LSC101I14-L-V1 | 10.1 inch TFT-LCD | 1280x800 (WXGA) | LVDS | With CTP
1. Executive Summary & Product Positioning
The LSC101I14-L-V1 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 (Thin Film Transistors) as active switching devices and is composed of an LCD panel, Driver IC, FPC (Flexible Printed Circuit), Backlight (B/L), and Capacitive Touch Panel (CTP). With a display size of 10.1 inches and a WXGA resolution of 1280 horizontal by 800 vertical pixels, it can display 16.7 million colors.
Product Positioning: Designed for a wide range of industrial and commercial applications that require a high-quality, reliable display with integrated touch functionality. The module features a typical brightness of 350 cd/m² and a high contrast ratio of 1000:1. It utilizes a standard LVDS (Low-Voltage Differential Signaling) interface for easy integration with a variety of host processors. The module is well-suited for industrial HMI panels, medical equipment, and other embedded display systems.
2. Detailed Product Overview & Architecture
The module's architecture is designed for straightforward integration and reliable operation. The primary components include:
- TFT-LCD Panel: 10.1-inch diagonal, a-Si TFT active matrix, transmissive display mode. The active area is 216.96 mm (H) × 135.6 mm (V). The pixel arrangement is RGB vertical stripe.
- Driver IC & TCON: The module integrates a timing controller (TCON) to support the LVDS interface.
- Backlight Unit (B/L): A white LED backlight unit. The typical brightness is 350 cd/m².
- Touch Panel (CTP): The module includes a capacitive touch panel (CTP) with a dedicated I2C interface (CTP-SCL, CTP-SDA, CTP-WAKE, CTP-IN). It operates at a voltage of 3.3V and 1.8V.
- Mechanical Construction: COG (Chip-on-Glass) + FPC + B/L + CTP. The module outline dimensions are 249.8 mm (W) × 157 mm (H) × 4.65 mm (D).
- Interface: The module communicates via a 40-pin FPC connector. The main display interface is LVDS. The pinout includes LVDS data pairs, a clock pair, power supply (VDD = 3.3V), and touch panel signals.
3. Exhaustive Technical Specifications
3.1 General & Mechanical Specifications
| Item | Specification |
| Display Size (Diagonal) | 10.1 inches |
| Resolution (Dots) | 1280(RGB) × 800 (WXGA) |
| Display Technology | a-Si TFT, Transmissive, Normally Black |
| Module Construction | COG+FPC+B/L+CTP |
| Color Depth | 16.7M colors |
| Display Format | RGB Vertical Stripe |
| Viewing Angle (CR>10) | 80°/80°/80°/80° (L/R/U/D, Typ) |
| Luminance (Brightness, Typ) | 350 cd/m² |
| Contrast Ratio (Typical) | 1000:1 (Typ) |
| Response Time (Tr+Tf) | 35ms (Typ), 40ms (Max) |
| Transmittance | 6% (Typ), 5.1% (Min) |
| Active Area (H×V) | 216.96 mm × 135.6 mm |
| Outline Dimensions (H×V×D) | 249.8 mm × 157 mm × 4.65 mm |
| Interface | LVDS |
| Backlight | White LED, If = 260mA, Vf = 9-9.6V |
| Touch Panel | Capacitive (Integrated CTP via I2C) |
| Operating Temperature | -20°C to +70°C (from outline drawing) |
| Storage Temperature | -30°C to +80°C (from outline drawing) |
3.2 Interface & Electrical Specifications
3.2.1 Electrical Characteristics (From Specification Section 6)
| Parameter | Symbol | Min | Typ | Max | Unit | Note |
|---|---|---|---|---|---|---|
| Power Supply Voltage | VDD | 3.0 | 3.3 | 3.6 | V | -- |
| Power Supply Ripple | VRP | -- | -- | 300 | mV | -- |
| Power Supply Current | IDD | -- | 182 | 243 | mA | Note 1 |
| Power Consumption | PLCD | -- | 0.6 | 0.8 | W | Note 1 |
| Rush Current | IRUSH | -- | -- | 3.0 | A | Note 2 |
| Input High Voltage (CMOS) | VIH | 2.7 | -- | 3.3 | V | -- |
| Input Low Voltage (CMOS) | VIL | 0 | -- | 0.5 | V | -- |
3.2.2 Key Pin Description (From 40-Pin Connector - Specification Section 7-2)
The module's 40-pin connector integrates the LVDS display interface, power supply, and touch panel signals. Key pins are described below:
| Pin No. | Symbol | Function |
|---|---|---|
| 1, 4-6, 23-24, 28-29 | NC | No Connection |
| 2-3 | VDD | Power Supply (3.3V Typ) |
| 7, 10, 22, 25, 30 | GND | Ground |
| 8-9 | RIN0-/+, RIN1-/+, RIN2-/+, RIN3-/+ | LVDS Differential Data and Clock Inputs (4 Pairs) |
| 26-27 | SCL_S, SDA_S | I2C Interface (for Touch Panel) |
3.2.3 Backlight Characteristics (From Specification Section 8 Note 4)
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Forward Current | If | -- | 260 | -- | mA |
| Forward Voltage | Vf | 9 | -- | 9.6 | V |
3.3 Optical Specifications (From Specification Section 8)
Optical characteristics are measured at the center of the active area (θx = θy = 0) unless otherwise noted.
