公开(公告)号：US20230413611A1

公开(公告)日：2023-12-21

申请号：US18240961

申请日：2023-08-31

Applicant: LG Display Co., Ltd.

Inventor： Sunmi LEE ,  JungSun BEAK ,  Seongjoo LEE

IPC: H10K59/122 ,  H10K50/813 ,  H10K50/818 ,  H10K59/123

CPC classification number: H10K59/122 ,  H10K50/813 ,  H10K50/818 ,  H10K59/123

Abstract: A display panel and an organic light emitting display device with enhanced light extraction efficiency is described. The display panel and the display device include an insulating film including at least one concave portion, a first electrode disposed to cover the concave portion, a bank including a first part on the first electrode and overlapping a part of the flat portion of the concave portion, a second part extending from the first part and overlapping an inclined portion of the concave portion, and a third part extending from the second part and disposed on the side portion, an organic layer overlapping the concave portion, and a second electrode on the organic layer and the bank. A width of the first part of the bank is wider than a width of the second part of the bank. Thus, it is possible to provide a display device with enhanced light extraction efficiency.

公开(公告)号：US20230337476A1

公开(公告)日：2023-10-19

申请号：US18338513

申请日：2023-06-21

Applicant: Samsung Display Co., Ltd.

Inventor： Sun-Kyu JOO ,  In Seok SONG ,  Keun Chan OH ,  Byung-Chul KIM ,  In Ok KIM ,  Gak Seok LEE ,  Chang-Soon JANG

IPC: H10K59/122 ,  H10K50/11 ,  H10K50/81 ,  H10K50/82 ,  H10K50/84 ,  H10K50/813 ,  H10K59/35 ,  H10K59/38 ,  H10K59/121

CPC classification number: H10K59/122 ,  H10K50/11 ,  H10K50/81 ,  H10K50/82 ,  H10K50/84 ,  H10K50/813 ,  H10K59/35 ,  H10K59/38 ,  H10K59/353 ,  H10K59/1213 ,  H10K50/856

Abstract: A display device includes a substrate, a thin film transistor on the substrate, an interlayer insulating layer on the thin film transistor, an electrode on the interlayer insulating layer, the electrode including an emission region, a contact region overlapping the thin film transistor, and a dummy region protruding from the emission region in a direction different from the contact region, and an emission layer on the electrode, the emission region of the electrode overlapping the emission layer.

公开(公告)号：US11778868B2

公开(公告)日：2023-10-03

申请号：US17727566

申请日：2022-04-22

Applicant: LG Display Co., Ltd.

Inventor： Sunmi Lee ,  JungSun Beak ,  Seongjoo Lee

IPC: H10K59/122 ,  H10K50/813 ,  H10K50/818 ,  H10K59/123

CPC classification number: H10K59/122 ,  H10K50/813 ,  H10K50/818 ,  H10K59/123

Abstract: A display panel and an organic light emitting display device with enhanced light extraction efficiency is described. The display panel and the display device include an insulating film including at least one concave portion, a first electrode disposed to cover the concave portion, a bank including a first part on the first electrode and overlapping a part of the flat portion of the concave portion, a second part extending from the first part and overlapping an inclined portion of the concave portion, and a third part extending from the second part and disposed on the side portion, an organic layer overlapping the concave portion, and a second electrode on the organic layer and the bank. A width of the first part of the bank is wider than a width of the second part of the bank. Thus, it is possible to provide a display device with enhanced light extraction efficiency.

