Patents by Inventor Chih-Jen Hu

Chih-Jen Hu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7956948
    Abstract: A pixel structure formed on a substrate and electrically connected with a scan line and a data line, and including a semiconductor pattern and a pixel electrode is provided. The semiconductor pattern includes at least two channel areas, at least one doping area, a source area, and a drain area. The channel areas are located below the scan line and have different aspect ratios. The doping area is connected between the channel areas. The pixel electrode electrically connects the drain area, the source area is connected between one of the channel areas and the data line, and the drain area is connected between the other channel area and the pixel electrode. The scan line has different widths above different channel areas, and a length of each channel area is substantially equal to the width of the scan line.
    Type: Grant
    Filed: October 13, 2009
    Date of Patent: June 7, 2011
    Assignee: Au Optronics Corporation
    Inventors: Chia-Chiang Hsiao, Cheng Lo, Chih-Jen Hu
  • Publication number: 20110095971
    Abstract: An electrophoresis display pixel including an electrophoresis display film, a substrate, a first active device, a second active device, a first electrode, and a second electrode is provided. The substrate is disposed on the electrophoresis display film, and the substrate has a transparent region and a non-transparent region. The first active device and the second active device are disposed on the substrate and located in the non-transparent region. The first electrode is disposed on the substrate, located in the transparent region, and electrically connected to the first active device. The second electrode is disposed on the substrate, located in the non-transparent region, and electrically connected to the second active device. A light passes through the transparent region and enters the electrophoresis display film to be displayed. A display apparatus including the abovementioned electrophoresis display pixel is also provided.
    Type: Application
    Filed: December 15, 2009
    Publication date: April 28, 2011
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Hsiang-Lin Lin, Chia-Hsun Tu, Chih-Jen Hu, Wei-Ming Huang
  • Patent number: 7924354
    Abstract: A pixel structure includes a bright region and a pale region, and the pale region includes a first capacitance coupling region and a second capacitance coupling region. The first capacitance coupling region includes a first coupling capacitor, the second capacitance coupling region includes a second coupling capacitor, and the first coupling capacitor and the second coupling capacitor are connected in parallel.
    Type: Grant
    Filed: March 24, 2009
    Date of Patent: April 12, 2011
    Assignee: AU Optronics Corp.
    Inventors: Ying-Chi Lu, Tsung-Chin Cheng, Chih-Jen Hu
  • Patent number: 7924352
    Abstract: A pixel structure of a liquid crystal display panel includes a first transparent substrate, a first data line, a second data line, a transparent electrode, and a compensating conducting pattern layer. In a display region, the first side of the transparent electrode and the first data line partially overlap, forming a first parasitic capacitor, the second side of the transparent electrode and the second data line partially overlap, forming a second parasitic capacitor smaller than the first parasitic capacitor. In a non-display region, the first side of the transparent electrode and the first data line partially overlap, forming a third parasitic capacitor, and the second side of the transparent electrode and the compensating conducing pattern layer partially overlap, forming a fourth parasitic capacitor. The total parasitic capacitance of the first and the third parasitic capacitors and the total parasitic capacitance of the second and the fourth parasitic capacitors are substantially equal.
    Type: Grant
    Filed: November 12, 2008
    Date of Patent: April 12, 2011
    Assignee: AU Optronics Corp.
    Inventors: Chia-Chiang Hsiao, Cheng Lo, Ching-Sheng Cheng, Chih-Jen Hu
  • Patent number: 7903322
    Abstract: An electro-phoretic display film includes a conductive layer, a dielectric layer disposed on the conductive layer, a plurality of electro-phoretic display media, and a sealing material. The dielectric layer has a plurality of micro-cups arranged in an array and a trench surrounding the micro-cups. The electro-phoretic display media are exclusively disposed within the micro-cups, and the sealing material is exclusively disposed within the trench.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: March 8, 2011
    Assignee: Au Optronics Corporation
    Inventors: Wei-Chia Fang, Chun-Hung Chu, Chih-Jen Hu
  • Patent number: 7898604
    Abstract: A three-dimension display suitable for a viewer wearing a pair of eyeglasses is disclosed. The eyeglasses have two circular polarized eyeglass lenses with different polarizations. The three-dimension display includes a flat display panel, a quarter-wave plate and a patterned half-wave plate. The flat display panel has a plurality of pixels arranged in an array, wherein the flat display panel is suitable to display a linear polarized image. The quarter-wave plate is disposed between the flat display panel and the eyeglasses. The patterned half-wave plate is disposed between the flat display panel and the eyeglasses, wherein the patterned half-wave plate corresponds to a part of the pixels. The present invention also provides a fabrication method of a three-dimension display.
