Comparison of NEC NL6448AC33-18 and NL6448AC30-10 LCD Displays

When choosing between two similar LCD display models, such as the NEC NL6448AC33-18 and the NL6448AC30-10, it’s essential to understand their differences to determine which one better suits your needs.

Specifications Overview

NEC NL6448AC33-18

The NL6448AC33-18 is a 10.4-inch TFT LCD display. Here are its key specifications:

• Resolution: 640 x 480 (VGA)
• Brightness: 350 cd/m²
• Contrast Ratio: 300:1
• Viewing Angle: 70/70/50/70 (L/R/U/D)
• Response Time: 20 ms
• Backlight: LED
• Signal Interface: CMOS
• Operating Temperature: -10 to 65°C
• Dimensions: 243.0 x 179.0 mm

NEC NL6448AC30-10

The NL6448AC30-10 is a 9.4-inch TFT LCD display. Here are its key specifications:

• Resolution: 640 x 480 (VGA)
• Brightness: 90 cd/m²
• Contrast Ratio: 110:1
• Viewing Angle: 45/45/25/25 (L/R/U/D)
• Response Time: 40 ms
• Backlight: CCFL
• Signal Interface: CMOS (4-bit)
• Operating Temperature: 0 to 50°C
• Dimensions: 259.5 x 179 mm

Detailed Comparison

Display Quality

The NL6448AC33-18 offers superior brightness and contrast ratio compared to the NL6448AC30-10. The NL6448AC33-18 has a brightness of 350 cd/m² and a contrast ratio of 300:1, providing clearer and more vibrant images. In contrast, the NL6448AC30-10 has a brightness of only 90 cd/m² and a contrast ratio of 110:1, which may result in duller images.

Viewing Angles

The NL6448AC33-18 also has better viewing angles, with a range of 70/70/50/70 degrees (left/right/up/down) compared to the NL6448AC30-10’s 45/45/25/25 degrees. This makes the NL6448AC33-18 more suitable for applications where the display may be viewed from various angles.

Response Time

In terms of response time, the NL6448AC33-18 is faster, with a response time of 20 ms, whereas the NL6448AC30-10 has a response time of 40 ms. This makes the NL6448AC33-18 more suitable for applications requiring quick screen updates, such as video playback or interactive interfaces.

Backlighting

The backlighting technology also differs between the two models. The NL6448AC33-18 uses an LED backlight, which is generally more energy-efficient and has a longer lifespan compared to the CCFL backlight used in the NL6448AC30-10. This difference can affect the overall power consumption and maintenance requirements of the display.

Operating Temperature

The NL6448AC33-18 can operate in a broader temperature range (-10 to 65°C) compared to the NL6448AC30-10 (0 to 50°C).

Physical Dimensions

While the NL6448AC33-18 is slightly smaller in screen size at 10.4 inches compared to the 9.4-inch NL6448AC30-10, it has more compact dimensions overall. The NL6448AC33-18 measures 243.0 x 179.0 mm, whereas the NL6448AC30-10 is larger at 259.5 x 179 mm.

Interchangeability

Considering the differences in specifications, the NL6448AC33-18 and NL6448AC30-10 are not direct substitutes for each other. The NL6448AC33-18 is generally superior in terms of brightness, contrast ratio, viewing angles, response time, and operating temperature range.

However, if an application requires a less bright display and operates within the temperature range suitable for the NL6448AC30-10, this model might be a cost-effective choice. Additionally, if the specific interface or form factor of the NL6448AC30-10 fits a particular design requirement, it could be preferable.

Conclusion

In summary, the NEC NL6448AC33-18 and NL6448AC30-10 LCD displays serve different needs and applications despite their similar resolutions and general form factors. The NL6448AC33-18 excels in performance and versatility, making it suitable for high-demand applications. On the other hand, the NL6448AC30-10 can be a viable option for less demanding environments where cost and specific physical dimensions are critical factors.

For more detailed specifications and to purchase these displays, you can visit the NL6448AC33-18 product page and the NL6448AC30-10 product page.