公开(公告)号：US20200350387A1

公开(公告)日：2020-11-05

申请号：US16930586

申请日：2020-07-16

Applicant: Samsung Display Co., Ltd.

Inventor： Byung-chul KIM ,  Sujeong KIM ,  Kiyoung YEON ,  Sun-kyu JOO ,  Chul HUH ,  Inok KIM ,  Hyeran MUN ,  Inseok SONG ,  Wooyoung LEE ,  Yui-ku LEE

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

Abstract: A display device including a substrate that includes a circuit layer; an insulating layer on the substrate; a pixel defining layer on the insulating layer, the pixel defining layer having an opening exposing a region of a top surface of the insulating layer; a light blocking layer covering a top surface and a side surface of the pixel defining layer; and an organic electroluminescent element in the opening, wherein the organic electroluminescent element includes a first electrode on the region of the top surface of the insulating layer exposed through the opening; at least one organic layer on the first electrode; and a second electrode on the at least one organic layer.

公开(公告)号：US20210246308A1

公开(公告)日：2021-08-12

申请号：US17012573

申请日：2020-09-04

Applicant: Samsung Display Co., Ltd.

Inventor： Dongwoo SHIN ,  Heunggyu KIM ,  Hyeran MUN ,  Dukki KIM ,  Sehun KIM ,  Seungmook LEE ,  Jaekook HA

IPC: C08L79/02 ,  C08G73/02 ,  C08K5/54 ,  H01L51/00 ,  C08G61/10

Abstract: A composition, an interlayer manufactured therefrom, and an apparatus including the interlayer are provided. The composition includes a polymer compound represented by Formula 1, a non-arylamine-based compound represented by Formula 2, and a solvent: The substituents in Formulae 1 and 2 may be understood as described in connection with the detailed description.

公开(公告)号：US20240414932A1

公开(公告)日：2024-12-12

申请号：US18807908

申请日：2024-08-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Heunggyu KIM ,  Sehun KIM ,  Taeheon KANG ,  Hyeran MUN ,  Juyon LEE ,  Jaekook HA

IPC: H10K50/11 ,  H10K50/16 ,  H10K71/00 ,  H10K71/12 ,  H10K85/60 ,  H10K101/30 ,  H10K101/40

Abstract: A composition for manufacturing a light-emitting device includes: a solvent; and a first compound and a second compound, each dispersed in the solvent; wherein a molecular weight of the first compound is 750 g/mol or less, a molecular weight of the second compound is greater than 750 g/mol, a lowest unoccupied molecular orbital (LUMO) energy level of the second compound is greater than −2.4 eV, a highest occupied molecular orbital (HOMO) energy level of the second compound is less than −5.6 eV, and a bandgap energy of the second compound is greater than 3.2 eV.

公开(公告)号：US20220216444A1

公开(公告)日：2022-07-07

申请号：US17445666

申请日：2021-08-23

Applicant: Samsung Display Co., Ltd.

Inventor： Heunggyu KIM ,  Sehun KIM ,  Taeheon KANG ,  Hyeran MUN ,  Juyon LEE ,  Jaekook HA

IPC: H01L51/50 ,  H01L51/00

Abstract: A composition for manufacturing a light-emitting device includes: a solvent; and a first compound and a second compound, each dispersed in the solvent; wherein a molecular weight of the first compound is 750 g/mol or less, a molecular weight of the second compound is greater than 750 g/mol, a lowest unoccupied molecular orbital (LUMO) energy level of the second compound is greater than −2.4 eV, a highest occupied molecular orbital (HOMO) energy level of the second compound is less than −5.6 eV, and a bandgap energy of the second compound is greater than 3.2 eV.

公开(公告)号：US20220037443A1

公开(公告)日：2022-02-03

申请号：US17504242

申请日：2021-10-18

Applicant: Samsung Display Co., Ltd.

Inventor： Byung-chul KIM ,  Sujeong KIM ,  Kiyoung YEON ,  Sun-kyu JOO ,  Chul HUH ,  Inok KIM ,  Hyeran MUN ,  Inseok SONG ,  Wooyoung LEE ,  Yui-ku LEE

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

Abstract: A display device including a substrate that includes a circuit layer; an insulating layer on the substrate; a pixel defining layer on the insulating layer, the pixel defining layer having an opening exposing a region of a top surface of the insulating layer; a light blocking layer covering a top surface and a side surface of the pixel defining layer; and an organic electroluminescent element in the opening, wherein the organic electroluminescent element includes a first electrode on the region of the top surface of the insulating layer exposed through the opening; at least one organic layer on the first electrode; and a second electrode on the at least one organic layer.

