Patents Assigned to Au Optronics Corporations
  • Publication number: 20080100772
    Abstract: The present invention provides a backlight module and a light source device used therein. The present invention also provides the light source device manufacturing method. The light source device comprises a circuit substrate, light-emitting elements and a solder-resist reflective layer. The circuit substrate has a metal circuit layer and contacts thereon. The light-emitting elements are arranged in the form of arrays on the circuit substrate and are connected to the contacts. One end of each contact is connected to the metal circuit layer, and the other end is connected to the light-emitting element. The solder-resist reflective layer is formed on the circuit substrate and is disposed on the same side as the light-emitting elements. The solder-resist reflective layer covers the metal circuit layer but exposes the contacts.
    Type: Application
    Filed: October 30, 2007
    Publication date: May 1, 2008
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Po-Iem Lin, Yu-Chuan Lin
  • Patent number: 7365486
    Abstract: A high contrast organic light-emitting device (OLED) includes a composite electron transport layer including a generally transparent electron transport layer and a light-absorbent electron transport layer formed of buckminsterfullerene. The light-absorbent electron transport layer absorbs environmental light and the OLED provides an undistorted display with high contrast. The light-absorbent electron transport layer may be disposed directly between the generally transparent electron transport layer which may be formed of Alq, and an LiF electron injection layer of a metallic cathode.
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: April 29, 2008
    Assignee: AU Optronics Corporation
    Inventors: Shi-Hao Lee, Chung-Wen Ko
  • Publication number: 20080094533
    Abstract: An electrostatic discharge protection device, an electrostatic discharge protection structure, and a manufacturing process of the device are provided. The electrostatic discharge protection device includes at least four doping regions, wherein two adjacent regions are of different types. The electrostatic discharge protection structure includes an electrostatic discharge bus, a plurality of first electrostatic discharge protection devices connecting to the gates of the display transistors and the electrostatic discharge bus, a plurality of second electrostatic discharge protection devices connecting to the source/drain of the transistors and the electrostatic discharge bus, and a plurality of third electrostatic discharge protection devices connecting to the input/output terminals of the drive circuit of the display and the electrostatic discharge bus.
    Type: Application
    Filed: August 21, 2007
    Publication date: April 24, 2008
    Applicant: AU Optronics Corporation
    Inventors: Ming-Dou Ker, Chih-Kang Deng, Wein-Town Sun
  • Publication number: 20080094331
    Abstract: A driving method for reducing the color shift suitable for driving a display panel is disclosed. The display panel includes at least one scan line, at least one data line, and at least one pixel unit electrically connected to the scan line and the data line. The driving method includes the following steps. First, turn on the pixel unit by the scan line during a frame period. Transmit a frame signal to the pixel unit by the data line during the frame period as the pixel unit is turned on. Turn on the pixel unit by the scan line between the present frame period and the next frame period. Transmit a revising signal to the pixel unit by the data line between the present frame period and the next frame period as the pixel unit is turned on, so as to reduce the color shift of the pixel unit.
    Type: Application
    Filed: January 22, 2007
    Publication date: April 24, 2008
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Feng-Shou Lin, Yu-Yuan Chang, Kuo-Liang Shen, Liang-Bin Yu
  • Publication number: 20080094562
    Abstract: A liquid crystal display (LCD) panel including a thin film transistor (TFT) array substrate, a color filter substrate, a sealant, and a liquid crystal layer is provided. The TFT array substrate includes a substrate, a plurality of pixel structures, a plurality of scan lines, a plurality of data lines, and a light-shielding pattern. The scan lines and data lines are disposed on the substrate for controlling the operation of the pixel structures. The light-shielding pattern arranged on the periphery of the panel traverses the scan lines and data lines and is electrically insulated from the scan lines and data lines. The sealant is sandwiched between the TFT array substrate and the color filter substrate and is corresponding to the light-shielding pattern. The liquid crystal layer is disposed between the TFT array substrate, the color filter substrate, and the sealant.
    Type: Application
    Filed: November 26, 2006
    Publication date: April 24, 2008
    Applicant: Au Optronics Corporation
    Inventors: Hao-Chieh Lee, Ming-Hung Shih
  • Publication number: 20080094345
    Abstract: A backlight unit usable in a liquid crystal display. In one embodiment, the backlight unit includes a substrate having an edge zone and a central zone surrounded by the edge zone, a first plurality of light emitting elements positioned in the central zone of the substrate, a second plurality of light emitting elements positioned in the edge zone of the substrate, and an electronic controlling means for controlling the light emitted from the first plurality of light emitting elements and the second plurality of light emitting elements such that in operation, the output power per unit area by the second plurality of light emitting elements in the edge zone is less than that by the first plurality of light emitting elements in the central zone.
