Electrochromic mirror with two thin glass elements and a gelled

Details Electrochromic mirror with two thin glass elements and a gelled Electrochromic mirror with two thin glass elements and a gelled

1999-08-16

2000-05-02

Epps, Georgia

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359270, 359273, 359274, 359513, G02F 1153, G02B 1104

Patent

active

060579560

ABSTRACT:
An improved electrochromic rearview mirror for motor vehicles, the mirror incorporating thin front and rear spaced glass elements having a thickness ranging from about 0.5 to about 1.5. A layer of transparent conductive material is placed onto the mirror's second surface, and either another layer of transparent conductive material or a combined reflector/electrode is placed onto the mirror's third surface. A chamber, defined by the layers on the interior surfaces of the front and rear glass elements and a peripheral sealing member, contains a free-standing gel comprising a solvent and a crosslinked polymer matrix. The chamber further contains at least one electrochromic material in solution with the solvent and interspersed in the crosslinked polymer matrix. The gel cooperatively interacts with the thin glass elements to form a thick, strong unitary member which is resistant to flexing, warping, bowing and/or shattering and further allows the mirror to exhibit reduced vibrational distortion and double imaging.

REFERENCES:
patent: 4902108 (1990-02-01), Byker
patent: 5145609 (1992-09-01), Varaprasad et al.
patent: 5790298 (1998-08-01), Tonar
patent: 5801873 (1998-09-01), Byker
patent: 5818625 (1998-10-01), Forgette et al.
patent: 5825527 (1998-10-01), Forgette et al.
patent: 5928572 (1999-07-01), Tonar et al.

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