LED is a new type of flashlight, since the advent of white LED, LED Bags Lights it has been introduced, but the initial time due to low brightness white LED, high cost, LED Bags Lights it can be said that such products have been in the "laboratory stage", the price of ordinary people no one Dare to ask, some military products have a small amount of promotion. With the increase in brightness of white LED, cost reduction, and gradually go out as the ranks of the public. The increase in brightness is mainly due to the emergence of ITO, LED Bags Lights the brightness almost doubled, and the price, due to the improvement of production technology, from the first four dollars down to the current 4 cents a cheap 1 cents below Many. Now the popular flashlight on the market with 9 or 12 diameter 5mm LED, the connection is parallel, 3 7 batteries. Or a 1W or 3W or 5W high power LED. 1W high power LED single device prices ranging from 15-35, the initial launch of lumileds 1W high power LED seems to sell 4-5 dollars.
Semiconductor lighting is known as the fourth generation of lighting, can be said to be a replacement product, cost much higher than ordinary light bulbs, LED Bags Lights but long life In terms of energy saving, ordinary light bulbs do not know how much, with LED flashlight about 1W-5W range, on the advantages of energy-saving, LED Bags Lights then put aside the flashlight, LED current market-oriented products in terms of energy consumption between incandescent and fluorescent lamps. But absolutely environmentally friendly, non-polluting. Long life, is recognized by the advantages of LED, but the market can be said that the flashlight with LED can be said to be good and bad.
LED flashlight another fatal shortcomings (ordinary people are not easy to find the shortcomings), color rendering low! In the LED display under the color of the incandescent lamp is not true,LED Bags Lights which from the spectral distribution of the analysis, are technical issues, without repeat. LED Bags Lights There is a drawback, the spot, due to the white LED manufacturing process defects with the reflective cup or lens with the error, likely to cause "yellow circle" problem. Some manufacturers do not consider the quality of the device and with the problem, completely copy the other manufacturers of products, the poor quality of the LED flashlight flooding the market, seriously damaged the reputation of LED.
LED: the most popular is the most popular LED, LED Bags Lights the Chinese full name is "light-emitting diodes", low-power LED are generally used in the 1AA or 3AA, I do not say that, the power is too small, home can, But the outdoor more than the difference, the main talk about the use of outdoor high-power 3W it, LED Bags Lights the main representative is currently the most popular is the United States CREE LED, long life, according to the manufacturer data up to 100,000 hours
Compact LED flashlight refers to the use of an AA battery or AAA battery multi-lamp small flashlight, or a three button battery pocket flashlight or keychain flashlight. LED Bags Lights This type of small-scale LED flashlight is also poor condenser, power consumption is also large, but in the city for temporary emergency lighting or night to see things such as not long-term use of the case, or have some practical value. This kind of flashlight because of the use of time is not much, often stored for temporary use, LED Bags Lights it is best to use a better sealed alkaline batteries (generally can be stored for two or three years will not be invalid), LED Bags Lights do not use ordinary carbon battery, so as not to long Extinguish the electrolyte and damage the flashlight.