Distributed bragg reflector, organic light emitting element, and multicolour light emitting device
First Claim
1. A distributed Bragg reflector comprising a stack of alternate layers of a first material and a second material, wherein the first and second materials are both organic materials and the difference in HOMO energy levels of the first and second materials is less than 0.6 eV.
3 Assignments
0 Petitions
Accused Products
Abstract
A distributed Bragg reflector comprising a stack of alternate layers of a first material and a second material wherein the first and second materials are both organic materials. An organic electroluminescent light emitting element comprising: a transparent substrate, a transparent electrode formed on the substrate, a distributed Bragg reflector formed on the transparent electrode, an organic electroluminescent light emitting material formed on the distributed Bragg reflector, and an electrode formed on the light emitting material.
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Citations
25 Claims
- 1. A distributed Bragg reflector comprising a stack of alternate layers of a first material and a second material, wherein the first and second materials are both organic materials and the difference in HOMO energy levels of the first and second materials is less than 0.6 eV.
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19. An organic electroluminescent light emitting element comprising:
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a transparent substrate;
a transparent electrode formed on the substrate;
a distributed Bragg reflector formed on the transparent electrode;
an organic electroluminescent light emitting material formed on the distributed Bragg reflector; and
an electrode formed on the light emitting material, the distributed Bragg reflector comprising a stack of alternate layers of a first material and a second material, wherein the first and second material are both organic materials. - View Dependent Claims (20, 21, 22, 23)
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24. A method of manufacturing an organic electro-luminescent light emitting element, comprising the steps of:
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providing a transparent substrate;
forming a transparent electrode formed on the substrate;
forming a distributed Bragg reflector on the transparent electrode by forming a stack of alternate layers of a first organic material and a second organic material using inkjet technology;
forming an organic electroluminescent light emitting material on the distributed Bragg reflector; and
forming an electrode on the light emitting material. - View Dependent Claims (25)
forming a plurality of light emitting elements using the method of claim 24; and
forming therein the first and second materials in different thickness layers to provide different mode wavelength areas on the substrate.
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Specification