Patents by Inventor Je-Won YOO

Je-Won YOO 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: 20250228083
    Abstract: Provided are a display device and a method for manufacturing the display device. A display device includes a second substrate including a soft material, light-emitting elements above the second substrate, and a first substrate below the second substrate, including a hard material, and further including a second sub-substrate on one side of a bending area where the second substrate is bent, and a first sub-substrate on another side of the bending area, below the light-emitting elements, having a length that is about 50 times to about 200 times a length of the second sub-substrate, and including a first surface, a second surface opposite to the first surface, a first side surface between the first surface and the second surface, and adjacent to the bending area, and a first inclined surface between the first surface and the first side surface.
    Type: Application
    Filed: August 26, 2024
    Publication date: July 10, 2025
    Inventors: Seung Min LEE, Dong Jo KIM, Hyun KIM, Seong Geun WON, Je Won YOO, Dan Bi CHOI, Seung Wan HONG, Souk June HWANG
  • Publication number: 20250194296
    Abstract: A light-emitting element includes a light-emitting element core extending in a direction and including a first semiconductor layer, a second semiconductor layer disposed on the first semiconductor layer, and a device active layer disposed between the first semiconductor layer and the second semiconductor layer, a device insulating film surrounding a lateral surface of the light-emitting element core, and a reflective film disposed on an outer lateral surface of the device insulating film and surrounding at least a lateral surface of the device active layer.
    Type: Application
    Filed: February 25, 2025
    Publication date: June 12, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hye Lim KANG, Moon Jung AN, Je Won YOO, Dong Eon LEE
  • Publication number: 20250194297
    Abstract: A light-emitting element includes a light-emitting element core extending in a direction and including a first semiconductor layer, a second semiconductor layer disposed on the first semiconductor layer, and a device active layer disposed between the first semiconductor layer and the second semiconductor layer, a device insulating film surrounding a lateral surface of the light-emitting element core, and a reflective film disposed on an outer lateral surface of the device insulating film and surrounding at least a lateral surface of the device active layer.
    Type: Application
    Filed: February 25, 2025
    Publication date: June 12, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hye Lim KANG, Moon Jung AN, Je Won YOO, Dong Eon LEE
  • Publication number: 20250185424
    Abstract: A light emitting device may include a first semiconductor layer; an active layer disposed on the first semiconductor layer; a second semiconductor layer disposed on the active layer; an electrode layer disposed on the second semiconductor layer; a protective layer disposed on the electrode layer; and an insulating film enclosing outer circumferential surfaces of at least the first semiconductor layer, the active layer, the second semiconductor layer, and the electrode layer, and exposing a surface of the first semiconductor layer and a surface of the protective layer.
    Type: Application
    Filed: February 3, 2025
    Publication date: June 5, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: Je Won YOO, Se Young KIM, Joo Yeol LEE
  • Patent number: 12300769
    Abstract: A light emitting element includes: a first semiconductor layer and a second semiconductor layer; an active layer between the first semiconductor layer and the second semiconductor layer; an insulating film around side surfaces of at least the active layer; and a wavelength conversion material on at least a portion of the insulating film, wherein light emitted to the outside and light emitted from the active layer have different central wavelength bands.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: May 13, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Je Won Yoo, Dae Hyun Kim, Xin Xing Li, Bek Hyun Lim
  • Patent number: 12294041
    Abstract: A light-emitting element extending in one direction includes: a semiconductor core including a main body extending in the one direction, a first end connected to one side of the main body and having an inclined side surface, and a second end connected to an other side of the main body and having a width less than that of the main body; and an insulation film around at least a portion of the outer surface of the semiconductor core, wherein the insulation film includes a first insulation film around the first end of the semiconductor core; and a second insulation film around the second end of the semiconductor core, wherein the diameter of an outer surface of the first insulation film is the same as a diameter of an outer surface of the second insulation film.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: May 6, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myeong Hee Kim, Je Won Yoo
  • Patent number: 12278310
    Abstract: A display device comprises a first electrode, a first insulating layer disposed on the first electrode, a second electrode disposed on the first insulating layer, at least a part of the second electrode facing the first electrode in a first direction, one or more first light-emitting elements disposed between the first electrode and the second electrode, the one or more first light-emitting elements extending in a direction, wherein the first insulating layer partially encompasses the outer surface of the one or more first light-emitting element, and the extending direction of at least one of the one or more first light-emitting element is parallel to the first direction.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: April 15, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Bek Hyun Lim, Tae Jin Kong, Myeong Hee Kim, Won Kyu Kim, Je Won Yoo, Hee Keun Lee, Chang Il Tae
  • Publication number: 20250107407
    Abstract: A display device that includes a light emitting element layer disposed on a substrate, a thin-film encapsulation layer disposed on the light emitting element layer, a wavelength conversion layer disposed on the thin-film encapsulation layer and including a bank which defines light emitting areas and a non-light emitting area, a dam structure disposed on the wavelength conversion layer and overlapping at least one of the light emitting areas, a filling layer disposed on the wavelength conversion layer and disposed between portions of the dam structure, a color filter layer disposed on the dam structure, and a counter substrate disposed on the color filter layer, wherein the filling layer overlaps ones of the light emitting areas not overlapping the dam structure.
