| SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD. Patent applications |
| Patent application number | Title | Published |
| 20120134179 | MOSAIC LIGHT GUIDE PLATE STRUCTURE AND BACKLIGHT MODULE - Disclosed are a mosaic light guide plate structure and a backlight module. The mosaic light guide plate structure comprises at least two light guide plate units. Each of the light guide plate units comprises a first tilt face and a second tilt face with cooperation of at least one light-emitting unit. The first tilt face is positioned at a side of the light guide plate unit. The second tilt face is oppositely positioned to the first tilt face at the other side. The at least one light-emitting unit is positioned under the first tilt face. The present invention assembles adjacent tilt faces to form the light guide plate and changes the direction of light with the tilt faces for solving issues of length limitation for the light guide plate. Accordingly, the mosaic light guide plate structure of the present invention can be suitable for large-scale LCDs and realize local dimming. | 05-31-2012 |
| 20120134176 | BACKLIGHT MODULE AND LIGHT GUIDE PLATE THEREOF - The present invention discloses a backlight module and a light guide plate thereof. The light guide plate has a side incident surface, a light-emitting surface adjacent to the side incident surface, and a micro-structure array adjacent to the side incident surface. The side incident surface receives incident lights from a light source. The micro-structure array has a plurality of elongated prisms, and an end of each of the prisms is oriented to the side incident surface, so that an extension direction of each prism is parallel to or nearly parallel to a normal line of a light-emitting surface of the light source. The light guide plate can increase light transmission distance to provide uniform brightness. The structures of the prisms are maintained in a uniform arrangement, so that a prism mold need not be re-designed to satisfy requirements of panels with different sizes. | 05-31-2012 |
| 20120133861 | MULTI-LEVEL LIGHT GUIDE PLATE AND LIQUID CRYSTAL DISPLAY MODULE - The present invention discloses a multi-level light guide plate (LGP) and a liquid crystal display (LCD) module. The LGP is divided into multiple sections sequentially connected with each other in a direction, and at least one light bar is disposed at an outward side of each section of said multiple sections. The LCD module has the multi-level LGP, which is located between a liquid crystal panel and a back plate. The multi-level LGP provided by the present invention can achieve local dimming for multiple sections and ensure that light rays of the respective sections will not influence each other. | 05-31-2012 |
| 20120132829 | ROBOTIC ARM AND TRANSPORTING DEVICE WITH THE SAME - The present invention discloses a robotic arm including a supporting member, a cavity body and a telescopic member. The cavity body includes a gate. The cavity body accommodates the supporting member. The telescopic member is connected with the supporting member for driving the supporting member to extend out of or back to the cavity body through the gate. The present invention discloses a transporting device with the robotic arm. The robotic arm and the transporting device with the robotic arm utilizes the structure of the cavity body to maintain the cleanliness during transporting plates. | 05-31-2012 |
| 20120132621 | METAL ETCHING METHOD, METAL ETCHING CONTROL METHOD AND CONTROL DEVICE THEREOF - Disclosed is a metal etching method, a metal etching control method and a control device thereof. The metal etching control method is employed in a metal wet etching machine and comprises steps below: performing etching to a metal film and acquiring an etching end time of the metal film; multiplying the etching end time with a constant ratio to acquire the over etching time of the metal film; and performing etching to the metal film with the over etching time to complete the etching to the metal film. The present invention can precisely judge a total real etching time needed for each of a batch of metal films as performing metal etching to the metal films to reduce the issue of unstable etching qualities as the metal film thicknesses are not regular. | 05-31-2012 |
| 20120129303 | METHODS FOR MANUFACTURING PASSIVATION LAYER AND THIN FILM TRANSISTOR ARRAY SUBSTRATE - The present invention provides methods for manufacturing a passivation layer and a thin film transistor (TFT) array substrate. The method for manufacturing the passivation layer comprises the following steps: placing a substrate in a vacuum process chamber; providing an ammonia gas and a nitrogen gas into the vacuum process chamber; forming plasma and evaporating water vapor; and forming the passivation layer on the substrate. The method for manufacturing the passivation layer can be applicable to the method for manufacturing the TFT array substrate. The present invention can enhance the quality of the passivation layer. | 05-24-2012 |
| 20120129285 | METHODS FOR MANUFACTURING DISPLAY PANEL AND DISPLAY APPARATUS - The present invention provides methods for manufacturing a display panel and a display apparatus. The method comprises the following steps: sputtering alignment layers on substrates; forming a liquid crystal layer between the alignment layers to form a liquid crystal cell; applying a voltage to the liquid crystal cell; irradiating an ultraviolet light to the liquid crystal cell; and arranging the display panel on a backlight module. The invention can improve the quality of alignment films of the liquid crystal display panel. | 05-24-2012 |
| 20120129284 | METHOD FOR MANUFACTURING LIQUID CRYSTAL DISPLAY PIXEL ARRAY - This invention discloses a method for manufacturing liquid crystal display pixel array, which is capable of promoting an aperture ratio. The method of this invention includes forming a gate metal layer on a glass substrate; forming a gate insulation layer; forming a semiconductor layer; forming a second metal layer on the semiconductor layer; forming a switch region photoresist layer and a data line region photoresist layer on the second metal layer; etching the second metal layer; etching the semiconductor layer; etching the switch region photoresist layer and the data line region photoresist layer; and etching edge portions of the semiconductor in the switch region and the data line region by using fluoride-bearing gas. To etch off more edge portions of the semiconductor in the data line region, according to this invention, the thickness of the data line region photoresist layer is made thinner when forming the photoresist layer. | 05-24-2012 |
| 20120127750 | Backlight Module And Display Apparatus - The present invention provides a backlight module and a display apparatus. The backlight module comprises a plurality of first light guide units, a plurality of first light sources, a plurality of second light guide units, a plurality of second light sources and a reflective layer. The first light sources are disposed at one side of the first light guide units. The second light guide units are disposed on the first concave portions of the first light guide units. The second light sources are disposed at one side of the second light guide units. The reflective layer is formed between the first light guide units and the second light guide units. The present invention can enhance the number of the locally dimmed regions and the independent light adjustability of each region. | 05-24-2012 |
