Patents by Inventor Cheng Chou

Cheng Chou 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).

  • Publication number: 20230402075
    Abstract: A memory device is provided, the memory device includes multiple cells arranged in a matrix of multiple rows and multiple columns. The memory device further includes multiple bit lines each of which is connected to first cells of the multiple cells arranged in a row of the multiple rows. A voltage control circuit is connectable to a selected bit line of the multiple bit lines and includes a voltage detection circuit that detects an instantaneous supply voltage and a voltage source selection circuit connected to the voltage detection circuit. The voltage source selection circuit selects a voltage source from multiple voltage sources based on the detected instantaneous supply voltage. The voltage source selection circuit includes a switch that connects the selected voltage source to the selected bit line to provide a write voltage.
    Type: Application
    Filed: August 18, 2023
    Publication date: December 14, 2023
    Inventors: CHIEN-AN LAI, CHUNG-CHENG CHOU, YU-DER CHIH
  • Publication number: 20230396161
    Abstract: A system includes a charge pump system having a plurality of enable signal input terminals and an output terminal, the charge pump system configured to provide an output voltage at the output terminal; and a detection circuit connected to the enable terminals and the output terminal of the charge pump system, the detection circuit configured to compare the charge pump system output voltage to a plurality of predefined input detection voltage levels, and to selectively output a plurality of enable signals to the charge pump system enable signal input terminals in response to the comparison.
    Type: Application
    Filed: August 4, 2023
    Publication date: December 7, 2023
    Inventors: Chung-Cheng Chou, Tien-Yen Wang
  • Publication number: 20230393613
    Abstract: A display assembly including a stand, a mounting assembly and a display. The mounting assembly includes a fixed base, a first pivot, a pivotable base, a second pivot, a handle, a plurality of first engagement structures and a second engagement structure. The handle includes a handheld part and a mounting part. The mounting part is connected to the handheld part and pivotally connected to the pivotable base via the second pivot. The first engagement structures are disposed at one of the fixed base and the mounting part of the handle. The second engagement structure is disposed at another one of the fixed base and the mounting part of the handle. The display is fixed on the pivotable base. The first pivot is not coaxial with the second pivot so that the second engagement structure is configured to be engaged with any one of the first engagement structures.
    Type: Application
    Filed: June 7, 2022
    Publication date: December 7, 2023
    Applicants: MICRO-STAR INT'L CO.,LTD., MSI COMPUTER (SHENZHEN) CO.,LTD.
    Inventors: Ping-Cheng CHOU, Huang-Lei SUN, Chuan Li KAO
  • Publication number: 20230393767
    Abstract: A data storage system with intelligent power management includes a plurality of data storage devices and a controller. Each data storage device is capable of operating in one of (N+1) power saving functions where N is an integer larger than 1. The (N+1) power saving functions sequentially correspond to from the 0th to the Nth power saving levels. The controller reads a user-setting power saving level (I) where I is an integer index ranging from 0 to N. The controller reads a current power saving level (J) of a current power saving function of one of the plurality of data storage devices where J is an integer index ranging from 0 to N. The controller controls said one data storage device to operate in one power saving function among the (N+1) power saving functions according to the user-setting power saving level (I) and the current power saving level (J).
    Type: Application
    Filed: May 23, 2023
    Publication date: December 7, 2023
    Inventors: Zhi-Yu WU, Cheng-Chou WANG, Che-Jen WANG
  • Patent number: 11837287
    Abstract: A memory device includes a memory cell and a sense amplifier. The sense amplifier has a reference circuit configured to output a reference voltage and a sensing circuit connected to the memory cell. A comparator includes a first input and a second input, with the first input connected to the reference circuit to receive the reference voltage, and the second input connected to the memory cell. A precharger is configured to selectively precharge the sensing circuit to a predetermined precharge voltage.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: December 5, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Zheng-Jun Lin, Chung-Cheng Chou, Pei-Ling Tseng
  • Publication number: 20230386898
    Abstract: A method for making a middle-of-line interconnect structure in a semiconductor device includes forming, near a surface of a first interconnect structure comprised of a first metal, a region of varied composition including the first metal and a second element. The method further includes forming a recess within the region of varied composition. The recess laterally extends a first distance along the surface and vertically extends a second distance below the first surface. The method further includes filling the recess with a second metal to form a second interconnect structure that contacts the first interconnect structure.
