Patents by Inventor Ki-Nyeng Kang

Ki-Nyeng Kang 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).

  • Publication number: 20220157255
    Abstract: A display device including a substrate including a display area and a non-display area, a plurality of signal lines disposed in the display area and extending along a first direction and from the non-display area to the display area, a connection line extending from the non-display area and electrically connected to a respective signal line of the plurality of signal lines in the non-display area, and an initialization voltage line extending in a second direction intersecting the first direction, wherein the connection line overlaps the initialization voltage line in a thickness direction of the display device.
    Type: Application
    Filed: February 4, 2022
    Publication date: May 19, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Seung Hwan CHO, Ki Nyeng KANG, Sang Hoon LEE, Sun Ho KIM, Tae Woo KIM, Tae Hoon YANG, Jong Hyun CHOI
  • Publication number: 20220149255
    Abstract: A display device includes a base layer, a first pixel electrode disposed in a first direction on the base layer and to which a first driving voltage is applied, a second pixel electrode disposed in the first direction on the base layer and to which a second driving voltage is applied, a first light-emitting element and a second light-emitting element electrically connected to the first pixel electrode and the second pixel electrode, a connection electrode electrically connecting the first pixel electrode and the first light-emitting element, and electrically connecting the second light-emitting element and the second pixel electrode, and a bank overlapping at least a portion of the first pixel electrode and at least a portion of the second pixel electrode and surrounding a light-emitting area in which the first light-emitting element and the second light-emitting element are disposed. A portion of the connection electrode overlaps the bank.
    Type: Application
    Filed: June 24, 2021
    Publication date: May 12, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Wook LEE, No Kyung PARK, Ki Nyeng KANG, Sung Won JO
  • Publication number: 20220140194
    Abstract: A display device includes a first electrode group including a plurality of electrodes, a second electrode group spaced apart from the first electrode group in the first direction and including a plurality of electrodes, light-emitting elements disposed on the electrodes spaced apart from one another in the second direction and having a shape extended in the second direction, and connection electrodes. The connection electrodes includes a first connection electrode, a second connection electrode, a third connection electrode, a fourth connection electrode, and the fifth connection electrode, the first connection electrode is spaced apart from a part of the fourth connection electrode disposed on the second electrode group in the first direction, and the second connection electrode is spaced apart from another part of the fourth connection electrode disposed on the first electrode group in the first direction.
    Type: Application
    Filed: August 9, 2021
    Publication date: May 5, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Myeong Hun SONG, Jong Hwan CHA, Ki Nyeng KANG, Hee Jung YOON, Sung Jin LEE, Jong Chan LEE, Tae Hee LEE, Kyung Ah CHOI, Seung Jin CHU
  • Publication number: 20220077254
    Abstract: A display device includes an emission area and a sub-region spaced apart from the emission area in a first direction, electrodes extending in the first direction, disposed across the emission area and the sub-region, and spaced apart from each other in a second direction, a first bank surrounding the emission area and the sub-region, and light emitting elements disposed on the electrodes spaced apart in the second direction in the emission area. The first bank includes trench portions in which a top surface of the first bank is partially depressed. The trench portions are disposed between the emission area and the sub-region.
    Type: Application
    Filed: August 25, 2021
    Publication date: March 10, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Wook LEE, Ki Nyeng KANG, Basrur VEIDHES, Sung Won JO, Jung Eun HONG
  • Patent number: 11244628
    Abstract: A display device including a substrate including a display area and a non-display area, a plurality of signal lines disposed in the display area and extending along a first direction and from the non-display area to the display area, a connection line extending from the non-display area and electrically connected to a respective signal line of the plurality of signal lines in the non-display area, and an initialization voltage line extending in a second direction intersecting the first direction, wherein the connection line overlaps the initialization voltage line in a thickness direction of the display device.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: February 8, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Hwan Cho, Ki Nyeng Kang, Sang Hoon Lee, Sun Ho Kim, Tae Woo Kim, Tae Hoon Yang, Jong Hyun Choi
  • Publication number: 20210407970
    Abstract: A pixel may include a pixel circuit layer including at least one transistor and a first electrode disposed on a substrate, and a first insulating layer disposed on the at least one transistor and the first electrode, and a display element layer disposed on the pixel circuit layer, the display element layer including a second electrode electrically connected to the at least one transistor, and a plurality of light emitting elements electrically connected to each of the first and second electrodes. The first electrode and the second electrode may be disposed on different layers and may be spaced apart from each other. The plurality of light emitting elements may overlap the first and second electrodes in a plan view and a cross-sectional view.
