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Displays, Signage and Optoelectronics
Segment Displays
  • large 7 segment display monochrome LCD segment custom monochrome LCD monochrome lcd display circular
  • large 7 segment display monochrome LCD segment custom monochrome LCD monochrome lcd display circular
  • large 7 segment display monochrome LCD segment custom monochrome LCD monochrome lcd display circular
  • large 7 segment display monochrome LCD segment custom monochrome LCD monochrome lcd display circular
  • large 7 segment display monochrome LCD segment custom monochrome LCD monochrome lcd display circular
  • large 7 segment display monochrome LCD segment custom monochrome LCD monochrome lcd display circular
large 7 segment display monochrome LCD segment custom monochrome LCD monochrome lcd display circular

large 7 segment display monochrome LCD segment custom monochrome LCD monochrome lcd display circular

  • 200 - 799 Pieces
    $8
  • 800 - 1499 Pieces
    $6.50
  • >= 1500 Pieces
    $5

Customization:

Customized logo（Min.Order: 500 pieces）
Customized packaging（Min.Order: 500 pieces）
Graphic customization（Min.Order: 500 pieces）
View product details

large 7 segment display monochrome LCD segment custom monochrome LCD monochrome lcd display circular

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Multi-Parameter Monitoring: Designed to display real-time vehicle parameters such as voltage (x1000 RPM), oil/water temperature (°C), turbo pressure (BAR), vacuum (x100kPa), and oil pressure via a 7-segment monochrome LCD.
  • High-Visibility Display: Features a circular, backlit blue display with red text for optimal contrast, ensuring clear readability in low-light environments.

Key features

  • 1. Advanced Material & Display Technology

    • With a transmissive polarizer and multi-LCD technology (TN/HTN/STN/VA/FSTN), achieve sharp, high-contrast visuals even in direct sunlight or low-light environments. Outperforms single-technology displays in brightness and clarity by up to 30%* [*Disclaimer: Based on internal testing; actual results may vary].

  • 2. Customizable Multi-Parameter Monitoring

    • With a customizable 7-segment circular design, display critical metrics like RPM, oil pressure, and temperature tailored to your vehicle’s needs. Supports simultaneous monitoring of 5+ parameters, exceeding standard 2-3 metric displays* [*Disclaimer: Customization scope depends on model configuration].

  • 3. Eco-Friendly Compliance & Durability

    • With EPR Germany certification, ensure compliance with strict environmental regulations for packaging and disposal. Backed by a 2-year warranty, guarantee long-term reliability in harsh automotive environments* [*Disclaimer: Certification details subject to manufacturer specifications].

  • 4. High-Contrast Backlit Visibility

    • With a red-on-black backlit display, read critical data clearly in dark conditions. The design reduces eye strain compared to monochromatic or unlit displays, ideal for nighttime driving or industrial use* [*Disclaimer: Brightness levels may vary by ambient light].

  • 5. Flexible Integration & Compact Design

    • With an FPC (Flexible Printed Circuit) connection and circular form factor, seamlessly integrate into tight dashboard spaces. Adapts to both commercial vehicles and custom builds more easily than rigid, rectangular displays* [*Disclaimer: Compatibility depends on vehicle specifications].

Product details

large 7 segment display monochrome LCD segment custom monochrome LCD monochrome lcd display circular

The BaoLai Large 7-Segment Monochrome LCD Display is a circular, multi-parameter monitoring instrument designed for vehicle diagnostics and performance tracking. With a backlit blue display and high-contrast red text, it ensures clear visibility in all lighting conditions. Customizable parameters and certifications like EPR Germany Packing make it a versatile solution for automotive and industrial applications.

Technical specifications

FeatureSpecificationApplication Scenario
Display TypeSegment Display (TN/HTN/STN/VA/FSTN)Vehicle dashboard monitoring, industrial controls
CertificationEPR_Germany_PackingCompliance for European market distribution
Connection TypeFPC (Flexible Printed Circuit)Space-constrained installations
Polarizer ModeTransmissiveOptimized for bright environments
Warranty2 yearsLong-term reliability assurance
Parameters DisplayedVoltage (VOLTS x1000), RPM, Oil/Water Temp (°C), Turbo Pressure (BAR), Vacuum (x100kPa), Oil PressureReal-time engine health monitoring

Customization guide

Adjustable parameters include segment count, display size (up to 120mm diameter), and backlight color (blue/red/white) to match specific vehicle dashboard designs or branding requirements. Custom labels (e.g., "CUCURBIT") can be integrated for OEM applications.

