LSC070I10-R-V1 | 7.0 inch TFT-LCD | 1024x600 (RGB) | Transmissive | RGB | Industrial Display | 50 Pins
1. Executive Summary & Product Positioning
The LSC070I10-R-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 7.0 inches and a resolution of 1024(RGB)×600 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’s rugged design, wide operating temperature range (-20°C to +60°C), and built-in projected capacitive touch (CTP) ensure reliable performance in demanding environments. The inclusion of a 24-bit Parallel RGB interface facilitates straightforward connectivity with a wide range of microcontrollers and processors. The module features IPS display mode with Normal Black and a transmittance of ≥85%.
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: 7.0-inch diagonal, a-Si TFT active matrix, transmissive mode, IPS (In-Plane Switching), Normal Black. The active area (H×V) is 153.84 mm × 85.63 mm.
- Module Size (H×V×D): 165 × 100 × 5.1 mm.
- Backlight Unit (B/L): The backlight consists of 27 white LEDs arranged in a 3 series, 9 parallel configuration (3串9并). The typical forward voltage (Vf) range is 8.4V to 10.5V, with a forward current (If) of 180mA.
- Touch Panel (CTP): The module includes a G+G (Glass+Glass) structured capacitive touch panel. The touch controller IC is based on the GT911/GT9 series from Goodix (COF package), supporting I2C interface for communication. Surface hardness is ≥6H, and transmittance is ≥85%.
- Mechanical Construction: COG (Chip-on-Glass) + FPC (Flexible Printed Circuit) + B/L + CTP. The cover lens (CG) has a thickness of 0.55mm, with a Sensor thickness of 0.4mm. The total thickness of the touch component is specified accordingly.
3. Exhaustive Technical Specifications
3.1 General & Mechanical Specifications
| Item | Specification |
| Display Size (Diagonal) | 7.0 inches |
| Resolution (Dots) | 1024(RGB) × 600 |
| Display Type | a-Si TFT-LCD, Transmissive, IPS, Normal Black |
| Module Construction | COG+FPC+B/L+CTP |
| Color Depth | 16.7M colors |
| TP Structure | G+G (Cover Glass + ITO Glass), COF, IC: GT911 |
| TP Hardness (Cover Glass) | ≥6H |
| Transmittance (TP/LCM) | ≥85% |
| Module Size (H×V×D) | 165 × 100 × 5.1 mm |
| Active Area (H×V) | 153.84 × 85.63 mm |
| Number of Dots (pixels) | 1024(RGB) × 600 |
| Contrast Ratio | 900:1 (TYP) |
| NTSC Saturation | 70% (TYP) |
| LCM Luminance (Brightness) | Min: 380 cd/m², TYP: 420 cd/m² (IF=20mA/LED) |
| Uniformity | 80% MIN |
| Color Coordinates (W) | X:0.30±0.03, Y:0.31±0.03 |
| Unspecified Tolerances | ±0.2 mm |
| RoHS Compliance | Yes |
3.2 Interface & Electrical Specifications
3.2.1 Electrical Characteristics (From Section 6)
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (Digital) | VCC | - | 3.3 | - | V |
| Gate ON Voltage | VGH | 19 | 20 | 21 | V |
| Gate OFF Voltage | VGL | -8 | -7 | -6 | V |
| Analog Power Supply | AVDD | 10.5 | 11 | 11.5 | V |
| Common Voltage | VCOM | 3.9 | 4.0 | 4.1 | V |
| LED Forward Voltage (Backlight) | VF | - | 9.0 | - | V |
| LED Forward Current (Backlight) | IR | - | 180 | - | mA |
| Input Low Voltage (IO) | VIL | 0 | --- | 0.1*VCC | V |
| Input High Voltage (IO) | VIH | 0.9*VCC | --- | VCC | V |
3.2.2 Pin Description (From Section 7-2, Key Pins)
The module utilizes a 50-pin FPC connector for the 24-bit parallel RGB interface. The following table describes the key pins as documented in the specification.
| Pin No. | Symbol | Description |
|---|---|---|
| 1-4 | VLEDA+, VLED- | Power for LED backlight (Anode 2 pins, Cathode 2 pins) |
| 5, 36, 38, 48, 50 | GND | Power Ground |
| 6, 46 | VCOM | Common Voltage |
| 7 | DVDD | Digital Power |
| 8 | MODE | DE/SYNC mode select. Normally pull high (H: DE mode). L: HSD/VSD mode. |
| 9 | DE | Data Enable signal |
| 10 | VSD | Vertical sync input, Negative polarity |
| 11 | HSD | Horizontal sync input, Negative polarity |
| 12-19 | B7-B0 | Blue Data Input (B7=MSB, B0=LSB) |
| 20-27 | G7-G0 | Green Data Input (G7=MSB, G0=LSB) |
| 28-35 | R7-R0 | Red Data Input (R7=MSB, R0=LSB) |
| 37 | DCLK | Clock input |
| 39 | SHLR | Left or Right Display Control |
| 40 | UPDN | Up/Down Display Control |
| 41 | VGH | Positive Power for TFT |
| 42 | VGL | Negative Power for TFT |
| 43 | AVDD | Analog Power |
| 44 | RSTB | Global reset pin. Active low. Suggest to connect with an RC reset circuit (R=10KΩ, C=1μF). Normally pull high. |
| 45, 49 | SCL(NC), SDI(NC) | Serial interface clock/SPI interface input pin (No Connection) |
| 47 | NC | No Connection |
Note: The full pinout includes 50 pins. Pins not listed are either not present or for internal use. Please refer to the full specification for the complete pin map.
