Patents by Inventor Wonmin Yun

Wonmin Yun 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: 20180083227
    Abstract: A display device includes: a substrate; an organic light-emitting diode positioned above the substrate; and a thin film encapsulation layer disposed on the organic light-emitting diode. The thin film encapsulation layer includes: at least one inorganic layer; and at least one organic layer disposed on the at least one inorganic layer. The at least one organic layer has a refractive index of about 1.66 or greater.
    Type: Application
    Filed: September 14, 2017
    Publication date: March 22, 2018
    Inventors: Yongchan Ju, Yisu Kim, Eungseok Park, Wonmin Yun, Byoungduk Lee, Yoonheung Cho
  • Publication number: 20180013100
    Abstract: An display device including a substrate, an organic light-emitting diode, and a thin film encapsulation layer. The organic light-emitting diode is disposed on the substrate. The thin film encapsulation layer is disposed on the organic light-emitting diode. The thin film encapsulation layer includes at least one inorganic layer, at least one organic layer, and a first refractive-index control layer. The at least one organic layer is alternately disposed with the at least one inorganic layer. The first refractive-index layer is disposed between one of the at least one inorganic layer and one of the at least one organic layer disposed adjacent to each other. The first refractive-index control layer has a refractive-index variation ratio per unit length (?n/nm) from about 0.001/nm to about 0.002/nm along a direction from the organic light-emitting diode toward the thin film encapsulation layer.
    Type: Application
    Filed: April 7, 2017
    Publication date: January 11, 2018
    Inventors: Sanghoon YIM, Wonjong KIM, Yisu KIM, Minho OH, Wonmin YUN, Kwanhee LEE, Byoungduk LEE, Yoonhyeung CHO, Youngcheol JOO, Yongchan JU
  • Patent number: 9859526
    Abstract: A flexible display device includes: a flexible substrate; a display unit on the flexible substrate and including a display area capable of displaying an image; and a thin film encapsulating layer encapsulating the display unit and including at least one inorganic encapsulating film and at least one organic encapsulating film, where the organic encapsulating film includes at least one first organic region including a first organic material and at least one second organic region including a second organic material that is different from the first organic material, and the at least one first organic region extends in a first direction, the at least one first organic region and the at least one second organic region are aligned with each other, and a first Young's modulus of the at least one first organic region is different from a second Young's modulus of the least one second organic region.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: January 2, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoungduk Lee, Eungseok Park, Wonmin Yun, Yunah Chung, Yoonhyeung Cho, Yongchan Ju
  • Publication number: 20170352837
    Abstract: A display apparatus includes a substrate, a display arranged on the substrate and including a plurality of display elements, and an encapsulator arranged on the display and encapsulating the display. The encapsulator may include at least one inorganic film and at least one organic film, and the at least one organic film may include a matrix and an ultraviolet light absorbent dispersed in the matrix.
    Type: Application
    Filed: June 1, 2017
    Publication date: December 7, 2017
    Inventors: Wonmin YUN, Yisu KIM, Eungseok PARK, Byoungduk LEE, Yoonhyeung CHO, Yongchan JU
  • Patent number: 9803279
    Abstract: An apparatus for manufacturing a display apparatus includes a stage supporting a substrate, a deposition gas supplying unit above the substrate, the deposition gas supplying unit spraying a deposition gas onto the substrate, and a first mask between the stage and the deposition gas supplying unit, the first mask including at least two first openings through which the deposition gas selectively passes.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: October 31, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yunah Chung, Eungseok Park, Wonmin Yun, Byoungduk Lee, Yoonhyeung Cho, Yongchan Ju
  • Publication number: 20170271551
    Abstract: A quantum dot light-emitting device includes: a first electrode; a second electrode opposite to the first electrode; an emission layer between the first electrode and the second electrode, the emission layer including quantum dots; and an inorganic layer between the emission layer and the second electrode, the inorganic layer including a metal halide.
