WO2007097117A1 - 側面発光ユニット及び照光パネル - Google Patents
側面発光ユニット及び照光パネル Download PDFInfo
- Publication number
- WO2007097117A1 WO2007097117A1 PCT/JP2007/000093 JP2007000093W WO2007097117A1 WO 2007097117 A1 WO2007097117 A1 WO 2007097117A1 JP 2007000093 W JP2007000093 W JP 2007000093W WO 2007097117 A1 WO2007097117 A1 WO 2007097117A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- light guide
- illuminated
- light emitting
- emitting unit
- 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.)
- Ceased
Links
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
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
- G02B6/006—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to produce indicia, symbols, texts or the like
-
- 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
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0078—Side-by-side arrangements, e.g. for large area displays
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/036—Light emitting elements
- H01H2219/044—Edge lighting of layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/062—Light conductor
Definitions
- the present invention relates to a side light emitting unit that illuminates an object to be illuminated that extends or is arranged in one direction on a plane from a side surface, and an illumination panel that uses the side light emitting unit.
- the side light emitting unit since the light guide is arranged along the side surface of the object to be illuminated, one or more objects to be illuminated that extend or are arranged linearly. Can be illuminated evenly from the side.
- the light source need only be provided at at least one end of the light guide plate, the number of components and installation space can be reduced.
- the side surface light emitting unit made of an elongated light guide is used as the illumination means, when this is used for a sheet switch such as a cellular phone,
- the key switch can be irradiated with continuous light along the arrangement direction.
- by forming an emission surface on the surface of the light guide that faces the object to be illuminated light taken from one end of the light guide can be efficiently emitted from the emission surface toward the object to be illuminated. .
- FIG. 3 is a cross-sectional view of the side light emitting unit.
- FIG. 5 is a cross-sectional view of an illumination panel according to the present invention.
- FIG. 7 is a cross-sectional view of the illuminated sheet switch.
- the light emitted from the light emitting surface 2 3 a of the LED 2 3 is guided inward from the light receiving side end surface 2 2 a (light receiving surface) of the light guide 2 2, and as shown in FIG. Is arranged so as to extend along the arrangement direction of the objects to be illuminated 24, thereby emitting band-like light from the left and right side surfaces 2 2 e and 2 2 f toward the object to be illuminated 24.
- the light-shielding member 25 prevents the light incident from the light-receiving surface 2 2a from being emitted from the upper surface 2 2c and the lower surface 2 2d to the outside. It is provided for the purpose of efficiently guiding light to the end face 2 2 b by the reflection action inside the light body 22. Therefore, the inner surface of the light shielding member 25, that is, the surfaces facing the upper and lower surfaces 2 2c, 2 2d and the opposite end surface 2 2b are each a metal sheet or a metal sheet having a high light reflectance. It is preferable to form by a metal vapor deposition film.
- the light guided into the light guide 22 is continuously continuous from the left and right side surfaces 2 2 e, 2 2 f along the arrangement direction of the objects 24 to be illuminated. Band-shaped light can be emitted. Further, in this embodiment, the light reflected by the end surface 2 2 b can be guided again toward the light receiving surface 2 2 a by shielding the end surface 22 b of the light guide 22. Therefore, the amount of light emitted from both sides 2 2 e and 2 2 f Can be increased.
- FIG. 4 shows a configuration example in the case where a plurality of the side light emitting units 21 described above are arranged.
- the side light emitting units 2 1 a, 2 1 b, and 2 1 c are arranged on the same plane at the center and both sides so as to sandwich the illuminated objects 24 arranged in two rows on the plane 30. Are arranged in three rows.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Push-Button Switches (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/280,134 US7884296B2 (en) | 2006-02-20 | 2007-02-16 | Side-surface light-emitting unit and illuminated panel using the same |
| JP2008501633A JPWO2007097117A1 (ja) | 2006-02-20 | 2007-02-16 | 側面発光ユニット及び照光パネル |
| DE112007000420T DE112007000420T5 (de) | 2006-02-20 | 2007-02-16 | Seitenflächen-Lichtemissionseinheit und Beleuchtungspaneel |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006042682 | 2006-02-20 | ||
| JP2006-042682 | 2006-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2007097117A1 true WO2007097117A1 (ja) | 2007-08-30 |
