In today's LED display market, there are thousands of LED display suppliers. It's inevitably a real change to choose the right LED display from so many kinds and resources of LED screens. Due to lack of knowledge of LED displays, consumers often judge the quality of LED screens by specifications listed on data sheet and something. It is difficult to buy a high-quality LED display that way. Here a few tips for how to buy high-quality LED display.

1. LED lamp: A key factor affect the overall performance is a single LED lamp. It is the basic unit that makes up of a whole image. The uniformity, stability, and reliability of every single LED lamp is crucial to imaging performance and longevity of an LED display. The size of an LED lamp also influences pixel pitch, and therefore it is a determinant of resolution and image quality. The luminous efficiency of the LED lamp affects the total power consumption, affects your daily costs and the thermal management of installation. The quality of LED lamps determines the brightness and quality of an LED display. LED screen manufacturers often choose higher quality LED lamps for upper product lines.

2. Drive circuit: The second key factor is the design of LED drive circuit, which will affect the reliability, power performance and quality of image reproduction of an LED display. LED display manufacturers have an option of adopting external supplies or internal research and development of their own. The performance of those drive circuit might differ from one another. Excellent circuit design is also an important factor to select the high-quality LED display from various LED screens. 

3. Machine design: Machine design is highly related to connection and installation. which is crucial to splice crevice and surface evenness. For the requirements of front maintenance, excellent machine design of LED displays are placed more importance.