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2.8 Inch TN TFT LCD Module 240x320 RGB 40pin Interface - 250nit Brightness from China Suppliers and Factory
📋 Product Description
H028HQ40E2543 is a 2.8-inch TFT LCD module. This LCD screen adopts TN panel, can withstand operating temperature from -20℃ to +70℃, has a resolution of 240×320, an RGB 40-pin interface, and ST7789V Driver IC. 250 nits brightness.
This 2.8-inch TFT LCD screen is mainly applied in the following areas:
- Smart Wearable Devices — fitness trackers, health monitors, smartwatches
- Smart Home & Security — video doorbells, smart door locks, home control panels
- Industrial Instruments — handheld measuring instruments, data collectors, barcode scanners
- Embedded Terminals — real-time parameter display and operation interfaces
2.8"
LCD Size
240×320
Resolution
250 nits
Brightness
RGB 40-pin
Interface
ST7789V
Driver IC
65K
Color Depth
📐 Mechanical Drawing
⚙️ Specification Parameters
| Feature | Spec |
|---|---|
| Model Name | H028HQ40E2543 |
| LCD Size | 2.8 inch |
| Display Format | 240×320 |
| Interface | RGB 40pin |
| Luminance | 250 cd/m² |
| Touch Screen | None, optional |
| Viewing Direction | 6 O'clock |
| Color Depth | 65K |
| Driver IC | ST7789V |
| LCM (W × H × D) | 50 × 69.2 × 2.3 mm |
| Active Area | 43.2 × 57.6 mm |
| Operating Temperature | -20℃ ~ +70℃ |
| Storage Temperature | -30℃ ~ +80℃ |
| Operating Voltage | 3.2V |
🔌 Interface Definition
| PIN NO | PIN NAME | DESCRIPTION |
|---|---|---|
| 1 | LEDA | LED backlight anode |
| 2 | LEDA | LED backlight anode |
| 3 | LEDK | LED backlight Cathode |
| 4 | LEDK | LED backlight Cathode |
| 5 | GND | Ground |
| 6 | VDD | Power supply |
| 7 | GND | Ground |
| 8 | CLK | Dot-clock signal and oscillator source |
| 9 | HS | Line Synchronous Signal |
| 10 | VS | Frame Synchronous Signal |
| 11 | DE | Display enable signal |
| 12 | GND | Ground |
| 13 | GND | Ground |
| 14 | B0 | Data bus |
| 15 | B1 | Data bus |
| 16 | B2 | Data bus |
| 17 | B3 | Data bus |
| 18 | B4 | Data bus |
| 19 | B5 | Data bus |
| 20 | GND | Ground |
| 21 | GND | Ground |
| 22 | G0 | Data bus |
| 23 | G1 | Data bus |
| 24 | G2 | Data bus |
| 25 | G3 | Data bus |
| 26 | G4 | Data bus |
| 27 | G5 | Data bus |
| 28 | GND | Ground |
| 29 | GND | Ground |
| 30 | R0 | Data bus |
| 31 | R1 | Data bus |
| 32 | R2 | Data bus |
| 33 | R3 | Data bus |
| 34 | R4 | Data bus |
| 35 | R5 | Data bus |
| 36 | GND | Ground |
| 37 | RESET | Reset signal input terminal, active at 'L' |
| 38 | SDA | Serial Data |
| 39 | SCL | Serial Clock |
| 40 | CS | Chip select |
❓ Frequently Asked Questions
What is the resolution of the H028HQ40E2543 TFT LCD module?
The H028HQ40E2543 features a resolution of 240×320 pixels, making it suitable for compact display applications that require clear and readable content on a 2.8-inch screen.
What driver IC does the H028HQ40E2543 use?
This module uses the ST7789V driver IC, which is a widely supported and highly compatible controller commonly used in embedded systems, microcontrollers, and single-board computers.
What interface does this 2.8-inch TFT LCD module support?
The H028HQ40E2543 uses an RGB 40-pin interface. The 40 pins include signals for LED backlight, power supply, ground, clock, synchronization, display enable, RGB data bus lines, reset, serial data, serial clock, and chip select.
What is the operating temperature range of this LCD module?
The module supports an operating temperature range of -20℃ to +70℃, and a storage temperature range of -30℃ to +80℃, making it suitable for both indoor and mildly harsh outdoor environments.
Does the H028HQ40E2543 support touch screen functionality?
The standard version of the H028HQ40E2543 does not include a touch screen. However, touch screen functionality is available as an optional add-on. Please contact us for customized touch screen configurations.
What are the typical application scenarios for this 2.8-inch TFT LCD module?
This module is widely used in smart wearable devices (such as fitness trackers and smartwatches), smart home and security systems (such as video doorbells and smart door locks), as well as industrial instruments and embedded terminals including handheld measuring devices, barcode scanners, and industrial data collectors.