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LED Display Kit Manufacturer: Technical Specifications of LED Displays
Time:
2022-04-25 13:46
Author:
Web scraping
LED display panel manufacturers introduce that LED displays are a new type of imaging electronic device, composed of LEDs arranged in a specific sequence. Thanks to their high brightness, wide viewing angles, and long service life, they are widely used in outdoor advertising screens and other applications. So, do you know what technical specifications LED displays typically include? Let’s take a look!
LED display kit Manufacturer’s introduction: An LED display is a cutting-edge imaging electronic device composed of LEDs arranged in a specific sequence. Thanks to its high brightness, wide viewing angle, and long service life, it is widely used in outdoor advertising screens and other applications. So, do you know what technical specifications an LED display typically includes? Let’s take a look!
LED display module manufacturers introduce the five key technical parameters of LED displays: pixel failure rate, grayscale, control mode, grayscale non-linear correction, and drive mode, as follows:
(1) Pixel failure rate
Refers to the proportion of pixels—the smallest imaging units on a display—that are malfunctioning (out of control).
(2) Grayscale Levels
LED display kit manufacturers refer to brightness levels, also known as grayscale. These are primarily used in three modes for image transmission: 16-level, 32-level, and 64-level. By employing matrix processing, the pixel data is converted into these gradations, resulting in sharper, clearer images during transmission.
(3) Control Method
Based on the networking method, systems can be categorized into networked and standalone versions. The networked version, also known as an LED information‑display control system, allows remote management of individual LED terminals via a cloud‑based platform. The standalone version is referred to as an LED display controller or an LED display control card.
(4) Nonlinear Gray-Scale Transformation
The LED display module manufacturer explains that grayscale nonlinear transformation involves applying a transformation to grayscale data—based on empirical data or a specific nonlinear functional relationship—and then transmitting the transformed data to the display for rendering. Typically, this nonlinear transformation of grayscale data is performed in the downstream stage of the LED display system, resulting in an increased number of bits in the output data.
(5) Drive Method
Common driving methods include constant‑voltage drive and constant‑current drive. In constant‑voltage drive, a steady voltage is applied to illuminate the display, while in constant‑current drive, a constant current is used to achieve the same effect.
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