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).

  • Publication number: 20240118036
    Abstract: A vapor chamber comprises a front surface member having a curvature, a rear surface member coupled to the front surface member, a wick disposed between the front surface member and the rear surface member, and a refrigerant at least partially filled between the front surface member and the rear surface member, wherein the rear surface member includes a plurality of bent areas.
    Type: Application
    Filed: July 20, 2023
    Publication date: April 11, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Wee Joon JEONG, Yong Il KIM, Byoung Kyoo PARK, Jang Un CHOI
  • Publication number: 20240099112
    Abstract: A display device includes: a display panel having first and second emission regions, each of the first and second emission regions configured to emit a first source light having a first color and a second source light having a second color; a first partition wall on the display panel and corresponding to the first emission region; a sub-partition wall dividing a region inside the first partition wall into a main region and a sub region in a plane view; a first light conversion pattern inside the main region, the first light conversion pattern configured to convert the first source light into a light having the second color; and a first color filter on the first partition wall and the sub-partition wall, the first color filter being transparent to the second source light that passes through the sub region and to the converted light having the second color.
    Type: Application
    Filed: August 24, 2023
    Publication date: March 21, 2024
    Inventors: JANG-IL KIM, JEONGKI KIM, HYEJUN WOO, SEONGYEON LEE, SUJIN LEE
  • Publication number: 20240049552
    Abstract: A display device includes a display substrate and a color conversion substrate. The color conversion substrate includes: a second base substrate in which first to third light transmitting areas, and a light blocking area between adjacent light transmitting areas are defined, a first bank in the light blocking area, a first low refractive index layer between the second base substrate and the display substrate and covering the first bank. The color conversion substrate further includes a first wavelength conversion pattern in the first light transmitting area, a second wavelength conversion pattern in the second light transmitting area, and a light transmission pattern in the third light transmitting area, which are between the first low refractive index layer and the display substrate. The first low refractive index layer has a refractive index lower than at least one of the first wavelength conversion pattern or the second wavelength conversion pattern.
    Type: Application
    Filed: November 15, 2021
    Publication date: February 8, 2024
    Inventors: Jang Il KIM, Kyoung Hae MIN, Jea Heon AHN, Seong Yeon LEE, Si Wan JEON, Seok Joon HONG
  • Patent number: 11895894
    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: July 7, 2021
    Date of Patent: February 6, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeongki Kim, Jang-Il Kim, Jeaheon Ahn, YeoGeon Yoon, Seok-Joon Hong
  • Publication number: 20240040917
    Abstract: A display device includes light emitting elements, each of which emits a source light, a color filter layer including first to third pixel areas arranged in a first direction and a light blocking area surrounding the first to third pixel areas, a light control pattern overlapping the second pixel area, where a first opening overlapping the first pixel area and a portion of the light blocking area and a second opening overlapping the third pixel area and another portion of the light blocking area are defined through the light control pattern, a first light conversion pattern disposed in the first opening and including a first quantum dot, and a second light conversion pattern disposed in the second opening and including a second quantum dot.
    Type: Application
    Filed: March 27, 2023
    Publication date: February 1, 2024
    Inventors: JEONGKI KIM, JANG-IL KIM, JONG-HOON KIM, SUJIN LEE, HAKBUM CHOI
  • Publication number: 20230397469
    Abstract: A color conversion substrate, a display device including the color conversion substrate, and a method of manufacturing the color conversion substrate are provided. The color conversion substrate includes: a first base substrate including a first area, a second area around the first area, and a third area around the second area; a sealing member on the first base substrate and in the second area; a color filter layer on the first base substrate and under the sealing member; and a low refractive layer on the color filter layer, under the sealing member, and increasing in thickness from the third area to the second area in at least a portion of the third area.
    Type: Application
    Filed: February 6, 2023
    Publication date: December 7, 2023
    Inventors: JEONGKI KIM, HAKBUM CHOI, JANG-IL KIM, JONG-HOON KIM, SUJIN LEE
  • Publication number: 20230292545
    Abstract: Embodiments provide a light control member that includes a light control layer including quantum dots, a low refractive layer disposed on the light control layer, and a capping layer disposed between the light control layer and the low refractive layer. The capping layer includes a first silicon oxynitride containing an amount of nitrogen in a range of about 0.1 at % to about 18 at %, an amount of oxygen in a range of about 42 at % to about 70 at %, and an amount of silicon in a range of about 25 at % to about 45 at %. Accordingly, the light control member exhibits excellent reliability.
