JPS6227306U - - Google Patents

Info

Publication number
JPS6227306U
JPS6227306U JP11877985U JP11877985U JPS6227306U JP S6227306 U JPS6227306 U JP S6227306U JP 11877985 U JP11877985 U JP 11877985U JP 11877985 U JP11877985 U JP 11877985U JP S6227306 U JPS6227306 U JP S6227306U
Authority
JP
Japan
Prior art keywords
light
transmission means
cover
light source
cold cathode
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.)
Granted
Application number
JP11877985U
Other languages
Japanese (ja)
Other versions
JPH052883Y2 (en
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 filed Critical
Priority to JP1985118779U priority Critical patent/JPH052883Y2/ja
Publication of JPS6227306U publication Critical patent/JPS6227306U/ja
Application granted granted Critical
Publication of JPH052883Y2 publication Critical patent/JPH052883Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Elements Other Than Lenses (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図及び第２図はそれぞれ本考案の第１実施
例による光拡散装置の斜視図及び断面図、第３図
は本考案の第２実施例による光拡散装置の断面図
、第４図は本考案の第３実施例による光拡散装置
の断面図、第５図は具体例による光拡散装置の照
明表示面における輝度分布を示すグラフ、第６図
は特願昭５９―２２７５３７号において本考案者
が提案した光拡散装置の断面図である。 なお、図面に用いた符号において、１……透明
板状体、２……光伝送体、２ａ……光入射面、２
ｂ……光出射面、３……光反射板、４……光拡散
板、５……光源、６……カバー、である。 1 and 2 are respectively a perspective view and a sectional view of a light diffusing device according to a first embodiment of the present invention, FIG. 3 is a sectional view of a light diffusing device according to a second embodiment of the present invention, and FIG. 4 is a sectional view of a light diffusing device according to a second embodiment of the present invention. A sectional view of a light diffusing device according to a third embodiment of the present invention, FIG. 5 is a graph showing the luminance distribution on the illumination display surface of a light diffusing device according to a specific example, and FIG. 1 is a cross-sectional view of a light diffusion device proposed by the authors. In addition, in the symbols used in the drawings, 1...transparent plate-like body, 2...light transmission body, 2a...light incidence surface, 2
b...Light exit surface, 3...Light reflection plate, 4...Light diffusion plate, 5...Light source, 6...Cover.

Claims (1)

【実用新案登録請求の範囲】 １ 互いに積層された複数の透明板状体から成り
、これらの複数の透明板状体の一端面及び他端面
によつてそれぞれ構成された光入射面及び光出射
面を有する光伝送手段と、 上記光伝送手段の上記光入射面に光を照射する
ための光源と、 上記光源を覆うように設けられているカバーと
、 上記光伝送手段の照明表示面側に設けられてい
る光拡散板とをそれぞれ具備する光拡散装置にお
いて、 上記光拡散板と上記光伝送手段との間にその一
端部が挾み込まれるように上記カバーを設けたこ
とを特徴とする光拡散装置。 ２ 上記光源を互いに平行な２本の冷陰極管また
は蛍光灯により構成し、これらの冷陰極管または
蛍光灯を上記光入射面に平行に設けた実用新案登
録請求の範囲第１項に記載の光拡散装置。 ３ 互いに対向して設けられている２個の光伝送
手段を有し、これらの光伝送手段のそれぞれの光
入射面に平行に冷陰極管または蛍光灯から成る光
源を設けた実用新案登録請求の範囲第１項に記載
の光拡散装置。[Claims for Utility Model Registration] 1. Consisting of a plurality of transparent plate-like bodies laminated on each other, a light incident surface and a light exit surface respectively constituted by one end surface and the other end surface of these plurality of transparent plate-like bodies. a light transmission means having: a light source for irradiating light onto the light incident surface of the light transmission means; a cover provided to cover the light source; and a cover provided on the illumination display surface side of the light transmission means. A light diffusing device each comprising a light diffusing plate, wherein the cover is provided so that one end thereof is sandwiched between the light diffusing plate and the light transmission means. Diffusion device. 2. The utility model registration claim set forth in claim 1, wherein the light source is constituted by two cold cathode tubes or fluorescent lamps parallel to each other, and these cold cathode tubes or fluorescent lamps are provided parallel to the light entrance surface. Light diffusion device. 3. A request for registration of a utility model that has two optical transmission means arranged opposite to each other, and a light source consisting of a cold cathode tube or a fluorescent lamp is installed parallel to the light incidence plane of each of these optical transmission means. The light diffusing device according to scope 1.
JP1985118779U 1985-08-01 1985-08-01 Expired - Lifetime JPH052883Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985118779U JPH052883Y2 (en) 1985-08-01 1985-08-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985118779U JPH052883Y2 (en) 1985-08-01 1985-08-01

Publications (2)

Publication Number Publication Date
JPS6227306U true JPS6227306U (en) 1987-02-19
JPH052883Y2 JPH052883Y2 (en) 1993-01-25

Family

ID=31005556

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985118779U Expired - Lifetime JPH052883Y2 (en) 1985-08-01 1985-08-01

Country Status (1)

Country Link
JP (1) JPH052883Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0467626U (en) * 1990-10-25 1992-06-16
JPH06314069A (en) * 1993-03-03 1994-11-08 Fujitsu Ltd Illuminating device
JPH11176223A (en) * 1997-12-05 1999-07-02 Enplas Corp Edge-emitting light source apparatus and liquid crystal display apparatus

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5333386U (en) * 1976-08-30 1978-03-23
JPS5414684U (en) * 1977-07-05 1979-01-30
JPS5446289U (en) * 1977-09-07 1979-03-30
JPS54127299A (en) * 1978-03-25 1979-10-03 Citizen Watch Co Ltd Lighting structure of photo detection type display unit
JPS59210411A (en) * 1983-05-13 1984-11-29 Seiko Epson Corp Plane light source
JPS6087387A (en) * 1983-10-20 1985-05-17 三菱レイヨン株式会社 Light diffuser

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5414684B2 (en) * 1973-12-22 1979-06-08
JPS5333386B2 (en) * 1974-01-22 1978-09-13

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5333386U (en) * 1976-08-30 1978-03-23
JPS5414684U (en) * 1977-07-05 1979-01-30
JPS5446289U (en) * 1977-09-07 1979-03-30
JPS54127299A (en) * 1978-03-25 1979-10-03 Citizen Watch Co Ltd Lighting structure of photo detection type display unit
JPS59210411A (en) * 1983-05-13 1984-11-29 Seiko Epson Corp Plane light source
JPS6087387A (en) * 1983-10-20 1985-05-17 三菱レイヨン株式会社 Light diffuser

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0467626U (en) * 1990-10-25 1992-06-16
JPH06314069A (en) * 1993-03-03 1994-11-08 Fujitsu Ltd Illuminating device
JPH11176223A (en) * 1997-12-05 1999-07-02 Enplas Corp Edge-emitting light source apparatus and liquid crystal display apparatus

Also Published As

Publication number Publication date
JPH052883Y2 (en) 1993-01-25

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