LESSON 10.25-Inch TFT-LCD Display Module Series: Complete Technical Specifications

Publication Date: March 6, 2026
Keywords: 10.25 inch LCD, LS1025I01-L-V1, FHD, 1920x720, Ultra-Wide, 2 Port LVDS, Automotive Display, Center Console, RoHS, Halogen Free

1. Series Overview & Core Positioning

The LESSON 10.25-inch series, as represented by the LS1025I01-L-V1 model, is a highly specialized product designed for a specific and demanding market segment. It features an ultra-wide aspect ratio (approximately 2.67:1) with Full HD horizontal resolution (1920 pixels) but a reduced vertical resolution (720 pixels). This form factor is not a general-purpose display; it is engineered primarily for modern automotive digital cockpits, specifically for center console/infotainment screens and digital instrument clusters that adopt a panoramic, widescreen layout. The module embodies the convergence of high resolution, automotive-grade reliability, and a modern digital interface.

Core Technical Identity:

• Screen Size: 10.25 inches (diagonal)
• Display Type: Transmissive a-Si TFT-LCD
• Aspect Ratio: ~2.67:1 (Ultra-Wide)
• Resolution: FHD (1920 horizontal x 720 vertical pixel array)
• Target Applications: Automotive center display, digital instrument cluster, specialty industrial control with wide layout.

2. In-Depth Model Analysis: LS1025I01-L-V1

This model is the flagship and primary representative of the 10.25-inch category. The provided document is its detailed product specification.

2.1 General Description & Features

Block Diagram & Signal Flow (from snippet):
The module's internal structure includes:

• Gate Driver & Source Driver: For driving the TFT array.
• LVDS Input: Receives differential signals.
• Power Domains: VDD (logic), VSP/VSND (source driver?), DCDC (converter), VGH/VGL (gate driver voltages), VLED (backlight).
• Backlight System: LED Light Bar controlled via a BL Connector.
• Data Mapping: The 1920 horizontal pixels are driven by source drivers, while the 720 vertical lines equate to 2160 gate lines (720 * 3 RGB sub-pixels? Or 720 * 3 for R,G,B separate gates in some architectures).

2.2 General Specifications & Connector Details

The document references a connector specification for a related model (PV103CS01-1), which provides insight into the backlight and thermal management interface:

Analysis of Connector:

1. Backlight Drive: Uses 4 LED anode channels and 4 LED cathode channels. This suggests a backlight system with multiple LED strings that can be driven independently or in parallel for current balancing and brightness uniformity.
2. Thermal Monitoring: Includes pins for an NTC (Negative Temperature Coefficient) thermistor (NTC_A and NTC_K). This is a critical automotive feature allowing the host system to monitor the display's temperature and implement thermal derating or protection for the LEDs, ensuring longevity and safety.

2.3 Mechanical & Revision Information

A snippet of a mechanical drawing revision record indicates:

• Product Model: 10.25L0M (likely an internal code for the 10.25" module).
• Drawn/Checked Date: 2024.04.29, suggesting ongoing engineering activity.
• Revision Purpose: "Set up for sample" indicates this was a pre-production or sampling configuration.

This confirms the product is in an active development/sampling phase as of mid-2024, targeting newer automotive platforms.

3. Technical Deep Dive & Automotive Relevance

3.1 Why 1920x720? The Automotive Rationale

• Dashboard Real Estate: Modern car dashboards are wide but not tall. A 1920x720 display maximizes the screen width for splitting the view (e.g., navigation on left, media on right) while keeping the height low to avoid obstructing the driver's view of the road.
• UI Design: Ideal for horizontal menu layouts, wide map views, and side-by-side application windows.
• Pixel Density: With a ~10.25" diagonal and 1920 pixels horizontally, it offers a good balance of sharpness and cost. It is less pixel-dense than a tablet but perfectly adequate for viewing at arm's length in a car.

3.2 Dual-Port LVDS Interface

• Bandwidth: A single LVDS port might be strained at the pixel clock required for 1920x720 @ 60Hz. Using 2 ports distributes the load, improves reliability, and reduces EMI per channel.
• Robustness: LVDS is inherently resistant to noise, which is crucial in the electrically noisy automotive environment.
• Standardization: LVDS is a widely supported output from automotive-grade system-on-chips (SoCs) and telematics units.

3.3 Automotive-Grade Features

1. Halogen-Free & RoHS: Mandatory for compliance with global automotive environmental directives (e.g., ELV, REACH).
2. NTC Thermistor: Enables intelligent thermal management of the backlight, a key requirement for automotive reliability across extreme temperature ranges (-40°C to +85°C cabin environments).
3. Wide Operating Temperature: While not explicitly stated in the snippet, a module of this type would typically specify an operating range of at least -30°C to +85°C.
4. High Reliability: The document mentions covering "reliability tests," which for automotive would include extended thermal cycling, vibration, humidity, and long-term lifespan testing.

4. Application Scenarios

1. Automotive Center Stack Infotainment Display (Primary Use Case):

• Integration: Replaces or upgrades the central screen in the dashboard. The ultra-wide format is perfect for BMW, Mercedes, Audi, and many newer Tesla-style layouts.
• Function: Runs the head unit UI, displaying navigation, media, climate control, phone, and vehicle settings.

2. Digital Instrument Cluster (Driver's Display):

• Integration: Placed directly behind the steering wheel. The width allows for a customizable layout showing speed, RPM, navigation, ADAS alerts, and media info simultaneously in a panoramic view.
• Requirement: Would need to support a higher brightness (e.g., >1000 nit) for sunlight readability, which may be a variant of this model.

3. Passenger Entertainment Display:

• Integration: Mounted on the back of front seats or in the ceiling for rear passengers.
• Function: While 16:9 is more common for video, this wide format can be used for split-screen entertainment (two different video streams or one video + game controls).

4. Specialty Industrial/Marine Control Panel:

• Integration: In boats, agricultural machinery, or industrial control rooms where a wide, panoramic view of multiple data sources is beneficial.
• Requirement: Would benefit from the LVDS reliability and potential wide-temperature operation.

5. Integration Notes & Critical Considerations

1. Host System Requirements:

• Graphics Source: Must have an LVDS transmitter capable of driving a dual-port configuration with a timing format of 1920x720.
• Power Supply: Requires multiple regulated voltage rails (e.g., 3.3V, 5V, 12V, and +/- gate drive voltages like VGH=+15V, VGL=-10V). Power sequencing is critical.
• Backlight Driver: Needs an LED driver IC that can source/sink current for the 4-anode/4-cathode configuration and read the NTC for temperature feedback.

2. Mechanical Integration:

• Bezel Design: The ultra-wide aspect ratio requires a custom housing. The mechanical drawings are essential for determining mounting points, connector location, and overall dimensions.
• Optical Bonding: For automotive use, optical clear adhesive (OCA) bonding to a cover glass or touch panel is highly recommended to reduce reflections and improve durability.

3. Thermal Design:

• The backlight, especially if driven at high brightness, is the primary heat source. Adequate heat sinking and ventilation in the final assembly must be considered, guided by the NTC readings.

4. Software & Calibration:

• The host software must be configured for the non-standard 1920x720 resolution.
• Color calibration might be required to ensure consistency across multiple displays in a vehicle.

Conclusion: The LESSON LS1025I01-L-V1 is not merely a display module; it is a purpose-built automotive component that addresses the specific form factor, interface, reliability, and regulatory needs of next-generation vehicle interiors. Its existence highlights LESSON's capability to serve the stringent automotive supply chain. For engineers designing modern automotive cockpits or specialized wide-format industrial panels, this module represents a turnkey solution for a critical and visually dominant part of the user interface.

Final Disclaimer: This analysis is based on the provided specification snippet. For automotive-grade integration, it is imperative to obtain the complete, controlled specification, mechanical drawings, reliability test reports, and PPAP (Production Part Approval Process) documentation from LESSON Smart Display Technology Co., Ltd., as the requirements for automotive qualification are extensive and non-negotiable.