3.5″ High Brightness TFT LCD Module – 320×240 RGB24 with Resistive Touch – Sunlight Readable
3.5-inch high brightness TFT LCD display module featuring 320×240 resolution with 4:3 aspect ratio, 24-bit RGB interface, and integrated resistive touch panel. Sunlight-readable design with full 80° viewing angles, anti-glare surface, and wide operating temperature range (-20°C to +70°C). 50,000-hour high-brightness LED backlight. ST7272A driver IC for reliable performance. Ideal for outdoor portable instruments, industrial control panels, handheld devices, and compact HMI applications requiring touch interaction and excellent visibility in bright ambient light.
3.5-Inch High Brightness TFT LCD Module – 320×240 with 24-Bit RGB and Resistive Touch
This 3.5-inch high brightness TFT LCD module features a 320×240 resolution with a 4:3 aspect ratio, a 24-bit RGB interface, and an integrated resistive touch panel. Engineered with a high brightness backlight for superior sunlight readability, this display is specifically designed for outdoor portable instruments, industrial control panels, handheld devices, and compact HMI applications requiring touch interaction and clear visibility in bright ambient light conditions. The anti-glare surface, full 80° viewing angles, and wide operating temperature range (-20°C to +70°C) make it an excellent choice for demanding outdoor and industrial environments.
Key Features
- High Brightness & Sunlight Readable – Optimized for outdoor and bright ambient light environments
- Integrated Resistive Touch Panel – 4-wire resistive touch for reliable stylus or finger input, including gloved-hand operation
- Full Viewing Angles – 80°/80°/80°/80° viewing angles for consistent image quality from all directions
- 24-bit RGB Interface – High-speed parallel interface for full color video data transfer
- Wide 4:3 Aspect Ratio – 320×240 resolution ideal for industrial HMI and instrumentation displays
- Anti-Glare Surface – Reduces reflections for improved readability in bright light
- Wide Operating Temperature – -20°C to +70°C for demanding outdoor and industrial environments
- Normally Black TFT – Excellent contrast and deep blacks for vivid imagery
- 50,000-Hour High Brightness LED Backlight – Reliable long-life illumination with 40mA typical current
- ST7272A Driver IC – High-performance driver optimized for TFT displays
- Compact Design – 4.37mm slim profile for space-constrained applications
High Brightness & Sunlight Readable Advantage
This display module features a high brightness LED backlight design, delivering exceptional visibility in bright ambient light conditions. Key benefits include:
- Sunlight Readable – Optimized for outdoor and high ambient light environments
- High Brightness Backlight – 40mA typical LED current with 13.5V~16.5V drive voltage for maximum luminous output
- Anti-Glare Surface – Minimizes reflections to maintain readability in bright environments
- Integrated Resistive Touch – Reliable touch input for industrial and outdoor applications
- Low Power Consumption – 20~30mA LCM current for energy-efficient designs
- Robust 4:3 Format – Ideal for industrial instrumentation and control applications
Technical Specifications
| Parameter | Specification |
|---|---|
| Size | 3.5-inch diagonal |
| Dot Matrix | 320 x RGB x 240 |
| Module Dimension | 76.84 x 63.84 x 4.37 mm |
| Active Area | 70.08 x 52.56 mm |
| Pixel Pitch | 0.219 x 0.219 mm |
| Aspect Ratio | 4:3 |
| LCD Type | TFT, Normally Black, Transmissive |
| Viewing Angle | 80°/80°/80°/80° (Full) |
| Interface | 24-bit RGB |
| Driver IC | ST7272A or Equivalent |
| Backlight Type | LED, Normally White (High Brightness) |
| Touch Panel | Resistive Touch Panel |
| Surface Treatment | Anti-Glare |
| Luminance (Brightness) | High Brightness (Sunlight Readable) |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -30°C to +80°C |
| Supply Voltage (VCC) | 3.0V ~ 3.6V (Typ. 3.3V) |
| LCM Current (ICC) | 20mA ~ 30mA (Typ.) |
| LED Voltage (LED+) | 13.5V ~ 16.5V (Typ. 15.0V) |
| LED Current | 40mA (Typ.) |
| LED Power Consumption | 540mW ~ 660mW (Typ. 600mW) |
| LED Life Time | 50,000 Hours |
Pin Interface
| Pin | Symbol | Function |
|---|---|---|
| 1-2 | LED- | LED Backlight Cathode |
| 3-4 | LED+ | LED Backlight Anode |
| 5 | YU | Touch Panel Top Electrode |
| 6 | XL | Touch Panel Left Electrode |
| 8 | /RESET | Hardware Reset |
| 12-19 | B0~B7 | Blue Data Bus |
| 20-27 | G0~G7 | Green Data Bus |
| 28-35 | R0~R7 | Red Data Bus |
| 36 | HSYNC | Horizontal Sync (Negative Polarity) |
| 37 | VSYNC | Vertical Sync (Negative Polarity) |
| 38 | DCLK | Dot Clock Signal |
| 41-42 | VCC | Power Supply (3.3V) |
| 43 | YD | Touch Panel Down Electrode |
| 44 | XR | Touch Panel Right Electrode |
