LESSON 3.5-Inch TFT-LCD Display Modules: Complete Technical Specifications Portfolio

Published Date: March 6, 2026
Category: Display Technology, TFT-LCD Modules, Industrial Components
Tags: 3.5 inch display, TFT LCD module, VGA resolution, IPS display, MIPI interface, RGB interface


Executive Summary

Lixin (Wan'an) Intelligent Display Technology Co., Ltd. (LESSON) presents comprehensive technical specifications for its complete portfolio of 3.5-inch TFT-LCD display modules. This portfolio includes LS035I06-M-V1, LS035I01-R-V1, LS035I03-MP-V1, LS035I05-MP-V1, LS035I08-MP-V1, LS035I10-MP-V1, LS035I12-R-V1, and LSL035I08-MP-V1. These modules feature 320×480 (VGA) or 640×480 resolution, 16.7M color display capability, and multiple interface options including MIPI, RGB, and SPI. This technical brief provides complete parameter details for engineers, designers, and procurement specialists.


Product Overview Comparison

Parameter LS035I06-M-V1 LS035I01-R-V1 LS035I03-MP-V1 LS035I05-MP-V1
Release Date 2024-12-30 2025-12-23 2025-12-23 2023-09-05
Panel Size 3.5 inch 3.5 inch 3.5 inch 3.5 inch
Resolution 320(RGB)×480 320(RGB)×480 640(RGB)×480 640×480
Display Colors 16.7M colors 16.7M colors 16.7M colors 262K colors
Display Technology Transmissive a-Si TFT-LCD Transmissive a-Si TFT-LCD Transmissive IPS TFT-LCD Transmissive a-Si TFT-LCD
Viewing Direction Not specified Transmissive, IPS Transmissive, IPS ALL directions
Driver IC ST7365P ILI9488 ST7703 ST7703
Interface Type Not specified Not specified Not specified MIPI
Backlight Not specified 6 Chip-White LED Parallel 6 Chip-White LED Serial 6 White LEDs In Parallels
Module Dimensions Not specified 51.96×80.22×0.8mm Not specified 76.2×63.2mm
Active Area Not specified 48.96×73.44mm Not specified 70.08×52.56mm
Operating Temperature -20°C to 70°C -10°C to 60°C -10°C to 60°C Not specified
Storage Temperature -30°C to 80°C -20°C to 70°C -20°C to 70°C Not specified
Parameter LS035I08-MP-V1 LS035I10-MP-V1 LS035I12-R-V1 LSL035I08-MP-V1
Release Date 2024-11-15 2025-12-23 2026-01-13 2024-11-15
Panel Size 3.49 inch 3.45 inch 3.45 inch 3.49 inch
Resolution 640×480 640×480 640×480 640×480
Display Colors 16.7M colors Not specified Not specified 16.7M colors
Display Technology Transmissive TFT Transmissive TFT Transmissive TFT Transmissive TFT
Viewing Direction ALL Normally White Normally Black ALL
Driver IC FL7703N FL7703N NV3052C FL7703N
Interface Type MIPI 4 DOT Not specified Not specified MIPI 4 DOT
Backlight White LED Backlight 6 Chip-White LED, 6 Series 12 Chip-White LEDs White LED Backlight
Module Dimensions 76.95×64.00×2.93mm Not specified Not specified 76.95×64.00×2.93mm
Active Area 70.08×52.56mm 70.08×52.56mm 70.08×52.56mm 70.08×52.56mm
Operating Temperature Not specified -20°C to 70°C -20°C to 70°C Not specified
Storage Temperature Not specified -30°C to 80°C -30°C to 80°C Not specified

Detailed Technical Specifications

1. LS035I06-M-V1: Standard VGA Display Module

General Description

LS035I06-M-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 3.5 inch and the resolution is 320(RGB)*480, the panel can display up to 16.7 M colors.

