Title:
自動クリーニング親水性コーティングを持つ電気光学装置
Document Type and Number:
Japanese Patent JP3746004
Kind Code:
B2
Abstract:
An electrochromic device is disclosed having a self-cleaning, hydrophilic optical coating. The electrochromic device preferably forms an external rearview mirror for a vehicle The coating preferably includes alternating layers of a photocatalytic material having a high index of refraction and a hydrophilic material having a low refractive index More specifically, the coating includes a first layer having a high refractive index, a second layer having a low refractive index, a third layer of titanium dioxide, and a fourth layer of silicon dioxide provided as an outermost layer. The disclosed optical coating exhibits a reflectance at the front surface of the reflective element that is less than about 20 percent, and has sufficient hydrophilic properties such that water droplets on a front surface of the optical coating exhibit a contact angle of less than about 20°.
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Inventors:
Toner, William Elle
Anderson, John S
Kamenga, David Jay
Anderson, John S
Kamenga, David Jay
Application Number:
JP2001507140A
Publication Date:
February 15, 2006
Filing Date:
June 23, 2000
Export Citation:
Assignee:
Gentex Corporation
International Classes:
B60R1/06; G02F1/15; B01J21/06; B01J35/02; B60R1/08; G02B1/10; G02B27/00; G02F1/157
Domestic Patent References:
| JP63104028A | ||||
| JP10036144A |
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Hiroyuki Uchida
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Hiroyuki Uchida