Patents by Inventor Sun Kyu Joo

Sun Kyu Joo 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: 20200152919
    Abstract: A display panel includes a first display substrate including first to third pixel areas and a light blocking area that is adjacent to the first to third pixel areas and a second display substrate including first to third display elements respectively overlapping the first to third pixel areas. The first display substrate includes a base substrate, a first color filter overlapping the first pixel area and having a first color, a second color filter overlapping the second pixel area and having a second color different from the first color, a third color filter disposed on the base substrate, having a third color different from the first and second colors, and including a filter portion overlapping the third pixel area and a light blocking portion overlapping the light blocking area, and a light blocking member disposed on the light blocking portion and containing a black organic pigment.
    Type: Application
    Filed: September 10, 2019
    Publication date: May 14, 2020
    Inventors: Sun-kyu JOO, Keunchan OH, Byungchul KIM, Inok KIM, Gakseok LEE, Jaemin SEONG, Inseok SONG, Jieun JANG
  • Patent number: 10649282
    Abstract: A display device includes a plurality of color filters that is disposed on a first base substrate and in pixel regions arranged in a matrix shape, a plurality of driving electrodes that is disposed on the color filters, a plurality of transistors that is provided on the first base substrate and in a non-pixel region between adjacent pixel regions in a second direction and is connected to the driving electrodes, a plurality of blocking column spacers that is provided below a second base substrate and in the non-pixel region between the adjacent pixel regions in the second direction and extending in a first direction, and a plurality of dummy color filters that is provided in a single-layered structure on the transistors. The dummy color filters that has a less number than that of the transistors support the blocking column spacers.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: May 12, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Keunchan Oh, Sun-kyu Joo, Donghan Song
  • Publication number: 20200111848
    Abstract: A display device includes: a first base layer; a circuit element layer on the first base layer; a pixel definition layer on the circuit element layer and comprising a plurality of light-emitting openings which are spaced apart from each other and define a plurality of light-emitting regions; a second base layer spaced apart from and facing the first base layer; a light-shielding layer on the second base layer and comprising a plurality of openings respectively overlapping the light-emitting regions, wherein on a plane of the first base layer, shapes of first to third openings along one direction among the openings are different from each other.
    Type: Application
    Filed: August 5, 2019
    Publication date: April 9, 2020
    Inventors: Sun-Kyu JOO, Keunchan Oh, Byung-Chul Kim, Inok Kim, Gak Seok Lee, Jieun Jang, Inseok Song, Chang-Soon Jang
  • Patent number: 10578923
    Abstract: A liquid crystal display device includes first substrate including a display area in which a plurality of pixels are disposed and a non-display area which surrounds the display area, and a light-shielding member disposed on the first substrate, the light-shielding member disposed on boundaries between the plurality of pixels and on the entire non-display area and defining an alignment layer dam pattern, which is in the shape of a recess, in the non-display area, where the alignment layer dam pattern surrounds the display area and has step-type height differences on a side of the display area.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: March 3, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Min Kim, Jin Won Kim, Sung Jae Yun, Taek Joon Lee, Sun Kyu Joo
  • Patent number: 10509283
    Abstract: Provided is a display device. The display device includes a first substrate and a second substrate including a display area and a non-display area surrounding the display area. The first substrate and the second substrate face and are attached to each other. A first polarizer is disposed on the display area of the first substrate. A second polarizer is entirely disposed on the display area and the non-display area of the second substrate and has a non-overlapping region which does not overlap the first polarizer in the non-display area. A light leakage prevention pattern is disposed between the first substrate and the second substrate in the non-overlapping region of the first polarizer and the second polarizer and includes a color filter pattern and a light blocking pattern which overlap each other.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: December 17, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Woo Lee, Keun Chan Oh, Woo Suk Jung, Yi Seop Shim, Sun Kyu Joo
  • Publication number: 20190348470
    Abstract: An organic light emitting diode display includes: a display panel; and a color conversion panel positioned on the display panel. The color conversion panel includes: a substrate; a color filter layer disposed under the substrate; a first light blocking layer disposed under the color filter layer; and a first color conversion layer, a second color conversion layer, and a third color conversion layer positioned under the first light blocking layer. The color filter layer includes a first color filter, a second color filter, and a third color filter, the first light blocking layer includes a first portion that overlaps the first color filter, a second portion that overlaps the second color filter, and a third portion that overlaps the third color filter, and the first portion, the second portion, and the third portion are connected.
