Design method and device of LED light-emitting chip and gray scale display circuit

The invention is suitable for the field of light-emitting diodes, and provides a design method and device of an LED light-emitting chip and a gray scale display circuit, and the method comprises the steps: firstly obtaining the gray scale data of the LED light-emitting chip; dividing the LED light-emitting chip into more than two sub-chips based on the gray scale data, wherein each sub-chip is independently controlled. By adopting a spatial modulation mode, the light-emitting area of the light-emitting diode is modulated, so that the gray scale control of the active LED array unit is realizedby utilizing the switching characteristics of discrete components, the gray scale display control efficiency is improved, and the gray scale display accuracy of the light-emitting diode is improved. 本发明适用于发光二极管领域，提供了一种LED发光芯片的设计方法、装置及灰阶显示电路，包括：首先获取LED发光芯片的灰度数据；然后基于灰度数据将LED发光芯片划分为两个以上子芯片，且每一子芯片独立控制；通过采取空间调制的方式，对发光二极管进行发光面积调制，以便于利用分立元件的开关特性实现主动LED阵列单元的灰度控制，提高了灰阶显示控制效率并提高了发光二级管灰阶显示的精确度。