Organic electro-luminescence diode
An organic electro-luminescence diode comprises two electrodes and an organic electro-luminescence structure. The organic electro-luminescence structure is formed between the two electrodes, and includes a red light-generating unit, a green light-generating unit, a blue light-generating unit and a light-compensating unit stacked with each other. The light-compensating unit is selected from the group consisting of a white light-compensating unit, a red light-compensating unit, a green light-compensating unit, a blue light-compensating unit and a structure stacking together one light-compensating unit upon the other.
1. An organic electro-luminescence diode comprising:
a substrate;
a transparent layer disposed on the substrate;
two electrodes disposed on the transparent layer; and
an organic electro-luminescence structure disposed between said two electrodes, consisting:
a red light-generating unit;
a green light-generating unit;
a blue light-generating unit, wherein said three light-generating units are stacked with each other;
a light-compensating unit stacked with said light-generating units, wherein the light-compensating unit only emits one color, and the one color comprises a primary color; and
several charge generating layers, wherein between each two of the light-generating units and the light-compensating unit is disposed with one said charge generating layer.
2. The organic electro-luminescence diode of claim 1 , wherein said light-compensating unit emits red color.
3. The organic electro-luminescence diode of claim 1 , wherein said light-compensating unit emits green color.
4. The organic electro-luminescence diode of claim 1 , wherein said light-compensating unit emits blue color.
5. The organic electro-luminescence diode of claim 1 , wherein the light intensity ratio of red light:green light:blue light is about from 1:1:1 to 1:2:1.
6. The organic electro-luminescence diode of claim 1 , wherein said red light-generating unit and said light-compensating unit have the same materials.
7. The organic electro-luminescence diode of claim 1 , wherein said green light-generating unit and said light-compensating unit have the same materials.
8. The organic electro-luminescence diode of claim 1 , wherein said blue light-generating unit and said light-compensating unit have the same materials.
9. The organic electro-luminescence diode of claim 1 , further including a white light-generating unit stacked with said organic electro-luminescence structure between said two electrodes.
10. A method for manufacturing an organic electro-luminescence diode, comprising:
providing a substrate;
forming a transparent layer on the substrate;
forming a first electrode on the transparent layer;
forming an organic electro-luminescence structure, wherein the organic electro-luminescence structure consists of a red light-generating unit, a green light-generating unit, a blue light-generating unit, a light-compensating unit and several charge generating layers, wherein the light-compensating unit only emits one color and the one color comprises a primary color, and the three light-generating units and the light-compensating unit are stacked serially, and between each two of the light-generating units and the light-compensating unit is disposed with one the charge generating layer; and
forming a second electrode on said organic electro-luminescence structure.
11. The method of claim 10 , wherein the light-compensating unit emits red color.
12. The method of claim 10 , wherein the light-compensating unit emits green color.
13. The method of claim 10 , wherein the light-compensating unit emits blue color.
14. An organic electro-luminescence diode comprising:
a substrate;
a transparent layer disposed on the substrate;
two electrodes disposed on the transparent layer;
and an organic electro-luminescence structure disposed between said two electrodes, comprising:
a red light-generating unit;
a green light-generating unit;
a blue light-generating unit, wherein said three light-generating units are stacked with each other;
a plurality of charge generating layers disposed between said two electrodes; and
a red light-compensating unit, wherein one of the charge generating layers is disposed between and contacts the red light-compensating unit and the red light-generating unit.
15. The organic electro-luminescence diode of claim 14 , wherein said red light-generating unit and said red light-compensating unit have the same materials.
16. The organic electro-luminescence diode of claim 14 , further including a white light-generating unit stacked with said organic electro-luminescence structure between said two electrodes.