What is the general aspect ratio of LED display screen?

At present, the popular ratio is16: 9;

Of course, this is not necessary, sometimes according to the situation on the spot, 4: 3 is fine;

In some open places, 2: 1 can get better results;

LED？ , light emitting diode (short for light emitting diode). It is a diode made of gallium (Ga), arsenic (As), phosphorus (P), nitrogen (N) and indium (In) by controlling the display mode of a semiconductor light-emitting diode. When electrons and holes recombine, they can emit visible light, so they can be used to make light-emitting diodes.

Used as an indicator light in circuits and instruments, or as a text or digital display. Gallium arsenide phosphorescent diodes emit red light, gallium phosphide diodes emit green light, silicon carbide diodes emit yellow light, and indium gallium nitride diodes emit blue light.

Extended data

function

1, which can promote commodities and attract customers.

2. Play the role of store decoration, and improve the enterprise grade.

3, play the role of lighting, unconventional.

4. Play the role of popularizing knowledge. (Can be used to play small information about enterprise products and knowledge of related industries)

5. Play the role of bulletin board. (Promotion, recruitment information release)

6. Play a role in setting off the atmosphere. Through the display screen, you can play the welcome speeches of superior leaders and various VIPs, and the celebration speeches of various major festivals.

7, play a warning role, often used for road traffic guidance and navigation instructions.

Undeniably, the ultimate goal of setting up billboards is to publicize product information, attract target customers and get the maximum profit as much as possible. And LED billboards are the first choice for enterprises to promote this goal.

Baidu encyclopedia -led display screen