Patents by Inventor YU-FU WENG

YU-FU WENG 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: 11741742
    Abstract: A display apparatus with fingerprint identification module within the display region of the display apparatus comprises a first cover and a display module, the fingerprint identification module being between the two. The first cover defines a display region and a non-display region. The fingerprint identification module includes a first substrate, a touch unit, a fingerprint identification unit, a control unit, and a first dummy unit with a plurality of first dummy electrodes. The first dummy unit is coplanar with the fingerprint identification unit. The first dummy electrodes surround the fingerprint identification unit, and cooperate with the fingerprint identification unit to enable uniform light transmittance over the whole display region.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: August 29, 2023
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yu-Fu Weng, Hung-Yun Huang
  • Patent number: 11340485
    Abstract: An LCD device defining a display area includes a backlight module for providing light, an LCD panel stacked on the backlight module, and a fingerprint sensor in the backlight module. The fingerprint sensor is positioned in the display area and defines a fingerprint sensing area in the display area.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: May 24, 2022
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yu-Fu Weng, Hung-Yun Huang
  • Publication number: 20220099618
    Abstract: An electrowetting on dielectric (EWOD) device able to self-detect a movement of a droplet under test includes a detection chip, a power switch module, a detection module, and a determination module. The detection chip includes a channel, several driving electrodes, and a detection electrode. Each driving electrode can couple with the detection electrode to form a driving loop. The power switch module provides one of a first voltage and a second voltage, to rock the droplet along, and a third voltage can also be applied to a specified driving electrode. The detection module computes a capacitance recovery time of the detection voltage changing from a peak voltage to a reference voltage in one cycle of a voltage period. The determination module confirms a position of the droplet based on the recovery time. A method for a self-detecting a movement of the droplet in EWOD device is also disclosed.
    Type: Application
    Filed: September 29, 2021
    Publication date: March 31, 2022
    Inventors: HUNG-YUN HUANG, CHIH LUN HUANG, JEN-CHIN HSIEH, CHUN-CHI LEE, YU-FU WENG
  • Publication number: 20220097052
    Abstract: A heating structure includes a first cover plate, a second cover plate, a conductive portion; and two first driving electrodes. The conductive portion is connected to the first cover plate and the second cover plate. The first cover plate, the conductive portion, and the second cover plate cooperatively define a channel for carrying a microbead. The channel includes a flow path. The two first driving electrodes are electrically connected to the conductive portion to energize the conductive portion. When the conductive portion is energized, a driving force is generated to drive the microbead away from a sidewall of the conductive portion to the flow path. A nucleic acid detection kit with the detection chip, and a nucleic acid detection device with the nucleic acid detection kit are also disclosed.
    Type: Application
    Filed: September 17, 2021
    Publication date: March 31, 2022
    Inventors: HUNG-YUN HUANG, CHIH LUN HUANG, JEN-CHIN HSIEH, CHUN-CHI LEE, YU-FU WENG
  • Publication number: 20220099756
    Abstract: An electrowetting on dielectric (EWOD) device for self-detection of an open-circuit or closed-circuit condition includes a detection chip, a power input module, a switch module, a detection module, and a determination module. The detection chip includes a channel, several driving electrodes, and a detection electrode. Each driving electrode can couple with the detection electrode to form the driving loop. The switch unit selects one of the driving electrodes to be electrically connected to the power input module for receiving a power voltage from the power input module. The detection module receives a detection voltage outputted by the detection electrode and accumulates the detection voltage to obtain an accumulated voltage. The determination module compares the accumulated voltage with a specified voltage for determining whether the driving loop is open-circuit or closed-circuit. A method for a self-detection circuit in EWOD device is also disclosed.
    Type: Application
    Filed: September 14, 2021
    Publication date: March 31, 2022
    Inventors: HUNG-YUN HUANG, KENG-YUAN CHEN, WEI-YANG HSU, CHUNG-YAO CHEN, YU-FU WENG
  • Publication number: 20220099757
    Abstract: An electrowetting on dielectric (EWOD) device able to self-detect an open-circuit or closed-circuit condition includes a detection chip, a power input module, a switch module, a detection module, and a determination module. The detection chip includes a channel, several driving electrodes, and a detection electrode. Each driving electrode can couple with the detection electrode to form the driving loop. The switch unit selects one of the driving electrodes to be electrically connected to the power input module for receiving a power voltage from the power input module. The detection module receives a detection voltage outputted by the detection electrode and accumulates the detection voltage to obtain an accumulated voltage. The determination module compares the accumulated voltage with a specified voltage for determining whether the driving loop is open-circuit or closed-circuit. A method for a self-detection circuit in EWOD device is also disclosed.
