Introduction
This document provides the product specification for the LSC032I02-R-V1, a 3.2-inch transmissive a-Si TFT-LCD module from LESSON Smart Display. Designed as a complete module with COG, FPC, and backlight unit, it offers a standard QVGA resolution display capable of 262 thousand colors. With detailed specifications covering mechanical, electrical, and electro-optical characteristics, this module serves as a reliable display solution for a wide range of embedded systems, portable devices, and industrial controls requiring a compact, color graphical interface.
Key Specifications
- Brand & Model: LESSON Smart Display LSC032I02-R-V1
- Screen Size: 3.2 inches (diagonal)
- Active Area: 48.6 mm (H) × 64.8 mm (V)
- Driver IC: Not explicitly stated in the provided specification. The module supports both Serial (3-line) and RGB parallel interfaces.
- Display Technology: Transmissive type a-Si TFT-LCD (Amorphous Silicon Thin Film Transistor Liquid Crystal Display)
- Module Type: COG + FPC + B/L (Chip-On-Glass, Flexible Printed Circuit, Backlight)
- Display Resolution: 240(RGB) × 320 pixels (QVGA)
- Display Colors: Up to 262 Thousand Colors
- Module Outline Dimensions: 55.05 mm (H) × 75.2 mm (V) × 2.84 mm (D)
- Interface: Supports both RGB Parallel Interface (16-bit data bus: DB0-DB15, with HSYNC, VSYNC, DE, PCLK) and 3-line Serial Interface (CS, SCL, SDA).
- Luminance: 400 cd/m² (Typical, at IF=100mA)
- Contrast Ratio: 1200:1 (Typical)
- Viewing Angle: 80 degrees (Typical, all directions: Top, Bottom, Left, Right, at CR>10)
- Response Time (Tr+Tf): 30 ms (Typical), 35 ms (Max)
- Supply Voltage (VCC, IOVCC): -0.3V to 4.6V (Absolute Max), typical operating range implied from interface specs.
- Operating Temperature: -10°C to +60°C
- Storage Temperature: -20°C to +70°C
General Description
The LSC032I02-R-V1 is a versatile and well-documented TFT LCD module. Its 3.2-inch size with QVGA resolution provides a balanced display area for user interfaces in many embedded applications. A key feature is its dual-interface capability. Designers can choose the high-speed RGB parallel interface for direct connection to graphics controllers or application processors, utilizing the 16-bit data bus and control signals (HSYNC, VSYNC, DE, PCLK). Alternatively, the 3-line serial interface (CS, SCL, SDA) offers a pin-saving option for connection to microcontrollers, with detailed timing characteristics provided for both read and write operations.
The module exhibits strong optical performance with a high typical contrast ratio of 1200:1 and a bright 400-nit backlight, ensuring good readability. The wide 80-degree viewing angle (all directions) indicates the use of a wide-viewing technology like TN with wide-view film or IPS. The electro-optical characteristics are thoroughly defined, including response time, white point chromaticity (Wx: 0.307, Wy: 0.342), and transmittance. The backlight uses LEDs driven at a typical current of 100mA (Vf=2.7-3.4V). The comprehensive pin description includes all signals for display, backlight (LEDA, LEDK), power (VCC, IOVCC, GND), and even a tearing effect (TE) output signal for synchronizing frame updates with an MCU.
Application Scenarios
This general-purpose QVGA module is suitable for numerous applications:
- Industrial Human-Machine Interfaces (HMIs): Control panels for machinery, test equipment, and monitoring systems.
- Portable Consumer Devices: Handheld gaming consoles, portable media players, or smart home controllers.
- Medical and Healthcare Devices: Patient monitors, diagnostic equipment, or portable medical instruments.
- Point-of-Sale (POS) Terminals: Customer-facing displays or operator interfaces.
- Automotive Aftermarket Displays: For car audio systems, rear-view cameras, or navigation units.
- IoT and Smart Appliances: As a status and control interface for advanced appliances.
Conclusion
The LESSON Smart Display LSC032I02-R-V1 is a robust and flexible display solution. Its clear documentation, dual-interface support (RGB and Serial), and solid electro-optical performance make it an excellent choice for engineers seeking a reliable, off-the-shelf display module. It effectively balances functionality, size, and cost for a broad spectrum of embedded design projects.
