Patents by Inventor Cheng Kai Yu

Cheng Kai Yu 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: 10971090
    Abstract: The present invention discloses a method for a source driver, for preventing image sticking in a display panel coupled to the source driver. The source driver includes a first output driver and a second output driver having different polarities. The first output driver is configured with a first driving capability and the second output driver is configured with a second driving capability. The method includes the steps of: obtaining an effective voltage of a pixel in the display panel; and adjusting the second driving capability of the second output driver to be identical to the first driving capability of the first output driver, to allow the adjusted second driving capability to drive the effective voltage to reach a level having the same magnitude as a level of the effective voltage driven by the first source driver with the same variation of display data.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: April 6, 2021
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Cheng-Kai Kuei, Hsi-Mao Yu, Syang-Yun Tzeng
  • Publication number: 20210096390
    Abstract: A thin-plate-typed rotating module includes a rotating element, a driving unit and a base board. The rotating element is rotatable about a first axial direction and a second axial direction in a limited degree. The driving unit connects the rotating element for driving the rotating element to rotate about the first and second axial directions. The base board is furnished with a control module which is connected with the driving unit for controlling the driving unit to operate.
    Type: Application
    Filed: December 12, 2020
    Publication date: April 1, 2021
    Applicant: TDK Taiwan Corp.
    Inventors: Cheng Kai Yu, Chao Chang Hu, Chih Wei Weng
  • Publication number: 20210070843
    Abstract: Disclosed herein are methods for high-throughput screening of a virus-specific neutralizing antibody. According to certain embodiments of the present disclosure, the virus is an influenza virus. Also disclosed herein are the antibodies selected by the high-throughput screening method, and the uses thereof in the prophylaxis and/or treatment of viral infection.
    Type: Application
    Filed: October 19, 2018
    Publication date: March 11, 2021
    Inventors: An-Suei YANG, Ing-Chien CHEN, Yi-Kai CHIU, Chung-Ming YU, Cheng-Chung LEE, Chao-Ping TUNG, Yueh-Liang TSOU, Yi-Jen HUANG, Chia-Lung LIN, Hong-Sen CHEN, Hwei-Jiung WANG
  • Patent number: 10938291
    Abstract: An electromagnetic driving mechanism is provided, including a first member, a second member movably connected to the first member, an electromagnetic driving assembly, and a film. The electromagnetic driving assembly includes a magnet and a coil respectively disposed on the first and second members, so as to move the second member relative to the first member. The film is formed on the second member and has positive magnetic susceptibility.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: March 2, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Cheng-Kai Yu, Liang-Ting Ho, Shu-Shan Chen, Chao-Chang Hu
  • Patent number: 10895755
    Abstract: A thin-plate-typed rotating module includes a rotating element, a driving unit and a base board. The rotating element is rotatable about a first axial direction and a second axial direction in a limited degree. The driving unit connects the rotating element for driving the rotating element to rotate about the first and second axial directions. The base board is furnished with a control module which is connected with the driving unit for controlling the driving unit to operate.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: January 19, 2021
    Inventors: Cheng Kai Yu, Chao Chang Hu, Chih Wei Weng
  • Patent number: 10866394
    Abstract: An optical system is provided, including a first optical module, a second optical module, and an optical path adjusting mechanism. The first and second optical modules are respectively configured to sustain a first optical element and a second optical element which respectively have a first optical axis and a second optical axis perpendicular to each other. The first optical module has a first electromagnetic driving assembly. The optical path adjusting mechanism, disposed between the first and second optical modules, allows light to enter the second optical module which includes an optical path adjusting unit and a second electromagnetic driving assembly which are arranged in the incident direction of light.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: December 15, 2020
    Assignee: TDK Taiwan Corp.
    Inventors: Cheng-Kai Yu, Liang-Ting Ho, Shu-Shan Chen
  • Publication number: 20200371319
    Abstract: A camera system including a telephoto lens module is provided. The telephoto lens module includes a first image sensor, a first assembly, and a second assembly. The first assembly includes a first driving mechanism and a reflecting member connected to the first driving mechanism. The first driving mechanism is configured to drive the reflecting member to rotate around a first axis and a second axis. The second assembly is disposed between the first assembly and the first image sensor, including a second driving mechanism and a first lens. The second driving mechanism is configured to drive the first lens to move along a third axis. The first, second, and third axes are not parallel to each other. When light enters the telephoto lens along the first axis, light is reflected by the reflecting member and through the first lens along the third axis to the first image sensor.
