Patents by Inventor Jung Chak Ahn

Jung Chak Ahn 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: 11862660
    Abstract: An image sensor having pixels that include two patterned semiconductor layers. The top patterned semiconductor layer contains the photoelectric elements of pixels having substantially 100% fill-factor. The bottom patterned semiconductor layer contains transistors for detecting, resetting, amplifying and transmitting signals charges received from the photoelectric elements. The top and bottom patterned semiconductor layers may be separated from each other by an interlayer insulating layer that may include metal interconnections for conducting signals between devices formed in the patterned semiconductor layers and from external devices.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: January 2, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jung-Chak Ahn
  • Publication number: 20230275041
    Abstract: An image sensor includes a substrate having a first surface and a second surface opposing to the first surface, first pixel separation patterns defining a plurality of unit pixels, which include photoelectric conversion regions in the substrate, each of the first pixel separation patterns including a first conductive film and a second conductive film on the first conductive film, and microlenses on the second surface of the substrate, wherein the first conductive film extends along sidewalls of the second conductive film to separate the second conductive film from the substrate, the first conductive film has a greater reflectance than the second conductive film for a predetermined wavelength range, and the second conductive film has a greater step coverage than the first conductive film.
    Type: Application
    Filed: October 26, 2022
    Publication date: August 31, 2023
    Inventors: Young Gu JIN, Jung Chak AHN, Young Sun OH
  • Publication number: 20230143634
    Abstract: Disclosed is a semiconductor device including a substrate, a gate structure on the substrate, and including first and second sides extended in parallel with a first direction and spaced apart from each other in a second direction, and a third side extended in parallel with the second direction, and a plurality of source/drain areas including first and second source/drain areas spaced apart from each other in the second direction and a third source/drain area spaced apart from at least one of the first or second source/drain area in the first direction, the first and second source/drain areas overlap the first and second sides, respectively, the third source/drain area overlaps one of the first side or the third side, and a voltage applied to the first and second source/drain areas and a voltage applied to the third source/drain area operate based on their respective values different from each other.
    Type: Application
    Filed: July 4, 2022
    Publication date: May 11, 2023
    Inventors: Young Gu JIN, Jung Chak AHN, Won Seok LEE
  • Patent number: 11152419
    Abstract: An image sensor having pixels that include two patterned semiconductor layers. The top patterned semiconductor layer contains the photoelectric elements of pixels having substantially 100% fill-factor. The bottom patterned semiconductor layer contains transistors for detecting, resetting, amplifying and transmitting signals charges received from the photoelectric elements. The top and bottom patterned semiconductor layers may be separated from each other by an interlayer insulating layer that may include metal interconnections for conducting signals between devices formed in the patterned semiconductor layers and from external devices.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: October 19, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jung-Chak Ahn
  • Publication number: 20210296390
    Abstract: An image sensor having pixels that include two patterned semiconductor layers. The top patterned semiconductor layer contains the photoelectric elements of pixels having substantially 100% fill-factor. The bottom patterned semiconductor layer contains transistors for detecting, resetting, amplifying and transmitting signals charges received from the photoelectric elements. The top and bottom patterned semiconductor layers may be separated from each other by an interlayer insulating layer that may include metal interconnections for conducting signals between devices formed in the patterned semiconductor layers and from external devices.
