Patents by Inventor Seung-Jin CHU

Seung-Jin CHU 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: 11942574
    Abstract: A display device includes a first electrode disposed on a substrate, a first insulating film disposed on the first electrode and having a first opening formed, a second insulating film disposed on the first insulating film and having a second opening, and a contact electrode electrically contacting at least a portion of the first electrode through the first opening and the second opening, wherein a side surface of the first insulating film defines the first opening, and the second insulating film overlaps the side surface of the first insulating film such that the contact electrode and the first insulating film are not in contact with each other.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Jin Chu, Je Min Lee, Hyun Kim, Myeong Hun Song, Jong Chan Lee, Woong Hee Jeong
  • Publication number: 20240061288
    Abstract: An exemplary display device includes: a display panel; a color conversion panel overlapping the display panel; and an optical bonding layer positioned between the display panel and the color conversion panel. The color conversion panel includes: a substrate; a color conversion layer and a transmission layer positioned between the substrate and the display panel; a first capping layer having one side facing the color conversion layer and the transmission layer, and another side facing the display panel; a second capping layer positioned between the first capping layer and the display panel; and an optical layer positioned between the first capping layer and the second capping layer and/or between the second capping layer and the optical bonding layer. A refractive index of the optical layer is lower than at least one of a refractive index of the first capping layer and a refractive index of the second capping layer.
    Type: Application
    Filed: October 27, 2023
    Publication date: February 22, 2024
    Inventors: Seung-Jin CHU, Seung-Jin BAEK, Young Min KIM, Hae Il PARK, Kun Hee JO
  • Patent number: 11877512
    Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a compound represented by Formula 1, thereby showing excellent emission efficiency properties and long-life characteristics:
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: January 16, 2024
    Assignees: Samsung Display Co., Ltd., Lapto Co., Ltd.
    Inventors: SeulOng Kim, Eu Gene Oh, Hyein Jeong, Seung-Jin Chu, Munsoo Kim, Juwan Maeng, Kap Jong Han
  • Publication number: 20230413592
    Abstract: A light emitting element includes: a first electrode, a second electrode facing the first electrode, a first light emitting layer between the first electrode and the second electrode to emit a first light, a second light emitting layer between the first light emitting layer and the second electrode to emit a second light, and an intermediate layer including a host material between the first light emitting layer and the second light emitting layer and, wherein the intermediate layer has a thickness of from about 90 nm to 170 nm.
    Type: Application
    Filed: August 14, 2023
    Publication date: December 21, 2023
    Inventors: SUNGWOOK KIM, Kyungsik KIM, SeulOng KIM, TSUYOSHI NAIJO, SUNG-SOO BAE, Dongchan LEE, HYEIN JEONG, Hyewon CHOI, Seung-Jin CHU, Jaeweon HUR
  • Publication number: 20230411568
    Abstract: A display device in accordance with an embodiment may include light emitting elements on a base layer; a bank on the base layer and protruding in a thickness direction of the base layer; and a color conversion layer on the light emitting elements in an area adjacent to the bank, the color conversion layer including quantum dots that convert a color of a light. The bank may include a main body and protrusions protruding from the main body toward the light emitting elements.
    Type: Application
    Filed: April 21, 2023
    Publication date: December 21, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jeong Hyun LEE, Jin Woo LEE, Zu Seok OH, Seung Jin CHU
  • Patent number: 11829023
    Abstract: An exemplary display device includes: a display panel; a color conversion panel overlapping the display panel; and an optical bonding layer positioned between the display panel and the color conversion panel. The color conversion panel includes: a substrate; a color conversion layer and a transmission layer positioned between the substrate and the display panel; a first capping layer having one side facing the color conversion layer and the transmission layer, and another side facing the display panel; a second capping layer positioned between the first capping layer and the display panel; and an optical layer positioned between the first capping layer and the second capping layer and/or between the second capping layer and the optical bonding layer. A refractive index of the optical layer is lower than at least one of a refractive index of the first capping layer and a refractive index of the second capping layer.
    Type: Grant
    Filed: October 18, 2022
    Date of Patent: November 28, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Jin Chu, Seung-Jin Baek, Young Min Kim, Hae Il Park, Kun Hee Jo
  • Publication number: 20230352639
    Abstract: A display device includes a substrate including a plurality of pixels, a first electrode and a second electrode disposed on the substrate and spaced apart from each other, an insulating reflective layer disposed on the first electrode and the second electrode, and a plurality of light emitting elements disposed between the first electrode and the second electrode and electrically connected to the first electrode and the second electrode, wherein the insulating reflective layer includes a plurality of first layers and the plurality of second layers having different refractive indexes, and the the plurality of first layers and the the plurality of second layers are alternately stacked with each other.
