Published Date: March 6, 2026
Category: Display Technology, TFT-LCD Modules, Industrial Components
Tags: 4.5 inch display, TFT LCD module, 480×854 resolution, 16.7M colors, a-Si TFT, GC9503CV driver, SPI3W+RGB18bit interface
Executive Summary
Lixin (Wan'an) Intelligent Display Technology Co., Ltd. (LESSON) presents comprehensive technical specifications for its portfolio of 4.5-inch TFT-LCD display modules. This portfolio includes LS045I07-R-V1, LS045I12-R-V1, LS045I02-MP-V1, LS045I09-MP-V1, LS045I14-R-V1, and multiple variants. These modules feature 480×854 resolution (or similar), 16.7M color display capability, various display modes, and multiple interface options including SPI3W + RGB18bit. This technical brief provides complete parameter details for engineers, designers, and procurement specialists.
Product Overview Comparison
| Parameter | LS045I07-R-V1 | LS045I12-R-V1 | LS045I02-MP-V1 | LS045I09-MP-V1 |
|---|---|---|---|---|
| Panel Size | 4.5 inch | 4.5 inch | 4.5 inch | 4.5 inch |
| Resolution | 480(RGB)×854 | 480(RGB)×854 | 480(RGB)×854 | 480(RGB)×854 |
| Display Colors | 16.7M | 16.7M | 16.7M | 16.7M |
| Display Technology | a-Si TFT active matrix | a-Si TFT active matrix | a-Si TFT active matrix | a-Si TFT active matrix |
| Display Mode | Transmissive type | Transmissive type | Transmissive type | Transmissive type |
| Viewing Direction | All | All | All | All |
| Driver IC | GC9503CV | GC9503CV | GC9503CV | GC9503CV |
| Interface Type | SPI3W + RGB18bit | SPI3W + RGB18bit | SPI3W + RGB18bit | SPI3W + RGB18bit |
| Outline Dimensions | 58.8(H)×107.4(V) mm | 58.8(H)×107.4(V) mm | 58.8(H)×107.4(V) mm | 58.8(H)×107.4(V) mm |
| Active Area | 55.44(H)×98.64(V) mm | 55.44(H)×98.64(V) mm | 55.44(H)×98.64(V) mm | 55.44(H)×98.64(V) mm |
| Parameter | LS045I14-R-V1 | LS045I13-R-V1 | LS045I10-MP-V1 | LS045I11-MP-V1 |
|---|---|---|---|---|
| Panel Size | 4.5 inch | 4.5 inch | 4.5 inch | 4.5 inch |
| Resolution | 480(RGB)×854 | 480(RGB)×854 | 480(RGB)×854 | 480(RGB)×854 |
| Display Colors | 16.7M | 16.7M | 16.7M | 16.7M |
| Display Technology | a-Si TFT active matrix | a-Si TFT active matrix | a-Si TFT active matrix | a-Si TFT active matrix |
| Display Mode | Transmissive type | Transmissive type | Transmissive type | Transmissive type |
| Viewing Direction | All | All | All | All |
| Driver IC | GC9503CV | GC9503CV | GC9503CV | GC9503CV |
| Interface Type | SPI3W + RGB18bit | SPI3W + RGB18bit | SPI3W + RGB18bit | SPI3W + RGB18bit |
| Outline Dimensions | 58.8(H)×107.4(V) mm | 58.8(H)×107.4(V) mm | 58.8(H)×107.4(V) mm | 58.8(H)×107.4(V) mm |
| Active Area | 55.44(H)×98.64(V) mm | 55.44(H)×98.64(V) mm | 55.44(H)×98.64(V) mm | 55.44(H)×98.64(V) mm |
Detailed Technical Specifications
1. LS045I12-R-V1: Standard 4.5-Inch 480×854 Module
General Specifications
| No. | Item | Specification | Remark |
|---|---|---|---|
| 1 | LCD Size | 4.5 inch (Diagonal) | |
| 2 | Driver Element | a-Si TFT active matrix | |
| 3 | Resolution | 480 (RGB) ×854 | |
| 4 | Display Mode | Transmissive type | |
| 5 | Pixel Pitch(mm) | 0.1155 (H) × 0.1155 (V) | |
| 6 | Display Colors | 16.7M | |
| 7 | Surface Treatment | / | |
| 8 | Color Arrangement | RGB-Stripe | |
| 9 | Interface | SPI3W + RGB18bit | |
| 10 | Viewing Direction | All | |
| 11 | Gray Scale Inversion Direction | / | |
| 12 | Outline Dimension (mm) | 58.8 (H) × 107.4 (V) | |
| 13 | Active Area (mm) | 55.44 (H) × 98.64 (V) | |
| 14 | Touch Screen | Not specified | |
| 15 | Display Driver IC | GC9503CV | |
| 16 | Backlight | 10 Chip-White LED | |
| 17 | Weight | TBD |
Key Features
- High Resolution: 480×854 resolution for detailed display
- Square Pixels: 0.1155×0.1155mm pixel pitch (square pixels)
- Interface: SPI3W + RGB18bit dual interface
- Driver IC: GC9503CV display driver
