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发明名称
具有梯度提取之半镜中空背光
摘要
申请公布号
TWI490606
申请公布日期
2015.07.01
申请号
TW098136013
申请日期
2009.10.23
申请人
3M新设资产公司
发明人
惠特力 约翰 艾伦;刘涛
分类号
G02F1/13357;G02F1/1335
主分类号
G02F1/13357
代理机构
代理人
陈长文 台北市松山区敦化北路201号7楼
主权项
一种背光,其包含:一部分透射性前反射体及一后反射体,其形成一包含一输出表面之中空光再循环空腔;一半镜元件,其经安置于该中空光再循环空腔内;一光提取元件,其经安置于该中空光再循环空腔内,其中该光提取元件具有一梯度镜面反射性;至少一光源,其经安置以将光注入至该中空光再循环空腔中,其中该输出表面界定一横向平面,且该光源将光入射至该中空光再循环空腔中,该光具有一相对于该横向平面的在自0至40度之一范围中的平均通量偏向角。
地址
美国
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