Patents by Inventor Jung-Chung Lee

Jung-Chung Lee 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: 11906713
    Abstract: An optical fingerprint sensing module includes an image sensing device, a light source and a light shielding structure. The image sensing device is configured to sense light transmitted from a fingerprint of a finger on a display panel. The image sensing device includes a light sensing plane having a first geometric center. The light source includes a light emitting plane having a second geometric center. The first geometric center is separated from the second geometric center by a distance from 2 mm to 20 mm. The light shielding structure is disposed between the image sensing device and the light source. In examples, the optical fingerprint sensing module further includes a field angle controller to constrain light pass there through with a field angle of 5-60 degrees. A display device including an optical fingerprint sensing module is disclosed herein as well.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: February 20, 2024
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Feng-Jung Kuo, Min Huang, Jung-Chung Lee, Chi-Ting Chen, Li-Yuan Chang, I-Hsiu Chen, Chin-Hui Huang
  • Patent number: 11747925
    Abstract: An electronic circuit adapted to drive a display panel including touch sensors and fingerprint sensors is provided. The electronic circuit includes a first circuit, a second circuit and a switch circuit. The first circuit is configured to generate display driving signals for driving data lines of the display panel. The second circuit is configured to receive fingerprint sensing signals corresponding to a fingerprint image from fingerprint sensing lines of the display panel. The switch circuit includes a plurality of first terminals and a plurality of second terminals. The first terminals are coupled to the first circuit and the second circuit. The second terminals are configurable to be coupled to the display panel via a plurality of first pins of the electronic circuit. Each of the first pins is configurable to be coupled to a corresponding data line and a corresponding fingerprint sensing line of the display panel.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: September 5, 2023
    Assignee: Novatek Microelectronics Corp.
    Inventors: Feng-Jung Kuo, Jung-Chung Lee, Chiu-Huang Huang, Ting-Hsuan Hung
  • Publication number: 20230267762
    Abstract: An electronic circuit adapted to drive a display panel is provided. The electronic circuit includes a touch sensing circuit, a fingerprint sensing circuit and a display driving circuit. The touch sensing circuit senses a touch of a finger and determines a first area corresponding to the touch on the display panel. The fingerprint sensing circuit senses a fingerprint image of the finger corresponding to the first area. The display driving circuit drives pixels of the first area with respective first gray levels and pixels of a second area outside the first area with respective second gray levels. The display driving circuit processes respective third gray levels to obtain the respective first gray levels or the respective second gray levels. The display driving circuit generates gamma voltages corresponding to the respective first gray levels and the respective second gray levels according to a same gamma curve.
    Type: Application
    Filed: April 26, 2023
    Publication date: August 24, 2023
    Applicant: Novatek Microelectronics Corp.
    Inventors: Wei-Lun Shih, Tzu-Wen Hsieh, Huan-Teng Cheng, Huang-Chin Tang, Yueh-Teng Mai, Shi-Hao Huang, Jung-Chung Lee
  • Patent number: 11721123
    Abstract: An electronic circuit adapted to drive a display panel is provided. The display panel includes touch sensors and fingerprint sensors. The electronic circuit includes a touch sensing circuit, a fingerprint sensing circuit and a display driving circuit. The touch sensing circuit senses a touch of a finger and determines a first area corresponding to the touch on the display panel. The fingerprint sensing circuit senses a fingerprint image of the finger corresponding to the first area. The display driving circuit drives pixels of the first area with respective first gray levels and pixels of a second area outside the first area with respective second gray levels. The display driving circuit processes respective third gray levels to obtain the respective second gray levels. The display driving circuit generates gamma voltages corresponding to the respective first gray levels and the respective second gray levels according to the same gamma curve.
    Type: Grant
    Filed: January 4, 2022
    Date of Patent: August 8, 2023
    Assignee: Novatek Microelectronics Corp.
    Inventors: Wei-Lun Shih, Tzu-Wen Hsieh, Huan-Teng Cheng, Huang-Chin Tang, Yueh-Teng Mai, Shi-Hao Huang, Jung-Chung Lee
  • Patent number: 11715322
    Abstract: A fingerprint sensing apparatus includes a plurality of fingerprint sensors and a fingerprint readout circuit. The fingerprint sensors may be configured to operate in a fingerprint sensing cycle. The fingerprint readout circuit may be coupled to the plurality of fingerprint sensors via a plurality of sensing lines. The fingerprint readout circuit may be configured to control the fingerprint sensors to operate in the fingerprint sensing cycle. The fingerprint sensing cycle includes an initialization period, an exposure period and a readout period. A voltage of a reset node in each fingerprint sensor among the fingerprint sensors is reset to a first voltage in a reset period before the fingerprint sensing cycle starts. The voltage of the reset node in each fingerprint sensor is initialized to an initial voltage in the initialization period. The initial voltage is different from the first voltage.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: August 1, 2023
    Assignee: Novatek Microelectronics Corp.
