|
ITEM |
PARAMETER DESCRIPTION |
UNIT |
|
TFT series |
COF-H028B22-UART-01C |
|
|
Diagonal size |
2.8” |
Inch |
|
Resolution |
240x320 |
Dot |
|
Dimensions |
57.2x92.3x4.0 |
mm |
|
Active area (AA) |
43.2x57.6 |
mm |
|
LCD type |
TFT LCD Display |
mm |
|
Display viewing angle |
Full View |
|
|
Aspect ratio |
1:2 |
|
|
Backlight type |
LED white |
|
|
TFT driver IC |
- |
|
|
Brightness |
500 |
cd/m2 |
|
Operating temperature |
-20~70℃ |
℃ |
|
Storage temperature |
-30~80℃ |
℃ |
2.8 Inch UART HMI Capacitive Display 240x320 Chip On FPC
Transportation
payment
tax rate
Ensure
return
Discontinued
Transportation
Our company cooperates with SF Express for domestic express delivery, and DHL for overseas express delivery. You can contact us to inquire about freight and weight to get the latest quotation.
DeterminePayment
Online payment is not supported. Transfers can be made through corporate accounts. If a VAT invoice is issued, please contact our sales staff to obtain a corporate account.
DetermineTaxes
All products sold on this website do not include tax. If you need a VAT invoice, please contact our sales staff to purchase offline.
DetermineEnsure
All products sold on this website have a one-year warranty. If the product is damaged due to improper use by the customer, it will be repaired free of charge. Material cost will be charged.
DetermineReturn
Products within the warranty period can be returned for repair or replacement. Before returning, please contact our sales staff to confirm the reason for return.
DetermineDiscontinued
We are committed to long-term production of all products sold on this website. If the IC or panel is discontinued, we will try our best to replace it with compatible materials.
DetermineProduct Introduction: The Advanced 2.8 Inch UART HMI Capacitive Display
The 2.8 Inch UART HMI Capacitive Display (Model: COF-H028B22-UART-01C) represents the next generation of highly integrated embedded visuals. By utilizing Chip on FPC (COF) technology, the driver IC is bonded directly onto the flexible cable, resulting in a remarkably slim and lightweight module that fits into the tightest industrial housings. This 2.8 Inch UART HMI Capacitive Display features a crisp 240x320 resolution and a high-brightness 500cd/m² backlight, ensuring that your user interface remains sharp and legible even in high-ambient light environments. Equipped with a sensitive Capacitive Touch Panel (CTP) and a robust UART (TTL) interface, it offers a "Plug-and-Play" solution for smart home controllers, medical terminals, and industrial dashboards.
Specification of 2.8 Inch UART HMI Capacitive Display
Parameters of 2.8 Inch UART HMI Capacitive Display
- Space-Saving COF Architecture: The "Chip on FPC" design reduces the overall mechanical footprint, allowing for a more streamlined integration into handheld and portable devices.
- High-Luminance IPS Panel: With 500cd/m² brightness and an IPS full-viewing angle, the display offers vivid 65K colors and distortion-free visuals from 80° in every direction.
- Durable Capacitive Interaction: The integrated CTP supports multi-touch gestures with no mechanical wear, finished with an AF (Anti-Fingerprint) coating for a clean, professional look.
- Optimized Resource Management: Features 8MB/16MB optional flash storage for icons and fonts, easily updatable via USB (Mini-B) or TF card.
- Industrial-Grade Protection: Designed with 8KV ESD protection and a wide operating range of -20°C to 70°C, ensuring reliability in harsh electrical and thermal environments.
Key Application Scenarios of 2.8 Inch UART HMI Capacitive Display
The 2.8 Inch UART HMI Capacitive Display is the preferred choice for:
- Smart Home Dashboards: Centralized control for thermostats, lighting, and security systems.
- Industrial HMI: User-friendly interfaces for CNC machinery and localized equipment monitoring.
- Medical Terminals: High-clarity displays for portable diagnostic tools and patient monitoring.
- Consumer Electronics: Interactive panels for high-end coffee machines and smart appliances.
Technical Solutions for Buyer Concerns of 2.8 Inch UART HMI Display
To help engineers achieve the best results with the 2.8 Inch UART HMI Capacitive Display, we provide the following technical optimization strategies:
How to Prevent Image Retention (Burn-in)?
Because this is a high-contrast panel, we recommend refreshing the screen content every 2 minutes or implementing a dynamic screensaver. Our UART firmware supports automatic brightness dimming and screen-off commands to extend the panel’s lifespan.
Optimizing Communication Stability
The UART (TTL) interface is designed for high-speed data transmission. To ensure error-free communication in industrial zones, keep the FPC connection clean and avoid excessive bending. For long-distance wiring, use shielded cables to maintain signal integrity against EMI.
Real-Time Clock (RTC) Stability
The COF-H028B22-UART-01C includes an independent V33RTC power supply design. This ensures that the real-time clock remains accurate even during main system power cycles, a critical feature for data logging and time-stamped industrial events.
Mechanical Integration Tips
The FPC length has been shortened by 5.0mm to optimize internal space layout. Ensure the contact surface gold fingers are fully seated in the connector. The dual-color design (Pantone 1575C Orange and Pure White) provides a distinct visual cue for orientation during assembly.
The HOTHMI 2.8 Inch UART HMI Capacitive Display is a masterpiece of integration and efficiency. By combining the SSD1306/SSD1309-level software simplicity with high-end COF hardware, it provides a shortcut to professional HMI development.
Upgrade your user experience today. HOTHMI offers factory-direct pricing, long-term supply stability, and custom FPC length options.