发明授权
- 专利标题: Video light producing device and projection type video display
- 专利标题(中): 视频灯产生装置和投影型视频显示器
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申请号: US10784924申请日: 2004-02-24
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公开(公告)号: US07108377B2公开(公告)日: 2006-09-19
- 发明人: Yoshitaka Kurosaka , Takashi Ikeda , Hideyuki Kanayama
- 申请人: Yoshitaka Kurosaka , Takashi Ikeda , Hideyuki Kanayama
- 申请人地址: JP Osaka
- 专利权人: Sanyo Electric Co., Ltd.
- 当前专利权人: Sanyo Electric Co., Ltd.
- 当前专利权人地址: JP Osaka
- 代理机构: McDermott Will & Emery LLP
- 优先权: JP2003-046742 20030225; JP2003-339272 20030930
- 主分类号: G03B21/26
- IPC分类号: G03B21/26 ; G03B21/28 ; G02F1/1335 ; G02F1/00 ; G02B27/14 ; G02B6/00 ; H04N5/74
摘要:
To provide a projection type video display capable of reliably preventing a double image from being produced. A first light flux producer for producing a first light flux and a second light flux producer for producing a second light flux are arranged on the light emission side of a lamp. The light flux producer comprises a condenser lens, a rod integrator, and a pair of lenses. Lights passing through the pair of lenses are respectively refracted by condenser lenses, and are respectively introduced into first and second areas of a liquid crystal display panel in such a manner as to cross an optical surface in a color separating and mixing sector.
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