    Type: Application
    Filed: July 8, 2021
    Publication date: November 2, 2023
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung Hwan YI, Jin Taek KIM, Yong Sub SHIM, Seung Min LEE, Hee Keun LEE, Baek Hyeon LIM, Kyung Tae CHAE, Hae Ju YUN, Seung Jin CHU
  • Publication number: 20230335575
    Abstract: A display device including a display area and a non-display area includes: a light emitting element on a base layer in the display area; a dam member on the base layer in the non-display area; a color filter layer disposed in the display area and the non-display area and including an outer color filter layer disposed in the non-display area; and a cover layer on the color filter layer. The cover layer may cover at least a portion of the outer color filter layer.
    Type: Application
    Filed: October 28, 2022
    Publication date: October 19, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jin Woo LEE, Cheon Jae MAENG, Zu Seok OH, Jae Hyoung YOUN, Jeong Hyun LEE, Seung Jin CHU
  • Publication number: 20230317766
    Abstract: A display device includes a lower electrode, middle electrodes above the lower electrode, and spaced apart from each other, upper electrodes above the middle electrodes, and spaced apart from each other, light emitting elements between the upper electrodes, and connection electrodes above the light emitting elements, and electrically connected to the light emitting elements.
    Type: Application
    Filed: January 17, 2023
    Publication date: October 5, 2023
    Inventors: Seung Jin CHU, Dong Woo KIM
  • Patent number: 11778844
    Abstract: A light emitting element includes: a first electrode, a second electrode facing the first electrode, a first light emitting layer between the first electrode and the second electrode to emit a first light, a second light emitting layer between the first light emitting layer and the second electrode to emit a second light, and an intermediate layer including a host material between the first light emitting layer and the second light emitting layer and, wherein the intermediate layer has a thickness of from about 90 nm to 170 nm.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: October 3, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sungwook Kim, Kyungsik Kim, SeulOng Kim, Tsuyoshi Naijo, Sung-Soo Bae, Dongchan Lee, Hyein Jeong, Hyewon Choi, Seung-Jin Chu, Jaeweon Hur
  • Publication number: 20230261143
    Abstract: A display device includes: a first substrate; a first conductive layer including a first voltage line and a second voltage line on the first substrate; a first transistor on the first conductive layer and electrically connected to the first voltage line; a plurality of first banks on the first transistor and spaced apart from each other; a first electrode on the plurality of first banks and electrically connected to the first transistor, and a second electrode on the plurality of first banks and electrically connected to the second voltage line; a plurality of light-emitting diodes on the first electrode and the second electrode; and a first contact electrode coming into contact with an end portion of each of the light-emitting diodes and on the first electrode, and a second contact electrode coming into contact with another end portion of each of the light-emitting diodes and on the second electrode.
    Type: Application
    Filed: September 7, 2021
    Publication date: August 17, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jong Hwan CHA, Seung Jin CHU, Je Min LEE
  • Publication number: 20230246134
    Abstract: The display device includes: a substrate; a first electrode and a second electrode that are disposed on the substrate and spaced apart from each other; a first insulating layer disposed between the first electrode and the second electrode and covering the first electrode and the second electrode; and a light emitting element disposed on the first insulating layer and extending in a first direction. The light emitting element includes: a first side extending in the first direction; a second side opposite to the first side; a first lateral side connecting first end portions of the first and second sides; and a second lateral side connecting second end portions of the first and second sides. Each of a first interior angle and a second interior angle, which are formed by the first side and the first and second lateral sides, is an acute angle.
    Type: Application
    Filed: August 11, 2020
    Publication date: August 3, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jong Chan LEE, Hyun KIM, Sung Jin LEE, Jeong Hyun LEE, Tae Hee LEE, Seung Jin CHU
  • Patent number: 11668969
    Abstract: A display panel includes a first display substrate, a second display substrate. The second display substrate includes a substrate, a color conversion layer including a first conversion part configured to absorb light of a first color and to emit light of a second color, a second conversion part configured to absorb the light of the first color and to emit light of a third color, and a third conversion part configured to transmit the light of the first color, and a filter layer including a first filter overlapping with the first conversion part and having the second color, a second filter overlapping with the second conversion part and having the third color, a third filter overlapping with the third conversion part and having the first color, and an auxiliary filter overlapping with the second conversion part and configured to absorb the light of the first color.
    Type: Grant
    Filed: October 11, 2021
    Date of Patent: June 6, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Jin Chu, Hoon Kim, Wontae Kim, Yeogeon Yoon, Hee-Keun Lee
  • Publication number: 20230128161
    Abstract: A display device includes a first electrode and a second electrode spaced apart from each other on a substrate; a first insulating layer disposed between the first electrode and the second electrode, and not overlapping the first electrode and the second electrode in a thickness direction of the first insulating layer; and a light emitting element disposed on the first insulating layer, wherein side surfaces of the first insulating layer contact the first electrode and the second electrode.
