Patent application number | Description | Published |
20090015753 | LIGHT GUIDE PLACE AND LIGHT-DIFFUSING STRUCTURE THEREOF - A light guide plate that is divided into an effective section capable of providing uniform surface illumination and a transitional section between the effective section and the point light source includes a light-receiving surface, a light-emitting surface, a light-reflecting surface, and a plurality of light-diffusing structures. The light-diffusing structures are spread on the transitional section, and each light-diffusing structure is in the shape of a part elliptic cylinder having a long axis and a short axis and the front surface of the light-diffusing structure facing the point light source is a part elliptic cylindrical surface. | 01-15-2009 |
20110085349 | OPTICAL FILM AND BACK LIGHT MODULE - An optical film includes a body and a plurality of first linear protrusions. The body has a first surface and a second surface opposite to the first surface. The first linear protrusions are disposed on the first surface, and each first linear protrusion is extended along a first direction and has a first curvy ridge line departing from the first surface, wherein the first curvy ridge lines are concave towards a fixed direction. When the first curvy ridge line is located on a suppositional plan, the suppositional plan is not parallel to the first surface. The above-mentioned optical film is not easy to be worn. | 04-14-2011 |
20110102710 | BACKLIGHT MODULE AND DISPLAY MODULE - A backlight module that includes a light guide plate, a point light source having a light emitting surface, a first brightness enhancement film disposed above the light guide plate, and a second brightness enhancement film disposed between the light guide plate and the first brightness enhancement film is provided. The light guide plate has a rectangular pre-display area. A reference line intersects a margin of the rectangular pre-display area in 45 degrees. A normal of the light emitting surface intersects the reference line in a first included angle with ±18 degrees based on the reference line. The first brightness enhancement film has first prism structures extended in a first extending direction intersecting the normal in a second included angle with ±25 degrees based on the light emitting surface. The second brightness enhancement film is disposed between the light guide plate and the first brightness enhancement film. | 05-05-2011 |
20110103090 | LIGHT EMITTING MODULE - A light emitting module comprising a light-guide plate, a light source, and a light modulating film is provided. The light-guide plate has a light emitting surface and a light receiving surface. The light source is located at a side corresponding to the light receiving surface. The light modulating film is disposed on the light emitting surface. The light modulating film has a plurality of protruding bars located at a side away from the light emitting surface wherein each protruding bar has a vertex angle from 120° to 178°. | 05-05-2011 |
20120287653 | ROTATABLE LIGHTING APPARATUS - A rotatable lighting apparatus includes a terminal, a base which includes a protruding part at a junction portion thereof, a rotatable lamp holder pivoted at the base and including a heat dissipation part and a lighting source, a passing-through device passing through the base and the rotatable lamp holder, and a bellow device connected to the base and the rotatable lamp holder. The heat dissipation part has a plurality of restricting trenches for fastening to the protruding part. When a tensile force is applied to the rotatable lamp holder, the rotatable lamp holder is capable of moving relative to the base along a moving-axis, so that the rotatable lamp holder is capable of rotating relative to the base. When the tensile force is removed, the rotatable lamp holder is fastened to one of the restricting trenches, so that the rotatable lamp holder is fixed to the base. | 11-15-2012 |
20130044505 | ILLUMINATION APPARATUS - An illumination apparatus includes a light-guiding pillar, a sleeve, and a point light source. The light-guiding pillar has a light-emitting surface, a bottom surface, a light incident surface, and a reflection bar disposed on the bottom surface. An extension direction of the reflection bar is parallel to an extension direction of the light-guiding pillar. The light incident surface of the light-guiding pillar is disposed in the sleeve. The sleeve includes a reflection portion surrounding the light incident surface and extending along a direction away from the light-guiding pillar. An internal diameter of the reflection portion decreases in a direction away from the light incident surface. The portion of the light beams emitted by the point light source are reflected to the light incident surface by an inner surface of the reflection portion and enter the light-guiding pillar. | 02-21-2013 |
20130099667 | ILLUMINATION DEVICE CAPABLE OF BEING CONTROLLED BY BLOW - An illumination device capable of being controlled by blow includes a casing, a light emitting module, a driving circuit board and a blow sensing module. At least one air hole is formed on a periphery of the casing. The light emitting module is disposed on a top of the casing. The driving circuit board is disposed in the casing and electrically connected to the light emitting module. The blow sensing module is disposed in the casing, electrically connected to the driving circuit board and used for sensing blow through the at least one air hole. The driving circuit board controls the light emitting module to emit light in different brightness according to a number of blows sensed by the blow sensing module. | 04-25-2013 |
