Patents Assigned to Taiwan TFT LCD Association
  • Patent number: 9161455
    Abstract: A method of fabricating a circuit board is provided. An elastic bump material layer is formed on a substrate and then is patterned to form a plurality of first elastic bumps and a plurality of second elastic bumps, arranged in at least an array. A conductive layer is formed and then is patterned to form a patterned circuit layer to cover first plurality of elastic bumps and a portion of the substrate. An entirety of the plurality of second elastic bumps and another portion of the substrate are not covered by the patterned circuit layer. A protection layer is formed to cover a portion of the patterned circuit layer, a second number of the plurality of second elastic bumps entirely, a third number of the plurality of second elastic bumps partially and the another portion of the substrate, and expose the first number of the plurality of second elastic bumps.
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: October 13, 2015
    Assignees: Taiwan TFT LCD Association, Chunghwa Picture Tubes, LTD., Au Optronics Corporation, Hannstar Display Corporation, Innolux Corporation, Industrial Technology Research Institute
    Inventors: Ngai Tsang, Kuo-Shu Kao
  • Patent number: 8736083
    Abstract: A bonding inspection structure is provided. The bonding inspection structure includes at least a elastic bump located on a substrate. At least an opening is formed in the top portion of the elastic bump. An inspection area of the top portion of the elastic bump is larger than an area of the opening.
    Type: Grant
    Filed: April 29, 2009
    Date of Patent: May 27, 2014
    Assignees: Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., Au Optronics Corporation, Hannstar Display Corporation, Chimei Innolux Corporation, Industrial Technology Research Institute
    Inventors: Sheng-Shu Yang, Hsiao-Ting Lee, Chao-Chyun An
  • Publication number: 20130287935
    Abstract: A method of fabricating a circuit board is provided. An elastic bump material layer is formed on a substrate and then is patterned to form a plurality of first elastic bumps and a plurality of second elastic bumps, arranged in at least an array. A conductive layer is formed and then is patterned to form a patterned circuit layer to cover first plurality of elastic bumps and a portion of the substrate. An entirety of the plurality of second elastic bumps and another portion of the substrate are not covered by the patterned circuit layer. A protection layer is formed to cover a portion of the patterned circuit layer, a second number of the plurality of second elastic bumps entirely, a third number of the plurality of second elastic bumps partially and the another portion of the substrate, and expose the first number of the plurality of second elastic bumps.
    Type: Application
    Filed: May 17, 2013
    Publication date: October 31, 2013
    Applicants: TAIWAN TFT LCD ASSOCIATION, CHUNGHWA PICTURE TUBES, LTD., INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, HANNSTAR DISPLAY CORPORATION, INNOLUX CORPORATION, AU OPTRONICS CORPORATION
    Inventors: Ngai Tsang, Kuo-Shu Kao
  • Patent number: 8497001
    Abstract: A first substrate and a second substrate are provided. An alignment process is performed on a surface of the first substrate and a surface of the second substrate respectively. A liquid crystal mixture is prepared, where the liquid crystal mixture includes a liquid crystal molecule and a liquid crystal monomer having a functional group of diacrylates, and the liquid crystal monomer having the functional group of diacrylates occupies 0.01-2 wt % of the liquid crystal mixture. The first substrate and the second substrate are assembled, and the liquid crystal mixture is filled therebetween. A polymerization curing process is performed such that the liquid crystal monomer having the functional group of diacrylates is polymerized to respectively form a liquid crystal polymer film on the aligned surfaces of the first and second substrates. The method enhances anchoring energy and reduces problems of V-T shift, surface gliding, and residual image.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: July 30, 2013
    Assignees: Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., AU Optronics Corporation, Hannstar Display Corporation, Chi Mei Optoelectronics Corporation, Industrial Technology Research Institute
    Inventors: Cho-Ying Lin, Ding-Jen Chen, Hui-Min Lin, Yang-Ching Lin
  • Patent number: 8466374
    Abstract: A base of circuit board, a circuit board, and a method of fabricating thereof are provided. The circuit board includes a substrate, a plurality of elastic bumps and a patterned circuit layer. The elastic bumps arranged in at least an array are located on the substrate. The patterned circuit layer is located on a portion of the elastic bumps and a portion of the substrate. The base of the circuit board and the method of fabricating thereof are also included in the present invention.
