Q:In LED, what are primary light sources and two light sources?

Two light distribution refers to the lamp reflector, a lamp with a reflector or lens, also with diffusion plate lamp

Q:What are the features of the LED Lambertian light source?

Lambertian source you have a professional name is K2. this should be LED high power light source. The first batch of his characteristics, advantages and disadvantages are here, but the process is complex, the requirements of the operators is not high, a lot of procedures for the equipment requirements is not high. The sealing die angle control. The material can be reflow welding, general acrylic lens can not. Then his technology is relatively mature, now the domestic large power are basically used this kind of lamp.

Q:What are the types of LED garden light sources?

This type of LED light source are the main food fish lamp bulb, round hat, SMD beads etc..

Q:LCD TV backlight there are two, one is straight down, and the two is side light, which is good?

The vertical backlight is difficult to implement, and the picture quality is better in theory. But the disadvantage of the direct backlight is that the TV appearance can not be too thin, and it is not very different from the traditional lcd. From consumer experience, it is difficult to believe and ordinary LCD what is the difference?.

Q:Can you use an ordinary dry cell as a light source for an LED lamp?

In principle, it is possible to make appropriate changes to the original circuit: charging LED lamps, using a 4V battery, and working voltage of an ordinary white light LED is about 2.5-3.2V. The 4V battery is powered by a voltage drop and is limited to dozens of paralleled LED power supplies (each LED operating current is about 5-10mA). The first two series of 1.5V to replace the original battery battery (note the negative), such as the light is very dark, but the original resistance resistor connected in parallel with the appropriate resistance, such as brightness up (for ordinary dry batteries internalresistance), resistance can be removed in parallel, then add a battery with 4.5V power supply to light tube brightness and single operating current not exceeding 10mA (too much current is too large to make LED accelerated aging). Personally think, it is best to buy a battery with the specifications, or with three sections of nickel hydrogen battery series (voltage of about 3.6V or more) replacement, to maintain the original charging function, so that the use of more economical.

Q:Relationship between luminous intensity and distance of LED

Light intensity is the index of luminous flux, solid angle density. The unit is cd. Mostly used when showing glare such as LED. It is defined as: emitting 540 * 1012Hz (wavelength 555nm) frequency monochromatic light, in the specified direction of light emission intensity of 1/683W/sr light source, in that direction the light intensity is defined as 1cd.

Q:Does the Leica fluorescent microscope have an LED light source?

Now, Zeiss, Leica and Olympus have the microscope products which use LED as the light source, and the domestic manufacturers have more and more introduced the microscope of LED light source

Q:12 for each lamp downlight main source of light of how much tile selection type of light source lamp is better (LED or energy-saving lamps)

It is definitely LED downlight. And in watching TV exchange space are saying "LED". Upstairs said "Thunderbolt brand". Not bad

Q:Now the market has replaced mercury lamp energy saving and environmental protection UVLED light source equipment, has been very promising, but because the price is too expensive, has not changed

UVLED curing machine is environment-friendly, pollution-free, small size, easy to install in assembly line operationThe traditional mercury lamp way, the curing machine adopts the mercury lamp to shine the way, the bulb has the mercury, the waste treatment and the transportation are very troublesome, improper processing will cause the serious pollution to the environment. The LED type curing machine uses semiconductor light-emitting, no pollution to the environment. Therefore, the LED type curing machine is more environmentally friendly. The size of the LED curing machine is only the size of the 1/5 of the traditional curing machine, which makes the installation of the equipment simpler and reduces the occupation area of the production site.

Q:What are the uses of LED point light sources? What are they used for?

Simple LED boot time is very fast (often starting with delay due to driver start delay)Long life, led if the heat better, you can reach more than 50 thousand hours