Patents by Inventor Shun Chang

Shun Chang 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: 11899273
    Abstract: An imaging lens module with auto focus function includes an imaging lens assembly, an electromagnetic driving component assembly and a lens carrier. The imaging lens assembly has an optical axis. The electromagnetic driving component assembly drives the imaging lens assembly to move in a direction parallel to the optical axis by a Lorentz force. The imaging lens assembly is mounted to the lens carrier such that the imaging lens assembly can be wholly driven by the Lorentz force. The lens carrier includes an object-side part, a mounting structure and a plurality of plate portions. The object-side part includes a tip-end minimal aperture configured for light to travel through; and a tapered surface which surrounds an area tapered off from image side to object side. The mounting structure and the plate portions are configured for at least a part of the electromagnetic driving component assembly to be mounted thereto.
    Type: Grant
    Filed: October 20, 2022
    Date of Patent: February 13, 2024
    Assignee: LARGAN DIGITAL CO., LTD.
    Inventors: Chun-Hua Tsai, Ming-Ta Chou, Ming-Shun Chang
  • Patent number: 11895402
    Abstract: An actuator is configured to drive an imaging lens system. The actuator includes a frame portion configured to accommodate the imaging lens system, a supporting portion disposed on the frame portion, a driving portion configured to drive the imaging lens system to move, an optical mark structure disposed on part of the frame portion, the supporting portion or the driving portion and a liquid disposed on the optical mark structure. The supporting portion is configured to support the imaging lens system and give the imaging lens system a degree of freedom of movement with respect to the frame portion. The optical mark structure includes a plurality of optical mark units arranged side by side. The liquid is in physical contact with the imaging lens system, the frame portion, the supporting portion or the driving portion that is adjacent to the optical mark structure.
    Type: Grant
    Filed: February 17, 2021
    Date of Patent: February 6, 2024
    Assignee: LARGAN DIGITAL CO., LTD.
    Inventors: Yu Chen Lai, Ming-Ta Chou, Liang Chieh Weng, Ming-Shun Chang
  • Publication number: 20240040309
    Abstract: Various techniques pertaining to non-coherent noise reduction for audio enhancement on a multi-microphone mobile device are proposed. A processor receives a plurality of signals from a plurality of audio sensors corresponding to a plurality of channels responsive to sensing by the plurality of audio sensors. The processor then performs a non-coherent noise reduction on one or more signals of the plurality of signals to suppress one or more non-coherent noises in each of the one or more signals based on a respective signal-to-noise ratio (SNR) associated with each of the one or more signals. The processor further combines the plurality of signals subsequent the noise reduction to generate an output signal.
    Type: Application
    Filed: July 28, 2022
    Publication date: February 1, 2024
    Inventors: Chi Sheng Wu, Liang-Che Sun, Yiou-Wen Cheng, Shun-Chang Zhong
  • Patent number: 11887928
    Abstract: A package structure is provided. The package structure includes an encapsulant and an interposer. The encapsulant has a top surface and a bottom surface opposite to the top surface. The interposer is encapsulated by the encapsulant. The interposer includes a main body, an interconnector, and a stop layer. The main body has a first surface and a second surface opposite to the first surface. The interconnector is disposed on the first surface and exposed from the top surface of the encapsulant. The stop layer is on the second surface, wherein a bottom surface of the stop layer is lower than the second surface.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: January 30, 2024
    Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.
