Patents by Inventor Young-Sang HA

Young-Sang HA 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: 12126789
    Abstract: A display device includes a display panel, and a lens array disposed on a surface of the display panel. The lens array includes a plurality of lenses and a light transmission characteristic control layer disposed on a valley of each of the lenses. The light transmission characteristic control layer includes a light absorbing material. A stacked thickness of the light transmission characteristic control layer is smaller than a height of each of the lenses.
    Type: Grant
    Filed: December 20, 2022
    Date of Patent: October 22, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeong Woo Park, Beom Shik Kim, Young Chan Kim, Su Bin Jung, Young Sang Ha
  • Publication number: 20240333905
    Abstract: A tiled display device includes tiled display panels arranged in a first direction and a second direction crossing the first direction. Each of the tiled display panels include a display unit outputting a portion of a divided image and a lens array disposed on the display unit to refract the divided image. The tiled display device further includes movement members, or adjusters, connected to respective ones of the tiled display panels, and a processor configured to control the movement members. The movement members independently move the tiled display panels in a third direction crossing the first and second directions, respectively.
    Type: Application
    Filed: January 8, 2024
    Publication date: October 3, 2024
    Inventor: Young Sang HA
  • Publication number: 20240250225
    Abstract: A display device includes a display panel including sub-pixels arranged in a first direction and a second direction perpendicular to the first direction, and including light emitting surfaces in a third direction perpendicular to the first direction and the second direction, and lenses that overlap the sub-pixels in the third direction and to have a long side having an angle greater than 0 degree with respect to the second direction. A first lens includes a first curved surface and a first side surface connected to one edge of the first curved surface. A second lens includes a second curved surface and a second side surface connected to one edge of the second curved surface. The first lens and the second lens share a common lower surface. A flat surface connects the first side surface and the second side surface and extends parallel to the common lower surface.
    Type: Application
    Filed: November 24, 2023
    Publication date: July 25, 2024
    Inventors: Jeong Woo Park, Beom Shik Kim, Rang Kyun Mok, Byeong Hee Won, Young Sang Ha
  • Publication number: 20240214546
    Abstract: A display device includes a display panel having a plurality of sub-pixels, an optical member on the display panel, and a display driver configured to drive the display panel to display a test image on the display panel, and upon receiving a correction coefficient for each of a plurality of viewpoints of the display panel based on the display of the test image, to correct image data using the correction coefficient for each of the plurality of viewpoints.
    Type: Application
    Filed: October 30, 2023
    Publication date: June 27, 2024
    Inventor: YOUNG SANG HA
  • Publication number: 20240214550
    Abstract: A display device comprises a display panel comprising a plurality of sub-pixels. An optical member is attached to the display panel. The optical member includes stereoscopic lenses. A display driver receives a correction coefficient for each view point of the display panel from a test apparatus for the display panel. The display driver corrects image data for each view point using the correction coefficient for each view point and drives the display panel so that an image associated with the corrected image data is displayed in a display area.
    Type: Application
    Filed: October 20, 2023
    Publication date: June 27, 2024
    Inventors: Young Min PARK, O Jun KWON, Jin SEO, A Ree SONG, Eun Jung LEE, Ha Young LEE, Young Sang HA
  • Patent number: 11994697
    Abstract: A display device includes: a display panel including an active region, an inactive region disposed adjacent to the active region, and a first alignment mark, wherein a plurality of sub-pixels are disposed in the active region, and the first alignment mark is positioned at a first distance in a first direction from an alignment reference pixel disposed adjacent to a boundary of the active region; and an optical member including a plurality of lenses and a second alignment mark, wherein the plurality of lenses are disposed to be inclined at a first angle with respect to a direction in which the plurality of sub-pixels are arranged, and wherein the second alignment mark is positioned at the first distance in the first direction from the alignment reference pixel and is positioned at a second distance in a second direction, crossing the first direction, from the first alignment mark.
    Type: Grant
    Filed: October 6, 2021
    Date of Patent: May 28, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeong Woo Park, Jae Joong Kwon, Beom Shik Kim, Young Sang Ha
  • Publication number: 20230421748
    Abstract: A display device includes: a display panel displaying a three-dimensional (3D) image in a first mode and displaying a two-dimensional (2D) image in a second mode; a switchable lens layer disposed on the display panel and including a resin; a resin supply part connected to the switchable lens layer and supplying the resin to the switchable lens layer; and a magnetic field generator applying a magnetic field to the resin supply part when in the second mode, wherein the resin moves from the resin supply part to the switchable lens layer when in the first mode and is stored in the resin supply part when in the second mode.
