Tags & Keywords
#TFT-LCD #LVDSInterface #12.1inch #1280x800 #WXGA #16.7MColors #IndustrialPanel #Kiosk #TouchScreen #RoHS #LESSON #SmartDisplay
Introduction
This document is the official product specification for the LSC121I04-L-V1, a 12.1-inch transmissive TFT-LCD module developed by LESSON Smart Display Technology Co., Ltd. Featuring a WXGA resolution of 1280(RGB)×800, 16.7 million colors, an LVDS interface, and an integrated projected capacitive touch screen (IC: GT911), this module is a high-performance solution for larger interactive displays. It is engineered for industrial control panels, self-service kiosks, point-of-sale systems, medical displays, and digital signage where a robust, reliable, and sizable touch display is required.
Key Specifications
- Brand & Model: LESSON Smart Display LSC121I04-L-V1
- Screen Size: 12.1 inches (diagonal)
- Active Area: 261.12 (H) × 163.20 (V) mm
- Driver IC: Integrated (Display), GT911 (Touch)
- Display Technology: TFT Active Matrix, Normally Black
- Module Type: TFT-LCD Module with I-Touch
- Display Resolution: 1280(RGB) × 800 pixels
- Display Colors: 16.7M (6bit+Hi-FRC)
- Interface: LVDS (40-pin connector, 1 lane, 1 port)
- Touch Interface: I2C (via touch controller GT911)
- Module Outline Dimensions: 287.5 (H) × 191.0 (V) × 8.4 (D) mm (Typ., without FPC)
- Viewing Angle: 85° (All directions: U/D/L/R)
- Absolute Maximum Ratings:
- LCD Operating Voltage (V_DD): 0 to 3.6V
- Operating Temperature (T_OP): -20°C to +70°C
- Storage Temperature (T_ST): -30°C to +80°C
- Electrical Characteristics:
- Supply Current (I_DD): 180 mA (Typ.)
- LVDS Swing Voltage (V_ID): ±100 to ±600 mV
- LVDS Common Mode Voltage (V_IC): 0.7 to 1.6 V
- Backlight Unit (BLU):
- Configuration: LED
- Forward Voltage (V_F): 24V (Typ.)
- Forward Current (I_F): 240 mA (Typ.)
- Power Consumption (P_BL): 6.14W (Typ.)
- PWM Control: Supported (200Hz-20KHz)
- Optical Characteristics (Typical):
- White Luminance (Center): 450 cd/m²
- Contrast Ratio (CR): 1200:1
- Color Gamut: 72% NTSC
- Response Time: 30 ms
- Luminance Uniformity: 80%
- Environmental Compliance: RoHS Compliant
General Description
The LSC121I04-L-V1 is a full-featured industrial-grade display module. It provides a complete specification for integrating a 12.1-inch touch display into an end product. The document covers detailed mechanical dimensions, comprehensive electrical specs for both the LCD (LVDS levels, current draw) and the backlight (voltage, current, PWM), precise interface timing parameters for the LVDS link (pixel clock, horizontal/vertical timing), and a full suite of optical measurements (luminance, contrast, viewing angle, color gamut, chromaticity). It also defines test patterns for power measurement and includes environmental reliability notes. This depth of information is critical for ensuring the display performs correctly in demanding applications.
Key Features
- Large 12.1" Format with Touch: Ideal for interactive kiosks and control panels.
- Industrial-Grade Specification: Includes timing, optical data, reliability specs.
- High-Brightness Backlight (450 nits): Suitable for well-lit environments.
- Wide Color Gamut (72% NTSC): Good color reproduction.
- Detailed Power & Timing Specs: Enables accurate system power design and reliable LVDS link establishment.
Application Scenarios
- Industrial HMIs & Control Panels: For factory automation, process control.
- Self-Service Kiosks: Ticketing, check-in, information points.
- Point-of-Sale Systems: Retail and restaurant order terminals.
- Medical Diagnostic Displays: For patient monitoring or imaging equipment.
- Digital Signage & Interactive Whiteboards.
Conclusion
The LESSON Smart Display LSC121I04-L-V1 is a professional, high-quality module designed for serious industrial and commercial applications. Its exhaustive specification provides all necessary data for successful thermal, electrical, and optical integration, making it a dependable choice for engineers building large-format interactive panels and kiosks.
