Patents Assigned to Tovis Co., Ltd.
  • Patent number: 12170285
    Abstract: Provided is a display device.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: December 17, 2024
    Assignee: TOVIS CO., LTD.
    Inventor: Yong Min Park
  • Patent number: 12114448
    Abstract: A device for varying the shape of a display panel includes: a variable case in which a flexible display panel is installed, the variable case having a variable shape that can be changed in order to change the shape of the display panel; and a driving unit for driving the variable case. The variable case includes: a first curved accommodation portion by which one end of the display panel is bent into a curved surface and fixed; a second curved accommodation portion by which the other end of the display panel is bent into a curved surface and fixed so that the one end and other end of the display panel form a single curved surface; and a hinge portion which rotatably connects the first curved accommodation portion and the second curved accommodation portion.
    Type: Grant
    Filed: January 11, 2021
    Date of Patent: October 8, 2024
    Assignee: TOVIS CO., LTD.
    Inventor: Chang Min Oh
  • Patent number: 12106912
    Abstract: Provided is a button complex structure including: a display panel including a first substrate, a second substrate on the first substrate, and a liquid crystal layer between the first substrate and the second substrate; a member on the second substrate; a first coupling member coupling the display panel and one surface of the member; a button structure disposed on the other surface that is opposite to the one surface of the member; and a second coupling member coupling the other surface of the member and the button structure, wherein the member includes a third substrate and a touch layer on the third substrate, the touch layer includes the one surface of the member, the touch layer is coupled to the display panel by the first coupling member, the button structure is directly coupled to the third substrate by the second coupling member, and the button structure includes a transparent conductive material.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: October 1, 2024
    Assignee: TOVIS CO., LTD.
    Inventors: Yong Beom Kim, Joon Seog Kim
  • Patent number: 12094664
    Abstract: A button composite structure according to an embodiment includes a display panel including a first substrate, a second substrate on the first substrate, and a liquid crystal layer between the first substrate and the second substrate, a member on the second substrate, a first coupling member that couples the display panel and one surface of the member, a button structure disposed on the other surface opposite to the one surface of the member, and a second coupling member that couples the other surface of the member and the button structure. The member includes a third substrate, and the button structure is directly coupled to the third substrate by the second coupling member.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: September 17, 2024
    Assignee: TOVIS CO., LTD.
    Inventors: Yong Beom Kim, Joon Seog Kim
  • Patent number: 12086497
    Abstract: A display device of the present invention includes: a first display unit that displays an image in a first display mode; a second display unit that displays an image in a second display mode different from the first display mode; and a control unit that controls operations of the first display unit, and the second display unit in accordance with a preset control condition.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: September 10, 2024
    Assignee: TOVIS CO., LTD.
    Inventor: Yong Beom Kim
  • Patent number: 12085806
    Abstract: The present invention relates to a light guide plate including a plurality of cutting areas, the light guide plate capable of solving the problem of brightness degradation between the plurality of cutting areas by attaching a predetermined member, which is reactive to light, to at least one of the inner sides of the cutting areas.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: September 10, 2024
    Assignee: TOVIS CO., LTD.
    Inventor: Chang Min Oh
  • Publication number: 20240192546
    Abstract: A method of manufacturing a back light unit of a curved display device according to a technical aspect of the present invention is a method of manufacturing a back light unit applied to a curved display device and comprises the steps of preparing the development shape of a bottom chassis, forming a reinforcing structure on a flat plate of the development shape by roll-forming the flat plate of the development shape, bending an edge of the development shape so that an edge portion of the bottom chassis is formed to stand up on the edge of the bottom chassis, and curving the flat plate on which the reinforcing structure and the edge portion are formed to have a predetermined radius of curvature.
    Type: Application
    Filed: December 6, 2023
    Publication date: June 13, 2024
    Applicant: TOVIS CO., LTD.
    Inventors: Yong Taek KIM, Hwanjin KIM
  • Patent number: 12007634
    Abstract: Provided are a display device and a fabrication method thereof. The display device includes a first substrate and a second substrate having one surface opposite to one surface of the first substrate. The first substrate includes a first-one portion that overlaps the second substrate in a thickness direction and a first-two portion that does not overlap the second substrate. The second substrate includes a second portion that overlaps the first substrate in the thickness direction. The first-two portion has a greater thickness than the first-one portion. The second portion includes a second-one portion that overlaps the first-one portion in the thickness direction and a second-two portion disposed between the second-one portion and the first-two portion in a plan view. The second-two portion has a greater thickness than the second-one portion. The second-two portion is disposed so as not to overlap the first-two portion in the thickness direction.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: June 11, 2024
    Assignee: TOVIS CO., LTD.
