Patents by Inventor Hyeon Bum LEE

Hyeon Bum 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: 20240147807
    Abstract: A display device includes a display area and a non-display area; a light emitting element disposed on a display area of a substrate; a dam disposed on a non-display area of the substrate; an encapsulation layer disposed on the light emitting element and the dam; a planarization layer disposed on the encapsulation layer; and a sensing electrode disposed on the planarization layer, wherein a thickness of a portion of the planarization layer disposed in the non-display area gradually increases as the portion of the planarization layer is away from the display area.
    Type: Application
    Filed: January 4, 2024
    Publication date: May 2, 2024
    Applicant: Samsung Display Co., LTD.
    Inventor: Hyeon Bum LEE
  • Publication number: 20240081124
    Abstract: A display device includes a via insulating layer on a substrate; a first electrode on the via insulating layer; a pixel defining layer including an inclined region on the first electrode and including a first opening exposing a portion of the first electrode, and a flat region at a side of the inclined region and in contact with the via insulating layer; a light emitting layer on the portion of the first electrode exposed by the first opening; organic particles on the flat region of the pixel defining layer; an encapsulation layer covering the pixel defining layer, the light emitting layer, and the organic particles, and including a first layer, a second layer, and a third layer; and a first light blocking layer on the third layer of the encapsulation layer to overlap the flat region of the pixel defining layer and form a second opening.
    Type: Application
    Filed: May 8, 2023
    Publication date: March 7, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Ho KIM, Dong Uk KIM, Hyoeng Ki KIM, Hyeon Bum LEE, Hoon Gi LEE, Chaun Gi CHOI
  • Patent number: 11925091
    Abstract: A light emitting display device includes a substrate including a display area and a non-display area adjacent to the display area, a lower pad electrode disposed on the substrate in the non-display area, a lower planarization layer disposed on the lower pad electrode and including a via hole exposing an upper surface of the lower pad electrode, an upper pad electrode disposed on the lower pad electrode, the upper pad electrode being electrically connected to the lower pad electrode through the via hole, and a covering layer in contact with a side surface portion of the upper pad electrode, the side surface portion of the upper pad electrode being disposed on the lower planarization layer.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeon Bum Lee, Choong Youl Im, Ha Seok Jeon
  • Patent number: 11925094
    Abstract: Some embodiments provide a display device including a substrate having an opening area, a peripheral area surrounding the opening area, and a display area surrounding the peripheral area, a transistor and a light emitting element on the substrate, an encapsulation layer on the light emitting element, a first touch insulating layer on the encapsulation layer, an overcoat layer on the first touch insulating layer, and defining a first opening, and a cover layer filling the first opening, wherein at least one of the overcoat layer and the cover layer extends from the display area to the peripheral area, and wherein the substrate includes a depression pattern that is filled by the overcoat layer or the cover layer.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: March 5, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyeon Bum Lee, Won Hak Choi, Kang Wook Heo
  • Publication number: 20240069658
    Abstract: A display device, includes: a light emitting element layer including a sub-pixel and a pixel defining film defining the sub-pixel; a thin film encapsulation layer on the light emitting element layer; a pseudo-reflection pattern overlapping the pixel defining film and formed on the thin film encapsulation film; a connection electrode on the pseudo-reflection pattern; a second touch insulating layer on the connection electrode; and a driving electrode and a sensing electrode on the second touch insulating layer, wherein a width of the connection electrode is greater than a width of the driving electrode.
    Type: Application
    Filed: August 15, 2023
    Publication date: February 29, 2024
    Inventors: Hyoeng Ki KIM, Hyeon Bum LEE, Hyun Ho KIM
  • Publication number: 20240065047
    Abstract: According to embodiments, a light emitting display device and a vehicle including the light emitting display device include a light emitting diode disposed on a substrate and including a light emitting layer; a pixel defining layer having an opening corresponding to the light emitting layer; light blocking linear patterns disposed on the pixel defining layer and the light emitting layer and extending in a first direction; a color converting layer disposed between the light blocking linear patterns; and an upper transparent organic layer disposed between the light blocking linear patterns and disposed on the color converting layer.
    Type: Application
    Filed: August 17, 2023
    Publication date: February 22, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Eui Suk JUNG, Tae Joon KIM, Dong Hyun YANG, WONSEON YU, Hyeon Bum LEE
  • Publication number: 20240057372
    Abstract: A display device includes a first layer having a display area including pixels and a non-display area surrounding the display area; a second layer disposed on the first layer and including an intermediate inorganic film and an intermediate organic film; a third layer disposed on the second layer and including display elements; a first dam structure disposed outside an edge of the intermediate organic film and extending along the edge of the intermediate organic film; a fourth layer including first and second encapsulation inorganic films; a fifth layer in disposed on the fourth layer; a sixth layer disposed on the fifth layer and including a light blocking layer, a plurality of color filters, and a seventh layer covering the light blocking layer and the plurality of color filters; and a second dam structure disposed on the non-display area and defining a boundary of the seventh layer.
