WOSEN LIGHTING TECHNOLOGY LIMITED
July 26, 2023
Why are everyone now preventing blue light?
The author entered the business display decoration industry in July 1997 and has since started working on designing computers. At that time, there was no concept of protecting the eyes. Basically, they stayed up and down for more than ten hours a day. They stared at the computer to do a design change (this seems to have exposed the age); even if the industry has changed in the recent decade, THX/ ISF audio and video engineers, the overall design of custom audiovisual projects or small theaters, is also inseparable from the computer. Not only work, I love to play Sony PlayStation games, watch Hollywood movies, plus smart phones that everyone can't leave, let us stare at the screen all the time.
Probably from the beginning of 2015, suddenly the eyes began to have some problems. The phenomenon of dry pain and seeing things from happening occurred from time to time; I was chatting with a designer friend of mine, Lao Chen. He shared deep feelings with the blue eyes of LCD screens. I recommended a US anti-blue light spectacles to me. Unfortunately, it was found that the color cast problem was difficult to solve during use. Since I have been deeply concerned about and actively purchasing anti-blue light hardware devices, the author has developed a habit in these two years. In addition to designing and repairing photos, I must wear anti-blue light glasses or turn on the blue light function of computer monitors to minimize some of the blue light. Eye damage!
(quote the official picture)
So what is Blu-ray and why does Blu-ray hurt the eyes? Blue light (high-energy short-wave blue light) is a light having a relatively high energy between 400 nm and 480 nm. There is no separate white light in nature, but white light that appears after mixing blue light with green light and yellow light. The green and yellow light energy is smaller, the eye irritation is smaller, the blue light wave is short, has a very high energy, and can penetrate the lens directly to the retina.
(quote the official picture)
In artificial light sources such as mobile phones, computers, televisions, and other electronic screen backlights, blue LEDs are used to mix yellow phosphors to form white light, which makes artificial light more white and bright! In the visible light emitted by an artificial light source, a wavelength between 415 nm and 450 nm will produce harmful blue light. When the blue light is irradiated to the retina, free radicals are generated, and these free radicals cause the decline of the retinal pigment epithelial cells, resulting in the lack of nutrients in the light-sensitive cells. Visual impairment, and these injuries are irreversible.
(quote the official picture)
Simple analogy, when we were young, we saw the welding light on the roadside. Adults would let us avoid being afraid to “hit” our eyes. Although we don’t know why, if we look at the time a bit longer, we may have serious pain at night. Tears, tears, eyes that don't open the eyes... Harmful Blu-ray is also the same, and it also takes us to avoid injury to the eyes, even though the damage is slow. Today we have become adults. Adults have begun to limit time or even forbid children to play mobile phones and watch TV. Children are also smarter and have their own thoughts. It is also normal to not understand and question. We have to reason with our children:
Why don't you watch TV? - hurt the eyes!
Why hurt your eyes? - Accurate answer: Harmful blue light reaches the retina and damages the retinal pigment epithelial cells.
What happens if I'm damaged? - Myopia may even cause blindness!
Why can't adults watch children? - Children's crystal clearer, more vulnerable to blue light!
Adults do not damage it? - Adults will control the viewing time and take effective measures to prevent!
Is it because we prevent it? - No, I can't watch. If I don't listen to it, I can cut you!
............ or reasoning effect is good!
It can be said that from the past few years, there have been a lot of means to reduce Blu-ray through external filtering. We can buy anti-Blu-ray screen film, anti-Blu-ray glasses, and the mobile phone system has also added Night Shift or Blu-ray filtering function, but The result is inevitably bad, it can also reduce the harmful blue light of about 30%, at the same time bring the screen yellow, dark, color cast and other side effects! Last year double 11, I purchased a 32-inch professional 4K monitor, which has 99.5% Adobe RGB and 100% sRGB, two powerful color gamut display capabilities, while adding a fourth-order Blu-ray filter function.