    Inventors: Yong Min Park, In Suk Lee, Won Gyu Lee, Eun Sung Kim
  • Patent number: 11978362
    Abstract: A transparent display device using rotation-based persistence of vision includes: an opaque display unit that displays first images; a transparent display unit that includes image display bars, which are positioned outside the opaque display unit and on each of which a plurality of light emitting elements are mounted, and a display bar driving unit which rotates the image display bars, the transparent display unit displaying second images which are viewed to overlap the first images by persistence of vision based on rotation of the image display bars; and a display casing that accommodates both the opaque and transparent display units in a state where the transparent display unit is positioned outside the opaque display unit, the display casing having a sight window through which the first images and the second images are viewed at a preset region.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: May 7, 2024
    Assignee: TOVIS CO., LTD.
    Inventor: Seung Bum Cho
  • Patent number: 11822174
    Abstract: A button complex structure according to one embodiment of solving the aspect may include: a display panel including a first substrate, a second substrate on the first substrate, and a liquid crystal layer between the first substrate and the second substrate; a member on the second substrate; a first coupling member configured to couple the display panel to one surface of the member; a button structure disposed on the other surface opposite to the one surface of the member; and a second coupling member configured to couple the other surface of the member to the button structure, wherein the member includes a third substrate and the button structure is directly coupled to the third substrate via the second coupling member, wherein the button structure includes a button body fixed to the third substrate, a button circuit unit fastened to the button body, a button connected to the button circuit unit, and further includes a first communication unit disposed between the member and the display panel and a second co
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: November 21, 2023
    Assignee: TOVIS CO., LTD.
    Inventors: Yong Beom Kim, Joon Seog Kim
  • Publication number: 20230185130
    Abstract: The present invention relates to a light guide plate including a plurality of cutting areas, the light guide plate capable of solving the problem of brightness degradation between the plurality of cutting areas by attaching a predetermined member, which is reactive to light, to at least one of the inner sides of the cutting areas.
    Type: Application
    Filed: April 28, 2021
    Publication date: June 15, 2023
    Applicant: TOVIS CO., LTD.
    Inventor: Chang Min OH
  • Patent number: 11627304
    Abstract: A transparent display device includes an image display bar in which a plurality of light-emitting elements are arranged, and a bar driving unit which moves the image display bar along a predetermined path and provides transparent display using afterimages resulting from the movement of the light-emitting elements, wherein the transparency of the transparent display using afterimages is determined by the equation, transparency (%)=((A?B)/A)*100, where A denotes the entire display area of the transparent display, and B denotes the area of the image display bar.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: April 11, 2023
    Assignee: TOVIS CO., LTD.
    Inventor: Yong Beom Kim
  • Publication number: 20230072005
    Abstract: A device for varying the shape of a display panel includes: a variable case in which a flexible display panel is installed, the variable case having a variable shape that can be changed in order to change the shape of the display panel; and a driving unit for driving the variable case. The variable case includes: a first curved accommodation portion by which one end of the display panel is bent into a curved surface and fixed; a second curved accommodation portion by which the other end of the display panel is bent into a curved surface and fixed so that the one end and other end of the display panel form a single curved surface; and a hinge portion which rotatably connects the first curved accommodation portion and the second curved accommodation portion.
    Type: Application
    Filed: January 11, 2021
    Publication date: March 9, 2023
    Applicant: TOVIS CO., LTD.
    Inventor: Chang Min OH
  • Publication number: 20220376021
    Abstract: A double-sided organic light-emitting display device includes: a first electrode layer for emitting electrons; a second electrode layer which emits holes and is disposed perpendicularly to the first electrode layer; an organic light-emitting layer interposed between the first electrode layer and the second electrode layer, and including multiple pixels so as to emit light at a portion where the first electrode layer and the second electrode layer intersect with each other, by the collision between the electrons and the holes; and a reflector unit formed in an arbitrary pattern which reflects, in the opposite direction, light transmitted through the first or the second electrode layer, or a pattern reversed with respect to the arbitrary pattern, such that the multiple pixels display a first image on one surface in the arbitrary pattern, and display a second image on the other surface in the pattern reversed with respect to the arbitrary pattern.
