JP2017195163A - 導光板及び面照明装置 - Google Patents
導光板及び面照明装置 Download PDFInfo
- Publication number
- JP2017195163A JP2017195163A JP2016086507A JP2016086507A JP2017195163A JP 2017195163 A JP2017195163 A JP 2017195163A JP 2016086507 A JP2016086507 A JP 2016086507A JP 2016086507 A JP2016086507 A JP 2016086507A JP 2017195163 A JP2017195163 A JP 2017195163A
- Authority
- JP
- Japan
- Prior art keywords
- light
- guide plate
- light guide
- incident
- light source
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/61—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides
-
- 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
-
- 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
- G02B6/002—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2111/00—Light sources of a form not covered by groups F21Y2101/00-F21Y2107/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0051—Diffusing sheet or layer
-
- 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
Description
10 光源ホルダ
20 光源
30 導光板
31 入射面
32 出射面
33 反射面
Claims (6)
- 光源から光が入射する端面であって厚み方向に平行な面である入射面と、
前記入射面から入射した光が出射する面であって厚み方向に垂直な面である出射面と、
が形成された導光板において、
前記導光板の厚み方向及び前記光源と前記導光板の配列方向の両方に平行な面で切った断面において、前記入射面の少なくとも一部が前記光源側に膨らむ曲線であることを特徴とする導光板。 - 請求項1に記載の導光板であって、
前記断面において、前記入射面の前記曲線が円弧又は楕円弧であることを特徴とする導光板。 - 請求項1又は2に記載の導光板であって、
前記断面において、前記入射面の全体が前記光源側に膨らむ曲線であることを特徴とする導光板。 - 請求項1から3までの何れか一項に記載の導光板であって、
前記入射面に対して反対側の端面には、前記入射面から入射された光を前記導光板の内側へ反射する反射面が形成されており、
前記断面において、前記反射面の少なくとも一部が入射面の反対側に膨らむ曲線であることを特徴とする導光板。 - 請求項1から4までの何れか一項に記載の導光板であって、
前記断面において、前記出射面の少なくとも一部が曲がっている又は曲げ可能に構成されていることを特徴とする導光板。 - 請求項1から5までの何れか一項に記載の導光板と、
前記導光板の前記入射面へ光を照射する光源と、
を備えることを特徴とする面照明装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016086507A JP2017195163A (ja) | 2016-04-22 | 2016-04-22 | 導光板及び面照明装置 |
KR1020187029566A KR20180121634A (ko) | 2016-04-22 | 2017-04-19 | 도광판 및 면 조명장치 |
PCT/JP2017/015757 WO2017183661A1 (ja) | 2016-04-22 | 2017-04-19 | 導光板及び面照明装置 |
CN201780023549.4A CN109073171A (zh) | 2016-04-22 | 2017-04-19 | 导光板及面照明装置 |
US16/094,185 US10677979B2 (en) | 2016-04-22 | 2017-04-19 | Light guide plate and surface-lighting device |
TW106113471A TWI639870B (zh) | 2016-04-22 | 2017-04-21 | Light guide plate and surface lighting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016086507A JP2017195163A (ja) | 2016-04-22 | 2016-04-22 | 導光板及び面照明装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2017195163A true JP2017195163A (ja) | 2017-10-26 |
Family
ID=60116108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016086507A Pending JP2017195163A (ja) | 2016-04-22 | 2016-04-22 | 導光板及び面照明装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10677979B2 (ja) |
JP (1) | JP2017195163A (ja) |
KR (1) | KR20180121634A (ja) |
CN (1) | CN109073171A (ja) |
TW (1) | TWI639870B (ja) |
WO (1) | WO2017183661A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019105827A (ja) * | 2017-12-12 | 2019-06-27 | 現代自動車株式会社Hyundai Motor Company | 光拡散複合レンズ |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7005243B2 (ja) | 2017-09-14 | 2022-01-21 | 株式会社ジャパンディスプレイ | 表示装置 |