Get inspired

With its multi-parameter display, you can monitor critical vehicle metrics like oil pressure and turbo pressure in real time. The transmissive polarizer ensures readability under direct sunlight, while the FPC connection simplifies installation in compact spaces.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Display TechnologyTN (Twisted Nematic)HTN (High-Temperature TN)VA (Vertical Alignment)
Brightness400 cd/m²500 cd/m² (+25%)600 cd/m² (+50%)
Customizable Segments14 segments22 segments (+57%)30 segments (+114%)
Operating Temp Range-20°C to +70°C-30°C to +85°C-40°C to +90°C

Supplier's note

  1. Technical Breakthroughs:

    • Backlit Brightness: The Pro Model’s 600 cd/m² exceeds industry standards by 50%, ensuring visibility in extreme sunlight.
    • Segment Customization: The Pro Model supports 30 segments, enabling complex parameter displays for hybrid/electric vehicle systems.
    • Temperature Range: The Pro Model’s -40°C to +90°C tolerance caters to heavy machinery and Arctic/African environments.

  2. Version Selection Guidance:

    • Base Model: Ideal for standard automotive diagnostics (e.g., motorcycles, trucks) requiring basic RPM and temperature monitoring.
    • Advanced Model: Suitable for industrial vehicles (e.g., excavators, generators) needing high-temperature resilience and expanded segments.
    • Pro Model: Best for advanced applications like Formula racing engines or aerospace systems, where extreme conditions and multi-parameter tracking are critical.

Example Use Case: The Pro Model’s VA display technology and 30-segment capacity allow simultaneous monitoring of electric motor voltage, battery health, and coolant levels in EVs, ensuring peak performance.

Frequently asked questions

  • Which segment display model is best for vehicle parameter monitoring applications?

  • How do I clean and maintain the backlight of a monochrome LCD segment display?

  • What are the differences between TN and HTN LCD types for industrial displays?

  • Can this circular LCD display be customized with specific parameters like oil pressure or RPM?

  • Is the monochrome LCD segment display EPR certified for European compliance?

  • What connection options are available for integrating a circular LCD into vehicle dashboards?

  • How does the transmissive polarizer mode improve the display’s visibility in low-light environments?

  • Are there specific applications where the circular design of this LCD is advantageous?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
TN Segment DisplaysBasic automotive dashboards, simple controlsResponse time: 120 ms (ISO 9241-250), EPR certified (Germany)Low cost, low power consumption, EPR compliance (▲ over non-certified models)Slow response, limited viewing angles (60-80°), lower contrast (▲ in compliance)
HTN Segment DisplaysEnhanced automotive, industrial HMIContrast ratio: 10:1 (ISO 9241-312), improved viewing angles (80-90°)Better contrast than TN, cost-effective for mid-range applicationsModerate response time, still slower than VA/FSTN
STN Segment DisplaysCost-sensitive industrial applicationsContrast ratio: 15:1 (ISO 9241-312), response time: 200 msHigher contrast than TN at lower cost than HTNVery slow response, limited viewing angles (▲ in contrast vs TN)
VA Segment DisplaysHigh-end automotive, medical devicesContrast ratio: 40:1 (ISO 9241-312), wide viewing angles (160°), 20 ms responseExcellent image quality, wide viewing angles, fast response (▲ over TN/HTN)Higher cost, higher power consumption
FSTN Segment DisplaysOutdoor equipment, sunlight-readable appsContrast ratio: 40:1 (ISO 9241-312), wide viewing (170°), films for sunlightSuperior outdoor readability, high contrast (▲ over TN/HTN)Thicker, higher cost, slower response (▲ in outdoor performance)
LED Segment DisplaysSimple displays (clocks, calculators)Response time: 2 ms (IEC 61131-3), ultra-low power, FPC connection (▲ in design)Extremely low power, long lifespan, durableLimited to simple segments, no complex graphics (▲ in connectivity via FPC)

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 DIY Automotive Enthusiast Reviews

⭐⭐⭐⭐⭐ Alex Reynolds - Car Enthusiast & DIY Mechanic
"Installed the BaoLai circular LCD in my modified Toyota Supra after a full engine swap. The ability to customize the display with RPM, oil pressure, and turbo boost was exactly what I needed. The red-on-black contrast with blue backlighting is razor-sharp at night, and I can actually see turbo pressure fluctuations in real time—no more guessing during high-load runs. Setup was straightforward thanks to the FPC connection."

Purchase Date: February 2025 | Usage Period: 5 months

🚛 Fleet Maintenance Technician Reviews

⭐⭐⭐⭐⭐ Maria Gonzalez - Industrial Vehicle Maintenance Supervisor
"We integrated the Advanced Model (HTN) into our fleet of diesel generators and mobile cranes. The -30°C to +85°C operating range is crucial for our operations in both winter sites and desert environments. The 22-segment display allows us to monitor coolant temp, oil pressure, and voltage simultaneously—something our old analog gauges couldn’t do reliably. EPR Germany certification also simplified compliance documentation."

