公开(公告)号：US20220122948A1

公开(公告)日：2022-04-21

申请号：US17497640

申请日：2021-10-08

Applicant: LG Display Co., Ltd.

Inventor： Aesun KIM ,  Hyunju JUNG

IPC: H01L25/075 ,  H01L23/538 ,  H01L33/62

Abstract: A stretchable display device includes a lower substrate; a plurality of first substrates which is disposed on the lower substrate and includes a first area in which a plurality of sub pixel including a display element and a driving element is disposed and a second area excluding the first area; a plurality of second substrates configured to couple adjacent first substrates among the plurality of first substrates; and a plurality of connection lines which are disposed on the plurality of second substrates and are configured to couple the plurality of sub pixels, and in the second area, a first contact pad and a second contact pad are disposed and the first contact pad and the second contact pad are coupled to the plurality of connection lines via a plurality of contact holes.

公开(公告)号：US20210083212A1

公开(公告)日：2021-03-18

申请号：US17106065

申请日：2020-11-27

Applicant: LG Display Co., Ltd.

Inventor： Hyunju JUNG ,  Eunah KIM

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/52

Abstract: A stretchable display device comprises a plurality of island substrates where a plurality of pixels is defined and spaced apart from each other; a lower substrate disposed under the plurality of island substrates and including a plurality of grooves; and a plurality of connecting lines electrically connecting a plurality of pads disposed on adjacent island substrates of the plurality of island substrates; and a lower adhesive layer disposed under the plurality of island substrates and the plurality of connecting lines, and overlapping the plurality of island substrates.

公开(公告)号：US20210066266A1

公开(公告)日：2021-03-04

申请号：US16998663

申请日：2020-08-20

Applicant: LG Display Co., Ltd.

Inventor： Hyunju JUNG ,  Eunah KIM

IPC: H01L25/16

Abstract: A stretchable display device includes a substrate structure which has a display area where images are displayed and a non-display area adjacent to the display area and includes an upper stretching substrate and a lower stretching substrate; and a frame which is disposed to cover a first side surface and a second side surface opposite to the first side surface, among a plurality of side surfaces of the substrate structure, in which a modulus of the frame is higher than moduli of the upper stretching substrate and the lower stretching substrate.

公开(公告)号：US20210056873A1

公开(公告)日：2021-02-25

申请号：US16998617

申请日：2020-08-20

Applicant: LG Display Co., Ltd.

Inventor： Hyunju JUNG ,  Eunah KIM

IPC: G09F9/30 ,  H01L27/32

Abstract: A stretchable display device includes a plurality of grip areas in which a clamp is disposed, and a buffer area adjacent to the plurality of grip areas are defined; a plurality of pixel substrates which is disposed in the display area to be spaced apart from each other; at least one base substrate which is disposed in each of the plurality of grip areas; a plurality of first connection lines which is disposed in the display area and connects the plurality of pixels formed on the plurality of pixel substrates; a plurality of second connection lines disposed in the grip area; and a plurality of third connection lines which is disposed in the buffer area, connects the plurality of first connection lines and the plurality of second connection lines, and has a ductile breaking rate higher than that of the plurality of first connection lines.

公开(公告)号：US20220139888A1

公开(公告)日：2022-05-05

申请号：US17516310

申请日：2021-11-01

Applicant: LG Display Co., Ltd.

Inventor： Aesun KIM ,  Hyunju JUNG

IPC: H01L25/075 ,  G09G3/00 ,  G09G3/20 ,  H01L23/538 ,  H01L33/62

Abstract: According to an aspect of the present disclosure, the display device includes a stretchable lower substrate and a plurality of first substrates disposed on the lower substrate and including a first pixel and a second pixel. The display device also includes a plurality of second substrates configured to couple first substrates adjacent to each other among the plurality of first substrates. The display device further includes a plurality of connection lines disposed on the plurality of second substrates and configured to couple the first pixel and the second pixel. The plurality of connection lines includes a plurality of first connection lines extended in a first direction, a plurality of second connection lines extended in a second direction and a plurality of third connection lines extended in a third direction. Thus, the display device may be improved in resolution and may be uniformly stretched in all directions.

公开(公告)号：US20210183277A1

公开(公告)日：2021-06-17

申请号：US17184252

申请日：2021-02-24

Applicant: LG Display Co., Ltd.

