Patents by Inventor Yen Chang

Yen 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: 11848300
    Abstract: A semiconductor structure includes a semiconductor wafer, a first surface mount component, a second surface mount component and a first barrier structure. The first surface mount component is disposed on the semiconductor wafer, and electrically connected to the semiconductor wafer through a plurality of first electrical connectors. The second surface mount component is disposed on the semiconductor wafer, and electrically connected to the semiconductor wafer through a plurality of second electrical connectors, wherein an edge of the second surface mount component is overhanging a periphery of the semiconductor wafer. The first barrier structure is disposed on the semiconductor wafer in between the second electrical connectors and the edge of the second surface mount component, wherein a first surface of the first barrier structure is facing the second electrical connectors, and a second surface of the first barrier structure is facing away from the second electrical connectors.
    Type: Grant
    Filed: July 3, 2022
    Date of Patent: December 19, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Mao-Yen Chang, Chih-Wei Lin, Hao-Yi Tsai, Kuo-Lung Pan, Chun-Cheng Lin, Tin-Hao Kuo, Yu-Chia Lai, Chih-Hsuan Tai
  • Publication number: 20230390900
    Abstract: A spark plug wrench is provided, including: a tubular body, including a working portion configured to be connected with a driving tool and a driving portion including a connection hole, the working portion including an assembling hole in communication with the connection hole; a socket base, disposed in the assembling hole, including a large diameter section radially abutted within the assembling hole, a small diameter section, a receiving hole configured for insertion of a spark plug, and receiving portions; and a plurality of positioning units, each of the plurality of positioning units including an elastic member and a positioning member, the elastic member and the positioning member being received in the receiving portion, the elastic member urging the positioning member so that the positioning member at least partially projects within the receiving hole for being engaged within a grooved portion of the spark plug.
    Type: Application
    Filed: June 3, 2022
    Publication date: December 7, 2023
    Inventor: PO-YEN CHANG
  • Publication number: 20230389492
    Abstract: The present invention generally relates to a hydroponic culture medium and a hydroponic planting system, more particularly to a Houttuynia cordata hydroponic culture medium, a Houttuynia cordata hydroponic planting system, Houttuynia cordata extracts, a method, and applications thereof.
    Type: Application
    Filed: March 14, 2023
    Publication date: December 7, 2023
    Inventors: FANG-RONG CHANG, WEI-HUNG WU, YI-HONG TSAI, CHUNG-HSIEN CHEN, YEN-CHI LOO, HSUEH-ER CHEN, YEN-CHANG CHEN, HUI-PING HSIEH, CHEN HSIEH
  • Publication number: 20230393598
    Abstract: A voltage regulation circuit includes a voltage regulator that is configured to provide a stable output voltage based on an input voltage; and a control circuit, coupled to the voltage regulator, and configured to provide an injection current to maintain the stable output voltage in response to an enable signal provided at an input of the control circuit transitioning to a predetermined state and cease providing the injection current when the control circuit detects that a voltage level of the output voltage is higher than a pre-defined voltage level.
    Type: Application
    Filed: August 10, 2023
    Publication date: December 7, 2023
    Inventors: Yen-An CHANG, Chia-Fu Lee, Yu-Der Chih, Yi-Chun Shih
  • Publication number: 20230386834
    Abstract: A semiconductor process system includes an ion source configured to bombard with a photoresist structure on a wafer. The semiconductor process system reduces a width of the photoresist structure by bombarding the photoresist structure with ions in multiple distinct ion bombardment steps having different characteristics.
    Type: Application
    Filed: August 10, 2023
    Publication date: November 30, 2023
    Inventors: Chih-Kai YANG, Yu-Tien SHEN, Hsiang-Ming CHANG, Chun-Yen CHANG, Ya-Hui CHANG, Wei-Ting CHIEN, Chia-Cheng CHEN, Liang-Yin CHEN
  • Publication number: 20230387039
    Abstract: A semiconductor package includes a first package component comprising: an integrated circuit die; an encapsulant surrounding the integrated circuit die; and a fan-out structure electrically connected to the integrated circuit die, wherein a first opening extends completely through the fan-out structure and at least partially through the encapsulant in a cross-sectional view, and wherein the encapsulant at least completely surrounds the first opening in a top-down view. The semiconductor package further includes a package substrate bonded to the first package component.
    Type: Application
    Filed: August 4, 2022
    Publication date: November 30, 2023
    Inventors: Sung-Yueh Wu, Jen-Chun Liao, Mao-Yen Chang, Yu-Chia Lai, Chien Ling Hwang, Ching-Hua Hsieh
  • Publication number: 20230375419
    Abstract: There is provided a force sensor including a substrate and a polymer material layer. The substrate has a circuit layout that includes a first electrode and a second electrode configured to form a capacitor therebetween. The polymer material layer covers at least on a space between the first electrode and the second electrode, and is used to change capacitance of the capacitor while being pressed. The force sensor is arranged inside a stem of an earphone for detecting the user input.
