Exterior mirror element with wide angle portion
First Claim
1. A mirror reflective element suitable for use in an exterior rearview mirror assembly of a vehicle, said mirror reflective element comprising:
- a glass substrate having a front surface and a rear surface;
a principal reflector portion and an auxiliary wide angle curved portion;
wherein said principal reflector portion comprises a principal mirror reflector established at said glass substrate;
wherein said auxiliary wide angle curved portion comprises a curved recess established at a region of said rear surface of said glass substrate by at least one of grinding and ablating;
wherein said auxiliary wide angle curved portion comprises an auxiliary mirror reflector established at said curved recess;
wherein said curved recess has a cross-dimension size that is in the range from about 30 millimeters to about 80 millimeters;
wherein said curved recess comprises a radius of curvature that is in the range from about 200 millimeters to about 1,000 millimeters; and
wherein said curved recess has a maximum recess depth that is in the range from about 0.11 millimeters to about 4.04 millimeters.
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Accused Products
Abstract
A mirror reflective element suitable for use in an exterior rearview mirror assembly of a vehicle includes a glass substrate and a principal reflector portion and an auxiliary wide angle curved portion. The auxiliary wide angle curved portion has a curved recess established at a region of the rear surface of the glass substrate by at least one of grinding and ablating. The curved recess may have a cross-dimension size that is in the range from about 30 millimeters to about 80 millimeters, and may have a radius of curvature that is in the range from about 200 millimeters to about 1,000 millimeters, and may have a maximum recess depth that is in the range from about 0.11 millimeters to about 4.04 millimeters.
402 Citations
118 Claims
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1. A mirror reflective element suitable for use in an exterior rearview mirror assembly of a vehicle, said mirror reflective element comprising:
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a glass substrate having a front surface and a rear surface; a principal reflector portion and an auxiliary wide angle curved portion; wherein said principal reflector portion comprises a principal mirror reflector established at said glass substrate; wherein said auxiliary wide angle curved portion comprises a curved recess established at a region of said rear surface of said glass substrate by at least one of grinding and ablating; wherein said auxiliary wide angle curved portion comprises an auxiliary mirror reflector established at said curved recess; wherein said curved recess has a cross-dimension size that is in the range from about 30 millimeters to about 80 millimeters; wherein said curved recess comprises a radius of curvature that is in the range from about 200 millimeters to about 1,000 millimeters; and wherein said curved recess has a maximum recess depth that is in the range from about 0.11 millimeters to about 4.04 millimeters. - 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)
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36. A mirror reflective element suitable for use in an exterior rearview mirror assembly of a vehicle, said mirror reflective element comprising:
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a glass substrate having a front surface and a rear surface; a principal reflector portion and an auxiliary wide angle curved portion; wherein said principal reflector portion comprises a principal mirror reflector established at said glass substrate; wherein said auxiliary wide angle curved portion comprises a curved recess established at a region of said rear surface of said glass substrate by grinding; wherein said curved recess is generally circular-shaped; wherein said auxiliary wide angle curved portion comprises an auxiliary mirror reflector established at said curved recess; wherein said auxiliary wide angle curved portion is inboard of a perimeter edge of said mirror reflective element, and wherein said principal reflector portion of said mirror reflective element surrounds said auxiliary wide angle curved portion of said mirror reflective element; wherein said curved recess has a cross-dimension size that is less than about 70 millimeters; wherein said curved recess comprises a radius of curvature that is less than about 800 millimeters; and wherein said curved recess has a maximum recess depth that is in the range from about 0.11 millimeters to about 3.09 millimeters. - View Dependent Claims (37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53)
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54. A mirror reflective element suitable for use in an exterior rearview mirror assembly of a vehicle, said mirror reflective element comprising:
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a glass substrate having a front surface and a rear surface; a principal reflector portion and an auxiliary wide angle curved portion; wherein said principal reflector portion comprises a principal mirror reflector comprising a metallic reflector established at said rear surface of said glass substrate; wherein said auxiliary wide angle curved portion comprises a curved recess established at a region of said rear surface of said glass substrate by at least one of grinding and ablating; wherein said auxiliary wide angle curved portion comprises an auxiliary mirror reflector established at said curved recess; wherein said auxiliary wide angle curved portion is inboard of a perimeter edge of said mirror reflective element, wherein said curved recess is generally circular-shaped; wherein said curved recess has a cross-dimension size that is less than about 80 millimeters; wherein said curved recess comprises a radius of curvature that is less than about 1,000 millimeters; and wherein said curved recess has a maximum recess depth that is in the range from about 0.11 millimeters to about 4.04 millimeters. - View Dependent Claims (55, 56, 57, 58, 59, 60, 61)
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62. A mirror reflective element suitable for use in an exterior rearview mirror assembly of a vehicle, said mirror reflective element comprising:
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a glass substrate having a front surface and a rear surface; a principal reflector portion and an auxiliary wide angle curved portion; wherein said principal reflector portion comprises a principal mirror reflector established at said front surface of said glass substrate and wherein said principal mirror reflector comprises a metallic reflector and wherein said principal mirror reflector comprises a light-transmitting aperture; wherein said auxiliary wide angle curved portion comprises a curved recess established at a region of said rear surface of said glass substrate by at least one of grinding and ablating; wherein said auxiliary wide angle curved portion comprises an auxiliary mirror reflector established at said curved recess; wherein said auxiliary wide angle curved portion is inboard of a perimeter edge of said mirror reflective element, wherein said light-transmitting aperture substantially corresponds to said auxiliary wide angle curved portion of said mirror reflective element; wherein said curved recess is generally circular-shaped; wherein said curved recess has a cross-dimension size that is less than about 80 millimeters; wherein said curved recess comprises a radius of curvature that is less than about 1,000 millimeters; and wherein said curved recess has a maximum recess depth that is in the range from about 0.11 millimeters to about 4.04 millimeters. - View Dependent Claims (63, 64, 65)
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66. A mirror reflective element suitable for use in an exterior rearview mirror assembly of a vehicle, said mirror reflective element comprising:
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a glass substrate having a front surface and a rear surface; a principal reflector portion and an auxiliary wide angle curved portion; wherein said principal reflector portion comprises a principal mirror reflector established at said glass substrate; wherein said auxiliary wide angle curved portion comprises a curved recess established at a region of said rear surface of said glass substrate by at least one of grinding and ablating; wherein said auxiliary wide angle curved portion comprises an auxiliary mirror reflector established at said curved recess; wherein said auxiliary wide angle curved portion is inboard of a perimeter edge of said mirror reflective element, and wherein said principal reflector portion of said mirror reflective element surrounds said auxiliary wide angle curved portion of said mirror reflective element; wherein said curved recess has a cross-dimension size that is less than about 70 millimeters; wherein said curved recess comprises a radius of curvature that is less than about 1,000 millimeters; and wherein said curved recess has a maximum recess depth that is in the range from about 0.11 millimeters to about 3.09 millimeters. - View Dependent Claims (67, 68, 69, 70)
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71. A mirror reflective element suitable for use in an exterior rearview mirror assembly of a vehicle, said mirror reflective element comprising:
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a glass substrate having a front surface and a rear surface; a principal reflector portion and an auxiliary wide angle curved portion; wherein said principal reflector portion comprises a principal mirror reflector established at said rear surface of said glass substrate; wherein said auxiliary wide angle curved portion comprises a curved recess established at a region of said rear surface of said glass substrate by at least one of grinding and ablating; wherein said auxiliary wide angle curved portion comprises an auxiliary mirror reflector established at said curved recess; wherein said curved recess has a cross-dimension size that is less than about 80 millimeters; wherein said curved recess comprises a radius of curvature that is less than about 1,000 millimeters; wherein said curved recess has a maximum recess depth that is in the range from about 0.11 millimeters to about 4.04 millimeters; wherein said principal mirror reflector of said principal reflector portion comprises a principal reflecting coating and wherein said auxiliary minor reflector of said auxiliary wide angle curved portion comprises a wide angle reflector coating; wherein said wide angle reflector coating of said auxiliary mirror reflector of said auxiliary wide angle curved portion and said principal reflecting coating of said principal reflector portion comprise the same material; wherein said glass substrate comprises a curved glass substrate; and wherein said mirror reflective element comprises a fixed reflectance non-electro-optic mirror reflective element. - View Dependent Claims (72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84)
