Patents by Inventor Chan-Liang Wu

Chan-Liang Wu 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: 8912671
    Abstract: A semiconductor device including a substrate and at least one alignment mark disposed on the substrate and having at least one hollow pattern. Therefore, the identification rate of the alignment mark can be high by the hollow pattern.
    Type: Grant
    Filed: May 16, 2013
    Date of Patent: December 16, 2014
    Assignees: Himax Technologies Limited, Himax Semiconductor, Inc.
    Inventors: Po-Yang Tsai, Chan-Liang Wu
  • Publication number: 20140339714
    Abstract: A semiconductor device including a substrate and at least one alignment mark disposed on the substrate and having at least one hollow pattern. Therefore, the identification rate of the alignment mark can be high by the hollow pattern.
    Type: Application
    Filed: May 16, 2013
    Publication date: November 20, 2014
    Applicants: Himax Semiconductor, Inc., HIMAX TECHNOLOGIES LIMITED
    Inventors: Po-Yang Tsai, Chan-Liang Wu
  • Patent number: 8751987
    Abstract: A method of resistor matching in analog integrated circuit layout is disclosed. Shapes of mismatching resistor blocks are analyzed to obtain geometrical information for deforming the mismatching resistor blocks. The mismatching resistor blocks are deformed into centrosymmetrical blocks according to the obtained geometrical information, each mismatching resistor block being decomposed to a plurality of unit-resistors. The unit-resistors are placed into matching resistor blocks to return a resulting layout with improved matching quality by reducing centroid offset between a centroid of the unit-resistors and a centroid of the matching resistor block.
    Type: Grant
    Filed: July 12, 2012
    Date of Patent: June 10, 2014
    Assignee: Oryx Holdings Pty Ltd.
    Inventors: Tsung-Yi Ho, Sheng-Jhih Jiang, Chan-Liang Wu
  • Patent number: 8726214
    Abstract: A floorplanning method for an analog integrated circuit layout is disclosed. A first-type block is defined as a movable and deformable block with rectangle constraint, and a second-type block is defined as a fixed-size block without rectangle constraint. Each block in the floorplan is classified to the first-type or the second-type block. In a shape determination stage, a target shape is determined among candidates of the first-type block, the first-type block accordingly being modified to the target shape, resulting in at least one overlap in the floorplan. In an overlap elimination stage, neighboring blocks of each said overlap are analyzed, the overlap being then eliminated by utilizing surrounding space, resulting in unused space in the floorplan. In an enlargement stage, the unused space is utilized for enlarging the first-type block.
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: May 13, 2014
    Assignees: NCKU Research and Development Foundation, Himax Technologies, Ltd.
    Inventors: Tsung-Yi Ho, Sheng-Jhih Jiang, Chan-Liang Wu
  • Publication number: 20130283226
    Abstract: A floorplanning method for an analog integrated circuit layout is disclosed. A first-type block is defined as a movable and deformable block with rectangle constraint, and a second-type block is defined as a fixed-size block without rectangle constraint. Each block in the floorplan is classified to the first-type or the second-type block. In a shape determination stage, a target shape is determined among candidates of the first-type block, the first-type block accordingly being modified to the target shape, resulting in at least one overlap in the floorplan. In an overlap elimination stage, neighboring blocks of each said overlap are analyzed, the overlap being then eliminated by utilizing surrounding space, resulting in unused space in the floorplan. In an enlargement stage, the unused space is utilized for enlarging the first-type block.
    Type: Application
    Filed: July 2, 2012
    Publication date: October 24, 2013
    Applicants: HIMAX TECHNOLOGIES LIMITED, NCKU RESEARCH AND DEVELOPMENT FOUNDATION
    Inventors: Tsung-Yi Ho, Sheng-Jhih Jiang, Chan-Liang Wu
  • Publication number: 20130145332
    Abstract: A method of resistor matching in analog integrated circuit layout is disclosed. Shapes of mismatching resistor blocks are analyzed to obtain geometrical information for deforming the mismatching resistor blocks. The mismatching resistor blocks are deformed into centrosymmetrical blocks according to the obtained geometrical information, each mismatching resistor block being decomposed to a plurality of unit-resistors. The unit-resistors are placed into matching resistor blocks to return a resulting layout with improved matching quality by reducing centroid offset between a centroid of the unit-resistors and a centroid of the matching resistor block.
    Type: Application
    Filed: July 12, 2012
    Publication date: June 6, 2013
    Applicants: HIMAX TECHNOLOGIES LIMITED, NCKU RESEARCH AND DEVELOPMENT FOUNDATION
    Inventors: Tsung-Yi Ho, Sheng-Jhih Jiang, Chan-Liang Wu
  • Publication number: 20100257495
    Abstract: A 3D-IC verification method is disclosed. Alignment mark(s), through-silicon via (TSV) and bump structure are defined on dummy layer(s) for each level of the 3D IC, followed by verifying chip(s), the alignment mark, the TSV and the bump structure for each level respectively. The dummy layers of the levels are extracted, and are then integrated. The integrated dummy layers of the 3D IC are then verified vertically.
    Type: Application
    Filed: April 6, 2009
    Publication date: October 7, 2010
    Inventor: Chan-Liang Wu
  • Publication number: 20090309169
    Abstract: A structure for preventing leakage of a semiconductor device is provided. The structure comprises a shielding line, for shielding the features beneath thereof, located under a conductive line which crosses over a region having high voltage device. The shielding line is wider than the conductive line.
