Product Subtitle / Keywords:
2.1 Inch Display, 480(RGB)×480 Resolution, Transmissive a-Si TFT-LCD, MIPI Interface, COG+FPC+B/L, 16.7M Colors, 300:1 Contrast Ratio, 30ms Response Time, ALL Viewing Direction, -20°C~70°C Operating Temperature

1. Executive Summary & Product Positioning

The LS021I02-MP-V1, developed by Lixin (Wan'an) Intelligent Display Technology Co., Ltd. (立信(万安)智显科技有限公司), is a 2.1-inch transmissive color active matrix TFT-LCD module that uses amorphous silicon TFT as a switching device.

This product specification (Revision 1.0, Module Type: COG+FPC+B/L) serves as the definitive technical document, defining its structural composition (COG+FPC+B/L), physical features, mechanical dimensions, absolute maximum ratings, detailed electrical characteristics, and comprehensive electro-optical performance. It delivers a resolution of 480(RGB)×480 with 16.7M-color display capability.

The document provides the core parameters necessary for system integration into compact embedded display applications. The unequivocal recommendation for engineers is to strictly adhere to the electrical specifications, interface timing, and mechanical tolerances described herein to ensure reliable performance and compatibility.

2. Detailed Product Overview & Architecture

• Core Technology: Transmissive-type color active matrix TFT-LCD using amorphous silicon TFT as a switching device.
• Display Mode: Active matrix TFT, Transmissive type.
• Display Format: Graphic 480(RGB)×480 Dot-matrix.
• Display Characteristics: Capable of displaying up to 16.7 million colors.
• Module Construction: COG (Chip-On-Glass) + FPC (Flexible Printed Circuit) + B/L (Backlight Unit). Composed of a TFT-LCD panel, driver IC and FPC, and a backlight unit.
• Viewing Direction (Grayscale Inversion): ALL.
• Approval Status: ☑ Approved Product Specification only (as per signature block).

3. Exhaustive Technical Specifications

3.1 Mechanical & Physical Specifications

Critical Mechanical Design Notes (from general description):

1. Display Type: Transmissive type color active matrix TFT (Thin Film Transistor) LCD.
2. Switching Device: Amorphous silicon TFT.
3. Module Composition: TFT-LCD module (TFT-LCD panel, driver IC and FPC), a back-light unit.

3.2 Electrical & Interface Specifications

(Not explicitly provided in the extracted document excerpt; refer to the full specification for detailed electrical characteristics, pin description, and interface timing.)

3.3 Optical & Electro-Optical Characteristics

(Not explicitly provided in the extracted document excerpt; refer to the full specification for detailed optical characteristics.)

3.4 Version Record

(Not explicitly provided in the extracted document excerpt; refer to the full specification for version record.)

4. Application Guidelines & Critical Notes

Intended Use

• Smart home control panels
• IoT display nodes
• Miniature handheld instruments
• Any application requiring a compact, square display with high color depth

Critical Design Considerations

1. Interface: This module uses a MIPI interface for communication. The host MCU must have a MIPI DSI interface to drive the display.

2. Power Supply:

   • Provide stable power supplies as per the electrical characteristics section of the full specification.
   • The backlight requires a constant-current LED driver.

3. Mechanical Integration:

   • The module is a 2.1-inch display with a 480×480 resolution.
   • The module type is COG+FPC+B/L.

4. Viewing Angle Characteristics:
   This module provides ALL viewing direction, ensuring consistent image quality from all angles.

5. Optical Performance:

   • Display Colors: Up to 16.7M colors.
   • Contrast Ratio: 300:1 (Typ) – adequate for indoor use.
   • Response Time: 30ms (Typ) – suitable for most GUI applications.

6. Temperature Limits:

   • Operating Temperature: -20°C to +70°C.
   • Storage Temperature: -30°C to +80°C.

Handling & Compliance

• Observe standard ESD precautions during handling and assembly.
• The module contains fragile glass and an FPC – handle with care.

5. Conclusion & Design-In Support

The LS021I02-MP-V1 specification details a compact 2.1-inch square display module with a MIPI interface — an excellent choice for applications requiring a square display format with high color depth.

Key Strengths:

1. Key Strengths:

2. Square Display Format: The 480×480 resolution in a 2.1-inch square format is ideal for symmetrical UI designs.

3. High Color Depth: 16.7M colors (24-bit true color) provides excellent color reproduction.

4. MIPI Interface: The MIPI interface provides high-speed serial data transmission.

5. Wide Operating Temperature Range: -20°C to +70°C for operation and -30°C to +80°C for storage.

Main Design Focus:

• The critical design task is properly implementing the MIPI interface with the correct timing and differential signal routing.
• Supporting requirements:
  • Provide stable power supplies.
  • Provide a constant-current backlight driver.
  • Mechanical integration — the module is a 2.1-inch square display.

This module is an excellent choice for designs requiring a square display with MIPI interface and high color depth, such as smart home control panels, IoT devices, and miniature instruments.