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Light Emitting Diode (LED)

Subclass of:

362 - Illumination

362600000 - EDGE LIGHTED PANEL

362611000 - Light source

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DocumentTitleDate
20120163027LIGHT-EMITTING DEVICE - It is disclosed a light-emitting device (06-28-2012
20120170312BACKLIGHT MODULE - A backlight module includes a chassis, a printed circuit board, a light source, and a light guide plate. The chassis includes a bottom plate and a sidewall. The sidewall is disposed on at least one side of the bottom plate. The sidewall has a recess therein. At least one part of the printed circuit board is located in the recess. The light source is electrically connected to the printed circuit board. The light incident side of the light guide plate is opposite to the light emitting side of the light source.07-05-2012
20130044516LIGHT-GUILD-PLATE POSITIONING SHEET AND CORRESPONDING BACKLIGHT MODULE - The present invention provides a light-guide-plate (LGP) positioning sheet, which comprises: a fixing portion used to fix the LGP positioning sheet onto a fixing frame of a backlight module, a positioning portion used to abut against and position a light guide plate, and a connecting portion used to connect the fixing portion and the positioning portion. The present invention is further related to a backlight module. According to the LGP positioning sheet and the backlight module of the present invention, the LGP positioning sheet can efficiently ensure the complete alignment between a light emitting diode (LED) light source and a light input side surface of the light guide plate, so as to increase the light utilization rate of the light guide plate.02-21-2013
20080259642LIGHT EMITTING PANEL ASSEMBLIES - A light emitting panel, film or substrate assembly includes an optically conductive panel, film or substrate having at least one light input surface defined by at least one edge of a slot, cavity, opening or hole in which at least one LED light source having a greater width than height is positioned adjacent to the light input surface for directing light into the panel, film or substrate. The LED light source is configured to generate light having an output distribution defined by a greater width component than height component, the height component substantially corresponding to or less than the thickness of the light input surface.10-23-2008
20080259641Planar Illumination Device - Thinning of a planar illumination device using an LED is accelerated while higher and more uniform brightness is promoted.10-23-2008
20110194308BACKLIGHT MODULE AND LIGHT GUIDE PLATE THEREOF - A light guide plate for distributing light from a light source includes a light scattering surface, a light output surface opposite to the light scattering surface, and a number of side surfaces surrounding the light scattering surface and the light output surface. The light scattering surface includes a number of light scattering dots thereon. The light scattering dots are arranged into a number of rows arranged from a first side of the light scattering surface to an opposite side of the light scattering surface. A distance between every two adjacent rows of the light scattering dots gradually decreases from the first side to the second side, such that the light scattering dots at the second side of the light scattering surface have a greater density than the light scattering dots at the first side of the light scattering surface.08-11-2011
20110194307MULTI-DIRECTIONAL LIGHT INCIDENCE BACK LIGHT PLATE - A multi-directional light incidence back light plate includes a plurality of light bars of high light transmittance arranged to juxtapose each other to form a plate like or a grating like structure. Each light bar has opposite ends to which light sources of light-emitting diode (LED) are mounted so that light emitting from the light sources transmits through the light bar to form a uniform luminous cylinder, which serves as a primary light source for backlighting. A plurality of secondary light sources is arranged at sides of the primary light source to constitute a complete arrangement of a back light plate. The secondary light sources are composed of red light and green light that are combined with the light bar at a predetermined ratio so that various color lights are used to generate excellent color saturation (Ra).08-11-2011
20100073960Color pattern forming device - A color pattern forming device includes an image displaying module, a base and a set of light-emitting diode (LED) banks. The image displaying module includes three curved light guide plates, each engraved with a pattern block. The set of LED banks includes three LED banks, which project light into corresponding ones of the curved light guide plates. Light from the LED banks is mixed in the curved light guide plates and illuminates each of the pattern blocks, thereby turning the pattern blocks into a color image for display.03-25-2010
20130033900LIGHTING ASSEMBLY WITH CONFIGURABLE ILLUMINATION PROFILE - A lighting assembly includes an edge-lit light guide and a light redirecting member. Light extracting elements at the light guide extract light from the light guide as intermediate light. Light redirecting elements at the light redirecting film are configured to redirect the intermediate light received from the light guide to illuminate a target surface in accordance with a defined illumination profile.02-07-2013
20130039092DISPLAY APPARATUS AND LIGHT SOURCE PACKAGES EMPLOYED THEREIN - Display apparatuses are provided. The display apparatus includes a light source package generating light, a circuit board including a recessed region in which the light source package is disposed, a display panel displaying images, and a light guide plate directing the light generated from the light source package onto the display panel. The light guide plate includes a top surface, a bottom surface, and a plurality of sidewall surfaces. One of the sidewall surfaces of the light guide plate is a light incident surface on which the light from the light source package is irradiated. A distance between the light source package and the light incident surface is less than a width of the circuit board.02-14-2013
20130083559DETACHABLE LIGHT EMITTING DEVICE USING LIGHT EMITTING DIODE MODULES - The present invention relates to a detachable light emitting device using light emitting diode modules, and the detachable light emitting device comprises: a body casing, in which a front frame is mounted on the front thereof, and in which one or a plurality of detachable parts is or are installed on an upper side or a lower side of the body casing; radiation stands which are vertically erected on both left and right sides inside the body casing, and have front cutting grooves; light guide plate stands which are vertically inserted and coupled in the front cutting grooves of each of the radiation stands, respectively, and in which side mounting grooves are formed on each one side thereof; LED module mounting stands which are vertically inserted and coupled in the side mounting grooves of each of the light guide plate stands, respectively, and in which LED mounting grooves are vertically formed on each one side thereof; LED modules, in which printed circuit boards having a plurality of LEDs thereon are vertically inserted and coupled in the LED mounting grooves of each of the LED module mounting stands, respectively; light guide plates which show surface emission effects when the LEDs of the LED modules are adjacent thereto; and a front plate which is installed on the front side inside the body casing, wherein various characters or drawings, photos and the like are printed thereon.04-04-2013
20090154195WHITE LIGHT-EMITTING DEVICE, METHOD FOR MANUFACTURING SAME, BACKLIGHT USING SAME, AND LIQUID CRYSTAL DISPLAY - A white light-emitting device 06-18-2009
20090154194LIGHT EMITTING DIODES, DISPLAY SYSTEMS, AND METHODS OF MANUFACTURING LIGHT EMITTING DIODES - Light emitting diodes, display systems, and manufacturing methods are provided. In an embodiment, by way of example only, a light emitting diode (“LED”) include a die and a lens. The die is configured to emit wavelengths of light within a first predetermined spectral range. The lens is disposed on at least a portion of the die and is configured to filter the light emitted from the die such that a second predetermined spectral range is emitted from the LED.06-18-2009
20130027976METHOD AND SYSTEM FOR FLEXIBLE ILLUMINATED DEVICES HAVING EDGE LIGHTING UTILIZING LIGHT ACTIVE SHEET MATERIAL WITH INTEGRATED LIGHT EMITTING DIODE - An edge lighting device, and a method of providing edge lighting, including providing a lighting device with at least one light emitting diode (LED) chip embedded therein, wherein the LED chip(s) generates light photons. A path of the light photons within the lighting device that are emitted by the LED chip(s) from a top surface of the LED chip(s), are redirected from a first edge of the lighting device back through the lighting device to a second edge of the lighting device opposite to the first edge. The first edge and the second edge of the lighting device are perpendicular to the top surface of the LED chip(s). The photons which were redirected from the first edge of the lighting device then follow a path through the second edge of the device and are then output from the edge lighting device at the second edge of the device.01-31-2013
20120182763BACKLIGHT DEVICE, IMAGE DISPLAY DEVICE, AND METHOD OF ASSEMBLING BACKLIGHT DEVICE - A backlight device, where expense reduction is promoted by standardizing lengths of LED boards to one type. The backlight device includes: a light guide plate; and LED boards which are arranged facing end surfaces of side surface portions of the light guide plate and on which LEDs introducing light to the light guide plate are mounted, wherein lengths of long sides of the LED boards arranged on long sides facing end surfaces in a long side direction of the light guide plate and lengths of long sides of the LED boards arranged on short sides facing end surfaces in a short side direction of the light guide plate are all the same.07-19-2012
20090290375LOW POWER LED LIGHT ENGINE FOR LIGHT GUIDE - A light engine assembly that includes a LED having a standard preselected output. The light engine assembly accepts a light guide into the assembly. The assembly includes a two-sided PCB, one side of which is a heat sink to reduce heat build-up on the board and the other side of which is a circuit that provides power to a LED positioned on the board. The circuit includes a connector for connection to a power supply and circuitry that regulates the current supplied to the LED, which is housed on the PCB. The assembly further includes a housing for the PCB that carries the PCB while protecting it from damage. The housing permits ventilation for cooling the board. The housing also includes a light guide holder barrel, which has a substantially square cross-section and is open at one end. The light guide holder barrel accepts a light guide having a substantially circular cross-section, the light guide contacting the light guide holder barrel in four positions, the light guide transmitting light from the LED when the LED is energized. The light guide can be rotated in any position and inserted into the light guide holder barrel to allow light to be transmitted in any preselected direction by the user.11-26-2009
20130070480ENCAPSULATED LED ARRAY AND EDGE LIGHT GUIDE DEVICE COMPRISING SUCH AN LED ARRAY - This invention relates to structures for mounting LEDs, said structures being suitable for use in the manufacture of light guide devices. This invention also relates to light guide devices comprising said structures and methods of manufacture of the aforementioned. The light guide devices are suitable for use in a range of applications, particularly in connection with the backlighting of displays, for example, liquid crystal displays.03-21-2013
20080285305LIGHT-GUIDE PLATE, AREA LIGHT SOURCE APPARATUS AND IMAGE READING APPARATUS - An LED module is mounted on a case frame by fitting three pins formed at a concave portion of the case frame, into holes in the LED module corresponding to the pins. A light-guide plate is fitted into the case frame formed integrally with a bottom cover in a descending direction. The light-guide plate is fixed by a hook provided for the case frame. A space between the light-guide plate and the LED module is prevented by pressing the light-guide plate to the LED module with a pressing spring. Since the light-guide plate is fitted into the case frame in the descending direction and a light scattering sheet is adhered to an outer end surface of the case frame in the descending direction, it is not necessary to reverse the worked product and so the number and time of working processes can be saved.11-20-2008
20090303744PLANAR ILLUMINATION DEVICE - It is an object to provide a planar illumination device that is thin and light weight, and can emit uniform illumination light with little brightness unevenness and can be enlarged in size. It is to provide a planar illumination device comprising: a first light source and a second light source which are arranged at predetermined intervals; and a light guide plate which is arranged between the first light source and the second light source and has: a light exit surface; a first light incident surface which is opposed to the first light source and includes a side of the light exit surface; a second light incident surface which is opposed to the second light source and includes an opposite side to the side; and a rear surface which is formed to be opposed to the light exit surface, wherein a cross section on a plane perpendicular to the side, of the rear surface of the light guide plate has a curved line in which a distance from the light exit surface increases with a shift from the first light incident surface and the second light incident surface to a center, an inclined angle relative to the light exit surface reduces with a shift from the first light incident surface or the second light incident surface to the center, and the inclined angle relative to the light exit surface is zero degrees at the center.12-10-2009
20120218777Light Source Module, LED Receiver and Backlight Device - A light source module is disclosed. The light source module comprises a light emitting diode (LED) and an LED receiver. The LED is provided with a locating element on a side surface thereof. The LED receiver has a receiving portion, and a snap-fitting structure is disposed on a side surface of the receiving portion to mate with the locating element so that the LED can be located in the receiving portion of the LED receiver. An LED receiver and a backlight device are also disclosed. The light source module and the LED receiver of the present invention allow for optimization of the assembling process of the LED.08-30-2012
20090091946Light-guiding structure - A light-guiding structure includes a light-guiding plate, and an LED set matched with the light-guiding plate. The characteristic is that the light-guiding plate has a light-entering surface, and there are a plurality of ditches on the light-entering surface. A light-entering interface is formed between two adjacent ditches. The LED set corresponds to the light-entering surface of the light-guiding plate, and each of the LEDs of the LED set corresponds to one light-entering interface. By utilizing the light-entering interface and the ditches, the light is uniformly spread. The light is uniformly spread at the light-entering surface of the light-guiding plate so that the bright point does not occur. The light is uniformly emitted from the light-emitting surface and the illumination is enhanced.04-09-2009
20110013422LIGHT-EMITTING DEVICE - This application relates to a light-emitting device comprising a light channel having an upper surface, a lower surface opposite to the upper surface, an inner surface intersecting with each of the upper and lower surface by different angles, and an escape surface; and a light-emitting element having a bottom surface substantially parallel to the inner surface and emitting light traveling inside the light channel toward the escape surface. In an embodiment, the escape surface of the light-emitting device is an inclined plane with lens array thereon.01-20-2011
20110013421BACKLIGHT UNIT - The present invention relates to a backlight unit including a plurality of light guide plates, each discretely arranged with an interval, one or more light sources formed at a lateral surface of the plurality of light guide plates, and a filling material filled among the plurality of light guide plates and having a lower refractive index than that of the light guide plate, whereby each of the plurality of light guide plates can be split-driven to guarantee a uniform luminance at an interval among the plurality of light guide plates.01-20-2011
20110013420LIGHT EMITTING DEVICES AND APPLICATIONS THEREOF - In one aspect, the present invention provides light emitting devices, including light fixtures and luminaires. In some embodiments, a light emitting device comprises at least one light source, a lightguide operable to receive light from the at least one light source at a first location on the lightguide, at least one light extraction region optically coupled to the lightguide and a substantially non-scattering region along a portion of the lightguide.01-20-2011
20110013419LINEAR LIGHT GUIDING MODULE - A linear light guiding module is provided, which includes a linear light guiding body, a plurality of light emitting bodies, a plurality of heat sinks, and a plurality of fans. With the linear light guiding body, the light emitting bodies, and the heat sinks linearly arranged, or with the fans further integrated, the linear light guiding module of the present invention has a small size and an effective heat-dissipation effect. Since only one linear light guiding module needs to be disposed on one side of a light guide plate, the linear light guiding module can be used in large-sized liquid crystal display panels. Moreover, the number of the linear light guiding modules used is decreased while the requirements for high brightness and brightness uniformity can still be met, so the cost can be reduced.01-20-2011
20090290376DUAL LAYER LIGHT GUIDE STRUCTURE FOR LED BASED AMBILIGHT - A device for guiding and mixing light comprising of a light guide, at least a first set of light emitting elements in a first layer and at least a second set of light emitting elements in a second layer. Each of the light emitting elements being arranged to emit light of at least a first predetermined frequency. The second layer extending in a second geometrical plane different from a first geometrical plane of the first layer for producing a uniform light output from the aggregate of the constituting frequencies.11-26-2009
20090097271LED BACKLIGHT FOR DISPLAY SYSTEMS - An LED backlight method and apparatus for display systems provides a plurality of light emitting diodes having different white point colors. At least two of the light emitting diodes having different white point colors are selected to produce a light of a predetermined white point color when the light outputs of the selected light emitting diodes are mixed. The selected light emitting diodes are mounted on a display panel in a predetermined order at spatially distributed positions for mixing their light outputs to produce the light of the predetermined white point color to illuminate the display panel with the light of the predetermined white point color.04-16-2009
20130163285COOLING STRUCTURE FOR LIGHT EMITTING ELEMENTS FOR LIQUID CRYSTAL PANEL - A cooling structure for light emitting elements for a liquid crystal panel according to the present invention includes: a long-shaped substrate that is disposed so as to extend along an edge of a light guide plate provided on a rear surface of a liquid crystal panel, and in which a plurality of through-holes are formed; a plurality of light emitting elements that are disposed on a front surface of the substrate so as to face the light guide plate; and a chassis that is provided at a rear surface side of the substrate, and the through-holes are arranged at a higher density at a center portion of the substrate in a long direction than at end portions of the substrate in the long direction.06-27-2013
20130163284LATERAL PLANAR LIGHT EMITTING MODULE - A lateral planar light emitting module has a rectangular base plate and a plurality of light emitting diodes, and the light emitting diodes are designed with an array arrangement and installed on both opposite sides of the rectangular base plate respectively, so that a light exit surface opposite to a light projection area with a different intensity produced by the same light emitting diode has an optical path with a different distance after a light source emitted from the light emitting diodes is projected directly or reflected from a reflective micro-structure of the rectangular base plate, and a light emitting effect with a uniform light intensity distribution is achieved on the light exit surface to lower the manufacturing cost and improve the light emitting efficiency effectively.06-27-2013
20090231881Light-Emitting-Diode Backlight Device - A light-emitting-diode backlight device includes a light source substrate to which many light-emitting diodes are mounted, and a bottom chassis having the light source substrate mounted to a principal surface side of the bottom chassis. Illumination light from the light-emitting diodes is supplied to a display panel unit. A back-surface side of the bottom chassis is provided with a heat-dissipating unit making uniform a temperature distribution over the entire bottom chassis. The heat-dissipating unit includes a mounting plate, a heat pipe, and a radiating fin. The mounting plate is mounted to at least a high-temperature area of the bottom chassis. The heat pipe is disposed on both the high-temperature area and a low-temperature area, and is mounted to the mounting plate. The radiating fin is mounted to the low-temperature area, and connected to an end of the heat pipe.09-17-2009
20090231880BACKLIGHT UNIT WITH HEALTH-CARE FUNCTION - A backlight unit with a health-care function is disclosed. The backlight unit includes: a light source including a plurality of light-emitting diodes (LEDs), at least some of the plurality of LEDs radiating light having a wavelength beneficial to the human body; and an optical output unit outputting the light radiated from the light source to a liquid crystal panel. By using a monitor or mobile phone adopting the backlight unit, immunity is improved.09-17-2009
20090016076DISPLAY APPARATUS - The invention relates to a display apparatus with a display unit, having means for background lighting at the back of the display apparatus. According to the invention, the means for background lighting comprise two illumination units being provided at the right-hand and left-hand of the display apparatus, said illumination units being formed as substantially vertically positioned, longitudinal light guides comprising means for coupling out light, each of the light guides being provided on at least one of its ends with a light source. The light sources preferably comprise coloured LEDs.01-15-2009
20120230056LIGHT SOURCE MODULE AND ELECTRONIC DEVICE INCLUDING SAME - A light source module of the present invention includes: a plurality of light guide bodies (09-13-2012
20120113681LIGHTBAR MODULE AND BACKLIGHT DEVICE - The present invention discloses a lightbar module for use in a backlight device. The lightbar module includes a plurality of light source units. The light source unit includes at least one first light-emitting diode (LED) with a first color bin in a first wavelength range and at least one second LED with a second color bin in a second wavelength range. A color bin created by the mixed light of the light emitted by the first LED and the light emitted by the second LED after the mixed light passes through an optical glass element being the same as a color bin of the light emitted by an LED with a middle color bin in the first wavelength range after the light passes through the optical glass element, or being the same as a color bin of the light emitted by an LED with the middle color bin in the second wavelength range after the light passes through the optical glass element. The present invention can effectively increase a utilization rates of LEDs will and the cost will decrease effectively.05-10-2012
20120236598EDGE-ILLUMINATED FLAT PANEL AND LIGHT MODULE FOR SAME - An apparatus comprising a transparent or translucent panel and a light module comprising a plurality of light emitting diode (LED) devices. The light module is mechanically connected to an edge of the panel with the LED devices oriented to inject light into the edge of the panel.09-20-2012
20120236597LAMP AND FRAME MODULE THEREOF - A frame module includes a frame strip, a light emitting diode (LED) bar, and a fastener. The frame strip has a heat-dissipating portion, two elastic arms extended in one direction from the two edges of the heat-dissipating portion, and two pressing portions inwardly protruded form the two elastic arms. The heat-dissipating portion, the two elastic arms, and the two pressing portions define an accommodating trough. The LED bar has a printed circuit board (PCB) and a plurality of LEDs mounted on the PCB. The PCB is arranged in the accommodating trough of the frame strip and clamped between the heat-dissipating portion and the two pressing portions. The fastener is fixed on the two elastic arms. Thus, the heat generated form the LED bar is conducted by the LED bar directly contacting the frame strip. Besides, the instant disclosure also provides a lamp.09-20-2012
20100309684FLEXIBLE LIGHT-GUIDING MODULE WITH WATERPROOF FUNCTION - A flexible light-guiding module with waterproof function includes a flexible light-guiding film, a light-reflecting element and a light-generating element. The light-reflecting element is disposed on a bottom side of the flexible light-guiding film. The light-generating element is embedded into the flexible light-guiding film, and the light-generating element has a circuit substrate and at least one light-generating chip electrically disposed on the circuit substrate. Hence, the light-generating element is embedded into the flexible light-guiding film, so that the light-generating element is waterproof. In addition, the present invention can be attached to any plane or curved surface by using the flexible light-guiding film, so that the application field of the present invention is very extensive. Moreover, the flexible light-guiding film and the light-reflecting element are integrally formed in order to decrease manufacturing cost of the present invention.12-09-2010
20110149600LIGHT EMITTING DEVICE AND LIGHT UNIT USING THE SAME - Provided is a light emitting device and light unit using the same. The light emitting device comprises: a body including a horizontal surface; an insulating layer over at least a portion of the horizontal surface; an electrode over at least a portion of the insulating layer; a heat radiation member formed within the body and protruding from the horizontal surface, the heat radiation member comprising two or more surfaces that are inclined with respect to the horizontal surface; and two or more light emitting diodes, wherein each of the two or more light emitting diodes is mounted on a respective one of the two or more inclined surfaces, and wherein each of the two or more light emitting diodes is electrically connected to the electrode.06-23-2011
20110280045Light Emitting Diode Package and Display Apparatus Having the Same - A display apparatus includes a display panel, at least one light emitting diode package, and at least one light guide plate. The light emitting diode package includes a frame extending in a first direction, a plurality of branches branched from the frame in a second direction, and at least two light emitting diode chips inserted between and coupled with two adjacent branches.11-17-2011
20100008102BACK LIGHT MODULE - A back light module including a light-guiding plate and a point light source is provided. The light-guiding plate has a first light emitting surface and a light receiving surface adjacent to the first light emitting surface. The point light source has a package housing, and the package housing is tightly bonded with the light receiving surface of the light-guiding plate to form a welding interface. The above back light module achieves a desirable light-output efficiency.01-14-2010
20080298085Backlight module with uniform brightness - A backlight module with uniform brightness has a light guide panel (LGP), a diffusing reflector, at least one light source and a diffuser and a prism film. The diffusing reflector is placed on the LGP and has a substrate, a reflective film and multiple diffusing elements. The reflective film is formed on the substrate. Each one of the multiple diffusing elements has an adhesive bed and multiple balls. The multiple balls can be easily pasted or printed separately on the reflective film by using the adhesive bed and provide a uniform diffused light output form the LGP, so the backlight module has a lowered cost and is easily manufactured.12-04-2008
20110299299ANTENNA WITH LIGHTING FUNCTION FOR MOBILE COMMUNICATION SYSTEM - An antenna with a lighting function for a mobile communication system is provided. The antenna includes a radome for passing or spreading light through at least one specific part, and at least one light source for irradiating light to the radome.12-08-2011
20110134660Backlight Module Structure - A backlight module structure including a light guide plate and a plurality of light emitting diodes is provided. A plurality of first micro-structures and a plurality of second micro-structures are formed on the light incident surface of the light guide plate, and the first micro-structure and the second micro-structure are respectively disposed on two sides of the light incident surface and distributed along the light incident surface. The first micro-structure has a first receiving surface and the second micro-structure has a second receiving surface. The first and second receiving surfaces are faced oppositely and incline at least one inclined angle, such that the normal lines thereof are deflected to the imaginational center of the light guide plate, respectively. The light emitting diode has an emitting surface disposed correspondingly to the abovementioned the first receiving surface or the second receiving surface, and the lights of light emitting diodes enter into the light guide plate from the first receiving surfaces and the second receiving surfaces.06-09-2011
20110170314LIGHT EMITTING DIODE DEVICE AND DISPLAY DEVICE - A display device includes a housing, a panel unit disposed in the housing, a light emitting diode module disposed between the housing and the panel unit, and a heat conducting layer. The light emitting diode module includes a circuit board, and a plurality of light emitting diodes disposed on the circuit board. The circuit board includes a board body formed with a plurality of through holes, and a first conducting unit and a second conducting unit disposed on the board body. Each of the light emitting diodes has a bottom portion disposed in a respective one of the through holes, and is coupled between each conducting parts of the first and second conducting units. The heat conducting layer contacts the housing, contacting parts of the first and second conducting units, and the bottom portions of the light emitting diodes.07-14-2011
