LESSON 2.8-Inch Display Module Portfolio: Comprehensive Model Catalog

Lixin (Wan'an) Intelligent Display Technology Co., Ltd. offers the most extensive portfolio of 2.8-inch 240x320 displays in the industry. This comprehensive catalog includes over 30 models with variations in interface, mechanical dimensions, viewing technology, and integrated features.

Complete 2.8-Inch Model Specification Matrix

Detailed Mechanical Specifications

Common Mechanical Footprint 1 (Standard 2.8-inch):

• Outline: 46.50×65.05×2.5 mm (LSC028T01-S-V2/V3)
• Active Area: 43.20×57.60 mm
• View Area: Approximately 44.20×58.60 mm
• FPC Position: Bottom center
• Mounting: Typically corner mounting holes

Common Mechanical Footprint 2 (Compact 2.8-inch):

• Outline: 46.00×50.00×2.30 mm (LS028T10-M-V1)
• Active Area: 43.20×45.50 mm
• View Area: Approximately 44.20×46.50 mm
• Aspect Ratio: More square format

Common Mechanical Footprint 3 (IPS Variant):

• Outline: 46.20×50.00×2.30 mm (LS028I26-S-V1)
• Active Area: 43.20×45.70 mm
• View Area: Approximately 44.20×46.70 mm
• Feature: IPS technology for wider viewing angles

Common Mechanical Footprint 4 (MCU Interface):

• Outline: 47.60×64.26×2.06 mm (LSC028I07-M-V1)
• Active Area: 43.20×57.60 mm
• Feature: Transflective display technology

Interface Type Classification

1. SPI Interface Models:

• Typical Models: LSC028T01-S-V2, LSC028T01-S-V3, LS028T22-S-V1
• Pin Configuration (40-pin):
  • SPI Signals: CS, SCLK, SDA, RS/DC
  • Control: RESET, TE (Tearing Effect)
  • Power: VDD (2.8V-3.3V), IOVCC (1.8V), GND
  • Backlight: LEDA, LEDK
  • Mode Selection: IM0, IM1, IM2
• Advantages: Simple interface, low pin count, microcontroller friendly

2. MCU 8080 Parallel Interface Models:

• Typical Models: LSC028I07-M-V1, LS028T01-M-V1
• Pin Configuration (40-pin):
  • Data Bus: DB0-DB15 (8/16-bit selectable)
  • Control Signals: CSX, WRX, RDX, DCX
  • Power: VCI (2.8V), VDDI (1.8V)
  • Reset: RESX
  • Backlight: LEDA, LEDK
• Advantages: Faster data transfer, direct memory access

3. RGB Interface Models:

• Typical Models: LS028I09-X-V1, LS028I08-X-V1
• Pin Configuration:
  • RGB Data: R0-R5, G0-G5, B0-B5 (18-bit)
  • Sync Signals: HSYNC, VSYNC, DE
  • Clock: DCLK
  • Power: Multiple power domains
• Advantages: Direct video input, high performance

4. MIPI Interface Models:

• Typical Models: Not explicitly listed but available in custom versions
• Pin Configuration:
  • Differential Pairs: D0P/D0N, D1P/D1N, CLKP/CLKN
  • Control: RST, TE
  • Power: VDD, IOVCC
• Advantages: High speed, low EMI, modern interface

Optical Performance Specifications

Backlight System Specifications

1. Parallel LED Configuration (LSC028T01-S-V2):

• LED Type: 4 Chip-White LEDs in parallel
• Forward Current: IF = 80mA
• Forward Voltage: VF = 3.2±0.2V
• Total Current: 80mA (per string)
• Total Power: ~1W

2. Series LED Configuration (LSC028T01-S-V3):

• LED Type: 4 Series-White LEDs
• Forward Current: IF = 20mA
• Forward Voltage: VF = 11.2-12.8V
• Total Current: 20mA
• Total Power: ~0.25W

3. Standard Configuration (LS028T10-M-V1):

• LED Type: 4 Chip-White LED Parallel
• Forward Current: IF = 80mA
• Forward Voltage: VF = 3V (Typical)
• Driver Requirement: Constant current driver recommended

Environmental Specifications

Application-Specific Model Recommendations

Industrial Control Systems:

• Priority: Reliability, wide temperature, long life
• Recommended: LSC028T01-S-V3 (series LED, lower power)
• Alternative: LS028T34-S-V1 (ROHS compliant)
• Interface: SPI or MCU based on controller

Medical Devices:

• Priority: Clear display, reliability, safety
• Recommended: LS028I26-S-V1 (IPS for better viewing)
• Alternative: LSC028I07-M-V1 (transflective for varied lighting)
• Consideration: Brightness and contrast requirements

Consumer Electronics:

• Priority: Cost, appearance, standard interface
• Recommended: LS028T10-M-V1 (compact, cost-effective)
• Alternative: LS028T22-S-V1 (standard footprint)
• Interface: SPI for microcontroller compatibility

Automotive Applications:

• Priority: Temperature range, reliability, sunlight readability
• Recommended: LS028I31-M-V1 (2.83-inch, wider temp)
• Alternative: LS028I30-M-V1 (modern version)
• Consideration: Additional qualification testing

Portable Devices:

• Priority: Power consumption, size, weight
• Recommended: LSC028T01-S-V3 (20mA series LED)
• Alternative: LS028I09-X-V1 (active matrix efficiency)
• Interface: Low-power interface options

Quality and Reliability Features

1. LCD Warp Specification: ≤ 0.2mm (LSC028T01-S-V2), ≤ 0.2 (LSC028T01-S-V3)
2. General Tolerance: ±0.2mm on critical dimensions
3. FPC Specifications:
   • Nose thickness: 1-3um
   • Gold thickness: 0.0254-0.075um
   • Total FPC thickness: 0.3mm typical
4. Recommended Cellphone Window Size: Provided in datasheets
5. Viewing Direction: Typically 12 O'CLOCK or ALL direction
6. Life Time: 13 months typical, longer for industrial grades

Customization and Special Features

1. Touch Panel Integration: Available as LCM+CTP solutions
2. Special Coatings: Anti-glare, anti-fingerprint, privacy filters
3. Enhanced Brightness: Up to 500 cd/m² for sunlight readability
4. Wide Temperature: Extended -40°C to +85°C versions
5. Interface Conversion: SPI to parallel, RGB to MIPI adapters
6. Special Connectors: ZIF, board-to-board, custom pinouts

Technical Support Resources

1. Driver Libraries: Available for STM32, Arduino, ESP32, Raspberry Pi
2. Reference Designs: Complete schematics and layout guidelines
3. Application Notes: Power management, interface design, thermal considerations
4. Testing Protocols: Environmental testing procedures and results
5. Compliance Documentation: ROHS, REACH, CE compliance data

Ordering and Logistics Information

1. Minimum Order Quantity: Typically 100-500 pieces for standard models
2. Lead Time: 4-8 weeks for standard orders, 2-4 weeks for expedited
3. Packaging: Anti-static packaging, tray or reel options
4. Shipping: Worldwide shipping with proper documentation
5. Sample Program: Evaluation samples available with NRE for custom designs

Model Number Decoding Guide

• LS/LSC: Product series prefix
• 028: 2.8-inch diagonal size
• T/I: T=TFT standard, I=IPS or advanced
• 01, 07, etc.: Model sequence number
• S/M/R/X: Interface type indicator
• V1, V2, V3: Version number

This comprehensive 2.8-inch portfolio represents LESSON's flagship product line, offering solutions for virtually every application requiring a 240x320 display in the 2.8-inch form factor.