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).
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Publication number: 20110149224Abstract: 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: ApplicationFiled: June 29, 2010Publication date: June 23, 2011Inventors: Chin-An TSENG, Chia-Yu LEE, Yen-Heng HUANG, Wen-Hsien TSENG, Chia-Hui PAI, Chung-Kai CHEN, Wei-Yuan CHENG, Ting-Yi CHO
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Publication number: 20110141423Abstract: A pixel structure including a substrate, a scan line, a first data line and a first pixel unit is provided. The scan line and the first data line are disposed on the substrate. The first pixel unit includes a first active device and a first pixel electrode. The first active device is electrically connected to the scan line and the first data line. The first pixel electrode electrically connected to the first active device has a first stripe pattern and a plurality of first branches. One side of the first stripe pattern is connected to the first branches extended toward the scan line, and the other side of the first stripe pattern is overlapped with the scan line. The overlapped width of the first stripe pattern with the scan line is substantially equal to 40% to 90% of the width of the first stripe pattern.Type: ApplicationFiled: April 11, 2010Publication date: June 16, 2011Applicant: AU OPTRONICS CORPORATIONInventors: Wei-Yuan Cheng, Chin-An Tseng, Yen-Heng Huang, Chia-Hui Pai, Chung-Kai Chen, Wen-Hsien Tseng, Ting-Yi Cho, Chia-Yu Lee
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Publication number: 20110128280Abstract: 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: ApplicationFiled: January 26, 2010Publication date: June 2, 2011Applicant: AU OPTRONICS CORPORATIONInventors: Wen-Hsien Tseng, Yen-Heng Huang, Chia-Hui Pai, Chung-Kai Chen, Wei-Yuan Cheng, Chin-An Tseng, Chia-Yu Lee, Ting-Yi Cho
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Publication number: 20110122345Abstract: 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: ApplicationFiled: March 15, 2010Publication date: May 26, 2011Applicant: AU OPTRONICS CORPORATIONInventors: Wen-Hsien Tseng, Yen-Heng Huang, Chia-Hui Pai, Chung-Kai Chen, Wei-Yuan Cheng
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Publication number: 20110109607Abstract: A display module is provided, which includes a first and a second substrates, a transparent type solar cell, a display device, an electric power storage device, a driving circuit and a power supply transfer switch. In the display module, the first substrate, the transparent type solar cell, the display device and the second substrate are successively arranged according to an incident direction of a light source. The transparent type solar cell has a visible light transmittance of 10%-40% and a color temperature (Tc) larger than 2400K. The electric power storage device is connected to the transparent type solar cell for storing electric power there from, and the driving circuit is connected to the display device for driving the same. The power supply transfer switch is used for transferring the electric power into the electric power storage device or the driving circuit.Type: ApplicationFiled: December 15, 2009Publication date: May 12, 2011Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Hsing-Hua Wu, Chian-Fu Huang, Wei-Yuan Cheng, Jyh-Wen Shiu
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Publication number: 20110084289Abstract: 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: ApplicationFiled: March 26, 2010Publication date: April 14, 2011Applicant: AU OPTRONICS CORPORATIONInventors: Wen-Hsien Tseng, Yen-Heng Huang, Chia-Hui Pai, Chung-Kai Chen, Wei-Yuan Cheng, Wen-Chuan Chen
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Publication number: 20110058245Abstract: 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: ApplicationFiled: September 3, 2010Publication date: March 10, 2011Inventors: Shih-Yuan WANG, Hsi-Rong Han, Chien-Ting Chan, Wan-Jen Tsai, Wei-Yuan Cheng, Kuo-Lung Lo
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Publication number: 20110007046Abstract: Smart display devices are presented. The smart display device includes an electrowetting panel, a photo-detector device, and a panel driving control device, wherein the photo-detector device detects environmental light such that the electrowetting panel is driven by the panel driving control device accordingly. The electrowetting panel has an array of pixels, wherein each pixel includes a first substrate and an opposing second substrate with a polar fluid layer and a non-polar fluid layer interposed between the first and second substrates. A first electrode is disposed on the first substrate. A second electrode is disposed on the second substrate. A hydrophilic bank structure is disposed between the first and the second substrates.Type: ApplicationFiled: January 22, 2010Publication date: January 13, 2011Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yu-Hsiang Tsai, Wei-Yuan Cheng, Kuo-Lung Lo, Hsin-Hung Lee, Shu-Wei Kuo
