Patents by Inventor FENG-HSIANG LIU

FENG-HSIANG 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: 11830393
    Abstract: A micro LED display panel capable of simpler but more precise manufacture by pre-loading micro LEDs onto wafers which are then transferred to a substrate includes the substrate and light-emitting units. Each light-emitting unit includes a wafer unit and at least two micro LEDs on the wafer unit. The display panel includes pixel regions, each pixel region including at least three adjacent sub-pixel regions. Each sub-pixel region has one micro LED therein. Each micro LED of the light-emitting units is located in one sub-pixel region and the micro LEDs in each pixel regions emit light of different colors.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: November 28, 2023
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Feng-Hsiang Liu
  • Patent number: 11735073
    Abstract: A micro LED display panel capable of simpler but more precise manufacture by pre-loading micro LEDs onto wafers which are then transferred to a substrate includes the substrate and light-emitting units. Each light-emitting unit includes a wafer unit and at least two micro LEDs on the wafer unit. The display panel includes pixel regions, each pixel region including at least three adjacent sub-pixel regions. Each sub-pixel region has one micro LED therein. Each micro LED of the light-emitting units is located in one sub-pixel region and the micro LEDs in each pixel regions emit light of different colors.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: August 22, 2023
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Feng-Hsiang Liu
  • Publication number: 20220005389
    Abstract: A micro LED display panel capable of simpler but more precise manufacture by pre-loading micro LEDs onto wafers which are then transferred to a substrate includes the substrate and light-emitting units. Each light-emitting unit includes a wafer unit and at least two micro LEDs on the wafer unit. The display panel includes pixel regions, each pixel region including at least three adjacent sub-pixel regions. Each sub-pixel region has one micro LED therein. Each micro LED of the light-emitting units is located in one sub-pixel region and the micro LEDs in each pixel regions emit light of different colors.
    Type: Application
    Filed: September 20, 2021
    Publication date: January 6, 2022
    Inventor: FENG-HSIANG LIU
  • Patent number: 11164486
    Abstract: A micro LED display panel capable of simpler but more precise manufacture by pre-loading micro LEDs onto wafers which are then transferred to a substrate includes the substrate and light-emitting units. Each light-emitting unit includes a wafer unit and at least two micro LEDs on the wafer unit. The display panel includes pixel regions, each pixel region including at least three adjacent sub-pixel regions. Each sub-pixel region has one micro LED therein. Each micro LED of the light-emitting units is located in one sub-pixel region and the micro LEDs in each pixel regions emit light of different colors.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: November 2, 2021
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Feng-Hsiang Liu
  • Patent number: 10754464
    Abstract: A display device able to provide uniform display brightness comprises a first substrate and spaced common electrodes which on the first substrate. The common electrodes are used for display and include at least one first sub-electrode and a plurality of second sub-electrodes, an area of each first sub-electrode being smaller than an area of any one of the second sub-electrodes. When the device is in display, a first common electrode voltage is applied to the first sub-electrodes, and a second common electrode voltage is applied to the second sub-electrode, the voltage value of each being different.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: August 25, 2020
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Feng-Hsiang Liu
  • Publication number: 20190377448
    Abstract: A display device able to provide uniform display brightness comprises a first substrate and spaced common electrodes which on the first substrate. The common electrodes are used for display and include at least one first sub-electrode and a plurality of second sub-electrodes, an area of each first sub-electrode being smaller than an area of any one of the second sub-electrodes. When the device is in display, a first common electrode voltage is applied to the first sub-electrodes, and a second common electrode voltage is applied to the second sub-electrode, the voltage value of each being different.
    Type: Application
    Filed: May 7, 2019
    Publication date: December 12, 2019
    Inventor: FENG-HSIANG LIU
  • Publication number: 20190371213
    Abstract: A micro LED display panel capable of simpler but more precise manufacture by pre-loading micro LEDs onto wafers which are then transferred to a substrate includes the substrate and light-emitting units. Each light-emitting unit includes a wafer unit and at least two micro LEDs on the wafer unit. The display panel includes pixel regions, each pixel region including at least three adjacent sub-pixel regions. Each sub-pixel region has one micro LED therein. Each micro LED of the light-emitting units is located in one sub-pixel region and the micro LEDs in each pixel regions emit light of different colors.
