Stereoscopic image display apparatus, display apparatus, divided wave plate filter, plate-shaped filter, and filter position adjusting mechanism attached to the display apparatus, aligning apparatus, filter position adjusting method, and filter aligning method

a technology of display apparatus and display apparatus, which is applied in the direction of mountings, optics, instruments, etc., can solve the problems of quality, color representation difficulty, and field of view degradation, and achieve the effect of reliabl
US20050264904A1Inactive Publication Date: 2005-12-01SONY CORP
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
SONY CORP
Publication Date
2005-12-01
Estimated Expiration
Not applicable · inactive patent

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Abstract

A stereoscopic image display apparatus includes: an image display unit 22 for displaying image information corresponding to parallax in a first division and a second division; a divided wave plate filter unit 12 having a frame 41 and disposed adjacent to the first division and the second division of the image display unit, for rotating polarized light of the image information from the first division to a direction different from polarized light of the image information from the second division; and position adjusting means 35R and 35L for acting on the frame of the divided wave plate filter unit and thereby allowing adjustment of a relative position between the image display unit and the divided wave plate filter. Also, a display apparatus includes: a filter unit used in a state of being laid over an image display unit for displaying image information in a first division and a second division; and a filter frame portion disposed integrally around a periphery of the filter unit; wherein the filter unit has a first wave plate in a region corresponding to the first division of the image display unit for rotating polarization direction of the image information from the first division to a direction different from polarization direction of the image information from the second division; and the filter frame portion has an alignment mark formed therein by a second wave plate for rotating polarization direction.
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Description

TECHNICAL FIELD

[0001] The present invention relates to a display apparatus that makes it possible to view an image with parallax information, a plate-shaped filter attached to such a display apparatus, a filter position adjusting mechanism, and a filter position adjusting method, and particularly to a filter position adjusting mechanism and a filter position adjusting method for mounting a divided wave plate filter with high precision for display of an optimum stereoscopic image. BACKGROUND ART

[0002] Conventionally, various attempts have been made for technology of representing a three-dimensional image, and methods of display of a three-dimensional image have been studied and put to practical use in many fields such as photography, movies, television and the like. Methods of displaying a three-dimensional image are roughly classified into methods of a glasses type and methods of a no-glasses type. Both types of methods input an image with binocular parallax to a right and a left ...

Claims

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