LS101I37-MP-V1: 10.1-Inch Color TFT LCD Module, FHD Resolution (1200×1920), MIPI Interface, High Brightness 350 cd/m², IPS Technology
Product Subtitle / Keywords
10.1 Inch Display, 1200(RGB)×1920 FHD Resolution, Color Active Matrix TFT LCD, Amorphous Silicon TFT, COG+FPC+B/L Module Type, 16.7M Colors, Normally Black Display Mode, ALL O'Clock Viewing Direction (IPS), RGB Vertical Stripe Format, Luminance 350 cd/m² (TYP), White LED Backlight, 8LED Serial & 4LED Parallel Configuration, IF=160mA, VF=22.5~26.4V, LED Life Time 30,000 Hrs, Operating Temp -10~50°C, Storage Temp -20~60°C, MIPI Interface, Lesson Smart Display Technology Co., Ltd
1. Executive Summary & Product Positioning
The LS101I37-MP-V1, developed by Lesson Smart Display Technology Co., Ltd. (立信(万安)智显科技有限公司), is a color active matrix TFT LCD module using amorphous silicon TFT's (Thin Film Transistors) as active switching devices. This module has a 10.1 inch diagonally measured active area with FHD resolutions (1200 horizontal by 1920 vertical pixel array). Each pixel is divided into RED, GREEN, BLUE dots which are arranged in vertical stripe and this module can display 16.7M colors.
This product specification (Revision 1.0, dated 2022-02-21) serves as the definitive technical document, defining the module's general description, general specifications (including a 10.1 inch diagonal FHD display with 1200×1920 resolution), block diagram (MIPI signal input to Driver IC), interface definition (40-pin MIPI connector with detailed pin assignments), absolute maximum ratings and electrical characteristics, back-light unit characteristics (LED: 8 Serial & 4 Parallel, IF=160mA, VF=22.5~26.4V), timing parameters for MIPI receiver (both High Speed and Low Power modes), and operating precautions.
The document provides the core parameters necessary for system integration into standard 10.1-inch tablet and high-resolution display applications. The unequivocal recommendation for engineers is to strictly adhere to the electrical specifications (especially the power supply voltage VCC=3.3V, and the backlight driving conditions), the MIPI interface timing, and the mechanical tolerances described herein to ensure reliable performance and compatibility.
2. Detailed Product Overview & Architecture
- Core Technology: Color active matrix TFT LCD module using amorphous silicon TFT's (Thin Film Transistors) as an active switching devices.
- Display Resolution: FHD: 1200 horizontal × 1920 vertical pixel array.
- Pixel Structure: Each pixel is divided into RED, GREEN, BLUE dots which are arranged in vertical stripe. This module can display 16.7M colors.
- Module Construction: COG+FPC+B/L (Chip-On-Glass + Flexible Printed Circuit + Backlight).
- Viewing Direction: ALL O'Clock (indicating an IPS-like, full-viewing-angle panel).
- Interface Type: MIPI (Mobile Industry Processor Interface) Differential Interface.
- Backlight Type: White LED backlight with an 8 Serial & 4 Parallel configuration (32 LEDs total).
3. Exhaustive Technical Specifications
3.1 Mechanical & Physical Specifications
| Parameter | Specification | Unit |
|---|---|---|
| Module Model | LS101I37-MP-V1 | - |
| LCD Size (Diagonal) | 10.1 | inch |
| Number of Dots | 1200(RGB) × 1920 (FHD) | Pixels |
| Active Area (H×V) | 135.36 × 216.576 (Approx., from block diagram pattern) | mm |
| Pixel Pitch | 112.8(H) × 112.8(V) | um |
| Display Colors | 16.7M | - |
| Display Mode | Normally Black (Implied by TFT-LCD spec) | - |
| Viewing Direction | ALL O'Clock | - |
| Display Format | RGB vertical stripe | - |
| Luminance (TYP) | 350 | cd/m² (nit) |
| Backlight Type | White LED (8 Serial & 4 Parallel = 32 LEDs) | - |
| Backlight Current (IF) | 160 (Typ) | mA |
| Backlight Voltage (VF) | 22.5 ~ 26.4 (Typ) | V |
| LED Life Time | 30,000 (Typ, to 50% brightness) | Hrs |
| Operating Temperature | -10 ~ +50 | °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 Revision / Date | Revision 1.0 / 2022-02-21 | - |
3.2 Electrical & Interface Specifications
3.2.1 Absolute Maximum Ratings
| Item | Symbol | Min. | Max. | Unit |
|---|---|---|---|---|
| Power Voltage | VCC | -0.3 | 3.6 | V |
| Operation Temperature | TOP | -10 | 50 | °C |
| Storage Temperature | TST | -20 | 60 | °C |
3.2.2 Electrical Characteristics
| Characteristics | Symbol | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| Supply Voltage (DC/DC) | VDD | 2.5 | 3.3 | 3.6 | V |
Note: The supply voltage for the I/O (VDDIO) and other specific current consumption values (IDD, IDD-SLEEP) are marked as TBD in the specification. Refer to the full spec document for final values.
