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Two-dimensional image forming device

A two-dimensional image and light source technology, which is applied in projection devices, image communication, image reproducers using projection devices, etc., can solve the problems of difficulty in application and use, and achieve the effect of expanding the scope of use and high portability

Inactive Publication Date: 2009-07-22
PANASONIC CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] However, since each of the above conventional devices switches the display state of a two-dimensional image, there is a problem that it is inherently difficult to use the light emitted from the light source for purposes other than two-dimensional image display.
[0012] In addition, in the conventional proposal of the display switching method in the two-dimensional image forming apparatus, since it is assumed that the two-dimensional image forming apparatus is used in an almost fixed state at the determined place, there are, for example, small It is difficult to apply such a problem to a two-dimensional image forming device

Method used

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Embodiment Construction

[0075] Hereinafter, embodiments of the present invention will be described using the drawings.

[0076] (Embodiment 1)

[0077] The present invention proposes that on the basis of the two-dimensional image display function of the two-dimensional image forming device, a new function other than image display is added to the device in a simple way by utilizing the inherent characteristics of the two-dimensional image forming device. The structure of the functional two-dimensional image forming device, and its practicability was verified.

[0078] First, in Embodiment 1, it will be described that, in addition to displaying a two-dimensional image, it is possible to display a two-dimensional image by including an optical path switching unit for switching the emission direction of light emitted from a light source in a two-dimensional image forming apparatus. Used as a form of illumination light.

[0079] figure 1 An example of the structure of the two-dimensional image device ac...

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Abstract

A two-dimensional image forming device (10) comprising a light source (1), two-dimensional image forming units (5a-5c) for forming a two-dimensional image by an output light from the light source, and a magnifying / projecting unit (6) for magnifying and projecting a two-dimensional image formed by the two-dimensional image forming units, wherein a rotation mechanism (11) for rotating the light source (1) is provided so as to change its light outputting direction, the output light from the light source having its light outputting direction from the light source changed by the rotation mechanism being picked up as a lighting light. The two-dimensional image forming device doubling as a lighting device and realized at a low cost, with the application range thereof significantly expanded.

Description

technical field [0001] The present invention relates to a two-dimensional image forming device, and more particularly, to a two-dimensional image forming device capable of emitting light from a light source for purposes other than projection of a two-dimensional image. Background technique [0002] Two-dimensional image forming devices typified by liquid crystal projectors are being researched, developed and commercialized because they are easy to display large-screen images such as rear-projection or magnified projection, and their applications are becoming more and more extensive. [0003] The focus of current research and development on such two-dimensional image forming devices is on the method of miniaturization, high brightness, high illuminance, high contrast, and high resolution performance of the device. Furthermore, as a result of such research and development, for example, a very compact high-brightness device of 1000 ANSI lumens is being put to practical use in a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03B21/14H04N9/31
CPCH04N9/3197G03B21/14H04N9/3155H04N9/315G03B21/208
Inventor 杉田知也笠澄研一
Owner PANASONIC CORP
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