OPTICAL GLASS AND ULTRAVIOLET LIGHT EMITTING DEVICE

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United States of America Patent

APP PUB NO 20240217863A1
SERIAL NO

18391858

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An optical glass having: a transmittance of light at a wavelength of 270 nm of 50% or more when converted into the transmittance with a thickness of the optical glass being 1.0 mm; an average thermal expansion coefficient in a range of 50° C. to 400° C. of 4.4 ppm/° C. to 7.2 ppm/° C.; a refractive index nd of 1.55 or more; and an Abbe number vd of 50 to 60.

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Patent Owner(s)

Patent OwnerAddress
AGC INC5-1 MARUNOUCHI 1-CHOME CHIYODA-KU TOKYO 1008405 ?1008405

International Classification(s)

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  • 2023 Application Filing Year
  • C03C Class
  • 543 Applications Filed
  • 109 Patents Issued To-Date
  • 20.08 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
SHIRAI, Daichi Shizuoka, JP 4 1
SHIRATORI, Makoto Shizuoka, JP 15 107

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges641901 - 10050100150200250300350400450500550600650700

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