Patents by Inventor Bumhee HAN

Bumhee HAN 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: 12058914
    Abstract: A display device includes light emitting elements in an active area and each light emitting element includes an anode, a light emitting layer, and a cathode; signal lines in a non-active area outside the active area; an encapsulation unit on the light emitting elements and the signal lines; touch electrodes on the encapsulation unit in the active area; first lines on the encapsulation unit in the non-active area and electrically connected to the touch electrodes; a second line outside the first lines; first auxiliary lines under the first lines and respectively electrically connected to a part of the first lines through first electrodes; and a second auxiliary line under the second line and electrically connected to the second line through a second electrode. The cathode is on an entire surface of the active area and extends to a shielding area of the non-active area.
    Type: Grant
    Filed: November 17, 2022
    Date of Patent: August 6, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Bumhee Han, JiWon Kim, Sunggon Hong, MinSeob Song
  • Publication number: 20240244933
    Abstract: A display device and a method for manufacturing the same are disclosed. The display device includes a substrate which includes a display area including an optical area and a normal area and a non-display area. The display device further includes a plurality of light emitting diodes disposed on the substrate in the display area. The display device further includes an encapsulation layer disposed to cover the plurality of light emitting diodes. The display device further includes a touch sensing layer which is disposed on the encapsulation layer and includes a touch line. The display device further includes a passivation layer disposed to cover the touch line. The display device further includes an organic layer which is disposed to cover the touch sensing layer and the passivation layer and is in contact with the encapsulation layer.
    Type: Application
    Filed: December 20, 2023
    Publication date: July 18, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Bumhee HAN, JiWon KIM, MinSeob SONG
  • Publication number: 20240215329
    Abstract: A display device includes a substrate which includes a display area including a first optical area and a normal area and a non-display area, a planarization layer disposed on the substrate, a plurality of light emitting diodes disposed on the planarization layer and includes an anode, an emission layer, and a cathode, a bank disposed to cover an end of the anode on the planarization layer, an encapsulation unit disposed to cover the plurality of light emitting diodes and the bank, a touch sensing unit disposed on the encapsulation unit and includes a plurality of touch electrodes, and a plurality of shielding patterns disposed between the encapsulation unit and the plurality of touch electrodes in the first optical area. The first optical area includes a transmission area in which the cathode exposes the bank.
    Type: Application
    Filed: December 11, 2023
    Publication date: June 27, 2024
    Applicant: LG Display Co., Ltd
    Inventors: Bumhee HAN, JiWon KIM, MinSeob SONG
  • Patent number: 11935459
    Abstract: A display apparatus can include a display panel configured to display a black image and a real image, a gate driver configured to display gate signals to a plurality of gate lines provided in a display area of the display panel, and a controller configured to control the gate driver. Here, one-frame period for displaying the black image is shorter than one-frame period where the real image is displayed. Further, the gate driver can include a plurality of stages configured to supply the gate signals to the plurality of gate lines, and a plurality of dummy stages connected directly between the plurality of stages and the controller. In addition, gate start signals for driving the plurality of stages are supplied to the plurality of dummy stages by the controller.
    Type: Grant
    Filed: November 1, 2022
    Date of Patent: March 19, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: KeyYoung Yang, Jihoon Yu, Bumhee Han
  • Patent number: 11861094
    Abstract: A display device comprises a substrate including a display area having subpixels and a non-display area excluding the display area, an encapsulation layer that covers the subpixels, a first touch electrode line including a plurality of first touch sensing electrodes in a first direction on the encapsulation layer and spaced apart from each other in the first direction, a second touch electrode line in a same plane as the first touch electrode line and disposed in a second direction, a plurality of pads on one side of the substrate, a first touch routing wiring that connects some of the first touch electrode line and some pads among the plurality of pads and disposed between the plurality of first touch sensing electrodes in the second direction, and a second touch routing wiring that connects the second touch electrode line to some other pads among the plurality of pads.
    Type: Grant
    Filed: March 6, 2023
    Date of Patent: January 2, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Bumhee Han, JiWon Kim, MinSeob Song
  • Publication number: 20230376135
    Abstract: A display device comprises a substrate including a display area having subpixels and a non-display area excluding the display area, an encapsulation layer that covers the subpixels, a first touch electrode line including a plurality of first touch sensing electrodes in a first direction on the encapsulation layer and spaced apart from each other in the first direction, a second touch electrode line in a same plane as the first touch electrode line and disposed in a second direction, a plurality of pads on one side of the substrate, a first touch routing wiring that connects some of the first touch electrode line and some pads among the plurality of pads and disposed between the plurality of first touch sensing electrodes in the second direction, and a second touch routing wiring that connects the second touch electrode line to some other pads among the plurality of pads.
