Patents by Inventor Byoung-Duk Lee

Byoung-Duk 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).

  • Patent number: 10903446
    Abstract: A display device is provided. The display device includes: a first base; light-emitting elements on the first base and in the pixels, respectively; a second base facing the first base; and a light-blocking/supporting member between the light-emitting elements and the second base and at a boundary of each of the pixels, wherein the light-blocking/supporting member includes a light-blocking portion and a plurality of supporting portions in the light-blocking portion.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: January 26, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Hyun Son, Yo Han Kim, Yoon Hyeung Cho, Jeong Su Kim, Jong Jin Park, Hae Gu Yeo, Byoung Duk Lee
  • Publication number: 20200295090
    Abstract: A color conversion substrate includes a base including a first light transmitting region and a light shielding region around the first light transmitting region; a first color filter on the base in the first light transmitting region; a first wavelength conversion pattern in a first microcavity on the first color filter including a first wavelength shifter; and a light shielding member on the base and in the light shielding region. The first microcavity includes an open side, and the light shielding member directly contacts the first wavelength conversion pattern at the open side of the first microcavity.
    Type: Application
    Filed: January 28, 2020
    Publication date: September 17, 2020
    Inventors: Yoon Hyeung CHO, Yo Han KIM, Byoung Duk LEE, Yong Tack KIM, Jong Jin PARK, Yun Ah CHUNG, Young Cheol JOO
  • Publication number: 20200274089
    Abstract: A display device is provided. The display device includes: a first base; light-emitting elements on the first base and in the pixels, respectively; a second base facing the first base; and a light-blocking/supporting member between the light-emitting elements and the second base and at a boundary of each of the pixels, wherein the light-blocking/supporting member includes a light-blocking portion and a plurality of supporting portions in the light-blocking portion.
    Type: Application
    Filed: December 13, 2019
    Publication date: August 27, 2020
    Inventors: Jung Hyun SON, Yo Han KIM, Yoon Hyeung CHO, Jeong Su KIM, Jong Jin PARK, Hae Gu YEO, Byoung Duk LEE
  • Publication number: 20200251688
    Abstract: A display device comprises a first substrate comprising at least one light-emitting element; a second substrate facing the first substrate, wherein light emitted from the light-emitting element is to be incident on the second substrate; and a filling layer between the first substrate and the second substrate, wherein the filling layer comprises a filling pattern comprising a first pattern part on the first substrate and having a curve portion formed in at least a part thereof.
    Type: Application
    Filed: January 27, 2020
    Publication date: August 6, 2020
    Inventors: Yun Ah CHUNG, Yo Han KIM, Jong Woo KIM, Jong Jin PARK, Byoung Duk LEE, Yoon Hyeung CHO, Young Cheol JOO, Jae Heung HA
  • Publication number: 20200152705
    Abstract: A display device includes a first substrate; light-emitting elements disposed on the first substrate; an encapsulation film covering the light-emitting elements; a second substrate facing the first substrate; a first outermost film disposed on the second substrate to face the encapsulation film and including AOXNY (where A is a metal or non-metal element and X>Y); and a filler material disposed between the encapsulation film and the first outermost film and placed in direct contact with the first outermost film.
    Type: Application
    Filed: October 7, 2019
    Publication date: May 14, 2020
    Inventors: Jung Hyun SON, Yo Han KIM, Yong Tack KIM, Byoung Duk LEE, Yoon Hyeung CHO
  • Patent number: 10636350
    Abstract: A light emitting diode and a display device, the light emitting diode including a first electrode; a second electrode overlapping the first electrode; and an emission layer positioned between the first electrode and the second electrode, wherein the emission layer includes a first material, the first material including an alkali metal halide, an alkaline earth metal halide, a transition metal halide, an alkali metal chalcogenide, or an alkaline earth metal chalcogenide, and a second material, the second material including a lanthanide metal or a compound of a lanthanide metal.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: April 28, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Chan Kim, Byoung Duk Lee, Yoon Hyeung Cho
  • Patent number: 10559637
    Abstract: A thin film encapsulation unit including an inorganic layer, a first organic layer on the inorganic layer and including a light-blocking unit and a light-transmitting unit, and a reflection-preventing layer on the first organic layer.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: February 11, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung-Duk Lee, Yun-Ah Chung, Yoon-Hyeung Cho
  • Publication number: 20190096318
    Abstract: A light emitting diode and a display device, the light emitting diode including a first electrode; a second electrode overlapping the first electrode; and an emission layer positioned between the first electrode and the second electrode, wherein the emission layer includes a first material, the first material including an alkali metal halide, an alkaline earth metal halide, a transition metal halide, an alkali metal chalcogenide, or an alkaline earth metal chalcogenide, and a second material, the second material including a lanthanide metal or a compound of a lanthanide metal.
    Type: Application
    Filed: June 5, 2018
    Publication date: March 28, 2019
    Inventors: Dong Chan KIM, Byoung Duk LEE, Yoon Hyeung CHO
  • Publication number: 20180151653
    Abstract: A thin film encapsulation unit including an inorganic layer, a first organic layer on the inorganic layer and including a light-blocking unit and a light-transmitting unit, and a reflection-preventing layer on the first organic layer.
