太陽光と照明の科学
liproが発信する、光と暮らしの知識
What is Full Spectrum? | Differences in Spectral Distribution from Three-Wavelength and Fluorescent Lamps
The term "full spectrum" is becoming more common. It refers to light with a continuous spectral distribution similar to sunlight. This article will clearly explain the differenc...
Reviewing Lighting Lifespan and Replacement Signs During Your Annual Deep Clean
The year-end deep cleaning is a good opportunity to check the lighting fixtures on your ceiling, which you ...
Estimated lifespan and replacement timing for LED ceiling lights
Unlike fluorescent lights, LED ceiling lights are not a "current" replacement, but rather the entire unit h...
Year-End Buying Guide: Don't just choose based on brightness and price
The end of the year is when more people consider replacing their lighting. We'll organize key points to con...
What is Color Temperature? | How to Read Kelvin (K) and Choose by Room
Do you know what the numbers "3000K" and "5000K" on lighting packages mean? We'll clearly explain the basic...
Reading Week: Considering the Brightness and Color Temperature of a Room That Makes Books Easy to Read
With Reading Week starting at the end of October, why not consider lighting for a room that makes reading e...
6-mat or 8-mat? | Choosing the Right Mat Size and Dimming
When choosing a ceiling light, you're faced with the question, "How many tatami mats is it for?" This artic...