Patents by Inventor Wei-Yuan Cheng

Wei-Yuan Cheng 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).

  • Publication number: 20130113695
    Abstract: A display device includes a first panel and a second panel stacked together. The first panel includes a first active region, a first peripheral region, a first substrate, a second substrate, a display medium, a pixel array integrated with a color filter film, a common electrode, and a first light shielding layer. The second panel includes a second active region, a second peripheral region, a third substrate, an element layer, and a second light shielding layer disposed in the second peripheral region. The first light shielding layer includes first light shielding patterns leaning against the pixel array and the common electrode and second light shielding patterns forming a black matrix in the first active region. The second light shielding patterns are shorter than the first light shielding patterns. The second active region is smaller than, the first active region. The second peripheral region is larger than the first peripheral region.
    Type: Application
    Filed: April 11, 2012
    Publication date: May 9, 2013
    Applicant: Au Optronics Corporation
    Inventors: Wen-Hsien Tseng, Yen-Heng Huang, Chia-Hui Pai, Chung-Kai Chen, Wei-Yuan Cheng, Ming-Yung Huang
  • Patent number: 8421961
    Abstract: An active device array substrate including a substrate, a plurality of scan lines, a plurality of data lines, a plurality of active devices, a first passivation layer, a transparent pad layer, a plurality of color filter patterns, a second passivation layer, a plurality of pixel electrodes, and a black matrix layer is provided. Each of the active devices is electrically connected to one of the scan lines and one of the data lines, respectively. The transparent pad layer having a plurality of openings for accommodating the color filter patterns is disposed on the first passivation layer located above the scan lines and the data lines. The first passivation layer, the color filter patterns and the second passivation layer have a plurality of contact windows therein. The black matrix layer is disposed above the transparent pad layer to cover a portion of the pixel electrodes.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: April 16, 2013
    Assignee: Au Optronics Corporation
    Inventors: Wen-Hsien Tseng, Yen-Heng Huang, Chia-Hui Pai, Chung-Kai Chen, Wei-Yuan Cheng, Wen-Chuan Chen
  • Patent number: 8334940
    Abstract: A display panel including a first substrate, scan lines, data lines, sub-pixel units, a light-shielding layer, a second substrate, and a display medium is provided. Each of the sub-pixel units includes a main display unit and a sub-display unit. The main display unit includes a first switch and a first pixel electrode, wherein the first pixel electrode and the data lines adjacent thereto are separated from each other with a gap (G1). The sub-display unit includes a second switch and a second pixel electrode, wherein the second and the data lines adjacent thereto are overlapped with a first overlapping width (W1). The light-shielding layer is disposed between two adjacent first pixel electrodes such that the light-shielding layer and one of the first pixel electrodes adjacent thereto are overlapped with a second overlapping width (W2). Additionally, the display medium is display between the first substrate and the second substrate.
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: December 18, 2012
    Assignee: Au Optronics Corporation
    Inventors: Wen-Hsien Tseng, Yen-Heng Huang, Chia-Hui Pai, Chung-Kai Chen, Wei-Yuan Cheng, Chin-An Tseng, Chia-Yu Lee, Ting-Yi Cho
  • Patent number: 8284353
    Abstract: A display panel having a display region and a non-display region is provided. The display panel includes a first substrate, a second substrate and a display medium between the first substrate and the second substrate. The substrate has a pixel array, a plurality of lead lines, an organic layer and a conductive pattern thereon. The pixel array is disposed within the display region. The lead lines are disposed within the non-display region and electrically connected to the pixel array. The organic layer covers the pixel array and the lead lines. The conductive pattern is disposed on the organic layer in the lead lines. The second substrate has an electrode layer thereon, and the electrode layer is disposed within the display region and the non-display region. In particular, the electrode layer and the conductive pattern are electrically connected to a common voltage.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: October 9, 2012
    Assignee: Au Optronics Corporation
    Inventors: Yen-Heng Huang, Chung-Kai Chen, Chia-Hui Pai, Wei-Yuan Cheng, Wen-Hsien Tseng, Ting-Yi Cho, Chin-An Tseng
  • Publication number: 20120170101
    Abstract: An electrofluidic display device including a first structure layer and a second structure layer is provided. The first structure layer includes a first substrate. A trench structure layer is disposed on the first substrate and has a trench surrounding an indent groove of a second substrate. A first electrode layer is disposed on the first substrate. A first hydrophobic layer is disposed on the first electrode layer. The second structure layer having the second substrate is located aside the first substrate with a gap. A groove structure layer is disposed on the second substrate. The groove structure has the indent groove surrounded by the trench. A second electrode layer is disposed on the groove structure layer. A second hydrophobic layer is disposed on the second electrode layer. Polar fluid is disposed in the indent groove. Non-polar fluid is disposed in the gap between the first and second substrates.
