Patents by Inventor Sung-Kook Park

Sung-Kook Park 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: 20220158038
    Abstract: A display device includes: a substrate; a transparent electrode on one surface of the substrate; a reflective electrode on the transparent electrode; a transistor on the reflective electrode; and a light emitting element between the transparent electrode and the reflective electrode. The transistor overlaps the light emitting element.
    Type: Application
    Filed: October 4, 2021
    Publication date: May 19, 2022
    Inventors: Hyung Il JEON, Min Woo KIM, Sung Kook PARK, Dae Ho SONG, Byung Choon YANG, Jin Woo CHOI
  • Patent number: 11320925
    Abstract: A display device includes a display panel and a force sensor. The force sensor is disposed adjacent to a first edge of the display panel and extends along the first edge. The force sensor includes a first sensing region, a second sensing region, a first force concentration bump, and a second force concentration bump. The second sensing region is located on a side of the first sensing region and has a larger area than the first sensing region. The first force concentration bump overlaps the first sensing region. The second force concentration bump overlaps the second sensing region and is spaced apart from the first force concentration bump.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: May 3, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won Ki Hong, Sung Kook Park, Hee Seomoon, Tae Hee Lee
  • Publication number: 20220057286
    Abstract: A test apparatus includes: a stage having a planar surface extending in a first direction and a second direction crossing the first direction; a mounting portion that is disposed on the stage to place a test member thereon; an angle adjusting portion adjusting a first angle of the mounting portion to incline the mounting portion with respect to the planar surface of the stage; and a pressing guide disposed on the stage and moving a pressing member in the first direction, the second direction, and a third direction normal to the planar surface of the stage.
    Type: Application
    Filed: November 5, 2021
    Publication date: February 24, 2022
    Inventors: Tae Hee LEE, Sung Kook PARK, So Hee PARK, Hee SEOMOON, Won Ki HONG
  • Publication number: 20220027007
    Abstract: A force sensor includes first and second substrates. The second substrate faces the first substrate. A driving electrode is disposed on a first surface of the first substrate facing the second substrate. A sensing electrode is disposed on the first surface of the first substrate and is spaced apart from the driving electrode. A force sensitive layer is disposed on a first surface of the second substrate, facing the first substrate. The driving electrode includes a main driving protrusion that protrudes from a side surface of the driving electrode, facing the sensing electrode.
    Type: Application
    Filed: October 5, 2021
    Publication date: January 27, 2022
    Inventors: WON KI HONG, SUNG KOOK PARK, SO HEE PARK, HEE SEOMOON, YOUNG SEOK SEO, TAE HEE LEE
  • Patent number: 11215522
    Abstract: A test apparatus includes: a stage having a planar surface extending in a first direction and a second direction crossing the first direction; a mounting portion that is disposed on the stage to place a test member thereon; an angle adjusting portion adjusting a first angle of the mounting portion to incline the mounting portion with respect to the planar surface of the stage; and a pressing guide disposed on the stage and moving a pressing member in the first direction, the second direction, and a third direction normal to the planar surface of the stage.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: January 4, 2022
    Inventors: Tae Hee Lee, Sung Kook Park, So Hee Park, Hee Seomoon, Won Ki Hong
  • Patent number: 11216177
    Abstract: An electronic device comprises a touch display that includes an edge portion on at least one side thereof, a sensor unit that includes a first pressure sensor disposed in a first sensing area of the edge portion and a second pressure sensor disposed in a second sensing area of the edge portion, and a control unit that displays a first user interface on the touch display in response to a first input signal that exceeds a predetermined pressure value being detected via at least one of the first or second pressure sensors and that performs a first action in response to a second input signal that exceeds a predetermined pressure value being detected via at least one of the first or second pressure sensors.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: January 4, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hee Seomoon, Won Ki Hong, Sung Kook Park, Tae Hee Lee
  • Publication number: 20210384474
    Abstract: An organic light-emitting display device includes: a substrate; a first organic light-emitting layer disposed on the substrate; a pixel defining film disposed on the first organic light-emitting layer and having a first opening, which at least partially exposes the first organic light-emitting layer; and an optical path converter disposed on the pixel defining film to overlap with the first organic light-emitting layer and including a first optical path converting member, which has a first refractive index, and a second optical path converting member, which has a second refractive index that is lower than the first refractive index.
    Type: Application
    Filed: August 19, 2021
    Publication date: December 9, 2021
    Inventors: Suk Kim, Gee Bum Kim, Sung Kook Park
  • Publication number: 20210349568
    Abstract: A display device including a display panel; a pressure sensor disposed under the display panel and including a first protrusion at one side thereof; and a waterproofing member disposed under the display panel and including a first accommodation portion at one side thereof facing the one side. The protrusion of the pressure sensor is disposed to face the first accommodation portion of the waterproofing member, and the first protrusion is inserted in the first accommodation portion.