    Type: Application
    Filed: August 9, 2023
    Publication date: November 30, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chun-Cheng Chou, Yu-Fang Huang, Kuo-Ju Chen, Ying-Liang Chuang, Chun-Neng Lin, Ming-Hsi Yeh, Kuo-Bin Huang
  • Publication number: 20230377648
    Abstract: A method of operating a memory circuit includes generating a first current in response to a first voltage. The first current includes a first set of leakage currents and a first write current. The method further includes generating, by a tracking circuit, a second set of leakage currents configured to track the first set of leakage currents of the first column of memory cells, and mirroring the first current in a first path with a second current in a second path by a first current mirror. The second current includes the second set of leakage currents and a second write current. The first write current corresponds to the second write current. The first set of leakage currents corresponds to the second set of leakage currents.
    Type: Application
    Filed: July 31, 2023
    Publication date: November 23, 2023
    Inventors: Chin-I SU, Chung-Cheng CHOU, Yu-Der CHIH, Zheng-Jun LIN
  • Patent number: 11823746
    Abstract: A memory sector with trimmed reference currents, including eight unit cells corresponding to an even word line and eight unit cells corresponding to an odd word line, and each unit cell has erased state and programmed state, wherein the logic state of unit cell corresponding to the odd word line is determined by a first reference current based on cell currents of the 8 unit cells corresponding to the even word line in programmed state and cell currents of the eight unit cells corresponding to the odd word line in erased state, and the logic state of unit cell corresponding to the even word line is determined by a second reference current based on cell currents of the eight unit cells corresponding to the even word line in erased state and cell currents of the 8 unit cells corresponding to the odd word line in programmed state.
    Type: Grant
    Filed: February 17, 2022
    Date of Patent: November 21, 2023
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Ming-Shan Ho, Ying-Ting Lin, Chung-Yi Luo, Kuo-Cheng Chou, Cheng-Hsiao Lai, Ming-Jen Chang, Yung-Tsai Hsu, Cheng-Chieh Cheng
  • Publication number: 20230335189
    Abstract: In some aspects of the present disclosure, a memory device is disclosed. In some aspects, the memory device includes a first voltage regulator to receive a word line voltage provided to a memory array; a resistor network coupled to the first voltage regulator to provide an inhibit voltage to the memory array, wherein the resistor network comprises a plurality of resistors and wherein each of the resistors are coupled in series to an adjacent one of the plurality of resistors; and a switch network comprising a plurality of switches, wherein each of the switches are coupled to a corresponding one of the plurality of resistors and to the memory array via a second voltage regulator.
    Type: Application
    Filed: June 16, 2023
    Publication date: October 19, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Zheng-Jun Lin, Chin-I Su, Pei-Ling Tseng, Chung-Cheng Chou
  • Publication number: 20230317159
    Abstract: A memory device includes a main array comprising main memory cells; a redundancy array comprising redundancy memory cells; and write circuitry configured to perform a first programming operation on a main memory cell, to detect whether a current of the main memory cell exceeds a predefined current threshold during the first programming operation, and to disable a second programming operation for a redundancy memory cell if the current of the main memory cell exceeds the predefined current threshold during the first programming operation.
