Title:
照明光学ユニットの製造方法、照明光学ユニットの製造装置、この製造方法により製造された照明光学ユニット、および、プロジェクタ
Document Type and Number:
Japanese Patent JP3953066
Kind Code:
B2
Abstract:
A first positioning step positions and fixes a light focusing element and a polarization converting element. A beam introducing step introduces beams to a beam splitting element, the light focusing element and the polarization converting element. An optical image forming step detects an optical image through the above elements. An illumination-area comparing step performs an image processing on the detected optical image to compare an illumination area formed by the optical image with a designed illumination area. A beam-splitting-element position-adjusting step adjusts the position of the beam splitting element.
Inventors:
Masashi Kitabayashi
Naoyuki Miyajima
Masaki Maruyama
Naoyuki Miyajima
Masaki Maruyama
Application Number:
JP2004521192A
Publication Date:
August 01, 2007
Filing Date:
July 11, 2003
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
G03B21/14; G02B27/28; G02F1/13; G02F1/1335; G02F1/13357; H04N9/31
Domestic Patent References:
| JP2002031843A | ||||
| JP2002023109A | ||||
| JP2001222061A | ||||
| JP2000314919A | ||||
| JP2002189249A |
Attorney, Agent or Firm:
Kinoshita Minoru
Kanji Nakayama
Tsuyoshi Ishizaki
Kanji Nakayama
Tsuyoshi Ishizaki
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