A vehicular interior electrochromic mirror reflective element, the vehicular interior electrochromic mirror reflective element comprising:
- a planar rear interior mirror-shaped glass substrate;
- a planar front interior mirror-shaped glass substrate;
- wherein the planar front interior mirror-shaped glass substrate is shape cut from a planar glass sheet having a first surface and a second surface separated by a thickness dimension of the planar glass sheet;
- wherein the thickness dimension of the planar glass sheet is less than 2 mm;
- wherein a transparent electrically conductive layer is disposed at the second surface of the planar glass sheet;
- wherein the planar front interior mirror-shaped glass substrate has a maximum length dimension and a maximum width dimension;
- wherein at least one selected from the group consisting of (i) the planar glass sheet has a width dimension that is at least two times the maximum width dimension of the planar front interior mirror-shaped glass substrate and (ii) the planar glass sheet has a length dimension that is at least two times the maximum length dimension of the planar front interior mirror-shaped glass substrate;
- wherein the planar glass sheet comprises at least two planar front glass substrate portions;
- wherein the planar rear interior mirror-shaped glass substrate has a third surface and a fourth surface separated by a thickness dimension of the planar rear interior mirror-shaped glass substrate, and wherein a mirror reflector is disposed at the third surface of the planar rear interior mirror-shaped glass substrate, and wherein the mirror reflector comprises an electrically conductive layer;
- wherein the thickness dimension of the planar rear interior mirror-shaped glass substrate is less than 2 mm, and wherein the planar rear interior mirror-shaped glass substrate has a circumferential perimeter cut edge that spans the thickness dimension of the planar rear interior mirror-shaped glass substrate;
- wherein a perimeter seal establishes an interpane cavity between the third surface of the planar rear interior mirror-shaped glass substrate and the second surface of the planar glass sheet at a respective planar front glass substrate portion of the planar glass sheet;
- an electrochromic medium disposed in the interpane cavity;
- wherein the planar rear interior mirror-shaped glass substrate is joined with the respective planar front glass substrate portion at the second surface of the planar glass sheet via the perimeter seal;
- wherein, with the planar rear interior mirror-shaped glass substrate joined with the respective planar front glass substrate portion of the planar glass sheet via the perimeter seal, the planar glass sheet is shape cut at the respective planar front glass substrate portion;
- wherein the planar front interior mirror-shaped glass substrate, when shape cut from the respective planar front glass substrate portion of the at least two planar front glass substrate portions of the planar glass sheet, has a first surface and a second surface separated by a thickness dimension of the planar front interior mirror-shaped glass substrate, and wherein the transparent electrically conductive layer is disposed at the second surface of the planar front interior mirror-shaped glass substrate;
- wherein the planar front interior mirror-shaped glass substrate, when shape cut from the respective planar front glass substrate portion of the at least two planar front glass substrate portions of the planar glass sheet, has a circumferential perimeter cut edge that spans the thickness dimension of the planar front interior mirror-shaped glass substrate;
- and
- wherein, with the planar rear interior mirror-shaped glass substrate joined with the planar front interior mirror-shaped glass substrate, and with the planar front interior mirror-shaped glass substrate shape cut from the respective planar front glass substrate portion of the at least two planar front glass substrate portions of the planar glass sheet, the circumferential perimeter cut edge of the planar front interior mirror-shaped glass substrate and the circumferential perimeter cut edge of the planar rear interior mirror-shaped glass substrate are processed to provide a circumferential rounded perimeter edge of the vehicular interior electrochromic mirror reflective element having a radius of curvature of at least 2.5 mm.