Operating scheme for the light-emitting diode array of a volumetric display that exhibits multiple full-color dynamic images

Hirayama Ryuji; Shiraki Atsushi; Nakayama HirotakaKakue TakashiShimobaba TomoyoshiIto Tomoyoshi

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Operating scheme for the light-emitting diode array of a volumetric display that exhibits multiple full-color dynamic images

机译：Operating scheme for the light-emitting diode array of a volumetric display that exhibits multiple full-color dynamic images

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摘要

We designed and developed a control circuit for a three-dimensional (3-D) light-emitting diode (LED) array to be used in volumetric displays exhibiting full-color dynamic 3-D images. The circuit was implemented on a field-programmable gate array; therefore, pulse-width modulation, which requires high-speed processing, could be operated in real time. We experimentally evaluated the developed system by measuring the luminance of an LED with varying input and confirmed that the system works appropriately. In addition, we demonstrated that the volumetric display exhibits different full-color dynamic two-dimensional images in two orthogonal directions. Each of the exhibited images could be obtained only from the prescribed viewpoint. Such directional characteristics of the system are beneficial for applications, including digital signage, security systems, art, and amusement. (C) The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License.

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来源
《Optical Engineering》 |2017年第7期|073108-1-073108-7|共7页
作者
Hirayama Ryuji; Shiraki Atsushi; Nakayama HirotakaKakue TakashiShimobaba TomoyoshiIto Tomoyoshi;
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作者单位

Chiba Univ, Grad Sch Engn, Inage Ku, Chiba, Japan;

Chiba Univ, Inst Management & Informat Technol, Inage Ku, Chiba, Japan;

Natl Astron Observ Japan, Ctr Computat Astrophys, Mitaka, Tokyo, Japan;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类计量学;光学仪器;
关键词
volumetric three-dimensional display; light-emitting diode; field-programmable gate array; digital signage;

Operating scheme for the light-emitting diode array of a volumetric display that exhibits multiple full-color dynamic images

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