Tags & Keywords
#TFT-LCD #LVDSInterface #12.1inch #1280x800 #WXGA #16.7MColors #IndustrialDisplay #CommercialDisplay #HighBrightness #RoHS #LESSON #SmartDisplay
Introduction
This document is the official product specification for the LSC121I03-L-V3, a 12.1-inch transmissive a-Si TFT-LCD module developed by LESSON Smart Display Technology Co., Ltd. Featuring a WXGA resolution of 1280(RGB)×800, 16.7 million colors, a single-port LVDS interface, and a high-brightness LED backlight, this module is a robust display solution for demanding environments. It is ideally suited for industrial machinery interfaces, medical equipment, point-of-sale terminals, transportation displays, and commercial signage where reliability, readability, and stable performance are paramount.
Key Specifications
- Brand & Model: LESSON Smart Display LSC121I03-L-V3
- Screen Size: 12.1 inches (diagonal, 16:10)
- Active Area: 261.12 (H) × 163.20 (V) mm
- Driver IC: GT9110
- Display Technology: Color active matrix TFT (a-Si)
- Display Mode: Normally Black
- Module Type: TFT-LCD Module
- Display Resolution: 1280(RGB) × 800 pixels
- Display Colors: 16.7M (8-bit)
- Interface: LVDS 1-port (8-bit), VESA format
- Module Outline Dimensions: 277.7 (H) × 180.6 (V) × 7.5 (D) mm
- Surface Treatment: AG25 (Anti-Glare, 25%)
- Absolute Maximum Ratings:
- Power Supply (VDD): VSS-0.3V to 3.6V
- Backlight Voltage (VLED): 23V to 26.4V
- Operating Temperature: -20°C to +70°C (with specific humidity ranges)
- Electrical Characteristics (Typical):
- VDD Supply: 3.3V @ 180 mA
- Backlight Supply: 24V @ 240 mA
- Backlight Power: 5.76W
- Optical Characteristics (Typical @ Center, Ta=25°C):
- Luminance: 500 cd/m²
- Contrast Ratio (CR): 1200:1
- Color Gamut: 72% NTSC
- Viewing Angle (CR≥10): 85° (All directions: U/D/L/R)
- Response Time: 30 ms
- Luminance Uniformity: 75%
- Backlight Unit:
- Type: White LED
- Configuration: 48 LEDs (8 strings x 6 parallel)
- Lifetime: 30,000 hours (Typ.)
- Reliability: Subject to a suite of tests including High-Temperature Storage, Low-Temperature Operation, Thermal Shock, Vibration, etc.
- Environmental Compliance: RoHS Compliant
General Description
The LSC121I03-L-V3 is a mature and well-characterized industrial display module. Its specification is comprehensive, covering general description, functional block diagram, absolute maximum ratings, detailed electrical characteristics (including full 40-pin LVDS connector pinout), interface timing parameters, power sequence, signal characteristics, reliability test criteria, outline dimensions, and handling precautions. The high brightness (500 nits) and wide color gamut make it suitable for various lighting conditions. The document explicitly notes that the backlight requires an external client-side boost driver circuit, providing flexibility for system-level backlight control (e.g., PWM dimming).
Key Features
- High Brightness & Contrast: 500 nits, 1200:1 CR for excellent readability.
- Industrial Reliability: Defined test criteria ensure durability.
- Detailed Interface Specs: Full LVDS DC/AC timing and pin assignment.
- External Backlight Driver: Allows customized dimming and control.
- Comprehensive Documentation: Includes mechanical, electrical, optical, and reliability data.
Application Scenarios
- Industrial Control Panels: CNC machines, PLC interfaces, automation rigs.
- Medical Monitoring Equipment: Patient vital signs monitors, diagnostic devices.
- Retail & Hospitality POS: Order entry systems, self-service kiosks.
- Transportation: In-vehicle infotainment, passenger information displays.
- Gaming & Arcade Machines.
Conclusion
The LESSON Smart Display LSC121I03-L-V3 is a dependable, high-performance module backed by a thorough specification. It is an excellent choice for engineers designing industrial and commercial systems that require a large, bright, and reliable display with a standard LVDS interface.
