China 2.8 inch TN TFT LCD module 240×320 RGB 40pin interface 250nit Manufacturers, Suppliers
Product Description
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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 smart wearable devices, such as fitness trackers, health monitors, smartwatches, etc., to display information such as heart rate, step count, and call alerts. Smart home and security devices: for example, video doorbells, smart door locks, home control panels, etc., serve as information display and interactive interfaces, showing the picture outside the door or control menus. Industrial instruments and embedded terminals: including handheld measuring instruments (such as temperature and humidity testers), industrial data collectors, barcode scanners, etc., used for real-time display of parameters and operation interfaces. And other fields.
Mechanical Drawing
Specification Parameters
| Feature | Specification |
|---|---|
| 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 x H x D) (mm) | 50*69.2*2.3 |
| Active Area (mm) | 43.2*57.6 |
| 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 |
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Frequently Asked Questions
Q: What is the resolution and interface of the H028HQ40E2543 LCD module?
The H028HQ40E2543 is a 2.8-inch TFT LCD module featuring a 240×320 resolution, an RGB 40-pin interface, and a built-in ST7789V driver IC.
Q: What are the common applications for this 2.8-inch TFT display?
It is widely used in smart wearable devices (smartwatches, health monitors, fitness trackers), smart home devices (video doorbells, smart locks, control panels), and industrial hand-held instruments or barcode scanners.
Q: Does the H028HQ40E2543 come with a touch screen?
The standard model is non-touch, but a capacitive or resistive touch screen integration is available as an option.
Q: What is the operating temperature range and luminance?
The display operates reliably within a temperature range of -20℃ to +70℃ (storage: -30℃ to +80℃) and provides a luminance of 250 cd/m².
Q: What are the module dimensions and operating voltage?
The LCM outline dimensions are 50 × 69.2 × 2.3 mm with an active area of 43.2 × 57.6 mm. The typical operating voltage is 3.2V.
