최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0954982 (2007-12-12) |
등록번호 | US-7494231 (2009-02-24) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 125 인용 특허 : 498 |
A vehicular signal mirror includes a reflective mirror element comprising a mirror reflector on a light-transmitting substrate. The visible light reflectance is at least about 40% for visible light incident upon the front side of the reflective mirror element. A turn signal light display and/or a b
A vehicular signal mirror includes a reflective mirror element comprising a mirror reflector on a light-transmitting substrate. The visible light reflectance is at least about 40% for visible light incident upon the front side of the reflective mirror element. A turn signal light display and/or a blind-spot indicator light display is disposed to the rear of the reflective mirror element and configured so that the light emitted by the light display passes through the reflective mirror element to be viewed by a viewer viewing from the front of the reflective mirror element. The light display exhibits, when electrically powered and when operated in the vehicle during day time driving conditions, a display luminance of at least about 30 foot lamberts as measured with the light display placed behind, and emitting light through, the reflective mirror element.
What we claim is: 1. A signal mirror for a vehicle comprising: a reflective mirror element having a front side and a rear side; said reflective mirror element comprising a semitransparent mirror reflector coated onto a light-transmitting substrate; wherein visible light transmission through said re
What we claim is: 1. A signal mirror for a vehicle comprising: a reflective mirror element having a front side and a rear side; said reflective mirror element comprising a semitransparent mirror reflector coated onto a light-transmitting substrate; wherein visible light transmission through said reflective mirror element is at least about 3% visible light transmission; wherein visible light reflectance by said reflective mirror element is at least about 40% visible light reflectance for visible light incident upon the front side of said reflective mirror element; wherein said reflective mirror element does not exhibit substantial spectral selectivity in its reflectance of visible light incident upon the front side of said reflective mirror element and wherein said reflective mirror element does not exhibit substantial spectral selectivity in its transmission of visible light incident upon the rear side of said reflective mirror element; said semitransparent mirror reflector comprising a metal thin film layer, wherein said metal thin film layer is overcoated with an overcoating layer and wherein at least one of (a) said overcoating layer comprises another metal thin film layer of visible light reflectance higher than that of said metal thin film layer, (b) said overcoating layer comprises a transparent electrically conductive metal oxide layer, (c) said metal thin film layer is undercoated with an undercoating layer, (d) said metal thin film layer is undercoated with an undercoating layer comprising a transparent electrically conductive metal oxide layer and (e) said metal thin film layer is undercoated with an undercoating layer comprising a transparent indium thin oxide conductive metal oxide layer having a layer thickness of at least about 50 angstroms; and at least one of (a) a turn signal light display that emits visible light upon actuation of a turn signal by a driver of a vehicle equipped with said reflective mirror element, said turn signal light display disposed to the rear of the rear side of said reflective mirror element and configured so that said light emitted by said turn signal light display passes through said metal thin film layer of said semitransparent mirror reflector to be viewed by a viewer viewing from the front of said reflective mirror element and wherein said turn signal light display exhibits, when electrically powered and when operated in the vehicle during daytime driving conditions, a display luminance of at least about 30 foot lamberts as measured with said turn signal light display placed behind, and emitting light through, said reflective mirror element and (b) a blind-spot indicator light display that emits visible light upon a detection by a blind-spot detector that is part of a vehicle equipped with said blind-spot indicator light display, said blind-spot indicator light display disposed to the rear of the rear side of said reflective mirror element and configured so that said light emitted by said blind-spot indicator light display passes through said metal thin film layer of said semitransparent mirror reflector to be viewed by a viewer viewing from the front of said reflective mirror element and wherein said blind-spot indicator light display exhibits, when electrically powered and when operated in the vehicle during day time driving conditions, a display luminance of at least about 30 foot lamberts as measured with said blind-spot indicator light display placed behind, and emitting light through, said reflective mirror element. 2. The signal mirror of claim 1, wherein said metal thin film layer comprises a metal selected from the group consisting of aluminum, palladium, platinum, molybdenum, titanium, chromium, silver, nickel and iron, and wherein said metal thin film layer has a layer thickness in the range from about 200 angstroms to about 750 angstroms. 3. The signal mirror of claim 2, wherein said reflective mirror element comprises a large area vehicular exterior rearview reflective mirror element having an area greater than about 140 square centimeters and wherein said metal thin film layer is formed by sputtering in a vacuum deposition process. 