Diffusing adhesive layer, optical member and liquid-crystal display device,申请号US20010756878-传众专利搜索

Diffusing adhesive layer, optical member and liquid-crystal display device

申请公布号：US2001002153(A1)

申请号：US20010756878

申请日期：2001.01.10

申请公布日期：2001.05.31

申请人：

YANO SHUUJI

发明人：YANO SHUUJI

分类号：G02F1/1335;G02B5/02;(IPC1-7):G02F1/133;G02B15/14

主分类号：G02F1/1335

摘要：A diffusing adhesive layer has a light-transmissible adhesive layer dispersively containing colorless light-transmissible particles so as to exhibit light diffusing characteristic. The light diffusing characteristic of the diffusing adhesive layer is not higher than 10% in terms of a light diffusion factor which is defined as 100xI30/I10 when I30 is the intensity of light transmitted in a direction inclined by 30 degrees relative to a direction of perpendicular transmission of perpendicularly incident light, and I10 is the intensity of light transmitted in a direction inclined by 10 degrees relative to the direction of perpendicular transmission of perpendicularly incident light. Another diffusing adhesive layer has a total light transmission factor of not lower than 85% and a direct transmission factor of not higher than 30%. In an optical member, one of the diffusing adhesive layers is provided on an optical material having at least a polarizing plate or a retarder plate. In a reflection type liquid-crystal display device, the optical member and one of the diffusing adhesive layers are provided between a liquid-crystal cell and a polarizing plate.