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:
Sep. 15, 2020
Filed:
Nov. 20, 2017
Central Glass Company, Limited, Ube-shi, Yamaguchi, JP;
Naoya Mori, Tsu, JP;
Kensuke Izutani, Matsusaka, JP;
Central Glass Company, Limited, Ube-shi, JP;
Abstract
A light guide plate according to one embodiment of the present invention includes two glass sheets and a scattering layer sandwiched between and integrated with the glass sheets, wherein the scattering layer is a transparent resin film formed by stretching, and wherein the light guide plate has a haze of 0.2% or higher as determined according to JIS K 7136. The light guide plate is suitable for use in an edge-light-type surface light emitting apparatus. It is preferable that the scattering layer is a biaxially stretched transparent polyethylene terephthalate film. It is also preferable that the light guide plate further includes an adhesive resin layer between the scattering layer and the glass sheet.