Title:
POLARIZING PLATE COMPOSITE AND IMAGE DISPLAY DEVICE
Document Type and Number:
Japanese Patent JP2020052365
Kind Code:
A
Abstract:
To provide a new polarizing plate composite that suppresses generation of interference unevenness.SOLUTION: The polarizing plate composite includes a linearly polarizing plate, a half-wave layer, a first adhesive layer formed by curing an active energy ray-curable adhesive, and a quarter-wave layer in the described order, in which the angle formed by a fast axis of the half-wave layer and a transmission axis of the linearly polarizing plate is 10° or more and 20° or less, and the difference in an absolute value between the refractive index of the first adhesive layer at a wavelength of 589 nm and the refractive index of the half-wave plate at a wavelength of 589 nm is less than 0.05.SELECTED DRAWING: Figure 1
Inventors:
FUJITA SEIDAI
Application Number:
JP2018184577A
Publication Date:
April 02, 2020
Filing Date:
September 28, 2018
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO
International Classes:
G02B5/30; G09F9/00; G09F9/30; H01L27/32; H01L51/50; H05B33/02
Domestic Patent References:
| JP2018017996A | 2018-02-01 | |||
| JPH11149015A | 1999-06-02 | |||
| JP2003307622A | 2003-10-31 | |||
| JP2017015766A | 2017-01-19 | |||
| JP2015163937A | 2015-09-10 | |||
| JP2014170223A | 2014-09-18 |
Foreign References:
| WO2018135186A1 | 2018-07-26 | |||
| WO2014196638A1 | 2014-12-11 | |||
| WO2016158300A1 | 2016-10-06 | |||
| WO2016006384A1 | 2016-01-14 |
Attorney, Agent or Firm:
Fukami patent office