LS050I10-MP-V1: 4.95-Inch a-Si TFT LCD Module, 480×854 Resolution, 16.7M Colors, MIPI Interface, 24-Pin, ST7701SN Driver

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LS050I10-MP-V1: 4.95-Inch a-Si TFT LCD Module, 480×854 Resolution, 16.7M Colors, MIPI Interface, 24-Pin, ST7701SN Driver

Product Subtitle / Keywords

4.95 Inch Display, 480(RGB)×854 Resolution, Transmissive a-Si TFT-LCD, MIPI Interface (2-Data Lane), COG+FPC+B/L, 16.7M Colors, 24-Pin, ST7701SN Driver, 60×109×2.06 mm, -10°C~60°C Operating Temperature

1. Executive Summary & Product Positioning

The LS050I10-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 4.95-inch transmissive type a-Si TFT-LCD (amorphous silicon thin film transistor liquid crystal display) module.

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, complete MIPI interface pinout, and comprehensive electro-optical performance. It delivers a resolution of 480(RGB)×854 with 16.7M-color display capability, driven by the ST7701SN controller.

The document provides the core parameters necessary for system integration into embedded display applications requiring a standard portrait-oriented display with a high-speed serial interface. 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 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.
  • Display Mode: Active matrix TFT, Transmissive, IPS.
  • Display Format: Graphic 480(RGB)×854 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).
  • Input Data: MIPI.
  • Drive IC: ST7701SN.
  • Connector Pin Count: 24-Pin.
  • Approval Status: ☑ Approved Product Specification only (as per signature block).

3. Exhaustive Technical Specifications

3.1 Mechanical & Physical Specifications

Module size (H×V×D) 60 × 109 × 2.06 mm
Active area (H×V) 55.44 × 98.637 mm
Number of dots / Resolution 480(RGB) × 854 pixel
Panel Size (Diagonal) 4.95 inch

Critical Mechanical Design Notes (from outline dimension drawing):

  • Display Type: 4.95" TFT LCD, Transmissive, IPS.
  • Resolution: 480(RGB)×854.
  • Driver IC: ST7701SN.
  • Operating Temperature: -10°C ~ 60°C.
  • Storage Temperature: -20°C ~ 70°C.
  • Backlight: Vf=18V, If=40mA.
  • General Tolerance: ±0.2 mm (unless otherwise specified).
  • Angular Tolerance: ∠ ±1/4°.
  • FPC Total Thickness: PI补强+FPC总厚=0.30±0.03mm.
  • FPC Pin Count: 24 pins.
  • Silver Paste Points: Present on the module (点银浆处).
  • FPC Bending: The module supports FPC bending for space-constrained designs (弯折出货).
  • Enclosure Design Notes: It is recommended that the housing visible area be 0.3mm smaller per side than the LCD AA. It is recommended that the housing foam opening window be 0.6mm larger per side than the LCD AA. The TP edge must not contact metal conductors.

3.2 Electrical & Interface Specifications

3.2.1 Absolute Maximum Ratings

Item Symbol Min Max Unit Remark
Supply voltage VCC -0.3 3.6 V Note1 Note2
Supply voltage IOVCC -0.3 3.6 V Note1 Note2
Operating temperature TOPR -10 60 °C Note1 Note2
Storage temperature TSTR -20 70 °C Note1 Note2

3.2.2 Pin Description (24-pin FPC)

PIN NO. Symbol I/O Description
1 NC   No Connection
2 VCC P Power voltage
3 VOC P Power voltage
4 GND P GND
5 GND P GND
6 NC   No Connection
7 GND P GND
8 RESE I Global reset pin
9 GND P GND
10 GND P GND
11 CLK N I Negative MIPI differential clock inputs
12 CLK P I Positive MIPI differential clock inputs
13 GND P GND
14 D0 N I Negative MIPI differential data inputs
15 D0 P I Positive MIPI differential data inputs
16 GND P GND
17 LED P Power for LED backlight anode
18 LED P Power for LED backlight anode
19 NC   No Connection
20 GND P GND
21 NC   No Connection
22 NC   No Connection
23 IOVCC P Power voltage for I/O
24 IOVCC P Power voltage for I/O

