High-efficiency organic light-emitting diode and fabrication method thereof

A light-emitting diode, high-efficiency technology, used in semiconductor/solid-state device manufacturing, electrical components, electrical solid-state devices, etc., can solve problems such as reducing the optical coupling output efficiency of the device, and achieve higher efficiency, improved spectral purity, and improved device spectrum. Effect
CN102983285AInactive Publication Date: 2013-03-20NANJING UNIV OF POSTS & TELECOMM
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANJING UNIV OF POSTS & TELECOMM
Publication Date
2013-03-20
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a high-efficiency organic light-emitting diode and a fabrication method of the light-emitting diode. The high-efficiency organic light-emitting diode is fabricated by a microcavity effect and a surface plasma emission method. More particularly, a DBR (Distributed Bragg Reflector) coupling layer is used for generating a microcavity effect, and the method of plasma emission on the surface of a metal electrode is used for achieving the high-efficiency organic light-emitting diode. The high-efficiency organic light-emitting diode is fabricated by the DBR coupling layer and the method of the plasma emission on the surface of the metal electrode, and comprises a substrate, a composite anode, a hole injection layer, a hole transport layer, a luminous layer, an electron transport layer, an electron injection layer and a cathode, or comprises a substrate, a composite cathode, an electron injection layer, an electron transport layer, a luminous layer, a hole transport layer, a hole injection layer and an anode sequentially from the bottom up.
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Description

technical field

[0001] The invention relates to a method for preparing high-efficiency organic light-emitting diodes by utilizing the microcavity effect and surface plasma emission. More specifically, the present invention relates to a method for realizing a high-efficiency organic light-emitting diode by using a DBR coupling layer to generate a microcavity effect while utilizing plasma emission on the surface of a metal electrode. Background technique

[0002] Organic light-emitting diode, English abbreviation OLED, has many advantages such as full solid state, active light emission, high contrast, fast response, wide viewing angle, vivid color, high definition, ultra-thin, easy to flexible display, etc. It is an emerging display in the information field. Technology, following 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 ...

Claims

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