Patents by Inventor JA-YOUNG PYUN

JA-YOUNG PYUN 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: 10935706
    Abstract: A curved liquid crystal display device includes first and second substrates facing each other and including a central region and a peripheral region; a plurality of data lines disposed on the first substrate and being spaced apart from each other by the same distance; a plurality of gate lines disposed on the first substrate and crossing the plurality of data lines; a pixel electrode disposed on the first substrate; a common electrode on the first substrate or the second substrate; a plurality of black matrixes disposed on the second substrate, a distance between adjacent black matrixes in the central region being smaller than a distance between adjacent black matrixes in the peripheral region; and a liquid crystal layer disposed between the first and second substrates.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: March 2, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: In-Yeong Kong, Do-Sung Kim, Hee-Young Chae, Se-Hong Park, Jong-Sin Park, Ja-Young Pyun, Dong-Yoon Lee, Jae-Woong YouN
  • Publication number: 20190086594
    Abstract: A curved liquid crystal display device includes first and second substrates facing each other and including a central region and a peripheral region; a plurality of data lines disposed on the first substrate and being spaced apart from each other by the same distance; a plurality of gate lines disposed on the first substrate and crossing the plurality of data lines; a pixel electrode disposed on the first substrate; a common electrode on the first substrate or the second substrate; a plurality of black matrixes disposed on the second substrate, a distance between adjacent black matrixes in the central region being smaller than a distance between adjacent black matrixes in the peripheral region; and a liquid crystal layer disposed between the first and second substrates.
    Type: Application
    Filed: November 19, 2018
    Publication date: March 21, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: In-Yeong KONG, Do-Sung KIM, Hee-Young CHAE, Se-Hong PARK, Jong-Sin PARK, Ja-Young PYUN, Dong-Yoon LEE, Jae-Woong YOUN
  • Patent number: 10168458
    Abstract: A curved liquid crystal display device includes first and second substrates facing each other and including a central region and a peripheral region; a plurality of data lines disposed on the first substrate and being spaced apart from each other by the same distance; a plurality of gate lines disposed on the first substrate and crossing the plurality of data lines; a pixel electrode disposed on the first substrate; a common electrode on the first substrate or the second substrate; a plurality of black matrixes disposed on the second substrate, a distance between adjacent black matrixes in the central region being smaller than a distance between adjacent black matrixes in the peripheral region; and a liquid crystal layer disposed between the first and second substrates.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: January 1, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: In-Yeong Kong, Do-Sung Kim, Hee-Young Chae, Se-Hong Park, Jong-Sin Park, Ja-Young Pyun, Dong-Yoon Lee, Jae-Woong Youn
  • Patent number: 10162222
    Abstract: A curved LCD device includes first and second substrates; gate and data lines in a display area on the first substrate and defining a pixel region; a thin film transistor connected to the gate and data lines; a color filter layer in the pixel region; pixel and common electrodes on the color filter layer; first light-blocking layers in the display area over the first substrate; a second light-blocking layer in a non-display area over the first substrate; first and second column spacers in the display area on the second substrate, wherein the first column spacer has a first height, and the second column spacer has a second height; and a third column spacer in the non-display area on the second substrate and having the second height, wherein the third column spacer is in point-contact with the second light-blocking layer when an external force is applied.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: December 25, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hee-Young Chae, Se-Hong Park, In-Yeong Kong, Jong-Sin Park, Ja-Young Pyun, Dong-Yoon Lee, Jae-Woong Youn
  • Patent number: 9964808
    Abstract: A curved liquid crystal display device may include first and second substrates having curved surfaces along a first direction; first and second alignment layers on inner surfaces of the first and second substrates, respectively; a liquid crystal layer between the first and second alignment layers; and a seal pattern in an edge area surrounding the liquid crystal layer between the first and second substrates, wherein the first and second alignment layers have an alignment direction substantially parallel with the first direction to orient liquid crystal molecules of the liquid crystal layer.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: May 8, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Se-Hong Park, Hee-Young Chae, In-Yeong Kong, Jong-Sin Park, Ja-Young Pyun, Dong-Yoon Lee, Jae-Woong Youn
  • Publication number: 20150370116
    Abstract: A curved LCD device includes first and second substrates; gate and data lines in a display area on the first substrate and defining a pixel region; a thin film transistor connected to the gate and data lines; a color filter layer in the pixel region; pixel and common electrodes on the color filter layer; first light-blocking layers in the display area over the first substrate; a second light-blocking layer in a non-display area over the first substrate; first and second column spacers in the display area on the second substrate, wherein the first column spacer has a first height, and the second column spacer has a second height; and a third column spacer in the non-display area on the second substrate and having the second height, wherein the third column spacer is in point-contact with the second light-blocking layer when an external force is applied
    Type: Application
    Filed: May 27, 2015
    Publication date: December 24, 2015
    Inventors: Hee-Young CHAE, Se-Hong PARK, In-Yeong KONG, Jong-Sin PARK, Ja-Young PYUN, Dong-Yoon LEE, Jae-Woong YOUN
  • Publication number: 20150362796
    Abstract: A curved liquid crystal display device includes first and second substrates facing each other and including a central region and a peripheral region; a plurality of data lines disposed on the first substrate and being spaced apart from each other by the same distance; a plurality of gate lines disposed on the first substrate and crossing the plurality of data lines; a pixel electrode disposed on the first substrate; a common electrode on the first substrate or the second substrate; a plurality of black matrixes disposed on the second substrate, a distance between adjacent black matrixes in the central region being smaller than a distance between adjacent black matrixes in the peripheral region; and a liquid crystal layer disposed between the first and second substrates.