    Type: Application
    Filed: April 22, 2024
    Publication date: March 27, 2025
    Applicant: Samsung Display Co., LTD.
    Inventors: Soo Dong KIM, Jung Hwan YI, Ji Eun KO, Rae Young KIM, Yo Han KIM, Je Won YOO, Su Min JUNG, Hye Young HAN
  • Publication number: 20250098501
    Abstract: A display device includes a light emitting element layer, a light control layer on the light emitting element layer and including spaced apart light blocking films and a light transmitting film between the light blocking films, and a first emission area and a second emission area, the light blocking films include, a first louver and a second louver on both sides of a first side of the first emission area, respectively, with the first side between, and a third louver and a fourth louver on both sides of a second side of the second emission area, respectively, with the second side between, a width of the first emission area is different from a width of the second emission area, and a distance between the first side and the first louver is different from a distance between the second side and the third louver.
    Type: Application
    Filed: April 17, 2024
    Publication date: March 20, 2025
    Applicant: Samsung Display Co., LTD.
    Inventors: Yong Sub SHIM, Je Won YOO, Jung Min CHOI, Jong Beom HONG
  • Patent number: 12243961
    Abstract: A light-emitting element includes a light-emitting element core extending in a direction and including a first semiconductor layer, a second semiconductor layer disposed on the first semiconductor layer, and a device active layer disposed between the first semiconductor layer and the second semiconductor layer, a device insulating film surrounding a lateral surface of the light-emitting element core, and a reflective film disposed on an outer lateral surface of the device insulating film and surrounding at least a lateral surface of the device active layer.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: March 4, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hye Lim Kang, Moon Jung An, Je Won Yoo, Dong Eon Lee
  • Publication number: 20250072216
    Abstract: Embodiments of the present disclosure provide a display panel including: an overcoat layer disposed on a light emitting element layer and having a first refractive index; and a cover window disposed on the overcoat layer and having a second refractive index greater than the first refractive index, wherein at least one of the overcoat layer and the cover window includes a plurality of inclined surfaces, and inclination angles of the plurality of inclined surfaces in a central area are different from those in an edge area. The display panel, the manufacturing method thereof, and the head-mounted display device including the same according to the embodiments of the present disclosure May control the angle of emitted light.
    Type: Application
    Filed: April 29, 2024
    Publication date: February 27, 2025
    Inventors: Jun Hyuk WOO, Rae Young KIM, Ree Hyang KIM, Jong Min OK, Je Won YOO
  • Publication number: 20250056982
    Abstract: A display device includes a display panel, which includes a first area including a display area, a second area spaced apart from the first area in a first direction, and a third area located between the first area and the second area and configured to bend, a first substrate including a rigid material, a second substrate disposed on the first substrate and including a flexible material, a protective layer disposed on the second substrate and overlapping the third area, and an alignment mark disposed on the first substrate, a cutting area that overlaps the third area, wherein a portion of the second substrate and a portion of the protective layer are removed from the cutting area, wherein the first substrate at least partially overlaps the cutting area, and wherein the alignment mark is disposed where the first substrate and the cutting area overlap each other.
    Type: Application
    Filed: April 10, 2024
    Publication date: February 13, 2025
    Inventors: Hyun KIM, Je Won YOO, Seung Min LEE
  • Publication number: 20250057029
    Abstract: There is provided a display device including a second substrate corresponding to a main area, a pad area, and a bending area between the main area and the pad area, a first substrate at the main area and at the pad area and beneath the second substrate, and a display element layer at the main area and above the second substrate, wherein the first substrate includes a first sub-substrate overlapped with the main area, and including a first surface adjacent the second substrate, a second surface opposite to the first surface, and a first side directed toward the bending area, and a second sub-substrate spaced apart from the first sub-substrate and overlapped with the pad area, wherein a first inclined angle formed by the second surface and the first side is an obtuse angle.
    Type: Application
    Filed: April 25, 2024
    Publication date: February 13, 2025
    Inventors: Je Won YOO, Dong Jo KIM, Hyun KIM, Seung Min LEE
  • Publication number: 20250053199
    Abstract: A display device includes a first substrate including a first area, a second area, and a bending area that is between the first area and the second area, and including a second inclined surface facing the bending area, a light-emitting element at the first area, and a first bending-protection layer at the first area and the second area, not overlapping the bending area, and including a first inclined surface facing the bending area and aligned with the second inclined surface.