Physical Features

Feature Specification
Display Mode TFT-LCD Module
Display Technology Active matrix TFT, Transmissive type
Panel Size 3.5 inch diagonal
Resolution 320(RGB) × 480 pixels
Color Depth 16.7 million colors
Driver IC ST7365P

Key Specifications

  • Operating Temperature: -20°C to 70°C
  • Storage Temperature: -30°C to 80°C
  • ROHS Compliance: Yes
  • Backlight Type: Standard backlight unit included
  • Mechanical Tolerance: ±0.2mm for segments to edge of glass

2. LS035I01-R-V1: IPS VGA Display Module

General Description

LS035I01-R-V1 is a transmissive type a-Si TFT-LCD module composed of a TFT-LCD panel, driver circuit and backlight unit. The 3.5-inch panel delivers 320(RGB)×480 resolution with 16.7M color display capability.

Mechanical Specification

Item Specification Unit
Module size (H×V×D) 51.96 × 80.22 × 0.8 mm
Number of dots 320(RGB) × 480 pixel
Active area (H×V) 48.96 × 73.44 mm

Technical Notes

  1. DISPLAY TYPE: Main LCD: Transmissive, IPS
  2. OPERATING TEMP: -10°C to 60°C
  3. STORAGE TEMP: -20°C to 70°C
  4. MAIN LCD DRIVER: ILI9488
  5. Backlight: 6 Chip-White LED Parallel
  6. ROHS COMPLIANCE: Yes
  7. 外壳可视区建议: 比VAmds单边大0.3mm以上
  8. 机壳泡棉开窗建议: 比VAmds单边大0.6mm以上
  9. TP边缘要求: 不能接触到金属导体
  10. 玻璃边缘公差: ±0.2MM

Backlight Specifications

  • Drive Condition: IF=120mA, Vf=2.8~3.2V (TYP)
  • LED Configuration: 6 Chip-White LED Parallel connection
  • Circuit Diagram: Provided in specification document

Pin Configuration (40-pin Interface)

Pin Symbol Pin Symbol Pin Symbol Pin Symbol
1 LEDK 11 DB11 21 DB6 31 DB1
2 LEDA 12 DB10 22 DB5 32 DB0
3 VDD 13 DB9 23 DB4 33 WRX
4 GND 14 DB8 24 DB3 34 RDX
5 RESET 15 DB7 25 DB2 35 CS
6 NC 16 NC 26 NC 36 TE
7 NC 17 NC 27 NC 37 VSYN
8 NC 18 NC 28 NC 38 HSYN
9 NC 19 NC 29 NC 39 PCLK
10 NC 20 NC 30 NC 40 GND

3. LS035I03-MP-V1: IPS High-Resolution Module

General Description

LS035I03-MP-V1 is a high-resolution 3.5-inch TFT-LCD module with 640×480 resolution and IPS technology for wide viewing angles.

Technical Notes

  1. DISPLAY TYPE: Main LCD: Transmissive, IPS
  2. OPERATING TEMP: -10°C to 60°C
  3. STORAGE TEMP: -20°C to 70°C
  4. MAIN LCD DRIVER: ST7703
  5. Backlight: 6 Chip-White LED Serial
  6. ROHS COMPLIANCE: Yes
  7. 外壳可视区建议: 比VAmds单边小0.3mm以上
  8. 机壳泡棉开窗建议: 比VAmds单边大0.6mm以上
  9. TP边缘要求: 不能接触到金属导体
  10. 玻璃边缘公差: ±0.2MM

Key Features

  • High Resolution: 640×480 pixels (VGA format)
  • IPS Technology: Wide viewing angle performance
  • ST7703 Driver: Advanced display controller
  • Serial LED Backlight: 6-chip white LED in series configuration

Backlight Specifications

  • Drive Condition: If=20mA, Vf=16.0V~18.5V
  • LED Configuration: 6 Chip-White LED Serial connection
  • Voltage Requirement: Higher voltage due to series configuration

4. LS035I05-MP-V1: MIPI Interface Module

General Information

Items Specification Unit Note
Drive element a-Si TFT - -
LCM outline size 76.2 (H) × 63.2 (V) mm -
Active area 70.08 (H) × 52.56 (V) mm -
Number of pixels 640(H) × 480(V) pixels -
Pixel arrangement RGB stripe - -
Pixel Pitch 109.5 × 109.5 μm -
Display color 262K-color color -
Viewing direction ALL - -
Controller / Driver ST7703 - -
Data interface MIPI - -
Backlight 6 White LEDs In Parallels - -
Weight TBD g -

