Patents by Inventor Cheng Yeh

Cheng Yeh 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: 20170249917
    Abstract: Liquid crystal display (LCD) systems and related methods with pixel elements driven at different frequencies are provided. A representative LCD system includes: a plurality of pixel elements arranged in an array, each of the plurality of pixel elements having a first sub-region and a second sub-region; a low-frequency driving circuit operative to drive each of the first sub-regions; and a high-frequency driving circuit operative to drive each of the second sub-regions at a driving frequency different than a driving frequency of the low-frequency driving circuits; wherein the first sub-regions exhibit a different size than the second sub-regions.
    Type: Application
    Filed: February 26, 2016
    Publication date: August 31, 2017
    Inventors: Hai-Wei Chen, Shin-Tson Wu, Yi-Fen Lan, Cheng-Yeh Tsai
  • Patent number: 9746465
    Abstract: A magnetic bead-based digital microfluidic immunoanalysis device and a method thereof are provided, which includes a lower plate, an upper plate disposed above the lower plate, a separating structure therebetween and a magnet disposed on the upper plate or the lower plate. The lower plate includes a first electrode layer including a plurality of channel electrodes with different sizes. A droplet containing few magnetic beads is adapted to be disposed on the lower plate and corresponding to the channel electrodes. The magnet attracts the magnetic beads to approach to the smaller one of the channel electrodes though a magnetic force, and when a voltage is applied to the first electrode layer, the droplet is divided to a detection portion with the magnetic beads and a waste-liquid portion without the magnetic beads respectively corresponding to the smaller one and the larger one of the channel electrodes through a dual-direction electrowetting-on-dielectric force.
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: August 29, 2017
    Assignee: National Chiao Tung University
    Inventors: Wensyang Hsu, Cheng-Yeh Huang, Po-Yen Tsai, Po-Huai Shih, Shih-Kang Fan, Da-Jeng Yao, Cheng-Hsien Liu, Hong-Yuan Huang
  • Publication number: 20170162804
    Abstract: Organometallic compounds and organic electroluminescence devices employing the same are provided. The organometallic compound has a chemical structure represented below: In Formula (I), one of R1 and R2 is trimethylsilyl (TMS) and the other is hydrogen, at least one of R3 and R4 is fluorine or C1-6 alkyl, or one of R3 and R4 is fluorine and the other is C1-6 alkyl, n is 2 or 3, and m is 0 or 1, wherein n+m=3.
    Type: Application
    Filed: June 10, 2016
    Publication date: June 8, 2017
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jin-Sheng LIN, Jia-Lun LIOU, Meng-Hao CHANG, Han-Cheng YEH
  • Publication number: 20170155063
    Abstract: Organic metal compounds, and organic light-emitting devices employing the same are provided. The organic metal compound has a chemical structure represented by formula (I): wherein each R1 is independent and can be hydrogen, C1-12 alkyl group, C1-12 alkoxy group, amine, C2-6 alkenyl group, C2-6 alkynyl group, C5-10 cycloalkyl group, C3-12 heteroaryl group, or C6-12 aryl group; R2, R3, R4, and R5 are independent and can be hydrogen, halogen, C1-12 alkyl group, C1-12 fluoroalkyl group, or two adjacent groups of R2, R3, R4, and R5 are optionally combined with the carbon atoms which they are attached to, to form a cycloalkyl group, or aryl group; R6 and R7 are independent and can be C1-6 alkyl group, or phenyl group; and, n is 0 or 1.
    Type: Application
    Filed: December 17, 2015
    Publication date: June 1, 2017
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Cheng-An WU, Meng-Hao CHANG, Bing-Huang JIANG, Han-Cheng YEH, Mei-Rurng TSENG, Pang-Chi HUANG, Jin-Sheng LIN, Chun-Neng KU, Jung-Yu LIAO
  • Publication number: 20170155065
    Abstract: Organic metal compounds, and organic light-emitting devices employing the same are provided. The organic metal compound has a chemical structure represented by Formula (I) or Formula (II): wherein, R1 is hydrogen, C1-12 alkyl, C1-12 alkoxy, amine, C2-6 alkenyl, C2-6 alkynyl, C5-10 cycloalkyl, C3-12 heteroaryl, or C6-12 aryl; R2, R3, R4, and R5 can be hydrogen, halogen, C1-12 alkyl, C1-12 alkoxy, C1-12 fluoroalkyl; R6 and R7 are independent and can be C1-6 alkyl, or phenyl; R8, R9, R10, R11, R12, R13, R14, and R15 can be hydrogen, halogen, C1-12 alkyl, C1-12 fluoroalkyl, or two adjacent groups of R2, R3, R4, R5, R8, R9, R10, R11, R12, R13, R14 and R15 are optionally combined with the carbon atoms which they are attached to, to form a cycloalkyl group, or aryl; m is 1 or 2; and, n is 0 or 1.
