Title:
OPTICAL STRUCTURE FOR LIGHT-EMITTING DIODE DEVICE AND LIGHT-EMITTING DIODE DEVICE FOR LIGHTING APPLICATION INCLUDING THE SAME
Document Type and Number:
WIPO Patent Application WO/2020/171506
Kind Code:
A1
Abstract:
An optical structure for a light-emitting diode (LED) device, and an LED device for a lighting application including the same. The optical structure includes a light guide plate and a prism sheet, the light guide plate having first and second surfaces facing away from each other, the prism sheet is disposed on a peripheral portion of the first surface, and includes a plurality of prisms continuously arranged in one direction to form a pattern. At least some prisms have an asymmetrical structure in which light-refracting surfaces have different inclinations.
Inventors:
KIM EUISOO (KR)
YOON HONG (KR)
YOON HONG (KR)
Application Number:
PCT/KR2020/002236
Publication Date:
August 27, 2020
Filing Date:
February 17, 2020
Export Citation:
Assignee:
CORNING INC (US)
International Classes:
H01L33/58; G02B5/04; H01L33/10; H01L33/46
Domestic Patent References:
| WO2010114345A2 | 2010-10-07 |
Foreign References:
| US20140132887A1 | 2014-05-15 | |||
| US20070263412A1 | 2007-11-15 | |||
| US20090167987A1 | 2009-07-02 | |||
| KR20110028142A | 2011-03-17 | |||
| KR20060098141A | 2006-09-18 | |||
| KR20130017868A | 2013-02-20 |
Attorney, Agent or Firm:
Y.P.LEE, MOCK & PARTNERS (KR)
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