| 20120127411 | PIXEL UNIT, LCD PANEL, AND METHOD FOR FORMING THE SAME - The present invention discloses a pixel unit, a liquid crystal display panel and method for forming the same. The liquid crystal display panel comprises a common line, a first shading line, and a second shading line, all of which are under the pixel electrode and are formed by a metallic layer. A lateral side of the first or second shading line, which is not covered by the pixel electrode is a curve edge. The curve first or second shading line expands an area of the common line, resulting in an increase of a storage capacitor. Even if a G/D overlay tolerance exists during the process of forming an LCD panel, a problem of uneven display brightness occurring in the LCD panel is still being improved. | 05-24-2012 |
| 20120125539 | CURING DEVICE AND DISPLAY PANEL ASSEMBLY APPARATUS USING THE SAME - The present invention provides a curing device and a display panel assembly apparatus using the same. The display panel assembly apparatus comprises a liquid crystal filling device, an alignment assembly device, a transporting device and the curing device. The curing device comprises a supporting stage configured to support the display panel; and a plurality of curing units disposed above the supporting stage, wherein the curing units are arranged according to a sealant pattern of the sealant. The present invention can reduce the number and used power of the curing units. | 05-24-2012 |
| 20120125535 | THIN FILM DRYING METHOD AND ALIGNMENT FILM DRYING METHOD AND METHOD FOR MANUFACTURING DISPLAY PANEL - The present invention provides a thin film drying method, an alignment film drying method and a method for manufacturing a display panel. The thin film drying method comprises the following steps: forming the thin film on a substrate; placing the substrate in a vacuum chamber; and reducing a pressure in the vacuum chamber. The thin film drying method can be applicable to the alignment film drying method and the method for manufacturing the display panel. The invention can enhance the film quality after drying. | 05-24-2012 |
| 20120124857 | ALIGNMENT FILM DRYING DEVICE AND DRYING METHOD - The present invention provides an alignment film drying device and drying method thereof for drying alignment film material, which is diluted with solvent and formed on a first surface of a substrate. The device comprises a heating stage, heating a second surface of the substrate and comprising a plurality of pores averagely distributed thereon; a peripheral supporting mechanism, being located at the periphery of the heating stage to support edges of the second surface; a plurality of support pins, being averagely distributed on an upper surface of the heating stage; and an elevator mechanism, raising and lowering the peripheral supporting mechanism and the support pins. The present invention can eliminate the phenomenon of drying alignment film unevenly in the drying process to optimize the alignment film quality for raising the display characteristic of the LCD (Liquid Crystal Display) panel and raising the quality and yield of the LCD panel. | 05-24-2012 |
| 20120120680 | BACKLIGHT MODULE AND LIGHT GUIDE PLATE THEREOF - The present invention discloses a backlight module having a light guide plate and a plurality of backlight sources. The light guide plate contains a plurality of grooves which divide the light guide plate into several domains. All of the grooves have a specific cross section which may be triangular, trapezoidal, or convex curved in shape. The light guide plate can reflect light emitted by the backlight sources through specific angles resulted from the specific cross sections of the grooves. Therefore, it is entirely possible to achieve the target of local dimming of the backlight module by means of a design of positions of the grooves and of angles of the cross sections. | 05-17-2012 |
| 20120120631 | LIGHT SOURCE HEAT DISSIPATION STRUCTURE AND BACKLIGHT MODULE - Disclosed are a light source heat dissipation structure and a backlight module. The light source heat dissipation structure comprises at least one light bar having two lateral faces; and a heat dissipation base, comprising: a frame having an inner space, at last one open and a upper surface, and the open is formed on the frame and connected to the inner space, and the open comprises at least one open edge; and at least one elastic abutting wall having an attached surface; wherein the elastic abutting wall is fixed on the open edge, and the light bar is embedded in the open, and the attached surface is attached to the lateral face of the light bar to enlarge the contact area between the light bar and the heat dissipation base. The heat dissipation efficiency and the usage lifetime of the LED packaged structure can be improved accordingly. | 05-17-2012 |
| 20120113681 | LIGHTBAR 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 |
| 20120113677 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE - The present invention provides a light guide plate and a backlight module, wherein the light guide plate comprises a bottom surface, a light incident surface and a light-emitting surface. The light-emitting surface and the bottom surface are positioned oppositely. The bottom surface comprises a plurality of screen dots. The screen dots comprise fluorescent powder and are selectively added with diffusion particles. The present invention prevents the phenomenon of color shift and the luminous efficiency degradation due to the fluorescent powder accelerated ageing because of closing to the LED chip. | 05-10-2012 |
| 20120113674 | BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The backlight module comprises a casing, a light guide plate and at least one light source. The light guide plate is disposed in the casing and includes a light output surface and at least one positioning convex portion. The positioning convex portion protrudes from the light output surface. The light source is disposed at one or more sides of the light guide plate. The present invention can use the positioning convex portion to simplify the assembly structure and process of the display apparatus. | 05-10-2012 |
| 20120113246 | LINE-WIDTH INSPECTION DEVICE - The present invention discloses a line-width inspection device. The line-width inspection device has a platform, an image capturing device, a main light source device and at least one compensation light source device. The image capturing device is mounted above the platform, aligned with an inspection area of the platform and captures images of a pattern under inspection in the inspection area. The main light source device is disposed above the platform and correspondingly provides forward illumination to the inspection area, and an incident direction thereof is perpendicular to the platform. The at least one compensation light source device is mounted above the platform and provides compensation illumination to the inspection area. The additional compensation light source device can prevent edges of the pattern under inspection from occurring shadows and affecting image capturing, so as to enhance precision of image capturing. | 05-10-2012 |
