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 | UP-0061372 (2008-04-02) |
등록번호 | US-7619508 (2009-11-27) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 280 인용 특허 : 494 |
A video mirror system for a vehicle includes an interior rearview mirror assembly with an electrochromic reflective element having a front portion and a rear portion generally opposite the front portion. The reflective element has an electrochromic medium disposed between a first substrate and a se
A video mirror system for a vehicle includes an interior rearview mirror assembly with an electrochromic reflective element having a front portion and a rear portion generally opposite the front portion. The reflective element has an electrochromic medium disposed between a first substrate and a second substrate and has a transflective third-surface mirror reflector that is at least 15 percent transmitting to visible light and that is at least 40 percent reflective to visible light. A video display is disposed to the rear of the reflective element and emits light when actuated that passes through the transflective mirror reflector. The video display is back lit by at least one light source, and the video display is operable to exhibit a display intensity as viewed by the driver of at least about 400 candelas per square meter when the interior rearview mirror assembly is mounted and is viewed in the vehicle.
The invention claimed is: 1. A video mirror system for a vehicle, said video mirror system comprising: an interior electrochromic rearview mirror assembly mountable at an interior portion of a vehicle, said interior rearview mirror assembly comprising a reflective element, said reflective element h
The invention claimed is: 1. A video mirror system for a vehicle, said video mirror system comprising: an interior electrochromic rearview mirror assembly mountable at an interior portion of a vehicle, said interior rearview mirror assembly comprising a reflective element, said reflective element having a front portion that faces generally towards the driver of the vehicle when said interior rearview mirror assembly is mounted in the vehicle, and having a rear portion that is generally opposite said front portion; said electrochromic reflective element comprising an electrochromic medium disposed between a first substrate and a second substrate; said first substrate being closer to the driver of the vehicle than said second substrate when the vehicle is equipped with said rearview mirror assembly; said first substrate having a first surface and a second surface; said first surface being closer to the driver of the vehicle than said second surface when the vehicle is equipped with said rearview mirror assembly; said second substrate having a third surface and a fourth surface; said third surface being closer to the driver of the vehicle than said fourth surface when the vehicle is equipped with said rearview mirror assembly; a transparent electrical conductor disposed at said second surface of said first substrate; a transflective mirror reflector disposed at said third surface of said second substrate; wherein said transflective mirror reflector is at least about 15 percent transmitting to visible light incident thereon; a video display disposed to the rear of said rear portion of said reflective element, said video display emitting light when actuated that passes through said transflective mirror reflector of said reflective element to be visible to a driver of the vehicle viewing said front portion of said reflective mirror element; wherein said video display is back lit by at least one light source; and wherein said video display is operable to exhibit a display intensity as viewed by the driver of at least about 400 candelas per square meter when said interior rearview mirror assembly is mounted and is viewed in the vehicle. 2. The video mirror system of claim 1, wherein said mirror assembly comprises at least one of (a) a user input for a wireless communication between the vehicle and a remote location, (b) at least one microphone, (c) a compass direction display and (d) a garage door opener transmitter. 3. The video mirror system of claim 1, wherein said at least one light source comprises one of (i) a cold cathode vacuum fluorescent light source and (ii) a light emitting diode. 4. The video mirror system of claim 1, wherein at least one of (a) said video display comprises a liquid crystal video display, (b) said video display comprises a thin film transistor liquid crystal video display, (c) said at least one light source comprises a plurality of white light emitting light emitting diodes, and (d) said at least one light source at least four white light emitting light emitting diodes. 5. The video mirror system of claim 1, wherein at least one of (a) said at least one light source comprises at least one white light emitting light emitting diode that passes a forward current of at least about 100 milliamps when operated at its operating voltage, and (b) said at least one light source comprises at least one white light emitting light emitting diode that passes a forward current of at least about 250 milliamps when operated at its operating voltage. 6. The video mirror system of claim 1, wherein said video display comprises at least one of (a) a back lit liquid crystal display element, (b) a back lit thin film transistor liquid crystal display element, (c) a multi-pixel display element, (d) a back lit liquid crystal display that is back lit by at least one white light emitting light emitting diode, (e) a back lit liquid crystal display that is back lit by at least two white light emitting light emitting diodes, and (f) a back lit liquid crystal display that is back lit by at least four white light emitting light emitting diodes. 7. The video mirror system of claim 1, wherein said video display displays video images captured by a video camera of the vehicle in which said interior rearview mirror assembly is mounted and is viewed. 8. The video mirror system of claim 7, wherein said video camera comprises a rear back-up camera. 9. The video mirror system of claim 8, wherein video images captured by said rear back-up camera are displayed by said video display when the driver of the vehicle, when operating the vehicle, selects a reverse gear. 10. The video mirror system of claim 1, wherein said at least one light source comprises a light emitting diode having an operating voltage in a range of about 1 volt to about 5 volts and wherein said light emitting diode emits white light with a luminous flux of at least about 25 lumens when operated at its operating voltage. 11. The video mirror system of claim 1, wherein said mirror assembly connects to a vehicle network system, and wherein said vehicle network system comprises at least one of a CAN network and a LIN network. 