公开(公告)号：US20210296606A1

公开(公告)日：2021-09-23

申请号：US17088178

申请日：2020-11-03

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeongpil KIM ,  Wonjong KIM ,  Yeongrong PARK ,  Dongkyu SEO ,  Junyong SHIN ,  Junghee AN ,  Byeongwook YOO ,  Daeho LEE ,  Byungseok LEE

IPC: H01L51/50 ,  H01L51/52

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; m emission units stacked between the first electrode and the second electrode, each emission unit including at least one emission layer; and m−1 charge generating layers respectively located between two adjacent emission units among them emission units, each of the charge generating layers including one n-type charge generating region and one p-type charge generating region, wherein m is an integer of 2 or more, and at least one of the m−1 p-type charge generating regions includes a phosphate-containing compound.

公开(公告)号：US20190198797A1

公开(公告)日：2019-06-27

申请号：US16167848

申请日：2018-10-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongkyu SEO ,  Dongchan KIM ,  Jiyoung MOON ,  Yeongrong PARK ,  Myungchul YEO ,  Jihye LEE ,  Hyungseok JANG ,  Wonjong KIM ,  Yoonhyeung CHO

IPC: H01L51/52 ,  H01L51/50 ,  H01L27/12 ,  G09G3/3258

CPC classification number: H01L51/5203 ,  G09G3/3258 ,  H01L27/1214 ,  H01L51/5072 ,  H01L51/5092

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, a light emitting layer on the hole transport region, an electron transport region on the light emitting layer, and a second electrode on the electron transport region. The electron transport region includes an electron transport layer directly on the light emitting layer. The electron transport layer includes a first ternary compound including a halogen element.

公开(公告)号：US20220059792A1

公开(公告)日：2022-02-24

申请号：US17231968

申请日：2021-04-15

Applicant: Samsung Display Co., Ltd.

Inventor： Yeongrong PARK ,  Dongkyu SEO ,  Junyong SHIN ,  Byeongwook YOO ,  Daeho LEE ,  Byungseok LEE

IPC: H01L51/50 ,  H01L51/56

Abstract: An organic light-emitting diode includes: a first electrode and a second electrode facing each other; an organic emission layer between the first electrode and the second electrode; and a hole injection layer between the first electrode and the organic emission layer, wherein the hole injection layer includes a second metal compound layer and a second metal layer, the second metal compound layer being between the first electrode and the organic emission layer, and the second metal layer being between the second metal compound layer and the organic emission layer.

公开(公告)号：US20190288212A1

公开(公告)日：2019-09-19

申请号：US16206969

申请日：2018-11-30

Applicant: Samsung Display Co., Ltd.

Inventor： Yoonhyeung CHO ,  Hyungseok JANG ,  Dongchan KIM ,  Wonjong KIM ,  Jiyoung MOON ,  Yeongrong PARK ,  Dongkyu SEO ,  Myungchul YEO ,  Jihye LEE

IPC: H01L51/00 ,  C07F5/02

Abstract: Disclosed is an organic light-emitting diode device including: a first electrode; a second electrode disposed opposite to the first electrode; m light-emitting units (where m is an integer of 2 or more) disposed between the first electrode and the second electrode, and including at least one light-emitting layer; and m-1 charge generation layers each interposed between two adjacent light-emitting units of the m light-emitting units; wherein at least one of the m-1 charge generation layers includes a compound for a charge generation layer, which includes a boron-containing compound bonded to a metal halide by a one-electron sigma bond.

公开(公告)号：US20180090718A1

公开(公告)日：2018-03-29

申请号：US15713407

申请日：2017-09-22

Applicant: Samsung Display Co., Ltd.

Inventor： Jihye LEE ,  Dongchan KIM ,  Donghoon KIM ,  Wonjong KIM ,  Jiyoung MOON ,  Dongkyu SEO ,  Dahea IM ,  Sanghoon YIM ,  Yoonhyeung CHO ,  Wonsuk HAN

IPC: H01L51/52 ,  H01L51/50

Abstract: An organic light emitting diode display device includes a substrate, an organic light emitting diode on the substrate and a capping layer on the organic light emitting diode. The capping layer includes metal iodide selected from alkali metal iodide and alkaline-earth metal iodide. The organic light emitting diode may have reduced driving voltage and improved luminous efficiency.

