How to solve the problem of light pollution prevention and control in LED display screen design

Time:2018-11-29 Views:139

Speaking of the light pollution problem of LED display screen, we must consider when designing LED display screen.At present, LED screen light pollution is generally divided into three categories: white light pollution, artificial daylight pollution and color light pollution.At present, China only has relevant regulations on the white light pollution of the glass curtain wall, and there are no relevant regulations on artificial daylight and color light pollution.However, considering that color light pollution does cause discomfort to people, we need to solve the problem of light pollution prevention and control in LED display screen design.

1. Adopt a brightness adjustment system that can be automatically adjusted by the system

We know that the brightness of the environment varies greatly at different times and places, day and night. If the playing brightness of LED screen is greater than 60% of the ambient brightness, we will obviously feel that our eyes are not adapted to it, which means that it causes light pollution to people.Through the outdoor brightness acquisition system, the ambient brightness is collected at any time.The display plane control system automatically converts the broadcast brightness suitable for the environment through receiving system data and software.

Second, multi-level gray correction technology

Ordinary display systems use an 8-bit color display hierarchy, so that the color is stiff at some low grayscale and color transitions.Also can cause chromatic light not to adapt.The new LED large-screen control system adopts 14bit color display hierarchy, greatly improving the hardness of color in transition.Make people can feel color is downy when watching, avoid people to the uncomfortable feeling of light.

Iii. Reasonable selection of installation location and reasonable planning of display area

There is an experiential planning of viewing distance and viewing Angle and display area, and image research has specific design requirements on viewing distance and viewing Angle of display screen.Screen design should be as far as possible to meet the design requirements, reasonable planning.

Iv. Selection and design of playing content

LED large screen is the public media, there are public welfare, advertising, instruction and so on.When we choose what to broadcast, we must reach an agreement with the public and avoid the mentality of refusing to watch it.This is also an important aspect to prevent and control the light pollution of the display screen.

LED diode itself is a green light source. Although it does cause a certain degree of color light pollution on the large and huge LED display screen with cluster application due to design considerations and application requirements, this contradiction is inevitable and cannot be completely eradicated.Only by adopting technical means and policies and regulations can we minimize the pollution of colored light and coordinate the needs of advertisers and the psychology of the public.At the same time, we also see that compared with today‘s neon lights and white light box advertising, LED screen light pollution has been greatly reduced.LED electronic display also has the advantages of energy saving and rich color, will be a comprehensive replacement for neon outdoor lighting, information display.