    Type: Application
    Filed: May 24, 2019
    Publication date: December 5, 2019
    Inventor: FENG-HSIANG LIU
  • Patent number: 10444425
    Abstract: A light source unit in a backlight module able to resist the accumulation of static electricity includes a circuit board, a plurality of lighting elements, a plurality of conductive lines, and at least one connecting line. Each conductive line electrically connects with lighting elements. The conductive line forms a plurality of first sharp portions. A plurality of second sharp portions which are grounded are facing the first sharp portions. The first sharp portions collect static electricity and the second sharp portions cooperate with the first sharp portions to discharge the static electricity.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: October 15, 2019
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Feng-Hsiang Liu, Te-Chang Tseng
  • Patent number: 10338735
    Abstract: A touch display panel includes a first substrate and a drive layer on the first substrate. The drive layer includes a plurality of gate lines. The touch display panel defines at least two blocks; each block includes at least two gate lines. A driving circuit system includes a gate driver coupled to the gate lines. The touch display panel includes a plurality of drive cycles. The driving circuit system drives the blocks in sequence during each drive cycle. Each block includes at least one display scanning period Ta and a touch scanning period Tb during each drive cycle. The gate driver is configured to scan the gate lines in sequence during each Ta. For each block, the gate lines are scanned from an initial gate line to an interrupted gate line in sequence, then the Tb starts. For one block, the interrupted gate lines in different drive cycles are different.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: July 2, 2019
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Feng-Hsiang Liu
  • Patent number: 10008173
    Abstract: A liquid crystal display device capable of being grounded to avoid afterimages includes a liquid crystal panel, a time controller, a gate driver, a data driver, a common voltage generating circuit, and a discharging circuit. The liquid crystal panel includes a plurality of pixel electrodes and a plurality of common electrodes. The pixel electrodes and common electrodes cooperate with each other to form a liquid crystal capacitor. In a power off process, the discharging circuit of the display controls the gate driver to stop generating grayscale voltages and grounds the common voltage generating circuit to discharge the liquid crystal capacitor.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: June 26, 2018
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Fu-Cheng Wei, Hsin-Hua Lin, Feng-Hsiang Liu
  • Patent number: 9904390
    Abstract: A display device includes a touch display panel, a switch circuit, and a driver chip. The touch display panel includes a touch circuit and a display circuit. The driver chip is coupled to the display circuit for driving the touch display panel to display images. The driver chip is coupled to the touch circuit through the switch circuit, for turning off a touch function of the touch display panel. The disclosure also provides a touch display panel.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: February 27, 2018
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Feng-Hsiang Liu
  • Publication number: 20180046316
    Abstract: A touch display panel includes a first substrate and a drive layer on the first substrate. The drive layer includes a plurality of gate lines. The touch display panel defines at least two blocks; each block includes at least two gate lines. A driving circuit system includes a gate driver coupled to the gate lines. The touch display panel includes a plurality of drive cycles. The driving circuit system drives the blocks in sequence during each drive cycle. Each block includes at least one display scanning period Ta and a touch scanning period Tb during each drive cycle. The gate driver is configured to scan the gate lines in sequence during each Ta. For each block, the gate lines are scanned from an initial gate line to an interrupted gate line in sequence, then the Tb starts. For one block, the interrupted gate lines in different drive cycles are different.
    Type: Application
    Filed: October 26, 2017
    Publication date: February 15, 2018
    Inventor: FENG-HSIANG LIU
  • Patent number: 9857902
    Abstract: An embedded touch screen display panel driving mechanism includes a number of common electrodes, a number of pixel units each including a pixel electrode, and a number of touch sensing electrodes. The common electrodes can receive a first common voltage to cooperatively induce a first electric field with the pixel electrodes to drive liquid crystals of a liquid crystal layer to rotate to display according to data signals received by the pixel electrodes. The common electrodes can also receive a second common voltage to cooperatively induce a second electric field with the touch sensing electrodes to enable the touch sensing electrodes to transmit touch signals corresponding to touch input on the touch electrodes. At any one time, some common electrodes receive the first common voltage while other common electrodes receive the second common voltage.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: January 2, 2018
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Feng-Hsiang Liu, Chia-Lin Liu
  • Publication number: 20170363801
    Abstract: A light source unit in a backlight module able to resist the accumulation of static electricity includes a circuit board, a plurality of lighting elements, a plurality of conductive lines, and at least one connecting line. Each conductive line electrically connects with lighting elements. The conductive line forms a plurality of first sharp portions. A plurality of second sharp portions which are grounded are facing the first sharp portions. The first sharp portions collect static electricity and the second sharp portions cooperate with the first sharp portions to discharge the static electricity.