    Type: Application
    Filed: March 31, 2022
    Publication date: October 5, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yu-Der Chih, Chung-Cheng Chou, Chun-Yun Wu, Chen-Ming Hung
  • Publication number: 20230301509
    Abstract: An optical detection device and an operation method thereof is disclosed. The optical detection device includes a light source, an optical coupling element, a reference optical path modulation element and a data processing element. The light source provides an incident light. The optical coupling element divides the incident light into a reference light and a detection light and emits them to the reference optical path modulation element and the sample to be tested respectively. The reference optical path modulation element reflects the reference light and rapidly changes the light path of reference light. The optical coupling element interferes the reference light reflected by the reference optical path modulation element and the detection light reflected by the sample to be tested to generate an optical interference signal. The data processing element receives and analyzes the optical interference signal to obtain an optical detection result about the sample to be tested.
    Type: Application
    Filed: January 20, 2023
    Publication date: September 28, 2023
    Inventors: Hsuan-Hao CHAO, Sung-Yang WEI, William WANG, Chung-Cheng CHOU
  • Publication number: 20230291299
    Abstract: A self-driven active clamp circuit applied to a flyback converter having a transformer and a switch has a clamp switch and a resistor. The clamp switch is connected between a first capacitor and a second capacitor in series. Another terminal of the first capacitor is connected to a first terminal of a primary-side winding of the transformer. Another terminal of the second capacitor is connected to a second terminal of the primary-side winding of the transformer and the switch of the flyback converter. A terminal of the resistor is connected to a control terminal of the clamp switch. Another terminal of the resistor is connected to the second terminal of the primary-side winding of the transformer and the switch of the flyback converter.
    Type: Application
    Filed: March 8, 2022
    Publication date: September 14, 2023
    Applicant: MINMAX TECHNOLOGY CO., LTD.
    Inventor: CHENG-CHOU WU
  • Publication number: 20230291317
    Abstract: A multi-mode hybrid control DC-DC converting circuit has a switching power converter and a microcontroller. The switching power converter has a transformer and a switching switch. The switching switch is connected to a primary-side winding of the transformer in series. The microcontroller is connected to the switching power converter and a control terminal of the switching switch. The microcontroller sets multiple thresholds according to an input voltage of the switching power converter, and determines whether a feedback voltage of the switching power converter is higher or lower than each one of the thresholds to perform a variable-frequency mode, a constant-frequency mode, or a pulse-skipping mode. The microcontroller outputs a driving signal to the switching switch and correspondingly adjusts a frequency of the driving signal according to the variable-frequency mode, the constant-frequency mode, or the pulse-skipping mode which is performed.
    Type: Application
    Filed: March 8, 2022
    Publication date: September 14, 2023
    Applicant: MINMAX TECHNOLOGY CO., LTD.
    Inventors: CHENG-CHOU WU, CHUN-TSE CHEN
  • Patent number: 11757356
    Abstract: A system includes a charge pump system having a plurality of enable signal input terminals and an output terminal, the charge pump system configured to provide an output voltage at the output terminal; and a detection circuit connected to the enable terminals and the output terminal of the charge pump system, the detection circuit configured to compare the charge pump system output voltage to a plurality of predefined input detection voltage levels, and to selectively output a plurality of enable signals to the charge pump system enable signal input terminals in response to the comparison.
    Type: Grant
    Filed: May 5, 2022
    Date of Patent: September 12, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chung-Cheng Chou, Tien-Yen Wang
  • Patent number: 11735238
    Abstract: A memory device is provided, the memory device includes multiple cells arranged in a matrix of multiple rows and multiple columns. The memory device further includes multiple bit lines each of which is connected to first cells of the multiple cells arranged in a row of the multiple rows. A voltage control circuit is connectable to a selected bit line of the multiple bit lines and includes a voltage detection circuit that detects an instantaneous supply voltage and a voltage source selection circuit connected to the voltage detection circuit. The voltage source selection circuit selects a voltage source from multiple voltage sources based on the detected instantaneous supply voltage. The voltage source selection circuit includes a switch that connects the selected voltage source to the selected bit line to provide a write voltage.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: August 22, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chien-An Lai, Chung-Cheng Chou, Yu-Der Chih
  • Patent number: 11735263
    Abstract: A method of operating a memory circuit includes generating a first voltage by a first amplifier circuit of a first driver circuit coupled to a first column of memory cells, and generating a first current in response to the first voltage. The first current includes a first set of leakage currents and a first write current. The method further includes generating, by a tracking circuit, a second set of leakage currents configured to track the first set of leakage currents of the first column of memory cells, and mirroring the first current in a first path with a second current in a second path by a first current mirror. The second current includes the second set of leakage currents and a second write current. The first write current corresponds to the second write current. The first set of leakage currents corresponds to the second set of leakage currents.
