How to choose indoor LED display? These five considerations must be taken into account

  Now more and more led The display enters the room , Especially large hotels and supermarkets are very popular with advertisers . that , What are the requirements for choosing an indoor full-color screen in a large hotel ？

 

In an indoor environment , The area exceeds 5 Square large full-color LED There are three main options for the display ： Ordinary rear projection projector 、DLP ( Digital LCD rear projection projector ) and LED display .

 

The advantage of back projection display is small pixels 、 High definition 、 Low brightness 、 Small Perspective 、 The service life of lens lamp is short ( Only a few thousand hours ). The advantage of plasma splicing is also that the pixels are small , High resolution , The disadvantage is spelling , Now the minimum spelling is 1mm.

 

Back projection and plasma display are more suitable for close viewing .

 

led The advantage of the display is high brightness , No spelling mistakes , Pixel particle thickness , Low definition . Now commercialized indoor full-color led Density of the display z by P4, namely 62500 Pixels / rice 2.led The display screen is suitable for viewing indoor places in the distance .

 

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World window intelligence

】 Tell us to choose LED Precautions for display

 

selected LED Indoor display , Mainly consider from the following points ：

 

1, Actual pixels and virtual pixels . Same as outdoor full-color screen , The number of pixels of the indoor panchromatic screen is also divided into actual pixels and virtual pixels .

 

2, The core . A good die can guarantee LED The quality of the

 

3, Package form . indoor LED Of the display LED The surface form has a single lamp 、 The second table 、3in1 Tables, tables, etc , The appearance is also different . The advantage of surface mount packaging is that it has a large perspective , Good light matching , Automatic welding processing is easy , It's panchromatic LED The mainstream products of panel , But now the price is relatively high . The angle of view of a single lamp is relatively small , Slightly higher brightness , The price is low . Yabiao paste is actually a kind of single lamp . The pasting of single lamp and auxiliary console is cheap 、 Transitional products .

 

4, Density indoor full color LED The chip has a high heating capacity , High density of control circuit , So now the dot density of commercial full-color screens is not very high .

 

5, Driving mode . Indoor full color LED The driving mode of the display screen is constant current drive , Dynamic scanning mode is adopted ( Mainly 1/4、1/8 And so on ). The tube cores are the same ,1/4 There are many circuits for scanning , Brightness also increases .