公开(公告)号：US11758768B2

公开(公告)日：2023-09-12

申请号：US17481002

申请日：2021-09-21

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H10K59/122 ,  H10K71/00 ,  H10K71/20 ,  H10K50/81 ,  H10K50/82 ,  H10K59/12 ,  H10K102/10

CPC classification number: H10K59/122 ,  H10K71/00 ,  H10K71/221 ,  H10K71/621 ,  H10K50/81 ,  H10K50/82 ,  H10K59/1201 ,  H10K2102/101 ,  H10K2102/103

Abstract: An organic light-emitting display apparatus including a substrate, a first first electrode on the substrate, a first organic functional layer on the first first electrode, the first organic functional layer including a first emission layer, a first second electrode on the first organic functional layer, a second first electrode on the substrate, the second first electrode being spaced apart from the first first electrode, a second organic functional layer on the second first electrode, the second organic functional layer including a second emission layer, a second second electrode on the second organic functional layer, and a self-assembled layer between the first organic functional layer and the second organic functional layer, the self-assembled layer containing fluorine.

公开(公告)号：US20230051370A1

公开(公告)日：2023-02-16

申请号：US17884576

申请日：2022-08-10

Applicant: Samsung Display Co., Ltd.

Inventor： Sehoon Jeong ,  Woo Yong Sung

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

Abstract: A display device includes a substrate having a display area and a non-display area surrounding the display area, a driving element disposed on the substrate in the display area, a light emitting element disposed on the driving element, and a dam disposed on the substrate in the non-display area and surrounding the display area, and where the dam includes a first organic layer, a first reflow prevention patterns disposed on both edges of the first organic layer and including a material different from a material of the first organic layer, and a second organic layer disposed on the first organic layer and contacting the first organic layer exposed by the first reflow prevention patterns.

公开(公告)号：US11367761B2

公开(公告)日：2022-06-21

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 ,  H01L51/52 ,  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：US10720598B2

公开(公告)日：2020-07-21

申请号：US16185876

申请日：2018-11-09

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/56 ,  H01L51/52 ,  H01L27/32 ,  H01L51/50 ,  H01L51/00

Abstract: A method includes: forming first and second pixel electrodes on a substrate; exposing upper surfaces of the first and second pixel electrodes; forming a pixel defining layer covering edges of the first and second pixel electrodes; sequentially forming a first lift-off layer, a first shape memory alloy layer, and a first photoresist; forming a first opening exposing an upper surface of the first pixel electrode by patterning the first lift-off layer, the first shape memory alloy layer, and the first photoresist; forming, on the first pixel electrode and the first photoresist, a first organic functional layer including a first emission layer; deforming an end portion of the first shape memory alloy layer, in the first opening, in a direction away from a horizontal surface of the substrate; forming a first protection layer over the first organic functional layer; and removing a remainder of the first lift-off layer.

公开(公告)号：US11871591B2

公开(公告)日：2024-01-09

申请号：US17197367

申请日：2021-03-10

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H10K71/00 ,  H10K59/12 ,  H10K50/84 ,  H10K50/805 ,  H10K30/86 ,  H10K30/80

CPC classification number: H10K30/865 ,  H10K50/805 ,  H10K50/841 ,  H10K59/12 ,  H10K71/00

Abstract: An organic light-emitting display device includes: a substrate; a pixel electrode on the substrate; an auxiliary electrode spaced apart from the pixel electrode; a first insulating film between the pixel electrode and the auxiliary electrode and covering an end of the pixel electrode and an end of the auxiliary electrode; an intermediate layer on the pixel electrode and including an emission layer; an opposite electrode covering the intermediate layer and contacting the auxiliary electrode; and a passivation layer covering the opposite electrode.

公开(公告)号：US11751413B2

公开(公告)日：2023-09-05

申请号：US17700026

申请日：2022-03-21

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H01L51/52 ,  H01L27/32 ,  H10K50/805 ,  H10K50/844 ,  H10K59/122 ,  H10K102/10

CPC classification number: H10K50/805 ,  H10K50/8445 ,  H10K59/122 ,  H10K2102/101

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：US11133361B2

公开(公告)日：2021-09-28

申请号：US16852291

申请日：2020-04-17

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/56 ,  H01L27/32 ,  H01L51/00 ,  H01L51/52

Abstract: An organic light-emitting display apparatus including a substrate, a first first electrode on the substrate, a first organic functional layer on the first first electrode, the first organic functional layer including a first emission layer, a first second electrode on the first organic functional layer, a second first electrode on the substrate, the second first electrode being spaced apart from the first first electrode, a second organic functional layer on the second first electrode, the second organic functional layer including a second emission layer, a second second electrode on the second organic functional layer, and a self-assembled layer between the first organic functional layer and the second organic functional layer, the self-assembled layer containing fluorine.

公开(公告)号：US10991776B2

公开(公告)日：2021-04-27

申请号：US16654402

申请日：2019-10-16

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunae Kim ,  Jaesik Kim ,  Jaeik Kim ,  Yeonhwa Lee ,  Joongu Lee ,  Sehoon Jeong ,  Mijung Han

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

Abstract: A display apparatus includes a substrate, a pixel defining layer, a spacer, an auxiliary electrode, and an organic light emitting diode. The substrate includes a light emitting area and a non-light emitting area adjacent to the light emitting area. The pixel defining layer is disposed on the non-light emitting area of the substrate. The spacer is disposed on the pixel defining layer. The auxiliary electrode is disposed on the spacer. The organic light emitting diode is disposed on the substrate, and at least a portion thereof is disposed in the light emitting area. The organic light emitting diode includes a pixel electrode, an intermediate layer disposed on the pixel electrode and including an organic light emitting layer, and an opposite electrode disposed on the intermediate layer and electrically connected to the auxiliary electrode.

公开(公告)号：US10964901B2

公开(公告)日：2021-03-30

申请号：US16577299

申请日：2019-09-20

Applicant: SAMSUNG DISPLAY CO., LTD.

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

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

Abstract: An organic light-emitting display device includes: a substrate; a pixel electrode on the substrate; an auxiliary electrode spaced apart from the pixel electrode; a first insulating film between the pixel electrode and the auxiliary electrode and covering an end of the pixel electrode and an end of the auxiliary electrode; an intermediate layer on the pixel electrode and including an emission layer; an opposite electrode covering the intermediate layer and contacting the auxiliary electrode; and a passivation layer covering the opposite electrode.

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.