| 20120113155 | BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The backlight module comprises at least two light sources; a plurality of light guide units corresponding to the light sources and disposed at one side thereof; and at least one reflective layer formed between the two adjacent light sources, wherein a portion of the reflective layer extends between two of the light guide units corresponding to the two light sources. The present invention can enhance the number of the locally dimmed regions and improve the light interference problem between the different lighting regions. | 05-10-2012 |
| 20120113067 | LCD PANEL AND A DRIVING METHOD THEREOF - A liquid crystal display panel includes at least one pixel units. Each pixel unit includes a first storage capacitor electrically connected to a first transistor, a second storage capacitor electrically connected to a second transistor, and a charge-sharing capacitor having two ends electrically connected to the second storage capacitor and to an inverter. The electric potential of the charge-sharing capacitor changes because of an inverted scanning signal output by the inverter and further alters the stored voltage applied on the second storage capacitor after the scan line finishes transmitting the scanning signal, so that the first storage capacitor and the second storage capacitor have different voltages. Therefore, the color washout phenomenon is improved. | 05-10-2012 |
| 20120112237 | LED PACKAGE STRUCTURE - The present invention provides an LED package structure which has a housing, a first electrode plate, a second electrode plate, a LED chip and a Zener diode. The LED chip is mounted in the recess, and a first electrode and a second electrode of the LED chip are electrically connected to the first electrode plate and the second electrode plate, respectively. The Zener diode is embedded in the housing, and a second electrode and a first electrode of the Zener diode is electrically connected to the first electrode plate and the second electrode plate, respectively. The Zener diode of the present invention is embedded in the housing, so that it can prevent from affecting the luminous flux of the LED chip. | 05-10-2012 |
| 20120107486 | SEALANT COATING DEVICE AND DISPENSING METHOD THEREOF - The present invention provides a sealant coating device having a sealant receiving chamber and a nozzle formed on a lower portion of the sealant receiving chamber. The sealant coating device further has a heating device, and the heating device is installed around the sealant receiving chamber for heating a sealant material filled in the sealant receiving chamber. The present invention further provides a dispensing method of the sealant coating device, which has the following steps of: obtaining time during the sealant material stays in the sealant receiving chamber; calculating a target temperature of the sealant material according to the obtained time and a desired sealant viscosity value; heating the sealant material to the target temperature. The advantages of the present invention are to use the heating device to lower the sealant viscosity based on the characteristic of the sealant viscosity varied with the temperature. In a case that the sealant material stays in the sealant receiving chamber a period of time to cause the raise of the sealant viscosity, the heating device can be automatically started to lower the actual sealant viscosity to constantly keep in the desired sealant viscosity. | 05-03-2012 |
| 20120106131 | HEAT DISSIPATING STRUCTURE OF LIGHT SOURCE AND BACKLIGHT MODULE - A heat dissipating structure of a light source and a backlight module are provided. The heat dissipating structure of the light source includes at least one load board, at least one LED package structure and a heat-dissipating base. The LED package structure is electrically connected to the load board. The heat-dissipating base has a first loading surface and at least one second loading surface. The height of the second loading surface is lower than that of the first loading surface. The LED package structure thermally contacts with the first loading surface of the heat-dissipating base, and the load board is separately disposed on the second loading surface of the heat-dissipating base. Therefore, the LED package structure may directly take the aid of the good heat-dissipating characteristic of the heat-dissipating base to conduct and dissipate heat, thereby relatively enhancing the heat-dissipating efficiency and the usage life of the LED package structure. | 05-03-2012 |
| 20120105762 | EDGE-LIT BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - The present invention discloses an edge-lit backlight module and a liquid crystal display, the edge-lit backlight module comprises a back plate, a light guide plate (LGP), a fixing frame and a light emitting device. The fixing frame embraces and fixes the light guide plate on the back plate, a circuit board of the light emitting device is disposed outside the fixing frame, the fixing frame is provided with at least one light incident opening corresponding to at least one light emitting element of the light emitting device. The present invention provides an edge-lit source required by the LGP but insulates most of heat generated by the light emitting element by the light incident opening. | 05-03-2012 |
| 20120105422 | ADJUSTMENT METHOD OF LCD OVERDRIVE VOLTAGE AND DEVICE THEREOF - Disclosed are an adjustment method of an LCD (Liquid Crystal Display) overdrive voltage and the device. The adjustment method comprises steps below: locating a transistor at a position capable of sensing a temperature of an LCD panel; providing a constant current source to a drain of the transistor and a conducting voltage to the transistor, and a voltage difference between a source and a gate changing according to a temperature changing of the LCD panel; receiving voltages of the source and the gate of the transistor to calculate a voltage difference therebetween and outputting an amplified value of the voltage difference by an error amplifier; receiving the amplified value of the voltage difference and outputting corresponding binary signals by an analog to digital converter; providing a selector storing a plurality of overdrive voltages for selecting different overdrive voltages according to the different binary signals to adjust the LCD overdrive voltage. | 05-03-2012 |
| 20120103258 | Chemical Vapor Deposition Apparatus and Cooling Block Thereof - The present invention provides a chemical vapor deposition apparatus and a cooling block thereof. The chemical vapor deposition apparatus comprises a process chamber; at least one clean gas channel connected between the process chamber and a remote plasma source; and an anti-fluoride material layer formed in the clean gas channel. The clean gas channel can be formed in a block body of the cooling block. The present invention can enhance the cleaniness of the process chamber. | 05-03-2012 |
