| 发明名称 |
FAIL SAFE DISPLAY FOR SHELF LABELS |
| 摘要 |
Described is an electronic shelf label LCD device having a segmented liquid crystal (LC) film disposed on a plurality of segmented and non-segmented photovoltaic cells which provide power for driving the LCD device and electrical signals which are used to indicate malfunctioning LCD segments. |
| 申请公布号 |
CA2054583(C) |
申请公布日期 |
1995.08.29 |
| 申请号 |
CA19912054583 |
申请日期 |
1991.10.31 |
| 申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
HARRIS, RICHARD H. |
| 分类号 |
G02F1/133;G02F1/13;G02F1/1333;G02F1/135;G06F11/00;G09G3/00;G09G3/18;(IPC1-7):G02F1/133 |
主分类号 |
G02F1/133 |
| 代理机构 |
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代理人 |
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