Patents by Inventor Kang-Bong SEO
Kang-Bong SEO 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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Publication number: 20240129648Abstract: An image sensing device includes: a control circuit coupled between an output terminal of a pixel signal and a high voltage terminal, and configured to generate a control voltage corresponding to a voltage level of the pixel signal; and a current supplying circuit coupled between the output terminal and the high voltage terminal, and configured to supply a pre-charge current, which is configured to be adaptively adjusted according to the voltage level of the pixel signal, to the output terminal based on the control voltage.Type: ApplicationFiled: December 21, 2023Publication date: April 18, 2024Inventors: Yu Jin PARK, Nam Ryeol KIM, Kang Bong SEO, Jeong Eun SONG, Jung Soon SHIN, Seung Hwan LEE
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Patent number: 11895418Abstract: An image sensing device includes: a control circuit coupled between an output terminal of a pixel signal and a high voltage terminal, and configured to generate a control voltage corresponding to a voltage level of the pixel signal; and a current supplying circuit coupled between the output terminal and the high voltage terminal, and configured to supply a pre-charge current, which is configured to be adaptively adjusted according to the voltage level of the pixel signal, to the output terminal based on the control voltage.Type: GrantFiled: September 7, 2021Date of Patent: February 6, 2024Assignee: SK hynix Inc.Inventors: Yu Jin Park, Nam Ryeol Kim, Kang Bong Seo, Jeong Eun Song, Jung Soon Shin, Seung Hwan Lee
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Patent number: 11750933Abstract: Disclosed is an image sensing device including a first pixel group including at least one first half-shading pixel and at least one first normal pixel, and an image processor suitable for using a first pixel signal, which is generated from the first half-shading pixel during a first period, as phase information, and using a first pixel signal, which is generated from the first half-shading pixel during a second period, as dynamic range information.Type: GrantFiled: April 23, 2021Date of Patent: September 5, 2023Assignee: SK hynix Inc.Inventors: Yu Jin Park, Jae Hyun Im, Nam Ryeol Kim, Tae Hyun Kim, Seong Hee Park, Kang Bong Seo, Jung Soon Shin
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Patent number: 11647308Abstract: An analog-to-digital converting circuit includes: an analog-to-digital converter suitable for performing an analog-to-digital conversion on pixel signals of a plurality of pixels provided in a pixel array; a ramp signal generator suitable for providing a ramp signal to the analog-to-digital converter; and an auto-zero controller suitable for providing a reference voltage to the analog-to-digital converter to perform an auto-zeroing operation by using a row pixel for which a readout operation is performed by the analog-to-digital converter.Type: GrantFiled: January 12, 2022Date of Patent: May 9, 2023Assignee: SK hynix Inc.Inventors: Jin Uk Jeon, Oh Jun Kwon, Jin Seon Kim, Hak Soon Kim, Han Sang Kim, Kang Bong Seo, Sung Uk Seo, Jeong Eun Song, Min Seok Shin, Sun Young Lee, Eun Chang Lee, Hoo Chan Lee
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Patent number: 11611717Abstract: An image sensing device includes at least one unit pixel including a plurality of pixels for generating a plurality of pixel signals based on a plurality of control signals having different phases, and an equalizing circuit suitable for equalizing noise that occurs in the plurality of pixels during a reset operation on the unit pixel.Type: GrantFiled: August 5, 2020Date of Patent: March 21, 2023Assignee: SK hynix Inc.Inventors: Yu Jin Park, Jeong Eun Song, Kang Bong Seo, Min Seok Shin, Jae Hyung Jang
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Patent number: 11587961Abstract: An image sensor is disclosed, which relates to technology for detecting the distance to a target object. The image sensor includes a first tap configured to capture and accumulate signal carriers, and a second tap spaced apart a set distance from the first tap. The first tap and the second tap are disposed in a diagonal direction at opposite vertex regions of a unit pixel.Type: GrantFiled: September 4, 2020Date of Patent: February 21, 2023Assignee: SK hynix Inc.Inventors: Yu Jin Park, Kang Bong Seo, Nam Ryeol Kim, Jung Soon Shin
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Patent number: 11570386Abstract: Disclosed is an image sensing device and an operating method thereof, and the image sensing device may include a first unit pixel circuit disposed in a first row, including a first floating diffusion node, and suitable for outputting a first pixel signal through a column line, a second unit pixel circuit disposed in a second row, including a second floating diffusion node, and suitable for outputting a second pixel signal through the column line, and a first coupling circuit suitable for selectively coupling the first floating diffusion node to the second floating diffusion node based on a first mode control signal.Type: GrantFiled: March 24, 2021Date of Patent: January 31, 2023Assignee: SK hynix Inc.Inventors: Jung Soon Shin, Nam Ryeol Kim, Yu Jin Park, Kang Bong Seo
