Patents by Inventor Beohm-Rock Choi

Beohm-Rock Choi 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: 20220131114
    Abstract: A display device includes a substrate, a first insulating layer on the substrate and including a flat upper surface, a first conductive layer on the substrate, the first conductive layer including first to third light blocking patterns separated from one another, a second insulating layer on the first conductive layer, and pixel electrodes on the second insulating layer. The pixel electrodes includes a first pixel electrode in a first color pixel and in the first light blocking pattern in a first direction in a plan view, and a second pixel electrode in a second color pixel and covering the second and third light blocking patterns in the first direction, the second insulating layer includes first and second areas respectively overlapping the first and second pixel electrodes, and each of the upper surfaces of the first and second areas includes a curved surface with a concave central portion.
    Type: Application
    Filed: October 21, 2021
    Publication date: April 28, 2022
    Inventors: Min Yeul RYU, Dong Ki LEE, Jun Hee LEE, Choong Youl IM, Beohm Rock CHOI, Nak Cho CHOI
  • Publication number: 20220077269
    Abstract: A display device includes a substrate, a transistor, an interlayer insulating layer, a first conductive line, a pixel electrode, a passivation layer, a common electrode, and a light emitting element layer. The transistor overlaps the substrate. The interlayer insulating layer overlaps the transistor and includes a first groove. The first conductive line is electrically connected to the transistor and is at least partially disposed inside the first groove. The pixel electrode is electrically connected to the transistor and overlaps the first conductive line. The passivation layer is disposed between the pixel electrode and the first conductive line and directly contacts at least one of the pixel electrode and the first conductive line. The common electrode overlaps the pixel electrode. The light emitting element layer is disposed between the common electrode and the pixel electrode.
    Type: Application
    Filed: January 21, 2021
    Publication date: March 10, 2022
    Inventors: Jun Hee LEE, Nak Cho CHOI, Min Yeul RYU, Dong Ki LEE, Choong Youl IM, Beohm Rock CHOI
  • Publication number: 20210359012
    Abstract: A display device according to an embodiment includes a display unit including first emissive regions displaying a first color, second emissive regions displaying a second color, and third emissive regions displaying a third color; and an anti-reflection unit overlapping the display unit and including first color filters overlapping the first emissive regions, second color filters overlapping the second emissive regions, and third color filters overlapping the third emissive regions, wherein in a plan view, a ratio of an area of the first emissive regions, an area of the second emissive regions, and an area of the third emissive regions and a ratio of an area of the first color filters, an area of the second color filters, and an area of the third color filters are different.
    Type: Application
    Filed: March 25, 2021
    Publication date: November 18, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Choong Youl IM, Ha Seok JEON, Beohm Rock CHOI
  • Publication number: 20210264823
    Abstract: A display device including a substrate; a first electrode on the substrate; a partitioning wall on the first electrode that includes a first opening that overlaps the first electrode; a touch detection electrode on the partitioning wall; a low refractive layer on the partitioning wall and the touch detection electrode, the low refractive layer including a second opening that overlaps the first opening; and a high refractive layer on the low refractive layer. Planar shapes of the first opening and the second opening are polygons, each including a series of sides, and a distance between one side of the first opening and the second opening is different than another side of the first opening and the second opening in a plan view.
    Type: Application
    Filed: September 8, 2020
    Publication date: August 26, 2021
    Inventors: Kang Wook HEO, Beohm Rock CHOI, Hae Young YUN, Jung-Hyun CHO, Won Hak CHOI
  • Publication number: 20210242283
    Abstract: A display device includes a base substrate having a main area, a sub-area, and a bending area. The main area includes pixels that each include a thin film transistor having a semiconductor layer, a gate electrode, a source electrode and a drain electrode. The display device includes a first insulating layer, a first conductive layer and a second insulating layer. The bending area includes a bending organic layer in a bending open portion. A second conductive layer is disposed on the second insulating layer and includes a source connection electrode. An encapsulation layer covers a light emitting element disposed on the second conductive layer for each of the pixels. A touch layer and a color filter layer are disposed on the encapsulation layer. The color filter layer includes a plurality of first color patterns overlapping the source connection electrode in the bending area that are separated from each other.
    Type: Application
    Filed: September 29, 2020
    Publication date: August 5, 2021
    Inventors: Hyeon Bum LEE, Beohm Rock CHOI, Jun Hyuk WOO
  • Publication number: 20210217782
    Abstract: A display device includes gate lines disposed on a substrate in a first direction, data lines disposed on the substrate in a second direction crossing the first direction, the data lines being insulated from the gate lines, a first insulating film disposed between the data lines, a second insulating film disposed on the data lines and the first insulating film, and a first electrode disposed on the second insulating film. The first insulating film does not overlap the data lines in a direction perpendicular to the substrate.