    Type: Application
    Filed: October 24, 2023
    Publication date: February 15, 2024
    Inventor: Hyeon Bum LEE
  • Patent number: 11903295
    Abstract: A display device includes a display area and a non-display area; a light emitting element disposed on a display area of a substrate; a dam disposed on a non-display area of the substrate; an encapsulation layer disposed on the light emitting element and the dam; a planarization layer disposed on the encapsulation layer; and a sensing electrode disposed on the planarization layer, wherein a thickness of a portion of the planarization layer disposed in the non-display area gradually increases as the portion of the planarization layer is away from the display area.
    Type: Grant
    Filed: October 26, 2022
    Date of Patent: February 13, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Hyeon Bum Lee
  • Publication number: 20240038782
    Abstract: A display device may include a source electrode disposed on a substrate; a drain electrode disposed on the substrate; an insulating layer disposed on the source electrode and the drain electrode, the insulating layer including an opening overlapping the drain electrode; and a first electrode disposed on the insulating layer and electrically contacting the drain electrode in the opening of the insulating layer, wherein an angle between a side surface of the opening of the insulating layer and a plane parallel to the substrate is in a range of about 70 degrees to about 85 degrees.
    Type: Application
    Filed: October 12, 2023
    Publication date: February 1, 2024
    Applicant: Samsung Display Co., LTD.
    Inventor: Hyeon Bum LEE
  • Publication number: 20230389378
    Abstract: A display device includes: a first emission area comprising a first light emitting element; a first driving transistor configured to provide a driving current to the first light emitting element and having a first driving channel containing a first material; a first transistor connected to the first driving transistor and having a first channel; a second transistor connected to the first driving transistor and the first transistor and having a second channel; a first data conductive layer comprising a connection electrode connected to the first transistor; and a second data conductive layer comprising a first data line connected to the second transistor and a first driving voltage line connected to the first transistor through the connection electrode, wherein the connection electrode overlaps the first emission area, and wherein the first data line overlaps the connection electrode and does not overlap the first emission area.
    Type: Application
    Filed: March 24, 2023
    Publication date: November 30, 2023
    Inventors: Hyeon Bum LEE, Jun Hee LEE
  • Patent number: 11825685
    Abstract: A display device includes a first layer having a display area including pixels and a non-display area surrounding the display area; a second layer disposed on the first layer and including an intermediate inorganic film and an intermediate organic film; a third layer disposed on the second layer and including display elements; a first dam structure disposed outside an edge of the intermediate organic film and extending along the edge of the intermediate organic film; a fourth layer including first and second encapsulation inorganic films; a fifth layer in disposed on the fourth layer; a sixth layer disposed on the fifth layer and including a light blocking layer, a plurality of color filters, and a seventh layer covering the light blocking layer and the plurality of color filters; and a second dam structure disposed on the non-display area and defining a boundary of the seventh layer.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: November 21, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hyeon Bum Lee
  • Patent number: 11824066
    Abstract: A display device may include a source electrode disposed on a substrate; a drain electrode disposed on the substrate; an insulating layer disposed on the source electrode and the drain electrode, the insulating layer including an opening overlapping the drain electrode; and a first electrode disposed on the insulating layer and electrically contacting the drain electrode in the opening of the insulating layer, wherein an angle between a side surface of the opening of the insulating layer and a plane parallel to the substrate is in a range of about 70 degrees to about 85 degrees.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: November 21, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Hyeon Bum Lee
  • Publication number: 20230354679
    Abstract: A light emitting display device and its manufacturing method are presented. The device includes: a substrate; a pixel circuit unit positioned on the substrate; a light emitting diode (LED) electrically connected to the pixel circuit unit; an encapsulation layer covering the pixel circuit unit and the light emitting diode (LED); a light blocking layer disposed on the encapsulation layer and having a first opening, a second opening, and a third opening; a first color filter including a main part in the first opening and an overlapping part connecting adjacent main parts and covering the light blocking layer; a second color filter in the second opening; and a third color filter in the third opening.
    Type: Application
    Filed: January 6, 2022
    Publication date: November 2, 2023
    Inventors: Hyeon Bum LEE, Hye Kyung PARK, Chi Wook AN, Hyun Duck CHO
  • Publication number: 20230320166
    Abstract: A display device includes a display area and a non-display area; a light emitting element disposed on a display area of a substrate; a dam disposed on a non-display area of the substrate; an encapsulation layer disposed on the light emitting element and the dam; a planarization layer disposed on the encapsulation layer; and a sensing electrode disposed on the planarization layer, wherein a thickness of a portion of the planarization layer disposed in the non-display area gradually increases as the portion of the planarization layer is away from the display area.
    Type: Application
    Filed: October 26, 2022
    Publication date: October 5, 2023
    Applicant: Samsung Display Co., LTD.
