Patents by Inventor Hyun-Shik LEE

Hyun-Shik LEE 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: 20230389402
    Abstract: A display device includes a light emitting device disposed on a substrate, a capping layer disposed on the light emitting device, and an encapsulation layer disposed on the capping layer. The capping layer includes a first surface facing the encapsulation layer, the first surface of the capping layer includes a protrusion protruding toward the encapsulation layer, and a height of the protrusion is greater than or equal to about 600 angstroms in a cross-sectional view.
    Type: Application
    Filed: April 6, 2023
    Publication date: November 30, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: JONGWON LEE, SEUNG CHEOL KIM, Heung Su PARK, Chang-Min LEE, Hyun Shik LEE
  • Patent number: 11605677
    Abstract: A display device includes a first base member having a first light-emitting area, a second light-emitting area, and a non-light-emitting area between the first and second light-emitting areas; a second base member on the first base member; a first color filter on a first surface of the second base member that faces the first base member and overlapping with the first light-emitting area; a second color filter on the first surface of the second base member and overlapping with the second light-emitting area; a color pattern on the first surface of the second base member, between the first and second color filters, and overlapping with the non-light-emitting area; a light-shielding member on the color pattern and overlapping with the non-light-emitting area; and a first wavelength conversion pattern on the second color filter and including a first wavelength shifter.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: March 14, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Hee Lee, Hyun Shik Lee, Seung Wook Chang, Byoung Seong Jeong, Sang Woo Pyo, Jae Hoon Hwang, Ji Hwan Yoon
  • Publication number: 20230038628
    Abstract: A light emitting device includes: a first electrode; a second electrode overlapping the first electrode; m light emitting units between the first electrode and the second electrode; and m-1 charge generating layers between adjacent light emitting units, wherein the charge generating layer includes: an n-type charge generating layer and a p-type charge generating layer; at least one of a plurality of n-type charge generating layers includes a dopant including an alkali metal, and at least one of a plurality of n-type charge generating layers includes a dopant including a lanthanum metal; contents of the alkali metal and the lanthanum metal doped in the n-type charge generating layer are different from each other; and the m is a natural number of greater than or equal to 3.
    Type: Application
    Filed: June 6, 2022
    Publication date: February 9, 2023
    Inventors: Won Suk HAN, Nam Su KANG, Heung Su PARK, Hui Ju PARK, Song Eun LEE, Hyun Shik LEE, Jae Hoon HWANG
  • Patent number: 11056667
    Abstract: A display device includes: a first base substrate which comprises a plurality of pixels; a pixel electrode on the first base substrate in each of the pixels and comprises a reflective film; an organic layer on the pixel electrode; and a common electrode on the organic layer, wherein the pixel electrode has a reflectance of 80% or more for light in a first wavelength range of 420 nm to 470 nm.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: July 6, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Ho Choi, Nam Su Kang, Yi Seul Kim, Heung Su Park, Hyun Shik Lee, Heun Seung Lee, Jae Hoon Hwang
  • Publication number: 20210151510
    Abstract: A display device includes a first base member having a first light-emitting area, a second light-emitting area, and a non-light-emitting area between the first and second light-emitting areas; a second base member on the first base member; a first color filter on a first surface of the second base member that faces the first base member and overlapping with the first light-emitting area; a second color filter on the first surface of the second base member and overlapping with the second light-emitting area; a color pattern on the first surface of the second base member, between the first and second color filters, and overlapping with the non-light-emitting area; a light-shielding member on the color pattern and overlapping with the non-light-emitting area; and a first wavelength conversion pattern on the second color filter and including a first wavelength shifter.
    Type: Application
    Filed: January 25, 2021
    Publication date: May 20, 2021
    Inventors: Young Hee LEE, Hyun Shik LEE, Seung Wook CHANG, Byoung Seong JEONG, Sang Woo PYO, Jae Hoon HWANG, Ji Hwan YOON
  • Patent number: 10923538
    Abstract: A display device includes a first base member having a first light-emitting area, a second light-emitting area, and a non-light-emitting area between the first and second light-emitting areas; a second base member on the first base member; a first color filter on a first surface of the second base member that faces the first base member and overlapping with the first light-emitting area; a second color filter on the first surface of the second base member and overlapping with the second light-emitting area; a color pattern on the first surface of the second base member, between the first and second color filters, and overlapping with the non-light-emitting area; a light-shielding member on the color pattern and overlapping with the non-light-emitting area; and a first wavelength conversion pattern on the second color filter and including a first wavelength shifter.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: February 16, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Hee Lee, Hyun Shik Lee, Seung Wook Chang, Byoung Seong Jeong, Sang Woo Pyo, Jae Hoon Hwang, Ji Hwan Yoon
  • Publication number: 20200328256
    Abstract: A display device includes a first base member having a first light-emitting area, a second light-emitting area, and a non-light-emitting area between the first and second light-emitting areas; a second base member on the first base member; a first color filter on a first surface of the second base member that faces the first base member and overlapping with the first light-emitting area; a second color filter on the first surface of the second base member and overlapping with the second light-emitting area; a color pattern on the first surface of the second base member, between the first and second color filters, and overlapping with the non-light-emitting area; a light-shielding member on the color pattern and overlapping with the non-light-emitting area; and a first wavelength conversion pattern on the second color filter and including a first wavelength shifter.
    Type: Application
    Filed: January 13, 2020
    Publication date: October 15, 2020
    Inventors: Young Hee LEE, Hyun Shik LEE, Seung Wook CHANG, Byoung Seong JEONG, Sang Woo PYO, Jae Hoon HWANG, Ji Hwan YOON
  • Publication number: 20200185638
    Abstract: A display device includes: a first base substrate which comprises a plurality of pixels; a pixel electrode on the first base substrate in each of the pixels and comprises a reflective film; an organic layer on the pixel electrode; and a common electrode on the organic layer, wherein the pixel electrode has a reflectance of 80% or more for light in a first wavelength range of 420 nm to 470 nm.
    Type: Application
    Filed: November 26, 2019
    Publication date: June 11, 2020
    Inventors: Jung Ho CHOI, Nam Su KANG, Yi Seul KIM, Heung Su PARK, Hyun Shik LEE, Heun Seung LEE, Jae Hoon HWANG
  • Patent number: 10593732
    Abstract: A light-emitting diode according to an exemplary embodiment includes: a first electrode; a second electrode overlapping the first electrode; an emission layer positioned between the first electrode and the second electrode; and a first capping layer positioned on the first electrode, wherein the first capping layer includes at least one among LiF, MgF2, AlF3, NaF, and AlOx, and a thickness of the first capping layer is 30 nm to 40 nm.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: March 17, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chul Hyun Choi, Hyun Shik Lee, Hyuk Sang Jun
  • Patent number: 10461133
    Abstract: A light emitting display device includes: a first electrode positioned on a substrate; a second electrode overlapping the first electrode; a red emission layer, a green emission layer, a blue emission layer, and an infrared ray emission layer emitting light of different wavelengths and positioned between the first electrode and the second electrode; a green resonance auxiliary layer positioned between the green emission layer and the first electrode; and a blocking layer positioned between the green resonance auxiliary layer and the green emission layer, wherein the infrared ray emission layer and the green resonance auxiliary layer include the same material, and LUMO energy of the blocking layer is larger than LUMO energy of a green light emitting dopant included in the green emission layer.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: October 29, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Heun Seung Lee, Hyo Yeon Kim, Hyun Shik Lee, Jae Hoon Hwang
  • Publication number: 20190096959
    Abstract: A light emitting display device includes: a first electrode positioned on a substrate; a second electrode overlapping the first electrode; a red emission layer, a green emission layer, a blue emission layer, and an infrared ray emission layer emitting light of different wavelengths and positioned between the first electrode and the second electrode; a green resonance auxiliary layer positioned between the green emission layer and the first electrode; and a blocking layer positioned between the green resonance auxiliary layer and the green emission layer, wherein the infrared ray emission layer and the green resonance auxiliary layer include the same material, and LUMO energy of the blocking layer is larger than LUMO energy of a green light emitting dopant included in the green emission layer.
    Type: Application
    Filed: March 13, 2018
    Publication date: March 28, 2019
    Inventors: Heun Seung LEE, Hyo Yeon KIM, Hyun Shik LEE, Jae Hoon HWANG
  • Publication number: 20190043929
    Abstract: A light-emitting diode according to an exemplary embodiment includes: a first electrode; a second electrode overlapping the first electrode; an emission layer positioned between the first electrode and the second electrode; and a first capping layer positioned on the first electrode, wherein the first capping layer includes at least one among LiF, MgF2, AlF3, NaF, and AlOx, and a thickness of the first capping layer is 30 nm to 40 nm.
