The difference between LCD and LED intelligent interactive educational conference all-in-one machine

1. Display Technology and Educational Suitability

Traditional LCD technology has evolved significantly over time, expanding screen sizes from a few inches to 110 inches while substantially reducing costs. Recent advancements in LED lamp technology have dramatically enhanced display resolution. These two distinct technological approaches cover single-screen sizes ranging from 55 to 220 inches. 4K resolution (3840×2160) ensures crisp presentation of detailed course materials and charts, making it ideal for standard classrooms accommodating 20-40 students. LED technology, based on light-emitting diodes, supports modular splicing up to 216 inches with brightness adjustable to thousands of lumens. This makes it suitable for bright environments like lecture halls and auditoriums. However, the dot pitch (e.g., P1.25) affects text sharpness, necessitating anti-glare coatings for optimization.

2. Interactive Capabilities and Teaching Scenarios

LCDs integrate touchscreens (±1mm accuracy), electronic whiteboards, and wireless screen mirroring, supporting both Windows and Android systems. This facilitates simultaneous annotation during lectures, making them suitable for K-12 interactive classrooms. LEDs prioritize display functionality, requiring external devices for interaction, but support multi-screen synchronized display. They excel in high-information-density scenarios like university lectures and remote teaching.

3. Cost and Educational Institution Decision-Making

LCDs under 100 inches offer higher cost-effectiveness with low maintenance costs, making them suitable for budget-constrained K-12 schools. LEDs require higher initial investment but boast a lifespan of 100,000 hours, making them ideal for long-term use in universities or training institutions.

Translated with DeepL.com (free version)