    Type: Grant
    Filed: September 15, 2010
    Date of Patent: March 1, 2011
    Assignee: Au Optronics Corporation
    Inventors: Pi-Chun Yeh, Yue-Shih Jeng, Chih-Jen Hu
  • Patent number: 7894025
    Abstract: An LCD including a color filter substrate, an array substrate, and a liquid crystal layer therebetween is provided. This color filter substrate has a plurality of color filters with overlap regions acting as a black matrix. Subsequently, patterned regions are defined in part of the overlap regions. After formation of a planarization layer and a conductive layer, spacers are formed in the patterned regions. The spacers may not shield the transparent region of the color filters, thereby enhancing the aperture ratio of the color filter substrate. Additionally, the thickness of the planarization layer in the patterned regions is not influenced by the overlap of the color filters, such that the spacers thereon have a uniform height. Furthermore, the at least one spacer of the color filter substrate and at least one data line of the array substrate are overlapped.
    Type: Grant
    Filed: March 15, 2010
    Date of Patent: February 22, 2011
    Assignee: Au Optronics Corp.
    Inventors: Ching-Sheng Cheng, Chih-Jen Hu
  • Publication number: 20110013257
    Abstract: An electro-phoretic display film includes a conductive layer, a dielectric layer disposed on the conductive layer, a plurality of electro-phoretic display media, and a sealing material. The dielectric layer has a plurality of micro-cups arranged in an array and a trench surrounding the micro-cups. The electro-phoretic display media are exclusively disposed within the micro-cups, and the sealing material is exclusively disposed within the trench.
    Type: Application
    Filed: August 31, 2009
    Publication date: January 20, 2011
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Wei-Chia Fang, Chun-Hung Chu, Chih-Jen Hu
  • Publication number: 20110002037
    Abstract: A three-dimension display suitable for a viewer wearing a pair of eyeglasses is disclosed. The eyeglasses have two circular polarized eyeglass lenses with different polarizations. The three-dimension display includes a flat display panel, a quarter-wave plate and a patterned half-wave plate. The flat display panel has a plurality of pixels arranged in an array, wherein the flat display panel is suitable to display a linear polarized image. The quarter-wave plate is disposed between the flat display panel and the eyeglasses. The patterned half-wave plate is disposed between the flat display panel and the eyeglasses, wherein the patterned half-wave plate corresponds to a part of the pixels. The present invention also provides a fabrication method of a three-dimension display.
    Type: Application
    Filed: September 15, 2010
    Publication date: January 6, 2011
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Pi-Chun Yeh, Yue-Shih Jeng, Chih-Jen Hu
  • Publication number: 20100315566
    Abstract: A three-dimensional display including a display and a micro-lens is provided. The display has a plurality of pixel units thereon, and each pixel unit has a pixel pitch i. The micro-lens is disposed at a side of the display, the micro-lens has a plurality of lens units thereon, and each lens unit has a lens pitch l. A right eye viewing zone and a left eye viewing zone are formed if an image displayed from the display passes though the micro-lens, wherein a distance between the center of the right eye viewing zone and the center of the left eye viewing zone is wz, and lens pitch l satisfies: 2 ? i > l > 2 ? i × w z w z + i , wz is between 70 and 500 mm and i is between 0.1 and 500 ?m.
