If you are looking for a compact yet high-performance touch solution for your embedded system or industrial device, our 4-inch capacitive touch screen module is the perfect fit. It features high touch sensitivity, excellent optical clarity, and strong durability, making it an ideal choice for a wide range of terminal devices.
This 4-inch touch screen is designed with a DSI interface and supports capacitive multi-touch input. It is fully compatible with Raspberry Pi, Android systems, and STM32 platforms. Whether you are developing a smart device or require a customized OEM solution, we offer flexible design options to meet your specific project needs.
Technical Specifications
| Item | Specification |
|---|---|
| Model | CNT040001CTP-V1.0 |
| Screen Size | 4.0 inch capacitive touch screen |
| Structure | G+G (Cover glass + Sensor glass) |
| Outline Dimension | 60.20 × 99.55 × 1.45 mm |
| Viewing Area (VA) | 51.00 × 85.00 mm |
| Active Area (AA) | 49.00 × 81.41 mm |
| Interface Type | I²C (via DSI display interface) |
| Touch Controller IC | GT911 (Goodix) |
| Transparency | ≥85% |
| Surface Hardness | ≥6H |
| Touch Points | 5-point capacitive touch |
| Operating Voltage | 2.8V–3.3V |
| Operating Temperature | -20°C ~ +70°C |
| Storage Temperature | -30°C ~ +80°C |
| Customization | Logo printing, cover glass shape, bonding options |
What is Surface Hardness ≥6H?
In the context of capacitive touch screens, surface hardness refers to the scratch resistance of the top glass layer, typically measured using the pencil hardness test. A rating of ≥6H means the surface can withstand scratches from a 6H-grade pencil - which is significantly harder than common objects like keys, pens, or tools.
Why Choose Us as Your OEM Touch Screen Supplier?
As a leading capacitive touch screen manufacturer in China, we specialize in providing high-quality modules for industrial and commercial use. With more than 10 years of experience, we support global OEM/ODM clients with:
🔧 Full customization: cover lens shape, FPC, logo, touch IC
📦 Bulk ordering with stable supply chain & competitive pricing
📐 Fast prototyping for small batch production
🌍 International logistics support for fast delivery
Frequently Asked Questions (FAQ)
Q: Q1: Can I customize the 4 inch touch screen for my device?
A: Absolutely. We offer full customization including cover glass printing, interface type, bonding method, and IC selection.
Q: Q2: What's the MOQ for bulk orders?
A: For standard modules, MOQ starts at 1–10 pcs. For custom OEM projects, we offer flexible solutions depending on complexity.
Q: Q3: Is this 4 inch touch screen compatible with Raspberry Pi or STM32?
A: Yes, this 4 inch DSI capacitive touch screen works well with Raspberry Pi, STM32, Android boards, and other embedded systems.
Q: Q4: Do you provide technical support during integration?
A: Yes, our engineering team offers free integration support including datasheets, reference circuits, and firmware advice.
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