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US 7,116,044 B2Granted
Luminescent apparatus and method of manufacturing the same
AssigneeSemiconductor Energy Laboratory Co., Ltd.
InventorTakeshi Fukunaga
Life of this patent
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Abstract
The present invention provides a luminescent apparatus having a bright, high-quality image. A reflecting surface-including electrode, and an EL element formed of an organic EL layer and a transparent electrode are provided on an insulator. As shown in FIG. 1, an auxiliary electrode 107 formed of a transparent conductive film is connected to the transparent electrode via a conductor. This structure enables a resistance value of the transparent electrode 104 to be substantially lowered, and a uniform, voltage to be applied to the organic EL layer.
Claims63
A luminescent apparatus comprising:
- an electro luminescence element comprising an electrode having a reflective surface, a transparent electrode and an organic electro luminescence layer interposed therebetween;
- and
- an auxiliary electrode electrically connected to the transparent electrode via an anisotropic conductor,
- wherein the transparent electrode is formed by laminating a transparent metallic film and a transparent conductive film.
1 more element
A luminescent apparatus comprising:
- a substrate;
- an electrode having a reflective surface over the substrate;
- an organic electro luminescence layer over the electrode having a reflective surface;
- a transparent electrode over the organic electro luminescence layer;
- a plurality of conductors distributed over the transparent electrode;
- and
- an auxiliary electrode over the plurality of conductors,
- wherein the auxiliary electrode is electrically connected to the transparent electrode via the plurality of conductors;
- and
- wherein the transparent electrode is formed by laminating a transparent metallic film and a transparent conductive film.
7 more elements
A luminescent apparatus comprising:
- a substrate;
- an electrode having a reflective surface over the substrate;
- an organic electro luminescence layer over the electrode having a reflective surface;
- a transparent electrode over the organic electro luminescence layer;
- an anisotropic conductor over the transparent electrode;
- and
- an auxiliary electrode formed over the anisotropic conductor,
- wherein the auxiliary electrode is electrically connected to the transparent electrode via the anisotropic conductor;
- and
- wherein the transparent electrode is formed by laminating a transparent metallic film and a first transparent conductive film.
7 more elements
A luminescent apparatus comprising:
- a substrate;
- a switching TFT over the substrate;
- a current control TFT electrically connected to the switching TFT;
- a electrode having a reflective surface over the current control TFT;
- an organic electro luminescence layer over the electrode having a reflective surface;
- a transparent electrode over the organic electro luminescence layer;
- an anisotropic conductor over the transparent electrode;
- and
- an auxiliary electrode over the anisotropic conductor,
- wherein the auxiliary electrode is electrically connected to the transparent electrode via the anisotropic conductor;
- and
- wherein the transparent electrode is formed by laminating a transparent metallic film and a transparent conductive film.
9 more elements
A luminescent apparatus comprising:
- a plurality of pixels, each of the plurality of pixels comprising:
- at least one thin film transistor over a substrate;
- an electrode having a reflective surface over the substrate and electrically connected to the at least one thin film transistor;
- and
- an organic electro luminescence layer over the electrode having a reflective surface,
- a transparent electrode over the plurality of pixels;
- an anisotropic conductor over the transparent electrode;
- and
- an auxiliary electrode over the anisotropic conductor,
- wherein the auxiliary electrode is electrically connected to the transparent electrode via the anisotropic conductor;
- and
- wherein the transparent electrode is formed by laminating a transparent metallic film and a transparent conductive film.
9 more elements
A luminescent apparatus comprising:
- a substrate;
- a first anode and a second anode over the substrate with a gap between the first anode and the second anode;
- a first organic electro luminescence layer over the first anode;
- a second organic electro luminescence layer over the second anode;
- a cathode over the first organic electro luminescence layer and the second organic electro luminescence layer;
- and
- an auxiliary electrode electrically connected to the cathode at a portion of the cathode overlying the gap, the auxiliary electrode being electrically isolated from a portion of the cathode overlying the first anode.
4 more elements
A luminescent apparatus comprising:
- a substrate;
- a first anode and a second anode over the substrate with a gap between the first anode and the second anode;
- an insulating film between the first anode and the second anode;
- a first organic electro luminescence layer over the first anode;
- a second organic electro luminescence layer over the second anode;
- a cathode over the first organic electro luminescence layer, the second organic electro luminescence layer and the insulating film;
- and
- an auxiliary electrode electrically connected to the cathode at a portion of the cathode overlying the gap, the auxiliary electrode being electrically isolated from a portion of the cathode overlying the first anode.
5 more elements
Dependencies are inferred from the claim text.