    Type: Application
    Filed: September 14, 2021
    Publication date: March 31, 2022
    Inventors: HUNG-YUN HUANG, KENG-YUAN CHEN, TING-CHIEH LU, CHUN-JEN LIN, YU-FU WENG
  • Patent number: 11238790
    Abstract: A method for driving a high-frequency display applied in a display apparatus with a border of reduced size selects one horizontal scan line for scanning during a selecting period. The signals of the selected horizontal scan line and two following horizontal lines adjacent to the selected horizontal scan line are made effective during a first sub-period. The signals of the selected horizontal scan line and a following horizontal scan line adjacent to the selected horizontal scan line are made effective during a second sub-period following. The signals of the selected horizontal scan line are made effective during a third sub-period following the second.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: February 1, 2022
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yu-Fu Weng, Chien-Wen Lin, Tzu-Yu Cheng
  • Publication number: 20210319205
    Abstract: A display apparatus with fingerprint identification module within the display region of the display apparatus comprises a first cover and a display module, the fingerprint identification module being between the two. The first cover defines a display region and a non-display region. The fingerprint identification module includes a first substrate, a touch unit, a fingerprint identification unit, a control unit, and a first dummy unit with a plurality of first dummy electrodes. The first dummy unit is coplanar with the fingerprint identification unit. The first dummy electrodes surround the fingerprint identification unit, and cooperate with the fingerprint identification unit to enable uniform light transmittance over the whole display region.
    Type: Application
    Filed: June 23, 2021
    Publication date: October 14, 2021
    Inventors: YU-FU WENG, HUNG-YUN HUANG
  • Patent number: 11093728
    Abstract: A display apparatus with fingerprint identification function includes a first cover, a display module, and a fingerprint identification module disposed between the first cover and the display module. The first cover defines a display region and a non-display region surrounding the display region. The display region includes a fingerprint identification region. The fingerprint identification module includes a first substrate, a touch unit, a fingerprint identification unit, and a control unit. The touch unit is coplanar with the fingerprint identification unit on a surface of the first substrate facing the first cover. The fingerprint identification unit is disposed in the fingerprint identification region and can identify fingerprint applied on the fingerprint identification region of the first cover.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: August 17, 2021
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yu-Fu Weng, Hung-Yun Huang
  • Patent number: 11009980
    Abstract: A fingerprint-sensing array on a substrate includes the substrate, scan lines, data lines, readout lines, sub-pixels, and multiple fingerprint recognition units. Areas between adjacent scan lines and adjacent data lines define one sub-pixel with pixel electrode and a first transistor. Of the first transistor, drain electrode connects to the pixel electrode, source electrode connects to one data line and gate electrode connects to one scan line. Thus some of the sub-pixels contain fingerprint recognition units, these being a photodiode electrically connected to one readout line. The readout line passes signals generated by the photodiode to achieve fingerprint recognition function. A display panel using the array on the substrate and a display device using the display panel are also provided.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: May 18, 2021
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Chien-Wen Lin, Yu-Fu Weng, Chia-Lin Liu
  • Publication number: 20210125552
    Abstract: A method for driving a high-frequency display applied in a display apparatus with a border of reduced size selects one horizontal scan line for scanning during a selecting period. The signals of the selected horizontal scan line and two following horizontal lines adjacent to the selected horizontal scan line are made effective during a first sub-period. The signals of the selected horizontal scan line and a following horizontal scan line adjacent to the selected horizontal scan line are made effective during a second sub-period following. The signals of the selected horizontal scan line are made effective during a third sub-period following the second.
    Type: Application
    Filed: December 10, 2020
    Publication date: April 29, 2021
    Inventors: YU-FU WENG, CHIEN-WEN LIN, TZU-YU CHENG
  • Publication number: 20210097256
    Abstract: A display apparatus with fingerprint identification function includes a first cover, a display module, and a fingerprint identification module disposed between the first cover and the display module. The first cover defines a display region and a non-display region surrounding the display region. The display region includes a fingerprint identification region. The fingerprint identification module includes a first substrate, a touch unit, a fingerprint identification unit, and a control unit. The touch unit is coplanar with the fingerprint identification unit on a surface of the first substrate facing the first cover. The fingerprint identification unit is disposed in the fingerprint identification region and can identify fingerprint applied on the fingerprint identification region of the first cover.
