Patents by Inventor Chi Kang Liu

Chi Kang Liu 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: 9318367
    Abstract: A method for forming FinFETs comprises forming a plurality of first fins and a plurality of second fins protruding over a substrate, wherein two adjacent first fins are separated from each other by a plurality of first isolation regions and two adjacent second fins are separated from each other by a plurality of second isolation regions. The method further comprises applying a first ion implantation process to the first isolation region, wherein dopants with a first polarity type are implanted in the first isolation region, applying a second ion implantation process to the second isolation region, wherein dopants with a second polarity type are implanted in the second isolation region and recessing the first isolation regions and the second isolation regions through an etching process.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: April 19, 2016
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yu-Lien Huang, Chi-Kang Liu, Chi-Wen Liu
  • Publication number: 20160070395
    Abstract: An in-cell touch display panel includes a substrate, a semiconductor stack, a transparent layer, an insulating layer and a metal layer. The semiconductor stack is disposed on the substrate. The transparent layer is disposed on the semiconductor stack, and includes a plurality of connecting electrode strips extending along a first direction. The insulating layer is disposed on the transparent layer. The metal layer is disposed on the insulating layer, and includes a plurality of first touch electrode strips and a plurality of first touch electrode portions. The first touch electrode strips extend along a second direction. The first touch electrode portions and the connecting electrode strips form a plurality of second touch electrode strips extending along the first direction. The first touch electrode strips intersect and are insulated from the second touch electrode strips.
    Type: Application
    Filed: September 1, 2015
    Publication date: March 10, 2016
    Inventors: Guo-Kiang Hung, Chi Kang Liu, Ping-Yu Chan
  • Publication number: 20160062502
    Abstract: A touch display device includes a substrate, a conductive layer and a transparent layer. The conductive layer is disposed on the substrate layer, and includes a plurality of metal lines, which extend along a first direction and are insulated from one another. The transparent layer is disposed on the conductive layer, and includes a plurality of first electrode strips, which extend along the first direction and individually overlap with at least one of the metal lines in a second direction substantially perpendicular to the substrate. The first electrode strips are disposed between a plurality of second electrode strips and the metal lines. The second electrode strips extend along a third direction different from the first direction and are disposed above the transparent layer. The second electrode strips form capacitance coupling with the metal lines via the first electrode strips to perform touch sensing.
    Type: Application
    Filed: March 2, 2015
    Publication date: March 3, 2016
    Inventors: Chi Kang Liu, Ping-Yu Chan, Guo-Kiang Hong
  • Publication number: 20160019855
    Abstract: A touch display device includes a display panel and a transparent conductive pattern layer. The display panel has a display side and a back side opposite to each other, and includes a plurality of data lines extending along a first direction. The data lines transmit a plurality of touch signals and display signals. The transparent conductive pattern layer is disposed on the display side, and includes a plurality of sensing electrodes extending along a second direction. The sensing electrodes intersect and are electrically insulated from the data lines to form a touch sensing element.
    Type: Application
    Filed: July 16, 2015
    Publication date: January 21, 2016
    Inventor: Chi Kang Liu
  • Publication number: 20160019854
    Abstract: A touch display panel includes a substrate, a plurality of data lines, a plurality of touch sensing lines, and a plurality of gate lines. The data lines are disposed above the substrate, and extend along a first direction. The touch sensing lines are disposed above the substrate, extend along a second direction different from the first direction, and intersect with the data lines. The gate lines are disposed above the substrate, extend along the second direction, and intersect with the data lines. The touch sensing lines or the gate lines and the data lines form touch sensing elements.
    Type: Application
    Filed: July 16, 2015
    Publication date: January 21, 2016
    Inventors: Chi Kang Liu, Guo-Kiang Hung
  • Patent number: 9235297
    Abstract: A capacitive touch screen sensing apparatus is provided. The apparatus includes a protecting layer; a sensing layer under the protecting layer for sensing a touch to generate a position signal; and a DC common voltage signal layer electrically connected with a DC voltage for shielding against signal interferences.
    Type: Grant
    Filed: September 2, 2010
    Date of Patent: January 12, 2016
    Assignee: MStar Semiconductor, Inc.
    Inventor: Chi Kang Liu
  • Publication number: 20150367691
    Abstract: A tire status monitoring-transmission system and a transmission device thereof are disclosed.
