JP5722042B2 - 複数の分離した発光層を有する有機発光装置 - Google Patents
複数の分離した発光層を有する有機発光装置 Download PDFInfo
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- JP5722042B2 JP5722042B2 JP2010536029A JP2010536029A JP5722042B2 JP 5722042 B2 JP5722042 B2 JP 5722042B2 JP 2010536029 A JP2010536029 A JP 2010536029A JP 2010536029 A JP2010536029 A JP 2010536029A JP 5722042 B2 JP5722042 B2 JP 5722042B2
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
- H10K50/125—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
- H10K50/12—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/19—Tandem OLEDs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2101/00—Properties of the organic materials covered by group H10K85/00
- H10K2101/30—Highest occupied molecular orbital [HOMO], lowest unoccupied molecular orbital [LUMO] or Fermi energy values
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
Description
本発明は、米国エネルギー省による契約第DEFC26−04NT42272の下で米国政府の援助の下で行なわれた。政府は本発明に一定の権利を有している。
請求の範囲に記載されている発明は、大学−企業共同研究契約に基づき、一つ以上の以下の団体によって、それらを代表して、及び/又はそれらに関連してなされた:プリンストン大学、南カリフォルニア大学、ミシガン大学、及びユニバーサルディスプレイコーポレーション。前記契約は、請求の範囲に記載されている発明がなされた日及びそれ以前に有効であったもので、請求の範囲に記載されている発明は前記協約の範囲内で行なわれた活動の結果としてなされた。
CBP 4,4’−N,N−ジカルバゾール−ビフェニル
m−MTDATA 4,4’,4”−トリス(3−メチルフェニルフェニルアミノ)トリフェニルアミン
Alq3 8−トリス−ヒドロキシキノリンアルミニウム
Bphen 4,7−ジフェニル−1,10−フェナントロリン
n−Bphen n−ドープBPhen(リチウムでドープされた)
F4−TCNQ テトラフルオロ−テトラシアノ−キノジメタン
p−MTDATA p−ドープm−MTDATA(F4−TCNQでドープされた)
Ir(ppy)3 トリス(2−フェニルピリジン)−イリジウム
Ir(ppz)3 トリス(1−フェニルピラゾロト,N,C(2’)イリジウム(III))
BCP 2,9−ジメチル−4,7−ジフェニル−1,10−フェナントロリン
TAZ 3−フェニル−4−(1’−ナフチル)−5−フェニル−1,2,4−トリアゾール
CuPc 銅フタロシアニン
ITO 酸化インジウムスズ
NPD N,N’−ジフェニル−N−N’−ジ(1−ナフチル)−ベンジジン
TPD N,N’−ジフェニル−N−N’−ジ(3−トリル)−ベンジジン
BAlq アルミニウム(III)ビス(2−メチル−8−ヒドロキシキノリナト)4−フェニルフェノレート
mCP 1,3−N,N−ジカルバゾール−ベンゼン
DCM 4−(ジシアノエチレン)−6−(4−ジメチルアミノスチリル−2−メチル)−4H−ピラン
DMOA N,N’−ジメチルキナクリドン
PEDOT:PSS ポリ(3,4−エチレンジオキシチオフェン)とポリスチレンスルホン酸塩(PSS)の水性懸濁液
hfac ヘキサフルオロアセチルアセトン
1,5−COD 1,5−シクロオクタジエン
VTES ビニルトリエチルシラン
BTMSA ビス(トリメチルシリル)アセチレン
Ru(acac)3 トリス(アセチルアセトナート)ルテニウム(III)
C60 カーボン60(「バックミンスターフラーレン」)
本発明の特定の典型的な実施形態が、そのような実施形態が如何にしてなされ得るかを含んでここに説明される。特定の方法、材料、条件、プロセスパラメータ、装置等は必ずしも本発明の範囲を制限しないことは理解される。
110 基板
115 アノード
120 正孔注入層
125 正孔輸送層
130 電子阻止層
135 発光層
140 正孔阻止層
145 電子輸送層
150 電子注入層
155 保護層
160 カソード
162 第1の導電層
164 第2の導電層
Claims (11)
- アノードと、
カソードと、
前記アノードとカソードとの間に配置された積層された発光領域と、を含み、
前記積層された発光領域は、
第1のドーパント及び第1のホストを含む第1の有機発光層と、
第2のドーパント及び第2のホストを含む第2の有機発光層と、
第3のドーパント及び第3のホストを含む第3の有機発光層と、を含み、
第1のホスト、第2のホスト、及び第3のホストが互いに異なり、
第1のドーパント、第2のドーパント、及び第3のドーパントが互いに異なり、
第2のホストのLUMOが第1のホスト及び第1のドーパントのLUMOの双方の0.4eVの範囲内であり、
第2のホストと第3のホストとの間のHOMOの差は0.4eVよりも大きく、
前記第1の有機発光層は、前記第2の発光層及び第3の発光層のうち少なくとも一つと異なる発光ピークを有し、
前記有機発光層の各々は励起子形成領域を規定する、装置。 - 少なくとも一つのホストのHOMOが隣接する発光層のドーパントのHOMOの5kT−10kTの範囲内である、請求項1に記載の装置。
- 少なくとも一つのホストのLUMOが隣接する発光層のドーパントのLUMOの5kT−10kTの範囲内である、請求項2に記載の装置。
- 第2のホストのLUMOが第1のホストのLUMOと第1のドーパントのLUMOとの間にある、請求項1に記載の装置。
- 少なくとも一つのドーパントがりん光ドーパントである、請求項1に記載の装置。
- 少なくとも一つのドーパントが蛍光ドーパントである、請求項1に記載の装置。
- 有機発光層の組み合わされた発光が十分に可視スペクトルに広がり白色光を生成する、請求項1に記載の装置。
- 前記白色光のCRIが80以上である、請求項7に記載の装置。
- 前記白色光のCRE座標が(0.33±0.05、0.33±0.05)の範囲内である、請求項7に記載の装置。
- 少なくとも一つの有機発光層が非ポリマー材料を含む、請求項1に記載の装置。
- 少なくとも一つの有機発光層がポリマーを含む、請求項1に記載の装置。
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US11/945,910 US8143613B2 (en) | 2007-11-27 | 2007-11-27 | Organic light emitting device having multiple separate emissive layers |
PCT/US2008/079055 WO2009070382A1 (en) | 2007-11-27 | 2008-10-07 | Organic light emitting device having multiple separate emissive layers |
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US (1) | US8143613B2 (ja) |
EP (1) | EP2215670B1 (ja) |
JP (1) | JP5722042B2 (ja) |
KR (1) | KR101486109B1 (ja) |
CN (1) | CN101952990B (ja) |
WO (1) | WO2009070382A1 (ja) |
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