    Type: Application
    Filed: September 28, 2020
    Publication date: July 15, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Seong-Min KIM, Won Mo PARK, Jin Koo CHUNG, Kyung Soo JANG, Min Hyun JIN, Beohm Rock CHOI
  • Publication number: 20210157189
    Abstract: A display device including a display panel having a first side including a display area configured to emit light and a second side opposite to the first side, an auxiliary layer disposed on the second side of the display area and including an opening, a sensor overlapping the opening and having a first surface facing the display panel, a first adhesive layer disposed between the first surface of the sensor and the display panel, and a second adhesive layer disposed between a side surface of the sensor and the auxiliary layer, in which the second adhesive layer and the first adhesive layer contact each other.
    Type: Application
    Filed: February 3, 2021
    Publication date: May 27, 2021
    Inventors: Seong Min WANG, Beohm Rock CHOI, Yong Ho YANG
  • Patent number: 10942385
    Abstract: A display device includes a display panel having a first side including a display area configured to emit light and a second side opposite the first side, an auxiliary layer disposed on the second side of the display area and including an opening, a sensor overlapping the opening, and an adhesive layer connected between the sensor and the auxiliary layer.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: March 9, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong Min Wang, Beohm Rock Choi, Yong Ho Yang
  • Publication number: 20210066648
    Abstract: According to one embodiment, a display device includes a display panel having a first area and a second area, the first area including a first pixel area and a first surrounding area surrounding the first pixel area, and the second area including a second pixel area, a transmission area, and a second surrounding area surrounding the second pixel area and the transmission area, an encapsulation structure on the display panel and including at least one inorganic layer and at least one organic layer, a color filter on the encapsulation structure and overlapping the first pixel area and the second pixel area, a black matrix on the encapsulation structure and overlapping the first surrounding area and the second surrounding area, and a functional module on a rear surface of the display panel and overlapping the second area.
    Type: Application
    Filed: May 12, 2020
    Publication date: March 4, 2021
    Inventors: Jin Koo CHUNG, Beohm Rock CHOI
  • Publication number: 20210066667
    Abstract: A display device includes: a pixel defining layer on a pixel electrode, and having a pixel opening exposing a portion of the pixel electrode; an emission layer on the pixel electrode at the pixel opening; an opposite electrode on the emission layer; a first refractive layer on the opposite electrode, and having a first refractive index, and a refractive opening that overlaps with the pixel opening; and a second refractive layer on the first refractive layer, and having a second refractive index greater than the first refractive index. A minimum gap between the pixel opening and the refractive opening in a plan view is greater than or equal to ?1 ?m and less than or equal to 2.5 ?m, and a width of the refractive opening is less than a width of the pixel opening when the minimum gap is negative, and greater when the minimum gap is positive.
    Type: Application
    Filed: May 13, 2020
    Publication date: March 4, 2021
    Inventors: Haeyoung YUN, Soon Il JUNG, Jung-Hyun CHO, Sang-Hyun CHOI, Beohm-Rock CHOI
  • Publication number: 20210057494
    Abstract: A display device includes: a first display area including a first pixel area; a second display area including a second pixel area and a transmissive area adjacent to the second pixel area; a first pixel in the first pixel area; a second pixel in the second pixel area; and a dummy pixel in the transmissive area, wherein the dummy pixel includes a light emission portion emitting light on both sides.
    Type: Application
    Filed: May 29, 2020
    Publication date: February 25, 2021
    Inventors: Jin Koo CHUNG, Seong-Min KIM, Beohm Rock CHOI, Young Seo PARK, Gi-Na YOO
  • Patent number: 10847583
    Abstract: An organic light emitting device including a blue subpixel that is larger than a red subpixel and a green subpixel. The red subpixel and the green subpixel have the same layered structure such that the red subpixel and the green subpixel are formed by using the same shadow mask.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: November 24, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Un-Cheol Sung, Beohm-Rock Choi
  • Publication number: 20200357871
    Abstract: A display device includes a display panel and an optical member. The display panel includes a lower substrate and an upper substrate. The display panel forms a light-transmitting area and a display area near the light-transmitting area. The optical member is adjacent to a rear surface of the display panel and overlaps with a portion corresponding to the light-transmitting area. The display area includes a thin film transistor and an organic light emitting element configured to receive a current from the thin film transistor. The light-transmitting area does not include a metal layer, which is disposed in the display area. The upper substrate and the lower substrate do not have a through-hole structure in the light-transmitting area.