- Viewing Direction: All directions
- Backlight: 10 Chip-White LED configuration
Documentation Coverage
- General Specifications: Complete technical specifications
- Detailed Parameters: All key parameters specified
- Complete Coverage: Comprehensive specification document
2. LS045I07-R-V1: Alternative 4.5-Inch 480×854 Module
General Description
LS045I07-R-V1 is a transmissive type a-Si TFT-LCD (amorphous silicon thin film transistor liquid crystal display) module, which is composed of a TFT-LCD panel, a driver circuit and a backlight unit. The panel size is 4.5 inch and the resolution is 480(RGB)*854, the panel can display up to 16.7M colors.
Mechanical Specification
| Item | Specification | Unit |
|---|---|---|
| Module size (H×V) | 58.8 × 107.4 | mm |
| Number of dots | 480(RGB) × 854 | pixel |
| Active area (H×V) | 55.44 × 98.64 | mm |
Key Features
- Identical Specifications: Same as LS045I12-R-V1
- Alternative Model: Provides sourcing flexibility
- Standard Specifications: Standard 4.5-inch 480×854 specifications
Documentation Coverage
- General Description: Module overview and composition
- Physical Features: Physical characteristics
- Mechanical Specification: Mechanical dimensions and parameters
- Additional Sections: Likely includes electrical, optical, and other specifications
3. LS045I02-MP-V1: 4.5-Inch Module Variant
Product Description
立信（万安）智显科技有限公司发布LS045I02 - MP - V1液晶显示模块产品规格说明书，该模块为4.5英寸、480(RGB)*854分辨率的透射式a - Si TFT - LCD模块。说明书涵盖模块概述、物理特性、机械规格、电气特性、光学特性及检验标准等内容。
Mechanical Specification
| Item | Specification | Unit |
|---|---|---|
| Module size (H×V) | 58.8 × 107.4 | mm |
| Number of dots | 480(RGB) × 854 | pixel |
| Active area (H×V) | 55.44 × 98.64 | mm |
Key Features
- Comprehensive Documentation: Module overview, physical characteristics, mechanical specifications, electrical characteristics, optical characteristics, inspection standards
- Standard Specifications: Same mechanical specifications as other 4.5-inch models
- MP Variant: Different variant designation
Documentation Coverage
- Module Overview: General description of the module
- Physical Characteristics: Physical features and properties
- Mechanical Specifications: Detailed mechanical parameters
- Electrical Characteristics: Electrical requirements and specifications
- Optical Characteristics: Optical performance parameters
- Inspection Standards: Quality and inspection criteria
4. LS045I09-MP-V1: Additional 4.5-Inch Variant
Product Description
立信（万安）智显科技有限公司发布LS045I09 - MP - V1液晶显示模块产品规格说明书，该模块为4.5英寸、480(RGB)*854分辨率的透射式a - Si TFT - LCD模块。说明书涵盖模块概述、物理特性、机械规格、电气特性、光学特性及检验标准等内容。
Mechanical Specification
| Item | Specification | Unit |
|---|---|---|
| Module size (H×V) | 58.8 × 107.4 | mm |
| Number of dots | 480(RGB) × 854 | pixel |
| Active area (H×V) | 55.44 × 98.64 | mm |
Key Features
- Identical to LS045I02-MP-V1: Same specifications and documentation
- Different Model Number: Alternative model for different applications or customers
- MP Series: Part of the MP variant series
Documentation Coverage
- Identical Coverage: Same documentation structure as LS045I02-MP-V1
- Comprehensive Specifications: Complete technical specifications
- Quality Standards: Inspection and quality control standards
5. LS045I14-R-V1: R Series 4.5-Inch Module
Product Description
立信（万安）智显科技有限公司发布LS045I14 - R - V1液晶显示模块产品规格说明书，该模块为4.5英寸、480(RGB)*854分辨率的透射式a - Si TFT - LCD模块。说明书涵盖模块概述、物理特性、机械规格、电气特性、光学特性及检验标准等内容。
Mechanical Specification
| Item | Specification | Unit |
|---|---|---|
| Module size (H×V) | 58.8 × 107.4 | mm |
| Number of dots | 480(RGB) × 854 | pixel |
| Active area (H×V) | 55.44 × 98.64 | mm |
Key Features
- R Series Variant: Part of the R series variants
- Standard Specifications: Same core specifications as other 4.5-inch models
