ELECTROLUMINESCENT DEVICE HAVING IMPROVED LIGHT OUTPUT
First Claim
1. An OLED device comprising(a) a transparent substrate having a first surface and a second surface;
- (b) a transparent electrode layer disposed over the first surface of the substrate;
(c) a short reduction layer disposed over the transparent electrode layer;
(d) an organic light-emitting element disposed over the short reduction layer and including at least one light-emitting layer and a charge injection layer disposed over the light emitting layer;
(e) a reflective electrode layer disposed over the charge injection layer; and
(f) a light extraction enhancement structure disposed over the first or second surface of the substrate;
wherein the short reduction layer is a transparent film having a through-thickness resistivity of 10−
9 to 102 ohm-cm2;
wherein the reflective electrode layer includes Ag or Ag alloy containing more than 80% of Ag; and
the total device size is larger than 10 times the substrate thickness.
3 Assignments
0 Petitions
Accused Products
Abstract
An OLED device including a transparent substrate having a first surface and a second surface, a transparent electrode layer disposed over the first surface of the substrate, a short reduction layer disposed over the transparent electrode layer, an organic light-emitting element disposed over the short reduction layer and including at least one light-emitting layer and a charge injection layer disposed over the light emitting layer, a reflective electrode layer disposed over the charge injection layer and a light extraction enhancement structure disposed over the first or second surface of the substrate; wherein the short reduction layer is a transparent film having a through-thickness resistivity of 10−9 to 102 ohm-cm2; wherein the reflective electrode layer includes Ag or Ag alloy containing more than 80% of Ag; and the total device size is larger than 10 times the substrate thickness.
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Citations
15 Claims
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1. An OLED device comprising
(a) a transparent substrate having a first surface and a second surface; -
(b) a transparent electrode layer disposed over the first surface of the substrate; (c) a short reduction layer disposed over the transparent electrode layer; (d) an organic light-emitting element disposed over the short reduction layer and including at least one light-emitting layer and a charge injection layer disposed over the light emitting layer; (e) a reflective electrode layer disposed over the charge injection layer; and (f) a light extraction enhancement structure disposed over the first or second surface of the substrate; wherein the short reduction layer is a transparent film having a through-thickness resistivity of 10−
9 to 102 ohm-cm2;
wherein the reflective electrode layer includes Ag or Ag alloy containing more than 80% of Ag; and
the total device size is larger than 10 times the substrate thickness. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification