With the continuous development of science and technology, display technology is increasingly used in daily life. Among many display technologies, TFT (thin film transistor) technology has attracted much attention due to its excellent performance and wide range of application scenarios. As a driver chip used in TFT LCD displays, ILI9341 has also become an important product in the industry. This article will introduce the technical specifications and functional features of TFT ILI9341 in detail to help readers better understand this product.

 

1. Overview of TFT technology

TFT (thin film transistor) technology is an active matrix type liquid crystal display (AM-LCD) technology. Compared with passive matrix liquid crystal displays (PM-LCD), TFTs have higher resolution, color saturation and brightness, while having lower power consumption and longer service life. TFT technology has been widely used in smartphones, tablets, televisions, computer monitors and other fields.

 

2. Introduction to ILI9341 chip

ILI9341 is a driver chip used in TFT LCD displays, developed and produced by Taiwan's Novatek Technology Company (Novatek). The chip has excellent performance and rich functions to meet the needs of various application scenarios. ILI9341 supports 262144 color display with a resolution of 240RGBx320 points and is suitable for 3.2-inch to 4-inch LCD displays.

 

3. Technical specifications of ILI9341

1. Resolution: 240RGBx320 points

2. Support colors: 262144 colors

3. Data interface: parallel 8-/9-/16-/18-bit data bus, 6-/16-/18-bit data bus RGB interface, 3-/4-wire serial peripheral interface (SPI)

4. Power supply voltage: 1.65V~3.3V

5. Internal integration: 720-channel source driver, 320-channel gate driver, 172800-byte 240RGBx320-point graphic display data package and power circuit

6. Support full color, 8-color display mode and sleep mode

7. Software enables precise power control

 

4. Functional characteristics of ILI9341

1. High resolution: ILI9341 supports a resolution of 240RGBx320 points, which can present more delicate image effects.

2. Rich colors: ILI9341 supports 262144 color display, which can present more realistic and vivid colors.

3. Diversified data interfaces: ILI9341 supports parallel 8-/9-/16-/18-bit data bus, 6-/16-/18-bit data bus RGB interface and 3-/4-wire serial peripheral interface (SPI ) to facilitate connection with various hardware platforms.

4. Window address specification: ILI9341 supports the internal window address to specify the image area. The specified window area can be selectively updated to realize the simultaneous display of moving images and still images.

5. Software power control: ILI9341 supports software to achieve precise power control, which facilitates developers to achieve energy saving and consumption reduction needs.

6. Applicable to a variety of scenarios: ILI9341 is suitable for 3.2-inch to 4-inch LCD displays and can be widely used in smartphones, tablets, televisions, computer monitors and other fields.

 

5. Summary

As an excellent display technology, TFT technology has been widely used in daily life. As a driver chip used in TFT LCD displays, ILI9341 has become an important product in the industry with its excellent performance and rich functions. We hope that through the introduction of this article, readers can have a deeper understanding of the technical specifications and functional features of TFT ILI9341, and provide help for future applications.

However, this article only briefly introduces the technical specifications and functional features of TFT ILI9341. To truly master this product, in-depth research and practice in actual applications are required. In addition, with the continuous development of technology, TFT technology and its driver chip products will also be continuously updated, bringing more excellent products and technologies to the display industry.