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Stereo display device

A stereoscopic display device, image technology, applied in the direction of optical components, optics, instruments, etc., can solve the problems of reducing the optical performance of the display device, the difficulty of manufacturing aspheric lenses, etc.

Inactive Publication Date: 2004-07-14
SAMSUNG ELECTRONICS CO LTD
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Problems solved by technology

[0005] However, there is a problem in the stereoscopic display device employing multi-image combination as described above, that is, the use of two large aspherical parabolic real image projectors makes it impossible for the display device to be used in small-sized products such as mobile phones.
In addition, the manufacture of two aspherical lenses with mirror curvature is very difficult and degrades the optical performance of the display device due to aberrations caused by geometrical defects that are necessarily caused during the manufacturing process

Method used

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Embodiment Construction

[0020] The term holographic optical element refers to a hologram used as an optical element designed to obtain a desired signal waveform by reproducing or transforming a signal waveform recorded in a hologram area.

[0021] The present invention is characterized in that the stereoscopic display device has a holographic optical element. That is, a stereoscopic display device according to the present invention includes one or more image sources, a beam splitter, and a holographic optical element, and the beam splitter and holographic optical element are configured so that Images are projected onto different spaces.

[0022] More specifically, the present invention employs reflective or transmissive holographic optical elements (HOEs), which are diffractive optical elements, in place of the large spherical lenses described in US Patent No. 5,886,818. For example, as is known in the art, reflective or transmissive HOEs are made from holograms, which are diffraction gratings compr...

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Abstract

A stereoscopic display device for compositing and reproducing a plurality of images on a three-dimensional space. The stereoscopic display device includes one or more image sources, a beam splitter, and a holographic optical element, wherein the beam splitter and the holographic optical element are configured to project an image from each image source onto a different space.

Description

technical field [0001] The present invention relates to a stereoscopic image display device, and more particularly, to a stereoscopic image display device for combining and displaying a plurality of images in a three-dimensional space. Background technique [0002] With the rapid development of digital technology, the field of information and communication has been rapidly developed, and this development has further led to qualitative and quantitative improvements in the transmission of personal information. Therefore, what people pay more attention to is not so much what information to transmit, but how to transmit information. In the image information service as one of the most effective ways to transmit information, the image is usually displayed as a two-dimensional picture. However, in order to transmit image information more reliably and efficiently, research on a stereoscopic display device for displaying image information in a three-dimen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B5/32G02B27/22
CPCG02B5/32G02B27/2235G02B30/35
Inventor 闵池泓崔桓荣李文圭赵成民金荣一
Owner SAMSUNG ELECTRONICS CO LTD