H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 33/00 (2006.01) F21S 2/00 (2006.01) F21V 7/04 (2006.01) F21V 8/00 (2006.01)
Patent
CA 2349020
A lighting device is provided. The lighting device has LED lamps and so forth with high directivity as light source. The lighting device of the present invention is capable of lighting more uniformly. Few labor for maintenance and inspection is necessary. Rich durability is provided therewith and it can be manufactured in low cost. The lighting device is constituted in such a way that a light source body such as LED lamp and so forth is disposed at an end portion of a cylindrical light transmitting member whose degree of transparency is transparent or translucent. The constitution causes the light to travel in the axial direction of the light transmitting member. Transparent or translucent island formation body is provided on the inside of internal surface of the light transmitting member. Islands of the island formation body are made to protrude perpendicular to the axial line of the cylindrical light transmitting member. The light emitted from the light source body is irregularly reflected while striking to these islands. For that reason, more even illuminating light is given at the peripheral surface of the light transmitting member to be the light ejecting surface.
Macrae & Co.
Top Electronic Corporation
LandOfFree
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