20130100684 | ROTATABLE ILLUMINATION DEVICE - A rotatable illumination device includes a first casing, a light emitting module, a first fixing member and a second fixing member. The first casing has a first rotating portion and a first protruding portion is formed on the first rotating portion. The light emitting module is disposed in the first casing. A first indentation is formed on the first fixing member and the first protruding portion can pass through the first indentation. A second indentation and a second protruding portion are formed on the second fixing member and the first protruding portion can pass through the second indentation. The first and second fixing members are fixed together, and the first and second protruding portions are coplanar. The first protruding portion cooperates with the second protruding portion to limit rotating angle of the first casing. | 04-25-2013 |
20130163222 | ILLUMINATION MODULE - An illumination module comprising a light guide member, a first light source and a first polarizing element is provided. The light guide member is a polarization-maintaining light conductor, and comprises a first end, a second end and a main body. The main body is between the first and the second end, and comprises a light emitting area and a reflective area having a plurality of microstructures. The first light source is near the first end of the light guide member. The first polarizing element is between the first end and the first light source. The light of the first light source entering the first polarizing element is separated into a first polarized light and a second polarized light different from the first polarized light. The second polarized light passing through the first polarizing element and striking the microstructures is reflected as a third polarized light emitted to the outside. | 06-27-2013 |
20130163242 | PROTECTIVE COVER AND LAMP MODULE THEREWITH - A protective cover for covering a lamp base assembly of a lamp module is disclosed. The lamp base assembly is adapted for driving the lamp module. The protective cover includes a first housing and a second housing. The first housing includes a first engaging portion and the second housing includes a second engaging portion corresponding to the first engaging portion. When the second engaging portion engages with the first engaging portion, the first housing contains the lamp base assembly cooperatively with the second housing, and a surface of the lamp base assembly respectively is separated from a surface of the first housing and a surface of the second housing by a distance. | 06-27-2013 |
20130163280 | LIGHT GUIDE DEVICE AND ILLUMINATION MODULE USING THE SAME THEREOF - An illumination device comprising a light guide bar, a light source and a reflective sleeve is provided. The light guide bar comprises a first end surface, a second end surface, and a cylindrical surface. The cylindrical surface is disposed between the first end surface and the second end surface and has a light-emitting surface and a reflective surface. The light source is disposed at the outside of the first end surface of the light guide bar. The reflective sleeve covers the second end surface of the light guide bar and has a reflective cavity, which tapers inward to form a vertex angle. A part of the incident light of the light source is reflected to the light-emitting surface via the reflective surface by the reflective cavity or directly reflected to the light-emitting surface by the reflective cavity. | 06-27-2013 |
20130182406 | POLARIZED LIGHT SOURCE MODULE - A polarized light source module, having a first region and a second region adjacent to at least one edge of the first region, includes a lamp shell, at least one light source, a polarization generator, and a micro-structure layer. The light source is disposed in the second region. The polarization generator is disposed in the second region, and the polarization generator is used to polarize light generated from the light source. The micro-structure layer is disposed in the first region, and the micro-structure layer is used to reflect the light polarized by the polarization generator toward a direction away from the lamp shell. | 07-18-2013 |
20130208460 | ILLUMINATION APPARATUS - An illumination apparatus includes a light emitting module and a containing base. The light emitting module includes a light guide bar and a light emitting device disposed on an end of the light guide bar. The light emitting device includes a heat dissipating sheet and a light emitting element. The heat dissipating sheet has a first positioning component. The light emitting element is disposed on the heat dissipating sheet for emitting light to the light guide bar. The containing base is used for containing the light emitting module. A second positioning component is formed on a side of the containing base corresponding to the first positioning component. The second positioning component is used for engaging with the first positioning component when the light emitting module is disposed on the containing base, so as to fix a position of the light emitting module relative to the containing base. | 08-15-2013 |
