Patents by Inventor An-Sheng Chang

An-Sheng 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: 11978664
    Abstract: A method includes forming a first conductive feature over a semiconductor substrate, forming an ILD layer over the first conductive feature, patterning the ILD layer to form a trench, and forming a conductive layer over the patterned ILD layer to fill the trench. The method further includes polishing the conductive layer to form a via contact configured to interconnect the first conductive feature with a second conductive feature, where polishing the conductive layer exposes a top surface of the ILD layer, polishing the exposed top surface of the ILD layer, such that a top portion of the via contact protrudes from the exposed top surface of the ILD layer, and forming the second conductive feature over the via contact, such that the top portion of the via contact extends into the second conductive feature.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: May 7, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Pang-Sheng Chang, Chao-Hsun Wang, Kuo-Yi Chao, Fu-Kai Yang, Mei-Yun Wang, Li-Chieh Wu, Chun-Wei Hsu
  • Patent number: 11978674
    Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a first source/drain epitaxial feature formed over a substrate, a second source/drain epitaxial feature formed over the substrate, two or more semiconductor layers disposed between the first source/drain epitaxial feature and the second source/drain epitaxial feature, a gate electrode layer surrounding a portion of one of the two or more semiconductor layers, a first dielectric region disposed in the substrate and in contact with a first side of the first source/drain epitaxial feature, and a second dielectric region disposed in the substrate and in contact with a first side of the second source/drain epitaxial feature, the second dielectric region being separated from the first dielectric region by a substrate.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: May 7, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: I-Ming Chang, Jung-Hung Chang, Chung-Liang Cheng, Hsiang-Pi Chang, Yao-Sheng Huang, Huang-Lin Chao
  • Patent number: 11978509
    Abstract: A memory device includes a plurality of resistive random access memory (RRAM) cells commonly connected between a bit line (BL) and a source line (SL). Each of the RRAM cells includes a resistor, a first transistor, and a second transistor coupled to each other in series, with the resistor connected to the BL and the second transistor connected to the SL. The first transistor has a first threshold voltage, and the second transistor has a second threshold voltage, the first threshold voltage being less than the second threshold voltage.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: May 7, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Meng-Sheng Chang, Chia-En Huang, Yih Wang
  • Publication number: 20240147711
    Abstract: The present disclosure provides a memory device, a semiconductor device, and a method of operating a memory device. A memory device includes a memory cell, a bit line, a word line, a select transistor, a fuse element, and a heater. The bit line is connected to the memory cell. The word line is connected to the memory cell. The select transistor is disposed in the memory cell. A gate of the select transistor is connected to the word line. The fuse element is disposed in the memory cell. The fuse element is connected to the bit line and the select transistor. The heater is configured to heat the fuse element.
    Type: Application
    Filed: January 4, 2024
    Publication date: May 2, 2024
    Inventors: PERNG-FEI YUH, YIH WANG, MENG-SHENG CHANG, JUI-CHE TSAI, KU-FENG LIN, YU-WEI LIN, KEH-JENG CHANG, CHANSYUN DAVID YANG, SHAO-TING WU, SHAO-YU CHOU, PHILEX MING-YAN FAN, YOSHITAKA YAMAUCHI, TZU-HSIEN YANG
  • Publication number: 20240147606
    Abstract: An electronic device includes a first substrate structure, multiple electronic elements and a second substrate structure. The first substrate structure includes a first substrate. The electronic elements are disposed on the first substrate. The second substrate structure is coupled to the first substrate structure. The second substrate structure includes a second substrate, a protection circuit, a driving circuit and a bonding pad. The protection circuit is disposed on the second substrate. The driving circuit is disposed on the second substrate and configured to drive at least a part of the electronic elements. The bonding pad is disposed on the second substrate. The protection circuit is respectively coupled to the bonding pad and the driving circuit. The electronic device may reduce the damage caused by electrostatic discharge or reduce the impact of the bonding process of the bonding pad on signal conduction.
