Patents by Inventor Chien-Wen LIN

Chien-Wen LIN 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: 10296152
    Abstract: A touch display device includes a display module and a sensing module on the display module. The sensing module includes a first electrode layer on the display module, a second electrode layer facing the first electrode layer, and a dielectric layer between the first electrode layer and the second electrode layer. The second electrode layer includes a plurality of electrodes. The electrodes functions as electrodes of the touch display device for sensing a touch position. The electrodes, the first electrode layer, and the dielectric layer cooperatively form capacitors for sensing a touch force.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: May 21, 2019
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yu-Fu Weng, Chien-Wen Lin, Chia-Lin Liu
  • Publication number: 20190042037
    Abstract: A touch display panel operating in alternating touch-sensing modes includes a first substrate and a second substrate facing the first substrate, and with first electrodes on the first substrate and second electrodes on the second substrate. The touch display panel can work in a self-capacitance mode and a mutual-capacitance mode in sensing touch operations. The mutual-capacitance mode is implemented by the first electrodes and the second electrodes working together and the self-capacitance mode is implemented by the first electrodes alone.
    Type: Application
    Filed: May 24, 2018
    Publication date: February 7, 2019
    Inventors: CHIA-LIN LIU, YU-FU WENG, CHIEN-WEN LIN, TZU-YU CHENG
  • Publication number: 20190012957
    Abstract: A micro LED display panel includes a first metal layer, a micro LED layer on the first metal layer, and a transparent conductive layer on a side of the micro LED layer opposite from the first metal layer. The micro LED layer includes a plurality of micro LEDs spaced apart from each other. The first metal layer includes a plurality of first metal units spaced apart from each other. The plurality of first metal units serve as anodes or cathodes of the plurality of micro LEDs. The transparent conductive layer includes a plurality of transparent conductive units spaced apart from each other. The plurality of transparent conductive units serve as anodes or cathodes of the plurality of micro LEDs and are multiplexed as touch electrodes. The micro LED display panel of the present disclosure has both a display function and a touch function.
    Type: Application
    Filed: July 6, 2018
    Publication date: January 10, 2019
    Inventors: CHIA-LIN LIU, YU-FU WENG, CHIEN-WEN LIN, TZU-YU CHENG
  • Patent number: 10156918
    Abstract: A TFT substrate comprising a first conductive layer, a first semiconductor layer, a second semiconductor layer, a second conductive layer formed over the first semiconductor layer, a first transparent layer, a third conductive layer, and a second transparent layer. The TFT substrate further comprises a plurality of touch sensor units. Each of the touch sensor units includes a plurality of first wires and a plurality of second wires crossed with the first wires. The first wires and the second wires are electrically connected each other for detecting touch operations at a position corresponding to a junction of the first wires and the second wires. Each of the touch sensor units comprises two sub-pixel electrodes and a TFT structure; the TFT structure simultaneously drives the two sub-pixels.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: December 18, 2018
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yu-Fu Weng, Chien-Wen Lin, Chia-Lin Liu
  • Patent number: 10133427
    Abstract: An embedded touch-screen display panel includes a first substrate and a second substrate sandwiching a driving circuit disposed on the second substrate. The second substrate also carries a touch electrode layer and a first selecting circuit. The driving circuit generates signals of touches and driving signals, and includes a plurality of touch detecting pins and a plurality of controlling pins. The touch electrode layer includes a plurality of touch electrodes. At least two touch electrodes are electrically connected to one touch detecting pin via the first selecting circuit. A touch signal is transmitted between the two touch electrodes and the touch detecting pin. The controlling pin generates signals to the first selecting circuit to establish or cut off electrical connections between the touch detecting pins and the touch electrodes.
    Type: Grant
    Filed: October 12, 2015
    Date of Patent: November 20, 2018
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yu-Fu Weng, Chien-Wen Lin, Chia-Lin Liu
  • Publication number: 20180145090
    Abstract: A TFT substrate for a touch display panel of reduced thickness defines a display area and a surrounding non-display area. The TFT substrate includes a first conductive layer on the substrate and a second conductive layer on the first conductive layer. In the display area, the first conductive layer includes data lines and the second conductive layer includes common electrodes. Each common electrode extends as a strip along a first direction. Each data line extends along a second direction. The first direction intersects the second direction. Each data line crosses the common electrodes. Each data line functions as a touch driving electrode and each common electrode functions as a touch sensing electrode.
    Type: Application
    Filed: November 21, 2017
    Publication date: May 24, 2018
    Inventors: CHIA-LIN LIU, YU-FU WENG, CHIEN-WEN LIN, TZU-YU CHENG
  • Publication number: 20180129329
    Abstract: A TFT substrate defines a display area and a non-display area surrounding the display area. The TFT substrate includes a substrate and a conductive layer on the substrate. The conductive layer includes a plurality of touch driving electrodes, a plurality of touch sensing electrodes, and a plurality of common electrodes. The touch sensing electrodes are arranged in rows along a first direction and in columns along a second direction. Each touch driving electrode and each common electrode extend as strips along the first direction, the touch driving electrodes and the common electrodes are arranged in one column along the second direction. One common electrode and one row of the touch sensing electrodes are arranged at each side of each touch driving electrode along the second direction. The TFT substrate further includes a plurality of sensing lines.
