Patents by Inventor Tae Woo Lim

Tae Woo Lim 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: 12648329
    Abstract: A color conversion substrate includes an upper substrate including a first area and a second area adjacent to the first area and a first color filter, a second color filter, and a third color filter which are disposed on the upper substrate and in the first area and the second area, and an opening corresponding to the first color filter is defined by a one of the second color filter and the third color filter having a smaller stitch error between the first area and the second area.
    Type: Grant
    Filed: October 16, 2023
    Date of Patent: June 2, 2026
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seunghui Seo, Soon Tak Jung, Hyunbae Park, Hyelynn Song, Tae Woo Lim, Moon-Keun Choi
  • Patent number: 12575292
    Abstract: Provided is a display device including: a first substrate including a display area, and a non-display area surrounding the display area; a second substrate disposed on the first substrate, and facing the first substrate; a first color filter disposed between the first substrate and the second substrate, and including a first opening exposing the second substrate in the non-display area; and a refractive layer disposed between the first substrate and the first color filter to overlap the display area and the non-display area and to fill the first opening in the non-display area.
    Type: Grant
    Filed: November 10, 2022
    Date of Patent: March 10, 2026
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Woo Lim, Moonsoon Kim, Jae-Seung Kim, Seunghui Seo, Moon-Keun Choi, Sangbeom Han, Kipyo Hong
  • Patent number: 12507565
    Abstract: A color conversion panel includes: a substrate; a plurality of color filters on the substrate; a partition wall on the substrate, and including a first opening, a second opening, a third opening, and a sub-opening; a first color conversion layer disposed in the first opening of the partition wall; a second color conversion layer disposed in the second opening of the partition wall; a transmission layer disposed in the third opening of the partition wall; an additional layer disposed in the sub-opening of the partition wall; and a spacer on the additional layer.
    Type: Grant
    Filed: May 2, 2022
    Date of Patent: December 23, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Woo Lim, Moon Soon Kim, Jae-Seung Kim, Seung Hui Seo, Moon-Keun Choi, Sang Beom Han, Ki Pyo Hong
  • Publication number: 20250386648
    Abstract: A display device includes: a display panel comprising a display area and a non-display area adjacent to the display area; a light control member on the display panel and comprising a plurality of light control units, a bank layer configured to distinguish the light control units from each other, and a spacer on the bank layer; and a color filter layer on the light control member and comprising a plurality of filter units each having a single color filter, a first area in which two color filters are laminated, and a second area in which three color filters are laminated, wherein the spacer overlaps the first area.
    Type: Application
    Filed: June 13, 2025
    Publication date: December 18, 2025
    Inventors: HONGMIN YOON, YUJIN KIM, JUNGEUN PARK, HYUNBAE PARK, Hyelynn SONG, TAE WOO LIM
  • Patent number: 12419179
    Abstract: A color conversion panel includes a substrate including a display area including a color conversion layer, a first pixel area, a second pixel area, and a non-pixel area, and a plurality of color filter layers on the substrate. The color filter layers include a first color filter layer in the first pixel area and defining in the non-pixel area, a first alignment pattern, and a first opening spaced from the first alignment pattern, the first pixel area and the second pixel area, and a second color filter layer in the second pixel area, covering the first alignment pattern of the first color filter layer and defining in the non-pixel area a second alignment pattern which overlaps the first opening of the first color filter layer and exposes a portion of the first color filter layer at the first opening, to outside the second color filter layer.
    Type: Grant
    Filed: February 9, 2023
    Date of Patent: September 16, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seunghui Seo, Tae Woo Lim, Moon-Keun Choi, Wal Jun Kim, Hyunbae Park, Hyelynn Song
  • Publication number: 20250107415
    Abstract: A display device includes: a display device having a plurality of light emitting areas and a non-light emitting area between adjacent light emitting areas of the plurality of light emitting areas, and a color conversion part overlapping with the display device, wherein the color conversion part includes: a first substrate including a first surface facing the display device, and a color filter layer on the first surface of the first substrate and including a plurality of color filters, and wherein the color filter layer has a color filter opening where the color filter layer is removed at at least a portion of the non-light emitting area.
    Type: Application
    Filed: May 31, 2024
    Publication date: March 27, 2025
    Inventors: HYUNBAE PARK, Seung Hui SEO, Hyelynn SONG, Tae Woo LIM, Moon-Keun CHOI
  • Patent number: 12207522
    Abstract: A display apparatus includes: a substrate; a pixel circuit layer on the substrate and including a thin-film transistor; a display element layer on the pixel circuit layer and including a display element electrically connected to the thin-film transistor; a color filter layer on the display element layer and including a color filter overlapping the display element and a black matrix having a first side contacting the color filter and a second side extending in an edge direction of the substrate; and a blocking layer between the black matrix and the substrate, wherein a tip end of the blocking layer has no step difference with an end of the black matrix.
