Patents by Inventor Gak-Seok Lee

Gak-Seok 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: 20230209960
    Abstract: A display panel includes a light-emitting element which outputs source light and includes a first electrode, a light-emitting layer disposed on the first electrode, and a second electrode disposed on the light-emitting layer, a light control layer disposed on the light-emitting element and including a first light control pattern which converts the source light into first light, and a second light control pattern which transmits the source light, and a color filter layer disposed on the light control layer and including a first color filter overlapping the first light control pattern, and a second color filter overlapping the second light control pattern. The first color filter has a light transmittance of 70% or less in a wavelength range of 600 nm to 640 nm, and the second color filter has a light transmittance of 75% or less in a wavelength range of 430 nm to 470 nm.
    Type: Application
    Filed: September 30, 2022
    Publication date: June 29, 2023
    Inventors: INOK KIM, CHANSU KIM, KEUNCHAN OH, GAK SEOK LEE, SANGHUN LEE, SOYUN LEE, JIEUN JANG, CHANG-SOON JANG
  • Publication number: 20230171992
    Abstract: Provided is an electronic device including a display module, and an anti-reflection member disposed on the display module and having an SCI reflectance in a range of about 4% to about 7% with respect to light having a wavelength in a range of about 350 nm to about 370 nm. The anti-reflection member includes a base layer, a hard coating layer disposed on the base layer, a first optical layer disposed on the hard coating layer and having a first refractive index, and a second optical layer disposed on the first optical layer and having a second refractive index that is smaller than the first refractive index.
    Type: Application
    Filed: September 16, 2022
    Publication date: June 1, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: BYOUNGKI KIM, DO-HYUK KWON, YOUSIK SHIN, GAK SEOK LEE, KYUNGHWAN JEON
  • Publication number: 20230135697
    Abstract: A display panel includes: a light emitting element layer comprising a plurality of light emitting elements configured to emit a first color light; and a color conversion layer on the light emitting element layer that is configured to receive the first color light, configured to convert a wavelength of the first color light, and configured to output at least two lights having different colors from each other, the color conversion layer comprising: a first color conversion pattern configured to convert the wavelength of the first color light, and configured to output a second color light; a second color conversion pattern configured to convert the wavelength of the first color light, and configured to output a third color light; and a third color conversion pattern configured to transmit the first color light.
    Type: Application
    Filed: October 17, 2022
    Publication date: May 4, 2023
    Inventors: GAK SEOK LEE, INOK KIM, KEUNCHAN OH, SANGHUN LEE, SOYUN LEE, JIEUN JANG, CHANG-SOON JANG
  • Patent number: 11616101
    Abstract: A display device includes: a substrate; a color filter layer disposed below the substrate; a color control layer disposed below the color filter layer; and an optical auxiliary layer disposed between the substrate and the color filter layer and having a base portion and a plurality of recess portions, the plurality of recess portion defined in the base portion and recessed in a direction toward the substrate, wherein an average refractive index of the optical auxiliary layer is greater than or equal to an average refractive index of the substrate and is less than or equal to an average refractive index of the color filter layer.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: March 28, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gak Seok Lee, Keunchan Oh, Byung-Chul Kim, Jang Wi Ryu, Inseok Song, Halim Ji
  • Patent number: 11609368
    Abstract: A display device includes: a substrate including light-emitting areas and a light-blocking area including a spacer area; a color filter layer including color filters and a dummy color pattern, wherein the color filters are disposed in the light emitting areas, and the dummy color pattern is disposed in the spacer area; a light-transmitting layer disposed on the color filter layer and including a light-transmitting pattern and a light-transmitting dummy pattern, wherein the light-transmitting pattern is disposed on the color filters, and the light-transmitting dummy pattern is disposed on the dummy color pattern; and a bank layer disposed on the dummy color pattern, wherein the bank layer includes a spacer part disposed in the light-blocking area, and a bank part disposed in the light-blocking area, wherein the spacer part overlaps the spacer area, wherein the bank part has a smaller height than the spacer part with respect to the substrate.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: March 21, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: In Seok Song, Byung Chul Kim, Jang Wi Ryu, Gak Seok Lee, Ha Lim Ji
  • Publication number: 20230060722
    Abstract: A display device may include a transistor substrate including a driving element, and having a display area, and a non-display area surrounding the display area, a bank layer on the non-display area of the transistor substrate, and exposing an outer area of the non-display area of the transistor substrate that is opposite to the display area, an inorganic insulating layer covering an upper surface of the bank layer, a side surface of the bank layer, and the outer area of the transistor substrate, a low refractive layer on the inorganic insulating layer, and a first color filter layer on the non-display area to cover a portion of an upper surface of the inorganic insulating layer, and a side surface of the inorganic insulating layer.
