LS1010I07-L-V3: 10.1-Inch WXGA TFT LCD Module, 800×1280 Pixels, IPS, LVDS Interface, Built-in Backlight Driver, Wide Temperature
Product Subtitle / Keywords
10.1 Inch Display, 800 × 3(RGB) × 1280 WXGA Resolution, IPS (In-Plane Switching) Normally Black Display Mode, Transmissive a-Si TFT-LCD Module, 16.7M Display Colors, COG+FPC+B/L Module Type, LVDS Interface, 20-Pin Connector, Digital Supply Voltage VDDIN=3.3V, Backlight Configuration: 5S6P (5 Series, 6 Parallel), Backlight Forward Current IF=120mA, Backlight Forward Voltage VF=15V (Typ), Operating Temperature -20°C to +70°C, Storage Temperature -30°C to +80°C, Luminance 750 cd/m² (Typ), Lesson Smart Display Technology Co., Ltd.
1. Executive Summary & Product Positioning
The LS1010I07-L-V3, developed by Lesson Smart Display Technology Co., Ltd. (立信(万安)智显科技有限公司), is a transmissive type color active matrix liquid crystal display (LCD) which uses amorphous thin film transistor (TFT) as switching devices. This product is composed of a TFT LCD panel, driver ICs and a backlight unit.
This product specification (Revision 1.0) serves as the definitive technical document, defining the module's general description (including a 10.1-inch diagonal display with WXGA resolution 800×3(RGB)×1280), features (including panel size, number of pixels, display mode, viewing direction, interface, etc.), outline dimension, absolute maximum ratings, electrical characteristics (power supply, backlight unit, pin description), and electro-optical characteristics.
The document provides the core parameters necessary for system integration into standard 10.1-inch industrial, commercial, and embedded display applications. The unequivocal recommendation for engineers is to strictly adhere to the electrical specifications (especially the power supply voltage VDDIN=3.3V, the backlight driving conditions, and the critical power-on/off timing sequence described in the spec) described herein to ensure reliable performance and compatibility.
2. Detailed Product Overview & Architecture
- Core Technology: Transmissive type color active matrix liquid crystal display (LCD) which uses amorphous thin film transistor (TFT) as switching devices. This product is composed of a TFT LCD panel, driver ICs and a backlight unit.
- Display Resolution: WXGA: 800 × 3(RGB) × 1280 pixel array.
- Display Mode: IPS with Normally Black, providing wide viewing angles.
- Display Colors: This panel can display up to 16.7 M colors.
- Module Construction: COG+FPC+B/L (Chip-On-Glass + Flexible Printed Circuit + Backlight).
- Interface Type: LVDS (Low-Voltage Differential Signaling) interface, using differential data pairs (RXIN0 to RXIN3) and a differential clock pair (RX_CLK).
- Backlight: White LED backlight configured as 5串6拼 (5S6P) (5 Series, 6 Parallel = 30 LEDs), with a total forward voltage of 15V (Typ) and a total forward current of 120mA.
3. Exhaustive Technical Specifications
3.1 Features & Physical Specifications
| No. | Item | Specification | Unit |
|---|---|---|---|
| 1 | Panel Size | 10.1 | inch |
| 2 | Number of Pixels | 800 × 3(RGB) × 1280 | pixels |
| 3 | Active Area | 135.36(H) × 216.58(V) | mm |
| 4 | Pixel Pitch | 0.1692(H) × 0.1692(V) | mm |
| 5 | Outline Dimension | 143.1(H) × 228.55(V) × 2.50(D) | mm |
| 6 | Pixel arrangement | RGB Vertical stripe | - |
| 7 | Display Mode | IPS with Normally Black | - |
| 8 | Viewing Direction | ALL Viewing Direction | - |
| 9 | Display Color | 16.7M | - |
| 10 | Surface Treatment | Anti-Glare and Hard-coating 3H | - |
| 11 | Interface | LVDS | - |
| 12 | Backlight | White LED | - |
| 14 | Operation Temperature | -20 ~ 70 | °C |
| 15 | Storage Temperature | -30 ~ 80 | °C |
| 16 | Luminance (cd/m^2) | 750 (Typ.) | nit |
Note: The supplier is 立信(万安)智显科技有限公司 (Lesson Smart Display Technology Co., Ltd.). Drive IC information is indicated as "--" in the features table.