    Type: Application
    Filed: June 10, 2020
    Publication date: April 27, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Myeong Hun SONG, Sung Jin LEE, Jong Chan LEE, Tae Hee LEE, Hyun Wook LEE, Seung Jin CHU
  • Publication number: 20230049324
    Abstract: An exemplary display device includes: a display panel; a color conversion panel overlapping the display panel; and an optical bonding layer positioned between the display panel and the color conversion panel. The color conversion panel includes: a substrate; a color conversion layer and a transmission layer positioned between the substrate and the display panel; a first capping layer having one side facing the color conversion layer and the transmission layer, and another side facing the display panel; a second capping layer positioned between the first capping layer and the display panel; and an optical layer positioned between the first capping layer and the second capping layer and/or between the second capping layer and the optical bonding layer. A refractive index of the optical layer is lower than at least one of a refractive index of the first capping layer and a refractive index of the second capping layer.
    Type: Application
    Filed: October 18, 2022
    Publication date: February 16, 2023
    Inventors: Seung-Jin CHU, Seung-Jin BAEK, Young Min KIM, Hae Il PARK, Kun Hee JO
  • Publication number: 20230032275
    Abstract: A display device includes a substrate, first and second bridge electrodes on the substrate and spaced apart from each other, a first electrode on the first bridge electrode, a second electrode on the second bridge electrode and spaced apart from the first electrode, a first insulating layer on the first electrode and the second electrode, a light emitting element on the first insulating layer, and on the first electrode and the second electrode, a first connection electrode on the first electrode, and contacting the light emitting element and the first bridge electrode, and a second connection electrode on the second electrode, and contacting the light emitting element and the second bridge electrode, wherein the first electrode directly contacts the first bridge electrode, and is separated from the first connection electrode, and wherein the second electrode directly contacts the second bridge electrode, and is separated from the second connection electrode.
    Type: Application
    Filed: May 20, 2022
    Publication date: February 2, 2023
    Inventors: Myeong Hun SONG, Jong Chan LEE, Hyun KIM, Jeong Kook WANG, In Woo KIM, Seung Jin CHU, Jeong Su PARK, Yong Tae CHO
  • Publication number: 20220406978
    Abstract: A display device includes a display area, and a pad area, a first electrode and a second electrode extending in a first direction in the display area and spaced apart from each other in a second direction, light emitting elements disposed on the first electrode and the second electrode in the display area, pad lines extending in the first direction in the pad area and spaced apart from each other in the second direction, dummy lines extending in the first direction in the pad area and spaced apart from the pad lines in the second direction, and dummy patterns electrically connected to at least part of the dummy lines. The dummy lines include first dummy lines and second dummy lines spaced apart from the first dummy lines in the first direction.
    Type: Application
    Filed: February 2, 2022
    Publication date: December 22, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Myeong Hun SONG, Ki Nyeng KANG, Je Min LEE, Seung Jin CHU
  • Patent number: 11480824
    Abstract: An exemplary display device includes: a display panel; a color conversion panel overlapping the display panel; and an optical bonding layer positioned between the display panel and the color conversion panel. The color conversion panel includes: a substrate; a color conversion layer and a transmission layer positioned between the substrate and the display panel; a first capping layer having one side facing the color conversion layer and the transmission layer, and another side facing the display panel; a second capping layer positioned between the first capping layer and the display panel; and an optical layer positioned between the first capping layer and the second capping layer and/or between the second capping layer and the optical bonding layer. A refractive index of the optical layer is lower than at least one of a refractive index of the first capping layer and a refractive index of the second capping layer.
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: October 25, 2022
    Inventors: Seung-Jin Chu, Seung-Jin Baek, Young Min Kim, Hae Il Park, Kun Hee Jo
  • Publication number: 20220199713
    Abstract: A display device includes: a substrate; a first bank including a first sub-bank and a second sub-bank spaced apart from each other on the substrate; a first electrode on the first sub-bank; a second electrode on the second sub-bank and spaced apart from the first electrode; and a light-emitting element between the first sub-bank and the second sub-bank. Each of the first and second sub-banks has a first area having a concave curved shape in a cross section and being adjacent to the light-emitting element. The first electrode has a first section extending beyond the first sub-bank toward the light-emitting element, the second electrode has a first section extending beyond the second sub-bank toward the light-emitting element, and a width of the first section of the first electrode is different from a width of the first section of the second electrode.
    Type: Application
    Filed: September 3, 2021
    Publication date: June 23, 2022
    Inventors: In Woo KIM, Jae Hee KIM, Myeong Hun SONG, Ho Kyun AHN, Jeong Kook WANG, Seung Jin CHU
  • Publication number: 20220181521
    Abstract: A display device includes a first electrode disposed on a substrate, a first insulating film disposed on the first electrode and having a first opening formed, a second insulating film disposed on the first insulating film and having a second opening, and a contact electrode electrically contacting at least a portion of the first electrode through the first opening and the second opening, wherein a side surface of the first insulating film defines the first opening, and the second insulating film overlaps the side surface of the first insulating film such that the contact electrode and the first insulating film are not in contact with each other.
    Type: Application
    Filed: August 31, 2021
    Publication date: June 9, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Seung Jin CHU, Je Min LEE, Hyun KIM, Myeong Hun SONG, Jong Chan LEE, Woong Hee JEONG