Patents by Inventor Chi Tang

Chi Tang 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: 11967112
    Abstract: Described is a method for detecting a calibration requirement for image sensors in a vehicle. The method includes detecting a ground pattern in a generated image associated with a surrounding of a vehicle. The method includes extracting at least one key point associated with the detected ground pattern, from the generated image. The method includes determining a relative motion parameter associated with the extracted at least one key point based on tracking of the extracted at least one key point over a period of time. The method further includes detecting the calibration requirement for the image sensor based on the determined relative motion parameter and generating an output signal based on the detected calibration requirement.
    Type: Grant
    Filed: September 7, 2022
    Date of Patent: April 23, 2024
    Assignee: AitronX Inc.
    Inventors: Xinlu Tang, Chi Yan, Jiangwei Li, Jie Lin
  • Publication number: 20240111136
    Abstract: An image system lens assembly includes three lens groups including five lens elements. The three lens groups are, in order from an object side to an image side: first, second and third lens groups. The five lens elements are, in order from the object side to the image side: first, second, third, fourth and fifth lens elements. A zooming process is performed by changing axial distances between the three lens groups. The image system lens assembly has a long focal length end and a short focal length end. At least one surface of at least one lens element has an inflection point in an optically effective area thereof when the image system lens assembly is at the long focal length end and the short focal length end. The second lens group is moved relative to the first lens group along an optical axis in the zooming process.
    Type: Application
    Filed: November 14, 2022
    Publication date: April 4, 2024
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Hsiang-Chi TANG, Tzu-Chieh KUO
  • Patent number: 11950382
    Abstract: A power supply is provided. The power supply includes a case, an electrical connector and a LED. The case includes a first side wall including an extension part. The extension part is extended from the first side wall toward a second side wall and has an aperture. Portion of the electrical connector is disposed in an accommodation space through an opening and includes a first base and a contacting ring. The first base is disposed in the accommodation space. The contacting ring is disposed on an exterior of the accommodation space. The LED is disposed in the aperture and includes a second base and a lens disposed on the second base. The second base and the contacting ring are located on different surfaces. The lens and portion of the second base are exposed from the opening. The other portion of the second base is covered by the contacting ring.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: April 2, 2024
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Chi-Shou Ho, Ching-Tang Chang
  • Patent number: 11942549
    Abstract: A semiconductor device and method of manufacture are provided. In embodiments a first liner is deposited to line a recess between a first semiconductor fin and a second semiconductor fin, the first liner comprising a first material. The first liner is annealed to transform the first material to a second material. A second liner is deposited to line the recess, the second liner comprising a third material. The second liner is annealed to transform the third material to a fourth material.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: March 26, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Wan-Yi Kao, Yu-Cheng Shiau, Chunyao Wang, Chih-Tang Peng, Yung-Cheng Lu, Chi On Chui
  • Publication number: 20240096285
    Abstract: A display may include an array of pixels. A pixel can include an organic light-emitting diode, up to three thin-film transistors, and up to two capacitors. The pixel can include a drive transistor, an emission transistor, and a select transistor. The select transistor can be used to apply a reference voltage to the gate of the drive transistor during a global reset phase and during a global threshold voltage sampling phase and can also be used to apply a data voltage to the gate of the drive transistor during a data programming phase. The drive transistor can receive a power supply voltage that toggles between a low voltage during the global reset phase and a high voltage during other phases of operation. Configured and operated in this way, the pixel need not include separate dedicated anode reset and initialization transistors.
    Type: Application
    Filed: July 25, 2023
    Publication date: March 21, 2024
    Inventors: Alper Ozgurluk, Andrew Lin, Cheuk Chi Lo, Chun-Ming Tang, Shinya Ono, Chun-Yao Huang
  • Publication number: 20240078706
    Abstract: Described is a method for detecting a calibration requirement for image sensors in a vehicle. The method includes detecting a ground pattern in a generated image associated with a surrounding of a vehicle. The method includes extracting at least one key point associated with the detected ground pattern, from the generated image. The method includes determining a relative motion parameter associated with the extracted at least one key point based on tracking of the extracted at least one key point over a period of time. The method further includes detecting the calibration requirement for the image sensor based on the determined relative motion parameter and generating an output signal based on the detected calibration requirement.
