公开(公告)号：US11258032B2

公开(公告)日：2022-02-22

申请号：US15632759

申请日：2017-06-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jihwan Yoon ,  Sangwoo Pyo ,  Ilsoo Oh ,  Chang-Min Lee

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

Abstract: An organic light emitting device and a display device, the organic light emitting device including a first electrode; a first organic layer on the first electrode; a first charge generating layer on the first organic layer; a second organic layer on the first charge generating layer, the second organic layer including a first light absorbing dye having an absorption wavelength of about 380 nm to 410 nm; and a second electrode on the second organic layer, wherein light is emitted from the device in the direction from the first electrode to the second electrode.

公开(公告)号：US09780148B2

公开(公告)日：2017-10-03

申请号：US14802956

申请日：2015-07-17

Applicant: SAMSUNG DISPLAY CO., LTD.

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

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

CPC classification number: H01L27/3211 ,  H01L51/504 ,  H01L51/5218 ,  H01L51/5265

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：US11903288B2

公开(公告)日：2024-02-13

申请号：US18154471

申请日：2023-01-13

Applicant: Samsung Display Co., LTD.

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

IPC: H10K59/35 ,  H10K50/15 ,  H10K50/16 ,  H10K50/11 ,  H10K50/125 ,  H10K59/131 ,  H10K71/00 ,  H10K50/852 ,  H10K59/12 ,  H10K85/60 ,  H10K101/10 ,  H10K101/40 ,  H10K101/00 ,  H10K101/30

CPC classification number: H10K59/35 ,  H10K50/11 ,  H10K50/125 ,  H10K50/15 ,  H10K50/16 ,  H10K59/131 ,  H10K71/00 ,  H10K50/852 ,  H10K59/1201 ,  H10K85/655 ,  H10K85/6572 ,  H10K2101/10 ,  H10K2101/27 ,  H10K2101/30 ,  H10K2101/40 ,  H10K2101/90

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：US11581371B2

公开(公告)日：2023-02-14

申请号：US17201737

申请日：2021-03-15

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：US20190288042A1

公开(公告)日：2019-09-19

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 ,  H01L51/50 ,  H01L51/56

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：US10325960B2

公开(公告)日：2019-06-18

申请号：US15870389

申请日：2018-01-12

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：US10283570B2

公开(公告)日：2019-05-07

申请号：US15668546

申请日：2017-08-03

Applicant: SAMSUNG DISPLAY CO., LTD.

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

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

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：US20190081119A1

公开(公告)日：2019-03-14

申请号：US16033069

申请日：2018-07-11

Applicant: Samsung Display Co., Ltd.

Inventor： Jehong Choi ,  Ji-hye Shim ,  Pyungeun Jeon ,  Jihwan Yoon ,  Sangwoo Pyo

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

Abstract: An organic electroluminescence display device includes: a substrate; a first electrode including a first sub-electrode, a second sub-electrode, and a third sub-electrode which are arranged on the substrate; an organic light emitting layer on the first electrode and including a first light emitting layer, a second light emitting layer, and a third light emitting layer; and a second electrode on the organic light emitting layer, and the first light emitting layer is on the first sub-electrode, the second light emitting layer is on the first sub-electrode, the second sub-electrode, and the third sub-electrode, and the third light emitting layer is on the third sub-electrode, and the first light emitting layer is on a lower portion of the second light emitting layer, and the third light emitting layer is on an upper portion of the second light emitting layer.

公开(公告)号：US09882140B2

公开(公告)日：2018-01-30

申请号：US14710729

申请日：2015-05-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyul Han ,  Jimyoung Ye ,  Bumsuk Lee ,  Jihwan Yoon ,  Sangwoo Pyo

IPC: H01L51/00 ,  C09K11/06 ,  H01L51/50

CPC classification number: H01L51/0058 ,  C09K11/06 ,  H01L51/0054 ,  H01L51/0055 ,  H01L51/0056 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0079 ,  H01L51/0081 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072

Abstract: Provided is an organic light-emitting device including 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. The emission layer includes a first compound represented by Formula 1-1 or Formula 1-2 below, a second compound represented by Formula 2 below, and a third compound represented by Formula 3 below: where Ar1 to Ar8, R1 to R3, A, L1, L2, a1, a2, b1, b2, c1, c2, l1, and l2 are as defined in the specification.

公开(公告)号：US10910587B2

公开(公告)日：2021-02-02

申请号：US15730847

申请日：2017-10-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sangwoo Pyo ,  ILsoo Oh ,  Jihwan Yoon ,  Changmin Lee ,  Sungjin Choi

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

Abstract: An organic light emitting diode display device includes an auxiliary electrode spaced apart from a plurality of first electrodes on a substrate. A first light emitting portion is on the first electrode. A charge generation layer is on the first light emitting portion. A second light emitting portion is on the charge generation layer. A second electrode is on the second light emitting portion and is electrically connected to the auxiliary electrode. The second electrode is insulated from the charge generation layer.