12. The video mirror system of claim 1, wherein said mirror assembly comprises a heat dissipation element for dissipating heat generated upon actuation of said at least one light source and wherein said heat dissipation element comprises a heat dissipation surface area of one of (a) at least about 1 square inch and (b) at least about 2.5 square inches. 13. The video mirror system of claim 1, wherein said mirror assembly comprises a heat dissipation element for dissipating heat generated upon actuation of said at least one light source and wherein said heat dissipating element comprises a metal. 14. The video mirror system of claim 13, wherein said metal comprises at least one of copper, a copper alloy, aluminum and brass. 15. The video mirror system of claim 1, wherein said at least one light source comprises a light emitting diode that dissipates at least about 0.5 watt of power when operated, and wherein said light emitting diode comprises an Indium Gallium Nitride light emitting diode. 16. The video mirror system of claim 1, wherein said at least one light source comprises a light emitting diode and wherein a pulse width modulated duty cycle voltage is applied to power said light emitting diode. 17. The video mirror system of claim 1, wherein said at least one light source comprises a light emitting diode incorporated in a light module, and wherein said light module includes a light piping element and wherein said light emitting diode optically couples with said light piping element. 18. The video mirror system of claim 1, wherein said at least one light source comprises a light emitting diode and wherein at least one of (a) the junction of said light emitting diode is maintained at a temperature less than about 130 degrees Celsius, (b) the junction of said light emitting diode is maintained at a temperature less than about 100 degrees Celsius, and (c) the junction of said light emitting diode is maintained at a temperature less than about 70 degrees Celsius. 19. The video mirror system of claim 1, wherein said at least one light source comprises a light emitting diode and includes a surround for directing light emitted by said light emitting diode, and wherein at least one of (a) said surround comprises an optical surface and (b) said surround comprises a light reflective surface. 20. The video mirror system of claim 1, wherein said at least one light source comprises a white light emitting light emitting diode and wherein at least one of (a) said white light emitting light emitting diode emits with a luminous efficiency of at least about 1 lumen per watt, (b) said white light emitting light emitting diode emits with a luminous efficiency of at least about 4 lumens per watt, and (c) said white light emitting light emitting diode emits with a luminous efficiency of at least about 7 lumens per watt. 21. A video mirror system for a vehicle, said video mirror system comprising: an interior electrochromic rearview mirror assembly mountable at an interior portion of a vehicle, said interior rearview mirror assembly comprising a reflective element, said reflective element having a front portion that faces generally towards the driver of the vehicle when said interior rearview mirror assembly is mounted in the vehicle, and having a rear portion that is generally opposite said front portion; said electrochromic reflective element comprising an electrochromic medium disposed between a first substrate and a second substrate; said first substrate being closer to the driver of the vehicle than said second substrate when the vehicle is equipped with said rearview mirror assembly; said first substrate having a first surface and a second surface; said first surface being closer to the driver of the vehicle than said second surface when the vehicle is equipped with said rearview mirror assembly; said second substrate having a third surface and a fourth surface; said third surface being closer to the driver of the vehicle than said fourth surface when the vehicle is equipped with said rearview mirror assembly; a transparent electrical conductor disposed at said second surface of said first substrate; a transflective mirror reflector disposed at said third surface of said second substrate; wherein said transflective mirror reflector is at least about 15 percent transmitting to visible light incident thereon; a video display disposed to the rear of said rear portion of said reflective element, said video display emitting light when actuated that passes through said transflective mirror reflector of said reflective element to be visible to a driver of the vehicle viewing said front portion of said reflective mirror element; wherein said video display is back lit by a light source, and wherein said light source comprises a plurality of white light emitting light emitting diodes and wherein a pulse width modulated duty cycle voltage is applied to power said white light emitting light emitting diodes; and wherein said video display is operable to exhibit a display intensity as viewed by the driver of at least about 400 candelas per square meter when said interior rearview mirror assembly is mounted and is viewed in the vehicle. 22. The video mirror system of claim 21, wherein said video display comprises a thin film transistor liquid crystal video display. 23. A video mirror system for a vehicle, said video mirror system comprising: an interior electrochromic rearview mirror assembly mountable at an interior portion of a vehicle, said interior rearview mirror assembly comprising a reflective element, said reflective element having a front portion that faces generally towards the driver of the vehicle when said interior rearview mirror assembly is mounted in the vehicle, and having a rear portion that is generally opposite said front portion; said electrochromic reflective element comprising an electrochromic medium disposed between a first substrate and a second substrate; said first substrate being closer to the driver of the vehicle than said second substrate when the vehicle is equipped with said rearview mirror assembly; said first substrate having a first surface and a second surface; said first surface being closer to the driver of the vehicle than said second surface when the vehicle is equipped with said rearview mirror assembly; said second substrate having a third surface and a fourth surface; said third surface being closer to the driver of the vehicle than said fourth surface when the vehicle is equipped with said rearview mirror assembly; a transparent electrical conductor disposed at said second surface of said first substrate; a transflective mirror reflector disposed at said third surface of said second substrate; wherein