    Type: Application
    Filed: August 21, 2009
    Publication date: December 17, 2009
    Applicant: HIMAX TECHNOLOGIES LIMITED
    Inventor: Chan-Liang Wu
  • Patent number: 7598585
    Abstract: A structure for preventing leakage of a semiconductor device is provided. The structure comprises a conductive layer, for shielding the features beneath thereof, located under a conductive line which crosses over a region having high voltage device. The conductive layer is wider than the conductive line.
    Type: Grant
    Filed: May 24, 2006
    Date of Patent: October 6, 2009
    Assignee: Himax Technologies Limited
    Inventor: Chan-Liang Wu
  • Patent number: 7541274
    Abstract: An integrated circuit with a reduced pad bump area and the manufacturing method thereof are disclosed. The integrated circuit includes a semiconductor substrate, an interconnection layer, a passivation layer, and at least a bump. The semiconductor substrate has a semiconductor device thereon. The interconnection layer is disposed on the semiconductor substrate and topped with a top metal layer which at least includes a bonding pad and a conductive line. The passivation layer is disposed on the interconnection layer and has at least an opening to expose the bonding pad. The bump is disposed on the passivation layer to connect the bonding pad through the opening and is extended to a coverage area not directly over the bonding pad.
    Type: Grant
    Filed: October 23, 2006
    Date of Patent: June 2, 2009
    Assignee: Himax Technologies Limited
    Inventors: Chan-Liang Wu, Ming-Cheng Chiu, Chien-Pin Chen
  • Patent number: 7514761
    Abstract: A triple operation voltage device including a first type substrate, a high voltage (HV) first type well, a second type well, a low voltage (LV) device well, and a middle voltage (MV) device well is provided. The HV first type well is disposed inside the first type substrate. The second type well is disposed inside the first type substrate to separate the HV first type well from the first type substrate. The LV device well and the MV device well are separately disposed inside the HV first type well by the separation of the HV first type well. The triple operation voltage device assists in reducing the space between the LV device well and the MV device well and improving the integration of integrated circuits.
    Type: Grant
    Filed: November 8, 2005
    Date of Patent: April 7, 2009
    Assignee: Himax Technologies, Inc.
    Inventors: Tz-Ian Hung, Ming-Cheng Chiu, Chan-Liang Wu
  • Patent number: 7388266
    Abstract: A structure for preventing leakage of a high voltage device is provided. The structure comprises a conductive layer, for shielding the features beneath thereof, located under a conductive line which crosses over a region having high voltage device. The conductive layer is wider than the conductive line.
    Type: Grant
    Filed: August 18, 2005
    Date of Patent: June 17, 2008
    Assignee: Himax Technologies Limited
    Inventor: Chan-Liang Wu
  • Publication number: 20080093737
    Abstract: An integrated circuit with a reduced pad bump area and the manufacturing method thereof are disclosed. The integrated circuit includes a semiconductor substrate, an interconnection layer, a passivation layer, and at least a bump. The semiconductor substrate has a semiconductor device thereon. The interconnection layer is disposed on the semiconductor substrate and topped with a top metal layer which at least includes a bonding pad and a conductive line. The passivation layer is disposed on the interconnection layer and has at least an opening to expose the bonding pad. The bump is disposed on the passivation layer to connect the bonding pad through the opening and is extended to a coverage area not directly over the bonding pad.
    Type: Application
    Filed: October 23, 2006
    Publication date: April 24, 2008
    Applicant: HIMAX TECHNOLOGIES LIMITED
    Inventors: Chan-Liang Wu, Ming-Cheng Chiu, Chien-Pin Chen
  • Publication number: 20070102782
    Abstract: A triple operation voltage device including a first type substrate, a high voltage (HV) first type well, a second type well, a low voltage (LV) device well, and a middle voltage (MV) device well is provided. The HV first type well is disposed inside the first type substrate. The second type well is disposed inside the first type substrate to separate the HV first type well from the first type substrate. The LV device well and the MV device well are separately disposed inside the HV first type well by the separation of the HV first type well. The triple operation voltage device assists in reducing the space between the LV device well and the MV device well and improving the integration of integrated circuits.
    Type: Application
    Filed: November 8, 2005
    Publication date: May 10, 2007
    Inventors: Tz-Ian Hung, Ming-Cheng Chiu, Chan-Liang Wu
  • Publication number: 20060255430
    Abstract: A structure for preventing leakage of a semiconductor device is provided. The structure comprises a conductive layer, for shielding the features beneath thereof, located under a conductive line which crosses over a region having high voltage device. The conductive layer is wider than the conductive line.
    Type: Application
    Filed: May 24, 2006
    Publication date: November 16, 2006
    Applicant: HIMAX TECHNOLOGIES, INC.
    Inventor: CHAN-LIANG WU
  • Publication number: 20060255429
    Abstract: A structure for preventing leakage of a high voltage device is provided. The structure comprises a conductive layer, for shielding the features beneath thereof, located under a conductive line which crosses over a region having high voltage device. The conductive layer is wider than the conductive line.
    Type: Application
    Filed: August 18, 2005
    Publication date: November 16, 2006
    Applicant: HIMAX TECHNOLOGIES, INC.
    Inventor: Chan-Liang Wu