Lens assembly

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20170017063A1
SERIAL NO

14999803

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A lens assembly includes a stop, a first lens, a second lens and a third lens, all of which are arranged in sequence from an object side to an image side along an optical axis. The first lens is a plano-convex lens with positive refractive power and includes a convex surface facing the object side. The second lens is with negative refractive power. The third lens is with positive refractive power and includes a convex surface facing the object side. The third lens satisfies 03/f<1, wherein f3 is an effective focal length of the third lens and f is an effective focal length of the lens assembly.

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Patent Owner(s)

Patent OwnerAddress
SINTAI OPTICAL (SHENZHEN) CO LTDBUILDING 1ST 2ND 3RD QUWEI INDUSTRIAL ESTATE LI-SONG-LANG INDUSTRIAL DIST GUANG MING NEW ZONE SHENZHEN CITY GUANDONG PROVINCE

International Classification(s)

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  • 2016 Application Filing Year
  • G02B Class
  • 10130 Applications Filed
  • 7990 Patents Issued To-Date
  • 78.88 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20162017201820192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Hui-qing Shenzhen City, CN 8 71
Chen, Jian-mei Shenzhen City, CN 3 7
Song, Li-yang Shenzhen City, CN 1 1
Wei, Jian Shenzhen City, CN 61 455

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Patent Citation Ranking

  • 1 Citation Count
  • G02B Class
  • 22.62 % this patent is cited more than
  • 8 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1235356340512853141972332801 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +0100020003000250500750125015001750225025002750325035003750

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