Patents by Inventor Jae-Cheol Yun
Jae-Cheol Yun 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).
-
Publication number: 20240105991Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.Type: ApplicationFiled: January 21, 2022Publication date: March 28, 2024Inventors: Min Jung JANG, Min Goo KIM, Young Rok LIM, Ji Young CHOI, Sang Ho LEE, Wan Chul KANG, Jong Cheol YUN, Ji Seong HAN, Hee Jeong RYU, Jae Won CHUNG
-
Publication number: 20240097188Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.Type: ApplicationFiled: January 21, 2022Publication date: March 21, 2024Inventors: Min Jung JANG, Min Goo KIM, Young Rok LIM, Ji Young CHOI, Sang Ho LEE, Wan Chul KANG, Jong Cheol YUN, Ji Seong HAN, Hee Jeong RYU, Jae Won CHUNG
-
Publication number: 20240097190Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.Type: ApplicationFiled: January 21, 2022Publication date: March 21, 2024Inventors: Min Jung JANG, Min Goo KIM, Young Rok LIM, Ji Young CHOI, Sang Ho LEE, Wan Chul KANG, Jong Cheol YUN, Ji Seong HAN, Hee Jeong RYU, Jae Won CHUNG
-
Publication number: 20240097189Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.Type: ApplicationFiled: January 21, 2022Publication date: March 21, 2024Inventors: Min Jung JANG, Min Goo KIM, Young Rok LIM, Ji Young CHOI, Sang Ho LEE, Wan Chul KANG, Jong Cheol YUN, Ji Seong HAN, Hee Jeong RYU, Jae Won CHUNG
-
Patent number: 10623677Abstract: An image sensor is provided. The image sensor includes a pixel configured to generate a reset signal and an image signal, a comparator configured to compare the reset signal with a reference signal and generate a first comparison signal, a counter configured to generate a first count value corresponding to the reset signal based on a clock signal and the first comparison signal, and a reference signal generator configured to generate the reference signal which changes between a first level corresponding to a maximum reset count value of the counter and a second level corresponding to a minimum reset count value of the counter during a reset signal period.Type: GrantFiled: July 22, 2019Date of Patent: April 14, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyoung Min Koh, Jae Jin Jung, Moo Young Kim, Jae Cheol Yun, Seung Jin Lee
-
Publication number: 20190349545Abstract: An image sensor is provided. The image sensor includes a pixel configured to generate a reset signal and an image signal, a comparator configured to compare the reset signal with a reference signal and generate a first comparison signal, a counter configured to generate a first count value corresponding to the reset signal based on a clock signal and the first comparison signal, and a reference signal generator configured to generate the reference signal which changes between a first level corresponding to a maximum reset count value of the counter and a second level corresponding to a minimum reset count value of the counter during a reset signal period.Type: ApplicationFiled: July 22, 2019Publication date: November 14, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyoung Min KOH, Jae Jin Jung, Moo Young Kim, Jae Cheol Yun, Seung Jin Lee
-
Patent number: 10362253Abstract: An image sensor is provided. The image sensor includes a pixel configured to generate a reset signal and an image signal, a comparator configured to compare the reset signal with a reference signal and generate a first comparison signal, a counter configured to generate a first count value corresponding to the reset signal based on a clock signal and the first comparison signal, and a reference signal generator configured to generate the reference signal which changes between a first level corresponding to a maximum reset count value of the counter and a second level corresponding to a minimum reset count value of the counter during a reset signal period.Type: GrantFiled: December 2, 2015Date of Patent: July 23, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyoung Min Koh, Jae Jin Jung, Moo Young Kim, Jae Cheol Yun, Seung Jin Lee
-
Patent number: 10205905Abstract: An image sensor includes a pixel array in which a plurality of pixels, first and second row selection lines separated from each other, and first and second column lines separated from each other are disposed and a column selecting circuit configured to connect the first and second column lines using a column selection signal. The pixel array includes a first pixel which is connected to the first row selection line and the first column line and a second pixel which is disposed in the same row as the first pixel and connected to the second row selection line and the second column line.Type: GrantFiled: January 3, 2018Date of Patent: February 12, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Kyoung-Min Koh, Ju-Hyun Ko, Han Yang, Jae-Cheol Yun, Kwang-Hyun Lee, Seon-Ju Lee