    Type: Application
    Filed: September 14, 2023
    Publication date: May 2, 2024
    Applicant: Innolux Corporation
    Inventors: Mu-Fan Chang, Yi-Hua Hsu, Hung-Sheng Liao, Min-Hsin Lo, Ming-Chun Tseng, Ker-Yih Kao
  • Publication number: 20240147734
    Abstract: Various embodiments of the present disclosure are directed towards an integrated chip including a memory cell overlying a substrate and comprising a top electrode. A sidewall spacer structure is disposed along sidewalls of the memory cell. The sidewall spacer structure comprises a first spacer layer on the memory cell, a second spacer layer around the first spacer layer, and a third spacer layer around the second spacer layer. The second spacer layer comprises a lateral segment adjacent to a vertical segment. The lateral segment abuts the top electrode and has a top surface aligned with or disposed below a top surface of the top electrode. A first conductive structure overlies the memory cell and contacts the lateral segment and the top electrode.
    Type: Application
    Filed: January 10, 2024
    Publication date: May 2, 2024
    Inventors: Harry-Hak-Lay Chuang, Hung Cho Wang, Sheng-Chang Chen, Sheng-Huang Huang
  • Publication number: 20240140765
    Abstract: An overhead hoist transfer apparatus includes a rail assembly including a straight rail having an empty section, and a curved rail having a curved empty section; an engine including a first LSD having first and second wheels at two sides respectively; and a second LSD having third and fourth wheels at two sides respectively; a moving carriage driven by the engine and suspended from the rail assembly; first and second guide wheels disposed on the first LSD; third and fourth guide wheels disposed on the second LSD; and two guide boards disposed above a joining point of the straight rail and the curved rail. An elevation of the guide boards is equal to that of the guide wheels. The guide board includes a straight edge and a curved edge.
    Type: Application
    Filed: September 27, 2023
    Publication date: May 2, 2024
    Inventors: Jung-Chieh Chang, Yi-Sheng Chen, Jen-Yung Hsiao, Chia-Fu Hsiao, Wei-Qi Lao, Chen-Chih Chan, Caung-Yu Liu
  • Publication number: 20240145555
    Abstract: Semiconductor structures and processes are provided. A semiconductor structure of the present disclosure includes a first base portion and a second base portion extending lengthwise along a first direction, a first source/drain feature disposed over the first base portion, a second source/drain feature disposed over the second base portion, a center dielectric fin sandwiched between the first source/drain feature and the second source/drain feature along a second direction perpendicular to the first direction, and a source/drain contact disposed over the first source/drain feature, the second source/drain feature and the center dielectric fin. A portion of the source/drain contact extends between the first source/drain feature and the second source/drain feature along the second direction.
    Type: Application
    Filed: January 10, 2023
    Publication date: May 2, 2024
    Inventors: Ming-Heng Tsai, Chih-Hao Chang, Chun-Sheng Liang, Ta-Chun Lin
  • Publication number: 20240139935
    Abstract: A three-dimensional measuring device includes a ball-shaped structure, an X-axis measuring module, a Y-axis measuring module and a Z-axis measuring module. The ball-shaped structure is moved and/or rotated in response to a movement of a movable object. The X-axis measuring module includes a first measuring structure and a first position sensor. The first measuring structure is movable along an X-axis direction and contacted with the ball-shaped structure. The Y-axis measuring module includes a second measuring structure and a second position sensor. The second measuring structure is movable along a Y-axis direction and contacted with the ball-shaped structure. The Z-axis measuring module includes a third measuring structure and a third position sensor. The third measuring structure is movable along a Z-axis direction and contacted with the ball-shaped structure.
    Type: Application
    Filed: January 8, 2024
    Publication date: May 2, 2024
    Inventors: Chi-Huan Shao, Chih-Ming Hsu, Chi-Shun Chang, Hung-Sheng Chang
  • Publication number: 20240146305
    Abstract: The present disclosure includes a voltage provision circuit. In one aspect of the present disclosure, a voltage provision circuit is disclosed. The voltage provision circuit includes a first NMOS transistor gated with a first control signal and sourced with a ground voltage. The voltage provision circuit includes a second NMOS transistor gated with a second control signal complementary to the first control signal and sourced with the ground voltage. The voltage provision circuit includes a first PMOS transistor sourced with a first supply voltage. The voltage provision circuit includes a second PMOS transistor sourced with the first supply voltage. The voltage provision circuit includes a voltage modulation circuit, coupled between the first to second PMOS transistors and the first to second NMOS transistors, that is configured to provide a first intermediate signal based on the first and second control signals.
