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LESSON Smart Display LS035I01-MP-V1 (Driver IC: ST7701S) – 3.5" 320×480 IPS TFT Module for General-Purpose Applications

Tags & Keywords
#TFT-LCD #3.5inch #320x480 #HVGA #IPS #16.7MColors #ST7701S #RGBInterface #LESSON #RoHS

Introduction
This document is the official product specification for the LS035I01-MP-V1, a 3.5-inch transmissive a-Si TFT-LCD module developed by LESSON Smart Display Technology Co., Ltd. Featuring an HVGA resolution of 320(RGB)×480, 16.7 million colors, an IPS panel, and an RGB interface, this module is designed for applications requiring a compact display with wide viewing angles and a standard parallel interface, such as portable instruments, industrial controls, and consumer electronics.

Key Specifications

  • Brand & Model: LESSON LS035I01-MP-V1
  • Screen Size: 3.5 inches (diagonal)
  • Display Technology: Transmissive a-Si TFT-LCD, IPS (In-Plane Switching)
  • Module Type: COG+FPC+B/L
  • Display Resolution: 320(RGB) × 480 pixels (HVGA)
  • Display Colors: 16.7 Million Colors
  • Main LCD Driver IC: ST7701S
  • Interface: RGB Interface (Standard parallel interface)
  • Module Size (W×H×D): 56.04 × 85.56 × 3.0 mm (Typical)
  • Active Area (W×H): 48.96 × 73.44 mm
  • Operating Temperature: -20°C ~ 70°C
  • Storage Temperature: -30°C ~ 80°C
  • Backlight: White LED, 6S2P, Vf=18-21V, If=120mA
  • Power Supply: VCC (2.8V), IOVCC (1.8V)
  • Compliance: ROHS

General Description
The LS035I01-MP-V1 is a widely adopted 3.5-inch IPS display module. Its core features include:

  1. IPS Technology: Provides superior viewing angles compared to standard TN panels, making it suitable for applications where the screen may be viewed from off-center positions.
  2. Standard RGB Interface: Provides an 18-bit parallel data bus, compatible with most microcontrollers and display controllers, offering straightforward integration.
  3. Precise Mechanical Dimensions: The specification includes detailed outline drawings defining the overall module size and the active viewing area, critical for bezel and enclosure design.
  4. Comprehensive Parameter Coverage: The document details the module's physical characteristics, mechanical specifications, electrical characteristics, and optical performance.

Key Features

  • IPS Panel for Wide Viewing Angles: Excellent visual performance from various angles.
  • Classic 3.5" HVGA Format: A popular and versatile display size.
  • Standard RGB Interface: Easy to drive with broad controller support.
  • Clear Mechanical Specifications: Defined module outline and active area dimensions.

Application Scenarios

  • Portable Test & Measurement Equipment
  • Industrial Control Panel Readouts
  • Handheld Consumer Devices
  • Smart Home Interface Panels
  • Point-of-Sale (POS) Terminals

Conclusion
The LESSON LS035I01-MP-V1 is a reliable and well-documented 3.5-inch IPS display module. Its combination of wide viewing angles, standard interface, and clear mechanical specs makes it a practical choice for a wide range of embedded display applications requiring consistent visual quality.

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Eddie Chen
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