    Type: Grant
    Filed: June 3, 2009
    Date of Patent: June 18, 2013
    Assignees: Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., Au Optronics Corporation, Hannstar Display Corporation, Chi Mei Optoelectronics Corporation, Industrial Technology Research Institute
    Inventors: Ngai Tsang, Kuo-Shu Kao
  • Patent number: 8325304
    Abstract: A first substrate and a second substrate are provided. An alignment process is performed on a surface of the first substrate and a surface of the second substrate respectively. A liquid crystal mixture is prepared, where the liquid crystal mixture includes a liquid crystal molecule and a liquid crystal monomer having a functional group of diacrylates, and the liquid crystal monomer having the functional group of diacrylates occupies 0.01-2 wt % of the liquid crystal mixture. The first substrate and the second substrate are assembled, and the liquid crystal mixture is filled therebetween. A polymerization curing process is performed such that the liquid crystal monomer having the functional group of diacrylates is polymerized to respectively form a liquid crystal polymer film on the aligned surfaces of the first and second substrates. The method enhances anchoring energy and reduces problems of V-T shift, surface gliding, and residual image.
    Type: Grant
    Filed: November 30, 2009
    Date of Patent: December 4, 2012
    Assignees: Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., AU Optronics Corporation, Hannstar Display Corporation, Chi Mei Optoelectronics Corporation, Industrial Technology Research Institute
    Inventors: Cho-Ying Lin, Ding-Jen Chen, Hui-Min Lin, Yang-Ching Lin
  • Publication number: 20120256302
    Abstract: A method for producing a thin film transistor and including the following steps for preparing a glass substrate; having a positive photosensitive coating on the glass substrate; providing a transparent mold plate, having a plurality of ladder opaque protrusions in accordance with a predetermined pattern having different depth; controlling the transparent mold plate downwardly to press into the positive photosensitive coating and non-contacting to the glass substrate; exposing a part of the positive photosensitive coating via an explosion by a UV light; remaining the other part of the positive photosensitive coating, which is shielded by the protrusions and shaped corresponding to the predetermined pattern; separating the transparent mold plate from the glass substrate, and removing the other parts of the photosensitive coating unshielded via a chemical solvent. Thereby, after the positive photosensitive coating is pressed, cured, and cleaned the thin film transistor is formed.
    Type: Application
    Filed: June 12, 2012
    Publication date: October 11, 2012
    Applicants: TAIWAN TFT LCD ASSOCIATION, CHUNGHWA PICTURE TUBES, LTD., AU OPTRONICS CORP., TOPPOLY OPTOELECTRONICS CORP., CHI MEI OPTOELECTRONICS CORP., INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, HANNSTAR DISPLAY CORP.
    Inventors: Lin-En CHOU, Chia-Hao Tsai, Wen-Tung Wang
  • Patent number: 8284360
    Abstract: A liquid crystal display (LCD) panel and a fabricating method thereof are described. First, a first substrate and a second substrate are provided. A liquid crystal monomer layer is then formed on the surface of at least one of the first and second substrates. Next, a curing step is performed to the liquid crystal monomer layer to induce a polymerization reaction, so as to form a liquid crystal polymer layer. Thereafter, the first and second substrates are assembled and a liquid crystal layer is filled between the first and second substrates.
    Type: Grant
    Filed: February 29, 2012
    Date of Patent: October 9, 2012
    Assignees: Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., Au Optronics Corporation, Hannstar Display Corporation, Chi Mei Optoelectronics Corporation, Industrial Technology Research Institute, TPO Displays Corp.
    Inventors: Tsan-Yu Ho, Ding-Jen Chen, Hsin-Chun Chiang, Mei-Ju Lee, Bang-Hao Wu
  • Patent number: 8268538
    Abstract: A method for producing a thin film transistor includes providing a glass substrate; disposing a positive photosensitive coating on the glass substrate; providing a transparent molding plate having a plurality of ladder opaque protrusions that are arranged in accordance with a predetermined pattern and that have at least two different depths; pressing the transparent molding plate into the positive photosensitive coating without contacting the glass substrate; exposing a part of the positive photosensitive coating which is unshielded under the ladder opaque protrusions, with a UV light; separating the transparent molding plate from the glass substrate after the step of exposing; and removing the part of the positive photosensitive coating, which is unshielded under the ladder opaque protrusions and not cured, using a chemical solvent, whereby the thin film transistor is formed in a pattern having more than two different depths.
    Type: Grant
    Filed: January 14, 2009
    Date of Patent: September 18, 2012
    Assignees: Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., AU Optronics Corp., Hannstar Display Corp., Chi Mei Optoelectronics Corp., Industrial Technology Research Institute, Toppoly Optoelectronics Corp.
    Inventors: Lin-En Chou, Chia-Hao Tsai, Wen-Tung Wang
  • Publication number: 20120214377
    Abstract: A liquid crystal display (LCD) panel and a fabricating method thereof are described. First, a first substrate and a second substrate are provided. A liquid crystal monomer layer is then formed on the surface of at least one of the first and second substrates. Next, a curing step is performed to the liquid crystal monomer layer to induce a polymerization reaction, so as to form a liquid crystal polymer layer. Thereafter, the first and second substrates are assembled and a liquid crystal layer is filled between the first and second substrates.
