Patents by Inventor Wenchao Hao
Wenchao Hao 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).
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Patent number: 12184285Abstract: A latch circuit includes a latch clock generator configured to generate a latched clock signal based on a clock signal and an enable signal, and an input latch coupled to the latch clock generator to receive the latched clock signal. The input latch is configured to generate a latched output signal based on the latched clock signal and an input signal. In response to the enable signal having a disabling logic level, the latch clock generator is configured to set a logic level of the latched clock signal to a corresponding disabling logic level, regardless of the clock signal. In response to the corresponding disabling logic level of the latched clock signal, the input latch is configured to hold a logic level of the latched output signal unchanged, regardless of the input signal having one or more logic level switchings, while the enable signal is having the disabling logic level.Type: GrantFiled: July 31, 2023Date of Patent: December 31, 2024Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY, LIMITEDInventors: XiuLi Yang, Kuan Cheng, He-Zhou Wan, Ching-Wei Wu, Wenchao Hao
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Publication number: 20230378939Abstract: A latch circuit includes a latch clock generator configured to generate a latched clock signal based on a clock signal and an enable signal, and an input latch coupled to the latch clock generator to receive the latched clock signal. The input latch is configured to generate a latched output signal based on the latched clock signal and an input signal. In response to the enable signal having a disabling logic level, the latch clock generator is configured to set a logic level of the latched clock signal to a corresponding disabling logic level, regardless of the clock signal. In response to the corresponding disabling logic level of the latched clock signal, the input latch is configured to hold a logic level of the latched output signal unchanged, regardless of the input signal having one or more logic level switchings, while the enable signal is having the disabling logic level.Type: ApplicationFiled: July 31, 2023Publication date: November 23, 2023Inventors: XiuLi YANG, Kuan CHENG, He-Zhou WAN, Ching-Wei WU, Wenchao HAO
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Patent number: 11811404Abstract: A latch circuit includes a latch clock generator configured to generate a latched clock signal based on a clock signal and a first enable signal, and an input latch coupled to the latch clock generator to receive the latched clock signal. The input latch is configured to generate a latched output signal based on the latched clock signal and an input signal. In response to the first enable signal having a disabling logic level, the latch clock generator is configured to set a logic level of the latched clock signal to a corresponding disabling logic level, regardless of the clock signal. The latch clock generator includes a first inverter configured to generate an inverted signal of the first enable signal, and a NAND gate coupled to the first inverter to receive the inverted signal of the first enable signal. The NAND gate is configured to generate the latched clock signal based on the clock signal and the inverted signal of the first enable signal.Type: GrantFiled: November 12, 2021Date of Patent: November 7, 2023Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY, LIMITEDInventors: XiuLi Yang, Kuan Cheng, He-Zhou Wan, Ching-Wei Wu, Wenchao Hao
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Publication number: 20220069807Abstract: A latch circuit includes a latch clock generator configured to generate a latched clock signal based on a clock signal and a first enable signal, and an input latch coupled to the latch clock generator to receive the latched clock signal. The input latch is configured to generate a latched output signal based on the latched clock signal and an input signal. In response to the first enable signal having a disabling logic level, the latch clock generator is configured to set a logic level of the latched clock signal to a corresponding disabling logic level, regardless of the clock signal. The latch clock generator includes a first inverter configured to generate an inverted signal of the first enable signal, and a NAND gate coupled to the first inverter to receive the inverted signal of the first enable signal. The NAND gate is configured to generate the latched clock signal based on the clock signal and the inverted signal of the first enable signal.Type: ApplicationFiled: November 12, 2021Publication date: March 3, 2022Inventors: XiuLi YANG, Kuan CHENG, He-Zhou WAN, Ching-Wei WU, Wenchao HAO
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Patent number: 11190169Abstract: A latch circuit includes a latch clock generator configured to generate a latched clock signal based on a clock signal and a first enable signal, and an input latch coupled to the latch clock generator to receive the latched clock signal. The input latch is configured to generate a latched output signal based on the latched clock signal and an input signal. In response to the first enable signal having a disabling logic level, the latch clock generator is configured to set a logic level of the latched clock signal to a corresponding disabling logic level, regardless of the clock signal.Type: GrantFiled: February 20, 2020Date of Patent: November 30, 2021Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY, LIMIIEDInventors: XiuLi Yang, Kuan Cheng, He-Zhou Wan, Ching-Wei Wu, Wenchao Hao
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Publication number: 20210203310Abstract: A latch circuit includes a latch clock generator configured to generate a latched clock signal based on a clock signal and a first enable signal, and an input latch coupled to the latch clock generator to receive the latched clock signal. The input latch is configured to generate a latched output signal based on the latched clock signal and an input signal. In response to the first enable signal having a disabling logic level, the latch clock generator is configured to set a logic level of the latched clock signal to a corresponding disabling logic level, regardless of the clock signal.Type: ApplicationFiled: February 20, 2020Publication date: July 1, 2021Inventors: XiuLi YANG, Kuan CHENG, He-Zhou WAN, Ching-Wei WU, Wenchao HAO
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Patent number: 10466828Abstract: A touch display panel, a driving method thereof and a display device. The touch display panel includes a plurality of driving electrodes and a plurality of sensing electrodes, a scanning signal transmitting unit, a first touch detection unit and a second touch detection unit; the scanning signal transmitting unit is configured to send scanning signals to the driving electrodes during the touch stage; the first touch detection unit is configured to collect signals through the sensing electrodes and determine an X coordinate and a Y coordinate of the touch position during a first preset period of time; the second touch detection unit is configured to collect signals through the driving electrodes and determine a Z coordinate of the touch position during a second preset period of time; and the first preset period of time and the second preset period of time are periods of time of the touch stage.Type: GrantFiled: November 8, 2016Date of Patent: November 5, 2019Assignees: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.Inventors: Wenchao Hao, Wei Sun, Dong Chen
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Publication number: 20180150172Abstract: A touch display panel, a driving method thereof and a display device. The touch display panel includes a plurality of driving electrodes and a plurality of sensing electrodes, a scanning signal transmitting unit, a first touch detection unit and a second touch detection unit; the scanning signal transmitting unit is configured to send scanning signals to the driving electrodes during the touch stage; the first touch detection unit is configured to collect signals through the sensing electrodes and determine an X coordinate and a Y coordinate of the touch position during a first preset period of time; the second touch detection unit is configured to collect signals through the driving electrodes and determine a Z coordinate of the touch position during a second preset period of time; and the first preset period of time and the second preset period of time are periods of time of the touch stage.Type: ApplicationFiled: November 8, 2016Publication date: May 31, 2018Applicants: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.Inventors: Wenchao Hao, Wei Sun, Dong Chen