Tags & Keywords
#TFT-LCD #IPS #LVDS #21.5inch #1920x1080 #FHD #16.7MColors #DesktopMonitor #IndustrialMonitor #HighContrast #WideViewingAngle #RoHS #LESSON #SmartDisplay
Introduction
This document is the official product specification for the LSC215I04-L-V1, a 21.5-inch desktop-grade transmissive a-Si TFT-LCD module developed by LESSON Smart Display Technology Co., Ltd. Featuring Full HD resolution (1920x1080), 16.7 million colors, high brightness, and a very high contrast ratio, this module is designed for applications requiring a large, high-quality display. With its standard LVDS interface and comprehensive specifications covering electrical, optical, mechanical, and reliability aspects, it serves as a complete solution for desktop PC monitors, industrial control terminals, medical displays, and various professional applications.
Key Specifications
- Brand & Model: LESSON Smart Display LSC215I04-L-V1
- Screen Size: 21.5 inches (diagonal)
- Active Area: 476.64 mm (H) × 268.11 mm (V) (or 478.656 x 260.28 mm per variant)
- Driver IC: Integrated Timing Controller (TCON) with LVDS Rx & Mini-LVDS Tx
- Display Technology: Color active matrix TFT LCD (a-Si)
- Display Mode: Normally Black
- Module Type: Open Cell with LED Backlight Unit
- Display Resolution: 1920(H) × 1080(V) pixels (FHD)
- Display Colors: 16.7 Million Colors
- Pixel Arrangement: RGB Vertical Stripe
- Module Outline Dimensions: 495.6 mm (H) × 292.2 mm (V) × 9.5 mm (D) typ (Without PCB)
- Interface: LVDS (Low Voltage Differential Signaling), 2 ports, DE only mode
- Supply Voltage:
- VDD (Logic & Panel): 4.5V ~ 5.5V (Typical: 5.0V)
- LED Driver Input (VPIN): 50.4V ~ 59.4V (Typical: 54V)
- Power Consumption:
- Module (Typ.): 3.6 W
- Backlight (Typ.): 12.96 W
- Total (Typ.): ~16.56 W
- Absolute Maximum Ratings:
- VDD: -0.3V to +6.0V
- Operating Temperature (T_OPR): 0°C to +50°C
- Storage Temperature (T_STR): -20°C to +60°C
- Optical Characteristics (Typical):
- Brightness: 250 cd/m² (500 nits variant exists)
- Contrast Ratio: 3000:1
- Viewing Angle (CR>10): 89° (Horizontal & Vertical)
- Response Time (GTG): 7.0 ms
- White Point (CIE1931): Wx~0.313, Wy~0.329
- Touch Panel Option: Specs for an optional Glass/Glass capacitive touch panel are included.
- Reliability Tests: Includes ball drop, hardness, warpage, and FPC peel tests.
General Description
The LSC215I04-L-V1 is a full-featured, large-format LCD module. It uses an integrated LVDS receiver and timing controller, accepting a standard LVDS signal from a host graphics source. The DE (Data Enable) only mode simplifies timing. The optical performance is highlighted by a very high contrast ratio (3000:1) and wide viewing angles. The document includes detailed signal timing specifications for the LVDS input (clock frequency, frame rate, horizontal/vertical timing) and a crucial power sequence timing diagram with defined delays (T1-T7) for proper module turn-on/off.
Interface & Timing Key Points
- LVDS Clock Frequency: 50 ~ 96 MHz (Typ. 74.25 MHz)
- Frame Rate: 48 ~ 75 Hz (Typ. 60 Hz)
- Input Format: Supports spread spectrum clocking (SSC).
- Power Sequence: Strict timing required between VDD, LVDS signal, and backlight enable to avoid damage.
Application Scenarios
- Desktop PC Monitors: General office, home, and professional use.
- Industrial Control Terminals: Factory automation, process control rooms.
- Medical Displays: Patient monitoring, diagnostic review stations.
- Point-of-Sale & Kiosks: Retail, hospitality, information terminals.
- Gaming & Entertainment: Arcade machines, casino displays.
Conclusion
The LESSON Smart Display LSC215I04-L-V1 is a professional-grade, large-format display module with comprehensive specifications akin to a finished monitor panel. Its high contrast ratio, detailed timing requirements, and inclusion of touch panel and reliability data make it suitable for integrators and OEMs building reliable monitor solutions for commercial and industrial markets.
