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 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0632572 (2012-10-01) |
등록번호 | US-8506096 (2013-08-13) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 20 인용 특허 : 1303 |
A variable reflectance mirror reflective element includes a front substrate and a rear substrate and an electrochromic medium disposed therebetween, with no part of the rear substrate extending beyond any part of the front substrate. A mirror reflector is disposed at a third surface of the rear subs
A variable reflectance mirror reflective element includes a front substrate and a rear substrate and an electrochromic medium disposed therebetween, with no part of the rear substrate extending beyond any part of the front substrate. A mirror reflector is disposed at a third surface of the rear substrate and includes a stack of thin films having at least one metal thin film. A perimeter layer is disposed at a second surface of the front substrate proximate a perimeter edge of the front substrate and generally conceals the perimeter seal from view by a person viewing through the front substrate. Light that reflects off of the mirror reflector and passes through the electrochromic medium and the front substrate has a substantially untinted reflectant characteristic to a person viewing the mirror reflective element when no voltage is applied to the electrochromic medium.
1. A variable reflectance mirror reflective element suitable for use in a vehicular exterior rearview minor assembly, said minor reflective element comprising: a front substrate and a rear substrate and an electrochromic medium disposed between said front and rear substrates;wherein said front subst
1. A variable reflectance mirror reflective element suitable for use in a vehicular exterior rearview minor assembly, said minor reflective element comprising: a front substrate and a rear substrate and an electrochromic medium disposed between said front and rear substrates;wherein said front substrate has a first surface and a second surface;said second surface of said front substrate having a transparent electrically conductive layer disposed thereat;wherein said rear substrate has a third surface and a fourth surface;a mirror reflector disposed at at least a portion of said third surface of said rear substrate;wherein said minor reflector comprises a stack of thin films and wherein said stack of thin films comprises at least one metal thin film;wherein said minor reflector has a sheet resistance of less than about 5 ohms per square;wherein at least one film of said stack of films comprises a material that has a specific resistivity of less than about 1×10−2 ohm·cm;wherein said electrochromic medium is disposed in an interpane cavity established between said third surface of said rear substrate and said second surface of said front substrate and bounded by a perimeter seal;wherein no part of said rear substrate extends beyond any part of said front substrate;wherein a perimeter layer is disposed at said second surface of said front substrate proximate a perimeter edge of said front substrate;wherein said perimeter layer generally conceals said perimeter seal from view by a person viewing through said front substrate; andwherein light that reflects off of said mirror reflector and passes through said electrochromic medium and said front substrate has a substantially untinted reflectant characteristic to a person viewing said mirror reflective element when no voltage is applied to said electrochromic medium. 2. The minor reflective element of claim 1, wherein a display is disposed proximate said fourth surface of said rear substrate of said minor reflective element, and wherein said display, at least when operated, is viewable to a person viewing said display through said front and rear substrates of said minor reflective element. 3. The minor reflective element of claim 2, wherein said display is substantially non-viewable by the person when said display is not operated. 4. The minor reflective element of claim 3, wherein said minor reflector comprises a transflective minor reflector that is partially transmissive of visible light therethrough and partially reflective of visible light incident thereon. 5. The minor reflective element of claim 4, wherein said display comprises an on-demand display. 6. The minor reflective element of claim 2, wherein said minor reflective element is substantially non-transmissive of light other than where said display is disposed. 7. The minor reflective element of claim 2, wherein said display comprises at least one light emitting diode. 8. The minor reflective element of claim 2, wherein said display is operated responsive to a blind spot detector of a vehicle equipped with an exterior rearview mirror assembly that incorporates said mirror reflective element. 9. The minor reflective element of claim 2, wherein said display is operated responsive to a turn signal system of a vehicle equipped with an exterior rearview mirror assembly that incorporates said minor reflective element. 10. The minor reflective element of claim 1, wherein said perimeter layer comprises a reflective perimeter layer. 11. The minor reflective element of claim 1, wherein said perimeter layer comprises chromium. 