公开(公告)号：US20210192988A1

公开(公告)日：2021-06-24

申请号：US17119496

申请日：2020-12-11

Applicant: LG Display Co., Ltd.

Inventor： KiHan KIM ,  Hyokang LEE ,  MyungSub LIM ,  Sujin HAM ,  Hyowon KWON

IPC: G09F9/30 ,  G06F1/26 ,  G06F1/16

Abstract: The present disclosure provides a stretchable display device. The stretchable display device including a plurality of first substrates which is disposed on a lower substrate to be spaced apart from each other and includes at least one pixel. The display device includes a plurality of connection substrates which connects adjacent first substrates among the plurality of first substrates. The display device includes a plurality of connection lines which electrically connects pads disposed on the plurality of adjacent first substrates and is disposed on side surfaces of the plurality of connection substrates. Therefore, a resistance of the connection line may be reduced or minimized.

公开(公告)号：US20240178345A1

公开(公告)日：2024-05-30

申请号：US18367184

申请日：2023-09-12

Applicant: LG DISPLAY CO., LTD.

Inventor： Hyowon KWON ,  Il-Soo KIM

IPC: H01L33/24 ,  H01L25/075 ,  H01L33/00 ,  H01L33/32 ,  H01L33/44 ,  H01L33/62

CPC classification number: H01L33/24 ,  H01L25/0753 ,  H01L33/007 ,  H01L33/0093 ,  H01L33/32 ,  H01L33/44 ,  H01L33/62 ,  H01L2933/0025 ,  H01L2933/0066 ,  H01L2933/0091

Abstract: A display apparatus includes a package substrate in which a plurality of circuit elements are disposed, wherein the package substrate includes a holder area; and a light-emitting device, wherein the light-emitting device includes: a nitride semiconductor structure including a first semiconductor layer, an active layer, and a second semiconductor layer disposed sequentially; and a passivation pattern disposed on an outer surface of the nitride semiconductor structure, wherein the first semiconductor layer includes a protrusion, the protrusion protrudes in a direction away from the active layer, wherein the protrusion is disposed in the holder area.

公开(公告)号：US20240154057A1

公开(公告)日：2024-05-09

申请号：US18232699

申请日：2023-08-10

Applicant: LG Display Co., Ltd.

Inventor： Il-Soo KIM ,  Hyowon KWON

IPC: H01L33/06 ,  H01L25/16 ,  H01L33/38

CPC classification number: H01L33/06 ,  H01L25/167 ,  H01L33/382

Abstract: A light-emitting device can include a semiconductor structure including a undoped semiconductor layer, a superlattice layer, a first semiconductor layer, a light-emitting layer, and a second semiconductor layer; a protective layer disposed on a side surface of the semiconductor structure; a first electrode electrically connected to the first semiconductor layer; and a second electrode electrically connected to the second semiconductor layer. Also, a recess is formed in the undoped semiconductor layer and the superlattice layer, and the recess exposes a portion of a surface of the first semiconductor layer.

公开(公告)号：US20230214077A1

公开(公告)日：2023-07-06

申请号：US17988516

申请日：2022-11-16

Applicant: LG Display Co., Ltd.

Inventor： Jinseong KIM ,  JuHan KIM ,  Haewon LEE ,  MoonBae GEE ,  Hyowon KWON

IPC: G06F3/044

CPC classification number: G06F3/0446 ,  G06F3/0443 ,  G06F3/0448

Abstract: A display device according to an example embodiment of the present disclosure includes a touch pattern layer having a plurality of stretching patterns; and a touch electrode layer disposed on the touch pattern layer and having a plurality of touch electrodes, wherein each of the plurality of stretching patterns includes a plurality of unit patterns, wherein each of the plurality of touch electrodes includes a plurality of unit electrodes, wherein each of the plurality of unit patterns includes a first sub-unit pattern overlapping each of the plurality of unit electrode electrodes, and a second sub-unit pattern disposed inside the first sub-unit. Accordingly, laser lift off (LLO) process efficiency for the touch panel can be increased.

公开(公告)号：US20240250216A1

公开(公告)日：2024-07-25

申请号：US18421868

申请日：2024-01-24

Applicant: LG Display Co., Ltd.

Inventor： Il-Soo KIM ,  Myungsoo HAN ,  Hyowon KWON

IPC: H01L33/38 ,  H01L25/075 ,  H01L27/12 ,  H01L33/58

CPC classification number: H01L33/385 ,  H01L25/0753 ,  H01L27/124 ,  H01L33/58

Abstract: Disclosed is a display apparatus including a light-emitting device having a light-emitting structure including a first semiconductor layer, an active layer and a second semiconductor layer, a passivation layer covering surfaces of the light-emitting structure. The light-emitting device includes at least one first electrode coupled to the first semiconductor layer and at least one second electrode coupled to the second semiconductor layer. A first electrode includes a first upper portion extending through the passivation layer to contact the first semiconductor layer, a first side portion, and a first lower portion on a portion of a side surface and a lower surface of the light-emitting structure, respectively. A second electrode includes a second upper portion extending through the passivation layer to contact the second semiconductor layer, a second side portion and a second lower portion on a portion of the side surface and the lower surface of the light-emitting structure, respectively.

