LS101I22-MP-V1: 10.1-Inch TFT-LCD Module, WXGA Resolution (800×1280), 4-Lane MIPI Interface, Low Power Consumption
Product Subtitle / Keywords
10.1 Inch Display, 800×1280 WXGA Resolution, Color Active Matrix TFT-LCD, Amorphous Silicon TFT, 4-Lane MIPI Interface, Low Driving Voltage & Low Power Consumption, ROHS Compliant, Display Mode Normally Black, Driver IC (Refer to IC spec), LED Backlight with 32 LEDs (8x4 configuration), IL=80mA (Typ), LED Life Time 30,000 Hrs (Typ), Operating Temp -10°C~+60°C, Storage Temp -20°C~+60°C, Lesson Smart Display Technology Co., Ltd
1. Executive Summary & Product Positioning
The LS101I22-MP-V1, developed by Lesson Smart Display Technology Co., Ltd. (立信(万安)智显科技有限公司), is a 10.1-inch color active matrix thin film transistor (TFT) liquid crystal display (LCD) module that uses amorphous silicon TFT as a switching device. This model is composed of a TFT LCD panel, a driving circuit and a back light system.
This product specification (Preliminary / Final Specification, dated 2021-09-20) serves as the definitive technical document, defining its general description (including a 10.1 inch diagonal WXGA display with 800 x 1280 pixel resolution), features (4-lane MIPI interface, low driving voltage, low power consumption, ROHS compliance), interface signal definitions (40-pin MIPI connector), DC characteristics, AC characteristics, optical characteristics, backlight specifications, and dimensional outline.
The document provides the core parameters necessary for system integration into standard 10.1-inch tablet, mini-PC, and embedded display applications. The unequivocal recommendation for engineers is to strictly adhere to the electrical specifications (especially the interface voltages and backlight driving conditions), MIPI interface timing, and mechanical tolerances described herein to ensure reliable performance and compatibility.
2. Detailed Product Overview & Architecture
- Core Technology: Color active matrix thin film transistor (TFT) liquid crystal display (LCD) using amorphous silicon TFT as switching device.
- Display Resolution: WXGA: 800 horizontal × 1280 vertical pixel array.
- Display Type: TFT-LCD panel with a TFT LCD panel, a driving circuit and a back light system.
- Key Features:
- Interface: 4 Lanes MIPI Interface.
- Power: Low driving voltage and low power consumption.
- Compliance: ROHS Compliant.
- Target Application: Tablet & Mini-PC applications.
- Backlight: White LED backlight with a 8 x 4 = 32 LED configuration.
- Driver IC: Refer to section 9.0 "Driver IC code" of the specification for the specific driver IC used.
3. Exhaustive Technical Specifications
3.1 Mechanical & Physical Specifications
| Parameter | Specification | Unit |
|---|---|---|
| Module Model | LS101I22-MP-V1 | - |
| LCD Size (Diagonal) | 10.1 | inch |
| Resolution | 800 × 1280 (WXGA) | Pixels |
| Display Type | Color Active Matrix TFT-LCD (a-Si) | - |
| Module Construction | TFT LCD Panel + Driving Circuit + Back Light System | - |
| Interface Type | 4-Lane MIPI Interface | - |
| Display Mode | Normally Black (Implied by TFT-LCD spec) | - |
| Backlight Type | White LED (32 LEDs, 8 x 4 Configuration) | - |
| Backlight Current (IL) | 80 (Typ) | mA |
| Backlight Life Time | 30,000 (Typ, to 50% brightness) | Hrs |
| Operating Temperature | -10 ~ +60 | °C |
| Storage Temperature | -20 ~ +60 | °C |
| Supplier | 立信(万安)智显科技有限公司 (Lesson Smart Display Technology Co.,Ltd) | - |
| Document Type / Date | Specification (Preliminary / Final) / 2021-09-20 | - |
3.2 Electrical & Interface Specifications
3.2.1 Signal of Interface (40-Pin Connector)
The module uses a 40-pin connector for the MIPI interface and power supply. Key pins include:
| Terminal No. | Symbol | I/O | Functions |
|---|---|---|---|
| 1, 2, 3 | LEDA | P | Power for LED backlight (Anode) |
| 4 | NC | N | No connection |
| 5, 6, 7 | LEDK | P | Power for LED backlight input (cathode) |
| 8,9 | LEDA/1? (from drawing) | P | Power for LED backlight (Anode) |
| 10-17 | GND / MIPI Signals | I/O/P | MIPI Lane/Clock pairs and GND. |
| 18-20 | MIPI Signals / GND | I/P | MIPI Data Lane / GND |
| 21-24 | GND / MIPI Signals | I/P | MIPI Clock / GND |
| 25-28 | MIPI Signals / GND | I/P | MIPI Data Lane / GND |
| 29-32 | GND / MIPI Signals | I/P | MIPI Data Lane / GND |
| 33-40 | GND / MIPI Signals | I/P | MIPI Data Lane / GND |
Note: The knowledge base provides an image of the connector pinout. The exact MIPI lane mapping (e.g., MIPI-0P/N, MIPI-1P/N, MIPI-CLK P/N) is clearly labeled on the connector diagram. For the complete 40-pin definition, please refer to the full specification document.
