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US09239138B2 LED bulb optical system with uniform light distribution 有权
LED球泡光学系统配光均匀

LED bulb optical system with uniform light distribution
摘要:
A pear-shaped light-emitting diode (LED) light bulb housing is provided with a plurality of light-dispersing thickness variations in the bulb envelope. Dimples, bumps, or v-shaped grooves are provided in a middle portion of the bulb envelope in order to uniformly disperse light from LEDs as the light passes through the bulb envelope.
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