Home / Standards / GB 21520-2023 GB 21520-2023 Active Minimum allowable values of energy efficiency and energy efficiency grades for displays 显示器能效限定值及能效等级 Standard Type GB ICS 27.010 CCS F01 Status 现行 Issue Date 2023-05-23 Implementation 2024-06-01 Responsible Dept 国家标准委 Drafting Unit N/A