3.2.2 DC Characteristics
Absolute Maximum Rating (GND=AGND=0V)
| Parameter | Symbol | Min. | Max. | Unit |
|---|---|---|---|---|
| Interface Supply Voltage | IOVCC | -0.3 | +3.6 | V |
| Logic Supply Voltage | VCI | -0.3 | +6.6 | V |
| Analog Supply Voltage | VCIP | -0.3 | +6.6 | V |
| High Speed Interface Supply Voltage | VCCH | -0.3 | +6.6 | V |
| Positive Voltage input | AVDD | -0.3 | AVDD+0.5 | V |
| Negative Voltage input | AVEE | 0 | -6.6 | V |
| Power Supply Voltage | VGH | -0.3 | +25 | V |
| Power Supply Voltage | VGL | 0 | -16 | V |
DC Electrical Characteristics (Operating)
| Item | Symbol | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| Interface Supply Voltage | IOVCC | 1.65 | - | 3.6 | V |
| Logic Supply Voltage | VCI | 2.5 | - | 6.0 | V |
| Analog Supply Voltage | VCIP | 2.5 | - | 6.0 | V |
| High Speed Interface Supply Voltage | VCCH | 1.65 | - | 3.6 | V |
| Input High Voltage | VIH | 0.7 IOVCC | - | IOVCC | V |
| Input Low Voltage | VIL | 0 | - | 0.3 IOVCC | V |
| VPP | VIH / VIL | - | 7.5 | - | V |
3.2.3 Backlight Specifications (LED Circuit: 8 x 4 = 32 LEDs)
| Parameter | Symbol | Condition | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|---|
| LED Current (per module) | IL | Ta=25±3°C | - | 80 | - | mA |
| LED Life Time | - | IL=80mA, Ta=25°C | - | 30,000 | - | Hrs |
Note: LED life time defined as time until brightness decreases to 50% original. Operating IL larger than 80mA will decrease LED lifetime. Constant current driving is suggested.
3.2.4 MIPI DSI Timing (Vertical Parameters)
| Item | Symbol | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| Vertical Low Pulse Width | VS | 2 | 4 | 200 | Line |
| Vertical Front Porch | VFP | 4 | 30 | 200 | Line |
| Vertical Back Porch | VBP | 2 | 8 | 200 | Line |
| Vertical Active Area | - | -- | 1280 | -- | Line |
| Vertical Refresh Rate | VRR | -- | 60 | -- | Hz |
3.3 Dimensional Outline
The specification includes a detailed dimensional outline drawing. Key mechanical details extracted from the drawing include:
- Module Outline Dimensions: The drawing shows a detailed layout with specific dimensions for the front bezel, active area, and FPC exit point.
- Tolerance: General tolerances of ±0.20mm and ±0.1mm are specified for many dimensions.
- Connector Pinout: The drawing includes a detailed pin assignment table for the 40-pin connector, confirming the MIPI lane mapping and power connections.