    Type: Application
    Filed: October 19, 2006
    Publication date: April 24, 2008
    Applicant: AU Optronics Corporation
    Inventors: Shin-Chin Tseng, Shen-Hong Chou, Fu-Cheng Wei, Shien-Chih Ho, Horng-Bin Hsu, Chung Peng
  • Patent number: 7361072
    Abstract: A plasma display panel and the manufacturing method thereof. Forming partition wall structures on the back substrate of the paste display panel and forming the column-shaped protrusions at the positions corresponding to the cuts on the rib on the front substrate of the plasma display panel. The manufacturing process is simple and the alignment of the front and back substrate is easy. In addition, the size of the opening of the rib and the size of the cut can be easily adjusted according to the needs of the application during the manufacturing process.
    Type: Grant
    Filed: February 27, 2006
    Date of Patent: April 22, 2008
    Assignee: AU Optronics Corporation
    Inventors: Chu-Shan Lin, Bing-Ming Ho, Tzu-Pang Chiang
  • Patent number: 7362390
    Abstract: A thin film transistor array comprising a plurality of common lines for providing the storage capacitance of pixels is provided. In particular, each of the common lines comprises a plurality of branches. Wherein, the common line and the branches thereof, and the pixel electrode constitute the storage capacitor. The branches are disposed at pixels where the luminance quality is bad. Therefore, the storage capacitance of the pixels can be enhanced without altering the aperture ratio of the pixels. Accordingly, the performance of the liquid crystal display panel can be improved.
    Type: Grant
    Filed: November 12, 2004
    Date of Patent: April 22, 2008
    Assignee: Au Optronics Corporation
    Inventor: Han-Chung Lai
  • Publication number: 20080088774
    Abstract: An LCD panel including a first substrate, a second substrate disposed above the first substrate, a plurality of signal lines disposed on the first substrate, and a plurality of sub-pixel sets arranged between the first substrate and the second substrate. Each sub-pixel set includes a plurality of sub-pixels electrically connected to the corresponding signal lines. Each sub-pixel has at least one alignment pattern located therein. Additionally, the alignment pattern located in one sub-pixel of each sub-pixel set supports between the first substrate and the second substrate as a spacer.
    Type: Application
    Filed: July 17, 2007
    Publication date: April 17, 2008
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Shih-Chyuan Fan Jiang, Ching-Huan Lin, Chih-Ming Chang
  • Publication number: 20080088545
    Abstract: An active matrix organic light emitting diode (AMOLED) panel is disclosed. The AMOLED panel comprises a pixel array, a temperature sensor and a feedback control circuit. The temperature sensor measures the temperature of the AMOLED panel. The feedback control circuit decides the driving current of the AMOLED panel according to the temperature of the AMOLED panel. Since the driving current is inversely proportional to the measured temperature of the AMOLED panel in the present invention, the possibility of subjecting the AMOLED to too high in a temperature and a current is avoided and the lifetime of the AMOLED can be increased.
    Type: Application
    Filed: August 30, 2007
    Publication date: April 17, 2008
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Chi-Wen Chen, Meng-Hsiang Chang
  • Publication number: 20080089063
    Abstract: A diffuser plate and a backlight module using the same are provided. The backlight module includes a light source module and the diffuser plate disposed on the light source module. The diffuser plate has a plate body, a plurality of light-scattering areas and a plurality of light-gathering areas. The light-scattering areas and the light-gathering areas are alternately disposed on a light-entrance surface or a light-exit surface of the plate body. The light-scattering area includes a plurality of cambered units while each cambered unit has a convex cambered surface. The light-gathering area includes a plurality of prism lenses. Two side surfaces of the prism lenses intersect at an angle ?.
    Type: Application
    Filed: October 8, 2007
    Publication date: April 17, 2008
    Applicant: AU OPTRONICS CORPORATION
    Inventor: Chung-Chuan Chen
  • Publication number: 20080088564
    Abstract: A driving circuit includes a plurality of connected driving circuit units, and each of the driving circuit units includes an input unit, an output unit, a first control unit, a second control unit, and a pull-down circuit. Each of the driving circuit units receives a start signal and a clock signal to output an output signal to a next driving circuit unit. The first control unit, the second control unit, and the pull-down circuit are used to release the accumulative charges of the circuit and stabilize the output signal.
    Type: Application
    Filed: June 5, 2007
    Publication date: April 17, 2008
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Lee-Hsun Chang, Jing-Ru Chen, Yu-Wen Lin, Yung-Tse Cheng
  • Publication number: 20080088610
    Abstract: A driving circuit controlled with a clock signal to drive scan lines of a liquid crystal display includes cascade-connected driving circuit units, and each of the driving circuit units includes an input unit, an output unit, a pull-down circuit, and a control unit. The input unit receives a start signal, and the output unit outputs a driving signal and a carry signal, and the pull-down circuit and the control unit stabilizes the driving signal and the carry signal to prevent the circuit errors.
    Type: Application
    Filed: March 5, 2007
    Publication date: April 17, 2008
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Lee-Hsun Chang, Jing-Ru Chen, Yu-Wen Lin, Yung-Tse Cheng
  • Publication number: 20080088544
    Abstract: A control circuit for use in an active matrix organic light emitting diode (AMOLED) panel comprising a memory unit and a voltage control unit is provided. The operating time of the AMOLED panel is counted and saved by the memory unit. According to the memory unit's information, the voltage control unit decides a common voltage. The purpose of the present invention is to reduce the common voltage when the turn-on time of the AMOLED panel is increased so that the increase in the voltage difference between the two terminals of an organic light emitting diode (OLED) of the AMOLED panel may be compensated. Thus, the present invention may provide a stable driving current for the OLED and a stable picture definition for the AMOLED panel.