    Inventors: Yung-Shun Chang, Sheng-Wen Yang, Teck-Chong Lee, Yen-Liang Huang
  • Patent number: 11867887
    Abstract: A light-folding element includes an object-side surface, an image-side surface, a reflection surface and a connection surface. The reflection surface is configured to reflect imaging light passing through the object-side surface to the image-side surface. The connection surface is connected to the object-side, image-side and reflection surfaces. The light-folding element has a recessed structure located at the connection surface. The recessed structure is recessed from the connection surface an includes a top end portion, a bottom end portion and a tapered portion located between the top end and bottom end portions. The top end portion is located at an edge of the connection surface. The tapered portion has two tapered edges located on the connection surface. The tapered edges are connected to the top end and bottom end portions. A width of the tapered portion decreases in a direction from the top end portion towards the bottom end portion.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: January 9, 2024
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Min-Chun Liao, Lin An Chang, Ming-Ta Chou, Jyun-Jia Cheng, Cheng-Feng Lin, Ming-Shun Chang
  • Patent number: 11852595
    Abstract: A plastic lens element includes an optical effective portion and a peripheral portion. The peripheral portion surrounds the optical effective portion and includes a peripheral surface and an optical inspecting structure. The optical inspecting structure is disposed between the optical effective portion and the peripheral surface and includes a first optical inspecting surface and a second optical inspecting surface. The first optical inspecting surface and the second optical inspecting surface are disposed on two sides of the peripheral portion respectively and correspond to each other.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: December 26, 2023
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Lin-An Chang, Ming-Ta Chou, Cheng-Feng Lin, Liang-Chieh Weng, Ming-Shun Chang
  • Publication number: 20230411470
    Abstract: A trench-gate field effect transistor includes a plurality of trenches, a plurality of gate electrode units, and a plurality of source electrode units. Each of the trenches has a first trench region, a second trench region having a width less than that of the first trench region, and a neck trench region extending between the first trench region and the second trench region. Each of the gate electrode units includes a pair of first gate electrode portions disposed in the first trench region, a pair of second gate electrode portions disposed in the neck trench region, and a third gate electrode portion disposed in the second trench region. Each of the source electrode units includes a first source electrode portion disposed between a pair of the first gate electrode portions, and a second source electrode portion connected to the first source electrode portion.
    Type: Application
    Filed: May 19, 2023
    Publication date: December 21, 2023
    Applicant: FORCE MOS TECHNOLOGY CO., LTD.
    Inventors: Kao-Way TU, Yuan-Shun CHANG, Po-An TSAI, Huan-Chung WENG
  • Publication number: 20230387251
    Abstract: A method for manufacturing a semiconductor device includes: forming a patterned structure on a substrate, the patterned structure including a dielectric layer and a dummy gate structure disposed in the dielectric layer; and subjecting the patterned structure to an ion implantation process so as to modulate a profile of the dummy gate structure.
    Type: Application
    Filed: May 25, 2022
    Publication date: November 30, 2023
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Tien-Shun CHANG, Kuo-Ju CHEN, Sih-Jie LIU, Wei-Fu WANG, Yi-Chao WANG, Li-Ting WANG, Su-Hao LIU, Huicheng CHANG, Yee-Chia YEO
  • Publication number: 20230377913
    Abstract: Embodiments of an ion cryo-implantation process utilize a post implantation heating stage to heat the implanted wafer while under the heavy vacuum used during cryo-implantation. The implanted wafer is then transferred to load locks which are held at a lesser vacuum than the heavy vacuum.
    Type: Application
    Filed: August 3, 2023
    Publication date: November 23, 2023
    Inventors: Yu-Chang Lin, Tien-Shun Chang, Chun-Feng Nieh, Huicheng Chang, Yee-Chia Yeo
  • Publication number: 20230340151
    Abstract: The present invention provides novel antibodies that specifically bind to GUCY2c and uses thereof in the treatment of cancer. The present invention further provides novel bispecific antibodies comprising such antibodies and uses thereof in the treatment of cancer.
    Type: Application
    Filed: October 27, 2022
    Publication date: October 26, 2023
    Applicant: PFIZER INC.
