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. 01, 2021
Filed:
May. 21, 2019
Benq Materials Corporation, Taoyuan, TW;
Wen-Hsin Yang, Taoyuan, TW;
Hung-Jiun Shieh, Taoyuan, TW;
BenQ Materials Corporation, Taoyuan, TW;
Abstract
An adhesive for a flexible optical film, especially an acrylate pressure-sensitive adhesive for a flexible display device is disclosed. The shear storage modulus (G') at the temperature of 60° C. and the frequency of 0.1 Hz and the shear storage modulus (G′) at the temperature of 30° C. and the frequency of 1 Hz of the present acrylate pressure-sensitive adhesive satisfy the relation: (G′−G′)/G′>−0.29, and the loss tangent (tan δ) at the temperature of 60° C. and the frequency of 0.1 Hz and the loss tangent (tan δ) at the temperature of 30° C. and the frequency of 1 Hz of the present acrylate pressure-sensitive adhesive satisfy the relation: (tan δ−tan δ)/tan δ<0.2.