LSC070I23-MP-V1 | 8.0 inch TFT-LCD | 800x1280 (RGB) | Transmissive IPS | MIPI | Industrial Display | 30 Pins
1. Executive Summary & Product Positioning
The LSC070I23-MP-V1 is a high-performance, transmissive type a-Si TFT-LCD (amorphous silicon thin film transistor liquid crystal display) module developed by 立信(万安)智显科技有限公司 (Lesson Smart Display Technology Co., Ltd). This module integrates a TFT-LCD panel, a driver circuit, a backlight unit, and a capacitive touch panel (CTP) in a compact COG+FPC+B/L+CTP package. With a display size of 8.0 inches and a resolution of 800(RGB)×1280 dots, it delivers up to 16.7 million colors, making it suitable for vibrant graphical user interfaces.
Product Positioning: Designed for industrial control panels, medical equipment displays, portable instrumentation, and human-machine interface (HMI) applications. The module features an IPS (In-Plane Switching) display panel with Free viewing direction (Grayscale Inversion), ensuring excellent image quality from virtually any angle. Its rugged design, wide operating temperature range (-20°C to +70°C), and built-in capacitive touch panel ensure reliable performance in demanding environments. The inclusion of a MIPI DSI interface (4 data lanes) facilitates high-speed communication with modern application processors.
2. Detailed Product Overview & Architecture
The module's architecture is based on a multi-component assembly designed for ease-of-integration and high reliability. The primary components include:
- TFT-LCD Panel: 8.0-inch diagonal, a-Si TFT active matrix, transmissive mode, IPS (In-Plane Switching). The active area (A.A) measures approximately 94.5 mm (H) × 107.98 mm (V), and the resolution is 800(RGB)×1280 dots.
- Driver IC: The module is driven by a main LCD driver IC that supports the 800(RGB)×1280 resolution and 16.7M color depth via the MIPI DSI interface. The specific driver IC part number is not explicitly stated in the snippet but is referred to as "MAIN LCD DRIVER".
- Touch Panel (CTP): The module includes a built-in capacitive touch panel. The touch interface uses an I2C protocol with signals TP_SDA, TP_SCL, TP_INT, and TP_RESET, powered by VDD (3.3V).
- Backlight Unit (B/L): The backlight consists of 36 white LEDs arranged in a 4 series, 9 parallel configuration (4S9P). The backlight voltage is 12V.
- Mechanical Construction: COG (Chip-on-Glass) + FPC (Flexible Printed Circuit) + B/L + CTP. The module size is approximately 107.98(H) × (V) mm, with a total thickness of 3.55 mm ± 0.5 mm. An optional heating film with voltage 12V/3A (thickness 0.2mm) is available.
3. Exhaustive Technical Specifications
3.1 General & Mechanical Specifications
| Item | Specification |
| Display Size (Diagonal) | 8.0 inches |
| Resolution (Dots) | 800(RGB) × 1280 |
| Display Mode | a-Si TFT-LCD, Transmissive, IPS |
| Viewing Direction | Free (IPS) - Grayscale Inversion Free |
| Module Construction | COG+FPC+B/L+CTP |
| Color Depth | 16.7M colors |
| Input Data | MIPI input (4 data lanes) |
| Backlight | 36 white LEDs (4S9P), 12V |
| Heating Film (Optional) | 12V/3A, 0.2mm thickness |
| Active Area (H×V) | ~94.5 × 107.98 mm |
| Module Size (H×V×D) | 107.98 × (V) × 3.55 ± 0.5 mm (Detailed V dimension TBD from drawing) |
| Luminance (Brightness) | 1000 cd/m² (Typical, surface brightness) |
3.2 Interface & Electrical Specifications
3.2.1 Absolute Maximum Ratings (From Section 5)