20130208470 | ILLUMINATION APPARATUS AND LIGHT EMITTING DEVICE THEREOF - An illumination apparatus includes a light emitting device and a fluorescent lamp base having first and second sockets. The light emitting device is disposed on the fluorescent lamp base and includes a light guide bar, first and second plug structures, and a first LED assembly. The light guide bar has first and second ends corresponding to the first and second plug structures respectively. The first and second plug structures are respectively disposed on the first and second ends of the light guide bar for electrically connecting to the first and second sockets respectively. The first LED assembly is disposed in the first plug structure and has two first cables. The two first cables are electrically connected to the first and second plug structures respectively, so as to make the first LED assembly receive power provided by the fluorescent lamp base for emitting light to the light guide bar. | 08-15-2013 |
20130208506 | LIGHT GUIDE DEVICE - A light guide device is provided. The light guide device includes a light guide plate and a light source. The light guide plate includes an incident plane, a bottom plane and a top plane. The bottom plane includes a reflective plane and an inclined bottom plane, wherein the inclined bottom plane connects the bottom of the incident plane and the reflective plane, and the inclined bottom plane is inclined relative to the reflective plane. The top plane includes an inclined top plane, a light-emitting plane and a connecting plane, wherein the inclined top plane connects the top of the incident plane and the connecting plane, the connecting plane connects the inclined top plane and the light-emitting plane, and the inclined top plane is inclined relative to the connecting surface. Furthermore, the light source is located next to the incident plane. | 08-15-2013 |
20130234858 | WEIGHT SENSING DEVICE AND WEIGHT SENSING SYSTEM - A weight sensing device includes a casing, a weight sensing module and a light emitting module. A container placing area and a light emitting area are defined on a surface of the casing and staggered with each other. The weight sensing module is disposed in the casing and corresponding to the container placing area. The weight sensing module records a weight threshold. The light emitting module is disposed in the casing and corresponding to the light emitting area. When a container, which contains a substance, is placed on the container placing area, the weight sensing module senses a current weight of the container and the substance and compares the current weight with the weight threshold. When the current weight is smaller than the weight threshold, the weight sensing module drives the light emitting module to emit light, which is projected through the light emitting area. | 09-12-2013 |
20130250605 | ILLUMINATION DEVICE - An illumination device includes a light guiding core, an optical film and a light emitting module. The optical film separately surrounds the light guiding core. A ratio of a diameter of the optical film to a diameter of the light guiding core is between 2 and 3. The light emitting module is disposed at one side of the light guiding core. | 09-26-2013 |
20130258664 | ILLUMINATION DEVICE - An illumination device includes a light guide bar and light sources. The light guide bar includes a reflective layer, a light-emitting surface opposite to the reflective layer, and a light-incident surface connecting the reflective layer and the light-emitting surface. The light sources are beside the light-incident surface. Each light source includes a light unit and a lens. The lens is between the LED and the light guide bar and includes two opposite planar portions and two opposite arc-surface portions to surround a light-emitting axis. The planar portions are adjacent to each other and form a valley line aligned to the light-emitting axis at a junction of the planar portions. The planar portions respectively face the reflective layer and the light-emitting surface with respect to the valley line; thus, light provided by the LED is partially emitted toward the reflective layer and the light-emitting surface through the planar portions, respectively. | 10-03-2013 |
20130308331 | ANTI-GLARE LIGHT SOURCE - An anti-glare light source includes a linear light source and a light-modulation element. The linear light source is suitable for providing light, and the light-modulation element is disposed on a propagating path of the light. The light-modulation element includes a plurality of parallel bar-shaped prisms. The bar-shaped prisms are arranged along an extension direction of the linear light source. An extension direction of each of the bar-shaped prisms is substantially perpendicular to the extension direction of the linear light source so as to converge the distribution of the light along the extension direction of the linear light source. | 11-21-2013 |
20130314939 | LIGHT EMITTING DEVICE - A light emitting device including a light guide pillar, a reflective layer, and a point light source is provided. The light guide pillar has a light incident terminal surface and includes a first portion and a second portion located between the first portion and the light incident terminal surface. The reflective layer is disposed on the first portion and exposes a portion of the first portion. The reflective layer is not disposed on the second portion. The point light source emits light toward the light incident terminal surface. | 11-28-2013 |
