led显示屏灰度的决定因素有哪些？ - 屏聚

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led显示屏灰度的决定因素有哪些？

September 16, 2020

LED显示屏灰度也就是所谓的色阶或灰阶，是指亮度的明暗程度。对于数字化的显示技术而言，灰度是显示色彩数的决定因素。一般而言灰度越高，显示的色彩越丰富，画面也越细腻，更易表现丰富的细节。

LED显示屏的灰度决定因素

LED显示屏灰度等级主要取决于系统的A/D转换位数。当然系统的视频处理芯片、存储器以及传输系统都要提供相应位数的支持才行。目前国内LED显示屏主要采用8位处理系统，也即256（28）级灰度。简单理解就是从黑到白共有256种亮度变化。采用RGB三原色即可构成256×256×256=16777216种颜色。即通常所说的16兆色。国际品牌显示屏主要采用10位处理系统，即1024级灰度，RGB三原色可构成10.7亿色。

灰度虽然是决定色彩数的决定因素，但并不是说无限制越大越好。因为首先人眼的分辨率是有限的，再者系统处理位数的提高会牵涉到系统视频处理、存储、传输、扫描等各个环节的变化，成本剧增，性价比反而下降。一般来说民用或商用级产品可以采用8位系统，广播级产品可以采用10位系统。

声明：转载此文是出于传递更多信息之目的。若有来源标注错误或侵犯了您的合法权益，请与我们联系，我们将及时更正、删除，谢谢。

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