What light is best to read a book! What kind of light is best to read?

Whether the study lamp uses warm light or white light, there is no problem, as long as the light is stable and the color temperature is within the range, you can look comfortable by yourself.

1. White light

Most people have a stronger adaptability to white light, and many people are entangled in whether to use white light or warm light for desk lamps, mainly because of the dazzling light and causing different choices, that is, color temperature, and the level of color temperature also determines the ability of table lamps to protect their eyes.

In fact, white light reading is more eye protection, as long as the light height is adaptable, not too short or too tall, within the acceptable range of human eyes, not yellow light must protect the eyes, everyone should also look at the problem of eye protection rationally.

2. Warm light

Warm light is also called yellow light, generally yellow light is energy-saving lamp, radiation is small, reduce the cost of electricity, especially for long-term use of desk lamp people, yellow light and white light energy consumption and energy saving more than a little.

For most people, the use of white or warm light for lamps depends on the space, and yellow light is preferred in the bedroom and living room, because it is more warm and emotional.

How to protect your eyes when reading a book:

1. When reading a book, the posture should be correct, and the neck and back should not be too bent, otherwise the bones will be deformed after a long time. When walking, it is certainly not advisable to read a book when lying down. Not only is this uncomfortable, but it can also damage the eyes.

2. When reading, keep at least one foot away from the book with your eyes, and if you are really uncomfortable, you can get close to it appropriately, but not too close.

3. Don't read in a place where the light is too dark. When the light is too dim, especially if it's too dark to read the words in the book, stop.

Warm white light is better. The common blueness of white light (excessive color temperature) can hurt the eyes.

It is not harmful to the eyes and is related to brightness and stroboscopic light, if you use electronic ballast energy-saving lamps, it is better for the eyes.

LED lighting is generally divided into two types: cold white light and warm white light, the color temperature of cold white light is 5000K-8000K, and the higher the color temperature. The whiter the light color, the ordinary light is cold white light, and the color temperature is about 5500K;

The color temperature of warm white light is 2500K-4500K, and the lower the color temperature, the more yellow the light color is. For example, household incandescent light bulbs are warm white light, and the color temperature is about 3000K.

In fact, high-quality incandescent lamps, CFLs and LEDs are suitable for reading, and the following is a brief description of the characteristics of several lamps

1. Incandescent lamp: Incandescent lamp is the closest electric light source to natural light, and the color temperature is usually between 2700K and 4000K. Since the grid frequency of 50Hz is much higher than the response of the human eye and the inertia of the filament after being ignited to cooling, the strobe can be ignored when the grid is stable.

The advantage is that the color rendering is good, the theoretical value is close to 100, which can perfectly restore the original color of the object. The disadvantages are power consumption, low photoelectric conversion efficiency, short life, and infrared and UV content.

The halogen lamp is an improved version of the incandescent lamp, which is filled with halogen gas in the vacuum bubble to realize the halotungsten halogen circulation of the filament and the gas, which greatly prolongs the life of the filament and perfectly inherits the color rendering of the incandescent lamp.

2. Energy-saving lamps: CFL (compact fluorescent lamps, in fact, it is a little unscientific to call this kind of lamp energy-saving lamps in China.) CFL is a great invention in the field of electric light sources, characterized by the fact that it can be made at any color temperature and has high color rendering, and the strobe can be ignored due to the glow effect of phosphors (which is a problem at too low temperatures).

The advantage is that the light efficiency is high, such as 11W CFL can completely replace 60W incandescent lamp, and the color rendering of CFL using trichromatic phosphor can reach more than 80, and some high-end products can also reach more than 90. The disadvantage is that the fluorescent tube is full of mercury vapor, and how to protect the environment in manufacturing and ** is a big problem, and some responsible manufacturers use mercury pills in the tube (haha, suspected advertising), which partially solves this problem.

Energy-saving lamps are cost-effective light sources that are easy to buy on the market at this stage.

3. LED: Due to the different luminous principles, LED completely eliminates flicker and has the potential to pursue higher light efficiency and high light efficiency.

The advantages are small size, no flicker, no UV, high light efficiency, and the color rendering of products using high-quality chips (OSRAM, Nichia, Cree) can exceed 80 or even 95 and have a long life. The disadvantage is that the current national standard has not been determined, the products on the market are extremely chaotic, and most manufacturers use inferior chips resulting in less than 50 color rendering....And due to the poor driving appliances used, there are differences in the power supply of LED chips, and there are problems such as poor brightness and flickering of chip arrays.

Hello dear. I'm glad to answer for you: it's more suitable to read in the warm white light "Learn to read with the best warm white light, high color rendering index, color temperature value of about 3000, closest to the sunrise and sunset of the daylight, the light is the most soft and smooth, so as to protect the eyes.

The color temperature of white light is about 600, close to the noon sun, which is dazzling and easy to cause eye fatigue. Not to mention yellow light, as a single color of colored light, it can only be used for decoration and lighting aids. Question three:

Is it better to use warm white light or white light for reading A warm light is better for reading, and warm light looks more comfortable.