公开(公告)号：US20180315806A1

公开(公告)日：2018-11-01

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

CPC classification number: H01L27/3246 ,  H01L27/3211 ,  H01L51/5212 ,  H01L51/5253 ,  H01L51/56 ,  H01L2227/323

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：US20230247854A1

公开(公告)日：2023-08-03

申请号：US18193245

申请日：2023-03-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jaesik KIM ,  Jaeik KIM ,  Yeonhwa LEE ,  Joongu LEE ,  Sehoon JEONG

IPC: H10K50/844 ,  H10K59/122 ,  H10K71/00

CPC classification number: H10K50/844 ,  H10K59/122 ,  H10K71/00 ,  H10K2102/101

Abstract: An organic light-emitting display apparatus includes: a substrate; first and second pixel electrodes on the substrate and spaced from each other; an insulating layer between the first and second pixel electrodes, the insulating layer covering ends of the first and second pixel electrodes, and having a step height difference; an auxiliary electrode on the insulating layer; first and second intermediate layers on the first and second pixel electrodes, the first and second intermediate layers being spaced from each other, and including first and second light-emitting layers, respectively; first and second opposite electrodes on the first and second intermediate layers, the first and second opposite electrodes being spaced from each other, and in contact with the auxiliary electrode; and first and second passivation layers on the first and second opposite electrodes, the first and second passivation layers being spaced from each other, and covering the first and second opposite electrodes, respectively.

公开(公告)号：US20200243790A1

公开(公告)日：2020-07-30

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：US20230006163A1

公开(公告)日：2023-01-05

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

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：US20200343321A1

公开(公告)日：2020-10-29

申请号：US16854773

申请日：2020-04-21

Applicant: Samsung Display Co., Ltd.

Inventor： Jaesik KIM ,  Joongu LEE ,  Jaeik KIM ,  Yeonhwa LEE ,  Chanho MOON ,  Sehoon JEONG ,  Jiyoung CHOUNG

IPC: H01L27/32 ,  H01L51/44 ,  H01L51/56

Abstract: A display apparatus includes: a first substrate and a display unit. The display unit includes a display region and a transmissive region. The display unit further includes: an auxiliary layer disposed in correspondence with the transmissive region; and a second electrode disposed in correspondence with the display region and at least a portion of the transmissive region. The auxiliary layer includes a first material, the second electrode includes a second material, and the first material and the second material each satisfy Equation 1 below: ST2−ST1>0 mJ/m2, wherein, in Equation 1, ST1 is a surface energy of the first material at 25° C., and ST2 is a surface energy of the second material at 25° C.

公开(公告)号：US20190326535A1

公开(公告)日：2019-10-24

申请号：US16363813

申请日：2019-03-25

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeik KIM ,  Jaesik KIM ,  Yeonhwa LEE ,  Joongu LEE ,  Sehoon JEONG ,  Jiyoung CHOUNG

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

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：US20240224579A1

公开(公告)日：2024-07-04

申请号：US18441648

申请日：2024-02-14

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeik KIM ,  Hyejin GWARK ,  Jungsun PARK ,  Heemin PARK ,  Yongsub SHIM ,  Yeonhwa LEE ,  Joongu LEE ,  Jongbeom HONG

IPC: H10K50/844 ,  H10K50/16 ,  H10K50/17 ,  H10K71/00

CPC classification number: H10K50/844 ,  H10K50/16 ,  H10K50/171 ,  H10K71/00

Abstract: A display apparatus includes a substrate including a display area including a transmission area and a pixel area, and a peripheral area adjacent to the display area; a display element disposed corresponding to the pixel area, the display element including a pixel electrode, an intermediate layer on the pixel electrode, and an opposite electrode on the intermediate layer; a hydrophobic layer disposed corresponding to the transmission area; and a plurality of fine particles disposed on the hydrophobic layer, the plurality of fine particles and the opposite electrode including a same material.

公开(公告)号：US20220013749A1

公开(公告)日：2022-01-13

申请号：US17337870

申请日：2021-06-03

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeik KIM ,  Hyejin GWARK ,  Jungsun PARK ,  Heemin PARK ,  Yongsub SHIM ,  Yeonhwa LEE ,  Joongu LEE ,  Jongbeom HONG

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

Abstract: A display apparatus includes a substrate including a display area including a transmission area and a pixel area, and a peripheral area adjacent to the display area; a display element disposed corresponding to the pixel area, the display element including a pixel electrode, an intermediate layer on the pixel electrode, and an opposite electrode on the intermediate layer; a hydrophobic layer disposed corresponding to the transmission area; and a plurality of fine particles disposed on the hydrophobic layer, the plurality of fine particles and the opposite electrode including a same material.

公开(公告)号：US20200313100A1

公开(公告)日：2020-10-01

申请号：US16815662

申请日：2020-03-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jaesik KIM ,  Jaeik KIM ,  Yoenhwa LEE ,  JOONGU LEE ,  Sehoon JEONG

IPC: H01L51/00 ,  H01L51/50 ,  H01L27/32 ,  H01L51/56

Abstract: A manufacturing method of a display device includes: forming a first electrode on a base substrate; forming a pixel definition layer through which an opening is defined to expose an upper surface of the first electrode; providing an organic molecular thin film including a self-assembled monolayer on the first electrode and the pixel definition layer; desorbing a portion of the organic molecular thin film which corresponds to the first electrode; and providing at least one organic layer on the first electrode.

公开(公告)号：US20230078043A1

公开(公告)日：2023-03-16

申请号：US17737132

申请日：2022-05-05

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeik KIM ,  Hyejin GWARK ,  Arong KIM ,  Jungsun PARK ,  Heemin PARK ,  Yeonhwa LEE ,  Joongu LEE ,  Kyuhwan HWANG

IPC: H01L27/32

Abstract: A display device includes an auxiliary wiring located on a substrate; an insulating layer arranged on the auxiliary wiring, overlapping the auxiliary wiring in a plan view, and including an opening having a width greater than a width of the auxiliary wiring; a first electrode located on the insulating layer; a bank layer including an emission opening that overlaps the first electrode in a plan view; an intermediate layer overlapping the first electrode through an emission opening in a plan view and including an emission layer; a second electrode on the intermediate layer; and an auxiliary layer arranged on the second electrode, wherein the auxiliary wiring includes sub-layers, and each of the second electrode and the auxiliary layer contacts a side surface of one of the sub-layers through the opening of the insulating layer.