20110170315EDGE-LIGHTING TYPE BACKLIGHT MODULE - An edge-lighting type backlight module includes a light guide plate, a light source module, a back plate, a thermal conductive element, and a thermal insulating element. The light guide plate has a light-emitting surface, a bottom surface opposite the light-emitting surface, and at least one side surface connected between the light-emitting surface and the bottom surface. The light source module is disposed adjacent to the side surface, and the back plate is disposed adjacent to the bottom surface. The thermal conductive element has a base portion touching the light source module and an extension portion extending to one side of the back plate. The thermal insulating element is connected between the back plate and the thermal conductive element to reduce the heat conduction between the light source module and the back plate.07-14-2011
20090147534BACKLIGHT DEVICE AND DISPLAY DEVICE USING THE SAME - In a backlight device, among a plurality of light emitting diodes, light amounts thereof are measured in advance, and they are classified as any one of two or more light amount ranks according to the measurement results. In each of an upper region and a lower region of the light emitting diodes that are set on an upper side and lower side of a light guide plate, respectively, the light emitting diodes that are classified as having the same light amount rank are disposed.06-11-2009
20080304286PLANAR LIGHTING DEVICE - The absolute value of the light amount is increased by providing main light sources and auxiliary light sources on four sides of a light guide plate having a flat and rectangular light exit plane whereas the amounts of light emitted by LED chips of the main light sources and the auxiliary light sources are adjusted such that illuminance is highest near the central area of the light guide plate to obtain a high-in-the-middle, bell-curve illuminance distribution for light emitted by the light guide plate. A planar lighting device achieving a reduced thickness and weight and capable of emitting an increased amount of illumination light is provided.12-11-2008
20090273948BACKLIGHT ASYMMETRIC LIGHT INPUT WEDGE - A backlight is disclosed and includes a visible light transmissive body primarily propagating light by TIR with a light input surface and a light output surface and a light guide portion and a light input portion. The light guide portion has a light reflection surface and a light emission surface. The light input portion has opposing side surfaces that are not parallel. One of the opposing surfaces is co-planar with either the light emission surface or the light reflection surface. A light source is disposed adjacent to the light input surface. The light source emits light into the light input portion. A reflective layer is disposed adjacent to or on the opposing side surfaces.11-05-2009
20120033446BACKLIGHT MODULE - A backlight module comprises a light source circuit board having a plurality of light emitters disposed thereon; a securing component for supporting the light source circuit board rigidly, the securing component comprising a holding portion and an adhesive layer, the adhesive layer being utilized for assembling the light source circuit board and the securing component together to form an assembly; and a casing having a receiving slot, the assembly of the light source circuit board and the securing component being detachably disposed in the receiving slot, the holding portion being utilized for a user to grip when moving the securing component, and the holding portion having a locating hole for being fastened in the casing. The backlight module is capable of reducing the risk of scratching optical films and invasion by foreign objects in a replacement process of the light source circuit board, thereby increasing the lifespan of displays.02-09-2012
20110149604ENCAPSULANT PROFILE FOR LIGHT EMITTING DIODES - A light emitting packaged diode ids disclosed that includes a light emitting diode mounted in a reflective package in which the surfaces adjacent the diode are near Lambertian reflectors. An encapsulant in the package is bordered by the Lambertian reflectors and a phosphor in the encapsulant converts frequencies emitted by the LED chip and, together with the frequencies emitted by the LED chip, produces white light. A substantially flat meniscus formed by the encapsulant defines the emitting surface of the packaged diode.06-23-2011
20100085772SIDE-VIEW TYPE LIGHT EMITTING DEVICE AND OPTICAL DEVICE INCLUDING THE SAME - A side-view type light emitting device includes a package body, first and second lead frames, a light emitting diode chip, a resin covering portion, and at least one spacer portion. The package body has a first surface provided as a mounting surface, a second surface located opposite to the first surface, side surfaces located between the first surface and the second surface, and a concave portion formed at one of the side surfaces corresponding to the light emitting surface. The first and second lead frames are formed at the package body to be exposed to the bottom of the concave portion. The light emitting diode chip is mounted on the bottom of the concave portion to be electrically connected to each of the first and second lead frames. The resin covering portion is formed in the concave portion to enclose the light emitting diode chip. The spacer portion is formed at the side surface around the concave portion to maintain a constant distance from a light irradiation target without reducing the view angle of light emitted from the light emitting diode chip in the major-axis direction of the concave portion.04-08-2010
20120294041BACKLIGHT MODULE WITH THERMAL INSULATION - The present invention discloses a backlight module with thermal insulation. The backlight module mainly includes a frame assembly, a light-emitting source and thermal-insulating material. The frame assembly has a backlight cavity defined inside the frame assembly for placing an optical component. The light-emitting source is mounted at a side of the frame assembly. The thermal-insulating material is mounted on an internal surface of the frame assembly and insulates heat conducted to the internal surface of the frame assembly from entering the backlight cavity. Since the thermal-insulating material insulates the heat of the light-emitting source from entering the backlight cavity via the frame assembly, the present invention effectively lowers the temperature in the backlight cavity and reduces the aging speed of the optical component in the backlight cavity.11-22-2012
20120294040LIGHT-EMITTING DIODE HEAT-DISSIPATION STRUCTURE AND BACKLIGHT MODULE - The present invention provides a light-emitting diode (LED) heat-dissipation structure and a backlight module. A plurality of heat-dissipation lamp holders and at least one circuit board are disposed on an upper surface of a heat-dissipation bottom plate of the LED heat-dissipation structure. A recess is formed on a top surface of each of the heat-dissipation lamp holders, and at least one LED chip is disposed in each recess. Two lead wires are electrically connected between the LED chip and the circuit board. The heat of the LED chips is dissipated outside by the heat-dissipation lamp holders and the heat-dissipation bottom plate with being obstructed by the circuit board, thus improving the heat-dissipation efficiency and life time of the LED heat-dissipation structure.11-22-2012
20090086504Backlit erasable writing board - A backlit erasable writing board includes a light guide panel, a plurality of light emitting diodes positioned on at least one side surface of the light guide panel for providing light to the light guide panel, a reflecting plate at a back surface of the light guide panel for reflecting light toward a front surface of the light guide panel, and an impervious translucent film at the front surface of the light guide panel for use as an erasable writing surface.04-02-2009
20090262552ILLUMINATION DEVICE HAVING LIGHT GUIDE BODY - The illumination device is provided with a plurality of light guide bodies, the bottom face of which is given light reflection/scattering treatment, light sources individually connected to the end portions of a plurality of the light guide bodies to radiate the bottom faces of a plurality of the light guide bodies, and a control unit for changing the intensity of light made incident from the light sources to a plurality of the light guide bodies. A plurality of the light guide bodies are laminated so as to be at least partially overlapped at the respective light emitting regions of the light guide bodies, and the control unit allows the intensity of light made incident from the light sources to the light guide bodies to change with the lapse of time.10-22-2009
20120294042LED MODULE, BACKLIGHT UNIT INCLUDING THE LED MODULE, AND METHOD FOR MANUFACTURING THE LED MODULE - A light emitting diode (LED) module having a structure capable of effectively dissipating heat generated from an LED chip thereof, and a backlight unit including the same are disclosed. The LED module includes a base made of a metal material, an insulating layer provided on the base, a circuit layer provided on the insulating layer, an LED package provided on the circuit layer, and a bonding layer extending through the insulating layer and the circuit layer, to connect the LED package to the base.11-22-2012
20110199787LED PACKAGE AND A BACKLIGHT UNIT UNIT COMPRISING SAID LED PACKAGE - A light emitting diode (LED) package includes: a main body mounted on a substrate; a light emitting diode that is mounted in the main body and emits light; and a lead frame exposed to allow the main body to be selectively top-mounted or side-mounted. A backlight unit includes: a light guide plate configured to allow a light source to proceed to a liquid crystal panel; a light emitting diode (LED) mounted in a main body mounted on a substrate and generating a light source; and an LED package having a lead frame exposed to allow the main body to be selectively top-mounted or side-mounted, and being mounted on the light guide plate.08-18-2011
20110199788LIGHTING UNIT AND DISPLAY DEVICE HAVING THE SAME - Provided are a lighting unit and a display device including the same. The lighting unit includes a bottom cover having a plurality of sidewalls, light emitting modules each including a board disposed on the bottom cover and a plurality of light emitting diodes mounted on the board, and a light-transmitting resin layer covering the bottom cover and the board.08-18-2011
20100103699METHOD FOR MANUFACTURING LIGHT GUIDE PANEL, LIGHT GUIDE PANEL AND LIGHT SOURCE UNIT - The invention provides a light guide panel that improves luminance and reduces uneven luminance and color aberration. The light guide panel of the invention may be formed by irradiating laser light from a laser light source to the surface of an acrylic resin plate made of polymethylmethacrylate whose weight-average molecular weight is 10,000 to 100,000 or of a copolymer of 90 to 99.9% by weight of methyl methacrylate and 0.1 to 10% by weight of acrylic ester and whose weight-average molecular weight is 1,000 to 100,000 to form a light scattering pattern including a large number of concave portions each of which also includes a large number of micro-concavities and convexities therein.04-29-2010
20080232134Replaceable LED light source device used in backlight module - A replaceable LED light source device used in a backlight module comprises a LED bar disposed with a plurality of LEDs thereon used for providing illumination and an attaching plate used for disposing the detachable LED bar within a case locating the backlight module therein. Thereby, the previous LED light source device can be replaced by a new one when any LED on the LED bar stops working.09-25-2008
20080273350METHOD AND APPARATUS FOR BACKLIGHTING A DEVICE - A light guide panel is disclosed. The panel comprises a plate for dispersing light and at least one light-emitting diode (LED) coupled to the plate for providing the dispersed light. When the panel is coupled to a keyboard, the at least one LED is under a portion of the keyboard such that when the at least one LED is illuminated, the light from the LED does not distract a user. Accordingly, by strategically placing LEDs within the panel and providing the LEDs under appropriate portions of the keyboard, the device utilizing the keyboard can be smaller than when a conventional light guide panel is utilized. In addition, a further improvement in illumination is provided when a mechanism is provided which reflects light escaping from the edges of the panel back into the panel.11-06-2008
20080304285PLANAR LIGHTING DEVICE - A thinner and larger planar lighting device is achieved without increasing the number of light sources and holding the power consumption to a minimum. The LED chips on the light sources are arrayed at an array density varying according to the position of each of the light entrance planes of the light guide plate such that the illuminance distribution as measured on along the middle of the light guide plate in a direction parallel to longitudinal direction of the light entrance planes represents a high-in-the-middle, bell-curve distribution.12-11-2008
20080239751LED LAMP ASSEMBLY - An exemplary LED lamp includes a housing having an opening, a printed circuit board, at least one LED, a light reflective plate, a light reflective module and a lamp cover. The printed circuit board is positioned on a bottom of the housing. The LED is electrically connected with the printed circuit board. The light reflective plate defines at least one through hole, the LED passing through the corresponding through hole. The light reflective module includes a bottom reflective plate, at least two opposite reflective sidewalls, at least one light-shielding sheet extending at midsections from the opposing reflective sidewalls. The bottom reflective plate defines at least one first cutout, the at least one LED passing through the corresponding first cutout. The at least one light-shielding sheet defines a plurality of light holes and covers the corresponding LED. The LED lamp assembly has a uniform luminance.10-02-2008
20080205078ILLUMINATION TILES AND RELATED METHODS - Illumination assemblies, components, and related methods are described. A plurality of illumination tiles may be arranged in a two-dimensional array. In one embodiment, an illumination tile comprises at least one solid state light-emitting device and a light guide including an edge constructed and arranged to receive light from the solid state light-emitting device, and a top emission surface constructed and arranged to emit light received by the edge, wherein the solid state light-emitting device is disposed under the top emission surface. In another embodiment, an illumination tile comprises at least one solid state light-emitting device and a light guide including a light input portion including an edge constructed and arranged to receive light from the light-emitting device and a top surface, and a light extraction portion including a top emission surface constructed and arranged to emit light received by the edge, wherein the top surface of the light input portion is offset vertically from the top emission surface of the light extraction portion.08-28-2008
20110007521BACKLIGHT MODULE WITH A HEAT CONDUCTIVE BLOCK - A backlight module includes a bezel having at least one edge, a circuit board, one or more light emitting diodes connected to the circuit board for emitting light. Each light emitting diode has a light axis which is neither parallel nor vertical to the edge of the bezel. The backlight module utilizes a heat conductive block disposed between the bezel and the light emitting diode for transferring heat generated by the light emitting diode to the bezel.01-13-2011
20090097272BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE COMPRISING THE SAME - A backlight unit capable of reducing or effectively preventing a hot spot phenomenon includes a plurality of light sources generating lights, a light guide plate including a portion on which the lights generated from the light sources are incident and converting the lights incident on the portion into a surface-shaped lights and a light path converter converting a traveling direction of the lights incident on the portion of the light guide plate in an area where the lights emitted from the light sources diodes overlap each other.04-16-2009
20110205760Modular solid-state illumination system for vending machines - A modular light emitting diode, edge-lit illuminating arrangement or a modular organic light emitting diode illuminating arrangement providing illumination. More particularly, a modular light emitting diode, edge-lit illuminating arrangement or a modular organic light emitting diode illuminating arrangement providing illumination for vending machines. The illuminating arrangements are adapted for backlighting in vending machines.08-25-2011
20090185393LIGHT SOURCE MODULE, METHOD OF FABRICATING THE SAME, AND DISPLAY DEVICE HAVING THE LIGHT SOURCE MODULE - A light source module includes a mounting substrate including at least two exposed metal lines, a light-emitting diode (LED) including two electrodes disposed corresponding to the at least two exposed metal lines, and an anisotropic conductive film (ACF) provided on the mounting substrate, the ACF electrically connecting the at least two exposed metal lines to the two electrodes, wherein the ACF comprises an insulation body, and a plurality of conductive particles dispersed in the insulation body and insulated from each other, and an insulation of the conductive particles disposed between the two exposed metal lines and the two electrodes of the LED is prevented in at least a first direction.07-23-2009
20090168454BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - A backlight assembly includes a light source, a light-guide plate and an integrally formed frame. The light-guide plate guides light generated from the light source. The integrally formed frame includes a chassis and a mold frame integrally combined with the chassis as an indivisible unitary element through insert/outsert injection. The integrally formed frame receives the light source and the light-guide plate. A hemming part is formed on a sidewall of the chassis to increase strength of the integrally formed frame. Therefore, the number of elements is decreased, and strength against bending stress, impact resistance and heat dissipation are improved.07-02-2009
20080316767Liquid Crystal Display Using Different Light Radiation Angles Of Light Emitting Diodes - A liquid crystal display with low manufacturing cost, small dark area and compact exterior is provided by utilizing a plurality of differently radiating light emitting diodes at different angles. The liquid crystal of present invention includes a thin film transistor panel for displaying image, a backlight assembly for providing light to the thin film transistor panel with a plurality of light emitting diodes with different light radiation angles and a light guiding plate, and a frame unit for encompassing the thin film transistor panel and the backlight assembly. The light emitting diodes are placed either at the mid-point of light incident surface or the corner portion of the light guiding plate.12-25-2008
20090052206Display Device - A wall-mounted display device, which uses a light guiding panel for an LED light source includes display body 02-26-2009
20090052205LIGHT SOURCE MODULE OF SCANNING DEVICE - A light source module of scanning device includes a light guide rod and a light emitting diode. The light guide rod has a top surface, a bottom surface and two end portions. The top surface and the bottom surface are disposed opposite to each other. The light emitting diode is disposed adjacent to one of the end portions.02-26-2009
20130215646LIGHTING DEVICE HAVING A LIGHT GUIDE STRUCTURE - A lighting device includes a light guide structure. The light guide structure is arranged in tiers by a plurality of thin-film modules in which a portion of a first surface of each lower one of the plurality of light guide layers is covered by an upper one of the plurality of light guide layers to form an uncovered portion of the first surface. Each of the thin-film modules is configured to transmit light therein emitted from light emitting diodes (LEDs) to the uncovered portion and emit the light from the uncovered portion of the first surface thereof.08-22-2013
20090080216LIGHT GUIDE PLATE, SURFACE LIGHT SOURCE, AND LIQUID CRYSTAL DISPLAY DEVICE - A light guide plate has a light exit plane and a light entrance plane arranged on the periphery of the light exit plane. Light incident on the light entrance plane is outputted from the light exit plane. The light entrance plane includes a plurality of first end surfaces and a plurality of second end surfaces protruding in an external direction beyond the first end surfaces in plan view. The first end surfaces and the second end surfaces are alternately arranged along the periphery of the light exit plane.03-26-2009
20090086505PLANAR LIGHTING DEVICE - The planar lighting device includes, in addition to light sources, a light exit plane, a pair of light entrance planes formed on a pair of sides of the light exit plane, and a rear plane composed of a pair of inclined planes formed on a side opposite from the light exit plane such that the light guide plate grows thicker with an increasing distance from the light entrance planes toward the center. The light guide plate contains light scattering particles satisfying Npi>Np, where Npi is the particle density in a region of space within a given range of the light guide plate and Np the density in the other region of space. The planar lighting device with minimized brightness unevenness liable to develop near the light entrance planes when the light exit plane has great dimensions.04-02-2009
20120195070LED BACKLIGHT FOR DISPLAY SYSTEMS - An LED backlight method for display systems comprising receiving a plurality of light emitting diodes categorized into a plurality of bins, wherein each bin references a separate range of white point colors, and determining an optimal order for mounting the plurality of light emitting diodes at spatially distributed positions, the plurality of light emitting diodes comprising white point colors associated with separate bins, wherein the optimal order of the plurality of light emitting diodes produces a light of a desired white point color when the light outputs of the plurality of light emitting diodes are mixed.08-02-2012
20120195069CLAMP STRUCTURE FOR FIXING A LIGHT BAR ON A BASE AND BACKLIGHT MODULE HAVING CLAMP STRUCTURE - A clamp structure includes a first board portion, a second board portion connected to a lateral side of the first board portion in an elastically deformable manner, and a third board portion connected to the other lateral side of the first board portion opposite to the second board portion in an elastically deformable manner. The third board portion and the second board portion are disposed on the same side of the first board portion for clamping two surfaces of a base, and the first board portion contacts against a light bar for fixing the light bar on the other surface of the base.08-02-2012
20100149835BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - A backlight assembly includes a light guide plate guiding light, one or more light sources disposed on a side of the light guide plate and generating and providing the light to the light guide plate, a housing including a bottom portion and sidewall portions which each extend from the bottom portion, and accommodating the light guide plate and the light sources, and a light source cover. The light source cover includes a flat portion which contacts a top surface of the light guide plate, a height-adjusting portion which extends upward or downward from the flat portion to form a stepped shape and has the light sources installed thereunder, and fixing portions which extend from the height-adjusting portion and are fixed to a corresponding one of the sidewall portions. A centerline of the light sources is aligned with a centerline of the light guide plate.06-17-2010
20100149834LIGHT-EMITTING MODULE AND DISPLAY APPARATUS HAVING THE SAME - A light-emitting module includes a power transmitting substrate disposed adjacent to a light guide plate (LGP). The power transmitting substrate includes first and second substrate portions positioned substantially perpendicular to each other. The first substrate portion faces a light incident surface of the LGP. The second substrate portion extends from the first substrate portion and is substantially parallel with a counter surface of the LGP. First and second light sources respectively emit light from a top and a side thereof, and are respectively mounted on the first and second substrate portions. The first and second light sources respectively emit light to the light incident surface. A receiving container supports the light-emitting module and contains the LGP.06-17-2010
20090080217Encapsulant shapes for light emitting devices lacking rotational symmetry designed to enhance extraction of light with a particular linear polarization - The light-emitting device includes a light source and a transparent encapsulating material that is shaped to modify the polarization anisotropy of light emitted by the light source in at least one direction.03-26-2009
20100002465LIGHT EMITTING DIODE DEVICE AND BACKLIGHT MODULE USING THE SAME - A light emitting diode (LED) device comprises a substrate, an LED chip and an encapsulation body. The LED chip is mounted on the substrate, and the encapsulation body is overlaid on the LED chip and the substrate. The encapsulation body includes a light output surface. The light output surface can uniformly diffuse emission light over a wide angle in a first direction and concentrate the emission light in a second direction perpendicular to the first direction.01-07-2010
20100002464LIGHT EMITTING DIODE LAMP - An exemplary light emitting diode (LED) lamp includes a substrate, a plurality of LED chips mounted on the substrate, a lens, and a plurality of reflecting layers. The lens, above the LED chips, has a plurality of first protruding strips and a second protruding strip on a top thereof. Each of the first protruding strips includes a side surface angled with respect to the substrate and a vertical side surface perpendicular to the substrate. The second protruding strip includes two side surfaces, each angled with respect to the substrate. The reflecting layers are formed on the angled side surfaces of the first protruding strips and the second protruding strip, respectively.01-07-2010
20090046479Thin Backlight Using Low Profile Side Emitting LED - Low profile, side-emitting LEDs are described. The LEDs are used in very thin backlights for backlighting an LCD. In one embodiment, the backlight comprises a solid transparent waveguide with at least one opening in the waveguide containing an LED proximate to one edge. To smooth out a clover-shaped or batwing brightness profile inherently generated by a rectangular side-emitting LED within a smooth-sided rectangular opening in the waveguide, depending on the orientation of the LED, the sidewalls of the opening are made to have varying angles along the length of each sidewall to vary the refraction angle of light along the sidewall. Additionally, if a plurality of LEDs are used in the backlight, the orientations of the openings alternate to create a more uniform brightness profile in the waveguide.02-19-2009
20090316432BACKLIGHT DEVICE AND DISPLAY DEVICE USING THE SAME - A backlight device (12-24-2009
20100226146BACKLIGHT MODULE - A backlight module including a housing, a first reflector plate, a light guide plate, a second reflector plate and at least one light bar is provided. The first reflector plate is disposed on a bottom of the housing, and the light guide plate is disposed within the housing. The light guide plate includes a first optical surface, a second optical surface and a light emitting surface, and the first optical surface is adjacent to the first reflector plate. The second reflector plate is adjacent to the second optical surface of the light guide plate. The light bar is disposed between the first reflector plate and the light guide plate, and the light bar is opposite to the second optical surface.09-09-2010
20120243258LIGHT SOURCE ASSEMBLY AND BACKLIGHT ASSEMBLY HAVING THE SAME - A light source assembly includes a first substrate, a plurality of first light source units mounted on the first substrate and spaced apart from each other by a first distance, a second substrate and a plurality of second light source units mounted on the second substrate and spaced apart from each other by a second distance, each of the second light source units being disposed between the first light source units adjacent to each other.09-27-2012
20100142221Backlight Module and Light Emitting Diode Thereof - A light emitting diode contains a light emitting diode chip and a light directing structure disposed thereon. The light directing structure has a pair of connected hemi-ellipsoids and an interface interposed therebetween. Each hemi-ellipsoid comprises a bottom surface in a shape of an incomplete ellipse and an ellipsoidal surface connected to the bottom surface and the interface, wherein the largest vertical distance from the ellipsoidal surface to the bottom surface is longer than a height of the interface. The bottom surface has a major axis and a minor axis intersected to define a center, wherein the interface is connected to the minor axis.06-10-2010
20100165662BACKLIGHT UNIT - A backlight unit that while attaining cost reduction, realizes inhibiting of a light quantity decrease in the vicinity of an end portion of light guide plate and achieving of an enhancement of light utilization efficiency. Backlight unit (07-01-2010
20100165661Lighting device - A lighting device includes: a light guide plate having a light incident part in an end face and a light radiation part in a flat plate surface; a light source part opposed to the light incident part; a light shield member with which an area near the light incident part on the flat plate surface of the light guide plate is covered; and a switch part including a switch main body, a switch knob and a pressing member connected to the switch knob to press the switch main body by pressing down the switch knob. An end part of the switch knob opposed to a center of the flat plate surface of the light guide plate is located on the light shield member, and the end face of the light guide plate is located between a first virtual line passing the end part of the switch knob and perpendicular to the flat plate surface of the light guide plate and a second virtual line passing the center of the switch main body and perpendicular to the flat plate surface of the light guide plate.07-01-2010
20090116262LIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - Provided are a light unit and a display device having the same. The light unit comprises a light guide member, a board, and a light-emitting module. The light guide member outputs surface tight upward. The light-emitting module comprises the board where a light-emitting devices disposed and a metal plate on a rear surface of the board.05-07-2009
20080304284LIGHTING DEVICE - A lighting device may include light sources at one or two distal ends; wherein LEDs may be used as a light source. The lighting device may comprise a housing, at least one light-entering plane, at least one light-emitting plane and at least one guiding surface attached to the housing. A plurality of guiding blocks are configured and disposed on the guiding surface, and at least one distal end of the guiding surface is adjacent to the light source such that as light travels into and within the housing, light may be reflected and/or deflected by the guiding blocks and exits the housing via the light emitting plane. The illumination area opposite the light emitting plane may therefore receive substantially uniform lighting from the lighting device. The device may further comprise a reflector covering a portion of the guiding surface and a diffuser covering a portion of the light emitting plane.12-11-2008
