| Comparison Items |
Open-type or semi-closed-type optical engine |
New type of full-sealed optical engine |
| Assembly Process |
Traditional electronic workshop |
Cleanroom with at least Class 10,000 cleanliness level |
| Optical Engine Design Philosophy |
Low-cost distributed components |
High-quality components, precise assembly, compact design |
| Cooling Technology |
Only air convection cooling |
Peripheral air convection, contact-type semiconductor heat dissipation, and heat pipe cooling for the optical engine |
| Brightness Decay |
Dust adhesion causes rapid brightness decay |
No dust adhesion on the optical components, no additional brightness decay |
| LCD Panel Cleanliness (Black Dots) |
Dust accumulation leads to black dots on the screen |
No occurrence of black dots on the screen |
| Lifespan of Core Components such as LCD Panel and Light Source (Yellowing of Image Quality) |
Dust accumulation causes heat accumulation, accelerating aging and yellowing of image quality |
No internal dust accumulation, theoretically achieving multiple-fold increase in lifespan, even comparable to DLP projectors |
| Light Leakage |
Different degrees of light leakage and eye discomfort depending on heat dissipation holes and optical path design |
No light leakage from the body |
| Cooling Noise |
Highly dependent on strong convection air cooling, dust accumulation leads to decreased heat dissipation, requiring higher fan airflow, resulting in higher noise throughout the lifespan |
Active heat conduction, minimal convection requirements, unaffected heat dissipation performance of the core optical engine by dust accumulation, resulting in lower noise throughout the lifespan |
| Maintenance |
Internal cleaning of dust and professional optical maintenance required |
Full-sealed internal optical engine, no additional maintenance required, peripheral maintenance similar to routine maintenance of ordinary electronic devices |
| Internal Sensors and Intelligence |
Dust affects the sensitivity of internal sensors, hindering self-regulation of intelligent products |
Consistent environment and operating conditions for internal sensors in the optical engine, ensuring reliable and stable product operation |
| Brand Support |
Choice of traditional manufacturers and low-cost or counterfeit products |
Choice of emerging brands and mid-to-high-end LCD projectors, the starting point for brand-oriented market development, strong brand camp with sufficient strength and high investment in research and development |
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