Patents by Inventor Minju HAN

Minju HAN 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: 20240069258
    Abstract: An optical filter includes a substrate including a plurality of pixel areas spaced apart from each other and a light-blocking area between the plurality of pixel areas, a plurality of color filters arranged on a first surface of the substrate and corresponding to the plurality of pixel areas, and a plurality of conversion layers arranged on the first surface of the substrate and corresponding to the plurality of color filters. Each of the conversion layers includes inclined side surfaces. The optical filter further includes a reflective layer on the inclined side surfaces of each of the plurality of conversion layers. The reflective layer extends to the light-blocking area and is arranged consecutively on two adjacent inclined side surfaces from among the inclined side surfaces of the plurality of conversion layers and the light-blocking area between the two adjacent inclined side surfaces.
    Type: Application
    Filed: October 27, 2023
    Publication date: February 29, 2024
    Inventors: MINSIK JUNG, OHJEONG KWON, SANGGYUN KIM, BYOUNGSEONG JEONG, MINJU HAN
  • Patent number: 11803000
    Abstract: An optical filter includes a substrate including a plurality of pixel areas spaced apart from each other and a light-blocking area between the plurality of pixel areas, a plurality of color filters arranged on a first surface of the substrate and corresponding to the plurality of pixel areas, and a plurality of conversion layers arranged on the first surface of the substrate and corresponding to the plurality of color filters. Each of the conversion layers includes inclined side surfaces. The optical filter further includes a reflective layer on the inclined side surfaces of each of the plurality of conversion layers. The reflective layer extends to the light-blocking area and is arranged consecutively on two adjacent inclined side surfaces from among the inclined side surfaces of the plurality of conversion layers and the light-blocking area between the two adjacent inclined side surfaces.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: October 31, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Minsik Jung, Ohjeong Kwon, Sanggyun Kim, Byoungseong Jeong, Minju Han
  • Publication number: 20230257401
    Abstract: Embodiments provide a light emitting device that includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a first compound represented by Formula 1-1 or Formula 1-2, which are each explained in the specification.
    Type: Application
    Filed: November 28, 2022
    Publication date: August 17, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: MINJU HAN, YOONKYOO LEE, HAN GEUL LEE, CHANGWOONG CHU
  • Patent number: 11508940
    Abstract: A display device includes a light emitting element layer, and an optical pattern layer disposed on the light emitting element layer. The optical pattern layer includes a first pattern layer having a base part and protruding parts, and a second pattern layer having a refractive index less than a refractive index of the first pattern layer to scatter light incident to the optical pattern layer and minimize reduction in front efficiency, thereby providing an improved display quality of a side viewing angle.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: November 22, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ohjeong Kwon, Hongyeon Lee, Seungyeon Jeong, Minju Han
  • Publication number: 20220238606
    Abstract: A display apparatus includes: a first light-emitting device, a second light-emitting device, and a third light-emitting device, on a substrate; a first color conversion layer and a second color conversion layer respectively on the first light-emitting device and the second light-emitting device; a transmissive layer on the third light-emitting device; and an optical functional layer on the first color conversion layer, the second color conversion layer, and the transmissive layer, and comprising a reflective metal layer and a light-absorbing layer, the light-absorbing layer being on the reflective metal layer, wherein the optical functional layer comprises a plurality of openings respectively corresponding to a first emission area of the first light-emitting device, a second emission area of the second light-emitting device, and a third emission area of the third light-emitting device.
    Type: Application
    Filed: December 10, 2021
    Publication date: July 28, 2022
    Inventors: Seungyeon Jeong, Ohjeong Kwon, Hongyeon Lee, Minju Han, Hyeoji Kang
  • Publication number: 20210311232
    Abstract: An optical filter includes a substrate including a plurality of pixel areas spaced apart from each other and a light-blocking area between the plurality of pixel areas, a plurality of color filters arranged on a first surface of the substrate and corresponding to the plurality of pixel areas, and a plurality of conversion layers arranged on the first surface of the substrate and corresponding to the plurality of color filters. Each of the conversion layers includes inclined side surfaces. The optical filter further includes a reflective layer on the inclined side surfaces of each of the plurality of conversion layers. The reflective layer extends to the light-blocking area and is arranged consecutively on two adjacent inclined side surfaces from among the inclined side surfaces of the plurality of conversion layers and the light-blocking area between the two adjacent inclined side surfaces.
