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: 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
  • Publication number: 20210036063
    Abstract: In a color conversion panel including pixel areas emitting a light having a same color and a non-pixel area between the pixel areas, the color conversion panel may include a substrate, a light shielding pattern disposed on the substrate in the non-pixel area, a color conversion layer disposed on the substrate, covering the light shielding pattern, and configured to convert an incident light, a height of a first portion of the color conversion layer corresponding to the non-pixel area from the substrate being less than each of heights of second portions of the color conversion layer respectively corresponding to the pixel areas from the substrate, and a light shielding partition wall disposed on the color conversion layer in the non-pixel area.
    Type: Application
    Filed: June 8, 2020
    Publication date: February 4, 2021
    Inventors: Jang-Il KIM, Jeongki KIM, Myoungjong LEE, Tae Hyung HWANG
  • Publication number: 20210036062
    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: Application
    Filed: June 3, 2020
    Publication date: February 4, 2021
    Inventors: Jang-Il Kim, Jeongki Kim, Jeaheon Ahn, Si-Wan Jeon
  • Publication number: 20210026192
    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: June 9, 2020
    Publication date: January 28, 2021
    Inventors: Jang-Il KIM, Jeongki KIM, Jong-Hoon KIM, Jeaheon AHN, Myoungjong LEE, Seongyeon LEE, Si-Wan JEON, Seok-Joon HONG
  • Patent number: 10896649
    Abstract: A liquid crystal display panel includes a first odd source electrode and a first odd drain electrode on a first odd semiconductor layer have the same shapes as a first even drain electrode and a first even source electrode on a first even semiconductor layer, and when viewed in a plan view, a shape of a even pixel, except for a first even transistor, has substantially inversion symmetry with a shape of a odd pixel about a point on a virtual line parallel to a second direction.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: January 19, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jang-Il Kim, Sei-yong Park, Yongdoo Park, Joonggun Chong, Sunghee Hong
  • Publication number: 20200326586
    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: Application
    Filed: April 10, 2020
    Publication date: October 15, 2020
    Inventors: Jang-Il KIM, Jeongki KIM, Jong-Hoon KIM, Jeaheon AHN, Myoungjong LEE, Seok-Joon HONG
  • Publication number: 20200301197
    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: Application
    Filed: February 12, 2020
    Publication date: September 24, 2020
    Inventors: Jeongki KIM, Jang-Il KIM, Jong-Hoon KIM, YeoGeon YOON, Seok-Joon HONG
  • Patent number: 10775666
    Abstract: An exemplary embodiment of the present inventive concept provides a display device including: a light unit configured to emit blue light; a color conversion panel disposed on the light unit; and a display panel disposed between the light unit and the color conversion panel to include a transistor. The color conversion panel includes: a substrate; a color conversion layer disposed between the substrate and the display panel to include a semiconductor nanocrystal; a transmission layer disposed between the substrate and the display panel; and a polarization layer disposed between the color conversion layer and the display panel and between the transmission layer and the display panel, and the display panel includes a blue light blocking film which overlaps the transistor, while the blue light blocking film includes a red color filter.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: September 15, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jang-Il Kim, Yeo Geon Yoon, Keun Woo Park, Su Wan Woo, Kee-Bum Park, Do Yeong Park
  • Patent number: 10768471
    Abstract: A liquid-crystal display device and a method of manufacturing a liquid-crystal display device. The liquid-crystal display device has a display area and a non-display area surrounding the display area defined therein, and the device includes: a first substrate; a second substrate disposed above the first substrate; and a liquid-crystal layer interposed between the first substrate and the second substrate. The first substrate includes a first base substrate, a first wavelength band filter disposed on the first base substrate in the non-display area, and a second wavelength band filter disposed on the first base substrate in the display area.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: September 8, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeong Ki Kim, Jea Heon Ahn, Jang Il Kim, Jong Hoon Kim, Cheon Jae Maeng
  • Publication number: 20200266253
    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: Application