Interface Summary:

  • MIPI Interface: Uses 1 data lane (D0) and 1 clock lane (CLK N/CLK P) for high-speed serial data transmission.
  • Backlight: Dedicated LED (Anode, Pins 17, 18) pins.
  • Power: VCC (Pin 2), VOC (Pin 3), IOVCC (Pins 23, 24) for power, GND (Pins 4, 5, 7, 9, 10, 13, 16, 20) for ground.
  • Control: RESE (Pin 8) for hardware reset.
  • Unused Pins: Pins 1, 6, 19, 21, 22 are NC — leave floating.

3.2.3 Backlight Unit

Drive Condition IF = 40mA, Vf = 18V

3.3 Optical & Electro-Optical Characteristics

Optical characteristics (brightness, contrast, viewing angles, etc.) are not included in the provided excerpt. Please consult the complete specification for detailed optical data.

3.4 Version Record

Version information not available in the extracted document.

4. Application Guidelines & Critical Notes

Intended Use

  • Industrial control panels and human-machine interfaces (HMIs)
  • IoT display nodes and smart home controls
  • Handheld instruments and consumer electronics
  • Any application requiring a compact, portrait-oriented display with a high-speed serial interface

Critical Design Considerations

  1. Interface (MIPI with 1 Data Lane): This module uses a MIPI-DSI interface with 1 data lane and 1 clock lane. The host MCU must have a MIPI-DSI controller that supports at least 1 data lane.
  2. Power Supply: Provide stable VCC, VOC, and IOVCC for the module. The backlight requires a constant-current LED driver connected to LED (Anode, Pins 17, 18), set to 40 mA at approximately 18V (Typ).
  3. Mechanical Integration: Module outline: 60mm (H) × 109mm (V) × 2.06mm (D). Active area: 55.44mm × 98.637mm. FPC: 24-pin FPC with PI reinforcement. The module supports FPC bending for space-constrained designs.
  4. Temperature Limits: Operating Temperature: -10°C to +60°C. Storage Temperature: -20°C to +70°C.

Handling & Compliance

  • The module is RoHS compliant.
  • Observe standard ESD precautions during handling and assembly.
  • The module contains fragile glass and a 24-pin FPC – handle with care.
  • Avoid bending the FPC sharply, especially near the connector interface.
  • The module has a total thickness of 2.06mm – be careful when handling to avoid flexing.

5. Conclusion & Design-In Support

The LS050I10-MP-V1 specification details a standard 4.95-inch portrait display module with a MIPI interface and ST7701SN driver — an excellent choice for applications requiring a larger display area with a high-speed serial interface.

Key Strengths

  • Standard Portrait Resolution (480×854): Widely supported by many MCUs and graphics libraries, simplifying software development.
  • MIPI Interface with 1 Data Lane: Simplifies host MCU requirements while providing adequate bandwidth for the resolution.
  • High Color Depth: 16.7M colors (24-bit true color) provides excellent color reproduction.
  • Standard 4.95-inch Size: Suitable for a wide range of industrial and embedded applications.
  • IPS Display Technology: Provides better color reproduction and wider viewing angles compared to standard TN panels.
  • FPC Bending Support: The module supports FPC bending for space-constrained designs.

Main Design Focus

  • The critical design task is properly implementing the MIPI-DSI interface with 1 data lane to ensure reliable high-speed data transfer.
  • Supporting requirements: Provide stable VCC, VOC, and IOVCC power. Provide a constant-current backlight driver set to 40 mA at 18V (Typ). Mechanical integration — the module outline is 60mm × 109mm × 2.06mm. FPC connector — verify the 24-pin FPC and consider FPC bending if needed.

This module is an excellent choice for industrial control panels, smart home devices, and any embedded application requiring a larger, high-resolution display with a high-speed MIPI interface.