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Patent Searching and Data


Title:
DISPLAY PANEL SUBSTRATE AND SUBSTRATE EXPOSURE METHOD
Document Type and Number:
WIPO Patent Application WO/2012/073811
Kind Code:
A1
Abstract:
The present invention provides a display panel substrate and substrate exposure method whereby exposure can be performed accurately by preventing misrecognition or failure of detection of a pattern. A display panel substrate according to the present invention has a display region in which are arranged a plurality of picture elements and is provided with a pattern extending along the direction of arrangement of the picture elements in this display region. This pattern includes a main section having a fixed width and other portions, and has corners in positions within ±5 µm from a line parallel with the two edges of this main section. Alternatively, this main section has a length of at least 20% but less than 100% with respect to the length of the picture elements.

Inventors:
KOUCHI HIROKI
TANAKA SHIGEKI
Application Number:
PCT/JP2011/077158
Publication Date:
June 07, 2012
Filing Date:
November 25, 2011
Export Citation:
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Assignee:
SHARP KK (JP)
KOUCHI HIROKI
TANAKA SHIGEKI
International Classes:
G03F7/20; G02F1/1337
Domestic Patent References:
WO2007113933A12007-10-11
Foreign References:
JP2000227663A2000-08-15
JP2001154371A2001-06-08
JP2008076955A2008-04-03
JP2007041175A2007-02-15
Attorney, Agent or Firm:
YASUTOMI & Associates (JP)
Patent business corporation Yasutomi international patent firm (JP)
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Claims: