Patents by Inventor Hee-Geun Jeong

Hee-Geun Jeong 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: 11942156
    Abstract: Provided herein is a memory device for performing a program operation on memory cells. The memory device include a plurality of memory cells configured to store data, a voltage generator configured to apply program voltages to a word line coupled to the plurality of memory cells during a program operation in which the plurality of memory cells are programmed to a plurality of program states, a cell speed determiner configured to determine a program speed of the plurality of memory cells depending on a number of pulses for the program voltages applied to the word line while the program operation is being performed, and a program manager configured to change a condition for remaining program operations depending on the program speed determined by the cell speed determiner.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: March 26, 2024
    Assignee: SK hynix Inc.
    Inventors: Hyeok Jun Choi, Hee Sik Park, Seung Geun Jeong
  • Patent number: 11929381
    Abstract: An image sensor including: a substrate which includes a first surface and a second surface opposite each other; a plurality of pixels, each pixel including a photoelectric conversion layer in the substrate; a pixel separation pattern disposed in the substrate and separating the pixels; a surface insulating layer disposed on the first surface of the substrate; conductor contacts disposed in the surface insulating layer; and a grid pattern disposed on the surface insulating layer, wherein the pixel separation pattern includes a first portion and a second portion arranged in a direction parallel to the first surface of the substrate, and the conductor contacts are interposed between the first portion of the pixel separation pattern and the grid pattern and are not interposed between the second portion of the pixel separation pattern and the grid pattern.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: March 12, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Han Seok Kim, Byung Jun Park, Jin Ju Jeon, Hee Geun Jeong
  • Publication number: 20230395635
    Abstract: An image sensor includes a first substrate including a first surface and a second surface opposite to the first surface, a first wiring structure provided on the second surface of the first substrate, the first wiring structure including a first wiring and a first inter-wiring insulating film, a second substrate including a third surface facing the second surface of the first substrate, and a fourth surface opposite to the third surface, a second wiring structure provided on the third surface of the second substrate, the second wiring structure including a second wiring and a second inter-wiring insulating film, a via trench penetrating the first substrate and the first wiring structure, a through via structure extending along the via trench and connected to the second wiring, and a pad pattern provided on the through via.
    Type: Application
    Filed: June 1, 2023
    Publication date: December 7, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong Min Han, Seung Joo Nah, Hee Geun Jeong
  • Publication number: 20230378206
    Abstract: Disclosed is an image sensor including a substrate having a photoelectric conversion element disposed therein a passivation layer disposed on the substrate and extending in a first direction, a conductive pattern disposed on the passivation layer, and an adhesive layer deposited on the passivation layer and the conductive pattern, wherein the conductive pattern includes a first flat area disposed on the passivation layer and extending in the first direction, and an inclined area connected to the first flat area, wherein a first top face of the inclined area is bent from a second top face of the first flat area, wherein the first top face has a constant slope with respect to the second top face.
    Type: Application
    Filed: March 22, 2023
    Publication date: November 23, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Su PARK, Seung Joo NAH, Hoe Min JEONG, Hee Geun JEONG
  • Patent number: 11508771
    Abstract: An image sensor includes a semiconductor substrate having a first surface and a second surface, a pixel element isolation film extending through an interior of the semiconductor substrate and defining a plurality of active pixels in the semiconductor substrate, and a dummy element isolation film extending through the interior of the semiconductor substrate and extending along at least one side of the active pixels in a plan view and defining a plurality of dummy pixels in the semiconductor substrate. The pixel element isolation film may have a first end that is substantially coplanar with the first surface and has a first width in a first direction parallel to the first surface, and the dummy element isolation film has a first end that is substantially coplanar with the first surface and has a second width that is greater than the first width of the pixel element isolation film.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: November 22, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae-han Han, Sun-hyun Kim, Han-seok Kim, Chung-ho Song, Gyeong-hee Lee, Hee-geun Jeong
  • Publication number: 20220045116
    Abstract: An image sensor includes a first substrate. A first wiring structure is disposed on the first substrate and includes a first wiring layer. A second substrate is disposed on the first wiring structure and includes a first region and a second region that are spaced apart from each other. The first region includes a photoelectric conversion element disposed therein. A conductive pattern penetrates the second region of the second substrate and extends into the first wiring layer. The conductive pattern includes a step in the first wiring layer. A lowermost surface of the conductive pattern is disposed inside the first wiring layer.
    Type: Application
    Filed: May 3, 2021
    Publication date: February 10, 2022
    Inventors: Han Seok KIM, Seung Joo NAH, Sang Il JUNG, Hee Geun JEONG
  • Publication number: 20220020803
    Abstract: A semiconductor device including: a first substrate including a first surface and a second surface; a first inter-wiring insulating film on the first substrate; a first wiring in the first inter-wiring insulating film; a landing via in the first inter-wiring insulating film, and spaced apart from the first wiring; a second substrate including a third surface and a fourth surface; a second inter-wiring insulating film on the second substrate; a second wiring in the second inter-wiring insulating film; and a through via structure penetrating the second substrate and the second inter-wiring insulating film, and electrically connecting the second wiring to the landing via, wherein with respect to the second surface of the first substrate, a top surface of the landing via is higher than a bottom surface of the first wiring, and a bottom surface of the landing via is lower than the bottom surface of the first wiring.
