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Children lamp good choice led lamp is better
Use LED lamp is better. Save electricity, no flash, the light is downy. General energy-saving lamps such as uv radiation, and there will be a stroboscopic.. LED there is no such as uv radiation, there is no stroboscopic, longer life, count was more stable, and quick response.
Are LED lights compared to dc lights?
Leds are generally constant current drive, also is the dc driving lights, as long as give the LED current to the rated current of the LED itself is not stroboscopic, unless there is something wrong with the power supply itself.
LED lamp stroboscopic serious, can you tell me the reason?
Use digital camera LED lights have similar moire interference, should be a digital camera sensor scanning frequency and multiple leds blinking frequency with a certain relationship, lead to no photosensitive sensor some particular locations and appear black stripes. According to the phenomenon that the LED lamp is resistance capacity drive is premature. In general, if the LED lights use resistance capacity device driver, then stroboscopic frequency twice of the ac power frequency, i.e., using flash frequency 50 hz alternating current while the frequency is 100 hz, with 60 hz ac for 120 hz - under the frequency, the human eye or is there a way to identify: the five fingers outstretched rapidly oscillating in the lamplight, if can see "a lot of fingers in the middle of the swing range (shadow), you can judge the LED use the low frequency pulse power supply driver. If the LED is used inverter type constant current power source, then stroboscopic frequency up to 40 ~ 200 KHZ, wiggle the fingers in this light, the human eye of persistence of vision has been unable to form such as "image of guanyin", so it can be the difference between the judgment
Students do homework with LED lamp to choose LED strips or LED lamp bead?
Hello, I'm in LED lamp bead, the LED strips and LED lamp, LED footlights bead do personal suggest you buy LED strips light bead, because the patch lamp bead most of small power lamp bead, better heat dissipation droop ways, LED LED footlights beads Mostly adopts zhonggong rate or high power lamp (does not exclude the use efficiency, photosynthetic efficiency, but the cooling ways than small power, and the most important is, as a desk lamp Eye is very important, high power single star light focused light transmittance is strong, can't compare with patch lamp beads of good, so buy a desk lamp, or select the LED strips lights.
Light flashing, if is to use the adapter, it is possible that the adapter, try out in later.
This seems not, but can be modified, specific how to operate, can go to the shenzhen LED lighting look at technical articles on net
Desk lamp good still tube of good to buy LED strips? Search light tube usually can use a few years need to change?
A low power consumption and lower power LED that LED the working voltage of is generally 2-3.6 V. The working current of 0.02-0.03 - A. That is to say: it consumes the electricity is not more than 0.1 W. 5, green environmental protection, high efficiency and energy saving, the LED is made from non-toxic material, unlike fluorescent mercury can cause pollution, at the same time, the LED can also be reused.
The lamp that shield an eye is after the light lamp or led the good
LED you to choose natural white warm white (neutral) is not dazzling
LED lamp, adjustable light, new to buy less than a week; Strip, it took more than 4 years. This morning on the strip, light will flash. To strip of the others will be fine. But the same old jack plug in the computer, but everything is normal, but the strip will issue "hissing" sound. Supposedly the lamp power is smaller than a computer, this is how to return a responsibility? I think baidu has said strip contact.
Used for strip after a long time, the contact piece there is deviation between, the plug of the lamp and the computer plug, its size and shape is little different, because of poor contact, slight of spark and arc, resulting in the "hiss" noise. Computer power supply is switching power supply, its adaptation wide voltage range and unstable power supply also can make the normal operation of the computer, and LED bulbs have unstable voltage, because the internal circuit has energy storage component, coupled with its low power consumption, and induced voltage, flashing would happen. Recommend replacing strip.