发明授权
US6043860A Method for reducing stabilization time for an LCD using voltage and
radiation
失效
降低LCD使用电压和辐射的稳定时间的方法
- 专利标题: Method for reducing stabilization time for an LCD using voltage and radiation
- 专利标题(中): 降低LCD使用电压和辐射的稳定时间的方法
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申请号: US44060申请日: 1998-03-19
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公开(公告)号: US6043860A公开(公告)日: 2000-03-28
- 发明人: Chung-Kuang Wei , Chen-Lung Kuo , Yong-Hong Lu , Chieh-Li Chen
- 申请人: Chung-Kuang Wei , Chen-Lung Kuo , Yong-Hong Lu , Chieh-Li Chen
- 申请人地址: TWX Hsin-Chu
- 专利权人: Industrial Technology Research Institute
- 当前专利权人: Industrial Technology Research Institute
- 当前专利权人地址: TWX Hsin-Chu
- 主分类号: G02F1/137
- IPC分类号: G02F1/137 ; G02F1/139 ; G02F1/13 ; G02F1/1337
摘要:
A method for manufacturing a liquid crystal display having both wide angle viewing and fast response is described. A key feature of the method is the addition to the liquid crystal of a small amount of a monomer, selected from among the diacrylates or the monoacrylates, as well as a chiral dopant. Once the display has been assembled, the usual turn-on voltage (about 5 volts) is applied. After allowing the orientations of the directors to stabilize, the liquid crystal is irradiated with ultraviolet light for a few seconds. This causes the dissolved monomer to polymerize in place. The UV irradiation and applied voltage are then terminated. Defects that slow down the director stabilization are now prevented from re-forming so that the next time voltage is applied, the system responds in a few milliseconds. Adding a photoinitiator, in addition to the monomer, is an option.
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