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：US12004379B2

公开(公告)日：2024-06-04

申请号：US17526733

申请日：2021-11-15

Applicant: LG Display Co., Ltd.

Inventor： Sul Lee ,  Jonghyeok Lim ,  Hyoungsu Kim

IPC: H10K59/123 ,  G06F3/041 ,  G06F3/044 ,  H10K50/844 ,  H10K59/12 ,  H10K59/121 ,  H10K59/131 ,  H10K59/35 ,  H10K59/40

CPC classification number: H10K59/123 ,  G06F3/0412 ,  G06F3/04164 ,  G06F3/0448 ,  H10K50/844 ,  H10K59/12 ,  H10K59/121 ,  H10K59/131 ,  G06F3/0446 ,  H10K59/351 ,  H10K59/40

Abstract: A display device can include a plurality of light emitting parts disposed to correspond to a plurality of pixel electrodes in a display area, a plurality of transmission parts, each transmission part among the plurality of transmission parts being disposed at a side of at least one of the plurality of light emitting parts; and a touch metal having a plurality of first touch metals extending in a first direction and a plurality of second touch metals extending in a second on the plurality of pixel electrodes. Also, each of the plurality of pixel electrodes includes a plurality of sub-pixel electrodes, and each of the plurality of sub-pixel electrodes is divided into a plurality of parts connected to each other by a sub-pixel connecting part narrower than each part among the plurality of parts, in which a portion of the first touch metals is disposed above the sub-pixel connecting part.

公开(公告)号：US09748512B2

公开(公告)日：2017-08-29

申请号：US14919580

申请日：2015-10-21

Applicant: LG DISPLAY CO., LTD.

Inventor： Hyoungsu Kim ,  Namwook Cho ,  Jaehee Park ,  Euitae Kim ,  Buyeol Lee ,  Hyuntaek Lim ,  Junbae Son ,  Myungjae Yoo ,  Jaemyon Lee

IPC: H01L33/00 ,  H01L51/52 ,  H01L51/00 ,  H01L27/32

CPC classification number: H01L51/5228 ,  H01L27/3246 ,  H01L27/326 ,  H01L51/0097 ,  H01L51/5234 ,  H01L2251/5323

Abstract: A see-through organic light emitting display device including a light emitting region having a transparent anode, an organic light emitting layer, and a transparent cathode, and a see-through region having a transparent auxiliary electrode, which is configured to transmit external light. The transparent auxiliary electrode can be made from the same material as the transparent anode and separated from the transparent anode, and the transparent cathode extends into the see-through region so as to be electrically connected with the transparent auxiliary electrode.