JPS60120484U - Backlight unit for LCD display - Google Patents

Backlight unit for LCD display

Info

Publication number
JPS60120484U
JPS60120484U JP847984U JP847984U JPS60120484U JP S60120484 U JPS60120484 U JP S60120484U JP 847984 U JP847984 U JP 847984U JP 847984 U JP847984 U JP 847984U JP S60120484 U JPS60120484 U JP S60120484U
Authority
JP
Japan
Prior art keywords
fluorescent lamp
backlight unit
lens
lcd display
light
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
JP847984U
Other languages
Japanese (ja)
Inventor
三郎 伊藤
陽介 西影
均 畑
Original Assignee
日本電気ホームエレクトロニクス株式会社
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 日本電気ホームエレクトロニクス株式会社 filed Critical 日本電気ホームエレクトロニクス株式会社
Priority to JP847984U priority Critical patent/JPS60120484U/en
Publication of JPS60120484U publication Critical patent/JPS60120484U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は本考案の一実施例を示す正面図、第２図は第１
図のＡ−Ａ線に沿う断面図、第３図は第２図のバックラ
イトユニットの光進行を説明するための部分拡大断面図
、第４図は第２図の要所における配光分布線図、第５図
は第２図の螢光ランプの一例を示す断面図、第６図は第
１区のＢ−Ｂ　　　　　線からの底面図である。 ２・・・ハックラントユニット、３・・・反射板、４・
・・螢光ランプ、６・・・レンズ、７・・・光拡散板。Fig. 1 is a front view showing one embodiment of the present invention, and Fig. 2 is a front view showing an embodiment of the present invention.
3 is a partially enlarged sectional view for explaining the light progression of the backlight unit in FIG. 2, and FIG. 4 is a light distribution line at key points in FIG. 2. 5 is a sectional view showing an example of the fluorescent lamp shown in FIG. 2, and FIG. 6 is a bottom view of the first section taken along line B--B. 2... Hacklant unit, 3... Reflector, 4...
... Fluorescent lamp, 6... Lens, 7... Light diffusion plate.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 三波長域の発光スペクトルを持つ螢光ランプと、螢光ラ
ンプの背面側に配置された反射板と、反対板の反対側に
配置され螢光ランプの光をランプ中心線に対し左右に分
散透過させるレンズ及び当該レンズからの光をほぼ均一
に散乱透過させる光拡散板とを具備したことを特徴とす
る液晶表示用バックライトユニット。A fluorescent lamp with an emission spectrum in three wavelength ranges, a reflective plate placed on the back side of the fluorescent lamp, and a reflective plate placed on the opposite side of the fluorescent lamp to disperse and transmit the light from the fluorescent lamp to the left and right of the lamp center line. What is claimed is: 1. A backlight unit for a liquid crystal display, comprising: a lens that scatters and transmits light from the lens substantially uniformly; and a light diffusing plate that almost uniformly scatters and transmits light from the lens.
JP847984U 1984-01-24 1984-01-24 Backlight unit for LCD display Pending JPS60120484U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP847984U JPS60120484U (en) 1984-01-24 1984-01-24 Backlight unit for LCD display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP847984U JPS60120484U (en) 1984-01-24 1984-01-24 Backlight unit for LCD display

Publications (1)

Publication Number Publication Date
JPS60120484U true JPS60120484U (en) 1985-08-14

Family

ID=30487802

Family Applications (1)

Application Number Title Priority Date Filing Date
JP847984U Pending JPS60120484U (en) 1984-01-24 1984-01-24 Backlight unit for LCD display

Country Status (1)

Country Link
JP (1) JPS60120484U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63137322U (en) * 1987-02-27 1988-09-09
JPS63170879U (en) * 1987-04-28 1988-11-07
JPH01241590A (en) * 1988-03-23 1989-09-26 Fujitsu Ltd Surface lighting device
JPH0385586A (en) * 1989-08-30 1991-04-10 Enplas Corp Diffusion plate
WO2002011106A1 (en) * 2000-07-31 2002-02-07 Nippon Seiki Co.,Ltd Back light device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63137322U (en) * 1987-02-27 1988-09-09
JPS63170879U (en) * 1987-04-28 1988-11-07
JPH01241590A (en) * 1988-03-23 1989-09-26 Fujitsu Ltd Surface lighting device
JPH0385586A (en) * 1989-08-30 1991-04-10 Enplas Corp Diffusion plate
WO2002011106A1 (en) * 2000-07-31 2002-02-07 Nippon Seiki Co.,Ltd Back light device

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