    Type: Application
    Filed: May 24, 2019
    Publication date: November 12, 2020
    Inventors: Jin Koo CHUNG, Beohm Rock CHOI
  • Publication number: 20190302504
    Abstract: A display device includes a display panel having a first side including a display area configured to emit light and a second side opposite the first side, an auxiliary layer disposed on the second side of the display area and including an opening, a sensor overlapping the opening, and an adhesive layer connected between the sensor and the auxiliary layer.
    Type: Application
    Filed: November 29, 2018
    Publication date: October 3, 2019
    Inventors: Seong Min WANG, Beohm Rock CHOI, Yong Ho YANG
  • Patent number: 10191711
    Abstract: A multi-display apparatus may include a first display panel and a second display panel at least partially overlapping the first display panel. The first display panel may include a first display region in which a plurality of first pixels are disposed, and a first non-display region adjacent to the first display region. The second display panel may include a second display region in which a plurality of second pixels are disposed. The first non-display region may overlap the second display region, and first transmitting windows may be disposed in the first non-display region over the second pixels.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: January 29, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Beohm-Rock Choi, Jae-Beom Choi
  • Patent number: 9911941
    Abstract: An organic light emitting display device may include a first auxiliary electrode, a first first-group first-color corresponding electrode, a second first-group first-color corresponding electrode, and a first group electrode. The second first-group first-color corresponding electrode is larger than the first first-group first-color corresponding electrode. The first group electrode overlaps both the first first-group first-color corresponding electrode and the second first-group first-color corresponding electrode. A first portion of the first group electrode directly contacts the first auxiliary electrode and is positioned closer to the first first-group first-color corresponding electrode than to the second first-group first-color corresponding electrode.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: March 6, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Beohm-Rock Choi, Ki-Hoon Ha
  • Patent number: 9741973
    Abstract: A display device and a method for manufacturing the same, the display device including a substrate that includes a first area and a second area; a first pixel electrode on the first area of the substrate; a first organic layer on the first pixel electrode, the organic layer including a first light emitting layer; a first counter electrode on the first organic layer; an auxiliary layer on the first counter electrode at the first area of the substrate; a second pixel electrode on the second area of the substrate; a second organic layer on the second pixel electrode, the second organic layer including a second light emitting layer; a second counter electrode on the second organic layer; and an upper reflective layer on the second counter electrode at the second area of the substrate.
    Type: Grant
    Filed: April 27, 2015
    Date of Patent: August 22, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Rok Song, Seon Ju Kim, Beohm Rock Choi
  • Publication number: 20170177289
    Abstract: A multi-display apparatus may include a first display panel and a second display panel at least partially overlapping the first display panel. The first display panel may include a first display region in which a plurality of first pixels are disposed, and a first non-display region adjacent to the first display region. The second display panel may include a second display region in which a plurality of second pixels are disposed. The first non-display region may overlap the second display region, and first transmitting windows may be disposed in the first non-display region over the second pixels.
    Type: Application
    Filed: December 20, 2016
    Publication date: June 22, 2017
    Inventors: Beohm-Rock CHOI, Jae-Beom CHOI
  • Publication number: 20160322595
    Abstract: An organic light emitting display device may include a first auxiliary electrode, a first first-group first-color corresponding electrode, a second first-group first-color corresponding electrode, and a first group electrode. The second first-group first-color corresponding electrode is larger than the first first-group first-color corresponding electrode. The first group electrode overlaps both the first first-group first-color corresponding electrode and the second first-group first-color corresponding electrode. A first portion of the first group electrode directly contacts the first auxiliary electrode and is positioned closer to the first first-group first-color corresponding electrode than to the second first-group first-color corresponding electrode.
    Type: Application
    Filed: April 26, 2016
    Publication date: November 3, 2016
    Inventors: Beohm-Rock CHOI, Ki-Hoon HA
  • Publication number: 20160233282
    Abstract: A display device and a method for manufacturing the same, the display device including a substrate that includes a first area and a second area; a first pixel electrode on the first area of the substrate; a first organic layer on the first pixel electrode, the organic layer including a first light emitting layer; a first counter electrode on the first organic layer; an auxiliary layer on the first counter electrode at the first area of the substrate; a second pixel electrode on the second area of the substrate; a second organic layer on the second pixel electrode, the second organic layer including a second light emitting layer; a second counter electrode on the second organic layer; and an upper reflective layer on the second counter electrode at the second area of the substrate.
    Type: Application
    Filed: April 27, 2015
    Publication date: August 11, 2016
    Inventors: Young Rok SONG, Seon Ju KIM, Beohm Rock CHOI