Patents by Inventor Yi-Hsiang Wang

Yi-Hsiang Wang 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: 11974371
    Abstract: A light-emitting diode LED driver and a LED driving device including the LED driver are provided. The light-emitting diode LED driver includes a decoding circuit that receives a data signal and decodes the data signal to generate display data used to drive LEDs to emit light and display and a recovered clock signal. Further provided is an encoding circuit that encodes the decoded display data by using the recovered clock signal to generate an encoded data signal, where the data signal is encoded in a first encoding format, and the encoded data signal is encoded in a second encoding format.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: April 30, 2024
    Assignee: NOVATEK MICROELECTRONICS CORP.
    Inventors: Yu-Hsiang Wang, Che-Wei Yeh, Keko-Chun Liang, Yong-Ren Fang, Yi-Chuan Liu
  • Patent number: 11963460
    Abstract: A method for manufacturing a memory device is provided. The method includes etching an opening in a first dielectric layer; forming a bottom electrode, a resistance switching element, and a top electrode in the opening in the first dielectric layer; forming a second dielectric layer over the bottom electrode, the resistance switching element, and the top electrode; and forming an electrode via connected to a top surface of the top electrode in the second dielectric layer.
    Type: Grant
    Filed: June 13, 2022
    Date of Patent: April 16, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Hsin-Hsiang Tseng, Chih-Lin Wang, Yi-Huang Wu
  • Publication number: 20240120639
    Abstract: A 3D IC package is provided. The 3D IC package includes: a first IC die comprising a first substrate at a back side of the first IC die; a second IC die stacked at the back side of the first IC die and facing the first substrate; a TSV through the first substrate and electrically connecting the first IC die and the second IC die, the TSV having a TSV cell including a TSV cell boundary surrounding the TSV; and a protection module fabricated in the first substrate, wherein the protection module is electrically connected to the TSV, and the protection module is within the TSV cell.
    Type: Application
    Filed: August 10, 2023
    Publication date: April 11, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Po-Hsiang Huang, Fong-Yuan Chang, Tsui-Ping Wang, Yi-Shin Chu
  • Publication number: 20240112874
    Abstract: A overload protection switch with a reverse restart switching structure that has a seesaw lampshade provided with a protruding block which extending downward from the outside of the seesaw lampshade to ensure that the seesaw lampshade and the moving rod are accurately positioned in the ON and OFF positions in the housing to form a three-stage switching type with bidirectional positioning and forms an overload protection switch that can continuously maintain sufficient insulation distance and does not reduce the insulation distance due to fatigue decay of the binary alloy conductive plate.
    Type: Application
    Filed: September 28, 2023
    Publication date: April 4, 2024
    Inventors: YI-HSIANG WANG, I-YING WANG
  • Patent number: 11947634
    Abstract: An image object classification method and system are disclosed. The method is executed by a processor coupled to a memory. The method includes: providing an image file including at least one image object, performing a process of extracting multiple binary-classified characteristics on the image object to obtain a plurality of first results independent of each other in categories, combining the plurality of first results in a manner of dimensionality reduction based on concatenation, performing a process of characteristics abstraction on the combined first results to obtain a second result, and performing a process of characteristics integration on the plurality of first results and the second result in a manner of dot product of matrices to obtain a classification result.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: April 2, 2024
    Assignee: Footprintku Inc.
    Inventors: Yan-Jhih Wang, Kuan-Hsiang Tseng, Jun-Qiang Wei, Shih-Feng Huang, Tzung-Pei Hong, Yi-Ting Chen
  • Publication number: 20240085491
    Abstract: A circuit for parameter PSRR measurement includes a filter, a first regulator and a second regulator. The filter may be configured for receiving an AC input signal and a DC input signal, and for outputting a combined output signal according to the AC input signal and the DC input signal. The first regulator may be configured for receiving the combined output signal, and for outputting a first output signal having a first AC component signal and a first DC component signal. The second regulator may be configured for receiving the first output signal, and for outputting a second output signal having a second AC component signal and a second DC component signal. A parameter PSRR of the second regulator may be obtained according to a ratio between the second AC component signal and the first AC component signal.
    Type: Application
    Filed: November 23, 2023
    Publication date: March 14, 2024
    Inventors: AMIT KUNDU, JAW-JUINN HORNG, YI-HSIANG WANG
  • Patent number: 11860238
    Abstract: A circuit for parameter PSRR measurement includes a filter, a first regulator and a second regulator. The filter may be configured for receiving an AC input signal and a DC input signal, and for outputting a combined output signal according to the AC input signal and the DC input signal. The first regulator may be configured for receiving the combined output signal, and for outputting a first output signal having a first AC component signal and a first DC component signal. The second regulator may be configured for receiving the first output signal, and for outputting a second output signal having a second AC component signal and a second DC component signal. A parameter PSRR of the second regulator may be obtained according to a ratio between the second AC component signal and the first AC component signal.