    Type: Application
    Filed: August 4, 2023
    Publication date: November 23, 2023
    Inventors: YEN-PO CHEN, HAO-CHE LIU, YEN-CHANG CHU, CHIH-MING SUN
  • Publication number: 20230369516
    Abstract: A device and method for fabricating the same is disclosed. For example, the device includes a sensor having a front side and a back side, a metal interconnect layer formed on the front side of the sensor, an anti-reflective coating formed on the back side of the sensor, a composite etch stop mask layer formed on the anti-reflective coating. wherein the composite etch stop mask layer includes a silicon nitride layer and a stressed layer. A percentage of Si—H bonds in the silicon nitride layer is greater than a percentage of Si—H bonds in the stressed layer.
    Type: Application
    Filed: July 18, 2023
    Publication date: November 16, 2023
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Cheng-Han LIN, Chao-Ching CHANG, Yi-Ming LIN, Yen-Ting CHOU, Yen-Chang CHEN, Sheng-Chan LI, Cheng-Hsien CHOU
  • Patent number: 11812166
    Abstract: A display system includes a camera, a processor and a display. The camera is configured to shoot a first image and a second image in order. The processor is configured to generate a third image when a difference between the first image and the second image is larger than or equal to a preset difference value. The display is configured to display the first image and the third image in order when the difference is larger than or equal to the preset difference value. A display method and an image capture device are also disclosed herein.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: November 7, 2023
    Assignee: AVer Information Inc.
    Inventors: Cheng-Wei Huang, Han-Yen Chang
  • Publication number: 20230350279
    Abstract: An operation method of a detachable camera, wherein the detachable camera includes a camera body, a camera holder, a driving element and a control circuit, the driving element is controlled by the driving element to control the camera holder, and the operation method, performed by the control circuit, includes: triggered by a trigger signal to determine whether the camera body is on the camera holder, setting a driving current of the driving element as a first current if the camera body is on the camera holder, and setting the driving current of the driving element as a second current if the camera body is not on the camera holder, wherein the second current is lower than the first current.
    Type: Application
    Filed: April 27, 2023
    Publication date: November 2, 2023
    Applicant: AVER INFORMATION INC.
    Inventors: Chao-Hung CHANG, Cheng Cheng YU, Han-Yen CHANG
  • Patent number: 11804961
    Abstract: A computer network includes a camera node, a network access node, a verification node, and a display node. Video content recorded by a camera at the camera node is transmitted to the display node and to the verification node for verification. The video content is verified at the display node and at the verification node. Recording metadata of the video content is stored in a distributed ledger and retrieved by the display node to verify the video content. The verification node receives, from the network access node, verification data for verifying the video content.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: October 31, 2023
    Assignee: Trend Micro Incorporated
    Inventors: Jonathan James Oliver, Chia-Yen Chang, Wen-Kwang Tsao, Ping Huan Wu, Federico Maggi, Jiri Gogela, Fyodor Yarochkin
  • Patent number: 11797034
    Abstract: A voltage regulation circuit includes a voltage regulator that is configured to provide a stable output voltage based on an input voltage; and a control circuit, coupled to the voltage regulator, and configured to provide an injection current to maintain the stable output voltage in response to an enable signal provided at an input of the control circuit transitioning to a predetermined state and cease providing the injection current when the control circuit detects that a voltage level of the output voltage is higher than a pre-defined voltage level.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: October 24, 2023
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Yen-An Chang, Chia-Fu Lee, Yu-Der Chih, Yi-Chun Shih
  • Publication number: 20230333582
    Abstract: A power regulation system including a reference generator, a temperature compensation circuit coupled to the reference generator, and a low-dropout (LDO) regulator circuit coupled to the temperature compensation circuit, wherein the temperature compensation circuit provides a reference voltage to the LDO regulator circuit at least based on a ratio of a first current and a second current.
    Type: Application
    Filed: June 21, 2023
    Publication date: October 19, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Yen-An CHANG, Chieh-Pu LO, Yi-Chun SHIH, Chia-Fu LEE, Yu-Der CHIH
  • Publication number: 20230335523
    Abstract: A semiconductor package includes a substrate, a semiconductor device over the substrate and a plurality of solder joint structures bonded between the semiconductor device and the substrate, wherein each of the plurality of solder joint structures includes, by weight percent, 2% to 23% of Indium (In).