    Type: Application
    Filed: March 29, 2011
    Publication date: July 5, 2012
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yun-Sheng Ku, Wei-Yuan Cheng, Shu-Wei Kuo, Hsin-Hung Lee, Kuo-Lung Lo
  • Patent number: 8213072
    Abstract: An electrofluidic display device including a first structure layer and a second structure layer is provided. The first structure layer includes a first substrate. A trench structure layer is disposed on the first substrate and has a trench surrounding an indent groove of a second substrate. A first electrode layer is disposed on the first substrate. A first hydrophobic layer is disposed on the first electrode layer. The second structure layer having the second substrate is located aside the first substrate with a gap. A groove structure layer is disposed on the second substrate. The groove structure has the indent groove surrounded by the trench. A second electrode layer is disposed on the groove structure layer. A second hydrophobic layer is disposed on the second electrode layer. Polar fluid is disposed in the indent groove. Non-polar fluid is disposed in the gap between the first and second substrates.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: July 3, 2012
    Assignee: Industrial Technology Research Institute
    Inventors: Yun-Sheng Ku, Wei-Yuan Cheng, Shu-Wei Kuo, Hsin-Hung Lee, Kuo-Lung Lo
  • Patent number: 8213090
    Abstract: An electrowetting pixel structure includes a substrate, a hydrophobic dielectric layer, a non-polar liquid, a polar liquid, at least one electrode, and at least one contact hole. The hydrophobic dielectric layer is formed on the substrate, the non-polar liquid covers one surface of the hydrophobic dielectric layer, and the polar liquid is provided on the hydrophobic dielectric layer where the non-polar liquid and the polar liquid are immiscible. The electrode is formed on the substrate and divides the substrate into an electrode section and a non-electrode section. When a voltage is applied to the electrowetting pixel structure, the non-polar liquid contracts on the hydrophobic dielectric layer and is confined to an area substantially overlapping the non-electrode section. The contact hole is formed on the substrate at a position away from the non-electrode section of the electrowetting pixel structure.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: July 3, 2012
    Assignees: Wintek Corporation, Industrial Technology Research Institute
    Inventors: Chih-Yuan Wang, Hsi-Rong Han, Chien-Ting Chan, Wan-Jen Tsai, Wei-Yuan Cheng, Kuo-Lung Lo
  • Publication number: 20120146984
    Abstract: An electrofluidic device includes first structural layer and second structural layer. First structural layer includes first substrate; and first electrode and second electrode on the first substrate. The second electrode has an indent region surrounding and without contacting first electrode. First hydrophobic layer is at least over the second electrode. Second structural layer at one side of the first structural layer with a gap includes second substrate and groove structure layer. The groove structure layer includes an indent groove, corresponding to the indent region of the second electrode. Second hydrophobic layer is over the groove structure layer. Polar fluid is disposed in the indent groove and remains in contact with the first electrode. Non-polar fluid is disposed in the gap between the first and second structural layers.
