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: 11107800Abstract: 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: GrantFiled: December 26, 2019Date of Patent: August 31, 2021Assignee: LG DISPLAY CO., LTD.Inventors: HyeonHo Son, HanSaem Kang, Bogyun Chung, Sungeun Bae, HyungJu Park, Eunjeong Shin, Jeenmoon Yang
-
Patent number: 11002983Abstract: 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: GrantFiled: April 28, 2020Date of Patent: May 11, 2021Assignee: LG DISPLAY CO., LTD.Inventors: ChungHwan An, JaeWoo Lee, BoGyun Chung
-
Patent number: 10778965Abstract: 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: GrantFiled: August 30, 2017Date of Patent: September 15, 2020Assignee: LG DISPLAY CO., LTD.Inventors: Bogyun Chung, JinWoo Park, DongHoon Lee, JinYeong Kim, HyungJu Park, Mira Yun
-
Publication number: 20200257133Abstract: 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: ApplicationFiled: April 28, 2020Publication date: August 13, 2020Inventors: ChungHwan AN, JaeWoo LEE, BoGyun CHUNG
-
Publication number: 20200212026Abstract: 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: ApplicationFiled: December 26, 2019Publication date: July 2, 2020Applicant: LG Display Co., Ltd.Inventors: HyeonHo SON, HanSaem KANG, Bogyun CHUNG, Sungeun BAE, HyungJu PARK, Eunjeong SHIN, Jeenmoon YANG
-
Patent number: 10684490Abstract: 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: GrantFiled: August 17, 2015Date of Patent: June 16, 2020Assignee: LG DISPLAY CO., LTD.Inventors: ChungHwan An, JaeWoo Lee, BoGyun Chung
-
Patent number: 10663787Abstract: 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: GrantFiled: December 11, 2019Date of Patent: May 26, 2020Assignee: LG DISPLAY CO., LTD.Inventors: JinYeong Kim, DongHoon Lee, JinWoo Park, Bogyun Chung
-
Publication number: 20200110292Abstract: 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: ApplicationFiled: December 11, 2019Publication date: April 9, 2020Inventors: JinYeong KIM, DongHoon Lee, JinWoo Park, Bogyun Chung
-
Patent number: 10545365Abstract: 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: GrantFiled: April 6, 2016Date of Patent: January 28, 2020Assignee: LG DISPLAY CO., LTD.Inventors: JinYeong Kim, DongHoon Lee, JinWoo Park, Bogyun Chung
-
Patent number: 10025110Abstract: 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: GrantFiled: November 6, 2013Date of Patent: July 17, 2018Assignee: LG DISPLAY CO., LTD.Inventors: Bogyun Chung, Chunghwan An, Kyungah Chin, Taejoon Lee
-
Publication number: 20180063520Abstract: 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: ApplicationFiled: August 30, 2017Publication date: March 1, 2018Inventors: Bogyun CHUNG, JinWoo PARK, DongHoon LEE, JinYeong KIM, HyungJu PARK, Mira YUN
-
Publication number: 20160320644Abstract: 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: ApplicationFiled: April 6, 2016Publication date: November 3, 2016Inventors: JinYeong KIM, DongHoon LEE, JinWoo PARK, Bogyun CHUNG
-
Patent number: 9420269Abstract: 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: GrantFiled: July 15, 2013Date of Patent: August 16, 2016Assignee: LG Display Co., Ltd.Inventors: Myungsoo Park, Bogyun Chung
-
Publication number: 20160048029Abstract: 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: ApplicationFiled: August 17, 2015Publication date: February 18, 2016Inventors: ChungHwan An, JaeWoo LEE, BoGyun CHUNG
-
Patent number: 9131228Abstract: 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: GrantFiled: December 26, 2012Date of Patent: September 8, 2015Assignee: LG Display Co., Ltd.Inventors: Cheunghwan An, Hoonki Kim, Bogyun Chung
-
Patent number: 9066069Abstract: 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: GrantFiled: April 19, 2012Date of Patent: June 23, 2015Assignee: LG Display Co., Ltd.Inventors: Myungsoo Park, Jaewoo Lee, Hyejin Kim, Bogyun Chung
-
Publication number: 20140146143Abstract: 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: ApplicationFiled: July 15, 2013Publication date: May 29, 2014Inventors: Myungsoo PARK, Bogyun CHUNG
-
Publication number: 20140125783Abstract: 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: ApplicationFiled: November 6, 2013Publication date: May 8, 2014Applicant: LG DISPLAY CO., LTD.Inventors: Bogyun CHUNG, Chunghwan AN, Kyungah CHIN, Taejoon LEE
-
Publication number: 20140078194Abstract: 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: ApplicationFiled: December 26, 2012Publication date: March 20, 2014Applicant: LG DISPLAY CO., LTD.Inventors: Cheunghwan AN, Hoonki KIM, Bogyun CHUNG
-
Publication number: 20120268461Abstract: 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: ApplicationFiled: April 19, 2012Publication date: October 25, 2012Inventors: Myungsoo PARK, Jaewoo Lee, Hyejin Kim, Bogyun Chung