Dalian Eastern Display Co., Ltd.
Dalian Eastern Display Co., Ltd.
Finding the perfect 4 inch TFT display can feel overwhelming with the sheer number of options on the market. This comprehensive guide aims to simplify your search, providing detailed information and comparisons to help you choose the best display for your specific application. Whether you're a hobbyist building a custom project, a developer integrating a screen into a device, or a business sourcing displays for mass production, this guide has you covered. We'll explore key specifications, discuss different display types and resolutions, and provide helpful tips to guide your selection process.
Before diving into specific products, it's crucial to understand the key specifications of a 4 inch TFT display. These specifications will determine the display's performance and suitability for your project. Key parameters include:
Resolution refers to the number of pixels displayed horizontally and vertically. Higher resolutions (e.g., 800x480) generally offer sharper images and more detail. However, they often come with a higher price tag and may require more processing power.
Measured in candelas per square meter (cd/m2 or nits), brightness determines how clearly the display is visible in different lighting conditions. Higher brightness values are better for outdoor use or brightly lit environments.
The contrast ratio defines the difference between the brightest white and the darkest black the display can produce. A higher contrast ratio leads to richer colors and deeper blacks, resulting in a more visually appealing image.
Response time measures how quickly a pixel can change from one color to another. Faster response times are essential for applications requiring smooth motion, such as gaming or video playback. It is typically measured in milliseconds (ms).
The viewing angle determines the range of angles from which the display can be viewed without significant color distortion or loss of contrast. Wider viewing angles are preferable for applications where multiple viewers may be looking at the screen simultaneously.
Several types of 4 inch TFT displays exist, each with its own advantages and disadvantages. Common types include:
STN displays are known for their low cost and low power consumption. However, they typically offer limited viewing angles and relatively poor color reproduction.
TN displays are a step up from STN displays, offering improved color reproduction and response time. However, their viewing angles are still relatively limited.
IPS displays offer superior color accuracy, wide viewing angles, and excellent contrast ratios, making them ideal for applications requiring high image quality. However, they tend to be more expensive than STN or TN displays.
Selecting the right 4 inch TFT display depends heavily on your specific needs and budget. Consider the following factors:
Several reputable manufacturers produce high-quality 4 inch TFT displays. Researching different manufacturers and comparing their specifications can help you find the best fit for your project. Consider checking out companies with a long-standing reputation in the display industry. For high-quality displays, consider exploring options from established manufacturers like those you might find while searching for TFT LCD screen manufacturers.
| Feature | Display A | Display B |
|---|---|---|
| Resolution | 800x480 | 480x320 |
| Brightness (cd/m2) | 300 | 200 |
| Contrast Ratio | 800:1 | 500:1 |
| Response Time (ms) | 25 | 35 |
Note: Specific display models and their specifications vary greatly. Always refer to the manufacturer's datasheet for accurate and up-to-date information.
For a wider selection of high-quality 4 inch TFT displays and related products, explore the options at Dalian Eastern Display Co., Ltd. They offer a diverse range of displays to meet various needs.
