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经营范围
发明名称
PROJECTION DISPLAY DEVICE
摘要
A projection display device is discussed, which includes an optical system having an improved arrangement, thereby being capable of reducing the size of the projection display device.
申请公布号
US2009128784(A1)
申请公布日期
2009.05.21
申请号
US20080265567
申请日期
2008.11.05
申请人
LG ELECTRONICS INC.
发明人
YOON CHAN YOUNG
分类号
G03B21/28
主分类号
G03B21/28
代理机构
代理人
主权项
地址
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