Title:
偏光板
Document Type and Number:
Japanese Patent JP7338945
Kind Code:
B2
Abstract:
An object of the present invention is to solve the problems which can be peculiarly generated in a coating-type optical film, and provide an optical film which hardly causes deterioration in optical performance with time, a display device equipped with the optical film, and a process for producing the optical film, and there is provided a polarizing plate having a diffusion preventing layer A having the thickness of 0.05 μm to 3 μm, a polarizing film comprising a polymer of a polymerizable liquid crystal and a dichroic coloring matter, and a diffusion preventing layer B having the thickness of 0.05 μm to 3 μm, in this order.
Inventors:
Nobuyuki Hatanaka
Yousuke Ohta
Yousuke Ohta
Application Number:
JP2016211289A
Publication Date:
September 05, 2023
Filing Date:
October 28, 2016
Export Citation:
Assignee:
Sumitomo Chemical Co., Ltd.
International Classes:
H05B33/02; G02B5/30; H05B33/14; H10K50/10
Domestic Patent References:
| JP200191747A | ||||
| JP2011215336A | ||||
| JP201148308A | ||||
| JP2014238533A | ||||
| JP9281335A | ||||
| JP201337353A | ||||
| JP201530154A |
Foreign References:
| WO2015083448A1 |
Attorney, Agent or Firm:
Norito Yamao
Kenichi Morizumi
Marina Kajita
Kenichi Morizumi
Marina Kajita
Previous Patent: Board for lunch box and lunch box provided with the same
Next Patent: sewing machine
Next Patent: sewing machine