| 20120100749 | CONNECTOR AND CONNECTING STRUCTURE OF FLEXIBLE FLAT CABLE - A connector and a connecting structure of a flexible flat cable are provided. The connector includes a main body, an electrical terminal and a cover plate. The main body has a sidewall and a boss. The sidewall and the boss define a groove therebetween. The electrical terminal is in a bent shape. One end of the electrical terminal is disposed on the boss. The cover plate has a cover portion and an engaging portion. The cover portion covers on the boss. The engaging portion is inserted into the groove of the main body. The electrical terminal is partially located between the boss and the cover plate. The present invention further provides the connecting structure of a flexible flat cable. The advantage of the present invention is that: by disposing the groove on the main body, the cover plate is inserted into the groove for engaging the flexible flat cable connected to the connector, thereby preventing the flexible flat cable from releasing from connector to increasing the mounting reliability. | 04-26-2012 |
| 20120092887 | BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The backlight module comprises a circuit board, a plurality of light sources and a reflective layer. The light sources have lighting surfaces and are electrically connected to the circuit board. The reflective layer flushes with the lighting surfaces of the light sources. Alternatively, the height difference between the reflective layer and the lighting surfaces of the light sources is less than 1 mm for reducing the height difference between the reflective layer and the lighting surfaces of the light sources. The present invention can raise the utilization rate of the reflective light. | 04-19-2012 |
| 20120092854 | BACKLIGHT MODULE - A backlight module has a light guide plate, a back plate and light emitting assemblies. The light guide plate is substantially prism-like. The back plate has a shape corresponding to that of the light guide plate, and has an inclined first side plate and an inclined second side plate opposite to the first side plate. Each of the first and second side plates has at least one receiving recess, and the light emitting assemblies are received in the receiving recesses. In comparison with a side-light type backlight module, the present invention saves a heat-dissipation aluminum extrusion member. In comparison with a direct-light type backlight module, the present invention shortens the light mixing distance in a vertical direction, so as to reduce the module thickness. | 04-19-2012 |
| 20120092586 | 2D/3D Switchable LC Lens Unit for Use in a Display Device - The present invention discloses an auto-stereoscopic display and a liquid crystal lens (LC lens) unit. The LC lens unit orderly consists of a concave lens, a birefringence LC convex lens, and a conductive layer from an emitting surface to an incident surface. The birefringence LC convex lens, embedded in the concave lens, has both a ordinary refractive index and a extraordinary refractive index. The conductive layer has a plurality of control electrodes which generate an electric field to adjust an alignment of LC molecules of the birefringence LC convex lens for adjusting the equivalent refractive index of the birefringence LC convex lens to make the equivalent refractive index between the refractive index of the concave lens and the extraordinary refractive index of the birefringence LC convex lens. The aim is to compensate a viewer for a refraction angle of light that the human eye requires when the viewer observes an auto-stereoscopic display with different distances. In addition, the extraordinary refractive index is far larger than ordinary refractive index. Once the LC molecules rotate by a slight angle, the incident polarized light obtains larger refractive index. Thus, a 3D/2D switch is achieved. In other words, a smaller electric field can achieve the target of a 3D/2D switch, which reduces power consumption. | 04-19-2012 |
| 20120092316 | LIQUID CRYSTAL DISPLAY DEVICE AND DRIVING DISPLAY METHOD THEREOF - The present invention provides a liquid crystal display device and a driving display method thereof which firstly provides a first data signal; generates a driving control signal according to the first data signal that the driving control signal divides a first pixel to a N-th pixel of a pixel column into a first pixel group and a second pixel group according to the positive or negative polarity of each of pixel-voltages that are to be correspondingly received by the first pixel to the N-th pixel; orderly provides a scanning signal to the pixels of the first pixel group according to the driving control signal to activate the pixels of the first group one by one to input corresponding pixel-voltages thereto; and then orderly provides another scanning signal to the pixels of the second pixel group to activate the pixels of the second group one by one to input corresponding pixel-voltages thereto, so as to complete a frame of image display. The present invention not only uses polarity inversion to improve display quality, but also economizes power consumption. | 04-19-2012 |
| 20120092307 | LCD Device and Driving Method Thereof - An LCD device and a driving method thereof are disclosed. The LCD device includes a plurality of pixel units which are arranged in an array of rows, a plurality of first scan lines, a plurality of second scan lines and a plurality of switch units. The pixel units of each row are divided into a plurality of first pixel units and a plurality of second pixel units. The switch units are respectively electrically coupled to one end of each first scan line and one end of each second scan line for controlling conduction states of the first scan lines and the second scan lines, thereby controlling an order of updating the image signals for the first pixel units and the second pixel units. Thus, the scan lines are driven in the order according to whichever total sum of differences between gray values thereof is smaller, so that the power consumption of data chips is decreased. | 04-19-2012 |
| 20120091908 | DRIVING CIRCUIT AND DRIVING METHOD OF BACKLIGHT MODULE OF DISPLAY APPARATUS - The present invention provides a driving circuit and a driving method of a backlight module of a display apparatus. The driving method comprises the following steps: utilizing a phase detector to detect voltage phases of an inductor and a capacitor of a resonant circuit; utilizing a frequency adjusting module to obtain an operation frequency according to a phase detection signal; and utilizing a driving chip to drive a DC-to-AC power stage circuit according to the operation frequency. The invention can improve the transformation efficiency of the driving circuit. | 04-19-2012 |
| 20120085886 | FLOOR THROUGH-PASSAGE MOLDING APPARATUS AND CONSTRICTING MODULE THEREOF - The present invention provides a floor through-passage molding apparatus adapted for a floor construction having steel bars, includes: a forming sleeve and a constricting module. Said forming sleeve has a sleeve wall forming an outer circumference surface. Said constricting module has an elongated curved body disposed on said sleeve wall, and a first connection terminal and a second connection terminal are respectively located on two opposite ends of said elongated curved body. By connection of said first connection terminal with the second connection, said elongated curved body can radially support outer the circumference surface of the sleeve wall to reinforce the entire structure of the forming sleeve and thereby prevent the floor through-passage molding apparatus from deforming or slanting, and simultaneously reinforce a firm connectivity between the floor through-passage molding apparatus and the concrete floor. | 04-12-2012 |