| Item | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Response Time | Tr + Tf | θx = θy = 0 | -- | 35 | 40 | ms |
| Contrast Ratio | CR | θx = θy = 0 | -- | 1000 | -- | -- |
| Transmittance | T% | θx = θy = 0 | 5.1 | 6 | -- | % |
| Viewing Angle (Top) | θT | CR > 10 | -- | 80 | -- | Deg. |
| Viewing Angle (Bottom) | θB | CR > 10 | -- | 80 | -- | Deg. |
| Viewing Angle (Left) | θL | CR > 10 | -- | 80 | -- | Deg. |
| Viewing Angle (Right) | θR | CR > 10 | -- | 80 | -- | Deg. |
| Luminance | L | I_F = 260mA | -- | 350 | -- | cd/m² |
4. Application Guidelines & Critical Notes
When integrating the LSC101I14-L-V1 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 3.3V supply (VDD) on pins 2 and 3. The typical current consumption is 182mA. The power supply ripple must be kept below 300mV. Note the specified rush current of up to 3.0A, which may require a soft-start or inrush current limiting.
- Backlight Driver: The backlight requires a constant current driver set to 260mA, with a forward voltage of 9V to 9.6V. This is a critical specification for achieving the typical 350 cd/m² brightness. The backlight circuit diagram shows the LED configuration.
- LVDS Interface: The module uses a standard LVDS interface with 4 differential data pairs and a clock pair. The host board must be designed to drive the differential pairs correctly with controlled 100-ohm differential impedance.
- I2C Interface for Touch: Pins 26 and 27 are reserved for I2C communication (SCL_S, SDA_S) for the capacitive touch panel (CTP). These lines require pull-up resistors (typically 4.7kΩ to 3.3V). The CTP also has dedicated wake and interrupt signals (CTP-WAKE, CTP-IN) as shown on the mechanical drawing.
- Mechanical Integration: The specification provides a detailed mechanical drawing. The module has an outline size of 249.8 mm x 157 mm x 4.65 mm. The active area is 216.96 mm x 135.6 mm. The drawing provides notes on mounting, including a 0.2mm tolerance for key dimensions and a specific steel sheet reinforcement for the FPC.
- Optical Performance: The module utilizes IPS display technology (indicated by the \"Full View\" and 80/80/80/80 viewing angle specification). The luminance of 350 cd/m² is achieved at the specified backlight current. The specification also provides formulas for calculating cross-talk.
- Temperature Range: The module operates from -20°C to +70°C and can be stored from -30°C to +80°C (from the outline drawing).
5. Conclusion & Design-In Support
The LSC101I14-L-V1 from Lesson Smart Display Technology is a well-specified 10.1-inch TFT-LCD module that offers a balanced combination of performance, reliability, and integrated touch functionality. Its WXGA resolution, LVDS interface, and standard operating conditions make it a practical choice for a wide range of industrial and embedded display applications.
For design-in support, it is strongly recommended to:
- Obtain and review the full Product Specification (Revision 1.0) for the complete 40-pin connector mapping, detailed LVDS timing diagrams, and the complete mechanical outline drawing.
- Design the power supply to provide a clean 3.3V rail (VDD) and ensure the backlight driver can provide a constant current of 260mA at up to 9.6V.
- Use the mechanical drawing to create an accurate footprint for the module and ensure the enclosure accommodates the outline dimensions, mounting holes, and FPC routing.
- Contact the manufacturer for evaluation kits, sample requests, and technical support during the design-in phase.
This module is engineered to deliver consistent, high-quality display performance for a variety of commercial and industrial environments.