    Type: Application
    Filed: March 28, 2011
    Publication date: June 14, 2012
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yun-Sheng Ku, Wei-Yuan Cheng, Pei-Ju Su, Shu-Wei Kuo
  • Publication number: 20120138963
    Abstract: A pixel structure includes a substrate, a scan line, a first data line, a second data line, a first active device, a second active device, a first pixel electrode, and a second pixel electrode. The substrate has a first unit area and a second unit area. The first pixel electrode is disposed in the first unit area and includes a first main portion and first branch portions extending from the first main portion to an edge of the first unit area. The second pixel electrode is disposed in the second unit area and includes a second main portion and second branch portions extending from the second main portion to an edge of the second unit area, wherein at least a part of the first branch portions and at least a part of the second branch portions are asymmetrically arranged at two sides of the second data line.
    Type: Application
    Filed: February 24, 2011
    Publication date: June 7, 2012
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Wen-Hsien Tseng, Sheng-Ju Ho, Yen-Heng Huang, Cheng-Han Tsao, Chia-Hui Pai, Chung-Kai Chen, Wei-Yuan Cheng, Yi-Jen Huang, Chung-Yi Chiu, Kung-Ching Chu
  • Publication number: 20120105934
    Abstract: An electro-wetting display device and a non-polar color solution thereof are provided. The electro-wetting device includes a first substrate, a second substrate, a polar solution layer and a non-polar color solution layer. The first substrate is opposite to the second substrate. The polar solution layer is disposed between the first substrate and the second substrate. The non-polar color solution layer is disposed between the first substrate and the polar solution layer and includes at least one non-polar solvent, at least one dye and at least one improvement agent. The improvement agent is dissolved in the non-polar solvent, and the improvement agent is not dissolved in the polar solution layer.
    Type: Application
    Filed: December 21, 2010
    Publication date: May 3, 2012
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Shu-Wei Kuo, Chung-Wei Wang, Wei-Yuan Cheng
  • Publication number: 20120057217
    Abstract: A display including a pixel array substrate, an opposite substrate and a fluid medium is provided. The pixel array substrate includes a first substrate including pixel regions and pixel structures disposed in the pixel regions. Each pixel region includes a distribution region of pixel electrode and a non-electrode region. A pixel electrode of the pixel structure is disposed in the distribution region of pixel electrode and has at least one slit extending from the non-electrode region toward the distribution region of pixel electrode. The opposite substrate includes a second substrate and a common electrode disposed on the second substrate and contacting a polar fluid. The fluid medium includes the polar fluid and a non-polar fluid and flows between the pixel array substrate and the opposite substrate. The non-polar fluid is contracted toward the non-electrode region when a voltage difference is generated between the pixel and the common electrodes.
    Type: Application
    Filed: June 27, 2011
    Publication date: March 8, 2012
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yun-Sheng Ku, Kuo-Lung Lo, Wei-Yuan Cheng, Yu-Hsiang Tsai, Ching-Yao Chen, Yu-Sheng Huang
  • Publication number: 20120038601
    Abstract: A method of repairing a pixel structure is provided. In the method, the pixel structure on a substrate is provided and includes a scan line, a data line, an active device, an insulating layer, and a pixel electrode. The scan line and the data line are located on the substrate. The active device is located on the substrate and electrically connected to the scan line and the data line. The insulating layer covers the scan line, the data line, and the active device and has a contact opening. The pixel electrode is located on the insulating layer and fills the contact opening to electrically connect the active device. A laser removing process is performed to remove the pixel electrode in the contact opening, such that the pixel electrode is electrically insulated from the active device.
