ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,954, issued on Oct. 14, was assigned to SUMITOMO BAKELITE Co. LTD. (Tokyo).
"Optical sheet and optical component" was invented by Satoshi Nishino (Tokyo) and Hiroshi Oya (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical sheet 10 of the present invention includes a laminate including a polarizing layer 4 containing at least one kind of a light absorbing agent and having a polarizing function, and a protective layer 1 laminated on the polarizing layer 4, in which in the polarizing layer 4, a value of a* is 0 or more and 30 or less and a value of b* is 0 or more and 30 or less in an L*a*b* color system defined by JIS Z 8781-4, and in the...