    Type: Application
    Filed: September 7, 2022
    Publication date: March 7, 2024
    Inventors: Jie Lin, Chi Yan, Jiangwei Li, Xinlu Tang
  • Patent number: 11921411
    Abstract: A wavelength conversion element includes a substrate, a wavelength conversion layer and a heat dissipation member. The substrate has a supporting surface. The wavelength conversion layer is disposed on the supporting surface. The heat dissipation member is disposed on the supporting surface and is surrounded by the wavelength conversion layer. The heat dissipation member has a heat dissipation plate and a plurality of heat dissipation tooth portions. The heat dissipation plate is fixed on the supporting surface. The heat dissipation plate has an outer side surface. The outer side surface is perpendicular to the supporting surface. The heat dissipation tooth portions are respectively connected to the outer side surface. A projection device including the wavelength conversion element is also provided. The wavelength conversion element can improve wavelength conversion efficiency and reliability, and the projection device can improve image brightness and service life.
    Type: Grant
    Filed: April 1, 2022
    Date of Patent: March 5, 2024
    Assignee: Coretronic Corporation
    Inventors: I-Hua Chen, Chi-Tang Hsieh
  • Publication number: 20240067740
    Abstract: The present disclosure provides antibodies and antibody fragments thereof that bind to human TNFR2. The disclosed antibodies, inhibit the TNF-TNFR2 signaling axis and enhance cytokine secretion in T effector cells and are therefore useful for the treatment of cancer, either alone or in combination with other agents.
    Type: Application
    Filed: December 30, 2021
    Publication date: February 29, 2024
    Inventors: Yi PEI, Haichun HUANG, Ming LEI, Han LI, Chi Shing SUM, Alla PRITSKER, Bor-Ruei LIN, Fangqiang TANG
  • Publication number: 20240061150
    Abstract: An optical lens assembly includes at least one optical element. At least one of the at least one optical element includes a multi-layer coating membrane, and the multi-layer coating membrane is formed by alternately stacking high refractive index layers and low refractive index layers. The multi-layer coating membrane is a dual-bandpass filtering membrane.
    Type: Application
    Filed: October 27, 2023
    Publication date: February 22, 2024
    Inventors: Wen-Yu TSAI, Hsiang-Chi TANG, Yu Jie HONG, Chun-Hung TENG
  • Patent number: 11906710
    Abstract: An image capturing optical lens system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, and a sixth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element has refractive power. The third lens element with refractive power has a concave image-side surface. The fourth lens element has refractive power, and at least one surface thereof is aspheric. The fifth lens element with negative refractive power has a concave object-side surface and a convex image-side surface, and the surfaces thereof are aspheric. The sixth lens element with refractive power has a convex object-side surface, and an image-side surface changing from concave at a paraxial region thereof to convex at a peripheral region thereof, and the surfaces are aspheric.
    Type: Grant
    Filed: December 30, 2022
    Date of Patent: February 20, 2024
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Hsiang-Chi Tang, Tsung-Han Tsai, Hsin-Hsuan Huang
  • Publication number: 20240053588
    Abstract: A folded optical system includes an optical folding assembly and lens elements. The optical folding assembly has a first transmissive surface, a first reflective surface, a second reflective surface substantially the same interface as the first transmissive surface, a third reflective surface and a second transmissive surface sequentially along an optical path. The optical path reaches the first reflective surface via the first transmissive surface along a first optical axis to be sequentially redirected to a second optical axis, a third optical axis, and a fourth optical axis respectively by the first reflective surface, the second reflective surface, and the third reflective surface and reaches an image surface via the second transmissive surface. The lens elements at least include a first lens element located on the first optical axis. The first lens element with positive refractive power has a light incident surface being convex in a paraxial region thereof.