4. The signal mirror of claim 1, wherein said visible light reflectance by said reflective mirror element is in the range from about 40% visible light reflectance to about 80% visible light reflectance for visible light incident upon the front side of said reflective mirror element, and wherein, when not emitting light, the disposition of said at least one of a turn signal light display and a blind-spot indicator light display to the rear of said reflective mirror element is not substantially distinguishable to the driver of a vehicle equipped with said reflective mirror element, and wherein said metal thin film layer is formed by sputtering in a vacuum deposition process. 5. A signal mirror for a vehicle comprising: a reflective mirror element having a front side and a rear side; said reflective mirror element comprising a semitransparent mirror reflector coated onto a light-transmitting substrate; wherein visible light transmission through said reflective mirror element is at least about 3% visible light transmission; wherein visible light reflectance by said reflective mirror element is at least about 40% visible light reflectance for visible tight incident upon the front side of said reflective mirror element; wherein said reflective mirror element does not exhibit substantial spectral selectivity in its reflectance of visible light incident upon the front side of said reflective mirror element and wherein said reflective mirror element does not exhibit substantial spectral selectivity in its transmission of visible light incident upon the rear side of said reflective mirror element; said semitransparent mirror reflector comprising a metal thin film layer, wherein said metal thin film layer is undercoated with an undercoating layer and wherein at least one of (a) said undercoating coating layer comprises another metal thin film layer of visible light reflectance lower than that of said metal thin film layer, (b) said undercoating layer comprises a transparent electrically conductive metal oxide layer, (c) said undercoating layer comprising a transparent electrically conductive indium tin oxide layer having a layer thickness of at least about 50 angstroms and (d) said undercoating layer comprising a transparent electrically conductive indium tin oxide layer having a layer thickness of at least about 50 angstroms and less than about 300 angstroms; and at least one of (a) a turn signal light display that emits visible light upon actuation of a turn signal by a driver of a vehicle equipped with said reflective mirror element, said turn signal light display disposed to the rear of the rear side of said reflective mirror element and configured so that said light emitted by said turn signal light display passes through said metal thin film layer of said semitransparent mirror reflector to be viewed by a viewer viewing from the front of said reflective mirror element and wherein said turn signal light display exhibits, when electrically powered and when operated in the vehicle during day time driving conditions, a display luminance of at least about 30 foot lamberts as measured with said turn signal light display placed behind, and emitting light through, said reflective mirror element and (b) a blind-spot indicator light display that emits visible light upon a detection by a blind-spot detector that is part of a vehicle equipped with said blind-spot indicator light display, said blind-spot indicator light display disposed to the rear of the rear side of said reflective mirror element and configured so that said light emitted by said blind-spot indicator light display passes through said metal thin film layer of said semitransparent mirror reflector to be viewed by a viewer viewing from the front of said reflective mirror element and wherein said blind-spot indicator light display exhibits, when electrically powered and when operated in the vehicle during day time driving conditions, a display luminance of at least about 30 foot lamberts as measured with said blind-spot indicator light display placed behind, and emitting light through, said reflective mirror element. 6. The signal mirror of claim 5, wherein said metal thin film layer has a layer thickness of at least about 200 angstroms and a reflectivity of at least about 40% visible light reflectance for visible light incident thereon. 7. The signal mirror of claim 6, wherein said metal thin film layer comprises a metal selected from the group consisting of aluminum, palladium, platinum, molybdenum, titanium, chromium, silver, nickel and iron. 8. The signal mirror of claim 6, wherein said metal thin film layer comprises silver. 9. The signal mirror of claim 8, wherein said reflective mirror element comprises a portion of an electrochromic mirror, and wherein said electrochromic mirror comprises an electrochromic medium disposed in a cavity between a front substantially light transmitting substrate and a rear substrate, said front substantially light transmitting substrate having a front surface, said front substantially light transmitting substrate further having a rear surface that is coated with a transparent electrically conducting layer, said front substantially light transmitting substrate spaced-apart from said rear substrate and wherein said rear substrate comprises said reflective mirror element, and wherein said semitransparent mirror reflector of said reflective mirror element is disposed on the surface of the rear substrate closest to the transparent electrically conducting coated rear surface of said front substrate and wherein said electrochromic medium disposed in said cavity between said front substrate and said rear substrate