    Type: Application
    Filed: January 15, 2018
    Publication date: May 31, 2018
    Inventors: Byoung-Duk Lee, Yun-Ah Chung, Yoon-Hyeung Cho
  • Patent number: 9905623
    Abstract: A thin film encapsulation unit including an inorganic layer, a first organic layer on the inorganic layer and including a light-blocking unit and a light-transmitting unit, and a reflection-preventing layer on the first organic layer.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: February 27, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung-Duk Lee, Yun-Ah Chung, Yoon-Hyeung Cho
  • Publication number: 20170186985
    Abstract: An organic light emitting element includes a first electrode a second electrode that faces the first electrode, an emission layer between the first electrode and the second electrode, the emission layer including quantum dots, and a hole transport layer between the first electrode and the emission layer. The quantum dots include at least one of a Group I-VI compound, a Group II-VI compound, and a Group III-VI compound. The hole transport layer includes at least one of a p-doped Group I-VI compound, a p-doped Group II-VI compound, and a p-doped Group III-VI compound.
    Type: Application
    Filed: December 1, 2016
    Publication date: June 29, 2017
    Inventors: Dong Chan KIM, Yi Su KIM, Byoung Duk LEE, Yoon Hyeung CHO
  • Patent number: 9595572
    Abstract: A thin film encapsulation unit including an inorganic layer, a first organic layer on the inorganic layer and including a light-blocking unit and a light-transmitting unit, and a reflection-preventing layer on the first organic layer.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: March 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung-Duk Lee, Yun-Ah Chung, Yoon-Hyeung Cho
  • Patent number: 9502477
    Abstract: A display apparatus and a filter for improving color purity (color saturation filter) are disclosed. In one aspect, the display apparatus includes a substrate, a display device formed on the substrate and having a plurality of pixel areas that emit different colors of light, and a color saturation filter on the display device. The color saturation filter is formed with a substantially uniform thickness over the plurality of pixel areas and has a transmissivity such that a full width at half maximum at the central wavelength of blue light emitted from one of the pixel areas is about 100 nm or less.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: November 22, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung-Duk Lee, Sang-Hwan Cho, Yun-Ah Chung
  • Patent number: 9343700
    Abstract: Provided is a display apparatus including: a substrate including a display area and a periphery; a display element disposed on the display area of the substrate; and an encapsulation layer including a first inorganic layer, an organic layer, and a second inorganic layer that are sequentially formed to cover the display element, wherein the organic layer includes: a first organic layer formed on of the periphery of the substrate and on the substrate; and a second organic layer formed on the first inorganic layer so as to overlap the display element.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: May 17, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon-Hyeung Cho, Min-Ho Oh, Byoung-Duk Lee, Yong-Tak Kim, Jong-Woo Kim, Yong-Chan Ju, Yun-Ah Chung
  • Publication number: 20160093831
    Abstract: A thin film encapsulation unit including an inorganic layer, a first organic layer on the inorganic layer and including a light-blocking unit and a light-transmitting unit, and a reflection-preventing layer on the first organic layer.
    Type: Application
    Filed: November 30, 2015
    Publication date: March 31, 2016
    Inventors: Byoung-Duk Lee, Yun-Ah Chung, Yoon-Hyeung Cho
  • Publication number: 20160093682
    Abstract: A thin film encapsulation unit including an inorganic layer, a first organic layer on the inorganic layer and including a light-blocking unit and a light-transmitting unit, and a reflection-preventing layer on the first organic layer.
    Type: Application
    Filed: November 30, 2015
    Publication date: March 31, 2016
    Inventors: Byoung-Duk Lee, Yun-Ah Chung, Yoon-Hyeung Cho
  • Publication number: 20160043342
    Abstract: Disclosed are a flexible display apparatus and a method of manufacturing the same. The method includes preparing an organic layer material for a thin film encapsulation layer, coating an edge area and a central area of a substrate with the organic layer material by using a plurality of nozzles, and finishing an organic layer for the thin film encapsulation layer on the substrate. An amount of the organic layer material is adjusted by selectively driving a variable adjustment unit of the substrate.
    Type: Application
    Filed: January 9, 2015
    Publication date: February 11, 2016
    Inventors: Byoung-Duk Lee, Eung-Seok Park, Won-Min Yun, Yun-Ah Chung, Yoon-Hyeung Cho, Yong-Chan Ju
  • Patent number: 9257674
    Abstract: An OLED display includes: a substrate; an organic light emitting element formed on the substrate and including a first electrode, an emission layer, and a second electrode; and an encapsulation layer formed on the substrate while covering the organic light emitting element. The encapsulation layer includes an organic layer and an inorganic layer, and a protrusion and depression structure is formed in an interface between the organic layer and the inorganic layer.
    Type: Grant
    Filed: November 15, 2011
    Date of Patent: February 9, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: So-Young Lee, Yoon-Hyeung Cho, Min-Ho Oh, Byoung-Duk Lee, Yong-Tak Kim, Sang-Hwan Cho, Yun-Ah Chung, Seung-Yong Song, Jong-Hyuk Lee
  • Patent number: 9214647
    Abstract: Disclosed is an organic light emitting diode device including a substrate, an organic light emitting element disposed on the substrate, a polymer resin layer covering the organic light emitting element, and a getter disposed between the organic light emitting element and the polymer resin. The getter may include a moisture absorbing material and a binder having a volatilization degree of about 400 ppm or less when heated at a temperature ranging from about 60° C. to about 120° C. for about 2 hours.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: December 15, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung-Duk Lee, Jong-Hyuk Lee, Yoon Hyeung Cho, Min-Ho Oh, So-Young Lee, Sun-Young Lee
  • Patent number: 9203049
    Abstract: A thin film encapsulation unit including an inorganic layer, a first organic layer on the inorganic layer and including a light-blocking unit and a light-transmitting unit, and a reflection-preventing layer on the first organic layer.
    Type: Grant
    Filed: June 11, 2013
    Date of Patent: December 1, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung-Duk Lee, Yun-Ah Chung, Yoon-Hyeung Cho