    Type: Application
    Filed: May 7, 2015
    Publication date: December 17, 2015
    Applicant: LG DISPLAY CO., LTD.
    Inventors: In-Yeong KONG, Do-Sung KIM, Hee-Young CHAE, Se-Hong PARK, Jong-Sin PARK, Ja-Young PYUN, Dong-Yoon LEE, Jae-Woong YOUN
  • Publication number: 20150362766
    Abstract: A curved liquid crystal display device may include first and second substrates having curved surfaces along a first direction; first and second alignment layers on inner surfaces of the first and second substrates, respectively; a liquid crystal layer between the first and second alignment layers; and a seal pattern in an edge area surrounding the liquid crystal layer between the first and second substrates, wherein the first and second alignment layers have an alignment direction substantially parallel with the first direction to orient liquid crystal molecules of the liquid crystal layer.
    Type: Application
    Filed: May 15, 2015
    Publication date: December 17, 2015
    Inventors: Se-Hong PARK, Hee-Young Chae, In-Yeong Kong, Jong-Sin Park, Ja-Young Pyun, Dong-Yoon Lee, Jae-Woong Youn
  • Patent number: 8581942
    Abstract: A backlight unit for a liquid crystal display device includes a reflection plate, a light guide plate over the reflection plate, the light guide plate having n grooves at a lower surface and including (n+1) areas divided by the grooves, wherein n is a natural number, a first LED assembly disposed at a first side surface of the light guide plate, the first LED assembly including (n+1) LED packages, each of which has at least one LED, wherein the LED packages of the first LED assembly correspond to the areas, respectively, and are separately driven, and a plurality of optical sheets over the light guide plate.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: November 12, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Ja-Young Pyun, Hyun-Ho Shin, Kyu-Bong Jung
  • Patent number: 8531116
    Abstract: A light source driving apparatus for implementing general purpose driving of a high-current light emitting diode (LED) and a low-current LED, and a method for driving the same are disclosed. The apparatus for driving the light source includes a plurality of light emitting diode (LED) strings, and a light emitting diode (LED) driving circuit for driving the LED strings, and having a plurality of channels commonly connected to the same LED string.
    Type: Grant
    Filed: November 18, 2010
    Date of Patent: September 10, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Byung-Sam Min, Ja-Young Pyun
  • Publication number: 20110140615
    Abstract: A light source driving apparatus for implementing general purpose driving of a high-current light emitting diode (LED) and a low-current LED, and a method for driving the same are disclosed. The apparatus for driving the light source includes a plurality of light emitting diode (LED) strings, and a light emitting diode (LED) driving circuit for driving the LED strings, and having a plurality of channels commonly connected to the same LED string.
    Type: Application
    Filed: November 18, 2010
    Publication date: June 16, 2011
    Inventors: Byung-Sam Min, Ja-Young Pyun
  • Publication number: 20100214331
    Abstract: A backlight unit for a liquid crystal display device includes a reflection plate, a light guide plate over the reflection plate, the light guide plate having n grooves at a lower surface and including (n+1) areas divided by the grooves, wherein n is a natural number, a first LED assembly disposed at a first side surface of the light guide plate, the first LED assembly including (n+1) LED packages, each of which has at least one LED, wherein the LED packages of the first LED assembly correspond to the areas, respectively, and are separately driven, and a plurality of optical sheets over the light guide plate.
    Type: Application
    Filed: December 9, 2009
    Publication date: August 26, 2010
    Inventors: JA-YOUNG PYUN, Hyun-Ho Shin, Kyu-Bong Jung