| 20120081631 | ASSEMBLY STRUCTURE FOR LIQUID CRYSTAL MODULE - The present invention provides an assembly structure for a liquid crystal module, which is extended to form installation margins by increasing the size of a liquid crystal panel. The installation margins are directly formed with a plurality of installation holes for connecting with a plurality of corresponding positioning holes of a backlight module by positioning elements. Thus, the liquid crystal panel and the backlight module can directly construct a liquid crystal module, without any front frame. As a result, the size of the entire liquid crystal module in relation to X, Y and Z axes can be reduced, the assembly structure for the entire liquid crystal module can be simplified, and the installation cost of the entire liquid crystal module can be saved, while the compactness and the lightweight design of a liquid crystal display can be carried out. | 04-05-2012 |
| 20120069569 | LIGHT EMITTING DIODE LIGHT BAR STRUCTURE HAVING HEAT DISSIPATION FUNCTION - The present invention discloses a light emitting diode (LED) light bar structure having heat dissipation function, adapted for a backlight module, and including a heat dissipation body, a plurality of light emitting diodes (LEDs), and a circuit board. The heat dissipation body has a circuit board insertion slot and is provided with a plurality of installation holes in row. The installation holes pass through the heat dissipation body, the LEDs are embedded in respective installation holes, and the circuit board is received in the circuit board insertion slot whereby the LEDs are fixed in the installations holes and electrically connect the circuit board. Accordingly, the LED light bar structure not only simplifies assembling procedures but also directly and laterally dissipate heat generated by the LEDs through a tight engagement of the LEDs and the heat dissipation body, thereby improving dissipation efficiency of the backlight module. | 03-22-2012 |
| 20120069268 | LIQUID CRYSTAL DISPLAY AND BACKLIGHT MODULE FOR THE SAME - The present invention discloses a backlight module and a liquid crystal display (LCD) using the same, which can achieve local dimming. The backlight module includes a light guide plate (LGP), which has a groove formed on a bottom. A cross-section of the groove can be arc-shaped. The backlight module further has a plurality of light sources disposed under the LGP at positions corresponding to the groove. The light sources can be two LED light bars. Light emitted from the light bars enters into the LGP and radiates from the LGP. The present invention does not require so many light sources, and thereby power consumption is reduced. The light sources are disposed under the LGP, so that heat can be dissipated through a back plate of the LCD. | 03-22-2012 |
| 20120064649 | METHOD OF FORMING AN ALIGNMENT FILM FOR USE IN AN LCD PANEL - The present invention discloses a method of forming an alignment film for use in a liquid crystal display (LCD). The method includes: Provide a glass substrate and dispose an ITO film on the glass substrate. Next, set the thickness of the alignment film. Next, determine the spray volume of thin film material droplets based on the length and the width of the glass substrate. Next, spray a plurality of thin film material droplets in rows on the glass substrate through a plurality of nozzles of an inkjet head. The thin film material droplets are distributed in an approximate equilateral triangular pattern. The thin film material droplets in the shape of an approximate equilateral triangle can reduce instability when spreading on the glass substrate, achieving a target of optimized coatings. Finally, process an alignment material thin film which is formed after the thin film material droplets spread to form an alignment film. | 03-15-2012 |
| 20120064224 | LIQUID CRYSTAL COATING APPARATUS AND LIQUID CRYSTAL COATING METHOD - The present invention provides a liquid crystal (LC) coating apparatus and an LC coating method. The LC coating apparatus comprises a plurality of liquid crystal coating devices, at least one real-time detector and a controller. The LC coating method comprises the following steps: utilizing the LC coating devices to coat a LC on a substrate; utilizing the real-time detector to real-time detect the LC coated on the substrate and outputting a detection signal; and utilizing the controller to control the LC coating devices according to the detection signal. The present invention can real-time monitor the coating status of the LC for coating and forming a uniform LC film. | 03-15-2012 |
| 20120057326 | Backlight Module and Optical Component Thereof - The present invention provides a backlight module and an optical component thereof. The optical component comprises a substrate, a fluorescent layer, and a microstructure. The substrate has a first surface and a second surface. The fluorescent layer is applied on the first surface of the substrate, and the microstructure is formed on the second surface of the substrate. The fluorescent layer and the microstructure are set on two side of the substrate, respectively, so that at least one incident beam is optically refracted or scattered by the microstructure to uniformly penetrate through the microstructure and the substrate. Thus, a blue backlight which penetrate through the fluorescent layer and a yellow backlight which is excited from the fluorescent layer are mixed for ensuring the backlight module to provide a white backlight with uniform brightness and high brilliance. | 03-08-2012 |
| 20120057109 | LIQUID CRYSTAL PANEL AND COLOR FILTER SUBSTRATE THEREOF - The present invention provides a liquid crystal panel and a color filter substrate thereof. The color filter substrate includes a substrate, a plurality of color filtering units, a display-area black matrix, an edge black matrix, and the color filtering units; the display-area black matrix, the edge black matrix and a transparent conductive layer are formed on the substrate in turn; the edge black matrix surrounds a display area of a liquid crystal panel and then forms an edge light-shielding area corresponding to a periphery of the display area, and the color filter substrate further has a plurality of photo spacers formed on the transparent conductive layer, arranged on the periphery of the display area, and are extended into the edge light-shielding area formed by the edge black matrix; and each of the photo spacers is separated from the adjacent photo spacer at a distance to form a slit therebetween, liquid crystal material in the display area flows through the slit to the edge light-shielding area by capillarity, so as to prevent liquid bubbles from being formed at the edges of the display area and to enhance production yield of the liquid crystal panel. | 03-08-2012 |
| 20120057103 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY APPARATUS - The present invention discloses a backlight module and a liquid crystal display apparatus. The backlight module is employed in a liquid crystal display apparatus having a back plate and a plurality of LEDs. The liquid crystal display apparatus has a display area in accordance with the back plate and overlaps therewith, and the display area has a display area center line. The display area center line has a center corresponding to the LEDs. The LEDs are classified to belong to several positive voltage bins respectively. The LEDs belonging to a lower positive voltage bin are positioned closer to the center and the LEDs belonging to a higher positive voltage bin are positioned farther to the center. | 03-08-2012 |