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85. A mirror reflective element suitable for use in an exterior rearview mirror assembly of a vehicle, said mirror reflective element comprising:
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a glass substrate having a front surface and a rear surface; a principal reflector portion and an auxiliary wide angle curved portion; wherein said principal reflector portion comprises a principal mirror reflector comprising a metallic reflector established at said rear surface of said glass substrate; wherein said auxiliary wide angle curved portion comprises a curved recess established at a region of said rear surface of said glass substrate by at least one of grinding and ablating; wherein said auxiliary wide angle curved portion comprises an auxiliary mirror reflector established at said curved recess; wherein said auxiliary wide angle curved portion is inboard of a perimeter edge of said mirror reflective element; wherein said curved recess has a cross-dimension size that is less than about 80 millimeters; wherein said curved recess comprises a radius of curvature that is less than about 1,000 millimeters; wherein said curved recess has a maximum recess depth that is in the range from about 0.11 millimeters to about 4.04 millimeters; and wherein a heater pad is disposed at said rear surface of said glass substrate and wherein said heater pad is fixedly secured by an adhesive at said rear surface of said glass substrate at both of (i) said auxiliary wide angle curved portion and (ii) said principal reflector portion. - View Dependent Claims (86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99)
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100. A minor reflective element suitable for use in an exterior rearview mirror assembly of a vehicle, said minor reflective element comprising:
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a glass substrate having a front surface and a rear surface; a principal reflector portion and an auxiliary wide angle curved portion; wherein said principal reflector portion comprises a principal mirror reflector comprising a metallic reflector established at said rear surface of said glass substrate; wherein said auxiliary wide angle curved portion comprises a curved recess established at a region of said rear surface of said glass substrate by at least one of grinding and ablating; wherein said auxiliary wide angle curved portion comprises an auxiliary mirror reflector established at said curved recess; wherein said curved recess has a cross-dimension size that is less than about 60 millimeters; wherein said curved recess comprises a radius of curvature that is less than about 800 millimeters; wherein said curved recess has a maximum recess depth that is in the range from about 0.11 millimeters to about 2.26 millimeters; wherein said principal minor reflector of said principal reflector portion comprises a principal reflecting coating and wherein said auxiliary mirror reflector of said auxiliary wide angle curved portion comprises a wide angle reflector coating; and wherein said wide angle reflector coating of said auxiliary minor reflector of said auxiliary wide angle curved portion and said principal reflecting coating of said principal reflector portion comprise the same material. - View Dependent Claims (101, 102, 103, 104, 105, 106, 107, 108, 109)
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110. A mirror reflective element suitable for use in an exterior rearview mirror assembly of a vehicle, said mirror reflective element comprising:
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a glass substrate having a front surface and a rear surface; a principal reflector portion and an auxiliary wide angle curved portion; wherein said principal reflector portion comprises a principal mirror reflector established at said rear surface of said glass substrate; wherein said auxiliary wide angle curved portion comprises a curved recess established at a region of said rear surface of said glass substrate by at least one of grinding and ablating; wherein said auxiliary wide angle curved portion comprises an auxiliary mirror reflector established at said curved recess; wherein said curved recess has a cross-dimension size that is less than about 70 millimeters; wherein said curved recess comprises a radius of curvature that is less than about 800 millimeters; wherein said curved recess has a maximum recess depth that is in the range from about 0.11 millimeters to about 3.09 millimeters; wherein said glass substrate comprises a curved glass substrate; wherein said mirror reflective element comprises a fixed reflectance non-electro-optic mirror reflective element; and wherein a heater pad is disposed at said rear surface of said glass substrate. - View Dependent Claims (111, 112, 113, 114, 115, 116, 117, 118)
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Specification