| abstract |
The present invention provides a blind characterized by having a function of decomposing harmful gases and odors not only by sunlight but also by irradiation with an indoor visible light source. When the color of a tungsten oxide photocatalyst powder is expressed in an L * a * b * color system on at least one member constituting a blind, a * is −5 or less and b * is − Applying a visible light responsive photocatalyst powder having a color of 5 or more and L * of 50 or more, and irradiating visible light such as sunlight or fluorescent light, the indoor odor and dirt are decomposed. [Selection] Figure 1 |