公开(公告)号：US11751435B2

公开(公告)日：2023-09-05

申请号：US17369877

申请日：2021-07-07

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunmin Cho ,  Taesung Kim ,  Yunjong Yeo ,  Sanggab Kim ,  Daewon Choi

IPC: H10K59/122 ,  H10K50/813 ,  H10K50/822 ,  H10K71/00 ,  H10K102/00

CPC classification number: H10K59/122 ,  H10K50/813 ,  H10K50/822 ,  H10K71/00 ,  H10K2102/351

Abstract: An embodiment of a display device includes a substrate including a display area; an organic layer and having a protrusion protruding in a thickness direction of the substrate and overlapping the display area; a first electrode on the organic layer and overlapping the display area; a pixel defining layer covering the protrusion and an edge of the first electrode and having an opening portion overlapping the first electrode; an emission layer on the first electrode and overlapping the opening portion; and a second electrode on the emission layer, wherein the pixel defining layer includes an inorganic material, and a first distance from an upper surface of the substrate to a lower surface of the first electrode is less than a second distance from the upper surface of the substrate to an upper surface of the protrusion, the lower surface of the first electrode facing the upper surface of the substrate.

公开(公告)号：US11744131B2

公开(公告)日：2023-08-29

申请号：US17806919

申请日：2022-06-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaohu Li ,  Huajie Yan ,  Hongsheng Zhan ,  Tun Liu ,  Zhiqiang Jiao

IPC: H10K59/38 ,  H10K50/15 ,  H10K50/813 ,  H10K50/816 ,  H10K50/822 ,  H10K59/12 ,  H10K59/35 ,  H10K71/00

CPC classification number: H10K59/38 ,  H10K50/156 ,  H10K50/813 ,  H10K50/816 ,  H10K50/822 ,  H10K59/12 ,  H10K59/353 ,  H10K71/00

Abstract: Embodiments of the present disclosure provide an OLED device, a method of manufacturing the OLED device, and a display panel. The OLED device comprises: a substrate, a first electrode layer, a color filter layer, a light emitting layer and a second electrode layer. The first electrode layer is one of an anode layer or a cathode layer and comprises: a first sub-electrode layer disposed on the substrate; and a second sub-electrode layer electrically connected with the first sub-electrode layer. The color filter layer is disposed on the first sub-electrode layer and the second sub-electrode layer is disposed on the color filter layer. The second electrode layer is the other of the anode layer or the cathode layer and the light emitting layer is disposed between the second electrode layer and the second sub-electrode layer of the first electrode layer.

公开(公告)号：US11737303B2

公开(公告)日：2023-08-22

申请号：US16957292

申请日：2019-08-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Kui Zhang ,  Li Liu ,  Pengcheng Lu ,  Yunlong Li

IPC: H01L21/00 ,  H10K50/813 ,  H10K59/131 ,  H10K71/00 ,  H10K50/822 ,  H10K59/12 ,  H10K59/88

CPC classification number: H10K50/813 ,  H10K50/822 ,  H10K59/131 ,  H10K71/00 ,  H10K59/1201 ,  H10K59/88

Abstract: An organic light-emitting diode (OLED) display substrate, a manufacturing method thereof, and a display device are disclosed. In the OLED display substrate, an anode pattern is located at a side of an insulating layer away from a base substrate and is located in an effective display region; an organic light-emitting layer is located on the anode pattern; a periphery region includes a lead wire region and a virtual region that are at least partly overlapped; a lead wire is located in the lead wire region; the virtual region is provided with a virtual anode pattern, the virtual anode pattern is insulated from the lead wire; the periphery region further includes an annular electrode surrounding the effective display region; a cathode is electrically connected with the annular electrode; the virtual region is located at an outer side of the annular electrode away from the effective display region.

公开(公告)号：US20230209863A1

公开(公告)日：2023-06-29

申请号：US18117942

申请日：2023-03-06

Applicant: LG DISPLAY CO., LTD.

Inventor： Seongwoong JEONG ,  MinKyu KIM

IPC: H10K50/813 ,  G06F3/044 ,  H10K59/40 ,  H10K59/131 ,  H10K71/00

CPC classification number: H10K50/813 ,  G06F3/044 ,  H10K59/40 ,  H10K59/131 ,  H10K71/00 ,  G06F3/0412

Abstract: A display device is provided that includes a substrate including an active area and a non-active area, a planarization film disposed over the substrate, an anode electrode disposed on the planarization film and including a first hole in the non-active area, a bank disposed on the anode electrode, a cathode electrode disposed on the bank, an encapsulation layer disposed on the cathode electrode, and a touch sensor disposed on the encapsulation layer and including a touch line in the non-active area. Here, the first hole may be disposed not to overlap with the touch line.

