发明名称 LED light bulb
摘要 The present invention provides a LED light bulb which is capable of providing the gorgeous and artistic impressions. The LED light bulb comprises a plurality of LED chips, a globe covering the LED chips and allowing the light emitted from the LED chips to penetrate, and a bulb connector, wherein at least one portion of the globe has a concave-convex part.
申请公布号 US8820966(B2) 申请公布日期 2014.09.02
申请号 US201213358117 申请日期 2012.01.25
申请人 Rohm Co., Ltd. 发明人 Igaki Masaru;Yabugami Akio
分类号 F21V14/00 主分类号 F21V14/00
代理机构 Hamre, Schumann, Mueller & Larson, P.C. 代理人 Hamre, Schumann, Mueller & Larson, P.C.
主权项 1. A LED light bulb, comprising: a plurality of LED chips; a globe, covering the LED chips and allowing the light emitted from the LED chips to penetrate; and a bulb connector, wherein the globe has a top located on an opposite side from the bulb connector, at least one portion of a light penetrating part of the globe has a plurality of strip bulging portions formed on an inner surface of the globe and extending from the top of the globe toward the bulb connector, and wherein each strip bulging portion forms a partial-circle shaped protrusion extending toward the LED chips, and a sharp V groove is formed between each two adjacent strip bulging portions, thereby allowing sharp V grooves and partial-circle shaped protrusions to be formed alternately on the inner surface of the globe.
地址 Kyoto JP