公开(公告)号：US10439160B2

公开(公告)日：2019-10-08

申请号：US15811979

申请日：2017-11-14

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoung Choung ,  Arong Kim ,  Yeonhwa Lee

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/50 ,  H01L51/56 ,  G09G3/3233

Abstract: A display device includes: a substrate including a first pixel area (PA) and a second PA, the first PA being spaced apart from the second PA by a non-PA; a first pixel electrode (PE) overlapping the first PA; a second PE overlapping the second PA; a pixel-defining layer including a first opening overlapping the first PE and a second opening overlapping the second PE; a first intermediate layer (IL) on the first PE, the first IL including a first emission layer (EL); a second IL on the second PE, the second IL including a second EL spaced apart from the first EL; a first opposite electrode (OE) on the first IL; a second OE on the second IL, the second OE being spaced apart from the first OE; and a wiring layer (WL) overlapping the non-PA, the WL contacting respective portions of the first OE and the second OE.

公开(公告)号：US10424627B2

公开(公告)日：2019-09-24

申请号：US15834108

申请日：2017-12-07

Applicant: Samsung Display Co., Ltd.

Inventor： Joongu Lee ,  Jaesik Kim ,  Jaeik Kim ,  Yeonhwa Lee ,  Sehoon Jeong

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: An organic light-emitting display device includes a first pixel electrode, a second pixel electrode, a pixel-defining layer disposed on the first pixel electrode and the second pixel electrode and exposing at least portions of the first pixel electrode and the second pixel electrode, a first stack disposed on the exposed portion of the first pixel electrode, a first protective layer, a second stack disposed on the exposed portion of the second pixel electrode, and a first inorganic conductive layer. The first stack includes a first intermediate layer including an emission layer and a first opposite electrode on the first intermediate layer. The first protective layer is disposed on the first stack. The second stack includes a second intermediate layer including an emission layer and a second opposite electrode on the second intermediate layer. The first inorganic conductive layer is disposed between the second pixel electrode and the second stack.

公开(公告)号：US12274116B2

公开(公告)日：2025-04-08

申请号：US17931285

申请日：2022-09-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeik Kim ,  Jaesik Kim ,  Yeonhwa Lee ,  Joongu Lee ,  Sehoon Jeong ,  Jiyoung Choung

IPC: H10K50/16 ,  H10K50/11 ,  H10K50/125 ,  H10K50/17 ,  H10K50/81 ,  H10K59/122 ,  H10K71/00 ,  H10K101/30 ,  H10K101/40 ,  H10K102/00

Abstract: An organic light-emitting display apparatus and a manufacturing method thereof have improved process stability and reliability by reducing damage to the organic light-emitting display apparatus during a manufacturing process. The organic light-emitting display apparatus includes: a substrate, a plurality of pixel electrodes, a pixel defining film, a plurality of hole control layers respectively arranged on the pixel electrodes, a plurality of emission layers respectively arranged on the hole control layers, a plurality of buffer layers respectively arranged on the emission layers, each of the buffer layers having a highest occupied molecular orbital (HOMO) energy level greater than the HOMO energy level of each of the plurality of emission layers, and an opposite electrode integrally provided over the buffer layers.

公开(公告)号：US20250057009A1

公开(公告)日：2025-02-13

申请号：US18597742

申请日：2024-03-06

Applicant: Samsung Display Co., Ltd.

Inventor： Joongu Lee ,  Hwi Kim ,  Jungsun Park ,  Jihee Son ,  Seoulki Lee ,  Seungjun Lee ,  Areum Lee ,  Yeonhwa Lee

IPC: H10K59/80 ,  H10K59/122

Abstract: A display apparatus includes a pixel area and an adjacent transmission area, first to third sub-pixel electrodes disposed on a substrate, disposed in the pixel area, and spaced apart from each other, a bank layer overlapping an edge of each of the first to third sub-pixel electrodes, first to third intermediate layers respectively disposed on the first to third sub-pixel electrodes and spaced apart from each other, first to third opposite electrodes respectively disposed on the first to third intermediate layers and spaced apart from each other, and an auxiliary electrode disposed on the bank layer. The first to third opposite electrodes respectively pass through edges of the first to third intermediate layers and electrically contact the auxiliary electrode.

公开(公告)号：US12022694B2

公开(公告)日：2024-06-25

申请号：US18203949

申请日：2023-05-31

Applicant: Samsung Display Co., Ltd.

Inventor： Yeonhwa Lee ,  Jaeik Kim ,  Joongu Lee ,  Hye Jin Gwark ,  Jungsun Park ,  Heemin Park

IPC: H10K59/122 ,  H10K71/00

CPC classification number: H10K59/122 ,  H10K71/00

Abstract: A display panel includes an emitting part including a light emitting element and a transmitting part adjacent to the emitting part and including a low adhesion part including a carbon compound. The low adhesion pattern includes fluorine (F).

