Patents by Inventor Wu Wei
Wu Wei 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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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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Publication number: 20220092287Abstract: An electronic circuit adapted to control an operation of a gate driver circuit is provided. The electronic circuit includes a gate control circuit. The gate control circuit outputs control signals to the gate driver circuit in a display period and a fingerprint sensing period via the same output nodes. The control signals include a start pulse signal and a switch control signal. The switch control signal controls the gate driver circuit to operate in the display period or the fingerprint sensing period. The gate driver circuit includes a plurality of shift register groups and a switch circuit. The shift register groups output scan signals according to the start pulse signal. The switch circuit receives and outputs the scan signals to display scan lines in the display period and outputs the scan signals to fingerprint scan lines in the fingerprint sensing period according to the switch control signal.Type: ApplicationFiled: August 19, 2021Publication date: March 24, 2022Applicant: Novatek Microelectronics Corp.Inventors: Wei-Lun Shih, Wu Wei Lin, Kuei Jung Chen
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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: 20220068792Abstract: A semiconductor device includes: a substrate, including an upper surface and a first to a fourth side surfaces; wherein the upper surface includes a first edge connecting the first side surface and a second edge opposite to the first edge and connecting the second side surface; a first modified trace formed on the first side surface; and a semiconductor stack formed on the upper surface, including a lower surface connecting the upper surface of the substrate, and the lower surface comprises a fifth edge adjacent to the first edge and a sixth edge opposite to the fifth edge and adjacent to the second edge; wherein a shortest distance between the first edge and the fifth edge is S1 ?m, and a shortest distance between the second edge and the sixth edge is S2 ?m; wherein in a lateral view viewing from the third side surface, the first side surface forms a first acute angle with a degree of ?1 with the vertical direction, the second side surface forms a second acute angle with a degree of ?2 with the vertical direType: ApplicationFiled: August 24, 2021Publication date: March 3, 2022Inventors: Lin TZU HSIANG, Chen CHIH HAO, Wu WEI CHE, Chen YING CHIEH
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Patent number: 11244137Abstract: A fingerprint sensing control device and an operation method thereof are provided. The fingerprint sensing control device includes a touch control circuit and a fingerprint sensing control circuit. The touch control circuit determines a touched region of an object on the touch panel. The fingerprint sensing control circuit performs a fingerprint sensing control on the touch panel and determines a target sensing sub-region overlaid by the touched region from a plurality of sensing sub-regions of the fingerprint sensing region of the touch panel. When the target sensing sub-region comprises a first sensing sub-region and a second sensing sub-region that are adjacent to each other, the fingerprint sensing control circuit starts to scan the first sensing sub-region in a first direction from a common edge between the first sensing sub-region and the second sensing sub-region and starts to scan the second sensing sub-region in a second direction from the common edge.Type: GrantFiled: December 3, 2020Date of Patent: February 8, 2022Assignee: Novatek Microelectronics Corp.Inventors: Kuei-Chung Chang, 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: 20210395822Abstract: Methods of treatment, genetic screening, and disease models for heart conditions associated with RBM20 deficiency are disclosed. In particular, methods of treating heart conditions associated with RBM20 deficiency, including RBM20-dependent dilated cardiomyopathy and heart failure with compounds that upregulate expression of RBM20, such as all-trans retinoic acid are provided. Also disclosed are methods of genetic screening to detect the presence of a P633L mutation in RBM20 in order to identify individuals having a genetic predisposition to developing RBM20-dependent DCM. Induced pluripotent stem cell-derived cardiomyocytes (IPSC-CMs) produced by differentiation of IPSCs comprising at least one RBM20 allele encoding a P633L mutation and methods of using them in screening for therapeutics for treating RBM20-dependent DCM are also disclosed.Type: ApplicationFiled: October 25, 2019Publication date: December 23, 2021Inventors: Francesca BRIGANTI, Lars M. STEINMETZ, Han SUN, Wu WEI
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Publication number: 20210357615Abstract: In the invention, a fingerprint driving circuit, a fingerprint sensing device, an electronic apparatus, and an operation method of the fingerprint sensing device are provided. By keeping fingerprint sensing lines in a non-fingerprint sensing region in an electrically non-floating state, flash phenomenon in a display panel may be avoided.Type: ApplicationFiled: March 30, 2021Publication date: November 18, 2021Applicant: Novatek Microelectronics Corp.Inventors: Wei-Lun Shih, Wu Wei Lin, Ting-Hsuan Hung, Wen-Yi Hsieh