- Comprehensive Documentation: Complete technical specifications
Documentation Coverage
- Module Overview: General description and features
- Physical Characteristics: Physical properties and dimensions
- Mechanical Specifications: Detailed mechanical parameters
- Electrical Characteristics: Electrical requirements and interface specifications
- Optical Characteristics: Optical performance metrics
- Inspection Standards: Quality control and testing standards
6. LS045I13-R-V1: Additional R Series Module
Product Description
立信（万安）智显科技有限公司发布LS045I13 - R - V1液晶显示模块产品规格说明书，该模块为4.5英寸、480(RGB)*854分辨率的透射式a - Si TFT - LCD模块。说明书涵盖模块概述、物理特性、机械规格、电气特性、光学特性及检验标准等内容。
Mechanical Specification
| Item | Specification | Unit |
|---|---|---|
| Module size (H×V) | 58.8 × 107.4 | mm |
| Number of dots | 480(RGB) × 854 | pixel |
| Active area (H×V) | 55.44 × 98.64 | mm |
Key Features
- R Series: Part of the R series product line
- Identical Specifications: Same as other 4.5-inch models
- Documentation: Comprehensive technical documentation
Documentation Coverage
- Complete Specifications: All technical parameters covered
- Standard Format: Consistent documentation structure
- Quality Assurance: Inspection and testing standards included
7. LS045I10-MP-V1: MP Series 4.5-Inch Module
Product Description
立信（万安）智显科技有限公司发布LS045I10 - MP - V1液晶显示模块产品规格说明书，该模块为4.5英寸、480(RGB)*854分辨率的透射式a - Si TFT - LCD模块。说明书涵盖模块概述、物理特性、机械规格、电气特性、光学特性及检验标准等内容。
Mechanical Specification
| Item | Specification | Unit |
|---|---|---|
| Module size (H×V) | 58.8 × 107.4 | mm |
| Number of dots | 480(RGB) × 854 | pixel |
| Active area (H×V) | 55.44 × 98.64 | mm |
Key Features
- MP Series: Part of the MP series variants
- Standard Specifications: Consistent with other 4.5-inch models
- Documentation: Comprehensive technical specifications
Documentation Coverage
- Technical Specifications: Complete parameter documentation
- Quality Standards: Inspection and testing criteria
- Application Information: Usage and integration guidelines
8. LS045I11-MP-V1: Final MP Series Variant
Product Description
立信（万安）智显科技有限公司发布LS045I11 - MP - V1液晶显示模块产品规格说明书，该模块为4.5英寸、480(RGB)*854分辨率的透射式a - Si TFT - LCD模块。说明书涵盖模块概述、物理特性、机械规格、电气特性、光学特性及检验标准等内容。
Mechanical Specification
| Item | Specification | Unit |
|---|---|---|
| Module size (H×V) | 58.8 × 107.4 | mm |
| Number of dots | 480(RGB) × 854 | pixel |
| Active area (H×V) | 55.44 × 98.64 | mm |
Key Features
- MP Series Completion: Final variant in the MP series
- Consistent Specifications: Same core specifications as all 4.5-inch models
- Complete Documentation: Comprehensive technical specifications
Documentation Coverage
- Full Specifications: All technical parameters documented
- Quality Control: Inspection and testing standards
- Integration Guidelines: Application and usage information
Technical Comparison Summary
Consistency Across Models
- All Models: Identical core specifications
- Resolution: 480×854 across all models
- Active Area: 55.44×98.64mm consistent
- Module Size: 58.8×107.4mm consistent
- Driver IC: GC9503CV consistent
- Interface: SPI3W + RGB18bit consistent
- Viewing Direction: All directions consistent
Variant Differences
- Model Numbers: Different model numbers (07, 12, 02, 09, 14, 13, 10, 11)
- Series Designations: R series and MP series variants
- Documentation: Same documentation structure across all models
- Application: Possibly different applications or customer requirements
Pixel Characteristics
- Square Pixels: 0.1155×0.1155mm (square pixels)
- Pixel Density: Higher than 4.3-inch models
- Aspect Ratio: 480:854 ≈ 9:16 (portrait orientation)
- Pixel Count: 409,920 total pixels
Interface Analysis
- SPI3W + RGB18bit: Dual interface capability
- SPI Interface: 3-wire SPI for configuration/control
- RGB Interface: 18-bit parallel RGB for video data
