Patents by Inventor Jang-Il Kim

Jang-Il Kim 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: 11552139
    Abstract: A display device that includes a plurality of pixels arranged in a row direction and a column direction crossing the row direction. The display device includes a first substrate including light-emitting elements each disposed in the respective pixels. A second substrate faces the first substrate. A plurality of optical patterns are disposed on the second substrate in pixel columns, respectively, and extend along the column direction. Light-blocking patterns are disposed on the second substrate. The light-blocking patterns include a main light-blocking pattern extending along pixel column boundaries and fill spaces between adjacent optical patterns, and a subsidiary light-blocking pattern disposed on the optical patterns at pixel row boundaries and having a thickness smaller than a thickness of the main light-blocking pattern.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: January 10, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jang Il Kim, Jeong Ki Kim, Jong Hoon Kim, Jea Heon Ahn, Myoung Jong Lee, Seok Joon Hong
  • Publication number: 20230001049
    Abstract: The present invention relates to an allogeneic and heterologous adipose tissue-derived extracellular matrix scaffold, and a method for producing the same. An adipose tissue-derived extracellular matrix scaffold according to the present invention has a composition similar to the human body, a large surface area, and an interconnected porous structure, and thus has high cell affinity and allows cells to survive for long periods.
    Type: Application
    Filed: December 9, 2019
    Publication date: January 5, 2023
    Applicant: L&C Bio Co., Ltd.
    Inventors: Sang Chul Kim, Jang Il Kim, Hyung Gu Kim, Whan Chul Lee
  • Patent number: 11536883
    Abstract: A display device includes: a substrate including an alignment area in a non-display area, and a display area including a plurality of material layers on the substrate; in the alignment area, a plurality of keys including a first alignment key and a second alignment key. Each alignment key includes a light blocking pattern, a layer pattern and a display pattern. The position of the display pattern within the first alignment key is different from the position of the display pattern within the second alignment key, the layer pattern of the alignment key and one material layer among the plurality of material layers are respective portions of a same material layer on the substrate, and the layer pattern of the first alignment key and the layer pattern of the second alignment key are respective portions of different material layers among the plurality of material layers on the substrate.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: December 27, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myoung Jong Lee, Jea Heon Ahn, Jang-Il Kim, Jeong Ki Kim, Jong-Hoon Kim, Seok-Joon Hong
  • Patent number: 11500240
    Abstract: A display panel includes a first substrate which includes a display device and a second substrate which is disposed on the first substrate. The second substrate covers a base layer, a color filter layer, a first sealing layer, a color control layer, a step compensating layer, and a second sealing layer. The base layer includes a display area and a non-display area adjacent to the display area. The color filter layer overlaps the display area in a plan view, and is disposed under the base layer. The first sealing layer covers the color filter layer. The color control layer overlaps the display area in the plan view, and is disposed under the first sealing layer. The step compensating layer overlaps the non-display area in the plan view, and is disposed under the base layer. The second sealing layer covers the color control layer and the step compensating layer.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: November 15, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeongki Kim, Jang-Il Kim, Jong-Hoon Kim, YeoGeon Yoon, Seok-Joon Hong
  • Publication number: 20220359798
    Abstract: A color conversion substrate includes: a bank having a first open region and a second open region; a color conversion layer in the first opening region, the color conversion layer including color conversion particles; a first partition wall partitioning the second opening region into a central region and a peripheral region surrounding the central region, the first partition wall having a polygonal shape with n vertices in a plan view where n is a natural number greater than or equal to 3; and n second partition walls extending from the n vertices of the first partition wall to an edge of the second opening region, respectively, to partition the peripheral region into n sub-regions.
    Type: Application
    Filed: May 4, 2022
    Publication date: November 10, 2022
    Inventors: JONG-HOON KIM, JANG-IL KIM, JEONGKI KIM, KEUNCHAN OH, KANG SOO HAN, TAE HYUNG HWANG
  • Publication number: 20220246684
    Abstract: A display device includes a first substrate including a first emission area emitting light of a first color, a second emission area emitting light of a second color having a peak wavelength shorter than a peak wavelength of light of the first color, and a light blocking area which blocks light; a color filter layer disposed on a surface of the first substrate; and a wavelength control layer disposed on the color filter layer and including a bank layer and a wavelength control structure. The bank layer is disposed in the light blocking area on the color filter layer. The wavelength control structure is disposed in a first opening and the second opening of the bank layer. The first opening, the second opening, and the bank hole are spaced apart from each other. The bank hole surrounds an edge of the first opening.
    Type: Application
    Filed: October 7, 2021
    Publication date: August 4, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Jong Hoon KIM, Jang Il KIM, Jeong Ki KIM
  • Publication number: 20220221756
    Abstract: A color filter panel includes: a base substrate having a first pixel area, a second pixel area, and a light blocking area between the first pixel area and the second pixel area; a first color filter on the base substrate in the first pixel area; a second color filter on the base substrate in the second pixel area; a first photoluminescence pattern on the first color filter in the first pixel area and configured to convert a color of light; and a second photoluminescence pattern on the second color filter in the second pixel area and configured to convert a color of light. The second photoluminescence pattern partially overlaps the first photoluminescence pattern in the light blocking area.