said transflective mirror reflector is at least about 15 percent transmitting to visible light incident thereon; wherein said mirror assembly comprises at least one of (a) a user input for a wireless communication between the vehicle and a remote location, (b) at least one microphone, (c) a compass direction display and (d) a garage door opener transmitter; a video display disposed to the rear of said rear portion of said reflective element, said video display emitting light when actuated that passes through said transflective mirror reflector of said reflective element to be visible to a driver of the vehicle viewing said front portion of said reflective mirror element; wherein said video display is back lit by a plurality of white light emitting light emitting diodes; and wherein said video display is operable to exhibit a display intensity as viewed by the driver of at least about 400 candelas per square meter when said interior rearview mirror assembly is mounted and is viewed in the vehicle. 24. The video mirror system of claim 23, wherein said video display comprises a thin film transistor liquid crystal video display. 25. A video mirror system for a vehicle, said video mirror system comprising: an interior electrochromic rearview mirror assembly mountable at an interior portion of a vehicle, said interior rearview mirror assembly comprising a reflective element, said reflective element having a front portion that faces generally towards the driver of the vehicle when said interior rearview mirror assembly is mounted in the vehicle, and having a rear portion that is generally opposite said front portion; said electrochromic reflective element comprising an electrochromic medium disposed between a first substrate and a second substrate; said first substrate being closer to the driver of the vehicle than said second substrate when the vehicle is equipped with said rearview mirror assembly; said first substrate having a first surface and a second surface; said first surface being closer to the driver of the vehicle than said second surface when the vehicle is equipped with said rearview mirror assembly; said second substrate having a third surface and a fourth surface; said third surface being closer to the driver of the vehicle than said fourth surface when the vehicle is equipped with said rearview mirror assembly; a transparent electrical conductor disposed at said second surface of said first substrate; a transflective mirror reflector disposed at said third surface of said second substrate; wherein said transflective mirror reflector is at least about 15 percent transmitting to visible light incident thereon; a video display disposed to the rear of said rear portion of said reflective element, said video display emitting light when actuated that passes through said transflective mirror reflector of said reflective element to be visible to a driver of the vehicle viewing said front portion of said reflective mirror element; wherein said video display is back lit by at least one white light emitting light emitting diode and wherein said at least one white light emitting light emitting diode emits with a luminous efficiency of at least about 1 lumen per watt; and wherein said video display is operable to exhibit a display intensity as viewed by the driver of at least about 400 candelas per square meter when said interior rearview mirror assembly is mounted and is viewed in the vehicle. 26. The video mirror system of claim 25, wherein a pulse width modulated duty cycle voltage is applied to power said at least one white light emitting light emitting diode. 27. The video mirror system of claim 26, wherein said mirror assembly comprises a heat dissipation element for dissipating heat generated upon actuation of said at least one white light emitting light emitting diode and wherein said heat dissipating element comprises a metal. 28. The video mirror system of claim 27, wherein said at least one white light emitting light emitting diode dissipates at least about 0.5 watt of power when operated. 29. The video mirror system of claim 28, wherein said at least one white light emitting light emitting diode comprises at least one Indium Gallium Nitride light emitting diode. 30. A video mirror system for a vehicle, said video mirror system comprising: an interior electrochromic rearview mirror assembly mountable at an interior portion of a vehicle, said interior rearview mirror assembly comprising a reflective element, said reflective element having a front portion that faces generally towards the driver of the vehicle when said interior rearview mirror assembly is mounted in the vehicle, and having a rear portion that is generally opposite said front portion; said electrochromic reflective element comprising an electrochromic medium disposed between a first substrate and a second substrate; said first substrate being closer to the driver of the vehicle than said second substrate when the vehicle is equipped with said rearview mirror assembly; said first substrate having a first surface and a second surface; said first surface being closer to the driver of the vehicle than said second surface when the vehicle is equipped with said rearview mirror assembly; said second substrate having a third surface and a fourth surface; said third surface being closer to the driver of the vehicle than said fourth surface when the vehicle is equipped with said rearview mirror assembly; a transparent electrical conductor disposed at said second surface of said first substrate; a transflective mirror reflector disposed at said third surface of said second substrate; wherein said transflective mirror reflector is at least about 15 percent transmitting to visible light incident thereon; wherein said mirror assembly connects to a vehicle network system; a video display disposed to the rear of said rear portion of said reflective element, said video display emitting light when actuated that passes through said transflective mirror reflector of said reflective element to be visible to a driver of the vehicle viewing said front portion of said reflective mirror element; wherein said video display is back lit by at least one light emitting diode and includes a surround for directing light emitted by said light emitting diode; and wherein said video display is operable to exhibit a display intensity as viewed by the driver of at least about 400 candelas per square meter when said interior rearview mirror assembly is mounted and is viewed in the vehicle. 31. The video mirror system of claim 30, wherein said surround comprises an optical surface. 32. The video mirror system of claim 30, wherein said surround comprises a light reflective surface.
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