    Type: Application
    Filed: June 7, 2021
    Publication date: September 23, 2021
    Inventor: Jung-Chak AHN
  • Patent number: 11094732
    Abstract: An image sensor having pixels that include two patterned semiconductor layers. The top patterned semiconductor layer contains the photoelectric elements of pixels having substantially 100% fill-factor. The bottom patterned semiconductor layer contains transistors for detecting, resetting, amplifying and transmitting signals charges received from the photoelectric elements. The top and bottom patterned semiconductor layers may be separated from each other by an interlayer insulating layer that may include metal interconnections for conducting signals between devices formed in the patterned semiconductor layers and from external devices.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: August 17, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jung-Chak Ahn
  • Patent number: 10923518
    Abstract: An image sensor and a method of fabricating the same are provided. The image sensor includes a substrate including photoelectric elements, a first color filter disposed on the substrate, a second color filter disposed on the substrate to be adjacent to the first color filter, a covering film disposed between sidewalls of the first and second color filters, and an air gap formed in the covering film.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: February 16, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hong Ki Kim, Jung Chak Ahn, In Sung Joe
  • Publication number: 20190393260
    Abstract: An image sensor having pixels that include two patterned semiconductor layers. The top patterned semiconductor layer contains the photoelectric elements of pixels having substantially 100% fill-factor. The bottom patterned semiconductor layer contains transistors for detecting, resetting, amplifying and transmitting signals charges received from the photoelectric elements. The top and bottom patterned semiconductor layers may be separated from each other by an interlayer insulating layer that may include metal interconnections for conducting signals between devices formed in the patterned semiconductor layers and from external devices.
    Type: Application
    Filed: September 4, 2019
    Publication date: December 26, 2019
    Inventor: JUNG-CHAK AHN
  • Patent number: 10367024
    Abstract: A semiconductor device includes a light-receiving element which outputs electric charges in response to incident light, and a drive transistor which is gated by an output of the light-receiving element to generate a source-drain current in proportion to the incident light, wherein the drive transistor include a first gate electrode, a first channel region which is disposed under the first gate electrode, first source-drain regions which are disposed at respective ends of the first channel region and that have a first conductivity type, and a first channel stop region which is disposed on a side of the first channel region, and that separates the light-receiving element and the first channel region, the first channel stop region having a second conductivity type that is different from the first conductivity type.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: July 30, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seungjoo Nah, Jung-Chak Ahn, Kyung-Ho Lee
  • Publication number: 20190198555
    Abstract: An image sensor having pixels that include two patterned semiconductor layers. The top patterned semiconductor layer contains the photoelectric elements of pixels having substantially 100% fill-factor. The bottom patterned semiconductor layer contains transistors for detecting, resetting, amplifying and transmitting signals charges received from the photoelectric elements. The top and bottom patterned semiconductor layers may be separated from each other by an interlayer insulating layer that may include metal interconnections for conducting signals between devices formed in the patterned semiconductor layers and from external devices.
    Type: Application
    Filed: February 26, 2019
    Publication date: June 27, 2019
    Inventor: JUNG-CHAK AHN
  • Publication number: 20190157329
    Abstract: An image sensor and a method of fabricating the same are provided. The image sensor includes a substrate including photoelectric elements, a first color filter disposed on the substrate, a second color filter disposed on the substrate to be adjacent to the first color filter, a covering film disposed between sidewalls of the first and second color filters, and an air gap formed in the covering film.
    Type: Application
    Filed: June 21, 2018
    Publication date: May 23, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hong Ki KIM, Jung Chak Ahn, In Sung Joe
  • Patent number: 10249677
    Abstract: An image sensor having pixels that include two patterned semiconductor layers. The top patterned semiconductor layer contains the photoelectric elements of pixels having substantially 100% fill-factor. The bottom patterned semiconductor layer contains transistors for detecting, resetting, amplifying and transmitting signals charges received from the photoelectric elements. The top and bottom patterned semiconductor layers may be separated from each other by an interlayer insulating layer that may include metal interconnections for conducting signals between devices formed in the patterned semiconductor layers and from external devices.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: April 2, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jung-Chak Ahn
  • Patent number: 10128288