    Type: Application
    Filed: October 25, 2019
    Publication date: April 1, 2021
    Inventors: YU-FU WENG, HUNG-YUN HUANG
  • Publication number: 20210042005
    Abstract: A touch display apparatus with display function able to compensate for touch function effects includes N electrodes covered by an insulating layer, first connection lines, and second connection lines. The insulating layer defines through holes at regions corresponding to the electrode blocks. The first to (M?1)th electrode blocks are respectively connected to the second connection lines. The Mth to Nth electrode blocks are respectively connected to the first connection lines. The Mth electrode block is connected to the first connection line through the through holes in a first specified number. The (M+1)th to Nth electrode blocks are connected to the first connection line in a second specified number.
    Type: Application
    Filed: October 31, 2019
    Publication date: February 11, 2021
    Inventors: YU-FU WENG, HUNG-YUN HUANG
  • Patent number: 10896639
    Abstract: A display apparatus with a border of reduced size includes pixel units arranged in a matrix. Each pixel unit includes a driving transistor. The display apparatus defines a display region and a non-display region. The display region includes horizontal scan lines and data lines. The horizontal scan lines are parallel with each along a first direction, and the data lines are parallel with each other along a second direction. A pixel group contains three pixels and these pixel units are arranged on different columns along the first direction, and in different rows along the second direction. The driving transistors of these pixel units are electrically connected to one data line through connection lines.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: January 19, 2021
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yu-Fu Weng, Chien-Wen Lin, Tzu-Yu Cheng
  • Publication number: 20210004102
    Abstract: An in-cell touch display device including a display panel and a backlight module proofed against humming or other audible output by cross-induction includes touch electrodes in the display panel. The in-cell touch display device further includes an induced charge-eliminating element or a driving element to eliminate induced charges generated in the backlight module due to induction caused by the touch electrodes.
    Type: Application
    Filed: April 8, 2020
    Publication date: January 7, 2021
    Inventors: YU-FU WENG, HUNG-YUN HUANG
  • Patent number: 10854133
    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: Grant
    Filed: July 6, 2018
    Date of Patent: December 1, 2020
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Chia-Lin Liu, Yu-Fu Weng, Chien-Wen Lin, Tzu-Yu Cheng
  • Patent number: 10761653
    Abstract: A display panel able to receive full fingerprint impressions in a display area together with command touches, in addition to showing images, includes a substrate, scan lines, data lines, touch scan lines, touch lines, sub-pixels, and fingerprint sensing units. A method for driving such multifunctional touch display panel is also provided.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: September 1, 2020
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yu-Fu Weng, Chien-Wen Lin, Chia-Lin Liu
  • Patent number: 10748940
    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: Grant
    Filed: November 21, 2017
    Date of Patent: August 18, 2020
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Chia-Lin Liu, Yu-Fu Weng, Chien-Wen Lin, Tzu-Yu Cheng
  • Patent number: 10732757
    Abstract: A self-luminescence display apparatus capable of detecting pressure of touches applied by a user, the 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 is applied, the display panel deforms according to pressure applied, which cause the capacitances of the force sensing capacitors to alter. The change in capacitance value, corresponding to a position where the touch operation is applied, can be calculated.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: August 4, 2020
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Chien-Wen Lin, Yu-Fu Weng, Chia-Lin Liu
  • Patent number: 10690950
    Abstract: A touch display device includes a touch display module. The touch display module includes a TFT substrate, a color filtering substrate, and a liquid crystal layer encapsulated between the TFT substrate and the color filtering substrate. A first electrode layer is formed on a surface of the color filtering substrate facing the TFT substrate. A second electrode layer is formed on a surface of the TFT substrate facing the color filtering substrate. The touch display device further includes at least one supporting element on a side of the touch display module. The supporting element is elastic and configured for elastically resisting against the touch display module.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: June 23, 2020
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yu-Fu Weng, Chien-Wen Lin, Chia-Lin Liu, Tzu-Yu Cheng