Devices
The UHD Alliance supports various display technologies and consequently, have defined combinations of parameters to ensure a premium experience across a wide range of devices. In order to receive the UHD Alliance Premium Logo, the device must meet or exceed the following specifications:
Image Resolution: 3840x2160
Color Bit Depth: 10-bit signal
Color Palette (Wide Color Gamut)
Signal Input: BT.2020 color representation
Display Reproduction: More than 90% of P3 colors
High Dynamic Range
SMPTE ST2084 EOTF
A combination of peak brightness and black level either:
More than 1000 nits peak brightness and less than 0.05 nits black level
OR
More than 540 nits peak brightness and less than 0.0005 nits black level
Distribution
Any distribution channel delivering the UHD Alliance content must support
Image Resolution: 3840x2160
Color Bit Depth: Minimum 10-bit signal
Color: BT.2020 color representation
High Dynamic Range: SMPTE ST2084 EOTF
Content Master
The UHD Alliance Content Master must meet the following requirements:
Image Resolution: 3840x2160
Color Bit Depth: Minimum 10-bit signal
Color: BT.2020 color representation
High Dynamic Range: SMPTE ST2084 EOTF
The UHD Alliance recommends the following mastering display specifications:
Display Reproduction: Minimum 100% of P3 colors
Peak Brightness: More than 1000 nits
Black Level: Less than 0.03 nits
The UHD Alliance technical specifications prioritize image quality and recommend support for next-generation audio.
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