JP5339186B2 - 光導波板を有する発光キーボード - Google Patents
光導波板を有する発光キーボード Download PDFInfo
- Publication number
- JP5339186B2 JP5339186B2 JP2008325529A JP2008325529A JP5339186B2 JP 5339186 B2 JP5339186 B2 JP 5339186B2 JP 2008325529 A JP2008325529 A JP 2008325529A JP 2008325529 A JP2008325529 A JP 2008325529A JP 5339186 B2 JP5339186 B2 JP 5339186B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- light emitting
- optical waveguide
- waveguide plate
- region
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/0202—Constructional details or processes of manufacture of the input device
-
- 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
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
-
- 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
- G02B6/0066—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
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/056—Diffuser; Uneven surface
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/062—Light conductor
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Optics & Photonics (AREA)
- Input From Keyboards Or The Like (AREA)
- Push-Button Switches (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
Description
さらに、前記光出射体は、凹溝構造であり、前記光出射部は、幾つかの凹溝からなる。
まず、本発明の光導波板を有する発光キーボードは、反射板上に設けられた発光体を光導波板の光入射部に向けて発光させ、さらに光導波板を介して導光し、光出射部に伝達した場合に屈折又は散乱を発生させることにより、集光及び均一に光散乱する効果を奏するとともに、反射板に向けて発射する光も、反射板の反射により光出射部に向けて発射する光線強度を増加することができる。
まず、本発明の光導波板を有する発光キーボードは、反射板上に設けられた発光体を光導波板の光入射部に向けて発光させ、さらに光導波板を介して導光し、光出射部に伝達した場合に屈折又は散乱を発生させることにより、集光及び均一に光散乱する効果を奏するとともに、反射板に向けて発射する光も、反射板の反射により光出射部に向けて発射する光線強度を増加することができる。
2:反射板
3:光導波板
4:発光体
6:回路基板
7、7' 、7''、 7''' 、9:光出射部
10:キーモジュール
11:キー
20:収容孔
30:光入射部(貫通孔)
31:光入射領域
33:光出射領域
35:接続領域
62:電源接続線
70、70' 、70'' 、70'''、90、90':光出射体(貫通孔、凹点)
71:長いストリップ形の貫通孔
100:発光キーボード
Claims (3)
- 光導波板を有する発光キーボードであって、
キーモジュールと;
該キーモジュールの下部に設けられた発光モジュールと;を備え、該発光モジュールは、
光入射部と光出射部とを含む透明光導波板であって、該光入射部は、該光導波板で形成された断面であり、各々の該光出射部は、光線を該キーモジュールに提供するための複数の光出射体を備えた、透明光導波板と;
該光入射部に対応して配置された複数の発光体であって、該発光体により発された光線は、該断面を通って該光導波板に導入され、該発光体と同じ側に位置する該光出射部の個数は、該光出射部と該発光体との間の距離が大きくなるに従って多くなる発光体と;
該光導波板の下部に設けられた反射板と;を含み、
該発光体は、該反射板上に設けられた片側発光するLEDランプであり;該反射板は、各々がその中に該発光体を収容する複数の収容孔を備え、該反射板の底面には、該複数の収容孔に対応して回路基板が設けられ、該回路基板は該発光体に電気的に接続され、該電源接続線を介して電源に接続され;複数の貫通孔が該光導波板において設けられ、それにより、該貫通孔の側壁を該光入射部にあるように形成され;該収容孔に対応して位置する該貫通孔は、各々該発光体をその中に受容し;
各々の該光出射体は円形貫通孔であり、該発光体から遠く離れている最外側の該光出射部は各々、長い貫通スロットをさらに備え;
該光出射部は複数行に配列され、該発光体と同側の該光出射部は交互に設けられていることを特徴とする、光導波板を有する発光キーボード。 - 前記キーモジュールは、複数行のキーを備え;前記光導波板は、光入射領域と、光出射領域と、該光入射領域と該光出射領域との間で接続される接続領域とを備え;前記光入射部は該光入射領域に設けられ、前記光出射部は該光出射領域に設けられ、該接続領域は、少なくとも1行のキーに対応して設けられることを特徴とする、請求項1記載の光導波板を有する発光キーボード。
- 光導波板を有する発光キーボードであって、複数行のキーを有するキーモジュールと;
該キーモジュールの下部に設けられた発光モジュールと;を備え、該発光モジュールは、光入射領域と光出射領域と、該光入射領域と該光出射領域との間に接続される接続領域とを有し、該光入射領域には、該光導波板上に形成された断面である複数の光入射部が設けられ、該光出射領域には、光線を該キーモジュールに提供するための複数の光出射部が設けられ、該接続領域は、少なくとも1行のキーに対応して配置された透明光導波板と;
該光入射部に対応して配置された複数の発光体であって、該発光体により発された光線は、該断面を通って該光導波板に導入される発光体と;
該光導波板の下部に設けられた反射板と;を含み、
該発光体は、該反射板上に設けられた片側発光するLEDランプであり;該反射板は、各々がその中に該発光体を収容する複数の収容孔を備え、該反射板の底面には、該複数の収容孔に対応して回路基板が設けられ、該回路基板は該発光体に電気的に接続され、該電源接続線を介して電源に接続され;複数の貫通孔が該光導波板において設けられ、それにより、該貫通孔の側壁を該光入射部にあるように形成され;該収容孔に対応して位置する該貫通孔は、各々該発光体をその中に受容し;
該光出射部は複数行に配列され、該発光体と同側の該光出射部は交互に設けられていることを特徴とする、光導波板を有する発光キーボード。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200810066580.9 | 2008-04-11 | ||
CN2008100665809A CN101256911B (zh) | 2008-04-11 | 2008-04-11 | 具有导光板的发光键盘 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2009259212A JP2009259212A (ja) | 2009-11-05 |
