THERMOCHROMIC WINDOW STRUCTURES
First Claim
Patent Images
1. A sunlight responsive thermochromic (SRT) device comprising:
- a layer of a thermochromic material that reversibly increases in its absorption of visible and NIR radiation when the temperature of the thermochromic material increases and a net decrease in their ability to absorb visible and/or NIR radiation as the temperature of the system decreases for temperatures within the active range of the system, a pair of transparent substrates, the layer of the thermochromic material being interposed between the substrates to form a laminate having a peripheral edge;
the peripheral edge being sealed.
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Abstract
An energy efficient, thermochromic device that may be used to allow sunlight or solar radiation into a building or structure when sunlight is absent or at high sun angles and substantially blocks solar radiation when sunlight is directly on the window.
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Citations
38 Claims
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1. A sunlight responsive thermochromic (SRT) device comprising:
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a layer of a thermochromic material that reversibly increases in its absorption of visible and NIR radiation when the temperature of the thermochromic material increases and a net decrease in their ability to absorb visible and/or NIR radiation as the temperature of the system decreases for temperatures within the active range of the system, a pair of transparent substrates, the layer of the thermochromic material being interposed between the substrates to form a laminate having a peripheral edge;
the peripheral edge being sealed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 38)
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16. A window comprising at least one pane of glass or plastic, and
an SRT device including a layer of a thermochromic material that reversibly increases in its absorption of visible and NIR radiation when the temperature of the thermochromic material increases, a pair of transparent substrates, the layer of the thermochromic material being interposed between the substrates to form a laminate having a peripheral edge, the peripheral edge being sealed; - and
a space between the pane of glass and the SRT device. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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37. A sunlight responsive thermochromic (SRT) device comprising:
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a layer of a thermochromic material that reversibly increases in its absorption of visible and NIR radiation when the temperature of the thermochromic material increases and a net decrease in their ability to absorb visible and/or NIR radiation as the temperature of the system decreases for temperatures within the active range of the system, a pair of transparent substrates, the layer of the thermochromic material being interposed between the substrates to form a laminate wherein the thermochromic material includes one or more transition metal ions that reversibly form complexes with one or more HeL'"'"'s when the temperature of the thermochromic material increases and reversibly form complexes with LEL'"'"'s when the temperature of the thermochromic material decreases.
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Specification