US Patent No: 7,564,628
Number of patents in Portfolio can not be more than 2000
Multiple band reflector with metal and dielectric layers
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Jul 21, 2009
Issued date -
Jun 6, 2006
filing date -
11/422,597
serial no -
In Force
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Abstract
Now, according to the present invention, multiple band optical reflectors are provided that utilize a stack of metal and dielectric layers to create a reflection curve in the visible spectrum that has multiple peak intensities. Reflectors of the present invention comprise at least two dielectric layers that have differing thicknesses, with metal layers disposed therebetween. The use of metal layers in the present invention, as opposed to using alternating layers of dielectric materials, results in a reflector that is substantially thinner than a conventional two dielectric reflector.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 6,157,486 Retroreflective dichroic reflector | 55 | 1998 | |
| 6,531,230 Color shifting film | 109 | 1998 | |
| 6,760,157 Brightness enhancement film | 83 | 2000 | |
| 2004/0127,594 Curable pressure sensitive adhesive compositions | 8 | 2002 | |
| 2004/0184,150 Polymeric optical film | 6 | 2004 | |
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| 6,835,796 Optical film and method of producing the same, optical element, and image display device | 2 | 2002 | |
| 7,042,540 Optical film and display system | 5 | 2003 | |
| 2006/0108,050 Adhesive optical film, method for manufacturing adhesive optical film and image display | 12 | 2003 | |
| 7,052,747 Birefringent optical film, elliptically polarizing plate using the same, and liquid crystal display using the same | 3 | 2003 | |
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| 4,930,866 Thin film optical variable article and method having gold to green color shift for currency authentication | 56 | 1988 | |
| 5,214,530 Optically variable interference device with peak suppression and method | 76 | 1991 | |
| 2004/0094,850 Methods for forming security articles having diffractive surfaces and color shifting backgrounds | 21 | 2003 | |
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| 4,705,356 Thin film optical variable article having substantial color shift with angle and method | 113 | 1984 | |
| 5,783,360 Flexible optical medium with dielectric protective overcoat | 8 | 1997 | |
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| 6,034,820 Dielectric optical filter with absorptive metal layer | 4 | 1998 | |
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| 6,031,653 Low-cost thin-metal-film interference filters | 163 | 1998 | |
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| 2006/0222,796 Structure comprising metallized film and ethylene copolymer | 1 | 2005 | |
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| 5,993,950 Metal coated substrates | 18 | 1997 | |
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| 6,159,607 Heat treatable, durable, ir-reflecting sputter-coated glasses and method of making same | 54 | 1999 | |
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| 6,896,938 Metallized film, method for the production thereof, and use thereof | 3 | 2003 | |
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| 5,179,469 Broad band light absorbing film | 6 | 1992 | |
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| 5,948,538 Glazing assembly comprising a substrate provided with a stack of thin layers for solar protection and/or thermal insulation | 65 | 1997 | |
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| 6,034,813 Wavelength selective applied films with glare control | 27 | 1998 | |
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| 6,262,830 Transparent metallo-dielectric photonic band gap structure | 38 | 1997 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Jan 21, 2013 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jan 21, 2017 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 21, 2021 |
| Fee | Large entity fee | small entity fee | micro entity fee |
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| Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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