    Type: Application
    Filed: March 28, 2018
    Publication date: February 7, 2019
    Inventors: Chul Hyun CHOI, Hyun Shik LEE, Hyuk Sang JUN
  • Patent number: 9437844
    Abstract: A display device includes a substrate, a first electrode on the substrate, a pixel defining layer on the substrate, the pixel defining layer having an opening exposing the first electrode, a metal layer on the pixel defining layer, a light emission layer on the first electrode exposed by the opening, and a second electrode on the light emission layer in the opening. The metal layer contacts the second electrode.
    Type: Grant
    Filed: October 3, 2014
    Date of Patent: September 6, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seong-Min Lee, Sun-Hwa Kim, Hyun-Shik Lee, Hyo-min Kim, Hyuk-Sang Jun, Ju-kyung Jo
  • Patent number: 9306189
    Abstract: An organic light emitting display device, including: a substrate; a display unit formed on the substrate; and an encapsulation layer formed on the display unit, in which the encapsulation layer includes a lower layer formed on the display unit, at least one pattern layer formed on the lower layer, and an upper layer formed on the pattern layer, and the lower layer includes at least one of an inorganic film and an organic film, and the pattern layer includes an uneven pattern having a plurality of protrusions which are spaced apart from each other, formed on the lower layer, and a filling layer disposed on the uneven pattern, and the upper layer includes at least one of an inorganic film and an organic film.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: April 5, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun-Shik Lee, Kyu-Seok Kim
  • Publication number: 20150243704
    Abstract: A display device includes a substrate, a first electrode on the substrate, a pixel defining layer on the substrate, the pixel defining layer having an opening exposing the first electrode, a metal layer on the pixel defining layer, a light emission layer on the first electrode exposed by the opening, and a second electrode on the light emission layer in the opening. The metal layer contacts the second electrode.
    Type: Application
    Filed: October 3, 2014
    Publication date: August 27, 2015
    Inventors: Seong-Min LEE, Sun-Hwa KIM, Hyun-shik LEE, Hyo-min KIM, Hyuk-Sang JUN, Ju-kyung JO
  • Patent number: 9118038
    Abstract: An organic light emitting diode display includes a substrate, first electrodes patterned on the substrate, pixel defining layers on the substrate to separate the first electrodes corresponding to pixel units, light emitting layers on the first electrodes and separated corresponding to the pixel units, and a second electrode on the light emitting layers, wherein the pixel defining layers have pores.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: August 25, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hyun Shik Lee
  • Patent number: 9083003
    Abstract: An organic light emitting diode display includes a substrate, first electrodes patterned on the substrate, pixel defining layers on the substrate to separate the first electrodes corresponding to pixel units, light emitting layers on the first electrodes and separated corresponding to the pixel units, and a second electrode on the light emitting layers, wherein the pixel defining layers have pores.
    Type: Grant
    Filed: August 13, 2012
    Date of Patent: July 14, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hyun-Shik Lee
  • Patent number: 9065076
    Abstract: An organic light emitting display device includes a substrate, a display unit on the substrate, and an encapsulation layer on the display unit, the encapsulation layer including a plurality of alternating inorganic and organic films, at least one of the organic films being a patterned organic film, and the patterned organic film having a plurality of high refractive index portions in an organic matrix.
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: June 23, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-Shik Lee, Kyu-Seok Kim
  • Patent number: 9048455
    Abstract: An encapsulation member is disclosed. The encapsulation member includes at least two organic material layers, at least two inorganic material layers and a light absorption layer pattern. The inorganic material layers and the organic material layers are stacked alternately. The light absorption layer pattern is disposed between one of the organic material layers and one of the inorganic material layers which immediately neighbor each other. The light absorption layer pattern includes a plurality of wires which extend in a first direction, and are arranged substantially parallel to each other.
    Type: Grant
    Filed: August 8, 2013
    Date of Patent: June 2, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hyun-Shik Lee
  • Publication number: 20150079712
    Abstract: An organic light emitting diode display includes a substrate, first electrodes patterned on the substrate, pixel defining layers on the substrate to separate the first electrodes corresponding to pixel units, light emitting layers on the first electrodes and separated corresponding to the pixel units, and a second electrode on the light emitting layers, wherein the pixel defining layers have pores.
    Type: Application
    Filed: November 21, 2014
    Publication date: March 19, 2015
    Inventor: Hyun Shik Lee