MobilityAD/ADAS
In the connected and AD/ADAS fields, it supports the enhancement of
sensing functions and high-speed communication from the material aspect.
Electrochromic Sheet (Under Development)
Resin sheet that can freely change transmittance
in seconds with small amount of electric power
Advantage
Resin sheet that can freely change transmittance
in seconds with small amount of electric power
Comparison of chromic technology
| Electrochromic (Sumitomo) |
Electrochromic (Other technology) |
Liquid crystal | Photochromic | |
|---|---|---|---|---|
| Transmittance dynamic range | Excellent (80-10％） |
Good (70-35％) |
Not good (35-2％) |
Good (80-20％) |
| Color change speed | Good (in seconds) |
Good (in seconds) |
Excellent (<in seconds) |
Not good (in minutes) |
| Memorability | Excellent (Yes) |
Not good (No) |
Not good (No) |
Not good (No) |
| 3D formability | Excellent (3D formable) |
Not good (Only 2D) |
Not good (Only 2D) |
Good (Coating or compound) |
| Color variation | Good (Adjustable) |
Not good (Only blue) |
Not good (Only black) |
Good (Adjustable) |
| Safety | Good (No liquid) |
Not good (Liquid inside) |
Not good (Liquid inside) |
Good (No liquid) |
| Dimming control | Good (Able to control) |
Good (Able to control) |
Good (Able to control) |
Not Good (Depending on UV light) |
Contribute to power saving, improved visibilityand design
Application example
HUD
Automatic
anti-glare mirror
Smart glass
