Nanjing Weishi Bo Electronics Co., Ltd
| 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 |
| 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 |
| 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) |
| 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 |
| 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 |
| Certification | IMQ/ROHS |
| Place of Origin | CHINA |
| Brand Name | Weishibo |
| Model Number | Customizable |
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Product Specification
| 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 | 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 | 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) | 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 | 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 |
| Certification | IMQ/ROHS | Place of Origin | CHINA |
| Brand Name | Weishibo | Model Number | Customizable |
| High Light | 1.68 Inch backlight module ，400 Cd/M2 backlight module ，Round back light module | ||
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.
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
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.
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.
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.
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.
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.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
2019
Total Annual:
10000000-15000000
Employee Number:
300 people~500 peopl
Ecer Certification：
Verified Supplier
Weishibo Electronics is located in Nanjing, an ancient city and a key hub in the Yangtze River Delta Economic Zone of China. As the capital city of Jiangsu Province, Nanjing boasts a developed economy and a long history, and is adjacent to Shanghai and Zhejiang. With over 20 years of exper... Weishibo Electronics is located in Nanjing, an ancient city and a key hub in the Yangtze River Delta Economic Zone of China. As the capital city of Jiangsu Province, Nanjing boasts a developed economy and a long history, and is adjacent to Shanghai and Zhejiang. With over 20 years of exper...
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