LS070I11-MP-V1: 7.0-Inch a-Si TFT LCD Module, 1024×600 Resolution, MIPI DSI Interface, COG+FPC+B/L, IPS Display
Product Subtitle / Keywords
7.0 Inch Display, 1024(RGB)×600 Resolution, Color Active Matrix a-Si TFT-LCD Module, MIPI DSI Interface (4 Data Lanes + 1 Clock Lane), COG+FPC+B/L, 16.7M Colors, 164.9mm × 97.1mm × 2.6mm Module Size, 154.21mm × 85.92mm Active Area, IPS (In-Plane Switching) Display, 3-chips Serial *8 LED Backlight (Vf=9.6V, If=140mA per chip), RoHS Compliant, 2025-12-23
1. Executive Summary & Product Positioning
The LS070I11-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 7.0-inch color active matrix a-Si TFT-LCD module incorporating amorphous silicon TFT (Thin Film Transistor).
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), general description, physical features, mechanical specifications, outline dimensions, absolute maximum ratings, backlight characteristics, module function description (including pin description, timing characteristics, and power on/off sequence), and electro-optical characteristics. It delivers a WSVGA resolution of 1024×600 pixels.
The document provides the core parameters necessary for system integration into embedded display applications requiring a standard 7.0-inch display with a 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 a-Si TFT-LCD (amorphous silicon thin film transistor liquid crystal display) module incorporating amorphous silicon TFT. It is composed of a color TFT-LCD panel, driver IC, FPC and a back light unit.
- Display Type: Transmissive, IPS (In-Plane Switching) as per outline dimension notes.
- Display Format: Graphic 1024(RGB)×600 pixel array (WSVGA resolution).
- Module Construction: COG (Chip-On-Glass) + FPC (Flexible Printed Circuit) + B/L (Backlight Unit).
- Interface Type: MIPI DSI (4 data lanes + 1 clock lane as per pin description).
- Backlight LED: White LED, 3 chips serial *8 (Vf=9.6V typical, If=140mA per chip at 20mA per chip).
- Regulatory Compliance: This product accords with RoHS environmental criterion.
- Approval Status: ☑ Approved Product Specification only (as per signature block).
3. Exhaustive Technical Specifications
3.1 Mechanical & Physical Specifications
| Panel Size (Diagonal) | 7.0 inch |
| Resolution | 1024 × (RGB) × 600 pixel |
| Module Type | COG+FPC+B/L |
| Module Size (H×V×D) | 164.9 × 97.1 × 2.6 mm (from mechanical spec and outline drawing) |
| Active Area (H×V) | 154.21 × 85.92 mm |
| Number of dots | 1024 × 600 pixel |
Critical Mechanical Design Notes (from outline dimension drawing):
- The physical drawing shows module size as 164.00±0.20mm width (noting the tolerance, the mechanical spec lists 164.9mm for overall width including FPC or other elements). Active area is 154.21mm × 85.92mm.
- Unit of measurement: mm.
- Drawing scale: Not to scale (NTS).
- General tolerance: ±0.2mm for dimensions with one decimal; ±0.3mm for dimensions without decimal; ±1/4° for angular tolerances.
- Specific tolerances: ±0.20mm for three-decimal dimensions as per drawing.
- Notes from drawing:
- TP edge must not contact metal conductors.
- Chassis foam window should be larger than VAmds by 0.6mm or more per side.
- Suggested housing visible area should be smaller than VAmds by 0.3mm or more per side.
- RoHS compliance.
- Mechanical Drawing shows display type as Transmissive, IPS with 1024RGBX600 DOTS and 7.0" diagonal.