    Type: Application
    Filed: January 4, 2019
    Publication date: November 14, 2019
    Inventors: IN SEOK SONG, Sun-Kyu Joo, Byung-Chul Kim, In Ok Kim, Gak Seok Lee, Chang-Soon Jang
  • Patent number: 10459277
    Abstract: A display device includes a base portion including a pixel area including a light-transmitting area and a light-blocking area; a projection portion disposed on the light-blocking area of the base portion and including a first sub-color filter and a second sub-color filter overlapping over an overlap area; a light-blocking member disposed on the projection portion and overlapping the base portion; and a spacing member disposed on the light-blocking member, made of the same material as the light-blocking member and overlapping the projection portion.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: October 29, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun Kyu Joo, Su Jeong Kim, Jang Wi Ryu, Yi Seop Shim, Keun Chan Oh, Jae Jin Lyu, Jun Woo Lee, Chang Soon Jang, Young Bong Cho, Chul Huh
  • Publication number: 20190326545
    Abstract: An organic light emitting display device includes: a first substrate; a plurality of pixels on the first substrate, each of the pixels including a corresponding portion of an organic light emitting layer on the first substrate; an encapsulation film on the organic light emitting layer; a protruding pattern layer on the encapsulation film and comprising a plurality of spacers at a boundary between adjacent ones of the pixels; an adhesive layer on the protruding pattern layer; and a second substrate on the adhesive layer.
    Type: Application
    Filed: February 14, 2019
    Publication date: October 24, 2019
    Inventors: Sun Kyu JOO, Byung Chul KIM, In Ok KIM, Keun Chan OH, Chang Soon JANG, In Seok SONG, Gak Seok LEE
  • Publication number: 20190280061
    Abstract: A display device includes a substrate, a thin film transistor on the substrate, an interlayer insulating layer on the thin film transistor, an electrode on the interlayer insulating layer, the electrode including an emission region, a contact region overlapping the thin film transistor, and a dummy region protruding from the emission region in a direction different from the contact region, and an emission layer on the electrode, the emission region of the electrode overlapping the emission layer.
    Type: Application
    Filed: December 11, 2018
    Publication date: September 12, 2019
    Inventors: Sun-Kyu JOO, In Seok SONG, Keun Chan OH, Byung-Chul KIM, In Ok KIM, Gak Seok LEE, Chang-Soon JANG
  • Publication number: 20190250440
    Abstract: A display device includes a first base substrate including a display area and a peripheral area around the display area; a voltage line disposed on the peripheral area of the first base substrate; a protrusion disposed on the voltage line and including a first pattern containing a first color material and a second pattern containing a second color material different from the first color material; a connection electrode disposed on the protrusion and connected with the voltage line; and a light-blocking pattern disposed on the connection electrode and provided with an opening for partially exposing the connection electrode, wherein the protrusion includes a multilayer portion where the first pattern and the second pattern overlap each other and a single-layer portion where the first pattern and the second pattern do not overlap each other, and a lateral surface of the light-blocking pattern, defining the opening, overlaps the single-layer portion.
