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. 16, 1998
Filed:
Jul. 19, 1996
Takafumi Ishii, Yokohama, JP;
Nippon Oil Company, Limited, Tokyo, JP;
Abstract
A light modulating material having an excellent energy saving effect as window materials and others which comprises as a main component member a laminate wherein a liquid crystalline material is placed over at least one light transmitting substrate, said laminate having properties of a light transmittance of not less than 50% at a wavelength of 400-750 nm at an overall temperature from not lower than 273K to not higher than 313K, a light transmittance of not less than 60% at a wavelength of 750-2000 nm at an overall temperature from not lower than 273K to low than 288K and a light transmittance of not more than 40% and a light reflectance of not less than 50% at a wavelength of 750-2000 nm at a wavelength of 750-2000 nm at an overall temperature from not lower than 298K to not higher than 313K.