The NL6448AC33-29 is a 10.4-inch TFT active matrix LCD for reliable and high-quality visual performance. It uses amorphous silicon TFT technology with a built-in driving circuit and an integrated backlight system.
With 640 × 480 resolution (VGA) and the ability to display 262,144 colors, the NL6448AC33-29 delivers clear images and accurate color reproduction. The backlight uses long-life lamps that can be replaced when needed, helping to reduce downtime in industrial environments and extend product lifetime.
This display offers high luminance and extra-wide viewing angles, it's suitable for different installation positions and environments. It also supports selectable viewing direction by changing the scan direction.
In this article, Ande Electronics provides detailed insights into NL6448AC33-29 features, specifications, applications and industrial usage guidance to help engineers make better component selection decisions.
NL6448AC33-29 Key Specs
To help engineers quickly understand the core performance of the product, this section summarizes the key technical specifications of the NL6448AC33-29. It includes essential parameters such as display size, resolution, brightness, color capability, and operating temperature range. These details make it easier to compare options and select the right solution for industrial applications.
Parameter | Value |
Brand | NLT |
Model | NL6448AC33-29 |
Size | 10.4" |
Composition | LCM |
Resolution | 640(RGB)×480, VGA 76PPI |
Luminance | 250 cd/m² (Typ.) |
Contrast Ratio | 150:1 (Typ.) (TM) |
Viewangle | 80/80/80/80 |
Color Depth | 262K 45% NTSC |
Light Source | CCFL [2 pcs] , With Inverter |
Interface Type | CMOS (1 ch, 6-bit) , 31 pins Connector |
Pixel Format | RGB Vertical Stripe |
Active Area | 215.4(W)×161.8(H) mm |
Frame Rate | 60Hz |
Touchscreen | Without |
Voltage Supply | 3.3/5.0V (Typ.)(VCC) |
Weight | 525g (Typ.) |
Outline Size | 243(W)×185.1(H)×11.2(D) mm |
Max Ratings | Operating Temperature: 0 ~ 50 °C ; Storage Temperature: -20 ~ 60 °C |
NL6448AC33-29 Structure and Functions
The NL6448AC33-29 display module consists of three main parts: a TFT LCD panel structure, driver LSIs, and a backlight unit. The panel is made by placing liquid crystal material between a TFT array substrate and a color filter substrate. This layered design allows precise control of light and color output. Once the driver LSIs are connected to the panel, the backlight is integrated to complete the module.
The module receives RGB data from the source system. The onboard signal processor converts these signals into a format suitable for active-matrix addressing. The driver LSIs then send the processed data to the individual TFT cells. Each pixel on the screen is controlled directly by these thin-film transistors to ensure accurate and stable imaging.
Each TFT cell works as an electro-optical switch. When triggered, it adjusts the amount of light passing from the backlight through the corresponding red, green, and blue sub-pixels. By controlling light transmission for each pixel, the NL6448AC33-29 produces clear and vibrant color images.
NL6448AC33-29 Features
To better understand the NL6448AC33-29, this section introduces its key features. You will see why this industrial TFT display can support long-term and stable performance in many devices.
• Ultra wide viewing angle with lateral electric field
• High luminance (250 cd/m2, typ.)
• Low reflection
• 6-bit digital RGB interface
• Data enable (DE) function
• Incorporated edge type backlight with lamps (Two lamps, with inverter)
• Lamp holder replaceable (Type No.: 104LHS31)
• Reversible scan direction
• Variable luminance control
• Easy to assemble a touch panel
• No antiglare treatment
NL6448AC33-29 Advantages
NL6448AC33-29 not only offers excellent display performance but also provides many strong advantages. This section will explain its benefits from different aspects. It helps engineers better understand its value in industrial equipment applications.
Integrated Backlight System
Built-in CCFL backlight with replaceable lamps. Extends service life and reduces long-term maintenance costs.
Built-in Inverter
The module includes an inverter. No extra driver circuit is needed, helping reduce device size and assembly complexity.
180° Screen Rotation
Supports scan direction switching. Can adjust display orientation according to device installation, improving application flexibility.
Industrial Temperature Range
Operating temperature: 0~50°C, storage temperature: -20~60°C. Suitable for most industrial equipment.
Good Vibration Resistance
Can withstand up to 2.0G vibration. Suitable for industrial environments with mechanical vibration, enhancing device reliability.

NL6448AC33-29 Use Cases
In this section, we will introduce its typical use cases in various industrial scenarios. As an industrial-grade TFT display, the NL6448AC33-29 is suitable for control system display terminals, process controller monitors, and industrial PCs, providing clear visual output and enhancing operational efficiency and system reliability.
Display Terminals for Control Systems
The NL6448AC33-29 is suitable for various control system displays. For example, in a factory automation control room, it can serve as the main screen on a control console. It shows real-time production line status, equipment parameters, and alarm messages. Its high brightness and wide viewing angle ensure operators can clearly read data from different positions, improving monitoring efficiency and accuracy.
Monitors for Process Controllers
In process control applications, the NL6448AC33-29 can be used as a monitor for process controllers. For example, in a chemical plant’s temperature and pressure control system, it can display sensor data in real time and help operators make precise adjustments. Its vibration resistance and industrial operating temperature range ensure stable performance in high-temperature or mechanically active environments.
Industrial PCs
The NL6448AC33-29 can also be used in industrial PC display modules. For example, in a logistics warehouse system, it can show warehouse management software screens or barcode scanning data. Its built-in backlight and adjustable display direction make it adaptable to different cabinet layouts while ensuring clear data visualization and comfortable operation.
NL6448AC33-29 Industrial Usage Guide
1. Provide a stable DC power supply and avoid voltage fluctuations.
2. Ensure interface compatibility to prevent signal issues.
3. Built-in inverter, no extra driver circuit needed.
4. Avoid pressing or squeezing the screen edges.
5. Supports 180° screen rotation, adjustable according to installation.
6. Use vibration damping during mounting to prevent damage.
7. Operating temperature: 0~50°C; storage temperature: -20~60°C.
8. Avoid high humidity, dust, or corrosive environments.
9. Keep away from strong magnetic fields and high-power interference.
10. CCFL backlight lamps are replaceable to extend lifespan.
11. Turn off power and follow safety procedures when replacing.
12. Avoid displaying static images for long periods.
13. Clean the screen regularly.
14. Check power, signals, and environment if abnormalities occur.
ANDE Electronics: Reliable LCD Display Solutions
In summary, the NL6448AC33-29 LCD screen, with its 10.4-inch diagonal, 640×480 resolution, built-in CCFL backlight, wide viewing angle, and stable industrial performance, is ideal for applications such as control system display terminals, process controller monitors, and industrial PCs.
As a professional electronic components supplier, Ande Electronics is dedicated to providing high-quality LCD modules, reliable technical support, and flexible purchasing services. Whether for upgrading existing industrial equipment or developing new projects, the NL6448AC33-29 serves as a dependable core display component, helping engineers and manufacturers achieve efficient and stable visual solutions in industrial environments.

