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But so far no can emit white chips, so common technique is to use the blue color chip now covered with a layer of fluorescent powder mixed white light, so the number of the wavelength of the blue light and fluorescent powder, the uniformity of phosphor coverage on a chip will interfere with leds emit white light color, such as less phosphors may be blue, for example, the yellow, middle high edge will be blue or blue.s
Reason is that the LED lamp cup with halogen lamp cup does not match the original transformer, lamp cup need low frequency 12 ~ 24 v dc or ac power supply, the original halogen transformer is a high frequency alternating current (ac).s
The LED lamp can be divided into several categories: type, hanging and embedded, etc. To shoot the light is divided into with transformer and without transformer. That belongs to the embedded in the ceiling. The manifestation of LED lamp in key exposure position such as: TV wall, Logo background, and some important pendant accessories, etc. We are a factory located in Shanghai of philips general agent, the main production and sales of LED products are as follows: philips LED floodlight, LED project-light lamp philips, philips leds, philips LED ball steep light, philips LED shoot the light, philips LED ceiling lamp, philips, LED buried lights, philips LED street lamps, philips LED track light, philips ballast, philips electronics ballast,s
In theory LED (single light emitting diode) life can reach 100000 hours. But after assemble into lamps and lanterns, also related to the life of the other electronic components. Also is the life of the LED lamps and lanterns of less than 100000 hours might fail, is not necessarily the LED itself, it is possible that the power of the chip, electrolytic capacitor and other components out first. And now many LED manufacturers, the quality is good and bad are intermingled.s
Search track shoot the lamp to be suitable for all kinds of needed light rendering, focused on the interior space environment lighting, widely used in museums, libraries, commercial shops, hotels, clubs, catering, professional venues and other indoor places, LED track lamp do better at present domestic brand with philips, thorne, WAC lighting, panasonic, leishi, ty, the big room, sidon, opple, mitsuo aurora, kei, lighting, TCL lighting, etc. Hotel customers use less LED to shoot the light, usually adopts embedded LED lamp or ceiling lamp, canister light, etc.s
Do you want to light is adjustable brightness or light color? If it is a variable degree of directly replace driver IC is ok, if is the color temperature of the lamp bead can not suitable for you. 3. Your driver output voltage and current, the series multiple lamp after share current, light can't take much mores