RGB and white LEDs

When it comes to the grievances and grievances of white LEDs, we can't help but mention RGB and white LEDs. 

Both of them have the same goal and hope to achieve the effect of white light, but one is directly presented in white light, and the other is displayed in red, green and blue. 

Mixed light; one said that the purity of the other party was not enough and the price was too expensive, and the other retorted that his color was beautiful, and criticized the other party's aging and fading. 

Such a war may not stop in the short term. However, although green vegetables and radishes have their own advantages, it is not so simple in terms of technology and cost. 

Some things cannot be compromised, because whether it is in terms of frequency or voltage consistency, if it cannot be adjusted. , then the mixed light is likely to be uncontrollable at all. 

Therefore, both technologies are made by people, and each has its own market, but whether the market can determine the technology or whether the technology leads the market will probably cause considerable discussion. 

People who like high image quality should not find it difficult to find that the colors of some LED backlights are particularly clear and bright, even to the extent of high-quality TVs. 

This situation is exactly the characteristic of RGB, and the advertised red is red and green. Green and blue are the characteristics of blue. 

In the color mixing of light, it has more diverse characteristics. Just like a painter's palette, it can perfectly present the most real color world and decorate a beautiful life. 

Although white LEDs based on phosphors cannot resist the problem of aging and color fading, they can gain a foothold in the market. 

The most important problem is actually the cost! One beats three, which is the main reason for breaking the siege in the market. 

At the current cost, RGB lights are significantly higher than white LED lights. The only competitive place is on the backlight board.

In the future, it is possible to compete with white light. LED lights compete with each other. 

As for other places, they are mainly auxiliary lighting at present, which is controlled separately when RGB is separated. 

Although it can be directly controlled and the color mixing is good, it is a big problem to achieve a very pure mixed white light. 

Although the cost is expensive, However, the quality is relatively good. 

As for white LED lamps, although the cost is cheap, they can directly replace CCFL and become the main technology of LEDs. 

However, relatively speaking, they are packaged together because of the wavelength and frequency. 

The situation will also be unstable. However, the control problem of RGB lights still needs to be strengthened. 

For example, if one of the lights is broken, it will be quite obvious on the entire screen. 

On the contrary, white LED lights can complement each other because of the side-emission relationship, so It can make up for a broken LED, and make up for the uniformity, so that the overall condition does not look too bad. 

In the current situation of a hundred schools of thought contending, whether RGB technology will become the mainstream or whether white LED will become the mainstream, there is no certain answer. From each point of view, the application and cost of the market will be the main key.

How to distinguish the positive and negative poles of SMD LED lamp beads

Many packages, such as some 0603, 0805 and other packaged SMD LEDs, will have a green "T" symbol at the bottom. 

One side of the "T" is the positive electrode, and the other side is the negative electrode. 

Some SMD LEDs will be marked with a silk screen similar to a triangle symbol, so the bottom edge of the triangle is close to the positive electrode, and the top corner is close to the negative electrode. 

The lead of the light-emitting diode is generally longer in the positive pole, and the lead in the negative pole is relatively short. 

Observe the shape of the two lead wires in the tube body from the side, the smaller one is the positive electrode, and the larger one is the negative electrode. 

Adjust the multimeter to "ohm x1", when the diode glows, the red test lead is connected to the positive end of the SMDLED, and the black test lead is connected to the negative end of the SMDLED. Because the LED turn-on threshold is about 1.5-1.8V. It is possible that the voltage supplied by the DMM cannot start it. 

So still look at the mark. SMD light-emitting diodes, the green dot is the negative electrode, and the opposite is the positive electrode.

How much LED color temperature is good for the eyes?

Color temperature is the most common indicator of the spectral quality of a light source. Generally represented by Tc. Color temperature is defined by absolute black body. Nowadays, LED lamps and lanterns are very common in life and have various colors. So how much is the color temperature of LED good for the eyes? Next, Yijingyuan Radio and Television will explain it to you. There are reports that white cold light LEDs and blue light LEDs are harmful to the eyes and should be banned. These LEDs are mainly used for decoration, and their blue light intensity far exceeds that of natural lighting and traditional lighting. These high-intensity blue light can cause damage to the retinal pigment epithelium and retinal sensory layers at the same time, thereby accelerating retinal aging and increasing the risk of macular degeneration. The biggest victims of LEDs are children under the age of 10. Children in this age group have neither a cloudy lens nor macular pigment, and therefore lack resistance to blue light.

