THIN FILM ENCAPSULATION CONTAINING ZINC OXIDE
First Claim
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1. An OLED device, comprising:
- (a) a first electrode;
(b) a second electrode;
(c) one or more organic layers formed between the first electrode and the second electrode, at least one organic layer being a light-emitting layer; and
(d) a thin film encapsulation layer comprising either (i) at least one first layer of zinc oxide and at least one second layer of a second inorganic compound, or (ii) a layer that is a mixture of zinc oxide and a second inorganic compound.
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Abstract
The invention is directed towards an OLED device, comprising a first electrode, a second electrode, one or more organic layers formed between the first electrode and second electrode, at least one organic layer being a light-emitting layer; and a thin film encapsulation layer comprising either (a) at least one first layer of zinc oxide and at least one second layer of a second inorganic compound, or (b) a layer that is a mixture of zinc oxide and a second inorganic compound. The invention is also directed to a method of forming such an OLED device.
40 Citations
19 Claims
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1. An OLED device, comprising:
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(a) a first electrode; (b) a second electrode; (c) one or more organic layers formed between the first electrode and the second electrode, at least one organic layer being a light-emitting layer; and (d) a thin film encapsulation layer comprising either (i) at least one first layer of zinc oxide and at least one second layer of a second inorganic compound, or (ii) a layer that is a mixture of zinc oxide and a second inorganic compound. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of forming an OLED device, comprising:
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(a) providing a substrate with a first electrode and one or more organic layers formed thereon, at least one organic layer being a light-emitting layer; (b) forming a second electrode comprising a transparent conductive oxide layer over the one or more organic layers opposite the first electrode; and (c) forming a thin film encapsulating package comprising either (a) at least one first encapsulation layer of zinc oxide and at least one second encapsulation layer of a second inorganic compound, or (b) an encapsulation layer that is a mixture of zinc oxide and a second inorganic compound. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification