Patents by Inventor Dal Jae Lee

Dal Jae Lee 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: 9164547
    Abstract: Disclosed is a foldable display apparatus which can stably maintain a bending curvature of a folded flexible display, and can maintain a bending display area of an unfolded flexible display in a plane state. The foldable display apparatus includes a display panel folded or unfolded with respect to a bending display area, a first housing configured to support a first area of the display panel, a second housing physically coupled to a second area of the display panel, a link assembly connected between the first and second housings, and configured to support a bending display area of the display panel which is folded or unfolded, and a sliding assembly configured to slide the first area or second area of the display panel according to bending of the link assembly.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: October 20, 2015
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Su Chan Kwon, Sung Hun Kim, Dal Jae Lee, Jun Jae Lee
  • Publication number: 20150255023
    Abstract: A foldable display apparatus that may realize one seamless screen by using two display panels is discussed. The foldable display apparatus can include a first display panel having a first display area; a second display panel having a second display area; and a panel supporter supporting the first and second display panels to mutually fold or unfold the first and second display panels, wherein boundary portions of the first display area of the first display panel and the second display area of the second display panel are matched with each other in a state that the first and second display panels are unfolded.
    Type: Application
    Filed: December 24, 2014
    Publication date: September 10, 2015
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Dal Jae LEE, Ji Sun PARK
  • Publication number: 20150257289
    Abstract: A foldable display apparatus including a display panel configured to include a display area including a first display area, a second display area, and a bending area, a first panel supporting member configured to support a first area of the display panel corresponding to the first display area, a second panel supporting member configured to support a second area of the display panel corresponding to the second display area, and a folding part connected between the first and second panel supporting members to overlap the bending area and configured to guide the display panel for the display panel to be folded or unfolded to a plane state with respect to the bending area. The folding part adjusts a distance between the first and second panel supporting members for the display panel to be folded or unfolded.
    Type: Application
    Filed: December 29, 2014
    Publication date: September 10, 2015
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Dal Jae LEE, Su Chan KWON
  • Publication number: 20150257290
    Abstract: A foldable display apparatus for minimizing stress applied to a bending area of a display panel. The foldable display apparatus can include a display panel configured to include a display area which includes a first display area, a second display area, and a bending area which is defined between the first and second display areas, a housing configured to include a first housing member, which supports a first area of the display panel corresponding to the first display area, and a second housing member which supports a second area of the display panel corresponding to the second display area, and a hinge part connected between the first and second housing members, and configured to enable the display panel to be folded or unfolded with respect to the bending area.
    Type: Application
    Filed: December 29, 2014
    Publication date: September 10, 2015
    Applicant: LG DISPLAY CO., LTD.
    Inventor: Dal Jae LEE
  • Patent number: 9121988
    Abstract: The present invention relates to a back light unit including a bottom case; a first light source unit comprising first light sources and a first board, wherein the first light sources are placed above the first board; a second light source unit comprising second light sources and a second board, wherein the second light sources are placed below the second board; a light guide plate disposed between the first and second light sources; and a support main disposed above the light guide plate. The present invention also relates to an LCD device including the same and a method of making the same.
    Type: Grant
    Filed: July 30, 2012
    Date of Patent: September 1, 2015
    Assignee: LG Display Co., Ltd.
    Inventor: Dal Jae Lee
  • Publication number: 20150036300
    Abstract: Discussed is a display device and a method of manufacturing the display device. The display device according to one example includes a display panel including a first substrate and a second substrate facing and coupled to the first substrate, wherein the first substrate includes a display part in which a plurality of pixels are formed, a bending part formed at one side of the display part, and a pad part formed at an end of the bending part; a back film adhered to a portion, corresponding to the display part and the pad part, in a bottom of the first substrate; and a supporting member formed to guide the bending part and support the back film adhered to a portion corresponding to the display part.
