Mirror assembly with heater element
First Claim
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1. A mirror reflective element system for a variable reflectance vehicular mirror, said mirror reflective element system comprising:
- a front substrate having a first surface and a second surface, said second surface having a transparent second surface electrically conductive coating disposed thereon;
a rear substrate having a third surface and a fourth surface, said third surface having a third surface electrically conductive coating disposed thereon;
a heating element adhesively attached at said fourth surface of said rear substrate, said heating element comprising an attaching surface for attaching to said fourth surface, said heating element having an electrically conductive heating element established thereat, said electrically conductive heating element generating heat when powered;
said heating element including a first electrically conductive trace;
said heating element including a second electrically conductive trace;
said electrically conductive heating element and said first and said second electrically conductive traces being electrically isolated from one another;
said first electrically conductive trace providing, at least in part, an electrically conductive connection to said transparent second surface electrically conductive coating disposed on said second surface of said front substrate; and
said second electrically conductive trace providing, at least in part, an electrically conductive connection to said third surface electrically conductive coating disposed on said third surface of said rear substrate.
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Abstract
A mirror reflective element system has a front substrate having a first surface and a second surface, the second surface having a transparent second surface electrically conductive coating disposed thereon, and a rear substrate that has a third surface and a fourth surface, the third surface having a third surface electrically conductive coating disposed thereon. An attaching surface of a heating element is attached at the fourth surface. The heating element has an electrically conductive heating element established thereat and includes first and second electrically conductive traces. The electrically conductive heating element and the first and second electrically conductive traces are electrically isolated from one another. The first electrically conductive trace provides, at least in part, an electrically conductive connection to the transparent second surface electrically conductive coating, and the second electrically conductive trace provides, at least in part, an electrically conductive connection to the third surface electrically conductive coating.
161 Citations
17 Claims
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1. A mirror reflective element system for a variable reflectance vehicular mirror, said mirror reflective element system comprising:
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a front substrate having a first surface and a second surface, said second surface having a transparent second surface electrically conductive coating disposed thereon; a rear substrate having a third surface and a fourth surface, said third surface having a third surface electrically conductive coating disposed thereon; a heating element adhesively attached at said fourth surface of said rear substrate, said heating element comprising an attaching surface for attaching to said fourth surface, said heating element having an electrically conductive heating element established thereat, said electrically conductive heating element generating heat when powered; said heating element including a first electrically conductive trace; said heating element including a second electrically conductive trace; said electrically conductive heating element and said first and said second electrically conductive traces being electrically isolated from one another; said first electrically conductive trace providing, at least in part, an electrically conductive connection to said transparent second surface electrically conductive coating disposed on said second surface of said front substrate; and said second electrically conductive trace providing, at least in part, an electrically conductive connection to said third surface electrically conductive coating disposed on said third surface of said rear substrate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A mirror reflective element system for a variable reflectance vehicular mirror, said mirror reflective element system comprising:
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a front substrate having a first surface and a second surface, said second surface having a transparent second surface electrically conductive coating disposed thereon; a rear substrate having a third surface and a fourth surface, said third surface having a third surface electrically conductive coating disposed thereon; a heating element attached at said fourth surface of said rear substrate, said heating element comprising an attaching surface for attaching to said fourth surface, said heating element having an electrically conductive heating element established thereat, said electrically conductive heating element generating heat when powered; said heating element including a first electrically conductive trace; said heating element including a second electrically conductive trace; said electrically conductive heating element and said first and said second electrically conductive traces being electrically isolated from one another; said first electrically conductive trace providing, at least in part, an electrically conductive connection to said transparent second surface electrically conductive coating disposed on said second surface of said front substrate; said second electrically conductive trace providing, at least in part, an electrically conductive connection to said third surface electrically conductive coating disposed on said third surface of said rear substrate; wherein said heating element comprises a flexible heater pad comprising a flexible polymeric substrate; wherein each of said electrically conductive heating element, said first electrically conductive trace and said second electrically conductive trace terminate at an electrical connector, said termination being at a flexible ribbon portion of said heater element that generally extends from a portion of said heater element that attaches to said fourth surface of said second substrate; and wherein said second surface of said front substrate is spaced apart from said third surface of said rear substrate and with an electrochromic medium disposed therebetween, and wherein said third surface electrically conductive coating comprises a metallic thin film layer, said metallic thin film layer being both electrically conductive and mirror-reflective, and wherein a mirror-reflective perimeter band comprising at least one metallic thin film layer is disposed at said second surface of said front substrate, said perimeter band generally circumscribing a perimeter portion of said second surface of said front substrate. - View Dependent Claims (13, 14, 15, 16, 17)
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Specification
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Current AssigneeDonnelly Corporation (Magna International Incorporated)
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Original AssigneeDonnelly Corporation (Magna International Incorporated)
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InventorsHabibi, Hamid, McCabe, Ian A., Byers, Donald C., Lynam, Niall R.
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Primary Examiner(s)AMARI, ALESSANDRO V
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Application NumberUS12/170,867Publication NumberTime in Patent Office467 DaysField of Search359/265, 359/871, 359/872, 359/883, 219/219US Class Current219/219CPC Class CodesB60R 1/088 using a cell of electricall...G02B 7/1815 with cooling or heating sys...
