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Manufacturing method and bonding apparatus with vacuum chuck with independent retaining portions for liquid crystal (LCD) device

  • US 7,050,141 B2
  • Filed: 12/03/2003
  • Issued: 05/23/2006
  • Est. Priority Date: 12/27/2002
  • Status: Expired due to Term
First Claim
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1. A manufacturing method for a liquid crystal display device, comprising the steps of:

  • applying a liquid crystal to a first substrate;

    fixing the first substrate by a first vacuum chuck;

    fixing a second substrate by a second vacuum chuck;

    the second vacuum chuck comprising a plurality of retaining regions on a chuck surface thereof, the plurality of retaining regions being capable of performing mutually independent retaining operations and being disposed outward from the center of the chuck surface, andbonding a second substrate to a surface of the first substrate to which the liquid crystal has been applied,the retaining operations of the plurality of retaining regions being stopped in order outward from the center in the bonding step,wherein a predetermined region of the second substrate is bonded to the first substrate, and the bonded region is expanded with the elapse of time.

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