semiconductor
Von mademms, 03:36 There is no burning gas or filaments so LEDs are more long-lasting and induce little to no heat. Their modest diameter also makes LEDs exceptionally defiant to elements and can even be waterproofed for more outrageous circumstances.
The led floodlight develops general situation after Gao Liang Du white light led published, because it has an efficiency of give out light Gao Jie Dian's efficacy good, and free from pollution, existence of the time limit grow of special place, encounter a value for all countries in illuminating an application.Use white light the led make floodlight to replace traditional floodlight of the development work constantly hold and obtained some results.Raise a few solid examples here.1.
Accept white light the led makes small scale lcd colourful hold of carry on the back light lighting to replace cold cathode fluorescent lamp(ccft).In order to driving white light, the led has the electric circuit Chien slightly, needs not a positive negative electricity source, and efficiency Gao, the special place with small size be then acquiring a very and extensive application in the hold type electronics outcome.Along with white light the exaltation of the led function, white only the led makes the application of carrying on the back the light source to not only used for cellular phone, game machine, pda and mp 4, number camera etc. is small colourful hold an electronics of outcome, have already applied to the screen size larger dvd, gps and 15 to record this desktop currently in.It has become one of the biggest customers of led and take up 30% of the led yearly production or so.2.Accept white only the led make the small scale number phototimer flash light to replace a traditional Xian light.Because the accepting short-term pulse can compare a sum to settle electric current for led power supply big 100%, can satisfy a camera to repair a bare request for the strong light of .
The electric circuit that drives led flash light needs not high voltage and there is also no weakness that longer time refreshes, can acquire to morely grasp an opportunity to clap, and make the battery used time longer.The figure 1 led lighting system structure frame diagram figure the head can only control led street lamp on the 2nd 3.Accepting the head of day can battery, storage battery and white light the led constitute of the real green illuminate system.The day head of the our country ability battery volume of production very big, only the lighting system of light wants to reform into led lighting, the expenses of reformation then is big, reformation of time long.(if reform a subway station or a lighting system that waits machine hall)Lately set up the led lighting power supply system needs to illuminate power supply system to want than the tradition complications some, the expenses wants Gao De Duo, if have no supporting of support and economy of policy is hard to enjoy.Figure 3 provides for led to change to give or get an electric shock the application that the electric circuit completes a task the language led light is 1 to synthesize a technical application, it concerning arrive a led and day head ability battery, storage battery and ac|the dc convert the technique of each realms, such as machine and led actuator...etc..
But the key technique the difficulty a topic still a led gives out light an efficiency currently the not enough Gao, production cost isn't enough low.Want to make the led light got into thousand 10000, probably still need to wait for several years.Led lamp(led light) mainly from the support, silver gum and chip, gold line and epoxy five kinds of materials constitute.
A single LED is fairly diminutive, but achievements in technology have admitted for the conjunction of scores of LEDs together to build consumer products ranging from powerful flashlights to Christmas lights and lamps. Large groups of LEDs have been used to change traffic lights and brake lights in cars. Since they are intended to go on for many years, these extraordinary lights nearly never ought to be replenished and can bear more extreme conditions than regular bulbs.
Just like compact fluorescent lights, LEDs are also amazingly energy efficient and use only a fraction of the energy needed to light a single incandescent bulb. In fact, LEDs use 1/50 of the energy of a common bulb and persist 10 times longer than their CFL substitutes. A typical LED bulb can last up to 15 years without needing to be changed! They are not as multifaceted in traditional light sockets, however, and are normally more costly than compact fluorescents. Price is the largest obstacle for this technology to be widely accepted. A typical 60W incandescent light bulb cost less than $1, a 13W CFL that replaces 60W incandescent light bulb cost near $3 and a 6W LED light bulb that replaces 60W incandescent light bulb usually cost more than $50(under $35 at our website). Considering the very long lifespan and the high efficiency, LED lights are becoming more and more in demand nowadays.
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The led floodlight develops general situation after Gao Liang Du white light led published, because it has an efficiency of give out light Gao Jie Dian's efficacy good, and free from pollution, existence of the time limit grow of special place, encounter a value for all countries in illuminating an application.Use white light the led make floodlight to replace traditional floodlight of the development work constantly hold and obtained some results.Raise a few solid examples here.1.
Accept white light the led makes small scale lcd colourful hold of carry on the back light lighting to replace cold cathode fluorescent lamp(ccft).In order to driving white light, the led has the electric circuit Chien slightly, needs not a positive negative electricity source, and efficiency Gao, the special place with small size be then acquiring a very and extensive application in the hold type electronics outcome.Along with white light the exaltation of the led function, white only the led makes the application of carrying on the back the light source to not only used for cellular phone, game machine, pda and mp 4, number camera etc. is small colourful hold an electronics of outcome, have already applied to the screen size larger dvd, gps and 15 to record this desktop currently in.It has become one of the biggest customers of led and take up 30% of the led yearly production or so.2.Accept white only the led make the small scale number phototimer flash light to replace a traditional Xian light.Because the accepting short-term pulse can compare a sum to settle electric current for led power supply big 100%, can satisfy a camera to repair a bare request for the strong light of .
The electric circuit that drives led flash light needs not high voltage and there is also no weakness that longer time refreshes, can acquire to morely grasp an opportunity to clap, and make the battery used time longer.The figure 1 led lighting system structure frame diagram figure the head can only control led street lamp on the 2nd 3.Accepting the head of day can battery, storage battery and white light the led constitute of the real green illuminate system.The day head of the our country ability battery volume of production very big, only the lighting system of light wants to reform into led lighting, the expenses of reformation then is big, reformation of time long.(if reform a subway station or a lighting system that waits machine hall)Lately set up the led lighting power supply system needs to illuminate power supply system to want than the tradition complications some, the expenses wants Gao De Duo, if have no supporting of support and economy of policy is hard to enjoy.Figure 3 provides for led to change to give or get an electric shock the application that the electric circuit completes a task the language led light is 1 to synthesize a technical application, it concerning arrive a led and day head ability battery, storage battery and ac|the dc convert the technique of each realms, such as machine and led actuator...etc..
But the key technique the difficulty a topic still a led gives out light an efficiency currently the not enough Gao, production cost isn't enough low.Want to make the led light got into thousand 10000, probably still need to wait for several years.Led lamp(led light) mainly from the support, silver gum and chip, gold line and epoxy five kinds of materials constitute.
A single LED is fairly diminutive, but achievements in technology have admitted for the conjunction of scores of LEDs together to build consumer products ranging from powerful flashlights to Christmas lights and lamps. Large groups of LEDs have been used to change traffic lights and brake lights in cars. Since they are intended to go on for many years, these extraordinary lights nearly never ought to be replenished and can bear more extreme conditions than regular bulbs.
Just like compact fluorescent lights, LEDs are also amazingly energy efficient and use only a fraction of the energy needed to light a single incandescent bulb. In fact, LEDs use 1/50 of the energy of a common bulb and persist 10 times longer than their CFL substitutes. A typical LED bulb can last up to 15 years without needing to be changed! They are not as multifaceted in traditional light sockets, however, and are normally more costly than compact fluorescents. Price is the largest obstacle for this technology to be widely accepted. A typical 60W incandescent light bulb cost less than $1, a 13W CFL that replaces 60W incandescent light bulb cost near $3 and a 6W LED light bulb that replaces 60W incandescent light bulb usually cost more than $50(under $35 at our website). Considering the very long lifespan and the high efficiency, LED lights are becoming more and more in demand nowadays.
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