Patents by Inventor Heeyoung CHAE

Heeyoung CHAE 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: 9684177
    Abstract: A polarization glasses type stereoscopic image display includes: a thin film transistor array substrate; a color filter array substrate having a plurality of black matrix patterns formed on a first plane facing the thin film transistor array substrate; a plurality of black stripe patterns that are aligned in a first direction correspondingly to the black matrix patterns on a second plane of the color filter array substrate opposite to the first plane; and a patterned retarder disposed over the second plane of the color filter array substrate. The width of the black stripe pattern is different depending on a display position with respect to the first direction. The first direction is directed from an upper side of the display to a lower side of the display.
    Type: Grant
    Filed: October 24, 2012
    Date of Patent: June 20, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jinyeong Kim, Heeyoung Chae, Juun Park, Sungpil Ryu, Meeran Park
  • Patent number: 9541688
    Abstract: The present disclosure relates to a polarization film having a black strip for applying to a patterned retarder type 3D display device. The present disclosure suggests a polarization film for a patterned retarder type display device comprising: a polarization base film; a upper base film disposed on a upper surface of the polarization base film; a lower base film disposed on a lower surface of the polarization base film; and a black strip formed one of a upper side of the polarization base film and a lower side of the polarization base film. According to the present disclosure, the 3D display device can be manufactured in the simple processing and can reduce 3D cross-talk problem by having the double black strip structure.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: January 10, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Jinyeong Kim, Heeyoung Chae
  • Patent number: 9500786
    Abstract: The present invention has been made in an effort to provide a stereoscopic image display comprising: a liquid crystal panel comprising a lower substrate and an upper substrate; RGB color filters positioned on a first surface of the upper substrate; thin film transistors positioned on a first surface of the lower substrate; a black matrix positioned on a second surface of the upper substrate; and a patterned retarder film for separating an image displayed on the liquid crystal panel, wherein at least one of the RGB color filters has a dummy part overlapping at least a portion of one or both of the other color filters.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: November 22, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Jinyeong Kim, Heeyoung Chae
  • Patent number: 9348148
    Abstract: A patterned retarder type display device includes a display panel having a plurality of unit pixel lines disposed in column direction, each unit pixel line including N (N is a natural number) pixel lines, a patterned retarder film disposed on the outer surface of the display panel and including unit patterned retarders corresponding to each of the unit pixel lines, and a black strip disposed between two unit patterned retarders on the outer surface of the display panel. The display device may provide an excellent 3D viewing angle, and the brightness dropdown caused by the black strip can be reduced.
    Type: Grant
    Filed: November 6, 2012
    Date of Patent: May 24, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Juhoon Jang, Jinyeong Kim, Heeyoung Chae, Seungman Ryu, Meeran Park
  • Patent number: 9239466
    Abstract: A polarization glasses type stereoscopic image display displaying a stereoscopic image on a display surface includes a thin film transistor array substrate, a color filter array substrate having a plurality of black matrix patterns formed on a first plane facing the thin film transistor array substrate, a plurality of black stripe patterns that are aligned correspondingly to the black matrix patterns on a second plane of the color filter array substrate opposite to the first plane, and a patterned retarder disposed over the second plane of the color filter array substrate. The overall vertical pitch of the patterned retarder is less than the overall vertical pitch of a pixel array formed on the display surface.
    Type: Grant
    Filed: October 24, 2012
    Date of Patent: January 19, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Jinyeong Kim, Heeyoung Chae, Juun Park, Sungpil Ryu, Meeran Park
  • Patent number: 9207460
    Abstract: The present disclosure relates to a patterned retarder type display device having a black strip and a method for manufacturing the same. The present disclosure suggests a patterned retarder type display device comprising: a first substrate having a display area in which unit pixels are disposed in a matrix type and a non-display area surrounding the display area; a second substrate joined with the first substrate by a sealant disposed in the non-display area; a liquid crystal layer disposed between the first substrate and the second substrate; a plurality of a horizontal black strip disposed along a horizontal border distinguishing the unit pixel on an outer surface of the first substrate; and an outer strip covering the non-display area on the outer surface of the first substrate.
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: December 8, 2015
    Assignee: LG Display Co., Ltd.
    Inventor: Heeyoung Chae
  • Patent number: 9066090
    Abstract: A stereoscopic image display and a method for manufacturing the same are provided. The stereoscopic image display comprises: a thin film transistor array substrate; a color filter substrate facing the thin film transistor array substrate, and comprising black matrix; first black stripes formed on the color filter substrate, and formed at positions corresponding to the black matrix; and a patterned retarder film formed on the first black stripes.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: June 23, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Juhoon Jang, Jinyeong Kim, Heeyoung Chae, Taewoong Moon, Sungpil Ryu, Meeran Park
  • Patent number: 8952942
    Abstract: An image display device and a method for driving the same are disclosed. The image display device includes a display panel, which includes a plurality of red, green, and blue subpixels to selectively implement a 2D image and a 3D image, and a patterned retarder dividing light from the display panel, on which the 3D image is implemented, into a first polarization component and a second polarization component. When the 3D image is implemented, a black image is displayed on (4j)th subpixels of the display panel disposed along a column direction, j is a positive integer. When the 2D image is implemented, one of red, green, and blue 2D images is displayed on the (4j)th subpixels.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: February 10, 2015
    Assignee: LG Display Co., Ltd.
