KR101728429B1 - 도광체 및 조광 장치 - Google Patents

도광체 및 조광 장치 Download PDF

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Publication number
KR101728429B1
KR101728429B1 KR1020150112252A KR20150112252A KR101728429B1 KR 101728429 B1 KR101728429 B1 KR 101728429B1 KR 1020150112252 A KR1020150112252 A KR 1020150112252A KR 20150112252 A KR20150112252 A KR 20150112252A KR 101728429 B1 KR101728429 B1 KR 101728429B1
Authority
KR
South Korea
Prior art keywords
light
light guide
reflection surface
light source
groove
Prior art date
Application number
KR1020150112252A
Other languages
English (en)
Korean (ko)
Other versions
KR20160022770A (ko
Inventor
히데유키 이시다
가즈타카 이세
하루오 도미나가
Original Assignee
알프스 덴키 가부시키가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 알프스 덴키 가부시키가이샤 filed Critical 알프스 덴키 가부시키가이샤
Publication of KR20160022770A publication Critical patent/KR20160022770A/ko
Application granted granted Critical
Publication of KR101728429B1 publication Critical patent/KR101728429B1/ko

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—Reflecting element, sheet or layer

Landscapes

  • Physics & Mathematics (AREA)
  • Planar Illumination Modules (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)
KR1020150112252A 2014-08-20 2015-08-10 도광체 및 조광 장치 KR101728429B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2014-167499 2014-08-20
JP2014167499A JP6265547B2 (ja) 2014-08-20 2014-08-20 導光体及び照光装置

Publications (2)

Publication Number Publication Date
KR20160022770A KR20160022770A (ko) 2016-03-02
KR101728429B1 true KR101728429B1 (ko) 2017-04-19

Family

ID=55582553

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150112252A KR101728429B1 (ko) 2014-08-20 2015-08-10 도광체 및 조광 장치

Country Status (2)

Country Link
JP (1) JP6265547B2 (ja)
KR (1) KR101728429B1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017195176A (ja) * 2016-04-15 2017-10-26 ミネベアミツミ株式会社 光学部材、面状照明装置、及び加工方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003098357A (ja) * 2001-09-20 2003-04-03 Nippon Leiz Co Ltd 導光体および光源装置ならびに平面照明装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0455002U (ja) * 1990-09-18 1992-05-12
JP2001250413A (ja) 2000-03-07 2001-09-14 Pioneer Electronic Corp 光源装置
CN101228391B (zh) * 2005-07-28 2010-09-29 光处方革新有限公司 用于背光源和前灯的聚光本领-保持的照明光学器件
WO2008045364A2 (en) * 2006-10-06 2008-04-17 Qualcomm Mems Technologies, Inc. Illumination assemblies comprising light bars
JP2009087887A (ja) * 2007-10-03 2009-04-23 Colcoat Kk 車両用室内照明装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003098357A (ja) * 2001-09-20 2003-04-03 Nippon Leiz Co Ltd 導光体および光源装置ならびに平面照明装置

Also Published As

Publication number Publication date
KR20160022770A (ko) 2016-03-02
JP2016046010A (ja) 2016-04-04
JP6265547B2 (ja) 2018-01-24

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E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant