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JPS60150585U - Lighting device for LCD display - Google Patents

Lighting device for LCD display

Info

Publication number
JPS60150585U
JPS60150585U JP3564284U JP3564284U JPS60150585U JP S60150585 U JPS60150585 U JP S60150585U JP 3564284 U JP3564284 U JP 3564284U JP 3564284 U JP3564284 U JP 3564284U JP S60150585 U JPS60150585 U JP S60150585U
Authority
JP
Japan
Prior art keywords
lighting device
guide plate
emitting diode
light emitting
light guide
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
JP3564284U
Other languages
Japanese (ja)
Inventor
喜島　誠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nidec Precision Corp
Original Assignee
Nidec Copal Corp
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 Nidec Copal Corp filed Critical Nidec Copal Corp
Priority to JP3564284U priority Critical patent/JPS60150585U/en
Publication of JPS60150585U publication Critical patent/JPS60150585U/en
Pending legal-status Critical Current

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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 the drawing]

第１図は第１の従来例を示す斜視図、第２図はＬＥＤの
配光曲線を示す説明図、第３図および第４図は第２の従
来例に係る斜視図および要部断面図、第５図及び第６図
は本考案の１実施例による照明装置に係り、第５図は分
解斜視図、第６図は　　　　゛凹部とＬＥＤとの関係を
示す説明図、第７図は第６図との対比のために凹部を大
きぐした場合の説明図である。 ２・・・・・・発光ダイオード（ＬＥＤ）、６・・・・
・・液晶表示装置、７・・・・・・導光板、７ａ・・・
・・・テーパ一部、７ｂ・・・・・・乱反射部、７ｃ・
・・・・・凹部、８・・・・・・反射枠、８ａ・・・・
・・テーパ一部、８ｂ・・・・・・側壁部、９・・・・
・・基板。 ＩＣｌ　　２　　　邊 ＩＣ，）−ｇFIG. 1 is a perspective view showing a first conventional example, FIG. 2 is an explanatory diagram showing a light distribution curve of an LED, and FIGS. 3 and 4 are a perspective view and a sectional view of a main part of a second conventional example. , FIG. 5 and FIG. 6 relate to a lighting device according to an embodiment of the present invention, FIG. 5 is an exploded perspective view, FIG. 6 is an explanatory diagram showing the relationship between the recess and the LED, and FIG. FIG. 6 is an explanatory diagram in which the recessed portion is enlarged for comparison with FIG. 6; 2... Light emitting diode (LED), 6...
...Liquid crystal display device, 7...Light guide plate, 7a...
...Taper part, 7b... Diffuse reflection part, 7c.
...Recessed portion, 8...Reflection frame, 8a...
...Taper part, 8b...Side wall part, 9...
··substrate. ICl 2 IC,)-g

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）　　透過型の液晶表示装置の裏面に配置された導
光板と、該導光板の端面側に配置された発光ダイオード
と、導光板の裏面に配置された反射枠とを備え、前記導
光板は発光ダイオードの配置側から漸次薄肉とされたテ
ーパ一部と、その表面および／または裏面に粗面化され
てなる乱反射部とをもち、且つ、前記発光ダイオードは
導光板の端面に穿設した凹部に収納されていることを特
徴とする液晶表示装置の照明装置。(1) A light guide plate disposed on the back surface of a transmissive liquid crystal display device, a light emitting diode disposed on the end surface side of the light guide plate, and a reflective frame disposed on the back surface of the light guide plate, and the light guide plate has a tapered part that is gradually thinned from the side where the light emitting diode is arranged, and a diffused reflection part that is roughened on the front and/or back surface thereof, and the light emitting diode is bored in the end surface of the light guide plate. A lighting device for a liquid crystal display device, characterized in that the lighting device is housed in a recess. （２）前記凹部は、発光ダイオードの照射側が曲面とな
っていることを特徴とする実用新案登録請求の範面第（
１）項記載の液晶表示用の照明装置。(2) The recessed portion has a curved surface on the irradiation side of the light emitting diode.
1) A lighting device for a liquid crystal display according to item 1). （３）　　前記凹部の最大深さは、発光ダ′イオードの
チップ高きの２倍以下であることを特徴とする実用新案
登録請求の範囲第（２）項記載の液晶表示用の照明装置
。(3) The lighting device for a liquid crystal display according to claim (2), wherein the maximum depth of the recess is not more than twice the chip height of the light emitting diode.
JP3564284U 1984-03-13 1984-03-13 Lighting device for LCD display Pending JPS60150585U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3564284U JPS60150585U (en) 1984-03-13 1984-03-13 Lighting device for LCD display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3564284U JPS60150585U (en) 1984-03-13 1984-03-13 Lighting device for LCD display

Publications (1)

Publication Number Publication Date
JPS60150585U true JPS60150585U (en) 1985-10-05

Family

ID=30540108

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3564284U Pending JPS60150585U (en) 1984-03-13 1984-03-13 Lighting device for LCD display

Country Status (1)

Country Link
JP (1) JPS60150585U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0443388A (en) * 1990-06-11 1992-02-13 Fujitsu Ltd Structure and assembling method for lighting type liquid crystal display
EP0725300A2 (en) 1995-01-31 1996-08-07 Minolta Co., Ltd. A display device with a display member illuminator, an appliance provided with a display device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5937584A (en) * 1982-08-26 1984-03-01 スタンレー電気株式会社 Light guide plate for display devices

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5937584A (en) * 1982-08-26 1984-03-01 スタンレー電気株式会社 Light guide plate for display devices

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0443388A (en) * 1990-06-11 1992-02-13 Fujitsu Ltd Structure and assembling method for lighting type liquid crystal display
EP0725300A2 (en) 1995-01-31 1996-08-07 Minolta Co., Ltd. A display device with a display member illuminator, an appliance provided with a display device
US6285420B1 (en) 1995-01-31 2001-09-04 Minolta Co., Ltd. Edge illuminated display device with light guiding member

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