LSC101I39-L-V1 | 10.1 inch TFT-LCD | 1280x800 (WXGA) | LVDS | With CTP
1. Executive Summary & Product Positioning
The LSC101I39-L-V1 is a 10.1-inch 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). It is composed of a TFT-LCD panel, a driver circuit, and a backlight unit. The panel size is 10.1 inch and the resolution is 1280(RGB)*800, the panel can display up to 16.7M colors. This module includes an integrated capacitive touch panel (CTP).
Product Positioning: Designed for a wide range of industrial and commercial applications requiring a standard WXGA (1280x800) landscape display with a widely-adopted LVDS interface. This module is built for robust performance with a wide operating temperature range of -20°C to +70°C and storage range of -30°C to +80°C. The backlight circuit is designed as a 5串8并 (5 serial, 8 parallel) configuration, driven by an external LED driver through the VLED (5-12V), LED_EN, and LED_PWM pins on the main connector. It is suitable for industrial HMIs, medical equipment, and embedded systems that require reliable performance across various environments.
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, transmissive display mode. The resolution is 1280(RGB) × 800 pixels.
- Driver IC & TCON: The module integrates an LVDS receiver to support the standard LVDS interface (4 data pairs + 1 clock pair). It supports both 6-bit and 8-bit color modes.
- Backlight Unit (B/L): A white LED edge-lit backlight unit. The backlight circuit is configured as 5串8并 (5 strings of 8 LEDs in parallel = 40 LEDs total). The backlight is driven by an external current source via VLED, with enable (LED-EN) and PWM (LED-PWM) control signals. The typical drive conditions are If=160mA, Vf=15-16V.
- Mechanical Construction: COG (Chip-on-Glass) + FPC + B/L + CTP. The module outline dimensions are 229.30 (W) × 148.0 (H) × 2.60 (T) mm (outer dimensions) with a maximum thickness of 4.5mm.
- Interface: The module communicates via a 40-pin connector. The main display interface is LVDS.
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 |
| Module Construction | COG+FPC+B/L+CTP |
| Color Depth | 16.7M colors (8-bit) / 262K colors (6-bit) |
| Interface | LVDS (4 Data Pairs + 1 Clock Pair) |
| Backlight Configuration | White LED, 40 LEDs (5串8并), If=160mA, Vf=15-16V |
| Active Area (AA) | 216.91(H) × 135.57(V) mm (Typ) |
| Outline Dimension (W×H×T) | 229.30 × 148.0 × 2.60 mm (Max T: 4.5 mm) |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -30°C to +80°C |
3.2 Electrical Specifications
3.2.1 Absolute Maximum Ratings
| Parameter | Symbol | Min | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VDD) | VDD | -0.3 | 4.0 | V |
| Backlight Voltage | VLED | 5.0 | 12.0 | V |
| Operation Temperature | TOPR | -20 | +70 | ℃ |
| Storage Temperature | TSTR | -30 | +80 | ℃ |
3.2.2 Electrical Characteristics
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage | VDD | 3.0 | 3.3 | 3.6 | V |
| Ripple Voltage | VRP | -- | -- | 300 | mV |
| Supply Current (VDD) | IDD | -- | 182 | 243 | mA |
| Power Consumption (LCD) | PLCD | -- | 0.6 | 0.8 | W |
| Rush Current | IRUSH | -- | -- | 3.0 | A |
3.2.3 CMOS Interface Characteristics
| Parameter | Symbol | Min | Max | Unit |
|---|---|---|---|---|
| Input High Voltage | VIH | 2.7 | 3.3 | V |
| Input Low Voltage | VIL | 0 | 0.5 | V |
| Output High Voltage | VOH | 2.7 | 3.3 | V |
| Output Low Voltage | VOL | 0 | 0.5 | V |
3.2.4 Backlight LED Characteristics
The backlight is a 5串8并 (5 Serial, 8 Parallel) configuration of white LEDs. An external constant current driver is required to provide the specified current to the LED+ and LED- pins.
| Parameter | Symbol | Value | Unit | Condition |
|---|---|---|---|---|
| Forward Voltage | Vf | 15.0 - 16.0 | V | If=160mA |
| Forward Current (Total) | If | 160 | mA | - |
| Power Supply (Backlight Driver) | VLED | 5.0 - 12.0 | V | Input to on-board converter |
3.2.5 Power Sequence Timing
The specification details a power sequence for the LVDS interface and backlight, with typical timings as follows:
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Power On (VDD to Interface) | T1 | 0 | - | 10 | ms |
| Interface to Data (Valid) | T2 | 0 | - | 50 | ms |
| Data to Backlight ON | T3 | 200 | - | - | ms |
| Backlight OFF to Data OFF | T4 | 500 | - | - | ms |
| Data OFF to Interface OFF | T5 | 0 | - | 50 | ms |
| Interface OFF to VDD OFF | T6 | 0 | - | 10 | ms |
| VDD OFF to Next Power On | T7 | 500 | - | - | ms |
3.3 Pin Description (40-Pin Connector)
The module uses a 40-pin connector. The pinout integrates the LVDS interface, power supply, backlight controls, and touch panel signals.