    Type: Application
    Filed: April 22, 2019
    Publication date: August 15, 2019
    Inventors: Sun Kyu JOO, Keun Chan OH, Jun Woo LEE, Yun Ho LEE
  • Patent number: 10317742
    Abstract: A display device includes a first base substrate including a display area and a peripheral area around the display area; a voltage line disposed on the peripheral area of the first base substrate; a protrusion disposed on the voltage line and including a first pattern containing a first color material and a second pattern containing a second color material different from the first color material; a connection electrode disposed on the protrusion and connected with the voltage line; and a light-blocking pattern disposed on the connection electrode and provided with an opening for partially exposing the connection electrode, wherein the protrusion includes a multilayer portion where the first pattern and the second pattern overlap each other and a single-layer portion where the first pattern and the second pattern do not overlap each other, and a lateral surface of the light-blocking pattern, defining the opening, overlaps the single-layer portion.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: June 11, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun Kyu Joo, Keun Chan Oh, Jun Woo Lee, Yun Ho Lee
  • Publication number: 20190033671
    Abstract: Provided is a display device. The display device includes a first substrate and a second substrate including a display area and a non-display area surrounding the display area. The first substrate and the second substrate face and are attached to each other. A first polarizer is disposed on the display area of the first substrate. A second polarizer is entirely disposed on the display area and the non-display area of the second substrate and has a non-overlapping region which does not overlap the first polarizer in the non-display area. A light leakage prevention pattern is disposed between the first substrate and the second substrate in the non-overlapping region of the first polarizer and the second polarizer and includes a color filter pattern and a light blocking pattern which overlap each other.
    Type: Application
    Filed: January 10, 2018
    Publication date: January 31, 2019
    Inventors: Jun Woo LEE, Keun Chan OH, Woo Suk JUNG, Yi Seop SHIM, Sun Kyu JOO
  • Publication number: 20190027547
    Abstract: A display device including a substrate that includes a circuit layer; an insulating layer on the substrate; a pixel defining layer on the insulating layer, the pixel defining layer having an opening exposing a region of a top surface of the insulating layer; a light blocking layer covering a top surface and a side surface of the pixel defining layer; and an organic electroluminescent element in the opening, wherein the organic electroluminescent element includes a first electrode on the region of the top surface of the insulating layer exposed through the opening; at least one organic layer on the first electrode; and a second electrode on the at least one organic layer.
    Type: Application
    Filed: May 21, 2018
    Publication date: January 24, 2019
    Inventors: Byung-chul KIM, Sujeong KIM, Kiyoung YEON, Sun-kyu JOO, Chul HUH, Inok KIM, Hyeran MUN, Inseok SONG, Wooyoung LEE, Yui-ku LEE
  • Publication number: 20190013363
    Abstract: An organic light emitting display device comprising: a substrate; a first pixel electrode disposed on the substrate; a pixel defining film disposed on the first pixel electrode and having a first opening at least partially exposing the first pixel electrode; a first organic light emitting layer disposed on the pixel defining film and overlapping with the first opening of the pixel defining film; and a black matrix disposed on the first organic light emitting layer and having a first opening overlapping with the first organic light emitting layer. Light having passed through the first opening of the black matrix is one of red light, green light, and blue light. The first opening of the black matrix may have a shape with a curved portion.
    Type: Application
    Filed: February 16, 2018
    Publication date: January 10, 2019
    Inventors: Sun Kyu JOO, Byung Chul KIM, Sung Chul KIM, Su Jeong KIM, In Ok KIM, Hye Ran MUN, In Seok SONG, Keun Chan OH, Jae Jin LYU, Yui Ku LEE
  • Publication number: 20180356666
    Abstract: A display device includes a plurality of color filters that is disposed on a first base substrate and in pixel regions arranged in a matrix shape, a plurality of driving electrodes that is disposed on the color filters, a plurality of transistors that is provided on the first base substrate and in a non-pixel region between adjacent pixel regions in a second direction and is connected to the driving electrodes, a plurality of blocking column spacers that is provided below a second base substrate and in the non-pixel region between the adjacent pixel regions in the second direction and extending in a first direction, and a plurality of dummy color filters that is provided in a single-layered structure on the transistors. The dummy color filters that has a less number than that of the transistors support the blocking column spacers.