    Inventors: Po-Chi Lin, Chiu-Huang Huang, Jung-Chung Lee
  • Publication number: 20220165083
    Abstract: A fingerprint sensing apparatus includes a plurality of fingerprint sensors and a fingerprint readout circuit. The fingerprint sensors may be configured to operate in a fingerprint sensing cycle. The fingerprint readout circuit may be coupled to the plurality of fingerprint sensors via a plurality of sensing lines. The fingerprint readout circuit may be configured to control the fingerprint sensors to operate in the fingerprint sensing cycle. The fingerprint sensing cycle includes an initialization period, an exposure period and a readout period. A voltage of a reset node in each fingerprint sensor among the fingerprint sensors is reset to a first voltage in a reset period before the fingerprint sensing cycle starts. The voltage of the reset node in each fingerprint sensor is initialized to an initial voltage in the initialization period. The initial voltage is different from the first voltage.
    Type: Application
    Filed: November 18, 2021
    Publication date: May 26, 2022
    Applicant: Novatek Microelectronics Corp.
    Inventors: Po-Chi Lin, Chiu-Huang Huang, Jung-Chung Lee
  • Publication number: 20220130166
    Abstract: An electronic circuit adapted to drive a display panel is provided. The display panel includes touch sensors and fingerprint sensors. The electronic circuit includes a touch sensing circuit, a fingerprint sensing circuit and a display driving circuit. The touch sensing circuit senses a touch of a finger and determines a first area corresponding to the touch on the display panel. The fingerprint sensing circuit senses a fingerprint image of the finger corresponding to the first area. The display driving circuit drives pixels of the first area with respective first gray levels and pixels of a second area outside the first area with respective second gray levels. The display driving circuit processes respective third gray levels to obtain the respective second gray levels. The display driving circuit generates gamma voltages corresponding to the respective first gray levels and the respective second gray levels according to the same gamma curve.
    Type: Application
    Filed: January 4, 2022
    Publication date: April 28, 2022
    Applicant: Novatek Microelectronics Corp.
    Inventors: Wei-Lun Shih, Tzu-Wen Hsieh, Huan-Teng Cheng, Huang-Chin Tang, Yueh-Teng Mai, Shi-Hao Huang, Jung-Chung Lee
  • Patent number: 11270095
    Abstract: An electronic circuit for driving a panel including touch sensors and fingerprint sensors is provided. The electronic circuit includes a touch sensing circuit, a fingerprint sensing circuit and a display driving circuit. The touch sensing circuit senses a touch of a finger and determines a first area corresponding to the touch on the panel. The fingerprint sensing circuit senses a fingerprint image of the finger corresponding to the first area of the panel. The display driving circuit drives pixels over the panel with respective first gray levels during a first phase, and drives pixels of the first area with respective second gray levels and pixels of a second area outside the first area with respective third gray levels during a second phase. The respective second gray levels are higher than the respective first gray levels, and the respective third gray levels are lower than the respective second gray levels.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: March 8, 2022
    Assignee: Novatek Microelectronics Corp.
    Inventors: Wei-Lun Shih, Tzu-Wen Hsieh, Huan-Teng Cheng, Huang-Chin Tang, Yueh-Teng Mai, Shi-Hao Huang, Jung-Chung Lee
  • Publication number: 20210088823
    Abstract: A fingerprint recognition apparatus with light-emitting sources disposed in medium layers between a display panel and a sensor is introduced. The display panel displays according to a first light signal. The fingerprint recognition apparatus comprises: a sensor sensing the fingerprint according to a second light signal; a first medium layer disposed between the display panel and the sensor including a first light-emitting source to emit the first light signal; and a second medium layer disposed between the first medium layer and the sensor including a second light-emitting source to emit the second light signal.
    Type: Application
    Filed: March 27, 2020
    Publication date: March 25, 2021
    Applicant: Novatek Microelectronics Corp.
