Patents by Inventor Bong-Sung Seo

Bong-Sung Seo 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: 20230335694
    Abstract: A display device includes a bank including an opening defining a plurality of pixels; a plurality of light emitting elements disposed in the plurality of pixels; a color conversion layer disposed on the plurality of light emitting elements in the opening; and a low refractive layer disposed on the color conversion layer in the opening.
    Type: Application
    Filed: June 13, 2023
    Publication date: October 19, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Young Gu KIM, Ji Yun PARK, Bong Sung SEO, Jong Ho SON, Yeon Hee LEE, Baek Kyun JEON, Kyung Seon TAK, Jae Jin LYU
  • Publication number: 20230301153
    Abstract: A color conversion panel includes: a substrate; a plurality of banks disposed on the substrate, where the banks partition a first light emitting region, a second light emitting region, and a third light emitting region; a first color conversion layer disposed in the first light emitting region, a second color conversion layer disposed in the second light emitting region, and a transmission layer disposed in the third light emitting region; and a first reflective layer disposed to overlap the first color conversion layer and the second color conversion layer, where the first reflective layer includes a first layer, a second layer, and a third layer, a refractive index of the second layer is greater than a refractive index of the third layer, and the refractive index of the third layer is greater than a refractive index of the first layer.
    Type: Application
    Filed: December 19, 2022
    Publication date: September 21, 2023
    Inventors: Kyung Seon TAK, Gi Hoon YANG, Young Gu KIM, Yun-Hee PARK, Bong-Sung SEO, Seung Hee LEE
  • Publication number: 20230261152
    Abstract: A display device includes a first light emitting element disposed in a first emission area and forming a first pixel, a second light emitting element disposed in a second emission area and forming a second pixel, a bank layer including a first opening corresponding to the first emission area, a second opening corresponding to the second emission area, and a non-emission area partitioning the first emission area and the second emission area, a first color filter layer disposed on the first light emitting element and the bank layer and including first scatterers, a second color filter layer disposed on the second light emitting element and the bank layer and including second scatterers, and a polarization layer disposed on the first color filter layer and the second color filter layer.
    Type: Application
    Filed: September 20, 2022
    Publication date: August 17, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Kyung Seon TAK, Young Gu KIM, Bong Sung SEO
  • Publication number: 20230255083
    Abstract: A display device includes: a display portion including a plurality of pixels; and a color conversion portion overlapping the display portion. The color conversion portion includes: a first color conversion portion, a second color conversion portion, a transmissive portion, and a light blocking portion, the first color conversion portion includes: a first color conversion layer including first semiconductor nanocrystals and a first color filter overlapping the first color conversion layer, the second color conversion portion includes: a second color conversion layer including second semiconductor nanocrystals and a second color filter overlapping the second color conversion layer, and the transmissive portion includes: a transmissive layer. The color conversion portion further includes an insulation layer positioned between the first color conversion layer and the first color filter, and the insulation layer contacts both the first color conversion layer and the first color filter.
    Type: Application
    Filed: February 8, 2023
    Publication date: August 10, 2023
    Inventors: Baek Kyun JEON, Young Gu KIM, Jiyun PARK, Bong-Sung SEO
  • Patent number: 11705544
    Abstract: A display device includes a bank including an opening defining a plurality of pixels; a plurality of light emitting elements disposed in the plurality of pixels; a color conversion layer disposed on the plurality of light emitting elements in the opening; and a low refractive layer disposed on the color conversion layer in the opening.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: July 18, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Gu Kim, Ji Yun Park, Bong Sung Seo, Jong Ho Son, Yeon Hee Lee, Baek Kyun Jeon, Kyung Seon Tak, Jae Jin Lyu
  • Publication number: 20230200139
    Abstract: A display device includes a substrate including a display area, and a non-display area, and dams disposed in the non-display area. Each of the dams surrounds the display area, the dams include a first dam adjacent to the display area, second dams surrounding the first dam, and third dams surrounding the second dams. The second dams are spaced apart from each other, the third dams are spaced apart from each other, and opposing ends of at least one of the second dams and the third dams has a curvature.
    Type: Application
    Filed: July 28, 2022
    Publication date: June 22, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Suk Kung CHEI, Young Gu KIM, Yun Hee PARK, Ji Yun PARK, Kyung Seon TAK, Bong Sung SEO
  • Publication number: 20230155069
    Abstract: Provided herein may be a display device and a method of fabricating the same. The display device may include a substrate including pixels, color filters disposed on the substrate and overlapping the pixels, protrusion patterns disposed on a boundary between the pixels, with a step difference formed between the protrusion patterns and the color filters, and an overcoat layer formed with a uniform thickness on the color filters and the protrusion patterns.
    Type: Application
    Filed: June 10, 2022
    Publication date: May 18, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Dong Geun SHIN, Tae Min KIM, Bong Sung SEO, Gi Hoon YANG, Seul Gee LEE, Ho LIM, Suk Kung CHEI
  • Publication number: 20230009629
    Abstract: The display device comprises a light emitting element layer on a substrate and configured to emit light, a wavelength control layer on the light emitting element layer and configured to convert a wavelength of the light, a color filter layer on the wavelength control layer, and an anti-reflection layer on the color filter layer, wherein the anti-reflection layer includes a first inorganic layer on the color filter layer, a second inorganic layer on the first inorganic layer, and a coating layer on the second inorganic layer and including a dye.