Inventor： Eunah KIM ,  Hyunju JUNG

IPC: G09F9/30 ,  G06F1/16

Abstract: Disclosed herein are a stretchable display panel and device and a manufacturing method thereof. The stretchable display panel comprises: a lower substrate having an active area and a non-active area surrounding the active area; a plurality of individual substrates disposed on the lower substrate and located in the active area; a plurality of pixels disposed on the plurality of individual substrates; and a connection line disposed between the plurality of individual substrates and the lower substrate, wherein the modulus of the plurality of individual substrates is higher than that of at least one part of the lower substrate, and wherein the connecting line extends to the bottom surface of the individual substrates, such that the connecting line electrically connects a pad disposed on the individual substrates without a step in the top surface of the connecting line. That is, the connecting line has a uniform height from the lower substrate for its entire length. Accordingly, the stretchable display device according to the present disclosure may reduce damage to the connecting line due to a step of the connecting line, so reliability of the stretchable display device may be improved.

公开(公告)号：US20210158734A1

公开(公告)日：2021-05-27

申请号：US17029926

申请日：2020-09-23

Applicant: LG Display Co., Ltd.

Inventor： Seulki KIM ,  Hyunju JUNG

IPC: G09G3/00 ,  H01L51/00 ,  H01L27/32 ,  H01L25/16 ,  G09G3/3233

Abstract: One or more embodiments of the present disclosure provides a stretchable display device. The stretchable display device includes a lower substrate including a display area and a non-display area, a plurality of first substrates and a plurality of second substrates disposed in the display area, a plurality of light emitting elements disposed on each of the plurality of first substrates, a switching transistor and a driving transistor disposed on each of the plurality of second substrates, in which the switching transistor may output a data signal to the driving transistor in accordance with a scan signal and the driving transistor may output a driving current to the light emitting element in accordance with the data signal.

公开(公告)号：US20210134191A1

公开(公告)日：2021-05-06

申请号：US17019050

申请日：2020-09-11

Applicant: LG Display Co., Ltd.

Inventor： Hyunju JUNG ,  Seulki KIM

IPC: G09F9/30 ,  H01L33/62 ,  H01L27/15 ,  G06F3/041 ,  G06F3/044

Abstract: In one or more embodiments of the present disclosure, a stretchable display device includes a lower substrate which is stretchable, a lower common electrode layer disposed on the lower substrate, a plurality of first substrates disposed on the lower common electrode layer, at least one transistor formed on each of the plurality of first substrates, a light emitting diode which is electrically connected to the at least one transistor, a cover insulating layer which covers at least one light emitting diode, and an upper common electrode layer formed on the cover insulating layer. The stretchable display device according to the above embodiments thereby stably supplies a common voltage.

公开(公告)号：US20200161403A1

公开(公告)日：2020-05-21

申请号：US16587879

申请日：2019-09-30

Applicant: LG Display Co., Ltd.

Inventor： Hyunju JUNG ,  Eunah KIM

IPC: H01L27/32 ,  H01L51/00

Abstract: A stretchable display device according to an embodiment of the present disclosure includes a stretchable first substrate. A plurality of second substrates is disposed on the first substrate and spaced apart from one another, and the second substrates have a greater rigidity than the first substrate. A transistor is disposed on each of the plurality of second substrates, and a planarization layer is disposed on the transistor. A light emitting element is disposed on the planarization layer, and the planarization layer may have a reverse-taper shape. Accordingly, since the planarization layer has a reverse-taper shape in the stretchable display device according to an embodiment of the present disclosure, it is possible to be in direct contact with lines at a lower portion without specific configuration.

公开(公告)号：US20200035778A1

公开(公告)日：2020-01-30

申请号：US16520159

申请日：2019-07-23

Applicant: LG Display Co., Ltd.

Inventor： Eunah KIM ,  Hyunju JUNG

IPC: H01L27/32 ,  H01L51/00 ,  H01L25/16 ,  H01L51/52 ,  H01L25/065

Abstract: Disclosed herein are a stretchable display panel and a stretchable device. The stretchable display panel comprises: a lower substrate having an active area and a non-active area surrounding the active area; a plurality of individual substrates disposed on the lower substrate, spaced apart from each other and located in the active area; a connection line electrically connecting a pad disposed on the individual substrate; a plurality of pixels disposed on the plurality of individual substrates; and an upper substrate disposed above the plurality of pixels, wherein the modulus of elasticity of the individual substrates is higher than that of at least one part of the lower substrate. Accordingly, the stretchable display device according to the present disclosure may have a structure that enables the stretchable display device to be more easily deformed when a user stretches or bends the stretchable display device and that can minimize damage to the components of the stretchable display device when the stretchable display device is deformed.