JP6884837B2 - 自発光表示装置 - Google Patents
自発光表示装置 Download PDFInfo
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- JP6884837B2 JP6884837B2 JP2019179388A JP2019179388A JP6884837B2 JP 6884837 B2 JP6884837 B2 JP 6884837B2 JP 2019179388 A JP2019179388 A JP 2019179388A JP 2019179388 A JP2019179388 A JP 2019179388A JP 6884837 B2 JP6884837 B2 JP 6884837B2
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- 238000006243 chemical reaction Methods 0.000 claims description 66
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- 229910019901 yttrium aluminum garnet Inorganic materials 0.000 description 2
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- QGRODSWXNVENTK-UHFFFAOYSA-N CC1=C(C=CC=C1)C1=C(C=CC(=C1)NC1=CC=CC=C1)C1=CC=C(NC2=CC=CC=C2)C=C1 Chemical compound CC1=C(C=CC=C1)C1=C(C=CC(=C1)NC1=CC=CC=C1)C1=CC=C(NC2=CC=CC=C2)C=C1 QGRODSWXNVENTK-UHFFFAOYSA-N 0.000 description 1
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- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 1
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- VYXSBFYARXAAKO-UHFFFAOYSA-N ethyl 2-[3-(ethylamino)-6-ethylimino-2,7-dimethylxanthen-9-yl]benzoate;hydron;chloride Chemical compound [Cl-].C1=2C=C(C)C(NCC)=CC=2OC2=CC(=[NH+]CC)C(C)=CC2=C1C1=CC=CC=C1C(=O)OCC VYXSBFYARXAAKO-UHFFFAOYSA-N 0.000 description 1
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- 235000019239 indanthrene blue RS Nutrition 0.000 description 1
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 1
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- 239000002055 nanoplate Substances 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
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- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- CLYVDMAATCIVBF-UHFFFAOYSA-N pigment red 224 Chemical compound C=12C3=CC=C(C(OC4=O)=O)C2=C4C=CC=1C1=CC=C2C(=O)OC(=O)C4=CC=C3C1=C42 CLYVDMAATCIVBF-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
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- 239000002952 polymeric resin Substances 0.000 description 1
- SBIBMFFZSBJNJF-UHFFFAOYSA-N selenium;zinc Chemical compound [Se]=[Zn] SBIBMFFZSBJNJF-UHFFFAOYSA-N 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- OCGWQDWYSQAFTO-UHFFFAOYSA-N tellanylidenelead Chemical compound [Pb]=[Te] OCGWQDWYSQAFTO-UHFFFAOYSA-N 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
- H10K50/15—Hole transporting layers
- H10K50/156—Hole transporting layers comprising a multilayered structure
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/50—OLEDs integrated with light modulating elements, e.g. with electrochromic elements, photochromic elements or liquid crystal elements
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/123—Connection of the pixel electrodes to the thin film transistors [TFT]