    Type: Application
    Filed: March 24, 2021
    Publication date: December 30, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Wook LEE, Ki Nyeng KANG, Jin Taek KIM, Tae Woo KIM, Hee Keun LEE, Kyung Tae CHAE
  • Publication number: 20210376210
    Abstract: A pixel includes a first insulating film disposed on a substrate, a light emitting element disposed on the first insulating film, a second insulating film disposed on the light emitting element to cover at least a portion of the light emitting element, a first contact electrode and a second contact electrode, each of the first and second contact electrodes including at least a portion disposed on the first insulating film and connected to the light emitting element, and an encapsulation layer including a photosensitive material.
    Type: Application
    Filed: April 5, 2021
    Publication date: December 2, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Wook LEE, Ki Nyeng KANG, Ki Bum KIM, Jin Taek KIM, Kyung Tae CHAE
  • Publication number: 20210367024
    Abstract: A display device including: a substrate; a conductive layer on the substrate and including a first voltage line and a second voltage line extending in a first direction; a first electrode and a second electrode on the conductive layer, extending in the first direction, and spaced apart from each other; a plurality of light-emitting elements on the first electrode and the second electrode; and an electrode pattern on the conductive layer and separated from the first electrode. The electrode pattern overlaps the first voltage line in a thickness direction and directly contacts the first voltage line.
    Type: Application
    Filed: April 21, 2021
    Publication date: November 25, 2021
    Inventors: Ki Bum KIM, Kyung Tae CHAE, Ki Nyeng KANG, Jin Taek KIM, Hyun Wook LEE
  • Publication number: 20210287579
    Abstract: A display device inspection method includes: checking connection failures of light emitting elements included in a pixel and connected in series based on a first control signal, a second control signal, and a voltage of an initialization power source, wherein the pixel comprises: a pixel circuit controlling a current flowing from a first power source to a second node in response to a voltage of a first node; a first light emitting element connected to the second node; a first transistor controlling the voltage of the initialization power source supplied to the second node; a second light emitting element electrically connected between the first light emitting element and a second power source; and a second transistor having a first electrode connected to a third node between the first light emitting element and the second light emitting element, and a gate electrode connected to a first inspection control line.
    Type: Application
    Filed: December 9, 2020
    Publication date: September 16, 2021
    Inventors: Ki Nyeng KANG, Min Joo KIM, Tae Hoon YANG, Sang Hoon LEE, Seon Beom JI
  • Publication number: 20210217841
    Abstract: A display device includes a base layer including an active area and a peripheral area outside the active area, a circuit element layer including a pixel in the active area of the base layer, a light emitting element layer including light emitting elements on the circuit element layer, a thin film encapsulation layer covering the light emitting element layer and including an organic layer, and an input detection layer on the thin film encapsulation layer and including a detection electrode and a detection wire connected to the detection electrode. The circuit element layer includes a connection wire overlapping the detection wire in the peripheral area, and a contact part to connect the detection wire and the connection wire in the peripheral area. The contact part is spaced apart from the organic layer of the thin film encapsulation layer on a plane.
    Type: Application
    Filed: September 29, 2020
    Publication date: July 15, 2021
    Inventors: Ki Nyeng KANG, Hyun KIM, Seungmin SONG, Minseong YI, Sanghoon Lee, Seonbeom JI, Jung Eun HONG
  • Publication number: 20210210582
    Abstract: A display device includes a substrate including an opening area in a display area and a non-display area between the display area and the opening area; signal wires disposed in the non-display area to bypass the opening area, and at least one groove disposed between the signal wires.
    Type: Application
    Filed: August 27, 2020
    Publication date: July 8, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Sang Hoon LEE, Ki Nyeng KANG, Tae Woo KIM, Tae Hoon YANG, Seon Beom JI, Jong Hyun CHOI
  • Publication number: 20210176879
    Abstract: A method of fabricating a display device may include preparing a display panel, attaching a film portion to the display panel, forming an alignment key on or in the film portion, recognizing the alignment key using an alignment module with a camera, aligning a window to the film portion using the alignment module, removing at least a portion of the film portion, and combining the display panel with the window.