    Type: Application
    Filed: March 6, 2023
    Publication date: November 23, 2023
    Inventors: Bumhee Han, JiWon Kim, MinSeob Song
  • Publication number: 20230217778
    Abstract: A display device includes light emitting elements in an active area and each light emitting element includes an anode, a light emitting layer, and a cathode; signal lines in a non-active area outside the active area; an encapsulation unit on the light emitting elements and the signal lines; touch electrodes on the encapsulation unit in the active area; first lines on the encapsulation unit in the non-active area and electrically connected to the touch electrodes; a second line outside the first lines; first auxiliary lines under the first lines and respectively electrically connected to a part of the first lines through first electrodes; and a second auxiliary line under the second line and electrically connected to the second line through a second electrode. The cathode is on an entire surface of the active area and extends to a shielding area of the non-active area.
    Type: Application
    Filed: November 17, 2022
    Publication date: July 6, 2023
    Inventors: Bumhee Han, JiWon Kim, Sunggon Hong, MinSeob Song
  • Publication number: 20230059695
    Abstract: A display apparatus can include a display panel configured to display a black image and a real image, a gate driver configured to display gate signals to a plurality of gate lines provided in a display area of the display panel, and a controller configured to control the gate driver. Here, one-frame period for displaying the black image is shorter than one-frame period where the real image is displayed. Further, the gate driver can include a plurality of stages configured to supply the gate signals to the plurality of gate lines, and a plurality of dummy stages connected directly between the plurality of stages and the controller. In addition, gate start signals for driving the plurality of stages are supplied to the plurality of dummy stages by the controller.
    Type: Application
    Filed: November 1, 2022
    Publication date: February 23, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: KeyYoung YANG, Jihoon YU, Bumhee HAN
  • Patent number: 11495164
    Abstract: A display apparatus, in which a black image is provided between real images and one frame period for displaying the black image is set to be shorter than one frame period where each of the real images is displayed, is provided. The display apparatus includes a display panel displaying a black image and a real image, a gate driver supplying gate signals to a plurality of gate lines provided in a display area of the display panel, and a controller controlling a function of the gate driver. A one-frame period for displaying the black image is shorter than a one-frame period where the real image is displayed.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: November 8, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: KeyYoung Yang, Jihoon Yu, Bumhee Han
  • Publication number: 20210193021
    Abstract: A display apparatus, in which a black image is provided between real images and one frame period for displaying the black image is set to be shorter than one frame period where each of the real images is displayed, is provided. The display apparatus includes a display panel displaying a black image and a real image, a gate driver supplying gate signals to a plurality of gate lines provided in a display area of the display panel, and a controller controlling a function of the gate driver. A one-frame period for displaying the black image is shorter than a one-frame period where the real image is displayed.
    Type: Application
    Filed: December 11, 2020
    Publication date: June 24, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: KeyYoung YANG, Jihoon YU, Bumhee HAN
  • Patent number: 10466897
    Abstract: A mobile terminal including a wireless communication configured to provide wireless communication; a touch screen; and a controller configured to display on the touch screen an input region including a plurality of character keys and a plurality of editing keys and an output region, display on the touch screen an editing state display region between the input region and the output region and for displaying a word corresponding to touched character keys, select or edit the word displayed in the editing state display region based on a touch input applied to the input region, and display the selected or edited word on the output region.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: November 5, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Sangouk Park, Youngmin Yoon, Hyunjoo Jeon, Bumhee Han
  • Publication number: 20150331605
    Abstract: A mobile terminal including a wireless communication configured to provide wireless communication; a touch screen; and a controller configured to display on the touch screen an input region including a plurality of character keys and a plurality of editing keys and an output region, display on the touch screen an editing state display region between the input region and the output region and for displaying a word corresponding to touched character keys, select or edit the word displayed in the editing state display region based on a touch input applied to the input region, and display the selected or edited word on the output region.
    Type: Application
    Filed: December 29, 2014
    Publication date: November 19, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Sangouk PARK, Youngmin YOON, Hyunjoo JEON, Bumhee HAN