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).
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Patent number: 11830393Abstract: 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: GrantFiled: September 20, 2021Date of Patent: November 28, 2023Assignee: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: Feng-Hsiang Liu
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Patent number: 11735073Abstract: 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: GrantFiled: September 20, 2021Date of Patent: August 22, 2023Assignee: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: Feng-Hsiang Liu
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Publication number: 20220005389Abstract: 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: ApplicationFiled: September 20, 2021Publication date: January 6, 2022Inventor: FENG-HSIANG LIU
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Patent number: 11164486Abstract: 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: GrantFiled: May 24, 2019Date of Patent: November 2, 2021Assignee: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: Feng-Hsiang Liu
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Patent number: 10754464Abstract: 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: GrantFiled: May 7, 2019Date of Patent: August 25, 2020Assignee: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: Feng-Hsiang Liu
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Publication number: 20190377448Abstract: 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: ApplicationFiled: May 7, 2019Publication date: December 12, 2019Inventor: FENG-HSIANG LIU
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Publication number: 20190371213Abstract: 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: ApplicationFiled: May 24, 2019Publication date: December 5, 2019Inventor: FENG-HSIANG LIU
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Patent number: 10444425Abstract: 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: GrantFiled: February 28, 2017Date of Patent: October 15, 2019Assignee: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Feng-Hsiang Liu, Te-Chang Tseng
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Patent number: 10338735Abstract: 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: GrantFiled: October 26, 2017Date of Patent: July 2, 2019Assignee: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: Feng-Hsiang Liu
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Patent number: 10008173Abstract: 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: GrantFiled: November 13, 2015Date of Patent: June 26, 2018Assignee: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Fu-Cheng Wei, Hsin-Hua Lin, Feng-Hsiang Liu
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Patent number: 9904390Abstract: 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: GrantFiled: November 19, 2015Date of Patent: February 27, 2018Assignee: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: Feng-Hsiang Liu
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Publication number: 20180046316Abstract: 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: ApplicationFiled: October 26, 2017Publication date: February 15, 2018Inventor: FENG-HSIANG LIU
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Patent number: 9857902Abstract: 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: GrantFiled: November 18, 2015Date of Patent: January 2, 2018Assignee: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Feng-Hsiang Liu, Chia-Lin Liu
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Publication number: 20170363801Abstract: 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: ApplicationFiled: February 28, 2017Publication date: December 21, 2017Inventors: FENG-HSIANG LIU, TE-CHANG TSENG
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Publication number: 20170092218Abstract: 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: ApplicationFiled: November 13, 2015Publication date: March 30, 2017Inventors: FU-CHENG WEI, HSIN-HUA LIN, FENG-HSIANG LIU
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Publication number: 20170090628Abstract: 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: ApplicationFiled: November 19, 2015Publication date: March 30, 2017Inventor: FENG-HSIANG LIU
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Publication number: 20160351141Abstract: 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: ApplicationFiled: August 6, 2015Publication date: December 1, 2016Inventor: FENG-HSIANG LIU
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Publication number: 20160188057Abstract: 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: ApplicationFiled: May 15, 2015Publication date: June 30, 2016Inventor: FENG-HSIANG LIU
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Publication number: 20160188060Abstract: 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: ApplicationFiled: August 21, 2015Publication date: June 30, 2016Inventors: FENG-HSIANG LIU, WEI-CHENG CHEN
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Publication number: 20160147348Abstract: 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: ApplicationFiled: November 18, 2015Publication date: May 26, 2016Inventors: FENG-HSIANG LIU, CHIA-LIN LIU