Publication Date: March 6, 2026
Keywords: 10.4 inch LCD, LS1040I02, LS1040I01, SVGA, XGA, Digital RGB, LVDS, a-Si TFT, TN, Industrial Display, Medical Monitor, Legacy System Upgrade
1. Series Overview & Core Positioning
The LESSON 10.4-inch series is a focused, specialized product line built around two classic, well-established resolutions: SVGA (800x600) and XGA (1024x768). Unlike the 10.1-inch series which targets modern mobile and high-density applications, the 10.4-inch series serves a distinct niche: industrial, medical, and legacy systems that require a robust, reliable display with standard 4:3 or near-4:3 aspect ratios, often driven by mature interface standards. These modules are workhorses designed for longevity, compatibility, and ease of integration into existing platforms.
Common Technical Specifications Across the Series:
- Screen Size: 10.4 inches (diagonal)
- Display Type: Transmissive a-Si TFT-LCD (Amorphous Silicon Thin Film Transistor)
- Aspect Ratio: ~4:3 (SVGA: 800x600 = 4:3; XGA: 1024x768 = 4:3)
- Module Construction: TFT LCD panel, polarizers, driver ICs, FPC, and PCBA (Printed Circuit Board Assembly).
- Target Applications: Industrial HMI, medical equipment, test & measurement instruments, legacy computing, and specialized commercial displays.
2. In-Depth Model Comparison & Analysis
The series is defined by two primary models, each representing one of the two core resolutions.
2.1 Model LS1040I02-R-V1: The SVGA Standard
This model is the embodiment of the classic SVGA resolution, offering a straightforward, reliable display solution.
| Parameter | Specification | Unit | Remarks / Implication |
|---|---|---|---|
| Model Number | LS1040I02-R-V1 | - | - |
| Resolution | SVGA (800 RGB x 600) | pixel | Classic 4:3 aspect ratio. |
| Active Area | 211.2 (H) x 158.4 (V) | mm | Standard dimensions for 10.4" 4:3. |
| Outline Dimension | 228.4 (H) x 175.4 (V) x 5.9 (D) | mm | Module size, relatively standard thickness. |
| Dot Pitch | 0.088 (H) x 0.264 (V) | mm | Indicates sub-pixel (R, G, or B) size. |
| Pixel Pitch | 0.264 (H) x 0.264 (V) | mm | Full pixel (RGB triad) size is square. |
| Pixel Configuration | RGB Stripe | - | Standard color filter arrangement. |
| Color Depth | 16.2M | colors | ~24-bit color (8-bit per channel). |
| LCD Type | TM TN | - | Twisted Nematic (TN) technology with specific mode. Viewing direction is specified as "6 o'clock". |
| Interface Type | Digital 24bit RGB | - | Parallel digital RGB interface (TTL level). Common for embedded systems and easy to drive with FPGAs or older graphics controllers. |
| Surface Treatment | 3H | - | Hardness rating for surface scratch resistance. |
| View Direction (Gray inversion) | 6 o'clock | - | Defines the optimal viewing angle relative to the module's orientation. |
| Weight | 379 | g | - |
Key Features of LS1040I02-R-V1:
- Legacy Interface: The Digital 24-bit RGB interface is a simple, parallel bus that is easy to implement and debug, making it ideal for custom embedded designs or upgrading older systems.
- Mature Technology: Uses TN (Twisted Nematic) LCD technology, which is cost-effective and offers fast response times, though with more limited viewing angles compared to IPS.
- Clear Specification: The "6 o'clock" viewing direction provides precise mechanical integration guidance.
- Robust Construction: The inclusion of a PCBA suggests a more self-contained module, potentially with on-board timing controller (TCON) and power regulation.
2.2 Model LS1040I01-L-V1: The XGA Performer
This model steps up to the XGA resolution, offering higher pixel density within the same physical footprint, and utilizes a more modern interface.
| Parameter | Specification | Unit | Remarks / Implication |
|---|---|---|---|
| Model Number | LS1040I01-L-V1 | - | - |
| Resolution | 1024 x 768 | pixel | XGA, 4:3 aspect ratio. |
| Active Area | 210.432 (H) x 157.824 (V) | mm | Slightly different from I02, but functionally identical. |
| Outline Dimension | 220.53 (H) x 168.02 (V) x 1.03 (D) | mm | Noticeably slimmer (1.03mm) than I02's 5.9mm, indicating a more modern, compact design. |
| Number of Dots | 1024 x RGB x 768 | dot | Equivalent to 1024x768 pixels. |
| Pixel Pitch | 0.2055 x 0.2055 | mm | Square pixels, smaller than I02's, giving higher PPI. |
| Color Arrangement | RGB Stripe | - | - |
| Color Numbers | 256K/16.7 M | - | Supports both 18-bit (262K) and 24-bit (16.7M) color depth. |
| NTSC (CIE1931) | 60 (Typ.) | % | Moderate color gamut, typical for standard industrial displays. |
| White Point | x:0.318, y:0.366 (Typ.) | - | Standard white point coordinates. |
| Response Time | ≤30 | ms | Adequate for most industrial and video applications. |
| Viewing Angle (Light On) | CR ≥ 10 @ R/L/U/D(80°/80°/80°/80°) (Typ.) | - | Wide viewing angle specification, likely using an IPS or AFFS/FFS panel technology, not TN. |
| Surface Treatment | HC | - | Hard Coating. |
| Contrast Ratio | 1000:1 (Typ) | - | Good contrast. |
| Operation Temperature | -30~85 | °C | Extremely wide operating range, suitable for harsh industrial and outdoor-adjacent environments. |
| Storage Temperature | -30~85 | °C | - |
| Interface | LVDS | - | Low-Voltage Differential Signaling. Offers better noise immunity and longer cable runs than parallel RGB, standard for modern industrial PCs. |
| Weight | 303 | g | Lighter than I02, despite similar size. |
| Panel Power Consumption | TBD | W | To be determined in final spec. |
Key Features of LS1040I01-L-V1:
- Higher Resolution: XGA (1024x768) provides 60% more pixels than SVGA, enabling sharper text and more detailed graphics.