12. The minor reflective element of claim 1, wherein said perimeter layer comprises an electrically conductive perimeter layer. 13. The minor reflective element of claim 1, wherein said perimeter layer comprises a substantially non-reflective perimeter layer. 14. The minor reflective element of claim 13, wherein said perimeter layer comprises a light absorbing perimeter layer. 15. The minor reflective element of claim 14, wherein said perimeter layer comprises a black chrome layer. 16. The minor reflective element of claim 1, wherein said at least one metal thin film is substantially reflective and substantially non-transparent. 17. The minor reflective element of claim 16, wherein said at least one metal thin film has a thickness of at least about 600 angstroms. 18. The minor reflective element of claim 1, wherein said minor reflector provides at least about 60 percent photopic reflectance measured in accordance with Society of Automotive Engineers test procedure SAE J964a. 19. The minor reflective element of claim 18, wherein said minor reflector comprises a transflective minor reflector. 20. The minor reflective element of claim 19, wherein said transflective mirror reflector provides at least about 15 percent transmission of light. 21. The minor reflective element of claim 20, wherein said transflective mirror reflector provides at least about 15 percent transmission of at least a particular spectral band of light. 22. The minor reflective element of claim 1, wherein said minor reflector has a sheet resistance of less than about 2 ohms per square. 23. The minor reflective element of claim 1, wherein said minor reflector has a sheet resistance of less than about 1 ohms per square. 24. The minor reflective element of claim 1, wherein said at least one metal thin film of said stack of films comprises said material that has a specific resistivity of less than about 1×10−2 ohm·cm. 25. The minor reflective element of claim 24, wherein said material of said at least one metal thin film has a specific resistivity of less than about 1×10−3 ohm·cm. 26. The minor reflective element of claim 24, wherein said material of said at least one metal thin film has a specific resistivity of less than about 5×10−4 ohm·cm. 27. The minor reflective element of claim 24, wherein said material of said at least one metal thin film has a specific resistivity of less than about 5×10−5 ohm·cm. 28. The minor reflective element of claim 1, wherein said material of said at least one film of said stack of films has a specific resistivity of less than about 1×10−3 ohm·cm. 29. The minor reflective element of claim 1, wherein said material of said at least one film of said stack of films has a specific resistivity of less than about 5×10−4 ohm·cm. 30. The minor reflective element of claim 1, wherein at least two films of said stack of films comprise a material that has a specific resistivity of less than about 1×10−2 ohm·cm. 31. The minor reflective element of claim 1, wherein at least two films of said stack of films comprises a material that has a specific resistivity of less than about 1×10−3 ohm·cm. 32. The minor reflective element of claim 1, wherein said stack of films comprises at least one non-metal thin film that comprises a material that has a specific resistivity of less than about 1×10−2 ohm·cm. 33. The minor reflective element of claim 32, wherein said at least one metal thin film is disposed between two non-metal thin films. 34. The minor reflective element of claim 1, wherein at least a portion of a perimeter border region at said third surface of said rear substrate is devoid of said mirror reflector. 35. The minor reflective element of claim 34, wherein said perimeter seal at least covers where a terminal outer edge of said minor reflector meets said perimeter border region. 36. The minor reflective element of claim 1, wherein an electrical connection is established inboard of said perimeter edge of said front substrate and does not overlap said perimeter edge of said front substrate. 37. The minor reflective element of claim 1, wherein said at least one metal thin film comprises at least one vacuum-deposited metal thin film. 38. The minor reflective element of claim 37, wherein said at least one vacuum-deposited metal thin film comprises one of (i) silver, (ii) a silver alloy and (iii) chromium. 39. The minor reflective element of claim 1, wherein said stack of thin films comprises at least two metal thin films. 40. The minor reflective element of claim 1, wherein said stack of thin films comprises at least one metal oxide thin film disposed between a metal thin film of said stack of thin films and said third surface of said rear substrate. 41. The minor reflective element of claim 1, wherein said stack of thin films comprises at least one metal oxide thin film and wherein a metal thin film of said stack of thin films is disposed between said at least one metal oxide thin film and said third surface of said rear substrate. 42. The minor reflective element of claim 1, wherein said stack of thin films comprises a third surface electrical conductor that extends inboard from said perimeter seal towards at least a central region of said third surface of said rear substrate, and wherein said third surface electrical conductor is disposed between said at least one metal thin film and said third surface of said rear substrate so as to, at least in part, undercoat said at least one metal thin film where said mirror reflector is contacted by said electrochromic medium. 