4.0 Inch TFT LCD Display 480×800 | High-Resolution WVGA Screen for Smart Devices & Industrial Terminals
The 4.0-inch TFT LCD display features a high-resolution 480×800 WVGA screen with rich color reproduction, high brightness, and excellent contrast—perfect for applications requiring sharp visuals and responsive interaction. Its vertical layout and generous screen area make it ideal for touch-based interfaces. With customizable interfaces (such as RGB, MIPI, MCU), optional capacitive or resistive touch, and flexible FPC options, this module supports a wide range of embedded and handheld solutions.
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- Smart Devices: Language translators, barcode scanners, and multifunction smart remotes
- Industrial Terminals: Maintenance tools, handheld data collectors, and workflow management pads
- Medical Electronics: Portable ultrasound displays, compact diagnostic terminals, and health monitoring systems
- Smart Home Panels: Touchscreen control centers, smart lighting controllers, and doorbell video interfaces
- Security & Access Control: Fingerprint or face recognition terminals, access keypads with display
- Automotive Applications: Infotainment widgets, air conditioning control displays, and smart dashboards
- Retail & Logistics: Mobile POS terminals, electronic shelf label controllers, and route scanners
- Educational & Consumer Tech: Children’s smart tablets, STEM learning devices, and e-reader control panels
Main Advantages and Features of 4 Inch TFT LCD
From smartwatches to wearables and other compact wearables, this 4 inch TFT LCD stands out among the rest because of a set of core features that drive its appeal. Here’s what makes it special:
- High Resolution and Clear Display: It has a resolution of 480×800; the images shown on it are crisp and detailed. Intricate interfaces—watch faces, health metrics, mobile payments—are managed gracefully, ensuring great clarity on this small screen.
- Rich Color Performance: It boasts 16.7 million colors, ensuring vivid, accurate tones. The wide color gamut is perfect for dynamic graphics and high-quality images, from fine icons and charts to smooth gradients, which enhance user experience in general for medium LCD applications such as smartwatches and fitness bands.
- Low Power Consumption: Low-power design keeps the display efficient. The TFT panel uses only a small amount of energy, which helps in lengthening battery life—just perfect for wearables that just do not like to be tethered to a charger.
- Wide Viewing Angles and High Contrast: Reading comfort can be extended up to 160-degree angles, along with an extraordinary contrast ratio of 1000:1. This display would be most effective and comfortable to use in bright environments, where the display would be clear and readable, as required for use indoors as well as outdoors, for medium LCD displays, and for fitness trackers.
- Excellent Compatibility and Easy Integration: The 4 inch TFT LCD display offers support for the standard SPI and RGB interface, which indicates that it would be compatible with popular platforms like Arduino, Raspberry Pi, and STM32. It’s a medium LCD also easy to drop into projects and products, whether you’re prototyping or shipping at scale.
- Stability and Durability: This 4 inch TFT LCD operates well between -20°C and 60°C. The stability it provides, despite varying environmental conditions, makes it an ideal companion for your day-to-day activities. You can use it during extreme weather conditions and sports as well. The stability and robust nature of the display ensure that it works well.
4 Inch TFT LCD Technical Overview
The presence of the 4-inch TFT LCD offers a clear and colorful visual experience through the small-sized LCD that provides a resolution of 480×800 pixels, which is ideal for viewing in tiny devices such as a smart watch and a health monitor. The LCD offers 16.7 million colors, and the viewing angle of the LCD ranges to a maximum of 160°, which provides an ideal view of the colors and a clear definition irrespective of its angle of view. The LCD is designed using low-energy TFT and hence ideal for use in battery-driven applications where power conservation is significant. The medium LCD operates on a pretty wide temperature range of -20°C to 60°C, and it plays nicely with Arduino and Raspberry Pi. Quality visuals, great durability, and energy efficiency make it apt for portable and wearable tech.
Applications & Use Cases of 4 Inch TFT LCD
The 4 inch TFT LCD display is designed for a wide range of applications, offering excellent clarity, low power consumption, and versatility across various industries:
- Smart Door Locks: We have partnered with Yunding to provide customized 4-inch TFT LCD displays for their smart door locks, ensuring high brightness, full viewing angles, ultra-low power consumption, and responsive touch interactions, all while maintaining durability through features like scratch resistance and moisture protection.
- Portable Health Devices: This medium LCD is most applicable for use in portable healthcare products, such as ECG monitors, blood glucose testers, and blood pressure cuffs, as it provides an optimal display for such products and keeps the use of batteries efficient.
- Electronics: The 4-inch TFT LCD display provides an excellent option for use in gaming, GPS, and photo frames, enhancing the user experience and offering high video quality. It is also used in Newland’s POS systems, where the compact size and clear display are perfect for retail environments, ensuring smooth and efficient transactions.
- Industrial and Automotive Applications: This medium LCD offers high resistance to adverse conditions and can be specifically applied for industry displays as well as for automotive use, such as car Dashboard Displays.
| Spec | Item | Specifications | Unit |
| Part No. | EQT400BYZ017G | – | |
| Size | 4(3.97) | inch | |
| Resolution | 480*800 | – | |
| Viewing Angle | Full | – | |
| Active Area | 51.84(H) X 86.4(V) | mm | |
| Outline Dimension(mm) | 68.6(W)×95.75(H)×3.55(D） | mm | |
| Driver IC | ST7701S | – | |
| Touch Function | Without | – | |
| Brightness(Cd/m2) | 300 | Cd/m2 | |
| Interface | MIPI | – | |
| Storage Temp. | －30 TO 70 | ℃ | |
| Operation Temp. | －20 TO 60 | ℃ |
FAQ (Frequently Asked Questions)
- What is the resolution of the 4 inch TFT LCD display?
The medium LCD display boasts 480×800 pixels to present clear, sharp images. Such a high resolution is suitable for detailed images, text, and graphics on compact devices such as smartwatches or portable health gadgets. - Does the display come with touch functionality?
No, the 4 inch TFT LCD does not include native touch. If touch is required, please contact us for details on how to interface a touchscreen to the display. - What power supply does the display require?
It requires either a DC voltage of 3.3V/5V, depending upon the design. You will need to refer to the documentation for the correct information regarding the current that has to be supplied to the medium LCD panel. - How fast does the display respond to changes in content (refresh rate)?
The quality of the 4 inch TFT LCD is measured based on its refresh rate, and it has a high rate that allows the transitions that occur in the process of displaying the images to be very smooth and blur-free. This is the most ideal for its application in the production of smartwatches and gaming devices. - How long will it take to ship my order?
The payment terms and conditions for the order of the 4-inch TFT LCD are usually processed and shipped within 7 to 15 business days. For large and production orders, the processing and shipping will take approximately 4 to 6 weeks, depending on the shipping address. - Is the display compatible with development platforms like Arduino and Raspberry Pi?
Yes, the 4 inch TFT LCD supports popular development platforms such as Arduino, Raspberry Pi, and STM32. This makes it easily integrable into various DIY projects and products because it supports SPI and RGB interfaces.
