Sughrue Mion, PLLC
Projection lens with peripheral thick part and vehicle lamp provided with the same
A projection lens formed of a light-transmitting resin including an incidence part on which light is incident, an emission part, a peripheral edge portion, and a thick part. Light is incident on the incidence part. The emission part emits the light incident from the incidence part. The peripheral edge portion is provided at a boundary between the incidence part and the emission part. The thick part is provided at a part of the peripheral edge portion, made thicker in an optical axis direction than other parts of the peripheral edge portion and having a gate mark formed at least on a part of an outer peripheral surface of the thick part.
KOITO MANUFACTURING CO., LTD.
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G02B F21S F21S G02B F21S G02B G02B
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Masashi Tatsuhiko Kenji Akinori Mamoru Takahito
Katayama Yamamichi Yoshida Matsumoto Kosuge Osawa