Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Syou Yanagisawa0
Date of Patent
February 28, 2017
Patent Application Number
14109990
Date Filed
December 18, 2013
Patent Citations Received
Patent Primary Examiner
Patent abstract
A display device is configured to provide a crack detection line running from a first crack detection terminal along a side of a TFT substrate to extend to a second crack detection terminal. A switching transistor for switching between an image display and crack detection is provided at a side opposite a terminal portion between the crack detection line and a video signal line. The crack that may cause disconnection in the crack detection line is detected by turning the switching transistor on, and applying the voltage for lighting inspection to the first crack detection terminal and the second crack detection terminal sequentially in this order.
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