 LED lights are mixed with blue chips and external yellow phosphors to generate white light, so that the content of blue light in LED lights is relatively high. Blue light refers to the blue light band of 400-500 nanometers. If the brightness is too high, the eyes may cause photochemical damage to the retina after looking directly at the light source for a long time. The degree of blue light hazard depends on the cumulative dose of blue light received by the human eye under the light. According to national regulations, the color temperature of LED lighting cannot be greater than 4000K. However, due to the high luminous efficiency and relatively low cost of high color temperature LED light sources, there are many high color temperature products on the market.

 Color temperature is the most common indicator of the spectral quality of a light source. "Warm Light" has a lower color temperature, while "Cool Light" has a relatively high color temperature. As the color temperature increases, the proportion of blue radiation increases, and the blue light increases accordingly. At the same time, brightness also affects the proportion of blue light. Generally speaking, fluorescent lamps and LED lamps with the same color temperature are basically harmless as long as the brightness of the latter does not exceed 3 times that of the former. However, for individual LED lamps that are too bright, the proportion of blue light may exceed the safe value. With the maturity of LED technology, manufacturers no longer need to blindly increase the color temperature and power of lamps to achieve high lumens, which objectively reduces the possibility of excessive blue light.

Common specifications and models of LED chips

0603, 0805, 1210, 3528, 5050 refer to the size of surface mount SMD LEDs. For example, 0603 refers to a length of 0.06 inches and a width of 0.03 inches. But note that the 3528 and 5050 units are metric. Here's a breakdown of those specs:

       0603: Converted to metric, it is 1608, which means that the length of the LED element is 1.6mm and the width is 0.8mm. The industry abbreviation is 1608, and the imperial name is 0603.

       0805: The conversion to metric system is 2012, which means that the length of the LED element is 2.0mm and the width is 1.2mm. The industry abbreviation is 2112, and the imperial name is 0805.

       1210: Converted to metric, it is 3528, which means that the length of the LED element is 3.5mm and the width is 2.8mm. The industry abbreviation is 3528, and the imperial name is 1210.

       3528: This is the metric name, which means that the length of the LED element is 3.5mm and the width is 2.8mm. Industry abbreviation 3528.

       5050: This is the metric system name, which means that the length of the LED element is 5.0mm and the width is 5.0mm. Industry abbreviation 5050.

LED Light Emitting Diode

Light-emitting diodes are commonly used light-emitting devices that emit energy through the recombination of electrons and holes, and are widely used in the field of lighting. 

Light-emitting diodes can efficiently convert electrical energy into light energy. 

LED lighting products generally have the characteristics of long life, good lighting effect, energy saving, etc. 

It is precisely because of these advantages that they are superior to other traditional lamps that they have a wide range of uses in modern society, such as lighting, flat panel displays, medical devices, etc. However, a major problem facing LEDs now is the production cost of LEDs. 

Because the cost cannot be saved and reduced, the general price of LED lamps is relatively high, which is also an important factor limiting the promotion of LEDs. 

EKINGLUX has continuously made breakthroughs in the technical field, and strives to reduce costs under the premise of ensuring quality, and has achieved the purpose of reducing sales prices. 

It is expected that EKINGLUX, as well as many other LED light-emitting diode chip lamp bead factories, can break through the technical difficulties as soon as possible, so that LED lamps can be more widely popularized and used.

Indoor lighting faces dual market pressure

The surface treatment of the product can have different effects, such as: hot bending process, silk screen (whole or part), blister, engraving, CNC cutting. 

For all products, we take strict quality control to ensure the good quality of our products.

Over the years, under the premise of focusing on quality, we have always had a good cooperative relationship with customers.