JP4894941B2 - 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 PDF

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Publication number
JP4894941B2
JP4894941B2 JP2010108870A JP2010108870A JP4894941B2 JP 4894941 B2 JP4894941 B2 JP 4894941B2 JP 2010108870 A JP2010108870 A JP 2010108870A JP 2010108870 A JP2010108870 A JP 2010108870A JP 4894941 B2 JP4894941 B2 JP 4894941B2
Authority
JP
Japan
Prior art keywords
light
light emitting
base material
guide sheet
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.)
Expired - Fee Related
Application number
JP2010108870A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011029156A (ja
JP2011029156A5 (enExample
Inventor
功二 田邉
直樹 立畠
寛敏 渡辺
勉 相阪
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
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
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, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP2010108870A priority Critical patent/JP4894941B2/ja
Priority to KR1020117019370A priority patent/KR101243538B1/ko
Priority to CN201080029337.5A priority patent/CN102473542B/zh
Priority to US13/254,506 priority patent/US20110315534A1/en
Priority to PCT/JP2010/004260 priority patent/WO2011001654A1/ja
Publication of JP2011029156A publication Critical patent/JP2011029156A/ja
Publication of JP2011029156A5 publication Critical patent/JP2011029156A5/ja
Application granted granted Critical
Publication of JP4894941B2 publication Critical patent/JP4894941B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01H13/02—Details
    • 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
    • H01H13/702—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 with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/064—Optical isolation of switch sites

Landscapes

  • Push-Button Switches (AREA)
JP2010108870A 2009-06-29 2010-05-11 導光シート及びこれを用いた可動接点体 Expired - Fee Related JP4894941B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2010108870A JP4894941B2 (ja) 2009-06-29 2010-05-11 導光シート及びこれを用いた可動接点体
KR1020117019370A KR101243538B1 (ko) 2009-06-29 2010-06-28 도광 시트와 이것을 이용한 가동 접점체, 스위치
CN201080029337.5A CN102473542B (zh) 2009-06-29 2010-06-28 导光片和使用了该导光片的可动触点体、开关
US13/254,506 US20110315534A1 (en) 2009-06-29 2010-06-28 Light guide sheet, movable contact body using same, and switch
PCT/JP2010/004260 WO2011001654A1 (ja) 2009-06-29 2010-06-28 導光シートとそれを用いた可動接点体、スイッチ

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2009153390 2009-06-29
JP2009153390 2009-06-29
JP2010108870A JP4894941B2 (ja) 2009-06-29 2010-05-11 導光シート及びこれを用いた可動接点体

Publications (3)

Publication Number Publication Date
JP2011029156A JP2011029156A (ja) 2011-02-10
JP2011029156A5 JP2011029156A5 (enExample) 2011-07-28
JP4894941B2 true JP4894941B2 (ja) 2012-03-14

Family

ID=43410742

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010108870A Expired - Fee Related JP4894941B2 (ja) 2009-06-29 2010-05-11 導光シート及びこれを用いた可動接点体

Country Status (5)

Country Link
US (1) US20110315534A1 (enExample)
JP (1) JP4894941B2 (enExample)
KR (1) KR101243538B1 (enExample)
CN (1) CN102473542B (enExample)
WO (1) WO2011001654A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201245784A (en) * 2011-05-11 2012-11-16 Ichia Tech Inc Light guide plate structure and method of fabricating the same
US9190998B2 (en) * 2012-04-10 2015-11-17 Xerox Corporation Optical switch
KR200475523Y1 (ko) * 2013-10-17 2014-12-05 현대다이모스(주) 유아용 시트 고정장치를 위한 발광장치.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5150257A (en) * 1991-07-29 1992-09-22 Eaton Corporation High reliability, low intensity back lit SR and NVGC indicator assembly
MY123008A (en) * 1998-07-31 2006-05-31 Shinetsu Polymer Co Key top element, push button switch element and method for manufacturing same
JP2001281697A (ja) * 2000-03-30 2001-10-10 Toshiba Corp 液晶表示装置
JP2008041431A (ja) * 2006-08-07 2008-02-21 Sunarrow Ltd キーシート及びそれを備えたキーユニット並びにキーシートの製造方法
JP2008269889A (ja) * 2007-04-18 2008-11-06 Alps Electric Co Ltd スイッチ用照光部材およびそれを用いたスイッチ装置
JP2009156952A (ja) * 2007-12-25 2009-07-16 Nitto Denko Corp 発光装置用光導波路およびその製造方法
JP2009245909A (ja) * 2008-04-01 2009-10-22 Omron Corp キー照明スイッチモジュール及び導光シート
JP5211168B2 (ja) * 2008-08-28 2013-06-12 アルプス電気株式会社 入力装置

Also Published As

Publication number Publication date
JP2011029156A (ja) 2011-02-10
US20110315534A1 (en) 2011-12-29
WO2011001654A1 (ja) 2011-01-06
CN102473542B (zh) 2014-09-03
KR101243538B1 (ko) 2013-03-20
KR20110110813A (ko) 2011-10-07
CN102473542A (zh) 2012-05-23

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