JPH01103112U - - Google Patents

Info

Publication number
JPH01103112U
JPH01103112U JP1987197346U JP19734687U JPH01103112U JP H01103112 U JPH01103112 U JP H01103112U JP 1987197346 U JP1987197346 U JP 1987197346U JP 19734687 U JP19734687 U JP 19734687U JP H01103112 U JPH01103112 U JP H01103112U
Authority
JP
Japan
Prior art keywords
light source
lighting device
reflecting plate
linear light
reflecting
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
JP1987197346U
Other languages
Japanese (ja)
Other versions
JPH0530253Y2 (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 JP1987197346U priority Critical patent/JPH0530253Y2/ja
Priority to US07/216,429 priority patent/US5038259A/en
Priority to EP88110897A priority patent/EP0298492B1/en
Priority to DE3853024T priority patent/DE3853024T2/en
Priority to KR1019880008437A priority patent/KR970008278B1/en
Priority to CA000571588A priority patent/CA1333710C/en
Publication of JPH01103112U publication Critical patent/JPH01103112U/ja
Priority to US07/706,306 priority patent/US5144539A/en
Priority to US07/737,488 priority patent/US5101330A/en
Priority to US07/738,128 priority patent/US5101331A/en
Priority to US07/737,979 priority patent/US5105345A/en
Application granted granted Critical
Publication of JPH0530253Y2 publication Critical patent/JPH0530253Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Illuminated Signs And Luminous Advertising (AREA)

Description

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

第１図は本考案の一実施例の断面図、第２図は
第１図における蛍光管部分の拡大図、第３図は従
来の照明装置の断面図、第４図は蛍光管上に設け
た光吸収部材のパターンを示す図、第５図は上記
パターンの他の例を示す図、第６図は第３図の照
明装置の輝度分布を示す図、第７図は蛍光管上に
光吸収部材を設けた時の照明装置の輝度分布を示
す図である。 １……反射板、２……光源、３……拡散板、４
……光吸収部材、５……反射層。 Fig. 1 is a sectional view of an embodiment of the present invention, Fig. 2 is an enlarged view of the fluorescent tube part in Fig. 1, Fig. 3 is a sectional view of a conventional lighting device, and Fig. 4 is a sectional view of a fluorescent tube installed on the fluorescent tube. FIG. 5 is a diagram showing another example of the above pattern, FIG. 6 is a diagram showing the luminance distribution of the illumination device in FIG. 3, and FIG. FIG. 6 is a diagram showing the luminance distribution of the lighting device when an absorbing member is provided. 1...Reflector, 2...Light source, 3...Diffusion plate, 4
...Light-absorbing member, 5...Reflection layer.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 反射板の上部に直線状の光源を配置しこの直線
状の光源に対して反射板と反対側に拡散板を配置
した照明装置において、前記光源管上面に反射層
を介して光量調整用の光吸収又は低反射率部材を
配置したことを特徴とする照明装置。 In a lighting device in which a linear light source is arranged above a reflecting plate and a diffuser plate is arranged on the opposite side of the linear light source to the reflecting plate, light for adjusting the light amount is provided on the upper surface of the light source tube through a reflecting layer. A lighting device characterized by disposing an absorbing or low reflectance member.
JP1987197346U 1987-07-09 1987-12-28 Expired - Lifetime JPH0530253Y2 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP1987197346U JPH0530253Y2 (en) 1987-12-28 1987-12-28
US07/216,429 US5038259A (en) 1987-07-09 1988-07-07 Illumination device
EP88110897A EP0298492B1 (en) 1987-07-09 1988-07-07 An illumination device
DE3853024T DE3853024T2 (en) 1987-07-09 1988-07-07 Lighting device.
KR1019880008437A KR970008278B1 (en) 1987-07-09 1988-07-07 An illumination device
CA000571588A CA1333710C (en) 1987-07-09 1988-07-08 Illuminated device
US07/706,306 US5144539A (en) 1987-07-09 1991-05-28 Illumination device
US07/737,488 US5101330A (en) 1987-07-09 1991-07-30 Illumination device
US07/738,128 US5101331A (en) 1987-07-09 1991-07-30 Illumination device
US07/737,979 US5105345A (en) 1987-07-09 1991-07-30 Illumination device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987197346U JPH0530253Y2 (en) 1987-12-28 1987-12-28

Publications (2)

Publication Number Publication Date
JPH01103112U true JPH01103112U (en) 1989-07-12
JPH0530253Y2 JPH0530253Y2 (en) 1993-08-03

Family

ID=31487905

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987197346U Expired - Lifetime JPH0530253Y2 (en) 1987-07-09 1987-12-28

Country Status (1)

Country Link
JP (1) JPH0530253Y2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6190106U (en) * 1984-11-20 1986-06-12
JPS61133502A (en) * 1984-12-03 1986-06-20 三菱電機株式会社 Surface light source unit
JPS62145214U (en) * 1986-03-10 1987-09-12

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6190106U (en) * 1984-11-20 1986-06-12
JPS61133502A (en) * 1984-12-03 1986-06-20 三菱電機株式会社 Surface light source unit
JPS62145214U (en) * 1986-03-10 1987-09-12

Also Published As

Publication number Publication date
JPH0530253Y2 (en) 1993-08-03

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