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Publication number: 20220368846Abstract: An analog-to-digital converting circuit includes: an analog-to-digital converter suitable for performing an analog-to-digital conversion on pixel signals of a plurality of pixels provided in a pixel array; a ramp signal generator suitable for providing a ramp signal to the analog-to-digital converter; and an auto-zero controller suitable for providing a reference voltage to the analog-to-digital converter to perform an auto-zeroing operation by using a row pixel for which a readout operation is performed by the analog-to-digital converter.Type: ApplicationFiled: January 12, 2022Publication date: November 17, 2022Inventors: Jin Uk JEON, Oh Jun KWON, Jin Seon KIM, Hak Soon KIM, Han Sang KIM, Kang Bong SEO, Sung Uk SEO, Jeong Eun SONG, Min Seok SHIN, Sun Young LEE, Eun Chang LEE, Hoo Chan LEE
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Patent number: 11463635Abstract: Disclosed is an image sensing device and an operating method thereof, and the image sensing device may include a light detection circuit coupled between a low voltage terminal and a first node, a first transmission circuit coupled between the first node and a second node, a storage circuit coupled between the second node and a third node, a first coupling circuit coupled between the third node and a high voltage terminal, a second transmission circuit coupled between the third node and the first node, and a second coupling circuit coupled between the second node and the high voltage terminal.Type: GrantFiled: August 18, 2020Date of Patent: October 4, 2022Assignee: SK hynix Inc.Inventors: Yu Jin Park, Han Sang Kim, Kang Bong Seo, Jeong Eun Song, Min Seok Shin, Jung Soon Shin
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Publication number: 20220286637Abstract: An image sensing device includes: a control circuit coupled between an output terminal of a pixel signal and a high voltage terminal, and configured to generate a control voltage corresponding to a voltage level of the pixel signal; and a current supplying circuit coupled between the output terminal and the high voltage terminal, and configured to supply a pre-charge current, which is configured to be adaptively adjusted according to the voltage level of the pixel signal, to the output terminal based on the control voltage.Type: ApplicationFiled: September 7, 2021Publication date: September 8, 2022Inventors: Yu Jin PARK, Nam Ryeol KIM, Kang Bong SEO, Jeong Eun SONG, Jung Soon SHIN, Seung Hwan LEE
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Publication number: 20220279139Abstract: An image sensor includes: a normal pixel which outputs pixel data; a plurality of dummy pixels each of which outputs a reset signal; and an analog-to-digital conversion circuit suitable for analog-to-digital converting the pixel data based on the pixel data and an average value of the reset signals.Type: ApplicationFiled: July 7, 2021Publication date: September 1, 2022Inventors: Sung Uk SEO, Min Seok SHIN, Oh Jun KWON, Han Sang KIM, Kang Bong SEO, Jeong Eun SONG
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Patent number: 11394915Abstract: Disclosed are an image sensing device and an operating method thereof, and the image sensing device may include a charge sensing element suitable for generating first charges, which correspond to incident light, based on a photo control signal; a reset element suitable for resetting the charge sensing element based on a reset signal; a floating diffusion node suitable for accumulating the first charges; a compensation element suitable for selectively supplying a compensation current to the floating diffusion node based on a compensation control signal; and a selection element suitable for outputting a pixel signal, which corresponds to a voltage on the floating diffusion node, to a readout line based on a selection signal.Type: GrantFiled: September 16, 2020Date of Patent: July 19, 2022Assignee: SK hynix Inc.Inventors: Yu Jin Park, Nam Ryeol Kim, Kang Bong Seo, Sung Uk Seo, Jung Soon Shin
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Publication number: 20220141378Abstract: Disclosed is an image sensing device including a first pixel group including at least one first half-shading pixel and at least one first normal pixel, and an image processor suitable for using a first pixel signal, which is generated from the first half-shading pixel during a first period, as phase information, and using a first pixel signal, which is generated from the first half-shading pixel during a second period, as dynamic range information.Type: ApplicationFiled: April 23, 2021Publication date: May 5, 2022Inventors: Yu Jin PARK, Jae Hyun IM, Nam Ryeol KIM, Tae Hyun KIM, Seong Hee PARK, Kang Bong SEO, Jung Soon SHIN
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Publication number: 20220124266Abstract: Disclosed is an image sensing device and an operating method thereof, and the image sensing device may include a first unit pixel circuit disposed in a first row, including a first floating diffusion node, and suitable for outputting a first pixel signal through a column line, a second unit pixel circuit disposed in a second row, including a second floating diffusion node, and suitable for outputting a second pixel signal through the column line, and a first coupling circuit suitable for selectively coupling the first floating diffusion node to the second floating diffusion node based on a first mode control signal,Type: ApplicationFiled: March 24, 2021Publication date: April 21, 2022Inventors: Jung Soon SHIN, Nam Ryeol KIM, Yu Jin PARK, Kang Bong SEO
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Patent number: 11258969Abstract: An image sensor includes: first lines transferring a first clock having the same phase as that of modulated light in a first phase and a third clock having a phase difference of a ½ cycle from the phase of the modulated light in a second phase; second lines transferring the third clock in the first phase and the first clock in the second phase; third lines transferring a second clock having a phase difference of a ¼ cycle from the phase of the modulated light in the first phase and a fourth clock having a phase difference of a ¾ cycle from the phase of the modulated light in the second phase; fourth lines transferring the fourth clock in the first phase and the second clock in the second phase; and a pixel array including first pixels and second pixels that are alternately arranged in row and column directions.Type: GrantFiled: June 11, 2021Date of Patent: February 22, 2022Assignee: SK hynix Inc.Inventors: Min Seok Shin, Hak Soon Kim, Han Sang Kim, Kang Bong Seo
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Publication number: 20210335868Abstract: An image sensor is disclosed, which relates to technology for detecting the distance to a target object. The image sensor includes a first tap configured to capture and accumulate signal carriers, and a second tap spaced apart a set distance from the first tap. The first tap and the second tap are disposed in a diagonal direction at opposite vertex regions of a unit pixel.Type: ApplicationFiled: September 4, 2020Publication date: October 28, 2021Inventors: Yu Jin PARK, Kang Bong SEO, Nam Ryeol KIM, Jung Soon SHIN
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Publication number: 20210314511Abstract: Disclosed are an image sensing device and an operating method thereof, and the image sensing device may include a charge sensing element suitable for generating first charges, which correspond to incident light, based on a photo control signal; a reset element suitable for resetting the charge sensing element based on a reset signal; a floating diffusion node suitable for accumulating the first charges; a compensation element suitable for selectively supplying a compensation current to the floating diffusion node based on a compensation control signal; and a selection element suitable for outputting a pixel signal, which corresponds to a voltage on the floating diffusion node, to a readout line based on a selection signal.Type: ApplicationFiled: September 16, 2020Publication date: October 7, 2021Inventors: Yu Jin PARK, Nam Ryeol KIM, Kang Bong SEO, Sung Uk SEO, Jung Soon SHIN
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Publication number: 20210289152Abstract: Disclosed is an image sensing device and an operating method thereof, and the image sensing device may include a light detection circuit coupled between a low voltage terminal and a first node, a first transmission circuit coupled between the first node and a second node, a storage circuit coupled between the second node and a third node, a first coupling circuit coupled between the third node and a high voltage terminal, a second transmission circuit coupled between the third node and the first node, and a second coupling circuit coupled between the second node and the high voltage terminal.Type: ApplicationFiled: August 18, 2020Publication date: September 16, 2021Inventors: Yu Jin PARK, Han Sang KIM, Kang Bong SEO, Jeong Eun SONG, Min Seok SHIN, Jung Soon SHIN
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Publication number: 20210281785Abstract: An image sensing device includes at least one unit pixel including a plurality of pixels for generating a plurality of pixel signals based on a plurality of control signals having different phases, and an equalizing circuit suitable for equalizing noise that occurs in the plurality of pixels during a reset operation on the unit pixel.Type: ApplicationFiled: August 5, 2020Publication date: September 9, 2021Inventors: Yu Jin PARK, Jeong Eun SONG, Kang Bong SEO, Min Seok SHIN, Jae Hyung JANG
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Patent number: 10673227Abstract: A system level electrostatic discharge (ESD) detection device includes a phase detection unit including at least one phase detector suitable for detecting a phase difference between a plurality of supply voltages or between a plurality of input signals; a storage unit suitable for shifting between a first and a second state, the second state indicating a phase difference detected by the phase detection unit; and an output unit suitable for outputting a system level electrostatic discharge (ESD) detection signal according to the first or second state of the storage unit.Type: GrantFiled: August 11, 2017Date of Patent: June 2, 2020Assignee: SK hynix Inc.Inventors: Sung-Ryong Lee, Kang-Bong Seo, Ik-Seok Yang