Patents by Inventor Kijune LEE

Kijune LEE 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: 20240107833
    Abstract: A display panel includes: a base layer, a pixel circuit, insulating layers, an organic layer, a first signal line, and a light emitting element. The base layer includes a boundary area and a pixel area, and openings corresponding to the boundary area are defined in the insulating layers. The pixel circuit overlaps the pixel area in a plan view, and the light emitting element is disposed on a top of the insulating layers and electrically connected to the pixel circuit. The organic layer is placed to fill the opening. The first signal line does not overlap the boundary area and overlaps the pixel area in the plan view. The boundary area includes a first boundary part and a second boundary part spaced apart with the first signal line therebetween in the plan view.
    Type: Application
    Filed: July 2, 2023
    Publication date: March 28, 2024
    Inventors: JINHO JU, MINJEONG OH, KIJUNE LEE, SUNGEUN LEE
  • Publication number: 20240090260
    Abstract: A display apparatus includes a substrate including a display area on which a display element is disposed, an emission control transistor which is disposed in the display area, includes a first semiconductor layer, and is connected to a pixel electrode of an organic light-emitting diode, a switching transistor disposed in the display area and including a second semiconductor layer, and a first initialization transistor disposed in the display area and including a third semiconductor layer, wherein the first semiconductor layer and the second semiconductor layer each include a silicon semiconductor, the third semiconductor layer includes an oxide semiconductor, and at least one of the emission control transistor, the switching transistor, and the first initialization transistor includes a dual gate electrode.
    Type: Application
    Filed: April 21, 2023
    Publication date: March 14, 2024
    Inventors: Jonghyun CHOI, Younjoon KIM, Kijune LEE
  • Publication number: 20240069593
    Abstract: A display device includes an electronic panel including a first non-folding region, a folding region, and a second non-folding region arranged in a first direction, a support plate disposed under the electronic panel, and a hinge member that defines biaxial rotational axes that are spaced apart from each other in the first direction and that extend in a second direction crossing the first direction. The electronic panel is folded inward or outward about the biaxial rotational axes, and the biaxial rotational axes are defined over or under the support plate depending on a folding direction of the electronic panel.
    Type: Application
    Filed: June 7, 2023
    Publication date: February 29, 2024
    Inventors: YOUN JOON KIM, HEE-SUK NAMGUNG, MINJEONG OH, KIJUNE LEE, SUNGEUN LEE, JINHO JU, JONGHYUN CHOI
  • Publication number: 20240057392
    Abstract: A display apparatus includes a first pixel area and a second pixel area adjacent to each other along a first direction, a first boundary between the first pixel area and the second pixel area, a first insulating layer which is in the first and second pixel areas, a first trench which is defined in the first insulating layer and corresponds to the first boundary, a first pixel separation layer which is in the first trench, the first pixel separation layer and including a material different from a material of the first insulating layer, and a first conductive line which connects the first pixel area to the second pixel area, the first conductive line being between the first insulating layer and the first pixel separation layer.
    Type: Application
    Filed: February 2, 2023
    Publication date: February 15, 2024
    Inventors: Minjeong Oh, Beomyeol Park, Kijune Lee, Sungeun Lee, Jinho Ju, Jonghyun Choi
  • Publication number: 20240057412
    Abstract: A display apparatus includes: a substrate including a sub-pixel area, a lower conductive layer disposed on the substrate and including a connection line, a first semiconductor layer disposed on the lower conductive layer, a gate conductive layer disposed on the lower conductive layer and connected to the connection line, an inorganic insulating layer disposed on the substrate and defining a groove therein surrounding the sub-pixel area, and a connection electrode layer disposed on the inorganic insulating layer and connected to the gate conductive layer, where the connection line is disposed to cross the groove in a plan view.
    Type: Application
    Filed: May 19, 2023
    Publication date: February 15, 2024
    Inventors: Jinho JU, Minjeong OH, Kijune LEE, Sungeun LEE
  • Publication number: 20240040875
    Abstract: A display apparatus includes a substrate including a plurality of pixel circuit areas and a plurality of wiring areas, each of the wiring areas being arranged between corresponding adjacent pixel circuit areas of the plurality of pixel circuit areas, a pixel circuit arranged in each of the plurality of pixel circuit areas and including at least one thin film transistor, a plurality of wirings arranged in the pixel circuit areas and the wiring areas, and a display element connected to the pixel circuit. The first width of the wirings arranged in the wiring areas is greater than the second width of the wirings arranged in the pixel circuit areas.
