Performance requirements for desk lamps

When the writing desk lamp is in the normal working position, the main optical performance requirements are three points
(1) Shading
In a normal sitting position, the human eye should not see the inner wall of the lampshade and the light source when looking horizontally;
(2) Desktop illumination requirements
The working area illuminated by the table lamp should be 250lx-500lx, and the low illumination should be ≥ 120lx.
(3) Illumination uniformity requirements
It should be ensured that the illuminance in the working area illuminated by the desk lamp is relatively uniform, and can not produce particularly bright or dark spots, only to ensure these three basic optical performance requirements, in order to alleviate eye fatigue, can be called a desk lamp.
Style style
According to the style classification: modern table lamps, antique table lamps, European table lamps, Chinese table lamps, luxury, simplicity, fashion, etc.
According to the material classification: hardware table lamp, resin table lamp, glass table lamp, crystal table lamp, solid wood table lamp, ceramic table lamp and so on.
Advantages and disadvantages of different desk lamps:
1. Advantages of wrought iron table lamp: fashionable, modern, diverse shape, suitable for decoration versatile, low price. Disadvantages: easy to rust.
2. Advantages of crystal table lamp: suitable for luxury decoration, beautiful, classy, large size, heavy and luxurious. Disadvantages: fragile, high price.
3. Wood table lamp: advantages: classical, simple shape, suitable for Chinese decoration, moderate price. Disadvantages: easy to break, fade, open glue.
4. Advantages of acrylic table lamp: small size, low price, easy to carry. Cons: Not classy.
5. Advantages of resin table lamp: suitable for European style decoration, complex lamp body structure, noble and elegant style. Disadvantages: easy to fade over time, high price.
6. Advantages of jade table lamp: exquisite and clear, high collection value Disadvantages: high price, fragile.
7. Advantages of ceramic table lamp: art, classical, diverse styles, strong ornamentation, durable, moderate price. Cons: Fragile.