    Type: Application
    Filed: June 21, 2021
    Publication date: October 7, 2021
    Inventors: Minsik Jung, Ohjeong Kwon, Sanggyun Kim, Byoungseong Jeong, Minju Han
  • Patent number: 11041981
    Abstract: An optical filter includes a substrate including a plurality of pixel areas spaced apart from each other and a light-blocking area between the plurality of pixel areas, a plurality of color filters arranged on a first surface of the substrate and corresponding to the plurality of pixel areas, and a plurality of conversion layers arranged on the first surface of the substrate and corresponding to the plurality of color filters. Each of the conversion layers includes inclined side surfaces. The optical filter further includes a reflective layer on the inclined side surfaces of each of the plurality of conversion layers. The reflective layer extends to the light-blocking area and is arranged consecutively on two adjacent inclined side surfaces from among the inclined side surfaces of the plurality of conversion layers and the light-blocking area between the two adjacent inclined side surfaces.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: June 22, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Minsik Jung, Ohjeong Kwon, Sanggyun Kim, Byoungseong Jeong, Minju Han
  • Patent number: 11016325
    Abstract: A display device including a display layer to provide a first color light, a color control layer on the grayscale display layer and including a transmission filter for transmitting the first color light and a color conversion filter for converting the first color light to another color light, and an optical control layer on the color control layer. The optical control layer includes a metal layer having an absorption coefficient of 3 or more and 3.5 or less in a wavelength range of 530 nm to 570 nm and a first inorganic sub-layer having an absorption coefficient of 0.3 or more and 1 or less in a wavelength range of 530 nm to 570 nm.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: May 25, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ohjeong Kwon, Seulgee Lee, Minju Han, Jaejin Lyu, Suk-Kung Chei, Duckjong Suh
  • Patent number: 10971557
    Abstract: A display device includes: a display panel including an organic electroluminescent element; and a color filter on the display panel and including a plurality of color filter portions spaced from each other on a plane, wherein at least one color filter portion of the color filter portions comprises a scattering agent having an average diameter of 50 nanometers (nm) or more and 500 nm or less.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: April 6, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seungyeon Jeong, Ohjeong Kwon, Suk-kung Chei, Minju Han, Duckjong Suh, Bongsung Seo, Jaejin Lyu
  • Publication number: 20210066665
    Abstract: A display device includes a light emitting element layer, and an optical pattern layer disposed on the light emitting element layer. The optical pattern layer includes a first pattern layer having a base part and protruding parts, and a second pattern layer having a refractive index less than a refractive index of the first pattern layer to scatter light incident to the optical pattern layer and minimize reduction in front efficiency, thereby providing an improved display quality of a side viewing angle.
    Type: Application
    Filed: June 5, 2020
    Publication date: March 4, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Ohjeong KWON, Hongyeon LEE, Seungyeon JEONG, Minju HAN
  • Publication number: 20200217998
    Abstract: An optical filter includes a substrate including a plurality of pixel areas spaced apart from each other and a light-blocking area between the plurality of pixel areas, a plurality of color filters arranged on a first surface of the substrate and corresponding to the plurality of pixel areas, and a plurality of conversion layers arranged on the first surface of the substrate and corresponding to the plurality of color filters. Each of the conversion layers includes inclined side surfaces. The optical filter further includes a reflective layer on the inclined side surfaces of each of the plurality of conversion layers. The reflective layer extends to the light-blocking area and is arranged consecutively on two adjacent inclined side surfaces from among the inclined side surfaces of the plurality of conversion layers and the light-blocking area between the two adjacent inclined side surfaces.
    Type: Application
    Filed: December 23, 2019
    Publication date: July 9, 2020
    Inventors: Minsik JUNG, Ohjeong KWON, Sanggyun KIM, Byoungseong JEONG, Minju HAN
  • Publication number: 20200075682
    Abstract: A display device includes: a display panel including an organic electroluminescent element; and a color filter on the display panel and including a plurality of color filter portions spaced from each other on a plane, wherein at least one color filter portion of the color filter portions comprises a scattering agent having an average diameter of 50 nanometers (nm) or more and 500 nm or less.
    Type: Application
    Filed: June 13, 2019
    Publication date: March 5, 2020
    Inventors: Seungyeon JEONG, Ohjeong KWON, Suk-kung CHEI, Minju HAN, Duckjong SUH, Bongsung SEO, Jaejin LYU
  • Publication number: 20190293990
    Abstract: A display device including a display layer to provide a first color light, a color control layer on the grayscale display layer and including a transmission filter for transmitting the first color light and a color conversion filter for converting the first color light to another color light, and an optical control layer on the color control layer. The optical control layer includes a metal layer having an absorption coefficient of 3 or more and 3.5 or less in a wavelength range of 530 nm to 570 nm and a first inorganic sub-layer having an absorption coefficient of 0.3 or more and 1 or less in a wavelength range of 530 nm to 570 nm.
