The invention provides an intelligent flexible liquid crystal blackboard capable of realizing one-key erasing and local erasing. The blackboard comprises a shell, an infrared touch screen and a flexible writable liquid crystal screen of which the shape is matched with the shape of the infrared touch screen, wherein the infrared touch screen comprises a border, a PCB (Printed Circuit Board) control board arranged in the border, and a main control panel arranged on the lower part of the boarder; and the surface of the main control panel is provided with a network state lamp, a work indication lamp, a power-on indication lamp, a battery electric quantity lamp, a saving key, an erase key and a power key and also comprises a main control chip, a power, a boosted circuit unit, a voltage stabilizing circuit unit, a memory, an SD (Secure Digital) card, a wireless transmitting unit, a 74HC595 chip and a bridge type driving circuit unit, wherein the main control chip, the power, the boosted circuit unit, the voltage stabilizing circuit unit, the memory, the SD card, the wireless transmitting unit, the 74HC595 chip and the bridge type driving circuit unit are arranged in the main control panel. The design has the advantages of good use effect, relatively simple structure and principle, convenience in operation, easiness in handling and relatively low energy consumption and is suitable for popularization and use on a large scale.

本发明提供一种可实现一键擦除和局部擦除的智能柔性液晶黑板，包括壳体、红外式触摸屏以及与红外式触摸屏形状匹配的柔性可书写液晶屏；红外式触摸屏包括边框、设置于边框中的PCB控制板以及设置于边框下部的主控制面板；在主控制面板表面设置有网络状态灯、工作指示灯、上电指示灯、电池电量灯以及保存键、擦除键和电源键；还包括设置与主控制面板中的主控芯片、电源、升压电路单元、稳压电路单元、存储器、SD卡、无线发送单元、74HC595芯片以及桥式驱动电路单元；本设计可以达到很好的使用效果，且结构以及原理相对简单，操作简易，易上手，且耗能量相对较低，适合大量推广使用。