Patents by Inventor Bogyun Chung

Bogyun Chung 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: 11107800
    Abstract: A display device can include a substrate on which a semiconductor element and a common electrode are disposed; a light emitting diode which is disposed on the substrate and includes an n-type layer, a light emitting layer, and a p-type layer; an insulating layer disposed on the substrate and the light emitting diode; and a first connecting electrode which is connected to the light emitting diode and the semiconductor element. Accordingly, it is possible to minimize defects which can be caused during a process of disposing the light emitting diode on the substrate.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: August 31, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: HyeonHo Son, HanSaem Kang, Bogyun Chung, Sungeun Bae, HyungJu Park, Eunjeong Shin, Jeenmoon Yang
  • Patent number: 11002983
    Abstract: A three-dimensional (3D) image can be rendered by selectively transmitting a left-eye image and a right-eye image from a display panel in a manner of forming a transmitting electrode and a blocking electrode of the same layer on a switching parallax barrier and selectively applying a voltage to the transmitting electrode and the blocking electrode.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: May 11, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: ChungHwan An, JaeWoo Lee, BoGyun Chung
  • Patent number: 10778965
    Abstract: Disclosed is a stereoscopic display device for realizing a sharp and realistic stereoscopic image. The stereoscopic display device includes a first display displaying a first image, a second display displaying a second image, and a semi-transmissive optical member including a polarization transmissive axis transmitting the first image and a polarization reflective axis reflecting the second image.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: September 15, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Bogyun Chung, JinWoo Park, DongHoon Lee, JinYeong Kim, HyungJu Park, Mira Yun
  • Publication number: 20200257133
    Abstract: A three-dimensional (3D) image can be rendered by selectively transmitting a left-eye image and a right-eye image from a display panel in a manner of forming a transmitting electrode and a blocking electrode of the same layer on a switching parallax barrier and selectively applying a voltage to the transmitting electrode and the blocking electrode.
    Type: Application
    Filed: April 28, 2020
    Publication date: August 13, 2020
    Inventors: ChungHwan AN, JaeWoo LEE, BoGyun CHUNG
  • Publication number: 20200212026
    Abstract: A display device can include a substrate on which a semiconductor element and a common electrode are disposed; a light emitting diode which is disposed on the substrate and includes an n-type layer, a light emitting layer, and a p-type layer; an insulating layer disposed on the substrate and the light emitting diode; and a first connecting electrode which is connected to the light emitting diode and the semiconductor element. Accordingly, it is possible to minimize defects which can be caused during a process of disposing the light emitting diode on the substrate.
    Type: Application
    Filed: December 26, 2019
    Publication date: July 2, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: HyeonHo SON, HanSaem KANG, Bogyun CHUNG, Sungeun BAE, HyungJu PARK, Eunjeong SHIN, Jeenmoon YANG
  • Patent number: 10684490
    Abstract: A three-dimensional (3D) image can be rendered by selectively transmitting a left-eye image and a right-eye image from a display panel in a manner of forming a transmitting electrode and a blocking electrode of the same layer on a switching parallax barrier and selectively applying a voltage to the transmitting electrode and the blocking electrode.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: June 16, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: ChungHwan An, JaeWoo Lee, BoGyun Chung
  • Patent number: 10663787
    Abstract: Disclosed is a display device that includes a display area having an appearance of a specific color in a non-driving state or displaying a specific screen by using PDLC to improve esthetic appearance as in a home appliance. The display device comprises a reflective dispersed layer arranged on a display panel, wherein the reflective dispersed layer includes a PDLC layer between a first substrate and a second substrate, and a transflective layer arranged between the PDLC layer and the second substrate to transmit light externally emitted from the display panel and reflect externally incident light.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: May 26, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: JinYeong Kim, DongHoon Lee, JinWoo Park, Bogyun Chung
  • Publication number: 20200110292
    Abstract: Disclosed is a display device that includes a display area having an appearance of a specific color in a non-driving state or displaying a specific screen by using PDLC to improve esthetic appearance as in a home appliance. The display device comprises a reflective dispersed layer arranged on a display panel, wherein the reflective dispersed layer includes a PDLC layer between a first substrate and a second substrate, and a transflective layer arranged between the PDLC layer and the second substrate to transmit light externally emitted from the display panel and reflect externally incident light.
