1results about How to "Reduce the refractive index difference" patented technology

The present application relates to a kind of laminated optical films, it is sequentially laminated with the 1st optical film, the 1st adhesive layer, the 2nd optical film, the 2nd adhesive layer and the 3rd optical film, wherein, the 1st adhesive layer and the 2nd adhesive layer are the cured product layer of laminated optical film adhesive composition containing curable component and metal oxide particles.It is preferable that the refractive index of the 1st adhesive layer and the 2nd adhesive layer is 1.55 or more.It is preferable that the refractive index of the 1st optical film and the 2nd optical film is 1.55 or more.It is preferable that the 1st optical film and the 2nd optical film are both phase difference films of liquid crystal type, and it is preferable that the 3rd optical film is at least a polarizing film with polarizer.