    Type: Application
    Filed: November 19, 2010
    Publication date: February 16, 2012
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Yi-Jen Huang, Yen-Heng Huang, Wen-Hsien Tseng, Chung-Kai Chen, Chia-Hui Pai, Wei-Yuan Cheng
  • Patent number: 8094275
    Abstract: An active device array substrate includes a substrate, scan and data lines defining pixel regions, active devices, pads, color filter layers, and pixel electrodes. The active devices respectively correspond to the pixel regions and electrically connect the corresponding scan lines and data lines. The pads disposed within the corresponding pixel regions connect the active devices. The color filter layers covering the pixel regions are disposed on the active devices and the pads. Each color filter layer has an opening exposing the corresponding pad and having a polygonal shape. The pixel electrodes are located on the color filter layers in the pixel regions. Each pixel electrode connects the pad downward via the corresponding opening and has parallel fine slits having a first extension direction. An included angle between the first extension direction and an extension direction of a first side of the opening is ?1, and 60°??1?90°.
    Type: Grant
    Filed: March 15, 2010
    Date of Patent: January 10, 2012
    Assignee: Au Optronics Corporation
    Inventors: Wen-Hsien Tseng, Yen-Heng Huang, Chia-Hui Pai, Chung-Kai Chen, Wei-Yuan Cheng
  • Publication number: 20110317103
    Abstract: A liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer, pixel regions, pixel electrodes and color filters. Each pixel region at least includes a main pixel region and a sub pixel region. Each pixel electrode is disposed on the first substrate. Each pixel electrode includes a first electrode disposed in the main pixel region and a second electrode disposed in the sub pixel region. Each color filter is disposed between the first substrate and the second substrate and corresponds to each pixel region. Each color filter includes a curved surface facing the liquid crystal layer and an extreme thickness position. When a predetermined voltage is applied to each pixel electrode, aligning directions of the liquid crystal molecules disposed above the first electrode are converged toward a center. The extreme thickness position substantially overlaps the center in a vertical projection direction.
    Type: Application
    Filed: December 22, 2010
    Publication date: December 29, 2011
    Inventors: Wen-Hsien Tseng, Yen-Heng Huang, Chia-Hui Pai, Chung-Kai Chen, Wei-Yuan Cheng, Yi-Jen Huang
  • Publication number: 20110304805
    Abstract: A liquid crystal display (LCD) panel includes an active device array substrate, an opposite substrate, a sealant, a liquid crystal layer, a black matrix, and a plurality of rough structures. The active device array substrate has a display area and a peripheral area surrounding the display area, and the liquid crystal layer and the peripheral area are surrounded by the sealant. The black matrix is disposed between the active device array substrate and the opposite substrate and distributed corresponding to the display area and the peripheral area. The rough structures are disposed on a portion of the black matrix and distributed corresponding to the peripheral area. Surface roughness of the rough structures is greater than surface roughness of the black matrix distributed corresponding to the display area.
    Type: Application
    Filed: November 19, 2010
    Publication date: December 15, 2011
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Wen-Hsien Tseng, Yen-Heng Huang, Chia-Hui Pai, Chung-Kai Chen, Wei-Yuan Cheng, Yi-Jen Huang, Chun-Jen Chiu, Yu-Zhi Wu, Yuan-Nan Chiu
  • Publication number: 20110292277
    Abstract: An external photoflash assembly is composed of a back cover, a control circuit, an illuminant, a battery, and an illuminant switch. The back cover is fixed to a mobile phone. The control circuit, the illuminant, the battery, and the illuminant switch are mounted onto the back cover and electrically connected with one another. The illuminant and the shutter button of the mobile phone are located at two sides of the mobile phone separately and correspond to each other in position. When the shutter button is pushed, the illuminant switch can be pushed at the same time to activate the illuminant for illumination to further improve the photographing quality.
    Type: Application
    Filed: May 28, 2010
    Publication date: December 1, 2011
    Applicant: APROVE PRODUCTS CO., LTD.