    Type: Application
    Filed: February 14, 2023
    Publication date: February 1, 2024
    Inventors: Sungeun LEE, Kyungho KIM, Younjoon KIM, Minjeong OH, Kijune LEE, Jinho JU, Jonghyun CHOI
  • Publication number: 20240040859
    Abstract: A display apparatus includes a substrate comprising a sub-pixel area. A pixel circuit layer is located on the substrate and defines a pixel circuit overlapping the sub-pixel area. A display element layer is located on the pixel circuit layer and comprises a display element. The pixel circuit layer comprises an inorganic insulating layer located on the substrate and comprising a groove. An organic insulating layer is located on the inorganic insulating layer. A plurality of conductive patterns is located between the inorganic insulating layer and the organic insulating layer. The plurality of conductive patterns comprises a first conductive pattern connected to a data line. The data line is located on the organic insulating layer. The groove is located between the first conductive pattern and adjacent conductive patterns of the plurality of conductive patterns. The adjacent conductive patterns are spaced apart from the first conductive pattern.
    Type: Application
    Filed: April 17, 2023
    Publication date: February 1, 2024
    Inventors: Jonghyun CHOI, Minjeong OH, Kijune LEE
  • Publication number: 20240023391
    Abstract: A display apparatus includes: a first conductive line extending in a first direction, and including a plurality of first conductive patterns that are spaced from each other; and a first connection line extending in the first direction on the first conductive line, and including a plurality of first connection patterns that are spaced from each other, the plurality of first connection patterns connecting the plurality of first conductive patterns to each other. In a plan view, the plurality of first conductive patterns and the plurality of first connection patterns are alternately located with each other along the first direction.
    Type: Application
    Filed: May 23, 2023
    Publication date: January 18, 2024
    Inventors: Kijune Lee, Younjoon Kim, Minjeong Oh, Sungeun Lee, Jinho Ju, Jonghyun Choi
  • Patent number: 11871608
    Abstract: A display device having an improved light-extraction efficiency and a reduced color sense variation according to a viewing angle includes a pixel electrode on a substrate, an insulating layer defining an emission area via an opening that covers edges of the pixel electrode and exposes a center portion of the pixel electrode, a first light extraction pattern on the pixel electrode, the first light extraction pattern having a side surface inclined at a first angle, and a second light extraction pattern surrounding the first light extraction pattern on an outer portion of the first light extraction pattern, the second light extraction pattern having a side surface inclined at a second angle that is less than the first angle.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: January 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byunghan Yoo, Geebum Kim, Sangwoo Kim, Chaungi Choi, Jungha Son, Taekyung Ahn, Kijune Lee, Jaeik Lim
  • Publication number: 20230377518
    Abstract: A display apparatus includes a substrate including a display area, a pixel circuit arranged in the display area of the substrate and including a wiring, a driving transistor, a compensation transistor, a first initialization transistor, and an emission control transistor, and a light-emitting element connected to the pixel circuit. A trench indented in a width direction of the wiring is defined in at least a portion of the wiring disposed inside the pixel circuit.
    Type: Application
    Filed: February 1, 2023
    Publication date: November 23, 2023
    Inventors: Jonghyun CHOI, Minjeong OH, Kijune LEE
  • Publication number: 20230371308
    Abstract: A display apparatus includes a display panel in which a folding area and a non-folding area are defined, and a support layer disposed on the display panel. The support layer includes a first area corresponding to the folding area of the display panel and a second area corresponding to the non-folding area of the display panel, and the first area of the support layer includes a plurality of slits. The folding area of the display panel includes a slit corresponding area corresponding to a slit of the support layer and a rib corresponding area corresponding to a rib of the support layer, and the display panel includes a second display element disposed in the slit corresponding area, and a second pixel circuit disposed in the rib corresponding area and connected to the second display element.
    Type: Application
    Filed: December 1, 2022
    Publication date: November 16, 2023
    Inventors: Jonghyun CHOI, Minjeong OH, Kijune LEE
  • Patent number: 11793055
    Abstract: A display device includes: a sensor configured to detect a user's biometric information; a display panel including a substrate disposed on the sensor, a pixel defining layer disposed on the substrate, and a light emitting element disposed in an opening of the pixel defining layer, wherein the display panel has a transmission area that overlaps the sensor when viewed from a plane; and an optical layer comprising a hole that overlaps the transmission area.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: October 17, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byung Han Yoo, Kyoungwon Kwak, Jihye Kim, Kee Hyun Nam, Kijune Lee, Dae-Young Lee, Duk-Woon Choi
  • Publication number: 20230185411
    Abstract: Provided is a display device including a display panel having a plurality of pixel regions, a first insulating layer on the display panel, having a first refractive index, and having a plurality of first openings defined in regions which overlap the plurality of pixel regions, a second insulating layer directly on the first insulating layer and having a plurality of second openings defined in regions which correspond to the plurality of first openings, and a third insulating layer covering the display panel, the first insulating layer, and the second insulating layer and having a second refractive index higher than the first refractive index, wherein the third insulating layer may overlap the plurality of pixel regions on a plane.