43. The minor reflective element of claim 42, wherein said third surface electrical conductor comprises a transparent electrically conductive thin film. 44. The minor reflective element of claim 1, wherein said perimeter seal is at least partially visible to a person viewing through said rear substrate. 45. The minor reflective element of claim 1, wherein said stack of thin films comprises a spectrally-selective transflective thin-film stack having a multi-band transmission spectrum. 46. The minor reflective element of claim 45, wherein at least one film of said spectrally-selective transflective stack extends beyond said perimeter seal towards a perimeter edge of said rear substrate. 47. The minor reflective element of claim 46, wherein said perimeter seal is at least partially visible to a person viewing through said rear substrate. 48. The minor reflective element of claim 1, wherein said front and rear substrates are joined by said perimeter seal as uncut sheets of glass, and wherein said front and rear substrates are cut into minor shapes after said perimeter seal is disposed therebetween. 49. The minor reflective element of claim 1, wherein at least a portion of said front substrate extends beyond a corresponding portion of said rear substrate to establish a ledge at least partially along a periphery of said mirror reflective element. 50. The minor reflective element of claim 1, wherein said front and rear substrates comprise curved substrates. 51. The minor reflective element of claim 1, wherein said front and rear substrates comprise aspheric substrates. 52. The minor reflective element of claim 51, wherein said minor reflective element is suitable for use in a driver side vehicular exterior rearview mirror assembly. 53. The minor reflective element of claim 1, wherein said minor reflective element comprises a convex curved minor reflective element. 54. The minor reflective element of claim 53, wherein said minor reflective element is suitable for use in a passenger side vehicular exterior rearview mirror assembly. 55. The minor reflective element of claim 1, wherein said minor reflective element comprises a curved minor reflective element having a more curved outboard region and a less curved inboard region. 56. The minor reflective element of claim 55, wherein a demarcation is provided between said more curved outboard region and said less curved inboard region of said mirror reflective element. 57. The minor reflective element of claim 56, wherein said curved minor reflective element comprises an aspheric minor reflective element. 58. The minor reflective element of claim 57, wherein said demarcation comprises one of a continuous line, closely interspaced dots, dashes and spots. 59. The minor reflective element of claim 1, wherein said front substrate has a thickness of about 0.063 inches or less and said rear substrate has a thickness of about 0.063 inches or less. 60. The minor reflective element of claim 59, wherein at least one of said front substrate and said rear substrate has a thickness of about 0.043 inches or less. 61. A variable reflectance mirror reflective element suitable for use in a vehicular exterior rearview minor assembly, said minor reflective element comprising: a front substrate and a rear substrate and an electrochromic medium disposed between said front and rear substrates;wherein said front substrate has a first surface and a second surface;said second surface of said front substrate having a transparent electrically conductive layer disposed thereat;wherein said rear substrate has a third surface and a fourth surface;a mirror reflector disposed at at least a portion of said third surface of said rear substrate;wherein said minor reflector comprises a stack of thin films and wherein said stack of thin films comprises at least two metal thin films;wherein at least one film of said stack of films comprises a material that has a specific resistivity of less than about 1×10−2 ohm·cm;wherein said electrochromic medium is disposed in an interpane cavity established between said third surface of said rear substrate and said second surface of said front substrate and bounded by a perimeter seal;wherein no part of said rear substrate extends beyond any part of said front substrate;wherein a perimeter layer is disposed at said second surface of said front substrate proximate a perimeter edge of said front substrate, and wherein said perimeter layer comprises a reflective perimeter layer;wherein said perimeter layer generally conceals said perimeter seal from view by a person viewing through said front substrate;wherein said perimeter seal is at least partially visible to a person viewing through said rear substrate;wherein a display is disposed proximate said fourth surface of said rear substrate of said mirror reflective element, and wherein said display, at least when operated, is viewable to a person viewing said display through said front and rear substrates of said mirror reflective element;wherein said display comprises at least one light emitting diode;wherein said display is operated responsive to one of (i) a blind spot detector of a vehicle equipped with an exterior rearview mirror assembly that incorporates said minor reflective element and (ii) a turn signal system of a vehicle equipped with an exterior rearview mirror assembly that incorporates said mirror reflective element; andwherein light that reflects off of said mirror reflector and passes through said electrochromic medium and said front substrate has a substantially untinted reflectant characteristic to a person viewing said mirror reflective element when no voltage is applied to said electrochromic medium. 