    Inventors: Po-Chi Lin, Jung-Chung Lee
  • Publication number: 20210072854
    Abstract: An electronic circuit adapted to drive a display panel including touch sensors and fingerprint sensors is provided. The electronic circuit includes a first circuit, a second circuit and a switch circuit. The first circuit is configured to generate display driving signals for driving data lines of the display panel. The second circuit is configured to receive fingerprint sensing signals corresponding to a fingerprint image from fingerprint sensing lines of the display panel. The switch circuit includes a plurality of first terminals and a plurality of second terminals. The first terminals are coupled to the first circuit and the second circuit. The second terminals are configurable to be coupled to the display panel via a plurality of first pins of the electronic circuit. Each of the first pins is configurable to be coupled to a corresponding data line and a corresponding fingerprint sensing line of the display panel.
    Type: Application
    Filed: August 26, 2020
    Publication date: March 11, 2021
    Applicant: Novatek Microelectronics Corp.
    Inventors: Feng-Jung Kuo, Jung-Chung Lee, Chiu-Huang Huang, Ting-Hsuan Hung
  • Publication number: 20210056281
    Abstract: An electronic circuit for driving a panel including touch sensors and fingerprint sensors is provided. The electronic circuit includes a touch sensing circuit, a fingerprint sensing circuit and a display driving circuit. The touch sensing circuit senses a touch of a finger and determines a first area corresponding to the touch on the panel. The fingerprint sensing circuit senses a fingerprint image of the finger corresponding to the first area of the panel. The display driving circuit drives pixels over the panel with respective first gray levels during a first phase, and drives pixels of the first area with respective second gray levels and pixels of a second area outside the first area with respective third gray levels during a second phase. The respective second gray levels are higher than the respective first gray levels, and the respective third gray levels are lower than the respective second gray levels.
    Type: Application
    Filed: July 6, 2020
    Publication date: February 25, 2021
    Inventors: Wei-Lun Shih, Tzu-Wen Hsieh, Huan-Teng Cheng, Huang-Chin Tang, Yueh-Teng Mai, Shi-Hao Huang, Jung-Chung Lee
  • Publication number: 20200292796
    Abstract: An optical fingerprint sensing module includes an image sensing device, a light source and a light shielding structure. The image sensing device is configured to sense light transmitted from a fingerprint of a finger on a display panel. The image sensing device includes a light sensing plane having a first geometric center. The light source includes a light emitting plane having a second geometric center. The first geometric center is separated from the second geometric center by a distance from 2 mm to 20 mm. The light shielding structure is disposed between the image sensing device and the light source. In examples, the optical fingerprint sensing module further includes a field angle controller to constrain light pass there through with a field angle of 5-60 degrees. A display device including an optical fingerprint sensing module is disclosed herein as well.
    Type: Application
    Filed: May 28, 2020
    Publication date: September 17, 2020
    Inventors: Feng-Jung KUO, Min HUANG, Jung-Chung LEE, Chi-Ting CHEN, Li-Yuan CHANG, I-Hsiu CHEN, Chin-Hui HUANG
  • Publication number: 20140271850
    Abstract: Described herein is a pharmaceutical composition comprising lamotrigine as an active ingredient providing a prolonged release characteristic to allow once a day dosage regime. The composition comprises lamotrigine and a swelling agent forming a core or an extended-release composition. The core or an extended-release composition may be coated with a hydrophobic, pH-independent polymer to provide a modified extended-release composition. The formulation may comprise other pharmaceutically acceptable excipients that may act as additional release rate modifier(s), e.g., a pore forming agent in the hydrophobic polymer coat/film. Also described are the processes of preparing such dosage forms and their use.
    Type: Application
    Filed: March 13, 2014
    Publication date: September 18, 2014
    Applicant: PHARMTAK, INC.
    Inventors: I-Lan Tung Sue, Jung-Chung Lee
  • Publication number: 20140044780
    Abstract: Described herein is a pharmaceutical composition comprising levetiracetam as an active ingredient to provide prolonged release characteristic to allow once a day dosage regime. The innovative formulation comprises levetiracetam and a hydrophobic polymer with or without additional release rate modifier(s). The formulation may comprise other pharmaceutically acceptable excipients. This invention also describes the processes of preparing such dosage forms.
