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US 10,374,190 B2Granted
Sealing film, organic electroluminescent display, and organic semiconductor device
AssigneeZeon Corporation
InventorsSatoshi Tazaki, Hiroyasu Inoue, Atsushi Ishiguro, Yohei Koide
Life of this patent
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Abstract
A sealing film including a substrate film, a sealing layer, and an adhesive layer in this order, wherein the sealing film has a tensile elastic modulus of equal to or higher than 1,000 MPa, and retardation of a layer portion provided at the sealing layer side relative to the substrate film in the sealing film after sealing is equal to or smaller than 20 nm.
Claims16
A sealing film comprising a substrate film, a sealing layer, and an adhesive layer in this order, wherein
- the sealing film has a tensile elastic modulus of equal to or higher than 1,000 MPa,
- retardation of a layer portion provided at the sealing layer side relative to the substrate film in the sealing film after sealing is equal to or smaller than 20 nm,
- the substrate film is a resin film, and the resin forming the substrate film is a thermoplastic resin, and
- the sealing layer is made of an inorganic material.
1 more element
Dependencies are inferred from the claim text.