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Patent number: 7869116Abstract: A light valve unit may include a first conductive layer and a second conductive layer disposed on opposite sides of each other with respect to a plurality of cells in which at least some of the cells include a first material and a second material. The first material may have a lower light transmissivity property than the second material and a position of the first material within a corresponding cell may be changeable responsive to application of an electric field between the first and second conductive layers. The second conductive layer may include at least two electrodes and a gap defined between the two electrodes. A portion of the light valve unit adjacent to the gap may be configured to have a transmissivity that is substantially less than transmissivity of a portion of the light valve unit adjacent to cells across which the electric field is applied, but greater than or equal to transmissivity of a portion of the light valve unit adjacent to cells across which the electric field is not applied.Type: GrantFiled: May 15, 2009Date of Patent: January 11, 2011Assignee: Industrial Technology Research InstituteInventors: Jyh-Wen Shiu, Wei-Yuan Cheng, Pei-Ju Su, Kuo-Lung Lo, Yu-Hsiang Tsai
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Publication number: 20100328586Abstract: 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: ApplicationFiled: December 15, 2009Publication date: December 30, 2010Applicant: AU OPTRONICS CORPORATIONInventors: Yen-Heng Huang, Chung-Kai Chen, Chia-Hui Pai, Wei-Yuan Cheng, Wen-Hsien Tseng, Ting-Yi Cho, Chin-An Tseng
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Publication number: 20100309541Abstract: 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: ApplicationFiled: January 21, 2010Publication date: December 9, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Kuo-Lung Lo, Pei-Ju Su, Wei-Yuan Cheng, Jyh-Wen Shiu, Hsin-Hung Lee
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Patent number: 7839558Abstract: An electrowetting display comprises a first substrate and a second substrate. A plurality of first conductive electrodes is formed over the first substrate. A second conductive layer is formed over the second substrate and spaced apart from the plurality of the first conductive electrodes. A plurality of cells is formed over the first conductive electrodes. Each cell is formed between one of the first conductive electrodes and the second conductive layer. Each two adjacent cells being separated by a partition. At least two cells include a first material and a second material over the first material. The at least two cells have two different colors. A shape of the first material is capable of being changed upon a change of an electrical field between the first conductive electrode and the second conductive layer.Type: GrantFiled: May 23, 2008Date of Patent: November 23, 2010Assignee: Industrial Technology Research TechnologyInventors: Chao-Kai Cheng, Wan-Wen Chiu, Chung-Wei Wang, Wei-Yuan Cheng, Kuo-Lung Lo
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Publication number: 20100270910Abstract: A light emitting device fabrication method. The fabrication method of the light emitting device comprises providing a light emitting semiconductor device; positioning a plurality of luminescent particles at the optical path of the light emitting semiconductor device; and reducing the distance between the luminescent particles to enhance the molecular attraction between the luminescent particles, than the luminescent particles is coagulated to a luminescent powder layer by the molecular attraction.Type: ApplicationFiled: July 1, 2010Publication date: October 28, 2010Applicant: HONG-YUAN TECHNOLOGY CO. LTD.Inventors: Wei-Yuan Cheng, Yu-Chao Wu
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Patent number: 7821699Abstract: The invention provides an electrowetting display and a method for fabricating the same. The electrowetting display comprises a first electrode formed on a first substrate. A dielectric layer is formed on the first electrode. A plurality of ribs are formed on the dielectric layer. A hydrophobic layer is formed on the dielectric layer and between the ribs. A second substrate is disposed oppositely to the first substrate. A second electrode is formed on the second substrate. A plurality of supporting members are formed on the second electrode and aligned to the ribs to form an enclosed space. A polar solution and a non-polar solution are disposed in the enclosed space.Type: GrantFiled: January 4, 2010Date of Patent: October 26, 2010Assignee: Industrial Technology Research InstituteInventors: Kuo-Lung Lo, Wei-Yuan Cheng, Hsin-Hung Lee, Yu-Hsiang Tsai, Shu-Wei Kuo
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Patent number: 7813030Abstract: A display and fabricating method thereof is provided. The display includes a first substrate, a second substrate, a hydrophobic layer, a nonpolar liquid layer, a hydrophilic separator, a polar liquid layer, and a protruding spacer. The first and second substrates respectively include an opposing surface, and are disposed in a way that the opposing surfaces are face-to-face opposing to each other. The hydrophobic layer overlies the opposing surface of the second substrate. The nonpolar liquid layer overlies the hydrophobic layer. The hydrophilic separator overlies the hydrophobic layer and surrounds the nonpolar liquid layer. The polar liquid layer overlies the nonpolar liquid layer. The protruding spacer is disposed between the hydrophilic separator and the first substrate.Type: GrantFiled: August 25, 2008Date of Patent: October 12, 2010Assignee: Industrial Technology Research InstituteInventors: Kuo-Lung Lo, Wei-Yuan Cheng, Jyh-Wen Shiu
