Resource Center
Technical documentation, design tools, and engineering resources for LED components and lighting applications. Find specifications, application notes, design files, case studies, and support for your projects.
NEW — Selection Hub
LED Product Selector
Browse the complete Queendom product portfolio — LED chips (high-power ceramic, SMD, DIP, IR, UV) and lighting applications (agricultural, industrial, smart). Compare models and jump directly to datasheets.
LED Components
For electronic engineers, hardware designers, and component buyers working with LED chips and packages.
- Datasheet Center (SMD, DIP, High-Power, IR, UV)
- Application Notes & Design Resources
- Selection Guide & Failure Analysis
- Test Reports (LM-80)
- Knowledge & Industry Standards
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Lighting Resources
For lighting designers, electrical engineers, and project managers working with LED lighting fixtures and systems.
- Lighting Specifications & Optical Reports
- Lighting Design Guide
- Selection Tools & Calculators
- Installation Guides
- Lighting Power Density Standards
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Common Support
Support Center
Technical support and customer service
FAQ
Common questions about LED and lighting
Certificates
RoHS, CE, UL, ISO certifications
Download Center
Datasheets, IES files, and documents
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