JP4284212B2 - 照光装置 - Google Patents

照光装置 Download PDF

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Publication number
JP4284212B2
JP4284212B2 JP2004057989A JP2004057989A JP4284212B2 JP 4284212 B2 JP4284212 B2 JP 4284212B2 JP 2004057989 A JP2004057989 A JP 2004057989A JP 2004057989 A JP2004057989 A JP 2004057989A JP 4284212 B2 JP4284212 B2 JP 4284212B2
Authority
JP
Japan
Prior art keywords
light
light source
light guide
flat
illumination device
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 - Lifetime
Application number
JP2004057989A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005032703A (ja
JP2005032703A5 (enExample
Inventor
勝彦 諏訪
榮三郎 樋口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Nitto Jushi Kogyo Co Ltd
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Nitto Jushi Kogyo Co Ltd
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Panasonic Corp, Nitto Jushi Kogyo Co Ltd, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP2004057989A priority Critical patent/JP4284212B2/ja
Publication of JP2005032703A publication Critical patent/JP2005032703A/ja
Publication of JP2005032703A5 publication Critical patent/JP2005032703A5/ja
Application granted granted Critical
Publication of JP4284212B2 publication Critical patent/JP4284212B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Landscapes

  • Light Guides In General And Applications Therefor (AREA)
  • Planar Illumination Modules (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Push-Button Switches (AREA)
JP2004057989A 2003-06-20 2004-03-02 照光装置 Expired - Lifetime JP4284212B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004057989A JP4284212B2 (ja) 2003-06-20 2004-03-02 照光装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003176280 2003-06-20
JP2004057989A JP4284212B2 (ja) 2003-06-20 2004-03-02 照光装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2008327980A Division JP4914432B2 (ja) 2003-06-20 2008-12-24 照光入力装置

Publications (3)

Publication Number Publication Date
JP2005032703A JP2005032703A (ja) 2005-02-03
JP2005032703A5 JP2005032703A5 (enExample) 2006-02-23
JP4284212B2 true JP4284212B2 (ja) 2009-06-24

Family

ID=34220059

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004057989A Expired - Lifetime JP4284212B2 (ja) 2003-06-20 2004-03-02 照光装置

Country Status (1)

Country Link
JP (1) JP4284212B2 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100692742B1 (ko) 2005-05-13 2007-03-09 삼성전자주식회사 도광층을 갖는 키 패드 및 키 패드 어셈블리
JP4581971B2 (ja) * 2005-06-10 2010-11-17 パナソニック株式会社 キー入力装置
US7351928B2 (en) 2005-06-10 2008-04-01 Matsushita Electric Industrial Co., Ltd. Key input device
KR100689394B1 (ko) * 2005-06-28 2007-03-02 삼성전자주식회사 휴대 장치용 키패드 어셈블리
JP4677836B2 (ja) * 2005-06-30 2011-04-27 株式会社ケンウッド キー操作部
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
CN101256911B (zh) * 2008-04-11 2012-06-06 精模电子科技（深圳）有限公司 具有导光板的发光键盘
JP4904599B2 (ja) * 2008-07-25 2012-03-28 住友電工プリントサーキット株式会社 配線モジュールおよび電子機器
JP2010092738A (ja) * 2008-10-08 2010-04-22 Sumitomo Electric Printed Circuit Inc 導光シート、配線モジュールおよび電子機器
JP5204017B2 (ja) * 2009-03-19 2013-06-05 アルプス電気株式会社 照光機能を有するキーボード装置
JP5204018B2 (ja) * 2009-03-19 2013-06-05 アルプス電気株式会社 照光機能を有するキーボード装置
JP4491033B2 (ja) 2008-11-27 2010-06-30 株式会社東芝 キーボードおよび電子機器
TWI437292B (zh) 2008-12-25 2014-05-11 Mitsubishi Rayon Co 光源裝置用導光體
TWI385691B (zh) * 2009-04-08 2013-02-11 Chicony Electronics Co Ltd Glowing keyboard
JP2010257910A (ja) * 2009-04-28 2010-11-11 Fujikura Ltd シートスイッチモジュール
JP2010271971A (ja) * 2009-05-22 2010-12-02 Zippy Technology Corp 発光キーボードの光色調整構造
JP5310325B2 (ja) 2009-07-07 2013-10-09 沖電気工業株式会社 キーボード構造

Also Published As

Publication number Publication date
JP2005032703A (ja) 2005-02-03

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