Design
In June 2017, Cool developed three anti-Blu-ray TV products and adopted optical anti-Blu-ray technology to filter harmful blue light from the light source through anti-Blu-ray lamp beads, while at the same time maximally ensuring that the colors are not distorted and yellowed. This kind of display effect will bring what kind of picture quality performance in the end, and sincerely hope that you can personally experience it!
The minimalist ID design is still the characteristic of the cool open product. The elegant golden sandblasted metal frame has a strong texture and noble atmosphere. Maybe it's because of the reason why my home uses warm lighting. When I take pictures and actually look at the products with the naked eye, I always think that this is the color of rose gold.
Ultra-narrow frame design will minimize the visual disturbance when viewing the picture; the carved elements at the bottom of the panel will make the whole product more beautiful;
Cool open anti-Blu-ray education TV, backplane using ABS high-strength engineering plastics, perhaps because of the need for anti-Blu-ray features, there is no pursuit of ultra-thin TV design, the thickness of law-abiding;
TV back input and output interfaces, USB 2.0/3.0, 2 HDMI+1 channels MHL (mobile terminal high-definition video standard interface), RF RF input (cable TV), composite audio and video input, and one audio output terminal.
Cool open anti-blue light technology
(quote the official picture)
Cooper's Photovoltaic Components and Materials Laboratory at the University of California, USA, starts from the base (LED chip light source), controls each light bulb through the chip, and adjusts the harmful blue light with a peak wavelength of 450 nm in a spectral translation manner. Harmless blue light to a wavelength of 460 nm, while removing harmful blue light, ensures the relative accuracy of the displayed color.
(quote the official picture)
Compared with the helplessness and poor effect of external anti-blue light, Cool TV broke through the use of hardware to solve the drawbacks of Blu-ray eyes, and achieved an 80% harmful Blu-ray removal effect. With its unique anti-Blu-ray technology, it has obtained professional anti-Blu-ray certification from TUV Rheinland (one of the three most authoritative testing and certification organizations in the world), which proves that Coolopen's products are truly effective against Blu-ray, and anti-Blu-ray technology has reached the international level. level. The key to the technology of cool-opening Blu-ray education TV is anti-blue light, which is also the focus of experience.
First of all, through the use of anti-Blu-ray glasses in the United States to take a screen shot, so that we can more intuitively see the anti-blue light on the screen color change, we can say that color cast is very serious. Because I love to watch Hollywood movies and I have watched a lot of remakes of classic movies. These remake movies often turn the film yellow and warm. The warm colors have a long-lasting sense of time; then Avatar, Transformers, and the hacking empire. In the movie, the picture is blue and green, and the cool tone creates a sense of mystery and technology... Then if I wear a pair of anti-Blu-ray glasses to see Transformers, this picture completely ignores the keynote of the director's film, and it is necessary to endure the reduction of blue light. The original picture quality changes and deterioration? Really can not stand this yellowish dark picture.
Blu-ray and picture quality
Next, I compared the screen shots of Cool Blu-ray Disciplining Education TV with ordinary 4K TV. The two TV screen shot parameters were exactly the same (28-70 shot, 51mm focal length, aperture F13, shutter 1/2 second, ISO value 100). Due to the influence of camera quality, light, and shooting environment, there is a gap between the actual picture and the effect of the TV. The photographs were taken only after cropping. No adjustments or modifications were made.
In the screen contrast, it can be clearly seen that anti-Blu-ray education TV has obviously weakened the blue light wave, but the overall color cast (the most intuitive feeling is yellowish) is not large. If it is not such an AB contrast, basically Ignore slight deviations in color.