    Type: Application
    Filed: March 3, 2021
    Publication date: January 20, 2022
    Inventors: Han Seok KIM, Byung Jun PARK, Byoung Ho KIM, Hee Geun JEONG
  • Publication number: 20210335877
    Abstract: An image sensor including: a substrate which includes a first surface and a second surface opposite each other; a plurality of pixels, each pixel including a photoelectric conversion layer in the substrate; a pixel separation pattern disposed in the substrate and separating the pixels; a surface insulating layer disposed on the first surface of the substrate; conductor contacts disposed in the surface insulating layer; and a grid pattern disposed on the surface insulating layer, wherein the pixel separation pattern includes a first portion and a second portion arranged in a direction parallel to the first surface of the substrate, and the conductor contacts are interposed between the first portion of the pixel separation pattern and the grid pattern and are not interposed between the second portion of the pixel separation pattern and the grid pattern.
    Type: Application
    Filed: December 30, 2020
    Publication date: October 28, 2021
    Inventors: Han Seok KIM, Byung Jun PARK, Jin Ju JEON, Hee Geun JEONG
  • Publication number: 20210265397
    Abstract: An image sensor includes a semiconductor substrate having a first surface and a second surface, a pixel element isolation film extending through an interior of the semiconductor substrate and defining a plurality of active pixels in the semiconductor substrate, and a dummy element isolation film extending through the interior of the semiconductor substrate and extending along at least one side of the active pixels in a plan view and defining a plurality of dummy pixels in the semiconductor substrate. The pixel element isolation film may have a first end that is substantially coplanar with the first surface and has a first width in a first direction parallel to the first surface, and the dummy element isolation film has a first end that is substantially coplanar with the first surface and has a second width that is greater than the first width of the pixel element isolation film.
    Type: Application
    Filed: April 26, 2021
    Publication date: August 26, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dae-han HAN, Sun-hyun KIM, Han-seok KIM, Chung-ho SONG, Gyeong-hee LEE, Hee-geun JEONG
  • Patent number: 11081513
    Abstract: A substrate includes a plurality of pixels arranged in a two-dimensional array structure and has a front side and a back side opposite to the front side. An interconnection is arranged on the front side of the substrate. An insulating layer, a color filter, and a micro-lens are arranged on the back side of the substrate. A pixel separation structure is disposed in the substrate. The pixel separation structure includes a conductive layer having a grid structure in a planar view of the image sensor and surrounds each of the plurality of pixels. A back side contact is vertically overlapped with and electrically connected to a grid point portion of the grid structure of the conductive layer of the pixel separation structure.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: August 3, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Han-seok Kim, Byung-jun Park, Hee-geun Jeong, Seung-joo Nah
  • Patent number: 10991742
    Abstract: An image sensor includes a semiconductor substrate having a first surface and a second surface, a pixel element isolation film extending through an interior of the semiconductor substrate and defining a plurality of active pixels in the semiconductor substrate, and a dummy element isolation film extending through the interior of the semiconductor substrate and extending along at least one side of the active pixels in a plan view and defining a plurality of dummy pixels in the semiconductor substrate. The pixel element isolation film may have a first end that is substantially coplanar with the first surface and has a first width in a first direction parallel to the first surface, and the dummy element isolation film has a first end that is substantially coplanar with the first surface and has a second width that is greater than the first width of the pixel element isolation film.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: April 27, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae-han Han, Sun-Hyun Kim, Han-seok Kim, Chung-ho Song, Gyeong-hee Lee, Hee-geun Jeong
  • Publication number: 20200251509
    Abstract: A substrate includes a plurality of pixels arranged in a two-dimensional array structure and has a front side and a back side opposite to the front side. An interconnection is arranged on the front side of the substrate. An insulating layer, a color filter, and a micro-lens are arranged on the back side of the substrate. A pixel separation structure is disposed in the substrate. The pixel separation structure includes a conductive layer having a grid structure in a planar view of the image sensor and surrounds each of the plurality of pixels. A back side contact is vertically overlapped with and electrically connected to a grid point portion of the grid structure of the conductive layer of the pixel separation structure.