    Inventor: Hyeon Bum LEE
  • Publication number: 20230301154
    Abstract: An OLED display according to an exemplary embodiment includes: a substrate that includes a display area and a non-display area; a pixel circuit that is disposed in the display area; organic light emitting diodes and barrier ribs that are disposed on the pixel circuit; an encapsulation layer that covers the pixel circuit, the organic light emitting diodes, and the barrier ribs; and a color filter that is disposed on the encapsulation layer, wherein the encapsulation layer comprises an edge area that is adjacent to the non-display area in the display area and a center area not directly adjacent to the non-display area and having the edge area disposed therebetween, the color filter comprises a first color filter, a second color filter, a third color filter, and color filter overlapped portions where the first color filter, the second color filter, and the third color filter are overlapped, and the color filter overlapped portions are disposed in areas where the barrier ribs are disposed, and a thickness of the
    Type: Application
    Filed: May 23, 2023
    Publication date: September 21, 2023
    Inventors: Hyeon Bum LEE, Jin Ho JU
  • Publication number: 20230292573
    Abstract: A light emitting display device includes a display panel including a display area and a photosensor area surrounded by the display area; and an infrared sensor positioned on a rear surface of the photosensor area, wherein the display area includes a pixel definition layer having an opening overlapping an anode; a cathode covering the pixel definition layer; an encapsulation layer positioned on the cathode; and a light blocking layer positioned on the encapsulation layer and having an opening overlapping the opening of the pixel definition layer, wherein the photosensor area overlaps an overlapping portion of the light blocking layer, the pixel definition layer has an additional opening corresponding to the photosensor area such that the pixel definition layer is not formed in the photosensor area, and the photosensor area further includes an additional spacer positioned within the additional opening of the pixel definition layer.
    Type: Application
    Filed: October 26, 2022
    Publication date: September 14, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyeon Bum LEE, Hye Kyung PARK
  • Publication number: 20230217717
    Abstract: A light emitting display device includes: a substrate; a first, a second, and a third conductive pattern on the substrate and extending in a first direction; an organic film covering the first, the second, and the third conductive pattern; an anode on the organic film; and a pixel defining layer having an opening overlapping the anode. The opening of the pixel defining layer overlaps the first, the second, and the third conductive pattern in a plan view. The first, the second, and the third conductive pattern are sequentially positioned in a second direction perpendicular to the first direction. In a portion overlapping the opening of the pixel defining layer in a plan view, a gap between the first conductive pattern and the second conductive pattern in the second direction and a gap between the second conductive pattern and the third conductive pattern in the second direction are the same.
    Type: Application
    Filed: August 3, 2022
    Publication date: July 6, 2023
    Inventors: Jun Hee LEE, Hyeon Bum LEE
  • Patent number: 11693502
    Abstract: A display device including: a display panel including first and second pixels a substrate; and a touch sensor on the display panel, wherein the touch sensor includes: sensor patterns on the display panel; bridge patterns connected to the sensor patterns; a first light blocking pattern on the sensor patterns, wherein the first light blocking pattern is provided for each of the first pixels, the first light blocking pattern including a first opening corresponding to an emission area of each of the first pixels; and a second light blocking pattern located under the first light blocking pattern, wherein the second light blocking pattern is provided for each of the first pixels, the second light blocking pattern including a second opening to correspond to the emission area of each of the first pixels, and wherein the first and second light blocking patterns have the same planar shape.
    Type: Grant
    Filed: June 9, 2022
    Date of Patent: July 4, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeon Bum Lee, Chi Wook An
  • Patent number: 11696479
    Abstract: An OLED display according to an exemplary embodiment includes: a substrate that includes a display area and a non-display area; a pixel circuit that is disposed in the display area; organic light emitting diodes and barrier ribs that are disposed on the pixel circuit; an encapsulation layer that covers the pixel circuit, the organic light emitting diodes, and the barrier ribs; and a color filter that is disposed on the encapsulation layer, wherein the encapsulation layer comprises an edge area that is adjacent to the non-display area in the display area and a center area not directly adjacent to the non-display area and having the edge area disposed therebetween, the color filter comprises a first color filter, a second color filter, a third color filter, and color filter overlapped portions where the first color filter, the second color filter, and the third color filter are overlapped, and the color filter overlapped portions are disposed in areas where the barrier ribs are disposed, and a thickness of the
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: July 4, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyeon Bum Lee, Jin Ho Ju
  • Publication number: 20230200125
    Abstract: A display device comprises a display part including a light emitting element disposed in a plurality of emission areas to emit light, a plurality of touch electrodes disposed in a light blocking area surrounding the plurality of emission areas on the display part to sense a touch, a first light blocking part disposed in a part of the light blocking area on the plurality of touch electrodes, a second light blocking part disposed in another part of the light blocking area on the plurality of touch electrodes, and a code pattern determined by a planar shape of the second light blocking part to have position information. The first light blocking part comprises one of an inorganic black pigment and an organic black pigment, and the second light blocking part comprises the other of the inorganic black pigment and the organic black pigment.
    Type: Application
    Filed: November 15, 2022
    Publication date: June 22, 2023
    Applicant: Samsung Display Co., LTD.
    Inventor: Hyeon Bum LEE