Patents by Inventor Wu-Wei LIN
Wu-Wei 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).
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Patent number: 12586502Abstract: An integrated driving device is provided. The integrated driving device includes a touch sensing circuit and an optical sensing circuit. The touch sensing circuit is configured to perform touch sensing in a plurality of touch sensing periods during a first frame period. The optical sensing circuit is configured to perform optical sensing during at least one optical sensing period during the first frame period to obtain optical sensing signals for generating first ambient light information. The touch sensing periods and the optical sensing period are non-overlapping. Correspondingly, an operation method of an integrated driving device is also provided.Type: GrantFiled: March 5, 2024Date of Patent: March 24, 2026Assignee: Novatek Microelectronics Corp.Inventors: Wei-Lun Shih, Wu-Wei Lin, Jiun-Jie Tsai, Huang-Chin Tang, Ching-Chun Lin
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Publication number: 20240249548Abstract: A method and device of fingerprint image generation for saving memory are introduced. The method includes receiving a plurality of touch sensing values from a touch display panel and determining which touch sensing electrodes detect a touch event. An area corresponding to a number of touch sensing electrodes, which are a part of a plurality of touch sensing electrodes determined as detecting the touch event, is taken as an effective fingerprint area. The effective fingerprint area is determined by comparing a preset value and touch sensing values sensed by the plurality of touch sensing electrodes those are determined as detecting the touch event. The method further performs fingerprint sensing in a fingerprint readout area and storing a first fingerprint image corresponding to the effective fingerprint area .Type: ApplicationFiled: April 2, 2024Publication date: July 25, 2024Applicant: Novatek Microelectronics Corp.Inventors: WEILUN SHIH, WU-WEI LIN
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Publication number: 20240212551Abstract: An integrated driving device is provided. The integrated driving device includes a touch sensing circuit and an optical sensing circuit. The touch sensing circuit is configured to perform touch sensing in a plurality of touch sensing periods during a first frame period. The optical sensing circuit is configured to perform optical sensing during at least one optical sensing period during the first frame period to obtain optical sensing signals for generating first ambient light information. The touch sensing periods and the optical sensing period are non-overlapping. Correspondingly, an operation method of an integrated driving device is also provided.Type: ApplicationFiled: March 5, 2024Publication date: June 27, 2024Applicant: Novatek Microelectronics Corp.Inventors: Wei-Lun Shih, Wu-Wei Lin, Jiun-Jie Tsai, Huang-Chin Tang, Ching-Chun Lin
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Patent number: 11967168Abstract: A method and device of fingerprint image generation for saving memory. The method includes generating a first fingerprint image of an original data size according to a plurality of first analog sensing signals which are read from a fingerprint sensor array before an exposure period ends. Then the first fingerprint image represented by a first data size which is equivalent to or smaller than the original data size is stored. a second fingerprint image of the original data size is generated after generating the first fingerprint image of the original data size according to a plurality of second analog sensing signals which are read from the fingerprint sensor array during the exposure period. The second fingerprint image represented by a compressed data size smaller than the original data size is then stored.Type: GrantFiled: December 13, 2021Date of Patent: April 23, 2024Assignee: Novatek Microelectronics Corp.Inventors: Weilun Shih, Wu-Wei Lin
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Patent number: 11922844Abstract: An integrated driving device is provided. The integrated driving device includes a touch sensing circuit and an optical sensing circuit. The touch sensing circuit is configured to perform touch sensing in a plurality of touch sensing periods during a first frame period. The optical sensing circuit is configured to perform optical sensing during at least one optical sensing period during the first frame period to obtain optical sensing signals for generating first ambient light information. The touch sensing periods and the optical sensing period are non-overlapping. Correspondingly, an operation method of an integrated driving device is also provided.Type: GrantFiled: April 27, 2021Date of Patent: March 5, 2024Assignee: Novatek Microelectronics Corp.Inventors: Wei-Lun Shih, Wu-Wei Lin, Jiun-Jie Tsai, Huang-Chin Tang, Ching-Chun Lin
