This article mainly discusses the change of the incandescent lamp display screen into LED gray-scale screen, which displays both digital information and analogue pictures.
本文主要论述了如何将老式白炽灯显示屏改造成，既可以显示数字信息，又可以显示模拟图像信息的LED灰度屏的设计方案。
All-color LED digital tube and all-color outdoor display screen are now used in the motion advertisement, gradually taking the place of neon light.
全彩led数码管，全彩户外显示屏，正在逐步替代霓虹灯，运用于动态广告牌上。
All-color LED digital tube and all-color outdoor display screen are now used in the motion advertisement, gradually taking the place of neon light.
全彩led数码管，全彩户外显示屏，正在逐步替代霓虹灯，运用于动态广告牌上。
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