    Type: Application
    Filed: April 23, 2020
    Publication date: August 6, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Han-seok KIM, Byung-jun PARK, Hee-geun JEONG, Seung-joo NAH
  • Patent number: 10644053
    Abstract: A substrate includes a plurality of pixels arranged in a two-dimensional array structure and has a front side and a back side opposite to the front side. An interconnection is arranged on the front side of the substrate. An insulating layer, a color filter, and a micro-lens are arranged on the back side of the substrate. A pixel separation structure is disposed in the substrate. The pixel separation structure includes a conductive layer having a grid structure in a planar view of the image sensor and surrounds each of the plurality of pixels. A back side contact is vertically overlapped with and electrically connected to a grid point portion of the grid structure of the conductive layer of the pixel separation structure.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: May 5, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Han-seok Kim, Byung-jun Park, Hee-geun Jeong, Seung-joo Nah
  • Publication number: 20200075643
    Abstract: An image sensor includes a semiconductor substrate having a first surface and a second surface, a pixel element isolation film extending through an interior of the semiconductor substrate and defining a plurality of active pixels in the semiconductor substrate, and a dummy element isolation film extending through the interior of the semiconductor substrate and extending along at least one side of the active pixels in a plan view and defining a plurality of dummy pixels in the semiconductor substrate. The pixel element isolation film may have a first end that is substantially coplanar with the first surface and has a first width in a first direction parallel to the first surface, and the dummy element isolation film has a first end that is substantially coplanar with the first surface and has a second width that is greater than the first width of the pixel element isolation film.
    Type: Application
    Filed: September 3, 2019
    Publication date: March 5, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dae-han HAN, Sun-hyun KIM, Han-seok KIM, Chung-ho SONG, Gyeong-hee LEE, Hee-geun JEONG
  • Publication number: 20190267413
    Abstract: A substrate includes a plurality of pixels arranged in a two-dimensional array structure and has a front side and a back side opposite to the front side. An interconnection is arranged on the front side of the substrate. An insulating layer, a color filter, and a micro-lens are arranged on the back side of the substrate. A pixel separation structure is disposed in the substrate. The pixel separation structure includes a conductive layer having a grid structure in a planar view of the image sensor and surrounds each of the plurality of pixels. A back side contact is vertically overlapped with and electrically connected to a grid point portion of the grid structure of the conductive layer of the pixel separation structure.
    Type: Application
    Filed: May 9, 2019
    Publication date: August 29, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Han-seok KIM, Byung-jun PARK, Hee-geun JEONG, Seung-joo NAH
  • Patent number: 10304887
    Abstract: A substrate includes a plurality of pixels arranged in a two-dimensional array structure and has a front side and a back side opposite to the front side. An interconnection is arranged on the front side of the substrate. An insulating layer, a color filter, and a micro-lens are arranged on the back side of the substrate. A pixel separation structure is disposed in the substrate. The pixel separation structure includes a conductive layer having a grid structure in a planar view of the image sensor and surrounds each of the plurality of pixels. A back side contact is vertically overlapped with and electrically connected to a grid point portion of the grid structure of the conductive layer of the pixel separation structure.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: May 28, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Han-seok Kim, Byung-jun Park, Hee-geun Jeong, Seung-joo Nah
  • Patent number: 10096637
    Abstract: A pixel of a complementary metal-oxide-semiconductor (CMOS) image sensor includes a semiconductor substrate having a first surface and a third surface formed by removing part of the semiconductor substrate from a second surface, an active region which is formed between the first surface and the third surface and which contains a photoelectric conversion element generating charges in response to light incident on the substrate at the third surface, and a trench-type isolation region formed from either of the first and third surfaces to isolate the active region from an adjacent active region. The trench-type isolation region is filled with first material in a process that leaves a void in the material, the void is filled or partially filled with second material, and then a layer of third material is formed over the resulting structure composed of the first and second materials.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: October 9, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Woo Chung, Tae Hun Lee, Hee Geun Jeong
  • Publication number: 20180286896
    Abstract: A substrate includes a plurality of pixels arranged in a two-dimensional array structure and has a front side and a back side opposite to the front side. An interconnection is arranged on the front side of the substrate. An insulating layer, a color filter, and a micro-lens are arranged on the back side of the substrate. A pixel separation structure is disposed in the substrate. The pixel separation structure includes a conductive layer having a grid structure in a planar view of the image sensor and surrounds each of the plurality of pixels. A back side contact is vertically overlapped with and electrically connected to a grid point portion of the grid structure of the conductive layer of the pixel separation structure.
    Type: Application
    Filed: January 4, 2018
    Publication date: October 4, 2018
    Inventors: Han-seok KIM, Byung-jun PARK, Hee-geun JEONG, Seung-joo NAH
  • Patent number: 9806113
    Abstract: Provided is a complementary metal-oxide-semiconductor (CMOS) image sensor. The CMOS image sensor can include a substrate having a first device isolation layer defining and dividing a first active region and a second active region, a photodiode disposed in the substrate and can be configured to vertically overlap the first device isolation layer, a transfer gate electrode can be disposed in the first active region and can be configured to vertically overlap the photodiode, and a floating diffusion region can be in the first active region. The transfer gate electrode can be buried in the substrate.
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: October 31, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Sun Oh, Kyung-Ho Lee, Jung-Chak Ahn, Hee-Geun Jeong
  • Publication number: 20170229500
    Abstract: An image sensor includes a first pixel that is in an active pixel region, a second pixel that is in a dummy region adjacent the active pixel region, and a first deep trench isolation (DTI) formed between the first pixel and the second pixel.
    Type: Application
    Filed: April 28, 2017
    Publication date: August 10, 2017
    Inventors: Jun Suk LEE, Jung Chak AHN, Hee Geun JEONG, Kyung Ho LEE