The 40-pin eDP FPC connector is used on larger laptop displays (17-inch and some 15-inch) and higher-resolution panels requiring more power pins and additional signal lines.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | GND | Ground | GND |
| 2 | GND | Ground | GND |
| 3 | VCC | Panel supply 3.3V | PWR |
| 4 | VCC | Panel supply 3.3V | PWR |
| 5 | VCC | Panel supply 3.3V | PWR |
| 6 | VCC | Panel supply 3.3V | PWR |
| 7 | GND | Ground | GND |
| 8 | ML_Lane0- | Main link lane 0 negative | BUS |
| 9 | ML_Lane0+ | Main link lane 0 positive | BUS |
| 10 | GND | Ground | GND |
| 11 | ML_Lane1- | Main link lane 1 negative | BUS |
| 12 | ML_Lane1+ | Main link lane 1 positive | BUS |
| 13 | GND | Ground | GND |
| 14 | ML_Lane2- | Main link lane 2 negative | BUS |
| 15 | ML_Lane2+ | Main link lane 2 positive | BUS |
| 16 | GND | Ground | GND |
| 17 | ML_Lane3- | Main link lane 3 negative | BUS |
| 18 | ML_Lane3+ | Main link lane 3 positive | BUS |
| 19 | GND | Ground | GND |
| 20 | AUX+ | AUX channel positive | BUS |
| 21 | AUX- | AUX channel negative | BUS |
| 22 | HPD | Hot plug detect | I/O |
| 23 | DP_PWR | 3.3V DP power | PWR |
| 24 | BL_PWR | Backlight power | PWR |
| 25 | BL_PWM | Backlight brightness PWM | I/O |
| 26 | BL_EN | Backlight enable | I/O |
| 27-40 | GND/VCC | Ground and power lines | GND |
The 40-pin eDP FPC connector is used on larger laptop displays (17-inch and some 15-inch) and higher-resolution panels requiring more power pins and additional signal lines.