3.3 Timing Characteristics (From Section 24-bit parallel RGB Input Timing)
The module's timing characteristics for the 24-bit parallel RGB interface are specified for the 1024x600 resolution. The following table summarizes the key timing parameters.
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| DCLK Frequency | - | 40.8 | 51.2 | 67.2 | MHz |
| Horizontal Total | tht | 1114 | 1344 | 1400 | DCLK |
| Hsync Pulse Width | ths | 1 | 24 | HBP-1 | DCLK |
| Horizontal Back Porch | thb | 60 | 160 | 160 | DCLK |
Note: The timing table above is for the 1024RGBx600 pixel configuration. The full specification includes timing for other resolutions (e.g., 1024x768, 800x600) as well.
3.4 Environmental & Reliability Specifications (From Section Outline Dimension Notes)
The module is designed to operate reliably across a range of conditions. The following specifications are extracted from the notes on the mechanical drawing and general description.
| Operating Temperature Range | -20°C to +60°C, ≤85%RH |
| Storage Temperature Range | -30°C to +70°C, ≤85%RH |
| Transmittance (TP) | ≥85% |
| Hardness (Cover Glass) | ≥6H |
| TP Resolution / Linearity / Accuracy | Technically specified per touch controller, minimum line distance and accuracy requested |
| RoHS Compliance | Yes, all materials in the drawing comply with the RoHS directive |
| Unspecified Tolerances | ±0.2 mm |
4. Application Guidelines & Critical Notes
When integrating the LSC070I10-R-V1 module, engineers must adhere to the specific guidelines outlined in the specification to ensure optimal performance and reliability.
- Power Supply: The module requires multiple supply voltages: Digital VCC (3.3V), VGH (20V), VGL (-7V), AVDD (11V), and VCOM (4.0V). A proper power-on sequence must be followed to prevent latch-up or damage. The backlight requires a constant current source with Vf=9.0V (typ) and If=180mA. The backlight circuit is configured as 3S9P (3 series, 9 parallel).
- Reset (RSTB Pin): The module uses an active low reset pin. The specification suggests connecting an RC reset circuit (R=10KΩ, C=1μF) for stability. Normally, the pin should be pulled high.
- Operating Modes (MODE Pin): The MODE pin is used to select between DE (Data Enable) mode and SYNC (HSD/VSD) mode. It should be set according to the host controller's output format. Normally, it is pulled high for DE mode.
- Display Control (SHLR, UPDN Pins): These pins allow the user to control the display orientation. SHLR controls Left/Right scanning direction, and UPDN controls Up/Down scanning direction.
- Mechanical Mounting: The module has a precise outline dimension of 165×100×5.1 mm with an active area of 153.84×85.63 mm. The FPC has 50 pins. Care must be taken during mounting to avoid excessive stress on the glass or FPC. The TP edge must not contact metal conductors. The housing foam window should be at least 0.6mm larger than the VA (Viewing Area) on each side.
- Optical Performance: The module is an IPS type with a typical luminance of 420 cd/m² and a contrast ratio of 900:1 (TYP). The transmittance is ≥85%, and the NTSC color saturation is 70% (Typ). The viewing angle is superior due to the IPS technology.
- ESD Protection: Proper ESD protection should be implemented at the system level, especially for the FPC interface and touch panel connections.
5. Conclusion & Design-In Support
The LSC070I10-R-V1 from Lesson Smart Display Technology is a well-specified, industrial-grade 7.0-inch TFT-LCD module that balances resolution (1024x600), color performance (16.7M), and ruggedness. Its integration of an IPS panel, capacitive touch (GT911), and a wide-temperature design makes it an excellent choice for demanding embedded applications requiring a reliable touch display interface.
For design-in support, it is strongly recommended to:
- Refer to the full Product Specification (Revision 1.0) for detailed optical characteristics (luminance, contrast, viewing angles, uniformity) and complete timing diagrams.
- Obtain the IC application notes for the display driver and the GT911 touch controller to understand initialization sequences, register settings, and sleep mode management.
- Utilize the mechanical drawing (Outline Dimension) for accurate footprint creation and enclosure design, noting the backlight circuit diagram (VLEDA+, VLED- connections) and pinout details.
- Contact the manufacturer for evaluation kit availability, sample requests, and technical support during the porting phase.
This module is designed to meet the rigorous demands of modern human-machine interfaces, ensuring long-term availability and performance in commercial and industrial settings.
