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VESA DisplayID Standard Version 1.3
©Copyright 2007-2013, Video Electronics Standards Association Page 1 of 106
39899 Balentine Drive, Suite 125 Phone: 510 651 5122
Newark, CA 94560 Fax: 510 651 5127
VESA
®
Display Identification Data (DisplayID) Standard
Version 1.3
July 5, 2013
Purpose
This standard defines flexible data formats that organize interface and display configuration information
in a file stored in a display product. A host has access to the file over the video interface connection. The
host uses this data to automatically setup and optimize the video interface and image signals facilitating
plug and play operation with minimal or no user intervention.
Summary
This document describes the second-generation version of the VESA Extended Display Identification
Data (EDID) standard, now referred to as DisplayID. This standard is intended as a replacement for all
previous EDID versions. It contains several new features which better permit its use in a wide range of
applications; including PC monitors, consumer television products, embedded displays (e.g., notebook
LCD panels) and other display products. As in the original EDID Standards, the intent is to provide a
simple, compact data structure allowing information about the display currently in use by the system,
including model and specific unit identification information, colorimetry, basic feature support, and
supported timings and formats, to be supplied to the host video source over an appropriate
communications channel, such as VESA E-DDC. This information may then be used by the source to
automatically configure itself for optimum support of the display in question. The basic structure (or base
DisplayID) as defined by this standard is a variable length block of data of up to 256-bytes. It also permits
additional variable length blocks of up to 256-bytes, or “DisplayID Extensions,” to be added to the base
structure in those applications where it is desirable that additional information be provided by the display.
In version 1.2 of the standard, all of the 1.0 DisplayID feature set is retained and a provision to define a
fixed length DisplayID section has been added. Furthermore, usage of DisplayID sections as an extension
block to a base EDID structure is permitted to facilitate gradual transition to DisplayID from EDID.
Note: The DisplayID definition is not directly backward compatible with earlier EDID/E-EDID definitions, but does
carry over many data field definitions from those earlier standards. Several significant changes have been made,
however, and readers are strongly encouraged to familiarize themselves thoroughly with this document before
attempting to implement systems based on the VESA DisplayID Standard.
VESA DisplayID Standard Version 1.3
©Copyright 2007-2013, Video Electronics Standards Association Page 2 of 106
Table of Contents
Preface 7
Acknowledgements 8
Revision History 11
1 Overview 12
1.1 Summary 12
1.2 Background & Changes from Previous EDID Definitions 12
1.3 Standard Objectives 13
1.4 Reference Documents 13
1.5 General Notes 14
1.6 Terminology 14
1.7 Data Format Conventions 15
1.8 Conflicts between DisplayID and Interface Related Configuration Data 15
2 DisplayID Structure and Format Definition 16
2.1 Structure Version/Revision 18
2.2 Section Size 18
2.3 Product Type Identifier 19
2.4 Extension Count/ Section Flag 19
2.5 Checksum 19
3 Data Blocks – Description and Usage 21
3.1 Data Block Format and Definitions 22
4 Data Block Definitions 24
4.1 Product Identification Data Block 24
4.1.1 Manufacturer/Vendor ID 25
4.1.2 Product Code 25
4.1.3 Serial Number 25
4.1.4 Week and Year of Manufacture/Model Year 26
4.1.5 Size of Product ID String 26
4.1.6 Product ID String 26
4.2 Display Parameters Data Block 27
4.2.1 Image Size 27
4.2.2 Horizontal and Vertical Pixels (Native Format) 28
4.2.3 Feature Support Flags 28
4.2.4 Transfer Characteristic Gamma 29
4.2.5 Aspect Ratio 29
4.2.6 Color Bit Depth 30
4.3 Color Characteristics 30
4.3.1 Primary Definition and Ordering 31
4.3.2 White Point Definition and Ordering 32
4.3.3 Data Format 32
4.3.4 Standard Color Space Identification 32
4.4 Video Timing Modes 33
4.4.1 Type I Timing – Detailed 34
4.4.2 Type II Timing – Detailed 37
4.4.3 Type III Timing – Short 39
4.4.4 Type IV Timing – DMT ID Code 40
4.4.5 Type V Timing – Short Descriptor 41
4.4.6 Type VI Timing – Detailed Descriptor 42
4.5 Supported Standard Timing Modes 44
4.5.1 VESA Timing Standard 44
4.5.2 CEA Timing Standard 47
VESA DisplayID Standard Version 1.3
©Copyright 2007-2013, Video Electronics Standards Association Page 3 of 106
4.6 Video Timing Range Limits 49
4.6.1 Minimum Pixel Clock 50
4.6.2 Maximum Pixel Clock 50