    Type: Application
    Filed: July 30, 2014
    Publication date: February 5, 2015
    Inventors: Ji Sun PARK, Dal Jae LEE, Ji Yong JEONG
  • Publication number: 20140307396
    Abstract: Discussed is a flexible display device with a reduced bezel width. The flexible display device according to an embodiment includes a display panel configured to display images, and including a flexible first substrate having a plurality of pixels disposed therein and a second substrate coupled to the flexible first substrate, the flexible first substrate including a display area, a bent part extending from the display area, and a pad part extending from the bent part; a panel driver connected to the pad part, and configured to supply signals to the respective pixels; and a supporting member configured to support the flexible first substrate, and including a bent part for guiding the bent part of the first substrate.
    Type: Application
    Filed: December 19, 2013
    Publication date: October 16, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventor: Dal Jae LEE
  • Patent number: 8823902
    Abstract: A liquid crystal display device includes a liquid crystal panel including a display region and first to fourth non-display regions surrounding the display region; a light guide plate below the liquid crystal panel; and first and second LED assemblies facing opposite sides of the light guide plate and corresponding to the first and second non-display regions, respectively, that have different first and second widths, respectively, wherein the first LED assembly includes a plurality of first LED packages arranged at a first distance, and the second LED assembly includes a plurality of second LED packages arranged at a second distance.
    Type: Grant
    Filed: December 28, 2011
    Date of Patent: September 2, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Dal-Jae Lee, Hyo-Jin Kim, Hark-Myung Lee, Sung-Il Byun
  • Publication number: 20140240933
    Abstract: Disclosed is a flexible display device. The flexible display device includes a display panel configured to include a first substrate that includes a plurality of pixels and a second substrate that is facing-coupled to the first substrate, and a first flexible circuit board connected to the first substrate. A driving IC which supplies a driving signal to the display panel is mounted on the first flexible circuit board. The first substrate includes a display part covered by the second substrate and configured to include the plurality of pixels, a non-display part provided near the display part and coupled to the second substrate, a bending part configured to extend from one side of the non-display part, and bent at a certain curvature, and a pad part connected to one side of the first flexible circuit board.
    Type: Application
    Filed: December 20, 2013
    Publication date: August 28, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Dal Jae Lee, Byung hwee Park, Jung Joo Lee
  • Publication number: 20130107171
    Abstract: The present invention relates to a back light unit including a bottom case; a first light source unit comprising first light sources and a first board, wherein the first light sources are placed above the first board; a second light source unit comprising second light sources and a second board, wherein the second light sources are placed below the second board; a light guide plate disposed between the first and second light sources; and a support main disposed above the light guide plate. The present invention also relates to an LCD device including the same and a method of making the same.
    Type: Application
    Filed: July 30, 2012
    Publication date: May 2, 2013
    Inventor: Dal Jae LEE
  • Publication number: 20120314153
    Abstract: A liquid crystal display device includes a liquid crystal panel including a display region and first to fourth non-display regions surrounding the display region; a light guide plate below the liquid crystal panel; and first and second LED assemblies facing opposite sides of the light guide plate and corresponding to the first and second non-display regions, respectively, that have different first and second widths, respectively, wherein the first LED assembly includes a plurality of first LED packages arranged at a first distance, and the second LED assembly includes a plurality of second LED packages arranged at a second distance.
    Type: Application
    Filed: December 28, 2011
    Publication date: December 13, 2012
    Inventors: Dal-Jae LEE, Hyo-Jin KIM, Hark-Myung LEE, Sung-Il BYUN
  • Patent number: 8054403
    Abstract: A backlight unit having improved reliability is disclosed. The backlight unit includes a support main formed of a mold having a rectangular frame shape, a plurality of LEDs arranged at a side of the support main, a light guide plate arranged parallel to the plurality of LEDs and converting a point light to a surface light, an optical sensor unit arranged at the other side of the support main and detecting light emitted from the plurality of LEDs, and a light incident hole formed at the other side of the support main corresponding to the optical sensor unit and guiding light output from the light guide plate to proceed toward the optical sensor unit by changing a path of the light.