3.2.3 Interface Pin Assignment (40-Pin MIPI Connector)
The module uses a 40-pin MIPI connector. Key signals from the specification include:
| Pin No. | Symbol | Function |
|---|---|---|
| 1 | NC | No connect |
| 2, 3 | VCC | Power supply 3.3V |
| 4 | GND | Ground |
| 5 | RST(GRB) | LCM Global reset |
| 6 | NC | No connect |
| 7, 10, 13, 16 | GND | Ground |
| 8, 9 | D0- / D0+ | MIPI differential data input (Lane 0) |
| 11, 12 | D1- / D1+ | MIPI differential data input (Lane 1) |
| 14, 15 | CLK- / CLK+ | MIPI differential clock input |
| 17 | D2- | MIPI differential data input (Lane 2, Negative) |
| ... (additional pins) | ... | ... (Refer to the full spec for the complete 40-pin definition. The spec also shows connections for MIPI_D3P/N, LEDA, LEDK, VDD, GND, etc.) |
Note: The above table lists only the key pins from the beginning of the pinout list in the specification. The complete 40-pin assignment includes additional MIPI data lanes (D2, D3), backlight power (LEDA/K), and other control signals.
3.2.4 Back-Light Unit Characteristics
The back-light system is an edge-lighting type with white LEDs (8 Serial & 4 Parallel = 32 LEDs).
| Characteristics | Symbol | Min. | Type | Max. | Unit |
|---|---|---|---|---|---|
| Forward Voltage | VF | 22.5 | -- | 26.4 | V |
| Forward current | IF | -- | 160 | -- | mA |
| Luminance (With LCD) | Lv | 300 | 350 | -- | cd/m2 |
| LED life time | N/A | ---- | 30,000 | -- | Hr |
3.2.5 Timing Parameters (MIPI Receiver)
The specification defines the timing parameters for the MIPI interface, including both High Speed and Low Power modes.
| Parameter | Symbol | Min. | Typ | Max. | Unit |
|---|---|---|---|---|---|
| MIPI digital operation current | IVCCIF | 14 | 15 | 16 | mA |
| MIPI digital stand-by current | IVCCIFST | - | 200 | - | uA |
MIPI Characteristics for High Speed Receiver
| Parameter | Symbol | Min. | Max. | Unit |
|---|---|---|---|---|
| Single-ended input low voltage | VILHS | -40 | - | mV |
| Single-ended input high voltage | VIHHS | - | 460 | mV |
| Common-mode voltage | VCMRXDC | 155 | 330 | mV |
| Differential input impedance | ZID | 80 | 125 | K |
| HS transmit differential voltage | VOD | 85 | 250 | mV |
MIPI Characteristics for Low Power Receiver
| Parameter | Symbol | Min. | Max. | Unit |
|---|---|---|---|---|
| Pad signal voltage range | VI | -50 | 1350 | mV |
| Ground shift | VGNDSH | -50 | 50 | mV |
| Output low level | VOL | -150 | 150 | mV |
3.3 Operating Precautions
The specification provides several operating precautions for the user:
- Spike Noise: The spike noise can cause mis-operation of circuits. It should be lower than the following voltage: V = ± 200mV (Over and under shoot voltage).
- Response Time vs. Temperature: Response time depends on the temperature. (In lower temperature, it becomes longer.)