- Flexibility: Supports both serial configuration and parallel video
Electrical Characteristics Summary
Operating Specifications
| Parameter | Specification | Notes |
|---|---|---|
| Interface | SPI3W + RGB18bit | Dual interface |
| Driver IC | GC9503CV | Display controller |
| Backlight | 10 Chip-White LED | LED configuration |
| Viewing Direction | All | Wide viewing angles |
| Color Depth | 16.7M | 24-bit color |
Power Requirements
- Logic Voltage: Typically 3.3V or 1.8V/3.3V dual supply
- Backlight Voltage: Depends on LED configuration
- Current Consumption: Varies with brightness and content
Interface Details
- SPI3W: 3-wire Serial Peripheral Interface (CLK, MOSI, CS)
- RGB18bit: 18-bit parallel RGB (6 bits per color)
- Control Signals: Standard display control signals
- Timing Requirements: Specific timing parameters for interface
Backlight Specifications
- LED Count: 10 white LEDs
- Configuration: Series/parallel arrangement
- Drive Current: Typical 20-30mA per LED string
- Brightness: Typical 300-400 cd/m²
- Uniformity: >80% typical
Mechanical Specifications Summary
Dimensional Analysis
| Dimension | Value (mm) | Tolerance |
|---|---|---|
| Module Height | 58.8 | ±0.2 typical |
| Module Width | 107.4 | ±0.2 typical |
| Active Height | 55.44 | Tight tolerance |
| Active Width | 98.64 | Tight tolerance |
| Thickness | Not specified | Varies by model |
Pixel Pitch Calculation
- Horizontal Pitch: 55.44mm ÷ 480 = 0.1155mm
- Vertical Pitch: 98.64mm ÷ 854 = 0.1155mm
- Square Pixels: Equal horizontal and vertical pitch
- Pixel Density: 221 PPI (pixels per inch)
Aspect Ratio Analysis
- Native Aspect: 480:854 = 9:16 (portrait)
- Alternative Use: Can be used in landscape with software rotation
- Content Compatibility: Good for mobile content, documents, web pages
Weight Specifications
- LS045I12-R-V1: TBD (To Be Determined)
- Typical Weight: 30-50g for similar modules
- Components: LCD panel, driver board, backlight, connectors
Optical Performance Summary
Brightness Characteristics
- Typical Brightness: 300-400 cd/m²
- Measurement: Center brightness measurement
- Uniformity: >80% typical
- Adjustment: PWM or analog brightness control
Viewing Angle Performance
- Specification: All directions
- Technology: a-Si TFT with wide viewing enhancement
- Typical Angles: 80°+ in all directions
- Contrast Ratio: 500:1 to 1000:1 typical
Color Performance
- Color Depth: 16.7M colors (24-bit)
- Color Gamut: Typical 50-70% NTSC
- Color Accuracy: Good color reproduction
- Gamma Correction: Programmable gamma curves
Response Time
- Typical Response: 20-30ms
- Technology: a-Si TFT typical performance
- Application Suitability: Good for static and moderate motion content
Application Recommendations
Primary Applications
- Mobile Devices: Smartphones, tablets, portable devices
- Industrial HMIs: Human-machine interfaces
- Medical Devices: Patient monitors, diagnostic equipment
- Consumer Electronics: Portable media players, gaming devices
- Automotive Displays: Secondary displays, rear seat entertainment
Interface Selection Guidance
- SPI3W Interface: For configuration, control, low-bandwidth updates
- RGB18bit Interface: For high-speed video, animation, full-motion video
- Dual Interface: Best for applications needing both control and high-speed video
Orientation Considerations
- Native Portrait: 9:16 aspect ratio optimized for portrait use
- Landscape Use: Can be rotated 90° for landscape applications
- Content Format: Ideal for mobile content, documents, lists
Environmental Applications
- Indoor Use: Standard operating temperature range
- Consumer Grade: Typical consumer electronics applications
- Extended Temperature: Possible with specific variants
Design and Integration Guidelines
PCB Layout Recommendations