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: January 2, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Amit Kundu, Jaw-Juinn Horng, Yi-Hsiang Wang
  • Patent number: 11853092
    Abstract: A device is provided. The device includes an operational amplifier, an output circuit, a first capacitor, and a second capacitor. The operational amplifier is configured to generate an output according to a feedback signal. The output circuit is configured to generate a first current signal in response to a supply voltage and the output of the operational amplifier. The first current signal includes a first ripple signal. The first capacitor and the second capacitor are coupled in parallel between the operational amplifier and the output circuit. The first capacitor is configured to receive the first current signal and feedback to the operational amplifier the first ripple signal.
    Type: Grant
    Filed: February 6, 2023
    Date of Patent: December 26, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Yi-Hsiang Wang, Jaw-Juinn Horng
  • Publication number: 20230343785
    Abstract: A method of manufacturing an integrated circuit (IC) device includes forming a metal oxide semiconductor (MOS) transistor including a first gate and first and second source/drain (S/D) regions, the first and second S/D regions having a first doping type and being formed in a substrate region having a second doping type different from the first doping type, forming a guard ring structure surrounding the MOS transistor, the guard ring structure including a second gate and first and second heavily doped regions, the first and second heavily doped regions being formed in the substrate region and having the second doping type, and constructing a first electrical connection between the first and second gates.
    Type: Application
    Filed: June 28, 2023
    Publication date: October 26, 2023
    Inventors: Yi-Hsiang WANG, Szu-Lin LIU, Jaw-Juinn HORNG, Yung-Chow PENG
  • Publication number: 20230288947
    Abstract: The present disclosure provides a low dropout (LDO) circuit. The LDO circuit includes an input terminal, an output terminal, a cascode operational amplifier, and a power stage. The cascode operational amplifier is electrically connected to the input terminal. The power stage has a first terminal electrically connected to the input terminal, a second terminal electrically connected to an output node of the cascode operational amplifier, and a third terminal electrically connected to the output terminal.
    Type: Application
    Filed: March 10, 2022
    Publication date: September 14, 2023
    Inventor: YI-HSIANG WANG
  • Publication number: 20230268911
    Abstract: A method includes fabricating a first transistor and a second transistor on a substrate and fabricating a first conducting line and a second conducting line in a first metal layer. The method also includes connecting a gate of the first transistor to the first conducting line and connecting a gate of the second transistor to the second conducting line. The first conducting line and the second conducting line are parallel and adjacent to each other in the first metal layer above the first transistor and the second transistor. The method still includes connecting a source and a drain of the first transistor to a third conducting line.
    Type: Application
    Filed: April 25, 2023
    Publication date: August 24, 2023
    Inventors: Szu-Lin LIU, Jaw-Juinn HORNG, Yi-Hsiang WANG, Wei-Lin LAI
  • Publication number: 20230231554
    Abstract: A method (of decoupling from voltage variations in a first voltage drop between first and second reference voltage rails) includes: electrically coupling one or more components to form a decoupling capacitance (decap) circuit; electrically coupling one or more components to form a filtered biasing circuit; and making an unswitched series electrical coupling of the decap circuit and the filtered biasing circuit between the first and second reference voltage rails.
    Type: Application
    Filed: March 13, 2023
    Publication date: July 20, 2023
    Inventors: Szu-Lin LIU, Yi-Hsiang WANG, Jaw-Juinn HORNG
  • Patent number: 11699771
    Abstract: A non-diffusion type photodiode is described and has: a substrate, a buffer layer, a light absorption layer, an intermediate layer, and a multiplication/window layer. The buffer layer is disposed on the substrate. The light absorption layer is disposed on the buffer layer. The intermediate layer is disposed on the light absorption layer and has a first boundary, wherein the intermediate layer is an I-type semiconductor layer or a graded refractive index layer. The multiplication/window layer is disposed on the intermediate layer and has a second boundary, wherein in a top view, the first boundary surrounds the second boundary, and a distance between the first boundary and the second boundary is greater than or equal to 1 micrometer. The non-diffusion type photodiode can reduce generation of dark current.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: July 11, 2023
    Assignee: LANDMARK OPTOELECTRONICS CORPORATION
    Inventors: Huang-wei Pan, Hung-Wen Huang, Yung-Chao Chen, Yi-Hsiang Wang
  • Patent number: 11695007
    Abstract: A method of biasing a guard ring structure includes biasing a gate of a MOS transistor to a first bias voltage level, biasing first and second S/D regions of the MOS transistor to a power domain voltage level, biasing a gate of the guard ring structure to a second bias voltage level, and biasing first and second heavily doped regions of the guard ring structure to the power domain voltage level. Each of the first and second S/D regions has a first doping type, each of the first and second heavily doped regions has a second doping type different from the first doping type, and each of the first and second S/D regions and the first and second heavily doped regions is positioned in a substrate region having the second doping type.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: July 4, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Yi-Hsiang Wang, Szu-Lin Liu, Jaw-Juinn Horng, Yung-Chow Peng
  • Publication number: 20230185323
    Abstract: A device is provided. The device includes an operational amplifier, an output circuit, a first capacitor, and a second capacitor. The operational amplifier is configured to generate an output according to a feedback signal. The output circuit is configured to generate a first current signal in response to a supply voltage and the output of the operational amplifier. The first current signal includes a first ripple signal. The first capacitor and the second capacitor are coupled in parallel between the operational amplifier and the output circuit. The first capacitor is configured to receive the first current signal and feedback to the operational amplifier the first ripple signal.