- Backlight Connections: Terminals 1-7 for LEDA/LEDK are visibly located on the FPC.
- Driver IC: The driver IC area is marked on the drawing. Refer to section 9.0 for the specific driver IC code.
4. Application Guidelines & Critical Notes
Intended Use
- Standard 10.1-inch tablet and mini-PC applications.
- Embedded display applications requiring a WXGA (800×1280) resolution with a 4-lane MIPI interface.
- Portable devices where low power consumption is a priority.
Critical Design Considerations
- MIPI DSI Interface: The module uses a 4-lane MIPI DSI interface. The host processor must correctly configure the MIPI D-PHY transmitter for 4 lanes, with appropriate lane mapping to match the connector pin assignment in the specification drawing.
- Multiple Supply Voltages: The module requires multiple power rails: IOVCC (1.65V-3.6V), VCI (2.5V-6.0V), VCIP (2.5V-6.0V), and VCCH (1.65V-3.6V). A multi-output PMIC is typically required.
- LED Backlight Driving: The backlight uses a 32-LED configuration (8x4) requiring a constant current of 80mA total. The LED operating voltage depends on the string configuration. Using higher current than 80mA will decrease the LED lifetime (defined to 50% brightness). A constant current LED driver is strongly recommended.
- LED Lifetime: The LED lifetime is specified as 30,000 hours (Typ) at Ta=25°C and IL=80mA until brightness decreases to 50%. This is a typical value for standard backlights.
- Absolute Maximum Ratings: Adhere strictly to the absolute maximum ratings in section 6.3.1. Exceeding these values can permanently damage the module. Pay special attention to the VGH (+25V Max) and VGL (-16V Max) absolute limits.
- Power Sequencing: Ensure IOVCC and VSSD are maintained. Follow the recommended voltage relationships (e.g., IOVCC ≥ VSSD, VCIP ≥ AVSS, VCI ≥ AVSS, VCCH ≥ VSSH, AVDD ≥ AVSS, AVSS ≥ AVEE, VGH ≥ AVSS, AVSS ≥ VGL, and VGH+|VGL|<30V).
- Operating Temperature: The operating temperature range is -10°C to +60°C, which is a standard commercial/industrial range. The storage temperature is -20°C to +60°C.
- Driver IC Code: The specification refers to section 9.0 for the specific driver IC code used. Designers should consult this section for interface initialization commands and timing details.
Handling & Compliance
- The module is ROHS Compliant.
- Observe standard ESD precautions during handling and assembly.
- The module contains fragile glass and a flexible FPC – handle with care to avoid damage.
- Avoid bending the FPC sharply, especially near the connection point to the LCD glass.
- Do not attempt to disassemble or process the LCD Module.
- All NC (No Connection) terminals should be left open.
- If the logic circuit power is off, do not apply the input signals.
5. Conclusion & Design-In Support
The LS101I22-MP-V1 specification details a standard 10.1-inch WXGA (800×1280) TFT-LCD module with a 4-lane MIPI interface, low voltage operation, and a 32-LED backlight — a solid choice for high-volume tablet and portable display applications.
Key Strengths
- Standard 4-Lane MIPI Interface: Widely supported by mobile and embedded processors.
- Low Power Consumption: Designed for low driving voltage and low power, suitable for battery-operated devices.
- Proven 10.1-inch Form Factor: A common size for tablets and mini-PCs.
- WXGA Resolution (800×1280): Standard resolution for this class of display.
- ROHS Compliant: Meets environmental compliance standards.
Main Design Focus
- The critical design task is correctly configuring the host's MIPI DSI transmitter for a 4-lane, 800×1280 display at a 60Hz refresh rate.
- Supporting requirements: Design a multi-rail power supply (IOVCC, VCI, VCIP, VCCH) and a constant current backlight driver rated for 80mA. Adhere to the pin assignment in the connector diagram for correct lane and signal routing.
This module is an excellent choice for engineers looking for a standard, low-power 10.1-inch display with a popular MIPI interface for mobile and embedded products.
