Patents by Inventor Seung-Hyun Lim

Seung-Hyun Lim 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).

  • Patent number: 10827144
    Abstract: An image sensor chip includes an internal voltage generator for generating internal voltages using an external voltage received at a first terminal of the image sensor chip, a temperature sensor for generating a temperature voltage, a selection circuit for outputting one of the external voltage, the internal voltages, and the temperature voltage, a digital code generation circuit for generating a digital code using an output voltage of the selection circuit, and a second terminal for outputting the digital code from the image sensor chip.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: November 3, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Hyun Cho, Ji Yong Park, Dae Hwa Paik, Kyoung Min Koh, Min Ho Kwon, Seung Hyun Lim
  • Publication number: 20200154071
    Abstract: Disclosed is an image sensor. The image sensor includes an active pixel sensor array including first to fourth pixel units sequentially arranged in a column direction, and each of the first to fourth pixel units is composed of a plurality of pixels. A first pixel group including the first and second pixel units is connected to a first column line, and a second pixel group including the third pixel unit and the fourth pixel unit is connected to a second column line. The image sensor includes a correlated double sampling circuit including first and second correlated double samplers and configured to convert a first sense voltage sensed from a selected pixel of the first pixel group and a second sense voltage sensed from a selected pixel of the second pixel group into a first correlated double sampling signal and a second correlated double sampling signal, respectively.
    Type: Application
    Filed: January 13, 2020
    Publication date: May 14, 2020
    Inventors: Minji Hwang, Hyosang Kim, Haesick Sul, Seung Hyun Lim
  • Publication number: 20200137344
    Abstract: An image sensor and an image processing system including the same are provided. The image sensor includes a pixel array including a plurality of pixels each connected to one of first through m-th column lines to output a pixel signal, where “m” is an integer of at least 2; analog-to-digital converters each configured to receive the pixel signal corresponding to one of the first through m-th column lines, to compare the pixel signal with a ramp signal, and to convert the pixel signal to a digital pixel signal; and a blocking circuit connected to an input terminal of at least one of the analog-to-digital converters to block an influence of an operation of others among the analog-to-digital converters.
    Type: Application
    Filed: December 26, 2019
    Publication date: April 30, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Hong Kim, Seung Hyun LIM, Han Kook CHO, Dong Hun LEE, Seog Heon HAM
  • Patent number: 10574929
    Abstract: Disclosed is an image sensor. The image sensor includes an active pixel sensor array including first to fourth pixel units sequentially arranged in a column direction, and each of the first to fourth pixel units is composed of a plurality of pixels. A first pixel group including the first and second pixel units is connected to a first column line, and a second pixel group including the third pixel unit and the fourth pixel unit is connected to a second column line. The image sensor includes a correlated double sampling circuit including first and second correlated double samplers and configured to convert a first sense voltage sensed from a selected pixel of the first pixel group and a second sense voltage sensed from a selected pixel of the second pixel group into a first correlated double sampling signal and a second correlated double sampling signal, respectively.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: February 25, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Minji Hwang, Hyosang Kim, Haesick Sul, Seung Hyun Lim
  • Publication number: 20200058690
    Abstract: An image sensor includes a first column line and a second column line configured to extend in a first direction, a plurality of pixel groups configured to connect to the first column line or the second column line and to comprise a plurality of pixels in each of the plurality of pixel groups, a bias circuit configured to comprise a first current circuit and a second current circuit configured to output different bias currents in a first operational mode, and a switching circuit configured to connect the first column line to the first current circuit and connect the second column line to the second current circuit during a first time period, and to connect the first column line to the second current circuit and connect the second column line to the first current circuit during a second time period subsequent to the first time period in the first operational mode.
    Type: Application
    Filed: March 15, 2019
    Publication date: February 20, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jae Hong KIM, Dae Hwa PAIK, Seung Hyun LIM, Sin Hwan LIM
  • Publication number: 20200053307
    Abstract: An image sensor chip includes an internal voltage generator for generating internal voltages using an external voltage received at a first terminal of the image sensor chip, a temperature sensor for generating a temperature voltage, a selection circuit for outputting one of the external voltage, the internal voltages, and the temperature voltage, a digital code generation circuit for generating a digital code using an output voltage of the selection circuit, and a second terminal for outputting the digital code from the image sensor chip.
    Type: Application
    Filed: October 21, 2019
    Publication date: February 13, 2020
    Inventors: SANG HYUN CHO, JI YONG PARK, DAE HWA PAIK, KYOUNG MIN KOH, MIN HO KWON, SEUNG HYUN LIM
  • Publication number: 20200053306
    Abstract: An image sensor chip includes an internal voltage generator for generating internal voltages using an external voltage received at a first terminal of the image sensor chip, a temperature sensor for generating a temperature voltage, a selection circuit for outputting one of the external voltage, the internal voltages, and the temperature voltage, a digital code generation circuit for generating a digital code using an output voltage of the selection circuit, and a second terminal for outputting the digital code from the image sensor chip.