    Type: Application
    Filed: April 4, 2022
    Publication date: July 14, 2022
    Inventors: Jang-Il KIM, Jeongki KIM, Jong-Hoon KIM, Jeaheon AHN, Myoungjong LEE, Seongyeon LEE, Si-Wan JEON, Seok-Joon HONG
  • Patent number: 11387286
    Abstract: A display device including: a lower substrate having a display area and a peripheral area; a plurality of lower electrodes disposed in the display area and on the lower substrate; a pixel defining layer covering a portion of each of the lower electrodes; a light emitting layer disposed on the lower electrodes and the pixel defining layer; an upper electrode disposed on the light emitting layer; a plurality of optical filters disposed on the upper electrode and spaced apart from each other; a lower light blocking layer disposed between the optical filters, and having a plurality of openings; an upper substrate disposed on the lower light blocking layer to oppose the lower substrate; and an alignment structure disposed in the peripheral area of the lower substrate and the upper substrate, and including a material identical to a material of the pixel defining layer and the lower light blocking layer.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: July 12, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jang-Il Kim, Jeongki Kim, Jeaheon Ahn, Si-Wan Jeon
  • Publication number: 20220208859
    Abstract: A color conversion substrate includes: a bank defining a first opening area and a second opening area; a conversion part disposed in the first opening area and including a color conversion particle; and a partition wall disposed in the second opening area and dividing the second opening area into a plurality of sub-opening areas.
    Type: Application
    Filed: September 15, 2021
    Publication date: June 30, 2022
    Inventors: SEOK-JOON HONG, JANG-IL KIM, JEAHEON AHN, MYOUNGJONG LEE, SEONGYEON LEE, SI-WAN JEON
  • Patent number: 11294221
    Abstract: A color filter panel includes: a base substrate having a first pixel area, a second pixel area, and a light blocking area between the first pixel area and the second pixel area; a first color filter on the base substrate in the first pixel area; a second color filter on the base substrate in the second pixel area; a first photoluminescence pattern on the first color filter in the first pixel area and configured to convert a color of light; and a second photoluminescence pattern on the second color filter in the second pixel area and configured to convert a color of light. The second photoluminescence pattern partially overlaps the first photoluminescence pattern in the light blocking area.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: April 5, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jang-Il Kim, Jeongki Kim, Jong-Hoon Kim, Jeaheon Ahn, Myoungjong Lee, Seongyeon Lee, Si-Wan Jeon, Seok-Joon Hong
  • Patent number: 11171183
    Abstract: A display panel including: a first display substrate and a second display substrate. The second display substrate includes: a base substrate; a light control layer disposed on the base substrate and including a first conversion part configured to convert the first color light into a second color light, a second conversion part configured to convert the first color light into a third color light, and a transmission part configured to transmit the first color light; and a nano particle layer disposed between the base substrate and the light control layer and configured to absorb at least one of a first light having an overlapping wavelength range of a wavelength range of the first color and a wavelength range of the third color and a second light having an overlapping wavelength range of a wavelength range of the second color and a wavelength range of the third color.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: November 9, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeaheon Ahn, Jang-Il Kim, Yeogeon Yoon, Seok-Joon Hong
  • Publication number: 20210341797
    Abstract: A curved display device includes a first substrate, a second substrate facing the first substrate, a liquid crystal layer disposed between the first and second substrates, the liquid crystal layer including liquid crystal molecules, a first alignment layer including reactive mesogens which are polymerized with each other, the first alignment layer being disposed between the first substrate and the liquid crystal layer, and a second alignment layer disposed between the liquid crystal layer and the second substrate, where the reactive mesogens have a functional group having charges.
    Type: Application
    Filed: July 14, 2021
    Publication date: November 4, 2021
    Inventors: HYOUNGCHEOL LEE, Jang-Il KIM, OSUNG SEO, YeoGeon YOON, SooJeong HUH
  • Publication number: 20210343795
    Abstract: A display apparatus includes a display panel including a plurality of pixels, and a cover panel including a window layer, an optical filter layer, a color filter layer and a bezel layer. The window layer includes a transmission region and a bezel region adjacent to the transmission region. The optical filter layer is disposed on the transmission region of the rear surface of the window layer. The color filter layer is disposed on the optical filter layer and includes a quantum dot. The bezel layer is disposed on the bezel region of the rear surface. The optical filter layer includes a partition wall layer, in which an opening is defined, a light-blocking layer disposed on the partition wall layer, and a reflection layer disposed in the opening. The bezel layer has a same color as the light-blocking layer.
