LED Chip’s Application Study in the led production.

LED not working alone. another critical piece of led production is LED chip. what use does it have?
*LED chip has high voltage of constant circuit which supply constant output current for led.
*LED chip ability to weather an switching time of led which is led EN pin by LED chip , and the switching frequency can meet 1 MHz. whose reaction speed is very high.  and can support the high color gradation changes in high frequency output(PWM output).
* There are those LED chip includes detect circuit. damage status that does occur should be readily detectable and accessible for inspection and repair .to optimize the measures of improving reliability in order to achieve the purpose of the reliability of planning.

What factors concern you most when you’ll buy led power supply?

Which the led power supply transforms electricity energy into light energy. in generally ,the input source of led power supply include
industrial frequency alternating current(AC), source of direct current(DC). the following points should be consideration when choosing and designing your solution.
1．High efficiency: LED is save energy production, so the led power supply must have high efficiency.
2. High power factor: high power factor is another important requirement of  the power network to load.
3.Driver way: led power supply divide into constant voltage and constant currently.
5．Surge protect: it is intolerable for the led who capacity of surge protect.
6．Protection function: besides regular protection function such as currently protection, you will also find more protection function such as “temperature protection”. requirement! Come according to the standard of protocol and want to accord with national level and electrical Safety .

The user enters this world in a sticky situation: the high power led isn’t working! the user hope that they shall never again have to undergo such unpleasant experience. but user had an unhappy experience occasionally. we look into the issue.

High power led modules is the nested assembly that contains the second filament.what is filament? an electric light passes electricity through material called a filament. we are also call gold thread. when using, one end is directly connected with an positive pole and the other end is directly connected with a negative pole. the large current will cause serious harm of filament.

the power support for led
LED is light device of low voltage direct current constant current source.The semiconductor properties of the led are what allow to generate light. so led must require the recombination of p electron and hole. in led design, decision of plan according to product requirements and specifications.
the most important design step of these is power support(determination power supply way).

AC power support:
to convert the high frequency AC power , and generator into steady DC voltage, it would provide a constant currently source for the led.

Rechargeable battery:
The design solution by a rechargeable battery that can be charged via optional solar panel for perpetual use. or using that Built-in rechargeable battery. in here we not have to worry about electricity, because of led light with minimal power consumption. so rechargeable battery is also a good choice.

the led instrument

There are many types of instrument,such as: electromagnetic therapy instrument, digital therapy, ozonic instrument, and led instrument, of course.

The principle of the led instrument is a led instrument of setting led light shining on skin . then then instrument can change the structure of skin cells. the led instrument were often high purity and high power density of led. red light led ,blue light led and yellow light led is generally used.the led structure has advantages that they kill the bacteria will also bring harm to the new collagen elastin and collagen. so the led instrument can accelerate the growth and induct tendency of cells.

If you’d like more led production information, view the web site:  www.ledlightmake.com

LED bracket of Requirement

With the development of led technology, and high led has been gaining ground. so LED bracket start should be widely applied.but led experts noted : We found a bigger difference for processing technique of the COB bracket and PPA bracket . From a manufacturing or sourcing perspective, led engineer will want to use a EMC bracket , the EMC bracket has already been used for more than PPA bracket. to take over to drive 3W high power is no problem. and EMC bracket is headed for the direction of more high power led (for example:5W high power led).

Chromaticity coordinate of led

Coordinate: . It means “absolute position of a certain point in a plane coordinate system. zero points to be the origin. then you want to j positioning a specific location within the plane coordinate system. which indicates that the method: A（X，Y)；
led chromaticity coordinate: precisely. color chromaticity coordinate designates the color chromaticity coordinate in chromaticity diagram. sensitive color of retina has RGB(red,green,blue), from the three colors red, blue and green, all other color sensations can be made .mixed in varying proportions, they can produce all colors. that mix process is reflected in this chromaticity coordinate.

concentrating led light irradiation

How to focus the light beam of high power led?
reflector cup : reflector test led shall be of the widest beam concentration available.controlling light distance and sparkling area of led through reflector cup. becauseled can perfect co-work with reflector cup and offer the well mixed light source.
lens: taking the factors of cost and volume into consideration, lens is another option you can choose that small angle lens for your high power led. for example: 9° lens.

affecting led efficiency

The size of led color-temperature value is one of those things. It directly influences lighting efficiency .so the led color-temperature had important influence on it.
and analyze its Photoelectric current spectro-photoelectrical sensitivity curve to get the parameters that impact on the efficiency of the led color-temperature.

density(mw)

wavelength（nm)

It is easy to see the conclusions described in the photo as above.
(the light efficiency is of low efficiency in high led color-temperature,for example 5000k)
(the light efficiency is of higher efficiency in low led color-temperature,for example 3000k)
So this is one of the reasons that affecting lighting efficiency.

This comparison of the led lamp and Incandescent lamp

With the improvement of the luminous efficacy and white light technology, as the led product increasing the demand for people’s life increasingly strong . however, the led is still a new lighting production. why do user choose led production? has it got a special. we recommend you to look over the following test data.

Luminous efficacy:

*LED lamp the luminous efficiency is 100lm/W.
*Incandescent lamp the luminous efficiency is 6.5lm/W ~ 15lm/W.
This illustrates a stark difference between LED lamp and Incandescent lamp

LED lamp                     67.5lm/W
———–               =     ———– = 6.75
Incandescent lamp               10lm /W

According to the analysis above, the characteristics of LED is clearly evident, the high efficiency were higher in led lamp than incandescent lamp.