LS024I26-MP-V1: 2.4-inch TFT LCD Module, 240×320, MIPI Interface, 262K Colors, Transmissive IPS
Product Subtitle / Keywords
2.4 Inch Display, 240(RGB)×320 Resolution, Transmissive a-Si TFT-LCD Module, COG+FPC+B/L Module Type, MIPI Interface, 262K Colors, IPS Display Mode (ALL View), Module Size (H×V×D): 42.72 × 60.86 × 2.40 mm (Approx. from diagram), Active Area (H×V): 36.72 × 48.96 mm, Operating Temp: -20°C ~ +70°C, Storage Temp: -30°C ~ +80°C, Backlight: 4 Chip-White LED (Parallel), Vf=3.2V (Typ.), If=80mA, Module Luminance: 400 cd/m² (Typ.) / 450 cd/m² (Min.), Contrast Ratio: 1000:1 (Typ.), Viewing Angle: IPS (ALL, 80° Typ.), RoHS Compliant, GB/T 2828-2003 Inspection, Product Revision 1.0 (Initial Release)
1. Executive Summary And Product Positioning
The LS024I26-MP-V1 is a 2.4-inch diagonal transmissive type a-Si TFT-LCD (amorphous silicon thin film transistor liquid crystal display) module, manufactured by Lesson (Wanan) Smart Display Technology Co., Ltd. This comprehensive module integrates a TFT-LCD panel, a driver circuit, and a backlight unit (B/L) into a single package. The product specification (Revision 1.0) serves as the definitive technical document for this module.
This module features a resolution of 240(RGB)×320 pixels and is capable of displaying up to 262K colors. The module uses a MIPI interface.
2. Detailed Product Overview And Architecture
The LS024I26-MP-V1 is a 2.4-inch TFT display. Its architecture is built around several key elements:
- Core Technology: Transmissive type a-Si TFT-LCD. The document specifies it supports "IPS ALL VIEW" display mode.
- Module Type: COG (Chip-On-Glass) + FPC (Flexible Printed Circuit) + B/L (Backlight).
- Display Format: Graphic 240(RGB)×320 Dot-matrix.
- Display Characteristics: Capable of displaying up to 262K colors.
- Interface Type: MIPI interface.
- Backlight Unit: The module utilizes a white LED backlight comprised of 4 chips connected in parallel (背光LED灯：4并联). The document specifies a driving condition of If=80mA and Vf=3.2V (Typ.). The module luminance is 400 cd/m² (Typ.) and 450 cd/m² (Min.).
- View Direction: 12 o'clock (IPS ALL VIEW).
- Approval Status: Approved Product Specification only (Revision 1.0).
3. Technical Specifications
3.1 General & Mechanical Specification
| Parameter | Specification | Unit |
|---|---|---|
| Panel Size | 2.4'' (Diagonal) | Inch |
| Module Outline (H×V×D) | 42.72 × 60.86 × 2.40 | mm |
| Active Area (H×V) | 36.72 × 48.96 | mm |
| Drivers IC | ST7785M | |
| Number of Dots | 240(RGB) × 320 | pixels |
| Display Type | a-Si TFT Transmissive | - |
| Display Colors | 262K | colors |
| Module Type | COG+FPC+B/L | - |
| Display Mode | IPS ALL VIEW | - |
| View Direction | 12 o'clock (IPS ALL VIEW) | - |
| Interface | MIPI | - |
| Touch Panel | None | - |
| Backlight Type | White LED (4 chips in parallel) | - |
3.2 Absolute Maximum Ratings
| Item | Symbol | Min | Max | Unit | Remark |
|---|---|---|---|---|---|
| Supply voltage | VCC | -0.3 | 4.6 | V | Note1, Note2 |
| Supply voltage | IOVCC | -0.3 | 4.0 | V | Note1, Note2 |
| Operating temperature | TOPR | -20 | 70 | °C | Note1, Note2 |
| Storage temperature | TSTR | -30 | 80 | °C | Note1, Note2 |
Note1: Exceeding these values may cause permanent damage.
Note2: All voltages are referenced to GND.
3.3 Electrical Characteristics
| Item | Symbol | Min | Typ | Max | Unit | Remark |
|---|---|---|---|---|---|---|
| Supply voltage | VCC | 2.4 | 2.8 | 3.3 | V | Note1 |
| Supply voltage (I/O) | IOVCC | 1.65 | 1.8 | 3.3 | V | Note1 |
| Input Voltage (L level) | VIL | 0 | --- | 0.3*IOVCC | V | Note1 |
| Input Voltage (H level) | VIH | 0.7*IOVCC | --- | IOVCC | V | Note1 |
3.4 Backlight Driving Conditions
| Parameter | Symbol | Typ | Unit |
|---|---|---|---|
| Backlight Forward Voltage | Vf | 3.2 | V |
| Backlight Forward Current | If | 80 | mA |
Note: The document specifies a typical luminance of 400 cd/m² and a minimum luminance of 450 cd/m².
3.5 Interface Connection (FPC)
The module uses an FPC connector. The pinout extracted from the outline dimension diagram is as follows:
| PIN NO. | Symbol | Description |
|---|---|---|
| 1 | IOVCC 1.8V | I/O Power Supply |
| 2 | VCC 2.8V | Analog Power Supply |
| 3 | GND | Ground |
| 4-6 | NC | Not Connected |
| 7 | TE | Tearing Effect Output |
| 8 | GND | Ground |
| 9 | D0N | MIPI Data Lane 0 Negative |
| 10 | D0P | MIPI Data Lane 0 Positive |
| 11 | GND | Ground |
| 12 | CN | MIPI Clock Lane Negative |
| 13 | CP | MIPI Clock Lane Positive |
| 14 | GND | Ground |
| 15 | D1N | MIPI Data Lane 1 Negative |
| 16 | D1P | MIPI Data Lane 1 Positive |
| 17 | RESET | Reset Input |
| 18 | SDA | Serial Data |
| 19 | SCL | Serial Clock |
| 20 | LED+ | Backlight Anode |
| 21 | LED- | Backlight Cathode |
3.6 Optical Specifications
| Item | Condition | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| Luminance (If=20mA/LED) | - | 450 | 400 | - | cd/m² |
| Contrast Ratio | θx=θy=0° | 800 | 1000 | - | - |
| Viewing angle (CR>10) | ALL | 60 | 80 | - | Deg. |
4. Application Scenario (Based on Spec)
Based on the product specification, this module is a standard 2.4-inch QVGA TFT display suitable for general embedded applications that require a color display, such as handheld instruments and IoT devices.
5. Handling Precautions And Compliance
The specification references GB/T 2828-2003 inspection standards. The module is compliant with the RoHS directive.
