Lens unit and camera module

JP7680343B2Active Publication Date: 2025-05-20SOMAR CORP
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Patent Information

Application Number
JP2021204759
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2021-12-17
Publication Date
2025-05-20
Estimated Expiration
2041-12-17
Patent Text Reader

Abstract

To provide a lens unit 2 that incorporates ring-shaped light-blocking members that can remove unnecessary light incident on the lens unit 2 of a camera module 1, and the camera module 1 including the unit 2.SOLUTION: A camera module 1 includes a lens unit 2 and an imaging element 9 for imaging a subject through the lens unit 2. The lens unit 2 includes a lens group composed of lenses 41, 43, 45, 47, 49 stacked in an optical axis direction X. Between the lenses 41, 43, the lenses 43, 45, and the lenses 47, 49, spacers 61a, 63, 65 are disposed. A reflection prevention film 7 is arranged on at least an end surface side of at least one of base materials 61a, 63a, 65a, which are the bodies of the spacers 61, 63, 65. The reflection prevention film 7 is 2-40 μm thick and is a spray-coated film of a liquid agent composition that includes a specific composition.SELECTED DRAWING: Figure 2
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Citation Information

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