    Type: Application
    Filed: November 3, 2017
    Publication date: May 10, 2018
    Inventors: CHIA-LIN LIU, YU-FU WENG, CHIEN-WEN LIN, TZU-YU CHENG
  • Publication number: 20180059831
    Abstract: A TFT substrate comprising a first conductive layer, a first semiconductor layer, a second semiconductor layer, a second conductive layer formed over the first semiconductor layer, a first transparent layer, a third conductive layer, and a second transparent layer. The TFT substrate further comprises a plurality of touch sensor units. Each of the touch sensor units includes a plurality of first wires and a plurality of second wires crossed with the first wires. The first wires and the second wires are electrically connected each other for detecting touch operations at a position corresponding to a junction of the first wires and the second wires. Each of the touch sensor units comprises two sub-pixel electrodes and a TFT structure; the TFT structure simultaneously drives the two sub-pixels.
    Type: Application
    Filed: August 24, 2016
    Publication date: March 1, 2018
    Inventors: YU-FU WENG, CHIEN-WEN LIN, CHIA-LIN LIU
  • Publication number: 20180053471
    Abstract: A display driving circuit for driving pixel units comprises a time controller, a first driving circuit, and a second driving circuit. The first driving circuit comprises a plurality of shift registers, and supplies phase-shifted scan signals. The shift registers are connected in cascade. Each shift register receives two clock signals from the time controller. Each shift register is a bidirectional shift register. Each shift register includes a pull-up transistor, a pull-down transistor, and a pull-down unit. The pull-down unit controls the pull-down transistor to turn on after the shift register being reset to prevent the shift register outputting an error signal.
    Type: Application
    Filed: August 11, 2017
    Publication date: February 22, 2018
    Inventors: CHIEN-WEN LIN, YU-FU WENG, CHIA-LIN LIU
  • Publication number: 20180046278
    Abstract: A touch display panel includes a color filter substrate, a thin film transistor substrate, a liquid crystal layer between the color filter substrate and the thin film transistor substrate, a touch sensing structure, and a force sensing structure. The touch display panel defines a display area and a border area surrounding the display area. The touch sensing structure is in the display area, and the force sensing structure is in the border area. The force sensing structure includes a plurality of first force sensing electrodes and a second force sensing electrode stacked on and electrically insulated from the first force sensing electrodes. The first force sensing electrodes and the second force sensing electrode cooperatively form a capacitive force sensing structure.
    Type: Application
    Filed: July 27, 2017
    Publication date: February 15, 2018
    Inventors: YU-FU WENG, CHIEN-WEN LIN, CHIA-LIN LIU
  • Publication number: 20180047794
    Abstract: An OLED touch display device includes a first electrode layer, a second electrode layer facing the first electrode layer, a light-emitting layer between the first electrode layer and the second electrode, and a third electrode layer on a side of the first electrode layer. The first electrode layer functions as a cathode of the light-emitting layer, and the second electrode layer functions as an anode of the light-emitting layer. The first electrode layer and the third electrode layer cooperatively form a capacitive force sensing element. The first electrode layer also functions as touch sensing electrode.
    Type: Application
    Filed: July 21, 2017
    Publication date: February 15, 2018
    Inventors: YU-FU WENG, CHIEN-WEN LIN, CHIA-LIN LIU
  • Publication number: 20180046279
    Abstract: A touch display device includes a display module and a sensing module on the display module. The sensing module includes a first electrode layer on the display module, a second electrode layer facing the first electrode layer, and a dielectric layer between the first electrode layer and the second electrode layer. The second electrode layer includes a plurality of electrodes. The electrodes functions as electrodes of the touch display device for sensing a touch position. The electrodes, the first electrode layer, and the dielectric layer cooperatively form capacitors for sensing a touch force.
    Type: Application
    Filed: August 11, 2017
    Publication date: February 15, 2018
    Inventors: YU-FU WENG, CHIEN-WEN LIN, CHIA-LIN LIU
  • Publication number: 20180046306
    Abstract: A self-luminescence display apparatus includes a display panel having a plurality of conductive layers and a supporting frame. One of the conductive layers cooperates with the supporting frame to form a plurality of force sensing capacitors. When a touch action is applied, the display panel deforms according to pressure applied, which cause the capacitances of the force sensing capacitors to alter, which corresponds to a place where the touch operation applied on.
    Type: Application
    Filed: August 10, 2017
    Publication date: February 15, 2018
    Inventors: CHIEN-WEN LIN, YU-FU WENG, CHIA-LIN LIU
  • Publication number: 20180046295
    Abstract: A touch display device able to receive touches and sense the touch forces includes a color filter substrate, a thin film transistor substrate, a liquid crystal layer, and an electrically-conductive frame on a side of the display panel away from the color filter substrate. First electrodes are formed on a surface of the color filter substrate adjacent to the liquid crystal layer and second electrodes are formed on a surface of a thin film transistor substrate adjacent to the liquid crystal layer. The first electrodes and the second electrodes cooperatively form a first capacitor for sensing touch force, and the second electrodes and the electrically-conductive frame cooperatively form a second capacitor for sensing touch force.