    Type: Application
    Filed: March 8, 2007
    Publication date: April 17, 2008
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Chi-Wen Chen, Meng-Hsiang Chang
  • Patent number: 7358536
    Abstract: An active matrix substrate includes a substrate, pixel units, driving lines, and an electrostatic discharge protection circuit. The substrate has an active region and a peripheral region. The pixel units are arranged to form a matrix inside the active region. The driving lines are inside the active region and the peripheral region, and electrically connected to pixel units. The ESD protection circuit is inside the peripheral region of the substrate and electrically connected to the pixel units. Furthermore, the ESD protection circuit includes a first conductive line, a second conductive line, first protective elements, and second protective elements. The first protective elements are between the first conductive line and the second conductive line, and are electrically connected to corresponding driving lines. The second protective elements are adjacent to the outer-most driving line and electrically connected to the first and the second conductive line for protecting the outermost driving line.
    Type: Grant
    Filed: September 18, 2005
    Date of Patent: April 15, 2008
    Assignee: Au Optronics Corporation
    Inventor: Han-Chung Lai
  • Patent number: 7358684
    Abstract: A driving circuit uses a plurality of transformers to provide currents for driving a plurality of LEDs associated with a plurality of current paths. Each transformer has two induction coils with a coil turn ratio between to the number of turns in each induction coil. One induction coil is used to provide an output current to a different current path and the other induction coil is connected to the corresponding induction coil of other transformers for forming a current loop. The output current of each transformer has a relationship with the output current of the other transformers depending on the coil turn ratios of the connected transformers. LEDs in red, blue and green colors can be connected to different current paths so that the brightness of the LEDs in each color can be determined by the current in a current path.
    Type: Grant
    Filed: February 15, 2007
    Date of Patent: April 15, 2008
    Assignee: AU Optronics Corporation
    Inventors: Chin-Der Wey, Ya-Yun Yu, Hsien-Jen Li, Yueh-Pao Lee
  • Patent number: 7359028
    Abstract: A method of manufacturing a liquid crystal display device having good display quality, includes defoaming a liquid crystal composition having a mixture of liquid crystal and a polymerizable component to be polymerized by light or heat; dropping or transferring the liquid crystal composition onto one substrate; and attaching the one substrate and another substrate together in vacuum, and filling the liquid crystal composition therein by returning vacuum back to the atmospheric pressure. A polymerizing step polymerizes the polymerizable component.
    Type: Grant
    Filed: August 30, 2004
    Date of Patent: April 15, 2008
    Assignees: Fujitsu Limited, Au Optronics Corporation
    Inventors: Shota Makimoto, Hiroyasu Inoue, Yuichi Inoue, Satoshi Murata
  • Publication number: 20080084367
    Abstract: A control apparatus and a panel assembly are provided. The panel assembly comprises a panel device and a control apparatus. The panel device includes a plurality of organic light emitting diodes and a power system. The control apparatus is configured to control the panel device and includes a drive circuit and an interface. The drive circuit is electrically connected to the panel and is configured to retrieve a parameter of the panel device. The interface is configured to transmit a signal comprising the parameter to the power system so that the power system drives the organic light emitting diodes of the panel under a voltage level determined by the parameter.
    Type: Application
    Filed: February 7, 2007
    Publication date: April 10, 2008
    Applicant: AU OPTRONICS CORPORATION
    Inventor: Shuo-Hsiu Hu
  • Publication number: 20080080211
    Abstract: A backlight module including a first frame, a light guide plate, and a light source is provided. The inner surface of the first frame has at least a first reflection area. In addition, the light guide plate is disposed in the first frame and located beside the first reflection area, and the light guide plate has a light incident surface. Moreover, the light source is disposed in the first frame and between the first reflection area and the light incident surface. The first reflection area is suitable for reflecting a part of the light emitted from the light source to the light incident surface. A liquid crystal display using the backlight module is also provided.
    Type: Application
    Filed: December 1, 2006
    Publication date: April 3, 2008
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Yung-Pin Chuang, Szu-Han Li, Ching-Fu Tien, Keng-Ju Lin, Cheng-Hua Tien, Tsung-Hsien Hsieh
  • Patent number: 7350326
    Abstract: A double-sided display is provided. The double-sided display includes two display panels comprising electroluminescene panels, organic light emitting panels, and polymer light emitting panels. The two display panels are stacked partially overlapped. A flexible printed circuit board having a bending portion adapted for electrically connecting with the two display panels.
    Type: Grant
    Filed: July 15, 2005
    Date of Patent: April 1, 2008
    Assignee: AU Optronics Corporation
    Inventor: Shuo-Hsiu Hu