- Modern, Robust Interface: LVDS is the de facto standard for industrial and medical displays, offering reliable data transmission.
- Superior Environmental Specs: The -30°C to 85°C operating temperature range is exceptional, making it suitable for demanding field applications.
- Slim Profile & Light Weight: The 1.03mm depth indicates a more advanced panel and backlight assembly.
- Wide Viewing Angle: The 80/80/80/80 specification with CR>10 strongly suggests the use of IPS or similar wide-view technology, a significant upgrade over the TN panel in I02.
3. Technical Comparison & Selection Guide
| Aspect | LS1040I02-R-V1 (SVGA) | LS1040I01-L-V1 (XGA) | Selection Implication |
|---|---|---|---|
| Resolution | 800 x 600 (SVGA) | 1024 x 768 (XGA) | Choose XGA for more on-screen information and sharper detail. |
| Interface | Digital 24-bit RGB (Parallel TTL) | LVDS (Serial Differential) | Choose RGB for simple FPGA/legacy MCU drive. Choose LVDS for modern SBCs/Industrial PCs. |
| Viewing Angle | 6 o'clock (TN, limited) | 80°/80°/80°/80° (Wide-view, likely IPS) | Choose I01 for multi-user or angled viewing applications. |
| Operating Temp. | Not specified in snippet (likely 0~50°C or similar) | -30°C ~ +85°C | I01 is mandatory for extreme temperature environments. |
| Module Thickness | 5.9 mm | 1.03 mm | I01 enables much slimmer end-product designs. |
| Typical Use Case | Legacy system retrofit, simple control panel, cost-sensitive HMI. | Rugged industrial panel PC, medical monitor, outdoor equipment, modern kiosk. |
Selection Guidelines:
- For Legacy System Upgrade or Simple Embedded Design: If your host system has a parallel RGB output or you are using an FPGA/MCU with a LCD controller, LS1040I02-R-V1 is the logical, easy-to-integrate choice.
- For Modern Industrial/Medical Application: If you are using a standard industrial single-board computer (SBC) with LVDS output, require wide temperature operation, wide viewing angles, and a slimmer form factor, LS1040I01-L-V1 is the superior and recommended choice.
- For Cost Optimization: The SVGA model (I02) with TN technology is likely the more cost-effective option.
- For Performance & Ruggedness: The XGA model (I01) with its wide temp range, LVDS interface, and likely IPS panel offers better overall performance and reliability for demanding applications.
4. Application Scenarios
1. Industrial Machine Control Panels (HMI):
- SVGA (I02): For simpler machines with basic status monitoring and control.
- XGA (I01): For complex machinery requiring detailed schematics, multi-trend graphs, and higher information density. Its wide temperature range is key for factory floors.
2. Medical Diagnostic Equipment:
- XGA (I01) is strongly preferred. The higher resolution is beneficial for viewing X-rays or ultrasound images. The wide viewing angle allows doctors to consult from different positions. LVDS ensures signal integrity in electrically noisy environments.
3. Test & Measurement Instruments:
- SVGA (I02): Suitable for oscilloscopes, signal generators with standard UI.
- XGA (I01): Better for advanced spectrum analyzers or logic analyzers where more waveform detail can be displayed simultaneously.
4. Legacy Computing & Point-of-Sale (POS):
- SVGA (I02): Ideal for upgrading older POS terminals or industrial PCs that originally used CRT or early LCDs with VGA/RGB input.
5. Transportation & Marine Displays:
- XGA (I01): Its wide operating temperature range makes it suitable for non-climate-controlled cabins in vehicles, boats, or aircraft for navigation or system status displays.
6. Kiosks & Digital Signage:
- XGA (I01): For indoor kiosks where slimmer design and wide viewing angles are important.
5. Integration Notes
For LS1040I02-R-V1 (Digital RGB Interface):
- Timing Controller Required: The host must generate correct HSYNC, VSYNC, DCLK, and DE (Data Enable) signals along with the 24-bit RGB data.
- Power Sequencing: Ensure proper power-up/down sequence for the LCD panel's various voltage rails (VCC, VGH, VGL, etc.) as per the full datasheet.
For LS1040I01-L-V1 (LVDS Interface):
- LVDS Transmitter Required: The host must have an LVDS transmitter (often integrated into modern CPUs or GPUs). The interface typically uses a FPD-Link standard.
- Differential Pair Routing: On the PCB, the LVDS pairs (CLK+, CLK-, DATA0+, DATA0-, etc.) must be routed as controlled-impedance differential pairs with matched lengths.
- Wide Temperature Design: When operating at temperature extremes, ensure the entire system (including backlight driver) is rated accordingly.
Conclusion: The LESSON 10.4-inch series is a classic example of a well-defined, two-pronged product strategy. It doesn't try to be everything to everyone but instead offers two optimized solutions for two distinct technological generations and application demands: the legacy-compatible, cost-effective SVGA workhorse and the modern, rugged, high-performance XGA champion. This clarity makes it easy for engineers to select the perfect display for systems that rely on the proven 4:3 aspect ratio.
Final Disclaimer: This summary is based on the provided document excerpts. For complete integration details—including absolute maximum ratings, detailed pinouts, power sequencing diagrams, mechanical drawings, and reliability data—designers must obtain and follow the official LS1040I02-R-V1 and LS1040I01-L-V1 product specification PDFs from LESSON Smart Display Technology Co., Ltd.