20080278965Light emitting diode with light emitting chips at inner side surfaces thereof and backlight module using same - An exemplary light emitting diode includes a main body, a red light emitting chip, a green light emitting chip, and a blue light emitting chip. The main body includes two inner side surfaces opposite to each other and a inner bottom surface connected with the side surfaces. The side surfaces and the bottom surface cooperatively define an accommodating space. The red light emitting chip, the green light emitting chip and the blue light emitting chip are positioned at the bottom surface and the side surfaces of the accommodating space, respectively.11-13-2008
20100302805LED BACK-LIGHT UNIT AND DISPLAY DEVICE - A back-light unit including a plurality of substrates, a plurality of light sources respectively disposed on the plurality of substrates and configured to emit light, and N (N ≧2) light guide plates respectively disposed adjacent to the plurality of light sources, each light guide plate including a light incidence part having a light incidence surface for receiving light emitted in a first direction from a corresponding light source, and a light emission part for emitting the received incident light in a second direction different than the first direction. Further, at least one of the light guide plates includes light-extracting surface patterns disposed on the light emission part, and the light-extracting surface patterns comprise a first region of light-extracting surface patterns having a higher pattern-density than a second region of light-extracting surface patterns next to the first region.12-02-2010
20130141942Linear Light Source Module and Optical Touch Device with the Same - A linear light source module includes a mirror light guide component and a light emitting component. The mirror light guide component has a light emitting end, a surface having a mirror light reflecting layer formed thereon and a light incidence end. The light emitting component is configured for providing light to the light incidence end. The mirror light guide component is a light guide bar and is configured for converting the light from the first light emitting component into a linear light when the light emitting component is lighted, and the mirror light guide component is a mirror bar and is configured for providing a mirror function when the light emitting component is closed. An optical touch device with the linear light source module can avoid a blind zone and can be used as a dual-touch device or a multi-touch device.06-06-2013
20100321954LIGHT EMITTING DEVICE AND SURFACE LIGHT SOURCE DEVICE - The light emitting module 12-23-2010
20110110116Optical Arrangement and Production Method - An optical arrangement comprises a light guide and a light source for illuminating the light guide. The light guide comprises a transparent substrate layer and a transparent layer. The light guide has a light extraction surface on a surface of the substrate layer. The transparent layer is arranged on the surface of the substrate layer opposite to the light extraction surface, or the transparent layer is arranged on the light extraction surface of the substrate layer. The transparent layer contains means for improving light extraction. Further, a method for production a light guide is provided.05-12-2011
20090034290Backlight Module - A backlight module includes a light guide plate, at least one first lighting element, and at least one second lighting element. The light guide plate has a first side surface and a second side surface opposite the first side surface. The first lighting element is disposed on the first side surface and has at least three light emitting diodes of different colors. The second lighting element is disposed on the second side surface and has at least three light emitting diodes of different colors. The arrangement of the light emitting diodes of the first lighting element is different from the arrangement of the light emitting diodes of the second lighting element.02-05-2009
20110116285BACKLIGHT MODULE - A backlight module includes a light guide plate, an optical film set, and at least one light emitting element. The light guide plate has a first light-emitting surface, a bottom surface, and a first light incident surface. The optical film set on the first light-emitting surface includes at least one optical film having a second light incident surface, a second light-emitting surface, and a side surface. The side surface of the optical film and the first light incident surface of the light guide plate are at the same side, and at least one notch is disposed on the side surface. The light emitting element is adjacent to the first light incident surface and capable of emitting a light beam. The light beam is capable of entering the light guide plate through the first light incident surface and being transmitted to the optical film set via the first light-emitting surface.05-19-2011
20110075444BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - A side light type backlight includes a light source including a plurality of LEDs, and a light guide plate. One of the end surfaces of the light guide plate is a light incidence surface at which a plurality of R-LEDs, a plurality of G-LEDs and a plurality of B-LEDs are arranged. LEDs satisfy the relationship of: a distribution range of light emitted from G-LEDs03-31-2011
20090091947Surface light source structure of backlight module in a flat panel display - A surface light source structure having a circuit board, a first light emitting diode (LED) array, and a second LED array is provided. The first and second LED arrays are assembled on the circuit board. Each LED rows of the two LED arrays has a plurality of LED units connected in series. The LED rows of the first LED array are connected in parallel. The LED rows of the second LED array are connected in parallel. The LED rows of the second LED array are intersected between the LED rows of the first LED array. Positive-to-negative directions of the LED units of the first and second LED array are arranged in opposite directions.04-09-2009
20100027290BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - A side light type backlight includes a light source including a plurality of LEDs, and a light guide plate. One of the end surfaces of the light guide plate is a light incidence surface at which a plurality of R-LEDs, a plurality of G-LEDs and a plurality of B-LEDs are arranged. LEDs satisfy the relationship of: a distribution range of light emitted from G-LEDs02-04-2010
20110176330BACKLIGHT MODULE AND LIGHT GUIDE PLATE THEREOF - The present invention relates to a backlight module and light guide plate thereof. The light guide plate includes a first surface, a second surface and a side surface. The first surface has a plurality of first regions, a second region and a central line. The second region has a plurality of microstructures outside the first regions. The first regions and the second region are solid. The side surface is disposed between the first surface and the second surface. The first regions are adjacent to the side surface and extend toward the central line, and the first regions are intervally spaced. Whereby, the manufacture step of the light guide plate is simplified, and the manufacture cost of the light guide plate is lowered, and the distribution of the microstructures can reduce the hot spots in front a plurality of point light sources efficiently.07-21-2011
20110176331DISPLAY APPARATUS AND ASSEMBLING METHOD THEREOF - A display including a back cover, a front frame, a display panel, a light guide plate, at least one metal bracket and a light emitting element is provided. The front frame is secured to the back cover to form an accommodating space. The display panel and the light guide plate are disposed in the accommodating space. The light guide plate, which has at least one light incident surface and a light exit surface, is configured between the back cover and the display panel. The light exit surface faces toward the display panel. The metal bracket is disposed at side of the accommodating space. The metal bracket has a first part and a second part connected together. The first part is secured to at least the back cover or the front frame. The light emitting element is between the second part and the light incident surface.07-21-2011
20110103092LIGHT GUIDING PANEL ASSEMBLY FOR DISPLAY, SIGNBOARD, SURFACE ILLUMINATION OR THE LIKE - A light source receiver 05-05-2011
20110249470BACKLIGHT MODULE - A backlight module includes a light guide plate, a back plate, a heat-dissipating element, a light-emitting element, and at least one high-performance heat sink. The heat-dissipating element is disposed adjacent to a light incident surface of the light guide plate, and the heat-dissipating element has a bottom portion and a side portion forming an angle with the bottom portion. The light-emitting element is disposed on one side of the heat-dissipating element facing the light guide plate. The high-performance heat sink is disposed on the back plate, one end of the high-performance heat sink overlaps the heat-dissipating element, and another end of the high-performance heat sink extends away from the light-emitting element.10-13-2011
20110249469LIGHT SOURCE UNIT AND BACKLIGHT ASSEMBLY HAVING THE SAME - Provided are a light source unit including a plurality of light-emitting diode (LED) packages, which are directly electrically connected to each other, and a backlight assembly having the light source unit. The light source unit includes a first LED package and a second LED package which are adjacent to each other, wherein each of the first LED package and the second LED package includes an LED chip, a lead frame which supplies current to the LED chip, and a housing which fixes the LED chip and the lead frame in place, wherein an end of the lead frame of the first LED package directly contacts an end of the lead frame of the second LED package.10-13-2011
20110069510PLANAR LIGHT SOURCE DEVICE - A planar light source device (03-24-2011
20110069511LED BACKLIGHT FOR DISPLAY SYSTEMS - An LED backlight method for display systems comprising receiving a plurality of light emitting diodes categorized into a plurality of bins, wherein each bin references a separate range of white point colors, and determining an optimal order for mounting the plurality of light emitting diodes at spatially distributed positions, the plurality of light emitting diodes comprising white point colors associated with separate bins, wherein the optimal order of the plurality of light emitting diodes produces a light of a desired white point color when the light outputs of the plurality of light emitting diodes are mixed.03-24-2011
20110149602BACKLIGHT UNIT - Disclosed is a backlight unit. The backlight unit includes: 06-23-2011
20110149601LIGHT EMITTING DEVICE AND LIGHT UNIT USING THE SAME - Provided is a light emitting device and light unit using the same. The light emitting device comprises: a body that includes a horizontal surface; an electrode at least partially disposed in the body; two or more mounting parts protruding from the horizontal surface, wherein the two or more mounting parts are separated from each other by a space, and wherein each of the at least two or more mounting parts includes a surface that is inclined relative to the horizontal surface; and two or more light emitting diodes, each mounted on the inclined surface of a corresponding one of the two or more mounting parts and electrically connected to the electrode.06-23-2011
20090021960Luminescent decorating panel assembly and electronic device using the same - A luminescent decorating panel assembly and an electronic device using the luminescent decorating panel are disclosed. The luminescent decorating panel assembly includes a light guide plate, a light source and a reflecting element, and a microstructure is formed on a light exit plane of the light guide plate and applied in the electronic device, and the luminescent decorating panel assembly is disposed between an upper casing and a lower casing of the electronic device, and the microstructure corresponds to a transparent portion of the upper casing, such that when a user views the microstructure on the light guide plate through the transparent portion, a luminescent effect is produced on the electronic device.01-22-2009
20110211366BACKLIGHT MODULE - A backlight module includes a light guide plate having a light incident surface, a light source module, at least one catch member, and a cushion member. The light source module is disposed adjacent to the light incident surface and has at least one light-emitting element, wherein a light beam emitted by the light-emitting element is capable of entering the light guide plate through the light incident surface. The catch member engages with one end of the light source module, wherein the catch member has at least one extension part extending towards the light incident surface of the light guide plate, and the extension part has an end surface facing the light incident surface. The cushion member is disposed between the light guide plate and the light source module and is adjacent to the light incident surface of the light guide plate and the end surface of the catch member.09-01-2011
20080205079Spread illuminating apparatus and display device incorporating same - A spread illuminating apparatus is provided which includes: a light conductor plate having a light inlet surface and two major surfaces; a light source unit disposed at the light inlet surface of the light conductor plate; and a light diffuser pattern disposed at the lower major surfaces of the two major surfaces of the light conductor plate, wherein the light source unit includes first and second white light sources which have respective different light emitting principles, are arranged in the width direction of the light conductor plate with their respective ends set close to one another, and which can be turned on and off independently of each other.08-28-2008
20110164435SIDE VIEW SURFACE MOUNT LED - A light emitting diode is disclosed. The diode includes a package support and a semiconductor chip on the package support, with the chip including an active region that emits light in the visible portion of the spectrum. Metal contacts are in electrical communication with the chip on the package. A substantially transparent encapsulant covers the chip in the package. A phosphor in the encapsulant emits a frequency in the visible spectrum different from the frequency emitted by the chip and in response to the wavelength emitted by the chip. A display element is also disclosed that combines the light emitting diode and a planar display element. The combination includes a substantially planar display element with the light emitting diode positioned on the perimeter of the display element and with the package support directing the output of the diode substantially parallel to the plane of the display element.07-07-2011
20110164434LIGHT EMITTING ASSEMBLY - A light emitting assembly comprises first and second segmented light guide structures. The first segmented light guide structure comprises first light guide elements physically connected at one end to a first common backbone member. The second segmented light guide structure comprises second light guide elements physically connected at one end to a second common backbone member. The common backbone members define a fixed separation between adjacent ones of the light guide elements. LED light sources are positioned adjacent the common backbone members such that each of the light guide elements receives light from at least one of the LED light sources. The first segmented light guide structure and the second segmented light guide structure are arranged with the first light guide elements interdigitated with the second light guide elements, with sufficient separation between the first light guide elements and between the second light guide elements to provide air gap boundaries between adjacent first and second light guide elements to reduce the amount of light cross talk therebetween and to form a substantially contiguous light emitting surface.07-07-2011
20110164433OPTICAL ASSEMBLY, BACKLIGHT UNIT HAVING THE SAME, AND DISPLAY APPARATUS THEREOF - The backlight unit may include a plurality of optical assemblies, which each include a light emitting module having a substrate, a plurality of light emitting devices on a top surface of the substrate, and a connector provided on a bottom surface of the substrate and electrically connected to a power supply unit. The optical assembly may also include a light guide plate including a first part through which the light is received and a second part to output the light, which is laterally received from the first part, through a top surface thereof. A first side cover may be provided over the light emitting module and the first part of the light guide plate. A second side cover may be formed under the light emitting module and the light guide plate, the second side cover having a plurality of connector holes. The connector may be provided in one of the connector holes.07-07-2011
20100214804BIFACIAL LIGHT EMITTING BACKLIGHT - A light guide plate has a main-side microprism array sheet (main-side MPA sheet) 08-26-2010
20120147625LIGHT SOURCE MODULE AND BACKLIGHT MODULE - A light source module and a backlight module therewith are disclosed. The light source include includes a circuit board and a light-emitting diode disposed on the circuit board. The light-emitting diode includes a package unit and a conductive support. The package unit includes an insulation housing, a heat-dissipating support embedded in the insulation housing, and a light-emitting diode chip disposed on the heat-dissipating support and encapsulated by the insulation housing. The light-emitting diode chip includes two electrodes, which are isolated form the heat-dissipating support. The insulation housing thereon defines a light-out surface. The conductive support is disposed on an exterior side surface of the insulation housing and connected to the heat-dissipating support to protrude out the light-out surface. Thereby, the protruding conductive support is also isolated from the two electrodes so as to perform ESD protection for avoiding unexpected damage to the light-emitting diode and extending service life thereof.06-14-2012
20100195350Modular LED light device - A modular lighting device may include A frame housing, a light emitting panel cooperating with the frame housing to emit light, an edge lighting device to be positioned along an edge of the light emitting panel to provide light to the light emitting panel, a film member including indicia to be displayed, and a modular member to cooperate with the frame housing and the film member. The modular member may be detachably connected to the frame housing. The edge lighting device may include an LED, and the edge lighting device may include an array of LEDs. The light emitting panel may include a depression to transmit the emitted light, and the module member may include a fastener to fasten to the frame housing. The fastener may be L-shaped, and the module member may include a top extending portion and a bottom extending portion to cooperate with the top extending portion to form a substantially continuous surface.08-05-2010
20110149603DEVICE FOR COLLIMATING, MAKING UNIFORM AND EXTRACTING LIGHT FOR LIGHTING A DISPLAY DEVICE - Lighting system for a data display device (06-23-2011
20100020568PLANAR LIGHTING DEVICE - It is an object to provide a planar lighting device that is a thin and light in weight, that emits light without luminous unevenness and that is capable of achieving increased dimensions.01-28-2010
20110216556BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A display apparatus includes a light guide plate guiding a light, a light source arranged in a side portion of the light guide plate to generate the light, a display panel receiving the light from the light guide plate to display an image, a frame including a sidewall and a support part extended from the sidewall to support the display panel, and an optical member arranged between the light guide plate and the display panel to control a path of the light exiting from the light guide plate. The optical member includes a first side portion and a second side portion, a side surface of the first side portion faces a side surface of the support part, and the second side portion is positioned between the support part and the light guide plate.09-08-2011
20120307523LIGHT SOURCE DEVICE AND DISPLAY DEVICE - Provided is a light source device capable of minimizing or preventing a decrease in amount of light emitted from portions in the vicinity of a locking member of a light guide plate, and capable of making intensity distribution in a plane of light emitted from the light guide plate uniform. The light source device includes a light guide plate 12-06-2012
20100214803Led light source and image reading apparatus - The present invention provides an LED light source optimal as a light source of image reading apparatuses, and the light source is used in an image reading apparatus comprised of a platen for mounting a read original, a light source for lighting the read original mounted on the platen, a lens means for condensing reflected light from a main scanning line of the read original lighted by the LED light source, and a light-receiving means for receiving the reflected light from the main scanning line of the read original condensed by the lens means, and has an LED that is a light-emitting source, and a light guide for reflecting the light of the LED by an inner surface thereof to diffuse in the shape of the main scanning line, where the LED is disposed in an end portion in the main scanning line direction of the light guide, the light guide has an inner surface opposed to a light-emitting surface of the LED forming a curved reflecting surface for reflecting in the main scanning line direction, the LED is disposed out of a critical angle region at the end in the main scanning line direction of the curved reflecting surface, the light guide has a plurality of reflecting surface bodies spaced at predetermined pitches in the main scanning line direction with the bodies surface-opposed to the LED side inside an inner surface reflection optical path of the light guide to reflect the light of the LED toward the outside of the light guide along the main scanning line, and a length in the perpendicular direction to the main scanning line direction of each of the reflecting surface bodies is adjusted corresponding to a light amount to reflect.08-26-2010
20120147626BACKLIGHT MODULE - The backlight module includes a holder having a holder sidewall, a light source disposed on the holder, a light guide plate, and a frame. An end of the light guide plated is fixed on the holder. The frame has a frame sidewall. The holder is assembled on the frame, wherein a gap is formed between the holder sidewall and the frame sidewall, and the gap is utilized as a buffer space of the deformation of the light guide plate.06-14-2012
20120099341BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - In a backlight assembly and a display apparatus having the backlight assembly, the backlight assembly includes a back cover configured to accommodate and retain a light source mounted on a circuit substrate into a receiving cavity of the back cover. Heat generated by the light source may be effectively transmitted to the back cover, thereby preventing temperature in the backlight assembly from increasing.04-26-2012
20120044715BACKLIGHT MODULE AND DISPLAY DEVICE HAVING THE SAME - A backlight module includes a light guide plate, at least one first light source, and at least one second light source. A first light incident surface and a second light incident surface are alternately arranged on a light incident side of the light guide plate and form an angle with each other. The first light source is disposed adjacent to the first light incident surface, and a light beam emitted by the first light source is guided towards a left half of the light guide plate. The second light source is disposed adjacent to the second light incident surface, and a light beam emitted by the second light source is guided towards a right half of the light guide plate. The first light source and the second light source are alternately turned on and off in succession.02-23-2012
20110063874PROJECTION LENS FOR LIGHTING EQUIPMENT AND LIGHTING EQUIPMENT USING PROJECTION LENS FOR LIGHTING EQUIPMENT - A projection lens for lighting equipment of an aspect of the present invention is characterized by formed in a shape where N of sector-shaped lens parts each of which corresponds to a central angle 2α degrees (α=180/N, N is an integer more than or equal to 3) and is bilaterally symmetric in a rotationally asymmetric elliptical collimator lens are circumferentially disposed. The projection lens for lighting equipment of such aspect is formed in the shape where N of the sector-shaped lens parts each of which corresponds to a central angle 2α degrees (α=180/N, N is an integer more than or equal to 3) and is bilaterally symmetric in the rotationally asymmetric elliptical collimator lens are circumferentially disposed. Accordingly, the projection lens for lighting equipment with a novel design which has a shape of a N-sided polygon (e.g. quadrilateral) in planar view or a shape similar to the N-sided polygon and has common edges (N edges) formed on a surface without impairment in function as a collimator lens can be configured.03-17-2011
20120057369LIGHT EMITTING STRUCTURE FOR BACKLIGHTED SIGN - There is provided a light emitting assembly for a backlighted sign. The assembly may include first and second light emitting units configured to emit light in corresponding first and second directions into edges of first and second adjacent light guide plates. The assembly may also include a third light emitting unit configured to emit light in a direction substantially transverse to the first and second directions into a backlightable sign panel. Light emitting units are slidably insertable and slidably removable.03-08-2012
20120014134BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The display apparatus comprises the backlight module and a display panel. The backlight module comprises a light guide plate and a light source. The light guide plate has an out light surface. The light source is positioned at a side of the light guide plate, wherein the light source comprises a light source out light surface, and a predetermined angle exists between the light source out light surface and the out light surface of the light guide plate. The present invention is capable of promoting the light leakage issue.01-19-2012
20120026753ILLUMINATION DEVICE AND DISPLAY APPARATUS USING THE SAME - An illumination device for guiding light rays from a light-emitting diode (LED) module toward a light guide plate to thereby perform planar illumination is disclosed. The illumination device includes a printed circuit board with a plurality of LED elements attached thereto. The circuit board has two or more positioning bosses which are attached in the same process as that of the LEDs. While letting the positioning bosses be tightly coupled with corresponding holes provided in the light guide plate, the circuit board and the light guide plate are adhered and fixed together, thereby accurately retaining the positional relationship between the LEDs and the light guide plate.02-02-2012
20120026752BACKLIGHT MODULE AND ELECTRONIC DEVICE USING THE SAME - A backlight module includes a support frame, two light sources, and a light guide film. The support frame includes a support portion and a fixing portion connected to an edge of the support portion, and the support frame defines at least one receiving groove. Each light source includes a light output surface and is received in the support frame. The light guide film includes two light input surfaces at the opposite ends thereof and two light guide portions connected with the light input surfaces. The light input surfaces of the light guide film face the light output surfaces of the light sources.02-02-2012
20120127757ACRYLIC FILM FOR PUNCHING, SURFACE LIGHT-SOURCE DEVICE AND PROCESS FOR MANUFACTURING OPTICAL MEMBER - Provided is an acrylic film for punching excellent in transparency and free from breakage or whitening even if it is punched. The present invention is an acrylic film for punching containing a polymer (C) containing a di(meth)acrylate (A) unit represented by general formula (1) below and a mono(meth)acrylate (B) unit:05-24-2012
20110090713FLEXIBLE BACKLIGHT MODULE - A flexible backlight module includes a light source module and a flexible light guide panel, wherein the flexible light guide panel has a light incident surface, a light reflecting surface, and a light outgoing surface. The light incident surface of the flexible light guide panel is directly connected and thereby optically coupled to the light source module so that the light emitted by the light source module can be completely coupled to the flexible light guide panel. Consequently, the loss of light is reduced while the luminous efficiency of light is increased. Light entering the flexible light guide panel is reflected by the light reflecting surface to the light outgoing surface and then projected outward. The flexible light guide panel can be curved as needed thanks to its flexibility and thus features a wide application range.04-21-2011
20110090712PORTABLE COMPUTER DISPLAY HOUSING - A display housing for a portable computing device that utilizes a plastic cover bonded to an internal metal frame is described. To account for thermal cycling issues and in particular to prevent bond slippage, multiple types of adhesives are employed to join the metal frame and the plastic cover. In particular, a very high bond (VHB) adhesive material is used in certain areas to bond the metal inner frame to the plastic cover and a liquid adhesive is used in other areas. The plastic cover can be translucent to light. A method of coating the plastic cover to block light, such as from a backlight used for the display, is described.04-21-2011
20100172153ILLUMINATION SYSTEM FOR LUMINAIRES AND DISPLAY DEVICES - The invention relates to an illumination system (07-08-2010
20110103093LIGHT SOURCE MODULE - A light source module includes a light bar and a stiffened bar. The light bar includes a flexible circuit strip and a plurality of light sources. The light sources are disposed on the flexible circuit strip along an extension direction of the flexible circuit strip. The stiffened bar overlaps the flexible circuit strip and is disposed on a face of the flexible circuit strip having the light sources. The stiffened bar surrounds at least one side of each light source and exposes the light sources. The rigidity of the stiffened bar is larger than the flexible circuit strip.05-05-2011
20130016527LIGHT GUIDE FOR BACKLIGHT - The present invention provides a light guide for an electronically addressable display (such as an LCD) that mixes optical signals from a plurality of emitters, and mixes these signals to produce, for positions on the display, position-unique signals. A stylus or other receiving device may determine its position relative to the electronically addressable display by analyzing the position-unique signals.01-17-2013