    Type: Application
    Filed: April 13, 2022
    Publication date: October 19, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jen-Jui Yu, Chih-Chiang Tsao, Hsuan-Ting Kuo, Mao-Yen Chang, Hsiu-Jen Lin, Ching-Hua Hsieh, Hao-Jan Pei
  • Publication number: 20230333305
    Abstract: A light guide plate, a backlight module and a display device are provided. The light guide plate includes a main body and an optical layer. The main body has a light-incident surface, a side surface and an optical surface. The light-incident surface and the side surface are respectively connected to the optical surface. The optical layer is correspondingly disposed on the side surface of the main body. In a reflectance characteristic of the optical layer, a total reflectance of the reflectance characteristic is composed of the diffuse reflectance and the parallel reflectance. The percentage value of the parallel reflectance to the total reflectance is less than 45 and larger than 25, including the end point.
    Type: Application
    Filed: June 26, 2023
    Publication date: October 19, 2023
    Inventors: I-Wen FANG, Chia-Ying CHEN, Yen-Chang LEE, Chun-Hsien LI
  • Patent number: 11776810
    Abstract: A method for forming a semiconductor device is provided. In some embodiments, the method includes forming a target layer over a semiconductor substrate, forming a carbon-rich hard masking layer over the target layer, patterning features in the carbon-rich hard masking layer using an etching process, performing a directional ion beam trimming process on the features patterned in the carbon-rich hard masking layer, and patterning the target layer using the carbon-rich hard masking layer as a mask.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: October 3, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chia-Cheng Chen, Chun-Hung Wu, Liang-Yin Chen, Huicheng Chang, Yee-Chia Yeo, Chun-Yen Chang, Chih-Kai Yang, Yu-Tien Shen, Ya Hui Chang
  • Publication number: 20230307497
    Abstract: A semiconductor device comprises: a SiC epitaxial layer and a first recess. The SiC epitaxial layer has: a p-type well region; a heavily doped n-type region on a surface of the p-type well region; and a heavily doped p-type region below the heavily doped n-type region and within the p-type well region. The first recess is formed in the heavily doped p-type region and the heavily doped n-type region, wherein a depth of the first recess exceeds a depth of the heavily doped n-type region.
    Type: Application
    Filed: January 18, 2023
    Publication date: September 28, 2023
    Inventors: YUAN LIANG LIU, YI CHEN LEE, YEN CHANG CHEN
  • Patent number: 11761830
    Abstract: There is provided a force sensor including a substrate and a polymer material layer. The substrate has a circuit layout that includes a first electrode and a second electrode configured to form a capacitor therebetween. The polymer material layer covers at least on a space between the first electrode and the second electrode, and is used to change capacitance of the capacitor while being pressed. The force sensor is arranged inside a stem of an earphone for detecting the user input.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: September 19, 2023
    Assignee: PIXART IMAGING INC.
    Inventors: Yen-Po Chen, Hao-Che Liu, Yen-Chang Chu, Chih-Ming Sun
  • Patent number: 11749760
    Abstract: A device and method for fabricating the same is disclosed. For example, the device includes a sensor having a front side and a back side, a metal interconnect layer formed on the front side of the sensor, an anti-reflective coating formed on the back side of the sensor, a composite etch stop mask layer formed on the anti-reflective coating wherein the composite etch stop mask layer includes a hydrogen rich layer and a compressive high density layer, and a light filter formed on the composite etch stop mask layer.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: September 5, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Cheng-Han Lin, Chao-Ching Chang, Yi-Ming Lin, Yen-Ting Chou, Yen-Chang Chen, Sheng-Chan Li, Cheng-Hsien Chou
  • Patent number: 11740504
    Abstract: A curved panel includes a first curved substrate, a second curved substrate, a curved coverlens, and an adhesive structure. The first curved substrate and the second curved substrate are overlapped with each other. First to fourth sidewalls of the first curved substrate correspond to fifth to eighth sidewalls of the second curved substrate, respectively. The first to third sidewalls of the first curved substrate extend beyond the fifth to seventh sidewalls of the second curved substrate, respectively. The second curved substrate is located between the curved coverlens and the first curved substrate. The second curved substrate is bonded to the curved coverlens through an adhesive layer. The adhesive structure is located between the first curved substrate and the curved coverlens and is laterally located between the first sidewall and the fifth sidewall, between the second sidewall and the sixth sidewall, and between the third sidewall and the seventh sidewall.
    Type: Grant
    Filed: August 10, 2022
    Date of Patent: August 29, 2023
    Assignee: AUO Corporation
    Inventors: Chun-Yu Lee, Sheng-Yuan Chiu, Yen-Chang Chen, Po-Shu Huang, Ho-Hsiang Wang