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Method for forming 3D color display inside transparent media

A transparent medium, color display technology, applied in image communication, electrical components, stereo systems, etc., can solve problems such as reducing display resolution, and achieve the effect of improving spatial resolution and complexity

Inactive Publication Date: 2007-02-21
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The static display has high requirements on the control accuracy of the laser beam position, and the high resolution requires smaller volume pixels. The two laser beams must accurately intersect at the predetermined position. However, the static volume display based on the TFTS principle needs to meet the requirements of the two laser beams. overlap, so the volume pixel cannot be too small, otherwise the two laser beams are difficult to intersect, which reduces the resolution of the display

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] 100mm×100mm×1000mm with six sides polished 3 The transparent borosilicate glass-ceramic containing β-BBO nanocrystals is used as a display body, irradiated with focused 900nm, 1082nm and 1224nm Q-switched nanosecond lasers, respectively producing blue, green, and blue near the focus of the laser focus. Red luminescence (frequency doubling scattered light), through the computer-controlled scanning system, forms a three-dimensional three-dimensional color display inside the glass.

Embodiment 2

[0027] 100mm×100mm×1000mm with six sides polished 3 The transparent polymethyl methacrylate containing KTP nanocrystals is used as a display body, irradiated with focused 960nm, 1080nm and 1240nm Q-switched nanosecond lasers, respectively producing blue, green and red luminescence near the focus of the laser focus (frequency doubling scattered light), through the computer-controlled scanning system, a three-dimensional three-dimensional color display is formed inside the glass.

Embodiment 3

[0029] 100mm×100mm×1000mm with six sides polished 3 The transparent silicate glass-ceramic containing LN nanocrystals is used as a display body, and the focused 950nm, 1032nm and 1260nm mode-locked femtosecond lasers are irradiated, and blue, green and red luminescence are produced near the focus of the laser focus respectively. (frequency doubling scattered light), through the computer-controlled scanning system, a three-dimensional three-dimensional color display is formed inside the glass.

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PUM

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Abstract

The method comprises: using a transparent medium made of second order nonlinear optic nano-crystal in size of 1-100nm as a display basis, and using infrared laser with two times of wavelength of its corresponding RGB tricolor visible light to scan the display basis, and using the computer to control the scan rate and the laser focus position, such that a 3D color image will be displayed in the transparent media.

Description

technical field [0001] The invention relates to a method for forming a three-dimensional color display inside a transparent medium. Background technique [0002] For a long time, people have been looking for a technology that can display images in three-dimensional space. TV is a fairly mature plane display. It uses the principle of electron beam to quickly scan two-dimensional plane to excite and generate fluorescence to display images. The observer can only observe the image in a certain area facing the screen, and cannot obtain any depth information about the image. information. The three-dimensional display is not affected by the position of the observer, and the observer can observe 360° around the display body. And the amount of information that can be expressed by three-dimensional display far exceeds that of plane display, and it can instantly display the dynamic information of any part of any angle of an object. These advantages make the three-dimensional display...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N13/00
Inventor 邱建荣朱斌周时凤曾伟徐时清
Owner ZHEJIANG UNIV
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