公开(公告)号：US20230207537A1

公开(公告)日：2023-06-29

申请号：US17981111

申请日：2022-11-04

Applicant: LG Display Co., Ltd.

Inventor： Hyowon KWON ,  HyeMi LEE

IPC: H01L25/075 ,  H01L23/538 ,  H01L21/683 ,  H01L33/62

CPC classification number: H01L25/0753 ,  H01L23/5387 ,  H01L21/6838 ,  H01L33/62 ,  H01L2221/68354 ,  H01L2221/68363 ,  H01L2221/68381 ,  H01L2933/0066

Abstract: A display device according to an example embodiment of the present disclosure includes a stretchable lower substrate; and a pattern layer disposed on the lower substrate and including a plurality of plate patterns on which a plurality of sub-pixels are disposed and a plurality of line patterns; a plurality of individual connection pads and a common connection pad disposed on each of the plurality of plate patterns and having different heights corresponding to each of the plurality of sub-pixels; and a plurality of light emitting elements connected to the plurality of individual connection pads and the common connection pad.

公开(公告)号：US20240405183A1

公开(公告)日：2024-12-05

申请号：US18800717

申请日：2024-08-12

Applicant: LG Display Co., Ltd.

Inventor： JunHyuk SONG ,  Hyokang LEE ,  Hyowon KWON ,  MoonBae GEE ,  KiHan KIM

IPC: H01L33/62 ,  H01L27/15 ,  H01L33/00

Abstract: According to an aspect of the present disclosure, the display device includes a lower substrate and a plurality of pixel substrates disposed on the lower substrate. The display device also includes a plurality of transistors disposed on the plurality of pixel substrates and a planarization layer disposed on the plurality of pixel substrates to cover upper portions of the plurality of transistors. The display device further includes a plurality of individual connection pads and a common connection pad disposed on the planarization layer. The display device also includes a plurality of light emitting diodes disposed on the plurality of individual connection pads and the common connection pad. At least one of the plurality of individual connection pads and the common connection pad may have a multilayer structure.

公开(公告)号：US20240250212A1

公开(公告)日：2024-07-25

申请号：US18397741

申请日：2023-12-27

Applicant: LG Display Co., Ltd.

Inventor： Il-Soo KIM ,  Myungsoo HAN ,  Jung-Hun CHOI ,  Hyowon KWON ,  Dongwon YANG

IPC: H01L33/32 ,  H01L25/16

CPC classification number: H01L33/32 ,  H01L25/167

Abstract: Disclosed is a light-emitting device including a light-emitting structure including a first semiconductor layer, an active layer, and a second semiconductor layer; a first electrode connected to the first semiconductor layer; and a second electrode connected to the second semiconductor layer, wherein an energy bandgap of the first semiconductor layer decreases as the first semiconductor layer extends away from the active layer.

公开(公告)号：US20220165716A1

公开(公告)日：2022-05-26

申请号：US17532608

申请日：2021-11-22

Applicant: LG Display Co., Ltd.

Inventor： Hyowon KWON ,  KiHan KIM ,  Hyokang LEE ,  JunHyuk SONG

IPC: H01L25/075 ,  H01L23/538 ,  H01L33/54 ,  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. The display device also includes a plurality of second substrates coupling first substrates adjacent to each other among the plurality of first substrates. The display device further includes a plurality of pixels disposed on the plurality of first substrates. The display device also includes a plurality of connection lines disposed on the plurality of second substrates and coupling the plurality of pixels. The display device further includes a protection layer disposed on each of the plurality of pixels.

公开(公告)号：US20220158057A1

公开(公告)日：2022-05-19

申请号：US17527885

申请日：2021-11-16

Applicant: LG Display Co., Ltd.

Inventor： JunHyuk SONG ,  Hyokang LEE ,  Hyowon KWON ,  MoonBae GEE ,  KiHan KIM

IPC: H01L33/62 ,  H01L27/15 ,  H01L33/00

Abstract: According to an aspect of the present disclosure, the display device includes a lower substrate and a plurality of pixel substrates disposed on the lower substrate. The display device also includes a plurality of transistors disposed on the plurality of pixel substrates and a planarization layer disposed on the plurality of pixel substrates to cover upper portions of the plurality of transistors. The display device further includes a plurality of individual connection pads and a common connection pad disposed on the planarization layer. The display device also includes a plurality of light emitting diodes disposed on the plurality of individual connection pads and the common connection pad. At least one of the plurality of individual connection pads and the common connection pad may have a multilayer structure.