| 20120057102 | BACKLIGHT MODULE - The present invention discloses a backlight module, used for a liquid crystal display apparatus. The backlight module comprises a back plate, positioned at the bottom of the backlight module; a display area being in the liquid crystal display apparatus in accordance with the back plate and overlapping therewith, and the display area has a display area center line; and a plurality of LEDs classified to belong to several bright bins respectively and the display area center line has a center corresponding to the LEDs, wherein the LEDs belonging to a higher bright bin are positioned closer to the center and the LEDs belonging to a lower bright bin are positioned farther to the center. The LED backlight module of the present invention can raise the usage rate of LEDs and reduce the cost efficiently. | 03-08-2012 |
| 20120057093 | LIQUID CRYSTAL DISPLAY AND METHOD FOR FIXING CIRCUIT BOARD THEREOF - A liquid crystal display and a method for fixing a circuit board thereof are provided in the present invention. The liquid crystal display includes: a back plate having a back plate body, at least one elastic piece disposed at the back plate body, the elastic piece including at least one supporting portion; a circuit board having a grounding area, the circuit board located on the outside of the back plate body, and the grounding area contacting with the supporting portion of the elastic piece; a liquid crystal display panel electrically connected with the circuit board; and a plastic housing having a plurality of sidewalls and a top wall, the circuit board located on the inside of the sidewall, the sidewall having at least one hook, and the hook engaged with the elastic piece for elastically clipping and fixing the circuit board. The present invention has advantages of few parts, simple structure and convenient for assembly. | 03-08-2012 |
| 20120044438 | BACKLIGHT MODULE - The present invention discloses a backlight module which has a plurality of light-emitting diodes. The light-emitting diodes are divided into a plurality of light groups according to pitches between the adjacent light-emitting diodes. The light-emitting diodes with respect to a display-area center line have a position center, and the light group having the light-emitting diodes with larger pitches therebetween is in a position relatively close to the position center and is in a higher bright bin; the light group having the light-emitting diodes with smaller pitches therebetween is in a position relatively away from the position center and is in a lower bright bin. Therefore, luminous conditions of the overall light-emitting diodes tend to correspondence, and proportion of usage of light-emitting diodes in different bright bins can be increased. | 02-23-2012 |
| 20120044268 | BACKLIGHT MODULE AND A LCD THEREOF - The present invention discloses a backlight module with a related liquid crystal display (LCD) which activates light emitting diodes (LEDs) by utilizing an alternate control method. The present invention utilizes two inverters to individually activate two sets of LEDs through an alternate method. During the same switching cycle period, the two sets of LEDs take turns turning on/off; that is, the two set of LEDs are in a closed state in a duty cycle of 50 percent. Since each set of the LEDs are in a closed condition in half the time during a switching cycle period, both of excess temperature produced by all of the LEDs when lightened simultaneously and thermal power generated during the lighting of the LEDs can be effectively reduced. | 02-23-2012 |
| 20120043895 | LED BACKLIGHT MODULE - The present invention discloses a LED backlight module, used for a liquid crystal display apparatus. The LED backlight module comprises a plurality of location areas and a plurality of lighting string sets. The location areas correspond to a plurality of display areas of the liquid crystal display apparatus respectively. Each location area comprises a plurality of sub location areas corresponding to a portion of the display areas respectively. Each lighting string set comprises a plurality of LEDs, which is electrically connected in series, wherein the LEDs of each lighting string set are located in sub location areas in different location areas, respectively. Meanwhile, the sub location areas for locating the LEDs of each lighting string set are not adjacent. Accordingly, the present invention can prevent the whole LED backlight module scrapped due to few LED failure, and therefore, to raise the manufacture yield of the LED backlight module. | 02-23-2012 |
| 20120037481 | PRODUCTION-LINE DISTRIBUTION CONVEYOR SYSTEM AND RECIPROCATING CONVEYING PLATFORM THEREOF - The present invention provides a production-line distribution conveyor system and a reciprocating conveying platform. The production-line distribution conveyor system has a front delivery end, two rear delivery ends and a reciprocating conveying platform. The reciprocating conveying platform is disposed between the front delivery end and the rear delivery ends, and has two transport mechanisms which are disposed side by side and corresponding to the rear delivery ends, respectively. When the reciprocating conveying platform reciprocally shifts, the two transport mechanisms receive work-pieces by turns and convey the received works-pieces to the corresponding rear delivery end by turns. Since the two transport mechanisms can separately perform a process of conveying one work-piece and a process of receiving another work-piece during a reciprocal shifting movement of the reciprocating conveying platform, the production-line distribution efficiency can be increased. | 02-16-2012 |
| 20120026742 | Light Guide Plate and Manufacturing Method Thereof - The present invention provides a light guide plate and a manufacturing method thereof. The manufacturing method firstly forms a plurality of spherical recesses arranged at intervals on a light-emitting surface of a light guide plate body when the light guide plate body is formed by pressing, and then applies a diffuser particle with corresponding shape on a surface of each of the spherical recesses, so as to complete the manufacture of the light guide plate. When being mounted in a backlight module, the light guide plate benefits the backlight module of reducing the use of diffuser films, so as to reduce the thickness and weight of the backlight module. | 02-02-2012 |