    Type: Grant
    Filed: August 28, 2009
    Date of Patent: November 8, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Hyo Jin Kim, Jae Won Shin, Dal Jae Lee
  • Patent number: 7880828
    Abstract: Disclosed is a liquid crystal display (LCD) device provided with a flexible printed circuit (FPC) on a main support, the FPC integrally formed with a color sensor to detect colors of red, green and blue (RGB). The LCD device comprises: a main support having a concaved groove and a through hole partially formed at the concaved groove, the concaved groove formed at a lower surface of a frame with a prescribed width; a light emitting means provided at one side of the main support, and emitting light; a color sensor FPC composed of a flexible printed circuit (FPC) provided at the concaved groove of the main support, and a color sensor fixed to the FPC and inserted into the through hole of the main support, for detecting a color characteristic of light emitted from the light emitting means; and a liquid crystal (LC) panel provided on the main support, and receiving light.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: February 1, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Won Shin, Dal-Jae Lee
  • Patent number: 7863761
    Abstract: An integrated circuit package system comprising: providing a substrate; attaching an integrated circuit die over the substrate; attaching a connector to the integrated circuit die and the substrate; and forming an encapsulant over the substrate, the integrated circuit die, and the connector and minimizing ambient gas deformation of the substrate to keep the connector from touching another connector.
    Type: Grant
    Filed: August 3, 2007
    Date of Patent: January 4, 2011
    Assignee: Stats Chippac Ltd.
    Inventors: Dal Jae Lee, Nam Ju Cho, Soo-San Park, Jaepil Kim, Sungpil Hur, Hyeong Kug Jin, JongMin Han, SungJae Lim, HyoungChul Kwon
  • Publication number: 20100085506
    Abstract: A backlight unit having improved reliability is disclosed. The backlight unit includes a support main formed of a mold having a rectangular frame shape, a plurality of LEDs arranged at a side of the support main, a light guide plate arranged parallel to the plurality of LEDs and converting a point light to a surface light, an optical sensor unit arranged at the other side of the support main and detecting light emitted from the plurality of LEDs, and a light incident hole formed at the other side of the support main corresponding to the optical sensor unit and guiding light output from the light guide plate to proceed toward the optical sensor unit by changing a path of the light.
    Type: Application
    Filed: August 28, 2009
    Publication date: April 8, 2010
    Inventors: Hyo Jin Kim, Jae Won Shin, Dal Jae Lee
  • Publication number: 20090310054
    Abstract: Disclosed is a liquid crystal display (LCD) device provided with a flexible printed circuit (FPC) on a main support, the FPC integrally formed with a color sensor to detect colors of red, green and blue (RGB). The LCD device comprises: a main support having a concaved groove and a through hole partially formed at the concaved groove, the concaved groove formed at a lower surface of a frame with a prescribed width; a light emitting means provided at one side of the main support, and emitting light; a color sensor FPC composed of a flexible printed circuit (FPC) provided at the concaved groove of the main support, and a color sensor fixed to the FPC and inserted into the through hole of the main support, for detecting a color characteristic of light emitted from the light emitting means; and a liquid crystal (LC) panel provided on the main support, and receiving light.
    Type: Application
    Filed: December 12, 2008
    Publication date: December 17, 2009
    Inventors: Jae-Won Shin, Dal-Jae Lee
  • Publication number: 20080029873
    Abstract: An integrated circuit package system comprising: providing a substrate; attaching an integrated circuit die over the substrate; attaching a connector to the integrated circuit die and the substrate; and forming an encapsulant over the substrate, the integrated circuit die, and the connector and minimizing ambient gas deformation of the substrate to keep the connector from touching another connector.
    Type: Application
    Filed: August 3, 2007
    Publication date: February 7, 2008
    Inventors: Dal Jae Lee, Nam Ju Cho, Soo-San Park, Jaepil Kim, Sungpil Hur, Hyeong Kug Jin, JongMin Han, SungJae Lim, HyoungChul Kwon