JPWO2012160926A1 - 有機エレクトロルミネッセンス素子 - Google Patents
有機エレクトロルミネッセンス素子 Download PDFInfo
- Publication number
- JPWO2012160926A1 JPWO2012160926A1 JP2013516260A JP2013516260A JPWO2012160926A1 JP WO2012160926 A1 JPWO2012160926 A1 JP WO2012160926A1 JP 2013516260 A JP2013516260 A JP 2013516260A JP 2013516260 A JP2013516260 A JP 2013516260A JP WO2012160926 A1 JPWO2012160926 A1 JP WO2012160926A1
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- Prior art keywords
- layer
- electrode
- light emitting
- conductive
- organic electroluminescence
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- YYMBJDOZVAITBP-UHFFFAOYSA-N rubrene Chemical compound C1=CC=CC=C1C(C1=C(C=2C=CC=CC=2)C2=CC=CC=C2C(C=2C=CC=CC=2)=C11)=C(C=CC=C2)C2=C1C1=CC=CC=C1 YYMBJDOZVAITBP-UHFFFAOYSA-N 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical compound C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 1
- 235000021286 stilbenes Nutrition 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- IFLREYGFSNHWGE-UHFFFAOYSA-N tetracene Chemical compound C1=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C21 IFLREYGFSNHWGE-UHFFFAOYSA-N 0.000 description 1
- 150000004905 tetrazines Chemical class 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- ODHXBMXNKOYIBV-UHFFFAOYSA-N triphenylamine Chemical compound C1=CC=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 ODHXBMXNKOYIBV-UHFFFAOYSA-N 0.000 description 1
- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc 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
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- H10K50/80—Constructional details
- H10K50/805—Electrodes
-
- 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
- H10K50/80—Constructional details
- H10K50/805—Electrodes
- H10K50/82—Cathodes
- H10K50/824—Cathodes combined with auxiliary electrodes
-
- 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
- H10K50/80—Constructional details
- H10K50/88—Terminals, e.g. bond pads
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
以下、本実施形態の有機エレクトロルミネッセンス素子について図1〜図3に基づいて説明する。
本実施形態の有機エレクトロルミネッセンス素子は、実施形態1と略同じであり、図6に示すように、導電性層50がホール注入機能を備え、機能層30の絶縁層35とインターレイヤー33とが導電性層50に接している点などが相違する。
Claims (7)
- 発光層と、
前記発光層の厚み方向の第1面上に配置される第1電極層と、
前記発光層の厚み方向の第2面上に配置される第2電極層と、
導電性層と、
絶縁層と、
を備え、
前記発光層は、前記第1電極層と前記第2電極層との間に所定の電圧が印加されると光を放射するように構成され、
前記第2電極層は、前記第2面を覆う電極部と、前記第2面を露出させるように前記電極部に形成される開口部と、を有し、
前記導電性層は、前記光を透過させるように構成され、前記第2面を覆うように前記第2電極層と前記第2面との間に介在され、
前記絶縁層は、前記厚み方向において前記電極部と重なるように前記第2面と前記導電性層との間に介在される
ことを特徴とする有機エレクトロルミネッセンス素子。 - 前記導電性層は、前記第2面のうち前記開口部から露出する領域を覆う第1部位と、前記絶縁層と前記電極部との間に介在される第2部位と、を有し、
前記第1部位の厚さは、前記絶縁層と前記第2部位と前記電極部との厚さの合計よりも小さい
ことを特徴とする請求項1記載の有機エレクトロルミネッセンス素子。 - ホール注入層をさらに備え、
前記第1電極層は、陰極であり、
前記第2電極層は、陽極であり、
前記ホール注入層は、前記発光層と前記導電性層および前記電極部との間に介在され、
前記絶縁層は、前記ホール注入層と前記導電性層との間に位置する
ことを特徴とする請求項1記載の有機エレクトロルミネッセンス素子。 - 電子ブロッキング層をさらに備え、
前記第1電極層は、陰極であり、
前記第2電極層は、陽極であり、
前記導電性層は、ホール注入層として機能するように構成され、
前記電子ブロッキング層は、前記発光層と前記導電性層および前記電極部との間に介在され、
前記絶縁層は、前記電子ブロッキング層と前記導電性層との間に位置する
ことを特徴とする請求項1記載の有機エレクトロルミネッセンス素子。 - 前記第2電極層は、金属の粉末と有機バインダとの混合物を用いて形成される
ことを特徴とする請求項1記載の有機エレクトロルミネッセンス素子。 - 前記導電性層は、導電性ナノ構造体が混入された透明媒体を用いて形成される透明導電膜、あるいは、前記光を透過させることができる厚みの金属薄膜である
ことを特徴とする請求項1記載の有機エレクトロルミネッセンス素子。 - 前記第1電極層および前記第2電極層それぞれの材料の抵抗率が、透明導電性酸化物の抵抗率よりも低い
ことを特徴とする請求項1記載の有機エレクトロルミネッセンス素子。
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US20150076472A1 (en) * | 2013-09-13 | 2015-03-19 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting device, lighting device, and display device |
US11123204B2 (en) * | 2015-02-06 | 2021-09-21 | Boston Scientific Scimed, Inc. | Anti-migration stent |
US10944072B2 (en) * | 2015-11-03 | 2021-03-09 | Cornell University | Stretchable electroluminescent devices |
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