    Type: Application
    Filed: December 11, 2019
    Publication date: April 9, 2020
    Inventors: JinYeong KIM, DongHoon Lee, JinWoo Park, Bogyun Chung
  • Patent number: 10545365
    Abstract: Disclosed is a display device that includes a display area having an appearance of a specific color in a non-driving state or displaying a specific screen by using PDLC to improve esthetic appearance as in a home appliance. The display device comprises a reflective dispersed layer arranged on a display panel, wherein the reflective dispersed layer includes a PDLC layer between a first substrate and a second substrate, and a transflective layer arranged between the PDLC layer and the second substrate to transmit light externally emitted from the display panel and reflect externally incident light.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: January 28, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: JinYeong Kim, DongHoon Lee, JinWoo Park, Bogyun Chung
  • Patent number: 10025110
    Abstract: An autostereoscopic display and a method for driving the same are discussed. The autostereoscopic display according to an embodiment includes a display panel displaying data of a left eye image and data of a right eye image and a three-dimensional (3D) cell which is positioned on the display panel or is embedded in the display panel and separates optical axes of the left eye image and the right eye image. A frame rate of the 3D cell is greater than a frame rate of the display panel.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: July 17, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Bogyun Chung, Chunghwan An, Kyungah Chin, Taejoon Lee
  • Publication number: 20180063520
    Abstract: Disclosed is a stereoscopic display device for realizing a sharp and realistic stereoscopic image. The stereoscopic display device includes a first display displaying a first image, a second display displaying a second image, and a semi-transmissive optical member including a polarization transmissive axis transmitting the first image and a polarization reflective axis reflecting the second image.
    Type: Application
    Filed: August 30, 2017
    Publication date: March 1, 2018
    Inventors: Bogyun CHUNG, JinWoo PARK, DongHoon LEE, JinYeong KIM, HyungJu PARK, Mira YUN
  • Publication number: 20160320644
    Abstract: Disclosed is a display device that includes a display area having an appearance of a specific color in a non-driving state or displaying a specific screen by using PDLC to improve esthetic appearance as in a home appliance. The display device comprises a reflective dispersed layer arranged on a display panel, wherein the reflective dispersed layer includes a PDLC layer between a first substrate and a second substrate, and a transflective layer arranged between the PDLC layer and the second substrate to transmit light externally emitted from the display panel and reflect externally incident light.
    Type: Application
    Filed: April 6, 2016
    Publication date: November 3, 2016
    Inventors: JinYeong KIM, DongHoon LEE, JinWoo PARK, Bogyun CHUNG
  • Patent number: 9420269
    Abstract: The embodiments herein provide a stereoscopic image display device and method for driving the same capable of improving 2D image quality. The stereoscopic image display device comprises a display panel including a plurality of pixels; a 2D data converter configured to received two-dimensional data for each of a plurality of sub-pixels of the pixels and to convert the 2D data for each of the plurality of sub-pixels into converted 2D data for each of the plurality of sub-pixels based on all of the 2D data for the plurality of sub-pixels; and a display panel driving circuit configured to receive the converted 2D data for each of the plurality of sub-pixels and to supply each of the converted 2D data to a corresponding one of the plurality of sub-pixels in a two-dimensional mode of the stereoscopic image display device.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: August 16, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Myungsoo Park, Bogyun Chung
  • Publication number: 20160048029
    Abstract: A three-dimensional (3D) image can be rendered by selectively transmitting a left-eye image and a right-eye image from a display panel in a manner of forming a transmitting electrode and a blocking electrode of the same layer on a switching parallax barrier and selectively applying a voltage to the transmitting electrode and the blocking electrode.
