太陽光と照明の科学
liproが発信する、光と暮らしの知識
Autumn Nights and Reading Lamps｜Legibility is determined by color rendering
Autumn evenings are perfect for reading. When creating ideal reading light, brightness isn't the only factor; color rendering, which makes text and paper colors appear natural, ...
October 10th is Eye Care Day | Reconsidering Daily Lighting and Eye Strain
October 10th is "Eye Care Day." Not only smartphones and computers, but also the lighting in a room affects eye...
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 article explains...
As the long autumn nights begin | How to adjust your lighting for the long nights
As autumn arrives, the sun sets earlier, and the evenings spent at home grow longer. We will introduce how to...
Lighting for Elderly Parents' Rooms | Considering Age, Brightness, and Glare
It is said that as we age, the same room can start to feel "dark." This guide organizes how to...
Give the Gift of Easy-to-See Brightness | Lighting Gifts for Respect for the Aged Day
How about a "bright and easy-to-see" gift for Respect for the Aged Day that they can use every day? Here's...
What to do about lighting during a power outage | Being prepared with rechargeable lights
When there's a power outage due to an earthquake or typhoon, having a light nearby brings peace of mind. We'll...