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US 10,539,721 B2Granted
Diffusion sheet, backlight unit, and liquid crystal display device
AssigneeKeiwa Inc.
InventorsTadayuki Nonaka, Hironobu Imakita, Kenichi Harada
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Abstract
A diffusion sheet includes a resin base layer that is light transmissive and a light diffusion layer provided on one surface of the resin base layer, and including titanium oxide particles, resin beads and a binder resin. The percentage by mass of the titanium oxide particle in the binder resin is 190 to 250% by mass, and the light diffusion layer has a mass per unit area of 6.0 to 7.0 g/m2.
Claims6
A diffusion sheet comprising:
- a resin base layer that is light transmissive;
- and
- a light diffusion layer provided on one surface of the resin base layer and including a plurality of titanium oxide particles, a plurality of resin beads, and a binder resin, wherein
- a percentage by mass of the titanium oxide particle in the binder resin is 190 to 250% by mass, and
- the light diffusion layer has a mass per unit area of 6.0 to 7.0 g/m2.
2 more elements
Dependencies are inferred from the claim text.