JP5036835B2 - 導光シート、接点ばね付きシート及びスイッチ装置 - Google Patents

導光シート、接点ばね付きシート及びスイッチ装置 Download PDF

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Publication number
JP5036835B2
JP5036835B2 JP2010041743A JP2010041743A JP5036835B2 JP 5036835 B2 JP5036835 B2 JP 5036835B2 JP 2010041743 A JP2010041743 A JP 2010041743A JP 2010041743 A JP2010041743 A JP 2010041743A JP 5036835 B2 JP5036835 B2 JP 5036835B2
Authority
JP
Japan
Prior art keywords
light
illumination
light source
sheet
guide sheet
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.)
Active
Application number
JP2010041743A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011181211A (ja
Inventor
琢郎 杉浦
貢三 松尾
進吾 増田
高太郎 小林
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.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric 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 Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Priority to JP2010041743A priority Critical patent/JP5036835B2/ja
Priority to CN2011100380844A priority patent/CN102192479B/zh
Priority to KR1020110016046A priority patent/KR101267166B1/ko
Publication of JP2011181211A publication Critical patent/JP2011181211A/ja
Application granted granted Critical
Publication of JP5036835B2 publication Critical patent/JP5036835B2/ja
Active 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
    • H01H13/70—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
    • G02B6/0033—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
    • 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
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Push-Button Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Planar Illumination Modules (AREA)
JP2010041743A 2010-02-26 2010-02-26 導光シート、接点ばね付きシート及びスイッチ装置 Active JP5036835B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2010041743A JP5036835B2 (ja) 2010-02-26 2010-02-26 導光シート、接点ばね付きシート及びスイッチ装置
CN2011100380844A CN102192479B (zh) 2010-02-26 2011-02-15 导光片、带触点弹簧的片以及开关装置
KR1020110016046A KR101267166B1 (ko) 2010-02-26 2011-02-23 도광 시트, 접점 스프링 부착 시트 및 스위치 장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010041743A JP5036835B2 (ja) 2010-02-26 2010-02-26 導光シート、接点ばね付きシート及びスイッチ装置

Publications (2)

Publication Number Publication Date
JP2011181211A JP2011181211A (ja) 2011-09-15
JP5036835B2 true JP5036835B2 (ja) 2012-09-26

Family

ID=44601094

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010041743A Active JP5036835B2 (ja) 2010-02-26 2010-02-26 導光シート、接点ばね付きシート及びスイッチ装置

Country Status (3)

Country Link
JP (1) JP5036835B2 (ko)
KR (1) KR101267166B1 (ko)
CN (1) CN102192479B (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013161587A (ja) * 2012-02-02 2013-08-19 Alps Electric Co Ltd メンブレンスイッチユニットおよびこのメンブレンスイッチユニットを用いたキーボード装置
JP6319789B2 (ja) * 2014-02-27 2018-05-09 アルプス電気株式会社 ライトガイドおよびライトガイドを用いた照光装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007248981A (ja) * 2006-03-17 2007-09-27 Asuko:Kk 疑似フルカラー表示装置および道路標識
JP2008235021A (ja) * 2007-03-20 2008-10-02 Sumitomo Electric Printed Circuit Inc 入力モジュールおよび携帯機器
JP2009117233A (ja) * 2007-11-08 2009-05-28 Alps Electric Co Ltd スイッチ用照光部材、及びスイッチ用照光部材を有するスイッチ装置
JP2009140871A (ja) * 2007-12-10 2009-06-25 Alps Electric Co Ltd スイッチ用照光部材、及びスイッチ用照光部材を有するスイッチ装置
JP2009146652A (ja) * 2007-12-12 2009-07-02 Citizen Electronics Co Ltd 操作キー照明装置及び電子機器
JP2009187855A (ja) * 2008-02-08 2009-08-20 Shin Etsu Polymer Co Ltd 携帯電話の照明構造

Also Published As

Publication number Publication date
JP2011181211A (ja) 2011-09-15
KR20110098647A (ko) 2011-09-01
KR101267166B1 (ko) 2013-05-24
CN102192479A (zh) 2011-09-21
CN102192479B (zh) 2013-03-20

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