Key Specifications

  • Display Technology: a-Si TFT Active Matrix
  • Color Depth: 262K colors (18-bit)
  • Interface: MIPI (Mobile Industry Processor Interface)
  • Pixel Density: Approximately 229 PPI
  • Aspect Ratio: 4:3 standard VGA

Optical Characteristics

  • Viewing Direction: All directions (wide viewing angle)
  • Pixel Configuration: RGB stripe arrangement
  • Sub-pixel Size: 109.5μm × 109.5μm
  • Active Area: 70.08mm × 52.56mm (3.5-inch diagonal)

5. LS035I08-MP-V1 & LSL035I08-MP-V1: MIPI 4-DOT Modules

Mechanical Specifications

Item Contents UNIT
LCD Type TFT 3.49" VGA, Transmissive -
Outline Dimension 76.95(W) × 64.00(H) × 2.93MAX(T) mm
Active Area 70.08(W) × 52.56(H) mm
Viewing direction ALL -
Driver IC FL7703N -
Display Color 16.7M -
Number of Dots 640 × (RGB) × 480 Dots
Dot Pitch (H×V) 0.1095(H) × 0.1095(V) μm
Assy Type COG+FPC+BL -
BACKLIGHT WHITE LED Backlight -
Interface MIPI 4 DOT -

Key Features

  • High Color Depth: 16.7 million colors (24-bit)
  • MIPI Interface: 4-lane MIPI interface for high-speed data transfer
  • FL7703N Driver: Advanced display controller with MIPI support
  • COG+FPC Assembly: Chip-on-Glass with Flexible Printed Circuit
  • Standard VGA: 640×480 resolution with 4:3 aspect ratio

Physical Dimensions

  • Module Thickness: Maximum 2.93mm (compact design)
  • Active Area: 70.08mm × 52.56mm (3.49-inch diagonal)
  • Pixel Pitch: 0.1095mm × 0.1095mm
  • Assembly Type: COG (Chip-on-Glass) with FPC and Backlight

6. LS035I10-MP-V1: Normally White Display Module

General Description

LS035I10-MP-V1 is a 3.45-inch TFT-LCD module with normally white display mode and 640×480 resolution.

Technical Notes

  1. DISPLAY TYPE: 3.45", TFT LCD
  2. DISPLAY MODE: TRANSMISSIVE, MODE POSITIVE
  3. VIEWING DIRECTION: NORMALLY WHITE
  4. DRIVER IC: FL7703N
  5. OPERATING TEMP: -20°C to 70°C
  6. STORAGE TEMP: -30°C to 80°C
  7. Backlight: 6 CHIP-WHITE LED, 6 Series 1 Connection
  8. ENVIRONMENTAL PROTECTION: RoHS compliant
  9. KEY DIMENSION: Reference dimension provided
  10. BRIGHTNESS: Not specified

Backlight Specifications

  • Drive Condition: IF=20mA, Vf=19.2V (TYP)
  • LED Configuration: 6 Chip-White LED, 6 Series 1 Connection
  • Forward Voltage: 19.20±1.20V (high voltage series configuration)

Mechanical Features

  • Module Size: Approximately 76.30×63.30mm
  • Active Area: 70.08×52.56mm
  • LCD Thickness: 1.00mm
  • FPC+PI Reinforcement: Total thickness 0.30±0.03mm
  • POL Thickness: 0.15mm (upper polarizer)

7. LS035I12-R-V1: High-Brightness Display Module

General Description

LS035I12-R-V1 is a 3.45-inch TFT-LCD module with high brightness capability and normally black display mode.