    Type: Application
    Filed: May 12, 2022
    Publication date: March 2, 2023
    Inventors: INOK KIM, SANGHUN LEE, CHANSU KIM, KEUNCHAN OH, GAK SEOK LEE, SOYUN LEE, JIEUN JANG, CHANG-SOON JANG
  • Publication number: 20230051958
    Abstract: Provided are a color converting substrate and a display device including same. The color converting substrate includes: a base portion in which a first light transmission area, a first light blocking area, and a second light transmission area, which are sequentially and closely arranged in a first direction, are defined; a first wavelength converting pattern located on the base portion and configured to wavelength-covert a first color light into a second color light; a second wavelength converting pattern located on the base portion and configured to wavelength-convert the first color light into a third color light; and a light transmission pattern located on the base portion and configured to transmit the first color light.
    Type: Application
    Filed: June 24, 2020
    Publication date: February 16, 2023
    Inventors: Jae Min SEONG, In Ok KIM, Keun Chan OH, Gak Seok LEE, Sun Kyu JOO, Byung Chul KIM, In Seok SONG, You Sik SHIN, Ji Eun JANG, Chang Soon JANG, Ha Lim JI
  • Publication number: 20230006184
    Abstract: A display panel includes a base substrate including: a plurality of pixel regions and a peripheral region adjacent thereto; a pixel defining film disposed on the base substrate and having a plurality of openings, each of which corresponding to a respective one of the plurality of pixel regions; a plurality of light emitting elements disposed on the base substrate corresponding to the plurality of openings and configured to generate first color light; an encapsulation member disposed on the plurality of light emitting elements; a light shield pattern disposed on the encapsulation member and overlapping the peripheral region when viewed in a plan view; and a light control layer disposed on the encapsulation member and the light shield pattern and overlapping the plurality of pixel regions. The pixel defining film includes a first color material, and the light shield pattern includes a second color material different form the first color.
    Type: Application
    Filed: September 13, 2022
    Publication date: January 5, 2023
    Inventors: Sun-Kyu JOO, Byung-Chul KIM, INOK KIM, JAECHEOL PARK, Jaemin SEONG, Inseok SONG, KEUNCHAN OH, GAK SEOK LEE, Jieun JANG, Chang-Soon JANG
  • Patent number: 11469403
    Abstract: A display panel includes a base substrate including: a plurality of pixel regions and a peripheral region adjacent thereto; a pixel defining film disposed on the base substrate and having a plurality of openings, each of which corresponding to a respective one of the plurality of pixel regions; a plurality of light emitting elements disposed on the base substrate corresponding to the plurality of openings and configured to generate first color light; an encapsulation member disposed on the plurality of light emitting elements; a light shield pattern disposed on the encapsulation member and overlapping the peripheral region when viewed in a plan view; and a light control layer disposed on the encapsulation member and the light shield pattern and overlapping the plurality of pixel regions. The pixel defining film includes a first color material, and the light shield pattern includes a second color material different from the first color.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: October 11, 2022
    Inventors: Sun-Kyu Joo, Byung-Chul Kim, Inok Kim, Jaecheol Park, Jaemin Seong, Inseok Song, Keunchan Oh, Gak Seok Lee, Jieun Jang, Chang-Soon Jang
  • Publication number: 20220271095
    Abstract: A display panel, includes: a base substrate including a pixel region and a peripheral region adjacent to the pixel region; a reflection pattern disposed on the base substrate; a light conversion pattern disposed on the base substrate and overlapping the reflection pattern, the light conversion pattern including a top surface and a side surface; an emitter disposed on the light conversion pattern to emit a source light, the emitter being in contact with at least the side surface of the light conversion pattern; a color filter disposed on the top surface of the light conversion pattern; and a light-blocking pattern disposed outside the color filter.
    Type: Application
    Filed: January 10, 2021
    Publication date: August 25, 2022
    Inventors: YOUYOUNG JIN, KEUNCHAN OH, CHANSU KIM, JAEMIN SEONG, GAK SEOK LEE, SUN-KYU JOO, HALIM JI
  • Publication number: 20220223654
    Abstract: A color converting substrate includes: a base part having, defined therein a first light transmitting region, a second light transmitting region spaced apart from the first light transmitting region in a first direction, and a first light blocking region between the first light transmitting region and the second light transmitting region; a first color filter positioned on one surface of the base part and overlapping the first light transmitting region; a second color filter positioned on the one surface of the base part and overlapping the second light transmitting region; a light blocking pattern overlapping the first light blocking region and positioned on the one surface of the base part; and a light transmitting pattern positioned on the first color filter, the second color filter, and the light blocking pattern, wherein the first color filter and the second color filter include a coloring material of a first color.
    Type: Application
    Filed: May 7, 2020
    Publication date: July 14, 2022
    Inventors: Jang Wi RYU, Soo Dong KIM, Byung Chul KIM, In Seok SONG, Ha Lim JI, Gak Seok LEE
  • Publication number: 20220130907
    Abstract: A display device includes a first substrate, a pixel structure, a first optical filter, a first-color filter, a second optical filter, a second-color filter, and a second substrate. The pixel structure is disposed between the first substrate and each of the optical filters. The first-color filter is disposed on the first optical filter and has a first refractive index. The second optical filter is spaced from the first optical filter and includes a second-color pigment. The second-color filter is disposed on the second optical filter and has a second refractive index. The second substrate is disposed on the first color filter and the second color filter and has a third refractive index. A difference between the third refractive index and the second refractive index is less than a difference between the third refractive index and the first refractive index.
    Type: Application
    Filed: July 20, 2021
    Publication date: April 28, 2022
    Inventors: INSEOK SONG, GAK SEOK LEE, KEUNCHAN OH, BYUNG-CHUL KIM, JANG WI RYU, HALIM JI
  • Patent number: 11309360
    Abstract: A color conversion substrate includes a base on which first to third light outputting regions and a light shielding region surrounding the first to third light outputting regions are defined; first to third color filters on the base in the first to third light outputting regions, respectively; a first light shielding member on the first color filter in the light shielding region; a light transmission pattern on the first color filter; a first wavelength conversion pattern on the second color filter and which converts light of a first color into light of a second color; and a second wavelength conversion pattern on the third color filter and which converts the light of the first color into light of a third color. A first opening located in the light shielding region is defined in at least one of the light transmission pattern and the first and second wavelength conversion patterns.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: April 19, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun Kyu Joo, Byung Chul Kim, In Ok Kim, Jae Min Seong, In Seok Song, Keun Chan Oh, Gak Seok Lee, Ji Eun Jang, Chang Soon Jang
  • Publication number: 20220102433
    Abstract: A display device may include a substrate, a first color conversion layer on the substrate, a low refractive layer on the first color conversion layer and including low refractive structures, a planarization layer on the low refractive layer, and a first color filter on the planarization layer. The planarization layer may also be between the low refractive structures.
    Type: Application
    Filed: June 23, 2021
    Publication date: March 31, 2022
    Inventors: INOK KIM, YOUYOUNG JIN, YOUSIK SHIN, KEUNCHAN OH, GAK SEOK LEE, SUNGJOON CHO, SUN-KYU JOO
  • Patent number: 11289544
    Abstract: A display device is provided. A display device includes a plurality of pixels arranged in a row axis and in a column axis that intersects the row axis, a first substrate on which a light-emitting element disposed in each of the pixels is disposed, a second substrate which faces the first substrate, and a first wavelength conversion pattern disposed on the second substrate in a first pixel column and which converts wavelength of light emitted from the light-emitting element. The first wavelength conversion pattern includes a first main pattern part arranged in a stripe fashion along the column axis and a protruding pattern part projected from the first main pattern part toward at least one of first and second directions of the row axis.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: March 29, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun Kyu Joo, Keun Chan Oh, Byung Chul Kim, In Ok Kim, In Seok Song, Gak Seok Lee, Chang Soon Jang
  • Publication number: 20220085114
    Abstract: A color transformation substrate comprises: a base portion having first and second light-blocking areas and first to third light-transmitting areas, where the light-transmitting areas are successively positioned along a first direction; first to third color filters positioned in the first to third light-transmitting areas, respectively; a light-blocking member positioned in the first light-blocking area, and including part contacting the base portion; a color pattern positioned in the second light-blocking area so as to contact the base portion; a first wavelength conversion pattern positioned on the second color filter so as to wavelength-convert light having a first color into light having a second color; and a second wavelength conversion pattern positioned on the third color filter so as to wavelength-convert light having the first color into light having a third color different from light having the second color. The color pattern and the first color filter comprise the same color material.
