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Organic light-emitting diode and preparation method thereof

A light-emitting diode and organic technology, which is applied in semiconductor/solid-state device manufacturing, electrical components, electric solid-state devices, etc., can solve problems affecting performance and life, rising working temperature, and lowering of OLED light output efficiency, so as to improve yield rate, The effect of reducing the operating temperature rise of the device and widening the pattern reproduction range

Active Publication Date: 2015-09-16
LEEDARSON IOT TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This consumption accounts for a relatively high proportion of OLED light loss, which can reach 51%, so that the light output efficiency of OLED is reduced, the working temperature is increased, and the performance and life are affected.

Method used

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  • Organic light-emitting diode and preparation method thereof
  • Organic light-emitting diode and preparation method thereof
  • Organic light-emitting diode and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] An organic light-emitting diode composed of a cathode, an organic electroluminescence unit and an anode, and a plasma nano-waveguide filter reflector is prepared on the cathode to increase the light extraction rate of the organic light-emitting diode.

Embodiment 2

[0055] An organic light-emitting diode composed of a cathode, an electron transport layer, a light-emitting layer, a hole transport layer and an anode in turn. The cathode is prepared with a MIM plasma waveguide filter reflector that can generate a band gap in the visible light wavelength range. Organic light-emitting diodes have a high visible light extraction rate.

Embodiment 3

[0057] An organic light-emitting diode consisting of a cathode, an electron injection layer, an electron transport layer, a light-emitting layer, a hole transport layer, a hole injection layer and an anode in turn, is prepared on the cathode to generate a number of wavelengths (the light emitted by the anode is relatively missing 1) The selective band gap MIM plasma waveguide filter reflector of the combination of frequency bands, the organic light emitting diode has a uniform visible spectrum.

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Abstract

The invention discloses an organic light-emitting diode and a preparation method thereof. The organic light-emitting diode comprises an anode, a cathode and an organic electroluminescence unit clamped between the anode and the cathode; and the cathode is made of a metal material, the cathode is provided with a metal-insulator-metal plasma nano waveguide filter reflector, and light, emitted to the cathode, of the organic electroluminescence unit reversely irradiates to the anode direction. The preparation method of the organic light-emitting diode is used to manufacture the organic light-emitting diode, and to prepare the metal-insulator-metal plasma nano waveguide filter reflector on the cathode of the organic light-emitting diode through adoption of a nano imprint method. The light irradiated to the cathode is reflected to the anode direction through the metal-insulator-metal plasma nano waveguide filter reflector, light-extraction efficiency of the organic light-emitting diode is improved, a work temperature rise is reduced at the same time, and a working current is improved.

Description

Technical field [0001] The invention relates to the field of light-emitting diodes, in particular to an organic light-emitting diode and a preparation method thereof. Background technique [0002] Organic light-emitting diodes, the English abbreviation OLED, have many advantages such as all-solid-state, active light-emitting, high contrast, fast response, wide viewing angle, vivid colors, high definition, ultra-thin, easy to flexible display, etc., and are emerging displays in the information field. Technology, after LCD, is considered to be the fastest growing new flat panel display technology in the next 20 years, and has been applied to small and medium-sized color displays such as mobile phones, personal data processors, and automobile dashboards. [0003] In OLED devices, the generated light is usually lost by more than 70% due to the process in the device structure. In order to improve the light output efficiency of OLEDs, many improvements have been made. For example, Chines...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/52H01L51/56
CPCH10K50/856H10K71/00
Inventor 李江淮马德林
Owner LEEDARSON IOT TECH INC
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