The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 08, 2021
Filed:
Mar. 09, 2020
Applicant:
Gentex Corporation, Zeeland, MI (US);
Inventors:
George A. Neuman, Holland, MI (US);
Mario F. Saenger Nayver, Zeeland, MI (US);
John S. Anderson, Holland, MI (US);
Assignee:
GENTEX CORPORATION, Zeeland, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); G02B 1/11 (2015.01); G02F 1/1335 (2006.01); G02B 1/113 (2015.01); G02F 1/157 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0101 (2013.01); G02B 1/11 (2013.01); G02B 1/113 (2013.01); G02B 27/01 (2013.01); G02F 1/133555 (2013.01); G02B 2027/0112 (2013.01); G02B 2027/0118 (2013.01); G02F 1/133502 (2013.01); G02F 1/157 (2013.01);
Abstract
A transparency includes a first substrate having a first surface and a second surface. A second substrate includes a third surface and a fourth surface. An optical coating is positioned on the fourth surface. The optical coating has a refractive index real component n of greater than about 1.8 and an nk ratio of greater than about 0.6, as measured at 550 nm. The fourth surface has a reflectance of less than about 1.2%, as measured from the first surface.