    Type: Application
    Filed: August 25, 2009
    Publication date: December 16, 2010
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Wen-Lung Chen, Chih-Jen Hu, Yue-Shih Jeng, I-Hsiung Huang, Po-Wei Wu, Yu-June Wu, Chih-Wen Chen, Meng-Chieh Tsai
  • Patent number: 7850359
    Abstract: An optical film of a display and a method for producing the same are provided. The display includes a light source and an optical film. The light source provides the first light. The optical film includes at least one coating layer. The coating layer has a first surface and a second surface opposite to the first surface. The coating layer is adapted to absorb the first light from the first surface to excite a second light to emit through the second surface. The intensity of the second light is larger than that of the first light.
    Type: Grant
    Filed: April 18, 2008
    Date of Patent: December 14, 2010
    Assignee: Au Optronics Corp.
    Inventors: Yue-Shih Jeng, Pi-Chun Yeh, Chih-Jen Hu, Feng-Yuan Gan
  • Patent number: 7821583
    Abstract: A three-dimension display suitable for a viewer wearing a pair of eyeglasses is disclosed. The eyeglasses have two circular polarized eyeglass lenses with different polarizations. The three-dimension display includes a flat display panel, a quarter-wave plate and a patterned half-wave plate. The flat display panel has a plurality of pixels arranged in an array, wherein the flat display panel is suitable to display a linear polarized image. The quarter-wave plate is disposed between the flat display panel and the eyeglasses. The patterned half-wave plate is disposed between the flat display panel and the eyeglasses, wherein the patterned half-wave plate corresponds to a part of the pixels. The present invention also provides a fabrication method of a three-dimension display.
    Type: Grant
    Filed: February 22, 2008
    Date of Patent: October 26, 2010
    Assignee: Au Optronics Corporation
    Inventors: Pi-Chun Yeh, Yue-Shih Jeng, Chih-Jen Hu
  • Patent number: 7777841
    Abstract: A transflective liquid crystal display panel having a single gap is provided. The liquid crystal display panel has a first substrate, a second substrate substantially corresponding to the first substrate, and a liquid crystal layer disposed therebetween. The first substrate includes a plurality of pixel regions, and each pixel region has at least one reflection region covered with a reflective electrode and at least one transmission region. When voltage is not applied, the liquid crystal layer in the transmission regions and in the reflection regions has a phase difference of half wavelength, and when a voltage is applied, the liquid crystal layer in the transmission regions has no phase difference, and the liquid crystal layer in the reflection regions has a phase difference of quarter wavelength.
    Type: Grant
    Filed: October 17, 2006
    Date of Patent: August 17, 2010
    Assignee: AU Optronics Corp.
    Inventors: Hsiu-Chi Tung, Li-Ping Liu, Chih-Jen Hu, Chih-Ming Chang
  • Publication number: 20100201927
    Abstract: A display panel includes a first substrate, a second substrate, signal lines, sub-pixels, and at least one thickness adjusting layer. The second substrate is disposed above the first substrate and has a transparent electrode layer thereon. The signal lines are disposed on the first substrate. The sub-pixels are arranged between the first and second substrates. The sub-pixels are electrically connected with the signal lines, and parts of them have at least one transparent area and at least one reflective area. The transparent area has a transparent electrode therein, and the reflective area has a reflective electrode therein, respectively. The thickness adjusting layer is disposed above the reflective electrode and located at the reflective area of the part of the sub-pixels.
    Type: Application
    Filed: June 17, 2009
    Publication date: August 12, 2010
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Yu-Ping Kuo, Shih-Chyuan Fan Jiang, Chih-Jen Hu
  • Patent number: 7773167
    Abstract: A pixel structure disposed on a substrate and electrically connected to two scan lines and a data line is provided. The pixel structure includes a reflective electrode, a first transparent electrode, a second transparent electrode and a semiconductor layer. The first transparent electrode is electrically connected to the reflective electrode and is insulated from the second transparent electrode.
    Type: Grant
    Filed: December 4, 2007
    Date of Patent: August 10, 2010
    Assignee: Au Optronics Corp.