    Type: Application
    Filed: October 21, 2019
    Publication date: February 13, 2020
    Inventors: Sang Hyun Cho, Ji Yong Park, Dae Hwa Paik, Kyoung Min Koh, Min Ho Kwon, Seung Hyun Lim
  • Patent number: 10531032
    Abstract: An image sensor chip includes an internal voltage generator for generating internal voltages using an external voltage received at a first terminal of the image sensor chip, a temperature sensor for generating a temperature voltage, a selection circuit for outputting one of the external voltage, the internal voltages, and the temperature voltage, a digital code generation circuit for generating a digital code using an output voltage of the selection circuit, and a second terminal for outputting the digital code from the image sensor chip.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: January 7, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Hyun Cho, Ji Yong Park, Dae Hwa Paik, Kyoung Min Koh, Min Ho Kwon, Seung Hyun Lim
  • Publication number: 20190349546
    Abstract: Disclosed is an image sensor. The image sensor includes an active pixel sensor array including first to fourth pixel units sequentially arranged in a column direction, and each of the first to fourth pixel units is composed of a plurality of pixels. A first pixel group including the first and second pixel units is connected to a first column line, and a second pixel group including the third pixel unit and the fourth pixel unit is connected to a second column line. The image sensor includes a correlated double sampling circuit including first and second correlated double samplers and configured to convert a first sense voltage sensed from a selected pixel of the first pixel group and a second sense voltage sensed from a selected pixel of the second pixel group into a first correlated double sampling signal and a second correlated double sampling signal, respectively.
    Type: Application
    Filed: July 26, 2019
    Publication date: November 14, 2019
    Inventors: Minji Hwang, Hyosang Kim, Haesick Sul, Seung Hyun Lim
  • Patent number: 10368023
    Abstract: Disclosed is an image sensor. The image sensor includes an active pixel sensor array including first to fourth pixel units sequentially arranged in a column direction, and each of the first to fourth pixel units is composed of a plurality of pixels. A first pixel group including the first and second pixel units is connected to a first column line, and a second pixel group including the third pixel unit and the fourth pixel unit is connected to a second column line. The image sensor includes a correlated double sampling circuit including first and second correlated double samplers and configured to convert a first sense voltage sensed from a selected pixel of the first pixel group and a second sense voltage sensed from a selected pixel of the second pixel group into a first correlated double sampling signal and a second correlated double sampling signal, respectively.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: July 30, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Minji Hwang, Hyosang Kim, Haesick Sul, Seung Hyun Lim
  • Publication number: 20190082136
    Abstract: An image sensor and an image processing system including the same are provided. The image sensor includes a pixel array including a plurality of pixels each connected to one of first through m-th column lines to output a pixel signal, where “m” is an integer of at least 2; analog-to-digital converters each configured to receive the pixel signal corresponding to one of the first through m-th column lines, to compare the pixel signal with a ramp signal, and to convert the pixel signal to a digital pixel signal; and a blocking circuit connected to an input terminal of at least one of the analog-to-digital converters to block an influence of an operation of others among the analog-to-digital converters.
    Type: Application
    Filed: September 4, 2018
    Publication date: March 14, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Hong KIM, Seung Hyun LIM, Han Kook CHO, Dong Hun LEE, Seog Heon HAM
  • Patent number: 10153292
    Abstract: A memory device includes a plurality of channel regions that each extend in a direction perpendicular to an upper surface of a substrate, a plurality of gate electrode layers and a plurality of insulating layers stacked on the substrate adjacent the channel regions, each of the gate electrodes extending different lengths, and a plurality of dummy channel regions adjacent first ends of the plurality of gate electrode layers, wherein the substrate includes a substrate insulating layer formed below the plurality of dummy channel regions.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: December 11, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong Won Kim, Seung Hyun Lim, Chang Seok Kang, Young Woo Park, Dae Hoon Bae, Dong Seog Eun, Woo Sung Lee, Jae Duk Lee, Jae Woo Lim, Hanmei Choi
  • Patent number: 10084982
    Abstract: An image sensor and an image processing system including the same are provided. The image sensor includes a pixel array including a plurality of pixels each connected to one of first through m-th column lines to output a pixel signal, where “m” is an integer of at least 2; analog-to-digital converters each configured to receive the pixel signal corresponding to one of the first through m-th column lines, to compare the pixel signal with a ramp signal, and to convert the pixel signal to a digital pixel signal; and a blocking circuit connected to an input terminal of at least one of the analog-to-digital converters to block an influence of an operation of others among the analog-to-digital converters.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: September 25, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Hong Kim, Seung Hyun Lim, Han Kook Cho, Dong Hun Lee, Seog Heon Ham
  • Patent number: 10056491
    Abstract: A semiconductor device is provided including a fin active region on a substrate. The fin active region includes a lower region, a middle region, and an upper region. The middle region has lateral surfaces with a slope less steep than the lateral surfaces of the upper region. An isolation region is on a lateral surface of the lower region of the fin active region. A gate electrode structure is provided. A gate dielectric structure having an oxidation oxide layer and a deposition oxide layer, while having a thickness greater than half a width of the upper region of the fin active region is provided. The deposition oxide layer is between the gate electrode structure and the fin active region and the gate electrode structure and the isolation region, and the oxidation oxide layer is between the fin active region and the deposition oxide layer.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: August 21, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong Hoon Jeong, Hong Bum Park, HanMei Choi, Jae Young Park, Seung Hyun Lim
  • Publication number: 20180205886
    Abstract: In some embodiments, a method of operating an image sensor supporting a low speed mode and a high speed mode includes: outputting a first set of output signals from a first pixel group to a first output line group by enabling, during a first period of the low speed mode, a first load circuit group connected to the first set of output signals; outputting a second set of output signals from a second pixel group to a second output line group by enabling, during a second period of the low speed mode different from the first period, a second load circuit group connected to the second set of output signals; and disabling the second load circuit group during at least a part of the first period.
