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Precision LCD & Display Solutions

Quanjia Electronics Limited – A trusted manufacturer of high-quality COB, COG, TFT, and OLED display modules since 2011. Engineered for reliability, performance, and global integration.

TFT Display Module
Factory and Application

About Quanjia Electronics

Quanjia Electronics Limited is a high-tech enterprise established in 2011, specializing in the research, development, and manufacturing of advanced liquid crystal display (LCD) modules and display technologies.

Based in Shenzhen, China, our 10,000-square-meter facility houses over 1,000 skilled professionals and is equipped with internationally advanced production lines, ultra-clean environments, and comprehensive testing systems to ensure the highest quality standards.

10+ Years Experience

Since 2011, delivering reliable display solutions worldwide.

10,000 M² Factory

State-of-the-art manufacturing and R&D center in Shenzhen.

Our Product Range

We offer a comprehensive portfolio of display modules designed for industrial, medical, consumer electronics, and IoT applications. All products are manufactured under strict quality control and environmental standards.

COG LCD Module

COG LCD Module

Chip-on-Glass technology for compact, high-resolution displays. Ideal for wearables, smart meters, and portable devices.

  • • TN / HTN / STN / FSTN / DFSTN / VA options
  • • Customizable sizes and interfaces
  • • Low power consumption
COG LCD Module Close-up

Advanced COG Solutions

High-density integration with driver IC directly bonded to glass. Perfect for space-constrained applications.

  • • High reliability and durability
  • • Supports custom character and graphic displays
  • • RoHS compliant
COB LCD Module

COB LCD Module

Chip-on-Board design offering robust performance and cost-effective solutions for industrial and home appliances.

  • • Excellent temperature stability
  • • Wide viewing angles
  • • Available in monochrome and custom colors
TFT Display

TFT Display

Full-color thin-film transistor displays with high brightness and fast response times for modern UIs.

  • • 2.4” to 10.1” standard sizes
  • • IPS and TN panel options
  • • MIPI, RGB, SPI interfaces supported
OLED Display

OLED Display

Self-emissive organic LED technology delivering true blacks, high contrast, and ultra-thin profiles.

  • • Flexible and rigid variants
  • • Wide operating temperature range
  • • Energy-efficient for battery-powered devices
Custom STN LCD Modules

STN / FSTN LCD

Super Twisted Nematic and Film Compensated STN displays for mid-range applications requiring good readability.

  • • High contrast in reflective mode
  • • Suitable for outdoor and industrial use
  • • Custom segment and matrix designs
VA LCD Technology

VA LCD Module

Vertical Alignment LCDs offering superior contrast ratios and wide viewing angles for professional equipment.

  • • Ideal for medical and test instruments
  • • Excellent grayscale reproduction
  • • Available with touch overlays
Graphic & Character LCDs

Custom Character & Graphic LCDs

Tailored display solutions with custom fonts, icons, and layouts for OEM integration.

  • • 8x1, 16x2, 20x4 standard formats
  • • Custom pixel mapping available
  • • Backlight options: LED, EL, or none
Industrial Grade Displays

Industrial LCD Modules

Designed for harsh environments with extended temperature ranges and high durability.

  • • Operating temp: -30°C to +80°C
  • • Anti-vibration and shock-resistant
  • • Long lifecycle support
Touch-Integrated Displays

Touch Screen TFTs

Capacitive and resistive touch panels integrated with TFT displays for interactive applications.

  • • Multi-touch support (capacitive)
  • • Glove and wet-surface operation
  • • Optical bonding available
High-Brightness TFTs

Sunlight-Readable TFT

High-brightness TFT displays up to 1500 nits for outdoor and direct sunlight applications.

  • • Anti-reflective coatings
  • • Optional heater for cold climates
  • • IP65 sealed options
OEM/ODM Services

OEM & ODM Support

Full engineering support from design to mass production. Custom tooling, firmware, and packaging.

  • • NRE and mold cost optimization
  • • Fast prototyping (2–4 weeks)
  • • Global logistics and after-sales service

Why Choose QJ Electronics?

We combine cutting-edge technology, rigorous quality control, and customer-centric service to deliver display solutions you can trust.

1

Advanced Technology

Utilizing COG, COB, TFT, and OLED technologies with continuous R&D investment.

2

Strict Quality Control

ISO-certified processes, 100% testing, and compliance with international standards.

3

Customization

Tailored designs, sizes, interfaces, and packaging to meet your exact needs.

4

Global Support

Fast communication, reliable shipping, and responsive after-sales service worldwide.

10+
Years in Business
10,000+
M² Factory
1,000+
Employees
50+
Countries Served

Frequently Asked Questions

What types of LCD modules do you manufacture?

We specialize in COB LCD, COG LCD, STN, FSTN, DFSTN, VA, TFT, and OLED display modules. Custom designs are also available.

Can you provide custom display solutions?

Yes, we offer full OEM/ODM services including custom sizes, resolutions, interfaces, backlighting, and mechanical designs.

What is your minimum order quantity (MOQ)?

MOQ varies by product type and customization level. For standard items, MOQ can be as low as 100 pieces. Contact us for details.

Do you support global shipping?

Yes, we ship worldwide via DHL, FedEx, UPS, and sea freight. We handle all export documentation and logistics.

What certifications do your products have?

Our products comply with RoHS, REACH, and other international environmental and safety standards. Factory follows ISO quality management practices.

How long does prototyping take?

Typically 2–4 weeks depending on complexity. We provide engineering support throughout the development cycle.

Get in Touch

Ready to start your next project? Contact our team for technical support, quotes, or custom design consultations.

Company

Quanjia Electronics Limited

Established

2011

Location

No.256, Chuangye Road, Xixiang Town, Bao'an Zone, Shenzhen, China

Contact Person

Sophia Huang

Phone / WhatsApp

+86-18900226535

Email

[email protected]

[email protected]

Fax

+86-755-52522000

Skype

Sophia_quanjia

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