Optical system, lens module, and terminal device

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United States of America

PATENT NO 12253655
APP PUB NO 20210405331A1
SERIAL NO

17470606

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Abstract

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An optical system, a lens module, and a terminal device are provided. The optical system includes a first lens with a positive refractive power, a second lens with a refractive power, a third lens with a refractive power, a fourth lens with a positive refractive power, and a fifth lens with a refractive power. The first lens has an object-side surface which is convex at an optical axis. The third lens has an object-side surface which is concave at the optical axis. The fourth lens has an image-side surface which is convex at the optical axis. The fifth lens has an object-side surface which is concave at the optical axis and an image-side surface which is convex at the optical axis. The optical system satisfies the following expression: 0.25

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Patent Owner(s)

  • JIANGXI JINGCHAO OPTICAL CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Li, Ming Jiangxi, CN 1285 14101
Yang, Jian Jiangxi, CN 606 6431
Zhang, Wenyan Jiangxi, CN 27 129
Zou, Hairong Jiangxi, CN 30 30

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