    Type: Application
    Filed: August 14, 2020
    Publication date: November 26, 2020
    Inventors: Chao-Chang HU, Chen-Hsien FAN, Cheng-Kai YU, Chih-Wei WENG, Shu-Shan CHEN
  • Publication number: 20200348488
    Abstract: A driving mechanism for supporting an optical member is provided, including a fixed module, a movable module, a driving module disposed therebetween, and an elastic member. The driving module can drive the movable module to rotate around a first rotation axis relative to the fixed module. The elastic member includes a first connecting portion connected to the movable module, a second connecting portion connected to the fixed module, a first string portion connected to the first connecting portion, and a first buffer portion connected to the first string portion. The first string portion is disposed on the first rotation axis. The longitudinal axis of the first string portion is parallel to the first rotation axis. The first buffer portion has wave-shaped structure.
    Type: Application
    Filed: July 20, 2020
    Publication date: November 5, 2020
    Inventors: Liang-Ting HO, Cheng-Kai YU, Chao-Chang HU, Chih-Wei WENG, Che-Wei CHANG
  • Patent number: 10809487
    Abstract: An optical system is provided and includes a fixed module, a movable module, a driving coil, an electrical circuit and a magnetic element. The fixed module includes a base and a circuit board, and the movable module includes an optical member holder, configured to hold an optical member. The magnetic element corresponds to the driving coil and is configured to generate an electromagnetic driving force to drive the optical member holder to move relative to the base. The driving coil and the electrical circuit are integrally formed in the circuit board. The driving coil partially overlaps the electrical circuit when viewed along a direction perpendicular to an optical axis of the optical member.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: October 20, 2020
    Assignee: TDK Taiwan Corp.
    Inventors: Shu-Shan Chen, Cheng-Kai Yu, Chao-Chang Hu
  • Publication number: 20200301245
    Abstract: An optical system is provided and includes a light-sensing element, a reflecting unit and a first driving assembly. The reflecting unit includes a reflecting surface, configured to receive an incident light and to reflect a reflecting light. The reflecting light travels into the light-sensing element. The first driving assembly is configured to control the reflecting unit to move along a first axis direction from a first position to a second position, so as to adjust a focus position of the reflecting light on the light-sensing element, wherein the reflecting surface in the first position is parallel to the reflecting surface in the second position, and a distance between a center of the reflecting unit in the first position and the center of the reflecting unit in the second position is not zero.
    Type: Application
    Filed: June 8, 2020
    Publication date: September 24, 2020
    Inventors: Chao-Chang HU, Chih-Wei WENG, Cheng-Kai YU
  • Patent number: 10775596
    Abstract: A camera system including a telephoto lens module is provided. The telephoto lens module includes a first image sensor, a first assembly, and a second assembly. The first assembly includes a first driving mechanism and a reflecting member connected to the first driving mechanism. The first driving mechanism is configured to drive the reflecting member to rotate around a first axis and a second axis. The second assembly is disposed between the first assembly and the first image sensor, including a second driving mechanism and a first lens. The second driving mechanism is configured to drive the first lens to move along a third axis. The first, second, and third axes are not parallel to each other. When light enters the telephoto lens along the first axis, light is reflected by the reflecting member and through the first lens along the third axis to the first image sensor.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: September 15, 2020
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Cheng-Kai Yu, Chih-Wei Weng, Shu-Shan Chen
  • Patent number: 10754124
    Abstract: A driving mechanism for supporting an optical member is provided, including a fixed module, a movable module, a driving module disposed therebetween, and an elastic member. The driving module can drive the movable module to rotate around a first rotation axis relative to the fixed module. The elastic member includes a first connecting portion connected to the movable module, a second connecting portion connected to the fixed module, a first string portion connected to the first connecting portion, and a first buffer portion connected to the first string portion. The first string portion is disposed on the first rotation axis. The longitudinal axis of the first string portion is parallel to the first rotation axis. The first buffer portion has wave-shaped structure.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: August 25, 2020
    Assignee: TDK TAIWAN CORP.
    Inventors: Liang-Ting Ho, Cheng-Kai Yu, Chao-Chang Hu, Chih-Wei Weng, Che-Wei Chang
  • Patent number: 10754129
    Abstract: A camera system including a telephoto lens module is provided. The telephoto lens module includes a first image sensor, a first assembly, and a second assembly. The first assembly includes a first driving mechanism and a reflecting member connected to the first driving mechanism. The first driving mechanism is configured to drive the reflecting member to rotate around a first axis and a second axis. The second assembly is disposed between the first assembly and the first image sensor, including a second driving mechanism and a first lens. The second driving mechanism is configured to drive the first lens to move along a third axis. The first, second, and third axes are not parallel to each other. When light enters the telephoto lens along the first axis, light is reflected by the reflecting member and through the first lens along the third axis to the first image sensor.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: August 25, 2020
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Cheng-Kai Yu, Chih-Wei Weng, Shu-Shan Chen
  • Publication number: 20200224791
    Abstract: A micro fluid actuator includes a first substrate, a chamber layer, a vibration layer, a first metal layer, a piezoelectric actuation layer, a second metal layer, a second substrate, an inlet layer, a resonance layer and an aperture array plate. The first substrate includes a plurality of first outflow apertures and a plurality of second outflow apertures. The chamber layer includes a storage chamber. The second metal layer includes an upper electrode pad and a lower electrode pad. While driving power having different phase charges is provided to the upper electrode pad and the lower electrode pad to drive and control the vibration layer to displace in a reciprocating manner, the fluid is inhaled from the exterior through the inlet layer, converged to the storage chamber, compressed and pushes out the aperture array plate, and then is discharged out from the micro fluid actuator to achieve fluid transportation.
