7-inch LCD touch screen with HDMI driver board: a "full view" display solution designed for harsh scenes
Product Sketch
When "direct sunlight, minus 30 ℃, engine vibration, and 85 ℃ cabin" became daily operating conditions, ordinary consumer grade screens had already gone out of service. TXW700076N3-RT integrates 7-inch IPS full view LCD, 450 cd/m ² high brightness backlight, G+G tempered capacitive touch, industrial grade -30 ℃~+85 ℃ temperature width, and plug and play HDMI driver board into a ultra-thin body of 164.9 × 100 × 4.95 mm, providing a one-stop display solution for motorcycle instruments, car navigation, outdoor medical, and industrial HMI that is "visible, accurate, and long-lasting".
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| Project | Specifications |
| Model | TXW700076N3-RT (optional HDMI driver board) |
| Size/Resolution | 7 inch 16:9 / 1024 × 600 |
| Display area | 154.21 × 85.92 mm |
| Brightness / Contrast | 450 cd/m² / 800:1 |
| Color gamut | 72% NTSC |
| Touch control | G+G tempered glass, multi-point capacitor, GT911 |
| Main control chip | HX8282A11 |
| Interface | HDMI 1.4 (video)+USB-Type-C-IIC (touch) |
| Power Supply | 5 V/600 mA (Backlight 100%) |
| Working temperature/humidity | -30 ℃~+85 ℃ / 10%~90% RH |
| ESD | Contact ± 8 kV, Air ± 15 kV |
| Appearance | 164.9 × 100 × 4.95 mm (including touch) |
Core Highlights
Full view IPS: 80/80/80/80 ° without grayscale inversion, no color cast when viewed from the side, and clear reading even under outdoor sunlight.
450 cd/m ² high brightness: not afraid of direct sunlight, instrument/navigation information is always transparent.
G+G tempered touch: 1.1mm surface glass, Mohs hardness ≥ 6H, scratch resistant, fingerprint resistant; The GT911 chip supports 5-point touch and can still be operated with a sailor case.
Industrial grade temperature range: -30 ℃ cold start,+85 ℃ continuous operation, 1000 h 85 ℃/85% RH aging test without bubbles or yellow spots.
HDMI Plug and Play: The driver board integrates standard HDMI input+USB-IIC touch, no need to adjust cables, no need to burn firmware, Raspberry Pi Jetson, Industrial control computers and Windows PCs light up in one second.
RGB 24 bit native interface: In addition to the HDMI board, the 50 pin FPC is retained for easy direct docking with MCU, MPU, FPGA, making it a low-power or bare metal solution.
Ultra thin structure: single screen 3.5 mm, with touch 4.95 mm, easily embedded in thick walled locomotive instruments or medical handheld shells.
Long life backlight: 30000 hours, brightness attenuation ≤ 50%, motorcycle running 300000 kilometers still on the screen.
Interface definition and wiring Side wiring of the drive board:
HDMI-A: 1080p/720p adaptive, onboard Scaler shrinks input signal to 1024 × 600 without user settings.
Micro USB: Standard HID-IIC, Windows/Aspberry Pi/Jetson drive free; Android needs to add id=0x5D.
5 V DC In: 2.1mm socket, reverse protection+TVS surge suppression, can be directly connected to a vehicle mounted 12V to 5V voltage regulator.
Backlight PWM: Reserved 0~3.3 V dimming pin, instrument night mode can be reduced to 20 cd/m ² with one click, not dazzling.
Application Cases-Motorcycle intelligent instrument panel
7-inch full screen replaces traditional pointers, displaying real-time vehicle speed/RPM/navigation/tire pressure.
450 nit high brightness+anti glare coating, still clear under noon sunlight.
-30 ℃ cold start, meeting the requirement of lighting up immediately in the morning of winter in Northeast China.
Automotive central control navigation
HDMI connected to the car's Android box, USB touch feedback, instantly transforming into an "original factory large screen".
The G+G surface can be bonded to AG+AR glass, reducing reflection to 8%.
Outdoor medical monitor
5 V low voltage power supply, shared power supply with the host, simplifies battery management.
Full view IPS, doctors can also observe waveforms from the side station.
Industrial HMI operation panel
50 pin RGB reserved, directly connected to STM32H7, for bare metal UI, millisecond level refresh.
IP65 dustproof and waterproof front panel, G+G glass resistant to oil and easy to disinfect
TXW700076N3-RT has made the five essential requirements of "high brightness, full view angle, wide temperature range, tempered touch control, and HDMI plug and play" standard products, allowing developers to bid farewell to the long process of "building blocks" for screen selection, board purchase, cable adjustment, and screen tapping. Whether you are working on two wheeled locomotive instruments, four-wheel locomotives, outdoor medical equipment, or industrial HMI, with just a 5V power supply and an HDMI cable, you can light up a 7-inch "visual" world that is always clear and responsive in the harsh world of -30 ℃ to 85 ℃.
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7.0-inch car instrument module with HDMI driver board 1024 * 600 touch screen LCD screen USB interface Images
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