1. Filter Blue light film. Attached to the surface of the display device, the blue light emitted by the display device is absorbed or reflected back.
2. Filter blue light. The Blu-ray main wavelength of the display device is pushed from around 450nm to 460nm or even later. This will reduce the damage to the human eye.
3. Filter blue light composite film. Attached to the interior of the display device, both the function of the backlight membrane and the function of the Blu-ray.
4. Software reduces Blu-ray components. Mainly on the phone in the application. The software transmits to the display the data to reduce the blue data component proportionally, thus gives the feeling blue light ingredient to reduce.
Each of these methods has advantages and disadvantages, however, the blue light health display product because of the standard is not unified, the market rhetoric of the wind is very serious, even claimed that the blue light effect 80% or 90% (choose a favorable calculation method or sacrificing the color distortion and brightness), seriously interfere with the consumer's judgment, the health of the entire industry has produced adverse effects.
In the continuous display of health products to the market at the same time, lights more hope that the entire industry to pay attention to and unify the evaluation system of blue filter products, but also consumers clean, fair and transparent market, lights will spare no effort to work and contribute humble.