Patents by Inventor Ju-Hwan Jung

Ju-Hwan Jung 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: 9177987
    Abstract: A binary complementary metal-oxide-semiconductor (CMOS) image sensor includes a pixel array and a readout circuit. The pixel array includes at least one pixel having a plurality of sub-pixels. The readout circuit is configured to quantize a pixel signal output from the pixel using a reference signal. The pixel signal corresponds to sub-pixel signals output from sub-pixels, from among the plurality of sub-pixels, activated in response to incident light.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: November 3, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae-Yon Lee, Ju Hwan Jung, Seok Yong Hong, Tae-Chan Kim, Dong Ki Min, Yoon Dong Park, Sang-Chul Sul, Tae-Seok Oh, Je Il Ryu, Kwang-Hyun Lee, Young-Gu Jin
  • Patent number: 9118856
    Abstract: An image sensor includes a unit pixel including a plurality of color pixels with a depth pixel. A first signal line group of first signal lines is used to supply first control signals that control operation of the plurality of color pixels, and a separate second signal line group of second signal lines is used to supply second control signals that control operation of the depth pixel.
    Type: Grant
    Filed: July 5, 2012
    Date of Patent: August 25, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won Joo Kim, Hyoung Soo Ko, Doo Cheol Park, Hee Woo Park, Kwang-Min Lee, Ju Hwan Jung
  • Patent number: 9103722
    Abstract: A unit pixel of a depth sensor includes a light-receiver configured to perform photoelectric conversion of an incident light to output an electrical signal and at least two sensors adjacent to the light-receiver to receive the electrical signal from the light-receiver such that a line connecting the sensors forms an angle greater than zero degrees with respect to a first line, the first line passing through a center of the light-receiver in a horizontal direction.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: August 11, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyoung-Soo Ko, Shin-Wook Yi, Won-Joo Kim, Ju-Hwan Jung
  • Patent number: 9106858
    Abstract: The image sensor includes a pixel array including a plurality of unit pixels each including a single transistor and a photodiode connected to a body of the single transistor, a row driver block configured to enable one of a plurality of rows in the pixel array to enter a readout mode, and a readout block configured to sense and amplify a pixel signal output from each of a plurality of unit pixels included in the row that has entered the readout mode.
    Type: Grant
    Filed: October 1, 2013
    Date of Patent: August 11, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Gu Jin, Ju Hwan Jung, Yoon Dong Park
  • Publication number: 20150200224
    Abstract: A unit pixel includes a sensing transistor, a photo diode, and a reset drain region. The sensing transistor includes a reference active region, an output active region, and a gate. The gate is between the reference active region and the output active region to electrically connect the reference active region to the output active region based on a gate voltage. The reference active region and output active region are within a semiconductor substrate. The photo diode is under the gate within the semiconductor substrate. The reset drain region is within the semiconductor substrate and is electrically connected to the photo diode by the gate based on the gate voltage.
    Type: Application
    Filed: November 7, 2014
    Publication date: July 16, 2015
    Inventors: Ju-Hwan JUNG, Young-Gu JIN, Hiroshige GOTO, Hee-Woo PARK, Jung-Hyung PYO
  • Patent number: 9029785
    Abstract: A method of fabricating a microlens includes forming layer of photoresist on a substrate, patterning the layer of photoresist, and then reflowing the photoresist pattern. The layer of photoresist is formed by coating the substrate with liquid photoresist whose viscosity is 150 to 250 cp. A depth sensor includes a substrate and photoelectric conversion elements at an upper portion of the substrate, a metal wiring section disposed on the substrate, an array of the microlenses for focusing incident light as beams onto the photoelectric conversion elements and which beams avoid the wirings of the metal wiring section. The depths sensor also includes a layer presenting a flat upper surface on which the microlenses are formed. The layer may be a dedicated planarization layer or an IR filter, interposed between the microlenses and the metal wiring section.
    Type: Grant
    Filed: February 29, 2012
    Date of Patent: May 12, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Doo Cheol Park, Seung Hyuk Chang, Myung-Sun Kim, Won Joo Kim, Ju Hwan Jung, Seung Hoon Lee, Kwang-Min Lee, Hyoung Soo Ko
  • Publication number: 20150069244
    Abstract: A unit pixel of a depth sensor includes a light-receiver configured to perform photoelectric conversion of an incident light to output an electrical signal and at least two sensors adjacent to the light-receiver to receive the electrical signal from the light-receiver such that a line connecting the sensors forms an angle greater than zero degrees with respect to a first line, the first line passing through a center of the light-receiver in a horizontal direction.