20130016528ENHANCED COLOR GAMUT LED BACKLIGHTING UNIT - A method for operating a backlighting unit adapted for illuminating a printed graphic with light emitted from an illumination surface of a light guide. The method includes the step of arranging a plurality of LEDs so that light emitted therefrom impinges upon an input surface of the light guide. The method specifically requires that the LEDs emit light that is roughly equivalent to solar illumination of 6500K CCT yet enhanced in the blue and the red portions of the spectrum thereby producing light in the range of 7500K CCT to 9000K CCT.01-17-2013
20100290251Illumination apparatus - An illumination apparatus includes a light guide plate, a first light source module, and a second light source module. The light guide plate has a first incident surface and a second incident surface opposite to the first incident surface. The first and the second light source modules provide light beams into the first and the second incident surfaces, respectively. The first light source module includes at least one first white light emitting diode (LED) and at least one second white LED neighboring with each other. The first and the second white LEDs have different color temperatures. The second light source module includes at least one third white LED and at least one forth white LED neighboring with each other. The third and the forth white LEDs have different color temperatures. The third and the forth white LEDs are located corresponding to the second and the first white LEDs, respectively.11-18-2010
20120127756LIGHTING MODULE - A lighting module may be provided that includes a first and a second light sources, both of which are disposed opposite to each other; a first case including the first light source; a second case including the second light source; and an optical plate of which one side is connected to the first case and the other side is connected to the second case and on which light from the first and the second light sources is incident, wherein at least the first and/or the second light sources includes a light emitting diode (LED).05-24-2012
20120163026LIGHT-EMITTING DIODE PACKAGE, LIGHT SOURCE MODULE HAVING THE SAME AND BACKLIGHT ASSEMBLY HAVING THE SAME - A light-emitting diode (“LED”) package includes a light-emitting chip, a case, first and second lead frames and a dummy lead frame. The light-emitting chip generates light. The case includes a bottom portion and a plurality of sidewalls, wherein the light-emitting chip is positioned in the case. The first and second lead frames are spaced apart from each other and are electrically connected to the light-emitting chip. The dummy lead frame is spaced apart from the light-emitting chip and the first and second lead frames, and is electrically isolated from the light-emitting chip and the first and second lead frames. The dummy lead frame is used as a wiring for connecting the LED package to another LED package, so that the number of signal wirings or a length of a signal wiring may be decreased, and a manufacturing cost of the LED package may be reduced.06-28-2012
20120163025LIGHT GUIDE APPARATUS FOR A BACKLIGHT MODULE AND FABRICATING METHOD THEREOF - A light guide apparatus for a backlight module is provided. The light guide apparatus comprises a light guide plate and a light source module. The light guide plate is configured with a circuit contact. The light source module is integrated with the light guide plate in contact with the circuit contact. Besides, a method of fabricating a light guide apparatus for a backlight module is also provided with simpler process and lower fabrication cost.06-28-2012
20100208495LIGHT SOURCE AND DISPLAY DEVICE HAVING THE SAME - A display device including a light unit is provided. The light unit may include a light guide plate, a light emitting module, and a color coordinate conversion sheet. The light emitting module may include a plurality of light emitting diodes configured to emit light to a side of the light guide plate. The color coordinate conversion sheet may be positioned on the light guide plate to convert a color coordinate distribution of the light emitted by the light emitting module to a color coordinate distribution that falls within a target distribution range.08-19-2010
20100208494Light Guiding Device and Thin Display Comprising the Same - A light guiding device and a thin display comprising the same are disclosed. The thin display comprises a light guiding device, a panel, and a frame. The frame comprises two arc-shaped frames opposite each other and two side frames opposite each other. The light guiding device comprises a light guiding plate and a light source device. The light guiding plate comprises an upper curve surface, a lower curve surface, a first arc-shaped plane, and a second arc-shaped plane. Two edges of each of the upper and the lower curve surfaces are connected with the first arc-shaped plane and the second arc-shaped plane respectively. The light source device is disposed between one of the first and the second arc-shaped planes and one of two arc-shaped frames. The panel is disposed in the frame and above the light guiding device.08-19-2010
20110182085LED MODULE AND BACKLIGHT UNIT HAVING THE SAME - There is provided an LED module, including a bar type circuit substrate formed with at least one groove so as to have a reflecting cup; a plurality of LED chips disposed in the groove of the circuit substrate and linearly arranged in a longitudinal direction of the circuit substrate; and a phosphor film spaced apart from the LED chips and disposed on the circuit substrate to cover the entire groove.07-28-2011
20120170313LIGHT GUIDE APPARATUS FOR A BACKLIGHT MODULE - A light guide apparatus for a backlight module is provided. The light guide apparatus comprises a light guide plate and an electrical component. The light guide plate is configured with a circuit thereon. The electrical component is attached to the light guide plate and electrically coupled to the circuit. The light guide apparatus integrates a light guide panel, a circuit and an electrical component together for obtaining simpler structure and lower cost.07-05-2012
20120075887LIGHT REDIRECTING FILMS AND FILM SYSTEMS - A light emitting assembly comprises a light source and a light emitting panel member having a panel surface and an input edge for receiving light from the light source. On or in the panel surface is a pattern of individual light extracting deformities. Each of the deformities has a well defined shape and a length and width substantially smaller than the length and width of the panel surface. At least some of the deformities have only two surfaces, each having opposite peripheral edge portions that intersect each other and intersect the panel surface. One of the surfaces of the deformities is substantially perpendicular to the panel surface and is curved in a transverse direction. The other surface of the deformities is a sloping surface.03-29-2012
20130182457LIGHTING ASSEMBLY WITH STATIC AUTOSTEREOSCOPIC IMAGE OUTPUT - A lighting assembly includes a light guide in which light propagates by total internal reflection between opposed major surfaces. The light guide receives light generated by two light sources at opposed light input edges of the light guide. The light guide includes light extracting elements that respectively extract light to form a left eye image at a first region and a right eye image at a second region. The left eye and right eye images, when viewed by a viewer, form a static autostereoscopic image.07-18-2013
20120224393LED BACKLIGHT MODULE - Disclosed herein is an LED backlight module, which includes a metallic plate, a metallic sidewall, a connecting portion, a light guide and an LED ribbon. The metallic sidewall is substantially perpendicular to the metallic plate and located beside a side edge of the metallic plate. The metallic side-plate has a lower edge extending downwards to a position beneath a lower surface of the metallic plate. The connecting portion extends in a direction towards the side edge of the metallic plate from the lower edge of the metallic sidewall, and is further connected to the side edge of the metallic plate. The light guide is disposed above the metallic plate, and the LED ribbon for emitting a light into the light guide is disposed on the metallic sidewall.09-06-2012
20120257415PLANAR WHITE ILLUMINATION APPARATUS - In one aspect, an illumination structure includes a substantially non-fiber waveguide, which itself includes a discrete in-coupling region for receiving light, a discrete propagation region for propagating light, and a discrete out-coupling region for emitting light.10-11-2012
20120081924LIGHT EMITTING PANEL ASSEMBLIES - An optical assembly comprises light sources and a light emitting panel member having an input edge to which each of the light sources is optically coupled at a different location along the input edge. Different sets of individual optical deformities on or in at least one of the sides of the panel member each have at least one surface that is shaped or oriented to extract light propagating in the same direction through the panel member in different directions for viewing from different angles through one of the sides of the panel member.04-05-2012
20120081923LIGHT EMITTING DIODE LAMP - A light emitting diode lamp including a back plate, at least one cover, a light guide plate, at least one magnetic element, and a light emitting diode light source is provided. The cover is fixed to the back plate. The light guide plate is disposed on the back plate, and a part of the light guide plate is sandwiched between the back plate and the cover. The magnetic element is disposed on the back plate and sandwiched between the back plate and the cover. The light emitting diode light source is disposed at a side of the light guide plate.04-05-2012
20090016077Light Guiding Member and Linear Light Source Apparatus Using Same - A light guide member of the present invention is made of a light transmitting material. The light guide includes a light emitting surface 01-15-2009
20100238687SEMICONDUCTOR LIGHT EMITTING DEVICE - A semiconductor light emitting device of what is called a side view type can achieve directional characteristics having substantial symmetry with respect to an optical axis. The semiconductor light emitting device can emit light in a direction substantially parallel to a surface on which the semiconductor light emitting device is to be held. The semiconductor light emitting device can include a semiconductor light emitting element emitting light in a light emitting direction parallel to the surface on which the semiconductor light emitting element is to be held, a base substrate having a main surface on which the semiconductor light emitting device is held, the main surface being parallel to the surface on which the semiconductor light emitting device is to be held. The base substrate can have a cutoff portion defined forward of the semiconductor light emitting element in the light emitting direction and in a position in which light emitted from the semiconductor light emitting element crosses the main surface. A light-transmitting first sealing resin can be provided on the base substrate, to bury the semiconductor light emitting element while filling the cutoff portion. The light emitted from the semiconductor light emitting element can travel through the cutoff portion.09-23-2010
20120087150BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - A side light type backlight includes a light source including a plurality of LEDs, and a light guide plate. One of the end surfaces of the light guide plate is a light incidence surface at which a plurality of R-LEDs, a plurality of G-LEDs and a plurality of B-LEDs are arranged. LEDs satisfy the relationship of: a distribution range of light emitted from G-LEDs04-12-2012
20120087149ULTRA-THIN LIGHT GUIDE FOR CLUSTER GAUGE ILLUMINATION OVER DISPLAY STRUCTURES - An ultra-thin light guide assembly includes a light guide having a maximum thickness of one millimeter, a light source disposed adjacent a portion of the light guide to emit light rays into the light guide, a reflective material disposed on at least a portion of a first side of the light guide to maximize an internal reflection of the light rays in the light guide, a light extraction feature integrated with the light guide to direct light rays through a second side of the light guide, and a flexible circuit disposed adjacent at least a portion of the light guide, the light source in electrical communication with the flexible circuit to selective energize the light source.04-12-2012
20110292683BACKLIGHT UNIT - There is provided a backlight unit. The backlight unit includes a light guiding plate, a light source module including a substrate provided with a circuit wiring and a plurality of light emitting diode (LED) blocks each including one or more LED mounted on the substrate to be positioned vertically with respect to the substrate, the one or more LED being disposed to face a side surface of the light guiding plate, a bottom chassis including a base and a sidewall upwardly extending from a circumference of the base, and accommodating the light source module and the light guiding plate in such a manner that the one or more LED is disposed to be adjacent to the sidewall, and a driving unit controlling a current signal applied to each of the plurality of LED blocks to thereby control brightness for each LED block.12-01-2011
20120092892LED LIGHT BOARD - Disclosed is a light emitting diode (LED) light board. The LED light board includes: a light guide panel (LGP) shaped as a rectangle; an LED module disposed at a lateral side of the LGP and including a plurality of LEDs; a first frame having the LED module embedded therein and coupled to one side of an edge of the LGP; a second frame coupled to the other side of the edge of the LGP perpendicular to both ends of the first frame; and a corner finishing end on which the first frame and the second frame are connected to each other and corners of the first frame and the second frame are finished. The first and second frames include a sidewall formed at one edge of the LGP, an upper wing bent on an end of a sidewall, and a lower wing bent on the other end of the sidewall.04-19-2012
20110157915PDT Magnifier Camera Illumination - A device that enlarges text and images to enable a low vision person to see the text and images includes a hollow structure including a top housing and a bottom housing that are connected to one another. A camera aperture is formed in the bottom housing and a transparent light guide lens is disposed in closing relation to the camera aperture so that all light entering the camera aperture must first pass through the light guide lens. A cavity formed in the light guide lens is bounded by walls that are positioned at a critical angle. Light-emitting diodes are positioned at critical locations about the periphery of the light guide lens to illuminate the object being viewed.06-30-2011
20130021822Optical Waveguide Plate Comprising Phosphorus-Containing Structure Elements - The invention relates to an optical waveguide plate having a first flat side (01-24-2013
20130021821LIGHT GUIDE PLATE AND BACKLIGHT ASSEMBLY INCLUDING THE SAME - A backlight assembly includes a first light source unit including n light emitting members; and a light guide plate including a first side adjacent to the first light source unit, and a first groove adjacent to a first end of the first side.01-24-2013
20080247191Thin and flexible light guide element - The subject invention provides a thin and flexible light guide element, which comprises a first optical layer composed of a flexible transparent material; a second optical layer formed on the lower side of the first optical layer and having a light-adjusting structure to change the light path; and a third optical layer formed on the upper side of the first optical layer and having a convex-concave structure to homogenize the light emitted from the first optical layer, wherein the first and second optical layers have different refractive indices.10-09-2008
20080239752Light emitting diode having electrodes with branches and backlight module using same - An exemplary light emitting diode (10-02-2008
20130141941Large Area Light Source - A large area light source includes a narrow space of several millimeters long arranged between adjacent ends of circuit boards of LED bars that are arranged in series in their longitudinal direction, and one end or both ends of a connecting pin is attached movable in its longitudinal direction to a coupling terminal arranged on an end of the circuit board of the LED bar, the LED bar is attached movable in its longitudinal direction to its holder. Even if deformation of distortion, bending, or strain is induced by transportation, installation, or use of the area light source, the movable LED bar as well as the connecting pin absorbs expansion and contraction stress working between the adjacent ends of the circuit boards to securely prevent such breaking of wire incurred by use of a plurality of divided LED bars.06-06-2013
20130141940LED Light Bar and Backlight Module of Liquid Crystal Display Device - The present invention provides an LED light bar and a backlight module of liquid crystal display device. The LED light bar of liquid crystal display device includes: a metal core printed circuit board and an LED chip mounted on the metal core printed circuit board. The metal core printed circuit board includes a metal substrate, an insulation layer formed on the metal substrate, and a circuit formed on the insulation layer. The LED chip has leads to electrically connect with the circuit. The insulation layer forms a hollow portion corresponding to the LED chip. The LED chip is received in the hollow portion and the LED chip has an undersurface engaging the metal substrate. The present invention has a simple structure, is easy to manufacture, and makes an LED light bar showing improved heat dissipation performance.06-06-2013
20130176749DISPLAY DEVICE AND INPUT DEVICE WITH MULTI PATTERN LAYERS - The present invention discloses an input device with multi pattern layers including an input interface, a first light emitting element for generating a first light beam, a first light guiding plate, a second light emitting element for generating a second light beam, a second light guiding plate, a first circuit board and a second circuit board. The input interface is stacked on the first light guiding plate, and the first light guiding plate is stacked on the second light guiding plate, such that a first space and a second are formed individually at the two ends of the first light guiding plate and the second light guiding plate. The first circuit board and the second circuit board block the first light beam and the second light beam individually by inserting into the first space and the second space individually.07-11-2013
20120250353MANUFACTURING METHOD FOR LIGHT GUIDE PLATE, LIGHT GUIDE PLATE, BACK LIGHT DEVICE, ILLUMINATION DEVICE, AND PARTITION PLATE DEVICE - It is an object to provide a partition plate device capable of rendering a light guide plate function as a transparent member likewise a window plate and as a light shielding member used as an area light source having a prescribed pattern. The invented partition plate device includes a light guide plate having, on double sides as major surfaces thereof, plural recess pattern scars formed partly melting through vibration of ultrasound under contacting fabrication dots provided in a matrix shape at an ultrasound fabrication horn to major surfaces thereof with pressure; and a light source unit rendering light enter from a side surface of the light guide plate and diffused light occur from the recess pattern scars, wherein the light guide plate functions as a transparent member while no light enters from the light source unit and functions as a light shielding member made of an area light source having a prescribed pattern formed with the recess pattern scars while light enters from the light source unit.10-04-2012
20130114299DISPLAY DEVICE - Provided is a display device. The display device includes a light guide plate, a light source disposed on a side surface of the light guide plate, a light conversion member disposed between the light source and the light guide plate, and a first adhesion member closely attached to the light guide plate and the light conversion member. An air layer between the light source and the light guide plate is removed by the first and second adhesion members to improve light incident efficient into the light guide plate.05-09-2013
20130100701LIGHT GUIDE PLATE AND BACKLIGHT MODULE INCLUDING SAME - A light guide plate includes a light incident surface and a plurality of micro cylinders protruding from the light incident surface in parallel. Each of the micro cylinders has a circumference surface and two opposite end surfaces. The circumference surface is connected to the light incident surface. The two end surfaces are positioned on two opposite ends of the circumference surface, and are perpendicular to the light incident surface. Each of the two end surfaces is circular arc-shaped, and the radius of each of the two end surfaces is in the range of 0.04 μm to 0.07 μm.04-25-2013
20130114298BACKLIGHT AND DISPLAY DEVICE - Embodiments of the present invention disclose a backlight and a display device, to reduce the number of LEDs in a backlight, save costs, while avoiding dark areas appearing on the screen, so as to ensure display effect. The backlight comprises a first light guide plate and at least one light-emitting diode assembly, and the light-emitting diode assembly is located on one side of the first light guide plate. The light-emitting diode assembly comprises a second light guide plate, at least one light-emitting diode and a reflective film, wherein the at least one light-emitting diode is located on at least one side of the second light guide plate, and the reflective film is located on at least one side of the second light guide plate.05-09-2013
20130128618Back Frame and Backlight System - The present invention provides a back frame of flat panel display device, which includes primary assembling pieces, secondary assembling pieces, and a bracing piece for fixing a circuit board. The primary assembling pieces have a number of at least two, and the at least two primary assembling pieces are connected through joining to form a main frame structure of the back frame. The secondary assembling pieces are joined to the primary assembling pieces. According to practical needs of the main frame structure, different materials are used for different parts at different locations. The back frame is provided with the bracing piece for fixing a circuit board, and the bracing piece includes a bracing body, a first suspension section, a first bearing section, and a first resilient bent section. The present invention also provides a backlight system. The back frame and the backlight system of the present invention have a back frame having a simple structure, overcome the problem that a circuit cannot be easily fixed, reduce the expenditure of a back frame mold, and save the material used for back frame so as to lower down the cost of flat panel display device.05-23-2013
20130135900LIGHT SOURCE APPARATUS OF BACKLIGHT MODULE - A light source apparatus includes a light guide plate, a number of optical fibers, at least two first light emitting diodes, and at least two second LEDs. Each fiber has a light exiting surface facing the light guide and at least two light entrances at both ends of the fiber. The second LEDs are located on both sides of the light guide plate. Light generated by the first LEDs has a wavelength longer than that generated by the second LEDs. The light generated from the first LEDs enters the light guide plate after travelling through the optical fiber to mix with the light generated from the second LEDs to provide a good color rendering property of the light generated by the light source.05-30-2013
20110211367REFLECTIVE PLATE, PLANAR LAMP AND PLANAR LAMP FIXTURE INCLUDING THE SAME - A directional prism reflective plate includes a prism surface (09-01-2011
20100309685LIGHT EMITTING PANEL ASSEMBLIES - Optical assembly comprises a light emitting panel member having opposite sides and an input edge for receiving light from light sources optically coupled to a different location along the input edge. On or in at least one of the sides of the panel member is a pattern of individual optical deformities that are varied throughout the pattern and shaped or oriented throughout the pattern to extract light propagating through the panel member in different directions for viewing from different angles through one of the sides of the panel member.12-09-2010
20120275191BACKLIGHT MODULE AND LIGHT-BAR FIXING STRUCTURE THEREOF - The present invention provides a backlight module and a light-bar fixing structure thereof. The light-bar fixing structure of the backlight module is mounted on a sidewall of a rack of the backlight module. The light-bar fixing structure has a plurality of clamping arms that are arranged side by side as a row of teeth and is capable of stably clamping and positioning a light bar of the backlight module. Thus, the light bar can be fixed on the rack without fastening through screws or thermally conductive adhesive tapes, so that mounting and dismounting are both convenient and fast. And dismounting process of the light bar does not need to dismount other components of the backlight module, such that other components of the backlight module can be prevented from being polluted during the dismounting process.11-01-2012
20100315835LEAD FRAME, LIGHT EMITTING DIODE HAVING THE LEAD FRAME, AND BACKLIGHT UNIT HAVING THE LIGHT EMITTING DIODE - An LED includes a light-emitting chip, a metal member, and a housing. The light-emitting chip generates light. The light-emitting chip is arranged on the metal member. The housing is combined with the metal member to fix the metal member. The housing has an opening portion exposing at least a portion of the light-emitting chip and the metal member. The metal member includes a base metal layer, a light-reflecting layer arranged on the base metal layer, and a protection layer arranged on the light-reflecting layer and including a metal.12-16-2010
20100315834LIGHT EMITTING DIODE PACKAGE, AND BACKLIGHT UNIT AND DISPLAY DEVICE USING THE SAME - A light emitting diode package may be provided that includes a light emitting diode chip and a heat sink. Heat generated from the light emitting diode chip may be radiated to the outside using the heat sink.12-16-2010
20130155722LIGHT GUIDE PLATE AND EDGE LIGHT BACKLIGHT DEVICE - An edge light backlight device includes a light guide plate having a base portion and microstructures, LEDs, and a reflective plate. The base portion has a light emitting side, a rear side, and a light incident side. The microstructures are formed on one of the light emitting side and the rear side and each of which extends from the light incident side in a longitudinal direction. Each of the microstructures includes a curved surface with a radius of curvature (R). The light guide plate has a thickness (T). R/T ratio ranges from 0.04 to 0.15 and each of the microstructures has a height ranging from 20 μm to 300 μm so that the light guide plate has a performance of local lighting ranging from 1% to 40%.06-20-2013
20120020114BACKLIGHT STRUCTURE - A liquid crystal display apparatus (01-26-2012
20120020113BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The backlight module comprises a light guide plate, a base, a first light emitting diode and a second light emitting diode. The base is disposed at one side of the light guide plate. The first light emitting diode is disposed on a first arrangement surface of the base. The second light emitting diode is disposed on the second arrangement surface of the base. The distance between the first light emitting diode and the bottom surface is longer than the distance between the second light emitting diode and the bottom surface. The present invention can improve color shifting defect and coupling effect of the light emitting diodes.01-26-2012
20130194824BACKLIGHT STRUCTURE AND METHOD FOR MANUFACTURING THE SAME - A backlight structure includes a light source module and a light guiding plate. The light source module includes a circuit board, a lighting unit arranged on the circuit board, and a hollow baffle plate surrounding the lighting unit. The circuit board defines a groove in a surface thereof, and a bottom end of the baffle plate is embedded in the groove. The lighting unit is located between the light guiding plate and the circuit board, and the light guiding plate is disposed on the baffle plate. A method for manufacturing the backlight structure is also provided.08-01-2013
20120033447BACKLIGHT UNIT - Provided is a device including a backlight unit including a LED-mounted board having LEDs as a backlight source, a light guide plate to which the LEDs are disposed to face, and which has a light receiving surface to which light from the LEDs incidents and an emission surface from which the incident light is output, and a frame which holds the light guide plate. The frame 02-09-2012
20120069598EDGE-TYPE BACKLIGHT MODULE - An edge-type backlight module includes a light guide plate and at least one linear light source. The light guide plate has at least one light-incident sidewall, and the linear light source is substantially parallel to the light-incident sidewall. The linear light source includes a carrier and a plurality of solid-state light-emitting devices. The carrier is equally divided into a first, a second, a third, a fourth, and a fifth device mounting regions sequentially arranged along an extending direction of the carrier. The solid-state light-emitting devices are mounted on the device mounting regions and electrically connected to the carrier. An arrangement pitch of the solid-state light-emitting devices on the fourth device mounting region of the device mounting regions is greater than an arrangement pitch of the solid-state light-emitting devices on the other four device mounting regions.03-22-2012
20120081922BACKLIGHT MODULE - A backlight module includes a light guide plate, a first light module, and a second light module. The light guide plate includes first troughs and second troughs on opposite sides. The first light module includes a first substrate and first LEDs thereon. An opaque element is disposed on each first gap between two adjacent first LEDs, each first LED is embedded in one first trough. The second light module includes a second substrate and second LEDs thereon. An opaque element is disposed on each second gap between two adjacent second LEDs, and each second LED is embedded in one second trough. Each first LED is disposed to one second gap, and each second LED is disposed in one first gap. Light from first LED is absorbed by the opaque element on the second substrate, and that from the second LED is absorbed by the opaque element on the first substrate.04-05-2012
20130208508LIGHT EMITTING DEVICE WITH OPTICAL REDUNDANCY - An optically redundant light emitting device includes a light transmitting film comprising an array of coupling light-guides extending from a light emitting area defined within the light transmitting film. Each coupling lightguide is bent to form a stacked array of coupling lightguides. A first group of light sources comprising at least one light source is positioned to emit light into the stacked array of coupling lightguides, and a second group of light sources comprising at least one light source is positioned to emit light into the stacked array of coupling lightguides. A first optical path of the light emitted from the first group of light sources overlaps with a second optical path of the light from the second group of light sources in each coupling lightguide.08-15-2013