    Type: Application
    Filed: February 9, 2015
    Publication date: December 24, 2015
    Inventor: CHI-KANG LIU
  • Publication number: 20150243659
    Abstract: A shallow trench isolation (STI) structure is formed on a substrate. Part of the STI structure is removed to form a first fin structure and a second fin structure extending above a support structure on the substrate. A first part of the STI structure is located between the first fin structure and the second fin structure and has a first top surface higher than an interface between the first fin structure and the support structure. A second part of the STI structure is located adjacent to the first fin structure and has a second top surface lower than the interface between the first fin structure and the support structure. An etching process is performed to remove part of the first fin structure and the second fin structure. Part of the support structure adjacent to the second part of the STI structure is removed during the etching process.
    Type: Application
    Filed: February 26, 2014
    Publication date: August 27, 2015
    Applicant: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: YU-LIEN HUANG, CHI-KANG LIU, YUNG-TA LI, CHUN-HSIANG FAN, TUNG-YING LEE, Clement HSING-JEN WANN
  • Patent number: 9093985
    Abstract: A portable control apparatus includes a driver, a baseband controller, and a crystal oscillator. The driver includes an oscillating circuit that generates a feedback signal. The baseband controller coupled to the driver receives the feedback signal, and outputs a calibrating signal to the driver according to the feedback signal. The crystal oscillator coupled to the baseband controller generates an accurate output frequency for operating the baseband controller.
    Type: Grant
    Filed: July 27, 2010
    Date of Patent: July 28, 2015
    Assignee: MStar Semiconductor, Inc.
    Inventors: Huimin Tsai, Chi Kang Liu
  • Publication number: 20150171187
    Abstract: A finFET and methods for forming a finFET are disclosed. A structure comprises a substrate, a fin, a gate dielectric, and a gate electrode. The substrate comprises the fin. The fin has a major surface portion of a sidewall, and the major surface portion comprises at least one lattice shift. The at least one lattice shift comprises an inward or outward shift relative to a center of the fin. The gate dielectric is on the major surface portion of the sidewall. The gate electrode is on the gate dielectric.
    Type: Application
    Filed: February 19, 2015
    Publication date: June 18, 2015
    Inventors: Yu-Lien Huang, Chun-Hsiang Fan, Tsu-Hsiu Perng, Chi-Kang Liu, Yung-Ta Li, Ming-Huan Tsai, Clement Hsingjen Wann, Chi-Wen Liu
  • Patent number: 9046953
    Abstract: A control system for a touch screen is provided. The control system includes a voltage-level shifter between a screen controller and a touch controller. The voltage-level shifter level-shifts a common voltage for driving the screen to a corresponding timing signal with an input signal range acceptable by the touch controller.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: June 2, 2015
    Assignee: MSTAR SEMICONDUCTOR, INC
    Inventors: Guo-Kiang Hung, Chien Chuan Chen, Chi Kang Liu
  • Patent number: 9007339
    Abstract: A method for implementing a touch screen on a display panel and associated apparatus is provided. Cross locations of source lines and gate lines of the display panel are arranged for sensing a user touch control. In a sensing phase for sensing touch control, capacitance changes due to the touch control are sensed via the source lines. In a display phase, driving electricity is transmitted via the source lines for driving the display panel to display.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: April 14, 2015
    Assignee: MStar Semiconductor, Inc.
    Inventors: Sterling Smith, Chi-Kang Liu, Guo-Kiang Hung
  • Patent number: 8987791
    Abstract: A finFET and methods for forming a finFET are disclosed. A structure comprises a substrate, a fin, a gate dielectric, and a gate electrode. The substrate comprises the fin. The fin has a major surface portion of a sidewall, and the major surface portion comprises at least one lattice shift. The at least one lattice shift comprises an inward or outward shift relative to a center of the fin. The gate dielectric is on the major surface portion of the sidewall. The gate electrode is on the gate dielectric.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: March 24, 2015
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yu-Lien Huang, Chun-Hsiang Fan, Tsu-Hsiu Perng, Chi-Kang Liu, Yung-Ta Li, Ming-Huan Tsai, Clement Hsingjen Wann, Chi-Wen Liu
  • Patent number: 8891213
    Abstract: A semiconductor device for ESD protection includes a semiconductor substrate of a first conductivity type and a well region of a second conductivity type formed within the substrate. The well region is characterized by a first depth. The device includes an MOS transistor, a first bipolar transistor, and a second bipolar transistor. The MOS transistor includes a first lightly doped drain (LDD) region of a second depth within the well region, and a drain region and an emitter region within in the first LDD region. The emitter region is characterized by a second conductivity type. The first bipolar transistor is associated with the emitter region, the first LDD region, and the well region, and is characterized by a first trigger voltage. The second bipolar transistor is associated with the first LDD region, the well region, and the substrate, and is characterized by a second trigger voltage.
