ADHESIVE SHEET, AS WELL AS OPTICAL MEMBER AND ORGANIC LIGHT EMISSION DEVICE USING THE SAME
First Claim
1. An adhesive sheet including a binder and adhesive particles mixed in the binder in which the adhesive particle includes an inorganic particle and a polymer, the inorganic particle is chemically bonded with the polymer, the adhesive particles are partially exposed to the surface of the binder, the refractive index of the inorganic particle is higher than the refractive index of the binder, and the adhesion of the adhesive particle is larger than the adhesion of the inorganic particle.
1 Assignment
0 Petitions
Accused Products
Abstract
An adhesive sheet 1 including a binder 3 and adhesive particles 2 mixed in the binder 3 in which the adhesive particle 2 includes an inorganic particle 21 and a polymer 22, the inorganic particle 21 is chemically bonded with the polymer 22, a portion of the adhesive particles 2 is exposed to the surface of the binder 3, the refractive index of the inorganic particle 21 is higher than the refractive index of the binder 3, and the adhesion of the adhesive particle 21 larger than the adhesion of the inorganic particle 21. An adhesive sheet having high refractive index and high adhesion, as well as an optical member and an organic member and an organic light emission device can be provided.
28 Citations
15 Claims
- 1. An adhesive sheet including a binder and adhesive particles mixed in the binder in which the adhesive particle includes an inorganic particle and a polymer, the inorganic particle is chemically bonded with the polymer, the adhesive particles are partially exposed to the surface of the binder, the refractive index of the inorganic particle is higher than the refractive index of the binder, and the adhesion of the adhesive particle is larger than the adhesion of the inorganic particle.
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15. A method of manufacturing an adhesive sheet including an inorganic particle dispersion step of preparing a liquid dispersion by adding inorganic particles to a dispersing solvent, a reaction step of adding a silane coupling agent to the liquid dispersion thereby bonding the silane coupling agent and the inorganic particle, an adhesive particle preparation step of adding a polymer to a liquid obtained by the reaction step and chemically bonding the inorganic particle and the polymer thereby manufacturing adhesive particles, and a step of mixing the adhesive particles and the binder, in which the refractive index of the inorganic particle is higher than the refractive index of the binder, and the adhesion of the adhesive particle is larger than the adhesion of the inorganic particle.
Specification