Introduction
This document outlines the specifications for the LS035I12-R-V1, a robust 3.45-inch VGA TFT LCD module from LESSON Smart Display. Featuring a 640x480 resolution IPS panel with high brightness (450 cd/m²) and a wide operating temperature range, this module is engineered for durability and clarity in demanding environments. Driven by the NV3052C controller, it is designed to serve as a reliable visual interface for industrial human-machine interfaces (HMIs), portable medical equipment, handheld test instruments, and outdoor portable devices where readability, wide viewing angles, and environmental resilience are critical requirements.
Key Specifications
- Brand & Model: LESSON Smart Display LS035I12-R-V1
- Screen Size: 3.45 inches (diagonal)
- Active Area: 70.08 mm (Width) × 52.56 mm (Height)
- Driver IC: NV3052C
- Display Technology: a-Si TFT, IPS (In-Plane Switching)
- Display Mode: Transmissive, Normally Black
- Display Resolution: 640 (RGB) × 480 pixels (VGA)
- Aspect Ratio: 4:3 (Standard)
- Module Outline Dimensions: 76.30 mm (Width) × 63.30 mm (Height) × [Thickness from spec] (T)
- Viewing Direction: All (IPS characteristic)
- Luminance: 450 cd/m² (Typical)
- Backlight: 12-chip white LEDs
- Operating Temperature: -20°C to +70°C
- Storage Temperature: -30°C to +80°C
- Interface: To be confirmed in full spec (common options include RGB or MCU for VGA).
- Display Colors: 16.7 Million Colors
- Compliance: RoHS
General Description
The LS035I12-R-V1 is a compact yet rugged display module built around a 4:3 aspect ratio VGA (640x480) IPS panel. The 4:3 format is still prevalent and often preferred in industrial and instrumentation applications for displaying data, forms, and control elements. The IPS technology ensures that the display content remains clear and consistent across a wide viewing angle, which is vital for panels mounted on equipment that may be viewed from different positions on a factory floor or in a medical setting.
A key feature of this module is its high typical luminance of 450 nits. This elevated brightness level significantly enhances sunlight readability and ensures the display remains visible in brightly lit indoor environments. The wide operating temperature range of -20°C to +70°C certifies its suitability for use in uncontrolled environments, from cold storage facilities to hot industrial plants. The module's operation is managed by the NV3052C display driver IC, a controller capable of driving this standard resolution. The specific electrical interface (likely a parallel RGB or MCU interface) would be detailed in the complete pinout section. The "Normally Black" mode contributes to good contrast performance. The module is also RoHS compliant, adhering to environmental regulations for hazardous substances.
Application Scenarios
This industrial-grade 3.45-inch module is ideal for:
- Industrial Control Panels: HMIs for PLCs, small machinery, robotics, and process control systems.
- Portable Medical Devices: Handheld diagnostic monitors, infusion pumps, and portable ultrasound units.
- Handheld Test & Measurement Equipment: Multimeters, oscilloscopes, calibrators, and environmental meters.
- Outdoor and Marine Electronics: GPS units, fish finders, and handheld navigation devices.
- Transportation and Logistics: Mobile data terminals for forklifts or delivery vehicles.
- Building Automation: Thermostats, security system keypads, and control panels.
Conclusion
The LESSON Smart Display LS035I12-R-V1 is a purpose-built display module that emphasizes robustness and clarity. Its combination of a VGA IPS panel, high brightness, wide temperature tolerance, and the NV3052C driver IC makes it a dependable workhorse for challenging industrial, medical, and field-use applications. It delivers the essential qualities needed for professional equipment: excellent readability from various angles, performance under harsh conditions, and reliable operation.