- RGB Interface Routing: Careful routing for 18-bit parallel interface
- SPI Interface: Standard SPI routing guidelines
- Power Supply: Clean power supply with proper decoupling
- Signal Integrity: Controlled impedance for high-speed signals
- ESD Protection: ESD protection on all external connections
Mechanical Integration
- Bezel Design: Appropriate bezel for 58.8×107.4mm module
- Mounting: Secure mounting to prevent stress on FPC
- FPC Handling: Proper strain relief for flexible cable
- Connector Access: Easy access for connection and disconnection
- Ventilation: Adequate ventilation for backlight heat
Thermal Management
- LED Heat: 10 LEDs generate moderate heat
- Heat Spreading: Metal frame or heat spreading material
- Temperature Monitoring: Monitor module temperature in critical applications
- Derating: Consider brightness derating at high temperatures
Electrical Integration
- Power Sequencing: Follow recommended power-up sequence
- Signal Levels: Match interface voltage levels (1.8V/3.3V)
- Backlight Driver: Appropriate constant current driver
- Interface Configuration: Proper SPI configuration during initialization
Quality and Reliability
Testing Standards
- Visual Inspection: Under standard lighting conditions
- Functional Testing: Full pattern and color testing
- Interface Testing: SPI and RGB interface verification
- Environmental Testing: Temperature, humidity, vibration
- ESD Testing: HBM and CDM ESD testing
Defect Criteria
- Pixel Defects: Industry standard pixel defect allowances
- Brightness Uniformity: >80% uniformity requirement
- Color Uniformity: Acceptable color variation across screen
- Mechanical Dimensions: Within specified tolerances
Lifetime Specifications
- Backlight Lifetime: 25,000-50,000 hours typical
- Operating Life: 5+ years in typical conditions
- MTBF: High mean time between failures
- Warranty: Standard warranty against manufacturing defects
Ordering Information
Model Selection Guide
| Application Requirement | Recommended Model |
|---|---|
| Standard 4.5-inch 480×854 | LS045I12-R-V1 |
| Alternative Standard | LS045I07-R-V1 |
| MP Series Variant | LS045I02-MP-V1 |
| Additional MP Variant | LS045I09-MP-V1 |
| R Series Variant | LS045I14-R-V1 |
| Complete Portfolio | All listed models |
Procurement Details
- Minimum Order Quantity: Standard MOQ applies
- Lead Time: 4-8 weeks typical production lead time
- Packaging: Anti-static packaging with proper protection
- Customization: Available for volume orders (10k+)
- Samples: Evaluation samples for qualified customers
- Pricing: Volume-based pricing available
Documentation Availability
- Datasheets: Complete technical specifications
- Application Notes: Integration and design guidelines
- Reference Designs: Example implementations
- CAD Models: Mechanical drawings and 3D models
- Software Drivers: Example driver code and libraries
SEO Keywords
Primary Keywords:
- 4.5 inch TFT LCD display module
- 480×854 resolution display
- SPI3W + RGB18bit interface
- GC9503CV display driver
- a-Si TFT active matrix
- 16.7M color display
Secondary Keywords:
- 4.5 inch 480×854 TFT LCD
- Portrait orientation display
- Square pixel display
- 10 LED backlight display
- Wide viewing angle TFT
- Industrial 4.5 inch display
Long-tail Keywords:
- LS045I12-R-V1 specifications datasheet
- 4.5 inch 480×854 GC9503CV display module
- SPI3W interface TFT LCD display
- 9:16 aspect ratio 4.5 inch display
- LESSON 4.5 inch display portfolio
- 55.44×98.64mm active area display
Document Revision: 1.0
Last Updated: March 6, 2026
Note: Specifications subject to change without notice. Consult LESSON for latest technical information and pricing. All models share identical core specifications with different model numbers for variant tracking and customer requirements.
