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US 2026/0173650 A1Published application
Composition for organic light emitting device encasulation and organic light emitting display device including the same
AssigneeSolus Advanced Materials Co., Ltd.
InventorsYisung KONG, Seungjoo NOH, Choonghahn KIM
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Abstract
There is disclosed a composition for organic light emitting device encapsulation that has low dielectric constant characteristics of effectively blocking moisture or oxygen flowing into an organic light emitting display device from the outside, thereby ensuring the performance and lifespan of the organic light emitting device, and also improving touch sensitivity of a touch panel, and the organic light emitting display device including the same.
Claims11
A composition for organic light emitting encapsulation comprising:
- a photocurable monomer including all (meth)acrylate monomers represented by the following chemical formulas 1, 2, 3, and 4;
- and
- a photopolymerization initiator,
- wherein a dielectric constant is 2.8 or less at a frequency in a range of 100 khz to 1 MHz,
- in the chemical formulas 1 to 4,
- R1 and R2 are each independently a (meth)acryloyl group,
- R3 is a substituted or unsubstituted C6-12 bridged cycloalkyl group,
- R4 is a substituted or unsubstituted C6-12 bridged cycloalkylene group,
- L1 to L3 are each independently a single bond or an alkylene group,
- n is 14 to 18, and
- m is 5 to 15.
8 more elements
Dependencies are inferred from the claim text.