Patents by Inventor Sung Uk SEO
Sung Uk 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: 20230073908Abstract: A speed sensitive type active hidden air curtain of a vehicle includes: hole opening or closing devices configured to cover or open an air hole of a bumper facing traveling wind with any one of a bumper interlocking device, a lamp interlocking device, and a hole color change device to guide air to a space formed between a bumper and a wheel; a power connection member interlocked with a deflector guiding the traveling wind under the bumper to move the hole opening or closing devices; and a supporter maintaining tension of the power connection member. The speed type active hidden air curtain thereby implements a clean and differentiated design image of the bumper and improves appearance quality thereof by covering the air hole exposed to the outside.Type: ApplicationFiled: June 17, 2022Publication date: March 9, 2023Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Tae-Hyung Kim, Hak-Lim Kim, Sang-Bong Lee, Sung-Uk Choi, Ji-Won 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: 11502697Abstract: An analog-to-digital converter circuit includes: a first operation amplifier suitable for comparing a ramp voltage and a voltage to be converted so as to produce an amplification result and outputting the amplification result; a second operation amplifier suitable for comparing the amplification result transferred to a first input terminal with a reference voltage transferred to a second input terminal so as to produce a comparison result and outputting the comparison result; a leakage current measurer suitable for measuring a leakage current to the first input terminal; and a leakage current generator suitable for causing a current of the same amount as that of the leakage current measured by the leakage current measurer to flow to the second input terminal.Type: GrantFiled: January 7, 2021Date of Patent: November 15, 2022Assignee: SK hynix Inc.Inventors: Sung Uk Seo, Han Sang Kim, Yu Jin Park, Jeong Eun Song, Min Seok Shin
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Patent number: 11477408Abstract: An image sensor including a pixel of a first tap. a pixel of a second tap. an operational amplifier configured to perform an auto zeroing operation with a pixel signal of the pixel of the second tap applied, and perform an operation for comparison between a ramp voltage and a signal output from the pixel of the first tap, with a pixel signal of the pixel of the first tap applied, and a counter circuit configured to generate a digital code in response to an output of the operational amplifier.Type: GrantFiled: April 8, 2021Date of Patent: October 18, 2022Assignee: SK hynix Inc.Inventors: Jeong Eun Song, Yu Jin Park, Sung Uk Seo, Min Seok Shin
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Publication number: 20220329746Abstract: An image sensing device includes a first sampling circuit suitable for sampling a reference ramp signal as a ramp signal; a switching circuit suitable for sequentially outputting first and second pixel signals to a common node based on first and second control signals; a second sampling circuit suitable for sampling the first and second pixel signals, which are sequentially outputted through the common node, as a measurement signal; a comparison circuit suitable for comparing the ramp signal with the measurement signal and generating a comparison signal corresponding to a comparison result; and a count circuit suitable for generating a count signal, which corresponds to a voltage level of the measurement signal, based on the comparison signal and a clock signal.Type: ApplicationFiled: November 26, 2021Publication date: October 13, 2022Inventors: Jeong Eun SONG, Oh Jun KWON, Yu Jin PARK, Sung Uk SEO, Min Seok SHIN, Sun Young 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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Publication number: 20220256107Abstract: An image sensor includes: a pixel of a first tab; a pixel of a second tab; an operation amplifier suitable for comparing, in a comparison operation, a pixel signal of the first tab and a pixel signal of the second tab with each other to produce a comparison result, receiving, in an auto-zeroing operation, a ramp voltage and a selected pixel signal which is selected based on the comparison result between the pixel signal of the first tab and the pixel signal of the second tab, and receiving, in an analog-to-digital conversion operation, the ramp voltage and an unselected pixel signal which is not selected from the pixel signal of the first tab and the second pixel signal of the second tab; and a counter circuit suitable for generating a digital code based on an output of the operation amplifier.Type: ApplicationFiled: June 30, 2021Publication date: August 11, 2022Inventors: Hoo Chan LEE, Min Seok SHIN, Sung Uk SEO, Jeong Eun SONG
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Publication number: 20220232185Abstract: An image sensing device includes a pixel array including a unit pixel suitable to transfer and store charges in response to a transfer signal and read out a pixel signal corresponding to the stored charges in response to a selection signal provided to the unit pixel; a signal converter suitable for comparing the pixel signal with a ramp signal based on a switch signal to generate a distance information signal; and a signal controller suitable for generating the switch signal for initializing the signal converter in a temporal section where the pixel signal is read out.Type: ApplicationFiled: July 7, 2021Publication date: July 21, 2022Inventors: Jeong Eun SONG, Yu Jin PARK, Sung Uk SEO, Min Seok SHIN, Hoo Chan LEE
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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: 20220124276Abstract: Disclosed is an image sensing device including a first clock distributor suitable for receiving a first input dock signal through a first input terminal, and outputting a plurality of first output clock signals through a plurality of first output terminals, and a first conductive line coupled in common to the plurality of first output terminals.Type: ApplicationFiled: April 5, 2021Publication date: April 21, 2022Inventors: Jeong Eun SONG, Min Seok SHIN, Yu Jin PARK, Sung Uk SEO, Sun Young LEE
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Publication number: 20220116563Abstract: An image sensor including a pixel of a first tap. a pixel of a second tap. an operational amplifier configured to perform an auto zeroing operation with a pixel signal of the pixel of the second tap applied, and perform an operation for comparison between a ramp voltage and a signal output from the pixel of the first tap, with a pixel signal of the pixel of the first tap applied, and a counter circuit configured to generate a digital code in response to an output of the operational amplifier.Type: ApplicationFiled: April 8, 2021Publication date: April 14, 2022Inventors: Jeong Eun SONG, Yu Jin PARK, Sung Uk SEO, Min Seok SHIN
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Publication number: 20220077870Abstract: An analog-to-digital converter circuit includes: a first operation amplifier suitable for comparing a ramp voltage and a voltage to be converted so as to produce an amplification result and outputting the amplification result; a second operation amplifier suitable for comparing the amplification result transferred to a first input terminal with a reference voltage transferred to a second input terminal so as to produce a comparison result and outputting the comparison result; a leakage current measurer suitable for measuring a leakage current to the first input terminal; and a leakage current generator suitable for causing a current of the same amount as that of the leakage current measured by the leakage current measurer to flow to the second input terminal.Type: ApplicationFiled: January 7, 2021Publication date: March 10, 2022Inventors: Sung Uk SEO, Han Sang KIM, Yu Jin PARK, Jeong Eun SONG, Min Seok 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