Patents by Inventor Hee-Seong Jeong

Hee-Seong Jeong 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: 20200411620
    Abstract: A display device includes: a substrate including a curved portion and a flat portion; an insulating layer disposed on the substrate; a first organic light emitting diode disposed on the insulating layer and having a first projection; and a second organic light emitting diode having a second projection, wherein a light emission portion is disposed in the curved portion and the flat portion, the first projection overlaps the Eight emission portion disposed in the curved portion and is asymmetric in the light emission portion, and the second projection overlaps the light emission portion in the flat portion and is symmetric in the light emission portion.
    Type: Application
    Filed: July 6, 2020
    Publication date: December 31, 2020
    Inventors: WON JU KWON, HEE SEONG JEONG
  • Patent number: 10790337
    Abstract: An OLED display including first, second, and third color pixels each including a first electrode, an organic emission layer, a second electrode, and a capping layer disposed on the disposed on the substrate, in which the first color pixel is configured to emit green light, and the second and third color pixels are each configured to emit a color of light other than green, the organic emission layer of the first color pixel includes a first emission layer and a second emission layer each being configured to emit light, the organic emission layer of the second color pixel or in the third color pixel includes a third emission layer configured to emit light, the second emission layer and the third emission layer include both a host and a dopant, and the first emission layer includes the host, and does not include any dopants therein.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: September 29, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee Seong Jeong, Won Ju Kwon, Dal Ho Kim, Gi-Na Yoo, Dong Jin Lee
  • Publication number: 20200243639
    Abstract: A light emitting display device includes: a substrate; a semiconductor layer disposed on the substrate; a first insulating layer disposed on the semiconductor layer; a first gate conductor disposed on the first insulating layer; a second insulating layer disposed on the first gate conductor; a second gate conductor disposed on the second insulating layer; an interlayer insulating layer disposed on the second gate conductor; a data conductor disposed on the interlayer insulating layer; a passivation layer disposed on the data conductor; a diode first electrode disposed on the passivation layer; a partition wall disposed on the diode first electrode and including an opening overlapping the diode first electrode; a light emitting layer; and a diode second electrode. The data conductor includes a first inclined surface and a second inclined surface, and an area of the first inclined surface is different from an area of the second inclined surface.
    Type: Application
    Filed: October 29, 2019
    Publication date: July 30, 2020
    Inventors: SANG MIN HONG, Hee Seong JEONG
  • Patent number: 10707285
    Abstract: A display device includes: a substrate including a curved portion and a flat portion; an insulating layer disposed on the substrate; a first organic light emitting diode disposed on the insulating layer and having a first projection; and a second organic light emitting diode having a second projection, wherein a light emission portion is disposed in the curved portion and the flat portion, the first projection overlaps the light emission portion disposed in the curved portion and is asymmetric in the light emission portion, and the second projection overlaps the light emission portion in the flat portion and is symmetric in the light emission portion.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: July 7, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won Ju Kwon, Hee Seong Jeong
  • Patent number: 10680209
    Abstract: An organic light emitting diode (OLED) display includes a substrate where OLEDs are formed and an encapsulation member fixed onto the substrate while covering the OLEDs. The encapsulation member includes a photochromic material so that the encapsulation member is colored by external light.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: June 9, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soon-Ryong Park, Woo-Suk Jung, Hee-Chul Jeon, Eun-Ah Kim, Hee-Seong Jeong, Noh-Min Kwak, Chul-Woo Jeong, Joo-Hwa Lee
  • Publication number: 20190198578
    Abstract: An OLED display including first, second, and third color pixels each including a first electrode, an organic emission layer, a second electrode, and a capping layer disposed on the disposed on the substrate, in which the first color pixel is configured to emit green light, and the second and third color pixels are each configured to emit a color of light other than green, the organic emission layer of the first color pixel includes a first emission layer and a second emission layer each being configured to emit light, the organic emission layer of the second color pixel or in the third color pixel includes a third emission layer configured to emit light, the second emission layer and the third emission layer include both a host and a dopant, and the first emission layer includes the host, and does not include any dopants therein.
    Type: Application
    Filed: February 27, 2019
    Publication date: June 27, 2019
    Inventors: Hee Seong JEONG, Won Ju KWON, Dal Ho KIM, Gi-Na YOO, Dong Jin LEE
  • Publication number: 20180076270
    Abstract: A display device includes: a substrate including a curved portion and a flat portion; an insulating layer disposed on the substrate; a first organic light emitting diode disposed on the insulating layer and having a first projection; and a second organic light emitting diode having a second projection, wherein a light emission portion is disposed in the curved portion and the flat portion, the first projection overlaps the light emission portion disposed in the curved portion and is asymmetric in the light emission portion, and the second projection overlaps the light emission portion in the flat portion and is symmetric in the light emission portion.