3.2 Electrical & Interface Specifications
3.2.1 Pin Description (30-pin FPC)
The module uses a 30-pin interface with a MIPI DSI configuration that includes 4 data lanes (MIPI_TDP3/TDN3, MIPI_TDP2/TDN2, MIPI_TDP1/TDN1, MIPI_TDP0/TDN0) and 1 clock lane (MIPI_TCP/TCN). The full pin assignments are as follows:
| Pin No. | Symbol | Function | Function Group |
|---|---|---|---|
| 1,2 | VLED+ | LED Anode | Backlight |
| 3 | VGH | Gate ON Voltage | Power/TFT Control |
| 4 | VGL | Gate OFF Voltage | Power/TFT Control |
| 5 | UPDN | Gate Up/Down display control | Control |
| 6 | SHLR | Source Right or Left sequence | Control |
| 7,8 | LED- | LED Cathode | Backlight |
| 9 | AVDD | Power for Analog Circuit | Power |
| 10 | GND | Ground | Power/Ground |
| 11 | MIPI_TDP3 | MIPI Data Positive Signal (Lane 3) | MIPI Interface |
| 12 | MIPI_TDN3 | MIPI Data Negative Signal (Lane 3) | MIPI Interface |
| 13 | GND | Ground | Power/Ground |
| 14 | MIPI_TDP2 | MIPI Data Positive Signal (Lane 2) | MIPI Interface |
| 15 | MIPI_TDN2 | MIPI Data Negative Signal (Lane 2) | MIPI Interface |
| 16 | GND | Ground | Power/Ground |
| 17 | MIPI_TCP | MIPI Clock Positive Signal | MIPI Interface |
| 18 | MIPI_TCN | MIPI Clock Negative Signal | MIPI Interface |
| 19 | GND | Ground | Power/Ground |
| 20 | MIPI_TDP1 | MIPI Data Positive Signal (Lane 1) | MIPI Interface |
| 21 | MIPI_TDN1 | MIPI Data Negative Signal (Lane 1) | MIPI Interface |
| 22 | GND | Ground | Power/Ground |
| 23 | MIPI_TDP0 | MIPI Data Positive Signal (Lane 0) | MIPI Interface |
| 24 | MIPI_TDN0 | MIPI Data Negative Signal (Lane 0) | MIPI Interface |
| 25 | GND | Ground | Power/Ground |
| 26 | STBYB | Standby mode | Control |
| 27 | RESET | Global reset pin | Control |
| 28,29 | VDD | Power Supply | Power |
| 30 | - | Not listed in provided snippet (likely GND or NC) | Unknown |
Interface Summary:
- MIPI DSI Interface: Uses 4 data lanes (TDP3/TDN3, TDP2/TDN2, TDP1/TDN1, TDP0/TDN0) and 1 clock lane (TCP/TCN) for high-speed serial data transmission.
- Backlight: VLED+ (Pins 1, 2) for LED Anode and LED- (Pins 7, 8) for LED Cathode. Connection mode: 3 chips serial *8.
- Power: VDD (Pins 28, 29) for Power Supply, AVDD (Pin 9) for Analog Circuit Power, VGH (Pin 3) for Gate ON Voltage, VGL (Pin 4) for Gate OFF Voltage, GND (Pins 10, 13, 16, 19, 22, 25) for ground.
- Control: UPDN (Pin 5) for Gate Up/Down display control, SHLR (Pin 6) for Source Right or Left sequence, STBYB (Pin 26) for Standby mode, RESET (Pin 27) for Global reset.
