I believe that many parents have the experience of helping their children buy table lamps, but I don't know if you know that there are many table lamps on the market that are of unqualified quality. In a CCTV program, it has been exposed that many LED desk lamps have serious unqualified situations, although the current desk lamp will implement compulsory product certification, and will conduct various sampling inspections from time to time, but there are still many products without compulsory certification on the market, resulting in many families stepping on the thunder eye protection desk lamp many times, annoyed.
As an item for long-term use by children, those businessmen who do shoddy and low-quality are really hateful. Therefore, the main purpose of this time is to help everyone who wants to buy an eye-friendly desk lamp (including students, children, families, parents, office people, etc.) to help you quickly understand everything about the current eye-protecting table lamp!
The most complete eye-care table lamp knowledge popular science column.
1.The difference between straight and side illumination.
Side light is more suitable for learning and Xi than direct light.
Straight light: The straight light emitting panel has no light guide plate in the structure, because there is no refraction of the reflective film of the light guide plate, so the light will be illuminated by direct downward illumination of the strong light, and usually the LED lamp beads of the straight light emitting panel are spaced more than a large interval, and the light emitting point of the lamp beads will be clearly seen.
Side light: The side light is added to the structure, and the reflective film of the light guide plate is refracted by the light guide plate, and the light will be illuminated in the way of diffusion around, which not only has a larger lighting area, but also makes the light softer. Because of the side-lit structure, the spacing of LED lamp beads must also be uniform and dense, so that no obvious light spots can be seen, and the vision is more comfortable.
2.Gb. 
The current eye-protection table lamp will emphasize the "national standard", but everyone does not understand what this national standard refers to. In fact, the national standard is the "standard for reading and writing desk lamps", which is the product certification and performance requirements that all Xi desk lamps must be mandatory to implement, and the specific indicators are "illumination, uniformity, shading, blue light, strobe, color rendering, power, etc." Because the specific standards are grade A and AA grade, it is usually referred to as national A level or national AA level.
3.Illuminance. 
lux is a universal unit that represents illuminance, and simply understood, the higher the value of illuminance, the brighter it is. The illumination suitable for the needs of Xi is usually 300-500lux, it should be noted that the illumination should not be too high, too high illumination will seriously affect the eyes, and the relevant requirements for illumination in the national standard are also divided into grade A and AA.
4.Color development. 
The color rendering index is usually used in RA, and the higher the color rendering index, the more realistic and natural the colors of the illumination. The natural light color rendering index of the sun is RA100, that is, the most real and natural lighting color effect, so the color rendering index is closer to RA100, the better, at present, the color rendering index is required by the national standard to be RA80 or more, but at present, most of the color rendering value of the eye protection table lamp must reach RA90 or above, so it is best to choose a table lamp with a color rendering value of more than RA90.
5.Blu-ray. 
There is blue light everywhere in daily life, but not all blue light is harmful, only the wavelength between 400nm-480nm is harmful blue light, although we still don't understand it, but in fact, we don't need to understand the knowledge of blue light wavelength. Because there is a clear requirement in the national standard, the table lamp must reach the RG0 exemption level, and the RG0 exemption level has no blue light, which means that the lamp will not cause any harm under the defined limit conditions.
6.Strobe. 
At present, artificial light sources are all strobes, because the luminous flux will fluctuate at a certain frequency, but the strobe above 80Hz is not easy to detect by the human eye, just like when the car tires are rotating rapidly, it looks like it is stationary or slowly turning. When the strobe is too high or too low, even if the eye cannot perceive it, it will affect people's vision, mood, sleep and other conditions, so the requirements for strobe in the national standard are 3125hz, and if you meet the requirements, you can be called no ** flash.
7.Temperature. 
I believe that many family lamps now have yellow lights and white lights, and color temperature is a unit of measurement for the color component in the light, and the unit of measurement is "k". The lower the color temperature, the warmer the light, and too low a color temperature will give people a stuffy feeling;The higher the color temperature, the colder the light, and if the color temperature is too high, there will be a gloomy atmosphere. The best color temperature for Xi is 4000K, and the light is a warm white color, just like the sun at 10 o'clock in the morning.
The best eye-protecting table lamp is recommended.
1.Scholar eye protection desk lamp pro
User experience: The only table lamp that realizes eye protection and eye protection, effectively reduces the risk of myopia by 92% and improves vision health.