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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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Publication number: 20210224548Abstract: A driving device and an operation method thereof are provided. The driving device includes a first driving circuit and a second driving circuit. The first driving circuit performs a display driving operation to a display panel. The second driving circuit performs a fingerprint sensing operation (including a sensor reset operation and an image capture operation) to the display panel according to a timing control signal of the first driving circuit. The fingerprint sensing operation is operated with a same frame polarity configuration rule.Type: ApplicationFiled: January 22, 2021Publication date: July 22, 2021Applicant: Novatek Microelectronics Corp.Inventors: Wei-Lun Shih, Wu Wei Lin
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Publication number: 20210192168Abstract: A fingerprint sensing control device and an operation method thereof are provided. The fingerprint sensing control device includes a touch control circuit and a fingerprint sensing control circuit. The touch control circuit determines a touched region of an object on the touch panel. The fingerprint sensing control circuit performs a fingerprint sensing control on the touch panel and determines a target sensing sub-region overlaid by the touched region from a plurality of sensing sub-regions of the fingerprint sensing region of the touch panel. When the target sensing sub-region comprises a first sensing sub-region and a second sensing sub-region that are adjacent to each other, the fingerprint sensing control circuit starts to scan the first sensing sub-region in a first direction from a common edge between the first sensing sub-region and the second sensing sub-region and starts to scan the second sensing sub-region in a second direction from the common edge.Type: ApplicationFiled: December 3, 2020Publication date: June 24, 2021Applicant: Novatek Microelectronics Corp.Inventors: Kuei-Chung Chang, 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
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Publication number: 20210089746Abstract: 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: ApplicationFiled: September 8, 2020Publication date: March 25, 2021Applicant: Novatek Microelectronics Corp.Inventor: Wu-Wei Lin
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Publication number: 20210073504Abstract: 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: ApplicationFiled: August 28, 2020Publication date: March 11, 2021Applicant: Novatek Microelectronics Corp.Inventors: Wei-Lun Shih, Wu-Wei Lin, Huang-Chin Tang, Ting-Hsuan Hung
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Patent number: 10796126Abstract: A fingerprint sensing device comprises a plurality of sensing pads, a plurality of data lines, a shielding layer, and a plurality of auxiliary voltage lines. The data lines are separately and electrically connected to the sensing pads, and configured to provide a sensing voltage to the sensing pads. The shielding layer is disposed between the sensing pad and the data lines. The auxiliary voltage lines are separately and electrically connected to the sensing pads, configured to provide an auxiliary voltage to the sensing pads. The auxiliary voltage is different from the sensing voltage. When a first sensing pad receives the sensing voltage, a second sensing pad adjacent to the first sensing pad receives the auxiliary voltage.Type: GrantFiled: December 17, 2018Date of Patent: October 6, 2020Assignee: AU OPTRONICS CORPORATIONInventors: Wu-Wei Lin, Jui-Chi Lo
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Patent number: 10628652Abstract: A sensing method of a fingerprint sensor is provided. The fingerprint sensor includes a plurality of sensing pixels arranged in an array, and the sensing pixels respectively have a sensing electrode. The sensing method includes following steps. A required resolution of an identification requirement is determined; here, the identification requirement is received by the fingerprint sensor. If the number of pixels of the required resolution is less than or equal to the number of the sensing pixels, self-capacitance sensing is performed on the sensing pixels to provide a first fingerprint pattern. If the number of pixels of the required resolution is greater than the number of the sensing pixels, the self-capacitance sensing and mutual capacitance sensing are performed on the sensing pixels to provide a second fingerprint pattern.Type: GrantFiled: October 27, 2017Date of Patent: April 21, 2020Assignee: Au Optronics CorporationInventors: Wu-Wei Lin, Jui-Chi Lo
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Publication number: 20190188440Abstract: A fingerprint sensing device comprises a plurality of sensing pads, a plurality of data lines, a shielding layer, and a plurality of auxiliary voltage lines. The data lines are separately and electrically connected to the sensing pads, and configured to provide a sensing voltage to the sensing pads. The shielding layer is disposed between the sensing pad and the data lines. The auxiliary voltage lines are separately and electrically connected to the sensing pads, configured to provide an auxiliary voltage to the sensing pads. The auxiliary voltage is different from the sensing voltage. When a first sensing pad receives the sensing voltage, a second sensing pad adjacent to the first sensing pad receives the auxiliary voltage.Type: ApplicationFiled: December 17, 2018Publication date: June 20, 2019Inventors: Wu-Wei Lin, Jui-Chi Lo