    Type: Application
    Filed: April 1, 2024
    Publication date: February 13, 2025
    Inventors: Seong Geun WON, Dong Jo KIM, Hyun KIM, Je Won YOO, Seung Min LEE, Dan Bi CHOI, Souk June HWANG
  • Publication number: 20250057012
    Abstract: A display device including a first substrate including a display area and a non-display area surrounding the display area, a second substrate disposed on the first substrate, a display element layer disposed on the second substrate and overlapping the display area, a first encapsulation layer disposed on the display element layer, overlapping the non-display area, and including an inorganic material, and a second encapsulation layer disposed on the first encapsulation layer, including a concavo-convex structure, and including an inorganic material. The first substrate includes a first surface overlapping an edge portion of the first substrate and facing the second substrate, and a first inclined surface extended to the first surface. An inclination angle formed by the first surface and the first inclined surface is an obtuse angle, and the first inclined surface overlaps the second encapsulation layer in a direction perpendicular to the first substrate.
    Type: Application
    Filed: April 4, 2024
    Publication date: February 13, 2025
    Applicant: Samsung Display Co., LTD.
    Inventors: Je Won YOO, Chang Mok KIM, Dong Jo KIM, Hyun KIM, Seung Min LEE, Dan Bi CHOI
  • Publication number: 20250056981
    Abstract: A display device includes a first substrate including a first surface and a second surface, which are opposite to each other, where the first substrate includes a rigid material, a second substrate disposed on the first surface of the first substrate, where the second substrate includes a flexible material, and a plurality of light-emitting elements disposed on the second substrate, where the first substrate further include first side surfaces disposed between the first and second surfaces, and first inclined surfaces disposed between the first surface and the first side surfaces, where the first side surfaces and the first inclined surfaces are at edges of the first substrate in a bending area where the second substrate is bent, and the display device further includes a filler disposed between a bottom surface of the second substrate and the first side surfaces of the first substrate, in the bending area.
    Type: Application
    Filed: April 9, 2024
    Publication date: February 13, 2025
    Inventors: Seung Min LEE, Dong Jo KIM, Hyun KIM, Seong Geun WON, Je Won YOO, Dan Bi CHOI, Souk June HWANG
  • Patent number: 12218284
    Abstract: A light emitting device may include a first semiconductor layer; an active layer disposed on the first semiconductor layer; a second semiconductor layer disposed on the active layer; an electrode layer disposed on the second semiconductor layer; a protective layer disposed on the electrode layer; and an insulating film enclosing outer circumferential surfaces of at least the first semiconductor layer, the active layer, the second semiconductor layer, and the electrode layer, and exposing a surface of the first semiconductor layer and a surface of the protective layer.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: February 4, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Je Won Yoo, Se Young Kim, Joo Yeol Lee
  • Publication number: 20250017059
    Abstract: A display device includes: a first substrate comprising a first surface and a second surface facing each other and having a rigid material; a second substrate on the first surface of the first substrate and having a flexible material; and a display layer on the second substrate and comprising at least one inorganic film and a plurality of light-emitting elements, wherein the first substrate, at an edge of a bending area where the second substrate is bent, further includes: a first side surface between the first surface and the second surface; and a first inclined surface between the first surface and the first side surface, and the at least one inorganic film does not overlap with the first inclined surface.
    Type: Application
    Filed: March 29, 2024
    Publication date: January 9, 2025
    Inventors: Hyun KIM, Seung Min LEE, Dong Jo KIM, Young Ji KIM, Je Won YOO
  • Publication number: 20250017076
    Abstract: A display device includes: a first substrate including: a display area; and a non-display area including a bending area and a pad area; a display element layer on the display area; a bending protective layer on the bending area; a flexible circuit board on the pad area; a circuit protective layer on the pad area, and completely covering the flexible circuit board; a first support member under the display area; and a second support member under the pad area, spaced from the first support member, and including: a first surface in contact with the first substrate; a second surface opposite to the first surface; a first side surface facing the first support member; and a second side surface. The second side surface includes a first inclined surface connected to the second surface, and the first inclined surface of the second support member overlaps with the circuit protective layer.
    Type: Application
    Filed: March 19, 2024
    Publication date: January 9, 2025
    Inventors: Hyun KIM, Dong Jo KIM, Seong Geun WON, Je Won YOO, Seung Min LEE, Dan Bi CHOI, Souk June HWANG
  • Patent number: 12183857
    Abstract: A light emitting device may include: a substrate; a light emitting element located on the substrate and configured to emit light; a first electrode and a second electrode spaced from each other with the light emitting element interposed therebetween; a color conversion layer located on the substrate and configured to convert light emitted from the light emitting element into light having a specific color; a first contact electrode configured to electrically couple the first electrode with a first end of the light emitting element; and a second contact electrode configured to electrically couple the second electrode with a second end of the light emitting element. In a plan view, the color conversion layer may be spaced from the light emitting element and overlaps with at least one of the first and the second contact electrodes.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: December 31, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Uk Kim, Je Won Yoo, Hyun Min Cho, Jung Hong Min