Organic electro-luminescent device with first and second composite layers
DCFirst Claim
1. An organic electro-luminescent device, comprising:
- a plastic substrate having a first surface and a second surface;
a first composite layer located on the first surface;
a second composite layer located on the second surface;
a transparent conductive electrode located on the first composite layer which is located between the plastic substrate and the transparent conductive electrode;
an organic emitting layer formed on the transparent conductive electrode which is located between the first composite layer and the organic emitting layer;
a metal electrode formed on the organic emitting layer, wherein the organic emitting layer is between the transparent conductive electrode and the metal electrode; and
a protecting layer formed on the metal electrode to enclose the metal electrode and the organic emitting layer.
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Abstract
A flexible organic electro-luminescent device is provided, in which a titanium dioxide-silicon dioxide composite layer is formed on the upper and lower surfaces of a transparent plastic substrate. A transparent conductive electrode and an organic luminescent layer are formed in sequence on one of surfaces of the composite layer. The organic luminescent layer is either small molecule luminescent material or polymer luminescent material. Then, a metal electrode is formed on the organic luminescent layer, and a silicon dioxide protecting layer is formed on the metal electrode to enclose the metal electrode and the organic luminescent layer completely. The titanium dioxide-silicon dioxide composite layer and silicon dioxide protecting layer are formed by ion-assisted electron gun evaporation in the temperature lower than 100° C., which does not result in the thermal loading to the small molecule and polymer organic electro-luminescent device.
44 Citations
18 Claims
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1. An organic electro-luminescent device, comprising:
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a plastic substrate having a first surface and a second surface;
a first composite layer located on the first surface;
a second composite layer located on the second surface;
a transparent conductive electrode located on the first composite layer which is located between the plastic substrate and the transparent conductive electrode;
an organic emitting layer formed on the transparent conductive electrode which is located between the first composite layer and the organic emitting layer;
a metal electrode formed on the organic emitting layer, wherein the organic emitting layer is between the transparent conductive electrode and the metal electrode; and
a protecting layer formed on the metal electrode to enclose the metal electrode and the organic emitting layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. An organic electro-luminescent device, comprising:
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a plastic substrate having a first surface and a second surface;
a first luminescent efficiency enhanced layer located on the first surface;
a second luminescent efficiency enhanced layer located on the second surface;
a transparent conductive electrode located on the first composite layer which is located between the plastic substrate and the transparent conductive electrode;
an organic emitting layer disposed on the transparent conductive electrode which is located between the first composite layer and the organic emitting layer;
a metal electrode disposed on the organic emitting layer, wherein the organic emitting layer is between the transparent conductive electrode and the metal electrode; and
an ion-assisted electron gun evaporated silicon dioxide protecting layer disposed on the metal electrode to enclose the metal electrode and the organic emitting layer. - View Dependent Claims (15, 16, 17, 18)
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Specification