    Inventor: Heeyoung Chae
  • Publication number: 20140240625
    Abstract: The present invention has been made in an effort to provide a stereoscopic image display comprising: a liquid crystal panel comprising a lower substrate and an upper substrate; RGB color filters positioned on a first surface of the upper substrate; thin film transistors positioned on a first surface of the lower substrate; a black matrix positioned on a second surface of the upper substrate; and a patterned retarder film for separating an image displayed on the liquid crystal panel, wherein at least one of the RGB color filters has a dummy part overlapping at least a portion of one or both of the other color filters.
    Type: Application
    Filed: December 13, 2013
    Publication date: August 28, 2014
    Applicant: LG Display Co., Ltd.
    Inventors: Jinyeong KIM, Heeyoung CHAE
  • Patent number: 8791988
    Abstract: An image display device includes a display panel, which includes a plurality of pixels and selectively implements a 2D image and a 3D image, and a patterned retarder for dividing light from the display panel, on which the 3D image is implemented, into first and second polarization components. The display panel includes first to fourth gate lines, which cross a data line and are disposed along a column direction in the order named, first and second pixels which are disposed between the first and second gate lines to be vertically adjacent to each other, third and fourth pixels which are disposed between the third and fourth gate lines to be vertically adjacent to each other, and a black matrix spatially for separating left and right images of the 3D image from each other.
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: July 29, 2014
    Assignee: LG Display Co., Ltd.
    Inventor: Heeyoung Chae
  • Patent number: 8665324
    Abstract: Embodiments of this document provide a stereoscopic image display device and a driving method capable of preventing the reduction in resolution when 3D images are displayed on a stereoscopic image display device including a patterned retarder. According to an exemplary embodiment, in odd numbered display lines of a display panel, left eye image data input during an N-th (where N is a positive integer) frame period is displayed during the N-th frame period, and left eye compensation image data generated based on the data input during the N-th frame period is displayed during a (N+1)-th frame period, and in even numbered display lines of the display panel, right eye compensation image data generated based on data input during a (N?1)-th frame period is displayed during the N-th frame period, and right eye image data input during the (N+1)-th frame period is displayed during the (N+1)-th frame period.
    Type: Grant
    Filed: December 9, 2010
    Date of Patent: March 4, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Heeyoung Chae, Seungchul Lee, Heejin Im
  • Publication number: 20130314783
    Abstract: The present disclosure relates to a polarization film having a black strip for applying to a patterned retarder type 3D display device. The present disclosure suggests a polarization film for a patterned retarder type display device comprising: a polarization base film; a upper base film disposed on a upper surface of the polarization base film; a lower base film disposed on a lower surface of the polarization base film; and a black strip formed one of a upper side of the polarization base film and a lower side of the polarization base film. According to the present disclosure, the 3D display device can be manufactured in the simple processing and can reduce 3D cross-talk problem by having the double black strip structure.
    Type: Application
    Filed: November 15, 2012
    Publication date: November 28, 2013
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Jinyeong KIM, Heeyoung CHAE
  • Publication number: 20130314781
    Abstract: The present disclosure relates to a patterned retarder type display device having a black strip and a method for manufacturing the same. The present disclosure suggests a patterned retarder type display device comprising: a display panel having a plurality of unit pixel lines disposed in column direction, wherein each unit pixel line includes N (N is one of natural number) pixel lines; a patterned retarder film disposed on the outer surface of the display panel and including unit patterned retarders corresponding to each of the unit pixel lines; and a black strip disposed between two unit patterned retarders on the outer surface of the display panel. The display device according to the present disclosure provides excellent 3D viewing angle and the brightness dropdown caused by the black strip can be reduced.
    Type: Application
    Filed: November 6, 2012
    Publication date: November 28, 2013
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Juhoon JANG, Jinyeong KIM, Heeyoung CHAE, Seungman RYU, Meeran PARK
  • Publication number: 20130293802
    Abstract: The present disclosure relates to a patterned retarder type display device having a black strip and a method for manufacturing the same. The present disclosure suggests a patterned retarder type display device comprising: a first substrate having a display area in which unit pixels are disposed in a matrix type and a non-display area surrounding the display area; a second substrate joined with the first substrate by a sealant disposed in the non-display area; a liquid crystal layer disposed between the first substrate and the second substrate; a plurality of a horizontal black strip disposed along a horizontal border distinguishing the unit pixel on an outer surface of the first substrate; and an outer strip covering the non-display area on the outer surface of the first substrate.
