Patents by Inventor Kuo-Wei Cheng
Kuo-Wei Cheng 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: 11956553Abstract: An image sensor device has a first number of first pixels disposed in a substrate and a second number of second pixels disposed in the substrate. The first number is substantially equal to the second number. A light-blocking structure disposed over the first pixels and the second pixels. The light-blocking structure defines a plurality of first openings and second openings through which light can pass. The first openings are disposed over the first pixels. The second openings are disposed over the second pixels. The second openings are smaller than the first openings. A microcontroller is configured to turn on different ones of the second pixels at different points in time.Type: GrantFiled: November 8, 2021Date of Patent: April 9, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Yun-Wei Cheng, Chun-Hao Chou, Kuo-Cheng Lee, Hsin-Chi Chen
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Publication number: 20240113237Abstract: The present disclosure provides a semiconductor structure and a method of manufacturing the same. The semiconductor structure includes a sensing device, a solar cell, and an interconnecting structure. The solar cell is disposed above the sensing device and is electrically connected to the sensing device. The interconnecting structure is disposed between the sensing device and the solar cell and has a first surface facing the solar cell and a second surface facing the sensing devices. The interconnecting structure comprises a first energy storage component and a second energy storage component. The first energy storage component is disposed closer to the first surface of the interconnecting structure than the second energy storage component.Type: ApplicationFiled: January 10, 2023Publication date: April 4, 2024Inventors: FENG-CHIEN HSIEH, YUN-WEI CHENG, KUO-CHENG LEE, CHENG-MING WU, PING KUAN CHANG
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Publication number: 20240096923Abstract: The image sensing structure includes a first semiconductor device and a second semiconductor device. The first semiconductor device includes at least one first unit. The at least one first unit includes a plurality of first interconnects adjacent to the top side of the first semiconductor device, a row selector, and an analog-to-digital converter (ADC) connected to the row selectors. The second semiconductor device includes at least one second unit. The at least one second unit includes a photodiode facing the top side of the second semiconductor device. The photodiode is configured to receive the light incident on the top side of the second semiconductor device. The top side of the first semiconductor device is bonded to the bottom side of the second semiconductor device.Type: ApplicationFiled: January 6, 2023Publication date: March 21, 2024Inventors: FENG-CHIEN HSIEH, YUN-WEI CHENG, WEI-LI HU, KUO-CHENG LEE, CHENG-MING WU
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Publication number: 20240079422Abstract: A pixel array includes octagon-shaped pixel sensors and a combination of visible light pixel sensors (e.g., red, green, and blue pixel sensors) and near infrared (NIR) pixel sensors. The color information obtained by the visible light pixel sensors and the luminance obtained by the NIR pixel sensors may be combined to increase the low-light performance of the pixel array, and to allow for low-light color images in low-light applications. The octagon-shaped pixel sensors may be interspersed in the pixel array with square-shaped pixel sensors to increase the utilization of space in the pixel array, and to allow for pixel sensors in the pixel array to be sized differently. The capability to accommodate different sizes of visible light pixel sensors and NIR pixel sensors permits the pixel array to be formed and/or configured to satisfy various performance parameters.Type: ApplicationFiled: April 27, 2023Publication date: March 7, 2024Inventors: Feng-Chien HSIEH, Yun-Wei CHENG, Kuo-Cheng LEE, Cheng-Ming WU
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Patent number: 11862091Abstract: A pixel circuit of a display panel includes a driving transistor, first to fifth transistors, and a light emitting device. The driving transistor includes a first terminal, a second terminal and a gate terminal. The first transistor is coupled between a power supply terminal and the first terminal of the driving transistor. The second transistor is coupled between the first terminal of the driving transistor and the gate terminal of the driving transistor. The third transistor is coupled between the second terminal of the driving transistor and the gate terminal of the driving transistor. The fourth transistor is coupled between a data input terminal and the second terminal of the driving transistor. The fifth transistor is coupled to the second terminal of the driving transistor. The light emitting device is coupled between the fifth transistor and a reference voltage terminal.Type: GrantFiled: January 9, 2023Date of Patent: January 2, 2024Assignee: NOVATEK Microelectronics Corp.Inventor: Kuo-Wei Cheng
