SJ/T 11981-2025 UHD Vehicle Display Requirements

Standard Catalog

The standard consists of the following main sections:

• 1 Scope 1

• 2 Normative References 1

• 3 Terms and Definitions 2

• 4 General Requirements 2

• 4.1 Operating Conditions 2

• 4.2 Graphical Symbols 2

• 5 Technical Requirements 2

• 5.1 Appearance and Structural Requirements 2

• 5.2 Basic Functional Requirements 2

• 5.3 Display Format 3

• 5.3.1 Display Format Requirements 3

• 5.3.2 Supported Input Image Formats 3

• 5.3.3 Supported Computer Display Formats 3

• 5.4 Interface Types 3

• 5.5 Performance Requirements 4

• 5.5.1 Display Performance Requirements 4

• 5.5.2 Power Requirements 6

• 5.5.3 Audio Performance Requirements 6

• 5.6 Remote Control Reception Performance 7

• 5.7 Remote Control Transmitter Performance 7

• 5.8 Electromagnetic Compatibility Requirements 7

• 5.9 Reliability Requirements 8

• 5.10 Environmental Adaptability 8

• 5.10.1 General Provisions 8

• 5.10.2 Electrical Load 8

• 5.10.3 Mechanical Load 9

• 5.10.4 Climatic Load 10

• 5.11 Product Instructions 10

• 6 Test Methods 10

• 6.1 Appearance and Structure Inspection 10

• 6.2 Unpacking Inspection 10

• 6.3 Functional, Interface and Display Format Verification 10

• 6.4 Normal-Temperature Performance Measurement 11

• 6.4.1 General Notes 11

• 6.4.2 Black Field Non-Uniformity 11

• 6.4.3 Integrated Black Colour Difference 12

• 6.4.4 Surface Reflectance 12

• 6.4.5 Chromaticity Accuracy 13