JP4781965B2 - 導光板、パネル発光構造およびディスクドライブ - Google Patents
導光板、パネル発光構造およびディスクドライブ Download PDFInfo
- Publication number
- JP4781965B2 JP4781965B2 JP2006293934A JP2006293934A JP4781965B2 JP 4781965 B2 JP4781965 B2 JP 4781965B2 JP 2006293934 A JP2006293934 A JP 2006293934A JP 2006293934 A JP2006293934 A JP 2006293934A JP 4781965 B2 JP4781965 B2 JP 4781965B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- guide plate
- light guide
- short side
- long
- 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
-
- 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
- G02B6/0021—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 for housing at least a part of the light source, e.g. by forming holes or recesses
-
- 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
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [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
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
Description
12 …ハウジング
14 …ディスクスロット
16 …SDカードスロットカバー
100 …パネル発光構造
102 …導光板
104 …発光部
106 …ガイド
130,150 …長孔
132 …光伝播領域
134 …切欠き
136 …位置決め部材
140 …LED基板
142 …LED
152 …壁
154 …リブ
Claims (9)
- 光透過性材料によって長辺と短辺とを有する長手形状に形成され、光源からの光を前記短辺側から入射し、前記長辺方向に伝播させる、導光板であって、
前記長辺方向に延びて形成される長孔によって、当該長孔を挟んで上下に区画される2つの光伝播領域、および
前記短辺に形成されて前記光源からの光を前記光伝播領域に導く光導入部を備え、さらに
少なくとも前記短辺側の端部において、前記長辺を前記短辺に向かって幅狭となるように傾斜させた、導光板。 - 前記光伝播領域の外側に設けられた位置決め部材をさらに備える、請求項1記載の導光板。
- 前記長孔によって形成される内周面は、前記導光板の主面に対して傾斜した粗面を含む、請求項1または2記載の導光板。
- 前記光伝播領域の中央部で最も幅が広くなるように、前記長辺を前記短辺側から連続的に傾斜させるようにした、請求項1ないし3のいずれかに記載の導光板。
- 前記長辺の一部に窪みを形成した、請求項1ないし3のいずれかに記載の導光板。
- 前記長孔の前記短辺方向の幅は、当該長孔の端から中央部に向かうに従って大きくなるように形成される、請求項1ないし5のいずれかに記載の導光板。
- 前記短辺のそれぞれに前記光導入部を形成し、それによって前記短辺のそれぞれから前記2つの光伝播領域に光を導入する、請求項1ないし6のいずれかに記載の導光板。
- 請求項1ないし7のいずれかに記載の導光板を用いたパネル発光構造であって、
前記導光板の短辺側から光を入射する光源、および
前記導光板の外周面の少なくとも一部を覆う部材を備える、パネル発光構造。 - 長孔状のディスク挿入口が形成されたハウジング、
長孔が形成された導光板、および
前記導光板を発光させる光源を備え、
前記導光板は、前記ハウジング内に配置され、少なくとも一部が前記ディスク挿入口から露出しており、かつ、ディスク挿入方向から見たときに、前記長孔と前記ディスク挿入口が重複する位置関係となるように配置されている、ディスクドライブ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006293934A JP4781965B2 (ja) | 2006-10-30 | 2006-10-30 | 導光板、パネル発光構造およびディスクドライブ |
US11/714,891 US7581865B2 (en) | 2006-10-30 | 2007-03-07 | Light guide plate, panel light-emitting structure and disk drive |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006293934A JP4781965B2 (ja) | 2006-10-30 | 2006-10-30 | 導光板、パネル発光構造およびディスクドライブ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008112612A JP2008112612A (ja) | 2008-05-15 |
JP4781965B2 true JP4781965B2 (ja) | 2011-09-28 |
Family
ID=39329880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006293934A Active JP4781965B2 (ja) | 2006-10-30 | 2006-10-30 | 導光板、パネル発光構造およびディスクドライブ |
Country Status (2)
Country | Link |
---|---|
US (1) | US7581865B2 (ja) |
JP (1) | JP4781965B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10487999B2 (en) * | 2007-05-31 | 2019-11-26 | Tseng-Lu Chien | Multiple functions LED night light |
JP5196565B2 (ja) * | 2008-11-28 | 2013-05-15 | シチズン電子株式会社 | 光源装置及び電子機器 |
CN101761873B (zh) * | 2008-12-23 | 2012-05-09 | 金宝电子工业股份有限公司 | 消除导光组件投射阴影的方法及其装置 |
JP5394906B2 (ja) * | 2009-12-10 | 2014-01-22 | アルプス電気株式会社 | 照光式電子機器 |
DE102010051826A1 (de) | 2010-11-18 | 2012-05-24 | Valeo Schalter Und Sensoren Gmbh | Lichtleiter, insbesondere zum Beleuchten eines Schachtes für einen Datenträger, und Abspielgerät mit einem derartigen Lichtleiter |
TW201531772A (zh) * | 2014-02-12 | 2015-08-16 | Lextar Electronics Corp | 背光模組 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
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DE3544054A1 (de) * | 1985-12-13 | 1987-06-19 | Idn Invention Dev Novelties | Aufbewahrungsbehaelter fuer aufzeichnungstraeger |
US5477432A (en) * | 1994-04-25 | 1995-12-19 | Chrysler Corporation | Illumination mechanism for a vehicle entertainment device |
JP3458823B2 (ja) | 1999-05-11 | 2003-10-20 | 日亜化学工業株式会社 | 面発光装置 |
US6431718B1 (en) * | 1999-09-22 | 2002-08-13 | International Business Machines Corporation | Interconnector and light pipe guide for disk drive and disk drive carrier |
JP4317382B2 (ja) * | 2003-04-23 | 2009-08-19 | クラリオン株式会社 | 電子機器 |
TWI308242B (en) * | 2003-10-24 | 2009-04-01 | Hon Hai Prec Ind Co Ltd | Light guiding device and backlight module using the same |
JP4069854B2 (ja) * | 2003-11-27 | 2008-04-02 | 船井電機株式会社 | ディスクプレーヤおよび電子機器 |
US7334237B2 (en) * | 2003-12-09 | 2008-02-19 | Victor Company Of Japan, Limited | Disc drive apparatus |
US7290268B2 (en) * | 2003-12-09 | 2007-10-30 | Victor Company Of Japan, Limited | Disc drive apparatus with tray formed of optically transparent material |
JP4099825B2 (ja) * | 2004-04-13 | 2008-06-11 | 船井電機株式会社 | ディスクドライブ用フロントパネル装置 |
-
2006
- 2006-10-30 JP JP2006293934A patent/JP4781965B2/ja active Active
-
2007
- 2007-03-07 US US11/714,891 patent/US7581865B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20080101090A1 (en) | 2008-05-01 |
JP2008112612A (ja) | 2008-05-15 |
US7581865B2 (en) | 2009-09-01 |
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