JPH0233082U - - Google Patents

Info

Publication number
JPH0233082U
JPH0233082U JP11146588U JP11146588U JPH0233082U JP H0233082 U JPH0233082 U JP H0233082U JP 11146588 U JP11146588 U JP 11146588U JP 11146588 U JP11146588 U JP 11146588U JP H0233082 U JPH0233082 U JP H0233082U
Authority
JP
Japan
Prior art keywords
light source
line
longitudinal direction
linear
backlight device
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
JP11146588U
Other languages
Japanese (ja)
Other versions
JPH0624856Y2 (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 JP11146588U priority Critical patent/JPH0624856Y2/en
Publication of JPH0233082U publication Critical patent/JPH0233082U/ja
Application granted granted Critical
Publication of JPH0624856Y2 publication Critical patent/JPH0624856Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Description

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

第１図乃至第３図は本考案のバツクライト装置
の実施の一例を示すものであり、第１図は概略斜
視図、第２図は概略断面図、第３図は第２図の
―線に沿う断面図、第４図は本考案バツクライ
ト装置の第１の適用例を示す断面図、第５図は本
考案バツクライト装置の第２の適用例を示す断面
図である。 符号の説明、１……バツクライト装置、２ａ…
…線光源、５……レンチキユラーレンズ、６……
シリンドリカルレンズ、７……リニアフレネルレ
ンズ、８……フレネルステツプ、１０……透過型
の表示要素、１３……透過型の表示要素。 1 to 3 show an example of the implementation of the backlight device of the present invention, in which FIG. 1 is a schematic perspective view, FIG. 2 is a schematic sectional view, and FIG. 4 is a sectional view showing a first application example of the backlight device of the present invention, and FIG. 5 is a sectional view showing a second application example of the backlight device of the present invention. Explanation of symbols, 1...Backlight device, 2a...
... Line light source, 5 ... Lenticular lens, 6 ...
Cylindrical lens, 7... Linear Fresnel lens, 8... Fresnel step, 10... Transmissive display element, 13... Transmissive display element.

Claims (1)

【実用新案登録請求の範囲】 透過型の表示要素をその背面側から照明するバ
ツクライト装置であつて、 線光源と、 線光源の前側に配置され、線光源の長手方向と
直交する方向に延びる焦線が線光源と交差するよ
うに位置したシリンドリカルレンズが多数配置さ
れたレンチキユラーレンズと、 レンチキユラーレンズの前側に配置され、線光
源の長手方向と同じ方向に延びる多数のフレネル
ステツプが線光源の長手方向と直交する方向に配
列されて成り、焦線が線光源上に位置したリニア
フレネルレンズとを備えた ことを特徴とするバツクライト装置。[Claims for Utility Model Registration] A backlight device for illuminating a transmissive display element from the back side thereof, comprising: a line light source; and a focal point disposed in front of the line light source and extending in a direction perpendicular to the longitudinal direction of the line light source. A lenticular lens has a large number of cylindrical lenses arranged so that the line intersects with the linear light source, and a large number of Fresnel steps arranged in front of the lenticular lens and extending in the same direction as the longitudinal direction of the linear light source. 1. A backlight device comprising linear Fresnel lenses arranged in a direction perpendicular to the longitudinal direction of the light source, the focal line of which is located above the linear light source.
JP11146588U 1988-08-25 1988-08-25 Backlight device Expired - Lifetime JPH0624856Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11146588U JPH0624856Y2 (en) 1988-08-25 1988-08-25 Backlight device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11146588U JPH0624856Y2 (en) 1988-08-25 1988-08-25 Backlight device

Publications (2)

Publication Number Publication Date
JPH0233082U true JPH0233082U (en) 1990-03-01
JPH0624856Y2 JPH0624856Y2 (en) 1994-06-29

Family

ID=31349534

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11146588U Expired - Lifetime JPH0624856Y2 (en) 1988-08-25 1988-08-25 Backlight device

Country Status (1)

Country Link
JP (1) JPH0624856Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996012208A1 (en) * 1994-10-18 1996-04-25 Hitachi, Ltd. Liquid crystal display
JP2006058433A (en) * 2004-08-18 2006-03-02 Sony Corp Display device and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996012208A1 (en) * 1994-10-18 1996-04-25 Hitachi, Ltd. Liquid crystal display
JP2006058433A (en) * 2004-08-18 2006-03-02 Sony Corp Display device and method
JP4626800B2 (en) * 2004-08-18 2011-02-09 ソニー株式会社 Display device and method

Also Published As

Publication number Publication date
JPH0624856Y2 (en) 1994-06-29

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