公开(公告)号：US20180053914A1

公开(公告)日：2018-02-22

申请号：US15796199

申请日：2017-10-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sanghoon YIM ,  Dongchan KIM ,  Wonjong KIM ,  Eungdo KIM ,  Dongkyu SEO ,  Okkeun SONG ,  Jihye LEE ,  Dahea IM ,  Yoonhyeung CHO ,  Wonsuk HAN

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/05 ,  H01L29/49 ,  H01L51/50

CPC classification number: H01L51/5253 ,  H01L27/3211 ,  H01L27/3244 ,  H01L29/4908 ,  H01L51/0545 ,  H01L51/504 ,  H01L51/5237 ,  H01L51/5275 ,  H01L51/5281

Abstract: An organic light-emitting display apparatus, including a substrate; a first electrode on the substrate; a second electrode on the first electrode; a first organic emissive layer between the first electrode and the second electrode, the first organic emissive layer to emit a first light; a second organic emissive layer between the first electrode and the second electrode, the second organic emissive layer to emit a second light having a different color from the first light; an auxiliary layer on the second electrode, the auxiliary layer having a refractive index equal to or higher than about 2.2; and a charging layer on the auxiliary layer.

公开(公告)号：US20220402859A1

公开(公告)日：2022-12-22

申请号：US17674751

申请日：2022-02-17

Applicant: Samsung Display Co., Ltd.

Inventor： Seokgyu YOON ,  Dongkyu SEO ,  Junyong SHIN ,  Byeongwook YOO ,  Daeho LEE ,  Byungseok LEE

IPC: C07C209/86 ,  H01L51/44 ,  C07D405/12 ,  C07D401/12 ,  C07D409/12 ,  C07D307/91 ,  C07C211/57 ,  C07C211/49 ,  C07C211/61 ,  C07D235/18 ,  C07D401/04 ,  C07D401/14 ,  C07D251/24 ,  C07D239/26 ,  C07D471/04 ,  C07D403/14 ,  C07D249/08 ,  C07F5/06 ,  C07D487/14 ,  H01L51/00 ,  H01L51/42 ,  H01L27/28

Abstract: An organic photodetector includes: a first electrode; a second electrode facing the first electrode; an activation layer between the first electrode and the second electrode; a hole injection layer between the first electrode and the activation layer; and a hole transport layer between the hole injection layer and the activation layer, wherein the hole transport layer includes: a first hole transport layer including a p-dopant; and a second hole transport layer not including a p-dopant.

公开(公告)号：US20210217964A1

公开(公告)日：2021-07-15

申请号：US17142900

申请日：2021-01-06

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeongpil KIM ,  Wonjong KIM ,  Hyoyeon KIM ,  Yeongrong PARK ,  Dongkyu SEO ,  Junyong SHIN ,  Junghee AN ,  Byeongwook YOO ,  Daeho LEE ,  Byungseok LEE ,  Jaejin LYU

IPC: H01L51/00

Abstract: An organic light-emitting device and a flat-display apparatus, the organic light-emitting device including: a charge generating layer between two adjacent emission units, the charge generating layer including an n-type charge generating layer and a p-type charge generating layer, wherein at least one of the n-type and the p-type charge generating layers includes a first inorganic material selected from a late transition metal, a metalloid, a compound including late transition metals, a compound including metalloids, a compound including a late transition metal and a metalloid, and combinations thereof, the late transition metal is at least one selected from Al, Ga, In, Tl, Sn, Pb, Fl, Bi, and Po, the metalloid is at least one selected from B, Si, Ge, As, Sb, Te, and At, and when the late transition metal is at least one selected from Al, In, and Pb, the first inorganic material is the compound including a late transition metal and a metalloid.

公开(公告)号：US20190109293A1

公开(公告)日：2019-04-11

申请号：US16202295

申请日：2018-11-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Eungdo KIM ,  Dongchan KIM ,  Wonjong KIM ,  Dongkyu SEO ,  Dahea IM ,  Sanghoon YIM ,  Yoonhyeung CHO ,  Changwoong CHU

IPC: H01L51/50 ,  H01L51/00

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 and including an emission layer, the organic layer including a low work function metal compound.

公开(公告)号：US20170352823A1

公开(公告)日：2017-12-07

申请号：US15472764

申请日：2017-03-29

Applicant: Samsung Display Co., Ltd

Inventor： Dongchan KIM ,  Dongkyu SEO ,  Byoungduk LEE ,  Yoonhyeung CHO ,  Yongchan JU ,  Wonsuk HAN

IPC: H01L51/00 ,  H01L51/50

CPC classification number: H01L51/0089 ,  H01L51/5056 ,  H01L51/5072 ,  H01L2251/558

Abstract: A light-emitting device is provided. The device includes a first electrode, a second electrode, an emission layer between the first electrode and the second electrode, a hole transport region between the first electrode and the emission layer, and an electron transport region between the emission layer and the second electrode. The hole transport region may include a hole transport layer, which in turn includes a first perovskite compound [A1l][B1m][X1]n with a neutral defect. A hole concentration of the first perovskite compound may be from about 1.0×1016 to about 9×1018 cm−3 at about 25° C.