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Patent number: 11749012Abstract: A chip capable of controlling a panel to perform fingerprint sensing is provided. Fingerprint sensing pixels of the panel are divided into a plurality of fingerprint zones along a first direction. The chip includes a control circuit. The control circuit provides multiple control signals for controlling the panel to perform fingerprint sensing. The control signals include multiple start pulse signals. The start pulse signals are used to indicate the selected fingerprint zone. The number of the fingerprint zones is greater than the number of the start pulse signals.Type: GrantFiled: August 11, 2022Date of Patent: September 5, 2023Assignee: Novatek Microelectronics Corp.Inventors: Wei-Lun Shih, Wu-Wei Lin, Huang-Chin Tang, Ting-Hsuan Hung
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Patent number: 11551469Abstract: The present disclosure provides a fingerprint recognition driving method for a display panel, the display panel including a fingerprint recognition circuit, a fingerprint recognition driving circuit and a controller, the fingerprint recognition driving circuit being used to provide a fingerprint recognition driving signal to the fingerprint recognition circuit, the fingerprint recognition driving method including: periodically arranging, by the controller, time periods for display and touch in a case that the controller does not receive a fingerprint recognition start signal; periodically arranging, by the controller, time periods for display and touch and time periods for fingerprint recognition at intervals in a case that the controller receives the fingerprint recognition start signal; generating, by the controller, a first fingerprint recognition reset signal during at least one time period for display and touch, and the fingerprint recognition driving circuit being reset under the control of the first fiType: GrantFiled: July 7, 2021Date of Patent: January 10, 2023Assignee: NOVATEK MICROELECTRONICS CORP.Inventor: Wu-Wei Lin
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Publication number: 20220383654Abstract: A chip capable of controlling a panel to perform fingerprint sensing is provided. Fingerprint sensing pixels of the panel are divided into a plurality of fingerprint zones along a first direction. The chip includes a control circuit. The control circuit provides multiple control signals for controlling the panel to perform fingerprint sensing. The control signals include multiple start pulse signals. The start pulse signals are used to indicate the selected fingerprint zone. The number of the fingerprint zones is greater than the number of the start pulse signals.Type: ApplicationFiled: August 11, 2022Publication date: December 1, 2022Applicant: Novatek Microelectronics Corp.Inventors: Wei-Lun Shih, Wu-Wei Lin, Huang-Chin Tang, Ting-Hsuan Hung
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Patent number: 11508182Abstract: An electronic circuit adapted to drive a panel including a plurality of fingerprint sensing zones is provided. The electronic circuit includes a fingerprint sensing circuit. The fingerprint sensing circuit is configured to determine at least two fingerprint sensing zones to perform a fingerprint sensing operation according to a touch area and receive a fingerprint sensing signal corresponding to fingerprint sensing data from the at least two fingerprint sensing zones. The fingerprint sensing circuit rearranges the fingerprint sensing data from the at least two fingerprint sensing zones. In addition, an electronic device and a method for sensing a fingerprint image are also provided.Type: GrantFiled: January 5, 2022Date of Patent: November 22, 2022Assignee: Novatek Microelectronics Corp.Inventor: Wu-Wei Lin
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Patent number: 11462044Abstract: A chip, an electronic device, a panel and an operation method thereof are provided. The chip can control the panel to perform fingerprint sensing. Fingerprint sensing pixels of the panel are divided into a plurality of fingerprint zones along a column direction. The chip includes a selecting circuit and a control circuit. The selecting circuit obtains information about a selected fingerprint zone among the fingerprint zones. The control circuit provides multiple control signals for controlling the panel to perform fingerprint sensing. The control signals include multiple start pulse signals. The start pulse signals collectively indicate the selected fingerprint zone. The number of the fingerprint zones is greater than the number of the start pulse signals.Type: GrantFiled: August 28, 2020Date of Patent: October 4, 2022Assignee: Novatek Microelectronics Corp.Inventors: Wei-Lun Shih, Wu-Wei Lin, Huang-Chin Tang, Ting-Hsuan Hung