    Type: Grant
    Filed: December 22, 2023
    Date of Patent: January 21, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Woo Lim, Bon-Yong Koo, Hyungjune Kim, Eunje Jang, Jang-Bog Ju
  • Publication number: 20240276827
    Abstract: A display device includes a base layer having a plurality of light-emitting regions and a non-light-emitting region disposed adjacent to the plurality of light-emitting regions, and a color filter layer disposed on the base layer. The color filter layer includes a first color filter that transmits a first color light, a second color filter that transmits a second color light, the first color light and the second color light being different from each color, and a third color filter that transmits a third color light, the first color light, the second color light, and the third color light being different from each other. The first to third color filters overlap each other in the non-light-emitting region in a plan view, and in the third color filter, a measurement opening is defined in a region overlapping the non-light-emitting region in a plan view.
    Type: Application
    Filed: December 14, 2023
    Publication date: August 15, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: MOON-KEUN CHOI, HYUNBAE PARK, SEUNGHUI SEO, Hyelynn SONG, TAE WOO LIM
  • Publication number: 20240206276
    Abstract: A color conversion substrate includes an upper substrate including a first area and a second area adjacent to the first area and a first color filter, a second color filter, and a third color filter which are disposed on the upper substrate and in the first area and the second area, and an opening corresponding to the first color filter is defined by a one of the second color filter and the third color filter having a smaller stitch error between the first area and the second area.
    Type: Application
    Filed: October 16, 2023
    Publication date: June 20, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: SEUNGHUI SEO, SOON TAK JUNG, HYUNBAE PARK, Hyelynn Song, TAE WOO LIM, MOON-KEUN CHOI
  • Publication number: 20240130192
    Abstract: A display apparatus includes: a substrate; a pixel circuit layer on the substrate and including a thin-film transistor; a display element layer on the pixel circuit layer and including a display element electrically connected to the thin-film transistor; a color filter layer on the display element layer and including a color filter overlapping the display element and a black matrix having a first side contacting the color filter and a second side extending in an edge direction of the substrate; and a blocking layer between the black matrix and the substrate, wherein a tip end of the blocking layer has no step difference with an end of the black matrix.
    Type: Application
    Filed: December 22, 2023
    Publication date: April 18, 2024
    Inventors: TAE WOO LIM, BON-YONG KOO, HYUNGJUNE KIM, EUNJE JANG, JANG-BOG JU
  • Patent number: 11856803
    Abstract: A display apparatus includes: a substrate; a pixel circuit layer on the substrate and including a thin-film transistor; a display element layer on the pixel circuit layer and including a display element electrically connected to the thin-film transistor; a color filter layer on the display element layer and including a color filter overlapping the display element and a black matrix having a first side contacting the color filter and a second side extending in an edge direction of the substrate; and a blocking layer between the black matrix and the substrate, wherein a tip end of the blocking layer has no step difference with an end of the black matrix.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: December 26, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Woo Lim, Bon-Yong Koo, Hyungjune Kim, Eunje Jang, Jang-Bog Ju
  • Patent number: 11837589
    Abstract: A tiled display device including a first display device; a second display device located at one side of the first display device in a first direction; a first chassis disposed under the first display device to support the first display device; and a second chassis disposed under the second display device to support the second display device. An end portion of the first chassis and an end portion of the second chassis are directly connected to each other, and an end portion of the first display device and an end portion of the second display device come into direct contact with each other.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: December 5, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Woo Lim, Hyung June Kim, Eun Je Jang, Jang Bog Ju
  • Publication number: 20230363232
    Abstract: A color conversion panel includes a substrate including a display area including a color conversion layer, a first pixel area, a second pixel area, and a non-pixel area, and a plurality of color filter layers on the substrate. The color filter layers include a first color filter layer in the first pixel area and defining in the non-pixel area, a first alignment pattern, and a first opening spaced from the first alignment pattern, the first pixel area and the second pixel area, and a second color filter layer in the second pixel area, covering the first alignment pattern of the first color filter layer and defining in the non-pixel area a second alignment pattern which overlaps the first opening of the first color filter layer and exposes a portion of the first color filter layer at the first opening, to outside the second color filter layer.
