公开(公告)号：US20240284700A1

公开(公告)日：2024-08-22

申请号：US18444740

申请日：2024-02-18

Applicant: Samsung Display Co., LTD.

Inventor： Dongchan Kim ,  Jiyoung Moon ,  Heechang Yoon ,  Jihye Lee ,  Hakchoong Lee ,  Haemyeong Lee ,  Myungsuk Han ,  Jihwan Yoon ,  Jonghyuk Lee ,  Yoonhyeung Cho

IPC: H10K50/17 ,  H10K50/15 ,  H10K50/16 ,  H10K59/12 ,  H10K59/40

CPC classification number: H10K50/171 ,  H10K50/15 ,  H10K50/16 ,  H10K59/12 ,  H10K59/40

Abstract: A light-emitting device and an apparatus including the same include a first electrode, a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes m emission units and (m−1) charge generating units, each of the charge generating units being between the emission units that are adjacent to each other, m is a natural number of 2 or greater, at least one of the (m−1) charge generating units includes an n-type charge generating layer, a p-type charge generating layer, and a p-type hole injection layer, wherein the n-type charge generating layer includes an n-type organic compound and a metal material, and wherein the p-type charge generating layer and the p-type hole injection layer each independently include an inorganic semiconductor material.

公开(公告)号：US11856839B2

公开(公告)日：2023-12-26

申请号：US17038768

申请日：2020-09-30

Applicant: Samsung Display Co., Ltd.

Inventor： Dongchan Kim ,  Jiyoung Moon ,  Jihwan Yoon ,  Donghui Lee ,  Jihye Lee ,  Chulsoon Lee ,  Hakchoong Lee ,  Haemyeong Lee ,  Yoonhyeung Cho ,  Wonsuk Han

IPC: H10K50/10 ,  H10K85/30 ,  C09K11/06 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18

CPC classification number: H10K85/342 ,  C09K11/06 ,  H10K85/346 ,  C09K2211/185 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171 ,  H10K50/18

Abstract: A light-emitting device and a method of manufacturing the same are provided. The light-emitting device may include a first electrode, a second electrode, and an interlayer located between the first electrode and the second electrode. The interlayer may include an emission layer that includes a first material, a second material, and a third material. The first material may include an inorganic semiconductor compound, an inorganic insulator compound, or any combination thereof. The second material may include a lanthanide metal. The third material may include an organic compound. An apparatus including the light-emitting device is provided.

公开(公告)号：US11716897B2

公开(公告)日：2023-08-01

申请号：US16051231

申请日：2018-07-31

Applicant: Samsung Display Co., Ltd.

Inventor： Byeongwook Yoo ,  Sunwoo Kang ,  Myeongsuk Kim ,  Hyoyeon Kim ,  Jimyoung Ye ,  Jihwan Yoon

IPC: H01L51/00 ,  H01L51/50 ,  C07F15/00 ,  H10K85/30 ,  H10K50/12 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K101/10 ,  H10K101/40

CPC classification number: H10K85/342 ,  C07F15/0033 ,  H10K50/12 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K2101/10 ,  H10K2101/40

Abstract: Provided are an organometallic compound represented by Formula 1, an organic light-emitting device including the organometallic compound, and an organic light-emitting apparatus including the organic light-emitting device. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer and at least one of the organometallic compound represented by Formula 1.

公开(公告)号：US11700737B2

公开(公告)日：2023-07-11

申请号：US16895842

申请日：2020-06-08

Applicant: Samsung Display Co., Ltd.

Inventor： Dongchan Kim ,  Jiyoung Moon ,  Donghui Lee ,  Jihye Lee ,  Chulsoon Lee ,  Hakchoong Lee ,  Haemyeong Lee ,  Wonsuk Han ,  Jihwan Yoon ,  Yoonhyeung Cho

IPC: H01L51/52 ,  H10K50/19 ,  H10K50/13 ,  H10K59/38 ,  H10K59/123 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K71/00 ,  H10K85/30 ,  H10K85/60 ,  H10K101/30 ,  H10K102/00

CPC classification number: H10K50/19 ,  H10K50/13 ,  H10K59/123 ,  H10K59/38 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171 ,  H10K71/00 ,  H10K85/30 ,  H10K85/322 ,  H10K85/615 ,  H10K85/626 ,  H10K85/633 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K2101/30 ,  H10K2102/331 ,  H10K2102/351

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; light-emitting units in the number of n between the first electrode and the second electrode; and a charge-generation unit(s) in the number of n−1 between the adjacent light-emitting units. The light-emitting units each include an emission layer, and at least one of the charge-generation unit(s) includes an n-type charge-generation layer, a p-type charge-generation layer, and an interlayer between the n-type charge-generation layer and the p-type charge-generation layer. The p-type charge-generation layer includes a first material and a second material, the first material includes a hole-transporting organic compound, an inorganic insulation compound, or any combination thereof, the second material includes at least one inorganic semiconductor compound, the interlayer comprises a third material, and the third material is selected from an organic compound, an inorganic semiconductor compound, and an inorganic insulation compound.

公开(公告)号：US20220406860A1

公开(公告)日：2022-12-22

申请号：US17649910

申请日：2022-02-03

Applicant: Samsung Display Co., Ltd.