    Type: Application
    Filed: April 5, 2023
    Publication date: December 28, 2023
    Inventor: Young Sang HA
  • Publication number: 20230408246
    Abstract: An apparatus for measuring a depth of a three-dimensional (3D) object includes a control unit generating the 3D object by adjusting parameters of a 3D pattern. A 3D display unit displays the 3D object with a preset depth. An input unit generates an input signal based on an input received from a user. A rail extends in a front and a rear of the 3D display unit. A moving body is movable on the rail. Movement of the moving body is adjusted based on the input signal. A distance sensor measures a distance to the moving body.
    Type: Application
    Filed: March 28, 2023
    Publication date: December 21, 2023
    Inventors: Young Sang HA, Ju Hyeong LEE, Sung Jun JOO, Beom Shik KIM, Young Chan KIM
  • Publication number: 20230336705
    Abstract: A display device includes a display panel that includes pixels that emit light to a front surface of the display panel, a lens array that extends in a first direction and includes lens elements arranged in a second direction perpendicular to the first direction, and a roller that moves the lens array in the second direction. Each of the lens elements includes a support body that extends in the first direction, and a lens body that includes a lower portion in contact with the support body and a convex upper portion, and support bodies of the lens elements are separated from each other.
    Type: Application
    Filed: February 22, 2023
    Publication date: October 19, 2023
    Inventors: YOUNG SANG HA, Beom Shik KIM
  • Patent number: 11782289
    Abstract: A display module includes a display panel having a plurality of pixels and a display driver configured to drive a partial portion of the plurality of pixels that are positioned in an alignment mark area to display an alignment mark in the alignment mark area. A stereoscopic lens including a base is disposed on the display module. A plurality of lenses is disposed on the base and includes at least one flat portion surrounded by the plurality of lenses and overlapping the alignment mark area.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: October 10, 2023
    Assignees: SAMSUNG DISPLAY CO., LTD., JASTECH
    Inventors: Jeong Woo Park, Jae Joong Kwon, Beom Shik Kim, Jin Cheol Seo, Young Sang Ha, Joo Young Oh, Jae You Yi
  • Publication number: 20230283760
    Abstract: A display device includes a display panel, and a lens array disposed on a surface of the display panel. The lens array includes a plurality of lenses and a light transmission characteristic control layer disposed on a valley of each of the lenses. The light transmission characteristic control layer includes a light absorbing material. A stacked thickness of the light transmission characteristic control layer is smaller than a height of each of the lenses.
    Type: Application
    Filed: December 20, 2022
    Publication date: September 7, 2023
    Inventors: Jeong Woo Park, Beom Shik Kim, Young Chan Kim, Su Bin Jung, Young Sang Ha
  • Publication number: 20230173801
    Abstract: A method of manufacturing a stereoscopic image display device includes forming a groove by etching an edge portion of a rear surface of a lens array substrate, depositing a sticky material layer in the groove, disposed a transparent adhesive layer that differs from the sticky material layer onto a top surface of a display panel, aligning the lens array substrate and the display panel by using a camera, and joining the display panel and the lens array substrate by using the transparent adhesive layer.
    Type: Application
    Filed: October 6, 2022
    Publication date: June 8, 2023
    Inventors: YOUNG SANG HA, Jeong Woo Park
  • Patent number: 11553171
    Abstract: A light field display device includes: a display module; an optical coupler emitting a third image obtained by combining a first image and a second image, and including a first surface, a second surface and an emission surface emitting the third image, wherein the first image is emitted from the display module and is incident on the first surface, wherein the second image is incident on the second surface; and a controller configured to generate image data based on 3D modeling data and provide the image data to the display module. The optical coupler includes: an optical waveguide including the first, second and emission surfaces, and a third surface; a beam splitter in the optical waveguide; and a concave mirror adjacent to the third surface of the optical waveguide, and wherein the controller moves the concave mirror in correspondence with depth information included in the 3D modeling data.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: January 10, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Rang Kyun Mok, Jae Joong Kwon, Beom Shik Kim, Jeong Woo Park, Su Bin Jung, Hyun Jin Cho, Young Sang Ha
  • Patent number: 11418774
    Abstract: Provided is a display device. The display device comprises: a display module including a display panel, wherein the display panel includes a display area having a plurality of pixels and an alignment mark area surrounded by the display area, and a display driver driving at least one of the plurality of pixels in the alignment mark area to form an alignment mark; and a stereoscopic lens including a base disposed on the display module, a plurality of lenses disposed on the base at an angle offset from a side of the display module, and a marking portion formed on one or more of the plurality of lenses to overlap the alignment mark area.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: August 16, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Sang Ha, Jeong Woo Park
  • Publication number: 20220221803
    Abstract: A display device includes: an optical member including a plurality of lenses and a first alignment mark disposed to overlap at least one lens of the plurality of lenses; and a display panel including a plurality of subpixels and a second alignment mark disposed between the plurality of subpixels and overlapping the first alignment mark, wherein each of the first alignment mark and the second alignment mark includes a magnetic substance.