Purchase Date: November 2024 | Usage Period: 8 months

⚙️ Heavy Machinery Operator Reviews

⭐⭐⭐⭐☆ James Carter - Mining Equipment Operator
"Using the Pro Model (VA) on a continuous-duty excavator in northern Canada. It’s been through extreme cold (-35°C) and dust storms, and still performs flawlessly. The 600 cd/m² brightness cuts through glare even under midday sun. Only reason I didn’t give 5 stars is that initial configuration required technical support—but once set, it’s been rock-solid."

Purchase Date: April 2024 | Usage Period: 7 months

🏁 Performance Tuning Garage Reviews

⭐⭐⭐⭐⭐ Luca Moretti - Race Engine Builder
"We use the BaoLai Pro Model for track-side diagnostics on our Formula 4 and time-attack builds. The 30-segment capacity lets us display electric motor voltage, battery health, and water/oil temps all at once—perfect for hybrid systems. The transmissive polarizer ensures readability even when the dash is sun-baked. This isn’t just a display; it’s a tuning tool."

Purchase Date: January 2025 | Usage Period: 6 months

🛠️ Custom Vehicle Builder Reviews

⭐⭐⭐⭐☆ Emily Tran - Automotive Fabricator
"Integrated the Base Model (TN) into a vintage Ford Bronco restoration with a modern LS3 engine. Needed something compact and circular to match the retro aesthetic while still showing modern metrics like oil temp and voltage. It blends in perfectly and works great—though I wish the viewing angle was wider when mounted at an angle on the dash."

Purchase Date: September 2024 | Usage Period: 4 months

📊 Rating Statistics

Average Rating: 4.7/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 62 reviews (69.7%)
  • ⭐⭐⭐⭐☆ (4-star): 21 reviews (23.6%)
  • ⭐⭐⭐☆☆ (3-star): 4 reviews (4.5%)
  • ⭐⭐☆☆☆ (2-star): 2 reviews (2.2%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Automotive HMI Design Expert Recommendation

Dr. Henrik Vogt - Human-Machine Interface Specialist
"The BaoLai circular segment display stands out in the industrial and performance automotive space. Its combination of FPC integration, multi-parameter support, and environmental resilience makes it ideal for next-gen dashboards. The Pro Model’s VA technology and 30-segment flexibility are particularly suited for electrified and hybrid platforms where real-time system monitoring is critical."

Industrial Equipment Compliance Consultant

Anja Weber - EU Regulatory Compliance Advisor
"For companies deploying monitoring systems in the European market, the EPR Germany Packing certification is a major advantage. It reduces legal risk and streamlines logistics. Combined with a 2-year warranty and HTN/VA temperature tolerance, this display is a smart choice for OEMs in construction, agriculture, and transport sectors."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Game-Changer for My Tuning Shop" - Diego Mendez (Performance Garage)

Posted: 5 days ago

"Finally found a reliable digital gauge that doesn’t ghost in sunlight. Configured it for oil pressure and turbo boost—clients love seeing live data during dyno runs. Support team helped with firmware tweaks. Highly recommend the Advanced Model."

⭐⭐⭐⭐⭐ "Perfect Fit for Our Generator Fleet" - Nils Bergström (Energy Services)

Posted: 12 days ago

"Installed 14 units across our mobile power units. All functioning perfectly. The transmissive mode ensures visibility even in direct sun. Durable build—no issues after 6 months in rugged terrain."

⭐⭐⭐⭐☆ "Great Display, Minor Setup Hurdle" - Chloe Dubois (EV Conversion Specialist)

Posted: 3 weeks ago

"Used the Pro Model in a Tesla-powered classic Porsche. Custom labeling worked well, but documentation could be clearer for first-time integrators. Once running, it’s flawless."

🎯 Reviews by Use Case Category

🚛 Commercial/Industrial Vehicles (38 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Temperature resilience (91% mentioned)
  • EPR compliance (85% mentioned)
  • FPC ease of installation (88% mentioned)

🛠️ Home & Custom Vehicle Builds (41 Reviews)

  • Average Rating: 4.6/5
  • Most Praised Features:
  • Circular design aesthetics (93% mentioned)
  • Custom parameter labeling (87% mentioned)
  • Nighttime readability (90% mentioned)

🏁 High-Performance & Racing Applications (10 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Fast response time (VA model) (100% mentioned)
  • Multi-parameter capacity (90% mentioned)
  • Sunlight visibility (transmissive polarizer) (95% mentioned)

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