20140029305 | LIGHT SOURCE MODULE - A light source module including a light emitting element and a light guiding element is provided. The light guiding element has a light incident surface, a light emitting surface, a first surface, a second surface, a first reflective layer, and a second reflective layer. The light emitting element faces to the light incident surface. The light incident surface is connected to the light emitting surface. The first surface is connected to the light emitting surface and opposite to the light incident surface. The first surface is non-parallel to the light incident surface. The second surface is connected to the first surface and opposite to the light emitting surface. The first reflective layer is disposed on the first surface. The second reflective layer is disposed on the second surface. | 01-30-2014 |
20140063845 | LIGHT-GUIDING PLATE AND PLANE ILLUMINATION APPARATUS THEREWITH - A light-guiding plate and a plane illumination apparatus therewith are disclosed. The plane illumination apparatus includes the light-guiding plate and at least one light-emitting source. The light-guiding plate includes a light incident surface, a first surface opposite to the light incident surface, a second surface between the light incident surface and the first surface, and a light emitting surface opposite to the second surface. The second surface is coated with diffuse reflection layer. The first surface gradually extends substantially toward the light incident surface from its one side near to the second surface to the other side near to the light emitting surface. The light-emitting source is disposed corresponding to the light incident surface for providing a light beam. | 03-06-2014 |
20140092628 | ILLUMINATION DEVICE - An illumination device including a light guiding element, a light emitting element, and a reflective element is provided. The light guiding element has a light incident surface, a light emitting surface, a first surface and a second surface. The light incident surface surrounds the light guiding element and is connected between the light emitting surface and the first surface. The first surface is connected between the light incident surface and the second surface so that the second surface is substantially opposite to the light incident surface. The second surface constructs a depression structure having a diameter gradually changed from the first surface towards the light emitting surface. The light emitting element surrounds the light guiding element to emit a light towards the light incident surface. The reflective element is disposed at least on the first surface. | 04-03-2014 |
20140153237 | LIGHT SOURCE MODULE - A light source module is disclosed and includes a carrier, a light-emitting unit, and a lens. The light-emitting unit is disposed on the carrier and has a light-emitting surface. The lens is disposed above the light-emitting unit and has bottom surface and a tapered top surface opposite to the bottom surface. The bottom surface is opposite right to the light-emitting surface. A gap exists between the bottom surface and the light-emitting surface. Therefore, beams emitted by the light-emitting unit are modulated by the lens to be mostly concentrated relatively in a specific radiation angle range and distributed more uniform within the specific radiation angle range, which is conducive to reduction of the glare degree of the light source module. | 06-05-2014 |
20140160743 | LIGHT TUBE - A light tube includes a tube body, at least one light emitting diode, and a transparent cover. The light emitting diode is assembled with the tube body. The transparent cover is disposed on the tube body to cover the light emitting diode and has a roof portion and two side arm portions. A first microstructure region and a second microstructure region are formed on a surface of the roof portion corresponding to the light emitting diode. The second microstructure region extends from two ends of the first microstructure region. A third microstructure region is formed on a surface of each side arm portion corresponding to the light emitting diode. A microstructure density of the second microstructure region is less than or equal to a microstructure density of the first microstructure region, and is greater than or equal to a microstructure density of the third microstructure region. | 06-12-2014 |
20140177259 | ANTI-GLARE LIGHT SOURCE - An anti-glare light source including a linear light source, at least one sleeve and a light adjusting element is provided. The linear light source is suitable for providing a light. The sleeve covers at least one end of the linear light source. The light adjusting element is disposed between the sleeve and the linear light source, wherein the light adjusting element includes a plurality of prism portions. The prism portions cover a portion of the linear light source and arrange along the extension direction of the linear light source, such that the distribution of the light converges along the extension direction of the linear light source. | 06-26-2014 |
