OPTICAL MEMBER AND MICROLENS ARRAY - PANASONIC IP MAN CO LTD

Title:

OPTICAL MEMBER AND MICROLENS ARRAY

Document Type and Number:

WIPO Patent Application WO/2017/061119

Kind Code:

A1

Abstract:

This optical member (10) is provided with: a phosphor layer (11) including a phosphor which converts the wavelength of a portion of the light incident on an incidence surface from a light source (16); and a microlens array (12) which emits, from an emission surface, the portion of the light which has had the wavelength thereof converted by the phosphor layer (11), and the other portion of the light which has transmitted through the phosphor layer (11). A diffractive lens array (14) for diffracting and emitting the portion of the light which has had the wavelength thereof converted and the other portion of the light which has been transmitted is provided to the emission surface of the microlens array (12). The pitch of the diffractive lens array (14) is different in each prescribed segment.

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Inventors:

YAMANA MASAHITO
HAYASHI SHINTARO

Application Number:

PCT/JP2016/004499

Publication Date:

April 13, 2017

Filing Date:

October 06, 2016

Export Citation:

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Assignee:

PANASONIC IP MAN CO LTD (JP)

International Classes:

G02B5/18; F21V5/04; F21V9/16; G02B3/08; G02B5/20; F21Y115/10; F21Y115/30

Domestic Patent References:

WO2013024836A1

2013-02-21

Foreign References:

JP2012123371A	2012-06-28
JP2011171086A	2011-09-01
JP2000171613A	2000-06-23
JP2012209142A	2012-10-25
JP2013229145A	2013-11-07

Other References: