Light-emitting element and display device using same
First Claim
1. A display device comprising:
- a plurality of light-emitting elements aligned on a TFT substrate in a formation of a matrix, the plurality of light-emitting elements each having a flat surface portion and including an anode, a light-emitting layer arranged on the anode, and a cathode arranged on the light-emitting layer;
an insulation layer formed on the TFT substrate and under the light emitting element; and
a tilted metal is provided on a peripheral area surrounding the flat surface portion of the light-emitting element and has a tilt angle against the flat surface portion of the light-emitting element;
wherein the tilted metal is provided on a surface of a slope of a bank that is provided on the insulation layer,wherein a width of a cross section of the bank becomes smaller as the cross section comes farther away from a surface of the TFT substrate,wherein a counter substrate is placed on the plurality of light-emitting elements, the tilted metal, and the TFT substrate,wherein the light emitting element emits light in a direction from the TFT substrate to the counter substrate, andwherein gap exist between the light emitting element and the counter substrate.
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Accused Products
Abstract
A display device includes a plurality of light-emitting elements aligned on a TFT substrate in a formation of a matrix. The plurality of light-emitting elements each have a flat surface portion and including a light-emitting layer, an anode, and a cathode, an insulating layer formed on the TFT substrate and under the light emitting element, and a tilted metal surface provided on a peripheral area surrounding the flat surface portion of the light-emitting element and having a tilt angle with respect to the flat surface portion of the light-emitting element. The tilted metal surface is provided on a surface of a slope of a bank that is provided on the insulation layer, and a width of a cross-section of the bank becomes smaller as the cross section comes farther away from a surface of the TFT substrate. A counter substrate is placed on the TFT substrate.
30 Citations
20 Claims
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1. A display device comprising:
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a plurality of light-emitting elements aligned on a TFT substrate in a formation of a matrix, the plurality of light-emitting elements each having a flat surface portion and including an anode, a light-emitting layer arranged on the anode, and a cathode arranged on the light-emitting layer; an insulation layer formed on the TFT substrate and under the light emitting element; and a tilted metal is provided on a peripheral area surrounding the flat surface portion of the light-emitting element and has a tilt angle against the flat surface portion of the light-emitting element; wherein the tilted metal is provided on a surface of a slope of a bank that is provided on the insulation layer, wherein a width of a cross section of the bank becomes smaller as the cross section comes farther away from a surface of the TFT substrate, wherein a counter substrate is placed on the plurality of light-emitting elements, the tilted metal, and the TFT substrate, wherein the light emitting element emits light in a direction from the TFT substrate to the counter substrate, and wherein gap exist between the light emitting element and the counter substrate. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A display device comprising
a plurality of light-emitting elements aligned on a TFT substrate in a formation of a matrix, at least one of the plurality of light-emitting elements having a flat surface portion and including an anode, a light-emitting layer arranged on the anode, and a cathode arranged on the light-emitting layer; -
an insulation layer formed on the TFT substrate and under the light emitting element; a first metal is provided on a surface of a slope of a first bank that is provided on the insulation layer; and a second metal is provided on a surface of a slope of a second bank that is provided on the insulation layer, wherein the flat surface portion of the light-emitting element is arranged between the first metal and the second metal, wherein a width of a cross section of each of the first and the second banks becomes smaller as the cross section comes farther away from a surface of the TFT substrate, wherein a counter substrate is placed on the plurality of light-emitting elements, the first metal, the second metal, and the TFT substrate, wherein the light emitting element emits light in a direction from the TFT substrate to the counter substrate, and wherein gap exist between the light emitting element and the counter substrate. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A display device comprising:
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a plurality of light-emitting elements aligned on a TFT substrate in a formation of a matrix, at least one of the plurality of light-emitting elements having a flat surface portion and including an anode, a light-emitting layer arranged on the anode, and a cathode arranged on the light-emitting layer; an insulation layer formed on the TFT substrate and under the light emitting element; and a metal is provided on a surface of an insulation bank that is provided on the insulation layer, wherein each of the insulation bank and the metal surrounds the flat surface portion of the light-emitting element in plan view, wherein a width of a cross section of the insulation bank becomes smaller as the cross section comes farther away from a surface of the TFT substrate, wherein a counter substrate is placed on the plurality of light-emitting elements, the metal, and the TFT substrate, wherein the light emitting element emits light in a direction from the TFT substrate to the counter substrate, and wherein gap exist between the light emitting element and the counter substrate. - View Dependent Claims (17, 18, 19, 20)
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Specification