Toshiba, Panasonic, Sharp, Philips, Lemnis Pharox
LED Bulbs and other comparative tests
Company development and production of LED bulbs (LED bulb
lamp), as a reference on hand several international brands
LED bulbs, specifically brand is Philips, Panasonic,
Toshiba, Sharp, Lemnis Pharox so. Then compare their test,
specific test LED bulbs luminous flux and luminous
efficiency.
. . .
Can be seen from the table, the big brands of light
efficiency is relatively high, at 60-80LM / W, the Japanese
brand of light-efficient, LED bulbs Philips low only 47LM /
W, puzzling. Deficiency of small brands flux serious, not as
ordinary luminous efficiency energy-saving lamps. Need to be
reminded that the Panasonic LDA8D-A1 / D of PF0.93, which is
why we test PF value of the trigger point, we were not the
test, the chance to see this light bulb in the PF more than
0.9, so the other PF value of LED light bulbs, also made
marked.
Definition: LED technology Physical
function An LED is a special type of
semiconductor diode. Like a normal diode, it consists of a chip of
semiconducting material impregnated, or doped, with impurities to
create a structure called a p-n junction. As in other diodes,
current flows easily from the p-side, or anode to the n-side, or
cathode, but not in the reverse direction. Charge-carriers -
electrons and electron holes flow into the junction from electrodes
with different voltages. When an electron meets a hole, it falls
into a lower energy level, and releases energy in the form of a
photon as it does so.
...
Features and Benefits of
LED The inherent features of LED decide
it to be the best alternative to conventional light source, and
provide a wide range of application.
LED Backlight advertising system - more than
the world's most efficient energy-saving fluorescent tubes more than
50%, Including the LED drive power consumption, luminous efficiency
of more than 88LM / W.
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