    Type: Application
    Filed: July 19, 2021
    Publication date: November 11, 2021
    Inventors: Sung Kook PARK, So Hee PARK, Hee SEOMOON, Tae Hee LEE, Won Ki HONG
  • Patent number: 11169568
    Abstract: A display device includes a display panel, a middle frame, and a first pressure sensor. The middle frame is disposed under the display panel. The middle frame includes a first accommodating groove extending along a first long side of the display panel. The first pressure sensor is disposed in the first accommodating groove.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: November 9, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Hee Lee, Sung Kook Park, So Hee Park, Hee Seomoon, Won Ki Hong
  • Patent number: 11171184
    Abstract: A display device includes: a display panel; a first force sensor disposed below the display panel; a display circuit board attached to a first side of the display panel; and a first flexible circuit board connecting the first force sensor and the display circuit board, wherein the display circuit board and the first flexible circuit board are bent at least once.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: November 9, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Hee Lee, Sung Kook Park, So Hee Park, Hee Seomoon, Won Ki Hong
  • Patent number: 11163374
    Abstract: A display device includes: a display panel; a conductive sheet disposed below the display panel; a force concentration bump disposed below the conductive sheet and disposed adjacent to a first edge of the display panel; and a force sensor disposed below the conductive sheet, extending in a first direction along the first edge of the display panel, the force sensor includes a sensing region, wherein the force concentration bump overlaps the sensing region, and the force concentration bump and the conductive sheet are made of a same material.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: November 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Kook Park, So Hee Park, Hee Seomoon, Bong Hyun You, Tae Hee Lee, Won Ki Hong
  • Publication number: 20210327857
    Abstract: A display device includes a substrate including a display unit incuding a plurality of pixels and a protrusion protruding from an edge of the display unit, the plurality of pixels including a first pixel on an outermost region of the display unit and a second pixel adjacent to the first pixel; a driver on the protrusion; and a fan-out line to electrically connect the first pixel and the driver, wherein at least a portion of the fan-out line is on the display unit between the first pixel and the second pixel in a plan view.
    Type: Application
    Filed: January 25, 2021
    Publication date: October 21, 2021
    Inventors: Xinxing LI, Sung Kook PARK, Kang Young LEE, Hyun Min CHO, Chang Il TAE
  • Patent number: 11137850
    Abstract: A force sensor includes first and second substrates. The second substrate faces the first substrate. A driving electrode is disposed on a first surface of the first substrate facing the second substrate. A sensing electrode is disposed on the first surface of the first substrate and is spaced apart from the driving electrode. A three sensitive layer is disposed on a first surface of the second substrate, facing the first substrate. The driving electrode includes a main driving protrusion that protrudes from a side surface of the driving electrode, facing the sensing electrode.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: October 5, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won Ki Hong, Sung Kook Park, So Hee Park, Hee Seomoon, Young Seok Seo, Tae Hee Lee
  • Publication number: 20210271366
    Abstract: A display device including a first pressure sensor disposed under a display panel that includes an upper surface, a first upper curved portion extended from a first edge of the upper surface, and a first side surface extended from the first upper curved portion. The first pressure sensor is disposed in the first upper curved portion.
    Type: Application
    Filed: April 27, 2021
    Publication date: September 2, 2021
    Inventors: Hee SEOMOON, Won Ki HONG, Sung Kook PARK, So Hee PARK, Tae Hee LEE
  • Patent number: 11101449
    Abstract: An organic light-emitting display device includes: a substrate; a first organic light-emitting layer disposed on the substrate; a pixel defining film disposed on the first organic light-emitting layer and having a first opening, which at least partially exposes the first organic light-emitting layer; and an optical path converter disposed on the pixel defining film to overlap with the first organic light-emitting layer and including a first optical path converting member, which has a first refractive index, and a second optical path converting member, which has a second refractive index that is lower than the first refractive index.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: August 24, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Suk Kim, Gee Bum Kim, Sung Kook Park
  • Patent number: 11086438
    Abstract: A display device including a display panel; a pressure sensor disposed under the display panel and including a first protrusion at one side thereof; and a waterproofing member disposed under the display panel and including a first accommodation portion at one side thereof facing the one side. The protrusion of the pressure sensor is disposed to face the first accommodation portion of the waterproofing member, and the first protrusion is inserted in the first accommodation portion.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: August 10, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Kook Park, So Hee Park, Hee Seomoon, Tae Hee Lee, Won Ki Hong
  • Publication number: 20210216160
    Abstract: A display device includes: a display panel; an input sensing panel; a display flexible circuit board to control the display panel having an input sensing driving circuit electrically connected to the input sensing panel, the display flexible circuit board being connected to the display panel; and a first pressure sensor disposed adjacent to and extending along a first edge of the display panel, wherein the first pressure sensor is electrically connected to the input sensing driving circuit of the display flexible circuit board.
    Type: Application
    Filed: March 29, 2021
    Publication date: July 15, 2021
    Inventors: Tae Hee Lee, Sung Kook Park, So Hee Park, Hee Seomoon, Won Ki Hong
  • Publication number: 20210184179
    Abstract: A display device includes a substrate. A first electrode is disposed on the substrate. A pixel definition layer is disposed on the substrate. A second electrode is disposed on the first electrode and the pixel definition layer. An organic emission layer is disposed between the first electrode and the second electrode. A planarization layer is disposed on the second electrode. A low refractive index layer is disposed on the planarization layer and overlaps the pixel definition layer. A high refractive index layer is disposed on the planarization layer and overlaps the second electrode. The high refractive index layer has a higher refractive index than that of the low refractive index layer.
    Type: Application
    Filed: March 1, 2021
    Publication date: June 17, 2021
    Inventors: Suk Kim, Gee-Bum Kim, Sung Kook Park
  • Patent number: 11036298
    Abstract: A display device including a display panel; a first force sensor and a second force sensor disposed below the display panel; and a first vibration generator and a second vibration generator disposed below the display panel. The first vibration generator vibrates when a force is applied to the first force sensor, and the second vibration generator vibrates when a force is applied to the second force sensor. The vibration of the first vibration generator is different from the vibration of the second vibration generator.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: June 15, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee Seomoon, Won Ki Hong, Sung Kook Park, So Hee Park, Tae Hee Lee
  • Patent number: D930676
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: September 14, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee Seomoon, Sung Kook Park, So Hee Park, Tae Hee Lee, Won Ki Hong