发明名称 DISPLAY DEVICE WITH WATERMARK
摘要 <p>The present invention is directed to display devices comprising a watermark area and a non-watermark area. The watermark aims to protect against counterfeiting or to be used for decoration purposes. The watermark is visible at certain viewing angles and/or under certain lighting conditions and it does not interfere with displaying of the regular images.</p>
申请公布号 EP2856460(A1) 申请公布日期 2015.04.08
申请号 EP20130797753 申请日期 2013.05.16
申请人 E INK CALIFORNIA, LLC 发明人 LIN, CRAIG;CHAN, BRYAN H.
分类号 G09F9/00;G02F1/1333;G02F1/167 主分类号 G09F9/00
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