62. The minor reflective element of claim 61, wherein at least one of said metal thin films of said stack of films comprises a material that has a specific resistivity of less than about 1×10−2 ohm·cm. 63. The minor reflective element of claim 61, wherein at least one of said metal thin films of said stack of films comprises a material that has a specific resistivity of less than about 1×10−3 ohm·cm. 64. The minor reflective element of claim 61, wherein said minor reflective element is substantially non-transmissive of light other than where said display is disposed. 65. The minor reflective element of claim 61, wherein one of (i) said stack of thin films comprises at least one metal oxide thin film disposed between a metal thin film of said stack of thin films and said third surface of said rear substrate, and (ii) said stack of thin films comprises at least one metal oxide thin film and wherein a metal thin film of said stack of thin films is disposed between said at least one metal oxide thin film and said third surface of said rear substrate. 66. The minor reflective element of claim 61, wherein at least a portion of said front substrate extends beyond a corresponding portion of said rear substrate to establish a ledge at least partially along a periphery of said mirror reflective element. 67. The minor reflective element of claim 61, wherein said front and rear substrates comprise curved substrates. 68. The minor reflective element of claim 61, wherein said front and rear substrates comprise aspheric substrates, and wherein said minor reflective element is suitable for use in a driver side vehicular exterior rearview minor assembly. 69. The minor reflective element of claim 61, wherein said minor reflective element comprises a convex curved mirror reflective element, and wherein said mirror reflective element is suitable for use in a passenger side vehicular exterior rearview minor assembly. 70. The minor reflective element of claim 61, wherein said minor reflective element comprises a curved mirror reflective element having a more curved outboard region and a less curved inboard region, and wherein a demarcation is provided between said more curved outboard region and said less curved inboard region of said mirror reflective element. 71. The minor reflective element of claim 61, wherein said minor reflector has a sheet resistance of less than about 5 ohms per square. 72. A variable reflectance mirror reflective element suitable for use in a vehicular exterior rearview minor assembly, said minor reflective element comprising: a front substrate and a rear substrate and an electrochromic medium disposed between said front and rear substrates;wherein said front substrate has a first surface and a second surface;said second surface of said front substrate having a transparent electrically conductive layer disposed thereat;wherein said rear substrate has a third surface and a fourth surface;a mirror reflector disposed at at least a portion of said third surface of said rear substrate;wherein said minor reflector comprises a stack of thin films and wherein said stack of thin films comprises at least two metal thin films;wherein at least one of said at least two metal thin films comprises a material that has a specific resistivity of less than about 1×10−2 ohm·cm;wherein said electrochromic medium is disposed in an interpane cavity established between said third surface of said rear substrate and said second surface of said front substrate and bounded by a perimeter seal;wherein no part of said rear substrate extends beyond any part of said front substrate;wherein a perimeter layer is disposed at said second surface of said front substrate proximate a perimeter edge of said front substrate, and wherein said perimeter layer comprises a reflective perimeter layer;wherein said perimeter layer generally conceals said perimeter seal from view by a person viewing through said front substrate; andwherein light that reflects off of said mirror reflector and passes through said electrochromic medium and said front substrate has a substantially untinted reflectant characteristic to a person viewing said mirror reflective element when no voltage is applied to said electrochromic medium. 73. The minor reflective element of claim 72, wherein said perimeter layer comprises chromium. 74. The minor reflective element of claim 72, wherein said perimeter layer comprises an electrically conductive perimeter layer. 75. The minor reflective element of claim 72, wherein at least one of said at least two metal thin films has a thickness of at least about 600 angstroms. 