JP2015502006A - 有機発光素子 - Google Patents
有機発光素子 Download PDFInfo
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- JP2015502006A JP2015502006A JP2014541612A JP2014541612A JP2015502006A JP 2015502006 A JP2015502006 A JP 2015502006A JP 2014541612 A JP2014541612 A JP 2014541612A JP 2014541612 A JP2014541612 A JP 2014541612A JP 2015502006 A JP2015502006 A JP 2015502006A
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- Prior art keywords
- layer
- light emitting
- organic
- electrode
- reflective electrode
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- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000005566 electron beam evaporation Methods 0.000 description 1
- 238000001017 electron-beam sputter deposition Methods 0.000 description 1
- 150000002118 epoxides Chemical class 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910000449 hafnium oxide Inorganic materials 0.000 description 1
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002503 iridium Chemical class 0.000 description 1
- 239000002650 laminated plastic Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- FQHFBFXXYOQXMN-UHFFFAOYSA-M lithium;quinolin-8-olate Chemical compound [Li+].C1=CN=C2C([O-])=CC=CC2=C1 FQHFBFXXYOQXMN-UHFFFAOYSA-M 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- BLFVVZKSHYCRDR-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-2-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-2-amine Chemical compound C1=CC=CC=C1N(C=1C=C2C=CC=CC2=CC=1)C1=CC=C(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C3C=CC=CC3=CC=2)C=C1 BLFVVZKSHYCRDR-UHFFFAOYSA-N 0.000 description 1
- PKQHEBAYOGHIPX-UHFFFAOYSA-N n-[4-[9-[4-(dinaphthalen-2-ylamino)phenyl]fluoren-9-yl]phenyl]-n-naphthalen-2-ylnaphthalen-2-amine Chemical compound C1=CC=CC2=CC(N(C=3C=C4C=CC=CC4=CC=3)C3=CC=C(C=C3)C3(C=4C=CC(=CC=4)N(C=4C=C5C=CC=CC5=CC=4)C=4C=C5C=CC=CC5=CC=4)C4=CC=CC=C4C=4C3=CC=CC=4)=CC=C21 PKQHEBAYOGHIPX-UHFFFAOYSA-N 0.000 description 1
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000004038 photonic crystal Substances 0.000 description 1
- 229920000553 poly(phenylenevinylene) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920002098 polyfluorene Polymers 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 150000003304 ruthenium compounds Chemical class 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000010944 silver (metal) Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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Abstract
Description
