Concealed Led Ceiling Lights

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FAQ

What does "A19" mean in LED A19 bulb?
A represents the bubble type, A hemisphere bubble 19, and the back figure indicates the bubble size (mm in diameter)
What brand of LED bulb is good in quality?
View brightness. Incandescent lamps usually only talk about wattage instead of lumens, but LED bulbs can count in watts, but wattage does not represent the number of lumens due to the continuous development of LED's luminous efficiency.
LED bulb PC, will the white cover affect the color temperature of the finished lamp?
Our company is doing LED lamps, about the color temperature has indeed been deviation, we call this phenomenon called drift. But there will be no 6000K drift, and there are two possibilities for you
In a bulb, the ambient temperature of the LED is LED, the temperature of the air in the bulb, or the temperature of the aluminum substrate
The heat sink temperature and the temperature of the radiator is not the same, the heat sink through thermal grease or other heat conducting medium to heat to the radiator, the temperature will not coincide. And the temperature inside and outside the radiator is also different.
LED bulb w can replace 40W incandescent lamp
D lamp lumen value is ordinary incandescent lamp about 3 times, but LED ball bubble mask transmittance should be based on material, can use 10W or so LED acrylic mask ball bubble instead. Because I received a similar customer complaint, 7W's LED light bulb was replaced with an 20W energy-saving lamp, which was not bright enough.
Choose which light bulb LED bulb is the healthiest
The two said warm light, power, color temperature and so on have little to do with health
Led the bulb is flashing. What's wrong with it? How do you fix it?
There is a drive power failure, and if you do not electronic repair ah, it is recommended to return directly to another driver, generally have 1 years warranty period
What advantages does LED bulb replace energy saving lamp?
LED lamp structure is strong, green environmental protection, not easy to destroy, long life (generally 5 years is not a problem), this is energy-saving lamps can not be compared