comprising said reflective mirror element contacts said semitransparent mirror reflector, and wherein said electrochromic mirror reflects at least about 55% of visible light incident at said front surface of said front substantially light transmitting substrate when said electrochromic medium is in its bleached state and wherein said electrochromic mirror does not exhibit substantial spectral selectivity in its reflectance of visible light incident at said front surface of said front substantially light transmitting substrate when said electrochromic medium is in its bleached state, and wherein said electrochromic mirror transmits at least about 4% of visible light incident at the rear of said rear substrate when said electrochromic medium is in its bleached state and wherein said electrochromic mirror does not exhibit substantial spectral selectivity in its transmission of visible light passing therethrough when said electrochromic medium is in its bleached state. 10. A signal mirror for a vehicle comprising: a reflective mirror element having a front side and a rear side; said reflective mirror element comprising a semitransparent mirror reflector coated onto a light-transmitting substrate, wherein said reflective mirror element comprises a portion of an exterior electrochromic mirror, and wherein said electrochromic mirror comprises an electrochromic medium disposed in a cavity between a front substrate and said reflective mirror element, and wherein said electrochromic medium disposed in said cavity between said front substrate and said reflective mirror element contacts said semitransparent mirror reflector; wherein visible light transmission through said reflective mirror clement is at least about 3% visible light transmission; wherein visible light reflectance by said reflective mirror element is at least about 40% visible light reflectance for visible light incident upon the front side of said reflective mirror element; wherein said reflective mirror element does not exhibit substantial spectral selectivity in its reflectance of visible light incident upon the front side of said reflective mirror element and wherein said reflective mirror element does not exhibit substantial spectral selectivity in its transmission of visible light incident upon the rear side of said reflective mirror element; said semitransparent mirror reflector comprising a metal thin film layer; and at least one of (a) a turn signal light display that emits visible light upon actuation of a turn signal by a driver of a vehicle equipped with said reflective mirror element, said turn signal light display disposed to the rear of the rear side of said reflective mirror element and configured so that said light emitted by said turn signal light display passes through said metal thin film layer of said semitransparent mirror reflector to be viewed by a viewer viewing from the front of said reflective mirror element and wherein said turn signal light display exhibits, when electrically powered and when operated in the vehicle during day time driving conditions, a display luminance of at least about 30 foot lamberts as measured with said turn signal light display placed behind, and emitting light through, said reflective mirror element and (b) a blind-spot indicator light display that emits visible light upon a detection by a blind-spot detector that is part of a vehicle equipped with said blind-spot indicator light display, said blind-spot indicator light display disposed to the rear of the rear side of said reflective mirror element and configured so that said light emitted by said blind-spot indicator light display passes through said metal thin film layer of said semitransparent mirror reflector to be viewed by a viewer viewing from the front of said reflective mirror element and wherein said blind-spot indicator light display exhibits, when electrically powered and when operated in the vehicle during day time driving conditions, a display luminance of at least about 30 foot lamberts as measured with said blind-spot indicator light display placed behind, and emitting light through, said reflective mirror element. 11. The signal mirror of claim 10, wherein said at least one of a turn signal light display and a blind-spot indicator light display exhibits, when electrically powered and when operated in the vehicle during day time driving conditions, a display luminance of at least about 80 foot lamberts as measured with the light display placed behind, and emitting light through, said electrochromic medium and with said electrochromic medium in its bleached state, and wherein said electrochromic medium comprises a solid-phase at least partially formed in situ in said cavity by a polymerization reaction. 12. The signal mirror of claim 10, wherein the substrate thickness of one of said front substrate and said reflective mirror element is thinner than the substrate thickness of the other of said front substrate and said reflective mirror element, and wherein the substrate thickness of said one of said front substrate and said reflective mirror element is about 0.043", and wherein the substrate thickness of said other of said front substrate and said reflective mirror element is about 0.063", and wherein said reflective mirror element comprises a large area vehicular exterior rearview reflective mirror element having an area greater than about 140 square centimeters. 13. The signal mirror of claim 10, wherein said at least one of a turn signal light display and a blind-spot indicator light display comprises at least one light emitting diode and wherein said metal thin film layer has a layer thickness of at least about 200 angstroms.
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