    Type: Application
    Filed: February 10, 2023
    Publication date: June 15, 2023
    Inventors: Jungha SON, Gee-Bum KIM, Sangwoo KIM, Kijune LEE, Taekyung AHN, Byung Han YOO, Jaeik LIM, Chaungi CHOI
  • Patent number: 11676989
    Abstract: Provided is a display device including a display layer which includes an active area and a peripheral area adjacent to the active area, a biometric information sensing layer disposed below the display layer and including a sensor, and an optical pattern layer disposed on an optical pattern plane between the biometric information sensing layer and the display layer and including a light blocking part and a transmission part having higher light transmittance than the light blocking part, wherein an upper surface of the light blocking part is concave, and recessed away from the optical pattern plane.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: June 13, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byung Han Yoo, Hongsick Park, Kijune Lee, Seokhyun Lim, Hyunmin Cho, Dae-Young Lee
  • Patent number: 11599229
    Abstract: Provided is a display device including a display panel having a plurality of pixel regions, a first insulating layer on the display panel, having a first refractive index, and having a plurality of first openings defined in regions which overlap the plurality of pixel regions, a second insulating layer directly on the first insulating layer and having a plurality of second openings defined in regions which correspond to the plurality of first openings, and a third insulating layer covering the display panel, the first insulating layer, and the second insulating layer and having a second refractive index higher than the first refractive index, wherein the third insulating layer may overlap the plurality of pixel regions on a plane.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: March 7, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jungha Son, Gee-Bum Kim, Sangwoo Kim, Kijune Lee, Taekyung Ahn, Byung Han Yoo, Jaeik Lim, Chaungi Choi
  • Patent number: 11594580
    Abstract: An organic light-emitting display apparatus implemented by using a plurality of organic light-emitting diodes on a substrate and including a first pixel and a second pixel respectively emitting light of different colors, includes: a pixel-defining layer including a first opening and a second opening, the first opening defining an emission area of the first pixel, and the second opening defining an emission area of the second pixel; a total reflective layer over the pixel-defining layer, the total reflective layer including a first upper opening corresponding to the first pixel and a second upper opening corresponding to the second pixel; and a planarization layer covering the total reflective layer and having a refractive index greater than a refractive index of the total reflective layer, wherein an area of the first upper opening is different from an area of the second upper opening.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: February 28, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Geebum Kim, Jungha Son, Byunghan Yoo, Chaungi Choi, Sangwoo Kim, Taekyung Ahn, Kijune Lee, Jaeik Lim
  • Publication number: 20220199698
    Abstract: The display device includes a display panel and an input detection member. The input detection member includes a first conductive pattern, a first insulating layer covering the first conductive pattern, a second conductive pattern disposed on the first insulating layer, and a second insulating layer covering the second conductive pattern. Both the first insulating layer and the second insulating layer include an organic material. The refractive index of the second insulating layer is greater than that of the first insulating layer.
    Type: Application
    Filed: September 23, 2019
    Publication date: June 23, 2022
    Inventors: Jungha SON, Gee-Bum KIM, Sangwoo KIM, Kijune LEE, Taekyung AHN, Byung Han YOO, Jaeik LIM, Chaungi CHOI
  • Publication number: 20220149108
    Abstract: Provided is a display device including a display layer which includes an active area and a peripheral area adjacent to the active area, a biometric information sensing layer disposed below the display layer and including a sensor, and an optical pattern layer disposed on an optical pattern plane between the biometric information sensing layer and the display layer and including a light blocking part and a transmission part having higher light transmittance than the light blocking part, wherein an upper surface of the light blocking part is concave, and recessed away from the optical pattern plane.
    Type: Application
    Filed: July 2, 2021
    Publication date: May 12, 2022
    Inventors: BYUNG HAN YOO, Hongsick Park, Kijune Lee, Seokhyun Lim, Hyunmin Cho, Dae-Young Lee
  • Publication number: 20220085331
    Abstract: A display device having an improved light-extraction efficiency and a reduced color sense variation according to a viewing angle includes a pixel electrode on a substrate, an insulating layer defining an emission area via an opening that covers edges of the pixel electrode and exposes a center portion of the pixel electrode, a first light extraction pattern on the pixel electrode, the first light extraction pattern having a side surface inclined at a first angle, and a second light extraction pattern surrounding the first light extraction pattern on an outer portion of the first light extraction pattern, the second light extraction pattern having a side surface inclined at a second angle that is less than the first angle.
    Type: Application
    Filed: October 14, 2019
    Publication date: March 17, 2022
    Inventors: Byunghan YOO, Geebum KIM, Sangwoo KIM, Chaungi CHOI, Jungha SON, Taekyung AHN, Kijune LEE, Jaeik LIM
  • Publication number: 20220069034
    Abstract: A display device includes: a sensor configured to detect a user's biometric information; a display panel including a substrate disposed on the sensor, a pixel defining layer disposed on the substrate, and a light emitting element disposed in an opening of the pixel defining layer, wherein the display panel has a transmission area that overlaps the sensor when viewed from a plane; and an optical layer comprising a hole that overlaps the transmission area.
    Type: Application
    Filed: May 7, 2021
    Publication date: March 3, 2022
    Inventors: BYUNG HAN YOO, KYOUNGWON KWAK, JIHYE KIM, KEE HYUN NAM, KIJUNE LEE, DAE-YOUNG LEE, DUK-WOON CHOI