SBIR/STTR Research Award
LIQUID CRYSTAL SMART WINDOWS
Award amount
$74,780Program and phase
SBIR · Phase IAward year
1993Award details
- Awarding agency
- Department of Energy
- Branch
- Not reported
- Recipient company
- Meyer And Lonberg Associates
- Proposal award date
- Not reported
- Contract end date
- Not reported
- UEI
- Not reported
- Solicitation number
- Not reported
- Topic code
- Not reported
Research abstract
THIS PHASE I PROJECT WILL STUDY THE USE OF CHOLESTERIC LIQUID CRYSTALS TO MAKE SMART WINDOWS WHICH CHANGE EASILY BETWEEN TRANSPARENT AND REFLECTIVE FOR CONTROLLING THE TRANSMISSION OF SOLAR ENERGY. THE OBJECTIVE OF THIS EFFORT IS THE DEMONSTRATION OF THE FEASIBILITY OF USING CHOLESTERIC LIQUID CRYSTALS IN THIS WAY. THE BASIC MECHANISM FOR A FEEDBACK STABILIZED, LIGHT MODULATED REFLECTOR WHICH TRANSMITS A CONSTANT LIGHT FLUX INDEPENDENT OF CHANGES IN THE INCIDENT LIGHT INTENSITY WILL BE EXPLORED. ALSO, MEASUREMENT, OF THE BROADENING OF THE OPTICAL REFLECTION BAND OF A CHOLESTERIC LIQUID CRYSTAL CAUSED BY A SPATIAL GRADIENT IN THE PITCH OF ITS PERIODIC HELICAL STRUCTURE WILL BE MADE, AND THE MATERIAL REQUIREMENTS INVOLVED IN OPTIMIZING THE PERFORMANCE OF CHOLESTERIC REFLECTORS WILL BE INVESTIGATED.
Technology keywords
Not reported