    Inventors: Chew Shun CHANG, Gurkan GUNTAS, Madan KATRAGADDA, Divya MATHUR, Adam Reid ROOT, Lidia MOSYAK, Edward Roland LAVALLIE
  • Publication number: 20230333291
    Abstract: A light blocking sheet having a central axis includes a central hole and a plurality of inner extended portions. The central axis passes through the central hole, which is enclosed by a hole inner surface. The hole inner surface has a first corresponding circle and a second corresponding circle, wherein a diameter of the first corresponding circle is greater than a diameter of the second corresponding circle. The inner extended portions are adjacent to and surround the central hole, wherein each of the inner extended portions is extended and tapered from the first corresponding circle towards the second corresponding circle and includes an inner surface, and the inner surface includes a line pair. The line pair includes two line sections, wherein one end of one line section thereof and one end of the other line section thereof are towards the second corresponding circle and approach to each other.
    Type: Application
    Filed: June 19, 2023
    Publication date: October 19, 2023
    Inventors: Ming-Ta CHOU, Ming-Shun CHANG, Chih-Wen HSU
  • Publication number: 20230316961
    Abstract: A system and a method for image displaying are disclosed. The system for image displaying includes a first source device, a second source device, a display, and multiple image filtering devices. The first source device is configured to transmit a first image stream. The second source device is configured to transmit a second image stream. The display receives the first image stream and the second image stream, uses a predetermined frame rate to accordingly play a reconstructed image content, and provides a synchronization signal corresponding to the predetermined frame rate. The reconstructed image content is interleaved with a first image content corresponding to the first image stream and a second image content corresponding to the second image stream. Each of the image filtering devices includes an image display shutter. The image display shutter is switched between opening and closing according to the synchronization signal.
    Type: Application
    Filed: March 30, 2023
    Publication date: October 5, 2023
    Applicant: ViewSonic International Corporation
    Inventors: Jia-Shin Tsai, Kun-Tsang Yang, Shun-Chang Chen
  • Publication number: 20230316992
    Abstract: A display and a dehumidification method thereof are disclosed. The method includes the following. An interval time from a previous dehumidification process is calculated, and the interval time is compared with a threshold time. When the interval time exceeds the threshold time, a first reminder window is displayed for a user to choose whether to perform a dehumidification process when the dehumidification process or booting is executed automatically in a shutdown state. It is determined whether to limit a brightness of a display panel of the display according to a selecting operation with regard to the dehumidification process.
    Type: Application
    Filed: March 30, 2023
    Publication date: October 5, 2023
    Applicant: ViewSonic International Corporation
    Inventors: Jia-Shin Tsai, Li wei Cheng, Shun-Chang Chen
  • Patent number: 11762166
    Abstract: A plastic lens barrel includes an object-end portion, an image-end portion and a tube portion. The object-end portion has an object-end outer surface, an object-end opening and an object-end inner surface, wherein one end of the object-end inner surface is connected to the object-end outer surface and surrounds the object-end opening. The image-end portion has an image-end outer surface and an image-end opening. The tube portion connected object-end portion and the image-end portion, and includes a plurality of tube inner surfaces. At least one of the tube inner surfaces and the object-end inner surface includes a plurality of annular convex structures. Each of the annular convex structures surrounds a central axis of the plastic lens barrel. A cross-sectional plane of each annular convex structure passing through the central axis includes a peak point and two valley point.