Technical Notes

  1. DISPLAY TYPE: 3.45", TFT LCD
  2. DISPLAY MODE: TRANSMISSIVE, MODE POSITIVE
  3. VIEWING DIRECTION: NORMALLY BLACK
  4. DRIVER IC: NV3052C
  5. OPERATING TEMP: -20°C to 70°C
  6. STORAGE TEMP: -30°C to 80°C
  7. Backlight: 12 CHIP-WHITE LEDS
  8. BRIGHTNESS: 450CD/m² (typ)
  9. ENVIRONMENTAL PROTECTION: RoHS compliant
  10. KEY DIMENSION: Reference dimension provided

Backlight Specifications

  • Drive Condition: IF=40mA, Vf=16.8~19.2V
  • LED Configuration: 12 Chip-White LEDs
  • Brightness: 450 cd/m² typical (high brightness)
  • Forward Voltage Range: 16.8V to 19.2V

Mechanical Features

  • Module Size: Approximately 76.30×63.30mm
  • Active Area: 70.08×52.56mm
  • LCD Thickness: 1.00mm
  • FPC+PI Reinforcement: Total thickness 0.30±0.03mm
  • Viewing Area: 640×480 pixels (3.45" IPS)

8. LSLI03501VGA-RV1: Alternative VGA Module

General Description

LSLI03501VGA-RV1 is a transmissive type a-Si TFT-LCD module composed of a TFT-LCD panel, driver circuit and backlight unit. The panel size is 3.5 inch and the resolution is 480(RGB)*480, the panel can display up to 16.7M colors.

Key Specifications

  • Panel Size: 3.5 inch diagonal
  • Resolution: 480(RGB) × 480 pixels (square format)
  • Color Depth: 16.7 million colors
  • Display Technology: a-Si TFT Active Matrix
  • Module Composition: TFT-LCD panel + driver circuit + backlight unit

Unique Features

  • Square Resolution: 480×480 pixels (1:1 aspect ratio)
  • High Color Depth: 16.7M colors (24-bit)
  • Standard Temperature Ranges: Operating and storage temperatures specified
  • Material Standards: Compliance with industry material standards

Technical Comparison Summary

Resolution Categories

  • Standard VGA (320×480): LS035I06-M-V1, LS035I01-R-V1
  • High Resolution VGA (640×480): LS035I03-MP-V1, LS035I05-MP-V1, LS035I08-MP-V1, LS035I10-MP-V1, LS035I12-R-V1, LSL035I08-MP-V1
  • Square Format (480×480): LSLI03501VGA-RV1

Display Technology

  • IPS Technology: LS035I01-R-V1, LS035I03-MP-V1 (wide viewing angles)
  • Standard TFT: LS035I06-M-V1, LS035I05-MP-V1, LS035I08-MP-V1, LS035I10-MP-V1, LS035I12-R-V1
  • Viewing Mode: Normally White (LS035I10-MP-V1), Normally Black (LS035I12-R-V1)

Interface Types

  • MIPI Interface: LS035I05-MP-V1, LS035I08-MP-V1, LSL035I08-MP-V1
  • RGB/Parallel Interface: LS035I01-R-V1, LS035I06-M-V1
  • SPI Interface: Available on some models (not fully specified)

Driver IC Comparison

  • ST7703: LS035I03-MP-V1, LS035I05-MP-V1
  • ILI9488: LS035I01-R-V1
  • ST7365P: LS035I06-M-V1
  • FL7703N: LS035I08-MP-V1, LS035I10-MP-V1, LSL035I08-MP-V1
  • NV3052C: LS035I12-R-V1

Backlight Configurations

  • 6 LED Parallel: LS035I01-R-V1, LS035I05-MP-V1
  • 6 LED Serial: LS035I03-MP-V1, LS035I10-MP-V1
  • 12 LED Configuration: LS035I12-R-V1 (high brightness)
  • Standard White LED: LS035I08-MP-V1, LSL035I08-MP-V1

Electrical Characteristics Summary

Operating Temperature Ranges

Model Operating Temp Storage Temp
LS035I06-M-V1 -20°C to 70°C -30°C to 80°C
LS035I01-R-V1 -10°C to 60°C -20°C to 70°C
LS035I03-MP-V1 -10°C to 60°C -20°C to 70°C
LS035I10-MP-V1 -20°C to 70°C -30°C to 80°C
LS035I12-R-V1 -20°C to 70°C -30°C to 80°C

Power Requirements

  • Logic Voltage: Typically 1.8V, 2.8V, or 3.3V depending on interface
  • Backlight Voltage: 2.8-3.2V for parallel LED, 16-19V for series LED
  • Current Consumption: Varies by backlight configuration (20-120mA per LED string)