    Type: Grant
    Filed: September 24, 2011
    Date of Patent: November 18, 2014
    Assignee: Semiconductor Manufacturing International (Shanghai) Corporation
    Inventors: Chi Kang Liu, Ta Lee Yu, Quan Li
  • Publication number: 20140239354
    Abstract: A finFET and methods for forming a finFET are disclosed. A structure comprises a substrate, a fin, a gate dielectric, and a gate electrode. The substrate comprises the fin. The fin has a major surface portion of a sidewall, and the major surface portion comprises at least one lattice shift. The at least one lattice shift comprises an inward or outward shift relative to a center of the fin. The gate dielectric is on the major surface portion of the sidewall. The gate electrode is on the gate dielectric.
    Type: Application
    Filed: February 27, 2013
    Publication date: August 28, 2014
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Yu-Lien Huang, Chun-Hsiang Fan, Tsu-Hsiu Perng, Chi-Kang Liu, Yung-Ta Li, Ming-Huan Tsai, Clement Hsingjen Wann, Chi-Wen Liu
  • Patent number: 8817435
    Abstract: A method for making a semiconductor device includes providing a substrate of a first conductivity type and having a surface region, forming a well region of a second conductivity type and having a first depth in the substrate, adding a gate dielectric layer overlying the surface region, adding a gate layer overlying the gate dielectric layer, forming a first LDD region of the first conductivity type and having a second depth within the well region, forming an emitter region of the second conductivity type within the first LDD region, and forming a second LDD region of the first conductivity type with the well region, a channel region separates the first and second LDD regions. The method further includes forming a source region being of the first conductivity type within the second LDD region and adding an output pad coupled to both the drain and emitter regions.
    Type: Grant
    Filed: November 7, 2011
    Date of Patent: August 26, 2014
    Assignee: Semiconductor Manufacturing International (Shanghai) Corp.
    Inventors: Chi Kang Liu, Ta Lee Yu, Quan Li
  • Patent number: 8638304
    Abstract: A touch screen includes an LCD panel; a display controller for processing a video signal to generate a panel control signal and a sensing control signal, with the panel control signal controlling the LCD panel so that the LCD panel displays images according to the panel control signal; a touch panel, for generating the sensing signal in response to a touch; and a sensing circuit, coupled to the touch panel and the display controller, for receiving the sensing signal and the sensing control signal to generate a position signal with reference to the sensing control signal.
    Type: Grant
    Filed: July 19, 2010
    Date of Patent: January 28, 2014
    Assignee: MStar Semiconductor, Inc.
    Inventors: Chi Kang Liu, Chin-Wei Lin
  • Publication number: 20130241858
    Abstract: A control system for a touch screen is provided. The control system includes a voltage-level shifter between a screen controller and a touch controller. The voltage-level shifter level-shifts a common voltage for driving the screen to a corresponding timing signal with an input signal range acceptable by the touch controller.
    Type: Application
    Filed: March 18, 2013
    Publication date: September 19, 2013
    Applicant: MSTAR SEMICONDUCTOR, INC.
    Inventors: Guo-Kiang Hung, Chien Chuan Chen, Chi Kang Liu
  • Patent number: 8525822
    Abstract: A driving circuit on a liquid crystal display (LCD) panel and associated control method is provided. The LCD panel connected to a display control circuit via a flexible print circuit (FPC) includes a master source driver, for inputting a digital image signal in compliance with a first electrical specification via an FPC board and converting the digital image signal to a gate driving signal and a slave source driving signal, which are in compliance with a second electrical specification; a gate driver, for receiving the gate driving signal in compliance with the second electrical specification; and a slave source driver, for receiving the slave source driving signal in compliance with the second electrical specification. The master source driver, the slave source driver and the gate driver drive a thin-film transistor (TFT) on the LCD panel.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: September 3, 2013
    Assignee: MStar Semiconductor, Inc.
    Inventors: Chi Kang Liu, Chin-Wei Lin, Min-Nan Hsieh
  • Patent number: 8421765
    Abstract: A touch sensing device capable of accurately detecting a touched position on a touch panel includes a touch panel, a conversion unit and a calculation unit. The touch panel having a plurality of horizontal sensing lines and vertical sensing lines generates a plurality of horizontal sensing signals and vertical sensing signals in response to a touch on the touch panel. The conversion unit generates a plurality of two-dimensional (2D) sensing signals according to the horizontal and vertical sensing signals. The calculation unit determines a touched position on the touch panel according to the 2D sensing signals.
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: April 16, 2013
    Assignee: MStar Semiconductor, Inc.
    Inventors: Chi Kang Liu, Guo-Kiang Hung