Ν,Ν’−ビス(ナフタレン−1−イル)−Ν,Ν’−ビス(フェニル)−ベンジジン(NPB)、
Ν,Ν’−ビス(ナフタレン−2−イル)−Ν,Ν’−ビス(フェニル)−ベンジジン(β−NPB)、
N,N’−ビス(3−メチルフェニル)−N,N’−ビス(フェニル)−ベンジジン(TPD)、
Ν,Ν’−ビス(3−メチルフェニル)−Ν,Ν’−ビス(フェニル)−9,9−スピロフルオレン(スピロ−TPD)、
Ν,Ν’−ビス(ナフタレン−1−イル)−Ν,Ν’−ビス(フェニル)−9,9−スピロフルオレン(スピロ−NPB)、
Ν,Ν’−ビス(3−メチルフェニル)−Ν,Ν’−ビス(フェニル)−9,9−ジメチル−フルオレン(DMFL−TPD)、
Ν,Ν’−ビス(ナフタレン−1−イル)−Ν,Ν’−ビス(フェニル)−9,9−ジメチル−フルオレン(DMFL−NPB)、
Ν,Ν’−ビス−(3−メチルフェニル)−Ν,Ν’−ビス(フェニル)−9,9−ジフェニル−フルオレン(DPFL−TPD)、
Ν,Ν’−ビス(ナフタレン−1−イル)−Ν,Ν’−ビス(フェニル)−9,9−ジフェニル−フルオレン(DPFL−NPB)、
2,2’,7,7’−テトラキス(N,N−ジフェニルアミノ)−9,9’−スピロフルオレン(スピロ−TAD)、
9,9−ビス[4−(N,N−ビス−ビフェニル−4−イル−アミノ)フェニル]−9H−フルオレン(BPAPF)、
9,9−ビス[4−(N,N−ビス−ナフタレン−2−イル−アミノ)フェニル]−9H−フルオレン(NPAPF)、
9,9−ビス[4−(Ν,Ν’−ビス−ナフタレン−2−イル−N,N’−ビス−フェニル−アミノ)−フェニル]−9H−フルオレン(NPBAPF)、
2,2’,7,7’−テトラキス[N−ナフタレニル(フェニル)−アミノ]−9,9−スピロフルオレン(スピロ−2NPB)、
Ν,Ν’−ビス(フェナントレン−9−イル)−Ν,Ν’−ビス(フェニル)−ベンジジン(PAPB)、
2,7−ビス[N,N−ビス(9,9−スピロ−ビフルオレン−2−イル)−アミノ]−9,9−スピロフルオレン(スピロ−S)、
2,2’−ビス[N,N−ビス(ビフェニル−4−イル)アミノ]−9,9−スピロフルオレン(2,2’−スピロ−DBP)、
2,2’−ビス(N,N−ジ−フェニル−アミノ)−9,9−スピロフルオレン(スピロ−BPA)
8−ヒドロキシキノリノラト−リチウム(Liq)、
2,2’,2’’−(1,3,5−ベンジントリイル)−トリス(1−フェニル−1−H−ベンゾイミダゾール)(TPBi)、
2−(4−ビフェニリル)−5−(4−tert−ブチルフェニル)−1,3,4−オキサジアゾール(PBD)、
2,9−ジメチル−4,7−ジフェニル−1,10−フェナントロリン(BCP)、
4,7−ジフェニル−1,10−フェナントロリン(BPhen)、
ビス−(2−メチル−8−キノリノラト)−4−(フェニルフェノラト)アルミニウム(BAlq)、
1,3−ビス[2−(2,2’−ビピリジン−6−イル)−1,3,4−オキサジアゾ−5−イル]ベンゼン(Bpy−OXD)、
6,6’−ビス[5−(ビフェニル−4−イル)−1,3,4−オキサジアゾ−2−イル]−2,2’−ビピリジル(BP−OXD−Bpy)、
3−(4−ビフェニリル)−4−フェニル−5−tert−ブチルフェニル−1,2,4−トリアゾール(TAZ)、
4−(ナフタレン−1−イル)−3,5−ジフェニル−4H−1,2,4−トリアゾール(NTAZ)、
2,9−ビス(ナフタレン−2−イル)−4,7−ジフェニル−1,10−フェナントロリン(NBphen)、
2,7,−ビス[2−(2,2’−ビピリジン−6−イル)−1,3,4−オキサジアゾ−5−イル]−9,9−ジメチルフルオレン(Bby−FOXD)、
1,3−ビス[2−(4−tert−ブチルフェニル)−1,3,4−オキサジアゾ−5−イル]ベンゼン(OXD−7)
−複数の発光層の内の一方の発光層は赤色及び緑色の光を放出し、他方の発光層は青色の光を放出する。
−全てが白色光を放出する、少なくとも二つ又は三つの発光層が設けられている。
−少なくとも三つの発光層が設けられており、それらの発光層の内の一つが赤色光、黄色光及び青色光を放出する。
−少なくとも三つの発光層が設けられており、それらの発光層の内の一つが赤色光及び緑色光を放出し、二つの発光層が青色光を放出する。その場合、青色光を放出する層も、赤色光及び緑色光を放出する層も、基板から見て例えば一番下又は一番上の発光層を形成することができる。
Claims (15)
- 有機発光素子において、
半透明基板(1)と、半透明電極(3)と、複数の有機機能層を備えている有機機能積層体と、反射性電極(7)とを有しており、
前記半透明基板(1)の上には光学出力層(2)が被着されており、
前記半透明電極(3)は前記出力層(2)の上に設けられており、
前記有機機能層には、前記半透明電極(3)の上に設けられている有機正孔伝導層(4)と、該正孔伝導層(4)の上に設けられている、少なくとも一つの有機発光層(5)と、有機電子伝導層(6)とが含まれており、
前記少なくとも一つの有機発光層(5)は、前記反射性電極(7)まで150nm以上の間隔を有している、
ことを特徴とする、有機発光素子。 - 有機発光素子において、
半透明基板(1)と、半透明電極(3)と、複数の有機機能層を備えている有機機能積層体と、反射性電極(7)とを有しており、
前記半透明基板(1)の上には光学出力層(2)が被着されており、
前記半透明電極(3)は前記出力層(2)の上に設けられており、
前記有機機能層には、前記半透明電極(3)の上に設けられている少なくとも一つの有機電子伝導層(6)と、該電子伝導層(6)の上に設けられている、少なくとも一つの有機発光層(5)と、有機正孔伝導層(4)とが含まれており、