    Type: Application
    Filed: February 16, 2023
    Publication date: May 2, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ting-Yu Yu, Meng-Sheng Chang, Shao-Yu Chou
  • Publication number: 20240139142
    Abstract: Provided is a method for preventing or treating a liver disease, including administering a therapeutically effective amount of pharmaceutical composition to a subject in need, and the pharmaceutical composition includes the isothiocyanate structural modified compound and a pharmaceutically acceptable carrier thereof.
    Type: Application
    Filed: September 14, 2023
    Publication date: May 2, 2024
    Applicants: TAIPEI VETERANS GENERAL HOSPITAL, NATIONAL YANG MING CHIAO TUNG UNIVERSITY, PHARMAESSENTIA CORPORATION
    Inventors: Jaw-Ching WU, Yung-Sheng CHANG, Kuo-Hsi KAO, Chan-Kou HWANG, Ko-Chung LIN
  • Patent number: 11973052
    Abstract: An electronic device includes a bond wire with a first end bonded by a ball bond to a planar side of a first conductive plate, and a second end bonded by a stitch bond to a conductive stud bump at an angle greater than or equal to 60 degrees. A wirebonding method includes bonding the first end of the conductive bond wire to the first conductive plate includes forming a ball bond to join the first end of the conductive bond wire to a planar side of the first conductive plate by a ball bond, and bonding the second end of the conductive bond wire to the conductive stud bump includes forming a stitch bond to join the second end of the conductive bond wire to the conductive stud bump.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: April 30, 2024
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Chien-Chang Li, Hung-Yu Chou, Sheng-Wen Huang, Zi-Xian Zhan, Byron Lovell Williams
  • Patent number: 11971844
    Abstract: A chiplet system and a positioning method thereof are provided. The positioning method of the chiplet system includes the following steps. Two end chiplets and a plurality of middle chiplets are classified. A quantity calculation packet is transmitted and accumulated from each of the end chiplets towards another end to analyze a quantity of middle chiplets. A serial number comparison packet is transmitted and accumulated from each of the middle chiplets connected to one of the end chiplets towards another end to set a starting point. An identify number setting packet is transmitted and accumulated from the middle chiplet set as the starting point towards another end to set a positioning number of each of the middle chiplets.
    Type: Grant
    Filed: November 29, 2022
    Date of Patent: April 30, 2024
    Assignee: SUNPLUS TECHNOLOGY CO., LTD.
    Inventors: Hsing-Sheng Huang, Hao-Chang Chang, Ming-Chang Su, Hwan-Rei Lee
  • Publication number: 20240135745
    Abstract: An electronic device has a narrow viewing angle state and a wide viewing angle state, and includes a panel and a light source providing a light passing through the panel. In the narrow viewing angle state, the light has a first relative light intensity and a second relative light intensity. The first relative light intensity is the strongest light intensity, the second relative light intensity is 50% of the strongest light intensity, the first relative light intensity corresponds to an angle of 0°, the second relative light intensity corresponds to a half-value angle, and the half-value angle is between ?15° and 15°. In the narrow angle state, a third relative light intensity at each angle between 20° and 60° or each angle between ?20° and ?60° is lower than 20% of the strongest light intensity.
    Type: Application
    Filed: January 3, 2024
    Publication date: April 25, 2024
    Applicant: InnnoLux Corporation
    Inventors: Kuei-Sheng Chang, Po-Yang Chen, Kuo-Jung Wu, I-An Yao, Wei-Cheng Lee, Hsien-Wen Huang
  • Publication number: 20240134470
    Abstract: An electronic device includes a first insulating layer, a first conductive portion, a second conductive portion, a transistor, and an electronic unit. The first insulating layer has a first opening penetrating the first insulating layer along a first direction. The first conductive portion is disposed in the first opening. The second conductive portion is electrically connected to the first conductive portion. The transistor is electrically connected to the second conductive portion. The electronic unit is electrically connected to the first conductive portion. In a cross-sectional view of the electronic device, the electronic unit and the second conductive portion are disposed on two opposite sides of the first insulating layer respectively, the first conductive portion has a first length along a second direction perpendicular to the first direction, the second conductive portion has a second length along the second direction, and the first length is different from the second length.
