Title:
VEHICLE WINDOW GLASS
Document Type and Number:
WIPO Patent Application WO/2022/244786
Kind Code:
A1
Abstract:
A vehicle window glass according to the present invention is provided with: a glass plate; a light-shield layer stacked on a peripheral portion of the glass plate; a defogger of which at least a part is disposed in a light-transmissive region of the glass plate surrounded by the light-shield layer; and a first antenna disposed lower than the defogger on the glass plate. The vertical width of a part of the light-shield layer stacked on an upper end portion of the glass plate is 25 to 200 mm. The vehicle window glass satisfies a1+b1≧0.5λ, where a1 is the shortest of the horizontal lengths of the light-transmissive region, b1 is the vertical length of the light-transmissive region, and λ is the wavelength of radio waves received by the first antenna.
Inventors:
HASEGAWA MOTOKI (JP)
TSURUME YOSHINOBU (JP)
TSURUME YOSHINOBU (JP)
Application Number:
PCT/JP2022/020588
Publication Date:
November 24, 2022
Filing Date:
May 17, 2022
Export Citation:
Assignee:
NIPPON SHEET GLASS CO LTD (JP)
International Classes:
H01Q1/32; B60J1/18
Domestic Patent References:
| WO2019049783A1 | 2019-03-14 |
Foreign References:
| JP2019140669A | 2019-08-22 | |||
| JP2013026697A | 2013-02-04 | |||
| JP2020123922A | 2020-08-13 | |||
| JP2021164073A | 2021-10-11 | |||
| JPS5198305B1 |
Attorney, Agent or Firm:
TACHIBANA, Kenji (JP)
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