公开(公告)号：US10950822B2

公开(公告)日：2021-03-16

申请号：US16224280

申请日：2018-12-18

Applicant: LG DISPLAY CO., LTD.

Inventor： Kiseob Shin ,  Hyoungsu Kim ,  Doohyun Yoon

IPC: H01L51/52 ,  H01L27/32

Abstract: A display device is provided that can increase brightness by improving light extraction efficiency. The display device can include a thin-film transistor disposed on a substrate, a first overcoat layer disposed on the thin-film transistor and including a groove portion, a reflective layer disposed on the first overcoat layer including the inside of the groove portion, a color filter disposed on the reflective layer and located in the groove portion, a second overcoat layer disposed on the color filter and the reflective layer, a first electrode disposed on the second overcoat layer and connected to the thin-film transistor, a bank layer disposed on the first electrode and including an open portion exposing the first electrode, an organic layer disposed on the bank layer and the first electrode, and a second electrode disposed on the organic film layer.

公开(公告)号：US20190198819A1

公开(公告)日：2019-06-27

申请号：US16224280

申请日：2018-12-18

Applicant: LG DISPLAY CO., LTD.

Inventor： Kiseob Shin ,  Hyoungsu Kim ,  Doohyun Yoon

IPC: H01L51/52 ,  H01L27/32

CPC classification number: H01L51/5271 ,  H01L27/322 ,  H01L27/3246 ,  H01L27/3258

Abstract: A display device is provided that can increase brightness by improving light extraction efficiency. The display device can include a thin-film transistor disposed on a substrate, a first overcoat layer disposed on the thin-film transistor and including a groove portion, a reflective layer disposed on the first overcoat layer including the inside of the groove portion, a color filter disposed on the reflective layer and located in the groove portion, a second overcoat layer disposed on the color filter and the reflective layer, a first electrode disposed on the second overcoat layer and connected to the thin-film transistor, a bank layer disposed on the first electrode and including an open portion exposing the first electrode, an organic layer disposed on the bank layer and the first electrode, and a second electrode disposed on the organic film layer.

公开(公告)号：US11935993B2

公开(公告)日：2024-03-19

申请号：US17028605

申请日：2020-09-22

Applicant: LG Display Co., Ltd.

Inventor： Hyeseon Eom ,  Jonghyeok Im ,  Doohyun Yoon

IPC: H01L29/20 ,  H01L23/538 ,  H01L25/075 ,  H01L27/12 ,  H01L33/00 ,  H01L33/62 ,  G09G3/32

CPC classification number: H01L33/62 ,  H01L23/5387 ,  H01L25/0753 ,  H01L27/1214 ,  G09G3/32 ,  G09G2310/0275 ,  G09G2380/02

Abstract: A stretchable display device according to present disclosure may include a base substrate, a plurality of first substrates on the base substrate, a plurality of second substrates connecting adjacent first substrates, inorganic insulating layers on the first substrates, an organic insulating layer disposed on the first substrates so as to cover top surfaces and side surfaces of the inorganic insulating layers. The device includes first connection lines disposed on the organic insulating layer on the first substrates and disposed on a second substrate extending in a first direction, second connection lines disposed between the inorganic insulating layers and the organic insulating layer on the first substrates and disposed on a second substrate extending in a second direction, and a step alleviating layer disposed between the second connection lines and the inorganic insulating layers.

公开(公告)号：US11758778B2

公开(公告)日：2023-09-12

申请号：US17122599

申请日：2020-12-15

Applicant: LG Display Co., Ltd.

Inventor： Hyoung-Su Kim ,  Hyeseon Eom ,  Doohyun Yoon

IPC: H10K59/131 ,  G09G3/3258 ,  G09G3/3291 ,  H10K59/65

CPC classification number: H10K59/131 ,  G09G3/3258 ,  G09G3/3291 ,  H10K59/65

Abstract: An organic light emitting display apparatus includes an organic light emitting display panel including a display area, including a transparent area and an opaque area, and a non-display area, a gate driver sequentially supplying a gate pulse to a plurality of gate lines included in the organic light emitting display panel, and an initialization unit transferring gate pulses and/or initialization control signals, output from the gate driver, to a plurality of transparent area gate lines. A camera photographing a region in a forward direction with respect to the organic light emitting display panel is provided in the transparent area of a rear surface of the organic light emitting display panel. A first pixel driving circuit provided in the transparent area includes two transistors, and a second pixel driving circuit provided in the opaque area includes at least three transistors.

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.