JP2540303Y2 - 面光源装置 - Google Patents

面光源装置

Info

Publication number
JP2540303Y2
JP2540303Y2 JP1990063983U JP6398390U JP2540303Y2 JP 2540303 Y2 JP2540303 Y2 JP 2540303Y2 JP 1990063983 U JP1990063983 U JP 1990063983U JP 6398390 U JP6398390 U JP 6398390U JP 2540303 Y2 JP2540303 Y2 JP 2540303Y2
Authority
JP
Japan
Prior art keywords
light source
light guide
diffusion
face
incident end
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
JP1990063983U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0422780U (US07488766-20090210-C00029.png
Inventor
和明 横山
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.)
Enplas Corp
Original Assignee
Enplas Corp
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 Enplas Corp filed Critical Enplas Corp
Priority to JP1990063983U priority Critical patent/JP2540303Y2/ja
Priority to KR1019910003879A priority patent/KR100225864B1/ko
Priority to DE69120349T priority patent/DE69120349T2/de
Priority to US07/666,901 priority patent/US5134549A/en
Priority to EP91103713A priority patent/EP0462361B1/en
Publication of JPH0422780U publication Critical patent/JPH0422780U/ja
Application granted granted Critical
Publication of JP2540303Y2 publication Critical patent/JP2540303Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Optical Elements Other Than Lenses (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
JP1990063983U 1990-06-19 1990-06-19 面光源装置 Expired - Lifetime JP2540303Y2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1990063983U JP2540303Y2 (ja) 1990-06-19 1990-06-19 面光源装置
KR1019910003879A KR100225864B1 (ko) 1990-06-19 1991-03-11 면광원장치
DE69120349T DE69120349T2 (de) 1990-06-19 1991-03-11 Gerät für eine flächenartige Lichtquelle
US07/666,901 US5134549A (en) 1990-06-19 1991-03-11 Surface light source device
EP91103713A EP0462361B1 (en) 1990-06-19 1991-03-11 Surface light source device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990063983U JP2540303Y2 (ja) 1990-06-19 1990-06-19 面光源装置

Publications (2)

Publication Number Publication Date
JPH0422780U JPH0422780U (US07488766-20090210-C00029.png) 1992-02-25
JP2540303Y2 true JP2540303Y2 (ja) 1997-07-02

Family

ID=31594518

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990063983U Expired - Lifetime JP2540303Y2 (ja) 1990-06-19 1990-06-19 面光源装置

Country Status (1)

Country Link
JP (1) JP2540303Y2 (US07488766-20090210-C00029.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990003536A (ko) * 1997-06-25 1999-01-15 김영환 액정 표시 장치의 백라이트 유닛

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01221733A (ja) * 1988-02-29 1989-09-05 Brother Ind Ltd 原橋保護装置

Also Published As

Publication number Publication date
JPH0422780U (US07488766-20090210-C00029.png) 1992-02-25

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term