JP6907297B2 - 有機発光表示装置 - Google Patents
有機発光表示装置 Download PDFInfo
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- JP6907297B2 JP6907297B2 JP2019231268A JP2019231268A JP6907297B2 JP 6907297 B2 JP6907297 B2 JP 6907297B2 JP 2019231268 A JP2019231268 A JP 2019231268A JP 2019231268 A JP2019231268 A JP 2019231268A JP 6907297 B2 JP6907297 B2 JP 6907297B2
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- 239000010409 thin film Substances 0.000 claims description 29
- 239000000758 substrate Substances 0.000 claims description 21
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- 229910003087 TiOx Inorganic materials 0.000 claims description 8
- 229910007667 ZnOx Inorganic materials 0.000 claims description 8
- HLLICFJUWSZHRJ-UHFFFAOYSA-N tioxidazole Chemical compound CCCOC1=CC=C2N=C(NC(=O)OC)SC2=C1 HLLICFJUWSZHRJ-UHFFFAOYSA-N 0.000 claims description 8
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- 239000010410 layer Substances 0.000 description 169
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- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 3
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
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- 229910052744 lithium Inorganic materials 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 2
- 229920002492 poly(sulfone) Polymers 0.000 description 2
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- KGWYICAEPBCRBL-UHFFFAOYSA-N 1h-indene-1-carboxylic acid Chemical compound C1=CC=C2C(C(=O)O)C=CC2=C1 KGWYICAEPBCRBL-UHFFFAOYSA-N 0.000 description 1
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- 229910004205 SiNX Inorganic materials 0.000 description 1
- 229910004286 SiNxOy Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910007541 Zn O Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
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Images
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10K59/124—Insulating layers formed between TFT elements and OLED elements
-
- 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
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/856—Arrangements for extracting light from the devices comprising reflective means
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
-
- 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
-
- 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
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/842—Containers
- H10K50/8428—Vertical spacers, e.g. arranged between the sealing arrangement and the OLED
-
- 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
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10K59/122—Pixel-defining structures or layers, e.g. banks
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10K59/126—Shielding, e.g. light-blocking means over the TFTs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10K59/30—Devices specially adapted for multicolour light emission
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
-
- 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
Description
音を意味する。
TFT:薄膜トランジスタ Cst:ストレージキャパシタ
114:ソース電極 115:ドレイン電極
117:平坦化膜 118:第1電極
120:バンク 121:スペーサ
122:紫外線遮断層 130:有機発光層
128:紫外線遮断補助層
Claims (20)
- 基板上の薄膜トランジスタと、
前記薄膜トランジスタを覆う平坦化膜と、
前記薄膜トランジスタの露出部と接続した電極と、
発光部を定義するために前記電極の一部を露出するバンクと、
前記バンク上のスペーサと、
前記発光部に対応する前記電極の上面を除く前記バンク及びスペーサの表面の紫外線範囲における光を少なくとも反射する紫外線遮断層と、
前記発光部における前記電極の前記上面、及び前記発光部周辺の前記紫外線遮断層上における前記電極の前記上面、の両方の上に設けられた有機発光層と、
を備える有機発光表示装置。 - 前記紫外線遮断層は、前記700Å〜2000Åの厚さである、請求項1に記載の有機発光表示装置。
- 基板上の少なくとも一つの薄膜トランジスタと、
前記少なくとも一つの薄膜トランジスタと接続した電極と、
発光部を定義で前記電極の一部を露出するバンクと、
前記紫外線範囲の光を少なくとも反射するように、前記バンクの上面及び側面に備えられた絶縁膜と、
前記発光部及び該発光部周辺の絶縁膜の少なくとも側面における前記電極の両方の上に備えられた有機発光層と、
を備える有機発光表示装置。 - 前記有機発光層は、前記バンクの前記上面の上に形成されていない、請求項3に記載の有機発光表示装置。
- 前記少なくとも一つの薄膜トランジスタを覆う平坦化膜と前記バンクの前記上面の一部上にスペーサをさらに含み、
前記絶縁膜は、前記スペーサの上にさらに含まれる、請求項3に記載の有機発光表示装置。 - 前記紫外線範囲は、10nm〜400nmの波長光である、請求項3に記載の有機発光表示装置。
- 前記絶縁膜は、無機膜を含む、請求項3に記載の有機発光表示装置。
- 前記無機膜は、ZnOx、TiOx、SixNy及びTaxOyの少なくともいずれか一つを含む、請求項7に記載の有機発光表示装置。
- 前記絶縁膜は、無機膜と有機膜の交互積層を一対以上含む、請求項3に記載の有機発光表示装置。
- 前記無機膜は、ZnOx、TiOx、SixNy及びTaxOyの少なくともいずれか一つであり、
前記有機膜は、PTFE(Polyetrafluoroethylene)、PVDF(Polyvinylidene fluoride)、PET(Polyethylene terephthalate)、COP(Cyclo Olefin Polymer)及びPC(Polycarbornate)のいずれか一つである、請求項9に記載の有機発光表示装置。 - 前記絶縁膜は、前記スペーサの上部面で開口している、請求項5に記載の有機発光表示装置。
- 前記紫外線遮断層は、前記スペーサの上部面及び該上部面面に続く側部の一部まで開口している、請求項11に記載の有機発光表示装置。
- 前記平坦化膜と前記バンクとの間に、前記紫外線範囲の光を反射および/または吸収するように、補助絶縁膜をさらに備える、請求項5に記載の有機発光表示装置。
- 前記補助紫外線遮断層は、前記電極が設けられていない領域に設けられる、請求項1に記載の有機発光表示装置。
- 前記バンクとスペーサは、同じ物質である、請求項5に記載の有機発光表示装置。
- 前記バンクとスペーサは、ポリイミド(polyimide)またはポリアミド(polyamide)からなる、請求項15に記載の有機発光表示装置。
- 前記平坦化膜は、フォトアクティブ化合物(photoactive compound)を含む有機膜である、請求項5に記載の有機発光表示装置。
- 前記絶縁膜は、複数の第1紫外線遮断膜と、前記複数の第1紫外線遮断膜上に備えられた少なくとも一つの第2紫外線遮断膜を含んでいる、請求項5に記載の有機発光表示装置。
- 前記複数の第1紫外線遮断膜は無機膜であり、
前記少なくとも一つの第2紫外線遮断膜は有機膜である、請求項18に記載の有機発光表示装置。 - 前記絶縁膜の最外フィルムはフレキシブルである、請求項18または請求項19に記載の有機発光表示装置。
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US (1) | US11594695B2 (ja) |
JP (2) | JP6907297B2 (ja) |
KR (1) | KR20200082753A (ja) |
CN (1) | CN111384105B (ja) |
DE (1) | DE102019135818A1 (ja) |
TW (1) | TWI721667B (ja) |
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CN112838113B (zh) * | 2021-01-22 | 2023-05-09 | 武汉华星光电半导体显示技术有限公司 | 显示装置 |
CN115241166A (zh) * | 2021-04-22 | 2022-10-25 | 群创光电股份有限公司 | 电子装置 |
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KR20200082753A (ko) | 2020-07-08 |
JP2021168297A (ja) | 2021-10-21 |
TWI721667B (zh) | 2021-03-11 |
US11594695B2 (en) | 2023-02-28 |
CN111384105B (zh) | 2023-08-11 |
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