发明名称 Contrast enhancement device for led arrays
摘要 A contrast enhancement device for an LED display is achieved by providing rectangular wire screen of substantially the dimensions of the LED-bearing face of a module block LED array. The edges of the rectangular wire screen are ultrasonically welded to the edges of the LED-bearing face of the module block LED array.
申请公布号 US6392614(B1) 申请公布日期 2002.05.21
申请号 US19960618120 申请日期 1996.03.19
申请人 TRANS-LUX CORPORATION 发明人 HIRSCHAUER KARL;DURAY FRED;DOERING JOSEPH M.
分类号 G02B5/20;G02B27/00;G09F9/33;G09G3/06;H01L33/64;H01L51/52;(IPC1-7):G09G3/06 主分类号 G02B5/20
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