    Type: Application
    Filed: August 17, 2015
    Publication date: February 18, 2016
    Inventors: ChungHwan An, JaeWoo LEE, BoGyun CHUNG
  • Patent number: 9131228
    Abstract: An autostereoscopic display and a control method thereof are disclosed. The autostereoscopic display includes a display panel displaying 3D image data, a backlight unit providing light to the display panel, a backlight driver which sequentially drives light sources of the backlight unit along a scanning direction of the 3D image data written to the display panel, a switchable 3D element which forms a barrier or a lens for separating optical axes of left eye image data and right eye image data from the 3D image data, and a 3D element driver which electrically controls the switchable 3D element and shifts the barrier or the lens formed in the switchable 3D element.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: September 8, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Cheunghwan An, Hoonki Kim, Bogyun Chung
  • Patent number: 9066069
    Abstract: This document relates to a method of removing jagging of a stereoscopic image and a stereoscopic image display device using the same. The method comprises: detecting left edges and right edges by analyzing left-eye image data and right-eye image data; replacing the left-eye image data on a kth line with the left-eye image data on a (k?1)th line in response to a first absolute value of a difference between a number of the left edges on the (k?1)th line and the kth line being equal to or more than a edge number threshold value; and replacing the right-eye image data on the kth line with the right-eye image data on the (k?1)th line in response to a second absolute value of a difference between a number of the right-eye edge data on the (k?1)th line and the kth line being equal to or more than the edge number threshold value.
    Type: Grant
    Filed: April 19, 2012
    Date of Patent: June 23, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Myungsoo Park, Jaewoo Lee, Hyejin Kim, Bogyun Chung
  • Publication number: 20140146143
    Abstract: The embodiments herein provide a stereoscopic image display device and method for driving the same capable of improving 2D image quality. The stereoscopic image display device comprises a display panel including a plurality of pixels; a 2D data converter configured to received two-dimensional data for each of a plurality of sub-pixels of the pixels and to convert the 2D data for each of the plurality of sub-pixels into converted 2D data for each of the plurality of sub-pixels based on all of the 2D data for the plurality of sub-pixels; and a display panel driving circuit configured to receive the converted 2D data for each of the plurality of sub-pixels and to supply each of the converted 2D data to a corresponding one of the plurality of sub-pixels in a two-dimensional mode of the stereoscopic image display device.
    Type: Application
    Filed: July 15, 2013
    Publication date: May 29, 2014
    Inventors: Myungsoo PARK, Bogyun CHUNG
  • Publication number: 20140125783
    Abstract: An autostereoscopic display and a method for driving the same are discussed. The autostereoscopic display according to an embodiment includes a display panel displaying data of a left eye image and data of a right eye image and a three-dimensional (3D) cell which is positioned on the display panel or is embedded in the display panel and separates optical axes of the left eye image and the right eye image. A frame rate of the 3D cell is greater than a frame rate of the display panel.
    Type: Application
    Filed: November 6, 2013
    Publication date: May 8, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Bogyun CHUNG, Chunghwan AN, Kyungah CHIN, Taejoon LEE
  • Publication number: 20140078194
    Abstract: An autostereoscopic display and a control method thereof are disclosed. The autostereoscopic display includes a display panel displaying 3D image data, a backlight unit providing light to the display panel, a backlight driver which sequentially drives light sources of the backlight unit along a scanning direction of the 3D image data written to the display panel, a switchable 3D element which forms a barrier or a lens for separating optical axes of left eye image data and right eye image data from the 3D image data, and a 3D element driver which electrically controls the switchable 3D element and shifts the barrier or the lens formed in the switchable 3D element.
    Type: Application
    Filed: December 26, 2012
    Publication date: March 20, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Cheunghwan AN, Hoonki KIM, Bogyun CHUNG
  • Publication number: 20120268461
    Abstract: This document relates to a method of removing jagging of a stereoscopic image and a stereoscopic image display device using the same. The method comprises: detecting left edges and right edges by analyzing left-eye image data and right-eye image data; replacing the left-eye image data on a kth line with the left-eye image data on a (k?1)th line in response to a first absolute value of a difference between a number of the left edges on the (k?1)th line and the kth line being equal to or more than a edge number threshold value; and replacing the right-eye image data on the kth line with the right-eye image data on the (k?1)th line in response to a second absolute value of a difference between a number of the right-eye edge data on the (k?1)th line and the kth line being equal to or more than the edge number threshold value.
    Type: Application
    Filed: April 19, 2012
    Publication date: October 25, 2012
    Inventors: Myungsoo PARK, Jaewoo Lee, Hyejin Kim, Bogyun Chung