-
Patent number: 10200645Abstract: An image sensor is disclosed. The image sensor includes a plurality of pixels, a switch circuit coupled to the pixels and configured to substantially simultaneously output signals output only from pixels having similar characteristics among the pixels in response to a control signal; and a comparison circuit configured to convert the signals output from the switch circuit into digital signals. The pixels having similar characteristics are located across among the plurality of pixels.Type: GrantFiled: December 10, 2015Date of Patent: February 5, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Kyoung Min Koh, Ju Ha Kim, Jae Cheol Yun
-
Publication number: 20180131887Abstract: An image sensor includes a pixel array in which a plurality of pixels, first and second row selection lines separated from each other, and first and second column lines separated from each other are disposed and a column selecting circuit configured to connect the first and second column lines using a column selection signal. The pixel array includes a first pixel which is connected to the first row selection line and the first column line and a second pixel which is disposed in the same row as the first pixel and connected to the second row selection line and the second column line.Type: ApplicationFiled: January 3, 2018Publication date: May 10, 2018Applicant: Samsung Electronics Co., Ltd.Inventors: Kyoung-Min Koh, Ju-Hyun Ko, Han Yang, Jae-Cheol Yun, Kwang-Hyun Lee, Seon-Ju Lee
-
Publication number: 20170347045Abstract: Provided are an image sensor and a method of driving the same. The image sensor includes n optical black pixels which are arranged in the same horizontal line; and m comparators which are matched with the n optical black pixels, wherein n is a natural number greater than or equal to two, and m is a natural number greater than n.Type: ApplicationFiled: August 17, 2017Publication date: November 30, 2017Inventors: Kyoung-Min KOH, Kwang-Hyun LEE, Ju-Ha KIM, Han YANG, Jae-Cheol YUN
-
Patent number: 9769405Abstract: An image sensor includes a pixel array including a plurality of pixels, a row driver configured to control an operation of each of the plurality of pixels, a voltage supply line connected to a reset transistor included in each of the plurality of pixels, and a voltage supply circuit which detects a signal from the voltage supply line and supplies one of a first voltage and a second voltage to the voltage supply line based on the signal from the voltage supply line.Type: GrantFiled: August 5, 2014Date of Patent: September 19, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyoung Min Koh, Kwang Hyun Lee, Shin Hoo Kim, Ju Ha Kim, Ji Yong Kim, Seok Yong Park, Jae Cheol Yun, Jae Jin Jung, Woong Joo
-
Patent number: 9769402Abstract: Provided are an image sensor and a method of driving the same. The image sensor includes n optical black pixels which are arranged in the same horizontal line; and m comparators which are matched with the n optical black pixels, wherein n is a natural number greater than or equal to two, and m is a natural number greater than n.Type: GrantFiled: July 30, 2014Date of Patent: September 19, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyoung-Min Koh, Kwang-Hyun Lee, Ju-Ha Kim, Han Yang, Jae-Cheol Yun
-
Patent number: 9723238Abstract: An image processing device includes a switch signal generator, an amplifier, a ramp generator, and an attenuation control circuit. The switch signal generator generates switch control signals based on a level of an image signal that corresponds to a pixel signal output from a pixel. The amplifier includes a first input terminal and a second input terminal. The ramp generator generates a ramp signal. The attenuation control circuit adjusts an arrangement of capacitors according to the switch control signals to control whether to attenuate each of the pixel signal and the ramp signal, and transmits signals generated as a result of the adjusted arrangement to the first input terminal and the second input terminal.Type: GrantFiled: June 4, 2015Date of Patent: August 1, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jung Ho Lee, Hae Sick Sul, Sin Hwan Lim, Kyung Min Kim, Ho Jin Park, Jae Cheol Yun, Michael Choi
-
