Tags & Keywords
#TFT-LCD #IPS #MIPI #3.95inch #720x720 #16.7MColors #SquareDisplay #HighResolution #WearableTech #SmartWatch #MedicalDevice #IndustrialScanner #RoHS #LESSON #SmartDisplay
Introduction
This document is the official product specification for the LSL0395I13L-MP-V2, a 3.95-inch square transmissive a-Si TFT-LCD module developed by LESSON Smart Display Technology Co., Ltd. Featuring a high-resolution 720x720 square format, 16.7 million colors, and an IPS panel for wide viewing angles, this module is designed for premium compact applications. With its MIPI DSI interface, high brightness, and detailed mechanical/electrical specifications, it serves as an ideal solution for advanced smartwatches, medical monitoring devices, industrial handheld scanners, and other high-end portable equipment.
Key Specifications
- Brand & Model: LESSON Smart Display LSL0395I13L-MP-V2
- Screen Size: 3.95 inches (diagonal)
- Active Area: 71.93 mm (H) × 71.93 mm (V) (Square)
- Driver IC: FL7703NI
- Display Technology: Transmissive type a-Si TFT-LCD
- Display Mode: Active matrix TFT, Transmissive type, IPS (In-Plane Switching)
- Module Type: COG + FPC + B/L + LENS
- Display Resolution: 720(RGB) × 720 pixels
- Display Colors: Up to 16.7 Million Colors
- Module Outline Dimensions (LCM+LENS): 77.02 mm (H) × 83.88 mm (V) × 2.97 mm (D)
- Interface: MIPI DSI
- Viewing Direction: Free (IPS)
- Supply Voltages:
- VSP (Positive Analog): 4.5V ~ 6.2V (Typical: 5.5V)
- VSN (Negative Analog): -6.2V ~ -4.5V (Typical: -5.5V)
- IOVCC (I/O Power): 1.65V ~ 3.3V (Typical: 1.8V)
- Absolute Maximum Ratings:
- IOVCC: -0.3V to +5.5V
- Operating Temperature (T_OPR): -20°C to +70°C
- Storage Temperature (T_STR): -30°C to +80°C
- DC Electrical Characteristics: Defines VIL, VIH levels relative to IOVCC.
- Pin Description: 32-pin connector with MIPI differential data lanes (D0P/N, D1P/N, D2P/N, D3P/N), clock (CLKP/N), power (VSP, VSN, VGH, VGL, VCOM), ground, reset (RESX), and TE output.
- Interface Timing: Extensive MIPI DSI timing tables for High-Speed Mode (UI, tDS, tDH, rise/fall times) and Low-Power Mode (TLPXM, TTA-SURE, etc.), including BTA (Bus Turn-Around) timing.
- Reset Timing: Detailed timing for RESX pin (tRESW >10µs, tREST 15ms/120ms).
- Backlight: 6S2P LED configuration (6 series, 2 parallel). Drive condition: I_F=40mA, V_f=18V (Typical).
- Optical Characteristics (Typical):
- Surface Luminance: 500 cd/m² (400 cd/m² Min)
- Environmental & Design Notes: Includes RoHS compliance, operating/storage temperature, and mechanical assembly guidelines (e.g., VA area margin, TP isolation).
- Environmental Compliance: RoHS Compliant
General Description
The LSL0395I13L-MP-V2 is a high-performance square display module. Its 720x720 IPS panel offers sharp, wide-angle viewing suitable for user interfaces. The FL7703NI is the main LCD driver. The specification is exceptionally detailed, providing a full pinout, comprehensive MIPI DSI timing for both high-speed and low-power states, and precise reset timing with spike rejection logic. The backlight circuit diagram and drive conditions are explicitly provided. Mechanical drawings include critical assembly notes for FPC bending and lens alignment.
Key Features
- High-Resolution Square Format: Ideal for symmetric UI design.
- IPS Panel: Excellent viewing angles.
- High Brightness: Up to 500 cd/m² for outdoor visibility.
- Detailed MIPI & Reset Timing: Ensures robust communication and initialization.
- Explicit Backlight Specs: Simplifies power supply design.
Application Scenarios
- High-End Wearables: Smartwatches, fitness trackers.
- Medical Devices: Portable patient monitors, diagnostic tools.
- Industrial Handhelds: Barcode scanners, data collection terminals.
- Premium Consumer Electronics: Compact multimedia devices, advanced controllers.
- IoT Gateways: With rich graphical interface needs.
Conclusion
The LESSON Smart Display LSL0395I13L-MP-V2 is a top-tier, thoroughly engineered display module for demanding compact applications. Its combination of high resolution, IPS technology, bright backlight, and exhaustive interface documentation makes it a reliable and high-quality choice for developing sophisticated portable and wearable devices.