SBIR/STTR Research Award

LIQUID CRYSTAL SMART WINDOWS

Award identifier 8796ae197c70640bf101239731fef1f5bf12e2ec54fe98e6c63646669e302251Awarding agency Department of Energy

Award amount

$74,780

Program and phase

SBIR · Phase I

Award year

1993

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Award 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

Agency intelligence

Department of Energy

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