3.2.2 Electrical Absolute Ratings
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| TFT Gate ON Voltage | VGH | 17.0 | 18.0 | 19.0 | V |
| TFT Gate OFF Voltage | VGL | -7.0 | -6.0 | -5.0 | V |
| TFT Common Electrode Voltage | VCOM | 3.0 | 3.2 | 3.4 | V |
| Analog power supply voltage | AVDD | 9.0 | 9.6 | 9.8 | V |
3.2.3 Backlight Characteristics
| Item | Symbol | Condition | Min | Type | Max | Unit |
|---|---|---|---|---|---|---|
| Forward voltage (LED Backlight panel) | Vf | If=160mA | 9.0 | 9.6 | 10.5 | V |
| Luminance | Lv | If=160mA | 360 | 400 | - | cd/m² |
| Number of LED | - | - | 24 | 24 | 24 | Piece |
| Connection mode | P | - | 3chips serial *8 | 3chips serial *8 | 3chips serial *8 | -- |
3.2.4 LED Backlight Specification (Per Chip)
| Item | Symbol | Condition | Min | Type | Max | Unit |
|---|---|---|---|---|---|---|
| Forward voltage | Vled | If=20mA /1-chip | - | 9.6 | - | V |
| Forward current | Iled | If=20mA /1-chip | - | 140 | - | ma |
| PWM Signal Voltage | PWM_h | - | 2.0 | 3.3 | 3.6 | V |
| PWM Signal Voltage | PWM_l | - | 0 | - | 0.5 | V |
| Output PWM frequency | PWM_f | - | - | 200 | 1k | Hz |
| LED enable high Voltage | EN_h | - | 2.6 | 3.3 | 3.6 | V |
| LED enable low Voltage | EN_l | - | 0 | - | 0.4 | V |
3.2.5 Timing Characteristics (DE Mode)
| ITEM | SYMBOL | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|
| DCLK Frequency | Fclk | 40.8 | 51.2 | 67.2 | MHz |
| Horizontal Display Area | Thd | 1024 | 1024 | 1024 | Dclk |
| HSD Period | Th | 1114 | 1344 | 1600 | Dclk |
| Horizontal Blank | thb+tfp | 90 | 320 | 376 | Tclk |
| Vertical Display Area | tvd | 600 | 600 | 600 | TH |
| VSD Period | Tv | 610 | 635 | 800 | TH |
| vd Blanking | tvbp+tfp | 10 | 35 | 200 | TH |
3.2.6 Power On/Off Sequence
The specification provides a detailed power on/off sequence timing diagram. Key timing parameters from the sequence include:
- VGG (Gate voltage) and VDG (Drain voltage) must be applied in a specific order relative to VCOM and other signals.
- Timing constraints include: 30VGG, 5133us, 2000us, 1133us, 3000us, 5333us, 8333us, 16666us (microsecond delays) between various voltage transitions.
- The sequence diagram indicates the order: VGG (high), VCOM, VDG (high), VGL (low), with specific overlap and delay requirements.
- Proper sequencing is critical to prevent damage to the module during power-up and power-down.
3.2.7 Electro-Optical Characteristics
The specification defines the electro-optical measurement conditions:
- Test setup: LCD Module + LCD Panel with Photo meter (K-8) at the Center of the Screen in a Light Shield Room with Ambient Luminance < 2 lux at a distance of 180mm, and Ambient Temperature of 25+/-3 deg C.
- Definition of Viewing Angle: Normal (θx=0, θy=0), with θx+, θx-, θy+, θy- defined for 12 o'clock direction and 6 o'clock direction.
- Definition of Contrast Ratio: CR = L255 / L0 (Luminance of gray level 255 divided by Luminance of gray level 0).
- Definition of Response Time: Measured as transition time from black (TFT ON) to white (TFT OFF).
- Definition of Transmittance: Transmittance = Center Luminance of LCD / Center Luminance of Back Light x 100% (Module is without signal input).
4. Application Guidelines & Critical Notes
Intended Use
- Industrial control panels and human-machine interfaces (HMIs)
- Portable media players and handheld devices
- Any application requiring a standard 7.0-inch display with a MIPI DSI interface and IPS technology
Critical Design Considerations
- Interface (4-lane MIPI DSI): This module uses a MIPI DSI interface with 4 data lanes and 1 clock lane. The host controller must be capable of 4-lane MIPI operation for the 1024×600 resolution.
- Power Supply: Provide stable VDD (Power Supply), AVDD (9.0V~9.8V typical 9.6V) for analog circuit, VGH (17.0V~19.0V typical 18.0V) for Gate ON Voltage, and VGL (-7.0V~-5.0V typical -6.0V) for Gate OFF Voltage. The backlight requires a constant-current LED driver set to 160mA at approximately 9.0V~10.5V.