    Type: Application
    Filed: January 23, 2023
    Publication date: September 14, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: JEONGKI KIM, JANG-IL KIM, JONG-HOON KIM, KYOUNGHAE MIN, HYEJUN WOO, SEONGYEON LEE, SUJIN LEE, SI-WAN JEON, TAE HYUNG HWANG
  • Publication number: 20230284512
    Abstract: A display device includes a first base portion in which a first emission area and a non-emission area are defined, a first light emitting element on the first base portion and overlapping the first emission area, a thin film encapsulation layer on the first light emitting element, a second base portion on the thin film encapsulation layer, a first color filter on the second base portion and overlapping the first emission area, a first wavelength conversion pattern on the first color filter and overlapping the first emission area, and a first optical pattern between the first color filter and the first wavelength conversion pattern and overlapping the first emission area. A refractive index of the first optical pattern is smaller than that of the first wavelength conversion pattern, and one surface of the first optical pattern facing the first wavelength conversion pattern is concave toward the second base portion.
    Type: Application
    Filed: December 18, 2020
    Publication date: September 7, 2023
    Inventors: Jang Il KIM, Chang Soon JANG, Jeong Ki KIM, Chan Su KIM, Kyoung Hae MIN, Keun Chan OH, Gak Seok LEE, Sang Hun LEE, So Yun LEE, Ji Eun JANG, You Young JIN, Seok Joon HONG
  • Publication number: 20230263031
    Abstract: A display panel includes a light emitting element layer including a light emitting element that generates a first color light, a light control layer over the light emitting element layer, a color filter layer over the light control layer, and a low refractive index layer that is between the light control layer and the color filter layer and that has a thickness of about 0.2 ?m to about 2.5 ?m.
    Type: Application
    Filed: February 13, 2023
    Publication date: August 17, 2023
    Inventors: SEONGYEON LEE, JANG-IL KIM, JEONGKI KIM, JONG-HOON KIM, KYOUNGHAE MIN, HYEJUN WOO, HAKBUM CHOI, SEOK-JOON HONG, TAE HYUNG HWANG
  • Patent number: 11716890
    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: Grant
    Filed: January 24, 2021
    Date of Patent: August 1, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Joon Hong, Jang-Il Kim, Tae Hyung Hwang
  • Patent number: 11700757
    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: Grant
    Filed: June 8, 2020
    Date of Patent: July 11, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jang-Il Kim, Jeongki Kim, Myoungjong Lee, Tae Hyung Hwang
  • Patent number: 11690261
    Abstract: A display panel includes an upper display substrate, a lower display substrate, and a partition wall. The upper display substrate includes a display area and a non-display area adjacent to the display area. The display area includes pixel areas and a light blocking area adjacent to the pixel areas. The lower display substrate includes display elements configured to emit light having a first color and respectively overlapping the pixel areas. The partition wall includes a partition wall part overlapping the light blocking area and a reflection part disposed on the partition wall part. The upper display substrate includes a base substrate, a color filter layer disposed on the base substrate, and a light control layer disposed on the color filter layer. The light control layer is configured to control the light having the first color. The partition wall is disposed on the light control layer.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: June 27, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeongki Kim, Jang-Il Kim, Jong-Hoon Kim, YeoGeon Yoon, Myoungjong Lee
  • Publication number: 20230169914
    Abstract: A display substrate includes a first division pattern in which a plurality of first openings corresponding to the first pixel areas and the second pixel areas are defined, a first color filter overlapping each of the first pixel area of the first pixel row and the first pixel area of the second pixel row, a second division pattern which overlaps the peripheral area and in which a first common opening corresponding to each of the first pixel area of the first pixel row and the first pixel area of the second pixel row, which are in one pixel row, is defined, and a first color control pattern corresponding to the first common opening and overlapping each of the first pixel area of the first pixel row and the first pixel area of the second pixel row, which are in the one pixel row.
