JPH043424U - - Google Patents

Info

Publication number
JPH043424U
JPH043424U JP4369390U JP4369390U JPH043424U JP H043424 U JPH043424 U JP H043424U JP 4369390 U JP4369390 U JP 4369390U JP 4369390 U JP4369390 U JP 4369390U JP H043424 U JPH043424 U JP H043424U
Authority
JP
Japan
Prior art keywords
light
light emitting
emitting source
backlight device
diffuser plate
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.)
Pending
Application number
JP4369390U
Other languages
Japanese (ja)
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 JP4369390U priority Critical patent/JPH043424U/ja
Publication of JPH043424U publication Critical patent/JPH043424U/ja
Pending legal-status Critical Current

Links

Description

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

第１図および第２図は本考案に係るバツクライ
ト装置の一実施例を示す図であり、第１図はその
分解斜視図、第２図はその断面図、第３図〜第５
図は従来のバツクライト装置を示す図であり、第
３図はその分解斜視図、第４図はその断面図、第
５図はその調光パターンが形成されたバツクライ
ト装置の断面図である。 １２…蛍光管（発光源）、１３…反射板、２１
…バツクライト装置、２２…拡散板、２３…調光
パターン。 1 and 2 are views showing one embodiment of the back light device according to the present invention, in which FIG. 1 is an exploded perspective view thereof, FIG. 2 is a sectional view thereof, and FIGS.
The figures show a conventional backlight device; FIG. 3 is an exploded perspective view thereof, FIG. 4 is a sectional view thereof, and FIG. 5 is a sectional view of the backlight device in which the dimming pattern is formed. 12... Fluorescent tube (light source), 13... Reflector, 21
... Backlight device, 22... Diffusion plate, 23... Dimming pattern.

Claims (1)

【実用新案登録請求の範囲】 発光源と、該発光源からの光を均一化して面発
光とする拡散板とを備えたバツクライト装置にお
いて、 前記拡散板には、前記発光源からの距離に応じ
て輝度を均一化させ、かつ、発光した光のうち所
定の波長の光の透過状態を変える調光パターンを
設けたことを特徴とするバツクライト装置。[Claims for Utility Model Registration] In a backlight device comprising a light emitting source and a diffuser plate that homogenizes the light from the light emitting source to emit light from a surface, the diffuser plate is provided with a light emitting device according to the distance from the light emitting source. What is claimed is: 1. A backlight device comprising a dimming pattern that uniformizes brightness and changes the transmission state of light of a predetermined wavelength among the emitted light.
JP4369390U 1990-04-24 1990-04-24 Pending JPH043424U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4369390U JPH043424U (en) 1990-04-24 1990-04-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4369390U JPH043424U (en) 1990-04-24 1990-04-24

Publications (1)

Publication Number Publication Date
JPH043424U true JPH043424U (en) 1992-01-13

Family

ID=31556322

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4369390U Pending JPH043424U (en) 1990-04-24 1990-04-24

Country Status (1)

Country Link
JP (1) JPH043424U (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5838186B2 (en) * 1978-10-19 1983-08-20 日産自動車株式会社 seat belt retractor
JPS6332584A (en) * 1986-07-28 1988-02-12 株式会社日立製作所 Flatting light source
JPH02131222A (en) * 1988-11-11 1990-05-21 Matsushita Electric Ind Co Ltd Surface light emitting device and panel for surface light emitting device
JPH02251882A (en) * 1989-03-24 1990-10-09 Sharp Corp Cold cathode-ray tube backlighting device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5838186B2 (en) * 1978-10-19 1983-08-20 日産自動車株式会社 seat belt retractor
JPS6332584A (en) * 1986-07-28 1988-02-12 株式会社日立製作所 Flatting light source
JPH02131222A (en) * 1988-11-11 1990-05-21 Matsushita Electric Ind Co Ltd Surface light emitting device and panel for surface light emitting device
JPH02251882A (en) * 1989-03-24 1990-10-09 Sharp Corp Cold cathode-ray tube backlighting device

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