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: 11304294
    Abstract: A display device includes a flexible first substrate including a display part, a bending part provided at one side of the display part, and a pad part provided at an end of the bending part, wherein the display part includes a plurality of pixels; a second substrate facing the display part; a back film including a first film part and a second film part separated from the first film part, wherein the first film part is adhered to the display part of the flexible first substrate, and the second film part is adhered to the pad part; and a supporting member disposed between the first film part and a second film part.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: April 12, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Ji Sun Park, Dal Jae Lee, Ji Yong Jeong
  • Publication number: 20210068246
    Abstract: A display device includes a flexible first substrate including a display part, a bending part provided at one side of the display part, and a pad part provided at an end of the bending part, wherein the display part includes a plurality of pixels; a second substrate facing the display part; a back film including a first film part and a second film part separated from the first film part, wherein the first film part is adhered to the display part of the flexible first substrate, and the second film part is adhered to the pad part; and a supporting member disposed between the first film part and a second film part.
    Type: Application
    Filed: November 13, 2020
    Publication date: March 4, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Ji Sun PARK, Dal Jae LEE, Ji Yong JEONG
  • Patent number: 10869388
    Abstract: A display device includes a flexible first substrate including a display part, a bending part at one side of the display part, and a pad part at one side of the bending part; a back film adhered to a portion corresponding to the display part and the pad part on a bottom of the first substrate; a supporting member disposed below a portion of the back film corresponding to the display part, wherein the supporting member is not bent, and wherein the bending part of the first substrate is bent along a side of the supporting member; and a second substrate facing the display part.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: December 15, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Ji Sun Park, Dal Jae Lee, Ji Yong Jeong
  • Patent number: 10555414
    Abstract: Discussed is a display device. The display device according to one example includes a first substrate including a display part, a bending part formed at one side of the display part, and a pad part formed at an end of the bending part. The display device further includes a second substrate facing the display part, and a back film adhered to a portion corresponding to the display part and the pad part on the bottom of the first substrate.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: February 4, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Ji Sun Park, Dal Jae Lee, Ji Yong Jeong
  • Patent number: 10499493
    Abstract: A flexible display can include a display panel including a first substrate having a plurality of pixels, the first substrate having a display area, a bent part extending from the display area, and a pad part extending from the bent part; a second substrate coupled to the first substrate; a back plate provided at a bottom of the first substrate; a supporting member adhered to the back plate and to the pad part or the bent part of the first substrate; and a first driver including at least one driving IC that is electrically connected to the pad part of the first substrate, wherein the pad part of the first substrate and the first driver are disposed below the display area of the first substrate and the supporting member, the first substrate includes a first surface and a second surface, the second substrate includes a third surface and a fourth surface, and the first surface of the first substrate faces the fourth surface of the second substrate.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: December 3, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Dal Jae Lee
  • Publication number: 20190230783
    Abstract: A display device includes a flexible first substrate including a display part, a bending part at one side of the display part, and a pad part at one side of the bending part; a back film adhered to a portion corresponding to the display part and the pad part on a bottom of the first substrate; a supporting member disposed below a portion of the back film corresponding to the display part, wherein the supporting member is not bent, and wherein the bending part of the first substrate is bent along a side of the supporting member; and a second substrate facing the display part.
    Type: Application
    Filed: April 5, 2019
    Publication date: July 25, 2019
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Ji Sun PARK, Dal Jae LEE, Ji Yong JEONG
  • Patent number: 10342120
    Abstract: Discussed is a method of manufacturing a display device. The method of manufacturing the display device according to one example includes providing a first substrate including a display part, a bending part at one side of the display part, and a pad part at an end of the bending part. The method further includes providing a second substrate facing-coupled to the display part, providing a back film, and adhering the back film to a portion corresponding to the display part and the pad part on a bottom of the first substrate.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: July 2, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Ji Sun Park, Dal Jae Lee, Ji Yong Jeong
  • Publication number: 20180199426
    Abstract: A flexible display can include a display panel including a first substrate having a plurality of pixels, the first substrate having a display area, a bent part extending from the display area, and a pad part extending from the bent part; a second substrate coupled to the first substrate; a back plate provided at a bottom of the first substrate; a supporting member adhered to the back plate and to the pad part or the bent part of the first substrate; and a first driver including at least one driving IC that is electrically connected to the pad part of the first substrate, wherein the pad part of the first substrate and the first driver are disposed below the display area of the first substrate and the supporting member, the first substrate includes a first surface and a second surface, the second substrate includes a third surface and a fourth surface, and the first surface of the first substrate faces the fourth surface of the second substrate.
    Type: Application
    Filed: March 5, 2018
    Publication date: July 12, 2018
    Applicant: LG DISPLAY CO., LTD.
