NL3224BC35-20 NEC 5.5"320(RGB)×240 tft lcd module

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NL3224BC35-20 NEC 5.5"320(RGB)×240 tft lcd module

Data sheets：

NL3224BC35-20 NEC 5.5"320(RGB)×240 tft lcd module.pdf

Product Information Product Specifications

Model:

NL3224BC35-20

Brand:

NEC

Application:

Industrial

Size:

5.5"

Resolution:

320(RGB)×240, QVGA 72PPI

Brightness:

400 cd/m² (Typ.)

Contrast Ratio:

400:1 (Typ.) (TM)

Viewing Angle:

55/55/50/40 (Typ.)(CR≥10)

Lamp Type:

2 pcs CCFL , 40K hours , Without Driver

Signal Interface:

CMOS (1 ch, 6-bit) , 33 pins Connector

Panel Type:

a-Si TFT-LCD, LCM

Ordering instructions

Quality:

test ok before ship it

RMA Policy:

RMA 6 month

Sample:

Paid Sample

Stock:

115

Stock Location:

China

Delivery:

WorldWide

Lead Time:

1-3 Days

Weight:

0.500 KG

Overview

NL3224BC35-20 is NEC mature 5.5-inch QVGA industrial TFT module, widely pre-installed on portable industrial controllers and small automation HMI equipment.

400 cd/m² high brightness supports clear reading of measurement data, parameter menus and alarm information under factory indoor lighting environment. Standard 320×240 QVGA resolution is highly compatible with legacy embedded control firmware, matching original UI layout without picture distortion.

Category	Parameter	Typical Specification
Basic Info	Full Model	NL3224BC35-20
Manufacturer	NEC LCD Technologies (Japan)
Screen Size	5.5 inch, landscape 4:3
Native Resolution	320(RGB) × 240 QVGA, 110 PPI
Panel Technology	a-Si TN TFT-LCD, Transmissive Normally White
Pixel Arrangement	RGB vertical stripe
Optical Performance	Active Display Area (AA)	111.36(W) × 83.52(H) mm
Typical Brightness	400 cd/m²
Contrast Ratio	400:1 @ 25℃ ambient temperature
Color Depth	6-bit RGB, 262K display colors
Viewing Angle (CR≥10)	L/R:65°, U:65°, D:40°; Optimal viewing direction: 6 o’clock
Response Time (Tr+Td)	35ms typical value
Refresh Rate	60Hz native
Mechanical Spec	Overall Outline Dimension	134.0(W) × 104.5(H) × 12.5(D) mm metal frame
Net Weight	~215g
Surface Treatment	Gloss hard coat; matte AG anti-glare polarizer optional
Electrical Interface	Connector	33Pin 0.5mm pitch FPC parallel RGB CMOS interface
Logic Supply Voltage	DC 3.3V (3.0V ~ 3.6V tolerance)
Backlight System	Light Source	Dual edge CCFL cold cathode fluorescent lamps
Onboard Circuit	No built-in CCFL high-voltage boost IC; external dual-lamp CCFL inverter required
CCFL Rated Lifespan	40,000 hours to half brightness
Environmental Rating	Operating Temperature	-10 ℃ ~ +70 ℃ industrial grade
Storage Temperature	-30 ℃ ~ +80 ℃
Operating Humidity	10% ~ 90% RH non-condensing
Quality & Stock	Quality Grade	Original Grade A: zero bright/dark dot, no horizontal/vertical line defects, uniform backlight without light leakage
Stock Status	In-Stock. Full pixel scan and continuous aging test before shipment
Compliance	RoHS compliant legacy industrial display, CCFL contains trace mercury
Touch Matching	Bare LCD only; separate 5.5" 4-wire resistive touch digitizer available for optical bonding

Core Advantages

NEC original industrial design, stable performance for legacy equipment maintenance replacement
400 cd/m² high brightness, suitable for factory indoor bright environment
Compact metal frame structure, perfect for portable and small embedded control equipment
Classic 33Pin parallel RGB CMOS interface, abundant matching driver resources
Dual CCFL backlight delivers stable long-term static display effect
Ready stock supports fast delivery for equipment maintenance orders
Optional matte anti-glare polarizer to reduce light reflection

Typical Application Scenarios

Replacement display for portable industrial testing equipment, welding machine HMI
Textile machinery, packaging equipment small parameter monitoring control panel
Portable medical analytical measuring instrument and data recorder terminal
Early-generation embedded industrial control human-machine interface
Spare replacement panel for NEC NL3224BC series 5.5-inch QVGA TFT modules

FAQ:

Q1: Does NL3224BC35-20 need an external CCFL inverter?