| Item | Symbol | Min | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | VCC | -0.3 | 3.6 | V |
| I/O Supply Voltage (IOVCC) | IOVCC | -0.3 | 3.6 | V |
| Operating Temperature | TOPR | -10 | +60 | °C |
| Storage Temperature | TSTR | -20 | +70 | °C |
3.2.2 Electrical Characteristics (From Section 6)
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | VCC | - | 3.3 | - | V |
| I/O Supply Voltage (IOVCC) | IOVCC | - | 1.8 | - | V |
| Input Low Voltage | VIL | 0 | - | 0.3*IOVCC | V |
| Input High Voltage | VIH | 0.7*VCC | - | IOVCC | V |
3.2.3 Pin Description (From Section 7-2, Key Pins)
The module utilizes a 30-pin FPC connector. The interface uses 4 MIPI data lanes (Lane 0-3) plus a clock lane. Key pins for display and touch interface are described below:
| Pin No. | Symbol | I/O | Description |
|---|---|---|---|
| 1, 2 | VCC5V | P | Power supply 5V |
| 5 | TP_SDA | I | TP Serial data input/output bidirectional pin |
| 6 | TP_SCL | I | SCL pin for TP |
| 8 | TP_INT | I | TP Interrupt signal |
| 13 | RESET | I | Reset pin |
| 14 | TP_RESET | I | TP Reset signal pin |
| 16, 17 | D3N, D3P | I | MIPI-DSI Data differential signal input pins (Data lane 3) |
| 19, 20 | D2N, D2P | I | MIPI-DSI Data differential signal input pins (Data lane 2) |
| 22, 23 | D1N, D1P | I | MIPI-DSI Data differential signal input pins (Data lane 1) |
| 25, 26 | D0N, D0P | I | MIPI-DSI Data differential signal input pins (Data lane 0) |
| 28, 29 | CLKN, CLKP | I | MIPI-DSI CLOCK differential signal input pins |
Note: Pins 3, 10, 12 are NC (No Connection). Pins 4, 7, 9, 11, 15, 18, 21, 24, 27, 30 are GND (Ground). The TP interface is powered by VDD (3.3V, Pin not explicitly shown in snippet). This pinout indicates a standard MIPI DSI with 4 data lanes, dedicated reset, and an I2C-based touch controller.
3.3 Timing Characteristics (From Section 3-5 Vertical/Horizontal Timings)
3.3.1 Vertical Timing
The module's vertical timing parameters are defined for the 800x1280 resolution. Key timings are listed below:
| Item | Symbol | Condition | Min | Max | Unit |
|---|---|---|---|---|---|
| Vertical Active Area | VDISP | - | 1280 | - | Lines |
3.3.2 Horizontal Timing
The horizontal timing parameters are defined for the 800x1280 resolution with conditions (TA=25°C, IOVCC=1.8V, VCIP=VC1=VCCH=2.8V).
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| HS low pulse width | HS | 6 | 18 | 78 | DCK |
| Horizontal back porch | HBP | 5 | 18 | 78 | DCK |
| Horizontal front porch | HFP | 5 | 18 | 78 | DCK |
| Horizontal blanking period | HBLK | 16 | 54 (Note1) | 88 | DCK |
| Horizontal active area | HDISP | - | 800 | - | DCK |
| Pixel Clock | PCLK | 63.06 (Note2) | 67.33 (Note2) | 81.51 (Note2) | MHz |
Note: Note 1: Typical HBLK of 54 DCK. Note 2: Values depend on DSI clock and data lane configuration. The PCLK values assume specific MIPI bit rates as defined in the full specification.
3.3.3 Low Power Transmitter Characteristics (From Section 7-2 Table)
| Parameter | Description | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VOH | Thevenin output high level | 1.1 | 1.2 | 1.3 | V |
| VOL | Thevenin output low level | -50 | - | 50 | mV |
| ZOLP | Output impedance of LP-TX | 110 | - | - | Ω |
3.4 Environmental & Reliability Specifications (From Outline Dimension Notes)
The module is designed to operate reliably across a range of conditions. Key specifications are extracted from the notes on the mechanical drawing.
