Patent 7527083 was granted and assigned to AU Optronics on May, 2009 by the United States Patent and Trademark Office.
Provided is an adjusting method of a gap width of a laminated body composed of a color filter substrate and a TFT array substrate. A decompression chamber acting as a closed space communicating with a vacuum pump is decompressed, while a pressurization chamber that includes a decompression chamber is pressurized by driving a compressor.