3.2 Interface & Electrical Specifications
3.2.1 Pin Description (20-Pin LVDS Connector)
The module uses a 20-pin FPC connector for the LVDS interface, power and backlight control. Key signals include:
| Pin No. | Symbol | I/O | Function |
|---|---|---|---|
| 1, 2 | VDDIN | P | Power supply VDDIN=3.3V |
| 3 | LED_EN | I | Backlight Enable Signal, 3.3V~5V. |
| 4, 7, 10, 13, 16 | GND | P | Ground |
| 5 | RXIN0N | I | -LVDS differential data (Lane 0) |
| 6 | RXIN0P | I | +LVDS differential data (Lane 0) |
| 8 | RXIN1N | I | -LVDS differential data (Lane 1) |
| 9 | RXIN1P | I | +LVDS differential data (Lane 1) |
| 11 | RXIN2- | I | -LVDS differential data (Lane 2) |
| 12 | RXIN2+ | I | +LVDS differential data (Lane 2) |
| 14 | RX_CLKN | I | -LVDS differential clock input |
| 15 | RX_CLKP | I | +LVDS differential clock input |
| 17 | RXIN3- | I | -LVDS differential data (Lane 3) |
| 18 | RXIN3+ | I | +LVDS differential data (Lane 3) |
| 19 | PWM | I | Backlight brightness: apply 0.7V to 1.4V DC voltage signal |
| 20 | VLED | P | Power supply VLED=5~12V(Typ.) |
Note for Pin 19 (PWM): This pin is for backlight brightness control by applying a 0.7V to 1.4V DC voltage signal.
3.2.2 Backlight Unit Characteristics
The backlight circuit is a White LED driven by an external voltage supply (VLED) and control signals (LED_EN and PWM), indicating a built-in backlight driver on the module.
| Item | Symbol | Min. | Typ. | Max. | Unit | Remark |
|---|---|---|---|---|---|---|
| Forward voltage | VF | 14.2 | 15 | 16.5 | V | IF=20mA/1-chip |
| Forward current | IF | - | 120 | - | mA | IF=20mA/1-chip |
| PWM Signal Voltage (High) | PWM_h | 2.0 | 3.3 | 3.6 | V | - |
| PWM Signal Voltage (Low) | PWM_l | 0 | - | 0.5 | V | - |
| Output PWM frequency | PWM_f | - | 200 | 1000 | Hz | - |
| LED enable Voltage (High) | EN_h | 2.6 | 3.3 | 3.6 | V | - |
| LED enable Voltage (Low) | EN_l | 0 | - | 0.4 | V | - |
Note: The module has a built-in LED driver that is powered by an external VLED (5~12V). The backlight enable and PWM dimming control signals (LED_EN and PWM) are separate. The “5串6拼” notation from the outline diagram confirms a configuration of 5 LED strings in series with 6 LEDs in parallel per string.
3.3 Electro-Optical Characteristics
The specification defines the electro-optical characteristics, including CIE1931 color chromaticity coordinates for White, Red, Green, and Blue at normal viewing angle (θ=Φ=0°).
| Item | Symbol | Condition | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|---|
| White Chromaticity (CIE1931) | Wx | θ=Φ=0° Normal viewing angle | 0.276 | 0.296 | 0.316 | - |
| White Chromaticity (CIE1931) | Wy | θ=Φ=0° Normal viewing angle | 0.302 | 0.322 | 0.342 | - |
| Red Chromaticity (CIE1931) | Rx | θ=Φ=0° Normal viewing angle | 0.601 | 0.621 | 0.641 | - |
| Red Chromaticity (CIE1931) | Ry | θ=Φ=0° Normal viewing angle | 0.294 | 0.314 | 0.334 | - |
| Green Chromaticity (CIE1931) | Gx | θ=Φ=0° Normal viewing angle | 0.252 | 0.272 | 0.292 | - |
| Green Chromaticity (CIE1931) | Gy | θ=Φ=0° Normal viewing angle | 0.560 | 0.580 | 0.600 | - |
| Blue Chromaticity (CIE1931) | Bx | θ=Φ=0° Normal viewing angle | 0.121 | 0.141 | 0.161 | - |
Luminance Uniformity (U): Defined as Lmin/Lmax. The active area is divided into 9 measuring areas, and every measuring point is placed at the center of each area.
4. Application Guidelines & Critical Notes
Intended Use
- Standard 10.1-inch industrial, commercial, and embedded display applications.
- Applications requiring a WXGA (800×1280) resolution display with a standard LVDS interface.
- Systems requiring a wide operating temperature range (-20°C to +70°C) and storage (-30°C to +80°C).
- Applications needing a high-brightness display (750 cd/m² Typ) with wide viewing angles (ALL Viewing Direction).
Critical Design Considerations
- Power Supply (VDDIN = 3.3V): The module requires a stable 3.3V power supply (VDDIN) on pins 1 and 2. The power sequence must be followed carefully to prevent damage.
- Backlight Driver Power (VLED = 5~12V): The module has a built-in LED driver that requires an external power supply on the VLED pin (Pin 20) of 5V to 12V (Typ). This power is used to boost the voltage for the LED strings.
- Backlight Enable (LED_EN) and PWM Dimming (PWM): The backlight is enabled by applying 3.3V~5V to the LED_EN pin (Pin 3). Brightness is controlled by a DC voltage signal (0.7V to 1.4V) applied to the PWM pin (Pin 19). Note this is an analog voltage control, not a standard PWM duty cycle signal.
- LVDS Interface with 4 Lanes: The module uses 4 LVDS data lanes (RXIN0 to RXIN3) plus one clock lane. The host LVDS transmitter must be configured for 4-lane, 8-bit mode at the specific timing characteristics for an 800×1280 panel.
- Timing Characteristics: The specification includes specific timing parameters for DCLK frequency (60MHz), horizontal and vertical timing (HSYNC period time: 920 DCLK, VSYNC period time: 1304 lines). These must be configured correctly in the host controller.
- Power On/Off Sequence: The specification details precise power on/off timing sequences, especially concerning the RESX line. See section 6.10 of the specification for details, which includes two cases: one where RESX is held high/unstable, requiring a hardware reset, and another where it's held low, requiring a minimum 10µs hold time.
- Surface Treatment: The display features an Anti-Glare and Hard-coating (3H) surface, which provides scratch resistance and reduces glare.
- Luminance Uniformity: Ensure the backlight is driven correctly to meet the luminance uniformity specification (U = Lmin/Lmax), as uniformity can affect display quality.
Handling & Compliance
- Observe standard ESD precautions during handling and assembly.
- The module contains fragile glass – handle with care. Avoid mechanical stress on the active area.
- Do not attempt to disassemble or modify the LCD module.
- All NC (No Connection) pins should be left open.
5. Conclusion & Design-In Support
The LS1010I07-L-V3 specification details a high-brightness, 10.1-inch WXGA (800×1280) TFT LCD module with a built-in LED driver, LVDS interface, wide operating temperature, and IPS display technology — an excellent choice for a wide variety of industrial, commercial, and embedded display applications.
Key Strengths
- High Luminance (750 cd/m² Typ): Excellent visibility even in bright environments.
- IPS Display with All-Around Viewing Direction: Superior wide viewing angles for any application.
- Built-In Backlight Driver: Simplifies system design; requires only an analog voltage for dimming (0.7V~1.4V), a simple enable signal, and a moderate VLED supply (5-12V).
- Wide Operating Temperature Range (-20°C to +70°C): Suitable for demanding industrial environments.
- Standard LVDS Interface: Easy to integrate with most embedded processors.
Main Design Focus
- The critical design tasks are providing the correct power to the built-in backlight driver (VLED = 5~12V), implementing the analog dimming control (0.7V to 1.4V DC on the PWM pin), and configuring the host's LVDS transmitter for a 4-lane, 8-bit, WXGA (800×1280) resolution display with the specified timing parameters (60MHz DCLK).
- Supporting requirements: Provide a stable 3.3V supply for VDDIN. Design a secure mechanical housing to protect the module during operation. Ensure correct power sequencing as defined in the specification.
This module is a strong choice for engineers designing systems requiring a high-brightness, wide-temperature IPS display in a standard 10.1-inch format with a simplified backlight design.
6. Key Difference from V1 Version
Based on the provided specification documents, the LS1010I07-L-V3 (V3) differs from the LS1010I07-L-V1 (V1) in the following key areas:
- Wider Operating Temperature: V3 supports -20°C to +70°C, while V1 supports -20°C to +60°C.
- Wider Storage Temperature: V3 supports -30°C to +80°C, while V1 supports -10°C to +50°C.
- Higher Brightness: V3 has a typical luminance of 750 cd/m², while V1 has a typical luminance of 300 cd/m².
- Surface Treatment: V3 explicitly lists "Anti-Glare and Hard-coating 3H" in its features table, which is not present in the V1 specification snippet.
