JP6709095B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP6709095B2 JP6709095B2 JP2016059948A JP2016059948A JP6709095B2 JP 6709095 B2 JP6709095 B2 JP 6709095B2 JP 2016059948 A JP2016059948 A JP 2016059948A JP 2016059948 A JP2016059948 A JP 2016059948A JP 6709095 B2 JP6709095 B2 JP 6709095B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- light guide
- guide plate
- traveling direction
- hole
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—Light emitting diodes [LED]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/0011—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor with light guides for distributing the light between several lighting or signalling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/239—Light guides characterised by the shape of the light guide plate-shaped
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/241—Light guides characterised by the shape of the light guide of complex shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/242—Light guides characterised by the emission area
- F21S43/243—Light guides characterised by the emission area emitting light from one or more of its extremities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/242—Light guides characterised by the emission area
- F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/249—Light guides with two or more light sources being coupled into the light guide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/2696—Mounting of devices using LEDs
-
- 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
- G02B6/0035—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
-
- 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
- G02B6/0063—Means for improving the coupling-out of light from the light guide for extracting light out both the major surfaces of the light guide
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- Planar Illumination Modules (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- General Physics & Mathematics (AREA)
Description
なお、以下の説明で用いる図面においては、各構成要素を見やすくするため、構成要素によって寸法の縮尺を異ならせて示すことがあり、各構成要素の寸法比率などが実際と同じであるとは限らない。
光Lの進行方向(導光板3の上下方向)に並ぶ孔部8が光Lの進行方向と交差する方向(導光板3の左右方向)にずらして配置されている。また、光Lの進行方向の手前(導光板3の上部)側から奥(導光板3の下部)側に向かうに従って、孔部8の配置を増やしている。
Claims (4)
- 複数の光源と、
前記複数の光源からの光を導光させる導光板とを備え、
前記複数の光源は、前記導光板の一端面に沿って並んで配置され、
前記導光板は、前記一端面から入射した光の進行方向と交差する方向に向けて光を拡散させる光拡散部を有し、
前記光拡散部は、前記複数の光源に各々対応して設けられた複数の孔部を有し、
前記孔部は、前記導光板を厚み方向に貫通すると共に、前記一端面から入射した光の進行方向において互いに対向する導光出射面と導光入射面とを含み、
前記導光出射面と前記導光入射面との少なくとも一方には、複数の凹条部又は凸条部が前記光の進行方向と交差する方向に並んで設けられ、
前記凹条部又は前記凸条部は、前記導光出射面と前記導光入射面とにそれぞれ設けられ、前記導光出射面側と前記導光入射面側とで前記光の進行方向と交差する方向に間隔をずらして配置されていることを特徴とする車両用灯具。 - 前記光の進行方向と交差する方向において、前記導光出射面の幅よりも前記導光入射面の幅が広いことを特徴とする請求項1に記載の車両用灯具。
- 前記孔部は、前記光の進行方向と交差する方向の両側に位置して、前記導光出射面と前記導光入射面との間を接続する一対の凹面を含むことを特徴とする請求項1又は2に記載の車両用灯具。
- 前記複数の孔部は、前記複数の光源に各々対応して設けられると共に、前記光の進行方向に多段に配置されていることを特徴とする請求項1〜3の何れか一項に記載の車両用灯具。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016059948A JP6709095B2 (ja) | 2016-03-24 | 2016-03-24 | 車両用灯具 |
US15/458,702 US10203082B2 (en) | 2016-03-24 | 2017-03-14 | Vehicle lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016059948A JP6709095B2 (ja) | 2016-03-24 | 2016-03-24 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017174657A JP2017174657A (ja) | 2017-09-28 |
JP6709095B2 true JP6709095B2 (ja) | 2020-06-10 |
Family
ID=59896472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016059948A Active JP6709095B2 (ja) | 2016-03-24 | 2016-03-24 | 車両用灯具 |
Country Status (2)
Country | Link |
---|---|
US (1) | US10203082B2 (ja) |
JP (1) | JP6709095B2 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201600121517A1 (it) * | 2016-11-30 | 2018-05-30 | Automotive Lighting Italia Spa | Fanale automobilistico comprendente una porzione di emissione luminosa ad effetto opalescente |
KR102487190B1 (ko) * | 2017-12-12 | 2023-01-10 | 현대자동차 주식회사 | 광확산 복합 렌즈 |
CN207851344U (zh) * | 2018-03-12 | 2018-09-11 | 京东方科技集团股份有限公司 | 一种导光板、背光模组和显示装置 |
US10705289B2 (en) * | 2018-06-14 | 2020-07-07 | Sharp Kabushiki Kaisha | Lighting device and display device |
CN108916815B (zh) * | 2018-08-10 | 2024-05-28 | 华域视觉科技(上海)有限公司 | 汽车信号灯及汽车 |
TWI682222B (zh) * | 2018-09-27 | 2020-01-11 | 緯創資通股份有限公司 | 導光裝置及具有發光功能的指示設備 |
CN109708072B (zh) * | 2018-12-19 | 2021-02-05 | 马瑞利汽车零部件(芜湖)有限公司 | 带有自由曲面出光面的大尺寸光导的光学系统 |
KR20210004143A (ko) | 2019-07-03 | 2021-01-13 | 엘지이노텍 주식회사 | 조명 모듈, 조명 장치 및 램프 |
TWI844808B (zh) * | 2021-12-28 | 2024-06-11 | 華碩電腦股份有限公司 | 背光模組 |
JP2024017950A (ja) * | 2022-07-28 | 2024-02-08 | 株式会社東海理化電機製作所 | ライトガイド |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60033264T2 (de) * | 1999-12-28 | 2007-11-08 | Fujitsu Kasei Ltd., Yokohama | Beleuchtungsapparat für Anzeige |
KR100513718B1 (ko) * | 2002-06-20 | 2005-09-07 | 삼성전자주식회사 | 평판표시소자용 조명장치 |
KR100499140B1 (ko) * | 2003-01-07 | 2005-07-04 | 삼성전자주식회사 | 백라이트 유닛 |
TWI259313B (en) * | 2004-10-19 | 2006-08-01 | Ind Tech Res Inst | Light-guide plate and method for manufacturing thereof |
US20060285356A1 (en) * | 2005-06-21 | 2006-12-21 | K-Bridge Electronics Co., Ltd. | Side-edge backlight module dimming pack |
KR100735410B1 (ko) * | 2005-11-17 | 2007-07-04 | 삼성전기주식회사 | 입사광을 균일하게 분포시키기 위한 도광판을 구비한 led 조명장치 |
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2016
- 2016-03-24 JP JP2016059948A patent/JP6709095B2/ja active Active
-
2017
- 2017-03-14 US US15/458,702 patent/US10203082B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20170276316A1 (en) | 2017-09-28 |
JP2017174657A (ja) | 2017-09-28 |
US10203082B2 (en) | 2019-02-12 |
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