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Patent number: 11687105Abstract: A driving device includes a voltage regulator, a voltage generator, and a first NMOSFET. The voltage regulator is coupled between a first high-voltage terminal and the output terminal of the driving device. The voltage regulator receives the first high voltage of the first high-voltage terminal. The voltage regulator steps down the first high voltage to generate a supply voltage. The voltage generator is coupled to a second high-voltage terminal and the output terminal of the driving device. The voltage generator provides a reference voltage for the output terminal of the driving device. The reference voltage is substantially lower than the supply voltage. The first NMOSFET is coupled between the output terminal of the driving device and a low-voltage terminal.Type: GrantFiled: June 30, 2021Date of Patent: June 27, 2023Assignee: Novatek Microelectronics Corp.Inventor: Kuo Wei Cheng
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Publication number: 20230004179Abstract: A driving device includes a voltage regulator, a voltage generator, and a first NMOSFET. The voltage regulator is coupled between a first high-voltage terminal and the output terminal of the driving device. The voltage regulator receives the first high voltage of the first high-voltage terminal. The voltage regulator steps down the first high voltage to generate a supply voltage. The voltage generator is coupled to a second high-voltage terminal and the output terminal of the driving device. The voltage generator provides a reference voltage for the output terminal of the driving device. The reference voltage is substantially lower than the supply voltage. The first NMOSFET is coupled between the output terminal of the driving device and a low-voltage terminal.Type: ApplicationFiled: June 30, 2021Publication date: January 5, 2023Inventor: KUO WEI CHENG
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Publication number: 20220021830Abstract: An optical sensing device, including a first power rail, a second power rail, and a plurality of optical sensing elements arranged in an array, is provided. Each optical sensing element can include a photo diode, a reset switch, and a buffer. The reset switch can have a control terminal to receive a reset signal. A first terminal of the reset switch can be coupled to the first power rail and a second terminal of the reset switch is coupled to the photo diode. A first terminal of the buffer can be coupled to the second power rail, a second terminal of the buffer can be coupled to the second terminal of the reset switch and the photo diode, and a third terminal of the buffer is configured to provide a sensing signal. The second power rail is separate or independent from the first power rail.Type: ApplicationFiled: July 20, 2020Publication date: January 20, 2022Applicant: Novatek Microelectronics Corp.Inventors: Kuo Wei Cheng, Jen-Yi Lin, Jung-Chen Chung
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Patent number: 11178351Abstract: A readout circuit is provided. The readout circuit is coupled to a pixel circuit for reading out signals from the pixel circuit. The readout circuit includes a biasing circuit. The biasing circuit includes a cascode transistor and a biasing transistor. A first terminal of the cascode transistor is coupled to an output terminal of the biasing circuit and the pixel circuit. A second terminal of the cascode transistor is coupled to a first terminal of the biasing transistor. A second terminal of the biasing transistor is coupled to a negative voltage.Type: GrantFiled: May 7, 2020Date of Patent: November 16, 2021Assignee: Novatek Microelectronics Corp.Inventors: Kuo Wei Cheng, Chi-Ting Chen
