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US 10,381,425 B2Granted
Organic light emitting display device
AssigneeLG Display Co., Ltd.
InventorsJi Yeon Kang, Il Chan Jung
Life of this patent
Estimating the term…
Abstract
Provided is an organic light emitting display device having a protective substrate configured to minimize permeation of moisture or static electricity into the device. The protective substrate is disposed on the bottom surface of a substrate so as to support and protect a substrate having an organic light emitting diode from moisture.
Claims19
An organic light emitting display device comprising:
- a substrate having a thickness of 5 μm to 50 μm;
- a buffer layer on the substrate;
- a driving element on the buffer layer;
- a planarization layer on the driving element;
- an organic light emitting diode on the planarization layer;
- and
- a protective substrate supporting the substrate, the protective substrate including a protective film, a base film on and in contact with the protective film, a blocking layer on and in contact with the base film, and an adhesive layer on and in contact with the blocking layer and configured to adhere the protective substrate to a bottom surface of the substrate,
- wherein the blocking layer is configured to protect the substrate from moisture permeating through the bottom surface of the substrate, and
- wherein the buffer layer is contacted with an upper surface of the substrate.
6 more elements
An organic light emitting display device, the device comprising:
- a plastic substrate comprising a substrate, a buffer layer on the substrate and at least one driving element on the buffer layer;
- an organic light emitting diode on the plastic substrate and the organic light emitting diode connected with the driving element;
- and
- a protective substrate contacting a bottom surface of the plastic substrate and supporting the plastic substrate, the protective substrate including a protective layer, a base layer on and in contact with the protective layer, a blocking layer on and in contact with the base layer, and an adhesive layer on and in contact with the blocking layer and configured to adhere the protective substrate to a bottom surface of the substrate;
- wherein the blocking layer is made of a conductive material and the blocking layer protects the plastic substrate from moisture permeating through the bottom surface of the plastic substrate,
- wherein the buffer layer is contacted with an upper surface of the substrate.
3 more elements
An organic light emitting display device comprising:
- a substrate comprising at least one driving element;
- an organic light emitting diode disposed on the substrate and connected to the driving element;
- and
- a protective substrate including a protective film, a plurality of adhesive layers and a plurality of base films, the protective substrate contacting a bottom surface of the substrate and supporting the substrate, and
- wherein the plurality of adhesive layers are disposed between the substrate and the protective film of the protective substrate, the plurality of adhesive layers adhere together the substrate and the protective substrate, and each of the plurality of adhesive layers comprises particles made of moisture adsorbing material,
- wherein at least one of the plurality of adhesive layers is between and in contact with the plurality of base films.
3 more elements
Dependencies are inferred from the claim text.