    Type: Application
    Filed: March 30, 2022
    Publication date: January 12, 2023
    Inventors: Seul Gee LEE, Tae Min KIM, Bong Sung SEO, Dong Geun SHIN, Gi Hoon YANG, Seung Hee LEE, Ho LIM
  • Publication number: 20220375996
    Abstract: A display device may include a substrate including a display area and a non-display area; and a plurality of pixels disposed in the display area, the plurality of pixels each including an emission area and a non-emission area. Each of the plurality of pixels may include at least one light emitting element in the emission area; a first pixel electrode and a second pixel electrode electrically connected to the at least one light emitting element; a bank including a first opening corresponding to the emission area; a color conversion layer disposed in the emission area to correspond to the at least one light emitting element; a barrier layer disposed on the bank and the color conversion layer; and a low refractive layer disposed on the barrier layer. The barrier layer may include silicon oxide (SiOx) having cured polysilazane.
    Type: Application
    Filed: January 3, 2022
    Publication date: November 24, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Young Gu KIM, Chang Hee LEE, Yun Hee PARK, Ji Yun PARK, Bong Sung SEO, Baek Kyun JEON, Kyung Seon TAK
  • Publication number: 20220262870
    Abstract: A display device comprises pixels including a first sub-pixel, a second sub-pixel, a third sub-pixel, a fourth sub-pixel, and a fifth sub-pixel, each sub-pixel including an emission area, wherein the first sub-pixel and the fourth sub-pixel emit light of a first color, the second sub-pixel and the fifth sub-pixel emit light of a second color, the third sub-pixel emits light of a third color, a first emission area of the first sub-pixel, a second emission area of the second sub-pixel, a fourth emission area of the fourth sub-pixel, and a fifth emission area of the fifth sub-pixel surround a third emission area of the third sub-pixel, and the third emission area of the third sub-pixel has four interior angles equal to or greater than about 180 degrees, and another four interior angles equal to or less than about 90 degrees.
    Type: Application
    Filed: October 5, 2021
    Publication date: August 18, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Jong Ho SON, Young Gu KIM, Ji Yun PARK, Bong Sung SEO, Yeon Hee LEE, Baek Kyun JEON, Kyung Seon TAK
  • Patent number: 11391992
    Abstract: A liquid crystal display includes: a first substrate; a second substrate overlapping the first substrate and spaced apart therefrom; a liquid crystal layer between the first substrate and the second substrate and including liquid crystal molecules; a first alignment layer between the first substrate and the liquid crystal layer; and a plurality of protrusions between the first alignment layer and the liquid crystal layer, wherein the first alignment layer includes a photoinitiator, wherein the plurality of protrusions include a polymerization product of the photoinitiator, a reactive mesogen, and a vertical alignment additive, and the vertical alignment additive may be less reactive than the photoinitiator.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: July 19, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Oh Jeong Kwon, Ka Eun Kim, Tae Min Kim, Duck Jong Suh, Bong-Sung Seo, Seul Gee Lee
  • Publication number: 20220165816
    Abstract: A display device includes a substrate. The substrate includes a display area and a non-display area, and the display area includes an emission area and a non-emission area. A display element layer includes a light emitting element on the emission area of the substrate. A bank is on the display element layer and overlaps the non-display area and the non-emission area of the substrate in a plan view. A color conversion layer is on the display element layer, overlaps the emission area in the plan view, and is to convert a color of light emitted from the light emitting element. An organic insulating layer is on the color conversion layer and the bank. A maximum thickness of the bank is about 4 ?m to about 20 ?m. An average inclination angle of a first side surface of the bank adjacent to an edge of the substrate in the non-display area based on an upper surface of the substrate is less than or equal to about 45 degrees.
    Type: Application
    Filed: August 4, 2021
    Publication date: May 26, 2022
    Inventors: Jong Ho SON, Young Gu KIM, Ji Yun PARK, Duck Jong SUH, Bong Sung SEO, Yeon Hee LEE, Baek Kyun JEON, Kyung Seon TAK
  • Publication number: 20220140289
    Abstract: A display device includes: a substrate; a first electrode on the substrate; a bank layer on the first electrode; an organic light-emitting layer on the first electrode; a second electrode on the organic light-emitting layer and the bank layer; a high-refractive lens on the second electrode and having a refractive index higher than a refractive index of a material that overlaps the first electrode and contacts a side surface of the high-refractive lens; a display panel including an encapsulation member that is on the high-refractive lens; and an optical path adjustment film on the display panel. The optical path adjustment film includes a plurality of protruding patterns on the encapsulation member and a cover layer in spaces between adjacent protruding patterns from among the plurality of protruding patterns. A refractive index of each of the protruding patterns is smaller than a refractive index of the cover layer.
    Type: Application
    Filed: August 16, 2021
    Publication date: May 5, 2022
    Inventors: Kyung Seon TAK, Young Gu KIM, Ji Yun PARK, Bong Sung SEO, Jong Ho SON, Yeon Hee LEE, Baek Kyun JEON
  • Publication number: 20220123183
    Abstract: A display device includes a bank including an opening defining a plurality of pixels; a plurality of light emitting elements disposed in the plurality of pixels; a color conversion layer disposed on the plurality of light emitting elements in the opening; and a low refractive layer disposed on the color conversion layer in the opening.
    Type: Application
    Filed: May 13, 2021
    Publication date: April 21, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Young Gu KIM, Ji Yun PARK, Bong Sung SEO, Jong Ho SON, Yeon Hee LEE, Baek Kyun JEON, Kyung Seon TAK, Jae Jin LYU
  • Publication number: 20220077253
    Abstract: A display device includes a bank including an opening defining pixels, light emitting elements disposed in the pixels, a color conversion layer disposed on the light emitting elements in the opening, a capping layer overlapping the color conversion layer, and a color filter layer disposed on the capping layer. The color filter layer includes a low refractive material.
    Type: Application
    Filed: March 25, 2021
    Publication date: March 10, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Gi Hoon YANG, Tae Min KIM, Bong Sung SEO, Dong Geun SHIN, Ho LIM
  • Publication number: 20220037623
    Abstract: A low refractive layer and a display device are provided. The display device includes a plurality of light-emitting elements, a color conversion layer on the light-emitting elements, and a low refractive layer on the color conversion layer, wherein the low refractive layer includes a monomer represented by Formula 1. In Formula 1, R1 and R3 may each independently be a substituted or unsubstituted alkyl group or hydrogen, R2 may be a substituted or unsubstituted alkyl group having two or more carbon atoms, Xa, Xb, and Xc may each independently be a curable functional group, and n and m may each independently be a natural number in a range of 1 to 5.
    Type: Application
    Filed: February 19, 2021
    Publication date: February 3, 2022
    Inventors: Ji Yun PARK, Young Gu KIM, Bong Sung SEO, Jong Ho SON, Yeon Hee LEE, Baek Kyun JEON, Kyung Seon TAK
  • Publication number: 20200406597
    Abstract: A window for a display includes a first layer including polyurethane, a second layer disposed on the first layer and the second layer having a Young's modulus in a range of about 3 GPa to about 10 GPa, a third layer disposed on the second layer, and a hard coating layer disposed on the third layer.
    Type: Application
    Filed: March 24, 2020
    Publication date: December 31, 2020
    Inventors: Ho Lim, Jae Jin Lyu, Ka Eun Kim, Tae Min Kim, Duck Jong Suh, Bong Sung Seo, Seul Gee Lee
  • Publication number: 20190064605
    Abstract: A liquid crystal display includes: a first substrate; a second substrate overlapping the first substrate and spaced apart therefrom; a liquid crystal layer between the first substrate and the second substrate and including liquid crystal molecules; a first alignment layer between the first substrate and the liquid crystal layer; and a plurality of protrusions between the first alignment layer and the liquid crystal layer, wherein the first alignment layer includes a photoinitiator, wherein the plurality of protrusions include a polymerization product of the photoinitiator, a reactive mesogen, and a vertical alignment additive, and the vertical alignment additive may be less reactive than the photoinitiator.
    Type: Application
    Filed: May 16, 2018
    Publication date: February 28, 2019
    Inventors: Oh Jeong KWON, Ka Eun KIM, Tae Min KIM, Duck Jong SUH, Bong-Sung SEO, Seul Gee LEE
  • Patent number: 10073301
    Abstract: A liquid crystal display includes a first substrate, a gate line on the first substrate, a thin film transistor on the first substrate and connected to the gate line, a first electrode and a second electrode on the first substrate, an insulating layer between the first electrode and the second electrode, a second substrate facing the first substrate, and a liquid crystal layer between the first substrate and the second substrate and including a liquid crystal molecule. One of the first electrode and the second electrode includes a plurality of branch electrodes extending in an extension direction parallel to the gate line, and the other one of the first electrode and the second electrode has a planar shape. The liquid crystal molecule of the liquid crystal layer has negative dielectric anisotropy.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: September 11, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Bong Sung Seo, Chang-Hun Lee, Baek Kyun Jeon
  • Patent number: 9857634
    Abstract: A liquid crystal display includes a first substrate, a thin film transistor positioned on the first substrate, a first electrode connected to the thin film transistor, a second substrate facing the first substrate, a first alignment layer positioned on the first electrode and a second alignment layer positioned on the second substrate, and a liquid crystal layer positioned between the first substrate and the second substrate and including a liquid crystal molecule. At least one of the first alignment layer and the second alignment layer includes a copolymer of cyclobutanedianhydride (CBDA), a diamine, and a compound represented by Chemical Formula 2. In which X of Chemical Formula 2 represents ā€”(CH2)m-Oā€”(CH2)nā€”, and a sum of m and n is an odd number.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: January 2, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Bong Sung Seo, Suk Hoon Kang, Baek Kyun Jeon