公开(公告)号：US20230205261A1

公开(公告)日：2023-06-29

申请号：US18108665

申请日：2023-02-13

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeik Kim ,  Jaesik Kim ,  Yeonhwa Lee ,  Joongu Lee ,  Jiyoung Choung

IPC: G06F1/16 ,  H10K59/121 ,  H10K71/00

CPC classification number: G06F1/1609 ,  H10K59/121 ,  H10K71/00 ,  H10K50/805

Abstract: A display apparatus having high external light transmittance and a manufacturing method of the display apparatus are provided, wherein the display apparatus does not substantially include a common electrode in a transmission region. Particularly, a display apparatus includes a first substrate, a second substrate facing the first substrate, and a display unit interposed between the first substrate and the second substrate.

公开(公告)号：US20230135268A1

公开(公告)日：2023-05-04

申请号：US17951128

申请日：2022-09-23

Applicant: Samsung Display Co., Ltd.

Inventor： Arong Kim ,  Jungsun Park ,  Hyejin Gwark ,  Heemin Park ,  Yeonhwa Lee ,  Kyuhwan Hwang ,  Jaeik Kim ,  Joongu Lee

IPC: H01L27/32 ,  H01L51/52

Abstract: A display apparatus includes an auxiliary line that includes a main sublayer, a lower sublayer arranged under the main sublayer, and an upper sublayer arranged over the main sublayer, a partition wall adjacent to the auxiliary line and that includes an opening corresponding to a side surface of the auxiliary line, a first electrode adjacent to the auxiliary line, a second electrode arranged over the first electrode and the auxiliary line, and an intermediate layer arranged between the first electrode and the second electrode and that includes an emission layer, wherein the upper sublayer of the auxiliary line includes a tip protruding in a lateral direction from a point where a side surface and an upper surface of the main sublayer meet each other, an upper end of the partition wall is spaced apart from the tip of the auxiliary line, and the second electrode contacts the auxiliary line.

公开(公告)号：US11450726B2

公开(公告)日：2022-09-20

申请号：US16866112

申请日：2020-05-04

Applicant: Samsung Display Co., Ltd.

Inventor： Sehoon Jeong ,  Jaesik Kim ,  Jaeik Kim ,  Yeonhwa Lee ,  Joongu Lee

IPC: H01L29/08 ,  H01L27/32 ,  H01L51/56

Abstract: According to an aspect of the invention, a display apparatus includes: a substrate comprising a first area and a second area; a first pixel electrode in the first area and a second pixel electrode in the second area; a first intermediate layer disposed on the first pixel electrode and a second intermediate layer disposed on the second pixel electrode; a first opposite electrode facing the first pixel electrode with the first intermediate layer therebetween and having a first light transmissivity; and a second opposite electrode facing the second pixel electrode with the second intermediate layer therebetween and having a second light transmissivity lower than the first light transmissivity.

公开(公告)号：US11283041B2

公开(公告)日：2022-03-22

申请号：US16696258

申请日：2019-11-26

Applicant: Samsung Display Co., Ltd.

Inventor： Yeonhwa Lee ,  Jaesik Kim ,  Jaeik Kim ,  Joongu Lee ,  Sehoon Jeong ,  Jiyoung Choung

IPC: H01L51/52 ,  H01L27/32

Abstract: A display device includes: a circuit element layer comprising a transistor; a display element layer comprising a first electrode connected to the transistor, a second electrode facing the first electrode, an organic pattern between the first electrode and the second electrode, a pixel defining layer having an opening exposing the first electrode, an auxiliary electrode spaced apart from the opening to cover a portion of the pixel defining layer and connected to the second electrode, a first protection pattern covering the second electrode, and a second protection pattern covering the first protection pattern; and an encapsulation layer covering the display element layer, wherein the first protection pattern and the second protection pattern have stress in directions different from each other.

公开(公告)号：US10784462B2

公开(公告)日：2020-09-22

申请号：US16534607

申请日：2019-08-07

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoung Choung ,  Arong Kim ,  Yeonhwa Lee

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/50 ,  H01L51/56

Abstract: A display device includes: a substrate including a first pixel area (PA) and a second PA, the first PA being spaced apart from the second PA by a non-PA; a first pixel electrode (PE) overlapping the first PA; a second PE overlapping the second PA; a pixel-defining layer including a first opening overlapping the first PE and a second opening overlapping the second PE; a first intermediate layer (IL) on the first PE, the first IL including a first emission layer (EL); a second IL on the second PE, the second IL including a second EL spaced apart from the first EL; a first opposite electrode (OE) on the first IL; a second OE on the second IL, the second OE being spaced apart from the first OE; and a wiring layer (WL) overlapping the non-PA, the WL contacting respective portions of the first OE and the second OE.