Patents by Inventor Kyuik CHO
Kyuik CHO 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: 11924565Abstract: An image sensor includes a pixel array, a row driver, a detector, an analog-to-digital converter and a controller. The pixel array includes a pixel area including a pixel and a dummy area including a monitoring circuit. The dummy area is disposed on a same substrate as the pixel area. The dummy area is disposed adjacent to the pixel area. The row driver is configured to output a driving signal to the pixel and the monitoring circuit. The detector is configured to receive a monitoring signal from the monitoring circuit. The analog-to-digital converter is configured to receive an analog signal corresponding to an incident light from the pixel and to convert the analog signal to a digital signal. The controller is configured to control the row driver and the analog-to-digital converter.Type: GrantFiled: March 20, 2023Date of Patent: March 5, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hoyong Na, Shinyeol Choi, Kyuik Cho
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Publication number: 20230273666Abstract: An interface circuit including: a first transmission circuit outputting a first signal to a transmission line via first transfer pads; and a second transmission circuit outputting a second signal to the transmission line via second transfer pads, the first transmission circuit includes a first termination resistor block including a switch and a first termination resistor connected between the first transfer pads, the second transmission circuit includes a second termination resistor block including a switch and a second termination resistor connected between the second transfer pads, and when the first transmission circuit outputs the first signal, the second termination resistor block detects the first signal, and when the first transmission circuit is in a low-power operation mode, the second termination resistor block disconnects the second termination resistor, and when the first transmission circuit is in a high-speed data transfer mode, the second termination resistor block connects the second terminatiType: ApplicationFiled: May 3, 2023Publication date: August 31, 2023Inventors: Chaeryung KIM, Kiwoon KIM, Jiun JEONG, Hoyoung KIM, Dongjun PARK, Dongyoung SONG, Kyuik CHO, Gyeonghan CHA
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Publication number: 20230247319Abstract: An image sensor includes a pixel array, a row driver, a detector, an analog-to-digital converter and a controller. The pixel array includes a pixel area including a pixel and a dummy area including a monitoring circuit. The dummy area is disposed on a same substrate as the pixel area. The dummy area is disposed adjacent to the pixel area. The row driver is configured to output a driving signal to the pixel and the monitoring circuit. The detector is configured to receive a monitoring signal from the monitoring circuit. The analog-to-digital converter is configured to receive an analog signal corresponding to an incident light from the pixel and to convert the analog signal to a digital signal. The controller is configured to control the row driver and the analog-to-digital converter.Type: ApplicationFiled: March 20, 2023Publication date: August 3, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hoyong NA, Shinyeol Choi, Kyuik Cho
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Patent number: 11687143Abstract: An interface circuit including: a first transmission circuit outputting a first signal to a transmission line via first transfer pads; and a second transmission circuit outputting a second signal to the transmission line via second transfer pads, the first transmission circuit includes a first termination resistor block including a switch and a first termination resistor connected between the first transfer pads, the second transmission circuit includes a second termination resistor block including a switch and a second termination resistor connected between the second transfer pads, and when the first transmission circuit outputs the first signal, the second termination resistor block detects the first signal, and when the first transmission circuit is in a low-power operation mode, the second termination resistor block disconnects the second termination resistor, and when the first transmission circuit is in a high-speed data transfer mode, the second termination resistor block connects the second terminatiType: GrantFiled: September 24, 2021Date of Patent: June 27, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chaeryung Kim, Kiwoon Kim, Jiun Jeong, Hoyoung Kim, Dongjun Park, Dongyoung Song, Kyuik Cho, Gyeonghan Cha
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Patent number: 11627265Abstract: An image sensor includes a pixel array, a row driver, a detector, an analog-to-digital converter and a controller. The pixel array includes a pixel area including a pixel and a dummy area including a monitoring circuit. The dummy area is disposed on a same substrate as the pixel area. The dummy area is disposed adjacent to the pixel area. The row driver is configured to output a driving signal to the pixel and the monitoring circuit. The detector is configured to receive a monitoring signal from the monitoring circuit. The analog-to-digital converter is configured to receive an analog signal corresponding to an incident light from the pixel and to convert the analog signal to a digital signal. The controller is configured to control the row driver and the analog-to-digital converter.Type: GrantFiled: September 29, 2020Date of Patent: April 11, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hoyong Na, Shinyeol Choi, Kyuik Cho
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Patent number: 11423851Abstract: A driver circuit of an image sensor is provided. The driver circuit includes a row decoder to decode an address of a target row of a pixel array and generate an operation directing signal corresponding to the target row; a digital logic circuit including: a target row logic circuit to generate a pixel control signal based on the operation directing signal; a power switch configured to connect a power supply voltage to the target row logic circuit during a first time and isolate the power supply voltage from the target row logic circuit during a second time, based on the operation directing signal; and an output circuit configured to output a default signal during the second time; and a row driver configured to drive the target row based on the pixel control signal during the first time and drive the target row based on the default signal during the second time.Type: GrantFiled: July 28, 2020Date of Patent: August 23, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyuik Cho, Jaejung Park
