Tags & Keywords
#TFT-LCD #RGBInterface #3.95inch #480x480 #SquareDisplay #16.7MColors #IPS #IndustrialHMI #Instrumentation #RoHS #LESSON #SmartDisplay
Introduction
This document is the official product specification for the LSC0395I08-R-V1, a 3.95-inch transmissive a-Si TFT-LCD module developed by LESSON Smart Display Technology Co., Ltd. Featuring a square resolution of 480(RGB)×480, 16.7 million colors, an IPS panel, and a parallel RGB interface, this module is a robust and practical display solution. It is well-suited for industrial human-machine interfaces (HMIs), test and measurement instrumentation, process control displays, and embedded systems where a durable, readable square display with wide viewing angles is required for status monitoring and control.
Key Specifications
- Brand & Model: LESSON Smart Display LSC0395I08-R-V1
- Screen Size: 3.95 inches (diagonal)
- Active Area: 71.86 (H) × 70.18 (V) mm
- Driver IC: ST7701SN
- Display Technology: Transmissive type a-Si TFT-LCD
- Display Mode: Normally Black, IPS
- Module Type: COG + FPC + B/L + CTP
- Display Resolution: 480(RGB) × 480 pixels
- Display Colors: Up to 16.7 Million Colors
- Interface: Parallel RGB & SPI (Pin description includes SDA, SCK, CS for SPI; DB0-DB17, PCLK, DE, VSYNC, HSYNC for RGB)
- Module Outline Dimensions: 84.0 (H) × 84.0 (V) × 3.03 (D) mm
- Absolute Maximum Ratings:
- Supply Voltage (VCC, IOVCC): -0.3V to +3.6V
- Operating Temperature (T_OPR): -20°C to +70°C
- Storage Temperature (T_STR): -30°C to +80°C
- Electrical Characteristics (Typical):
- Supply Voltage (VCC): 2.8V (2.5~3.6V)
- I/O Supply Voltage (IOVCC): 1.8V (1.65~3.3V)
- RGB Interface Timing: Defines setup/hold times for SYNC, ENABLE, and data; DOTCLK cycle time (TCYCD): 33 ns.
- Electro-Optical Characteristics (Typical):
- Response Time (Tr+Tf): 30 ms (Max: 40 ms)
- Contrast Ratio (CR): 1200:1
- Viewing Angle (CR>10): 85° (All directions)
- White Chromaticity (CIE1931): Wx=0.302, Wy=0.337
- Environmental Compliance: RoHS Compliant
General Description
The LSC0395I08-R-V1 is a practical square-format industrial display module. It shares the core square IPS design with the LSC040I01-R-V1 but is documented with a focus on industrial reliability and control. The specification provides the essential absolute maximum ratings and DC electrical characteristics needed for robust system design. It includes a pinout supporting both RGB and SPI interfaces, offering control flexibility. The electro-optical characteristics are clearly defined with min/typ/max values, and the RGB timing parameters are provided for host controller configuration. Detailed mechanical drawings and assembly notes (e.g., bezel clearance, foam cutout requirements) are included, which are critical for successful integration into industrial enclosures.
Key Features
- Square IPS Display for Industrial Use: Durable format with wide viewing angles for control panels.
- Dual Interface (RGB & SPI): Flexible control options for different host systems.
- Complete Reliability Data: Absolute max ratings and operating temperature range.
- Detailed Mechanical Integration Notes: Guidelines for enclosure design to ensure proper function.
- ST7701SN Driver: Proven and reliable display driver IC.
Application Scenarios
- Industrial HMIs: Control panels for packaging machines, CNC interfaces, robotic teach pendants.
- Test & Measurement Instruments: Bench power supplies, signal generator displays.
- Process Control Displays: Status monitors for chemical processing, water treatment.
- Embedded System Consoles: For industrial computers and gateways.
- Specialized Vehicle Displays: For agricultural or construction equipment.
Conclusion
The LESSON Smart Display LSC0395I08-R-V1 is a workhorse square display module built for the demands of industrial and instrumentation applications. Its comprehensive specification covering electrical safety, interface options, optical performance, and mechanical integration makes it a dependable and easy-to-integrate choice for engineers building robust professional equipment.
