The LSC0185I02-QS-V1 from LESSON Smart Display Technology represents a sophisticated integration of display technology into a compact 1.85-inch footprint. Designed for applications where space is at a premium but visual clarity is paramount, this module combines a 320(RGB) × 386 resolution with reliable performance across extended temperature ranges.
Core Product Identity & Documentation
- Model: LSC0185I02-QS-V1
- Manufacturer: LESSON Smart Display Technology Co., Ltd. (立信(万安)智显科技有限公司)
- Specification Document: LSC0185I02-QS-V1(SPEC).pdf
- Document Type: Full Mechanical & Electrical Specification
- Release/Upload Timeline: Specification released prior to, and uploaded on, 2025-12-23.
At-a-Glance: Key Specifications
This module is defined by its balanced set of features, crucial for industrial and consumer embedded systems:
- Display Size: 1.85-inch diagonal
- Native Resolution: 320 (RGB) × 386 pixels
- Module Dimensions (H×V×D): 41.54 mm × 50.24 mm × 2.54 mm
- Active Display Area (H×V): 29.57 mm × 35.67 mm
- Critical Interface: Connector model specified as VF=2.9~3.1V.
- Environmental Robustness:
- Operating Temperature: -20°C to +70°C
- Storage Temperature: -30°C to +80°C
- Compliance: Designed to be ROHS compliant.
Detailed Technical Breakdown
1. Mechanical & Physical Construction
The module is built with precision, ensuring easy integration into final products.
- Overall Size: 41.54(H) × 50.24(V) × 2.54(D) mm. The depth is optimized for slim designs.
- Viewable Area: 29.57(H) × 35.67(V) mm, maximizing the screen-to-body ratio.
- Tolerance Control: Critical dimensions like the segment-to-glass edge tolerance are held within ±0.2 mm.
- Mounting & Assembly: Notes indicate the use of high-temperature insulating tape and specific adhesive thicknesses (e.g., 0.1mm double-sided tape) for assembly.
2. Display & Optical Performance
Centered around a quality TFT panel, the module offers clear visual output.
- Panel & Driver: Utilizes a BOE panel driven by a GC9B71 LCD driver IC.
- Pixel Array: 320 × 386 pixel format, providing sharp detail for its size.
- Backlight System: Features an LED backlight circuit (model referenced as LEDA). The design notes specify parameters like
IF=60mAfor LED current.
3. Electrical & Interface Characteristics
Designed for reliable system integration and control.
- Power & Signal: The connector specification (VF=2.9~3.1V) is a key interface parameter.
- Control Features: Includes a sensor interface (noted as "sensor OD").
- Design Notes: Electrical drawings emphasize control of certain heights (e.g., "控制在1.2以内").
4. Reliability & Operational Limits
Engineered for stability in diverse environments.
- Temperature Range: Fully operational from -20°C to +70°C, withstands storage from -30°C to +80°C.
- Regulatory: Confirmed ROHS compliance for environmental standards.
Application Profile
The LSC0185I02-QS-V1 is ideally suited for applications requiring a small, reliable, and clear display:
- Industrial HMIs: Portable handheld terminals, control panel status displays.
- Consumer Electronics: Advanced wearables, smart home controller interfaces, accessory displays.
- Medical Devices: Portable monitor readouts, diagnostic equipment screens.
- Automotive Aftermarket: Secondary information displays, control unit interfaces.
Keywords for Specification & Sourcing
- Primary: 1.85-inch TFT, 1.85" LCD, 320x386 resolution, LSC0185I02-QS-V1
- Technical: GC9B71 driver, BOE panel, LED backlight, operating temperature -20~70°C
- Mechanical: 41.54x50.24x2.54 mm, active area 29.57x35.67 mm, ROHS compliant
- Application: Embedded display, industrial HMI, wearable device display, compact LCD module
