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:
May. 11, 2021

Filed:

Dec. 26, 2018
Applicant:

Lotte Advanced Materials Co., Ltd., Yeosu-si, KR;

Inventors:

Jee Kwon Park, Uiwang-si, KR;

Ik Mo Kim, Uiwang-si, KR;

Jung Ki Kim, Uiwang-si, KR;

Sang Hyun Hong, Uiwang-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 7/02 (2021.01); C08L 69/00 (2006.01);
U.S. Cl.
CPC ...
G02B 7/022 (2013.01); C08L 69/00 (2013.01); G02B 7/02 (2013.01);
Abstract

Disclosed herein is a lens barrel member. The lens barrel member includes: a lens barrel surrounding an outer periphery of a lens; and a housing receiving the lens barrel, the lens barrel being secured to the housing, wherein the lens barrel is formed of a lens barrel composition including: about 50 wt % to about 75 wt % of a polycarbonate resin; about 20 wt % to about 45 wt % of a glass fiber; about 0.5 wt % to about 3 wt % of a polyolefin wax; and about 0.5 wt % to about 3 wt % of a fluorinated olefin resin, and a weight ratio of the polyolefin wax to the fluorinated olefin resin ranges from about 1:0.3 to about 1:3. The lens barrel member can have a low coefficient of friction and/or good properties in terms of rigidity and/or dimensional stability.


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