20120163027LIGHT-EMITTING DEVICE - It is disclosed a light-emitting device (06-28-2012
20120170312BACKLIGHT MODULE - A backlight module includes a chassis, a printed circuit board, a light source, and a light guide plate. The chassis includes a bottom plate and a sidewall. The sidewall is disposed on at least one side of the bottom plate. The sidewall has a recess therein. At least one part of the printed circuit board is located in the recess. The light source is electrically connected to the printed circuit board. The light incident side of the light guide plate is opposite to the light emitting side of the light source.07-05-2012
20130044516LIGHT-GUILD-PLATE POSITIONING SHEET AND CORRESPONDING BACKLIGHT MODULE - The present invention provides a light-guide-plate (LGP) positioning sheet, which comprises: a fixing portion used to fix the LGP positioning sheet onto a fixing frame of a backlight module, a positioning portion used to abut against and position a light guide plate, and a connecting portion used to connect the fixing portion and the positioning portion. The present invention is further related to a backlight module. According to the LGP positioning sheet and the backlight module of the present invention, the LGP positioning sheet can efficiently ensure the complete alignment between a light emitting diode (LED) light source and a light input side surface of the light guide plate, so as to increase the light utilization rate of the light guide plate.02-21-2013
20080259642LIGHT EMITTING PANEL ASSEMBLIES - A light emitting panel, film or substrate assembly includes an optically conductive panel, film or substrate having at least one light input surface defined by at least one edge of a slot, cavity, opening or hole in which at least one LED light source having a greater width than height is positioned adjacent to the light input surface for directing light into the panel, film or substrate. The LED light source is configured to generate light having an output distribution defined by a greater width component than height component, the height component substantially corresponding to or less than the thickness of the light input surface.10-23-2008
20080259641Planar Illumination Device - Thinning of a planar illumination device using an LED is accelerated while higher and more uniform brightness is promoted.10-23-2008
20110194308BACKLIGHT MODULE AND LIGHT GUIDE PLATE THEREOF - A light guide plate for distributing light from a light source includes a light scattering surface, a light output surface opposite to the light scattering surface, and a number of side surfaces surrounding the light scattering surface and the light output surface. The light scattering surface includes a number of light scattering dots thereon. The light scattering dots are arranged into a number of rows arranged from a first side of the light scattering surface to an opposite side of the light scattering surface. A distance between every two adjacent rows of the light scattering dots gradually decreases from the first side to the second side, such that the light scattering dots at the second side of the light scattering surface have a greater density than the light scattering dots at the first side of the light scattering surface.08-11-2011
20110194307MULTI-DIRECTIONAL LIGHT INCIDENCE BACK LIGHT PLATE - A multi-directional light incidence back light plate includes a plurality of light bars of high light transmittance arranged to juxtapose each other to form a plate like or a grating like structure. Each light bar has opposite ends to which light sources of light-emitting diode (LED) are mounted so that light emitting from the light sources transmits through the light bar to form a uniform luminous cylinder, which serves as a primary light source for backlighting. A plurality of secondary light sources is arranged at sides of the primary light source to constitute a complete arrangement of a back light plate. The secondary light sources are composed of red light and green light that are combined with the light bar at a predetermined ratio so that various color lights are used to generate excellent color saturation (Ra).08-11-2011
20100073960Color pattern forming device - A color pattern forming device includes an image displaying module, a base and a set of light-emitting diode (LED) banks. The image displaying module includes three curved light guide plates, each engraved with a pattern block. The set of LED banks includes three LED banks, which project light into corresponding ones of the curved light guide plates. Light from the LED banks is mixed in the curved light guide plates and illuminates each of the pattern blocks, thereby turning the pattern blocks into a color image for display.03-25-2010
20130033900LIGHTING ASSEMBLY WITH CONFIGURABLE ILLUMINATION PROFILE - A lighting assembly includes an edge-lit light guide and a light redirecting member. Light extracting elements at the light guide extract light from the light guide as intermediate light. Light redirecting elements at the light redirecting film are configured to redirect the intermediate light received from the light guide to illuminate a target surface in accordance with a defined illumination profile.02-07-2013
20130039092DISPLAY APPARATUS AND LIGHT SOURCE PACKAGES EMPLOYED THEREIN - Display apparatuses are provided. The display apparatus includes a light source package generating light, a circuit board including a recessed region in which the light source package is disposed, a display panel displaying images, and a light guide plate directing the light generated from the light source package onto the display panel. The light guide plate includes a top surface, a bottom surface, and a plurality of sidewall surfaces. One of the sidewall surfaces of the light guide plate is a light incident surface on which the light from the light source package is irradiated. A distance between the light source package and the light incident surface is less than a width of the circuit board.02-14-2013
20130083559DETACHABLE LIGHT EMITTING DEVICE USING LIGHT EMITTING DIODE MODULES - The present invention relates to a detachable light emitting device using light emitting diode modules, and the detachable light emitting device comprises: a body casing, in which a front frame is mounted on the front thereof, and in which one or a plurality of detachable parts is or are installed on an upper side or a lower side of the body casing; radiation stands which are vertically erected on both left and right sides inside the body casing, and have front cutting grooves; light guide plate stands which are vertically inserted and coupled in the front cutting grooves of each of the radiation stands, respectively, and in which side mounting grooves are formed on each one side thereof; LED module mounting stands which are vertically inserted and coupled in the side mounting grooves of each of the light guide plate stands, respectively, and in which LED mounting grooves are vertically formed on each one side thereof; LED modules, in which printed circuit boards having a plurality of LEDs thereon are vertically inserted and coupled in the LED mounting grooves of each of the LED module mounting stands, respectively; light guide plates which show surface emission effects when the LEDs of the LED modules are adjacent thereto; and a front plate which is installed on the front side inside the body casing, wherein various characters or drawings, photos and the like are printed thereon.04-04-2013
20090154195WHITE LIGHT-EMITTING DEVICE, METHOD FOR MANUFACTURING SAME, BACKLIGHT USING SAME, AND LIQUID CRYSTAL DISPLAY - A white light-emitting device 06-18-2009
20090154194LIGHT EMITTING DIODES, DISPLAY SYSTEMS, AND METHODS OF MANUFACTURING LIGHT EMITTING DIODES - Light emitting diodes, display systems, and manufacturing methods are provided. In an embodiment, by way of example only, a light emitting diode (“LED”) include a die and a lens. The die is configured to emit wavelengths of light within a first predetermined spectral range. The lens is disposed on at least a portion of the die and is configured to filter the light emitted from the die such that a second predetermined spectral range is emitted from the LED.06-18-2009
20130027976METHOD AND SYSTEM FOR FLEXIBLE ILLUMINATED DEVICES HAVING EDGE LIGHTING UTILIZING LIGHT ACTIVE SHEET MATERIAL WITH INTEGRATED LIGHT EMITTING DIODE - An edge lighting device, and a method of providing edge lighting, including providing a lighting device with at least one light emitting diode (LED) chip embedded therein, wherein the LED chip(s) generates light photons. A path of the light photons within the lighting device that are emitted by the LED chip(s) from a top surface of the LED chip(s), are redirected from a first edge of the lighting device back through the lighting device to a second edge of the lighting device opposite to the first edge. The first edge and the second edge of the lighting device are perpendicular to the top surface of the LED chip(s). The photons which were redirected from the first edge of the lighting device then follow a path through the second edge of the device and are then output from the edge lighting device at the second edge of the device.01-31-2013
20120182763BACKLIGHT DEVICE, IMAGE DISPLAY DEVICE, AND METHOD OF ASSEMBLING BACKLIGHT DEVICE - A backlight device, where expense reduction is promoted by standardizing lengths of LED boards to one type. The backlight device includes: a light guide plate; and LED boards which are arranged facing end surfaces of side surface portions of the light guide plate and on which LEDs introducing light to the light guide plate are mounted, wherein lengths of long sides of the LED boards arranged on long sides facing end surfaces in a long side direction of the light guide plate and lengths of long sides of the LED boards arranged on short sides facing end surfaces in a short side direction of the light guide plate are all the same.07-19-2012
20090290375LOW POWER LED LIGHT ENGINE FOR LIGHT GUIDE - A light engine assembly that includes a LED having a standard preselected output. The light engine assembly accepts a light guide into the assembly. The assembly includes a two-sided PCB, one side of which is a heat sink to reduce heat build-up on the board and the other side of which is a circuit that provides power to a LED positioned on the board. The circuit includes a connector for connection to a power supply and circuitry that regulates the current supplied to the LED, which is housed on the PCB. The assembly further includes a housing for the PCB that carries the PCB while protecting it from damage. The housing permits ventilation for cooling the board. The housing also includes a light guide holder barrel, which has a substantially square cross-section and is open at one end. The light guide holder barrel accepts a light guide having a substantially circular cross-section, the light guide contacting the light guide holder barrel in four positions, the light guide transmitting light from the LED when the LED is energized. The light guide can be rotated in any position and inserted into the light guide holder barrel to allow light to be transmitted in any preselected direction by the user.11-26-2009
20130070480ENCAPSULATED LED ARRAY AND EDGE LIGHT GUIDE DEVICE COMPRISING SUCH AN LED ARRAY - This invention relates to structures for mounting LEDs, said structures being suitable for use in the manufacture of light guide devices. This invention also relates to light guide devices comprising said structures and methods of manufacture of the aforementioned. The light guide devices are suitable for use in a range of applications, particularly in connection with the backlighting of displays, for example, liquid crystal displays.03-21-2013
20080285305LIGHT-GUIDE PLATE, AREA LIGHT SOURCE APPARATUS AND IMAGE READING APPARATUS - An LED module is mounted on a case frame by fitting three pins formed at a concave portion of the case frame, into holes in the LED module corresponding to the pins. A light-guide plate is fitted into the case frame formed integrally with a bottom cover in a descending direction. The light-guide plate is fixed by a hook provided for the case frame. A space between the light-guide plate and the LED module is prevented by pressing the light-guide plate to the LED module with a pressing spring. Since the light-guide plate is fitted into the case frame in the descending direction and a light scattering sheet is adhered to an outer end surface of the case frame in the descending direction, it is not necessary to reverse the worked product and so the number and time of working processes can be saved.11-20-2008
20090303744PLANAR ILLUMINATION DEVICE - It is an object to provide a planar illumination device that is thin and light weight, and can emit uniform illumination light with little brightness unevenness and can be enlarged in size. It is to provide a planar illumination device comprising: a first light source and a second light source which are arranged at predetermined intervals; and a light guide plate which is arranged between the first light source and the second light source and has: a light exit surface; a first light incident surface which is opposed to the first light source and includes a side of the light exit surface; a second light incident surface which is opposed to the second light source and includes an opposite side to the side; and a rear surface which is formed to be opposed to the light exit surface, wherein a cross section on a plane perpendicular to the side, of the rear surface of the light guide plate has a curved line in which a distance from the light exit surface increases with a shift from the first light incident surface and the second light incident surface to a center, an inclined angle relative to the light exit surface reduces with a shift from the first light incident surface or the second light incident surface to the center, and the inclined angle relative to the light exit surface is zero degrees at the center.12-10-2009
20120218777Light Source Module, LED Receiver and Backlight Device - A light source module is disclosed. The light source module comprises a light emitting diode (LED) and an LED receiver. The LED is provided with a locating element on a side surface thereof. The LED receiver has a receiving portion, and a snap-fitting structure is disposed on a side surface of the receiving portion to mate with the locating element so that the LED can be located in the receiving portion of the LED receiver. An LED receiver and a backlight device are also disclosed. The light source module and the LED receiver of the present invention allow for optimization of the assembling process of the LED.08-30-2012
20090091946Light-guiding structure - A light-guiding structure includes a light-guiding plate, and an LED set matched with the light-guiding plate. The characteristic is that the light-guiding plate has a light-entering surface, and there are a plurality of ditches on the light-entering surface. A light-entering interface is formed between two adjacent ditches. The LED set corresponds to the light-entering surface of the light-guiding plate, and each of the LEDs of the LED set corresponds to one light-entering interface. By utilizing the light-entering interface and the ditches, the light is uniformly spread. The light is uniformly spread at the light-entering surface of the light-guiding plate so that the bright point does not occur. The light is uniformly emitted from the light-emitting surface and the illumination is enhanced.04-09-2009
20110013422LIGHT-EMITTING DEVICE - This application relates to a light-emitting device comprising a light channel having an upper surface, a lower surface opposite to the upper surface, an inner surface intersecting with each of the upper and lower surface by different angles, and an escape surface; and a light-emitting element having a bottom surface substantially parallel to the inner surface and emitting light traveling inside the light channel toward the escape surface. In an embodiment, the escape surface of the light-emitting device is an inclined plane with lens array thereon.01-20-2011
20110013421BACKLIGHT UNIT - The present invention relates to a backlight unit including a plurality of light guide plates, each discretely arranged with an interval, one or more light sources formed at a lateral surface of the plurality of light guide plates, and a filling material filled among the plurality of light guide plates and having a lower refractive index than that of the light guide plate, whereby each of the plurality of light guide plates can be split-driven to guarantee a uniform luminance at an interval among the plurality of light guide plates.01-20-2011
20110013420LIGHT EMITTING DEVICES AND APPLICATIONS THEREOF - In one aspect, the present invention provides light emitting devices, including light fixtures and luminaires. In some embodiments, a light emitting device comprises at least one light source, a lightguide operable to receive light from the at least one light source at a first location on the lightguide, at least one light extraction region optically coupled to the lightguide and a substantially non-scattering region along a portion of the lightguide.01-20-2011
20110013419LINEAR LIGHT GUIDING MODULE - A linear light guiding module is provided, which includes a linear light guiding body, a plurality of light emitting bodies, a plurality of heat sinks, and a plurality of fans. With the linear light guiding body, the light emitting bodies, and the heat sinks linearly arranged, or with the fans further integrated, the linear light guiding module of the present invention has a small size and an effective heat-dissipation effect. Since only one linear light guiding module needs to be disposed on one side of a light guide plate, the linear light guiding module can be used in large-sized liquid crystal display panels. Moreover, the number of the linear light guiding modules used is decreased while the requirements for high brightness and brightness uniformity can still be met, so the cost can be reduced.01-20-2011
20090290376DUAL LAYER LIGHT GUIDE STRUCTURE FOR LED BASED AMBILIGHT - A device for guiding and mixing light comprising of a light guide, at least a first set of light emitting elements in a first layer and at least a second set of light emitting elements in a second layer. Each of the light emitting elements being arranged to emit light of at least a first predetermined frequency. The second layer extending in a second geometrical plane different from a first geometrical plane of the first layer for producing a uniform light output from the aggregate of the constituting frequencies.11-26-2009
20090097271LED BACKLIGHT FOR DISPLAY SYSTEMS - An LED backlight method and apparatus for display systems provides a plurality of light emitting diodes having different white point colors. At least two of the light emitting diodes having different white point colors are selected to produce a light of a predetermined white point color when the light outputs of the selected light emitting diodes are mixed. The selected light emitting diodes are mounted on a display panel in a predetermined order at spatially distributed positions for mixing their light outputs to produce the light of the predetermined white point color to illuminate the display panel with the light of the predetermined white point color.04-16-2009
20130163285COOLING STRUCTURE FOR LIGHT EMITTING ELEMENTS FOR LIQUID CRYSTAL PANEL - A cooling structure for light emitting elements for a liquid crystal panel according to the present invention includes: a long-shaped substrate that is disposed so as to extend along an edge of a light guide plate provided on a rear surface of a liquid crystal panel, and in which a plurality of through-holes are formed; a plurality of light emitting elements that are disposed on a front surface of the substrate so as to face the light guide plate; and a chassis that is provided at a rear surface side of the substrate, and the through-holes are arranged at a higher density at a center portion of the substrate in a long direction than at end portions of the substrate in the long direction.06-27-2013
20130163284LATERAL PLANAR LIGHT EMITTING MODULE - A lateral planar light emitting module has a rectangular base plate and a plurality of light emitting diodes, and the light emitting diodes are designed with an array arrangement and installed on both opposite sides of the rectangular base plate respectively, so that a light exit surface opposite to a light projection area with a different intensity produced by the same light emitting diode has an optical path with a different distance after a light source emitted from the light emitting diodes is projected directly or reflected from a reflective micro-structure of the rectangular base plate, and a light emitting effect with a uniform light intensity distribution is achieved on the light exit surface to lower the manufacturing cost and improve the light emitting efficiency effectively.06-27-2013
20090231881Light-Emitting-Diode Backlight Device - A light-emitting-diode backlight device includes a light source substrate to which many light-emitting diodes are mounted, and a bottom chassis having the light source substrate mounted to a principal surface side of the bottom chassis. Illumination light from the light-emitting diodes is supplied to a display panel unit. A back-surface side of the bottom chassis is provided with a heat-dissipating unit making uniform a temperature distribution over the entire bottom chassis. The heat-dissipating unit includes a mounting plate, a heat pipe, and a radiating fin. The mounting plate is mounted to at least a high-temperature area of the bottom chassis. The heat pipe is disposed on both the high-temperature area and a low-temperature area, and is mounted to the mounting plate. The radiating fin is mounted to the low-temperature area, and connected to an end of the heat pipe.09-17-2009
20090231880BACKLIGHT UNIT WITH HEALTH-CARE FUNCTION - A backlight unit with a health-care function is disclosed. The backlight unit includes: a light source including a plurality of light-emitting diodes (LEDs), at least some of the plurality of LEDs radiating light having a wavelength beneficial to the human body; and an optical output unit outputting the light radiated from the light source to a liquid crystal panel. By using a monitor or mobile phone adopting the backlight unit, immunity is improved.09-17-2009
20090016076DISPLAY APPARATUS - The invention relates to a display apparatus with a display unit, having means for background lighting at the back of the display apparatus. According to the invention, the means for background lighting comprise two illumination units being provided at the right-hand and left-hand of the display apparatus, said illumination units being formed as substantially vertically positioned, longitudinal light guides comprising means for coupling out light, each of the light guides being provided on at least one of its ends with a light source. The light sources preferably comprise coloured LEDs.01-15-2009
20120230056LIGHT SOURCE MODULE AND ELECTRONIC DEVICE INCLUDING SAME - A light source module of the present invention includes: a plurality of light guide bodies (09-13-2012
20120113681LIGHTBAR MODULE AND BACKLIGHT DEVICE - The present invention discloses a lightbar module for use in a backlight device. The lightbar module includes a plurality of light source units. The light source unit includes at least one first light-emitting diode (LED) with a first color bin in a first wavelength range and at least one second LED with a second color bin in a second wavelength range. A color bin created by the mixed light of the light emitted by the first LED and the light emitted by the second LED after the mixed light passes through an optical glass element being the same as a color bin of the light emitted by an LED with a middle color bin in the first wavelength range after the light passes through the optical glass element, or being the same as a color bin of the light emitted by an LED with the middle color bin in the second wavelength range after the light passes through the optical glass element. The present invention can effectively increase a utilization rates of LEDs will and the cost will decrease effectively.05-10-2012
20120236598EDGE-ILLUMINATED FLAT PANEL AND LIGHT MODULE FOR SAME - An apparatus comprising a transparent or translucent panel and a light module comprising a plurality of light emitting diode (LED) devices. The light module is mechanically connected to an edge of the panel with the LED devices oriented to inject light into the edge of the panel.09-20-2012
20120236597LAMP AND FRAME MODULE THEREOF - A frame module includes a frame strip, a light emitting diode (LED) bar, and a fastener. The frame strip has a heat-dissipating portion, two elastic arms extended in one direction from the two edges of the heat-dissipating portion, and two pressing portions inwardly protruded form the two elastic arms. The heat-dissipating portion, the two elastic arms, and the two pressing portions define an accommodating trough. The LED bar has a printed circuit board (PCB) and a plurality of LEDs mounted on the PCB. The PCB is arranged in the accommodating trough of the frame strip and clamped between the heat-dissipating portion and the two pressing portions. The fastener is fixed on the two elastic arms. Thus, the heat generated form the LED bar is conducted by the LED bar directly contacting the frame strip. Besides, the instant disclosure also provides a lamp.09-20-2012
20100309684FLEXIBLE LIGHT-GUIDING MODULE WITH WATERPROOF FUNCTION - A flexible light-guiding module with waterproof function includes a flexible light-guiding film, a light-reflecting element and a light-generating element. The light-reflecting element is disposed on a bottom side of the flexible light-guiding film. The light-generating element is embedded into the flexible light-guiding film, and the light-generating element has a circuit substrate and at least one light-generating chip electrically disposed on the circuit substrate. Hence, the light-generating element is embedded into the flexible light-guiding film, so that the light-generating element is waterproof. In addition, the present invention can be attached to any plane or curved surface by using the flexible light-guiding film, so that the application field of the present invention is very extensive. Moreover, the flexible light-guiding film and the light-reflecting element are integrally formed in order to decrease manufacturing cost of the present invention.12-09-2010
20110149600LIGHT EMITTING DEVICE AND LIGHT UNIT USING THE SAME - Provided is a light emitting device and light unit using the same. The light emitting device comprises: a body including a horizontal surface; an insulating layer over at least a portion of the horizontal surface; an electrode over at least a portion of the insulating layer; a heat radiation member formed within the body and protruding from the horizontal surface, the heat radiation member comprising two or more surfaces that are inclined with respect to the horizontal surface; and two or more light emitting diodes, wherein each of the two or more light emitting diodes is mounted on a respective one of the two or more inclined surfaces, and wherein each of the two or more light emitting diodes is electrically connected to the electrode.06-23-2011
20110280045Light Emitting Diode Package and Display Apparatus Having the Same - A display apparatus includes a display panel, at least one light emitting diode package, and at least one light guide plate. The light emitting diode package includes a frame extending in a first direction, a plurality of branches branched from the frame in a second direction, and at least two light emitting diode chips inserted between and coupled with two adjacent branches.11-17-2011
20100008102BACK LIGHT MODULE - A back light module including a light-guiding plate and a point light source is provided. The light-guiding plate has a first light emitting surface and a light receiving surface adjacent to the first light emitting surface. The point light source has a package housing, and the package housing is tightly bonded with the light receiving surface of the light-guiding plate to form a welding interface. The above back light module achieves a desirable light-output efficiency.01-14-2010
20080298085Backlight module with uniform brightness - A backlight module with uniform brightness has a light guide panel (LGP), a diffusing reflector, at least one light source and a diffuser and a prism film. The diffusing reflector is placed on the LGP and has a substrate, a reflective film and multiple diffusing elements. The reflective film is formed on the substrate. Each one of the multiple diffusing elements has an adhesive bed and multiple balls. The multiple balls can be easily pasted or printed separately on the reflective film by using the adhesive bed and provide a uniform diffused light output form the LGP, so the backlight module has a lowered cost and is easily manufactured.12-04-2008
20110299299ANTENNA WITH LIGHTING FUNCTION FOR MOBILE COMMUNICATION SYSTEM - An antenna with a lighting function for a mobile communication system is provided. The antenna includes a radome for passing or spreading light through at least one specific part, and at least one light source for irradiating light to the radome.12-08-2011
20110134660Backlight Module Structure - A backlight module structure including a light guide plate and a plurality of light emitting diodes is provided. A plurality of first micro-structures and a plurality of second micro-structures are formed on the light incident surface of the light guide plate, and the first micro-structure and the second micro-structure are respectively disposed on two sides of the light incident surface and distributed along the light incident surface. The first micro-structure has a first receiving surface and the second micro-structure has a second receiving surface. The first and second receiving surfaces are faced oppositely and incline at least one inclined angle, such that the normal lines thereof are deflected to the imaginational center of the light guide plate, respectively. The light emitting diode has an emitting surface disposed correspondingly to the abovementioned the first receiving surface or the second receiving surface, and the lights of light emitting diodes enter into the light guide plate from the first receiving surfaces and the second receiving surfaces.06-09-2011
20110170314LIGHT EMITTING DIODE DEVICE AND DISPLAY DEVICE - A display device includes a housing, a panel unit disposed in the housing, a light emitting diode module disposed between the housing and the panel unit, and a heat conducting layer. The light emitting diode module includes a circuit board, and a plurality of light emitting diodes disposed on the circuit board. The circuit board includes a board body formed with a plurality of through holes, and a first conducting unit and a second conducting unit disposed on the board body. Each of the light emitting diodes has a bottom portion disposed in a respective one of the through holes, and is coupled between each conducting parts of the first and second conducting units. The heat conducting layer contacts the housing, contacting parts of the first and second conducting units, and the bottom portions of the light emitting diodes.07-14-2011
