LSC1010I21-L-V2 | 10.1 inch TFT-LCD | 1024x600 (WSVGA) | TN | LVDS | With CTP
1. Executive Summary & Product Positioning
The LSC1010I21-L-V2 is a 10.1-inch color active matrix TFT LCD module developed by 立信(万安)智显科技有限公司 (Lesson Smart Display Technology Co., Ltd). This module uses amorphous silicon TFTs as switching devices and is composed of a TN (Twisted Nematic) LCD panel, Driver IC, FPC (Flexible Printed Circuit), and Backlight. It features a built-in capacitive touch panel (CTP). With a resolution of 1024×600 (WSVGA), it is a cost-effective and reliable display solution.
Product Positioning: This module is designed for a wide range of industrial and commercial applications such as human-machine interfaces (HMI), industrial control panels, and embedded systems. The TN display technology offers a fast response time and is well-suited for applications where wide viewing angles are not the primary requirement. The inclusion of a capacitive touch panel (GT911) simplifies system integration and enables modern touch-based interactions. The module uses a standard LVDS interface for easy connection to a variety of host processors.
2. Detailed Product Overview & Architecture
The module's architecture is designed for robust performance and straightforward integration. The primary components include:
- TFT-LCD Panel: 10.1-inch diagonal, a-Si TFT active matrix, TN (Twisted Nematic) display mode. The active area is 222.72 mm (W) × 125.28 mm (H). The pixel pitch is 0.2175 mm (H) × 0.2088 mm (V).
- Driver IC & TCON: The module supports an LVDS interface for video data. The specific driver IC is an HX8282A11/HX8696 (as indicated in the drawing).
- Backlight Unit (B/L): A white LED backlight unit consisting of 6 LED bars, each with 7 LED dies (6x7=42 dies). The typical current (I_F) is 190mA, and the typical voltage (V) is 9.6V. The brightness is typically 220 cd/m².
- Touch Panel (CTP): The module includes an integrated capacitive touch panel controlled by a GT911 touch controller IC. It communicates via a dedicated I2C interface (SCL, SDA) with interrupt (INT) and reset (RST) pins. The CTP uses a G+G structure with a South Glass (南玻白玻) cover lens.
- Mechanical Construction: COG (Chip-on-Glass) + FPC + B/L + CTP. The module outline dimensions are 235.0 mm (W) × 143.0 mm (H) × 2.90 mm (D). The CTP has a surface hardness of ≥6H (Pencil hardness test).
3. Exhaustive Technical Specifications
3.1 General & Mechanical Specifications
| Item | Specification |
| Display Size (Diagonal) | 10.1 inches |
| Resolution (Dots) | 1024(RGB) × 600 (WSVGA) |
| Display Technology | a-Si TFT, TN, Normally Black |
| Module Construction | COG+FPC+B/L+CTP |
| Color Depth | 16.7M |
| Display Format | RGB Vertical Stripe |
| Viewing Direction | Free (Free) |
| Luminance (Brightness, Typ) | 220 cd/m² (Typ), 210 cd/m² (Min) |
| Contrast Ratio (Typical) | 600:1 (Typ) |
| Active Area (W×H) | 222.72 mm × 125.28 mm |
| Outline Dimensions (W×H×D) | 235.0 mm × 143.0 mm × 2.90 mm |
| Surface Treatment | Hard Coating (Hard Coating) |
| Interface | LVDS |
| Backlight | White LED, 6x7=42 dies, 190mA, 9.6V |
| Touch Controller IC | GT911 (Goodix) |
| Operation Temperature | -10°C to +60°C |
| Storage Temperature | -20°C to +70°C |
3.2 Interface & Electrical Specifications
3.2.1 Pin Description (From 30-Pin Connector)
The module uses a 30-pin connector for the main LCD interface. The interface is LVDS and the pinout includes power, differential data and clock pairs. The touch panel uses a separate 6-pin I2C interface.
| Pin No. | Symbol | I/O | Description |
|---|---|---|---|
| 1 | VCOM | P | Common Voltage |
| 2, 3 | VDD | P | Power Voltage for digital circuit |
| 4 | NC | - | No Connection |
| 5 | RESET | I | Global Reset Pin (Active Low). Suggest RC circuit. |
| 6 | STBYB | I | Standby Mode (Normal High) |
| 7, 10, 13, 16, 19, 22 | GND | P | Ground |
| 8, 9, 11, 12, 14, 15, 17, 18, 20, 21 | RXIN0-/+ to RXIN3-/+ | I | LVDS Differential Data Input (4 Pairs) |
| 25-30 | LED+, LED-, etc. | P | Backlight Power Supply |
3.2.2 Absolute Maximum Ratings
| Item | Symbol | Min | Max | Unit |
|---|---|---|---|---|
| LC Operating Voltage | V_OP | - | 4.5 | V |
| Operating Temperature | T_OP | -20 | 70 | °C |
| Storage Temperature | T_ST | -30 | 80 | °C |
3.2.3 Touch Panel I2C Interface (From CTP Drawing)
The touch controller (GT911) uses a dedicated I2C interface. Key signals include:
- CTP_SCL: I2C Clock.