    Type: Application
    Filed: August 14, 2017
    Publication date: March 15, 2018
    Inventors: WON JU KWON, HEE SEONG JEONG
  • Patent number: 9768235
    Abstract: An organic light emitting display device includes a substrate, a first pixel configured emit light having a first color, and a second pixel configured to emit light having a second color different from the first color. Each of the first and second pixels comprises a first electrode formed over the substrate, a light emission layer formed over the first electrode, an electron transport layer formed over the light emission layer, and a second electrode formed over the electron transport layer. The electron transport layer comprises a first electron transport material and a second electron transport material different from the first electron transport material. A ratio by weight of the first electron transport material to the second electron transport material in the first pixel is substantially different from that of the first electron transport material to the second electron transport material in the second pixel.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: September 19, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hee-Seong Jeong
  • Publication number: 20170207423
    Abstract: An organic light emitting diode (OLED) display includes a substrate where OLEDs are formed and an encapsulation member fixed onto the substrate while covering the OLEDs. The encapsulation member includes a photochromic material so that the encapsulation member is colored by external light.
    Type: Application
    Filed: March 29, 2017
    Publication date: July 20, 2017
    Inventors: Soon-Ryong Park, Woo-Suk Jung, Hee-Chul Jeon, Eun-Ah Kim, Hee-Seong Jeong, Noh-Min Kwak, Chul-Woo Jeong, Joo-Hwa Lee
  • Publication number: 20170098686
    Abstract: An organic light emitting diode (OLED) display includes a substrate, a first electrode disposed on the substrate, an organic emission layer disposed on the first electrode, a second electrode disposed on the organic emission layer, and a capping layer disposed on the second electrode, in which an optical thickness of the capping layer is in a range of about 1100 ? to about 1400 ?.
    Type: Application
    Filed: April 13, 2016
    Publication date: April 6, 2017
    Inventors: Hee Seong JEONG, Won Ju KWON, Dal Ho KIM, Gi-Na YOO, Dong Jin LEE
  • Patent number: 9174250
    Abstract: A method of cleaning off organic deposition material accumulated on a mask includes forming an organic deposition material pattern on a substrate using the mask, which includes a plurality of slots, in a deposition chamber including a deposition source; transporting the mask to a stock chamber that is maintained at a vacuum and adjacent to the deposition chamber; and partially cleaning off the organic deposition material accumulated along the boundaries of the slots of the mask in the stock chamber. A system to clean off an organic deposition material accumulated on a mask having a plurality of slots, includes a deposition chamber including a deposition source; and a stock chamber that is maintained at substantially the same vacuum as the deposition chamber and includes a cleaning device that cleans off the organic deposition material accumulated on the mask.
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: November 3, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung-Min Lee, Choong-Ho Lee, Yoon-Chan Oh, Hee-Seong Jeong
  • Publication number: 20150236075
    Abstract: An organic light emitting display device includes a substrate, a first pixel configured emit light having a first color, and a second pixel configured to emit light having a second color different from the first color. Each of the first and second pixels comprises a first electrode formed over the substrate, a light emission layer formed over the first electrode, an electron transport layer formed over the light emission layer, and a second electrode formed over the electron transport layer. The electron transport layer comprises a first electron transport material and a second electron transport material different from the first electron transport material. A ratio by weight of the first electron transport material to the second electron transport material in the first pixel is substantially different from that of the first electron transport material to the second electron transport material in the second pixel.
    Type: Application
    Filed: September 16, 2014
    Publication date: August 20, 2015
    Inventor: Hee-Seong Jeong
  • Patent number: 9112179
    Abstract: An organic light emitting diode includes a display substrate assembly including an organic light emitting element; an encapsulation substrate assembly disposed on the display substrate assembly with a space therebetween and sealed with the display substrate assembly in a vacuum-tight manner; and a filling agent filling the space between the display substrate assembly and the encapsulation substrate assembly. The filling agent is adapted to selectively absorb external light entering through the encapsulation substrate assembly and incident on the organic light emitting element as a function of wavelength in a wavelength band of the external light to control transmittance.