JP2009259212A5 JP2009259212A5 (ja) | 2011-04-07 |
JP5339186B2 true JP5339186B2 (ja) | 2013-11-13 |
Family
ID=39891600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008325529A Expired - Fee Related JP5339186B2 (ja) | 2008-04-11 | 2008-12-22 | 光導波板を有する発光キーボード |
Country Status (3)
Country | Link |
---|---|
US (1) | US7939773B2 (ja) |
JP (1) | JP5339186B2 (ja) |
CN (1) | CN101256911B (ja) |
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US20090201179A1 (en) * | 1999-09-15 | 2009-08-13 | Michael Shipman | Illuminated keyboard |
TWI329373B (en) * | 2007-03-13 | 2010-08-21 | Lite On Technology Corp | Light-emitting device and electronic device using the same |
US8128297B2 (en) * | 2008-09-11 | 2012-03-06 | Zippy Technology Corp. | Self-luminous keyboard with brightness-enhanced keycaps |
US8334794B2 (en) * | 2008-10-16 | 2012-12-18 | Alps Electric Co., Ltd. | Input device and keyboard device having illumination function |
TWM373518U (en) * | 2009-06-25 | 2010-02-01 | Wistron Corp | Light guide plate and membrane keyboard having the light guide plate |
US8207462B2 (en) * | 2009-09-01 | 2012-06-26 | Global Lighting Technologies (Taiwan) Inc. | Key structure having improved light emitting efficiency |
TWI399776B (zh) * | 2010-01-08 | 2013-06-21 | Zippy Tech Corp | Thin light-emitting keyboard |
CN101852371B (zh) * | 2010-04-13 | 2012-09-12 | 苏州向隆塑胶有限公司 | 背光模块、其制造方法及采用此背光模块之电子装置 |
US20110290628A1 (en) * | 2010-05-31 | 2011-12-01 | Sunrex Technology Corp | Membrane keyboard with parts being fixedly secured together |
JP2012209127A (ja) * | 2011-03-30 | 2012-10-25 | Alps Electric Co Ltd | 導光シート、これを用いた接点ばね付シート及びこれを用いたスイッチ装置 |
TWI426218B (zh) * | 2011-08-31 | 2014-02-11 | Global Lighting Technology Inc | 發光模組 |
US9117603B2 (en) | 2013-07-31 | 2015-08-25 | Zippy Technology Corp. | Illuminated keyboard equipped with a thin key module |
CN105042404B (zh) * | 2015-05-28 | 2016-03-30 | 苏州达方电子有限公司 | 背光模组 |
TWI607471B (zh) * | 2015-08-21 | 2017-12-01 | 達方電子股份有限公司 | 背光模組 |
US10590600B1 (en) | 2016-01-19 | 2020-03-17 | Apple Inc. | Illumination systems within fabric-based devices |
CN115552797A (zh) * | 2019-11-14 | 2022-12-30 | 陈�峰 | 一种导光板光开关及导光板阵列光开关模块 |
WO2023232146A1 (zh) * | 2022-06-03 | 2023-12-07 | 陈�峰 | 一种交叉光波导光开关模块 |
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JP2003068121A (ja) * | 2001-08-23 | 2003-03-07 | Nidec Copal Corp | 面発光装置 |
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TWI273291B (en) * | 2002-12-17 | 2007-02-11 | Hon Hai Prec Ind Co Ltd | Surface light source and light guide plate used therein |
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US7534001B2 (en) * | 2007-03-07 | 2009-05-19 | Ichia Technologies, Inc. | Light-guiding method of light-guiding plate and key pad assembly using the light-guiding plate |
CN201256098Y (zh) * | 2008-04-11 | 2009-06-10 | 精模电子科技(深圳)有限公司 | 具有导光板的发光键盘 |
-
2008
- 2008-04-11 CN CN2008100665809A patent/CN101256911B/zh not_active Expired - Fee Related
- 2008-11-07 US US12/266,836 patent/US7939773B2/en not_active Expired - Fee Related
- 2008-12-22 JP JP2008325529A patent/JP5339186B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN101256911A (zh) | 2008-09-03 |
JP2009259212A (ja) | 2009-11-05 |
CN101256911B (zh) | 2012-06-06 |
US20090256726A1 (en) | 2009-10-15 |
US7939773B2 (en) | 2011-05-10 |
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