    Inventors: Meng-Chang Tsai, Tsung-Chin Cheng, Chih-Jen Hu
  • Patent number: 7755725
    Abstract: A transflective liquid crystal display panel is disclosed. The liquid crystal display panel includes an array substrate and a storage capacitor disposed on the array substrate. The array substrate includes a transmitting region and a reflecting region, in which the storage capacitor is disposed on the reflecting region of the array substrate. The storage capacitor also includes a first transparent conducting layer disposed on the array substrate, a dielectric layer disposed on the first transparent conducting layer, and a reflective conducting layer disposed on the dielectric layer.
    Type: Grant
    Filed: April 8, 2008
    Date of Patent: July 13, 2010
    Assignee: AU Optronics Corp.
    Inventors: Tun-Chun Yang, Chih-Jen Hu
  • Publication number: 20100165273
    Abstract: An LCD including a color filter substrate, an array substrate, and a liquid crystal layer therebetween is provided. This color filter substrate has a plurality of color filters with overlap regions acting as a black matrix. Subsequently, patterned regions are defined in part of the overlap regions. After formation of a planarization layer and a conductive layer, spacers are formed in the patterned regions. The spacers may not shield the transparent region of the color filters, thereby enhancing the aperture ratio of the color filter substrate. Additionally, the thickness of the planarization layer in the patterned regions is not influenced by the overlap of the color filters, such that the spacers thereon have a uniform height. Furthermore, the at least one spacer of the color filter substrate and at least one data line of the array substrate are overlapped.
    Type: Application
    Filed: March 15, 2010
    Publication date: July 1, 2010
    Applicant: AU OPTRONICS CORP.
    Inventors: Ching-Sheng Cheng, Chih-Jen Hu
  • Patent number: 7742134
    Abstract: In a transflective liquid crystal display comprising a plurality of pixels, each is divided into three color sub-pixels in red, green and blue. Each of the color sub-pixels is further divided into a main sub-pixel and an auxiliary sub-pixel. The main sub-pixel comprises a transflective area and a reflective area. The auxiliary sub-pixel can be entirely transmissive, reflective or partially transmissive and reflective. The liquid crystal display further comprises a plurality of first gate lines for electrically controlling the main sub-pixels and a plurality of second gate lines for electrically controlling the auxiliary sub-pixels. The auxiliary sub-pixels may have a color filter for partially filtering light encountering the auxiliary sub-pixels according to the color of the color sub-pixels.
    Type: Grant
    Filed: December 9, 2004
    Date of Patent: June 22, 2010
    Assignee: Au Optronics Corporation
    Inventors: Chih-Jen Hu, Chih-Ming Chang
  • Publication number: 20100149461
    Abstract: A liquid crystal display device uses a first quarter-wave retardation film and a hybrid aligned nematic film to reduce light leakage in dark state for reaching high contrast ratio, and uses multiple-gamma IC to provide different gamma-curve signals for pixels of different colors to solve color shift problem. In addition, the liquid crystal display device may use a second quarter-wave retardation film to reduce light leakage when viewed in a wide angle so as to further provide higher contrast ratio.
    Type: Application
    Filed: June 29, 2009
    Publication date: June 17, 2010
    Inventors: Cheng Lo, Yung-Lun Lin, Ching-Sheng Cheng, Chih-Jen Hu
  • Patent number: 7728917
    Abstract: A pixel structure formed on a substrate and electrically connected with a scan line and a data line, and including a semiconductor pattern and a pixel electrode is provided. The semiconductor pattern includes at least two channel areas, at least one doping area, a source area, and a drain area. The channel areas are located below the scan line and have different aspect ratios. The doping area is connected between the channel areas. The pixel electrode electrically connects the drain area, the source area is connected between one of the channel areas and the data line, and the drain area is connected between the other channel area and the pixel electrode. The scan line has different widths above different channel areas, and a length of each channel area is substantially equal to the width of the scan line.
    Type: Grant
    Filed: April 7, 2008
    Date of Patent: June 1, 2010
    Assignee: Au Optronics Corporation
    Inventors: Chia-Chiang Hsiao, Cheng Lo, Chih-Jen Hu