发明名称 LIGHT-SHIELDING PLATE ADAPTED TO LENS
摘要 A light-shielding plate adapted to a lens is provided, which includes a light-shielding body, a light through hole penetrating through a center of the light-shielding body and at least one identification region penetratively disposed at a periphery of the light-shielding body. One of the at least one identification region includes a straight edge located at a boundary of the light-shielding body. The light-shielding plate satisfies: Rs/R≧0.8, where R is a radius of the light-shielding body, and Rs is the shortest distance between the identification region located closest to the light through hole and a circle center of the light through hole.
申请公布号 US2017052367(A1) 申请公布日期 2017.02.23
申请号 US201615062228 申请日期 2016.03.07
申请人 Genius Electronic Optical Co., Ltd. 发明人 Cho Hung-Chang
分类号 G02B27/00 主分类号 G02B27/00
代理机构 代理人
主权项 1. A light-shielding plate adapted to a lens, comprising: a light-shielding body; a light through hole, penetrating through a center of the light-shielding body; and at least one identification region, penetratively disposed at a periphery of the light-shielding body, wherein one of the at least one identification region comprises a straight edge located at a boundary of the light-shielding body, wherein the light-shielding plate adapted to the lens satisfies: Rs/R≧0.8, wherein R is a radius of the light-shielding body, and Rs is a shortest distance between the identification region located closest to the light through hole and a circle center of the light through hole.
地址 Taichung City TW