JPH0262417U - - Google Patents

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Publication number
JPH0262417U
JPH0262417U JP14034188U JP14034188U JPH0262417U JP H0262417 U JPH0262417 U JP H0262417U JP 14034188 U JP14034188 U JP 14034188U JP 14034188 U JP14034188 U JP 14034188U JP H0262417 U JPH0262417 U JP H0262417U
Authority
JP
Japan
Prior art keywords
light source
light
diffuser plate
liquid crystal
crystal display
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
JP14034188U
Other languages
Japanese (ja)
Other versions
JPH0734416Y2 (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 JP1988140341U priority Critical patent/JPH0734416Y2/en
Publication of JPH0262417U publication Critical patent/JPH0262417U/ja
Application granted granted Critical
Publication of JPH0734416Y2 publication Critical patent/JPH0734416Y2/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 drawings]

第１図は第１の考案に係るバツクライトの平面
図及び断面図、第２図は第１図ａに示すａ部の拡
大断面図、第３図はこのバツクライトの作用を説
明する説明図、第４図は第２の考案に係るバツク
ライトの要部の拡大断面図、第５図は第１及び第
２の考案に係るバツクライトの効果を示すグラフ
、第６図は従来のバツクライトの構成を示す概略
図である。 １０……光源、２０……ライトガイド、３０…
…拡散板、５０……溝付透明板、５１……溝、６
０……フレネルレンズ板、６１……フレネルレン
ズ、７０……液晶デイスプレイ。 1 is a plan view and a sectional view of the back light according to the first invention, FIG. 2 is an enlarged sectional view of part a shown in FIG. Figure 4 is an enlarged sectional view of the main parts of the backlight according to the second invention, Figure 5 is a graph showing the effects of the backlight according to the first and second inventions, and Figure 6 is a schematic diagram showing the structure of the conventional backlight. It is a diagram. 10... light source, 20... light guide, 30...
...Diffusion plate, 50...Grooved transparent plate, 51...Groove, 6
0... Fresnel lens plate, 61... Fresnel lens, 70... Liquid crystal display.

Claims (1)

【実用新案登録請求の範囲】 (1) 透過型の液晶デイスプレイの背面側から均
一な拡散光を照射するバツクライトにおいて、光
源光を発する光源と、前記光源光を拡散して液晶
デイスプレイを背面から照射する拡散板と、この
拡散板に入射しなかつた光源光を拡散板に反射す
るライトガイドと、前記光源と拡散板との間に介
在されており、入射した光源光を屈折させる複数
の溝が前記光源に対応する部分に形成された溝付
透明板とを具備したことを特徴とするバツクライ
ト。 (2) 透過型の液晶デイスプレイの背面側から均
一な拡散光を照射するバツクライトにおいて、光
源光を発する光源と、前記光源光を拡散して液晶
デイスプレイを背面から照射する拡散板と、この
拡散板に入射しなかつた光源光を拡散板に反射す
るライトガイドと、前記光源と拡散板との間に介
在されており、入射した光源光を屈折させるフレ
ネルレンズが前記光源に対応する部分に形成され
たフレネルレンズ板とを具備したことを特徴とす
るバツクライト。[Claims for Utility Model Registration] (1) A backlight that emits uniform diffused light from the back side of a transmissive liquid crystal display, which includes a light source that emits light source light, and a light source that diffuses the light source light to illuminate the liquid crystal display from the back side. a light guide that reflects the light source light that did not enter the diffuser plate; and a plurality of grooves that are interposed between the light source and the diffuser plate and that refract the incident light source light. A back light comprising: a grooved transparent plate formed in a portion corresponding to the light source. (2) A backlight that irradiates uniform diffused light from the back side of a transmissive liquid crystal display includes a light source that emits light source light, a diffuser plate that diffuses the light source light and irradiates the liquid crystal display from the back side, and this diffuser plate. A light guide that reflects the light source light that has not entered the light source onto the diffuser plate, and a Fresnel lens that is interposed between the light source and the diffuser plate and refracts the incident light source light is formed in a portion corresponding to the light source. A backlight characterized by being equipped with a Fresnel lens plate.
JP1988140341U 1988-10-26 1988-10-26 Backlight Expired - Lifetime JPH0734416Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988140341U JPH0734416Y2 (en) 1988-10-26 1988-10-26 Backlight

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988140341U JPH0734416Y2 (en) 1988-10-26 1988-10-26 Backlight

Publications (2)

Publication Number Publication Date
JPH0262417U true JPH0262417U (en) 1990-05-10
JPH0734416Y2 JPH0734416Y2 (en) 1995-08-02

Family

ID=31404418

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988140341U Expired - Lifetime JPH0734416Y2 (en) 1988-10-26 1988-10-26 Backlight

Country Status (1)

Country Link
JP (1) JPH0734416Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0481445U (en) * 1990-11-28 1992-07-15
EP0602555A2 (en) * 1992-12-16 1994-06-22 Siemens Aktiengesellschaft Diffusing plate made of opal-like semi transparent glassy material for backlighting LCD
JP2006127878A (en) * 2004-10-28 2006-05-18 Quanta Display Japan Inc Lighting system and liquid crystal display using it

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6329123U (en) * 1986-08-09 1988-02-25

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6329123U (en) * 1986-08-09 1988-02-25

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0481445U (en) * 1990-11-28 1992-07-15
EP0602555A2 (en) * 1992-12-16 1994-06-22 Siemens Aktiengesellschaft Diffusing plate made of opal-like semi transparent glassy material for backlighting LCD
EP0602555A3 (en) * 1992-12-16 1994-09-21 Siemens Ag Diffusing plate made of opal-like semi transparent glassy material for backlighting lcd.
JP2006127878A (en) * 2004-10-28 2006-05-18 Quanta Display Japan Inc Lighting system and liquid crystal display using it

Also Published As

Publication number Publication date
JPH0734416Y2 (en) 1995-08-02

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