    Inventor: Dal Jae LEE
  • Patent number: 9942978
    Abstract: A flexible display device includes a display panel configured to display images, a first substrate having a plurality of pixels disposed therein, and a second substrate coupled to the first substrate. The first substrate includes a display area, a bent part extending from the display area, and a pad part extending from the bent part. The flexible display device further includes a panel driver coupled to the pad part of the first substrate and configured to supply signals to the plurality of pixels on the display panel for displaying images. The first substrate further includes a first surface and a second surface, and the second substrate includes a third surface and a fourth surface. The first surface of the first substrate faces the fourth surface of the second substrate. The first substrate is curved at the bent part of the first substrate such that the pad part of the first substrate and the panel driver are disposed below the display area.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: April 10, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Dal Jae Lee
  • Publication number: 20170367173
    Abstract: Discussed is a method of manufacturing a display device. The method of manufacturing the display device according to one example includes providing a first substrate including a display part, a bending part at one side of the display part, and a pad part at an end of the bending part. The method further includes providing a second substrate facing-coupled to the display part, providing a back film, and adhering the back film to a portion corresponding to the display part and the pad part on a bottom of the first substrate.
    Type: Application
    Filed: August 29, 2017
    Publication date: December 21, 2017
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Ji Sun PARK, Dal Jae LEE, Ji Yong JEONG
  • Publication number: 20170359890
    Abstract: Discussed is a display device. The display device according to one example includes a first substrate including a display part, a bending part formed at one side of the display part, and a pad part formed at an end of the bending part. The display device further includes a second substrate facing the display part, and a back film adhered to a portion corresponding to the display part and the pad part on the bottom of the first substrate.
    Type: Application
    Filed: August 29, 2017
    Publication date: December 14, 2017
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Ji Sun PARK, Dal Jae LEE, Ji Yong JEONG
  • Patent number: 9769919
    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: Grant
    Filed: July 30, 2014
    Date of Patent: September 19, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Ji Sun Park, Dal Jae Lee, Ji Yong Jeong
  • Patent number: 9761182
    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: Grant
    Filed: December 24, 2014
    Date of Patent: September 12, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Dal Jae Lee, Ji Sun Park
  • Patent number: 9603271
    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: Grant
    Filed: December 29, 2014
    Date of Patent: March 21, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Dal Jae Lee, Su Chan Kwon
  • Patent number: 9572272
    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: Grant
    Filed: December 29, 2014
    Date of Patent: February 14, 2017
    Assignee: LG Display Co., Ltd.
    Inventor: Dal Jae Lee
  • Publication number: 20160210894
    Abstract: A flexible display device includes a display panel configured to display images, a first substrate having a plurality of pixels disposed therein, and a second substrate coupled to the first substrate. The first substrate includes a display area, a bent part extending from the display area, and a pad part extending from the bent part. The flexible display device further includes a panel driver coupled to the pad part of the first substrate and configured to supply signals to the plurality of pixels on the display panel for displaying images. The first substrate further includes a first surface and a second surface, and the second substrate includes a third surface and a fourth surface. The first surface of the first substrate faces the fourth surface of the second substrate. The first substrate is curved at the bent part of the first substrate such that the pad part of the first substrate and the panel driver are disposed below the display area.
    Type: Application
    Filed: March 30, 2016
    Publication date: July 21, 2016
    Applicant: LG DISPLAY CO., LTD.
    Inventor: Dal Jae LEE
  • Patent number: 9326375
    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: Grant
    Filed: December 19, 2013
    Date of Patent: April 26, 2016
    Assignee: LG Display Co., Ltd.
    Inventor: Dal Jae Lee
  • Patent number: 9285835
    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: Grant
    Filed: December 20, 2013
    Date of Patent: March 15, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Dal Jae Lee, Byung hwee Park, Jung Joo Lee
  • Patent number: 9204565
    Abstract: Embodiments relate to a hinge assembly in a foldable display device that provides support for a bending portion of a flexible display panel when the foldable display device in an unfolded state. The hinge assembly includes a bending portion support assembly and a sliding member that is slidable relative to the bending portion support assembly as the foldable display device is folded or unfolded. The hinge assembly also includes a surface that abuts the bending portion of the flexible display panel that defines the curvature of the flexible display panel when the foldable display device is rotated from the unfolded state.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: December 1, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Dal Jae Lee, Su Chan Kwon
  • Patent number: 9173287
    Abstract: Disclosed is a foldable display apparatus which can stably maintain a bending curvature of a folded flexible display, and can maintain a bending area of an unfolded flexible display in a plane state. The foldable display apparatus includes a link assembly connected between first and second housings to support a bending area of a display panel, and configured to guide bending of the bending area. The link assembly includes a plurality of bending guide members configured to support the bending area, a plurality of link parts connected to both ends of each of the plurality of bending guide members, and a plurality of link connecting members respectively provided between the plurality of link parts, and configured to connect two adjacent link parts.
    Type: Grant
    Filed: December 1, 2014
    Date of Patent: October 27, 2015
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yong Hee Kim, Dal Jae Lee, Jun Jae Lee, Su Chan Kwon