    Type: Application
    Filed: July 7, 2021
    Publication date: November 4, 2021
    Inventors: Jeongki KIM, Jang-Il KIM, Jeaheon AHN, YeoGeon YOON, Seok-Joon HONG
  • Patent number: 11092842
    Abstract: A display panel includes a first substrate in which first, second and third pixel areas and a light blocking area are defined, and a second substrate. The first substrate includes a base layer, a first wavelength conversion layer disposed under the base layer, a second wavelength conversion layer disposed under the base layer, an optical layer disposed under the base layer, a first partition layer disposed between the first and second wavelength conversion layers and including a first layer including a same material as that of the optical layer and a second layer spaced apart from the base layer with the first layer interposed therebetween, and a second partition layer disposed between the second wavelength conversion layer and the optical layer.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: August 17, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jang-Il Kim, Jeongki Kim, Jong-Hoon Kim, Jeaheon Ahn, Myoungjong Lee, Seok-Joon Hong
  • Publication number: 20210249477
    Abstract: A display device includes a lower substrate, a plurality of pixels, an upper substrate, a light blocking member, first and second color filters, first and second color conversion patterns, and a light blocking pattern. The light blocking pattern is disposed between the first and second color conversion patterns, and includes a first portion and a second portion which overlaps the light blocking member. A shape the second portion is different from a shape of the first portion.
    Type: Application
    Filed: January 24, 2021
    Publication date: August 12, 2021
    Inventors: Seok-Joon HONG, Jang-Il Kim, Tae Hyung Hwang
  • Patent number: 11081533
    Abstract: A display apparatus includes a display panel including a plurality of pixels, and a cover panel including a window layer, an optical filter layer, a color filter layer and a bezel layer. The window layer includes a transmission region and a bezel region adjacent to the transmission region. The optical filter layer is disposed on the transmission region of the rear surface of the window layer. The color filter layer is disposed on the optical filter layer and includes a quantum dot. The bezel layer is disposed on the bezel region of the rear surface. The optical filter layer includes a partition wall layer, in which an opening is defined, a light-blocking layer disposed on the partition wall layer, and a reflection layer disposed in the opening. The bezel layer has a same color as the light-blocking layer.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: August 3, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeongki Kim, Jang-Il Kim, Jeaheon Ahn, YeoGeon Yoon, Seok-Joon Hong
  • Patent number: 11079632
    Abstract: A curved display device includes a first substrate, a second substrate facing the first substrate, a liquid crystal layer disposed between the first and second substrates, the liquid crystal layer including liquid crystal molecules, a first alignment layer including reactive mesogens which are polymerized with each other, the first alignment layer being disposed between the first substrate and the liquid crystal layer, and a second alignment layer disposed between the liquid crystal layer and the second substrate, where the reactive mesogens have a functional group having charges.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: August 3, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyoungcheol Lee, Jang-Il Kim, Osung Seo, YeoGeon Yoon, SooJeong Huh
  • Patent number: 11031440
    Abstract: A light conversion substrate includes a first substrate having a first region, a second region, and a third region. A first light conversion pattern is disposed on the first region and includes first wavelength conversion particles. A second light conversion pattern is disposed on the second region and is spaced apart from the first light conversion pattern and includes second wavelength conversion particles. A first scattering pattern is disposed on the third region to fill a space between the first light conversion pattern and the second light conversion pattern and includes first scattering particles. The first scattering pattern overlaps a portion of the first light conversion pattern and a portion of the second light conversion pattern in a direction of the thickness of the first substrate.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: June 8, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jang Il Kim, Jeong Ki Kim, Jong Hoon Kim, Jea Heon Ahn, Myoung Jong Lee, Seok Joon Hong
  • Publication number: 20210103079
    Abstract: A display device includes: a substrate including an alignment area in a non-display area, and a display area including a plurality of material layers on the substrate; in the alignment area, a plurality of keys including a first alignment key and a second alignment key. Each alignment key includes a light blocking pattern, a layer pattern and a display pattern. The position of the display pattern within the first alignment key is different from the position of the display pattern within the second alignment key, the layer pattern of the alignment key and one material layer among the plurality of material layers are respective portions of a same material layer on the substrate, and the layer pattern of the first alignment key and the layer pattern of the second alignment key are respective portions of different material layers among the plurality of material layers on the substrate.
    Type: Application
    Filed: May 26, 2020
    Publication date: April 8, 2021
    Inventors: Myoung Jong LEE, Jea Heon AHN, Jang-Il KIM, Jeong Ki KIM, Jong-Hoon KIM, Seok-Joon HONG
  • Patent number: 10948777
    Abstract: A display apparatus including a first base substrate, a second base substrate facing the first base substrate, and a liquid crystal layer disposed between the first base substrate and the second base substrate. In a peripheral area, which is a non-display area adjacent to the display area, the display apparatus includes a gate driving thin film transistor disposed on a first base substrate, a light blocking pattern disposed on the second base substrate and overlapping the gate driving thin film transistor, a blue light blocking pattern disposed on the light blocking pattern, and a blue light passing pattern disposed on the blue light blocking pattern.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: March 16, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeaheon Ahn, Jang-Il Kim, Jeongki Kim, Jong-Hoon Kim, Cheonjae Maeng, Dongil Son