Signal Interface Levels

  • Input High Voltage: 0.7×VDDI to VDDI
  • Input Low Voltage: 0 to 0.3×VDDI
  • Output Drive Capability: Typically ±1mA to ±4mA
  • ESD Protection: Built-in to varying degrees

Mechanical Specifications Summary

Module Dimensions

Model Module Size (mm) Active Area (mm) Thickness (mm)
LS035I01-R-V1 51.96 × 80.22 × 0.8 48.96 × 73.44 0.8
LS035I05-MP-V1 76.2 × 63.2 70.08 × 52.56 Not specified
LS035I08-MP-V1 76.95 × 64.00 × 2.93 70.08 × 52.56 2.93MAX
LSL035I08-MP-V1 76.95 × 64.00 × 2.93 70.08 × 52.56 2.93MAX

Common Mechanical Features

  • FPC Connector: Typically 40-pin, 0.5mm pitch
  • PI Reinforcement: 0.30±0.03mm thickness standard
  • Mounting Holes: Standard mounting pattern for 3.5-inch displays
  • Bezel Dimensions: Varies by model, typically 2-3mm border

Tolerance Specifications

  • Glass Edge Tolerance: ±0.2mm standard across all models
  • Unspecified Tolerances: ±0.2mm typically
  • Critical Dimensions: Marked with * in drawings
  • Reference Dimensions: Marked with () in drawings

Optical Performance Summary

Brightness Levels

  • Standard Brightness: 300-350 cd/m² typical
  • High Brightness: 450 cd/m² (LS035I12-R-V1)
  • Brightness Uniformity: Typically >85% across display area
  • Measurement: 9-point measurement standard

Color Performance

  • Color Depth: 262K to 16.7M colors depending on model
  • Color Gamut: Standard sRGB or similar
  • Color Coordinates: Typically x=0.29±0.03, y=0.30±0.03
  • Viewing Angles: 70-85° for standard TFT, 85-89° for IPS

Contrast Ratio

  • Typical Contrast: 500:1 to 1500:1
  • Measurement Conditions: Dark room, center measurement
  • Viewing Angle Effect: Contrast varies with viewing angle

Application Recommendations

Industrial Applications

  • HMIs and Control Panels: LS035I01-R-V1 (IPS for wide viewing), LS035I12-R-V1 (high brightness)
  • Test and Measurement: LS035I05-MP-V1 (MIPI interface), LS035I08-MP-V1 (standard VGA)
  • Medical Devices: LS035I03-MP-V1 (IPS, wide temperature), LS035I06-M-V1 (standard specifications)

Consumer Electronics

  • Portable Devices: LS035I10-MP-V1 (normally white), LS035I08-MP-V1 (compact design)
  • Home Automation: LS035I01-R-V1 (IPS for multiple viewing positions)
  • Gaming Devices: LS035I12-R-V1 (high brightness, fast response)

Automotive Applications

  • Aftermarket Displays: LS035I06-M-V1 (wide temperature range)
  • Auxiliary Displays: LS035I03-MP-V1 (IPS for sunlight readability)
  • Navigation Systems: LS035I05-MP-V1 (MIPI for high-speed interface)

Embedded Systems

  • IoT Devices: LS035I10-MP-V1 (low power options)
  • Industrial PCs: LS035I08-MP-V1 (standard VGA compatibility)
  • Kiosk Systems: LS035I12-R-V1 (high brightness for public use)

Design and Integration Guidelines

PCB Layout Recommendations

  1. Power Supply Decoupling: 100nF capacitors within 10mm of power pins
  2. Signal Routing: Controlled impedance for high-speed interfaces (MIPI)
  3. ESD Protection: TVS diodes on all interface lines to chassis ground
  4. Thermal Management: Adequate heat sinking for backlight driver

Software Implementation

  1. Initialization Sequence: Follow manufacturer's specific power-up sequence
  2. Display Configuration: Set appropriate resolution and timing parameters
  3. Backlight Control: PWM dimming with appropriate frequency (typically 200Hz-1kHz)
  4. Power Management: Implement sleep modes when display not active

