发明名称 Optical Lens Assembly for Image Pickup
摘要 An optical lens assembly for image pickup, sequentially arranged from an object side to an image side along the optical axis, comprising: the first lens element with negative refractive power has a convex object-side surface and a concave image-side surface; the second lens element with positive refractive power has bi-convex surfaces; and the third lens element with negative refractive power, made of plastic, and which has a convex object-side surface and a concave image-side surface with at least one thereof is aspheric. By such arrangements, the optical lens assembly for image pickup satisfies conditions related to shorten the total length and to reduce the sensitivity for use in compact cameras and mobile phones with camera functionalities.
申请公布号 US2013050849(A1) 申请公布日期 2013.02.28
申请号 US201213414303 申请日期 2012.03.07
申请人 HSU CHIH-WEN;CHOU MING-TA;LARGAN PRECISION CO. 发明人 HSU CHIH-WEN;CHOU MING-TA
分类号 G02B13/18 主分类号 G02B13/18
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