The neon lights
In big cities neon lights flare late into night. it is so beautiful because the neon lights reflecting a unique decorate lamp. One of the things that’s very special about this city is the colorful variety. simple equipment make it especially suitable for high-rise building and other fields. coloring rich  of the other Advertisement lamp is incomparable.
Inert gases are suitable for generating the light in high electric field (and An inert gas such as argon is introduced to reduce evaporation of the filament.) . it is different from the an ordinary light source through high-temperature lighting. not only can create a large amount of electric energy waste, the service life of the compressor caused by larger threat. Therefore, more for the same electric energy can produces more light.

We’ll show you a few simple led DIY from today.
Tunable color for decorated lights as follows:

you can easily configure the led color with a potentiometers,
In using, the moveable arm of a potentiometer can adjust color

At the present This thesis has the system’s scheme of hardware main circuit diagram and software design.

Adjusting system technology

For the development of stage light adjusting system technology, our research (simply words)is of practical value for led customer. there are has five kind of way to control LED device. see below .

* FPC （thyristor dimmer）
* RPC （MOS dimmer）
*1~10VDC dimmer
*DALI
*DMX512(or DMX)
1、FPC （thyristor dimmer）Design of the thyristor voltage regulator using synchronization sampling。Its principium is that By adjusting the connecting-angle of the booster, the single chip controls the output power of the thyristor, whose output voltage and current are detected by sample and converting circuits for sine-wave voltage control. This technology is dimming technology for high-power lamps.

2、RPC （MOSFET dimmer）
MOSFET dimmer is similar with thyristor dimmer. it also have a controller . in this work,it adopt MOSFET as switching devices. MOSFET has all control-type switching devices(Not only can open, it can colse), there are no obscure zone caused as thyristor dimmer.

3、1~10VDC dimmer
The 1~10VDC dimmer to take a more design-friendly . Through the dimmer key can adjust the incandescent light and shade degree. it just has two circuits . a road is connected with the control switch by PWM signal (In the design, to produce circuit MCU as a PWM output control signals, control of the on-switch situation,). other road is ground.

4、DALI
DALI (digital addressable lighting interface)DALI stands for Digital Addressable Lighting Interface and is a protocol set out in the technical standard IEC 62386. the DALI standard has defined an DALI network. it includes sixty-four work modules(which can be individually addressed access network.)

5、DMX512
DMX512 (Digital Multiplex) is a standard for digital communication networks that are commonly used to control stage lighting and effects. it has 8～24 road control wire can direct drive LED (RGB module) has great advantage, but it needs effective control with control signal.

Luminous efficiency and wavelength
The study enhances the understanding that the LED wavelength and LED the luminous efficiency is the only way to realize general lighting. We must start by recognizing that different wavelength has different luminous efficiency
we are to find some important data from LED factory

Incandescent lamp: 8-14lm/W

High pressure sodium lamp: 80-140 lm/W

Metal halide lamp: lm/W 60-90

Halogen tungsten lamp: lm/W 15-20

How to selected LED power supply?

In generally ,the LED power supply adopts constant current of given work.. that is, the maximum output current was invariable parameter (designer demands keep constant.)the output currently not going to increases with the increase of electric voltage . but power supply output voltage is rarely constant, That means the nominal value settled to values well within the output voltage’s rating.

Sale on the LED of your choice;
For example, you have a LED power supply that the output voltage from 8 volts to 12volts, output constant currently as 700mA. How to choice your LED? In this paper we have presented a ways as follows:
3Wattwith tree series connected units(led module)

（Color Rendering Index）

RA is an important part for evaluating LED lighting quality is an important method for evaluating color rendering (Light the degree of coloring for object is called color rendering.) of led light resource . research status of properties of artificial light resource and its significance.
In order to enhance our knowledge of color Rendering Index , I found something that photo of color Rendering Index. Please see pic below.

Compared ultraviolet lasers and ultraviolet light

The Substance composed of atomic generates enormous amounts of thermal energy after the release of out . this is light .the atomic is rather unstable near After gaining the energy(Spire the state of atomic) and ultimately transform it into light forms. due to different light resource will be produce different sorts of light. for example : ultraviolet lasers and ultraviolet light.Deep ultraviolet lasers and uv led strip have various applications in industries and scientific researches. of course also say some difference in common.
First find out what same point:

They are all electromagnetic wave(ultraviolet lasers and ultraviolet led strip and other electromagnetic waves transfer momentum and energy through space). Theyonly have a fixed wavelength.

What’s s main different between ultraviolet lasers and ultraviolet light?
The ultraviolet lasers is single frequency of high Energy Beam. energy density is higher than ultraviolet light.

The highest cost-effective LED modules

We recommend the industry the highest cost-effective LED products, we offer the industry’s most complete service.
1、RGBW
Freedom combination of color RGBW module can produce any different sizes and styles. No more worry for LED module of changing layer or Color for objects .mixes the colors as you like；This piece of RGBW modules can be used to make stage lighting, architectural lighting, mood lighting, intelligent lighting, etc

2、High-power LED
The High-power LED has high cost performance ratio that RGBW. So this High power led modules in the future market development will play an important role in. the High power led module has relatively low quality of light..under the circumstances there is more highly demand for design and application for The secondary optics design(The secondary optics design is a critical issue for the output efficiency and light distribution pattern of the LED project. Therefore, researching the secondary optical system design method for the high-power LED integrated source is particularly urgent.)

3、COB
There are many kinds of COB that can be used in design in LED market. but the quality varies.

Anyway The COB is mainly use for indoor light applications. it’s advantage: assembling process is simple. The COB power form 3W-50W.

Visible Light Communication，VLC

The led has light except high speed modulation and short response time and so on.
white LED at high rate modulation in flash mode are not easy to take notice. LED in the light mode also provide the functions of data communication with decode device. In data communication, transmitted and received messages with The range of the spectrum in 380~780nm
this utilization will assist us in this communication work. . Owing to its more adjustable parameters,we call this the way(uses visible light to produce the carrier wave) as Visible Light Communication(VLC)
There is tremendous room for Short range security, secure communication, high precision, accurate location, transportation, communication and indoor navigation .

Disinfection tools
The market have a lot kinds of disinfection tools, uv led among others. This paper introduce two new wave length of uv led for you . they were 254nm and 185nm respective .
254nm ultraviolet led kill bacterium: first the 254nm uv led install to disinfection.
the disinfection device can be made through means of ultraviolet rays lighting to kill bacterium
we know that bacteria reproduce by dividing and making copies of themselves. we have been trying to prevent them copies and dividing with ultraviolet led .

the operation principle of 185nm ultraviolet led is differentia than other uv led. it can be transform O2 into O3(Ozone). Ozone is produced by the reaction between oxygen and ultraviolet light. Ozone is best known for its role in screening the Earth from harmful ultraviolet rays from the Sun.

O3 has very strong oxidation, so the 185nm led could be more effective in kill bacterium , and it is scattered all over the vast space(other ultraviolet light travels in straight lines). has a faster and wider response.