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Publication number: 20210352237Abstract: A readout circuit is provided. The readout circuit is coupled to a pixel circuit for reading out signals from the pixel circuit. The readout circuit includes a biasing circuit. The biasing circuit includes a cascode transistor and a biasing transistor. A first terminal of the cascode transistor is coupled to an output terminal of the biasing circuit and the pixel circuit. A second terminal of the cascode transistor is coupled to a first terminal of the biasing transistor. A second terminal of the biasing transistor is coupled to a negative voltage.Type: ApplicationFiled: May 7, 2020Publication date: November 11, 2021Applicant: Novatek Microelectronics Corp.Inventors: Kuo Wei Cheng, Chi-Ting Chen
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Patent number: 11023701Abstract: A signal processing circuit for processing a sensing signal from a sensing circuit includes a plurality of input capacitors, an amplifier, an input switch group, a plurality of storage capacitors and a plurality of storage control switches. The plurality of input capacitors are configured to receive the sensing signal from one of a differential input nodes of the signal processing circuit and couple the sensing signal to a plurality of floating nodes. The amplifier, coupled to the plurality of floating nodes, is configured to amplify the sensing signal coupled from the plurality of floating nodes. The input switch group is coupled between the plurality of floating nodes and the plurality of input capacitors. The plurality of storage control switches, coupled between the plurality of floating nodes and the plurality of storage capacitors, are configured to couple offset information of the plurality of input capacitors to the plurality of storage capacitors.Type: GrantFiled: May 29, 2019Date of Patent: June 1, 2021Assignee: NOVATEK Microelectronics Corp.Inventors: Kuo-Wei Cheng, Min Huang
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Publication number: 20200380231Abstract: A signal processing circuit for processing a sensing signal from a sensing circuit includes a plurality of input capacitors, an amplifier, an input switch group, a plurality of storage capacitors and a plurality of storage control switches. The plurality of input capacitors are configured to receive the sensing signal from one of a differential input nodes of the signal processing circuit and couple the sensing signal to a plurality of floating nodes. The amplifier, coupled to the plurality of floating nodes, is configured to amplify the sensing signal coupled from the plurality of floating nodes. The input switch group is coupled between the plurality of floating nodes and the plurality of input capacitors. The plurality of storage control switches, coupled between the plurality of floating nodes and the plurality of storage capacitors, are configured to couple offset information of the plurality of input capacitors to the plurality of storage capacitors.Type: ApplicationFiled: May 29, 2019Publication date: December 3, 2020Inventors: Kuo-Wei Cheng, Min Huang
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Patent number: 9725269Abstract: The present invention discloses a sheet winding structure to reduce indentation transfer occurring because of sheet thickness or adhesive colloidality of the innermost layer of the sheet. The sheet winding structure comprises: a winding core having an outer surface, wherein the outer surface of the winding core comprises a recess thereon; and a sheet winded over the outer surface of the winding core, wherein a beginning portion of the sheet is disposed in the recess.Type: GrantFiled: January 19, 2015Date of Patent: August 8, 2017Assignee: UBright Optronics CorporationInventors: Kuo Wei Cheng, Chien Chih Lai
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Publication number: 20160107858Abstract: The present invention discloses a sheet winding structure to reduce indentation transfer occurring because of sheet thickness or adhesive colloidality of the innermost layer of the sheet. The sheet winding structure comprises: a winding core having an outer surface, wherein the outer surface of the winding core comprises a recess thereon; and a sheet winded over the outer surface of the winding core, wherein a beginning portion of the sheet is disposed in the recess.Type: ApplicationFiled: January 19, 2015Publication date: April 21, 2016Inventors: KUO WEI CHENG, CHIEN CHIH LAI