    Type: Application
    Filed: July 15, 2020
    Publication date: June 1, 2023
    Inventors: Jang-Il KIM, Jeongki KIM, Kyounghae MIN, Jeaheon AHN, Yeogeon YOON, Seok-Joon HONG, Tae Hyung HWANG
  • Patent number: 11644712
    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: April 4, 2022
    Date of Patent: May 9, 2023
    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
  • Publication number: 20230080859
    Abstract: A color conversion panel and a display device are provided to include: substrate; a transparent filter layer and a plurality of first partitioning wall layers that are on the substrate; a first refractive layer that is on the transparent filter layer and the plurality of first partitioning wall layers; a plurality of second partitioning wall layers that are on the first refractive layer, and overlap the plurality of first partitioning wall layers; and a plurality of color conversion layers that are on the first refractive layer, and in a region defined by the plurality of first partitioning wall layers and the plurality of second partitioning wall layers.
    Type: Application
    Filed: July 26, 2022
    Publication date: March 16, 2023
    Inventors: Jeong Ki KIM, Jang-Il KIM, Jong-Hoon KIM, Kyoung Hae MIN, Seong Yeon LEE, Seok-Joon HONG
  • Publication number: 20230076861
    Abstract: A color conversion substrate includes a first bank structure, a second bank structure, a spacer, and a color conversion layer. The first bank structure includes a first partition wall that has a first opening area and a second opening area, and that divides the second opening area into a central area and a peripheral area that surrounds the central area. The second bank structure is spaced apart from the first partition wall and disposed in a central area of the second opening area. The spacer is disposed to overlap the second bank structure. The color conversion layer is disposed in the first opening area and includes a color conversion particle.
    Type: Application
    Filed: June 16, 2022
    Publication date: March 9, 2023
    Inventors: JEONGKI KIM, JONG-HOON KIM, JANG-IL KIM, KYOUNGHAE MIN, SEONGYEON LEE
  • Publication number: 20230074534
    Abstract: A display device includes: a display layer in which a plurality of light emitting regions are defined; a barrier rib disposed on the display layer and having a plurality of first openings overlapping the plurality of light emitting regions defined therein; and a plurality of optical patterns disposed in the plurality of first openings. The barrier rib may include a first portion around the plurality of first openings and a second portion spaced apart from the plurality of first openings with the first portion therebetween, and the first portion may be more liquid repellent than the second portion.
    Type: Application
    Filed: June 28, 2022
    Publication date: March 9, 2023
    Inventors: JONG-HOON KIM, JISEONG YANG, JANG-IL KIM, JEONGKI KIM, SEOK-JOON HONG
  • Publication number: 20230056289
    Abstract: A display device and a manufacturing method thereof are provided. The display device includes a first substrate; a first color filter, a second color filter, and a third color filter that are on the first substrate; a plurality of roof layers that cover spaces that overlap the first color filter, the second color filter, and the third color filter, respectively; a first color conversion layer that is positioned in a space overlapping the first color filter; a second color conversion layer that is positioned in a space overlapping the second color filter; a transmissive layer that is positioned in a space overlapping the third color filter; and a capping layer that is positioned on the plurality of roof layers.
    Type: Application
    Filed: April 26, 2022
    Publication date: February 23, 2023
    Inventors: Ji Seong YANG, Seok-Joon HONG, Jang-Il KIM, Gyeong Eun EOH, Song Ee LEE, Si-Wan JEON
  • Patent number: 11586074
    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 14, 2021
    Date of Patent: February 21, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyoungcheol Lee, Jang-Il Kim, Osung Seo, YeoGeon Yoon, SooJeong Huh
  • Publication number: 20230050227
    Abstract: A color conversion substrate includes: a base part in which a first light-transmitting area and a second light-transmitting area are defined; a first stack disposed on the base part and a second stack disposed on the first stack; a first wavelength conversion pattern overlapping the second light-transmitting area, and disposed on the second stack, where the first wavelength conversion pattern converts light of a first color into light of a second color; and a light-transmitting pattern overlapping the first light-transmitting area and disposed between the first stack and the second stack, where portions of the first stack and the second stack in the second light-transmitting area are in direct contact with each other to constitute a blue light reflective layer.
    Type: Application
    Filed: May 13, 2020
    Publication date: February 16, 2023
    Inventors: Jea Heon AHN, Jang Il KIM, Jeong Ki KIM, Yeo Geon YOON, Myoung Jong LEE, Seok Joon HONG