VEHICLE WINDOW GLASS AND VEHICLE WINDOW GLASS DEVICE

• Main Author: FUNATSU SATOSHI
• Format: Patent
• Language: English; Japanese
• Published: 12.08.2022
• Subjects: ANTENNAS, i.e. RADIO AERIALS; BASIC ELECTRIC ELEMENTS; ELECTRICITY

To provide a vehicle window glass having a conductive layer and capable of transmitting and receiving radio waves in a predetermined frequency band with high gain.SOLUTION: A vehicle window glass includes a first glass plate having a main surface, a conductive layer disposed on the main surface side with respect to the first glass plate, a conductive frame disposed on the main surface side of the first glass plate and having an inner edge along the outer edge of the conductive layer in plan view of the first glass plate, and a power supply unit electrically connected to the conductive frame, and the conductive frame has an electrical resistance lower than that of the conductive layer and functions as part of an antenna that transmits and receives radio waves in a predetermined frequency band.SELECTED DRAWING: Figure 1A 【課題】導電層を備え、所定の周波数帯の電波を高利得で送受可能な車両用窓ガラスの提供。【解決手段】主面を有する第１ガラス板と、前記第１ガラス板に対して前記主面の側に配置される導電層と、前記第１ガラス板に対して前記主面の側に配置され、前記第１ガラス板の平面視で前記導電層の外縁に沿った内縁を有する導電枠と、前記導電枠に電気的に接続される給電部と、を備え、前記導電枠は、前記導電層よりも低い電気抵抗を有し、所定の周波数帯の電波を送受するアンテナの一部として機能する、車両用窓ガラス。【選択図】図１Ａ