    Abstract: Image sensors and image processing devices including the image sensors are provided. The image sensors may include a semiconductor substrate including a plurality of pixel areas, a photodiode provided in the semiconductor substrate in one of the plurality of pixel areas and a transfer transistor having a transfer gate electrode. A portion of the transfer gate electrode may be in the semiconductor substrate and may extend toward the photodiode. The image sensors may also include a floating diffusion configured to accumulate charges transferred from the photodiode by the transfer transistor, and the floating diffusion may include a first area and a second area disposed on different sides of the transfer gate electrode.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: November 13, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Sun Oh, Jung Chak Ahn, Young Woo Jung
  • Patent number: 10096632
    Abstract: An image sensor includes a substrate having a first pixel region and a second pixel region adjacent to the first pixel region, a device isolation layer between the first pixel region and the second pixel region and isolating the first pixel region and the second pixel region from each other, a first transistor disposed in the first pixel region, a second transistor disposed in the second pixel region, and a wiring structure electrically connecting the first transistor and the second transistor. The device isolation layer has a deep trench isolation (DTI) structure which extends from a top surface toward a bottom surface of the substrate.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: October 9, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Sun Oh, Yi Tae Kim, Jung Chak Ahn
  • Publication number: 20180219042
    Abstract: An image sensor having pixels that include two patterned semiconductor layers. The top patterned semiconductor layer contains the photoelectric elements of pixels having substantially 100% fill-factor. The bottom patterned semiconductor layer contains transistors for detecting, resetting, amplifying and transmitting signals charges received from the photoelectric elements. The top and bottom patterned semiconductor layers may be separated from each other by an interlayer insulating layer that may include metal interconnections for conducting signals between devices formed in the patterned semiconductor layers and from external devices.
    Type: Application
    Filed: March 27, 2018
    Publication date: August 2, 2018
    Inventor: JUNG-CHAK AHN
  • Patent number: 9966407
    Abstract: A unit pixel of an image sensor which operates in global shutter mode is provided. The unit pixel includes a photo diode area including a photo diode configured to accumulate photocharges generated from incident light during a first period and a storage diode area including a storage diode configured to receive and store the photocharges from the photo diode. The photo diode corresponds to a micro lens that focuses the incident light.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: May 8, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Chan Kim, Jung Chak Ahn, Hyuk Soon Choi, Kyung Ho Lee, Jun Suk Lee, Young Woo Jung
  • Patent number: 9954025
    Abstract: An image sensor having pixels that include two patterned semiconductor layers. The top patterned semiconductor layer contains the photoelectric elements of pixels having substantially 100% fill-factor. The bottom patterned semiconductor layer contains transistors for detecting, resetting, amplifying and transmitting signals charges received from the photoelectric elements. The top and bottom patterned semiconductor layers may be separated from each other by an interlayer insulating layer that may include metal interconnections for conducting signals between devices formed in the patterned semiconductor layers and from external devices.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: April 24, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jung-Chak Ahn
  • Patent number: 9893123
    Abstract: An image sensor includes a substrate comprising a first face and a second surface which faces the first surface and on which light is incident, a semiconductor photoelectric conversion device on the substrate, a gate electrode located between the first surface of the substrate and the semiconductor photoelectric conversion device and extending in a first direction perpendicular to the first surface, and an organic photoelectric conversion device stacked on the second surface of the substrate.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: February 13, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae-yon Lee, Kyoung-won Na, Jung-chak Ahn, Myung-won Lee, Joo-yeong Gong
  • Patent number: 9887217
    Abstract: Pixels of image sensors are provided. The pixels may include a photo diode configured to accumulate photocharges generated therein corresponding to incident light during a first period, a storage diode configured to store photocharges accumulated in the photo diode and a storage gate configured to control transfer of the photocharges accumulated in the photo diode to the storage diode. The storage gate may include a vertical gate structure extending toward the photo diode.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: February 6, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung Chak Ahn, Seung Joo Nah, Kyung Ho Lee, Young Woo Jung
  • Patent number: RE49209
    Abstract: An image sensor includes a plurality of photoelectric detectors, a plurality of color filters, and at least one pixel isolation region between adjacent ones of the photoelectric detectors. The color filters include a white color filter, and the color filters correspond to respective ones of the photoelectric detectors. The at least one pixel isolation region serves to physically and at least partially optically separate the photoelectric detectors from one another.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: September 13, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-Chak Ahn, Bum-Suk Kim