    Type: Application
    Filed: September 13, 2021
    Publication date: July 14, 2022
    Inventor: Young Sang HA
  • Publication number: 20220197054
    Abstract: A display device includes: a display panel including an active region, an inactive region disposed adjacent to the active region, and a first alignment mark, wherein a plurality of sub-pixels are disposed in the active region, and the first alignment mark is positioned at a first distance in a first direction from an alignment reference pixel disposed adjacent to a boundary of the active region; and an optical member including a plurality of lenses and a second alignment mark, wherein the plurality of lenses are disposed to be inclined at a first angle with respect to a direction in which the plurality of sub-pixels are arranged, and wherein the second alignment mark is positioned at the first distance in the first direction from the alignment reference pixel and is positioned at a second distance in a second direction, crossing the first direction, from the first alignment mark.
    Type: Application
    Filed: October 6, 2021
    Publication date: June 23, 2022
    Inventors: Jeong Woo Park, Jae Joong Kwon, Beom Shik Kim, Young Sang Ha
  • Publication number: 20220078398
    Abstract: A light field display device includes: a display module; an optical coupler emitting a third image obtained by combining a first image and a second image, and including a first surface, a second surface and an emission surface emitting the third image, wherein the first image is emitted from the display module and is incident on the first surface, wherein the second image is incident on the second surface; and a controller configured to generate image data based on 3D modeling data and provide the image data to the display module. The optical coupler includes: an optical waveguide including the first, second and emission surfaces, and a third surface; a beam splitter in the optical waveguide; and a concave mirror adjacent to the third surface of the optical waveguide, and wherein the controller moves the concave mirror in correspondence with depth information included in the 3D modeling data.
    Type: Application
    Filed: June 15, 2021
    Publication date: March 10, 2022
    Inventors: Rang Kyun MOK, Jae Joong KWON, Beom Shik KIM, Jeong Woo PARK, Su Bin JUNG, Hyun Jin CHO, Young Sang HA
  • Publication number: 20210400254
    Abstract: Provided is a display device. The display device comprises: a display module including a display panel, wherein the display panel includes a display area having a plurality of pixels and an alignment mark area surrounded by the display area, and a display driver driving at least one of the plurality of pixels in the alignment mark area to form an alignment mark; and a stereoscopic lens including a base disposed on the display module, a plurality of lenses disposed on the base at an angle offset from a side of the display module, and a marking portion formed on one or more of the plurality of lenses to overlap the alignment mark area.
    Type: Application
    Filed: June 21, 2021
    Publication date: December 23, 2021
    Inventors: YOUNG SANG HA, Jeong Woo PARK
  • Publication number: 20210286194
    Abstract: A display module includes a display panel having a plurality of pixels and a display driver configured to drive a partial portion of the plurality of pixels that are positioned in an alignment mark area to display an alignment mark in the alignment mark area. A stereoscopic lens including a base is disposed on the display module. A plurality of lenses is disposed on the base and includes at least one flat portion surrounded by the plurality of lenses and overlapping the alignment mark area.
    Type: Application
    Filed: March 9, 2021
    Publication date: September 16, 2021
    Inventors: Jeong Woo PARK, Jae Joong KWON, Beom Shik KIM, Jin Cheol SEO, Young Sang HA, Joo Young OH, Jae You YI
  • Patent number: 10354616
    Abstract: A display device includes a display unit including a plurality of pixels to display a display image, a luminance detector to detect luminance of an image on the display unit, and a display driver. The display divider is to divide the display unit into image areas symmetrical to each other and to adjust a luminance of an image area having a relatively lower luminance value among the image areas symmetrical to each other based on a luminance detection result.
    Type: Grant
    Filed: May 3, 2017
    Date of Patent: July 16, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Su Mi Lee, Sang Ho Kim, Jong Ho Chong, Young Sang Ha