LENS WITH MEMBRANE, LENS UNIT, AND CAMERA MODULE
To provide a lens with membrane capable of preventing misalignment of the optical axis of the aperture or double mis-insertion of lens when assembling the lens, a lens unit, and a camera module.SOLUTION: Disclosed lenses 14, 15, and 16 with membrane have an anti-reflective coating 40 respectively ov...
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Format: | Patent |
Sprache: | eng ; jpn |
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Zusammenfassung: | To provide a lens with membrane capable of preventing misalignment of the optical axis of the aperture or double mis-insertion of lens when assembling the lens, a lens unit, and a camera module.SOLUTION: Disclosed lenses 14, 15, and 16 with membrane have an anti-reflective coating 40 respectively over the surface. A part of the anti-reflective coating 40 is subjected to blackening in a circular shape and is superimposed in the optical axis direction with a blackening treatment layer 42 that narrows light by a central opening 42a. The blackening treatment layer 42 is formed from the outside of the optical function surfaces 14b', 15a', 15b', 16a' around the optical axis O to the inside of the optical function surfaces to define the lens effective diameter.SELECTED DRAWING: Figure 2
【課題】レンズ組み込み時に絞りが光軸ずれや重複誤挿入を来たさない膜付きレンズ、レンズユニットおよびカメラモジュールを提供する。【解決手段】本発明の膜付きレンズ14,15,16は表面に反射防止膜40を有する。反射防止膜40の一部は、環状に黒化処理することによって中央の開口42aにより光を絞る黒化処理層42と光軸方向で重ね合わされる。黒化処理層42は、光軸Oを中心に光学機能面14b',15a',15b',16a'の外側から光学機能面の内側にわたって形成されることによりレンズ有効径を規定する。【選択図】図2 |
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