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Publication number: 20100225611Abstract: Electrowetting display devices are provided. The electrowetting display includes a first substrate and an opposing second substrate with a polar fluid layer and a non-polar fluid layer interposed between the first and second substrates. A first electrode is disposed on the first substrate. A second electrode is disposed on the second substrate. A hydrophilic bank structure is disposed on the first substrate, and a reflective layer is disposed on the second substrate, wherein the first substrate of the electrowetting display serves as a display face.Type: ApplicationFiled: January 20, 2010Publication date: September 9, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Hsin-Hung Lee, Yu-Hsiang Tsai, Da-Wei Lee, Kuo-Lung Lo, Wei-Yuan Cheng
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Patent number: 7760420Abstract: Electrowetting display devices are presented. The electrowetting display includes a first substrate and an opposing second substrate with a polar fluid layer and a color 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 hydrophilic partition structure is disposed on the second substrate, thereby defining a plurality of sub-pixels. The color electrowetting display further includes an array of color pixel regions. Each pixel region consists of a set of primary color sub-pixel. Each color sub-pixel corresponds to one of different color non-polar fluid layers, and each of the different color non-polar fluid layers is isolated from each other. The colors of non-polar fluid layer in the neighboring sub-pixels are different.Type: GrantFiled: February 25, 2009Date of Patent: July 20, 2010Assignee: Industrial Technology Research InstituteInventors: Wei-Yuan Cheng, Chieh-Yi Huang, Kuo-Chang Lee, Kuo-Lung Lo
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Patent number: 7749038Abstract: A light emitting device fabrication method. The fabrication method of the light emitting device comprises providing a light emitting semiconductor device; positioning a plurality of luminescent particles at the optical path of the light emitting semiconductor device; and reducing the distance between the luminescent particles to enhance the molecular attraction between the luminescent particles, than the luminescent particles is coagulated to a luminescent powder layer by the molecular attraction.Type: GrantFiled: February 17, 2005Date of Patent: July 6, 2010Assignee: Hong-Yuan Technology Co., Ltd.Inventors: Wei-Yuan Cheng, Yu-Chao Wu
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Publication number: 20100149621Abstract: A light valve unit may include a first conductive layer and a second conductive layer disposed on opposite sides of each other with respect to a plurality of cells in which at least some of the cells include a first material and a second material. The first material may have a lower light transmissivity property than the second material and a position of the first material within a corresponding cell may be changeable responsive to application of an electric field between the first and second conductive layers. The second conductive layer may include at least two electrodes and a gap defined between the two electrodes. A portion of the light valve unit adjacent to the gap may be configured to have a transmissivity that is substantially less than transmissivity of a portion of the light valve unit adjacent to cells across which the electric field is applied, but greater than or equal to transmissivity of a portion of the light valve unit adjacent to cells across which the electric field is not applied.Type: ApplicationFiled: May 15, 2009Publication date: June 17, 2010Inventors: Jyh-Wen Shiu, Wei-Yuan Cheng, Pei-Ju Su, Kuo-Lung Lo, Yu-Hsiang Tsai
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Publication number: 20100128341Abstract: Electrowetting display devices are presented. The electrowetting display includes a first substrate and an opposing second substrate with a polar fluid layer and a color 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 hydrophilic partition structure is disposed on the second substrate, thereby defining a plurality of sub-pixels. The color electrowetting display further includes an array of color pixel regions. Each pixel region consists of a set of primary color sub-pixel. Each color sub-pixel corresponds to one of different color non-polar fluid layers, and each of the different color non-polar fluid layers is isolated from each other. The colors of non-polar fluid layer in the neighboring sub-pixels are different.Type: ApplicationFiled: February 25, 2009Publication date: May 27, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Wei-Yuan Cheng, Chieh-Yi Huang, Kuo-Chang Lee, Kuo-Lung Lo