    Type: Application
    Filed: February 29, 2012
    Publication date: August 23, 2012
    Applicants: TAIWAN TFT LCD ASSOCIATION, CHUNGHWA PICTURE TUBES, LTD., AU OPTRONICS CORPORATION, TPO DISPLAYS CORP., CHI MEI OPTOELECTRONICS CORPORATION, INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, HANNSTAR DISPLAY CORPORATION
    Inventors: Tsan-Yu Ho, Ding-Jen Chen, Hsin-Chun Chiang, Mei-Ju Lee, Bang-Hao Wu
  • Patent number: 8223432
    Abstract: An optical sheet suitable for linear polarized light to pass through is provided. The optical sheet includes a substrate and a retardation film. The retardation film herein is located on the substrate and has a plurality of optical axes with different extending directions. The linear polarized light after passing through the retardation film is converted into a plurality of linear polarized light with different polarization directions, wherein the retardation film substantially has a phase retardation of ?/2 at anywhere of the area where the linear polarized light passes through and ? is the wavelength of the linear polarized light. Besides, the present invention also provides a display apparatus, a fabricating method of an optical sheet and a fabricating method of a display apparatus.
    Type: Grant
    Filed: December 25, 2008
    Date of Patent: July 17, 2012
    Assignees: Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., Au Optronics Corporation, Hannstar Display Corporation, Chi Mei Optoelectronics Corporation, Industrial Technology Research Institute
    Inventors: Wei-Chih Liu, Jie-Shiung Yang
  • Patent number: 8222095
    Abstract: A method for fabricating a thin film transistor is provided. A gate is formed on a substrate. A gate insulating layer is formed on the substrate to cover the gate. A metal oxide material layer is formed on the gate insulating layer. A photoresist layer is formed on the metal oxide material layer, in which a thickness of the photoresist layer above the gate is larger than that of the photoresist layer above two sides adjacent to the gate. A portion of the metal oxide material layer is removed to form a metal oxide active layer by using the photoresist layer as a mask. The photoresist layer above the two sides adjacent to the gate is removed and the remaining photoresist layer covers a portion of the metal oxide active layer. A source and a drain are formed on the metal oxide active layer covered by the photoresist layer.
    Type: Grant
    Filed: October 27, 2008
    Date of Patent: July 17, 2012
    Assignees: Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., Au Optronics Corporation, Hannstar Display Corporation, Chi Mei Optoelectronics Corporation, Industrial Technology Research Institute
    Inventors: Fang-Chen Luo, Shuo-Wei Liang, Shin-Chuan Chiang, Chao-Nan Chen, Chin-Chih Yu
  • Patent number: 8215969
    Abstract: A contact structure disposed on a substrate is provided. The contact structure includes a pad, a polymer bump and a conductive layer. The pad is on the substrate. The polymer bump having a curve surface and a steep surface connecting with the curve surface is disposed on the substrate. The polymer bump is covered by the conductive layer and the conductive layer is electrically connected with the pad.
    Type: Grant
    Filed: June 24, 2008
    Date of Patent: July 10, 2012
    Assignees: Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., Au Optronics Corporation, Hannstar Display Corporation, Chi Mei Optoelectronics Corporation, Industrial Technology Research Institute, TPO Displays Corp.
    Inventors: Sheng-Shu Yang, Shyh-Ming Chang
  • Patent number: 8211788
    Abstract: A method of fabricating a bonding structure having compliant bumps includes first providing a first substrate and a second substrate. The first substrate includes first bonding pads. The second substrate is disposed on one side of the first substrate and includes second bonding pads and compliant bumps disposed thereon. The second bonding pads are opposite to the first bonding pads. Next, a non-conductive adhesive layer and ball-shaped spacers are formed between the first and the second substrates. Finally, the first substrate, the non-conductive adhesive layer, and the second substrate are compressed, such that the compliant bumps on the second bonding pads of the second substrate pass through the non-conductive adhesive layer and are electrically connected to the first bonding pads of the first substrate, respectively. The ball-shaped spacers are distributed in the non-conductive adhesive layer sandwiched between the first and the second substrates for maintaining the gap therebetween.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: July 3, 2012
    Assignees: Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., Au Optronics Corporation, Hannstar Display Corporation, Chi Mei Optoelectronics Corporation, Industrial Technology Research, TPO Displays Corp.
    Inventors: Shyh-Ming Chang, Sheng-Shu Yang
  • Patent number: 8203679
    Abstract: An OCB mode liquid crystal display panel having a plurality of pixel regions includes a first substrate, a second substrate, dot liquid crystal polymer patterns and an OCB liquid crystal material. The first substrate has a first alignment treated layer thereon, the second substrate has a second alignment treated layer thereon, and the dot liquid crystal polymer patterns are on the first alignment treated layer and the second alignment treated layer. Each of the dot liquid crystal polymer patterns has an area between 1˜225 ?m2. The second substrate is opposite to the first substrate, and the OCB liquid crystal material is between the first substrate and the second substrate.