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Publication number: 20220189196Abstract: A method and device of fingerprint image generation for saving memory. The method includes generating a first fingerprint image of an original data size according to a plurality of first analog sensing signals which are read from a fingerprint sensor array before an exposure period ends. Then the first fingerprint image represented by a first data size which is equivalent to or smaller than the original data size is stored. a second fingerprint image of the original data size is generated after generating the first fingerprint image of the original data size according to a plurality of second analog sensing signals which are read from the fingerprint sensor array during the exposure period. The second fingerprint image represented by a compressed data size smaller than the original data size is then stored.Type: ApplicationFiled: December 13, 2021Publication date: June 16, 2022Inventors: WEILUN SHIH, WU-WEI LIN
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Publication number: 20220171494Abstract: An integrated driving device is provided. The integrated driving device includes a touch sensing circuit and an optical sensing circuit. The touch sensing circuit is configured to perform touch sensing in a plurality of touch sensing periods during a first frame period. The optical sensing circuit is configured to perform optical sensing during at least one optical sensing period during the first frame period to obtain optical sensing signals for generating first ambient light information. The touch sensing periods and the optical sensing period are non-overlapping. Correspondingly, an operation method of an integrated driving device is also provided.Type: ApplicationFiled: April 27, 2021Publication date: June 2, 2022Applicant: Novatek Microelectronics Corp.Inventors: Wei-Lun Shih, Wu-Wei Lin, Jiun-Jie Tsai, Huang-Chin Tang, Ching-Chun Lin
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Publication number: 20220130168Abstract: An electronic circuit adapted to drive a panel including a plurality of fingerprint sensing zones is provided. The electronic circuit includes a fingerprint sensing circuit. The fingerprint sensing circuit is configured to determine at least two fingerprint sensing zones to perform a fingerprint sensing operation according to a touch area and receive a fingerprint sensing signal corresponding to fingerprint sensing data from the at least two fingerprint sensing zones. The fingerprint sensing circuit rearranges the fingerprint sensing data from the at least two fingerprint sensing zones. In addition, an electronic device and a method for sensing a fingerprint image are also provided.Type: ApplicationFiled: January 5, 2022Publication date: April 28, 2022Applicant: Novatek Microelectronics Corp.Inventor: Wu-Wei Lin
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Patent number: 11302102Abstract: The present invention provides a method of a control circuit for controlling a fingerprint sensing operation of a display panel. The fingerprint sensing operation includes a reset operation, an exposure operation and a sample operation. The method includes steps of: performing the reset operation, the exposure operation and the sample operation of a fingerprint sensing cycle during a display frame interval in which a polarity of display data voltage on the display panel remains unchanged; and adjusting an exposure time of the exposure operation to be within the display frame interval.Type: GrantFiled: November 4, 2020Date of Patent: April 12, 2022Assignee: NOVATEK Microelectronics Corp.Inventors: Ping Liu, Wu-Wei Lin
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Patent number: 11281883Abstract: An electronic circuit adapted to drive a panel including a plurality of fingerprint sensing zones is provided. The electronic circuit includes a fingerprint sensing circuit. The fingerprint sensing circuit is configured to determine at least one of the fingerprint sensing zones to perform a fingerprint sensing operation according to a reference point of a touch area and receive a fingerprint sensing signal corresponding to fingerprint sensing data from the at least one of the fingerprint sensing zones. The fingerprint sensing circuit determines whether to rearrange the fingerprint sensing data according to the number of the fingerprint sensing zones determined to perform the fingerprint sensing operation. In addition, an electronic device and a method for sensing a fingerprint image are also provided.Type: GrantFiled: September 8, 2020Date of Patent: March 22, 2022Assignee: Novatek Microelectronics Corp.Inventor: Wu-Wei Lin