    Type: Application
    Filed: November 14, 2014
    Publication date: March 12, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyoung-Soo KO, Shin-Wook YI, Won-Joo KIM, Ju-Hwan JUNG
  • Patent number: 8901498
    Abstract: A unit pixel of a depth sensor includes a light-receiver configured to perform photoelectric conversion of an incident light to output an electrical signal and at least two sensors adjacent to the light-receiver to receive the electrical signal from the light-receiver such that a line connecting the sensors forms an angle greater than zero degrees with respect to a first line, the first line passing through a center of the light-receiver in a horizontal direction.
    Type: Grant
    Filed: May 4, 2012
    Date of Patent: December 2, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyoung-Soo Ko, Shin-Wook Yi, Won-Joo Kim, Ju-Hwan Jung
  • Publication number: 20140268165
    Abstract: An optical biosensor may include a biosensing unit, detection unit, and signal processing unit. The biosensing unit may be configured for receiving first and second optical signals (which are generated from a phase-modulated optical signal), outputting a sensing signal by transmitting the first optical signal via a first optical path that includes a sensing resonator, and outputting a reference signal by transmitting the second optical signal via a second optical path that includes a reference resonator. The detection unit may be configured for receiving the sensing signal and the reference signal, detecting a phase element of each of the sensing signal and the reference signal through a signal demodulation operation, and detecting a phase difference between the sensing signal and the reference signal according to the detected phase elements. The signal processing unit may be configured for calculating the concentration of a bio-material based on the detected phase difference.
    Type: Application
    Filed: February 26, 2014
    Publication date: September 18, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung-dong SUH, Kyoung-won NA, Yoon-dong PARK, Dong-mo IM, Ju-hwan JUNG, Seok-yong HONG
  • Publication number: 20140103192
    Abstract: A binary complementary metal-oxide-semiconductor (CMOS) image sensor includes a pixel array and a readout circuit. The pixel array includes at least one pixel having a plurality of sub-pixels. The readout circuit is configured to quantize a pixel signal output from the pixel using a reference signal. The pixel signal corresponds to sub-pixel signals output from sub-pixels, from among the plurality of sub-pixels, activated in response to incident light.
    Type: Application
    Filed: October 10, 2013
    Publication date: April 17, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Tae-Yon LEE, Ju Hwan JUNG, Seok Yong HONG, Tae-Chan KIM, Dong Ki MIN, Yoon Dong PARK, Sang-Chul SUL, Tae-Seok OH, Je Il RYU, Kwang-Hyun LEE, Young-Gu JIN
  • Publication number: 20140103191
    Abstract: A sensing method for an image sensor includes: connecting a first column line with a second column line in response to switch signals; and sensing a first pixel signal generated based on a first signal output from a first pixel and a second signal output from a second pixel, the first pixel and the second pixel being connected to the first column line and the second pixel being connected to the second column line.
    Type: Application
    Filed: September 18, 2013
    Publication date: April 17, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ju Hwan JUNG, Dong Ki MIN, Young Gu JIN, Seok Yong HONG
  • Publication number: 20140104472
    Abstract: A method of operating an image sensor includes: generating a pixel signal according to intensity of incident light; and generating a digital pixel signal based on a comparison between the pixel signal and at least one reference current. Accordingly, a current output from a 1T pixel in the image sensor is sensed such that the influence of noise is reduced and a pixel signal is sensed more precisely.
    Type: Application
    Filed: October 11, 2013
    Publication date: April 17, 2014
    Inventors: Sun Jung KIM, Kwang Hyun LEE, Seung Hoon LEE, Ju Hwan JUNG, Young Gu JIN
  • Publication number: 20140104942
    Abstract: A recess gate transistor includes: a drain region and a source region in a semiconductor substrate and doped with first-type impurities; a recess region recessed in the semiconductor substrate between the drain region and the source region; a gate insulation layer on the recess region, a gate electrode on the gate insulation layer filling the recess region; and a charge pocket region below the recess region and doped with second-type impurities. A semiconductor chip includes a plurality of recess gate transistors, and an image sensor includes a semiconductor chip including a plurality of recess gate transistors.
    Type: Application
    Filed: October 10, 2013
    Publication date: April 17, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-Gu JIN, Ju Hwan JUNG, Yoon Dong PARK
  • Publication number: 20140103413
    Abstract: ACMOS image sensor includes a pixel array having a plurality of pixels. Each of the plurality of pixels includes: a photogate structure configured to be controlled based on a first gate voltage; and a sensing transistor including a charge pocket region formed in a substrate region, the sensing transistor being configured to be controlled based on a second gate voltage. Based on the first gate voltage, the photogate structure is configured to integrate charges generated in response to light incident on the substrate region. The sensing transistor is configured to adjust at least one of a threshold voltage of the sensing transistor and a current flow in the sensing transistor according to charges transferred from the photogate structure to the charge pocket region based on a difference between the first gate voltage and the second gate voltage.
