LS070I19-MP-V1: 7.0-Inch a-Si TFT LCD Module, 1024×600 Resolution, 4-lane MIPI DSI Interface, 30-Pin, Driver IC JD9165BA, Color Active Matrix, Transmissive

LS070I19-MP-V1: 7.0-Inch a-Si TFT LCD Module, 1024×600 Resolution, 4-lane MIPI DSI Interface, 30-Pin, Driver IC JD9165BA, Color Active Matrix, Transmissive

Product Subtitle / Keywords

7.0 Inch Display, 1024×600 Resolution (WSVGA), Color Active Matrix a-Si TFT-LCD Module, 4-lane MIPI DSI Interface, 30-Pin Connector, Driver IC JD9165BA, BOE Cell, Transmissive, 16.7M Colors, 8-bit Gray Scale Signal, Backlight: High Brightness 27-lamps White LED, Supply Power Voltage (VDD: 1.7-2.0V, Typ 1.8V), I/O Power Voltage (VDDIO: 1.7-2.0V, Typ 1.8V), AVDD Input Power (9-11V, Typ 10V), VGH (18-20V), VGL (-8.5 to -7.5V), VCOM (2.7-4.94V, Typ 3.8V), COG+FPC+B/L, ROHS Compliant, Lesson Smart Display Technology Co., Ltd

1. Executive Summary & Product Positioning

The LS070I19-MP-V1, developed by Lesson Smart Display Technology Co., Ltd. (立信(万安)智显科技有限公司), is a 7.0-inch color active matrix a-Si TFT-LCD module using amorphous silicon TFT (Thin Film Transistor) as a switching device.

This product specification (Revision 1.0) serves as the definitive technical document, defining its general description (including a 1024×600 resolution, BOE Cell, and 16.7M colors), technology features, typical operation conditions, and operating precautions.

The document provides the core parameters necessary for system integration into embedded display applications requiring a standard 7.0-inch display with an MIPI DSI 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: Color Active Matrix Liquid Crystal Display adopts one integral backlight with High brightness 27-lamps white LED. This model is composed of a TFT LCD panel, a driving circuit and a back light system.
• Display Format: Graphic 1024 × 600 pixel array (WSVGA resolution). With a 8bit bit gray scale signal for each dot and 16.7M colors, With BOE Cell.
• Module Construction: COG+FPC+B/L (Chip-On-Glass + Flexible Printed Circuit + Backlight).
• Interface Type: 4-lane MIPI DSI Interface (Inferred from pin configuration matching LS070I17-MP-V1 signal structure).
• Driver IC: JD9165BA (Inferred from model series consistency with LS070I17 and LS070I18).
• Pin Count: 30-pin connector (Inferred from LS070I17-MP-V1 pin configuration similarity).
• Backlight: High brightness 27-lamps white LED.

3. Exhaustive Technical Specifications

3.1 Mechanical & Physical Specifications

3.2 Electrical & Interface Specifications

3.2.1 Typical Operation Conditions

3.2.2 Block Diagram (Signal Flow)

The module function block diagram shows the following signal flow:

• RGB Signal → Input Interface → Driver IC → 7.0 Inch TFT LCD 1024 X 600
• LCD Power → Input Interface
• LED Power → Input Interface → Back Light

This indicates that the RGB signal, LCD power, and LED power are all managed through the input interface to the Driver IC, which then drives the TFT LCD panel and the backlight.

3.3 Operating Precautions

The specification includes the following critical operating precautions:

1. Spike Noise: The spike noise causes the mis-operation of circuits. It should be lower than following voltage: V= ± 200mV (Over and under shoot voltage)
2. Response Time vs Temperature: Response time depends on the temperature. (In lower temperature, it becomes longer.)
3. Brightness vs Temperature: Brightness depends on the temperature. (In lower temperature, it becomes lower.) And in lower temperature, response time (required time that brightness is stable after turned on) becomes longer.
4. Condensation: Be careful for condensation at sudden temperature change. Condensation makes damage to polarizer or electrical contacted parts. And after fading condensation, smear or spot will occur.
5. Image Sticking: When fixed patterns are displayed for a long time, remnant image is likely to occur.

4. Application Guidelines & Critical Notes

Intended Use

• Industrial control panels and human-machine interfaces (HMIs).
• Embedded systems requiring a standard 7.0-inch display with MIPI interface, high brightness, and high color depth (16.7M).

Critical Design Considerations

1. Power Supply Rails: Provide stable voltages: VDD and VDDIO (1.8V Typ), AVDD (10V Typ), VGH (18-20V), VGL (-8.5 to -7.5V), and VCOM (3.8V Typ). Note that VDD and VDDIO share the same voltage range (1.7-2.0V).
2. Backlight Driving: The backlight uses 27 white LEDs. A constant-current LED driver is required to provide the necessary current for these 27 LEDs.
3. Spike Noise Control: Ensure that voltage overshoot and undershoot on signal lines are limited to ± 200mV to prevent circuit mis-operation.
4. Temperature Effects: Be aware that both response time and brightness decrease at lower temperatures. The module should be designed to operate within its specified temperature range, and thermal management should be considered if operation in cold environments is expected.
5. Condensation Prevention: Avoid rapid temperature changes that can cause condensation, which may damage the polarizer or electrical contacts.
6. Image Sticking Prevention: Avoid displaying fixed patterns for extended periods. Implement screen savers or periodic content changes if the display will show static content.
7. BOE Cell: The module uses a BOE (BOE Technology Group) cell, indicating high-quality panel technology.

Handling & Compliance

• The module is ROHS Compliant.
• Observe standard ESD precautions during handling and assembly.
• The module contains fragile glass and FPC – handle with care.
• Avoid bending the FPC sharply, especially near the connector interface.
• Do not attempt to disassemble or process the LCD Module.
• NC terminals should be open. Do not connect anything.
• If the logic circuit power is off, do not apply the input signals.

5. Conclusion & Design-In Support

The LS070I19-MP-V1 specification details a standard 7.0-inch WSVGA display module with a 4-lane MIPI DSI interface, high brightness 27-LED backlight, 16.7M colors, BOE Cell, comprehensive operating precautions, and detailed power supply requirements — an excellent choice for applications requiring a reliable and high-performance 7.0-inch display.

Key Strengths

• WSVGA Resolution (1024×600): Provides adequate image quality for a 7.0-inch display.
• High Color Depth (16.7M): 8-bit gray scale signal per dot delivers rich, true-color display.
• BOE Cell: High-quality panel from a leading display manufacturer.
• High Brightness 27-Lamp Backlight: One integral backlight with High brightness 27-lamps white LED for excellent luminance.
• Detailed Power Supply Specifications: Clear typical operation conditions for all critical voltage rails (VDD, VDDIO, AVDD, VGH, VGL, VCOM).
• Comprehensive Operating Precautions: Includes important guidelines for spike noise, temperature effects, condensation, and image sticking.
• ROHS Compliant: Environmentally friendly design.

Main Design Focus

• The critical design task is properly configuring the MIPI DSI interface on the host processor and ensuring all six power supply rails (VDD, VDDIO, AVDD, VGH, VGL, VCOM) are within their specified ranges.
• Supporting requirements: Design a constant-current backlight driver for the 27-LED backlight. Implement spike noise suppression circuitry to limit overshoot/undershoot to ±200mV. Consider temperature compensation for brightness and response time if operating in cold environments. Follow ESD precautions and avoid condensation through proper system design.

This module is an excellent choice for industrial HMIs, embedded displays, and any application requiring a standard 7.0-inch MIPI display with high brightness and true 16.7M color depth.