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Sunlight coupler and sunlight system comprising thereof

Inactive Publication Date: 2014-05-08
ELECTRONICS & TELECOMM RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

Example embodiments of the invention provide a sunlight coupler that can reduce the number of optical fibers needed in an optical cable, as well as reducing installation costs. This allows for the creation of more efficient and cost-effective sunlight systems.

Problems solved by technology

However, the reflective mirror system, the optical pipe system, and the heliostat system can be utilized, only when they have been provided in design and construction stages of a building, and further, they may suffer from high maintenance cost.
For all that, the more the optical fiber in an optical cable, the higher the construction cost of the system, because the optical cable to be used in the optical fiber daylighting system is expensive.

Method used

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  • Sunlight coupler and sunlight system comprising thereof
  • Sunlight coupler and sunlight system comprising thereof
  • Sunlight coupler and sunlight system comprising thereof

Examples

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Embodiment Construction

[0024]Example embodiments of the inventive concepts will now be described more fully with reference to the accompanying drawings, in which example embodiments are shown. Example embodiments of the inventive concepts may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those of ordinary skill in the art. In the drawings, the thicknesses of layers and regions are exaggerated for clarity. Like reference numerals in the drawings denote like elements, and thus their description will be omitted.

[0025]It will be understood that when an element is referred to as being “connected” or “coupled” to another element, it can be directly connected or coupled to the other element or intervening elements may be present. In contrast, when an element is referred to as bein...

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Abstract

A sunlight coupler is provided, the sunlight coupler may include a beam integrator configured to concentrate beams of sunlight, which may be incident from a plurality of optical fibers, in the form of a single beam, a triplet lens focusing the concentrated beam on a specific position, and an optical fiber provided for transmission of the focused sunlight. The optical fiber may be a thermally-diffusion expand core fiber.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This U.S. non-provisional patent application claims priority under 35 U.S.C. §119 to Korean Patent Application No. 10-2012-0125889, filed on Nov. 8, 2012, in the Korean Intellectual Property Office, the entire contents of which are hereby incorporated by reference.BACKGROUND OF THE INVENTION[0002]Example embodiments of the inventive concept relate to a sunlight system, and in particular, to a sunlight coupler configured to transmit solar light concentrated through an optical fiber without loss.[0003]Due to recent rising oil prices, economical and eco-friendly renewable energy has been actively developed. Especially, a solar daylighting technology is being actively researched to realize a natural lighting.[0004]The solar daylighting technology can be realized using a reflective mirror system, a prism system, an optical pipe system, a heliostat system, or an optical fiber daylighting system. However, the reflective mirror system, the optica...

Claims

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Application Information

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IPC IPC(8): G02B19/00
CPCG02B19/0042G02B6/0006G02B6/06G02B6/262F21S11/00G02B6/0001
Inventor HEO, YOUNG SOONKANG, HYUN SEOKIM, YOUNG SUNPARK, HYOUNG JUNLIM, KWON-SEOBKIM, KEO-SIKJEON, EUN KYOUNG
Owner ELECTRONICS & TELECOMM RES INST
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