    Type: Application
    Filed: October 11, 2013
    Publication date: April 17, 2014
    Inventors: Young Gu JIN, Min Ho KIM, Tae Chan KIM, Dong Ki MIN, Sang Chul SUL, Tae Seok OH, Kwang Hyun LEE, Tae Yon LEE, Ju Hwan JUNG
  • Publication number: 20140092287
    Abstract: The image sensor includes a pixel array including a plurality of unit pixels each including a single transistor and a photodiode connected to a body of the single transistor, a row driver block configured to enable one of a plurality of rows in the pixel array to enter a readout mode, and a readout block configured to sense and amplify a pixel signal output from each of a plurality of unit pixels included in the row that has entered the readout mode.
    Type: Application
    Filed: October 1, 2013
    Publication date: April 3, 2014
    Inventors: Young Gu JIN, Ju Hwan JUNG, Yoon Dong PARK
  • Patent number: 8432001
    Abstract: Provided is an electric field information reading head for reading information from a surface electric charge of an information storage medium, the electric field information reading head comprising a semiconductor substrate having a resistance region formed in a central part at one end of a surface facing a recording medium, the resistance region being lightly doped with impurities, and source and drain regions formed on both sides of the resistance region, the source region and the drain region being more highly doped with impurities than the resistance region. The source region and the drain region extend along the surface of the semiconductor substrate facing the recording medium, and electrodes are connected electrically with the source region and the drain region respectively. In addition, provided is a method of fabricating the electric field information reading head and a method of mass-producing the electric field information reading head on a wafer.
    Type: Grant
    Filed: May 10, 2007
    Date of Patent: April 30, 2013
    Assignee: Seagate Technology LLC
    Inventors: Ju-hwan Jung, Hyoung-soo Ko, Hong-sik Park, Yong-su Kim, Seung-bum Hong
  • Publication number: 20130010072
    Abstract: An image sensor includes a unit pixel including a plurality of color pixels with a depth pixel. A first signal line group of first signal lines is used to supply first control signals that control operation of the plurality of color pixels, and a separate second signal line group of second signal lines is used to supply second control signals that control operation of the depth pixel.
    Type: Application
    Filed: July 5, 2012
    Publication date: January 10, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won Joo Kim, Hyoung Soo Ko, Doo Cheol Park, Hee Woo Park, Kwang-Min Lee, Ju Hwan Jung
  • Publication number: 20120294137
    Abstract: An apparatus can include a read head formed in a semiconductor layer of an air bearing surface, the read head comprising a channel region formed between a source and drain which are doped to a higher conductivity than the channel region; wherein the channel region is configured to generate a charge carrier depletion region in response to a first ferroelectric dipole direction, and to accumulate charge carriers in response to a second ferroelectric dipole direction.
    Type: Application
    Filed: July 25, 2012
    Publication date: November 22, 2012
    Applicant: SEAGATE TECHNNOLOGY INTERNATIONAL
    Inventors: Seung-bum HONG, Sung-hoon CHOA, Ju-hwan JUNG, Hyoung-soo KO, Yong Kwan KIM
  • Publication number: 20120281206
    Abstract: A unit pixel of a depth sensor includes a light-receiver configured to perform photoelectric conversion of an incident light to output an electrical signal and at least two sensors adjacent to the light-receiver to receive the electrical signal from the light-receiver such that a line connecting the sensors forms an angle greater than zero degrees with respect to a first line, the first line passing through a center of the light-receiver in a horizontal direction.
    Type: Application
    Filed: May 4, 2012
    Publication date: November 8, 2012
    Inventors: Hyoung-Soo Ko, Shin-Wook Yi, Won-Joo Kim, Ju-Hwan Jung
  • Patent number: 8304808
    Abstract: Provided is an electric field head including a resistance sensor to read information recorded on a recording medium. The resistance sensor includes a first semiconductor layer including a source and a drain, and a second semiconductor layer that is heterogeneously combined with the first semiconductor layer. Also, the electric field head further includes a channel between the source and the drain, in a junction region of the first and second semiconductor layers.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: November 6, 2012
    Assignee: Seagate Technology LLC
    Inventors: Ju-hwan Jung, Hyoung-soo Ko, Seung-bum Hong