3 inch Graphic Screen IPS TFT LCD 240×400


Colorful LCD

ST7796S Driver

  • Samples
  • Demo Driver Board
  • Custom Touch Screen
Part Number
Diagonal Size
Panel Type
Graphic TFT LCD, LCM
Pixel Format
RGB Vertical Stripe
Aspect Ratio
3:5 (H:V)
Portrait Type
Display Area
38.88(W)× 64.8(H) mm
Outline Size
45.04(W)×77(H)×2.6(D) mm
Driver IC
Display Mode
Normally Black, Transmissive
Viewing Angle
80/80/80/80 (Typ.)(CR≥10)
400 cd/m2 (Typ.)
Color Depth
Contrast Ratio
600 : 1 (Typ.)  (TM)
35 (Typ.)(Tr+Td) ms
Operating Temperature
-20 ~ 70 °C
PDA, Industrial

3 inch Graphic Screen

The 3 inch Graphic Screen IPS TFT LCD 240×400 offers an impressive array of features and benefits. Its high resolution, vibrant color output, and compact size make it a smart choice for developers and industry professionals alike. Whether it’s for an IoT project, Portable Devices, or an Industrial Application, this versatile display is sure to impress.

Exploring the 3 inch LCD

When referring to a 3 inch Graphic LCD, it is crucial to understand that these displays are measured diagonally from corner to corner. The 3 inch specification refers to this diagonal measurement. They offer a perfect balance of compactness and adequate screen real estate for numerous applications.

The IPS Advantage

One of the standout features of these screens is their In-Plane Switching (IPS) technology. With this, the Graphic Screen IPS ensures consistent, accurate colors from all viewing angles. This is a significant improvement over traditional TFT LCD screens, which can suffer from distorted colors and contrast when viewed from the side.

Colorful LCD

IF030KR24-40 are classified as Colorful LCDs. They can display a wide range of colors, Enhancing the overall viewing experience. Depending on the specific model and settings, these screens can display a spectrum spanning from 8 colors to a whopping 262k colors.

RGB/SPI/MCU Versatile Interfaces

IF030KR24-40 is compatible with multiple Interface types including RGB, SPI, and MCU. This gives users the flexibility to choose the best Interface for their specific application.

ST7796S Driver

The heart of these 3 inch LCD 240×400 is the ST7796S driver. This chip is responsible for controlling the individual pixels on the screen. It plays an essential role in ensuring high quality, consistent display output.

Viewing angle: 80/80/80/80 (Typ.)(CR≥10)

These 3 inch TFT LCD offer an excellent viewing experience, boasting of a contrast ratio (CR) greater than 10. This means that the brightest color on the screen is more than 10 times brighter than the darkest color. Such a high contrast ratio results in vibrant, Lifelike images.

Weight 28 g
Dimensions 45.04 × 77 × 2.6 mm



, ,


Viewing Angel

Operating Temperature


Driver Board, Touch Screen, FPC Connector, Coverlens and etc.

Scroll to Top