Electrochromic mirrors and devices
First Claim
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1. An electrochromic rearview mirror for a motor vehicle comprising;
- (a) a first substantially transparent front substrate having a first and a second surface and coated with a substantially transparent conductive electrode coating on its second surface;
(b) a rear substrate having a third and a fourth surface, said rear substrate positioned in spaced-apart relationship with said front substrate and with the third surface of said rear substrate opposing the second surface of said front substrate;
(c) a partially transmitting/substantially reflecting mirror reflector disposed on the third surface of said rear substrate;
(d) a seal positioned toward a peripheral edge of each of said front substrate and said rear substrate and forming a cavity therebetween;
(e) an electrochromic medium disposed in said cavity and contacting said substantially transparent conductive electrode coating of said front substrate and said partially transmitting/substantially reflecting mirror reflector disposed on the third surface of said rear substrate;
(f) said mirror reflector comprising at least one metal layer, said mirror reflector reflecting at least about 55% of visible light incident thereon;
(g) a display device disposed behind said fourth surface of said rear substrate such that light emitted by said display device passes through said rear substrate, through said partially transmitting/substantially reflecting mirror reflector, through said substantially transparent conductive electrode coating and through said front substrate when said display device is electrically powered; and
(h) said rear substrate with said partially transmitting/substantially reflecting mirror reflector disposed on the third surface thereof having a visible light transmission in the range from about 1% transmission to about 30% transmission.
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Abstract
An electrochromic rearview mirror suitable for a motor vehicle is disclosed. The mirror includes a display device disposed behind the rear substrate.
283 Citations
145 Claims
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1. An electrochromic rearview mirror for a motor vehicle comprising;
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(a) a first substantially transparent front substrate having a first and a second surface and coated with a substantially transparent conductive electrode coating on its second surface; (b) a rear substrate having a third and a fourth surface, said rear substrate positioned in spaced-apart relationship with said front substrate and with the third surface of said rear substrate opposing the second surface of said front substrate; (c) a partially transmitting/substantially reflecting mirror reflector disposed on the third surface of said rear substrate; (d) a seal positioned toward a peripheral edge of each of said front substrate and said rear substrate and forming a cavity therebetween; (e) an electrochromic medium disposed in said cavity and contacting said substantially transparent conductive electrode coating of said front substrate and said partially transmitting/substantially reflecting mirror reflector disposed on the third surface of said rear substrate; (f) said mirror reflector comprising at least one metal layer, said mirror reflector reflecting at least about 55% of visible light incident thereon; (g) a display device disposed behind said fourth surface of said rear substrate such that light emitted by said display device passes through said rear substrate, through said partially transmitting/substantially reflecting mirror reflector, through said substantially transparent conductive electrode coating and through said front substrate when said display device is electrically powered; and (h) said rear substrate with said partially transmitting/substantially reflecting mirror reflector disposed on the third surface thereof having a visible light transmission in the range from about 1% transmission to about 30% transmission. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
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42. An electrochromic rearview mirror for a motor vehicle comprising;
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(a) a first substantially transparent front substrate having a first and a second surface and coated with a substantially transparent conductive electrode coating on its second surface; (b) a rear substrate having a third and a fourth surface, said rear substrate positioned in spaced-apart relationship with said front substrate and with the third surface of said rear substrate opposing the second surface of said front substrate; (c) a partially transmitting/substantially reflecting mirror reflector disposed on the third surface of said rear substrate; (d) a seal positioned toward a peripheral edge of each of said front substrate and said rear substrate and forming a cavity therebetween; (e) an electrochromic medium disposed in said cavity and contacting said substantially transparent conductive electrode coating of said front substrate and said partially transmitting/substantially reflecting mirror reflector disposed on the third surface of said rear substrate; (f) said mirror reflector comprising at least one metal layer, said mirror reflector reflecting at least about 55% of visible light incident thereon; (g) a display device disposed behind said fourth surface of said rear substrate such that light emitted by said display device passes through said rear substrate, through said partially transmitting/substantially reflecting mirror reflector, through said substantially transparent conductive electrode coating and through said front substrate when said display device is electrically powered; and (h) said rear substrate with said partially transmitting/substantially reflecting mirror reflector disposed on the third surface thereof having a visible light transmission in the range from about 1% transmission to about 30% transmission. (i) wherein light absorbing means that substantially absorb visible light are disposed substantially across said fourth surface of said rear substrate except generally at where said display device is disposed. - View Dependent Claims (43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93)
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94. An electrochromic rearview mirror for a motor vehicle comprising;
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(a) a first substantially transparent front substrate having a first and a second surface and coated with a substantially transparent conductive electrode coating on its second surface; (b) a rear substrate having a third and a fourth surface, said rear substrate positioned in spaced-apart relationship with said front substrate and with the third surface of said rear substrate opposing the second surface of said front substrate; (c) a partially transmitting/substantially reflecting mirror reflector disposed on the third surface of said rear substrate; (d) a seal positioned toward a peripheral edge of each of said front substrate and said rear substrate and forming a cavity therebetween; (e) an electrochromic medium disposed in said cavity and contacting said substantially transparent conductive electrode coating of said front substrate and said partially transmitting/substantially reflecting mirror reflector disposed on the third surface of said rear substrate; (f) said mirror reflector comprising at least one metal layer, said mirror reflector reflecting at least about 55% of visible light incident thereon; (g) a display device disposed behind said fourth surface of said rear substrate such that light emitted by said display device passes through said rear substrate, through said partially transmitting/substantially reflecting mirror reflector, through said substantially transparent conductive electrode coating and through said front substrate when said display device is electrically powered; (h) wherein light absorbing means that substantially absorb visible light are disposed substantially across said fourth surface of said rear substrate except generally at where said display device is disposed; and (i) wherein said display device comprises at least one of a fluorescent display device, a light emitting diode display device, a gas discharge display device, a plasma display device and an electroluminescent display device. - View Dependent Claims (95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145)
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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, Varaprasad, Desaraju V., McCabe, Ian A., Dornan, Craig A., Zhao, Mingtang, Lynam, Niall R.
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Primary Examiner(s)Nguyen, Thong Q
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Application NumberUS10/971,456Publication NumberTime in Patent Office494 DaysField of Search359265-275, 359601-615, 359/838, 359883-884US Class Current359/603CPC Class CodesB32B 17/06 comprising glass as the mai...B32B 17/10036 comprising two outer glass ...B32B 17/10293 Edge features, e.g. inserts...B32B 17/10513 Electrochromic layerB60J 3/04 adjustable in transparencyB60Q 1/2665 on rear-view mirrors lighti...B60R 1/04 mounted inside vehicle B60R...B60R 1/082 using a single wide field m...B60R 1/088 using a cell of electricall...B60R 1/12 Mirror assemblies combined ...B60R 1/1207 with lamps; with turn indic...B60R 2001/1215 with information displaysG02F 1/1516 comprising organic materialG02F 1/1524 Transition metal compoundsG02F 1/1525 characterised by a particul...