Both TV picture settings are standard mode, brightness/contrast/color/clearness is 50, color temperature is set to standard, and backlight is adjusted to maximum. Both TV picture settings are standard mode, brightness/contrast/color/clearness is 50, color temperature is set to standard, and backlight is adjusted to maximum. Because the average color temperature of China's landscape is about 8000K to 9500k in the four seasons, the television station produced the program with the viewer's color temperature of 9300K. Our country's favorite color temperature, computer screen color temperature settings choose 9300K mostly. In actual viewing, the cool white of the anti-Blu-ray education TV is still white, not the kind of yellowish white, in line with Asians' need for cool colors, even if the hardware has anti-Blu-ray features, the final screen still leaves people feeling To a big change, this colorless result is acceptable.
Because of love for the design needs of photography and audio-visual space, it is even more sensitive to color reproduction. As mentioned earlier, the author has a professional monitor. In Adobe RGB display mode, the colors of photos or pictures are displayed accurately. In this comparison, I also turned on the Blu-ray function of the monitor. The DP interface of the computer was connected to the monitor. At the same time, the HDMI interface was connected to the anti-Blu-ray education TV and another set of contrast screen shots was made.
I was shocked to see the blue light screen of the monitor. It was probably a software-filtered Blu-ray function. I only turned it on to the first level of the four-filter Blu-ray, and the screen color was obviously yellow; I tried to open it to the fourth level. The dim yellow picture has been unbearable. Comparison of the original picture Cool open TV screen, anti-Blu-ray education TV from the chip level for each frame of the image was fine-tuned, the picture's dynamic range, dynamic contrast, clarity, dark details no loss, color relative With some changes, the change is smaller within the acceptable range.
Absolute non-negative not to mention television, and even ordinary monitors can not do accurate color reproduction, cool open anti-Blu-ray education TV is a flat-panel TV, let us watch movies, watch live, see variety show ... compared to other defense Blu-ray method, cool open anti-Blu-ray TV has done the best in color performance.
Finally dedicate a mobile phone Blu-ray screen capture contrast, edge rainbow effect is caused by shooting curved screen. What kind of anti-Blu-ray is the best way to compare with the three anti-blue display devices? !
More resources
CoolBreak Blu-ray Education TV adopts a brand-new and upgraded CoolOpen 6.0 system, which makes it more intuitive to put premium content on the homepage and directly click to watch. The waterfall content in the featured content will not only provide unlimited drop-downs, but also recommend thematic series for you based on your viewing taste.
The mainstream of common applications, everything can be directly search and install.
In addition to anti-Blu-ray education television, the CCTV is also an educational television. It contains a large number of quality educational content for children. It incorporates 40000+ animation, children's arts, and children's songs. All content is carefully selected by educational experts and will not be appropriate at the same time. Everything children watch is isolated;
Children's favorite animations, nursery rhymes, favorite puzzle games can be found here.
Baby enlightenment, diversified learning, baby learning English, cool open cooperation with small and medium-sized extracurricular tutoring brand - "learning and thinking", through the advanced teaching mode of thinking and thinking, let the living room one second change the classroom.
to sum up
We do not allow children to play games, watch TV or watch mobile phones. They fear that harmful Blu-ray will damage their eyesight. But cartoons, nursery rhymes, puzzle games for children, various teaching videos for children’s education, interactive learning methods, etc. are inseparable from the latest, fastest, and most advanced delivery methods such as mobile phones, televisions, tablets, and computers; It is believed that only the cool-opening anti-Blu-ray education television has truly achieved this: Let adults be assured that their children will be bold to see.
CoolBreak Education TV features dual-core 64-bit Cortex A73 architecture processor, six-core Mali 450 GPU, five-core quality processor, 17-core coprocessor, 2G DDR4 high-speed memory, ultra-fast processing speed for 4K video decoding Or a variety of applications are running smoothly; screen-casting function, artificial intelligence voice Bluetooth remote control real-time interaction, iQIYI film and television resources, children's education, children's Hollywood ... ... is enriching the connotation of the product; anti-Blu-ray education TV, covering health + Education The two generals pay attention to hot spots, prevent blue light and do not hurt the eye + mass quality educational content for children, giving the child double protection of the heart and eyes, double protection! What is your choice as a parent? I believe we already have the answer in mind.
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