Patent ID: 11880057
Assignee: CORNING INCORPORATED
Field: Optics (Instruments)
Classification: CPC G | IPC F

Claim 11:
12. A backlight unit, comprising:
a glass light guide plate and a backplane assembly, the backplane assembly comprising:
a printed circuit board comprising a plurality of light sources attached thereto; and
a plurality of standoffs extending from the backplane assembly toward and in contact with the light guide plate, the plurality of standoffs sized to form a gap equal to or less than about 1 mm between individual light sources of the plurality of light sources and the light guide plate, each standoff of the plurality of standoffs surrounding a light source of the plurality of light sources, each standoff of the plurality of standoffs comprising an aperture through which the light source at least partially extends, the plurality of standoffs comprising at least one of discrete pillars or continuous ridges, wherein one continuous ridge does not intersect another continuous ridge; and
an adhesive disposed in the gap and coupling the plurality of light sources to the light guide plate.