4.6.3 Minimum Horizontal Frequency 50
4.6.4 Maximum Horizontal Frequency 50
4.6.5 Minimum Horizontal Blanking 50
4.6.6 Minimum Vertical Frequency 50
4.6.7 Maximum Vertical Frequency 50
4.6.8 Minimum Vertical Blanking 50
4.7 Product Serial Number 51
4.8 General Purpose ASCII String 51
4.9 Display Device Data 52
4.9.1 Display Device Technology 53
4.9.2 Display Device Operating Mode & Flags 54
4.9.3 Device Native Pixel Format 55
4.9.4 Physical Aspect Ratio and Orientation 55
4.9.5 Sub-pixel Information (Layout/configuration) 57
4.9.6 Horizontal and Vertical Dot or Pixel Pitch 57
4.9.7 Color Bit Depth 58
4.9.8 Response Time 58
4.9.9 Sub-pixel Layout Examples 59
4.10 Interface Power Sequencing Data Block 64
4.11 Transfer Characteristics Data Block 65
4.12 Display Interface Data Block 71
4.12.1 Interface Type/Number of Links or Channels 71
4.12.2 Interface Standard Version and Release Number 72
4.12.3 Supported Interface Color Depth 73
4.12.4 Supported Content Protection 74
4.12.5 Content Protection Standard Version and Release Number 74
4.12.6 Spread Spectrum Information 74
4.12.7 Interface Type Dependent Attribute 75
4.13 Stereo Display Interface Data Block 77
4.13.1 Stereo Interface Method Code 79
4.13.2 Field Sequential Stereo 79
4.13.3 Side-by-side Stereo 80
4.13.4 Pixel Interleaved Stereo 80
4.13.5 Dual Interface Left and Right Separate 81
4.13.6 Multi-view 82
4.13.7 Stacked Frame Stereo 82
4.13.8 Proprietary Stereo Interface Methods 83
4.14 Tiled Display Topology Data Block 84
4.14.1 Tiled Display and Tile Capabilities 85
4.14.2 Tiled Display Topology 86
4.14.3 Tile Location 87
4.14.4 Tile Size 88
4.14.5 Tile Pixel Multiplier & Tile Bezel Information 88
4.14.6 Tiled Display Topology ID 89
4.15 Vendor-Specific Data Block 90
5 Appendix A: DisplayID Example 92
5.1 DisplayID Example 1 (Version 1.0) 92
5.2 DisplayID Example 2 (Version 1.1) 94
6 Appendix B: DisplayID as an EDID Extension 98
7 Appendix C: CEA Data Block within a DisplayID Data Block 101
VESA DisplayID Standard Version 1.3
©Copyright 2007-2013, Video Electronics Standards Association Page 4 of 106
8 Appendix D: Type IV Timing Data Block Example 102
9 Appendix E: Stereo Display Interface Data Block Example 104
10 Appendix F: Contributors to Previous Versions 106
VESA DisplayID Standard Version 1.3
©Copyright 2007-2013, Video Electronics Standards Association Page 5 of 106
Tables
Table 1-1: Normative References 13
Table 1-2: Informative References 13
Table 1-3: Data Format Conventions 15
Table 2-1 : Variable Length DisplayID Section Structure 16
Table 2-2: Fixed Length DisplayID Section Structure 17
Table 2-3: DisplayID Base Structure Review 17
Table 2-4: DisplayID Extension Structure Review 18
Table 2-5: DisplayID Structure Version and Revision 18
Table 2-6: DisplayID Section Size 19
Table 2-7: DisplayID Product Type Identifier 19
Table 2-8: DisplayID Extension Count/Section Flag 19
Table 2-9: DisplayID Checksum 20
Table 3-1: Data Block Tag Allocation 21
Table 3-2: Data Block Format 22
Table 4-1: Product Identification Data Block 24
Table 4-3: Product ID Code Format 25
Table 4-4: Serial Number Format 26
Table 4-5: Week & Year of Manufacture or Model Year Format 26
Table 4-6: Product ID String and Size 27
Table 4-7: Display Parameters Data Block 27
Table 4-8: Image Size 28
Table 4-9: H & V Pixels (Native Format) 28
Table 4-10: Feature Support Flags 28
Table 4-11: Transfer Characteristic 29
Table 4-12: Aspect Ratio 29
Table 4-13: Color Bit Depth 30
Table 4-14: Color Characteristics Data Block Structure 30
Table 4-15: Ten-bit Binary Fraction Representation (Examples) 32
Table 4-16: Standard Color Space Identification 32
Table 4-17: Video Timing Modes Data Block 33
Table 4-18: Type I ‘Detailed’ Timing Data Block 34
Table 4-19: Type I Detailed Timing Descriptor 34
Table 4-20: Type II Detailed Timing Data Block 38
Table 4-21: Type II Detailed Timing Descriptor 38
Table 4-22: Type III Short Timing Data Block 39
Table 4-23: Type III Short Timing Descriptor 39
Table 4-24: Type IV Short Timing Data Block 40
Table 4-25: Type V Short Timing Data Block 41
Table 4-26: Type V Short Timing Descriptor 41
Table 4-27: Type VI ‘Detailed’ Timing Data Block 42
Table 4-28: Type VI Detailed Timing Descriptor 42
Table 4-29: Supported Video Timing Modes Data Block 44
Table 4-30: Supported VESA Timings Standard Data Block 45
Table 4-31: Supported CEA Timing Standard Data Block 47
Table 4-32: Video Timing Range Limits Data Block 49
Table 4-33: Serial Number Data Block 51
Table 4-34: General-Purpose ASCII String Data Block 52
Table 4-35: Display Device Data Block 52
Table 4-36: Display Device Technology & Sub-type Codes 53
Table 4-37: Device Operating Modes Codes (upper four bits of byte 04h) 54
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