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- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
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- H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
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- H10K59/875—Arrangements for extracting light from the devices
- H10K59/879—Arrangements for extracting light from the devices comprising refractive means, e.g. lenses
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- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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- H10K59/12—Active-matrix OLED [AMOLED] displays
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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Description
Claims (16)
- 駆動薄膜トランジスタを含む回路基板;
前記回路基板上に配置されたカラーフィルタパターン;
前記回路基板及び前記カラーフィルタパターンの上に配置されたパッシベーション膜;
前記パッシベーション膜上に配置され、前記カラーフィルタパターンの一部分と重畳した色変換パターン;及び
前記パッシベーション膜上の平坦部と前記色変換パターン上の凸部とを含む発光層であって、前記凸部が前記平坦部に対して凸状の形状を有する、発光層;
を含む自発光表示装置。 - 前記平坦部と前記パッシベーション膜との間に配置された第1パートと、前記凸部と前記色変換パターンとの間に配置された第2パートとを含むアノードであって、前記第2パートが前記第1パートに対して凸状の形状を有する、アノード;
をさらに含み、
前記パッシベーション膜は、前記第1パートと前記駆動薄膜トランジスタが互いに重畳する領域に対応するコンタクト孔を含み、
前記アノードは、前記コンタクト孔を介して前記駆動薄膜トランジスタと電気的に連結された、
請求項1に記載の自発光表示装置。 - 画素を区画し、前記パッシベーション膜上に配置され、前記アノードの縁を覆う画素定義膜;
をさらに含み、
前記平坦部は、前記画素定義膜上に配置された、
請求項2に記載の自発光表示装置。 - 前記カラーフィルタパターンは、互いに離隔して配置された赤色フィルタ部、緑色フィルタ部及び青色フィルタ部を含み、
前記色変換パターンは、前記赤色フィルタ部と重畳する赤色変換部と、前記緑色フィルタ部と重畳する緑色変換部とを含む、
請求項1に記載の自発光表示装置。 - 前記発光層上に配置されたカソード;及び、
前記カソード上に配置された封止層;
をさらに含む、
請求項1に記載の自発光表示装置。 - 基板;
前記基板上に配置された第1の色フィルタ部;
前記基板上に配置され、前記第1の色フィルタ部を覆うパッシベーション膜;及び、
前記パッシベーション膜上に配置され、前記第1の色フィルタ部の一部分と重畳する第1の色変換部;
前記パッシベーション膜及び前記第1の色変換部の上に配置され、アノードを有する第1の発光素子と、
を含み、
前記第1の色フィルタ部は、前記第1の色変換部に重畳する第1の副画素を含み、
前記アノードは、前記パッシベーション膜上に配置された第一部分と、前記第1の色変換部上に配置された第二部分とを含み、
前記第二部分は、前記第一部分より膨らんで突出している、
表示装置。 - 前記アノードの前記第一部分に重畳する画素定義膜をさらに含む、
請求項6に記載の表示装置。 - 前記第1の色変換部は、前記アノードの前記第一部分より脹らんで突出する、
請求項6に記載の表示装置。 - 前記第1の副画素は、前記基板上に配置される駆動薄膜トランジスタをさらに含み、
前記パッシベーション膜は、前記アノードの前記第一部分と前記駆動薄膜トランジスタが互いに重畳する領域に配置されたコンタクト孔を含み、
前記アノードの前記第一部分は、前記コンタクト孔を介して前記駆動薄膜トランジスタと電気的に連結される、
請求項6に記載の表示装置。 - 前記第1の色変換部が前記第1の色フィルタ部に重畳する前記パッシベーション膜から前記アノードが離隔するように、前記第1の色変換部は、前記アノードと前記パッシベーション膜との間に配置される、
請求項6に記載の表示装置。 - 前記第1の色変換部は、前記基板から脹らんで突出する、
請求項6に記載の表示装置。 - 前記第1の発光素子は、カソードをさらに含み、
前記カソードは、凸部と、前記アノードの前記第一部分に対応する平坦部とを含み、
前記凸部は、前記平坦部より脹らんで突出し、
前記カソードの前記凸部は、前記第1の色変換部及び前記第1の色フィルタ部に重畳する、
請求項6に記載の表示装置。 - 前記基板上に配置され、第2の発光素子及び第2の色フィルタ部を含む第2の副画素をさらに含み、
前記第2の発光素子は、カソードを含み、
前記カソードは、前記平坦部及び前記平坦部より凹んだ凹部を含み、
前記第2の副画素の前記カソードの前記凹部は、前記第2の色フィルタ部に重畳する、
請求項12に記載の表示装置。 - 前記パッシベーション膜は、さらに前記第2の色フィルタ部に重畳し、
前記第2の発光素子は、前記パッシベーション膜上に配置され、前記第2の色フィルタ部に重畳するアノードをさらに含み、
前記第2の発光素子の前記アノードは、前記パッシベーション膜に全体として直接に接する、
請求項13に記載の表示装置。 - 前記第2の発光素子は、青色光を放出する、
請求項13に記載の表示装置。 - 前記第1の副画素がレンズ状を有し、外部光抽出効率が向上するように、前記第1の色変換部は、テーパー状のエッジを有する、
請求項6に記載の表示装置。
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