Home / Standards / GB/T 43590.502-2024 GB/T 43590.502-2024 Active Laser display devices—Part 5-2: Optical measuring methods of speckle contrast 激光显示器件 第5-2部分:散斑对比度光学测量方法 Standard Type GBT ICS 31.120 CCS L53 Status 现行 Issue Date 2024-03-15 Implementation 2024-07-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A