Light emitting device and method of manufacturing the same
First Claim
1. A light emitting device comprising:
- a pixel portion including a plurality of light emitting elements, and a terminal portion, between a first substrate having an insulating surface and a second substrate having translucency,each of the light emitting elements including;
a first electrode;
a layer containing an organic compound on the first electrode; and
a second electrode on the layer containing the organic compound, anda wiring electrically connected to the terminal portion,wherein the first substrate and the second substrate are bonded to each other through an adhesive in which conductive fine particles having different diameters are mixed,wherein the second electrode and the wiring are electrically connected to each other through the adhesive.
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Accused Products
Abstract
An ink jet method known as a method for selectively forming a layer made of a polymeric organic compound is advantageous in that a layer containing an organic compound can be separately colored for emitting light of three colors (R, G, B) at a time. However, this ink jet method is disadvantageous in its poor film formation accuracy, and therefore, it is difficult to control the formation of the film for obtaining the uniformity. As a result, the obtained film is likely to have unevenness. In the present invention, an layer containing an organic compound is formed on the entire surface of a lower electrode connected to a thin film transistor by application. After forming an upper electrode on the lower electrode, an layer containing an organic compound is etched in a self-aligned manner by plasma etching using the upper electrode as a mask so as to allow the selective formation of an layer containing an organic compound. Furthermore, for connection with the upper electrode, the electrical connection is achieved by using an adhesive containing a conductive particle or a paste. Furthermore, a material emitting white light or a material emitting monochromatic light is used as the layer containing an organic compound. The full-color display is achieved by combining the layer containing an organic compound with a color conversion layer or a colored layer.
72 Citations
55 Claims
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1. A light emitting device comprising:
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a pixel portion including a plurality of light emitting elements, and a terminal portion, between a first substrate having an insulating surface and a second substrate having translucency, each of the light emitting elements including;
a first electrode;
a layer containing an organic compound on the first electrode; and
a second electrode on the layer containing the organic compound, anda wiring electrically connected to the terminal portion, wherein the first substrate and the second substrate are bonded to each other through an adhesive in which conductive fine particles having different diameters are mixed, wherein the second electrode and the wiring are electrically connected to each other through the adhesive. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 40, 41, 42, 43)
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11. A light emitting device comprising:
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a pixel portion including a plurality of light emitting elements, and a terminal portion, between a first substrate having an insulating surface and a second substrate having translucency, each of the light emitting elements including;
a first electrode;
a layer containing an organic compound on the first electrode; and
a second electrode on the layer containing the organic compound, anda wiring electrically connected to the terminal portion, wherein the first substrate and the second substrate are bonded to each other through an adhesive in which a fine particle made of an inorganic material and a conductive fine particle having a larger diameter than that of the fine particle are mixed, wherein the second electrode and the wiring are electrically connected to each other through the adhesive. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 44, 45, 46, 47)
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21. A light emitting device comprising:
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a pixel portion including a plurality of light emitting elements, between a first substrate and a second substrate, each of the light emitting elements including;
a first electrode;
a layer containing an organic compound on the first electrode; and
a second electrode on the layer containing the organic compound;a terminal portion, and a wiring electrically connected to the terminal portion, wherein the first substrate and the second substrate are bonded with a sealer, wherein an end face of the layer containing the organic compound is flush with that of the second electrode; and wherein the second electrode and the wiring are electrically connected through an adhesive containing a conductive fine particle. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 48, 49, 50, 51, 52)
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30. A light emitting device comprising:
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a pixel portion including a plurality of light emitting elements, each of the light emitting elements including;
a first electrode;
a layer containing an organic compound on the first electrode; and
a second electrode on the layer containing the organic compound;a third electrode over the second electrode, a terminal portion, and a wiring electrically connected to the terminal portion, wherein an end face of the layer containing the organic compound is flush with that of the second electrode; and wherein the second electrode and the wiring are connected through the third electrode. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 39, 53, 54, 55)
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Specification