LS050I11-MP-V1: 4.94-Inch a-Si TFT LCD Module, 720×1280 Resolution, 16.7M Colors, MIPI Interface, 31-Pin, NV3051F Driver

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LS050I11-MP-V1: 4.94-Inch a-Si TFT LCD Module, 720×1280 Resolution, 16.7M Colors, MIPI Interface, 31-Pin, NV3051F Driver

Product Subtitle / Keywords

4.94 Inch Display, 720(RGB)×1280 Resolution, Transmissive a-Si TFT-LCD, MIPI Interface (4-Data Lane), COG+FPC+B/L, 16.7M Colors, 31-Pin, NV3051F Driver, 300 cd/m² Luminance, ALL Viewing Direction, -20°C~70°C Operating Temperature

1. Executive Summary & Product Positioning

The LS050I11-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 4.94-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, detailed electrical characteristics, complete MIPI interface pinout, and comprehensive electro-optical performance. It delivers a resolution of 720(RGB)×1280 with 16.7M-color display capability, driven by the NV3051F 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: 16.7M Color TFT, Transmissive, Normally Black Mode.
  • Display Format: Graphic 720(RGB)×1280 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.
  • Viewing Direction: ALL.
  • Drive IC: NV3051F.
  • Connector Pin Count: 31-Pin.
  • Approval Status: ☑ Approved Product Specification only (as per signature block).

3. Exhaustive Technical Specifications

3.1 Mechanical & Physical Specifications

Panel Size (Diagonal) 4.94 inch
Number of dots / Resolution 720(RGB) × 1280 pixel
Display Type 4.94" TFT-LCD, transmissive, Normally Black
Module Luminance (without CTP) 300 cd/m²

Critical Mechanical Design Notes (from outline dimension drawing):

  • Display Type: 4.94" TFT LCD.
  • Resolution: 720RGB(H)*1280(V).
  • Viewing Direction: ALL.
  • Driver IC: NV3051F.
  • Operating Temperature: -20°C ~ 70°C.
  • Storage Temperature: -30°C ~ 80°C.
  • Backlight: IF=40mA, VF=18V-19.2V.
  • General Tolerance: ±0.2 mm (unless otherwise specified).
  • Angular Tolerance: ∠ ±1/4°.
  • FPC Pin Count: 31 pins.
  • All materials must comply with RoHS and Halogen-Free standards.

3.2 Electrical & Interface Specifications

3.2.1 Pin Description (31-pin FPC)

PIN NO. Symbol I/O Description
1 GND P ground
2 D3P I Negative MIPI differential data inputs
3 D3N I Negative MIPI differential data inputs
4 GND P ground
5 D2P I Negative MIPI differential data inputs
6 D2N I Negative MIPI differential data inputs
7 GND P ground
8 CLKP I Negative MIPI differential clock inputs
9 CLKN I Negative MIPI differential clock inputs
10 GND P ground
11 D1P I Negative MIPI differential data inputs
12 D1N I Negative MIPI differential data inputs
13 GND P ground
14 D0P I Negative MIPI differential data inputs
15 D0N I Negative MIPI differential data inputs
16 GND P ground
17 LEDA P LED anode
18 LEDK P LED cathode
19 NC    
20 NC    
21 NC    
22 REST I Reset signal
23 VDD P Power voltage
24 VDDIO P Power voltage
25 NC    
26 CTP_2.8V P Power voltage
27 CTP_SCL I SCL pin for TP
28 CTP_SDA I SDA pin for TP
29 CTP_INT I Interrupt signal for TP
30 CTP_RST I Reset Pin for TP
31 GND P ground

Interface Summary:

  • MIPI Interface: Uses 4 data lanes (D0, D1, D2, D3) and 1 clock lane (CLKP/CLKN) for high-speed serial data transmission.
  • Backlight: Dedicated LEDA (Anode, Pin 17) and LEDK (Cathode, Pin 18) pins.
  • Power: VDD (Pin 23) and VDDIO (Pin 24) for main and I/O power, GND (Pins 1, 4, 7, 10, 13, 16, 31) for ground.
  • Control: REST (Pin 22) for hardware reset.
  • Touch Pins: Pins 26-30 are reserved for capacitive touch panel (CTP) interface (CTP_2.8V, CTP_SCL, CTP_SDA, CTP_INT, CTP_RST).
  • Unused Pins: Pins 19, 20, 21, 25 are NC — leave floating.

3.2.2 Backlight Unit

LED Circuit Configuration 12 LED
Drive Condition IF = 40mA, Vf = 18V-19.2V

3.3 Optical & Electro-Optical Characteristics

Optical characteristics (brightness, contrast, viewing angles, etc.) are not fully detailed in the provided excerpt. The outline drawing notes a module luminance (without CTP) of 300 cd/m².

3.4 Version Record

Revision 1.0.

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 4 Data Lanes): This module uses a MIPI-DSI interface with 4 data lanes and 1 clock lane. The host MCU must have a MIPI-DSI controller that supports at least 4 data lanes.
  2. Power Supply: Provide stable VDD and VDDIO for the module. The backlight requires a constant-current LED driver connected to LEDA (Anode, Pin 17) and LEDK (Cathode, Pin 18), set to 40 mA at approximately 18V-19.2V.
  3. Mechanical Integration: Module outline: 64.55±0.15 × 0.155 × 5.0~20.50 mm (dimensions from drawing). FPC: 31-pin FPC.
  4. Temperature Limits: Operating Temperature: -20°C to +70°C. Storage Temperature: -30°C to +80°C.
  5. Touch Panel Interface: This module includes dedicated pins for a capacitive touch panel. The host system must provide a CTP_2.8V power supply and an I2C interface for touch panel communication.

Handling & Compliance

  • The module is RoHS compliant and meets Halogen-Free standards.
  • Observe standard ESD precautions during handling and assembly.
  • The module contains fragile glass and a 31-pin FPC – handle with care.
  • Avoid bending the FPC sharply, especially near the connector interface.

5. Conclusion & Design-In Support

The LS050I11-MP-V1 specification details a standard 4.94-inch portrait display module with a MIPI interface and NV3051F driver — an excellent choice for applications requiring a larger display area with a high-speed serial interface and touch panel support.

Key Strengths

  • Standard Portrait Resolution (720×1280): Widely supported by many MCUs and graphics libraries, simplifying software development.
  • MIPI Interface with 4 Data Lanes: Provides high bandwidth for smooth video and animation playback.
  • High Color Depth: 16.7M colors (24-bit true color) provides excellent color reproduction.
  • Standard 4.94-inch Size: Suitable for a wide range of industrial and embedded applications.
  • Integrated CTP Interface: The module includes dedicated pins for a capacitive touch panel, simplifying design-in for touch-sensitive applications.
  • Wide Operating Temperature Range: -20°C to +70°C for operation and -30°C to +80°C for storage.
  • RoHS and Halogen-Free Compliant: Meets environmental standards.

Main Design Focus

  • The critical design task is properly implementing the MIPI-DSI interface with 4 data lanes to ensure reliable high-speed data transfer and integrating the CTP interface.
  • Supporting requirements: Provide stable VDD and VDDIO power. Provide a constant-current backlight driver set to 40 mA at 18V-19.2V. Mechanical integration — the module outline is 64.55mm × 0.155mm × 5.0~20.50mm. FPC connector — verify the 31-pin FPC. Provide CTP_2.8V power and I2C interface for touch panel.

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 and touch capability.