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Publication number: 20220012454Abstract: The present disclosure provides a fingerprint recognition driving method for a display panel, the display panel including a fingerprint recognition circuit, a fingerprint recognition driving circuit and a controller, the fingerprint recognition driving circuit being used to provide a fingerprint recognition driving signal to the fingerprint recognition circuit, the fingerprint recognition driving method including: periodically arranging, by the controller, time periods for display and touch in a case that the controller does not receive a fingerprint recognition start signal; periodically arranging, by the controller, time periods for display and touch and time periods for fingerprint recognition at intervals in a case that the controller receives the fingerprint recognition start signal; generating, by the controller, a first fingerprint recognition reset signal during at least one time period for display and touch, and the fingerprint recognition driving circuit being reset under the control of the first fiType: ApplicationFiled: July 7, 2021Publication date: January 13, 2022Inventor: Wu-Wei Lin
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Publication number: 20220004734Abstract: A fingerprint recognition apparatus including a frontplane, a backplane and a display medium layer is provided. The frontplane includes an upper substrate, a black matrix layer, a color filter layer, and a plurality of filtering elements. The black matrix layer is disposed on the upper substrate, and the color filter layer is disposed on the black matrix layer. The black matrix layer includes a plurality of pixel apertures and a plurality of first apertures. The filtering elements cover the first apertures and the filtering elements. The backplane includes a lower substrate and a sensor layer. The sensor layer includes a plurality of photo sensing elements. The photo sensing elements are configured to receive reflected lights from an object through the first apertures and the filtering elements. Areas of the photo sensing elements are overlapped with the first apertures in a longitudinal direction. The display medium layer is disposed between the frontplane and the backplane.Type: ApplicationFiled: September 15, 2021Publication date: January 6, 2022Applicant: Novatek Microelectronics Corp.Inventors: Ji-Ting Chen, Wu-Wei Lin, Cheng-Hsun Chan
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Publication number: 20210224505Abstract: The present invention provides a method of a control circuit for controlling a fingerprint sensing operation of a display panel. The fingerprint sensing operation includes a reset operation, an exposure operation and a sample operation. The method includes steps of: performing the reset operation, the exposure operation and the sample operation of a fingerprint sensing cycle during a display frame interval in which a polarity of display data voltage on the display panel remains unchanged; and adjusting an exposure time of the exposure operation to be within the display frame interval.Type: ApplicationFiled: November 4, 2020Publication date: July 22, 2021Inventors: Ping Liu, Wu-Wei Lin
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Patent number: 11030435Abstract: A method of sensing an image from a panel for an image sensing circuit includes the steps of: transmitting a first voltage or current to the panel; receiving a plurality of sensing signals from the panel, wherein the plurality of sensing signals correspond to the first voltage or current; determining whether the plurality of sensing signals conform to an operation range of the image sensing circuit; and adjusting the first voltage or current when the plurality of sensing signals are determined to be not conform to the operation range of the image sensing circuit.Type: GrantFiled: March 24, 2020Date of Patent: June 8, 2021Assignee: NOVATEK Microelectronics Corp.Inventors: Ting-Hsuan Hung, Wei-Lun Shih, Wu-Wei Lin
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Publication number: 20210110131Abstract: A fingerprint recognition apparatus including a frontplane, a backplane and a display medium layer is provided. The frontplane includes an upper substrate, a black matrix layer and a color filter layer. The black matrix layer is disposed on the upper substrate, and the color filter layer is disposed on the black matrix layer. The black matrix layer includes a plurality of pixel apertures and a plurality of first apertures. The backplane includes a lower substrate and a sensor layer. The sensor layer includes a plurality of photo sensing elements. The photo sensing elements are configured to receive reflected lights from an object through the first apertures of the black matrix layer. Areas of the photo sensing elements are overlapped with the first apertures in a longitudinal direction. The display medium layer is disposed between the frontplane and the backplane.Type: ApplicationFiled: September 30, 2020Publication date: April 15, 2021Applicant: Novatek Microelectronics Corp.Inventors: Wu-Wei Lin, Cheng-Hsun Chan