Lixin (Wan'an) Intelligent Display Technology Co., Ltd. (LESSON) introduces the LS0145I05-S-V1, a premium 1.45-inch TFT-LCD module designed for applications requiring a compact yet high-resolution display with rectangular format. This single-model offering represents LESSON's focused solution for the 1.45-inch display segment, delivering exceptional performance with comprehensive technical documentation.
Technical Summary: LS0145I05-S-V1 1.45-inch TFT-LCD Module
Core Specifications
- Display Size: 1.45-inch (diagonal)
- Resolution: 172(RGB) × 320 pixels
- Display Colors: 262K colors
- LCD Type: Transmissive type a-Si TFT-LCD (amorphous silicon thin film transistor liquid crystal display)
- Module Construction: Composed of TFT-LCD panel, driver circuit, and backlight unit
- Interface Type: SPI (Serial Peripheral Interface)
- Display Format: Graphic display with 172×320 dot-matrix
- Display Mode: Active matrix TFT, Transmissive type
Detailed Technical Parameters
General Description
- Product Model: LS0145I05-S-V1
- Manufacturer: LESSON Smart Display Technology Co., Ltd.
- Technology: a-Si TFT-LCD (amorphous silicon thin film transistor liquid crystal display)
- Construction: Three main components:
- TFT-LCD panel
- Driver circuit
- Backlight unit
- Display Capability: Can display up to 262K colors
Physical Features
- Panel Size: 1.45 inch (diagonal measurement)
- Resolution: 172(RGB) × 320 pixels
- Pixel Arrangement: RGB vertical stripe (standard TFT arrangement)
- Active Area: Specific dimensions detailed in mechanical specifications
- Module Outline: Compact design optimized for space-constrained applications
Mechanical Specifications
- Module Dimensions: Detailed mechanical drawings available in specification document
- Active Area (AA): Precise dimensions for display area
- Visible Area (VA): Optimized viewing area dimensions
- Bezel Recommendations:
- Bezel opening should be appropriately sized relative to visible area
- Recommended clearance specifications for optimal appearance
- Mounting Features: Standard mounting holes or adhesive options
- FPC Configuration: Flexible printed circuit with specified bending radius
- Connector Type: Standard FPC connector or soldering pads
Electrical Characteristics
- Operating Voltage: Typical 2.8V-3.3V range
- Logic Voltage: 3.3V compatible interface
- Supply Current: Optimized for low power consumption
- Backlight Specifications:
- Type: White LED backlight
- Configuration: Specific LED arrangement (single or multiple LEDs)
- Forward Voltage (VF): Typically 2.8V-3.3V
- Forward Current (IF): Optimized current for brightness and efficiency
- Driving Method: Constant current or PWM dimming support
- Interface Specifications:
- Interface Type: SPI (4-wire standard)
- Signal Lines: CS, SCL, SDA, DC (standard SPI configuration)
- Data Rate: Compatible with standard SPI clock frequencies
- Timing Requirements: Detailed timing diagrams in specification
- Power Sequencing: Proper power-up and power-down sequences
- ESD Protection: Standard ESD protection levels
Optical Performance
- Luminance: High brightness suitable for various lighting conditions
- Contrast Ratio: High contrast for clear image separation
- Color Gamut: Wide color gamut for vibrant color reproduction
- Viewing Angle: Good viewing angles for different viewing positions
- Response Time: Fast response suitable for dynamic content
- Uniformity: Good brightness and color uniformity across display
- Transmittance: Optimized light transmission efficiency
Environmental Specifications
- Operating Temperature: -20°C to +70°C (industrial grade range)
- Storage Temperature: -30°C to +80°C
- Humidity Range: Standard commercial humidity specifications
- Shock Resistance: Standard TFT-LCD module shock ratings
- Vibration Resistance: Suitable for portable and mobile applications
- Environmental Compliance: ROHS compliant
Interface and Communication
- SPI Interface Details:
- Clock Polarity and Phase: Standard SPI modes supported
- Data Format: RGB color data format
- Command Structure: Standard display controller commands
- Initialization Sequence: Detailed initialization procedure
- Control Signals:
- Chip Select (CS): Active low chip selection
- Serial Clock (SCL): Data clock signal
- Serial Data (SDA): Bidirectional data line
- Data/Command (DC): Data/command selection
- Reset (RST): Hardware reset signal (if available)
- Data Transfer:
- Pixel Data Format: 18-bit RGB (6 bits per color)
- Command Set: Standard display controller command set
- Buffer Management: Display buffer configuration options
Backlight System
- LED Configuration: Optimized LED arrangement for uniform illumination
- Driver Circuit: Efficient backlight driver design
- Dimming Control: PWM dimming support for brightness adjustment
- Efficiency: High optical efficiency for power savings
- Lifetime: Long LED lifetime for reliable operation
Quality and Reliability
- Quality Standards: Comprehensive quality control procedures
- Testing Protocols: Electrical, optical, and environmental testing
- Reliability Metrics: MTBF and other reliability indicators
- Manufacturing Standards: ISO quality management standards
- Documentation Control: Version-controlled specifications
Documentation Structure
The LS0145I05-S-V1 specification document provides comprehensive coverage including:
- General Description - Product overview and basic specifications
- Physical Features - Display characteristics and physical properties
- Mechanical Specification - Detailed dimensions and mechanical properties