    Type: Application
    Filed: February 28, 2017
    Publication date: December 21, 2017
    Inventors: FENG-HSIANG LIU, TE-CHANG TSENG
  • Publication number: 20170092218
    Abstract: A liquid crystal display device capable of being grounded to avoid afterimages includes a liquid crystal panel, a time controller, a gate driver, a data driver, a common voltage generating circuit, and a discharging circuit. The liquid crystal panel includes a plurality of pixel electrodes and a plurality of common electrodes. The pixel electrodes and common electrodes cooperate with each other to form a liquid crystal capacitor. In a power off process, the discharging circuit of the display controls the gate driver to stop generating grayscale voltages and grounds the common voltage generating circuit to discharge the liquid crystal capacitor.
    Type: Application
    Filed: November 13, 2015
    Publication date: March 30, 2017
    Inventors: FU-CHENG WEI, HSIN-HUA LIN, FENG-HSIANG LIU
  • Publication number: 20170090628
    Abstract: A display device includes a touch display panel, a switch circuit, and a driver chip. The touch display panel includes a touch circuit and a display circuit. The driver chip is coupled to the display circuit for driving the touch display panel to display images. The driver chip is coupled to the touch circuit through the switch circuit, for turning off a touch function of the touch display panel. The disclosure also provides a touch display panel.
    Type: Application
    Filed: November 19, 2015
    Publication date: March 30, 2017
    Inventor: FENG-HSIANG LIU
  • Publication number: 20160351141
    Abstract: A touch display device is provided. The touch display device includes: a touch display panel and a driver circuit system. The touch display includes a first substrate and a drive layer arranged on the first substrate. The drive layer includes at least two gate lines and at least two source lines intersected with the gate lines. The touch display panel is divided into at least two blocks, each block including at least two gate lines and at least two drive circles, each drive circle including a display scanning period. The driving circuit system includes a gate driver coupled with the at least two gate lines, the gate driver being configured to scan the gate lines from an initial scanning line to a last scanning line in sequence during each display scanning period. For at least one block, initial scanning lines of at least two display scanning periods are different.
    Type: Application
    Filed: August 6, 2015
    Publication date: December 1, 2016
    Inventor: FENG-HSIANG LIU
  • Publication number: 20160188057
    Abstract: An in-cell touch display device includes a touch control display panel, a common voltage generating circuitry and a detecting module. The touch control display panel has common electrodes in electrical connection with the common voltage generating circuitry and the detecting module and touch control sensing electrodes. The common voltage generating circuitry is provided for outputting a first common voltage and a second common voltage to the common electrodes in different time periods. The detecting module detects actual voltage of the common electrodes and determines a variation between the actual voltage and the first common voltage to thereby adjust the second common voltage according to the variation.
    Type: Application
    Filed: May 15, 2015
    Publication date: June 30, 2016
    Inventor: FENG-HSIANG LIU
  • Publication number: 20160188060
    Abstract: A touch display device is provided. The touch display device includes: a plurality of pixel electrodes configured to receive image data to be displayed; a plurality of common electrodes; a plurality of touch sensitive electrodes; common voltage generator configured to generate a first common voltage and a second common voltage, and a selection circuit, coupled between the common voltage generator and the plurality of common electrodes. The first common voltage is a first direct voltage, and the second common voltage is an alternating voltage switched between a second direct voltage and a third direct voltage. The selection circuit is configured to selectively output the first common voltage to the common electrodes during a first time period and selectively output the second common voltage to the common electrodes during a second time period.
    Type: Application
    Filed: August 21, 2015
    Publication date: June 30, 2016
    Inventors: FENG-HSIANG LIU, WEI-CHENG CHEN
  • Publication number: 20160147348
    Abstract: An embedded touch screen display panel driving mechanism includes a number of common electrodes, a number of pixel units each including a pixel electrode, and a number of touch sensing electrodes. The common electrodes can receive a first common voltage to cooperatively induce a first electric field with the pixel electrodes to drive liquid crystals of a liquid crystal layer to rotate to display according to data signals received by the pixel electrodes. The common electrodes can also receive a second common voltage to cooperatively induce a second electric field with the touch sensing electrodes to enable the touch sensing electrodes to transmit touch signals corresponding to touch input on the touch electrodes. At any one time, some common electrodes receive the first common voltage while other common electrodes receive the second common voltage.
    Type: Application
    Filed: November 18, 2015
    Publication date: May 26, 2016
    Inventors: FENG-HSIANG LIU, CHIA-LIN LIU