公开(公告)号：US20230042868A1

公开(公告)日：2023-02-09

申请号：US17569701

申请日：2022-01-06

Applicant: Samsung Display Co., Ltd.

Inventor： Heunggyu KIM ,  Taeheon KANG ,  Sehun KIM ,  Hyeran MUN ,  Jaekook HA

IPC: C09D11/52 ,  C09D11/033 ,  H01L51/00

Abstract: An ink composition for a light-emitting device includes a phosphine oxide-based charge transporting organic material, a first solvent represented by Formula 1, a second solvent represented by Formula 2, and a third solvent that is polar aprotic. A light-emitting device includes a layer prepared with the in composition. An electronic apparatus includes the light-emitting device: HOR1(O)mR2OH  [Formula 1] R11OR12  [Formula 2]

公开(公告)号：US20220056291A1

公开(公告)日：2022-02-24

申请号：US17220671

申请日：2021-04-01

Applicant: Samsung Display Co., Ltd.

Inventor： Sehun KIM ,  Taeheon KANG ,  Dukki KIM ,  Heunggyu KIM ,  Seunguk NOH ,  Hyeran MUN ,  Wonjun PARK ,  Juyon LEE ,  Jaekook HA

IPC: C09D11/36 ,  C09D11/033 ,  C09D11/52 ,  H01L51/00

Abstract: An ink composition for a light-emitting device includes: a phosphine oxide-based charge transport organic material; a first solvent represented by Formula 1; and a second solvent represented by Formula 2: HOR1(O)mR2OH  Formula 1 (HO)aR11O(R12O)nR13(OH)b.  Formula 2

公开(公告)号：US20190027547A1

公开(公告)日：2019-01-24

申请号：US15984618

申请日：2018-05-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Byung-chul KIM ,  Sujeong KIM ,  Kiyoung YEON ,  Sun-kyu JOO ,  Chul HUH ,  Inok KIM ,  Hyeran MUN ,  Inseok SONG ,  Wooyoung LEE ,  Yui-ku LEE

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

CPC classification number: H01L27/3272 ,  H01L27/124 ,  H01L27/1248 ,  H01L27/3211 ,  H01L27/3218 ,  H01L27/322 ,  H01L27/323 ,  H01L27/3246 ,  H01L27/3258 ,  H01L27/3262 ,  H01L27/3276 ,  H01L51/5253 ,  H01L51/5281 ,  H01L51/5284 ,  H01L51/56 ,  H01L2227/323

Abstract: A display device including a substrate that includes a circuit layer; an insulating layer on the substrate; a pixel defining layer on the insulating layer, the pixel defining layer having an opening exposing a region of a top surface of the insulating layer; a light blocking layer covering a top surface and a side surface of the pixel defining layer; and an organic electroluminescent element in the opening, wherein the organic electroluminescent element includes a first electrode on the region of the top surface of the insulating layer exposed through the opening; at least one organic layer on the first electrode; and a second electrode on the at least one organic layer.

公开(公告)号：US20180120606A1

公开(公告)日：2018-05-03

申请号：US15859713

申请日：2018-01-01

Applicant: Samsung Display Co., Ltd.

Inventor： Eung-Gyu LEE ,  JinSuek KIM ,  Hyeran MUN

IPC: G02F1/1339 ,  G02F1/1335

CPC classification number: G02F1/1339 ,  G02F1/133512 ,  G02F1/13394

Abstract: A display apparatus includes a first display substrate, a second display substrate, a coupling member interposed between the first display substrate and the second display substrate in a seal line area to couple the first display substrate and the second display substrate, a contact structure interposed between the coupling member and at least one of the display substrates in the seal line area, the contact structure having a concavo-convex shaped surface in contact with the coupling member, and the contact structure includes a moisture trap area and a moisture barrier area, and an electrode layer disposed on the moisture trap area but not on the moisture barrier area, and configured to contact portions of the coupling member in the seal line area.