Patent number: 9712773Abstract: There are provided an image sensor and a stacked structure thereof. The image sensor includes a pixel array in which a plurality of unit pixels for generating an output signal in accordance with incident light are arranged, a first amplifier having a first input dynamic range, and a second amplifier having a second input dynamic range that is larger than the first input dynamic range. One of the first and second amplifiers amplifies the output signal in accordance with the intensity of light.Type: GrantFiled: February 6, 2015Date of Patent: July 18, 2017Assignee: Samsung Electronics Co., Ltd.Inventors: Sin-hwan Lim, Jung-ho Lee, Hae-sick Sul, Jae-cheol Yun, Michael Choi
-
Patent number: 9693001Abstract: A method of operating an image processing system includes storing differences between first analog pixel signals and second analog pixel signals and converting the stored differences to one-bit digital signals, the first analog pixel signals being output from a plurality of pixels and corresponding to a previous frame, and the second analog pixel signals being output from the plurality of pixels and corresponding to a current frame.Type: GrantFiled: August 11, 2016Date of Patent: June 27, 2017Assignee: Samsung Electronics Co., Ltd.Inventors: Moo Young Kim, Tae Chan Kim, Jae Cheol Yun, Seog Heon Ham
-
Publication number: 20170134681Abstract: An image sensor includes a pixel array in which a plurality of pixels, first and second row selection lines separated from each other, and first and second column lines separated from each other are disposed and a column selecting circuit configured to connect the first and second column lines using a column selection signal. The pixel array includes a first pixel which is connected to the first row selection line and the first column line and a second pixel which is disposed in the same row as the first pixel and connected to the second row selection line and the second column line.Type: ApplicationFiled: January 19, 2017Publication date: May 11, 2017Applicant: Samsung Electronics Co., Ltd.Inventors: Kyoung-Min KOH, Ju-Hyun KO, Han YANG, Jae-Cheol YUN, Kwang-Hyun LEE, Seon-Ju LEE
-
Patent number: 9584741Abstract: An image sensor includes a pixel array in which a plurality of pixels, first and second row selection lines separated from each other, and first and second column lines separated from each other are disposed and a column selecting circuit configured to connect the first and second column lines using a column selection signal. The pixel array includes a first pixel which is connected to the first row selection line and the first column line and a second pixel which is disposed in the same row as the first pixel and connected to the second row selection line and the second column line.Type: GrantFiled: October 14, 2014Date of Patent: February 28, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyoung-Min Koh, Ju-Hyun Ko, Han Yang, Jae-Cheol Yun, Kwang-Hyun Lee, Seon-Ju Lee
-
Patent number: 9520426Abstract: A vision sensor chip includes a photoelectric conversion element that generates a current based on an incident light, a current-voltage (I-V) converter that converts the current into a voltage, an AC coupling capacitor directly connected to the I-V converter, an open-loop amplifier that includes a reset switch and amplifies a voltage provided by the I-V converter via the AC coupling capacitor. An event detection block detects motion according to a change in the amplified output voltage and generates first and second detection signals. A reset signal generator generates a reset signal controlling operation of the reset switch in response to first and second control signals respectively related to the first and second detection signals.Type: GrantFiled: December 22, 2014Date of Patent: December 13, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Moo Young Kim, Yun Hong Kim, Seok Yong Hong, Tae Chan Kim, Jae Cheol Yun
-
Patent number: 9521344Abstract: A method of operating an image sensor includes generating a plurality of ramping up/down signals, and comparing a correlated double sampled pixel signal produced from an output of a pixel with a correlated double sampled first ramping up/down signal among the plurality of ramping up/down signals in a reset interval. The method further includes comparing the correlated double sampled pixel signal with the correlated double sampled first ramping up/down signal at one sampling time or more in an image interval, and a step of outputting a selected ramping up/down signal among the plurality of ramping up/down signals based on a result of the comparison.Type: GrantFiled: July 23, 2014Date of Patent: December 13, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Jung Ho Lee, Jin Woo Kim, Beom Soo Park, Jae Cheol Yun