JP2554180Y2 - 面光源装置 - Google Patents

面光源装置

Info

Publication number
JP2554180Y2
JP2554180Y2 JP1990081739U JP8173990U JP2554180Y2 JP 2554180 Y2 JP2554180 Y2 JP 2554180Y2 JP 1990081739 U JP1990081739 U JP 1990081739U JP 8173990 U JP8173990 U JP 8173990U JP 2554180 Y2 JP2554180 Y2 JP 2554180Y2
Authority
JP
Japan
Prior art keywords
light source
area
light guide
pattern
face
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
JP1990081739U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0440268U (sk
Inventor
和明 横山
Original Assignee
株式会社 エンプラス
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 株式会社 エンプラス filed Critical 株式会社 エンプラス
Priority to JP1990081739U priority Critical patent/JP2554180Y2/ja
Priority to DE69120349T priority patent/DE69120349T2/de
Priority to EP91103713A priority patent/EP0462361B1/en
Priority to US07/666,901 priority patent/US5134549A/en
Priority to KR1019910003879A priority patent/KR100225864B1/ko
Publication of JPH0440268U publication Critical patent/JPH0440268U/ja
Application granted granted Critical
Publication of JP2554180Y2 publication Critical patent/JP2554180Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Illuminated Signs And Luminous Advertising (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
JP1990081739U 1990-06-19 1990-08-02 面光源装置 Expired - Lifetime JP2554180Y2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1990081739U JP2554180Y2 (ja) 1990-08-02 1990-08-02 面光源装置
DE69120349T DE69120349T2 (de) 1990-06-19 1991-03-11 Gerät für eine flächenartige Lichtquelle
EP91103713A EP0462361B1 (en) 1990-06-19 1991-03-11 Surface light source device
US07/666,901 US5134549A (en) 1990-06-19 1991-03-11 Surface light source device
KR1019910003879A KR100225864B1 (ko) 1990-06-19 1991-03-11 면광원장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990081739U JP2554180Y2 (ja) 1990-08-02 1990-08-02 面光源装置

Publications (2)

Publication Number Publication Date
JPH0440268U JPH0440268U (sk) 1992-04-06
JP2554180Y2 true JP2554180Y2 (ja) 1997-11-12

Family

ID=31627943

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990081739U Expired - Lifetime JP2554180Y2 (ja) 1990-06-19 1990-08-02 面光源装置

Country Status (1)

Country Link
JP (1) JP2554180Y2 (sk)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1068947A (ja) * 1996-08-27 1998-03-10 Matsushita Electric Works Ltd エッジライトパネルとその製造方法
JP5851217B2 (ja) * 2011-11-25 2016-02-03 シャープ株式会社 光源モジュール、並びにそれを備えた電子機器および液晶表示装置
JP5621015B1 (ja) * 2013-05-31 2014-11-05 シャープ株式会社 導光板、照明装置、表示装置、及びテレビ受信装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2573365B2 (ja) * 1989-08-30 1997-01-22 株式会社東芝 液晶表示装置
JP3051476U (ja) * 1997-12-17 1998-08-25 和人 丸山 ペースメーカー電磁波障害防止着衣

Also Published As

Publication number Publication date
JPH0440268U (sk) 1992-04-06

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term