76. The minor reflective element of claim 72, wherein said minor reflector provides at least about 60 percent photopic reflectance measured in accordance with Society of Automotive Engineers test procedure SAE J964a. 77. The minor reflective element of claim 72, wherein said material of said at least one of said at least two metal thin films has a specific resistivity of less than about 1×10−3 ohm·cm. 78. The minor reflective element of claim 77, wherein both of said at least two metal thin films comprise said material that has a specific resistivity of less than about 1×10−3 ohm·cm. 79. The minor reflective element of claim 72, wherein at least one of said at least two metal thin films comprises at least one vacuum-deposited metal thin film. 80. The minor reflective element of claim 79, wherein said at least one vacuum-deposited metal thin film comprises chromium. 81. The minor reflective element of claim 72, wherein at least one of (i) said front substrate has a thickness of about 0.063 inches or less and said rear substrate has a thickness of about 0.063 inches or less, (ii), at least one of said front substrate and said rear substrate has a thickness of about 0.043 inches or less, and (iii) one of said front substrate and said rear substrate has a thickness of about 0.063 inches or less and the other of said front substrate and said rear substrate has a thickness of about 0.043 inches or less. 82. The minor reflective element of claim 72, wherein said front and rear substrates comprise aspheric substrates. 83. The minor reflective element of claim 72, wherein said minor reflector has a sheet resistance of less than about 5 ohms per square. 84. A variable reflectance mirror reflective element suitable for use in a vehicular exterior rearview minor assembly, said minor reflective element comprising: a front substrate and a rear substrate and an electrochromic medium disposed between said front and rear substrates;wherein said front substrate has a first surface and a second surface;said second surface of said front substrate having a transparent electrically conductive layer disposed thereat;wherein said rear substrate has a third surface and a fourth surface;a mirror reflector disposed at at least a portion of said third surface of said rear substrate;wherein said minor reflector comprises a stack of thin films and wherein said stack of thin films comprises at least two metal thin films;wherein at least one of said at least two metal thin films comprises a material that has a specific resistivity of less than about 1×10−2 ohm·cm;wherein said electrochromic medium is disposed in an interpane cavity established between said third surface of said rear substrate and said second surface of said front substrate and bounded by a perimeter seal;wherein no part of said rear substrate extends beyond any part of said front substrate;wherein said front and rear substrates comprise aspheric substrates;wherein said minor reflective element comprises a curved mirror reflective element having a more curved outboard region and a less curved inboard region;wherein a demarcation is provided between said more curved outboard region and said less curved inboard region of said minor reflective element;wherein said demarcation comprises one of a continuous line, closely interspaced dots, dashes and spots;wherein a perimeter layer is disposed at said second surface of said front substrate proximate a perimeter edge of said front substrate, and wherein said perimeter layer comprises a reflective perimeter layer;wherein said perimeter layer generally conceals said perimeter seal from view by a person viewing through said front substrate; andwherein light that reflects off of said mirror reflector and passes through said electrochromic medium and said front substrate has a substantially untinted reflectant characteristic to a person viewing said mirror reflective element when no voltage is applied to said electrochromic medium. 85. The minor reflective element of claim 84, wherein said material of said at least one of said at least two metal thin films has a specific resistivity of less than about 1×10−3 ohm·cm. 86. The minor reflective element of claim 85, wherein both of said at least two metal thin films comprise said material that has a specific resistivity of less than about 1×10−3 ohm·cm. 87. The minor reflective element of claim 84, wherein at least one of (i) said front substrate has a thickness of about 0.063 inches or less and said rear substrate has a thickness of about 0.063 inches or less, (ii), at least one of said front substrate and said rear substrate has a thickness of about 0.043 inches or less, and (iii) one of said front substrate and said rear substrate has a thickness of about 0.063 inches or less and the other of said front substrate and said rear substrate has a thickness of about 0.043 inches or less. 88. The minor reflective element of claim 84, wherein said minor reflector has a sheet resistance of less than about 5 ohms per square. 89. The minor reflective element of claim 84, wherein said minor reflective element is suitable for use in a driver side vehicular exterior rearview mirror assembly. 90. The minor reflective element of claim 84, wherein said stack of thin films comprises a spectrally-selective transflective thin-film stack having a multi-band transmission spectrum. 