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Publication number: 20220245084Abstract: An interface circuit including: a first transmission circuit outputting a first signal to a transmission line via first transfer pads; and a second transmission circuit outputting a second signal to the transmission line via second transfer pads, the first transmission circuit includes a first termination resistor block including a switch and a first termination resistor connected between the first transfer pads, the second transmission circuit includes a second termination resistor block including a switch and a second termination resistor connected between the second transfer pads, and when the first transmission circuit outputs the first signal, the second termination resistor block detects the first signal, and when the first transmission circuit is in a low-power operation mode, the second termination resistor block disconnects the second termination resistor, and when the first transmission circuit is in a high-speed data transfer mode, the second termination resistor block connects the second terminatiType: ApplicationFiled: September 24, 2021Publication date: August 4, 2022Inventors: Chaeryung KIM, Kiwoon KIM, Jiun JEONG, Hoyoung KIM, Dongjun PARK, Dongyoung SONG, Kyuik CHO, Gyeonghan CHA
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Publication number: 20210274159Abstract: An image sensor includes a pixel array, a row driver, a detector, an analog-to-digital converter and a controller. The pixel array includes a pixel area including a pixel and a dummy area including a monitoring circuit. The dummy area is disposed on a same substrate as the pixel area. The dummy area is disposed adjacent to the pixel area. The row driver is configured to output a driving signal to the pixel and the monitoring circuit. The detector is configured to receive a monitoring signal from the monitoring circuit. The analog-to-digital converter is configured to receive an analog signal corresponding to an incident light from the pixel and to convert the analog signal to a digital signal. The controller is configured to control the row driver and the analog-to-digital converter.Type: ApplicationFiled: September 29, 2020Publication date: September 2, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hoyong NA, Shinyeol CHOI, Kyuik CHO
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Publication number: 20210201835Abstract: A driver circuit of an image sensor is provided. The driver circuit includes a row decoder to decode an address of a target row of a pixel array and generate an operation directing signal corresponding to the target row; a digital logic circuit including: a target row logic circuit to generate a pixel control signal based on the operation directing signal; a power switch configured to connect a power supply voltage to the target row logic circuit during a first time and isolate the power supply voltage from the target row logic circuit during a second time, based on the operation directing signal; and an output circuit configured to output a default signal during the second time; and a row driver configured to drive the target row based on the pixel control signal during the first time and drive the target row based on the default signal during the second time.Type: ApplicationFiled: July 28, 2020Publication date: July 1, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyuik CHO, Jaejung PARK
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Patent number: 10129492Abstract: An image sensor capable of implementing a global shutter mode and a rolling shutter mode is provided. The image sensor includes a row driver, a pixel array, an analog-to-digital converter, and an output compensating circuit. The row driver performs decoding for a reset operation, a transfer operation and a read operation, and generates control signals. The pixel array, in a rolling shutter mode, performs the transfer operation on a second row group while the read operation for a first row group is performed, and receives an optical signal, converts the optical signal to electrical signal, and outputs the electrical signal as an image signal in response to the control signals.Type: GrantFiled: July 12, 2017Date of Patent: November 13, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyuik Cho, Se-Jun Kim, Youngtae Jang, Jinho Seo, Sung-Ho Suh
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Publication number: 20170318242Abstract: An image sensor capable of implementing a global shutter mode and a rolling shutter mode is provided. The image sensor includes a row driver, a pixel array, an analog-to-digital converter, and an output compensating circuit. The row driver performs decoding for a reset operation, a transfer operation and a read operation, and generates control signals. The pixel array, in a rolling shutter mode, performs the transfer operation on a second row group while the read operation for a first row group is performed, and receives an optical signal, converts the optical signal to electrical signal, and outputs the electrical signal as an image signal in response to the control signals.Type: ApplicationFiled: July 12, 2017Publication date: November 2, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyuik CHO, Se-Jun KIM, Youngtae JANG, Jinho SEO, Sung-Ho SUH
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Patent number: 9723239Abstract: An image sensor capable of implementing a global shutter mode and a rolling shutter mode is provided. The image sensor includes a row driver, a pixel array, an analog-to-digital converter, and an output compensating circuit. The row driver performs decoding for a reset operation, a transfer operation and a read operation, and generates control signals. The pixel array, in a rolling shutter mode, performs the transfer operation on a second row group while the read operation for a first row group is performed, and receives an optical signal, converts the optical signal to electrical signal, and outputs the electrical signal as an image signal in response to the control signals.Type: GrantFiled: July 13, 2015Date of Patent: August 1, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyuik Cho, Se-Jun Kim, Youngtae Jang, Jinho Seo, Sung-Ho Suh
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Publication number: 20160142653Abstract: An image sensor capable of implementing a global shutter mode and a rolling shutter mode is provided. The image sensor includes a row driver, a pixel array, an analog-to-digital converter, and an output compensating circuit. The row driver performs decoding for a reset operation, a transfer operation and a read operation, and generates control signals. The pixel array, in a rolling shutter mode, performs the transfer operation on a second row group while the read operation for a first row group is performed, and receives an optical signal, converts the optical signal to electrical signal, and outputs the electrical signal as an image signal in response to the control signals.Type: ApplicationFiled: July 13, 2015Publication date: May 19, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyuik CHO, Se-Jun KIM, Youngtae JANG, Jinho SEO, Sung-Ho SUH