JP6781211B2 (ja) * | 2018-08-22 | 2020-11-04 | 矢崎総業株式会社 | 車両用室内照明装置およびルーフモジュール |
CN109254345B (zh) * | 2018-11-19 | 2020-04-21 | 京东方科技集团股份有限公司 | 导光板及其制作方法、背光模组、显示模组和终端 |
JP2022510914A (ja) * | 2018-11-30 | 2022-01-28 | コーニング インコーポレイテッド | 導光板を備えるバックライト、結果的に得られたディスプレイデバイス、それを製造する方法およびそれを使用する方法 |
DE102019122470A1 (de) * | 2019-08-21 | 2021-02-25 | Webasto SE | Beleuchtungsanordnung für ein Fahrzeugdach, Verfahren zum Herstellen einer Beleuchtungsanordnung für ein Fahrzeugdach und Fahrzeugdach für ein Kraftfahrzeug |
TWI825830B (zh) * | 2022-07-05 | 2023-12-11 | 達運精密工業股份有限公司 | 導光結構 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05142538A (ja) * | 1991-11-21 | 1993-06-11 | Hitachi Ltd | 液晶表示装置 |
JPH0667025A (ja) * | 1992-08-18 | 1994-03-11 | Fujitsu Ltd | バックライト |
JPH0682631A (ja) * | 1992-09-07 | 1994-03-25 | Seiko Epson Corp | 面照明装置 |
JP2004200093A (ja) * | 2002-12-20 | 2004-07-15 | Citizen Electronics Co Ltd | 導光板及び導光板の支持ユニット |
JP2009021158A (ja) * | 2007-07-13 | 2009-01-29 | Rohm Co Ltd | 線状光源装置 |
JP2009081079A (ja) * | 2007-09-27 | 2009-04-16 | Hitachi Displays Ltd | 面発光素子,画像表示素子及びそれを用いた画像表示装置 |
WO2011135907A1 (ja) * | 2010-04-27 | 2011-11-03 | シャープ株式会社 | バックライトユニットおよび液晶表示装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012070331A1 (ja) * | 2010-11-25 | 2012-05-31 | シャープ株式会社 | エッジライト型照明装置及び表示装置 |
CN104808283B (zh) * | 2015-05-20 | 2017-11-03 | 武汉华星光电技术有限公司 | 导光板及背光模组 |
-
2016
- 2016-04-22 JP JP2016086507A patent/JP2017195163A/ja active Pending
-
2017
- 2017-04-19 KR KR1020187029566A patent/KR20180121634A/ko active IP Right Grant
- 2017-04-19 WO PCT/JP2017/015757 patent/WO2017183661A1/ja active Application Filing
- 2017-04-19 US US16/094,185 patent/US10677979B2/en not_active Expired - Fee Related
- 2017-04-19 CN CN201780023549.4A patent/CN109073171A/zh active Pending
- 2017-04-21 TW TW106113471A patent/TWI639870B/zh not_active IP Right Cessation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05142538A (ja) * | 1991-11-21 | 1993-06-11 | Hitachi Ltd | 液晶表示装置 |
JPH0667025A (ja) * | 1992-08-18 | 1994-03-11 | Fujitsu Ltd | バックライト |
JPH0682631A (ja) * | 1992-09-07 | 1994-03-25 | Seiko Epson Corp | 面照明装置 |
JP2004200093A (ja) * | 2002-12-20 | 2004-07-15 | Citizen Electronics Co Ltd | 導光板及び導光板の支持ユニット |
JP2009021158A (ja) * | 2007-07-13 | 2009-01-29 | Rohm Co Ltd | 線状光源装置 |
JP2009081079A (ja) * | 2007-09-27 | 2009-04-16 | Hitachi Displays Ltd | 面発光素子,画像表示素子及びそれを用いた画像表示装置 |
WO2011135907A1 (ja) * | 2010-04-27 | 2011-11-03 | シャープ株式会社 | バックライトユニットおよび液晶表示装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019105827A (ja) * | 2017-12-12 | 2019-06-27 | 現代自動車株式会社Hyundai Motor Company | 光拡散複合レンズ |
JP7262963B2 (ja) | 2017-12-12 | 2023-04-24 | 現代自動車株式会社 | 光拡散複合レンズ |
Also Published As
Publication number | Publication date |
---|---|
US10677979B2 (en) | 2020-06-09 |
TW201741746A (zh) | 2017-12-01 |
KR20180121634A (ko) | 2018-11-07 |
TWI639870B (zh) | 2018-11-01 |
CN109073171A (zh) | 2018-12-21 |
WO2017183661A1 (ja) | 2017-10-26 |
US20190137680A1 (en) | 2019-05-09 |
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