| 20120026653 | PLASTIC HOUSING FOR LIQUID CRYSTAL DISPLAY, MANUFACTURING METHOD THEREOF AND LIQUID CRYSTAL DISPLAY - A plastic housing for a liquid crystal display, a manufacturing method thereof and the liquid crystal display are provided, and the plastic housing is an integral plastic housing, including a lower supporting surface and two side frames oppositely disposed on the lower supporting surface. Each of the two side frames is formed with a shoulder on an inner sidewall thereof. The shoulder has a first planar surface parallel to the lower supporting surface. The shoulder further has a second planar surface perpendicular to the lower supporting surface. The height of the second planar surface is equal to or greater than the thickness of a plurality of optical films. The advantage of the present invention is to employ the integral plastic housing to install the optical films and the panel. The integral plastic housing includes two side frames with the shoulders, so that the optical films and the panel can be commonly assembled together with the integral plastic housing. When needing to replace the backlight source, the optical films and the panel can be commonly disassembled together with the integral plastic housing. Therefore, the optical films can be conveniently and speedily disassembled and assembled and it can avoid being polluted during disassembly and assembly. Moreover, the optical films can be more easily fixed because of the embedded engagement effect of the integral plastic housing. | 02-02-2012 |
| 20120026437 | LIQUID CRYSTAL DISPLAY AND PIXEL UNITS THEREOF - The present invention provides a liquid crystal display and pixel units thereof. The pixel unit has a plurality of subpixel units, and each of the subpixel units is a rectangular block, and the rectangular block is divided into a triangular bright-partition and a triangular dark-partition along an inclined line, and the bright-partition of each subpixel unit corresponds to the dark-partitions of adjacent subpixel units, so as to reduce jagged phenomenon of lines in screen images with the configuration of the pixel unit, and thereby enhance image quality of the liquid crystal display. | 02-02-2012 |
| 20120026423 | EDGE-LIT BACKLIGHT MODULE AND LCD USING THE SAME - The present invention discloses an edge-lit backlight module and a liquid crystal display using the same, which can achieve good local dimming. The edge-lit backlight module includes a light guide plate, which is divided into several sections disposed as a ladder shape. By disposing the light guide plate sections jointed with each other at different levels, a space is defined at a side edge of each section to dispose a light source such as an LED light bar, thereby realizing local dimming for multiple sections with edge-lit illumination. | 02-02-2012 |
| 20120026422 | RESILIENT ENGAGING MEMBER AND LIQUID CRYSTAL DISPLAY MODULE HAVING THE SAME - The present invention discloses a resilient engaging member and a liquid crystal display (LCD) module having the same. The resilient engaging member comprises a leaf spring and a post. The leaf spring comprises connecting portions used to fix the leaf spring and stopping portions for engagement with the post. The post comprises a body used to fix the post and a mating portion for fixed engagement with the stopping portions. The LCD module includes a back plate, a panel, and a front frame installed in sequence, and a plurality of the resilient engaging members disposed between the back plate and the front frame and configured for connection therebetween. The resilient engaging member of the present invention has advantages of reliable connection, easy assembly, and fine resistance to any impact, etc. The LCD module adopting the resilient engaging member can significantly get rid of use of buffering material to reduce thickness of the module, and comply with the technical development trend of downsizing LCD television sets. | 02-02-2012 |
| 20120026136 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a plurality of pixel groups. At least a pixel group is surrounded by a first scan line, a second scan line, a first data line, and a second data line. Each pixel group includes a first transistor, a first subpixel, a second transistor, a second subpixel, a third transistor, a third subpixel, a fourth transistor, and a fourth subpixel. The first transistor is electrically connected with the first scan line and the first data line. The second transistor is electrically connected with the first scan line and the second data line. The third transistor is electrically connected with the second scan line and the first data line. The fourth transistor is electrically connected with the second scan line and the second data line. | 02-02-2012 |
| 20120025721 | BACKLIGHT MODULE - The present invention provides a backlight module, and the backlight module has an LED module which has a plurality of light emitting diodes averagely divided into a plurality of light strings. Forward voltages of the light emitting diodes are between a minimum forward-voltage value and a maximum forward-voltage value, and each of the light strings at least has one first light emitting diode and one second light emitting diode. The first light emitting diode has the minimum forward-voltage value and the second light emitting diode has the maximum forward-voltage value. The backlight module is contributive to lower power loss on a constant current control circuit. | 02-02-2012 |
| 20120020113 | BACKLIGHT 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 |
| 20120014137 | BACKLIGHT MODULE AND HOUSING UNIT STRUCTURE THEREOF - The present invention provides a backlight module and a housing unit structure thereof. The backlight module includes a back plate having a first edge, a second edge, a third edge and a fourth edge. The edges of the back plate are provided with a housing including two housing strips and housing unit structures. The housing strips are disposed on the first edge and the third edge. The length of the housing unit structure is shorter than that of the second or fourth edge of the back plate, so that the second or fourth edge can be mounted with a suitable number of the housing unit structures, while insufficient length portion is compensated by buffering strips. The backlight module uses an adjustable modular design to adjust the number of the housing unit structures and the buffering strips for being suitably applied to various backlight modules with different sizes. Except for reducing the use of material, the development cost and time of the backlight module can be saved. | 01-19-2012 |
| 20120014134 | BACKLIGHT 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 |
| 20120014094 | CONNECTION COMPONENT AND BACKLIGHT MODULE - The present invention provides a connection component and a backlight module. The backlight module is provided with elastic hooks on a first surface of the housing, and the elastic hooks are tightly engaged in a second surface of the back plate, so that it only needs to form the openings on the back plate without punching or riveting to form thread stubs. Thus, the module size will not be affected. During installation of the backlight module, it only needs to slightly provide an external force to engage the elastic hooks into the openings without special installation procedure. | 01-19-2012 |
| 20120014091 | LED PACKAGE ASSEMBLY AND BACKLIGHT MODULE - The present invention provides a LED package assembly and a backlight module. The LED package assembly provides three adjacent individual LED package structures separated from each other, for generating red light, green light and blue light, respectively, all of which are mixed with each other to form white light. The foregoing design can ensure that each color light can not be absorbed or scattered by other color fluorescent powders, so that it is advantageous to individually control each color, enhance the luminous efficiency of each color light and expand the color gamut of white light. | 01-19-2012 |