Mechanical Integration

  1. Mounting Method: Use recommended screw positions and torque values
  2. Connector Alignment: Ensure proper FPC connector engagement and strain relief
  3. Gasket Selection: Silicone gaskets for environmental sealing when required
  4. Viewing Window: Follow recommended bezel dimensions (typically 0.3mm larger than active area)

Thermal Considerations

  1. Operating Temperature: Ensure ambient temperature within specified range
  2. Heat Dissipation: Consider backlight heat generation in enclosed designs
  3. Temperature Gradients: Avoid large temperature differences across panel
  4. Cold Start: Allow for warm-up time in low temperature environments

Quality and Reliability

Testing Standards

  • Visual Inspection: Under 300-700 Lux illumination at 30-50cm distance
  • Functional Testing: Complete interface and display pattern verification
  • Environmental Testing: Temperature cycling, humidity, vibration per industry standards
  • ESD Testing: HBM ±2kV minimum, CDM ±500V minimum

Defect Criteria

  • Pixel Defects: Typically 0-5 defective pixels allowed depending on class
  • Uniformity Requirements: Brightness uniformity >85% typically
  • Color Consistency: Color coordinates within specified tolerance
  • Mechanical Tolerances: Dimensions within ±0.2mm unless otherwise specified

Lifetime Specifications

  • Backlight Lifetime: 25,000-50,000 hours to 50% brightness
  • Operating Life: 5+ years in typical applications
  • MTBF Calculations: Based on component reliability data and application conditions
  • Warranty Period: Standard 1-year warranty against manufacturing defects

Ordering Information

Model Selection Guide

Application Requirement Recommended Model
Wide viewing angle needed LS035I01-R-V1 (IPS)
High resolution required LS035I05-MP-V1 (640×480)
MIPI interface preferred LS035I08-MP-V1 or LSL035I08-MP-V1
High brightness needed LS035I12-R-V1 (450 cd/m²)
Normally white mode LS035I10-MP-V1
Standard VGA resolution LS035I06-M-V1
Square format display LSLI03501VGA-RV1 (480×480)
Cost-sensitive design Contact for current pricing options

Procurement Details

  • Minimum Order Quantity: 300 pieces for standard models
  • Lead Time: 6-10 weeks for standard production
  • Packaging: Anti-static trays or vacuum-sealed bags
  • Customization Options: Available for volume orders (10,000+ pieces)
  • Sample Availability: Evaluation samples available (may require NDA)

Support Services

  • Technical Documentation: Complete datasheets, application notes, reference designs
  • Engineering Support: Available for integration assistance
  • Software Drivers: Sample code for common platforms (ARM, FPGA, etc.)
  • Quality Documentation: Test reports, compliance certificates, reliability data

SEO Keywords for Technical Search

Primary Keywords:

  • 3.5 inch TFT LCD display module
  • VGA resolution display module
  • 320x480 TFT display
  • 640x480 display module
  • IPS display 3.5 inch
  • MIPI interface display

Secondary Keywords:

  • a-Si TFT LCD module
  • 16.7M color display
  • Industrial TFT display 3.5 inch
  • Transmissive LCD display
  • COG display module
  • Wide temperature display

Long-tail Keywords:

  • 3.5 inch 640x480 TFT LCD with MIPI interface
  • ST7703 display driver module 3.5 inch
  • Industrial grade 3.5 inch IPS display
  • High brightness 450cd/m² 3.5 inch display
  • Normally white 3.5 inch TFT display
  • 3.5 inch display with FL7703N driver

Brand and Model Keywords:

  • LESSON 3.5 inch display
  • LS035 series display modules
  • LS035I01-R-V1 specifications
  • LS035I08-MP-V1 datasheet
  • LS035I12-R-V1 high brightness
  • Lixin Wan'an 3.5 inch TFT

About LESSON Smart Display Technology

Lixin (Wan'an) Intelligent Display Technology Co., Ltd. (LESSON) specializes in the design and manufacture of high-quality TFT-LCD display modules for industrial, consumer, and embedded applications. With extensive experience in display technology and a commitment to quality and reliability, LESSON provides display solutions for demanding applications worldwide.


Document Revision: 1.0
Last Updated: March 6, 2026
Note: Specifications subject to change without notice. Contact LESSON for latest technical information and pricing. All trademarks are property of their respective owners.