    Filed: November 27, 2019
    Publication date: August 20, 2020
    Inventors: JANG IL KIM, Jeong Ki Kim, Jong Hoon Kim, Jea Heon Ahn, Myoung Jong Lee, Seok Joon Hong
  • Publication number: 20200266244
    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: December 20, 2019
    Publication date: August 20, 2020
    Inventors: Jeongki KIM, Jang-Il KIM, Jeaheon AHN, YeoGeon YOON, Seok-Joon HONG
  • Publication number: 20200266243
    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: Application
    Filed: November 8, 2019
    Publication date: August 20, 2020
    Inventors: JANG IL KIM, Jeong Ki Kim, Jong Hoon Kim, Jea Heon Ahn, Myoung Jong Lee, Seok Joon Hong
  • Patent number: 10712606
    Abstract: An exemplary embodiment of present disclosure provides a color conversion panel including: a substrate; a plurality of light blocking layers disposed on the substrate; a color conversion layer disposed on the substrate between the plurality of the light blocking layers and including quantum dots; an optical filter layer covering the color conversion layer and the light blocking layers; and a hydrogen blocking layer disposed on one surface of the optical filter layer.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: July 14, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jang-Il Kim, Keun Woo Park, Hoon Kang, Tae Jin Kong
  • Publication number: 20200219937
    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: Application
    Filed: November 19, 2019
    Publication date: July 9, 2020
    Inventors: Jeaheon Ahn, Jang-Il Kim, YeoGeon Yoon, Seok-Joon Hong
  • Publication number: 20200193922
    Abstract: A liquid crystal display panel includes a first odd source electrode and a first odd drain electrode on a first odd semiconductor layer have the same shapes as a first even drain electrode and a first even source electrode on a first even semiconductor layer, and when viewed in a plan view, a shape of a even pixel, except for a first even transistor, has substantially inversion symmetry with a shape of a odd pixel about a point on a virtual line parallel to a second direction.
    Type: Application
    Filed: February 24, 2020
    Publication date: June 18, 2020
    Inventors: Jang-Il KIM, Sei-yong PARK, Yongdoo PARK, Joonggun CHONG, Sunghee HONG
  • Patent number: 10607555
    Abstract: A liquid crystal display panel includes a first odd source electrode and a first odd drain electrode on a first odd semiconductor layer have the same shapes as a first even drain electrode and a first even source electrode on a first even semiconductor layer, and when viewed in a plan view, a shape of a even pixel, except for a first even transistor, has substantially inversion symmetry with a shape of a odd pixel about a point on a virtual line parallel to a second direction.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: March 31, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jang-Il Kim, Sei-yong Park, Yongdoo Park, Joonggun Chong, Sunghee Hong
  • Patent number: 10551666
    Abstract: A liquid crystal display (“LCD”) device includes: a first substrate having a first area that allows an image to be transmitted therethrough and a second area that blocks an image; a second substrate opposite to the first substrate; a liquid crystal layer between the first substrate and the second substrate; and a polarizing layer on the second substrate. The polarizing layer may include first polarizing patterns and second polarizing patterns, wherein, in a planar view, the first polarizing patterns overlap with the first area and the second polarizing patterns overlap with the second area.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: February 4, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Keun Woo Park, Jang Il Kim, Yeo Geon Yoon
  • Patent number: 10394089
    Abstract: A display substrate includes a base substrate, a switching device, and a pixel electrode including a first sub pixel electrode and a second sub pixel electrode. The first sub pixel electrode includes an internal electrode and an external electrode. The internal electrode includes a support electrode portion extending in a second direction, and a horizontal internal branch electrode portion extending in a first direction. The external electrode includes a horizontal external branch electrode portion disposed outside the internal electrode and extending in the first direction, and a vertical external branch electrode portion disposed outside the internal electrode and extending in the second direction. The second sub pixel electrode is adjacent to the first sub pixel electrode and has a shape symmetrical to the first sub pixel electrode.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: August 27, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Taekyung Yim, Jang-Il Kim, Hoon Kim, Keunwoo Park, Dong-Chul Shin, Kichul Shin, Suwan Woo