    Type: Application
    Filed: March 18, 2019
    Publication date: September 26, 2019
    Inventors: Ohjeong KWON, Seulgee LEE, Minju HAN, Jaejin LYU, Suk-kung CHEI, Duckjong SUH
  • Patent number: 10185180
    Abstract: A display device includes a plurality of pixels, and each of the plurality of pixels includes: a first sub-pixel including a transistor connected to a gate line and a data line that intersect with each other and are insulated from each other and a first liquid crystal capacitor connected to the transistor. A second sub-pixel includes a first capacitor that is connected to the first liquid crystal capacitor and a second liquid crystal capacitor that is connected to the first capacitor; a resistor that is connected to the first capacitor; and a second capacitor that is connected to the resistor.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: January 22, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hoon Kim, Kichul Shin, Minju Han
  • Publication number: 20160238915
    Abstract: A display device includes a plurality of pixels, and each of the plurality of pixels includes: a first sub-pixel including a transistor connected to a gate line and a data line that intersect with each other and are insulated from each other and a first liquid crystal capacitor connected to the transistor. A second sub-pixel includes a first capacitor that is connected to the first liquid crystal capacitor and a second liquid crystal capacitor that is connected to the first capacitor; a resistor that is connected to the first capacitor; and a second capacitor that is connected to the resistor.
    Type: Application
    Filed: December 7, 2015
    Publication date: August 18, 2016
    Inventors: Hoon KIM, Kichul SHIN, Minju HAN
  • Patent number: 9122106
    Abstract: A display apparatus including pixels, each pixel including a first sub-pixel that includes a first transistor connected to a corresponding first gate line of the first gate lines and a corresponding data line of the data lines and a first pixel electrode connected to the first transistor, a second sub-pixel that includes a second transistor connected to a corresponding second gate line of the second gate lines and the corresponding data line of the data lines and a second pixel electrode connected to the second transistor, and a third sub-pixel that includes a third transistor connected to the corresponding second gate line and the corresponding data line, a fourth transistor connected to the corresponding second gate line and applied with a storage voltage, and a third pixel electrode connected to the third and fourth transistors.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: September 1, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Hoon Jung, Su Jeong Kim, Danbi Yang, Minju Han, Jiphyo Hong, Hyosik Kim, Hoon Kim, Kichul Shin
  • Patent number: 9046712
    Abstract: A liquid crystal display including a first substrate, a second substrate, and liquid crystal molecules disposed between the first substrate and the second substrate. The first substrate includes a first base substrate and a common electrode disposed on the first base substrate. The second substrate includes a second base substrate facing the first base substrate and a first pixel electrode disposed on the second base substrate. The first pixel electrode includes a first area and a second area which form different electric fields in cooperation with the common electrode. Accordingly, the liquid crystal display enhances an aperture ratio and increases a side viewing angle.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: June 2, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hoon Kim, Kaeun Kim, Su Jeong Kim, Kichul Shin, Hokil Oh, Jae-Hoon Jung, Minju Han
  • Publication number: 20140104523
    Abstract: A display apparatus including pixels, each pixel including a first sub-pixel that includes a first transistor connected to a corresponding first gate line of the first gate lines and a corresponding data line of the data lines and a first pixel electrode connected to the first transistor, a second sub-pixel that includes a second transistor connected to a corresponding second gate line of the second gate lines and the corresponding data line of the data lines and a second pixel electrode connected to the second transistor, and a third sub-pixel that includes a third transistor connected to the corresponding second gate line and the corresponding data line, a fourth transistor connected to the corresponding second gate line and applied with a storage voltage, and a third pixel electrode connected to the third and fourth transistors.
    Type: Application
    Filed: February 15, 2013
    Publication date: April 17, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jae-Hoon JUNG, Su Jeong KIM, Danbi YANG, Minju HAN, Jiphyo HONG, Hyosik KIM, Hoon KIM, Kichul SHIN
  • Publication number: 20130128168
    Abstract: A liquid crystal display including a first substrate, a second substrate, and liquid crystal molecules disposed between the first substrate and the second substrate. The first substrate includes a first base substrate and a common electrode disposed on the first base substrate. The second substrate includes a second base substrate facing the first base substrate and a first pixel electrode disposed on the second base substrate. The first pixel electrode includes a first area and a second area which form different electric fields in cooperation with the common electrode. Accordingly, the liquid crystal display enhances an aperture ratio and increases a side viewing angle.
    Type: Application
    Filed: May 30, 2012
    Publication date: May 23, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hoon KIM, Kaeun KIM, Su Jeong KIM, Kichul SHIN, Hokil OH, Jae-Hoon JUNG, Minju HAN