    Type: Application
    Filed: March 13, 2019
    Publication date: March 17, 2022
    Inventors: Jae Min SEONG, Keun Chan OH, Gak Seok LEE, Sun Kyu JOO, Byung Chul KIM, In Ok KIM, In Seok SONG, Ji Eun JANG, Chang Soon JANG
  • Publication number: 20220050330
    Abstract: A display device includes: a display panel; and a color conversion panel overlapping with the display panel. The color conversion panel includes: a substrate; a first color conversion pattern on the substrate; a second color conversion pattern on the substrate, and partially overlapping with the first color conversion pattern; a first reflective partition wall between the first color conversion pattern and the second color conversion pattern; a first color filter between the substrate and the first color conversion pattern; and a second color filter between the substrate and the second color conversion pattern.
    Type: Application
    Filed: March 25, 2020
    Publication date: February 17, 2022
    Inventors: Chang-Soon JANG, Byung-Chul KIM, In-Ok KIM, Jae-Min SEONG, In-Seok SONG, Gak-Seok LEE, Ji-Eun JANG, Sun-Kyu JOO, Ha-Lim JI
  • Publication number: 20220052121
    Abstract: Provided is a display device. The display device includes a first base portion, a second base portion facing the first base portion, a light emitting layer disposed on one surface of the first base portion and emitting first light, a first wavelength conversion pattern disposed on the light emitting layer and converting the first light into second light having a different wavelength from the first light, a first color filter overlapping the first wavelength conversion pattern on one surface of the second base portion and spaced apart from the first wavelength conversion pattern, and an air layer interposed between the first wavelength conversion pattern and the first color filter.
    Type: Application
    Filed: June 3, 2021
    Publication date: February 17, 2022
    Inventors: Chang Soon JANG, Keun Chan OH, Gak Seok LEE, Sang Hun LEE, So Yun LEE, Ji Eun JANG
  • Publication number: 20220045132
    Abstract: A color conversion panel includes a plurality of pixel areas including a first pixel area and a second pixel area, and a non-pixel area which is adjacent to the first pixel area and the second pixel area, a light blocking layer in the non-pixel area, a color filter layer including a first color filter in the first pixel area and a second color filter in the second pixel area, a color conversion layer which color converts incident light, and scatters and reflects external light, the color conversion layer including a first color conversion pattern corresponding to the first color filter and a light transmission pattern corresponding to the second color filter, and a light absorbing layer which faces the color conversion layer and absorbs light which is scattered and reflected from the color conversion layer.
    Type: Application
    Filed: April 28, 2021
    Publication date: February 10, 2022
    Inventors: GAK SEOK LEE, JIEUN JANG, KEUNCHAN OH, SANGHUN LEE, CHANG-SOON JANG
  • Publication number: 20220003909
    Abstract: A display device includes: a substrate including light-emitting areas and a light-blocking area including a spacer area; a color filter layer including color filters and a dummy color pattern, wherein the color filters are disposed in the light emitting areas, and the dummy color pattern is disposed in the spacer area; a light-transmitting layer disposed on the color filter layer and including a light-transmitting pattern and a light-transmitting dummy pattern, wherein the light-transmitting pattern is disposed on the color filters, and the light-transmitting dummy pattern is disposed on the dummy color pattern; and a bank layer disposed on the dummy color pattern, wherein the bank layer includes a spacer part disposed in the light-blocking area, and a bank part disposed in the light-blocking area, wherein the spacer part overlaps the spacer area, wherein the bank part has a smaller height than the spacer part with respect to the substrate.
    Type: Application
    Filed: March 1, 2021
    Publication date: January 6, 2022
    Inventors: In Seok SONG, Byung Chul KIM, Jang Wi RYU, Gak Seok LEE, Ha Lim JI