- Outline Dimension - Complete mechanical drawings with tolerances
- Absolute Maximum Ratings - Electrical limits and operating boundaries
- Electrical Characteristics - Detailed electrical parameters
- Interface Specifications - SPI interface details and timing
- Backlight Specifications - LED characteristics and driving requirements
- Optical Characteristics - Display performance parameters
- Environmental Specifications - Operating conditions and limits
- Application Guidelines - Design and integration recommendations
- Quality Standards - Inspection criteria and testing procedures
- Version Records - Revision history and change tracking
Application Advantages
High Resolution Advantage
- Pixel Density: 172×320 resolution on 1.45-inch display provides excellent pixel density
- Display Clarity: Sharp text and detailed graphics capability
- Content Space: Ample pixel space for complex user interfaces
- Aspect Ratio: Rectangular format suitable for various content types
Compact Design Benefits
- Space Efficiency: Small footprint ideal for portable devices
- Weight Optimization: Lightweight construction
- Integration Flexibility: Easy integration into various product designs
- Power Efficiency: Optimized for battery-powered applications
Technical Performance
- Color Quality: 262K colors for rich graphical content
- Viewing Experience: Good optical performance across parameters
- Interface Simplicity: SPI interface reduces system complexity
- Reliability: Industrial temperature range for dependable operation
Design Flexibility
- Interface Compatibility: Standard SPI interface widely supported
- Mechanical Options: Multiple mounting and integration options
- Power Options: Flexible power supply configurations
- Control Features: Comprehensive display control capabilities
Target Applications
- Wearable Devices: Smart watches, fitness trackers, health monitors
- Portable Medical Devices: Handheld diagnostic equipment, patient monitors
- Industrial Instruments: Portable test equipment, measurement devices
- Consumer Electronics: Smart home controllers, portable gadgets
- IoT Devices: Connected sensor displays, smart device interfaces
- Automotive Accessories: Secondary displays, control interfaces
- Security Systems: Access control panels, monitoring displays
- POS Systems: Mobile payment terminals, retail displays
- Educational Tools: Learning devices, educational electronics
- Gaming Accessories: Portable gaming device displays
Design Considerations
- Power Management: Consider power requirements for battery operation
- Thermal Design: Account for operating temperature range
- Mechanical Integration: Follow recommended bezel and mounting guidelines
- Electrical Design: Proper SPI interface implementation and signal integrity
- Software Development: Display driver and user interface development
- Testing Validation: Comprehensive testing for reliability assurance
Integration Guidelines
-
Mechanical Integration:
- Follow outline dimension specifications
- Maintain recommended bezel clearances
- Consider FPC bending requirements
- Ensure proper mounting and support
-
Electrical Integration:
- Implement proper power sequencing
- Follow SPI interface timing requirements
- Provide adequate power supply filtering
- Implement proper ESD protection
-
Optical Integration:
- Consider viewing angle requirements
- Account for ambient light conditions
- Optimize bezel design for visual appearance
- Consider anti-glare treatments if needed
-
Software Integration:
- Implement proper initialization sequence
- Optimize display update routines
- Consider power saving modes
- Implement appropriate error handling
Quality Assurance
- Component Quality: High-quality components and materials
- Manufacturing Processes: Controlled manufacturing environment
- Testing Procedures: Comprehensive electrical and optical testing
- Environmental Testing: Temperature, humidity, and mechanical testing
- Reliability Testing: Long-term reliability validation
- Documentation Accuracy: Thorough and accurate technical documentation
Market Perspective
"The LS0145I05-S-V1 represents our commitment to providing high-quality display solutions in the compact display segment," said a LESSON product specialist. "With its 172×320 resolution and comprehensive specifications, this module is ideal for applications where display quality and reliability are critical despite size constraints. The detailed documentation ensures designers have all the information needed for successful integration."
Technical Support
- Application Engineering: Technical support for integration challenges
- Reference Designs: Example circuits and connection diagrams
- Sample Code: Demonstration software for common platforms
- Testing Support: Assistance with validation and testing
- Documentation Updates: Timely updates to technical documentation
Availability and Ordering
The LS0145I05-S-V1 is available for evaluation samples and volume production. Complete technical documentation including mechanical drawings, electrical specifications, and application guidelines is provided in the product specification document.
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Meta Description: Discover LESSON's LS0145I05-S-V1 1.45-inch TFT-LCD module featuring 172×320 resolution, SPI interface, 262K colors, and comprehensive specifications. Ideal for wearables, portable devices, and industrial applications with industrial temperature range and high reliability.
