LS050I04-MP-V1: 4.97-Inch a-Si TFT LCD Module, 1080×1920 Resolution, 16.7M Colors, MIPI Interface

Product Subtitle / Keywords

4.97 Inch Display, 1080(RGB)×1920 Resolution, Transmissive a-Si TFT-LCD, MIPI Interface (4-Data Lane), COG+FPC+B/L, 16.7M Colors, 4.97" TFT-LCD, transmissive, normal BLACK, VSP=+5.0V, VSN=-5.0V, VDD-1V8=1.8V

1. Executive Summary & Product Positioning

The LS050I04-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 4.97-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 1080(RGB)×1920 with 16.7M-color display capability.

The document provides the core parameters necessary for system integration into embedded display applications requiring a high-resolution, full-HD 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: Transmissive, normal BLACK.
• Display Format: Graphic 1080(RGB)×1920 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.
• Approval Status: ☑ Approved Product Specification only (as per signature block).

3. Exhaustive Technical Specifications

3.1 Mechanical & Physical Specifications

3.2 Electrical & Interface Specifications

3.2.1 Pin Description (Partial Pinout from Spec)

The following table details the critical power, ground, and MIPI interface signals from the specification's pin description table.

Interface Summary (from partial pinout):

• MIPI Interface: Uses 4 data lanes (LANE0, LANE1, LANE2, LANE3) and 1 clock lane (CLK-P/CLK-N) for high-speed serial data transmission.
• Power: Requires three separate power rails: VSP (+5.0V) for analog, VDD-1V8 (1.8V) for I/O, and GND for ground.
• Backlight: LED-ANODE (Pin 27) and LED-CATHODE1 (Pin 31) for LED backlight power.
• Unused Pins: Pin 29 is NC — leave floating.

3.2.2 Power ON Sequence

The specification defines a strict power-on sequence to ensure proper initialization:

1. Reset (Reset="L"): Assert reset low.
2. VDD-1V8 ON: Power up the I/O supply (Typ 1.8V).
3. WAIT 150ms (min 1ms).
4. VSP ON: Power up the positive analog supply (Typ 5.0V).
5. WAIT 150ms (min 0ms).
6. VSN ON: Power up the negative analog supply (Typ -5.0V).
7. WAIT 50ms (min 1ms).
8. Reset release ("L"→"H"): De-assert reset.
9. WAIT 10ms (min 3ms).
10. Manufacturer command access Protect: Send command 0XB0 with parameter 0X04.
11. NVM load control: Send command 0XD6 with parameter 0x01.

3.2.3 Deep Standby In/Out Sequence

The specification also details sequences for entering and exiting a deep standby low-power mode.

Deep Standby In Sequence (Normal → Deep Standby In):

1. Backlight OFF (Command 0x53, Parameter 00h).
2. Display OFF (Command 0x28).
3. Wait Min 1V (Frame).
4. Sleep IN (Command 0x10).
5. Wait Min 4V (Frame).
6. DSI Video mode transfer stop.
7. Manufacturer Command Access Protect (0XB0, 02h).
8. Low Power Mode Function (0XB1, 01h).
9. VSN OFF (GND).
10. WAIT 10ms (min 0ms).
11. VSP OFF (GND).
12. Wait 2ms (min 0ms).
13. Reset (Reset="L").

Deep Standby Out Sequence (Deep Standby In → Normal):

1. Reset (Reset="L").
2. Wait min 1ms.
3. VSP ON (Typ 5.0V).
4. WAIT 150ms (min 0ms).
5. VSN ON (Typ -5.0V).
6. WAIT 50ms (min 1ms).
7. Reset release ("L"→"H").
8. WAIT 10ms (min 3ms).
9. Manufacturer Command Access Protect (0XB0, 0X04).
10. NVM load control (0XD6, 0x01).

3.2.4 DC Characteristics (MIPI Interface)

The specification provides DC characteristics for the MIPI D-PHY interface, ensuring signal integrity.

3.3 Optical & Electro-Optical Characteristics

Optical characteristics (brightness, contrast, viewing angles, etc.) are not fully detailed in the provided excerpt.

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, high-resolution (FHD) 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-1V8 (1.8V) for I/O, VSP (+5.0V) and VSN (-5.0V) for analog. The backlight requires a constant-current LED driver connected to the LED-ANODE and LED-CATHODE1 pins.
3. Power Sequencing: Strictly follow the Power ON Sequence and Deep Standby In/Out Sequences to prevent damage or improper initialization.
4. Mechanical Integration: The module uses a specific FPC connector. Verify the mating connector and FPC layout.
5. Temperature Limits: Operating Temperature: -20°C to +60°C. Storage Temperature: -30°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 FPC – handle with care.
• Avoid bending the FPC sharply, especially near the connector interface.

5. Conclusion & Design-In Support

The LS050I04-MP-V1 specification details a high-resolution 4.97-inch FHD display module with a 4-lane MIPI interface — an excellent choice for applications requiring a larger display area with full HD resolution.

Key Strengths

• Full HD Resolution (1080×1920): Provides sharp and detailed image quality.
• 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 4.97-inch Size: Suitable for a wide range of industrial and embedded applications.
• Detailed Power Sequencing: The specification provides clear power-on and deep standby sequences for reliable operation.

Main Design Focus

• The critical design task is properly implementing the MIPI-DSI interface with 4 data lanes and strictly following the power sequencing requirements to ensure reliable high-speed data transfer and proper module initialization.
• Supporting requirements: Provide stable VDD-1V8 (1.8V), VSP (+5.0V), and VSN (-5.0V) power rails. Provide a constant-current backlight driver.

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