Patent ID: 9488857
Filing Date: 2016-11-08
CPC Classification: C03C,G02F

Claim Text:
1. A method of strengthening the edge of a glass substrate comprising: masking a display panel, the display panel comprising a first glass substrate and a second glass substrate spaced apart from the first glass substrate and sealed to the first glass substrate with a sealing material, the first glass substrate comprising a terminal portion extending beyond the second glass substrate and electrically conducting terminal members positioned on the terminal portion, the masking comprising depositing a terminal mask over the electrically conducting terminal members on the terminal portion; depositing a surface mask on exposed major surfaces of the display panel, wherein the surface mask is recessed from edges of the exposed major surfaces a predetermined distance; and exposing edge surfaces of the display panel to an acid solution for a time and at a temperature effective to remove no more than 20 micrometers of glass from the edge surfaces.