    Type: Application
    Filed: November 25, 2016
    Publication date: June 1, 2017
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jin-Sheng LIN, Yung-Chen CHENG, Jia-Lun LIOU, Pang-Chi HUANG, Cheng-An WU, Meng-Hao CHANG, Bing-Huang JIANG, Han-Cheng YEH, Chun-Neng KU, Mei-Rurng TSENG, Jung-Yu LIAO, Jui-Chih KAO
  • Patent number: 9664945
    Abstract: A display apparatus including a display panel, a first polarizer and a second polarizer is provided. The display panel includes a pixel array substrate, an opposite substrate and a display medium. The pixel array substrate includes a plurality of pixel units. Each pixel unit includes a first electrode and a second electrode. The first electrode and the second electrode are alternately arranged and a lateral electric field is existed between the first electrode and the second electrode. The opposite substrate is disposed opposite to the pixel array substrate. The display medium is disposed between the pixel array substrate and the opposite substrate. The first polarizer is disposed on the pixel array substrate. The second polarizer is disposed on the opposite substrate. An included angle between an optical axis of the first polarizer and an optical axis of the second polarizer is 90°±?, and ? is 1° to 9°.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: May 30, 2017
    Assignees: Au Optronics Corporation, University of Central Florida Research Foundation, Inc.
    Inventors: Yi-Fan Liu, Shin-Tson Wu, Yi-Fen Lan, Cheng-Yeh Tsai
  • Publication number: 20170131597
    Abstract: A pixel structure including a scan line, a data line, an active device, a first protruding structure, a second protruding structure, a first electrode and a second electrode is provided. The first protruding structure has a first top surface, a first bottom surface and first side surfaces located on both sides of the first top surface and the first bottom surface. A first acute angle ?1 is formed between the first top surface and the first side surfaces. The second protruding structure has a second top surface, a second bottom surface and second side surfaces located on both sides of the second top surface and the second bottom surface. A second acute angle ?2 is formed between the second top surface and the second side surfaces. The first electrode is disposed on the first top surface, and the second electrode is disposed on the second top surface.
    Type: Application
    Filed: March 2, 2016
    Publication date: May 11, 2017
    Inventors: Tzu-Yi Tsao, Fang-Cheng Yu, Wei-Ting Lee, Cheng-Yeh Tsai
  • Patent number: 9647138
    Abstract: A metal oxide semiconductor transistor includes a gate, a metal oxide active layer, a gate insulating layer, a source, and a drain. The metal oxide active layer has a first surface and a second surface, and the first surface faces to the gate. The gate insulating layer is disposed between the gate and the metal oxide active layer. The source and the drain are respectively connected to the metal oxide active layer. The second surface defines a mobility enhancing region between the source and the drain. An oxygen content of the metal oxide active layer in the mobility enhancing region is less than an oxygen content of the metal oxide active layer in the region outside the mobility enhancing region. The metal oxide semiconductor transistor has high carrier mobility.
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: May 9, 2017
    Assignee: E INK HOLDINGS INC.
    Inventors: Chuang-Chuang Tsai, Hsiao-Wen Zan, Hsin-Fei Meng, Chun-Cheng Yeh
  • Publication number: 20170097530
    Abstract: A blue phase liquid crystal display having a first substrate, a second substrate and a liquid crystal layer disposed therebetween and a photo-conversion means disposed between the second substrate and the liquid crystal layer is provided.
