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1.68 Inch Round LED Backlight Module Circular Gauge 400 Cd/M2 Round Meter Backlight
1.68 Inch Round LED Backlight Module Circular Gauge 400 Cd/M2 Round Meter Backlight
Specifications
Material :
PVC/PMMA
Waterproof Rating :
IP30 (Standard Indoor), IP54/IP65 (Outdoor / Humid Environments)
Accessories :
Adhesive tape (3M adhesive), double-sided tape, fixing foam, thermal pad
Certification :
IMQ/ROHS
MOQ :
500
Brightness :
cd/㎡ (nit), the standard brightness ranges from 300 to 1000 cd/㎡, and high-brightness models can reach over 1500 cd/㎡
Operating current :
Single-channel / Full-board Rated Current (mA/A)
Light guide process :
Screen printing, laser dot marking and etching light guide
Wiring method :
Pad routing, FPC flexible cable, terminal connection, direct wire outlet
Panel Type :
Light Guide Plate (LGP), Uniform Light Plate, Backlight Module (including light guide, diffusion, brightness enhancement and light bar)
Operating temperature :
-20℃ ~ +60℃ (Standard), Wide temperature version: -30℃ ~ +70℃
Light-emitting mode :
Edge-lit backlight, Direct-lit backlight
perspective :
Full view, front view, narrow view
Assembly structure :
Integrated patch, split module, fixed with iron frame / plastic frame
Applicable Panels :
Compatible with LCD screens, segment code screens, dot-matrix screens and touch screens
Supply Ability :
500K per month
Packaging Details :
Blister packaging
Place of Origin :
CHINA
Color temperature :
Warm White (2700K-3500K), Pure White (4000K-4500K), Cool White (6000K-7000K), Colored Light (Red / Green / Blue / Multicolor)
Power :
Overall Board Power Consumption (W)
Price :
0.1-0.5USD
Uniformity :
≥80% (industry standard), high uniformity models ≥90%, no dark areas, light spots or shadows
Operating Voltage :
DC 3V/5V/12V/24V (5V and 12V are the most commonly used)
Payment Terms :
L/C,D/A,D/P
Delivery Time :
15-25 working days
LED bead packaging :
SMD LEDs (0603/0805/2835/3014, etc.), edge-lit / direct backlight strips
Storage temperature :
-30℃ ~ +70℃
border :
Borderless, narrow bezel, wide bezel
light shielding :
Built-in vinyl light blocking and fully edged light blocking on all sides
Brand Name :
Weishibo
Model Number :
Customizable
Optical film :
Diffuser film, upper and lower brightness enhancement film (BEF), reflective film, light-shielding adhesive
Name :
1.68 Inch Round Instrumentation LED Backlight Module
Surface treatment :
Matte, high-transparency, scratch-resistant, anti-glare
Emission Color :
Monochrome, two-color, RGB full-color
service life :
Regular version: over 50000H, Highlight version: over 30000H
Description
1.68 Inch Round Instrumentation LED Backlight Module | 400 cd/m² with Terminal Connector
Product Overview

This 1.68-inch circular LED backlight module is purpose-built for round gauge and knob-style display applications, delivering uniform, consistent illumination for compact circular LCD panels. With an optimized brightness of 400 cd/m², it ensures crisp, glare-free readability in indoor and low ambient light environments. The direct terminal PIN output enables quick, error-free installation, while its ultra-thin 1.9mm profile and precision circular dimensions (58.00×56.70×1.9mm outer size, 42.98×42.98mm viewing area) ensure seamless compatibility with standard 1.68-inch round meter and gauge LCD panels. Ideal for automotive dashboard indicators, smart home knobs, industrial circular meters, and compact control panel displays.

Key Specifications

Diagonal Size: 1.68 Inches (Round)

Overall Dimensions: 58.00 × 56.70 × 1.9 mm

Viewing Area (VA): 42.98 × 42.98 mm (Circular)

Brightness: 400 cd/m² (Optimized for Indoor Instrumentation)

Connection: Direct Terminal PIN Output

Light Source: Side-Emitting LED with precision-engineered circular light guide plate (LGP)

Typical Applications: Automotive dashboard indicators, smart home control knobs, industrial circular meters, compact control panel displays, and consumer electronics indicators

Core Features & Benefits
  • ✅ Specialized Circular Design for Round Gauges

    Engineered exclusively for circular display applications, this backlight provides perfectly symmetrical illumination across the entire 42.98mm diameter viewing area, eliminating edge shadowing and ensuring uniform brightness for round meter readouts.

  • ✅ Optimized 400 cd/m² Brightness

    Calibrated to deliver a comfortable 400 cd/m² luminance, this backlight provides clear, legible readouts without causing eye strain during prolonged use. It is perfectly suited for indoor industrial and consumer electronics environments.

  • ✅ Ultra-Thin 1.9mm Profile

    At just 1.9mm thick, this module is designed to fit into the most space-constrained circular gauge enclosures. Its compact form factor allows for seamless integration into modern, slimline meter and knob designs without compromising performance.

  • ✅ Plug-and-Play Terminal Connector

    The pre-wired terminal connector enables quick, tool-free installation. Clearly marked wiring eliminates polarity confusion, reducing assembly errors and streamlining mass production processes for instrumentation manufacturers.

  • ✅ Low-Power, Long-Lasting Performance

    Featuring high-efficiency side-emitting LEDs, this backlight delivers exceptional energy efficiency, making it ideal for battery-powered devices. The robust construction ensures long-term reliability and consistent performance over thousands of hours of continuous operation.

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1.68 Inch Round LED Backlight Module Circular Gauge 400 Cd/M2 Round Meter Backlight

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Product Detail
Material :
PVC/PMMA
Waterproof Rating :
IP30 (Standard Indoor), IP54/IP65 (Outdoor / Humid Environments)
Accessories :
Adhesive tape (3M adhesive), double-sided tape, fixing foam, thermal pad
Certification :
IMQ/ROHS
MOQ :
500
Brightness :
cd/㎡ (nit), the standard brightness ranges from 300 to 1000 cd/㎡, and high-brightness models can reach over 1500 cd/㎡
Contact Supplier
1.68 Inch Round LED Backlight Module Circular Gauge 400 Cd/M2 Round Meter Backlight

Nanjing Weishi Bo Electronics Co., Ltd

Verified Supplier
1 Years
jiangsu, nanjing
Since 2019
Business Type :
Manufacturer, Distributor/Wholesaler
Main Products :
High Power LED Chip, High Power IR LED, High Power White LED
Total Annual :
10000000-15000000
Employee Number :
300 people~500 peopl
Certification Level :
Verified Supplier
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