    Type: Application
    Filed: January 4, 2024
    Publication date: April 25, 2024
    Applicant: InnoLux Corporation
    Inventors: Po-Yang Chen, Hsing-Yuan Hsu, Tzu-Min Yan, Chun-Hsien Lin, Kuei-Sheng Chang
  • Publication number: 20240136420
    Abstract: A thin film transistor includes a substrate, a semiconductor layer, a gate insulating layer, a gate, a source and a drain. The semiconductor layer is located above the substrate. The gate insulating layer is located above the semiconductor layer. The gate is located above the gate insulating layer and overlapping with the semiconductor layer. The gate includes a first portion, a second portion and a third portion. The first portion is extending along the surface of the gate insulating layer and directly in contact with the gate insulating layer. The second portion is separated from the gate insulating layer. Taking the surface of the gate insulating layer as a reference, the top surface of the second portion is higher than the top surface of the first portion. The third portion connects the first portion to the second portion. The source and the drain are electrically connected to the semiconductor layer.
    Type: Application
    Filed: December 1, 2022
    Publication date: April 25, 2024
    Applicant: AUO Corporation
    Inventors: Kuo-Jui Chang, Wen-Tai Chen, Chi-Sheng Chiang, Yu-Chuan Liao, Chien-Sen Weng, Ming-Wei Sun
  • Publication number: 20240136316
    Abstract: A semiconductor package includes a conductive pillar and a solder. The conductive pillar has a first sidewall and a second sidewall opposite to the first sidewall, wherein a height of the first sidewall is greater than a height of the second sidewall. The solder is disposed on and in direct contact with the conductive pillar, wherein the solder is hanging over the first sidewall and the second sidewall of conductive pillar.
    Type: Application
    Filed: January 2, 2024
    Publication date: April 25, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chiang-Jui Chu, Ching-Wen Hsiao, Hao-Chun Liu, Ming-Da Cheng, Young-Hwa Wu, Tao-Sheng Chang
  • Patent number: 11966133
    Abstract: An electronic device is disclosed. The electronic device includes a substrate, a plurality of color filters disposed on the substrate, an optical film disposed on the plurality of color filter, and a defect disposed between the substrate and the optical film. The optical film has a first base, a protective layer on the first base, and a second base between the first base and the protective layer and having a first processed area. In a top view of the electronic device, the first processed area corresponds to the defect and at least partially overlaps at least two color filters.
    Type: Grant
    Filed: May 18, 2023
    Date of Patent: April 23, 2024
    Assignee: INNOLUX CORPORATION
    Inventors: Tai-Chi Pan, Chin-Lung Ting, I-Chang Liang, Chih-Chiang Chang Chien, Po-Wen Lin, Kuang-Ming Fan, Sheng-Nan Chen
  • Patent number: 11967357
    Abstract: A memory unit with time domain edge delay accumulation for computing-in-memory applications is controlled by a first word line and a second word line. The memory unit includes at least one memory cell, at least one edge-delay cell multiplexor and at least one edge-delay cell. The at least one edge-delay cell includes a weight reader and a driver. The weight reader is configured to receive a weight and a multi-bit analog input voltage and generate a multi-bit voltage according to the weight and the multi-bit analog input voltage. The driver is connected to the weight reader and configured to receive an edge-input signal. The driver is configured to generate an edge-output signal having a delay time according to the edge-input signal and the multi-bit voltage. The delay time of the edge-output signal is positively correlated with the multi-bit analog input voltage multiplied by the weight.
    Type: Grant
    Filed: January 21, 2022
    Date of Patent: April 23, 2024
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventors: Meng-Fan Chang, Ping-Chun Wu, Li-Yang Hong, Jin-Sheng Ren, Jian-Wei Su
  • Publication number: 20240127109
    Abstract: A federated learning method includes: providing importance parameters and performance parameters by client devices respectively to a central device, performing a training procedure by the central device, wherein the training procedure includes: selecting target devices from the client devices according to a priority order associated with the importance parameters, dividing the target devices into training groups according to a similarity of the performance parameters, notifying the target devices to perform iterations according to the training groups respectively to generate trained models, transmitting the trained models to the central device, and updating a global model based on the trained models, performing the training procedure again or outputting the global model to the client devices based on a convergence value of the global model and the number of times of performing the training procedure.
    Type: Application
    Filed: November 10, 2022
    Publication date: April 18, 2024
    Applicant: INSTITUTE FOR INFORMATION INDUSTRY
    Inventors: Ping Feng WANG, Chiun Sheng HSU, Chi-Yuan CHOU, Fu-Chiang CHANG