公开(公告)号：US20230225144A1

公开(公告)日：2023-07-13

申请号：US18179306

申请日：2023-03-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seungjin Chu ,  Kyungsik Kim ,  Sungwook Kim ,  Seulong Kim ,  Tsuyoshi NAIJO ,  Yunjee Park ,  Sungsoo Bae ,  Dongchan Lee ,  Hyewon Choi ,  Jaeweon Hur

IPC: H01L51/00

CPC classification number: H10K50/12 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/324 ,  H10K85/615 ,  H10K50/16 ,  H10K50/15

Abstract: An organic light-emitting device includes a mixed layer, an emission layer, and a buffer layer and satisfies one of Equation 1 or Equation 2 and Equation 3:


T1(D)≥T1(Mix)+0.3 eV  Equation 1



T1(H)≥T1(Mix)+0.3 eV  Equation 2



T1(Mix)

公开(公告)号：US12022722B2

公开(公告)日：2024-06-25

申请号：US17555181

申请日：2021-12-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Beomjun Cheon ,  Kyungsik Kim ,  Yun-seok Eo ,  Sang-geun Lee ,  Seungkuk Lee ,  Sehee Lim ,  Jinsoo Choi

IPC: H10K71/00 ,  G09G3/00 ,  H01L21/66 ,  H01L21/67 ,  H01L21/78 ,  H01L23/544 ,  H10K50/84 ,  H10K50/844 ,  H10K59/12 ,  H10K59/131 ,  H10K71/70 ,  H10K102/00

CPC classification number: H10K71/00 ,  H01L21/67092 ,  H01L21/67259 ,  H01L23/544 ,  H10K50/844 ,  H10K59/131 ,  H10K71/70 ,  G09G3/006 ,  H01L22/12 ,  H01L2223/54426 ,  H01L2223/5448 ,  H10K59/1201 ,  H10K71/851 ,  H10K2102/351

Abstract: A method for manufacturing a display device is provided. A process of forming an inspection pattern, in which a protective film unit is partially removed in a thickness direction, in a pad area portion of the protective film unit, which corresponds to a pad area of a display unit, may be performed, and then, a process of delaminating the pad area portion of the protective film unit may be performed. A process of checking whether the inspection pattern exists may be performed to check whether the delamination has succeeded, and, at the same time, a process of measuring distances from an alignment mark to each of a long side and a short side of the display unit may be performed.

公开(公告)号：US20220246877A1

公开(公告)日：2022-08-04

申请号：US17447526

申请日：2021-09-13

Applicant: Samsung Display Co., Ltd.

Inventor： Seokgyu Yoon ,  Kyungsik Kim ,  Soungwook Kim ,  Jaeyong Lee ,  Kunwook Cho ,  Hyeongpil Kim ,  Jaejin Lyu

IPC: H01L51/52 ,  H01L51/50

Abstract: A light-emitting device includes: a first electrode; an interlayer including a hole transport layer, an emission layer; and an electron transport region; and a second electrode stacked in order, wherein the first electrode and the hole transport layer are in direct contact, the first electrode has a multi-layered structure in which a first layer to an mth layer (m is an integer 3) are sequentially stacked, the mth layer consists of a first inorganic material including: a single material selected from GeO2, MoO3, and WOx (2.1≤x≤2.99); a mixed material of two or more selected from In2O3, GeO2, SnO2, MoO3, and WOx; or any combination thereof, the absolute value of the work function of the first inorganic material is greater than or equal to the absolute value of the HOMO energy level of the hole transport layer, and the hole transport layer does not include a p-dopant.

公开(公告)号：US20220020950A1

公开(公告)日：2022-01-20

申请号：US17361873

申请日：2021-06-29

Applicant: Samsung Display Co.,Ltd.