Inventor： Seho Lee ,  Taehyung Kim ,  Jihwan Yoon ,  Hojun Lee ,  Sangwoo Pyo ,  Jaehoon Hwang

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

Abstract: A display device includes: a substrate; an organic insulating layer on the substrate and having an opening; a first electrode on the organic insulating layer; an auxiliary electrode on the organic insulating layer and including a first portion overlapping the opening; a bank layer having a first bank opening overlapping the first electrode and a second bank opening overlapping the first portion; an intermediate layer on the first electrode and the auxiliary electrode, the intermediate layer including a hole exposing a portion of the auxiliary electrode; and a second electrode on the intermediate layer, overlapping the first electrode and the auxiliary electrode, and in contact with the auxiliary electrode through the hole in the intermediate layer. The hole in the intermediate layer only partially overlaps the opening in the organic insulating layer and is located within the second bank opening in a plan view.

公开(公告)号：US11283038B2

公开(公告)日：2022-03-22

申请号：US16053321

申请日：2018-08-02

Applicant: Samsung Display Co., Ltd.

Inventor： Pyungeun Jeon ,  Jihye Shim ,  Jehong Choi ,  Jihwan Yoon ,  Sangwoo Pyo

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

Abstract: A light-emitting device is provided. The light-emitting device includes: a plurality of first electrodes positioned on a first sub-pixel, a second sub-pixel, and a third sub-pixel, respectively; a second electrode facing the plurality of first electrodes; a first emission layer on the first sub-pixel to emit a first color light; a second emission layer on the second sub-pixel to emit a second color light; a first layer integrated with the first sub-pixel, the second sub-pixel, and the third sub-pixel; a first auxiliary layer between the first layer and the first emission layer; and a first interlayer between the first auxiliary layer and the first emission layer. The absolute value of the highest occupied molecular orbital (HOMO) energy level of the first interlayer is greater than the absolute value of the HOMO energy level of the first auxiliary layer, and is smaller than the absolute value of the HOMO energy level of the first emission layer. The absolute value of the lowest unoccupied molecular orbital (LUMO) energy level of the first interlayer is greater than that of a LUMO energy level of the first auxiliary layer, and is smaller than the absolute value of the LUMO energy level of the first emission layer.

公开(公告)号：US10971554B2

公开(公告)日：2021-04-06

申请号：US16852875

申请日：2020-04-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hajin Song ,  Jihwan Yoon ,  Sangwoo Lee ,  Sangwoo Pyo

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

Abstract: An organic light-emitting device and display apparatus, the device including a first electrode; a second electrode facing the first electrode; an emission layer between the first and second electrode; a hole control layer between the first electrode and the emission layer; and an electron control layer between the emission layer and the second electrode, wherein the emission layer includes a plurality of sub-emission layers to emit light having different wavelengths, at least portions of the plurality of sub-emission layers do not overlap one another, the plurality of sub-emission layers include: a first sub-emission layer including a first color light-emitting dopant, and a second sub-emission layer including a second color light-emitting dopant, the first and second sub-emission layers each include a hole-transporting and electron-transporting host which form an exciplex, and a triplet energy of the exciplex is equal to or greater than triplet energies of the first and second color light-emitting dopant.

公开(公告)号：US20200243615A1

公开(公告)日：2020-07-30

申请号：US16852302

申请日：2020-04-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sangwoo Pyo ,  Hajin Song ,  Jihwan Yoon ,  Heunseung Lee

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

Abstract: A display device includes a substrate having a red pixel region, a blue pixel region, and a green pixel region. An anode is on the substrate, a light-emitting layer is on the anode, and a cathode is on the light-emitting layer, wherein the light-emitting layer includes a red light-emitting layer emitting red light on the red pixel region, a blue light-emitting layer emitting blue light on the blue pixel region, and a green light-emitting layer emitting green light on the red pixel region, the blue pixel region, and the green pixel region. Each of the red light, the blue light, and the green light is resonated between the anode and the cathode.

公开(公告)号：US10658432B2

公开(公告)日：2020-05-19

申请号：US16432375

申请日：2019-06-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hajin Song ,  Jihwan Yoon ,  Sangwoo Lee ,  Sangwoo Pyo

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

Abstract: An organic light-emitting device and display apparatus, the device including a first electrode; a second electrode facing the first electrode; an emission layer between the first and second electrode; a hole control layer between the first electrode and the emission layer; and an electron control layer between the emission layer and the second electrode, wherein the emission layer includes a plurality of sub-emission layers to emit light having different wavelengths, at least portions of the plurality of sub-emission layers do not overlap one another, the plurality of sub-emission layers include: a first sub-emission layer including a first color light-emitting dopant, and a second sub-emission layer including a second color light-emitting dopant, the first and second sub-emission layers each include a hole-transporting and electron-transporting host which form an exciplex, and a triplet energy of the exciplex is equal to or greater than triplet energies of the first and second color light-emitting dopant.

公开(公告)号：US10326111B2

公开(公告)日：2019-06-18

申请号：US14884183

申请日：2015-10-15

Applicant: Samsung Display Co., Ltd.

Inventor： Byeongwook Yoo ,  Hyoyeon Kim ,  Yoonmo Song ,  Hajin Song ,  Jihwan Yoon ,  Sangwoo Pyo

IPC: H01L51/54 ,  H01L51/52 ,  H01L27/32

Abstract: Provided are an organic light-emitting diode display apparatus and a method of manufacturing the same. In an exemplary embodiment, an organic light-emitting diode (OLED) display apparatus includes a substrate, an OLED device on the substrate, and a capping layer on the organic light-emitting device. The capping layer includes a first capping layer and a second capping layer. The second capping layer includes a first material and a second material. The first material and the second material are different from each other.