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Transparent electrode and organic electroluminescent device including same

A transparent electrode, content technology, applied in the direction of electric solid devices, electrical components, semiconductor devices, etc., can solve problems such as commercialization obstacles, and achieve the effect of improving light efficiency and improving life.

Inactive Publication Date: 2019-09-24
JIANGSU SUNERA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, ITO has serious problems with resistance
In particular, the above-mentioned large resistance can be a huge obstacle in terms of commercialization

Method used

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  • Transparent electrode and organic electroluminescent device including same
  • Transparent electrode and organic electroluminescent device including same
  • Transparent electrode and organic electroluminescent device including same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0096] 1.0mg median diameter D 50 600nm TiO 2 The particles were dissolved in 10 mL of 1-methoxy-2-propanol, whereby a white paste dispersion was obtained. And the dispersion liquid was doped in 5mL 0.4mg / ml sodium alginate aqueous solution, and then it was coated on the cleaned glass substrate by spin coating method, and dried at room temperature to form a film with a thickness of 15 μm. where multiple coatings are performed so that the TiO 2 The particles are on top of the sodium alginate.

[0097] 1mL of 1mg / ml silver nanowires (60-120nm in diameter, 10-20μm in length, purchased from Nanjing Xianfeng Nano Material Technology Co., Ltd.) in ethanol was coated on sodium alginate by spin coating, Dried to a film with a thickness of 200nm at room temperature;

[0098] Paste the clean and smooth cover glass on the prepared silver nanowire film, exhaust the air between the cover glass and the silver nanowire, and apply a pressure of 12MPa on the cover glass to compress;

[00...

Embodiment 2-6

[0102] A transparent electrode was prepared in the same manner as in Example 1, except that 1 mL of the dispersion of silver nanowires in ethanol was coated on sodium alginate at the concentrations shown in Examples 2-6 in Table 3.

Embodiment 7

[0104] A transparent electrode was prepared in the same manner as in Example 5, except that 1.0 mg TiO 2 The particles were doped in 5 mg of aliphatic epoxy resin UVR-6128 (epoxy equivalent of 190-210 g / mol, purchased from Xinjing Chemical Co., Ltd.) instead of sodium alginate.

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Abstract

The invention relates to a transparent electrode, which comprises a substrate material and metal nanowires contained in the substrate material, wherein the substrate material is doped with scattering particles. The invention further relates to an organic electroluminescent device, which is sequentially provided with a substrate, a first electrode, an organic light-emitting functional layer and a second electrode from bottom to top, wherein the first electrode adjacent to the substrate is a transparent electrode, the transparent electrode includes a substrate material and metal nanowires contained in the substrate material, and the substrate material is doped with scattering particles.

Description

technical field [0001] The invention relates to the technical field of optoelectronic devices, in particular to a transparent electrode and an organic electroluminescence device comprising the same. Background technique [0002] An organic electroluminescence device includes a cathode, an anode, and a multilayer organic material layer disposed between the cathode and the anode, which includes a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, an electron injection layer, and the like. Wherein, the light generated by the organic material layer is emitted through the transparent electrode. Organic electroluminescence devices can generally be classified into top emission type, bottom emission type and double-side emission type. In a top-emitting or bottom-emitting device, one of the two electrodes needs to be a transparent electrode; in a double-sided emitting device, both electrodes need to be transparent electrodes. [0003]...

Claims

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Application Information

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IPC IPC(8): H01L51/52H01L51/56H01L51/50B82Y30/00
CPCB82Y30/00H10K50/00H10K50/805H10K71/00
Inventor 李崇赵鑫栋张兆超
Owner JIANGSU SUNERA TECH CO LTD
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