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NL6448BC33-74K NEC Original lcd display screens
NL6448BC33-74K NEC Original lcd display screens
NL6448BC33-74K is a 10.4-inch professional a-Si TFT-LCD liquid crystal display module manufactured by NLT Technologies, a subsidiary of NEC Japan. This panel adopts NEC's unique SA-SFT (Super Advanced Super Fine TFT) display technology, providing 640×480 VGA standard resolution, 76PPI pixel density, and 4:3 classic aspect ratio, specifically designed for industrial automation and embedded system fields that require extremely high reliability and environmental adaptability.
This display features 450 cd/m² typical brightness, 800:1 typical contrast ratio, and 88°/88°/88°/88° all viewing angles (CR≥10), capable of clearly displaying content under various indoor light conditions. It adopts a dual CCFL backlight system (typical life 50,000 hours) with an ultra-wide operating temperature range of -20~70°C and a storage temperature range of -30~80°C, ensuring stable operation in harsh industrial environments. The panel uses a CMOS/TTL 1-channel 6-bit signal interface with a 31-pin connector and an input voltage of 3.3V/5.0V, making it easy to integrate into various embedded devices.
NL6448BC33-74K NEC lcd display screens Highlights:
SA-SFT Advanced Display Technology: NEC's unique SA-SFT technology provides excellent viewing angle characteristics and contrast performance. Even when viewed at large angles, images do not show significant color shift and brightness degradation.
High Brightness and High Contrast Ratio: 450 cd/m² high brightness and 800:1 high contrast ratio ensure clear display of content under various indoor light conditions, with sharp text and image edges.
Ultra-wide Temperature Operating Range: -20~70°C operating temperature range and -30~80°C storage temperature range, able to adapt to extremely cold and high temperature industrial environments, ensuring normal operation of equipment in various climatic conditions.
Long-life CCFL Backlight: Adopts dual CCFL backlight system with a typical life of up to 50,000 hours. The backlight is easy to replace, greatly reducing equipment maintenance costs.
Standard 4:3 Aspect Ratio: Classic 4:3 aspect ratio, perfectly compatible with the software interfaces of traditional industrial control systems and embedded applications, no additional adjustment required.
Clear Hard Coating Surface Treatment: Clear surface treatment provides higher light transmittance and clearer display effect, and 3H hard coating effectively prevents scratches and extends service life.
Easy to Integrate: Adopts standard CMOS/TTL interface and 31-pin connector with simple and universal interface definition, easy to connect with various microcontrollers and embedded systems.
NL6448BC33-74K NEC lcd display screens Specific Parameters:
| Parameter Category | Specific Parameters |
|---|---|
| Panel Brand | NEC (NLT Technologies) |
| Panel Model | NL6448BC33-74K |
| Screen Size | 10.4 inch |
| Panel Type | a-Si TFT-LCD, LCM |
| Resolution | 640(RGB)×480 (VGA) |
| Pixel Density | 76 PPI |
| Pixel Arrangement | RGB Vertical Stripe |
| Aspect Ratio | 4:3 |
| Display Mode | SA-SFT, Normally Black, Transmissive |
| Display Color | 262K Colors (6-bit) |
| Color Gamut | 50% NTSC (CIE1931) |
| Contrast Ratio | 800:1 (Typical, Transmissive) |
| Brightness | 450 cd/m² (Typical) |
| Viewing Angle | 88°/88°/88°/88° (U/D/L/R, CR≥10, Typical) |
| Response Time | 14/16 ms (Typical, Tr/Td) |
| Backlight Type | CCFL (2 pcs, No Backlight Driver) |
| Backlight Life | 50,000 hours (Typical) |
| Refresh Rate | 60 Hz |
| Signal Interface | CMOS/TTL, 1 channel, 6-bit, 31-pin Connector |
| Input Voltage | 3.3V/5.0V (Typical) |
| Operating Temperature | -20 ~ 70 °C |
| Storage Temperature | -30 ~ 80 °C |
| Surface Treatment | Clear, Hard coating (3H) |
| Touch Panel | Without (Optional Resistive Touch Screen) |
| Panel Thickness | 11.0 mm (Maximum) |
| Active Area | 211.2(W)×158.4(H) mm |
| Outline Dimensions | 243.0(W)×185.1(H)×11.0(D) mm |
| Weight | Approx. 475g (Typical) / 500g (Maximum) |
| RoHS Status | RoHS Compliant |
NL6448BC33-74K NEC lcd display screens Applications:
Industrial Human-Machine Interface (HMI): PLC control panels, industrial touch screens, equipment operation terminals
Medical Equipment: Patient monitors, small medical instrument displays, medical equipment control panels
Industrial Automation: Production line monitoring systems, robot control interfaces, data acquisition equipment
Vehicle Equipment: Car navigation, vehicle monitoring displays, construction machinery operation panels
Security Monitoring: Small monitoring displays, access control system displays, alarm host displays
Embedded Systems: Industrial control boards, test instrument displays, smart device terminals
Transportation: Rail transit monitoring systems, ship navigation equipment
FAQ:
Q: What is the difference between NL6448BC33-74K and NL6448BC33-74?
A: NL6448BC33-74K is a sub-model of the NL6448BC33-74 series. The two are basically the same in main parameters. The main difference lies in the production batch and minor adjustments of some electrical parameters. They can be used interchangeably in most application scenarios.
Q: Is this display already discontinued?
A: Yes, the NL6448BC33-74 series has been officially discontinued. Currently, the market mainly has inventory products and alternative models such as NL6448BC33-74E, NL6448BC33-74H, etc.
Q: What is the backlight type of this display?
A: It adopts a dual CCFL cold cathode fluorescent lamp backlight system without integrated backlight driver circuit, requiring an external driver board. We can provide matching backlight driver boards and LED backlight upgrade kits.
Q: Does this display support touch function?
A: The standard version of NL6448BC33-74K does not integrate touch function, but a resistive touch screen can be integrated according to customer requirements.
Q: How long is the warranty period for this display?
A: We provide a 90-day standard warranty period, and can also provide longer warranty services according to customer requirements.
