To solve the problems such as angle of view, not flexible of LCD and high voltage, discommodity of CRT, it is necessary to develop electronic paper.

• CRT(阴极射线管)LCD液晶显示)等显示器,不同程度地存在亮度、视角和携带不便、高电压等问题,只能通过研制电子纸显示器解决。