Patent ID: 7839477
Filing Date: 2010-11-23
Classification: G02F,H01L,Y10T

Abstract:
1. A substrate bonding apparatus for bonding a first substrate and a second substrate for a liquid crystal display panel using a venting process, comprising: a lower chucking plate chucking the second substrate; and an upper chucking plate including a plurality of blocks each having a main venting hole and at least two sub venting holes; a plurality of main venting lines that are connected to the main venting holes of the blocks; sub-venting lines that branch off from each of the main venting lines and are connected to the at least two sub-venting holes associated with the main venting line, wherein the sub-venting lines are arranged outside of the upper chucking plate; wherein the upper chucking plate chucks the first substrate in accordance with a chucking operation of the blocks and subsequently releases the chucked first substrate such that the first substrate falls down toward the second substrate.