| Pin No. | Symbol | Description | Pin No. | Symbol | Description |
|---|---|---|---|---|---|
| 1 | NC | Non Connection | 21 | RIN3+ | LVDS Positive data signal (+) |
| 2 | VDD | Power supply VDDIN=3.3V (Typ.) | 22 | GND | GROUND |
| 3 | VDD | Power supply VDDIN=3.3V (Typ.) | 23 | NC | Non Connection |
| 4 | NC | Non Connection | 24 | NC | Non Connection |
| 5 | NC | Non Connection | 25 | GND | GROUND |
| 6 | NC | Non Connection | 26 | NC | Non Connection |
| 7 | NC | Non Connection | 27 | NC | Non Connection |
| 8 | RIN0- | LVDS Negative data signal (-) | 28 | GND | GROUND |
| 9 | RIN0+ | LVDS Positive data signal (+) | 29 | NC | Non Connection |
| 10 | GND | GROUND | 30 | NC | Non Connection |
| 11 | RIN1- | LVDS Negative data signal (-) | 31 | LED- | LED Cathode |
| 12 | RIN1+ | LVDS Positive data signal (+) | 32 | LED- | LED Cathode |
| 13 | GND | GROUND | 33 | LED- | LED Cathode |
| 14 | RIN2- | LVDS Negative data signal (-) | 34 | NC | Non Connection |
| 15 | RIN2+ | LVDS Positive data signal (+) | 35 | LED_PWM | Backlight PWM |
| 16 | GND | GROUND | 36 | LED_EN | Backlight Enable Signal |
| 17 | LVDS_CLK- | LVDS Negative CLK signal (-) | 37 | NC | Non Connection |
| 18 | LVDS_CLK+ | LVDS Positive CLK signal (+) | 38 | LED+ | LED Anode |
| 19 | GND | GROUND | 39 | LED+ | LED Anode |
Note: Pin 40 is not listed in the available pin table. Please refer to the full product specification for the complete pin description.
3.4 Optical Specifications (Typical Values)
Optical characteristics are measured at the center of the active area with typical current configuration and Ta=25°C.
| Item | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Viewing Angle (All) | Θ3, Θ9, Θ12, Θ6 | CR > 10 | -- | 80 | -- | Deg. |
| Contrast Ratio | CR | Θ = 0° | -- | 1000 | -- | -- |
| Color Gamut | -- | -- | -- | 50% NTSC | -- | -- |
| Transmittance | Trans. | With BOE BLU | 5.1% | 6% | -- | % |
| Response Time (Tr+Tf) | TRT | Ta=25°C, Θ = 0° | -- | 35 | 40 | ms |
| Cross Talk | CT | Θ = 0° | -- | -- | 2.0 | % |
4. Application Guidelines & Critical Notes
When integrating the LSC101I39-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 single supply rail of VDD = 3.3V (Typ). The ripple must be kept below 300mV. The LCD power consumption (PLCD) is typically 0.6W. The inrush current can be up to 3.0A, so the power supply design must account for this momentary surge. The power sequence (T1 through T7) must be strictly followed to prevent damage. Note that the backlight is powered by an external LED driver through the VLED, LED_EN, and LED_PWM pins, which require a separate timing sequence.
- LVDS Interface: This is a standard LVDS interface with 4 data pairs and 1 clock pair. The SN65LVDT100 or compatible transmitter can be used. The PCB layout for the LVDS differential pairs must be designed with controlled impedance (100-ohm differential) and matched trace lengths.
- Backlight Driver (External): The module's backlight is a 5串8并 configuration (40 LEDs total). An external constant current LED driver must be used to provide 160mA total current at a forward voltage of 15-16V. The driver's input voltage (VLED) should be in the range of 5V to 12V. The driver must support PWM dimming via the LED_PWM pin (at frequencies typically from 200Hz to 2kHz) and on/off control via the LED_EN pin.
- Capacitive Touch Panel (CTP): The module includes an integrated capacitive touch panel. The CTP interface details (I2C, USB, etc.) should be confirmed from the full specification. The mechanical notes warn that the TP edge must not contact metal conductors.
- Mechanical Integration: The specification provides critical mechanical notes. The enclosure's viewing area should be designed to be 0.3mm smaller than the VA area per side to avoid edge defects. The housing foam should be 0.6mm larger than the VA area per side to provide cushioning. The tolerance for glass edges is ±0.2mm. These guidelines ensure the display is properly aligned and protected.
- Handling Precautions: The panel is made of glass and can break if dropped. CMOS LSI is used, so static electricity precautions must be taken. The polarizer is susceptible to scratches. Do not operate the module when condensation forms inside.
- RoHS Compliance: This module is compliant with the RoHS Directive.
5. Conclusion & Design-In Support
The LSC101I39-L-V1 from Lesson Smart Display Technology is a versatile and robust 10.1-inch WXGA TFT-LCD module. Its standard LVDS interface, wide operating temperature range, integrated CTP, and external backlight driver support make it an excellent choice for a wide variety of industrial control panels, medical devices, and embedded multimedia systems that require reliable performance across diverse environments.
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, the mechanical outline drawing, and the CTP specification.
- Design the power supply to provide a stable 3.3V rail (with low ripple and high inrush capability) for the LCD logic and a constant current backlight driver with PWM capability (160mA at 15-16V).
- Utilize the mechanical drawing's specific guidelines for enclosure design to ensure a correct fit for the display and touch panel.
- Contact the manufacturer for evaluation kits, sample requests, and technical support during the design-in phase.
This module is engineered to deliver consistent, reliable, and visually clear display performance for demanding industrial and commercial applications.
