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Light beam controlling member and optical device including light beam controlling member
Light beam controlling member and optical device including light beam controlling member
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机译:光束控制部件和包括该光束控制部件的光学装置
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摘要
In a light beam controlling member, a projecting section has a third surface between a first surface (incident surface) and a second surface (total reflection surface). The third surface is formed into an angled surface that is angled in relation to an optical axis, of which one end section joined with the first surface is positioned further to a light source side than another end section joined with the second surface. The overall light that has entered the third surface of each of a plurality of projecting sections is refracted by the third surface towards an exit surface side with positive power.
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