前記少なくとも一つの有機発光層(5)は、前記反射性電極(7)まで150nm以上の間隔を有している、
ことを特徴とする、有機発光素子。 - 600nmの波長において、前記少なくとも一つの発光層(5)と前記反射性電極(7)との間の光路長は1.6・150nm以上且つ1.8・225nm以下である、請求項1又は2に記載の素子。
- 前記少なくとも一つの発光層(5)から前記反射性電極(7)までの前記間隔は180nm以上且つ225nm以下である、請求項1乃至3のいずれか一項に記載の素子。
- 前記少なくとも一つの発光層(5)から前記反射性電極(7)までの前記間隔は、前記少なくとも一つの発光層(5)において生成された放射束のうちの、プラズモンの形態で前記反射性電極(7)に入力される相対的な割合が10%以下であるように選定されている、請求項1乃至4のいずれか一項に記載の素子。
- 前記有機機能積層体は、5nmよりも厚く、且つ、450nmよりも大きい波長に対して0.005以下の吸収係数kを有している少なくとも一つの有機機能層を有している、請求項1乃至5のいずれか一項に記載の素子。
- 前記半透明電極(3)は、450nmよりも大きい波長に対して、0.005以下の吸収係数kを有しており、且つ、可視スペクトル領域において80%以上の総透過率を有している、請求項1乃至6のいずれか一項に記載の素子。
- 前記反射性電極(7)は可視スペクトル領域において80%以上の反射率を有している、請求項1乃至7のいずれか一項に記載の素子。
- 前記光学出力層(2)は、前記有機機能層及び前記半透明電極(3)の、層厚で重み付けられた平均屈折率以上の屈折率を有している、請求項1乃至8のいずれか一項に記載の素子。
- 前記光学出力層(2)は光散乱性である、請求項1乃至9のいずれか一項に記載の素子。
- 前記光学出力層(2)は、屈折率が1.8以上、特に1.85以上の材料を有しており、該材料内に散乱中心部が分散されて配置されている、請求項1乃至10のいずれか一項に記載の素子。
- 前記有機機能積層体は、
−前記電子伝導層(6)と前記少なくとも一つの発光層(5)との間の正孔ブロック層、
−前記正孔伝導層(4)と前記少なくとも一つの発光層(5)との間の電子ブロック層、
から選択されている、少なくとも一つの別の有機層を更に有している、請求項1乃至11のいずれか一項に記載の素子。 - 前記正孔伝導層(4)と前記電子伝導層(6)との間に、複数の発光層(51,5n)が配置されている、請求項1乃至12のいずれか一項に記載の素子。
- 前記反射性電極(7)と前記少なくとも一つの発光層(5)との間に配置されている前記電子伝導層(6)又は前記正孔伝導層(4)はドーピングされている、請求項1乃至13のいずれか一項に記載の素子。
- 前記半透明電極(3)は150μΩ・cm以上且つ500μΩ・cm以下の比抵抗を有している、請求項1乃至14のいずれか一項に記載の素子。
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DE102012203583B4 (de) | 2012-03-07 | 2021-03-18 | Pictiva Displays International Limited | Organisches Licht emittierendes Bauelement |
WO2016043084A1 (ja) * | 2014-09-18 | 2016-03-24 | 旭硝子株式会社 | 発光素子および発電素子 |
KR101759294B1 (ko) * | 2015-01-05 | 2017-07-18 | 코닝정밀소재 주식회사 | 탠덤형 유기발광소자 |
DE102016101710A1 (de) | 2016-02-01 | 2017-08-03 | Osram Oled Gmbh | OLED und Verfahren zur Herstellung einer OLED |
CN108987603B (zh) * | 2018-02-11 | 2021-07-20 | 宁波卢米蓝新材料有限公司 | 一种绿光有机电致发光器件 |
CN109004101B (zh) * | 2018-02-11 | 2021-07-20 | 宁波卢米蓝新材料有限公司 | 一种有机电致发光器件 |
CN108987604B (zh) * | 2018-02-11 | 2021-08-24 | 宁波卢米蓝新材料有限公司 | 一种红光有机电致发光器件 |
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- 2012-11-09 CN CN201280055901.XA patent/CN103931011B/zh active Active
- 2012-11-09 KR KR1020147012526A patent/KR20140095486A/ko not_active Application Discontinuation
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US9293733B2 (en) | 2016-03-22 |
DE102011086255A1 (de) | 2013-05-16 |
CN103931011B (zh) | 2017-02-22 |
CN103931011A (zh) | 2014-07-16 |
US20150076452A1 (en) | 2015-03-19 |
WO2013072250A1 (de) | 2013-05-23 |
KR20140095486A (ko) | 2014-08-01 |
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