| 52 | DE | Data Input Enable |
| 53-54 | GND | Ground |
Applications
This high brightness TFT LCD module with resistive touch is specifically designed for outdoor, industrial, and portable applications where sunlight readability and touch interaction are essential:
- Outdoor Portable Instruments – Handheld test equipment, digital meters, and outdoor data loggers with touch input
- Industrial Control Panels – HMI interfaces for outdoor and industrial equipment with touch control
- Handheld Devices – GPS units, two-way radios, and portable navigation devices with touch interaction
- Compact HMI – Small human-machine interfaces for outdoor and industrial equipment
- Medical Devices – Portable diagnostic devices and outdoor monitoring equipment with touch input
- Security Systems – Access control panels and outdoor surveillance interfaces
- Consumer Electronics – Portable media players, digital cameras, and outdoor electronic accessories
Customization Options
We offer flexible customization to meet specific project requirements:
- Touch Panel – Resistive touch panel sensitivity and surface hardness can be customized
- Brightness – Custom brightness levels available for different outdoor/indoor environments
- Interface – Alternative interface options available depending on requirements
- FPC – Custom FPC length, connector type, and pinout available
- Operating Temperature – Extended temperature range versions available
- Surface Treatment – Optional surface treatments including anti-glare or hard coating
- Optical Bonding – For improved outdoor readability and durability
Selection Guide
When selecting this high brightness TFT LCD module for your project, consider the following factors:
- Sunlight Readability – High brightness backlight (40mA LED current) ensures excellent visibility in outdoor and bright ambient light applications
- Touch Integration – 4-wire resistive touch with YU, XL, YD, XR electrodes for reliable stylus or finger input, including gloved-hand operation
- Display Size and Resolution – 3.5-inch with 320×240 and 4:3 aspect ratio ideal for industrial and instrumentation applications
- Interface Compatibility – 24-bit RGB interface requires 24 data lines plus sync signals; ensure your MCU/SoC supports parallel RGB output
- Power Requirements – VCC range 3.0V~3.6V with typical current 20~30mA; high brightness LED backlight requires 13.5V~16.5V at 40mA
- Viewing Angles – Full 80°/80°/80°/80° viewing angles for consistent image quality from all directions
- Operating Environment – Temperature range -20°C to +70°C suitable for outdoor and industrial applications
- Mounting Space – Module dimension 76.84 x 63.84 mm with 4.37mm thickness; verify mechanical clearance in your design
Frequently Asked Questions
What makes this display “high brightness” and “sunlight readable”?
This display features a high brightness LED backlight with 40mA typical current and 13.5V~16.5V drive voltage, delivering excellent sunlight readability for outdoor and bright ambient light applications.
Does this module include a touch panel?
Yes, this module includes an integrated 4-wire resistive touch panel with YU, XL, YD, XR electrodes for reliable stylus or finger input.
What is the resolution of this display?
This display has a 320×240 dot matrix resolution with a 4:3 aspect ratio.
What interface does this display use?
The module uses a 24-bit RGB interface with HSYNC, VSYNC, DCLK, and DE control signals for full color video data transfer.
What is the typical power consumption?
Typical LCM current is 20~30mA at 3.3V, and the high brightness LED backlight requires 13.5V~16.5V at 40mA, with power consumption of 540mW~660mW.
What is the LED backlight lifetime?
The LED backlight has a typical operating life of 50,000 hours at 25°C.
What are the viewing angles of this display?
This display offers full 80°/80°/80°/80° viewing angles, providing consistent image quality from all directions.
Can you provide samples?
Yes, sample units are available for evaluation. Please submit your requirements through the sample request form.
Is driver support available?
Yes, we provide initialization code, datasheets, and technical support for integration. The ST7272A driver IC is well-supported with readily available driver libraries.
What is the MOQ for mass production?
MOQ depends on specific configurations. Please contact our sales team for current MOQ information.
Related Resources
- TFT LCD Modules
- High Brightness Displays
- Resistive Touch Displays
- RGB Interface Displays
- Industrial Displays
- LCD Interface Selection Guide
- Customization Services
For volume pricing, customization, or engineering support, please contact our sales team.
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