Recommended:
Suker Shuke is currently the ceiling in the industry, with 15 hard-core black technologies, the main RRT red light eye-catching technology, subverting the concept of traditional eye-protecting table lamps in the past, and protecting eyes at the same time is more eye-catching. It has been deeply tested and recommended by the professional team of Dr. Lilac, and has been rated as an "industry benchmark product" by many ophthalmologists and **, which is better than 110% of the national AA standard!
The Chinese Academy of Sciences and many foreign research institutes have conducted in-depth research on why outdoor exercise can be effective in alleviating myopia, and then found that sunlight contains "red light", and receiving red light for 3 minutes a day can significantly improve vision health. Suker has been deeply cultivating artificial natural light, developed RRT red light eye care technology, and with the self-developed Sunbeam solar lamp beads, the blue light is eliminated and the beneficial red light is supplemented, when the retina is affected by beneficial red light, the oxidase in the cytochrome will continue to increase, thereby stimulating eye vitality and promoting blood circulation!It can effectively alleviate eye fatigue by 83% and reduce the risk of myopia by 92%!
In order to focus on the ultimate safety and health eye protection, Shuke cut off redundant functions and useless designs, and purely stumbled on high-level health and eye protection, focusing on several years of research and development, and iteratively upgrading more than 20 times!Optimized more than 100 light source details!To create a level that is safe enough not to hurt the eyes, as well as uniform light, high refraction efficiency of the light source, precise light control, etc., greatly improves the quality of the light source and eye protection effect, and the safety performance is more reliable!
Under the core premise of "eye protection", its core parameters far exceed those of the national AA, and meet the high standards and high requirements of RA98 high color rendering, RG0 no blue light, anti-glare and anti-stroboscopic flicker. At the same time, it is equipped with a series of functional technologies designed for ophthalmological Xi, such as induction light and ghost-free back light.
2.BenQ mindduo table lamp.
User experience: Provides oval-shaped lighting to fit the shape of the desk and reduce ambient light spots.
Recommended:
Different from the common long and round lamp heads, BenQ mindduo chooses a design that is upturned at both ends, so the light provided also presents an oval area, which can better fit the shape of the desk and reduce the ambient light spot, creating a more suitable light path. At the same time, the ambient light sensor and infrared sensor are also designed on the light source surface**, which will automatically turn on when used closely, and realize intelligent dimming when in use.
And the overall feeling of use, although the quality is indeed in place, but relatively speaking, the function is still relatively small, and the high ** is also a shortcoming.
3.Philips Xuantan table lamp.
User experience: The high-density array light guide design prevents the light source surface from being too dazzling and improves the uniformity of light.
Recommended:
On the light-emitting surface, the high-density array light guide design is carried out, which looks densely covered with particles, and this design can prevent the light source surface from being too dazzling and improve the uniformity of light. Philips Xuantan can also support intelligent dimming, real-time perception of brightness changes, automatic adjustment of brightness, and in addition to intelligent dimming, it also supports seat sensing, which automatically senses the light to be turned on within 50cm.
It supports 40-minute rest reminder, 30-second delay to turn off the lights and three color temperature modes, and can also manually slide the touch bar to dim the light, but when shooting the desk lamp, it was found that the touch bar has a more obvious strobe.
4.Xiaomi Philips Reading and Writing Desk Lamp.
User experience: Double anti-glare technology is adopted to reduce the disturbance of glare and improve the comfort during use.
Recommended: Xiaomi Philips Reading and Writing Desk Lamp is a product produced by Xiaomi Mijia, although it is not the best desk lamp on the whole, but the overall feeling of use is also relatively OK, and it can also be connected to the Mijia app and Mijia devices for interconnection.
The main feature is that the Xiaomi Philips reading and writing desk lamp adopts double anti-glare technology to reduce the disturbance of glare, improve the comfort of use, and design an efficient reflection system, which can filter the strong reflection brought by light lighting, especially for the easy-to-reflect material such as written or glass surface, in addition, the second is the use of physical shielding, directly creating a unique grid grid on the light source surface, reducing light exposure to the eyes.
5.NVC Galaxy table lamp.
User experience: Sunlight LED optical chip is used to reduce the wavelength of blue light.
Recommended: NVC Galaxy uses Sunlight LED optical chips to reduce the wavelength of blue light from the root, thereby reducing damage to the retina. In addition, the upper and lower light projection design is adopted to make a certain amount of light to the top, which can reduce the local light perception during night lighting, and can also be used as a night light. In the center of the base, there is an intelligent light-sensing module, which automatically dims the light according to the light and balances the comfort of the eyes.
In addition, the chassis uses T25 tempered glass, 45 timing, intelligent memory, 60 seconds delay to turn off the light, up and down light function in the touch panel.