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Patent number: 8704580Abstract: The present invention discloses a circuit sharing time delay integrator structure. The major composing elements of this circuit sharing time delay integrator structure are: a sharing circuit, a first control block, a plurality of second control blocks and a timing set generated by a timing generator circuit. The sharing circuit can be an OP-AMP, an active load, or any of a variety of combinations used in signal accumulation applications. With the implementation of the present invention to applications of signal accumulations, the necessity of an adder circuitry is eliminated, the overall circuitry and hence the total amount of transistors required when producing the integrated circuit is massively reduced, and thus a great cost reduction and better timing and power efficiency can all be thereof achieved.Type: GrantFiled: August 24, 2012Date of Patent: April 22, 2014Assignee: National Applied Research LaboratoriesInventors: Chin-Fong Chiu, Hann-Huei Tsai, Wen-Hsu Chang, Chih-Cheng Hsieh, Kuo-Wei Cheng
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Publication number: 20130335132Abstract: The present invention discloses a circuit sharing time delay integrator structure. The major composing elements of this circuit sharing time delay integrator structure are: a sharing circuit, a first control block, a plurality of second control blocks and a timing set generated by a timing generator circuit. The sharing circuit can be an OP-AMP, an active load, or any of a variety of combinations used in signal accumulation applications. With the implementation of the present invention to applications of signal accumulations, the necessity of an adder circuitry is eliminated, the overall circuitry and hence the total amount of transistors required when producing the integrated circuit is massively reduced, and thus a great cost reduction and better timing and power efficiency can all be thereof achieved.Type: ApplicationFiled: August 24, 2012Publication date: December 19, 2013Applicant: National Applied Research LaboratoriesInventors: Chin-Fong CHIU, Hann-Huei TSAI, Wen-Hsu CHANG, Chih-Cheng HSIEH, Kuo-Wei CHENG
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Publication number: 20070181434Abstract: A method of electrochemical deposition (ECD) provides a barrier and a seed layer on a substrate. The surfaces of the substrate are pre-treated before a metal layer is electrochemically deposited thereon in an electrochemical plating cell with a physical or a chemical surface treatment process. The electrochemical plating cell is covered by a cap to prevent evaporation of the electrolyte solution. The electrochemical plating cell includes a substrate holder assembly with a lift seal, e.g., with a contact angle ? less than 90° between the lift seal and the substrate. The substrate holder assembly includes a substrate chuck at the rear side of the substrate.Type: ApplicationFiled: April 6, 2007Publication date: August 9, 2007Inventors: Hsien-Ming Lee, Jing-Cheng Lin, Shing-Chyang Pan, Ming-Hsing Tsai, Hung-Wen Su, Shih-Wei Chou, Shau-Lin Shue, Kuo-Wei Cheng, Ting-Chu Ko
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Patent number: 7226860Abstract: A method of electrochemical deposition (ECD) provides a barrier and a seed layer on a substrate. The surfaces of the substrate are pre-treated before a metal layer is electrochemically deposited thereon in an electrochemical plating cell with a physical or a chemical surface treatment process. The electrochemical plating cell is covered by a cap to prevent evaporation of the electrolyte solution. The electrochemical plating cell includes a substrate holder assembly with a lift seal, e.g., with a contact angle ? less than 90° between the lift seal and the substrate. The substrate holder assembly includes a substrate chuck at the rear side of the substrate.Type: GrantFiled: April 28, 2004Date of Patent: June 5, 2007Assignee: Taiwan Semiconductor Manfacturing Co. Ltd.Inventors: Hsien-Ming Lee, Jing-Cheng Lin, Shing-Chyang Pan, Ming-Hsing Tsai, Hung-Wen Su, Shih-Wei Chou, Shau-Lin Shue, Kuo-Wei Cheng, Ting-Chu Ko
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Publication number: 20050245072Abstract: A method of electrochemical deposition (ECD) provides a barrier and a seed layer on a substrate. The surfaces of the substrate are pre-treated before a metal layer is electrochemically deposited thereon in an electrochemical plating cell with a physical or a chemical surface treatment process. The electrochemical plating cell is covered by a cap to prevent evaporation of the electrolyte solution. The electrochemical plating cell includes a substrate holder assembly with a lift seal, e.g., with a contact angle ? less than 90° between the lift seal and the substrate. The substrate holder assembly includes a substrate chuck at the rear side of the substrate.Type: ApplicationFiled: April 28, 2004Publication date: November 3, 2005Inventors: Hsien-Ming Lee, Jing-Cheng Lin, Shing-Chyang Pan, Ming-Hsing Tsai, Hung-Wen Su, Shih-Wei Chou, Shau-Lin Shue, Kuo-Wei Cheng, Ting-Chu Ko