发明名称 Halftone mask having a shielding pattern and plural overlapping halftone patterns of different widths
摘要 A halftone mask includes a shielding pattern partially formed on a transparent substrate; a first halftone transmission pattern partially formed on the transparent substrate; and a second halftone transmission pattern formed on the first halftone transmission layer. On this halftone mask, a width of the second halftone transmission pattern is narrower than a width of the first halftone transmission pattern.
申请公布号 US7968257(B2) 申请公布日期 2011.06.28
申请号 US20090572983 申请日期 2009.10.02
申请人 LG DISPLAY CO., LTD. 发明人 LEE JI NO
分类号 G03F1/00;G03F1/08 主分类号 G03F1/00
代理机构 代理人
主权项
地址