Family
ID=38437165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2007/000093 Ceased WO2007097117A1 (ja) | 2006-02-20 | 2007-02-16 | 側面発光ユニット及び照光パネル |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7884296B2 (ja) |
| JP (1) | JPWO2007097117A1 (ja) |
| CN (1) | CN101410671A (ja) |
| DE (1) | DE112007000420T5 (ja) |
| WO (1) | WO2007097117A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008059114A1 (en) * | 2006-11-14 | 2008-05-22 | Oy Modilis Ltd | Lightguide arrangement and related applications |
| JP2009187718A (ja) * | 2008-02-04 | 2009-08-20 | Hitachi Lighting Ltd | 光源装置 |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201009866A (en) * | 2008-08-27 | 2010-03-01 | Pegatron Corp | Portable electronic apparatus and key assembly thereof |
| CN101902510A (zh) * | 2009-05-27 | 2010-12-01 | 索尼爱立信移动通讯股份有限公司 | 具有集成文字数字显示器的键区 |
| US9082566B2 (en) | 2010-09-02 | 2015-07-14 | Blackberry Limited | Backlighting assembly for a keypad |
| US8431849B2 (en) | 2010-09-24 | 2013-04-30 | Research In Motion Limited | Backlighting apparatus for a keypad assembly |
| JP4779169B1 (ja) * | 2010-10-27 | 2011-09-28 | Necインフロンティア株式会社 | ボタン照明構造、電子機器 |
| CN102588852A (zh) * | 2011-01-18 | 2012-07-18 | 英志企业股份有限公司 | 平面灯管的制造方法 |
| US20130208499A1 (en) * | 2012-02-13 | 2013-08-15 | Chin-Wen Chou | Illuminated keyboard providing high and uniform luminosity |
| CN114792494B (zh) * | 2022-03-29 | 2024-07-30 | 歌尔科技有限公司 | 背光控制系统、方法、触摸遥控器及计算机可读存储介质 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS616223U (ja) * | 1984-06-18 | 1986-01-14 | 日本電産コパル株式会社 | 照光式パネルスイツチ |
| JPS6175023U (ja) * | 1984-10-24 | 1986-05-21 | ||
| JP2005116428A (ja) * | 2003-10-10 | 2005-04-28 | Stanley Electric Co Ltd | 自照式押釦入力装置 |
| JP2005166535A (ja) * | 2003-12-04 | 2005-06-23 | Shin Etsu Polymer Co Ltd | 押釦スイッチ用カバー部材 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4124879A (en) * | 1977-05-20 | 1978-11-07 | Motorola, Inc. | Illumination apparatus for use in an illuminatable pushbutton keyset and the like |
| JPS61223U (ja) | 1984-06-07 | 1986-01-06 | 阪神エレクトリツク株式会社 | モ−ルド型点火装置の高圧コ−ド固定装置 |
| JPS6175023A (ja) | 1984-09-19 | 1986-04-17 | Nippon Denso Co Ltd | 車両用走行制御装置 |
| JPS61166343U (ja) * | 1985-04-01 | 1986-10-15 | ||
| JPH02285389A (ja) * | 1989-04-27 | 1990-11-22 | Mitsubishi Rayon Co Ltd | デイスプレイ装置 |
| JP2596144Y2 (ja) * | 1992-10-21 | 1999-06-07 | 住友電装株式会社 | 照光式プッシュスイッチの照明構造 |
| JPH116919A (ja) * | 1997-06-17 | 1999-01-12 | Nissha Printing Co Ltd | 面発光装置およびその製造方法 |
| US6765503B1 (en) * | 1998-11-13 | 2004-07-20 | Lightpath Technologies, Inc. | Backlighting for computer keyboard |
| JP3414727B2 (ja) * | 2001-08-20 | 2003-06-09 | 康博 小池 | 光散乱導光体及び光散乱導光光源装置 |
| JP2003281916A (ja) * | 2002-03-26 | 2003-10-03 | Fujitsu Ltd | バックライト装置 |
| EP1376166B1 (en) * | 2002-06-19 | 2011-05-25 | Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho | Sheet-switch device |
| JP4080271B2 (ja) | 2002-08-01 | 2008-04-23 | シチズン電子株式会社 | 導光シート及びこれを組み込んだキースイッチ |
| JP2004079232A (ja) * | 2002-08-12 | 2004-03-11 | Nec Corp | 押しボタンの照光構造と該押しボタンを備えた電子機器 |
| TWI256009B (en) * | 2004-12-23 | 2006-06-01 | Au Optronics Corp | Illuminating keyboards |
| KR100716989B1 (ko) * | 2004-12-23 | 2007-05-10 | 삼성전자주식회사 | 백라이트 시스템 및 이를 채용한 액정표시장치 |
| KR101225326B1 (ko) * | 2005-08-08 | 2013-01-23 | 엘지디스플레이 주식회사 | 백라이트 어셈블리 및 이를 구비한 액정표시장치 |
| KR100773558B1 (ko) * | 2006-10-11 | 2007-11-07 | 삼성전자주식회사 | 전자기기의 키패드 어셈블리 |
| TWI402717B (zh) * | 2008-05-13 | 2013-07-21 | Chicony Electronic Co Ltd | Glowing keyboard |
-
2007
- 2007-02-16 WO PCT/JP2007/000093 patent/WO2007097117A1/ja not_active Ceased
- 2007-02-16 JP JP2008501633A patent/JPWO2007097117A1/ja active Pending
- 2007-02-16 DE DE112007000420T patent/DE112007000420T5/de not_active Withdrawn
- 2007-02-16 CN CNA2007800108300A patent/CN101410671A/zh active Pending
- 2007-02-16 US US12/280,134 patent/US7884296B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS616223U (ja) * | 1984-06-18 | 1986-01-14 | 日本電産コパル株式会社 | 照光式パネルスイツチ |
| JPS6175023U (ja) * | 1984-10-24 | 1986-05-21 | ||
| JP2005116428A (ja) * | 2003-10-10 | 2005-04-28 | Stanley Electric Co Ltd | 自照式押釦入力装置 |
| JP2005166535A (ja) * | 2003-12-04 | 2005-06-23 | Shin Etsu Polymer Co Ltd | 押釦スイッチ用カバー部材 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008059114A1 (en) * | 2006-11-14 | 2008-05-22 | Oy Modilis Ltd | Lightguide arrangement and related applications |
| US8615151B2 (en) | 2006-11-14 | 2013-12-24 | Modilis Holdings Llc | Lightguide arrangement and related applications |
| JP2009187718A (ja) * | 2008-02-04 | 2009-08-20 | Hitachi Lighting Ltd | 光源装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2007097117A1 (ja) | 2009-07-09 |
| US20100133083A1 (en) | 2010-06-03 |
| DE112007000420T5 (de) | 2009-01-02 |
| US7884296B2 (en) | 2011-02-08 |
| CN101410671A (zh) | 2009-04-15 |
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Legal Events
| Date | Code | Title | Description |
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| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
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