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.

Date of Patent:
Nov. 04, 2025

Filed:

Jul. 01, 2020
Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Eun Jung Lim, Daejeon, KR;

Dong Hyun Oh, Daejeon, KR;

Jin Hong Kim, Daejeon, KR;

Min Jun Gim, Daejeon, KR;

Assignee:

LG Chem, Ltd., Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02C 7/12 (2006.01); G02B 1/04 (2006.01); G02B 5/30 (2006.01);
U.S. Cl.
CPC ...
G02C 7/12 (2013.01); G02B 1/041 (2013.01); G02B 5/3016 (2013.01);
Abstract

An injection-molded product or an eyewear is provided. The injection-molded product or the eyewear may be an optically compensated injection-molded product, which may resolve optical defects such as a rainbow phenomenon occurring in the injection-molded product or the eyewear. The injection-molded product may include an injection-molded body and a retardation film disposed on at least one side of the injection-molded body. The retardation film has an in-plane phase difference of 1,000 nm or more for light having a wavelength of 550 nm, and wherein an angle formed by a slow axis of the retardation film and an injection direction of the injection-molded body is in a range from 0 degree to 80 degrees.


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