    Inventor: Wei-Yuan Cheng
  • Publication number: 20110286073
    Abstract: A dual display is disclosed, including a first substrate and a second substrate comprising a plurality of pixels, wherein each pixel comprises a plurality of subpixels. The first substrate comprises a reflective region and a transmissive region for each subpixel, and a first color fluid is movable by an electric field on the reflective region and the transmissive region of a first subpixel, wherein when the first color fluid covers the transmissive region, the dual display provides a first viewing side at the first substrate side under a transmissive mode, and when the first color fluid covers the reflective region or covers the reflective region and the transmissive region, the dual display provides a second viewing side at the second substrate side under a reflective mode.
    Type: Application
    Filed: August 2, 2011
    Publication date: November 24, 2011
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Kuo-Lung Lo, Pei-Ju Su, Wei-Yuan Cheng, Jyh-Wen Shiu, Hsin-Hung Lee
  • Patent number: 8059328
    Abstract: Electrowetting devices (EWD) are presented. The electrowetting device includes a first substrate and an opposing second substrate with a polar fluid layer and a non-polar fluid layer interposed therebetween. A first transparent electrode is disposed on the first substrate. A second electrode is disposed on the second substrate. A first partition structure is disposed on the first substrate; thereby defining a plurality of color sub-pixels. A dye and/or a pigment substance is doped in one of the polar fluid layer and the non-polar fluid layer. A luminescence substance is doped in one of the polar fluid layer and the non-polar fluid layer. An emission module (also known as an excitation module) is disposed underlying the bottom of the first substrate. The colors of the non-polar fluid layer in the neighboring sub-pixels are different.
    Type: Grant
    Filed: September 20, 2010
    Date of Patent: November 15, 2011
    Assignee: Industrial Technology Research Institute
    Inventors: Shu-Wei Kuo, Jyh-Wen Shiu, Wei-Yuan Cheng, Yun-Sheng Ku
  • Patent number: 8014054
    Abstract: A dual display is disclosed, including a first electrowetting display device and a second electrowetting display device, and a reflection transmission switching device therebetween, wherein the first electrowetting display device and the second electrowetting display device have a function of displaying images and can be switched to a transmissive mode. The invention further provides a dual display, comprising a first substrate, a second substrate opposite the first substrate, a first patterned electrode and a second patterned electrode disposed on the first substrate, a reflective layer disposed on the first patterned electrode, a first patterned hydrophobic layer over the first patterned electrode, a second patterned hydrophobic layer over the second patterned electrode, a wall defining a pixel of the dual display, a first non-polar liquid disposed on the first patterned hydrophobic layer, and a second non-polar liquid disposed on the second patterned hydrophobic layer.
    Type: Grant
    Filed: January 21, 2010
    Date of Patent: September 6, 2011
    Assignee: Industrial Technology Research Institute
    Inventors: Kuo-Lung Lo, Pei-Ju Su, Wei-Yuan Cheng, Jyh-Wen Shiu, Hsin-Hung Lee
  • Publication number: 20110149224
    Abstract: The present invention provides a polymer stabilization alignment liquid crystal display panel having a plurality of pixel regions. Each pixel region includes a main region and a sub region, and a first pixel electrode and a second pixel electrode correspond to the main region and the sub region respectively. Each first pixel electrode is separated from the adjacent data line and thereby forming a gap therebetween. Each second pixel electrode partially overlaps the adjacent data line. In addition, each second pixel electrode includes a plurality of branches, and at least one edge of the branches may be parallel to the data lines. Accordingly, the present invention not only can increase the aperture ratio, but also well control the liquid crystal molecules located near the data lines. Therefore, the display quality of the liquid crystal display panel can be improved.
    Type: Application
    Filed: June 29, 2010
    Publication date: June 23, 2011
    Inventors: Chin-An TSENG, Chia-Yu LEE, Yen-Heng HUANG, Wen-Hsien TSENG, Chia-Hui PAI, Chung-Kai CHEN, Wei-Yuan CHENG, Ting-Yi CHO