20110170315EDGE-LIGHTING TYPE BACKLIGHT MODULE - An edge-lighting type backlight module includes a light guide plate, a light source module, a back plate, a thermal conductive element, and a thermal insulating element. The light guide plate has a light-emitting surface, a bottom surface opposite the light-emitting surface, and at least one side surface connected between the light-emitting surface and the bottom surface. The light source module is disposed adjacent to the side surface, and the back plate is disposed adjacent to the bottom surface. The thermal conductive element has a base portion touching the light source module and an extension portion extending to one side of the back plate. The thermal insulating element is connected between the back plate and the thermal conductive element to reduce the heat conduction between the light source module and the back plate.07-14-2011
20090147534BACKLIGHT DEVICE AND DISPLAY DEVICE USING THE SAME - In a backlight device, among a plurality of light emitting diodes, light amounts thereof are measured in advance, and they are classified as any one of two or more light amount ranks according to the measurement results. In each of an upper region and a lower region of the light emitting diodes that are set on an upper side and lower side of a light guide plate, respectively, the light emitting diodes that are classified as having the same light amount rank are disposed.06-11-2009
20080304286PLANAR LIGHTING DEVICE - The absolute value of the light amount is increased by providing main light sources and auxiliary light sources on four sides of a light guide plate having a flat and rectangular light exit plane whereas the amounts of light emitted by LED chips of the main light sources and the auxiliary light sources are adjusted such that illuminance is highest near the central area of the light guide plate to obtain a high-in-the-middle, bell-curve illuminance distribution for light emitted by the light guide plate. A planar lighting device achieving a reduced thickness and weight and capable of emitting an increased amount of illumination light is provided.12-11-2008
20090273948BACKLIGHT ASYMMETRIC LIGHT INPUT WEDGE - A backlight is disclosed and includes a visible light transmissive body primarily propagating light by TIR with a light input surface and a light output surface and a light guide portion and a light input portion. The light guide portion has a light reflection surface and a light emission surface. The light input portion has opposing side surfaces that are not parallel. One of the opposing surfaces is co-planar with either the light emission surface or the light reflection surface. A light source is disposed adjacent to the light input surface. The light source emits light into the light input portion. A reflective layer is disposed adjacent to or on the opposing side surfaces.11-05-2009
20120033446BACKLIGHT MODULE - A backlight module comprises a light source circuit board having a plurality of light emitters disposed thereon; a securing component for supporting the light source circuit board rigidly, the securing component comprising a holding portion and an adhesive layer, the adhesive layer being utilized for assembling the light source circuit board and the securing component together to form an assembly; and a casing having a receiving slot, the assembly of the light source circuit board and the securing component being detachably disposed in the receiving slot, the holding portion being utilized for a user to grip when moving the securing component, and the holding portion having a locating hole for being fastened in the casing. The backlight module is capable of reducing the risk of scratching optical films and invasion by foreign objects in a replacement process of the light source circuit board, thereby increasing the lifespan of displays.02-09-2012
20110149604ENCAPSULANT PROFILE FOR LIGHT EMITTING DIODES - A light emitting packaged diode ids disclosed that includes a light emitting diode mounted in a reflective package in which the surfaces adjacent the diode are near Lambertian reflectors. An encapsulant in the package is bordered by the Lambertian reflectors and a phosphor in the encapsulant converts frequencies emitted by the LED chip and, together with the frequencies emitted by the LED chip, produces white light. A substantially flat meniscus formed by the encapsulant defines the emitting surface of the packaged diode.06-23-2011
20100085772SIDE-VIEW TYPE LIGHT EMITTING DEVICE AND OPTICAL DEVICE INCLUDING THE SAME - A side-view type light emitting device includes a package body, first and second lead frames, a light emitting diode chip, a resin covering portion, and at least one spacer portion. The package body has a first surface provided as a mounting surface, a second surface located opposite to the first surface, side surfaces located between the first surface and the second surface, and a concave portion formed at one of the side surfaces corresponding to the light emitting surface. The first and second lead frames are formed at the package body to be exposed to the bottom of the concave portion. The light emitting diode chip is mounted on the bottom of the concave portion to be electrically connected to each of the first and second lead frames. The resin covering portion is formed in the concave portion to enclose the light emitting diode chip. The spacer portion is formed at the side surface around the concave portion to maintain a constant distance from a light irradiation target without reducing the view angle of light emitted from the light emitting diode chip in the major-axis direction of the concave portion.04-08-2010
20120294041BACKLIGHT MODULE WITH THERMAL INSULATION - The present invention discloses a backlight module with thermal insulation. The backlight module mainly includes a frame assembly, a light-emitting source and thermal-insulating material. The frame assembly has a backlight cavity defined inside the frame assembly for placing an optical component. The light-emitting source is mounted at a side of the frame assembly. The thermal-insulating material is mounted on an internal surface of the frame assembly and insulates heat conducted to the internal surface of the frame assembly from entering the backlight cavity. Since the thermal-insulating material insulates the heat of the light-emitting source from entering the backlight cavity via the frame assembly, the present invention effectively lowers the temperature in the backlight cavity and reduces the aging speed of the optical component in the backlight cavity.11-22-2012
20120294040LIGHT-EMITTING DIODE HEAT-DISSIPATION STRUCTURE AND BACKLIGHT MODULE - The present invention provides a light-emitting diode (LED) heat-dissipation structure and a backlight module. A plurality of heat-dissipation lamp holders and at least one circuit board are disposed on an upper surface of a heat-dissipation bottom plate of the LED heat-dissipation structure. A recess is formed on a top surface of each of the heat-dissipation lamp holders, and at least one LED chip is disposed in each recess. Two lead wires are electrically connected between the LED chip and the circuit board. The heat of the LED chips is dissipated outside by the heat-dissipation lamp holders and the heat-dissipation bottom plate with being obstructed by the circuit board, thus improving the heat-dissipation efficiency and life time of the LED heat-dissipation structure.11-22-2012
20090086504Backlit erasable writing board - A backlit erasable writing board includes a light guide panel, a plurality of light emitting diodes positioned on at least one side surface of the light guide panel for providing light to the light guide panel, a reflecting plate at a back surface of the light guide panel for reflecting light toward a front surface of the light guide panel, and an impervious translucent film at the front surface of the light guide panel for use as an erasable writing surface.04-02-2009
20090262552ILLUMINATION DEVICE HAVING LIGHT GUIDE BODY - The illumination device is provided with a plurality of light guide bodies, the bottom face of which is given light reflection/scattering treatment, light sources individually connected to the end portions of a plurality of the light guide bodies to radiate the bottom faces of a plurality of the light guide bodies, and a control unit for changing the intensity of light made incident from the light sources to a plurality of the light guide bodies. A plurality of the light guide bodies are laminated so as to be at least partially overlapped at the respective light emitting regions of the light guide bodies, and the control unit allows the intensity of light made incident from the light sources to the light guide bodies to change with the lapse of time.10-22-2009
20120294042LED MODULE, BACKLIGHT UNIT INCLUDING THE LED MODULE, AND METHOD FOR MANUFACTURING THE LED MODULE - A light emitting diode (LED) module having a structure capable of effectively dissipating heat generated from an LED chip thereof, and a backlight unit including the same are disclosed. The LED module includes a base made of a metal material, an insulating layer provided on the base, a circuit layer provided on the insulating layer, an LED package provided on the circuit layer, and a bonding layer extending through the insulating layer and the circuit layer, to connect the LED package to the base.11-22-2012
20110199787LED PACKAGE AND A BACKLIGHT UNIT UNIT COMPRISING SAID LED PACKAGE - A light emitting diode (LED) package includes: a main body mounted on a substrate; a light emitting diode that is mounted in the main body and emits light; and a lead frame exposed to allow the main body to be selectively top-mounted or side-mounted. A backlight unit includes: a light guide plate configured to allow a light source to proceed to a liquid crystal panel; a light emitting diode (LED) mounted in a main body mounted on a substrate and generating a light source; and an LED package having a lead frame exposed to allow the main body to be selectively top-mounted or side-mounted, and being mounted on the light guide plate.08-18-2011
20110199788LIGHTING UNIT AND DISPLAY DEVICE HAVING THE SAME - Provided are a lighting unit and a display device including the same. The lighting unit includes a bottom cover having a plurality of sidewalls, light emitting modules each including a board disposed on the bottom cover and a plurality of light emitting diodes mounted on the board, and a light-transmitting resin layer covering the bottom cover and the board.08-18-2011
20100103699METHOD FOR MANUFACTURING LIGHT GUIDE PANEL, LIGHT GUIDE PANEL AND LIGHT SOURCE UNIT - The invention provides a light guide panel that improves luminance and reduces uneven luminance and color aberration. The light guide panel of the invention may be formed by irradiating laser light from a laser light source to the surface of an acrylic resin plate made of polymethylmethacrylate whose weight-average molecular weight is 10,000 to 100,000 or of a copolymer of 90 to 99.9% by weight of methyl methacrylate and 0.1 to 10% by weight of acrylic ester and whose weight-average molecular weight is 1,000 to 100,000 to form a light scattering pattern including a large number of concave portions each of which also includes a large number of micro-concavities and convexities therein.04-29-2010
20080232134Replaceable LED light source device used in backlight module - A replaceable LED light source device used in a backlight module comprises a LED bar disposed with a plurality of LEDs thereon used for providing illumination and an attaching plate used for disposing the detachable LED bar within a case locating the backlight module therein. Thereby, the previous LED light source device can be replaced by a new one when any LED on the LED bar stops working.09-25-2008
20080273350METHOD AND APPARATUS FOR BACKLIGHTING A DEVICE - A light guide panel is disclosed. The panel comprises a plate for dispersing light and at least one light-emitting diode (LED) coupled to the plate for providing the dispersed light. When the panel is coupled to a keyboard, the at least one LED is under a portion of the keyboard such that when the at least one LED is illuminated, the light from the LED does not distract a user. Accordingly, by strategically placing LEDs within the panel and providing the LEDs under appropriate portions of the keyboard, the device utilizing the keyboard can be smaller than when a conventional light guide panel is utilized. In addition, a further improvement in illumination is provided when a mechanism is provided which reflects light escaping from the edges of the panel back into the panel.11-06-2008
20080304285PLANAR LIGHTING DEVICE - A thinner and larger planar lighting device is achieved without increasing the number of light sources and holding the power consumption to a minimum. The LED chips on the light sources are arrayed at an array density varying according to the position of each of the light entrance planes of the light guide plate such that the illuminance distribution as measured on along the middle of the light guide plate in a direction parallel to longitudinal direction of the light entrance planes represents a high-in-the-middle, bell-curve distribution.12-11-2008
20080239751LED LAMP ASSEMBLY - An exemplary LED lamp includes a housing having an opening, a printed circuit board, at least one LED, a light reflective plate, a light reflective module and a lamp cover. The printed circuit board is positioned on a bottom of the housing. The LED is electrically connected with the printed circuit board. The light reflective plate defines at least one through hole, the LED passing through the corresponding through hole. The light reflective module includes a bottom reflective plate, at least two opposite reflective sidewalls, at least one light-shielding sheet extending at midsections from the opposing reflective sidewalls. The bottom reflective plate defines at least one first cutout, the at least one LED passing through the corresponding first cutout. The at least one light-shielding sheet defines a plurality of light holes and covers the corresponding LED. The LED lamp assembly has a uniform luminance.10-02-2008
20080205078ILLUMINATION TILES AND RELATED METHODS - Illumination assemblies, components, and related methods are described. A plurality of illumination tiles may be arranged in a two-dimensional array. In one embodiment, an illumination tile comprises at least one solid state light-emitting device and a light guide including an edge constructed and arranged to receive light from the solid state light-emitting device, and a top emission surface constructed and arranged to emit light received by the edge, wherein the solid state light-emitting device is disposed under the top emission surface. In another embodiment, an illumination tile comprises at least one solid state light-emitting device and a light guide including a light input portion including an edge constructed and arranged to receive light from the light-emitting device and a top surface, and a light extraction portion including a top emission surface constructed and arranged to emit light received by the edge, wherein the top surface of the light input portion is offset vertically from the top emission surface of the light extraction portion.08-28-2008
20110007521BACKLIGHT MODULE WITH A HEAT CONDUCTIVE BLOCK - A backlight module includes a bezel having at least one edge, a circuit board, one or more light emitting diodes connected to the circuit board for emitting light. Each light emitting diode has a light axis which is neither parallel nor vertical to the edge of the bezel. The backlight module utilizes a heat conductive block disposed between the bezel and the light emitting diode for transferring heat generated by the light emitting diode to the bezel.01-13-2011
20090097272BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE COMPRISING THE SAME - A backlight unit capable of reducing or effectively preventing a hot spot phenomenon includes a plurality of light sources generating lights, a light guide plate including a portion on which the lights generated from the light sources are incident and converting the lights incident on the portion into a surface-shaped lights and a light path converter converting a traveling direction of the lights incident on the portion of the light guide plate in an area where the lights emitted from the light sources diodes overlap each other.04-16-2009
20110205760Modular solid-state illumination system for vending machines - A modular light emitting diode, edge-lit illuminating arrangement or a modular organic light emitting diode illuminating arrangement providing illumination. More particularly, a modular light emitting diode, edge-lit illuminating arrangement or a modular organic light emitting diode illuminating arrangement providing illumination for vending machines. The illuminating arrangements are adapted for backlighting in vending machines.08-25-2011
20090185393LIGHT SOURCE MODULE, METHOD OF FABRICATING THE SAME, AND DISPLAY DEVICE HAVING THE LIGHT SOURCE MODULE - A light source module includes a mounting substrate including at least two exposed metal lines, a light-emitting diode (LED) including two electrodes disposed corresponding to the at least two exposed metal lines, and an anisotropic conductive film (ACF) provided on the mounting substrate, the ACF electrically connecting the at least two exposed metal lines to the two electrodes, wherein the ACF comprises an insulation body, and a plurality of conductive particles dispersed in the insulation body and insulated from each other, and an insulation of the conductive particles disposed between the two exposed metal lines and the two electrodes of the LED is prevented in at least a first direction.07-23-2009
20090168454BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - A backlight assembly includes a light source, a light-guide plate and an integrally formed frame. The light-guide plate guides light generated from the light source. The integrally formed frame includes a chassis and a mold frame integrally combined with the chassis as an indivisible unitary element through insert/outsert injection. The integrally formed frame receives the light source and the light-guide plate. A hemming part is formed on a sidewall of the chassis to increase strength of the integrally formed frame. Therefore, the number of elements is decreased, and strength against bending stress, impact resistance and heat dissipation are improved.07-02-2009
20080316767Liquid Crystal Display Using Different Light Radiation Angles Of Light Emitting Diodes - A liquid crystal display with low manufacturing cost, small dark area and compact exterior is provided by utilizing a plurality of differently radiating light emitting diodes at different angles. The liquid crystal of present invention includes a thin film transistor panel for displaying image, a backlight assembly for providing light to the thin film transistor panel with a plurality of light emitting diodes with different light radiation angles and a light guiding plate, and a frame unit for encompassing the thin film transistor panel and the backlight assembly. The light emitting diodes are placed either at the mid-point of light incident surface or the corner portion of the light guiding plate.12-25-2008
20090052206Display Device - A wall-mounted display device, which uses a light guiding panel for an LED light source includes display body 02-26-2009
20090052205LIGHT SOURCE MODULE OF SCANNING DEVICE - A light source module of scanning device includes a light guide rod and a light emitting diode. The light guide rod has a top surface, a bottom surface and two end portions. The top surface and the bottom surface are disposed opposite to each other. The light emitting diode is disposed adjacent to one of the end portions.02-26-2009
20130215646LIGHTING DEVICE HAVING A LIGHT GUIDE STRUCTURE - A lighting device includes a light guide structure. The light guide structure is arranged in tiers by a plurality of thin-film modules in which a portion of a first surface of each lower one of the plurality of light guide layers is covered by an upper one of the plurality of light guide layers to form an uncovered portion of the first surface. Each of the thin-film modules is configured to transmit light therein emitted from light emitting diodes (LEDs) to the uncovered portion and emit the light from the uncovered portion of the first surface thereof.08-22-2013
20090080216LIGHT GUIDE PLATE, SURFACE LIGHT SOURCE, AND LIQUID CRYSTAL DISPLAY DEVICE - A light guide plate has a light exit plane and a light entrance plane arranged on the periphery of the light exit plane. Light incident on the light entrance plane is outputted from the light exit plane. The light entrance plane includes a plurality of first end surfaces and a plurality of second end surfaces protruding in an external direction beyond the first end surfaces in plan view. The first end surfaces and the second end surfaces are alternately arranged along the periphery of the light exit plane.03-26-2009
20090086505PLANAR LIGHTING DEVICE - The planar lighting device includes, in addition to light sources, a light exit plane, a pair of light entrance planes formed on a pair of sides of the light exit plane, and a rear plane composed of a pair of inclined planes formed on a side opposite from the light exit plane such that the light guide plate grows thicker with an increasing distance from the light entrance planes toward the center. The light guide plate contains light scattering particles satisfying Npi>Np, where Npi is the particle density in a region of space within a given range of the light guide plate and Np the density in the other region of space. The planar lighting device with minimized brightness unevenness liable to develop near the light entrance planes when the light exit plane has great dimensions.04-02-2009
20120195070LED BACKLIGHT FOR DISPLAY SYSTEMS - An LED backlight method for display systems comprising receiving a plurality of light emitting diodes categorized into a plurality of bins, wherein each bin references a separate range of white point colors, and determining an optimal order for mounting the plurality of light emitting diodes at spatially distributed positions, the plurality of light emitting diodes comprising white point colors associated with separate bins, wherein the optimal order of the plurality of light emitting diodes produces a light of a desired white point color when the light outputs of the plurality of light emitting diodes are mixed.08-02-2012
20120195069CLAMP STRUCTURE FOR FIXING A LIGHT BAR ON A BASE AND BACKLIGHT MODULE HAVING CLAMP STRUCTURE - A clamp structure includes a first board portion, a second board portion connected to a lateral side of the first board portion in an elastically deformable manner, and a third board portion connected to the other lateral side of the first board portion opposite to the second board portion in an elastically deformable manner. The third board portion and the second board portion are disposed on the same side of the first board portion for clamping two surfaces of a base, and the first board portion contacts against a light bar for fixing the light bar on the other surface of the base.08-02-2012
20100149835BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - A backlight assembly includes a light guide plate guiding light, one or more light sources disposed on a side of the light guide plate and generating and providing the light to the light guide plate, a housing including a bottom portion and sidewall portions which each extend from the bottom portion, and accommodating the light guide plate and the light sources, and a light source cover. The light source cover includes a flat portion which contacts a top surface of the light guide plate, a height-adjusting portion which extends upward or downward from the flat portion to form a stepped shape and has the light sources installed thereunder, and fixing portions which extend from the height-adjusting portion and are fixed to a corresponding one of the sidewall portions. A centerline of the light sources is aligned with a centerline of the light guide plate.06-17-2010
20100149834LIGHT-EMITTING MODULE AND DISPLAY APPARATUS HAVING THE SAME - A light-emitting module includes a power transmitting substrate disposed adjacent to a light guide plate (LGP). The power transmitting substrate includes first and second substrate portions positioned substantially perpendicular to each other. The first substrate portion faces a light incident surface of the LGP. The second substrate portion extends from the first substrate portion and is substantially parallel with a counter surface of the LGP. First and second light sources respectively emit light from a top and a side thereof, and are respectively mounted on the first and second substrate portions. The first and second light sources respectively emit light to the light incident surface. A receiving container supports the light-emitting module and contains the LGP.06-17-2010
20090080217Encapsulant shapes for light emitting devices lacking rotational symmetry designed to enhance extraction of light with a particular linear polarization - The light-emitting device includes a light source and a transparent encapsulating material that is shaped to modify the polarization anisotropy of light emitted by the light source in at least one direction.03-26-2009
20100002465LIGHT EMITTING DIODE DEVICE AND BACKLIGHT MODULE USING THE SAME - A light emitting diode (LED) device comprises a substrate, an LED chip and an encapsulation body. The LED chip is mounted on the substrate, and the encapsulation body is overlaid on the LED chip and the substrate. The encapsulation body includes a light output surface. The light output surface can uniformly diffuse emission light over a wide angle in a first direction and concentrate the emission light in a second direction perpendicular to the first direction.01-07-2010
20100002464LIGHT EMITTING DIODE LAMP - An exemplary light emitting diode (LED) lamp includes a substrate, a plurality of LED chips mounted on the substrate, a lens, and a plurality of reflecting layers. The lens, above the LED chips, has a plurality of first protruding strips and a second protruding strip on a top thereof. Each of the first protruding strips includes a side surface angled with respect to the substrate and a vertical side surface perpendicular to the substrate. The second protruding strip includes two side surfaces, each angled with respect to the substrate. The reflecting layers are formed on the angled side surfaces of the first protruding strips and the second protruding strip, respectively.01-07-2010
20090046479Thin Backlight Using Low Profile Side Emitting LED - Low profile, side-emitting LEDs are described. The LEDs are used in very thin backlights for backlighting an LCD. In one embodiment, the backlight comprises a solid transparent waveguide with at least one opening in the waveguide containing an LED proximate to one edge. To smooth out a clover-shaped or batwing brightness profile inherently generated by a rectangular side-emitting LED within a smooth-sided rectangular opening in the waveguide, depending on the orientation of the LED, the sidewalls of the opening are made to have varying angles along the length of each sidewall to vary the refraction angle of light along the sidewall. Additionally, if a plurality of LEDs are used in the backlight, the orientations of the openings alternate to create a more uniform brightness profile in the waveguide.02-19-2009
20090316432BACKLIGHT DEVICE AND DISPLAY DEVICE USING THE SAME - A backlight device (12-24-2009
20100226146BACKLIGHT MODULE - A backlight module including a housing, a first reflector plate, a light guide plate, a second reflector plate and at least one light bar is provided. The first reflector plate is disposed on a bottom of the housing, and the light guide plate is disposed within the housing. The light guide plate includes a first optical surface, a second optical surface and a light emitting surface, and the first optical surface is adjacent to the first reflector plate. The second reflector plate is adjacent to the second optical surface of the light guide plate. The light bar is disposed between the first reflector plate and the light guide plate, and the light bar is opposite to the second optical surface.09-09-2010
20120243258LIGHT SOURCE ASSEMBLY AND BACKLIGHT ASSEMBLY HAVING THE SAME - A light source assembly includes a first substrate, a plurality of first light source units mounted on the first substrate and spaced apart from each other by a first distance, a second substrate and a plurality of second light source units mounted on the second substrate and spaced apart from each other by a second distance, each of the second light source units being disposed between the first light source units adjacent to each other.09-27-2012
20100142221Backlight Module and Light Emitting Diode Thereof - A light emitting diode contains a light emitting diode chip and a light directing structure disposed thereon. The light directing structure has a pair of connected hemi-ellipsoids and an interface interposed therebetween. Each hemi-ellipsoid comprises a bottom surface in a shape of an incomplete ellipse and an ellipsoidal surface connected to the bottom surface and the interface, wherein the largest vertical distance from the ellipsoidal surface to the bottom surface is longer than a height of the interface. The bottom surface has a major axis and a minor axis intersected to define a center, wherein the interface is connected to the minor axis.06-10-2010
20100165662BACKLIGHT UNIT - A backlight unit that while attaining cost reduction, realizes inhibiting of a light quantity decrease in the vicinity of an end portion of light guide plate and achieving of an enhancement of light utilization efficiency. Backlight unit (07-01-2010
20100165661Lighting device - A lighting device includes: a light guide plate having a light incident part in an end face and a light radiation part in a flat plate surface; a light source part opposed to the light incident part; a light shield member with which an area near the light incident part on the flat plate surface of the light guide plate is covered; and a switch part including a switch main body, a switch knob and a pressing member connected to the switch knob to press the switch main body by pressing down the switch knob. An end part of the switch knob opposed to a center of the flat plate surface of the light guide plate is located on the light shield member, and the end face of the light guide plate is located between a first virtual line passing the end part of the switch knob and perpendicular to the flat plate surface of the light guide plate and a second virtual line passing the center of the switch main body and perpendicular to the flat plate surface of the light guide plate.07-01-2010
20090116262LIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - Provided are a light unit and a display device having the same. The light unit comprises a light guide member, a board, and a light-emitting module. The light guide member outputs surface tight upward. The light-emitting module comprises the board where a light-emitting devices disposed and a metal plate on a rear surface of the board.05-07-2009
20080304284LIGHTING DEVICE - A lighting device may include light sources at one or two distal ends; wherein LEDs may be used as a light source. The lighting device may comprise a housing, at least one light-entering plane, at least one light-emitting plane and at least one guiding surface attached to the housing. A plurality of guiding blocks are configured and disposed on the guiding surface, and at least one distal end of the guiding surface is adjacent to the light source such that as light travels into and within the housing, light may be reflected and/or deflected by the guiding blocks and exits the housing via the light emitting plane. The illumination area opposite the light emitting plane may therefore receive substantially uniform lighting from the lighting device. The device may further comprise a reflector covering a portion of the guiding surface and a diffuser covering a portion of the light emitting plane.12-11-2008
