JP2009187925A - 導光シート及びこれを用いた可動接点体 - Google Patents
導光シート及びこれを用いた可動接点体 Download PDFInfo
- Publication number
- JP2009187925A JP2009187925A JP2008265053A JP2008265053A JP2009187925A JP 2009187925 A JP2009187925 A JP 2009187925A JP 2008265053 A JP2008265053 A JP 2008265053A JP 2008265053 A JP2008265053 A JP 2008265053A JP 2009187925 A JP2009187925 A JP 2009187925A
- Authority
- JP
- Japan
- Prior art keywords
- light
- light emitting
- guide sheet
- movable contact
- light guide
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- 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
- H01H13/7006—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 comprising a separate movable contact element for each switch site, all other elements being integrated in layers
-
- 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
- H01H2219/056—Diffuser; Uneven surface
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/06—Reflector
-
- 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
- Push-Button Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
【解決手段】光透過性でフィルム状の基材11を、黄色の補色であり、黄色を吸収する青色系に着色することによって、発光素子9から離れた箇所の発光部12も、発光素子9近傍の発光部12と同様に発光させることができるため、発光色にばらつきがなく、見易く均一な照光が可能な導光シート13、及びこれを用いた可動接点体16を得ることができる。
【選択図】図1
Description
実施の形態1を用いて、本発明の特に請求項1及び4記載の発明について説明する。
実施の形態2を用いて、本発明の特に請求項2及び4記載の発明について説明する。
実施の形態3を用いて、本発明の特に請求項3及び4記載の発明について説明する。
5 可動接点
7 配線基板
8 固定接点
8A 中央固定接点
8B 外側固定接点
9 発光素子
10 表示シート
10A 遮光部
10B 表示部
11、21 基材
12、22、22A、22B、22C、22D 発光部
23A 白色発光部
23B 青色発光部
13、25、28 導光シート
14 セパレータ
16、26、29 可動接点体
27 反射層
Claims (4)
- 光透過性でフィルム状の基材と、この基材の所定箇所に形成された複数の凹凸状の発光部からなり、上記基材を黄色の補色の青色系に着色した導光シート。
- 光透過性でフィルム状の基材と、この基材の所定箇所に形成された複数の凹凸状の発光部からなり、上記発光部を黄色の補色の青色系に着色した導光シート。
- 光透過性でフィルム状の基材と、この基材の所定箇所に形成された複数の凹凸状の発光部からなり、上記基材の上面または下面の少なくとも一方に、黄色の補色の青色系に着色した反射層を設けた導光シート。
- 請求項1〜3記載の導光シートの発光部下面に、略ドーム状で導電金属薄板製の可動接点を装着した可動接点体。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008265053A JP5293068B2 (ja) | 2008-01-07 | 2008-10-14 | 可動接点体 |
US12/349,038 US7851717B2 (en) | 2008-01-07 | 2009-01-06 | Light-guide sheet, movable contact unit and switch using the same |
CN200910001332.0A CN101482631B (zh) | 2008-01-07 | 2009-01-07 | 导光板和使用它的可动接点体、开关 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008000333 | 2008-01-07 | ||
JP2008000333 | 2008-01-07 | ||
JP2008265053A JP5293068B2 (ja) | 2008-01-07 | 2008-10-14 | 可動接点体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009187925A true JP2009187925A (ja) | 2009-08-20 |
JP5293068B2 JP5293068B2 (ja) | 2013-09-18 |
Family
ID=40843703
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008265053A Expired - Fee Related JP5293068B2 (ja) | 2008-01-07 | 2008-10-14 | 可動接点体 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7851717B2 (ja) |
JP (1) | JP5293068B2 (ja) |
CN (1) | CN101482631B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011165417A (ja) * | 2010-02-08 | 2011-08-25 | Panasonic Corp | 導光シート及びこれを用いた可動接点体 |
JP2014007044A (ja) * | 2012-06-25 | 2014-01-16 | Citizen Electronics Co Ltd | キーボードユニット |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009036462B4 (de) * | 2009-08-06 | 2016-10-27 | Trw Automotive Electronics & Components Gmbh | Abgleichen des Farbortes von Leuchten und beleuchteten Bedien- oder Anzeigeeinheiten in einer gemeinsamen Umgebung |
TWM382564U (en) * | 2010-01-06 | 2010-06-11 | Ichia Tech Inc | Self-luminescence keypad structure |
JP2011171091A (ja) * | 2010-02-18 | 2011-09-01 | Panasonic Corp | 導光シート及びこれを用いた可動接点体 |
JP2011222379A (ja) * | 2010-04-13 | 2011-11-04 | Alps Electric Co Ltd | 導光シート、接点ばね付きシート及びスイッチ装置 |
JP2011238498A (ja) * | 2010-05-12 | 2011-11-24 | Panasonic Corp | 導光シート及びこれを用いた可動接点体 |