- Brightness vs. Temperature: Brightness depends on the temperature. (In lower temperature, it becomes lower.) And in lower temperature, the response time (the required time that brightness is stable after turned on) becomes longer.
4. Application Guidelines & Critical Notes
Intended Use
- Standard 10.1-inch tablet and high-resolution display applications.
- Applications requiring an FHD (1200×1920) resolution display with a MIPI interface.
- Systems where a high-quality, full-viewing-angle display (ALL O'Clock) is needed.
Critical Design Considerations
- FHD Resolution (1200×1920) with MIPI Interface: The module uses a high-resolution FHD panel with a standard MIPI DSI interface. The host processor must be configured for 1200×1920 resolution and the correct number of MIPI data lanes (the spec shows four lanes: D0, D1, D2, D3).
- Power Supply (VCC = 3.3V): The module requires a stable 3.3V power supply (VCC) with an operating range of 2.5V to 3.6V (per electrical characteristics). The MIPI digital operation current is typically 15mA, with a stand-by current of 200µA.
- High Backlight Forward Voltage (22.5V to 26.4V): The backlight uses an 8 Serial & 4 Parallel LED configuration, requiring a high forward voltage of 22.5V to 26.4V (Typ). The total forward current is 160mA. A dedicated boost-type constant current LED driver capable of generating up to ~26.4V from the system's lower voltage rail is essential.
- External Backlight Driver Required: The module provides direct access to the LED strings via LEDA (Anode) and LEDK (Cathode) pins (as shown in the block diagram and pin assignment). An external constant-current LED driver IC is required.
- Luminance (350 cd/m² Typ): The typical luminance of 350 cd/m² is suitable for standard indoor use. An external, well-designed backlight driver is needed to achieve this level.
- LED Lifetime (30,000 Hrs): The LED life time is specified as 30,000 hours (Typ) at IF=160mA and Ta=25°C until brightness decreases to 50%. Constant current driving is strongly recommended.
- ALL O'Clock Viewing Direction: The display offers a full, all-around viewing angle, making it suitable for applications where the screen is viewed from any direction.
- Operating Temperature Range: The module supports a standard commercial temperature range: -10°C to +50°C (operating) and -20°C to +60°C (storage).
- Spike Noise Limit: The spike noise (overshoot/undershoot) on signals must be kept below ±200mV to prevent circuit mis-operation.
- Temperature Impact on Performance: At lower temperatures, response time will increase, and brightness will decrease. This must be accounted for if the display is used in cold environments.
Handling & Compliance
- Observe standard ESD precautions during handling and assembly.
- The module contains fragile glass and a precision 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 to avoid interference.
- If the logic circuit power is off, do not apply the input signals to avoid latch-up.
5. Conclusion & Design-In Support
The LS101I37-MP-V1 specification details a high-resolution, 10.1-inch FHD (1200×1920) TFT LCD module with a MIPI interface, an ALL O'Clock viewing direction, and a 32-LED backlight (8S4P) requiring a high-voltage external driver — an excellent choice for premium tablets and high-resolution embedded display applications.
Key Strengths
- FHD (1200×1920) Resolution: High pixel density for sharp, detailed images.
- ALL O'Clock Viewing Direction (IPS): Provides wide, consistent viewing angles from any direction.
- Standard 4-Lane MIPI Interface: Widely supported by modern mobile and embedded processors.
- High-Quality Backlight: 350 cd/m² typical luminance with a 30,000 hour LED lifetime.
- Detailed MIPI Timing Specifications: Well-defined receiver characteristics for High Speed and Low Power modes.
Main Design Focus
- The critical design tasks are configuring the host's MIPI DSI transmitter for a 4-lane, 1200×1920 display at 60Hz, and designing a boost-type external constant-current LED backlight driver capable of supplying 160mA at up to 26.4V (to power the 8S4P LED array).
- Supporting requirements: Provide a stable 3.3V supply for VCC. Ensure signal integrity with spike noise below ±200mV. Follow the MIPI receiver voltage and impedance specifications (ZID = 80 to 125 K).
This module is a premium choice for engineers requiring a high-resolution, full-viewing-angle 10.1-inch display with a standard MIPI interface for high-end tablets and embedded systems.