    Type: Grant
    Filed: May 24, 2010
    Date of Patent: August 18, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soon-Ryong Park, Hee-Seong Jeong, Woo-Suk Jung
  • Patent number: 9093662
    Abstract: A sealing inspection device for detecting a bonding error at a sealing region of an upper and a lower plate in a flat panel display apparatus in which the upper and lower plates are bonded to each other by a sealing member, the sealing inspection device includes a light source configured to emit light, a polarizer configured to polarize the light emitted from the light source, the polarized light being incident on and reflected from the sealing region of the flat panel display, an optical spectrum analyzer configured to analyze the light reflected from the sealing region with respect to wavelength ranges and to determine whether a bonding error exits at the sealing region, and a beam splitter configured to change a path of the reflected light toward the optical spectrum analyzer.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: July 28, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Soon-Ryong Park, Woo-Suk Jung, Hee-Seong Jeong, Tae-Kyu Kim, Sun-Hwa Kim
  • Patent number: 8998446
    Abstract: An optical film and an organic light emitting display apparatus including the optical film are disclosed. In one embodiment, the optical film is formed on a substrate of the organic light emitting display, and the substrate is configured to transmit light, emitted from an organic light emission unit of the display, toward the optical film. Further, the optical film is configured to absorb ambient light via a first portion, and the optical film is further configured to at least partially transmit light emitted from the organic light emission unit to the environment via a second portion.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: April 7, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chul-Woo Jeong, Soon-Ryong Park, Hee-Seong Jeong, Woo-Suk Jung, Tae-Kyu Kim, Il-Ryong Cho, Duk-Jin Lee, Sung-Soo Koh
  • Patent number: 8981349
    Abstract: An organic light emitting diode display device constructed with an organic light emitting element including a first electrode, an organic emission layer, and a second electrode sequentially laminated together, a transmittance control layer formed on the organic light emitting element, a selective reflective layer formed on the transmittance control layer, a polarizing plate formed on the selective reflective layer, and a phase retardation plate disposed between the organic light emitting element and the polarizing plate.
    Type: Grant
    Filed: December 18, 2009
    Date of Patent: March 17, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soon-Ryong Park, Hee-Seong Jeong, Woo-Suk Jung, Jae-Yong Kim, Joo-Hwa Lee, Chul-Woo Jeong, Hee-Chul Jeon, Eun-Ah Kim, Noh-Min Kwak
  • Patent number: 8970108
    Abstract: An organic light emitting display apparatus effectively improves viewing angle characteristics. The organic light emitting display apparatus includes a plurality of sub-pixels configured to emit light of different colors, respectively; a thin film encapsulation layer for sealing the plurality of sub-pixels; and a light scattering layer disposed over the thin film encapsulation layer to scatter light output from the plurality of sub-pixels.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: March 3, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soon-Ryong Park, Woo-Suk Jung, Hee-Seong Jeong
  • Patent number: 8957437
    Abstract: An OLED display including: a substrate main body; a first transflective electrode formed on the substrate main body; an organic emission layer formed on the first transflective electrode; a second transflective electrode formed on the organic emission layer; and a dual brightness enhancement film (DBEF) disposed on a dual brightness enhancement film (DBEF) on at least one of a side of the first transflective electrode facing away from the organic emission layer, or a side of the second transflective electrode facing away from the organic emission layer.
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: February 17, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Soo Koh, Hee-Seong Jeong, Chul-Woo Jeong, Soon-Ryong Park, Woo-Suk Jung, Il-Ryong Cho, Tae-Kyu Kim, Jae-Yong Kim
  • Patent number: 8922600
    Abstract: A display panel test apparatus that may include: a first measurer measuring first R, G, and B components of light emitted from a display panel at a first viewing angle; a second measurer measuring second R, G, and B components of light emitted from the display panel at a second viewing angle; a color coordinate calculator calculating a first xy color coordinate at the first viewing angle using the first R, G, and B components and calculating a second xy color coordinate at the second viewing angle using the second R, G, and B components; and a panel controller compensating a target color coordinate of the display panel to include the first xy color coordinate and the second xy color coordinate into a specification area on a color coordinate system.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: December 30, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang-Yun Moon, Hee-Seong Jeong, Won-Ju Shin
  • Patent number: 8896900
    Abstract: An organic light-emitting display device including: a first substrate; a second substrate disposed to face the first substrate; a display unit interposed between the first substrate and the second substrate and comprising an organic light-emitting device; a sealing member disposed to surround the display unit between the first substrate and the second substrate and that bonds the first substrate to the second substrate; and a filler disposed in the sealing member to cover the display unit and comprising photochromic materials, wherein the photochromic materials comprise a first photochromic material that absorbs light in a wavelength of about 470 nm to about 490 nm and a second photochromic material that absorbs light in a wavelength of about 550 nm to about 580 nm.
    Type: Grant
    Filed: February 7, 2012
    Date of Patent: November 25, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soon-Ryong Park, Dae-Yup Shin, Hee-Seong Jeong, Sun-Hwa Kim