    Type: Application
    Filed: October 1, 2015
    Publication date: April 6, 2017
    Inventors: Tzu-Yi TSAO, Cheng-Yeh TSAI, Fang-Cheng YU, Yi-Fen LAN, Yi-Ting CHEN, Pu-Jung HUANG, Szu-Yu LIN
  • Patent number: 9576516
    Abstract: An electrophoretic display apparatus includes a substrate, a color filter layer, an electrophoretic display film, a common electrode layer, multiple electrode patterns and multiple spacers. The color filter layer is disposed on the substrate and at least includes multiple first color filter patterns and second color filter patterns. The electrophoretic display film is disposed between the substrate and the color filter layer and includes a flexible substrate and multiple display media. The first and second color filter patterns are respectively corresponding to the display media. The electrode patterns at least include multiple first electrode patterns and second electrode patterns. The first electrode patterns receive a first voltage and are disposed respectively correspondingly to the first color filter patterns, while the second electrode patterns receive a second voltage and are disposed respectively correspondingly to the second color filter patterns.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: February 21, 2017
    Assignee: E Ink Holdings Inc.
    Inventors: Hsu-Cheng Yeh, Ming-Chuan Hung
  • Publication number: 20170038643
    Abstract: A manufacturing method of a display panel includes following steps. A pixel array substrate and an opposite substrate are provided. An interface layer is formed on the pixel array substrate or on the opposite substrate, and the interface layer includes at least one dianhydride compound, a polyimide precursor obtained by subjecting at least one diamine compound to a reaction, and a polyimide compound obtained by subjecting the polyimide precursor to imidization. The polyimide compound includes at least one diamine compound having a photo-reactive side chain.
    Type: Application
    Filed: March 31, 2016
    Publication date: February 9, 2017
    Inventors: Pu-Jung Huang, Cheng-Yeh Tsai, Kohei Goto, Daniel Antonio Sahade
  • Patent number: 9513674
    Abstract: An electronic device includes a casing and a rotary flap door device. The rotary flap door device is installed inside the casing and includes a base plate and a door member. The base plate is mounted on the casing. A base constraining structure and a base engaging structure are formed on the base plate. The door member includes a door body, a door limit part and a door engaging portion. The door body is rotably disposed on the base plate. The door limit part extends from the door body and is for embedding into the base limit part. The door engaging portion protrudes from the door body and is for engaging with the base engaging portion.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: December 6, 2016
    Assignees: Inventec (Pudong) Technology Corp., Inventec Corporation
    Inventors: Yuan-Chang Yang, Shih-Wei Chen, Shih-Cheng Yeh, Chih-Wei Chiang
  • Publication number: 20160293861
    Abstract: Organic metal compounds, organic light-emitting devices, and lighting devices employing the same are provided. The organic metal compound has a chemical structure represented by formula (I): wherein each R1 is independent and can be hydrogen, halogen, C1-10 alkyl group, C5-10 cycloalkyl group, or C5-12 aryl group; R2 is trialkyl silyl group; and L is a picolinic acid ligand, a 2-(imidazol-2-yl) pyridine ligand, a 2-(4,5-dimethyl-imidazol-2-yl) pyridine ligand, a 3-(trifluoromethyl)-5-(pyridine-2-yl)-1,2,4-triazolate ligand, or a 3-(isobutyl)-5-(pyridine-2-yl)-1,2,4-triazolate ligand.
    Type: Application
    Filed: March 30, 2015
    Publication date: October 6, 2016
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jin-Sheng LIN, Jia-Lun LIOU, Meng-Hao CHANG, Han-Cheng YEH, Mei-Rurng TSENG
  • Publication number: 20160274098
    Abstract: A magnetic bead-based digital microfluidic immunoanalysis device and a method thereof are provided, which includes a lower plate, an upper plate disposed above the lower plate, a separating structure therebetween and a magnet disposed on the upper plate or the lower plate. The lower plate includes a first electrode layer including a plurality of channel electrodes with different sizes. A droplet containing few magnetic beads is adapted to be disposed on the lower plate and corresponding to the channel electrodes. The magnet attracts the magnetic beads to approach to the smaller one of the channel electrodes though a magnetic force, and when a voltage is applied to the first electrode layer, the droplet is divided to a detection portion with the magnetic beads and a waste-liquid portion without the magnetic beads respectively corresponding to the smaller one and the larger one of the channel electrodes through a dual-direction electrowetting-on-dielectric force.