    Type: Application
    Filed: August 5, 2013
    Publication date: February 13, 2014
    Inventors: I-Lan Tung Sue, Jung-Chung Lee
  • Publication number: 20070205975
    Abstract: A test system includes a parameter control platform including a control unit for generating a signal corresponding to control parameters of an LCD module, and a signal output interface coupled to the control unit for outputting the signal generated by the control unit. The test system further includes a system board including a signal input interface coupled to the signal output interface of the parameter control platform for receiving the signal generated by the control unit of the parameter control platform, a micro control unit coupled to the signal input interface for controlling the LCD module to display a corresponding frame according to the signal transmitted from the signal input interface, and a signal output interface coupled to the micro control unit for outputting a control signal generated by the micro control unit to the LCD module.
    Type: Application
    Filed: May 11, 2006
    Publication date: September 6, 2007
    Inventor: Jung-Chung Lee
  • Publication number: 20060198883
    Abstract: Compositions and methods for the treatment of anorectal disorders are provided in which certain combinations of NO donors, PDE inhibitors, superoxide (O2?) scavengers, ?-adrenergic agonists, cAMP-dependent protein kinase activators, ?1-adrenergic antagonists, L-type Ca2+ channel blockers, estrogens, ATP-sensitive K+ channel activators and smooth muscle relaxants are used.
    Type: Application
    Filed: February 16, 2006
    Publication date: September 7, 2006
    Applicant: Cellegy Pharmaceuticals, Inc.
    Inventors: Thomas Parks, Vivien Mak, Jung-Chung Lee, Charles Lee
  • Patent number: 6889875
    Abstract: A dispensing device includes a hollow body coupled to a pump mechanism having a dip tube, and to a follower piston. A well provided in the piston is generally larger in diameter than the dip tube to allow fluid in the chamber to flow down into the well as the dip tube enters the well to facilitate fluid removal after a significant portion of the fluid has been removed.
    Type: Grant
    Filed: July 15, 2002
    Date of Patent: May 10, 2005
    Assignee: Cellegy Pharmaceuticals, Inc.
    Inventors: Charles E. Lee, Jung-Chung Lee
  • Patent number: 6627632
    Abstract: Compositions and methods for the treatment of anorectal disorders are provided in which certain combinations of NO donors, PDE inhibitors, superoxide (O2−) scavengers, &bgr;-adrenergic agonists, cAMP-dependent protein kinase activators, &agr;1-adrenergic antagonists, L-type Ca2+ channel blockers, estrogens, ATP-sensitive K+ channel activators and smooth muscle relaxants are used.
    Type: Grant
    Filed: July 30, 2001
    Date of Patent: September 30, 2003
    Assignee: Cellegy Pharmaceuticals, Inc.
    Inventors: Thomas P. Parks, Vivien Mak, Jung-Chung Lee, Charles Lee
  • Publication number: 20020187990
    Abstract: Compositions and methods for the treatment of anorectal disorders are provided in which certain combinations of NO donors, PDE inhibitors, superoxide (O2−) scavengers, &bgr;-adrenergic agonists, cAMP-dependent protein kinase activators, &agr;1-adrenergic antagonists, L-type Ca2+ channel blockers, estrogens, ATP-sensitive K+ channel activators and smooth muscle relaxants are used.
    Type: Application
    Filed: July 17, 2002
    Publication date: December 12, 2002
    Applicant: Cellegy Pharmaceuticals, Inc.
    Inventors: Thomas P. Parks, Vivien Mak, Jung-Chung Lee, Charles Lee
  • Publication number: 20020182260
    Abstract: This invention provides concentrated inflammation modifiers obtained from various plant, animal, and mineral sources, and methods for the preparation of such concentrated inflammation modifiers. Also provided are methods of preventing and treating inflammation using the concentrated inflammation modifiers. The invention also provides methods of treating inflammation of the skin and mucosal membranes by administering compositions that contain concentrated inflammation modifiers as active ingredients. The methods are useful for treating inflammatory diseases, as well as for reducing or eliminating inflammation that results from transdermal delivery of a drug, or from cosmetics and skin care products. The concentrated inflammation modifiers and methods are also useful for enhancing wound healing and skin aging.
    Type: Application
    Filed: March 11, 2002
    Publication date: December 5, 2002
    Applicant: Cellegy Pharmaceuticals, Inc.
    Inventors: Vivien H.W. Mak, Michael L. Francoeur, Charles G. Chavdarian, Thomas P. Parks, Jung-Chung Lee, Charles Lee