Inventor： Soungwook KIM ,  Seokgyu Yoon ,  Kyungsik Kim ,  Eungdo Kim ,  Jaejin Lyu ,  Kunwook Cho ,  Hyeongu Cho

IPC: H01L51/52

Abstract: A light-emitting device including: first and second electrodes facing each other; an emission layer located therebetween; and a charge transport region located between the emission layer and the first electrode. Light emitted from the emission layer passes to the outside through the second electrode, the first electrode is a reflective electrode, the first electrode includes a transparent layer and a reflective layer, a distance between i) an interface between the transparent layer of the first electrode and the charge transport region and ii) an interface between the emission layer and the charge transport region is a first resonance distance of light emitted from the emission layer, and a distance between a) an interface between the reflective layer of the first electrode and the transparent layer of the first electrode and b) an interface between the emission layer and the charge transport region is a second resonance distance of light emitted from the emission layer.

公开(公告)号：US20200220117A1

公开(公告)日：2020-07-09

申请号：US16823934

申请日：2020-03-19

Applicant: Samsung Display Co., Ltd.

Inventor： Beomjun Cheon ,  Kyungsik Kim ,  Yun-seok Eo ,  Sang-geun Lee ,  Seungkuk Lee ,  Sehee Lim ,  Jinsoo Choi

IPC: H01L51/56 ,  H01L51/00 ,  G09G3/00 ,  H01L21/67 ,  H01L51/52 ,  H01L27/32 ,  H01L23/544

Abstract: A method for manufacturing a display device is provided. A process of forming an inspection pattern, in which a protective film unit is partially removed in a thickness direction, in a pad area portion of the protective film unit, which corresponds to a pad area of a display unit, may be performed, and then, a process of delaminating the pad area portion of the protective film unit may be performed. A process of checking whether the inspection pattern exists may be performed to check whether the delamination has succeeded, and, at the same time, a process of measuring distances from an alignment mark to each of a long side and a short side of the display unit may be performed.

公开(公告)号：US10608209B2

公开(公告)日：2020-03-31

申请号：US15973302

申请日：2018-05-07

Applicant: Samsung Display Co., Ltd.

Inventor： Beomjun Cheon ,  Kyungsik Kim ,  Yun-seok Eo ,  Sang-geun Lee ,  Seungkuk Lee ,  Sehee Lim ,  Jinsoo Choi

IPC: H01L51/56 ,  H01L51/00 ,  H01L23/544 ,  H01L27/32 ,  H01L51/52 ,  H01L21/67 ,  H01L21/66 ,  G09G3/00

Abstract: A method for manufacturing a display device is provided. A process of forming an inspection pattern, in which a protective film unit is partially removed in a thickness direction, in a pad area portion of the protective film unit, which corresponds to a pad area of a display unit, may be performed, and then, a process of delaminating the pad area portion of the protective film unit may be performed. A process of checking whether the inspection pattern exists may be performed to check whether the delamination has succeeded, and, at the same time, a process of measuring distances from an alignment mark to each of a long side and a short side of the display unit may be performed.

公开(公告)号：US20190088909A1

公开(公告)日：2019-03-21

申请号：US15973302

申请日：2018-05-07

Applicant: Samsung Display Co., Ltd.

Inventor： Beomjun Cheon ,  Kyungsik Kim ,  Yun-seok Eo ,  Sang-geun Lee ,  Seungkuk Lee ,  Sehee Lim ,  Jinsoo Choi

IPC: H01L51/56 ,  H01L23/544 ,  H01L27/32 ,  H01L51/52 ,  H01L21/67 ,  H01L21/66

Abstract: A method for manufacturing a display device is provided. A process of forming an inspection pattern, in which a protective film unit is partially removed in a thickness direction, in a pad area portion of the protective film unit, which corresponds to a pad area of a display unit, may be performed, and then, a process of delaminating the pad area portion of the protective film unit may be performed. A process of checking whether the inspection pattern exists may be performed to check whether the delamination has succeeded, and, at the same time, a process of measuring distances from an alignment mark to each of a long side and a short side of the display unit may be performed.