JP6043135B2 (ja) * | 2012-09-20 | 2016-12-14 | 武藤工業株式会社 | 導光板作成方法及び装置及び導光板 |
CN103592705B (zh) * | 2013-11-06 | 2014-09-24 | 苏州东显光电科技有限公司 | 一种扩散板及其制作方法、背光模组 |
US10102985B1 (en) | 2015-04-23 | 2018-10-16 | Apple Inc. | Thin profile sealed button assembly |
US20170069444A1 (en) * | 2015-09-04 | 2017-03-09 | Apple Inc. | Film-based housing and switch for keyboard assembly |
DE102016212817B4 (de) * | 2016-07-13 | 2018-04-05 | Audi Ag | Beleuchtungsvorrichtung für ein Kraftfahrzeug, Kraftfahrzeug und Verfahren zum Betreiben einer Beleuchtungsvorrichtung |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10307212A (ja) * | 1997-03-07 | 1998-11-17 | Enplas Corp | サイドライト型面光源装置 |
JP2002231032A (ja) * | 2001-02-02 | 2002-08-16 | Stanley Electric Co Ltd | 白色led光源バックライト装置 |
JP2002244575A (ja) * | 2000-12-13 | 2002-08-30 | Ryuichi Yoshitoshi | バックライト及びこれを用いた液晶表示装置 |
JP2004245996A (ja) * | 2003-02-13 | 2004-09-02 | Toppan Printing Co Ltd | 色補正フィルタ及びバックライトユニット、並びに液晶表示装置 |
JP2006146624A (ja) * | 2004-11-19 | 2006-06-08 | Nec Saitama Ltd | 電子機器のキーボタン照明構造 |
JP2007025285A (ja) * | 2005-07-15 | 2007-02-01 | Harison Toshiba Lighting Corp | 液晶用バックライト |
JP2007053063A (ja) * | 2005-08-19 | 2007-03-01 | Citizen Electronics Co Ltd | シートスイッチモジュール |
KR100765864B1 (ko) * | 2006-09-12 | 2007-10-10 | 한울정보기술(주) | 도파로 필름을 구비한 발광 키패드 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5881201A (en) * | 1997-03-11 | 1999-03-09 | Hoechst Celanese Corporation | Backlighting lightpipes for display applications |
JP3874222B2 (ja) * | 1997-11-19 | 2007-01-31 | 株式会社エンプラス | 光源装置 |
EP1724800B1 (en) * | 2005-05-19 | 2008-12-17 | Samsung Electronics Co., Ltd. | Key pad and keypad assembly |
JP4959164B2 (ja) | 2005-09-21 | 2012-06-20 | シチズン電子株式会社 | シートスイッチ、シートスイッチモジュール及びパネルスイッチ |
TW200709243A (en) | 2005-08-19 | 2007-03-01 | Citizen Electronics | Sheet switch, sheet switch module and panel switch |
JP4142721B2 (ja) | 2006-09-12 | 2008-09-03 | ハンウル インフォメーション テクノロジー カンパニー リミテッド | 発光キーパッド |
KR100765883B1 (ko) | 2006-09-12 | 2007-10-10 | 한울정보기술(주) | 도파로 필름을 구비한 발광 키패드 |
-
2008
- 2008-10-14 JP JP2008265053A patent/JP5293068B2/ja not_active Expired - Fee Related
-
2009
- 2009-01-06 US US12/349,038 patent/US7851717B2/en not_active Expired - Fee Related
- 2009-01-07 CN CN200910001332.0A patent/CN101482631B/zh not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10307212A (ja) * | 1997-03-07 | 1998-11-17 | Enplas Corp | サイドライト型面光源装置 |
JP2002244575A (ja) * | 2000-12-13 | 2002-08-30 | Ryuichi Yoshitoshi | バックライト及びこれを用いた液晶表示装置 |
JP2002231032A (ja) * | 2001-02-02 | 2002-08-16 | Stanley Electric Co Ltd | 白色led光源バックライト装置 |
JP2004245996A (ja) * | 2003-02-13 | 2004-09-02 | Toppan Printing Co Ltd | 色補正フィルタ及びバックライトユニット、並びに液晶表示装置 |
JP2006146624A (ja) * | 2004-11-19 | 2006-06-08 | Nec Saitama Ltd | 電子機器のキーボタン照明構造 |
JP2007025285A (ja) * | 2005-07-15 | 2007-02-01 | Harison Toshiba Lighting Corp | 液晶用バックライト |
JP2007053063A (ja) * | 2005-08-19 | 2007-03-01 | Citizen Electronics Co Ltd | シートスイッチモジュール |
KR100765864B1 (ko) * | 2006-09-12 | 2007-10-10 | 한울정보기술(주) | 도파로 필름을 구비한 발광 키패드 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011165417A (ja) * | 2010-02-08 | 2011-08-25 | Panasonic Corp | 導光シート及びこれを用いた可動接点体 |
JP2014007044A (ja) * | 2012-06-25 | 2014-01-16 | Citizen Electronics Co Ltd | キーボードユニット |
Also Published As
Publication number | Publication date |
---|---|
CN101482631B (zh) | 2014-02-26 |
CN101482631A (zh) | 2009-07-15 |
US7851717B2 (en) | 2010-12-14 |
JP5293068B2 (ja) | 2013-09-18 |
US20090173608A1 (en) | 2009-07-09 |
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