Patent ID: 7886793
Filing Date: 2011-02-15
Classification: B32B,G02F

Abstract:
1. A substrate bonding device for fabricating a liquid crystal display (LCD) panel, comprising: a base frame; a lower chamber unit mounted to the base frame, wherein the lower chamber unit defines a lower interior space and includes an upper surface; an upper chamber unit arranged over the lower chamber unit, wherein the upper chamber unit defines an upper interior space, includes a lower surface, and is joinable to the lower chamber unit; chamber moving means for raising and lowering the upper chamber unit; an upper stage arranged within the upper interior space for securing a first substrate; a lower stage arranged within the lower interior space for securing a second substrate, at least one of the upper and lower stages including an electrostatic chuck for applying an electrostatic charge to secure a corresponding one of the first and second substrates; alignment cameras provided to at least one of the upper and lower chamber units for verifying an alignment state of a plurality of alignment marks formed on the first and second substrates; alignment means arranged at side portions of the lower chamber unit for adjusting an alignment between the first and second substrates; and interlocking means provided to the chamber units for coupling the upper chamber unit to the lower chamber unit; and first and second reels arranged with respect to the surface of the upper stage.