    Type: Application
    Filed: June 15, 2015
    Publication date: September 22, 2016
    Inventors: Wensyang Hsu, Cheng-Yeh Huang, Po-Yen Tsai, Po-Huai Shih, Shih-Kang Fan, Da-Jeng Yao, Cheng-Hsien Liu, Hong-Yuan Huang
  • Patent number: 9444271
    Abstract: A battery balance circuit is adapted to balance battery voltages among a plurality of battery cells. The battery balance circuit is enabled to perform a battery balance process when the battery cells are charged, and is disabled when one of the batter cells is fully charged or the battery cells are un-charged.
    Type: Grant
    Filed: November 6, 2012
    Date of Patent: September 13, 2016
    Assignee: GREEN SOLUTION TECHNOLOGY CO., LTD.
    Inventors: Han-Lin Li, Ping-Cheng Yeh, Chen-Hsung Wang, Shian-Sung Shiu
  • Patent number: 9422398
    Abstract: A copolymer, and a method for preparing a monomer used to form the copolymer are provided. The copolymer is a reaction product of a first monomer and a second monomer. In particular, the first monomer has a structure represented by Formula (I), and the second monomer has a structure represented by Formula (II), Formula (III), or Formula (IV) wherein Y is —NH2, or —CO2H; m is a positive integer from 2 to 10; X is independently —NH2, or —OH; A is CH2n, n is a positive integer from 2 to 10; and, l is a positive integer from 1 to 5.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: August 23, 2016
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Tun-Fun Way, Jiun-Jy Chen, Cheng Yeh, Yu-Ting Chen
  • Patent number: 9401326
    Abstract: A split contact structure includes a semiconductor substrate having a major surface; a first upwardly protruding structure disposed on the major surface; a first cell contact region in the major surface and being close to the first upwardly protruding structure; a second upwardly protruding structure disposed on the major surface; a second cell contact region in the major surface and being close to the second upwardly protruding structure; a first patterned layer stacked on the first upwardly protruding structure; a second patterned layer stacked on the first upwardly protruding structure; a first contact structure disposed on a sidewall of the first upwardly protruding structure and being in direct contact with the first cell contact region; and a second contact structure disposed on a sidewall of the second upwardly protruding structure and being in direct contact with the second cell contact region.
    Type: Grant
    Filed: May 24, 2015
    Date of Patent: July 26, 2016
    Assignee: INOTERA MEMORIES, INC.
    Inventors: Cheng-Yeh Hsu, Hsin-Pin Huang, Chih-Hao Cheng
  • Publication number: 20160164007
    Abstract: Organic metal compounds, and organic light-emitting devices employing the same, are provided. The organic metal compound has a chemical structure represented by formula (I): wherein each R1 can be independently hydrogen, C1-12 alkyl group, C5-10 cycloalkyl group, C3-12 heteroaryl group, or C6-12 aryl group; R2 can be independently hydrogen, halogen, C1-12 alkyl group, C5-10 cycloalkyl group, C3-12 heteroaryl group, or C6-12 aryl group.
    Type: Application
    Filed: August 27, 2015
    Publication date: June 9, 2016
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jin-Sheng LIN, Cheng-An WU, Pang-Chi HUANG, Meng-Hao CHANG, Han-Cheng YEH, Chun-Neng KU
  • Publication number: 20160164006
    Abstract: Organic metal compounds and organic electroluminescence devices employing the same are provided. The organic metal compound has a chemical structure represented below: wherein R1, R2, R3, R4, and R5 are independent and can be hydrogen, halogen, C1-8 alkyl or C1-8alkoxy; L can be acetylacetone ligand, picolinic acid ligand, N,N?-diisopropylbenzamidinate, or N,N?-diisopropyl-diisopropyl-guanidinate.
    Type: Application
    Filed: August 24, 2015
    Publication date: June 9, 2016
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Teng-Chih CHAO, Ching-Hui CHOU, Han-Cheng YEH, Meng-Hao CHANG
  • Patent number: D762431
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: August 2, 2016
    Assignee: Patent & Investment LLC
    Inventors: Albert Lee, Huang-Cheng Yeh