    Type: Application
    Filed: August 8, 2017
    Publication date: February 15, 2018
    Inventors: YU-FU WENG, CHIA-LIN LIU, CHIEN-WEN LIN, TZU-YU CHENG
  • Publication number: 20180046297
    Abstract: An in-cell touch display apparatus includes a color filter structure, a thin film transistor (TFT) array structure, a liquid crystal layer between the color filter structure and the TFT array structure, and a driving and detection unit. The color filter structure comprises a touch electrode layer. The TFT array structure comprises a conductive layer. The touch electrode layer comprises a plurality of touch electrodes arranged in a matrix and a plurality of pressure sensing electrodes arranged in a matrix. The touch electrodes and the pressure sensing electrodes are located on a same layer. The conductive layer comprises a plurality of conductive portions. The touch electrodes sense a touch position, and the pressure sensing electrodes and the conductive portions cooperate with each other to sense a touch pressure.
    Type: Application
    Filed: August 11, 2017
    Publication date: February 15, 2018
    Inventors: YU-FU WENG, CHIEN-WEN LIN, CHIA-LIN LIU
  • Publication number: 20180046298
    Abstract: A touch display device includes a color filter substrate, and a thin film transistor substrate facing the color filter substrate. The thin film transistor substrate includes a common electrode layer. A force sensing electrode layer is formed on the color filter substrate. The common electrode layer includes a plurality of common electrodes. The common electrodes function as electrodes of the touch display device for sensing a touch position. The common electrodes and the force sensing electrode layer cooperatively form capacitors for sensing a touch force, their capacitance varying as a result of the distance between them being reduced.
    Type: Application
    Filed: August 11, 2017
    Publication date: February 15, 2018
    Inventors: YU-FU WENG, CHIEN-WEN LIN, CHIA-LIN LIU
  • Publication number: 20180046303
    Abstract: A touch display apparatus a display unit and a touch unit. The display unit displays images and the touch unit which is overlapped on the display unit can sense independently a touch action applied on the touch unit and also the pressure applied in such touch. The touch display apparatus virtually simultaneously operates under a display period and a touch period in one frame for improving accuracy of determining the aspects of a touch function.
    Type: Application
    Filed: June 23, 2017
    Publication date: February 15, 2018
    Inventors: YU-FU WENG, CHIA-LIN LIU, CHIEN-WEN LIN
  • Publication number: 20170344147
    Abstract: An in-cell touch display apparatus includes a substrate structure, a display driving integrated chip (IC), and a plurality of touch sensor units arranged in a matrix. Each of the touch sensor units includes a plurality of connecting lines of difference lengths and a plurality of compensating portions corresponding to the connecting lines in a one-to-one relationship. Each of the connecting lines establishes an electrical connection between the touch sensor unit and the display driving IC. The compensating portions are electrically connected to the display driving IC. The connecting lines and the compensating portions receive a common voltage from the display driving IC during the display period. A sum of the lengths of the connecting line and the compensating portion is constant throughout the plurality of connecting lines so as to compensate for different capacitances of the connecting lines.
    Type: Application
    Filed: August 24, 2016
    Publication date: November 30, 2017
    Inventors: YU-FU WENG, CHIEN-WEN LIN, CHIA-LIN LIU
  • Patent number: 9817503
    Abstract: The present disclosure provides a thin film transistor (TFT) substrate. The TFT substrate includes a first metal layer, a second metal layer, a first transparent layer, a third metal layer, and a second transparent layer. The first metal layer includes at least one gate electrode. The second metal layer is insulated to the first metal layer and includes at least one source electrode and at least one drain electrode. The first transparent layer is insulated to the first metal layer and the second metal layer. The first transparent layer includes at least one common electrode layer. The third metal layer includes a plurality of metal wires electrically connected to the common electrode layer. The second transparent layer includes a plurality of transparent conductive wires electrically connected to the drain electrode. The metal wires and the transparent conductive wires form a touch sensing structure configured to detect touch operations.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: November 14, 2017
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Chien-Wen Lin, Yu-Fu Weng, Chia-Lin Liu
  • Patent number: 9771518
    Abstract: An optical device is provided, which includes a first transparent substrate, a second transparent substrate, and a liquid-crystal material disposed between the first transparent substrate and the second transparent substrate. The liquid-crystal material includes a photo responsive material with a chemical structure of: wherein A1 is A2 and A3 are independently X is halogen. R is H, C1-12 alkyl group, or C1-12 alkoxy group. R? is C1-12 alkyl group.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: September 26, 2017
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chien-Wen Lin, Yi-Lang Tsai, Jong-Lieh Yang, Shih-Hsien Liu, Chao-Wu Liaw, Kung-Lung Cheng