    Type: Application
    Filed: September 13, 2016
    Publication date: September 21, 2017
    Inventors: Yisu Kim, Dongchan Kim, Eungseok Park, Wonmin Yun, Byoungduk Lee, Yongchan Ju
  • Publication number: 20170186999
    Abstract: A display apparatus including a substrate; a display unit disposed on the substrate; a sealing layer disposed on the display unit; a touch screen layer disposed on the sealing layer; and a buffer layer disposed between the sealing layer and the touch screen layer. The sealing layer includes n sealing units each including an organic layer and an inorganic layer, in which n is an integer of 1 or greater. The organic layer and the inorganic layer are sequentially stacked on the display unit. The organic layer includes a cured product for forming an organic layer including a first photocurable monomer. The buffer layer includes a cured product for forming a buffer layer including a second and third photocurable monomer. The first and second photocurable monomers include a photocurable functional group. The third photocurable monomer is represented by Formulae 1A to 1C.
    Type: Application
    Filed: December 22, 2016
    Publication date: June 29, 2017
    Inventors: BYOUNGDUK LEE, EUNGSEOK PARK, WONMIN YUN, YUNAH CHUNG, YOONHYEUNG CHO, YONGCHAN JU
  • Publication number: 20170186819
    Abstract: An organic light-emitting display apparatus includes a substrate; a pixel electrode over the substrate; a pixel-defining layer including an opening that exposes at least a portion of the pixel electrode; an intermediate layer, which is over the portion of the pixel electrode exposed by the opening and includes an organic emission layer; a counter electrode over the intermediate layer; and an encapsulating structure, which is over the counter electrode and includes at least one inorganic layer and at least one organic layer, and the at least one organic layer includes quantum dots and is in the opening.
    Type: Application
    Filed: July 6, 2016
    Publication date: June 29, 2017
    Inventors: Wonmin Yun, Yisu Kim, Eungseok Park, Byoungduk Lee, Yunah Chung, Yoonhyeung Cho, Yongchan Ju
  • Publication number: 20170145249
    Abstract: An organic film forming composition having improved hygroscopic properties (e.g., moisture-adsorbing abilities) and an electronic apparatus including a cured product of the organic film forming composition.
    Type: Application
    Filed: June 15, 2016
    Publication date: May 25, 2017
    Inventors: Wonmin Yun, Eungseok Park, Byoungduk Lee, Yunah Chung, Yoonhyeung Cho, Yongchan Ju
  • Publication number: 20170125731
    Abstract: An organic light-emitting display apparatus includes a substrate, a pixel electrode on the substrate, a capping layer on the pixel electrode, a second organic layer on the capping layer, a first organic layer between the capping layer and the second organic layer and corresponding to the pixel electrode, and an inorganic layer on the second organic layer.
    Type: Application
    Filed: July 8, 2016
    Publication date: May 4, 2017
    Inventors: Wonmin Yun, Eungseok Park, Byoungduk Lee, Yunah Chung, Yoonhyeung Cho, Yongchan Ju
  • Publication number: 20170098798
    Abstract: A display apparatus includes a substrate, a display element disposed on the substrate, a first inorganic film layer disposed on the display element, a first organic film layer disposed on the first inorganic film layer, a second organic film layer disposed on the first organic film layer and including a wrinkled upper surface, and a second inorganic film layer disposed on the second organic film layer and including a shape corresponding to the wrinkled upper surface of the second organic film layer.
    Type: Application
    Filed: September 20, 2016
    Publication date: April 6, 2017
    Inventors: Eungseok Park, Minho Oh, Wonmin Yun, Byoungduk Lee, Yunah Chung, Yoonhyeung Cho, Yongchan Ju
  • Publication number: 20170020007
    Abstract: A flexible display apparatus, including a flexible substrate including a bending area and a non-bending area; a display unit on the flexible substrate; and an encapsulation unit covering the display unit, the encapsulation unit including a first inorganic film, a second inorganic film, and an organic film between the first inorganic film and the second inorganic film, the organic film having a first thickness in the bending area and a second thickness greater than the first thickness in the non-bending area.
