Recently, the eye health problem of adolescents has received great attention from the society. Even our master Xi gave instructions to pay attention to the health of young people's eyes and ask the whole society to take action. Coocaa TV has always attached great importance to the issue of eye protection, and has successively launched a number of eye protection TVs, which have received quite a good response. The latest Coocaa C60 is the representative of a new generation of eye-protection TV. So, how does Coocaa TV protect the eyes?
What is Blu-ray?
Coocaa TV can do eye protection mainly because it can prevent blue light. When it comes to this, I have to mention what is blue light?
In fact, we often see blue light in our lives, and blue light exists in all kinds of lights. Among them, high-energy short-wave blue light, that is, blue light between 415 nanometers and 455 nanometers, can cause damage to human eyes. However, as we age, our lens can filter a certain amount of blue light. But the main problem we are facing now is the excessive blue light environment, so the blue light problem is getting more and more attention.
So why is there an excess of blue light now? The reason is also very simple. There is an excessive amount of blue light in the monitors, mobile phones, tablet computers and TVs we use. The reason is that most of the current liquid crystal display devices use LED backlights. Since the backlight needs the effect of white light, the industry uses blue LEDs mixed with yellow phosphors to form white light. Since the blue LED is the main hardware, the blue spectrum in this white light has a peak, which causes what we call the problem of blue light hurting the eyes.
The harm of blue light
The blue light hazards we often say are mainly short-wave blue light, which has extremely high energy and is second only to ultraviolet light in energy. The penetrating power of short-wave high-energy blue light is relatively strong, which can cause the atrophy of the retinal pigment epithelium and even the death of light-sensitive cells. The function of light-sensitive cells is to receive incident light to convert light signals into electrical signals, which are then transmitted to the brain through the optic nerve for imaging. The death of light-sensitive cells will result in a gradual decline or even complete loss of vision. This damage is very fatal.
For children, this stimulus is especially obvious. Because children’s eyes have not yet fully developed and are structurally unstable, nor have they formed a stable function of filtering blue light, the damage of blue light to children’s eyes is more direct.
There are also many anti-blue light technologies on the market for electronic devices, mainly focusing on film anti-blue light and software anti-blue light. These two anti-blue light methods do not essentially reduce the generation of harmful blue light, but also cause the picture to be distorted and yellowish. To give a simple example, you will know when you turn on the eye protection mode on your mobile phone. Is the picture obviously yellowish?
In order to prevent harmful blue light without losing the image quality, Coocaa pioneered the LED lamp beads, specially selected LED lamp beads with a dominant wavelength above 457mm, and converted the harmful high-energy short-wave blue light with a wavelength of 415nm-455nm to a wavelength above 460nm. The harmless long-wave blue light can avoid harmful blue light without affecting the normal color of blue light.
Anti-blue light effect measured
So how can we verify the anti-blue light function of Coocaa C60? Our PConline evaluation room has prepared a harmful blue light detection mirror. It can shield most of the weak penetrating light, such as red and yellow light. The strong penetrating blue and purple light can be captured by the camera through the filter. We put the filter in front of the camera to take a screen shot. The more blue-violet light displayed on the screen, the more blue-violet light emitted by the TV, and the more blue-violet light with high short-wave energy will be retained.
We used an LCD TV of another brand to compare with Coocaa C60.
Because of the filter, we can see that the ordinary LCD TV is more blue and purple than the original picture, which shows that the ordinary LCD TV emits a lot of blue light. Coocaa C60 does not emit harmful blue light, and the overall color reproduction is quite good.
This picture is also the same. The original picture is originally blueish. Compared with ordinary TV, the whole picture is blue-purple. Coocaa C60 is only slightly blueish-purple. It shows that Coocaa C60 can indeed prevent blue light.
At the moment when various large-screen electronic devices are becoming more and more popular, it is impossible for children not to touch them. However, when the myopia rate remains high, how to protect children's eyes has become an issue that parents must pay attention to. Therefore, when choosing a TV, choosing a TV that can prevent blue light and protect your eyes is a very worthy consideration. After all, both are buying TVs, so why not buy a cool TV that is good for children's eyes?
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