Tags & Keywords
#TFT-LCD #SquareDisplay #3.95inch #480x480 #16.7MColors #Compact #SymmetricalDesign #RoHS #LESSON #SmartDisplay
Introduction
This document is the official product specification for the LSC040I01-R-V1, a 3.95-inch transmissive a-Si TFT-LCD module developed by LESSON Smart Display Technology Co., Ltd. Featuring a perfect square resolution of 480(RGB)×480, 16.7 million colors, and a square form factor, this module is designed for applications where symmetry and compactness are key. It is ideal for wearable devices with circular or square faces, smart home controllers with iconic designs, compact industrial readouts, portable instrumentation, and niche consumer electronics that benefit from a balanced, space-efficient display.
Key Specifications
- Brand & Model: LESSON Smart Display LSC040I01-R-V1
- Screen Size: 3.95 inches (diagonal)
- Module Dimensions: 84.3 (H) × 84.3 (V) × 3.2 (D) mm
- Active Area: 71.86 (H) × 70.18 (V) mm
- Driver IC: ST7701S
- Display Technology: Transmissive type a-Si TFT-LCD
- Module Type: TFT-LCD Module
- Display Resolution: 480(RGB) × 480 pixels (Square)
- Display Colors: Up to 16.7 Million Colors
- Interface: Parallel RGB (inferred from mechanical/optical spec context)
- Absolute Maximum Ratings: [Implied from similar modules, typically -0.3V to 3.6V for VCC, Topr: -20~70°C]
- Optical Characteristics (Typical):
- Response Time (Tr+Tf): 30 ms
- Contrast Ratio (CR): 900:1
- Viewing Angle (CR>10): 80° (All directions)
- White Chromaticity (CIE1931): Wx=0.27, Wy=0.29
- Luminance: 450 cd/m² @ IF=20mA
- Environmental Compliance: RoHS Compliant
General Description
The LSC040I01-R-V1 is a specialized square-format module. The specification provides the critical mechanical dimensions, confirming its symmetrical footprint, and the key optical performance metrics. The 480x480 resolution on a near-square active area is distinctive. The high brightness (450 nits) and good contrast make it suitable for devices that need to be readable in various lighting conditions despite their small size. While the full electrical and interface details are part of the complete document, the provided specs highlight its unique value proposition as a compact, high-quality square display.
Key Features
- Square Format (480x480): Unique resolution for symmetrical or circular UI designs.
- Compact & Symmetrical Package: 84.3mm square module.
- High Brightness: 450 nits for good outdoor/indoor visibility.
- Well-Defined Optical Specs: Ensures consistent visual performance.
- Niche Application Focus: Fills a specific need for non-rectangular displays.
Application Scenarios
- Advanced Wearables: Smartwatches with square or round cases (with a circular overlay).
- Stylish Smart Home Controllers: Thermostats or control panels with a design focus.
- Compact Industrial Displays: For sensor readouts or status indicators.
- Portable Test Equipment: Multimeters, calibrators.
- Specialty Consumer Gadgets: Retro gaming devices, unique audio players.
Conclusion
The LESSON Smart Display LSC040I01-R-V1 caters to a specific niche in the display market. Its square format and balanced specs make it an excellent choice for designers looking to implement a compact, symmetrical, and high-visibility display in their product.