    Type: Application
    Filed: January 13, 2020
    Publication date: July 16, 2020
    Applicant: Microjet Technology Co., Ltd.
    Inventors: Hao-Jan Mou, Rong-Ho Yu, Cheng-Ming Chang, Hsien-Chung Tai, Wen-Hsiung Liao, Chi-Feng Huang, Yung-Lung Han, Hsuan-Kai Chen
  • Patent number: 10712580
    Abstract: A driving mechanism is provided, including a fixed portion, a movable portion, and a driving module disposed therebetween. The driving module includes a first electromagnetic driving assembly and a second electromagnetic driving assembly. The first electromagnetic driving assembly has a first surface, and the second electromagnetic driving assembly has a second surface facing the first surface. The second surface is a curved surface. The driving module can drive the movable portion to rotate around a rotation axis relative to the fixed portion.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: July 14, 2020
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Che-Wei Chang, Cheng-Kai Yu
  • Patent number: 10712633
    Abstract: An optical system is provided and includes a light-sensing element, at least one optical lens, a reflecting unit and a first driving assembly. The reflecting unit includes a reflecting surface, configured to receive an incident light and to reflect a reflecting light. The reflecting light travels through the optical lens into the light-sensing element. The first driving assembly is configured to control the reflecting unit to move along a first axis direction, so as to adjust a focus position of the reflecting light on the light-sensing element.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: July 14, 2020
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chih-Wei Weng, Cheng-Kai Yu
  • Publication number: 20200211488
    Abstract: The present invention discloses a method for a source driver, for preventing image sticking in a display panel coupled to the source driver. The source driver includes a first output driver and a second output driver having different polarities. The first output driver is configured with a first driving capability and the second output driver is configured with a second driving capability. The method includes the steps of: obtaining an effective voltage of a pixel in the display panel; and adjusting the second driving capability of the second output driver to be identical to the first driving capability of the first output driver, to allow the adjusted second driving capability to drive the effective voltage to reach a level having the same magnitude as a level of the effective voltage driven by the first source driver with the same variation of display data.
    Type: Application
    Filed: December 27, 2018
    Publication date: July 2, 2020
    Inventors: Cheng-Kai Kuei, Hsi-Mao Yu, Syang-Yun Tzeng
  • Publication number: 20200209713
    Abstract: An optical member driving mechanism includes a movable portion, a fixed portion, a driving assembly, and a guiding assembly. The movable portion is configured to connect an optical lens, which has an optical axis. The fixed portion includes a base, wherein the base has a base surface. The movable portion is movable relative to the fixed portion, and the base surface faces the movable portion and is parallel to the optical axis. The driving assembly is configured to force the movable portion to move relative to the fixed portion. The movable portion is movable relative to the fixed portion via the guiding assembly. When viewed in a first direction that is perpendicular to the base surface, the optical axis does not overlap the driving assembly, and the optical axis does not overlap the guiding assembly.
    Type: Application
    Filed: March 10, 2020
    Publication date: July 2, 2020
    Inventors: Cheng-Kai YU, Chen-Hsien FAN, Chao-Chang HU, Shu-Shan CHEN, Chih-Wei WENG
  • Patent number: 10690934
    Abstract: A lens module comprises a housing, a lens holder movably accommodated in the housing and an optical image stabilization device (OIS device). The OIS device is configured to generate a driving force according to the movement of the lens holder so as to stabilize the lens holder. The OIS device of the lens module further comprises a substrate and a plurality of driving coils received in the substrate by means of embedment so that the OIS device occupies a smaller proportion of space in the lens module and thereby to keep the lens module compact.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: June 23, 2020
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Cheng-Kai Yu
  • Publication number: 20200192063
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, a magnetic sensed assembly, a first sensing element, and a magnetically permeable element. The movable portion is connected to an optical element which corresponds to incident light. The movable portion is movably connected to the fixed portion. The magnetic sensed assembly includes a first sensed portion having a first magnetic polar direction. The first sensing element is corresponding to the magnetic sensed assembly and is used to detect the rotation of the movable portion relative to the fixed portion, with a first rotational axis extending in a first direction that is different from an incident direction of the incident light and the first magnetic polar direction. The magnetically permeable element is corresponding to the first sensing magnet.
    Type: Application
    Filed: February 21, 2020
    Publication date: June 18, 2020
    Inventors: Chao-Chang HU, Shu-Shan CHEN, Cheng-Kai YU