    Type: Application
    Filed: August 6, 2020
    Publication date: June 10, 2021
    Inventors: Seungmin SONG, Ki Nyeng KANG, Seonbeom JI, Taehoon YANG, Jonghyun CHOI
  • Publication number: 20210136934
    Abstract: A display device includes: a display panel including first and second areas, and a bending portion between the first and second areas; and a cover window on the display panel. The first area is between the cover window and the second area when the display panel is in a bent state, the first bending portion is between the cover window and the third bending portion when the display panel is in the bent state, and the bending portion includes a first bending portion extending from the first area, a second bending portion extending from the first bending portion, and a third bending portion between the second bending portion and the second area. A radius of curvature of the second bending portion is less than that of the first bending portion, and the radius of curvature of the second bending portion is less than that of the third bending portion.
    Type: Application
    Filed: June 29, 2020
    Publication date: May 6, 2021
    Inventors: Ki Nyeng KANG, Min Soo KIM, Jong Hyun CHOI
  • Publication number: 20210136911
    Abstract: A display device includes: a display panel including a bending area; and a first passivation film and a second passivation film disposed on a first surface of the display panel to be spaced apart from each other. The second passivation film includes a first flat portion and a first stepped portion overlapping the bending area, and a thickness of the first stepped portion is less than a thickness of the first flat portion.
    Type: Application
    Filed: June 30, 2020
    Publication date: May 6, 2021
    Inventors: Seung Min SONG, Ki Nyeng KANG, Seon Beom JI, Tae Hoon YANG
  • Publication number: 20210126076
    Abstract: A display device includes a substrate including a display area including pixels, and a light transmissive area including a portion in the display area, and signal lines disposed in the display area and electrically connected with the pixels, where the signal lines include a first signal line on a first side, a second signal line on a second side and arranged with the first signal line in a first direction, and a third signal line on a third side, and the third signal line is arranged with the first signal line and the second signal line in a second direction, the first and second signal lines are insulated from each other in the display area, and a length of the third signal line is longer than a length of the second signal line in the first direction.
    Type: Application
    Filed: June 29, 2020
    Publication date: April 29, 2021
    Inventors: Sang Hoon LEE, Ki Nyeng KANG, Sun Kwang KIM, Tae Woo KIM, Jong Hyun CHOI, Tae Hoon YANG
  • Publication number: 20210088978
    Abstract: A display device includes a substrate having a through-hole. The display device also includes a display unit formed on the substrate and surrounding the through-hole, and the display unit is configured to display an image and includes pixels.
    Type: Application
    Filed: December 4, 2020
    Publication date: March 25, 2021
    Inventors: KI NYENG KANG, KEUM NAM KIM, JONG HYUN CHOI
  • Patent number: 10877440
    Abstract: A display device includes a substrate having a through-hole. The display device also includes a display unit formed on the substrate and surrounding the through-hole, and the display unit is configured to display an image and includes pixels.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: December 29, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Nyeng Kang, Keum Nam Kim, Jong Hyun Choi
  • Publication number: 20200380918
    Abstract: A display device including a substrate including a display area and a non-display area, a plurality of signal lines disposed in the display area and extending along a first direction and from the non-display area to the display area, a connection line extending from the non-display area and electrically connected to a respective signal line of the plurality of signal lines in the non-display area, and an initialization voltage line extending in a second direction intersecting the first direction, wherein the connection line overlaps the initialization voltage line in a thickness direction of the display device.
    Type: Application
    Filed: March 27, 2020
    Publication date: December 3, 2020
    Applicant: Samsung Display Co., LTD.
    Inventors: Seung Hwan CHO, Ki Nyeng KANG, Sang Hoon LEE, Sun Ho KIM, Tae Woo KIM, Tae Hoon YANG, Jong Hyun CHOI
  • Patent number: D942981
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: February 8, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Joo Kim, Jong Hyun Choi, Ki Nyeng Kang, Min Soo Kim
  • Patent number: D948505
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: April 12, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Joo Kim, Jong Hyun Choi, Ki Nyeng Kang, Min Soo Kim