Projection lens and projection device having a space interposed between a frame and a first lens

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United States of America Patent

PATENT NO 12204165
APP PUB NO 20220066179A1
SERIAL NO

17522499

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Abstract

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A projection lens is a projection lens that emits incident light through a plurality of lenses, and includes a first lens that is disposed to be closest to an emission side, a second lens which is adjacent to the first lens and of which a diameter is smaller than a diameter of the first lens, and a frame that includes a first surface and is positioned outside the second lens in a radial direction. The first surface faces the first lens, the first surface has a light reflection-reducing structure, and a value of G1/G2 is 1.7 or more in a case where a diameter of the first lens is denoted by G1 and a diameter of the second lens is denoted by G2.

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Patent Owner(s)

  • FUJIFILM CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Amano, Masaru Saitama, JP 82 356
Kayano, Hironobu Saitama, JP 29 128

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