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: September 19, 2023
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Ming-Shun Chang, Ming-Ta Chou, Wei-Hung Weng
  • Patent number: 11762132
    Abstract: An imaging lens assembly module has an optical axis, and includes at least one plastic lens element, a carrier element and a light absorbing layer. The plastic lens element, in order from a center to a peripheral region thereof, includes an optical effective portion and a peripheral portion. A side of the peripheral portion includes a plurality of step structures interposed between the side of the peripheral portion and a same side of the optical effective portion. The carrier element defines an inner space for disposing the plastic lens element, and includes a tip end minimal opening and a plurality of annular inner walls. The light absorbing layer is disposed on the peripheral portion of the plastic lens element, and the step structures and the at least one of the annular inner walls facing towards the plastic lens element.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: September 19, 2023
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Ming-Ta Chou, Cheng-Feng Lin, Po-Lun Hsu, Ming-Shun Chang, Ming-Ching Lin
  • Patent number: 11745349
    Abstract: An origin calibration method of a manipulator is provided. The origin calibration method includes steps of: (a) controlling the manipulator to move in accordance with a movement command, and acquiring the 3D coordinates of the reference anchor points reached by the manipulator; (b) controlling the manipulator to move in accordance with the movement command while an origin of the manipulator being offset, acquiring the 3D coordinates of the actual anchor points reached by the manipulator, and acquiring a Jacobian matrix accordingly; (c) acquiring a deviation of a rotation angle of the manipulator according to the Jacobian matrix, the 3D coordinates of the reference anchor points and the actual anchor points, and acquiring a compensation angle value according to the deviation; and (d) updating the rotation angle of the manipulator according to the compensation angle value so as to update the origin of the manipulator.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: September 5, 2023
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Chi-Huan Shao, Chi-Shun Chang
  • Patent number: 11746154
    Abstract: Antibodies, and antigen-binding fragments thereof, that specifically bind to Cluster of Differentiation 1a (CD1a) are provided. Embodiments include uses, and associated methods of using the antibodies, and antigen-binding fragments thereof.
    Type: Grant
    Filed: October 7, 2021
    Date of Patent: September 5, 2023
    Assignees: Pfizer Inc., Children's Medical Center Corporation
    Inventors: Florian Winau, Oleg V. Kovalenko, Chew Shun Chang, Di Wu, Nicholas Andrew Marze, Shian-Huey Chiang
  • Patent number: 11738462
    Abstract: A coordinate calibration method of a manipulator is provided and includes steps of: (a) controlling the manipulator to move in accordance with a movement command, and acquiring the reference anchor points reached by the manipulator; (b) acquiring a rotation matrix and a translation vector according to the reference anchor points, and acquiring a reference coordinate system accordingly; (c) when the manipulator returning to the work space after temporarily leaving, controlling the manipulator to move in accordance with the movement command, and acquiring the actual anchor points reached by the manipulator; (d) acquiring a rotation matrix and a translation vector according to the actual anchor points, acquiring a corresponding actual coordinate system accordingly, and acquiring a coordinate compensation information by comparing the rotation matrixes and the translation vectors; and (e) adjusting the manipulator according to the coordinate compensation information, and maintaining the manipulator to operate in t
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: August 29, 2023
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Chi-Huan Shao, Chi-Shun Chang
  • Publication number: 20230268423
    Abstract: A method of forming a semiconductor device includes forming a first dummy gate structure over a first region of a substrate and a second dummy gate structure over a second region of the substrate, the first region and the second region of the substrate having a first composition, the first composition having a first etch rate; implanting the first region of the substrate with dopants laterally adjacent to the first dummy gate structure, wherein after the implanting the first region, the first region has a second composition having a second etch rate, the second etch rate being different from the first etch rate; etching a first recess in the first region of the substrate having the second composition and a second recess in the second region having the first composition; and epitaxially growing a first source/drain region in the first recess and a second source/drain region in the second recess.
    Type: Application
    Filed: February 21, 2022
    Publication date: August 24, 2023
    Inventors: Tien-Shun Chang, Kuo-Ju Chen, Su-Hao Liu, Huicheng Chang, Yee-Chia Yeo
  • Publication number: 20230261055
    Abstract: A FinFET is provided including a channel region containing a constituent element and excess atoms, the constituent element belonging to a group of the periodic table of elements, wherein said excess atoms are nitrogen, or belong to said group of the periodic table of elements, and a concentration of said excess atoms in the channel region is in the range between about 1019 cm?3 and about 1020 cm?3.
    Type: Application
    Filed: April 25, 2023
    Publication date: August 17, 2023
    Inventors: Yu-Chang Lin, Tien-Shun Chang, Chun-Feng Nieh, Huicheng Chang