Model No. WF121BTXAPLNNA
►Size : 12.1 inch
►Resolution : 1280x800 dots
►View Direction : IPS
►Interface : LVDS
►Driver IC : EK77526AHI205A
►Control-Board : No
►Brightness (cd/m²) : 400
►Frame Through Hole : No
►Touch Screen : No
The WF121BTXAPLNNA is a 12.1-inch color TFT LCD module boasting a resolution of 1280x800 dots and an aspect ratio of 16:9. Equipped with the EK77526AHI205A driver IC, designed to support LVDS Interfaces, this TFT display is designed for applications requiring high-speed data transmission. LVDS interface technology is gaining popularity due to its high data transmission rates coupled with low power consumption. It offers advantages such as compatibility with lower voltage power supplies, noise reduction, enhanced noise suppression ability, and reliable signal transmission.
Utilizing IPS technology, the WF121BTXAPLNNA delivers wider viewing angles, with typical values of 89 degrees in all directions (left, right, up, and down). It features a contrast ratio of 1,000:1 (typical value) and a brightness of 400 nits (typical value).
The power supply voltage for the LCD module ranges from 3.0 V to 3.6 V, with a typical value of 3.3 V. Operating temperatures span from -20 °C to +70 °C, while the storage temperature range extends from -20 °C to +70 °C.
This 12.1-inch color TFT LCD display is highly suitable for various applications, including medical equipment, fish finders, industrial monitoring devices, home security systems, and more.
| Item | Dimension | Unit |
|---|---|---|
| Size | 12.1 | inch |
| Dot Matrix | 1280 x R.G.B. x 800 | dots |
| Module dimension | 278.0 x 184.0 x 10.0 | mm |
| Active area | 261.12 x 163.2 | mm |
| Pixel pitch | 0.204 x 0.204 | mm |
| LCD type | TFT, Normally Black, Transmissive | |
| Viewing Angle | 89/89/89/89 | |
| TFT Interface | LVDS | |
| TFT Driver IC | EK77526AHI205A | |
| Aspect Ratio | 16:9 | |
| Backlight Type | LED, Normally White | |
| Touch Panel | Without Touch Panel | |
| Surface Treatment | AG type, 3H hard coating | |
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Temperature | TOP | -20 | － | +70 | ℃ |
| Storage Temperature | TST | -20 | － | +70 | ℃ |
| Parameter | Symbol | Value | Unit | |||
|---|---|---|---|---|---|---|
| Min | Typ | Max | ||||
| Power Supply Voltage | VCC | 3.0 | 3.3 | 3.6 | V | |
| Permissive Ripple Voltage | VRP | - | 50 | - | mV | |
| Rush Current | IRUSH | 1.5 | A | |||
| Initial Stage Current | IIS | - | - | 1.0 | A | |
| Power Supply Current | White | - - |
- | 530 | 675 | mA |
| Black | - | 350 | 430 | mA | ||
| LVDS Differential Input High Threshold |
VTH(LVDS) | +100 | - | - | mV | |
| LVDS Differential Input Low Threshold |
VTL(LVDS) | - | - | -100 | mV | |
| LVDS Common Mode Voltage | VCM | 1.125 | 1.2 | 1.375 | V | |
| LVDS Differential Input Voltage | |VID| | 100 | - | 600 | mV | |
| Terminating Resistor | RT | - | 100 | - | Ohm | |
| Pin No. | Symbol | Description |
|---|---|---|
| 1 | 12V | LED power |
| 2 | 12V | LED power |
| 3 | 12V | LED power |
| 4 | 12V | LED power |
| 5 | ENLED | Enable pin |
| 6 | Dimming | Backlight Adjust |
| 7 | GND | Ground |
| 8 | GND | Ground |
| 9 | VCC | Power supply：+3.3V |
| 10 | VCC | Power supply：+3.3V |
| 11 | GND | Ground |
| 12 | GND | Ground |
| 13 | RX0- | Negative transmission data of pixel 0 |
| 14 | RX0+ | Positive transmission data of pixel 0 |
| 15 | GND | Ground |
| 16 | RX1- | Negative transmission data of pixel 1 |
| 17 | RX1+ | Positive transmission data of pixel 1 |
| 18 | GND | Ground |
| 19 | RX2- | Negative transmission data of pixel 2 |
| 20 | RX2+ | Positive transmission data of pixel 2 |
| 21 | GND | Ground |
| 22 | RXCLK- | Negative of clock |
| 23 | RXCLK+ | Positive of clock |
| 24 | GND | Ground |
| 25 | RX3- | Negative transmission data of pixel 3 |
| 26 | RX3+ | Positive transmission data of pixel 3 |
| 27 | GND | Ground |
| 28 | SEL6/8 | LVDS 6/8 bit select function control |
| Low or NC → 6 bit Input Mode | ||
| High → 8bit Input Mode | ||
| 29 | GND | Ground |
| 30 | GND | Ground |
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