20080278965Light emitting diode with light emitting chips at inner side surfaces thereof and backlight module using same - An exemplary light emitting diode includes a main body, a red light emitting chip, a green light emitting chip, and a blue light emitting chip. The main body includes two inner side surfaces opposite to each other and a inner bottom surface connected with the side surfaces. The side surfaces and the bottom surface cooperatively define an accommodating space. The red light emitting chip, the green light emitting chip and the blue light emitting chip are positioned at the bottom surface and the side surfaces of the accommodating space, respectively.11-13-2008
20100302805LED BACK-LIGHT UNIT AND DISPLAY DEVICE - A back-light unit including a plurality of substrates, a plurality of light sources respectively disposed on the plurality of substrates and configured to emit light, and N (N ≧2) light guide plates respectively disposed adjacent to the plurality of light sources, each light guide plate including a light incidence part having a light incidence surface for receiving light emitted in a first direction from a corresponding light source, and a light emission part for emitting the received incident light in a second direction different than the first direction. Further, at least one of the light guide plates includes light-extracting surface patterns disposed on the light emission part, and the light-extracting surface patterns comprise a first region of light-extracting surface patterns having a higher pattern-density than a second region of light-extracting surface patterns next to the first region.12-02-2010
20130141942Linear Light Source Module and Optical Touch Device with the Same - A linear light source module includes a mirror light guide component and a light emitting component. The mirror light guide component has a light emitting end, a surface having a mirror light reflecting layer formed thereon and a light incidence end. The light emitting component is configured for providing light to the light incidence end. The mirror light guide component is a light guide bar and is configured for converting the light from the first light emitting component into a linear light when the light emitting component is lighted, and the mirror light guide component is a mirror bar and is configured for providing a mirror function when the light emitting component is closed. An optical touch device with the linear light source module can avoid a blind zone and can be used as a dual-touch device or a multi-touch device.06-06-2013
20100321954LIGHT EMITTING DEVICE AND SURFACE LIGHT SOURCE DEVICE - The light emitting module 12-23-2010
20110110116Optical Arrangement and Production Method - An optical arrangement comprises a light guide and a light source for illuminating the light guide. The light guide comprises a transparent substrate layer and a transparent layer. The light guide has a light extraction surface on a surface of the substrate layer. The transparent layer is arranged on the surface of the substrate layer opposite to the light extraction surface, or the transparent layer is arranged on the light extraction surface of the substrate layer. The transparent layer contains means for improving light extraction. Further, a method for production a light guide is provided.05-12-2011
20090034290Backlight Module - A backlight module includes a light guide plate, at least one first lighting element, and at least one second lighting element. The light guide plate has a first side surface and a second side surface opposite the first side surface. The first lighting element is disposed on the first side surface and has at least three light emitting diodes of different colors. The second lighting element is disposed on the second side surface and has at least three light emitting diodes of different colors. The arrangement of the light emitting diodes of the first lighting element is different from the arrangement of the light emitting diodes of the second lighting element.02-05-2009
20110116285BACKLIGHT MODULE - A backlight module includes a light guide plate, an optical film set, and at least one light emitting element. The light guide plate has a first light-emitting surface, a bottom surface, and a first light incident surface. The optical film set on the first light-emitting surface includes at least one optical film having a second light incident surface, a second light-emitting surface, and a side surface. The side surface of the optical film and the first light incident surface of the light guide plate are at the same side, and at least one notch is disposed on the side surface. The light emitting element is adjacent to the first light incident surface and capable of emitting a light beam. The light beam is capable of entering the light guide plate through the first light incident surface and being transmitted to the optical film set via the first light-emitting surface.05-19-2011
20110075444BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - A side light type backlight includes a light source including a plurality of LEDs, and a light guide plate. One of the end surfaces of the light guide plate is a light incidence surface at which a plurality of R-LEDs, a plurality of G-LEDs and a plurality of B-LEDs are arranged. LEDs satisfy the relationship of: a distribution range of light emitted from G-LEDs03-31-2011
20090091947Surface light source structure of backlight module in a flat panel display - A surface light source structure having a circuit board, a first light emitting diode (LED) array, and a second LED array is provided. The first and second LED arrays are assembled on the circuit board. Each LED rows of the two LED arrays has a plurality of LED units connected in series. The LED rows of the first LED array are connected in parallel. The LED rows of the second LED array are connected in parallel. The LED rows of the second LED array are intersected between the LED rows of the first LED array. Positive-to-negative directions of the LED units of the first and second LED array are arranged in opposite directions.04-09-2009
20100027290BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - A side light type backlight includes a light source including a plurality of LEDs, and a light guide plate. One of the end surfaces of the light guide plate is a light incidence surface at which a plurality of R-LEDs, a plurality of G-LEDs and a plurality of B-LEDs are arranged. LEDs satisfy the relationship of: a distribution range of light emitted from G-LEDs02-04-2010
20110176330BACKLIGHT MODULE AND LIGHT GUIDE PLATE THEREOF - The present invention relates to a backlight module and light guide plate thereof. The light guide plate includes a first surface, a second surface and a side surface. The first surface has a plurality of first regions, a second region and a central line. The second region has a plurality of microstructures outside the first regions. The first regions and the second region are solid. The side surface is disposed between the first surface and the second surface. The first regions are adjacent to the side surface and extend toward the central line, and the first regions are intervally spaced. Whereby, the manufacture step of the light guide plate is simplified, and the manufacture cost of the light guide plate is lowered, and the distribution of the microstructures can reduce the hot spots in front a plurality of point light sources efficiently.07-21-2011
20110176331DISPLAY APPARATUS AND ASSEMBLING METHOD THEREOF - A display including a back cover, a front frame, a display panel, a light guide plate, at least one metal bracket and a light emitting element is provided. The front frame is secured to the back cover to form an accommodating space. The display panel and the light guide plate are disposed in the accommodating space. The light guide plate, which has at least one light incident surface and a light exit surface, is configured between the back cover and the display panel. The light exit surface faces toward the display panel. The metal bracket is disposed at side of the accommodating space. The metal bracket has a first part and a second part connected together. The first part is secured to at least the back cover or the front frame. The light emitting element is between the second part and the light incident surface.07-21-2011
20110103092LIGHT GUIDING PANEL ASSEMBLY FOR DISPLAY, SIGNBOARD, SURFACE ILLUMINATION OR THE LIKE - A light source receiver 05-05-2011
20110249470BACKLIGHT MODULE - A backlight module includes a light guide plate, a back plate, a heat-dissipating element, a light-emitting element, and at least one high-performance heat sink. The heat-dissipating element is disposed adjacent to a light incident surface of the light guide plate, and the heat-dissipating element has a bottom portion and a side portion forming an angle with the bottom portion. The light-emitting element is disposed on one side of the heat-dissipating element facing the light guide plate. The high-performance heat sink is disposed on the back plate, one end of the high-performance heat sink overlaps the heat-dissipating element, and another end of the high-performance heat sink extends away from the light-emitting element.10-13-2011
20110249469LIGHT SOURCE UNIT AND BACKLIGHT ASSEMBLY HAVING THE SAME - Provided are a light source unit including a plurality of light-emitting diode (LED) packages, which are directly electrically connected to each other, and a backlight assembly having the light source unit. The light source unit includes a first LED package and a second LED package which are adjacent to each other, wherein each of the first LED package and the second LED package includes an LED chip, a lead frame which supplies current to the LED chip, and a housing which fixes the LED chip and the lead frame in place, wherein an end of the lead frame of the first LED package directly contacts an end of the lead frame of the second LED package.10-13-2011
20110069510PLANAR LIGHT SOURCE DEVICE - A planar light source device (03-24-2011
20110069511LED BACKLIGHT FOR DISPLAY SYSTEMS - An LED backlight method for display systems comprising receiving a plurality of light emitting diodes categorized into a plurality of bins, wherein each bin references a separate range of white point colors, and determining an optimal order for mounting the plurality of light emitting diodes at spatially distributed positions, the plurality of light emitting diodes comprising white point colors associated with separate bins, wherein the optimal order of the plurality of light emitting diodes produces a light of a desired white point color when the light outputs of the plurality of light emitting diodes are mixed.03-24-2011
20110149602BACKLIGHT UNIT - Disclosed is a backlight unit. The backlight unit includes: 06-23-2011
20110149601LIGHT EMITTING DEVICE AND LIGHT UNIT USING THE SAME - Provided is a light emitting device and light unit using the same. The light emitting device comprises: a body that includes a horizontal surface; an electrode at least partially disposed in the body; two or more mounting parts protruding from the horizontal surface, wherein the two or more mounting parts are separated from each other by a space, and wherein each of the at least two or more mounting parts includes a surface that is inclined relative to the horizontal surface; and two or more light emitting diodes, each mounted on the inclined surface of a corresponding one of the two or more mounting parts and electrically connected to the electrode.06-23-2011
20090021960Luminescent decorating panel assembly and electronic device using the same - A luminescent decorating panel assembly and an electronic device using the luminescent decorating panel are disclosed. The luminescent decorating panel assembly includes a light guide plate, a light source and a reflecting element, and a microstructure is formed on a light exit plane of the light guide plate and applied in the electronic device, and the luminescent decorating panel assembly is disposed between an upper casing and a lower casing of the electronic device, and the microstructure corresponds to a transparent portion of the upper casing, such that when a user views the microstructure on the light guide plate through the transparent portion, a luminescent effect is produced on the electronic device.01-22-2009
20110211366BACKLIGHT MODULE - A backlight module includes a light guide plate having a light incident surface, a light source module, at least one catch member, and a cushion member. The light source module is disposed adjacent to the light incident surface and has at least one light-emitting element, wherein a light beam emitted by the light-emitting element is capable of entering the light guide plate through the light incident surface. The catch member engages with one end of the light source module, wherein the catch member has at least one extension part extending towards the light incident surface of the light guide plate, and the extension part has an end surface facing the light incident surface. The cushion member is disposed between the light guide plate and the light source module and is adjacent to the light incident surface of the light guide plate and the end surface of the catch member.09-01-2011
20080205079Spread illuminating apparatus and display device incorporating same - A spread illuminating apparatus is provided which includes: a light conductor plate having a light inlet surface and two major surfaces; a light source unit disposed at the light inlet surface of the light conductor plate; and a light diffuser pattern disposed at the lower major surfaces of the two major surfaces of the light conductor plate, wherein the light source unit includes first and second white light sources which have respective different light emitting principles, are arranged in the width direction of the light conductor plate with their respective ends set close to one another, and which can be turned on and off independently of each other.08-28-2008
20110164435SIDE VIEW SURFACE MOUNT LED - A light emitting diode is disclosed. The diode includes a package support and a semiconductor chip on the package support, with the chip including an active region that emits light in the visible portion of the spectrum. Metal contacts are in electrical communication with the chip on the package. A substantially transparent encapsulant covers the chip in the package. A phosphor in the encapsulant emits a frequency in the visible spectrum different from the frequency emitted by the chip and in response to the wavelength emitted by the chip. A display element is also disclosed that combines the light emitting diode and a planar display element. The combination includes a substantially planar display element with the light emitting diode positioned on the perimeter of the display element and with the package support directing the output of the diode substantially parallel to the plane of the display element.07-07-2011
20110164434LIGHT EMITTING ASSEMBLY - A light emitting assembly comprises first and second segmented light guide structures. The first segmented light guide structure comprises first light guide elements physically connected at one end to a first common backbone member. The second segmented light guide structure comprises second light guide elements physically connected at one end to a second common backbone member. The common backbone members define a fixed separation between adjacent ones of the light guide elements. LED light sources are positioned adjacent the common backbone members such that each of the light guide elements receives light from at least one of the LED light sources. The first segmented light guide structure and the second segmented light guide structure are arranged with the first light guide elements interdigitated with the second light guide elements, with sufficient separation between the first light guide elements and between the second light guide elements to provide air gap boundaries between adjacent first and second light guide elements to reduce the amount of light cross talk therebetween and to form a substantially contiguous light emitting surface.07-07-2011
20110164433OPTICAL ASSEMBLY, BACKLIGHT UNIT HAVING THE SAME, AND DISPLAY APPARATUS THEREOF - The backlight unit may include a plurality of optical assemblies, which each include a light emitting module having a substrate, a plurality of light emitting devices on a top surface of the substrate, and a connector provided on a bottom surface of the substrate and electrically connected to a power supply unit. The optical assembly may also include a light guide plate including a first part through which the light is received and a second part to output the light, which is laterally received from the first part, through a top surface thereof. A first side cover may be provided over the light emitting module and the first part of the light guide plate. A second side cover may be formed under the light emitting module and the light guide plate, the second side cover having a plurality of connector holes. The connector may be provided in one of the connector holes.07-07-2011
20100214804BIFACIAL LIGHT EMITTING BACKLIGHT - A light guide plate has a main-side microprism array sheet (main-side MPA sheet) 08-26-2010
20120147625LIGHT SOURCE MODULE AND BACKLIGHT MODULE - A light source module and a backlight module therewith are disclosed. The light source include includes a circuit board and a light-emitting diode disposed on the circuit board. The light-emitting diode includes a package unit and a conductive support. The package unit includes an insulation housing, a heat-dissipating support embedded in the insulation housing, and a light-emitting diode chip disposed on the heat-dissipating support and encapsulated by the insulation housing. The light-emitting diode chip includes two electrodes, which are isolated form the heat-dissipating support. The insulation housing thereon defines a light-out surface. The conductive support is disposed on an exterior side surface of the insulation housing and connected to the heat-dissipating support to protrude out the light-out surface. Thereby, the protruding conductive support is also isolated from the two electrodes so as to perform ESD protection for avoiding unexpected damage to the light-emitting diode and extending service life thereof.06-14-2012
20100195350Modular LED light device - A modular lighting device may include A frame housing, a light emitting panel cooperating with the frame housing to emit light, an edge lighting device to be positioned along an edge of the light emitting panel to provide light to the light emitting panel, a film member including indicia to be displayed, and a modular member to cooperate with the frame housing and the film member. The modular member may be detachably connected to the frame housing. The edge lighting device may include an LED, and the edge lighting device may include an array of LEDs. The light emitting panel may include a depression to transmit the emitted light, and the module member may include a fastener to fasten to the frame housing. The fastener may be L-shaped, and the module member may include a top extending portion and a bottom extending portion to cooperate with the top extending portion to form a substantially continuous surface.08-05-2010
20110149603DEVICE FOR COLLIMATING, MAKING UNIFORM AND EXTRACTING LIGHT FOR LIGHTING A DISPLAY DEVICE - Lighting system for a data display device (06-23-2011
20100020568PLANAR LIGHTING DEVICE - It is an object to provide a planar lighting device that is a thin and light in weight, that emits light without luminous unevenness and that is capable of achieving increased dimensions.01-28-2010
20110216556BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A display apparatus includes a light guide plate guiding a light, a light source arranged in a side portion of the light guide plate to generate the light, a display panel receiving the light from the light guide plate to display an image, a frame including a sidewall and a support part extended from the sidewall to support the display panel, and an optical member arranged between the light guide plate and the display panel to control a path of the light exiting from the light guide plate. The optical member includes a first side portion and a second side portion, a side surface of the first side portion faces a side surface of the support part, and the second side portion is positioned between the support part and the light guide plate.09-08-2011
20120307523LIGHT SOURCE DEVICE AND DISPLAY DEVICE - Provided is a light source device capable of minimizing or preventing a decrease in amount of light emitted from portions in the vicinity of a locking member of a light guide plate, and capable of making intensity distribution in a plane of light emitted from the light guide plate uniform. The light source device includes a light guide plate 12-06-2012
20100214803Led light source and image reading apparatus - The present invention provides an LED light source optimal as a light source of image reading apparatuses, and the light source is used in an image reading apparatus comprised of a platen for mounting a read original, a light source for lighting the read original mounted on the platen, a lens means for condensing reflected light from a main scanning line of the read original lighted by the LED light source, and a light-receiving means for receiving the reflected light from the main scanning line of the read original condensed by the lens means, and has an LED that is a light-emitting source, and a light guide for reflecting the light of the LED by an inner surface thereof to diffuse in the shape of the main scanning line, where the LED is disposed in an end portion in the main scanning line direction of the light guide, the light guide has an inner surface opposed to a light-emitting surface of the LED forming a curved reflecting surface for reflecting in the main scanning line direction, the LED is disposed out of a critical angle region at the end in the main scanning line direction of the curved reflecting surface, the light guide has a plurality of reflecting surface bodies spaced at predetermined pitches in the main scanning line direction with the bodies surface-opposed to the LED side inside an inner surface reflection optical path of the light guide to reflect the light of the LED toward the outside of the light guide along the main scanning line, and a length in the perpendicular direction to the main scanning line direction of each of the reflecting surface bodies is adjusted corresponding to a light amount to reflect.08-26-2010
20120147626BACKLIGHT MODULE - The backlight module includes a holder having a holder sidewall, a light source disposed on the holder, a light guide plate, and a frame. An end of the light guide plated is fixed on the holder. The frame has a frame sidewall. The holder is assembled on the frame, wherein a gap is formed between the holder sidewall and the frame sidewall, and the gap is utilized as a buffer space of the deformation of the light guide plate.06-14-2012
20120099341BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - In a backlight assembly and a display apparatus having the backlight assembly, the backlight assembly includes a back cover configured to accommodate and retain a light source mounted on a circuit substrate into a receiving cavity of the back cover. Heat generated by the light source may be effectively transmitted to the back cover, thereby preventing temperature in the backlight assembly from increasing.04-26-2012
20120044715BACKLIGHT MODULE AND DISPLAY DEVICE HAVING THE SAME - A backlight module includes a light guide plate, at least one first light source, and at least one second light source. A first light incident surface and a second light incident surface are alternately arranged on a light incident side of the light guide plate and form an angle with each other. The first light source is disposed adjacent to the first light incident surface, and a light beam emitted by the first light source is guided towards a left half of the light guide plate. The second light source is disposed adjacent to the second light incident surface, and a light beam emitted by the second light source is guided towards a right half of the light guide plate. The first light source and the second light source are alternately turned on and off in succession.02-23-2012
20110063874PROJECTION LENS FOR LIGHTING EQUIPMENT AND LIGHTING EQUIPMENT USING PROJECTION LENS FOR LIGHTING EQUIPMENT - A projection lens for lighting equipment of an aspect of the present invention is characterized by formed in a shape where N of sector-shaped lens parts each of which corresponds to a central angle 2α degrees (α=180/N, N is an integer more than or equal to 3) and is bilaterally symmetric in a rotationally asymmetric elliptical collimator lens are circumferentially disposed. The projection lens for lighting equipment of such aspect is formed in the shape where N of the sector-shaped lens parts each of which corresponds to a central angle 2α degrees (α=180/N, N is an integer more than or equal to 3) and is bilaterally symmetric in the rotationally asymmetric elliptical collimator lens are circumferentially disposed. Accordingly, the projection lens for lighting equipment with a novel design which has a shape of a N-sided polygon (e.g. quadrilateral) in planar view or a shape similar to the N-sided polygon and has common edges (N edges) formed on a surface without impairment in function as a collimator lens can be configured.03-17-2011
20120057369LIGHT EMITTING STRUCTURE FOR BACKLIGHTED SIGN - There is provided a light emitting assembly for a backlighted sign. The assembly may include first and second light emitting units configured to emit light in corresponding first and second directions into edges of first and second adjacent light guide plates. The assembly may also include a third light emitting unit configured to emit light in a direction substantially transverse to the first and second directions into a backlightable sign panel. Light emitting units are slidably insertable and slidably removable.03-08-2012
20120014134BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The display apparatus comprises the backlight module and a display panel. The backlight module comprises a light guide plate and a light source. The light guide plate has an out light surface. The light source is positioned at a side of the light guide plate, wherein the light source comprises a light source out light surface, and a predetermined angle exists between the light source out light surface and the out light surface of the light guide plate. The present invention is capable of promoting the light leakage issue.01-19-2012
20120026753ILLUMINATION DEVICE AND DISPLAY APPARATUS USING THE SAME - An illumination device for guiding light rays from a light-emitting diode (LED) module toward a light guide plate to thereby perform planar illumination is disclosed. The illumination device includes a printed circuit board with a plurality of LED elements attached thereto. The circuit board has two or more positioning bosses which are attached in the same process as that of the LEDs. While letting the positioning bosses be tightly coupled with corresponding holes provided in the light guide plate, the circuit board and the light guide plate are adhered and fixed together, thereby accurately retaining the positional relationship between the LEDs and the light guide plate.02-02-2012
20120026752BACKLIGHT MODULE AND ELECTRONIC DEVICE USING THE SAME - A backlight module includes a support frame, two light sources, and a light guide film. The support frame includes a support portion and a fixing portion connected to an edge of the support portion, and the support frame defines at least one receiving groove. Each light source includes a light output surface and is received in the support frame. The light guide film includes two light input surfaces at the opposite ends thereof and two light guide portions connected with the light input surfaces. The light input surfaces of the light guide film face the light output surfaces of the light sources.02-02-2012
20120127757ACRYLIC FILM FOR PUNCHING, SURFACE LIGHT-SOURCE DEVICE AND PROCESS FOR MANUFACTURING OPTICAL MEMBER - Provided is an acrylic film for punching excellent in transparency and free from breakage or whitening even if it is punched. The present invention is an acrylic film for punching containing a polymer (C) containing a di(meth)acrylate (A) unit represented by general formula (1) below and a mono(meth)acrylate (B) unit:05-24-2012
20110090713FLEXIBLE BACKLIGHT MODULE - A flexible backlight module includes a light source module and a flexible light guide panel, wherein the flexible light guide panel has a light incident surface, a light reflecting surface, and a light outgoing surface. The light incident surface of the flexible light guide panel is directly connected and thereby optically coupled to the light source module so that the light emitted by the light source module can be completely coupled to the flexible light guide panel. Consequently, the loss of light is reduced while the luminous efficiency of light is increased. Light entering the flexible light guide panel is reflected by the light reflecting surface to the light outgoing surface and then projected outward. The flexible light guide panel can be curved as needed thanks to its flexibility and thus features a wide application range.04-21-2011
20110090712PORTABLE COMPUTER DISPLAY HOUSING - A display housing for a portable computing device that utilizes a plastic cover bonded to an internal metal frame is described. To account for thermal cycling issues and in particular to prevent bond slippage, multiple types of adhesives are employed to join the metal frame and the plastic cover. In particular, a very high bond (VHB) adhesive material is used in certain areas to bond the metal inner frame to the plastic cover and a liquid adhesive is used in other areas. The plastic cover can be translucent to light. A method of coating the plastic cover to block light, such as from a backlight used for the display, is described.04-21-2011
20100172153ILLUMINATION SYSTEM FOR LUMINAIRES AND DISPLAY DEVICES - The invention relates to an illumination system (07-08-2010
20110103093LIGHT SOURCE MODULE - A light source module includes a light bar and a stiffened bar. The light bar includes a flexible circuit strip and a plurality of light sources. The light sources are disposed on the flexible circuit strip along an extension direction of the flexible circuit strip. The stiffened bar overlaps the flexible circuit strip and is disposed on a face of the flexible circuit strip having the light sources. The stiffened bar surrounds at least one side of each light source and exposes the light sources. The rigidity of the stiffened bar is larger than the flexible circuit strip.05-05-2011
20130016527LIGHT GUIDE FOR BACKLIGHT - The present invention provides a light guide for an electronically addressable display (such as an LCD) that mixes optical signals from a plurality of emitters, and mixes these signals to produce, for positions on the display, position-unique signals. A stylus or other receiving device may determine its position relative to the electronically addressable display by analyzing the position-unique signals.01-17-2013