    Type: Grant
    Filed: November 5, 2009
    Date of Patent: June 19, 2012
    Assignees: Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., Au Optronics Corporation, Hannstar Display Corporation, Chi Mei Optoelectronics Corporation, Industrial Technology Research Institute
    Inventors: Ze-Yu Yen, Ding-Jen Chen, Ya-Ting Wu, Cho-Ying Lin
  • Patent number: 8178288
    Abstract: A method for fabricating a display substrate is provided. A substrate is provided first. After that, an alignment film coating and an alignment treatment are performed to the substrate, and a layer of photoreactive monomer material is coated on the surface of the substrate after the alignment treatment. Thereafter, the layer of photoreactive monomer material is selectively irradiated by UV light in an exposed region, and the layer of photoreactive monomer material in an unexposed region is removed for liquid crystal molecules to have different pretilt angles in the exposed region and the unexposed region.
    Type: Grant
    Filed: July 21, 2008
    Date of Patent: May 15, 2012
    Assignees: Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., Au Optronics Corporation, Hannstar Display Corporation, Chi Mei Optoelectronics Corporation, Industrial Technology Research Institute, TPO Displays Corp.
    Inventors: Ze-Yu Yen, Ding-Jen Chen, Ya-Ting Wu, Jian-Lung Chen
  • Patent number: 8174649
    Abstract: A liquid crystal display including a liquid crystal panel and a biaxial compensation film is provided. The liquid crystal panel has a first surface and a second surface. The biaxial compensation film is disposed on the first surface and includes a C-plate compensation film and nano-structures on the C-plate compensation film serving as an A-plate compensation film.
    Type: Grant
    Filed: October 21, 2009
    Date of Patent: May 8, 2012
    Assignees: Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., Au Optronics Corporation, Hannstar Display Corporation, Chi Mei Optoelectronics Corporation, Industrial Technology Research Institute
    Inventor: Wei-Chih Liu
  • Patent number: 8164187
    Abstract: A flip chip device made using LCD-COG (liquid crystal display-chip on glass) technique. The flip chip device comprises a substrate, at least one chip having active area with a plurality of compliant bumps thereon. The compliant bumps are centrally disposed in the center of the chip for electrically connecting the chip and the substrate. An adhesive is daubed on a joint area of the substrate and the chips for jointing the substrate and the chips. By limiting the position of the compliant bumps so that they are centrally disposed on the chips, the thermal warpage of the substrate is reduced.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: April 24, 2012
    Assignees: Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., Au Optronics Corp., Hannstar Display Corp., Chi Mei Optoelectronics Corp., Industrial Technology Research Institute, Toppoly Optoelectronics Corp., Quanta Display Inc.
    Inventors: Wen-Chih Chen, Sheng-Shu Yang
  • Patent number: 8106389
    Abstract: A thin film transistor is provided. The thin film transistor includes a substrate, a gate, a source/drain, an insulating layer, and a semiconductor active layer. The gate and the source/drain are respectively deposited on the substrate and are separated by the insulating layer on the substrate. The semiconductor active layer connects the source and the drain. The material of the semiconductor active layer is a semiconductor precursor which produces semiconductor property after being irradiated by a light source. A liquid crystal display which includes the above thin film transistor is also provided.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: January 31, 2012
    Assignees: Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., Au Optronics Corporation, Hannstar Display Corporation, Chi Mei Optoelectronics Corporation, Industrial Technology Research Institute, TPO Displays Corp.
    Inventors: Hsiang-Yuan Cheng, Shin-Chuan Chiang, Shih-Hsiang Lai, Chin-Chih Yu, Bor-Chuan Chuang
  • Publication number: 20110230044
    Abstract: A contact structure having both a compliant bump and a testing area and a manufacturing method for the same is introduced. The compliant bump is formed on a conductive contact of the silicon wafer or a printed circuit board. The core of the bump is made of polymeric material, and coated with a conductive material. In particular, the compliant bump is disposed on the one side of the conductive contact structure that includes both the bump and the testing area, wherein the testing area allows the area to be functionality tested, so as to prevent damage of the coated conductive material over the compliant bump during a probe testing.
    Type: Application
    Filed: June 1, 2011
    Publication date: September 22, 2011
    Applicants: TAIWAN TFT LCD ASSOCIATION, CHUNGHWA PICTURE TUBES, LTD., AU OPTRONICS CORP., QUANTA DISPLAY INC., HANNSTAR DISPLAY CORP., CHI MEI OPTOELECTRONICS CORP., INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TOPOLY OPTOELECTRONICS CORP.
    Inventors: Shyh-Ming Chang, Sheng-Shu Yang, Chao-Chyun An