20140192555 | PLANAR LIGHT APPARATUS - A planar light apparatus is disclosed and includes a reflection part, a secondary optic device, and a light-emitting device. The secondary optic device has a light incident surface, a light emitting surface, and a side surface, which is an elliptic surface, between the light incident surface and the light emitting surface. A reflecting surface of the reflection part and the light emitting surface face a void space formed between the secondary optic device and the reflection part. Light beams emitted by the light-emitting device into the secondary optic device through the light incident surface can be reflected by the side surface to emit out of the secondary optic device through the light emitting surface into the void space to be reflected by the reflecting surface. Thereby, the planar light apparatus without a conventional light-guiding plate still can offer a planar light source with certain uniformity and can be structured thinner. | 07-10-2014 |
20140198496 | ILLUMINATION APPARATUS - An illumination apparatus includes a transparent case, an opaque member, a ring-shaped light emitting device, and a ring-shaped transparent cover. The transparent case has a central region. The opaque member is disposed on the central region. The ring-shaped light emitting device is disposed in the transparent case corresponding to the central region. The ring-shaped transparent cover is disposed on the ring-shaped light emitting device and has a first arc-shaped ring portion relatively close to the opaque member and a second arc-shaped ring portion relatively away from the opaque member. A refraction microstructure region is formed on an inner surface of the first arc-shaped ring portion for refracting light emitted by the ring-shaped light emitting device. | 07-17-2014 |
20140306243 | LIGHT EMITTING DEVICE - A light emitting device includes a frame, a plurality of first light emitting units and a plurality of second light emitting units. The frame includes a base, a plurality of first pillars and a plurality of second pillars, wherein the first pillars and the second pillars are extended from a periphery of the base and arranged interlacedly, the first pillars are bent inwardly with respect to the base, and the second pillars are bent outwardly with respect to the base. Each of the first light emitting units is disposed on one of the first pillars. Each of the second light emitting units is disposed on one of the second pillars. | 10-16-2014 |
20140307434 | LIGHT SOURCE MODULE - A light source module includes a base, a plurality of light emitting components and a reflecting member. The light emitting components is disposed on the base, and the adjacent light emitting components form a gap therebetween. The reflecting member is disposed on the base and surrounded by the light emitting components. The reflecting member has a reflecting surface facing the light emitting components so as to avoid the light from being blocked by the opposite light emitting component and to redirect the light project via the gap formed between the adjacent light emitting components. | 10-16-2014 |
20140321128 | OPTICAL LENS AND LIGHT SOURCE DEVICE - An optical lens including a first light exit surface, a total internal reflection (TIR) surface, a second light exit surface and a third light exit surface connected in an order, and correspondingly has a first intersection, a second intersection and a third intersection therebetween. A first line between the first intersection and a reference point on an optical axis of the optical lens intersects with the optical axis to form a first angle between 30 degrees to 60 degrees, and a first direction of the reference point pointing toward a point on the TIR surface intersects with a normal of the first light exit surface at the point to form a reflecting angle larger than a critical angle of TIR. A second line between the second intersection and the reference point intersects with the first line to form a second angle between 10 degrees to 30 degrees. | 10-30-2014 |
20140375215 | Illumination Device Power Control Module - An illumination device power control module is capable of dynamically adjusting power consumption of a light-emitting diode (LED) illumination device by adjusting the output voltage to different levels to control the power of the light emitting diode illumination device. An alternating current power source terminal is configured to receive an alternating current voltage. A rectifier is configured to convert the alternating current voltage to a rectified voltage. | 12-25-2014 |
20150036352 | LIGHT EMITTING DIODE LAMP AND DIFFUSING CAP THEREOF - A light emitting diode (LED) lamp is provided. The LED lamp includes a circuit board, at least one LED, a diffusing cap and a heat sink structure. The LED is disposed on the circuit board for emitting a light. The diffusing cap covers the LED and the circuit board. The diffusing cap includes an outer emitting portion and a lateral emitting portion. The outer emitting portion has a concave. The lateral emitting portion is connected to the outer emitting portion. The concave is used for reflecting part of the light toward a lateral surface of the lateral emitting portion. The heat sink structure is disposed below the circuit board for dissipating a heat generated from the LED and the circuit board. | 02-05-2015 |