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.

  • Wide Viewing Angle

These 3 inch TFT LCD offer an excellent viewing experience 80/80/80/80 (Typ.)(CR≥10), 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