
- Hitachi Chemical's SPD Film provides exceptional comfort because it allows users to quickly control the amount of light, glare and heat passing through windows and other "SPD-Smart" products. Highlights of SPD Film sales include a very large installation in a conference room and classrooms at Indiana University.
Hitachi Chemical has developed SPD (Suspended Particle Device) Film - "LCF-1103DHA" - through a technical license agreement with Research Frontiers Inc.
Composition
* Control the transmittance of light and glare by adjusting AC voltage to the SPD Film.
Example of SPD Film lamination
Features
Widely control light transmittance
- * 2 SPD Film types available (“Light” and “Dark”); Both are controllable for a wide range of transparency.
| Type |
Light color |
Dark color |
| Transmittance |
OFF |
1-2% |
<1.0% |
| ON(AC) 50V |
45-55% |
30-35% |
| ON(AC) 100V |
60-65% |
48-53% |
| Haze(ON_100V) |
<6% |
<6% |
| Light color |
|
Dark color |
 |
Fast Switching
- * Quickly switch from dark blue to clear.(Speed: 1-3s)
Variety of Shapes and Sizes
- * Applicable for tall and wide surfaces, curves and small designs.
 |
 |
| Curved surface |
Reduce Heat Build-up From Sunlight
* SPD Film effectively helps reduce heat gain caused by sunlight.
| Glass |
SHGC |
| Clear single pane |
0.72 |
| SPD + Clear Glass |
0.13-0.57 |
| 1) |
Data source is DSET Laboratories and RFI(Research Frontiers Inc.) |
| 2) |
Example: |
SHGC 0.4=40% of sun's heat enters
The lower the SHGC number shows the less heat enters. |
Applications
Applicable for architectural window and partition and aircraft, marine, automobile and so on.
Office entrance
Office entrance
(Expanded version)
| Automobile, marine, aircraft use |
Architectural window, electrical appliance & Partition use etc. |
 |
 |
*1 Supplied by InspecTech Aero Service, Inc.
*2 Supplied by Research Frontiers Inc.
*3 Supplied by Innovative Glass Corp.
License
Purchasers of SPD Film must first obtain a commercial license from Research Frontiers Inc.

- * Hitachi Chemical only supply SPD Film. However, if you have any questions about Bus-bar processing and license etc., please free to contact us.
Inquiries
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- Hitachi Chemical Co., Ltd.
- Marketing Center Automotive Products Business Headquarters
Phone:81-3-5320-9434/9436 Fax:81-3-5320-9674