    Type: Application
    Filed: August 3, 2012
    Publication date: November 7, 2013
    Applicant: LG DISPLAY CO., LTD.
    Inventor: Heeyoung Chae
  • Patent number: 8519908
    Abstract: An image display device includes a display panel that includes a plurality of subpixels and selectively displays the 2D image and the 3D image, and a patterned retarder that is positioned in front of the display panel and divides light from the display panel into light of a first polarization and light of a second polarization when the 3D image is displayed. Each subpixel includes a main subpixel including a first pixel electrode receiving a data voltage through a data line and a common electrode receiving a common voltage through a common line, and a subsidiary subpixel including a second pixel electrode receiving the data voltage through the data line, a common electrode positioned opposite the second pixel electrode, and a discharge thin film transistor (TFT) selectively connecting the second pixel electrode to the common electrode based on a displayed image.
    Type: Grant
    Filed: December 15, 2010
    Date of Patent: August 27, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Donghoon Lee, Kwangjo Hwang, Jinyeong Kim, Heeyoung Chae, Seok Kim
  • Publication number: 20130063687
    Abstract: A stereoscopic image display and a method for manufacturing the same are provided. The stereoscopic image display comprises: a thin film transistor array substrate; a color filter substrate facing the thin film transistor array substrate, and comprising black matrix; first black stripes formed on the color filter substrate, and formed at positions corresponding to the black matrix; and a patterned retarder film formed on the first black stripes.
    Type: Application
    Filed: July 17, 2012
    Publication date: March 14, 2013
    Inventors: Juhoon Jang, Jinyeong Kim, Heeyoung Chae, Taewoong Moon, Sungpil Ryu, Meeran Park
  • Publication number: 20120013610
    Abstract: An image display device includes a display panel, which includes a plurality of pixels and selectively implements a 2D image and a 3D image, and a patterned retarder for dividing light from the display panel, on which the 3D image is implemented, into first and second polarization components. The display panel includes first to fourth gate lines, which cross a data line and are disposed along a column direction in the order named, first and second pixels which are disposed between the first and second gate lines to be vertically adjacent to each other, third and fourth pixels which are disposed between the third and fourth gate lines to be vertically adjacent to each other, and a black matrix spatially for separating left and right images of the 3D image from each other.
    Type: Application
    Filed: June 29, 2011
    Publication date: January 19, 2012
    Inventor: Heeyoung CHAE
  • Publication number: 20120013656
    Abstract: An image display device and a method for driving the same are disclosed. The image display device includes a display panel, which includes a plurality of red, green, and blue subpixels to selectively implement a 2D image and a 3D image, and a patterned retarder dividing light from the display panel, on which the 3D image is implemented, into a first polarization component and a second polarization component. When the 3D image is implemented, a black image is displayed on (4j)th subpixels of the display panel disposed along a column direction, j is a positive integer. When the 2D image is implemented, one of red, green, and blue 2D images is displayed on the (4j)th subpixels.
    Type: Application
    Filed: June 30, 2011
    Publication date: January 19, 2012
    Inventor: Heeyoung CHAE
  • Publication number: 20110227886
    Abstract: An image display device includes a display panel that includes a plurality of subpixels and selectively displays the 2D image and the 3D image, and a patterned retarder that is positioned in front of the display panel and divides light from the display panel into light of a first polarization and light of a second polarization when the 3D image is displayed. Each subpixel includes a main subpixel including a first pixel electrode receiving a data voltage through a data line and a common electrode receiving a common voltage through a common line, and a subsidiary subpixel including a second pixel electrode receiving the data voltage through the data line, a common electrode positioned opposite the second pixel electrode, and a discharge thin film transistor (TFT) selectively connecting the second pixel electrode to the common electrode based on a displayed image.
    Type: Application
    Filed: December 15, 2010
    Publication date: September 22, 2011
    Inventors: Donghoon LEE, Kwangjo Hwang, Jinyeong Kim, Heeyoung Chae, Seok Kim
  • Publication number: 20110216177
    Abstract: A stereoscopic image display device includes a display panel provided with data lines and gate lines which intersect each other, and pixels arranged in a matrix, a patterned retarder including first retarders transmitting a first polarization light from odd numbered display lines of the display panel and second retarders transmitting a second polarization light from even numbered display lines, wherein in the odd numbered display lines of the display panel, left eye image data input during an N-th (where N is a positive integer) frame period is displayed during the N-th frame period, and left eye compensation image data generated based on the data input during the N-th frame period is displayed during a (N+1)-th frame period, and wherein in the even numbered display lines, right eye compensation image data generated based on data input during a (N?1)-th frame period is displayed during the N-th frame period, and right eye image data input during the (N+1)-th frame period is displayed during the (N+1)-th frame
    Type: Application
    Filed: December 9, 2010
    Publication date: September 8, 2011
    Inventors: Heeyoung CHAE, Seungchul LEE, Heejin IM