The NEC NL6448BC33-70F and NEC NL6448BC33-50E are both part of NEC’s industrial-grade LCD panel family, which are widely used in demanding environments such as medical devices, industrial machinery, and outdoor applications.
NEC NL6448BC33-70F LCD Display
Key Features:
- Screen Size: 10.4 inches
- Resolution: 640×480 pixels (VGA resolution), offering clear and crisp visuals.
- Brightness: The brightness level is 600 cd/m², which makes it ideal for both indoor and outdoor environments where strong ambient light may be present.
- Contrast Ratio: 700:1, providing excellent contrast between light and dark areas, enhancing image clarity and sharpness.
- Viewing Angle: Offers a wide viewing angle of 160° both horizontally and vertically, ensuring visibility from different perspectives.
- Backlight: It comes equipped with a long-lasting LED backlight, contributing to energy efficiency and longer operational life.
- Interface: TTL (Transistor-Transistor Logic), ensuring compatibility with industrial control systems and embedded solutions.
Applications:
- Medical Devices: The high brightness and wide viewing angles make it suitable for medical imaging equipment where clarity and detail are critical.
- Industrial Automation: Ideal for factory floor control panels that require robust displays with excellent visibility in various lighting conditions.
- Outdoor Applications: Due to its high brightness and durability, the NL6448BC33-70F is also used in semi-outdoor environments like kiosks and information systems.
NEC NL6448BC33-50E LCD Display
Key Features:
- Screen Size: 10.4 inches, same as the NL6448BC33-70F, making it equally suitable for compact industrial and commercial applications.
- Resolution: 640×480 pixels (VGA resolution), ensuring the same level of image clarity and sharpness as the NL6448BC33-70F.
- Brightness: The brightness level is 400 cd/m², lower than the 70F model, making it more suited for indoor or moderately lit environments.
- Contrast Ratio: 450:1, slightly lower than the 70F model, but still provides good image quality in environments where extreme contrast isn’t critical.
- Viewing Angle: 140° horizontal / 120° vertical, offering a good, though slightly narrower, viewing angle compared to the NL6448BC33-70F.
- Backlight: Like the 70F, it utilizes an LED backlight, providing good energy efficiency and durability.
- Interface: TTL, similar to the 70F, ensuring easy integration with most industrial systems.

Applications:
- Industrial Control Panels: Well-suited for indoor industrial applications that do not require extremely high brightness or wide viewing angles.
- Medical Equipment: Can be used in medical settings where lighting is controlled, and the display does not need the high brightness of the 70F model.
- POS Systems: Suitable for indoor point-of-sale systems and kiosks where moderate brightness is adequate.
Comparison Between NEC NL6448BC33-70F and NEC NL6448BC33-50E
Feature |
NEC NL6448BC33-70F |
NEC NL6448BC33-50E |
Screen Size |
10.4 inches |
10.4 inches |
Resolution |
640×480 (VGA) |
640×480 (VGA) |
Brightness |
600 cd/m² |
400 cd/m² |
Contrast Ratio |
700:1 |
450:1 |
Viewing Angle (H/V) |
160° / 160° |
140° / 120° |
Backlight |
LED |
LED |
Interface |
TTL |
TTL |
Applications |
Industrial, Medical, Outdoor |
Industrial, Medical, POS |
Differences and Impact on Applications
- Brightness: The most significant difference between these two models is the brightness. The NL6448BC33-70F has a brightness level of 600 cd/m², making it more suitable for outdoor or brightly lit environments. The NL6448BC33-50E, with a brightness of 400 cd/m², is better suited for indoor applications where lighting is more controlled.
- Contrast Ratio: The NL6448BC33-70F offers a higher contrast ratio (700:1 vs. 450:1), resulting in better image clarity, especially in environments with varying light conditions or where detailed visuals are necessary.
- Viewing Angle: While both displays offer good viewing angles, the NL6448BC33-70F has a wider viewing angle of 160° horizontally and vertically, ensuring better visibility from off-center positions. The NL6448BC33-50E has a slightly narrower viewing angle, which may not be as ideal for applications where the screen is viewed from various angles.
Can They Be Used Interchangeably?
In some cases, the NEC NL6448BC33-70F and NEC NL6448BC33-50E can be used interchangeably, depending on the application’s specific requirements:
- If brightness is not a critical factor, such as in indoor environments or applications where lighting is controlled, the NL6448BC33-50E may be a more cost-effective option.
- For outdoor or high-brightness applications, the NL6448BC33-70F is the better choice due to its higher brightness and wider viewing angles, ensuring better visibility in challenging lighting conditions.
- In industrial and medical environments where image clarity and wide viewing angles are important, the NL6448BC33-70F would likely be the better option, but for general indoor use, the NL6448BC33-50E would suffice.