    Type: Application
    Filed: February 6, 2023
    Publication date: June 15, 2023
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Yi-Hsiang WANG, Jaw-Juinn HORNG
  • Patent number: 11671084
    Abstract: An integrated circuit includes a first metal-insulator-semiconductor capacitor, a second metal-insulator-semiconductor capacitor, and a metal-insulator-metal capacitor. A first terminal of the first metal-insulator-semiconductor capacitor is configured to receive a first reference voltage for a higher voltage domain, while a first terminal of the second metal-insulator-semiconductor capacitor is configured to receive a second reference voltage for the higher voltage domain. A second terminal of the first metal-insulator-semiconductor capacitor is conductively connected to a first terminal of the metal-insulator-metal capacitor, while a second terminal of the second metal-insulator-semiconductor capacitor is conductively connected to a second terminal of the metal-insulator-metal capacitor.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: June 6, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Szu-Lin Liu, Jaw-Juinn Horng, Yi-Hsiang Wang, Wei-Lin Lai
  • Patent number: 11606089
    Abstract: A decoupling capacitance (decap) system which includes: a decap circuit electrically coupled between a first or second reference voltage rail and a first node; and a biasing circuit coupled between the first node and correspondingly the second or first reference voltage rail. Due to the series connection between the decap circuit and the biasing circuit, the voltage drop across the biasing circuit effectively reduces the voltage drop across the decap circuit so that the voltage drop across the decap circuit is less than a voltage drop across the decap system as whole.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: March 14, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Szu-Lin Liu, Yi-Hsiang Wang, Jaw-Juinn Horng
  • Patent number: 11573585
    Abstract: A device is disclosed. The device includes an operational amplifier, an output circuit and a first feedback circuit. The operational amplifier includes an input terminal that is configured to receive a feedback signal. The output circuit is coupled to an output terminal of the operational amplifier and is configured to generate an output signal in response to an output of the operational amplifier. The first feedback circuit is coupled to the output circuit and is configured to couple at least one first ripple signal in the output signal to the input terminal of the operational amplifier that is configured to receive the feedback signal, for adjusting the output signal. A method also is disclosed herein.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: February 7, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Yi-Hsiang Wang, Jaw-Juinn Horng
  • Patent number: 11501941
    Abstract: An overload protection switch with reverse restart switching structure, particularly to one that has a molded-case circuit breaker which adding a lampshade parallel stagnation position for overload indication, and when resetting, needs to press back to the RESET for reconfirmation; due to the stagnation position and reverse restart structure, it can avoid repeating the reset action, preventing the reduction of the life of the overload protection switch and repeated exposure or the misjudgment and then resetting of electrical products that have been overloaded and tripped and then overload again then results in causing dangerous; also, the lampshade can be completely tripped even when the lampshade is suppressed, and prevent the danger of repeated tripping during overload.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: November 15, 2022
    Inventors: Yi-Hsiang Wang, I-Ying Wang
  • Publication number: 20220360257
    Abstract: An integrated circuit includes a first metal-insulator-semiconductor capacitor, a second metal-insulator-semiconductor capacitor, and a metal-insulator-metal capacitor. A first terminal of the first metal-insulator-semiconductor capacitor is configured to receive a first reference voltage for a higher voltage domain, while a first terminal of the second metal-insulator-semiconductor capacitor is configured to receive a second reference voltage for the higher voltage domain. A second terminal of the first metal-insulator-semiconductor capacitor is conductively connected to a first terminal of the metal-insulator-metal capacitor, while a second terminal of the second metal-insulator-semiconductor capacitor is conductively connected to a second terminal of the metal-insulator-metal capacitor.
    Type: Application
    Filed: August 24, 2021
    Publication date: November 10, 2022
    Inventors: Szu-Lin LIU, Jaw-Juinn HORNG, Yi-Hsiang WANG, Wei-Lin LAI