20130016528ENHANCED COLOR GAMUT LED BACKLIGHTING UNIT - A method for operating a backlighting unit adapted for illuminating a printed graphic with light emitted from an illumination surface of a light guide. The method includes the step of arranging a plurality of LEDs so that light emitted therefrom impinges upon an input surface of the light guide. The method specifically requires that the LEDs emit light that is roughly equivalent to solar illumination of 6500K CCT yet enhanced in the blue and the red portions of the spectrum thereby producing light in the range of 7500K CCT to 9000K CCT.01-17-2013
20100290251Illumination apparatus - An illumination apparatus includes a light guide plate, a first light source module, and a second light source module. The light guide plate has a first incident surface and a second incident surface opposite to the first incident surface. The first and the second light source modules provide light beams into the first and the second incident surfaces, respectively. The first light source module includes at least one first white light emitting diode (LED) and at least one second white LED neighboring with each other. The first and the second white LEDs have different color temperatures. The second light source module includes at least one third white LED and at least one forth white LED neighboring with each other. The third and the forth white LEDs have different color temperatures. The third and the forth white LEDs are located corresponding to the second and the first white LEDs, respectively.11-18-2010
20120127756LIGHTING MODULE - A lighting module may be provided that includes a first and a second light sources, both of which are disposed opposite to each other; a first case including the first light source; a second case including the second light source; and an optical plate of which one side is connected to the first case and the other side is connected to the second case and on which light from the first and the second light sources is incident, wherein at least the first and/or the second light sources includes a light emitting diode (LED).05-24-2012
20120163026LIGHT-EMITTING DIODE PACKAGE, LIGHT SOURCE MODULE HAVING THE SAME AND BACKLIGHT ASSEMBLY HAVING THE SAME - A light-emitting diode (“LED”) package includes a light-emitting chip, a case, first and second lead frames and a dummy lead frame. The light-emitting chip generates light. The case includes a bottom portion and a plurality of sidewalls, wherein the light-emitting chip is positioned in the case. The first and second lead frames are spaced apart from each other and are electrically connected to the light-emitting chip. The dummy lead frame is spaced apart from the light-emitting chip and the first and second lead frames, and is electrically isolated from the light-emitting chip and the first and second lead frames. The dummy lead frame is used as a wiring for connecting the LED package to another LED package, so that the number of signal wirings or a length of a signal wiring may be decreased, and a manufacturing cost of the LED package may be reduced.06-28-2012
20120163025LIGHT GUIDE APPARATUS FOR A BACKLIGHT MODULE AND FABRICATING METHOD THEREOF - A light guide apparatus for a backlight module is provided. The light guide apparatus comprises a light guide plate and a light source module. The light guide plate is configured with a circuit contact. The light source module is integrated with the light guide plate in contact with the circuit contact. Besides, a method of fabricating a light guide apparatus for a backlight module is also provided with simpler process and lower fabrication cost.06-28-2012
20100208495LIGHT SOURCE AND DISPLAY DEVICE HAVING THE SAME - A display device including a light unit is provided. The light unit may include a light guide plate, a light emitting module, and a color coordinate conversion sheet. The light emitting module may include a plurality of light emitting diodes configured to emit light to a side of the light guide plate. The color coordinate conversion sheet may be positioned on the light guide plate to convert a color coordinate distribution of the light emitted by the light emitting module to a color coordinate distribution that falls within a target distribution range.08-19-2010
20100208494Light Guiding Device and Thin Display Comprising the Same - A light guiding device and a thin display comprising the same are disclosed. The thin display comprises a light guiding device, a panel, and a frame. The frame comprises two arc-shaped frames opposite each other and two side frames opposite each other. The light guiding device comprises a light guiding plate and a light source device. The light guiding plate comprises an upper curve surface, a lower curve surface, a first arc-shaped plane, and a second arc-shaped plane. Two edges of each of the upper and the lower curve surfaces are connected with the first arc-shaped plane and the second arc-shaped plane respectively. The light source device is disposed between one of the first and the second arc-shaped planes and one of two arc-shaped frames. The panel is disposed in the frame and above the light guiding device.08-19-2010
20110182085LED MODULE AND BACKLIGHT UNIT HAVING THE SAME - There is provided an LED module, including a bar type circuit substrate formed with at least one groove so as to have a reflecting cup; a plurality of LED chips disposed in the groove of the circuit substrate and linearly arranged in a longitudinal direction of the circuit substrate; and a phosphor film spaced apart from the LED chips and disposed on the circuit substrate to cover the entire groove.07-28-2011
20120170313LIGHT GUIDE APPARATUS FOR A BACKLIGHT MODULE - A light guide apparatus for a backlight module is provided. The light guide apparatus comprises a light guide plate and an electrical component. The light guide plate is configured with a circuit thereon. The electrical component is attached to the light guide plate and electrically coupled to the circuit. The light guide apparatus integrates a light guide panel, a circuit and an electrical component together for obtaining simpler structure and lower cost.07-05-2012
20120075887LIGHT REDIRECTING FILMS AND FILM SYSTEMS - A light emitting assembly comprises a light source and a light emitting panel member having a panel surface and an input edge for receiving light from the light source. On or in the panel surface is a pattern of individual light extracting deformities. Each of the deformities has a well defined shape and a length and width substantially smaller than the length and width of the panel surface. At least some of the deformities have only two surfaces, each having opposite peripheral edge portions that intersect each other and intersect the panel surface. One of the surfaces of the deformities is substantially perpendicular to the panel surface and is curved in a transverse direction. The other surface of the deformities is a sloping surface.03-29-2012
20130182457LIGHTING ASSEMBLY WITH STATIC AUTOSTEREOSCOPIC IMAGE OUTPUT - A lighting assembly includes a light guide in which light propagates by total internal reflection between opposed major surfaces. The light guide receives light generated by two light sources at opposed light input edges of the light guide. The light guide includes light extracting elements that respectively extract light to form a left eye image at a first region and a right eye image at a second region. The left eye and right eye images, when viewed by a viewer, form a static autostereoscopic image.07-18-2013
20120224393LED BACKLIGHT MODULE - Disclosed herein is an LED backlight module, which includes a metallic plate, a metallic sidewall, a connecting portion, a light guide and an LED ribbon. The metallic sidewall is substantially perpendicular to the metallic plate and located beside a side edge of the metallic plate. The metallic side-plate has a lower edge extending downwards to a position beneath a lower surface of the metallic plate. The connecting portion extends in a direction towards the side edge of the metallic plate from the lower edge of the metallic sidewall, and is further connected to the side edge of the metallic plate. The light guide is disposed above the metallic plate, and the LED ribbon for emitting a light into the light guide is disposed on the metallic sidewall.09-06-2012
20120257415PLANAR WHITE ILLUMINATION APPARATUS - In one aspect, an illumination structure includes a substantially non-fiber waveguide, which itself includes a discrete in-coupling region for receiving light, a discrete propagation region for propagating light, and a discrete out-coupling region for emitting light.10-11-2012
20120081924LIGHT EMITTING PANEL ASSEMBLIES - An optical assembly comprises light sources and a light emitting panel member having an input edge to which each of the light sources is optically coupled at a different location along the input edge. Different sets of individual optical deformities on or in at least one of the sides of the panel member each have at least one surface that is shaped or oriented to extract light propagating in the same direction through the panel member in different directions for viewing from different angles through one of the sides of the panel member.04-05-2012
20120081923LIGHT EMITTING DIODE LAMP - A light emitting diode lamp including a back plate, at least one cover, a light guide plate, at least one magnetic element, and a light emitting diode light source is provided. The cover is fixed to the back plate. The light guide plate is disposed on the back plate, and a part of the light guide plate is sandwiched between the back plate and the cover. The magnetic element is disposed on the back plate and sandwiched between the back plate and the cover. The light emitting diode light source is disposed at a side of the light guide plate.04-05-2012
20090016077Light Guiding Member and Linear Light Source Apparatus Using Same - A light guide member of the present invention is made of a light transmitting material. The light guide includes a light emitting surface 01-15-2009
20100238687SEMICONDUCTOR LIGHT EMITTING DEVICE - A semiconductor light emitting device of what is called a side view type can achieve directional characteristics having substantial symmetry with respect to an optical axis. The semiconductor light emitting device can emit light in a direction substantially parallel to a surface on which the semiconductor light emitting device is to be held. The semiconductor light emitting device can include a semiconductor light emitting element emitting light in a light emitting direction parallel to the surface on which the semiconductor light emitting element is to be held, a base substrate having a main surface on which the semiconductor light emitting device is held, the main surface being parallel to the surface on which the semiconductor light emitting device is to be held. The base substrate can have a cutoff portion defined forward of the semiconductor light emitting element in the light emitting direction and in a position in which light emitted from the semiconductor light emitting element crosses the main surface. A light-transmitting first sealing resin can be provided on the base substrate, to bury the semiconductor light emitting element while filling the cutoff portion. The light emitted from the semiconductor light emitting element can travel through the cutoff portion.09-23-2010
20120087150BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - A side light type backlight includes a light source including a plurality of LEDs, and a light guide plate. One of the end surfaces of the light guide plate is a light incidence surface at which a plurality of R-LEDs, a plurality of G-LEDs and a plurality of B-LEDs are arranged. LEDs satisfy the relationship of: a distribution range of light emitted from G-LEDs04-12-2012
20120087149ULTRA-THIN LIGHT GUIDE FOR CLUSTER GAUGE ILLUMINATION OVER DISPLAY STRUCTURES - An ultra-thin light guide assembly includes a light guide having a maximum thickness of one millimeter, a light source disposed adjacent a portion of the light guide to emit light rays into the light guide, a reflective material disposed on at least a portion of a first side of the light guide to maximize an internal reflection of the light rays in the light guide, a light extraction feature integrated with the light guide to direct light rays through a second side of the light guide, and a flexible circuit disposed adjacent at least a portion of the light guide, the light source in electrical communication with the flexible circuit to selective energize the light source.04-12-2012
20110292683BACKLIGHT UNIT - There is provided a backlight unit. The backlight unit includes a light guiding plate, a light source module including a substrate provided with a circuit wiring and a plurality of light emitting diode (LED) blocks each including one or more LED mounted on the substrate to be positioned vertically with respect to the substrate, the one or more LED being disposed to face a side surface of the light guiding plate, a bottom chassis including a base and a sidewall upwardly extending from a circumference of the base, and accommodating the light source module and the light guiding plate in such a manner that the one or more LED is disposed to be adjacent to the sidewall, and a driving unit controlling a current signal applied to each of the plurality of LED blocks to thereby control brightness for each LED block.12-01-2011
20120092892LED LIGHT BOARD - Disclosed is a light emitting diode (LED) light board. The LED light board includes: a light guide panel (LGP) shaped as a rectangle; an LED module disposed at a lateral side of the LGP and including a plurality of LEDs; a first frame having the LED module embedded therein and coupled to one side of an edge of the LGP; a second frame coupled to the other side of the edge of the LGP perpendicular to both ends of the first frame; and a corner finishing end on which the first frame and the second frame are connected to each other and corners of the first frame and the second frame are finished. The first and second frames include a sidewall formed at one edge of the LGP, an upper wing bent on an end of a sidewall, and a lower wing bent on the other end of the sidewall.04-19-2012
20110157915PDT Magnifier Camera Illumination - A device that enlarges text and images to enable a low vision person to see the text and images includes a hollow structure including a top housing and a bottom housing that are connected to one another. A camera aperture is formed in the bottom housing and a transparent light guide lens is disposed in closing relation to the camera aperture so that all light entering the camera aperture must first pass through the light guide lens. A cavity formed in the light guide lens is bounded by walls that are positioned at a critical angle. Light-emitting diodes are positioned at critical locations about the periphery of the light guide lens to illuminate the object being viewed.06-30-2011
20130021822Optical Waveguide Plate Comprising Phosphorus-Containing Structure Elements - The invention relates to an optical waveguide plate having a first flat side (01-24-2013
20130021821LIGHT GUIDE PLATE AND BACKLIGHT ASSEMBLY INCLUDING THE SAME - A backlight assembly includes a first light source unit including n light emitting members; and a light guide plate including a first side adjacent to the first light source unit, and a first groove adjacent to a first end of the first side.01-24-2013
20080247191Thin and flexible light guide element - The subject invention provides a thin and flexible light guide element, which comprises a first optical layer composed of a flexible transparent material; a second optical layer formed on the lower side of the first optical layer and having a light-adjusting structure to change the light path; and a third optical layer formed on the upper side of the first optical layer and having a convex-concave structure to homogenize the light emitted from the first optical layer, wherein the first and second optical layers have different refractive indices.10-09-2008
20080239752Light emitting diode having electrodes with branches and backlight module using same - An exemplary light emitting diode (10-02-2008
20130141941Large Area Light Source - A large area light source includes a narrow space of several millimeters long arranged between adjacent ends of circuit boards of LED bars that are arranged in series in their longitudinal direction, and one end or both ends of a connecting pin is attached movable in its longitudinal direction to a coupling terminal arranged on an end of the circuit board of the LED bar, the LED bar is attached movable in its longitudinal direction to its holder. Even if deformation of distortion, bending, or strain is induced by transportation, installation, or use of the area light source, the movable LED bar as well as the connecting pin absorbs expansion and contraction stress working between the adjacent ends of the circuit boards to securely prevent such breaking of wire incurred by use of a plurality of divided LED bars.06-06-2013
20130141940LED Light Bar and Backlight Module of Liquid Crystal Display Device - The present invention provides an LED light bar and a backlight module of liquid crystal display device. The LED light bar of liquid crystal display device includes: a metal core printed circuit board and an LED chip mounted on the metal core printed circuit board. The metal core printed circuit board includes a metal substrate, an insulation layer formed on the metal substrate, and a circuit formed on the insulation layer. The LED chip has leads to electrically connect with the circuit. The insulation layer forms a hollow portion corresponding to the LED chip. The LED chip is received in the hollow portion and the LED chip has an undersurface engaging the metal substrate. The present invention has a simple structure, is easy to manufacture, and makes an LED light bar showing improved heat dissipation performance.06-06-2013
20130176749DISPLAY DEVICE AND INPUT DEVICE WITH MULTI PATTERN LAYERS - The present invention discloses an input device with multi pattern layers including an input interface, a first light emitting element for generating a first light beam, a first light guiding plate, a second light emitting element for generating a second light beam, a second light guiding plate, a first circuit board and a second circuit board. The input interface is stacked on the first light guiding plate, and the first light guiding plate is stacked on the second light guiding plate, such that a first space and a second are formed individually at the two ends of the first light guiding plate and the second light guiding plate. The first circuit board and the second circuit board block the first light beam and the second light beam individually by inserting into the first space and the second space individually.07-11-2013
20120250353MANUFACTURING METHOD FOR LIGHT GUIDE PLATE, LIGHT GUIDE PLATE, BACK LIGHT DEVICE, ILLUMINATION DEVICE, AND PARTITION PLATE DEVICE - It is an object to provide a partition plate device capable of rendering a light guide plate function as a transparent member likewise a window plate and as a light shielding member used as an area light source having a prescribed pattern. The invented partition plate device includes a light guide plate having, on double sides as major surfaces thereof, plural recess pattern scars formed partly melting through vibration of ultrasound under contacting fabrication dots provided in a matrix shape at an ultrasound fabrication horn to major surfaces thereof with pressure; and a light source unit rendering light enter from a side surface of the light guide plate and diffused light occur from the recess pattern scars, wherein the light guide plate functions as a transparent member while no light enters from the light source unit and functions as a light shielding member made of an area light source having a prescribed pattern formed with the recess pattern scars while light enters from the light source unit.10-04-2012
20130114299DISPLAY DEVICE - Provided is a display device. The display device includes a light guide plate, a light source disposed on a side surface of the light guide plate, a light conversion member disposed between the light source and the light guide plate, and a first adhesion member closely attached to the light guide plate and the light conversion member. An air layer between the light source and the light guide plate is removed by the first and second adhesion members to improve light incident efficient into the light guide plate.05-09-2013
20130100701LIGHT GUIDE PLATE AND BACKLIGHT MODULE INCLUDING SAME - A light guide plate includes a light incident surface and a plurality of micro cylinders protruding from the light incident surface in parallel. Each of the micro cylinders has a circumference surface and two opposite end surfaces. The circumference surface is connected to the light incident surface. The two end surfaces are positioned on two opposite ends of the circumference surface, and are perpendicular to the light incident surface. Each of the two end surfaces is circular arc-shaped, and the radius of each of the two end surfaces is in the range of 0.04 μm to 0.07 μm.04-25-2013
20130114298BACKLIGHT AND DISPLAY DEVICE - Embodiments of the present invention disclose a backlight and a display device, to reduce the number of LEDs in a backlight, save costs, while avoiding dark areas appearing on the screen, so as to ensure display effect. The backlight comprises a first light guide plate and at least one light-emitting diode assembly, and the light-emitting diode assembly is located on one side of the first light guide plate. The light-emitting diode assembly comprises a second light guide plate, at least one light-emitting diode and a reflective film, wherein the at least one light-emitting diode is located on at least one side of the second light guide plate, and the reflective film is located on at least one side of the second light guide plate.05-09-2013
20130128618Back Frame and Backlight System - The present invention provides a back frame of flat panel display device, which includes primary assembling pieces, secondary assembling pieces, and a bracing piece for fixing a circuit board. The primary assembling pieces have a number of at least two, and the at least two primary assembling pieces are connected through joining to form a main frame structure of the back frame. The secondary assembling pieces are joined to the primary assembling pieces. According to practical needs of the main frame structure, different materials are used for different parts at different locations. The back frame is provided with the bracing piece for fixing a circuit board, and the bracing piece includes a bracing body, a first suspension section, a first bearing section, and a first resilient bent section. The present invention also provides a backlight system. The back frame and the backlight system of the present invention have a back frame having a simple structure, overcome the problem that a circuit cannot be easily fixed, reduce the expenditure of a back frame mold, and save the material used for back frame so as to lower down the cost of flat panel display device.05-23-2013
20130135900LIGHT SOURCE APPARATUS OF BACKLIGHT MODULE - A light source apparatus includes a light guide plate, a number of optical fibers, at least two first light emitting diodes, and at least two second LEDs. Each fiber has a light exiting surface facing the light guide and at least two light entrances at both ends of the fiber. The second LEDs are located on both sides of the light guide plate. Light generated by the first LEDs has a wavelength longer than that generated by the second LEDs. The light generated from the first LEDs enters the light guide plate after travelling through the optical fiber to mix with the light generated from the second LEDs to provide a good color rendering property of the light generated by the light source.05-30-2013
20110211367REFLECTIVE PLATE, PLANAR LAMP AND PLANAR LAMP FIXTURE INCLUDING THE SAME - A directional prism reflective plate includes a prism surface (09-01-2011
20100309685LIGHT EMITTING PANEL ASSEMBLIES - Optical assembly comprises a light emitting panel member having opposite sides and an input edge for receiving light from light sources optically coupled to a different location along the input edge. On or in at least one of the sides of the panel member is a pattern of individual optical deformities that are varied throughout the pattern and shaped or oriented throughout the pattern to extract light propagating through the panel member in different directions for viewing from different angles through one of the sides of the panel member.12-09-2010
20120275191BACKLIGHT MODULE AND LIGHT-BAR FIXING STRUCTURE THEREOF - The present invention provides a backlight module and a light-bar fixing structure thereof. The light-bar fixing structure of the backlight module is mounted on a sidewall of a rack of the backlight module. The light-bar fixing structure has a plurality of clamping arms that are arranged side by side as a row of teeth and is capable of stably clamping and positioning a light bar of the backlight module. Thus, the light bar can be fixed on the rack without fastening through screws or thermally conductive adhesive tapes, so that mounting and dismounting are both convenient and fast. And dismounting process of the light bar does not need to dismount other components of the backlight module, such that other components of the backlight module can be prevented from being polluted during the dismounting process.11-01-2012
20100315835LEAD FRAME, LIGHT EMITTING DIODE HAVING THE LEAD FRAME, AND BACKLIGHT UNIT HAVING THE LIGHT EMITTING DIODE - An LED includes a light-emitting chip, a metal member, and a housing. The light-emitting chip generates light. The light-emitting chip is arranged on the metal member. The housing is combined with the metal member to fix the metal member. The housing has an opening portion exposing at least a portion of the light-emitting chip and the metal member. The metal member includes a base metal layer, a light-reflecting layer arranged on the base metal layer, and a protection layer arranged on the light-reflecting layer and including a metal.12-16-2010
20100315834LIGHT EMITTING DIODE PACKAGE, AND BACKLIGHT UNIT AND DISPLAY DEVICE USING THE SAME - A light emitting diode package may be provided that includes a light emitting diode chip and a heat sink. Heat generated from the light emitting diode chip may be radiated to the outside using the heat sink.12-16-2010
20130155722LIGHT GUIDE PLATE AND EDGE LIGHT BACKLIGHT DEVICE - An edge light backlight device includes a light guide plate having a base portion and microstructures, LEDs, and a reflective plate. The base portion has a light emitting side, a rear side, and a light incident side. The microstructures are formed on one of the light emitting side and the rear side and each of which extends from the light incident side in a longitudinal direction. Each of the microstructures includes a curved surface with a radius of curvature (R). The light guide plate has a thickness (T). R/T ratio ranges from 0.04 to 0.15 and each of the microstructures has a height ranging from 20 μm to 300 μm so that the light guide plate has a performance of local lighting ranging from 1% to 40%.06-20-2013
20120020114BACKLIGHT STRUCTURE - A liquid crystal display apparatus (01-26-2012
20120020113BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The backlight module comprises a light guide plate, a base, a first light emitting diode and a second light emitting diode. The base is disposed at one side of the light guide plate. The first light emitting diode is disposed on a first arrangement surface of the base. The second light emitting diode is disposed on the second arrangement surface of the base. The distance between the first light emitting diode and the bottom surface is longer than the distance between the second light emitting diode and the bottom surface. The present invention can improve color shifting defect and coupling effect of the light emitting diodes.01-26-2012
20130194824BACKLIGHT STRUCTURE AND METHOD FOR MANUFACTURING THE SAME - A backlight structure includes a light source module and a light guiding plate. The light source module includes a circuit board, a lighting unit arranged on the circuit board, and a hollow baffle plate surrounding the lighting unit. The circuit board defines a groove in a surface thereof, and a bottom end of the baffle plate is embedded in the groove. The lighting unit is located between the light guiding plate and the circuit board, and the light guiding plate is disposed on the baffle plate. A method for manufacturing the backlight structure is also provided.08-01-2013
20120033447BACKLIGHT UNIT - Provided is a device including a backlight unit including a LED-mounted board having LEDs as a backlight source, a light guide plate to which the LEDs are disposed to face, and which has a light receiving surface to which light from the LEDs incidents and an emission surface from which the incident light is output, and a frame which holds the light guide plate. The frame 02-09-2012
20120069598EDGE-TYPE BACKLIGHT MODULE - An edge-type backlight module includes a light guide plate and at least one linear light source. The light guide plate has at least one light-incident sidewall, and the linear light source is substantially parallel to the light-incident sidewall. The linear light source includes a carrier and a plurality of solid-state light-emitting devices. The carrier is equally divided into a first, a second, a third, a fourth, and a fifth device mounting regions sequentially arranged along an extending direction of the carrier. The solid-state light-emitting devices are mounted on the device mounting regions and electrically connected to the carrier. An arrangement pitch of the solid-state light-emitting devices on the fourth device mounting region of the device mounting regions is greater than an arrangement pitch of the solid-state light-emitting devices on the other four device mounting regions.03-22-2012
20120081922BACKLIGHT MODULE - A backlight module includes a light guide plate, a first light module, and a second light module. The light guide plate includes first troughs and second troughs on opposite sides. The first light module includes a first substrate and first LEDs thereon. An opaque element is disposed on each first gap between two adjacent first LEDs, each first LED is embedded in one first trough. The second light module includes a second substrate and second LEDs thereon. An opaque element is disposed on each second gap between two adjacent second LEDs, and each second LED is embedded in one second trough. Each first LED is disposed to one second gap, and each second LED is disposed in one first gap. Light from first LED is absorbed by the opaque element on the second substrate, and that from the second LED is absorbed by the opaque element on the first substrate.04-05-2012
20130208508LIGHT EMITTING DEVICE WITH OPTICAL REDUNDANCY - An optically redundant light emitting device includes a light transmitting film comprising an array of coupling light-guides extending from a light emitting area defined within the light transmitting film. Each coupling lightguide is bent to form a stacked array of coupling lightguides. A first group of light sources comprising at least one light source is positioned to emit light into the stacked array of coupling lightguides, and a second group of light sources comprising at least one light source is positioned to emit light into the stacked array of coupling lightguides. A first optical path of the light emitted from the first group of light sources overlaps with a second optical path of the light from the second group of light sources in each coupling lightguide.08-15-2013

Patent applications in class Light Emitting Diode (LED)