    Type: Application
    Filed: February 9, 2023
    Publication date: November 9, 2023
    Inventors: SEUNGHUI SEO, TAE WOO LIM, MOON-KEUN CHOI, WAL JUN KIM, HYUNBAE PARK, Hyelynn Song
  • Patent number: 11693172
    Abstract: A display apparatus includes a light source, a display panel, a light guide member, and an optical member. The light source is configured to generate light. The display panel is configured to display an image. The light guide member includes at least one surface adjacent to the light source. The optical member is between the light guide member and the display panel. The optical member includes a low refractive layer, a first cover layer, and a light conversion layer. The low refractive layer is on a light output surface of the light guide member and includes side surfaces. The first cover layer is on the low refractive layer and surrounds at least a portion of the side surfaces of the low refractive layer. The light conversion layer is on the first cover layer and is configured to covert a wavelength band of incident light.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: July 4, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hongbeom Lee, Yeogeon Yoon, Tae Woo Lim, Jangsoo Kim, Dongwoo Kim, Min Su Kim, Keunwoo Park, Seongyeon Lee
  • Publication number: 20230144317
    Abstract: Provided is a display device including: a first substrate including a display area, and a non-display area surrounding the display area; a second substrate disposed on the first substrate, and facing the first substrate; a first color filter disposed between the first substrate and the second substrate, and including a first opening exposing the second substrate in the non-display area; and a refractive layer disposed between the first substrate and the first color filter to overlap the display area and the non-display area and to fill the first opening in the non-display area.
    Type: Application
    Filed: November 10, 2022
    Publication date: May 11, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Tae Woo LIM, Moonsoon KIM, Jae-Seung KIM, Seunghui SEO, Moon-Keun CHOI, Sangbeom HAN, Kipyo HONG
  • Publication number: 20230005995
    Abstract: A color conversion panel includes: a substrate; a plurality of color filters on the substrate; a partition wall on the substrate, and including a first opening, a second opening, a third opening, and a sub-opening; a first color conversion layer disposed in the first opening of the partition wall; a second color conversion layer disposed in the second opening of the partition wall; a transmission layer disposed in the third opening of the partition wall; an additional layer disposed in the sub-opening of the partition wall; and a spacer on the additional layer.
    Type: Application
    Filed: May 2, 2022
    Publication date: January 5, 2023
    Inventors: Tae Woo LIM, Moon Soon KIM, Jae-Seung KIM, Seung Hui SEO, Moon-Keun CHOI, Sang Beom HAN, Ki Pyo HONG
  • Publication number: 20220139892
    Abstract: A tiled display device including a first display device; a second display device located at one side of the first display device in a first direction; a first chassis disposed under the first display device to support the first display device; and a second chassis disposed under the second display device to support the second display device. An end portion of the first chassis and an end portion of the second chassis are directly connected to each other, and an end portion of the first display device and an end portion of the second display device come into direct contact with each other.
    Type: Application
    Filed: August 25, 2021
    Publication date: May 5, 2022
    Inventors: Tae Woo Lim, Hyung June Kim, Eun Je Jang, Jang Bog Ju
  • Publication number: 20220085113
    Abstract: A display apparatus includes: a substrate; a pixel circuit layer on the substrate and including a thin-film transistor; a display element layer on the pixel circuit layer and including a display element electrically connected to the thin-film transistor; a color filter layer on the display element layer and including a color filter overlapping the display element and a black matrix having a first side contacting the color filter and a second side extending in an edge direction of the substrate; and a blocking layer between the black matrix and the substrate, wherein a tip end of the blocking layer has no step difference with an end of the black matrix.
    Type: Application
    Filed: July 1, 2021
    Publication date: March 17, 2022
    Inventors: TAE WOO LIM, BON-YONG KOO, HYUNGJUNE KIM, EUNJE JANG, JANG-BOG JU
  • Publication number: 20210191028
    Abstract: An embodiment of the inventive concept provides a display apparatus including a light source configured to generate light, a display panel configured to display images, a light guide member disposed such that at least one surface thereof is adjacent to the light source, and an optical member disposed between the light guide member and the display panel, wherein the optical member includes a low refraction layer disposed on a light emitting surface of the light guide member and having a plurality of side surfaces, a first cover layer disposed on the low refraction layer and surrounding at least a portion of the plurality of side surfaces of the low refraction layer, and a light conversion layer disposed on the first cover layer and converting the wavelength band of an incident light.
    Type: Application
    Filed: October 18, 2018
    Publication date: June 24, 2021
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hongbeom LEE, Yeogeon YOON, Tae Woo LIM, Jangsoo KIM, Dongwoo KIM, Min Su KIM, Keunwoo PARK, Seongyeon LEE
  • Publication number: 20200012030
    Abstract: Disclosed herein is a backlight unit, the backlight unit comprises a light guide plate; a wavelength conversion layer disposed above the light guide plate; and a reflective polarizing layer disposed above the wavelength conversion layer and comprising a patterned polarizer, wherein the wavelength conversion layer and the reflective polarizing layer are integrally formed as one piece.
    Type: Application
    Filed: December 7, 2018
    Publication date: January 9, 2020
    Inventors: Keun Woo PARK, Min Su KIM, Hong Beom LEE, Tae Woo LIM