A1: Yes. There is no onboard CCFL high voltage boost IC. A matched dual-lamp CCFL high voltage inverter is mandatory to light up the backlight; WLED constant current drivers cannot substitute.

Q2: Can this panel work with LVDS driver board directly?

A2: No. The native interface is 33Pin parallel RGB CMOS. A CMOS to LVDS conversion board is required for signal conversion.

Q3: What temperature environment is this panel suitable for?

A3: Operating temperature range -10℃ ~ +70℃, designed for indoor factory workshops and portable industrial devices; not applicable for outdoor low-temperature field operation.

Q4: Can NL3224BC35-20R directly replace NL3224BC35-20?

A4: They share identical mechanical dimension and pin layout. Driver timing and backlight parameters must be verified before direct replacement.

Q5: Does the module come with touch panel as standard?

A5: Bare LCD module only without touch sensor layer. Separate matched 5.5-inch 4-wire resistive touch digitizer needs optical bonding to form touch industrial HMI assembly.

Q6: Are panels available in stock and ready for shipment?

A6: Yes, tested Grade A original modules are in warehouse. Shipment within 1–3 working days after order confirmation. Every unit completes full pixel and backlight inspection before delivery.

Product Comparison

Model:

Size:

Resolution:

Brightness:

Contrast Ratio:

Viewing Angle:

Lamp Type:

Signal Interface:

Panel Type:

NL3224BC35-20 NEC 5.5"320(RGB)×240 tft lcd module

NL3224BC35-20

5.5"

320(RGB)×240, QVGA 72PPI

400 cd/m² (Typ.)

400:1 (Typ.) (TM)

55/55/50/40 (Typ.)(CR≥10)

2 pcs CCFL , 40K hours , Without Driver

CMOS (1 ch, 6-bit) , 33 pins Connector

a-Si TFT-LCD, LCM

NL3224BC35-20R 5.5" lcd display screens for NEC

NL3224BC35-20R

5.5"

320(RGB)×240, QVGA 72PPI

2 pcs CCFL , No Driver

CMOS (1 ch, 6-bit) Connector

a-Si TFT-LCD, LCM

NL3224BC35-22 NLT 5.5 inch a-Si TFT-LCD LCM 320(RGB)×240 QVGA 72PPI

NL3224BC35-22

5.5"

320(RGB)×240, QVGA 72PPI

750 cd/m² (Typ.)

500 : 1 (Typ.) (TM)

55/55/50/40(Typ.)(CR≥10)

2 pcsCCFL, 40K hours, No Driver

CMOS(1ch,6-bit),33pinsConnector

a-Si TFT-LCD, LCM

NL3224BC35-01 NLT 5.5 inch a-Si TFT-LCD LCM 320(RGB)×240 QVGA 72PPI

NL3224BC35-01

5.5"

320(RGB)×240, QVGA 72PPI

CCFL

TTLConnector

a-Si TFT-LCD, LCM

Questions & Answers

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Is this screen readily available now? If not, are there any recommended alternative models?

The NL3224BC35-20 is an older model and may be discontinued, making it potentially out of stock at mainstream distributors. You may need to search from specialized inventory suppliers or the secondary market. As alternatives, you can look for other 5.5-inch, 640x480 resolution, RGB interface TFT modules from brands like AUO or Innolux, but pay close attention to the physical dimensions, mounting holes, and pinout compatibility.

Where can I find the official datasheet and pinout diagram for the NL3224BC35-20?

You can search on the official websites of NEC or its authorized distributors. Since this is a relatively older model, you might need to source it from component suppliers or technical forums (like EE Stack Exchange). The pinout diagram is crucial for correct wiring, so be sure to refer to the official datasheet.

What is the backlight type and voltage for this display? What is its lifespan?

The NL3224BC35-20 uses an LED backlight. The backlight drive voltage is typically between 3.5V to 4.2V (please confirm with the datasheet) and requires a constant current driver circuit. As an industrial-grade module, its backlight lifespan is typically very long, often rated at 50,000 hours or more.

Can I drive the NL3224BC35-20 screen directly with an Arduino or Raspberry Pi?

No, you cannot drive it directly. This screen uses an RGB parallel interface with complex timing, which the GPIO pins of an Arduino or Raspberry Pi cannot generate natively. You will need a dedicated LCD driver board or converter (often based on an FPGA or a dedicated driver IC) to handle the signal conversion.

What are the basic specifications of the NL3224BC35-20 screen, and what interface does it use?

This screen is a 5.5-inch TFT LCD display with a resolution of 320x 240. It utilizes a standard RGB parallel interface and is an industrial-grade module designed for specific NEC equipment.

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Nov 10, 2025

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Sep 29, 2025

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Aug 21, 2025

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Aug 15, 2025

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Nov 18, 2024

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