    Type: Application
    Filed: September 19, 2022
    Publication date: February 15, 2024
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Hsiang-Chi TANG, I-Hsuan CHEN, Hsin-Hsuan HUANG
  • Patent number: 11899350
    Abstract: A wavelength conversion module including a wavelength conversion wheel, a driver, and a weight member is provided. The wavelength conversion wheel includes a rotating plate, and the rotating plate has a first side and a second side opposite to each other. The driver is connected to the first side of the rotating plate, and drives the rotating plate to rotate around a rotation shaft of the driver as an axis. The weight member is attached to the second side of the rotating plate and rotates synchronously with the rotating plate. The rotating plate comprises a heat insulation region and a heat dissipation region. The heat insulation region and the heat dissipation region do not overlap each other. The heat insulation region comprises a first heat insulation region located at the first side and a second heat insulation region located at the second side.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: February 13, 2024
    Assignee: Coretronic Corporation
    Inventors: Pi-Tsung Hsu, Chi-Tang Hsieh
  • Publication number: 20240045176
    Abstract: An optical imaging system includes, in order from an object side to an image side: a first lens element having positive refractive power, a second lens element having negative refractive power, a third lens element, a fourth lens element, a fifth lens element having both an object-side surface and an image-side surface being aspheric, and a sixth lens element having both an object-side surface and an image-side surface being aspheric, wherein the optical imaging system has a total of six lens elements; at least one lens element among the first lens element, the second lens element, the third lens element, the fourth lens element, the fifth lens element, and the sixth lens element has at least one inflection point.
    Type: Application
    Filed: September 12, 2023
    Publication date: February 8, 2024
    Inventors: Hsiang-Chi Tang, Hsin-Hsuan Hunag
  • Patent number: 11886102
    Abstract: An illumination system, configured to provide an illumination beam, is provided. The illumination system includes a first excitation light source, a wavelength conversion element, and a controller. The first excitation light source is configured to provide a first excitation beam. The wavelength conversion element is located on a transmission path of the first excitation beam. The wavelength conversion element includes multiple wavelength conversion regions and multiple non-wavelength conversion regions. The controller controls whether the first excitation light source emits light. During a first time interval, the controller turns off the first excitation light source. During a second time interval, the controller controls the first excitation light source to emit light. The first excitation beam is transmitted to one of the wavelength conversion regions to form a converted beam. The illumination beam includes the converted beam. Another illumination system and multiple projection devices are also provided.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: January 30, 2024
    Assignee: Coretronic Corporation
    Inventors: Chi-Tang Hsieh, Chih-Hsien Tsai, Mei-Chun Shih, Wei-Chen Hsiao, Shun-Tai Chen
  • Publication number: 20240027880
    Abstract: An imaging lens assembly module has an optical axis, and includes a lens barrel and an optical element set. The lens barrel includes an object-side portion, a tubular portion and a tip-end minimal aperture. The object-side portion includes a first assembling surface. The tubular portion includes a plurality of second assembling surfaces. The optical element set includes at least one light blocking sheet and at least one optical lens element. The light blocking sheet includes an object-side surface, an image-side surface and an inner opening surface. The optical lens element includes an optical effective portion and a peripheral portion. The object-side portion of the lens barrel includes a first reversing inclined surface gradually enlarged from the tip-end minimal aperture to the image side of the lens barrel, and the first reversing inclined surface is not contacted with the optical element set.