    Type: Application
    Filed: May 17, 2016
    Publication date: January 19, 2017
    Inventors: Eungseok PARK, Wonmin YUN, Byoungduk LEE, Yunah CHUNG, Yoonhyeung CHO, Yongchan JU
  • Publication number: 20160322598
    Abstract: An organic light-emitting display apparatus includes: a substrate; an organic light-emitting device on the substrate; and an encapsulation layer including a first inorganic film covering the organic light-emitting device, an organic film on the first inorganic film, a second inorganic film between the first inorganic film and the organic film and having hydrophilicity, and a third inorganic film on the organic film. The second inorganic film may have a contact angle of 40° or less. A method of manufacturing an organic light-emitting display apparatus includes forming an organic light-emitting device on a substrate; forming a first inorganic film covering the organic light-emitting device; forming a second inorganic film having hydrophilicity on the first inorganic film; forming an organic film on the second inorganic film; and forming a third inorganic film on the organic film.
    Type: Application
    Filed: November 9, 2015
    Publication date: November 3, 2016
    Inventors: Yongtack Kim, Eungseok Park, Wonmin Yun, Byoungduk Lee, Yunah Chung, Yoonhyeung Cho, Yongchan Ju
  • Publication number: 20160240817
    Abstract: A display apparatus includes a substrate, a display layer on the substrate and including a plurality of display devices, and an encapsulation layer on the substrate and including a first inorganic layer, a second inorganic layer, and an organic layer between the first inorganic layer and the second inorganic layer, wherein the organic layer includes a first organic layer patterned to have a plurality of islands and a second organic layer filling gaps between the plurality of islands.
    Type: Application
    Filed: September 9, 2015
    Publication date: August 18, 2016
    Inventors: Yoonhyeung Cho, Eungseok Park, Wonmin Yun, Byoungduk Lee, Yunah Chung, Yongchan Ju
  • Publication number: 20160233453
    Abstract: A flexible display device includes: a flexible substrate; a display unit on the flexible substrate and including a display area capable of displaying an image; and a thin film encapsulating layer encapsulating the display unit and including at least one inorganic encapsulating film and at least one organic encapsulating film, where the organic encapsulating film includes at least one first organic region including a first organic material and at least one second organic region including a second organic material that is different from the first organic material, and the at least one first organic region extends in a first direction, the at least one first organic region and the at least one second organic region are aligned with each other, and a first Young's modulus of the at least one first organic region is different from a second Young's modulus of the least one second organic region.
    Type: Application
    Filed: November 18, 2015
    Publication date: August 11, 2016
    Inventors: Byoungduk Lee, Eungseok Park, Wonmin Yun, Yunah Chung, Yoonhyeung Cho, Yongchan Ju
  • Publication number: 20160111680
    Abstract: An apparatus for manufacturing a display apparatus includes a stage supporting a substrate, a deposition gas supplying unit above the substrate, the deposition gas supplying unit spraying a deposition gas onto the substrate, and a first mask between the stage and the deposition gas supplying unit, the first mask including at least two first openings through which the deposition gas selectively passes.
    Type: Application
    Filed: April 2, 2015
    Publication date: April 21, 2016
    Inventors: Yunah CHUNG, Eungseok PARK, Wonmin YUN, Byoungduk LEE, Yoonhyeung CHO, Yongchan JU
  • Publication number: 20160020427
    Abstract: An organic light emitting display apparatus and a method of manufacturing the same. The organic light emitting display apparatus includes a substrate, a display unit disposed on the substrate, a dam unit disposed on the outside of the display unit on the substrate, and an encapsulation layer sealing the display unit, wherein the encapsulation layer includes an organic film covering the display unit and a first inorganic film covering the organic film and the dam unit, and a material of the dam unit is identical with that of the organic film.
    Type: Application
    Filed: December 16, 2014
    Publication date: January 21, 2016
    Inventors: Yoonhyeung Cho, Eungseok Park, Wonmin Yun, Byoungduk Lee, Yunah Chung, Yongchan Ju