Title:
ANTI-REFLECTION CIRCULAR POLARISER AND IMAGE DISPLAY DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2020/196306
Kind Code:
A1
Abstract:
Provided is an anti-reflection circular polariser suitable in particular for an organic EL image display device, said circular polariser making it possible to provide an excellent anti-reflection circular polariser for preventing reflection of outside light and, thus, to provide an excellent image display device in which a decrease in the anti-reflection function due to a decrease in the degree of polarisation under highly humid conditions is extremely low, and in which the change in shape of an image display panel is small. The anti-reflection circular polariser, in which a reflection-reducing layer, a light-transmitting base film, a polarising element and a λ/4 phase difference layer are layered in that order, is characterised in that the moisture permeation rate of said light-transmitting base film is 100 g/m2⋅day or less.
Inventors:
SUZUKI TOSHITAKE (JP)
INOUE TOSHIKI (JP)
SHIBANO HIROSHI (JP)
INOUE TOSHIKI (JP)
SHIBANO HIROSHI (JP)
Application Number:
PCT/JP2020/012405
Publication Date:
October 01, 2020
Filing Date:
March 19, 2020
Export Citation:
Assignee:
TOYO BOSEKI (JP)
International Classes:
G02B5/30; B32B7/023; G02B1/111; H01L27/32; H01L51/50; H05B33/02
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Other References:
See also references of EP 3951452A4
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