Anisotropic optical film
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United States of America Patent
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-
Jun 5, 2018
Issued Date -
N/A
app pub date -
Mar 17, 2015
filing date -
Mar 28, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In an anisotropic optical film including two or more anisotropic light diffusion layers where a linear transmittance varies depending on an incident light angle, each of the anisotropic light diffusion layers has a matrix region and a plurality of pillar regions that differ in refractive index from the matrix region, at least two types of anisotropic light diffusion layers (a) and (b) that differ in aspect ratio between a short diameter and a long diameter at a cross section perpendicular to an orientation direction of the pillar regions are used as the anisotropic light diffusion layers, the aspect ratio between the short diameter and the long diameter in the pillar regions is made less than 2 in the anisotropic light diffusion layer (a), and the aspect ratio between the short diameter and the long diameter in the pillar regions is made 2 or more and 20 or less in the anisotropic light diffusion layer (b).
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- 1 Citation Count
- B05D Class
- 42.90 % this patent is cited more than
- 7 Age
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