Advanced & outstanding technology make OYPDLC smart film bonding with glass no distance, no boundary(lamination to glass edge), which achieves opaque at glass edges. This feature is mainly used in office partition, hotels with the opaque(light-proof) effect for multi joint/split glass.
Here comparing the OY-Edge switchable smart glass and the ordinary smart glass:

OY-Edge switchable glass:

Ordinary switchable smart glass:

Take a close look on the glass edge(OY-Edge):

Take a close look on the glass edge(Ordinary):

Glass before bonding(OY-Edge):

Glass before bonding(Ordinary):

Glass joint together-edge opaque(OY-Edge)

Glass joint together-edge opaque(Ordinary)