    Type: Application
    Filed: January 11, 2018
    Publication date: December 13, 2018
    Inventors: Keunchan OH, Sun-kyu JOO, Donghan SONG
  • Publication number: 20180356689
    Abstract: A liquid crystal display device includes first substrate including a display area in which a plurality of pixels are disposed and a non-display area which surrounds the display area, and a light-shielding member disposed on the first substrate, the light-shielding member disposed on boundaries between the plurality of pixels and on the entire non-display area and defining an alignment layer dam pattern, which is in the shape of a recess, in the non-display area, where the alignment layer dam pattern surrounds the display area and has step-type height differences on a side of the display area.
    Type: Application
    Filed: August 21, 2018
    Publication date: December 13, 2018
    Inventors: Tae Min KIM, Jin Won KIM, Sung Jae YUN, Taek Joon LEE, Sun Kyu JOO
  • Publication number: 20180292689
    Abstract: A display device includes a first base substrate including a display area and a peripheral area around the display area; a voltage line disposed on the peripheral area of the first base substrate; a protrusion disposed on the voltage line and including a first pattern containing a first color material and a second pattern containing a second color material different from the first color material; a connection electrode disposed on the protrusion and connected with the voltage line; and a light-blocking pattern disposed on the connection electrode and provided with an opening for partially exposing the connection electrode, wherein the protrusion includes a multilayer portion where the first pattern and the second pattern overlap each other and a single-layer portion where the first pattern and the second pattern do not overlap each other, and a lateral surface of the light-blocking pattern, defining the opening, overlaps the single-layer portion.
    Type: Application
    Filed: January 12, 2018
    Publication date: October 11, 2018
    Inventors: Sun Kyu JOO, Keun Chan OH, Jun Woo LEE, Yun Ho LEE
  • Patent number: 10088708
    Abstract: A liquid crystal display device includes first substrate including a display area in which a plurality of pixels are disposed and a non-display area which surrounds the display area, and a light-shielding member disposed on the first substrate, the light-shielding member disposed on boundaries between the plurality of pixels and on the entire non-display area and defining an alignment layer dam pattern, which is in the shape of a recess, in the non-display area, where the alignment layer dam pattern surrounds the display area and has step-type height differences on a side of the display area.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: October 2, 2018
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Tae Min Kim, Jin Won Kim, Sung Jae Yun, Taek Joon Lee, Sun Kyu Joo
  • Patent number: 10031375
    Abstract: A display device array substrate includes first and second light blocking regions, a first insulation layer disposed on the first light blocking region, a second insulation layer disposed on the second light blocking region, a light blocking member including a first part disposed on the first light blocking region and the first insulation layer, a second part disposed on the second light blocking region and the second insulation layer, and a third part disposed on a boundary between the first and second light blocking regions. A minimum height from an upper surface of the first insulation substrate to an upper surface of the third part is lower than a minimum height from the upper surface of the first insulation substrate to an upper surface of the first part and a minimum height from the upper surface of the first insulation substrate to an upper surface of the second part.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: July 24, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun Kyu Joo, Jang Wi Ryu, Chul Huh
  • Publication number: 20180088403
    Abstract: A display device includes a base portion including a pixel area including a light-transmitting area and a light-blocking area; a projection portion disposed on the light-blocking area of the base portion and including a first sub-color filter and a second sub-color filter overlapping over an overlap area; a light-blocking member disposed on the projection portion and overlapping the base portion; and a spacing member disposed on the light-blocking member, made of the same material as the light-blocking member and overlapping the projection portion.
    Type: Application
    Filed: June 30, 2017
    Publication date: March 29, 2018
    Inventors: Sun Kyu JOO, Su Jeong KIM, Jang Wi RYU, Yi Seop SHIM, Keun Chan OH, Jae Jin LYU, Jun Woo LEE, Chang Soon JANG, Young Bong CHO, Chul HUH