91. The minor reflective element of claim 90, wherein at least one film of said spectrally-selective transflective stack extends beyond said perimeter seal towards a perimeter edge of said rear substrate. 92. The minor reflective element of claim 91, wherein said perimeter seal is at least partially visible to a person viewing through said rear substrate. 93. A variable reflectance mirror reflective element suitable for use in a vehicular exterior rearview minor assembly, said minor reflective element comprising: a front substrate and a rear substrate and an electrochromic medium disposed between said front and rear substrates;wherein at least one of (i) said front substrate has a thickness of about 0.063 inches or less and said rear substrate has a thickness of about 0.063 inches or less, (ii), at least one of said front substrate and said rear substrate has a thickness of about 0.043 inches or less, and (iii) one of said front substrate and said rear substrate has a thickness of about 0.063 inches or less and the other of said front substrate and said rear substrate has a thickness of about 0.043 inches or less;wherein said front substrate has a first surface and a second surface;said second surface of said front substrate having a transparent electrically conductive layer disposed thereat;wherein said rear substrate has a third surface and a fourth surface;a mirror reflector disposed at at least a portion of said third surface of said rear substrate;wherein said minor reflector comprises a stack of thin films and wherein said stack of thin films comprises at least one metal thin film;wherein said at least one metal thin film is substantially reflective and substantially non-transparent;wherein at least one film of said stack of films comprises a material that has a specific resistivity of less than about 1×10−2 ohm·cm;wherein said electrochromic medium is disposed in an interpane cavity established between said third surface of said rear substrate and said second surface of said front substrate and bounded by a perimeter seal;wherein no part of said rear substrate extends beyond any part of said front substrate;wherein a perimeter layer is disposed at said second surface of said front substrate proximate a perimeter edge of said front substrate;wherein said perimeter layer generally conceals said perimeter seal from view by a person viewing through said front substrate; andwherein light that reflects off of said mirror reflector and passes through said electrochromic medium and said front substrate has a substantially untinted reflectant characteristic to a person viewing said mirror reflective element when no voltage is applied to said electrochromic medium. 94. The minor reflective element of claim 93, wherein at least one of (i) said at least one metal thin film has a thickness of at least about 600 angstroms and (ii) said mirror reflector provides at least about 60 percent photopic reflectance measured in accordance with Society of Automotive Engineers test procedure SAE J964a. 95. The minor reflective element of claim 93, wherein said at least one metal thin film comprises said material that has a specific resistivity of less than about 1×10−2 ohm·cm. 96. The minor reflective element of claim 95, wherein said material of said at least one metal thin film has a specific resistivity of less than about 1×10−3 ohm·cm. 97. The minor reflective element of claim 95, wherein said material of said at least one metal thin film has a specific resistivity of less than about 5×10 ohm·cm. 98. The minor reflective element of claim 93, wherein said at least one metal thin film comprises at least two metal thin films. 99. The minor reflective element of claim 98, wherein at least one of said at least two metal thin films comprises a material that has a specific resistivity of less than about 1×10−3 ohm·cm. 100. The minor reflective element of claim 98, wherein both of said at least two metal thin films comprise a material that has a specific resistivity of less than about 1×10−3 ohm·cm. 101. The minor reflective element of claim 93, wherein said front and rear substrates comprise curved substrates. 102. The minor reflective element of claim 101, wherein said mirror reflective element comprises a curved minor reflective element having a more curved outboard region and a less curved inboard region. 103. The minor reflective element of claim 102, wherein a demarcation is provided between said more curved outboard region and said less curved inboard region of said mirror reflective element. 104. The minor reflective element of claim 103, wherein said front and rear substrates comprise aspheric substrates. 105. The minor reflective element of claim 104, wherein said mirror reflective element is suitable for use in a driver side vehicular exterior rearview mirror assembly. 106. The minor reflective element of claim 93, wherein said minor reflector has a sheet resistance of less than about 5 ohms per square. 107. The minor reflective element of claim 93, wherein said perimeter seal is at least partially visible to a person viewing through said rear substrate.
Copyright KISTI. All Rights Reserved.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.