B - Operations – Transporting – 60 – Q
Patent
B - Operations, Transporting
60
Q
B60Q 1/44 (2006.01) B60Q 1/30 (2006.01) F21S 8/10 (2006.01) F21V 5/00 (2006.01) F21V 13/04 (2006.01)
Patent
CA 2059705
A rear window stop lamp for a motor vehicle, which is energizable when the brake of the motor vehicle is applied, has a resin-molded body attached to the interior side of a rear window glass sheet. The resin-molded body has at least one cavity having a curved reflecting surface. An LED chip is disposed in the cavity substantially at a focal point of the curved reflecting surface. A transparent resin-molded body surrounds the LED chip. A light distribution lens plate covers an opening of the cavity for directing rearwardly a light beam emitted from the LED chip and reflected by the curved reflecting surfaces. The light distribution lens plate comprises a Fresnel lens. A printed electric wire board is embedded in the resin-molded body for energizing LED units. The printed electric wire board is made of a material having a coefficient of thermal expansion which is closer to that of the rear window glass sheet than to that of the resin- molded body. A thermal expansion inhibiting plate, also embedded in the resin-molded body, is made of a material having a coefficient of thermal expansion which is closer to that of the rear window glass sheet than to that of the resin-molded body.
Morikawa Masaru
Sasajima Tetsuo
Dennison Associates
Nippon Sheet Glass Co. Ltd.
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