Below is a typical reference datasheet layout for a type connector: Pin Number Signal Name Description 1 No Connection 2 - 3 ID_VCC / Reserved Panel Electronic ID Power / Reserved 4 No Connection 5 I2C Clock Control Line (EDID) 6 I2C Data Control Line (EDID) 7 No Connection 8 Odd Pixel Data Channel 0 (Negative) 9 Odd Pixel Data Channel 0 (Positive) 10 Odd Pixel Data Channel 1 (Negative) 11 Odd Pixel Data Channel 1 (Positive) 12 Odd Pixel Data Channel 2 (Negative) 13 Odd Pixel Data Channel 2 (Positive) 14 15 Odd Pixel Clock Channel (Negative) 16 Odd Pixel Clock Channel (Positive) 17 18 Odd Pixel Data Channel 3 (Negative) - Used for 8-bit/10-bit 19 Odd Pixel Data Channel 3 (Positive) - Used for 8-bit/10-bit 20 Even Pixel Data Channel 0 (Negative) 21 Even Pixel Data Channel 0 (Positive) 22 Even Pixel Data Channel 1 (Negative) 23 Even Pixel Data Channel 1 (Positive) 24 Even Pixel Data Channel 2 (Negative) 25 Even Pixel Data Channel 2 (Positive) 26 27 Even Pixel Clock Channel (Negative) 28 Even Pixel Clock Channel (Positive) 29 30 Even Pixel Data Channel 3 (Negative) 31 Even Pixel Data Channel 3 (Positive) 32 - 33 No Connection 34 35 Automatic Gain Control (Optional) 36 NC / Format JEIDA / VESA Data Format Selection 37 Write Protect for EDID 38 - 43 Shielding Ground / System Ground 44 No Connection 45 - 47 System Ground 48 - 51 Power Supply Input (+12V or +5V Typical) Decoding the Signal Clusters
The extra pins are required to carry additional differential clock and data lanes to handle the massive bandwidth required for these high pixel counts. AliExpress Anatomy of a Common 51-Pin LVDS Pinout must always refer to your panel's specific PDF datasheet