| Operating Temperature Range | -20°C to +70°C (Note 2: OPERATING TEMP: -20°C~70°C) |
| Storage Temperature Range | -30°C to +80°C (Note 3: STORAGE TEMP: -30°C~80°C) |
| Backlight Voltage | 12V (背光电压 12 V) |
| Backlight Current | 180 mA |
| Backlight Configuration | 4S9P (4 series, 9 parallel) |
| Heating Film (Optional) | 12V/3A, thickness 0.2mm |
| RoHS Compliance | Yes (Note 6: ROHS COMPLIANCE) |
| Housing Foam Window | Should be single side 0.6mm larger than VA (Note 8) |
| Enclosure VA Opening | Should be 0.3mm smaller than VA single side (Note 7) |
| Unspecified Tolerances | ±0.2 mm (Note: TOLERANCE OF SEGMENTS TO EDGE OF GLASS: ±0.2MM) |
4. Application Guidelines & Critical Notes
When integrating the LSC070I23-MP-V1 module, engineers must adhere to the specific guidelines outlined in the specification to ensure optimal performance and reliability.
- Power Supply (VCC5V): The module requires a 5V power supply on pins 1 and 2 (VCC5V) for the LCD and touch panel. Additionally, VDD (3.3V) is needed for the touch panel I2C interface (refer to full pinout). A proper power-on sequence must be followed to prevent latch-up or damage.
- MIPI Interface (4 Lanes): The interface uses 4 data lanes (Lane 0-3) plus a clock lane. Strict impedance control (100Ω differential) on the PCB traces is necessary to maintain signal integrity. The pixel clock (PCLK) typically operates at 67.33 MHz, requiring the host processor to configure the MIPI D-PHY accordingly.
- Backlight Driver: The backlight consists of 36 LEDs in a 4S9P configuration, requiring a constant voltage driver at 12V with a maximum current of 180mA. A boost or SEPIC converter is typically needed to generate 12V from a lower system rail.
- Touch Panel Interface (I2C): The touch controller communicates via an I2C bus (TP_SDA, TP_SCL) with a dedicated interrupt (TP_INT) and reset (TP_RESET). Proper pull-up resistors on the I2C lines are necessary. The TP is powered by VDD (3.3V).
- Heating Film (Optional): The module supports an optional heating film (12V/3A) for operation in extreme low-temperature environments. This is critical for outdoor or cold-storage applications. The heating film (thickness 0.2mm) should be integrated into the system design if required.
- Mechanical Mounting: The specification provides clear guidelines for mounting: the housing foam window should be 0.6mm larger than the VA on each side, and the enclosure opening should be 0.3mm smaller than the VA on each side. The TP edge must not contact metal conductors. The general tolerance is ±0.2mm.
- Optical Performance: The module delivers high brightness (1000 cd/m²) with an IPS panel, ensuring excellent readability even in bright environments. The response time measurement setup is illustrated in the specification, with Tr (10% to 90%) and Tf (90% to 10%) being the key parameters.
5. Conclusion & Design-In Support
The LSC070I23-MP-V1 from Lesson Smart Display Technology is a well-specified, industrial-grade 8.0-inch IPS TFT-LCD module that balances high resolution (800x1280), excellent viewing angles (Free/IPS), and high brightness (1000 cd/m²). Its integration of a 4-lane MIPI interface, capacitive touch, and an optional heating film makes it an excellent choice for demanding industrial and outdoor applications.
For design-in support, it is strongly recommended to:
- Refer to the full Product Specification (Revision 1.0) for detailed optical characteristics (response time, contrast ratio, chromaticity) and complete MIPI D-PHY timing diagrams for all 4 data lanes and clock lane.
- Obtain the IC application notes for the main LCD driver and touch controller to understand initialization sequences and register settings.
- Utilize the mechanical drawing (Outline Dimension) for accurate footprint creation and enclosure design, paying attention to the VA and A.A boundaries and the optional heating film space.
- Contact the manufacturer for evaluation kit availability, sample requests, and technical support during the porting phase, especially regarding the heating film integration and high-brightness backlight driver design.
This module is designed to meet the rigorous demands of modern human-machine interfaces, ensuring long-term availability and performance in commercial and outdoor settings.