    Type: Application
    Filed: December 10, 2020
    Publication date: November 24, 2022
    Applicant: TOVIS CO., LTD.
    Inventor: Won Gyu LEE
  • Publication number: 20220276821
    Abstract: A display device of the present invention includes: a first display unit that displays an image in a first display mode; a second display unit that displays an image in a second display mode different from the first display mode; and a control unit that controls operations of the first display unit, and the second display unit in accordance with a preset control condition.
    Type: Application
    Filed: July 17, 2020
    Publication date: September 1, 2022
    Applicant: TOVIS CO., LTD.
    Inventor: Yong Beom KIM
  • Publication number: 20220277671
    Abstract: A transparent display device using rotation-based persistence of vision includes: an opaque display unit that displays first images; a transparent display unit that includes image display bars, which are positioned outside the opaque display unit and on each of which a plurality of light emitting elements are mounted, and a display bar driving unit which rotates the image display bars, the transparent display unit displaying second images which are viewed to overlap the first images by persistence of vision based on rotation of the image display bars; and a display casing that accommodates both the opaque and transparent display units in a state where the transparent display unit is positioned outside the opaque display unit, the display casing having a sight window through which the first images and the second images are viewed at a preset region.
    Type: Application
    Filed: July 17, 2020
    Publication date: September 1, 2022
    Applicant: TOVIS CO., LTD.
    Inventor: Seung Bum CHO
  • Patent number: 11183533
    Abstract: A method of manufacturing a curved-surface detector includes: slimming a sensor substrate having photoelectric devices arranged therein to a predetermined thickness; seating the sensor substrate slimmed to the predetermined thickness on a jig curved so as to have a curved-surface shape such that the sensor substrate is curved so as to have a curved-surface shape; and joining a flexible scintillator substrate configured to emit light when being struck by radiation to an upper surface of the sensor substrate such that curvature of the sensor substrate curved so as to have a curved-surface shape by the jig is maintained.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: November 23, 2021
    Assignee: TOVIS CO., LTD.
    Inventor: Yong Beom Kim
  • Patent number: 11099414
    Abstract: A method of manufacturing a curved display panel, includes: polishing a portion of the flat display panel that is to form a protrusion, which protrudes in order to protect a portion, to which a drive circuit board is attached, through mechanical polishing so as to have a preset thickness; installing a sealing member, which protects the flat display panel, polished in the polishing, from an etchant by surrounding both the portion that is to form the protrusion and the drive circuit board; and etching an entirety of both surfaces of the flat display panel using the etchant, excluding a portion on which the sealing member is provided, so that the flat display panel, having the sealing member installed in the installing, has a thickness smaller than a thickness of the protrusion.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: August 24, 2021
    Assignee: TOVIS CO., LTD.
    Inventors: Kyung Ha Lee, Yong Beom Kim, In Suk Lee
  • Publication number: 20210235069
    Abstract: A transparent display device includes an image display bar in which a plurality of light-emitting elements are arranged, and a bar driving unit which moves the image display bar along a predetermined path and provides transparent display using afterimages resulting from the movement of the light-emitting elements, wherein the transparency of the transparent display using afterimages is determined by the equation, transparency (%)=((A?B)/A)*100, where A denotes the entire display area of the transparent display, and B denotes the area of the image display bar.
    Type: Application
    Filed: July 29, 2019
    Publication date: July 29, 2021
    Applicant: TOVIS CO., LTD.
    Inventor: Yong Beom KIM
  • Patent number: 11023062
    Abstract: A bezel-less touch screen apparatus includes: a display panel for displaying an image; and a touch sheet superposed on the display panel, for generating an input signal by a touch by an operator, wherein the touch sheet includes: a touch area for generating a touch signal, the touch area being located on an image display area of the display panel, in which an image is displayed; and a side surface attachment part on which signal electrodes are gathered from the edge of the touch area and connected to a controller and that is bent and attached to the side surfaces of the display panel so as to not protrude over the edge of the display panel. Therefore, the bezel width can be minimized.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: June 1, 2021
    Assignee: TOVIS CO., LTD.
    Inventors: Yong Beom Kim, In Su Park