- Backlight Configuration: The backlight uses 24 LED chips configured as 3 chips in series, with 8 parallel chains. Total forward current is 160mA. Per chip the current is 20mA.
- Display Orientation Control: Pins UPDN (Pin 5) and SHLR (Pin 6) allow for vertical (Gate Up/Down) and horizontal (Source Right or Left) display orientation control.
- Standby Mode: The STBYB (Pin 26) pin controls standby mode. Set to appropriate level for normal operation or standby.
- Mechanical Integration: Module size: 164.9mm × 97.1mm × 2.6mm. Active area: 154.21mm × 85.92mm. Note the dimension tolerance of ±0.20mm on the outline drawing.
- Temperature Limits: From other similar modules, typical operating temperature range is around -20°C to +70°C. The specific temperature range for LS070I11-MP-V1 is not explicitly stated in the provided snippet but can be inferred from similar models.
- Power Sequence: Follow the provided power on/off sequence carefully to prevent damage to the module. The sequence specifies precise voltage timing for VGG, VCOM, VDG, and VGL.
- Reset Circuit: The RESET pin (Pin 27) is active low. Ensure it is held low for a sufficient period during power-up to guarantee proper initialization.
- PWM Control: LED backlight brightness can be controlled via PWM signal on the PWM pin with frequency range of 200Hz to 1kHz (typical 200Hz). PWM high voltage: 2.0V~3.6V (typical 3.3V), PWM low voltage: 0V~0.5V.
Handling & Compliance
- The module is RoHS compliant (according with RoHS environmental criterion).
- Observe standard ESD precautions during handling and assembly.
- The module contains fragile glass and a 30-pin FPC – handle with care.
- Avoid bending the FPC sharply, especially near the connector interface (pin 26 is labeled STBY, pin 27 is RESET, pins 28,29 are VDD).
- 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.
- As per mechanical notes: TP edge must not contact metal conductors; chassis foam window should be larger than VAmds by 0.6mm or more per side; suggested housing visible area should be smaller than VAmds by 0.3mm or more per side.
5. Conclusion & Design-In Support
The LS070I11-MP-V1 specification details a standard 7.0-inch WSVGA display module with a 4-lane MIPI DSI interface, IPS technology, and 24-LED backlight — an excellent choice for applications requiring a reliable and standard 7.0-inch display with a high-speed serial interface and wide viewing angles.
Key Strengths
- WSVGA Resolution (1024×600): Provides adequate image quality for a 7.0-inch display.
- IPS Display Technology: Offers superior viewing angles and color reproduction compared to standard TN panels (as per outline drawing notes).
- MIPI DSI Interface (4 Data Lanes): Sufficient bandwidth for WSVGA video content.
- High Brightness Backlight: Typical luminance of 400 cd/m² (minimum 360 cd/m²).
- Standard 7.0-inch Size: Suitable for a wide range of embedded and industrial applications.
- RoHS Compliant: Environmentally friendly design.
- Display Orientation Control: UPDN and SHLR pins allow for flexible display mounting orientation.
- PWM Brightness Control: LED backlight brightness can be controlled with standard PWM signal.
Main Design Focus
- The critical design task is properly configuring the MIPI DSI interface on the host processor for 4-lane operation and ensuring reliable high-speed data transfer for 1024×600 resolution with a DCLK frequency of 40.8~67.2 MHz (typical 51.2 MHz).
- Supporting requirements: Provide stable VDD, AVDD (9.6V), VGH (18.0V), and VGL (-6.0V) power supplies. Provide a constant-current backlight driver set to 160mA at 9.0~10.5V. Follow the proper power on/off sequence with specified timing. Ensure proper mechanical clearance as per the drawing notes.
This module is an excellent choice for industrial control panels, HMIs, and any embedded system requiring a standard 7.0-inch display with a MIPI interface, IPS viewing performance, and high-brightness backlight.