- CTP_SDA: I2C Data.
- CTP_INT: Touch interrupt.
- CTP_RST: Touch controller reset.
- VCC (3.3V): Power supply for the touch controller.
3.2.4 Backlight Characteristics
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| LED Current | IF | - | 190 | - | mA |
| LED Voltage | V | 9.0 | 9.6 | 10.8 | V |
| LED Lifetime | T | - | 10000 | - | hrs |
3.3 AC Timing (LVDS)
The module supports both 6-bit and 8-bit LVDS input data (Note 1: If LVDS input data is 6 bits, SELB must be set to High; If LVDS input data is 8 bits, SELB must be set to Low). The module also supports scan direction control via L/R and U/D pins.
3.4 Reliability & Warranty
The module has undergone standard reliability tests for temperature, humidity, shock, vibration, and ESD.
| Item | Specification |
| Warranty Period | 12 months from the date of shipping under normal using and storage conditions. |
4. Application Guidelines & Critical Notes
When integrating the LSC1010I21-L-V2 module, engineers must adhere to the specific guidelines outlined in the specification to ensure optimal performance and reliability.
- Power Supply (VDD): The module requires a stable power supply for the digital circuit (VDD). The specific voltage and current ratings should be obtained from the full specification's electrical characteristics section. Note that the pinout includes a VCOM pin (Pin 1) which must be properly driven.
- Reset Circuit (RESET): Pin 5 (RESET) is an active-low global reset. The spec suggests adding an RC reset circuit (R=10K ohm, C=0.1uF) for stability. If no RC circuit is used, the signal must be held low for more than 50ms (T2 > 50ms).
- Standby Mode (STBYB): Pin 6 is the standby control. It should be pulled high for normal operation. Pulling it low will turn off the timing controller and source driver, putting the output into High-Z state.
- LVDS Interface: The module uses a single-channel LVDS interface. The clock and data pairs must be routed with controlled 100-ohm differential impedance. The AC timing characteristics are covered in the specification.
- Backlight Driver: The backlight has a specific current (190mA Typ) and voltage (9.6V Typ) requirement. An external LED driver is needed for constant current control. The circuit diagram shows a 6x7 LED matrix with typical V=19.2V for the total string, so the driver must provide the appropriate voltage boost.
- Capacitive Touch Panel (CTP): The integrated GT911 touch controller communicates via an I2C interface. Proper I2C pull-up resistors (typically 4.7kΩ) are required on the SCL and SDA lines. The CTP has a G+G structure with a surface hardness of ≥6H (pencil hardness test).
- Mechanical Mounting: The module has an outline size of 235.0mm x 143.0mm x 2.90mm. The mounting area requires careful consideration of the CTP overlay and bezel design. The drawing indicates a 0.5mm pitch for the connector.
- Power On/Off Sequence: The specification details a specific power-on and power-off timing sequence to prevent damage to the IC. The rising time of VDD (TPOR) must be within the specified range. Refer to Section 6.2 for the detailed timing chart.
5. Conclusion & Design-In Support
The LSC1010I21-L-V2 from Lesson Smart Display Technology is a reliable and cost-effective 10.1-inch WSVGA display module. Its TN technology, LVDS interface, and integrated capacitive touch panel (GT911) make it a practical solution for a wide variety of industrial and embedded HMI applications.
For design-in support, it is strongly recommended to:
- Obtain and review the full Product Specification (Revision 1.0) for the complete set of electrical characteristics, detailed LVDS timing diagrams, and the precise power sequencing (T1-T21).
- Design the power supply and LED backlight driver according to the specified voltages and currents (LCD VDD and BL 9.6V/190mA).
- Utilize the mechanical drawing to create an accurate enclosure design, paying attention to the active area, viewing area, and CTP mounting details.
- Contact the manufacturer for evaluation kits, sample requests, and technical support during the design-in phase, especially for guidance on the LVDS configuration and GT911 initialization.
This module is engineered to provide consistent and reliable performance for a wide range of commercial and industrial applications.