    Type: Application
    Filed: August 23, 2017
    Publication date: July 19, 2018
    Inventors: Seon-ju Lee, Dae-hwa Paik, Seung-hyun Lim, Kyoung-min Koh, Min-ho Kwon, Jin-woo Kim
  • Publication number: 20180190668
    Abstract: A memory device includes a plurality of channel regions that each extend in a direction perpendicular to an upper surface of a substrate, a plurality of gate electrode layers and a plurality of insulating layers stacked on the substrate adjacent the channel regions, each of the gate electrodes extending different lengths, and a plurality of dummy channel regions adjacent first ends of the plurality of gate electrode layers, wherein the substrate includes a substrate insulating layer formed below the plurality of dummy channel regions.
    Type: Application
    Filed: February 28, 2018
    Publication date: July 5, 2018
    Inventors: JONG WON KIM, SEUNG HYUN LIM, CHANG SEOK KANG, YOUNG WOO PARK, DAE HOON BAE, DONG SEOG EUN, WOO SUNG LEE, JAE DUK LEE, JAE WOO LIM, HANMEI CHOI
  • Patent number: 9972636
    Abstract: A memory device includes a plurality of channel regions that each extend in a direction perpendicular to an upper surface of a substrate, a plurality of gate electrode layers and a plurality of insulating layers stacked on the substrate adjacent the channel regions, each of the gate electrodes extending different lengths, and a plurality of dummy channel regions adjacent first ends of the plurality of gate electrode layers, wherein the substrate includes a substrate insulating layer formed below the plurality of dummy channel regions.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: May 15, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong Won Kim, Seung Hyun Lim, Chang Seok Kang, Young Woo Park, Dae Hoon Bae, Dong Seog Eun, Woo Sung Lee, Jae Duk Lee, Jae Woo Lim, Hanmei Choi
  • Publication number: 20180109747
    Abstract: An analog-to-digital converter configured to convert an analog signal into a digital signal includes a first converter configured to receive an input signal of an analog type, compare the input signal with a plurality of reference signals, select one of the plurality of reference signals based on the comparison, and output an upper bit that is a portion of the digital signal based on the selected reference signal, a second converter configured to perform an oversampling operation n times based on a residue signal indicating a difference between an upper analog signal corresponding to the upper bit value and the input signal and output an intermediate bit value of the digital signal corresponding to the first to n-th oversampling signals generated respectively during the oversampling operations performed n times, and a third converter configured to output a lower bit value of the digital signal corresponding to the n-th oversampling signal.
    Type: Application
    Filed: September 28, 2017
    Publication date: April 19, 2018
    Inventors: Youngcheol Chae, Sang-hyun Cho, Min-ho Kwon, Seung-hyun Lim, Woo-jin Jo
  • Patent number: 9882018
    Abstract: A semiconductor device includes: a substrate including a channel region; a gate dielectric a tunneling layer, a charge storage layer, and a blocking layer sequentially disposed on the channel region; and a gate electrode disposed on the gate dielectric, wherein the tunneling layer has variations in nitrogen concentrations in a direction perpendicular to the channel region, and has a maximum nitrogen concentration in a position shifted from a center of the tunneling layer toward the charge storage layer.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: January 30, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Jin Noh, Jae Ho Choi, Bio Kim, Kwang Min Park, Jae Young Ahn, Dong Chul Yoo, Seung Hyun Lim, Jeon Il Lee
  • Patent number: 9848116
    Abstract: A solid-state image sensor of an electronic device includes a plurality of pixels arranged in a matrix form and having a plurality of phase difference pixel of the plurality of pixels. The plurality of phase difference pixels are arranged at locations of pixels that are commonly read out in a plurality of different skip readout modes.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: December 19, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Shuichi Shimokawa, Dong-min Kim, Sang-min Lee, Kwi-sung Yoo, Seung-hyun Lim, Woo-seok Choi, Beoung-ouk Min, Takafumi Usui