Tags & Keywords
#TFT-LCD #MIPI #3.97inch #480x800 #16.7MColors #TouchScreen #Compact #SmartDevice #RoHS #LESSON #SmartDisplay
Introduction
This document is the official product specification for the LSC0397I09-MP-V1, a 3.97-inch transmissive a-Si TFT-LCD module developed by LESSON Smart Display Technology Co., Ltd. Featuring a resolution of 480(RGB)×800, 16.7 million colors, an IPS panel, a MIPI-DSI interface, and an integrated capacitive touch panel (CTP), this module is a highly integrated solution for space-constrained smart devices. It is engineered for wearable devices, advanced handheld controllers, portable medical monitors, smart home interfaces, and compact industrial HMIs where a small yet high-quality interactive display is essential.
Key Specifications
- Brand & Model: LESSON Smart Display LSC0397I09-MP-V1
- Screen Size: 3.97 inches (diagonal)
- Active Area (LCD AA): 51.84 (H) × 86.4 (V) mm
- Driver IC: ST7701SN (Main LCD Driver)
- Display Technology: Transmissive type a-Si TFT-LCD
- Display Mode: IPS
- Module Type: COG + FPC + B/L + CTP
- Display Resolution: 480(RGB) × 800 pixels
- Display Colors: Up to 16.7 Million Colors
- Interface: MIPI DSI (2 data lanes: D0, D1) & I2C for Touch (CTP_SCL, CTP_SDA)
- Module Outline Dimensions (LCM OD): 55.44 (H) × 96.17 (V) × 2.05 (D) mm (Typ.)
- Absolute Maximum Ratings (Ta=25°C):
- Supply Voltage (VCC, IOVCC): -0.3V to 3.6V
- Operating Temperature (Topr): -20°C to +70°C
- Storage Temperature (Tstg): -30°C to +80°C
- Electrical Characteristics (Typical):
- VCC: 2.8V (2.5~3.6V)
- IOVCC: 1.8V (1.65~3.3V)
- Backlight: 4S2P configuration, Vf=12V (Typ.), 14-16V (Range) @ IF=40mA
- Pin Description (24-pin FPC): Includes MIPI data/clock pairs, power (VCI, IOVCC), reset (RESET, TP_RST), ground, backlight (LEDA/LEDK), and touch I2C/INT pins.
- Reset Timing: Defines reset pulse duration (TRW: min 10us) and reset cancel time (TRT: max 5ms/120ms depending on mode).
- Mechanical Design Notes: Includes critical recommendations for bezel opening (VA area +0.3mm) and foam cutout (VA area +0.6mm) to ensure proper assembly and prevent shorting.
- Environmental Compliance: RoHS Compliant
General Description
The LSC0397I09-MP-V1 is a densely packed, feature-rich module for its size. The specification covers general description, physical features, detailed outline dimensions with assembly notes, absolute ratings, electrical characteristics, pin description, and reset timing. The IPS technology ensures wide viewing angles. The 4S2P LED backlight configuration indicates a higher voltage requirement, typical for driving multiple LEDs in series. The document provides crucial mechanical integration guidelines to prevent the touch panel from contacting metal conductors and ensure proper visibility. The ST7701SN driver is a common choice for small MIPI displays.
Key Features
- Compact 3.97" IPS Display: Good image quality in a very small form factor.
- Full Touch Integration: Capacitive touch with dedicated I2C and interrupt pins.
- Detailed Mechanical Integration Guide: Essential for successful product design.
- MIPI Interface: Efficient for modern application processors.
- High-Voltage Backlight: Requires appropriate driver circuit design.
Application Scenarios
- Advanced Wearables: Smartwatches, fitness bands with rich interfaces.
- Handheld Industrial Controllers: For portable test and measurement.
- Portable Medical Devices: Vital sign monitors, handheld scanners.
- Smart Home Control Panels: For wall-mounted or portable controllers.
- Compact IoT Device Displays.
Conclusion
The LESSON Smart Display LSC0397I09-MP-V1 is a well-specified, highly integrated module perfect for designing the next generation of compact, interactive smart devices where every millimeter counts and touch interaction is a must.