| 20120013822 | LIQUID CRYSTAL DISPLAY MODULE, BACKLIGHT MODULE AND BACK PLATE THEREOF - The present invention discloses a liquid crystal display module, a backlight module and a back plate thereof. The back plate has a back-plate mainbody disposed on a bottom of the backlight module, and two bent structures integrally and symmetrically arranged on two opposite sides of the back-plate mainbody for supporting an optical film assembly of the backlight module. The present invention is applied to a LCD module with a separate-type backlight module design for saving the used number of housing strips, simplifying the structure of the backlight module, and enhancing the stability thereof. | 01-19-2012 |
| 20120013647 | BACKLIGHT MODULE - A backlight module capable of dynamically adjusting brightness is proposed. According to the present invention, a backlight module comprises a light guide plate for guiding light, a first light source unit, and a second light source unit. A ridge-shaped groove is disposed on the middle of the bottom surface of the light guide plate. The first light source unit and the second light source unit are respectively disposed at the opposite sides of the light guide plate. Both of the first light source unit and the second light source unit comprises at least one light source. Each of the light sources of the first light source unit is symmetrically arranged with each of the light sources of the second light source unit on a one-on-one basis. The ridge-shaped groove divides the backlight module into two independent luminance domains, each dividing into multiple subdomains. Actual luminance of each subdomain is adjustable based on its predetermined brightness and distributions, reducing power consumption and enhance an image contrast. | 01-19-2012 |
| 20120013589 | LCD AND CIRCUIT ARCHITECTURE THEREOF - A liquid crystal display (LCD) and circuit architecture thereof are proposed. Power signal lines, data signal lines, and control signal lines are mounted on a printed circuit board (PCB) and a thin film substrate. The thin film substrate is connected to a LCD panel by using a COF bonding. These circuits can be transferred onto a conductive glass of the panel and subsequently onto source driver chips of the thin film substrate of the COF. Therefore, a position which needs the least time for power signal lines, data signal lines, and control signal lines to transmit to all of the circuits of the panel on the PCB can be calculated in order to achieve the best design. | 01-19-2012 |
| 20120013527 | BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The display apparatus comprises a backlight module and a display panel. The backlight module comprises a light guide plate and a plurality of light sources. The light guide plate has a bottom surface. The bottom surface is formed with a middle trench. The middle trench comprises dimming cants. The light sources are positioned at two opposite sides of the light guide plate in accordance with the dimming cants. The present invention can adjust a light intensity distribution and promote the central brightness of the screen. | 01-19-2012 |
| 20120012866 | BACKLIGHT MODULE AND LIGHT-EMITTING SOURCE PACKAGE STRUCTURE THEREOF - The present invention provides a backlight module and a light-emitting source package structure thereof. The light-emitting source package structure comprises: a heat-dissipation base, at least one chip and a heat-dissipation fixing element. The heat-dissipation base has a connection hole. The heat-dissipation fixing element further has a connection post and a heat-dissipation fin with an abutting surface, and the connection post of the heat-dissipation fixing element passes through a through hole of a fixed plate to fix in the connection hole, so that for closely aligning the abutting surface of the heat-dissipation fin and can abut against the fixed plate. Thus, and the heat-dissipation base and the heat-dissipation fixing element are stably fixed on the both sides of the fixed plate to ensure the tightly abutting relationship with the fixed plate and enhance the assembly reliability. Meanwhile, the heat-dissipation fin can additionally increase the heat-dissipation efficiency of the heat-dissipation fixing element. Thus, the temperature of the chip can be surely lowered to prevent from lowing the working efficiency of the chip. Hence, it is advantageous for the chip to stably work, and the lifetime thereof can be increased. | 01-19-2012 |
| 20120007523 | BACKLIGHT MODULE AND AN LCD THEREOF - A backlight module and a liquid crystal display (LCD) device thereof are proposed. The backlight module includes a DC/DC converter producing a positive/negative voltage level. The backlight module can output the positive and negative levels of driving voltage from an output end of the inverter to drive LEDs through alternately switching. Besides, a constant current can be obtained with designs of power on/off periods and energy-storing inductors to prevent LEDs employing current limiting resistors from having too low current efficiency and from being burnt out. | 01-12-2012 |
| 20120001571 | BACKLIGHT MODULE DETECTING ABNORMAL LAMP TUBES AND AN LCD THEREOF - A backlight module detecting abnormal lamp tubes and an LCD employing such a backlight module are proposed. The LCD includes a voltage calculator for detecting voltage applied on ends of a lamp tube to monitor the lamp tube. Once the lamp tube becomes abnormal, the voltage varies accordingly. The voltage calculator calculates a voltage signal from a plurality of lamp tubes and produces a voltage value. A protection circuit regards the voltage value as a feedback signal to decide if there are any abnormalities. Once any of the lamp tubes is abnormal, the protection circuit transmits the voltage signal to a pulse-width modulated integrated circuit (PWM IC) to activate a protective function. The protection circuit of the present invention obtains the protection signal by sampling the voltage signal of the ends of the lamp tube and then gets the control signal by means of the calculation of the voltage calculator. Thus, voltage level retrieved from the protection signal are less easily affected by dimming and temperature. | 01-05-2012 |
| 20110310589 | BACKLIGHT MODULE AND LAMP FASTENER THEREOF - The present invention provides a backlight module and a lamp fastener thereof. The lamp fastener has at least two support rods, two movable levers and at least two retaining bars, all of which constructs a movable mechanism for providing at least one closed movable space to stably clamp and position at least one backlight lamp. Thus, it can efficiently prevent the backlight lamp from being separated from the lamp fastener, so that the installation reliability of the backlight lamp and the yield of the impact test thereof can be efficiently enhanced. | 12-22-2011 |
| 20110310588 | BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The backlight module comprises a heat dissipation plate, a back bezel and at least one light source. The heat dissipation plate includes a plurality of fluid channels and a heat dissipation fluid, wherein the heat dissipation fluid flows in the fluid channels. The back bezel is disposed on the heat dissipation plate. The at least one light source disposed on the back bezel. The display apparatus comprises the backlight module and a display panel. The present invention can raise the heat dissipation efficiency of the backlight module. | 12-22-2011 |