公开(公告)号：US20220208887A1

公开(公告)日：2022-06-30

申请号：US17560123

申请日：2021-12-22

Applicant: LG Display Co., Ltd.

Inventor： DooHyun Yoon ,  HyeSeon Eom ,  Hyoung-Su Kim ,  MoonSoo Kim

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device may reduce or minimize a size of a light emission area that becomes a dark spot due to particles. The display device includes a substrate provided with a display area for displaying an image by subpixels, first electrodes provided in each of the subpixels over the substrate, driving transistors provided between the substrate and the first electrodes and coupled to each of the first electrodes, a light emitting layer provided over the first electrodes, and a second electrode provided over the light emitting layer. Each of the first electrodes includes divided electrodes spaced apart from each other, a transistor contact portion coupled with the driving transistor through a contact hole, and connection electrodes coupling each of the plurality of divided electrodes with the transistor contact portion.

公开(公告)号：US11189678B2

公开(公告)日：2021-11-30

申请号：US16696674

申请日：2019-11-26

Applicant: LG Display Co., Ltd.

Inventor： HyeSeon Eom ,  Doohyun Yoon

IPC: H01L27/32 ,  H01L27/12 ,  H01L29/786

Abstract: An electroluminescent display apparatus can include a driving thin film transistor on a substrate, the driving thin film transistor including a gate electrode, a source electrode, a drain electrode, and an active region; a capacitor electrode facing the gate electrode; a first electrode electrically connected to the source electrode; a light emitting layer on the first electrode; and a second electrode on the light emitting layer, wherein the gate electrode and the capacitor electrode extend in a vertical direction with respect to a surface of the substrate.

公开(公告)号：US20230070323A1

公开(公告)日：2023-03-09

申请号：US17901530

申请日：2022-09-01

Applicant: LG Display Co., Ltd.

Inventor： DooHyun Yoon ,  Hun Jang ,  HyeSeon Eom

IPC: H01L27/32 ,  H01L51/52

Abstract: According to an aspect of the present disclosure, a display device includes: a plurality of substrates disposed in a plurality of subpixels and each configured as one of a transparent conducting oxide layer and an oxide semiconductor layer; a plurality of transistors respectively disposed on the plurality of substrates and provided in the plurality of subpixels, respectively; a plurality of data lines extending in a column direction between the plurality of subpixels and configured to transmit data voltages to the plurality of subpixels; and a plurality of light-emitting elements respectively disposed in the plurality of subpixels and electrically connected to the plurality of transistors, in which the plurality of substrates is disposed to spaced apart from one another, and in which the plurality of data lines is disposed in a region in which the plurality of substrates is spaced apart from one another.

公开(公告)号：US11024691B2

公开(公告)日：2021-06-01

申请号：US16546575

申请日：2019-08-21

Applicant: LG Display Co., Ltd.

Inventor： Gyungmin Kim ,  HyeSeon Eom ,  DooHyun Yoon

IPC: H01L27/32 ,  G09G3/20 ,  G02B27/01 ,  G06F1/16 ,  H01L27/12

Abstract: Discussed is an electroluminescent display device, wherein a first electrode of a first sub pixel includes a first lower electrode and a first upper electrode, a first electrode of a second sub pixel includes a second lower electrode and a second upper electrode, a first electrode of a third sub pixel includes a third lower electrode and a third upper electrode, a distance between the first lower electrode and the first upper electrode, a distance between the second lower electrode and the second upper electrode, and a distance between the third lower electrode and the third upper electrode are different from one another, the third upper electrode includes a third lower layer and a third upper layer, and the third lower layer is formed in the same pattern as that of the third lower electrode in an upper surface of the third lower electrode.

公开(公告)号：US20240186471A1

公开(公告)日：2024-06-06

申请号：US18209555

申请日：2023-06-14

Applicant: LG Display Co., Ltd.

Inventor： HyeSeon Eom ,  MinSeok Kim ,  SuMin Lee

IPC: H01L33/62 ,  G09G3/00 ,  H01L25/075 ,  H01L25/16

CPC classification number: H01L33/62 ,  G09G3/006 ,  H01L25/0753 ,  H01L25/167 ,  G09G2330/10 ,  G09G2330/12

Abstract: A display device includes a substrate including a plurality of sub-pixels, a pixel circuit disposed in each of the plurality of sub-pixels on the substrate, a first light emitting element disposed in each of the plurality of sub-pixels, disposed on one side of the pixel circuit, and including a first electrode, a semiconductor layer, and a second electrode, a second light emitting element disposed in each of the plurality of sub-pixels, disposed on the other side of the pixel circuit, and including a first electrode, a semiconductor layer, and a second electrode and a pixel electrode electrically connected to the pixel circuit and extending to the first light emitting element and the second light emitting element, thus a defective light emitting element of the sub-pixel can be easily repaired.

公开(公告)号：US11502156B2

公开(公告)日：2022-11-15

申请号：US17031597

申请日：2020-09-24

Applicant: LG Display Co., Ltd.

Inventor： DooHyun Yoon ,  HyeSeon Eom ,  GyungMin Kim

IPC: H01L27/32 ,  H01L51/52

Abstract: The present disclosure relates to a stretchable display device. The stretchable display device includes a lower substrate, a plurality of pixel substrates which is disposed on the lower substrate to be spaced apart from each other, a plurality of first power lines disposed on the plurality of pixel substrates, a plurality of second power lines disposed on the plurality of pixel substrates, a plurality of driving transistors which is disposed on the plurality of pixel substrates and is electrically connected to the plurality of second power lines, and a plurality of light emitting diodes which is disposed on the plurality of pixel substrates and includes an anode electrically connected to the plurality of first power lines and a cathode electrically connected to the plurality of driving transistors. Accordingly, instead of the driving transistor, the anode of the light emitting diode is directly connected to the first power line to achieve a common anode structure, thereby reducing or minimizing fluctuation of the gate-source voltage Vgs of the driving transistor.