公开(公告)号：US11644868B2

公开(公告)日：2023-05-09

申请号：US17002144

申请日：2020-08-25

Applicant: LG Display Co., Ltd.

Inventor： Junggi Kim ,  Eunah Song ,  Hyuntae Byun

IPC: G06F1/16

CPC classification number: G06F1/1641 ,  G06F1/1616 ,  G06F1/1652

Abstract: The present disclosure relates to a foldable display apparatus. A foldable display includes: a display layer disposed on the top surface of a flexible substrate; an encapsulation layer covering the display layer; and a back plate disposed under the bottom surface of the flexible substrate, the back plate includes: a reference plane; a first folding plane disposed at one side of the reference plane; a second folding plane disposed at another side of the reference plane; a first bending part disposed between the reference plane and the first folding plane and having a first bending radius; and a second bending part disposed between the reference plane and the second folding plane and having a second bending radius, wherein the first folding plane is thinner than the reference plane.

公开(公告)号：US10134646B2

公开(公告)日：2018-11-20

申请号：US15385255

申请日：2016-12-20

Applicant: LG DISPLAY CO., LTD.

Inventor： Hyuntae Byun ,  Eunah Song ,  Junggi Kim ,  Kwang Nam Cho

IPC: H01L21/66 ,  H01L51/52 ,  H01L27/32 ,  H01L51/56 ,  G09G3/00

Abstract: A display device and a testing method thereof are disclosed, in which a defect caused by an overflow of an organic film constituting an encapsulation film can be detected. The display device comprises a substrate including a display area where pixels are arranged, and a pad area including a plurality of pads formed outside the display area; an encapsulation film covering the display area, including at least one inorganic film and at least one organic film; a dam arranged between the display area and the pad area; and a conductive testing line arranged between the dam and the pad area and not electrically connected with another conductive line or electrode arranged on the substrate.