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:
Nov. 04, 2025
Filed:
Apr. 26, 2022
Tpk Advanced Solutions Inc., Xiamen, CN;
Po-Yu Hsiao, Taoyuan, TW;
Sheng-Fa Liu, Taoyuan, TW;
Yi-Lung Yang, Taoyuan, TW;
Wei-Chou Chen, Taoyuan, TW;
Ming-Chung Liu, Miaoli County, TW;
Ya-Chin Chang, Taichung, TW;
Che-Wei Yen, Taoyuan, TW;
Ho-Chien Wu, New Taipei, TW;
TPK ADVANCED SOLUTIONS INC., Xiamen, CN;
Abstract
The present invention relates to an optical stack and an organic light emitting diode display including the optical stack, wherein the optical stack has an adhesive layer. The adhesive layer is disposed between a cover plate and a circular polarizer component, between the circular polarizer component and a touch component, or between the touch component and a display component. Wherein, a storage modulus at 60° C. of the adhesive layer is between 15 kPa and 30 kPa, and a ratio of a storage modulus at −30° C. to the storage modulus at 60° C. of the adhesive layer is between 6 and 16.