51 Pin Lvds Pinout Datasheet ✭
For an 18-bit or 24-bit color display (Single Link):
A "51-pin LVDS" connector is commonly used to carry multiple LVDS differential pairs (video channels), control signals, and power between a display panel (often in laptops, tablets, or industrial panels) and a driver board. The exact pinout is manufacturer- and panel-specific; there's no single universal standard for 51-pin layouts, though many panels follow broadly similar groupings (video lanes, clock, power rails, backlight control, and I2C/EDID).
A true 51-pin LVDS datasheet is panel-specific, not connector-specific. For complete timing and pinout, obtain the panel's datasheet from: 51 pin lvds pinout datasheet
Example real panel: NEC NL192120BC25-02 – 19.2" 1920x1200, 51-pin LVDS, uses exactly the pinout described in section 2.
Modern 51-pin panels often integrate capacitive touch. For an 18-bit or 24-bit color display (Single
Before analyzing the 51 pins, we must understand the protocol. Low-Voltage Differential Signaling (LVDS) is a high-speed digital interface standardized in TIA/EIA-644.
The "51-pin" refers to the physical connector shell, usually a DF9-51 series (Hirose) or compatible flat cable connector. Example real panel: NEC NL192120BC25-02 – 19
| Pin # | Signal Name | Description | Pin # | Signal Name | Description | | :--- | :--- | :--- | :--- | :--- | :--- | | 1 | RXO0- | Ch 0 Data Out- | 2 | RXO0+ | Ch 0 Data Out+ | | 3 | RXO1- | Ch 0 Data Out- | 4 | RXO1+ | Ch 0 Data Out+ | | 5 | RXO2- | Ch 0 Data Out- | 6 | RXO2+ | Ch 0 Data Out+ | | 7 | GND | Ground | 8 | RXOCLK- | Ch 0 Clock- | | 9 | RXOCLK+ | Ch 0 Clock+ | 10 | RXO3- | Ch 0 Data Out- | | 11 | RXO3+ | Ch 0 Data Out+ | 12 | GND | Ground | | 13 | RXE0- | Ch 1 Data In- | 14 | RXE0+ | Ch 1 Data In+ | | 15 | RXE1- | Ch 1 Data In- | 16 | RXE1+ | Ch 1 Data In+ | | 17 | RXE2- | Ch 1 Data In- | 18 | RXE2+ | Ch 1 Data In+ | | 19 | GND | Ground | 20 | RXECLK- | Ch 1 Clock- | | 21 | RXECLK+ | Ch 1 Clock+ | 22 | RXE3- | Ch 1 Data In- | | 23 | RXE3+ | Ch 1 Data In+ | 24 | GND | Ground | | 25 | Reserved | N/C | 26 | Reserved | N/C | | 27 | GND | Ground | 28 | VCC | +3.3V or +5V Logic | | 29 | VCC | +3.3V or +5V Logic | 30 | VCC | +3.3V or +5V Logic | | 31 | VCC | +3.3V or +5V Logic | 32 | VCC | +3.3V or +5V Logic | | 33 | GND | Ground | 34 | GND | Ground | | 35 | GND | Ground | 36 | VLED- | Backlight LED Cathode/GND | | 37 | VLED- | Backlight LED Cathode/GND | 38 | VLED+ | Backlight LED Anode (+12V/+24V) | | 39 | VLED+ | Backlight LED Anode (+12V/+24V) | 40 | VLED+ | Backlight LED Anode (+12V/+24V) | | 41 | VLED+ | Backlight LED Anode (+12V/+24V) | 42 | VLED- | Backlight LED Cathode/GND | | 43 | VLED- | Backlight LED Cathode/GND | 44 | NC | No Connect | | 45 | NC | No Connect | 46 | NC | No Connect | | 47 | GND | Ground | 48 | ADJ | Backlight Brightness Adjust | | 49 | EN | Backlight Enable | 50 | NC | No Connect | | 51 | GND | Ground | | | |
⚠️ WARNING: Always verify with your exact panel’s datasheet. The following is a common example for educational purposes only.
The 51-pin interface supports 24-bit True Color (8 bits per channel: Red, Green, Blue). The LVDS serializer maps the TTL video signals into the differential pairs (RXO/RXE 0 through 3).
Note: The specific bit arrangement follows the JEIDA or VESA LVDS standards. Most modern controllers default to VESA, but compatibility issues can cause color distortion (e.g., Reds appearing as Blues) if the wrong standard is selected in the BIOS.