    Type: Grant
    Filed: July 22, 2022
    Date of Patent: August 22, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chin-I Su, Chung-Cheng Chou, Yu-Der Chih, Zheng-Jun Lin
  • Publication number: 20230253041
    Abstract: A memory circuit includes a first driver circuit, a memory cell array including a first column of memory cells, a first transistor coupled between the first driver circuit and the memory cell array, a second driver circuit, a first column of tracking cells and a header circuit coupled to the first driver circuit and the second driver circuit. The first transistor is configured to receive a first select signal. The first column of tracking cells is configured to track a leakage current of the first column of memory cells, and is coupled between a first conductive line and a second conductive line, the first conductive line being coupled to the second driver circuit.
    Type: Application
    Filed: April 20, 2023
    Publication date: August 10, 2023
    Inventors: Chin-I SU, Chung-Cheng CHOU, Yu-Der CHIH, Zheng-Jun LIN
  • Patent number: 11719862
    Abstract: An optical lens device for a head-mounted display includes a transparent support substrate and a Fresnel lens disposed thereon. The Fresnel lens includes a central lens element and a plurality of prismatic elements arranged relative to the central lens element in a proximal-to-distal manner. Each of the prismatic elements has a base facing toward the support substrate, and a draft facet and a sloped facet extending from the base away from the support substrate to intersect with each other to form an apex. Each of the prismatic elements has a height measured from the base to the apex and not greater than 75 ?m. The base has a width not greater than 250 ?m. A method and a mold for producing the optical lens device are also disclosed.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: August 8, 2023
    Assignee: OPTIVISION TECHNOLOGY INC.
    Inventors: Li-Jen Hsu, Nan-Hung Kuo, Tsung-Hsien Wu, Young-Cheng Chou
  • Patent number: 11715518
    Abstract: In some aspects of the present disclosure, a memory device is disclosed. In some aspects, the memory device includes a first voltage regulator to receive a word line voltage provided to a memory array; a resistor network coupled to the first voltage regulator to provide an inhibit voltage to the memory array, wherein the resistor network comprises a plurality of resistors and wherein each of the resistors are coupled in series to an adjacent one of the plurality of resistors; and a switch network comprising a plurality of switches, wherein each of the switches are coupled to a corresponding one of the plurality of resistors and to the memory array via a second voltage regulator.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: August 1, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Zheng-Jun Lin, Chin-I Su, Pei-Ling Tseng, Chung-Cheng Chou
  • Patent number: 11712696
    Abstract: A drug screening platform simulating hyperthermic intraperitoneal chemotherapy including a dielectrophoresis system, a microfluidic chip and a heating system is disclosed. The dielectrophoresis system is used to provide a dielectrophoresis force. The microfluidic chip includes a cell culture array and observation module and a drug mixing module. The cell culture array and observation module are used to arrange the cells into a three-dimensional structure through the dielectrophoresis force to construct a three-dimensional tumor microenvironment. The drug mixing module is coupled to the cell culture array and observation module and used to automatically split and mix the inputted drugs and output the drug combinations into the cell culture array and observation module.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: August 1, 2023
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventors: Te-Yu Chao, Yu-Ching Tung, Mao-Chih Hsieh, Yu-Ting Tai, Bing-Ying Ho, Wei-Chia Chang, Sung-Yang Wei, Chang-Hung Hsieh, Chung-Cheng Chou, Jen-Tsan Chi, Long Hsu, Hwan-You Chang, Huang-Ming Philip Chen, Cheng-Hsien Liu