    Type: Application
    Filed: October 3, 2023
    Publication date: January 25, 2024
    Inventors: Kuan-Ming CHEN, Hsiang-Chi TANG, Lin-An CHANG, Cheng-Chen LIN, Ming-Ta CHOU
  • Patent number: 11860527
    Abstract: An illumination system including an excitation light source array, a multi-region dichroic device, a color sequence generator, and a wavelength converter is provided. The excitation light source array emits excitation light beams. The multi-region dichroic device has first dichroic regions and non-dichroic regions that are alternately arranged in stripe shapes. The first dichroic regions are respectively disposed on transmission paths of the excitation light beams. The excitation light beams from the excitation light source array are transmitted to the color sequence generator through the first dichroic regions of the multi-region dichroic device, and at least one second dichroic region of the color sequence generator respectively reflects the excitation light beams to the non-dichroic regions of the multi-region dichroic device. The excitation light beams from the color sequence generator are transmitted to the wavelength converter through the non-dichroic regions of the multi-region dichroic device.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: January 2, 2024
    Assignee: Coretronic Corporation
    Inventors: Haw-Woei Pan, Jo-Han Hsu, Kuan-Ta Huang, Chi-Tang Hsieh
  • Patent number: 11856378
    Abstract: A system with sound adjustment capability is provided. The system includes a head-mounted device, a first loudspeaker and a processor. The first loudspeaker is detachable from the head-mounted device. The processor is configured to detect a plurality of positions and a plurality of orientations of the head-mounted device and the first loudspeaker to determine whether the first loudspeaker is detached from the head-mounted device. The processor is further configured to modify a first audio signal by at least one first filter or at least one second filter to generate a filtered first audio signal. The at least one first filter is used when the first loudspeaker is coupled to the head-mounted device, and the at least one second filter is used when the first loudspeaker is detached from the head-mounted device. The filtered first audio signal is configured to drive the first loudspeaker.
    Type: Grant
    Filed: November 26, 2021
    Date of Patent: December 26, 2023
    Assignee: HTC Corporation
    Inventors: Chun-Min Liao, Tsung-Yu Tsai, Chi-Tang Ho
  • Patent number: 11841496
    Abstract: An optical processing turntable, a wavelength conversion module, and a projection apparatus are provided. The optical processing turntable includes a substrate and a driver assembly. The substrate has a fixing hole and a first side and a second side opposite to each other. The driver assembly passes through the fixing hole to be disposed on the substrate to drive the substrate to rotate. The driver assembly has two locking surfaces, where the two locking surfaces are respectively located on the first side and the second side of the substrate. In the projection apparatus using the optical processing turntable provided by the invention, noise generated by structural vibration may be effectively reduced, and a prolonged service life is provided.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: December 12, 2023
    Assignee: Coretronic Corporation
    Inventors: Pi-Tsung Hsu, Chi-Tang Hsieh
  • Publication number: 20230390882
    Abstract: Disclosed are a chemical mechanical polishing apparatus, a control method for the chemical mechanical polishing apparatus and a chemical mechanical polishing system. In one embodiment, the chemical mechanical polishing apparatus includes a polishing pad, a sensor, a polishing head and a conditioner. The sensor is configured to obtain surface roughness of the polishing pad. The polishing head is located above the polishing pad and configured to polish a wafer which is push against the polishing pad. The conditioner is located on the polishing pad and configured to recondition the polishing pad, wherein the conditioner is operated according to at least one polishing condition, and the polishing condition is tuned according to the surface roughness of the polishing pad.
    Type: Application
    Filed: June 6, 2022
    Publication date: December 7, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Te-Chien Hou, Wen-Pin Liao, Chen-Chi Tang, Shich-Chang Suen, Kei-Wei Chen
  • Patent number: 11835466
    Abstract: A process operable using a computerized system (300) grades the clarity of a diamond (315, 400) as a function of internal defects within its body (315, 400). The computerized system (300) includes an optical image acquisition device (310), a processor module (320) and an output module (340) operably interconnected together. The process includes the steps of (i) acquiring via an optical image acquisition device (310) a plurality of top view images of a diamond (315, 400); (ii) in a processor module (320), detecting defects within the body of the diamond (315, 400); and (iii) from an output module (340), providing a signal indicative of the clarity grade assigned in (ii).
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: December 5, 2023
    Assignee: Goldway Technology Limited
    Inventors: Ka Wing Cheng, Kin Wing Wong, Kong Chan, Juan Cheng, Wing Chi Tang, Koon Chung Hui