公开(公告)号：US11683945B2

公开(公告)日：2023-06-20

申请号：US17369016

申请日：2021-07-07

Applicant: InnoLux Corporation

Inventor： Yu-Hsien Wu ,  Yu-Sheng Tsai ,  Kuan-Feng Lee ,  Chandra Lius

IPC: G09G3/34 ,  H10K50/805 ,  H10K50/813 ,  H10K59/126 ,  H10K59/127 ,  H10K59/131

CPC classification number: H10K50/805 ,  G09G3/3406 ,  H10K50/813 ,  H10K59/126 ,  H10K59/127 ,  H10K59/131 ,  G09G2310/0264

Abstract: A display device is provided. The display device includes a substrate, a driving transistor, a first insulation layer, a first electrode and a second insulation layer. The driving transistor is disposed on the substrate and includes a gate electrode, and the gate electrode projects a first projection profile on the substrate. The first insulation layer is disposed on the driving transistor. The first electrode is disposed on the first insulation layer, and projects a second projection profile on the substrate. The second insulation layer is disposed on the first electrode and the first insulation layer. The second insulation layer has an opening, the opening exposes a portion of the first electrode, and the opening projects a third projection profile on the substrate.

公开(公告)号：US20230172007A1

公开(公告)日：2023-06-01

申请号：US18161840

申请日：2023-01-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Duckjung LEE ,  Hyejin GWARK ,  Arong KIM ,  Jungsun PARK ,  Hyunsung BANG

IPC: H10K59/122 ,  H10K50/813 ,  H10K50/822 ,  H10K50/824 ,  H10K59/131 ,  H10K71/00

CPC classification number: H10K59/122 ,  H10K50/813 ,  H10K50/822 ,  H10K50/824 ,  H10K59/1315 ,  H10K71/00 ,  H10K50/15

Abstract: An organic light-emitting display apparatus, including a substrate including a plurality of pixel areas and non-pixel areas in a display area, a plurality of pixel electrodes respectively corresponding to the plurality of pixel areas, a pixel-defining layer including a cover portion and openings, wherein the cover portion covers an edge of each of the plurality of pixel electrodes, and each of the openings exposes a central portion of a pixel electrode among the plurality of pixel electrodes, an auxiliary electrode located such that the auxiliary electrode corresponds to at least a portion of a top surface of the cover portion, and an intermediate layer and a counter electrode, each located in the openings. The pixel-defining layer may have an under-cut structure in which the at least a portion of the top surface of the cover portion is recessed from the auxiliary electrode.

公开(公告)号：US11665946B2

公开(公告)日：2023-05-30

申请号：US17232157

申请日：2021-04-16

Applicant: YUNGU (GU'AN) TECHNOLOGY CO., LTD.

Inventor： Li Lin ,  Shixing Cai ,  Junhui Lou

IPC: H01L51/50

CPC classification number: H10K59/179 ,  H10K50/813 ,  H10K50/822 ,  H10K71/00 ,  H10K50/828 ,  H10K2102/101 ,  H10K2102/102 ,  H10K2102/103

Abstract: A display panel, a display device, and a method for manufacturing the display panel are provided. The display panel includes two electrode layers and a luminous functional layer stacked between the two electrode layers. Each electrode layer has a first surface and a second surface opposite to each other in a thickness direction thereof. The first surface of each electrode layer is attached to and in contact with the luminous functional layer. Each electrode layer includes at least one insulation section and at least one electrode section integrated as a single body. A material of the electrode section is a conductively modified form of a material of the insulation section. The electrode section is in contact with the luminous functional layer and is in a conductive state at least at the first surface. The electrode layer in the present disclosure has no conductive pattern and will not cause optical disturbance.