JPH0457877U - - Google Patents

Info

Publication number
JPH0457877U
JPH0457877U JP10153490U JP10153490U JPH0457877U JP H0457877 U JPH0457877 U JP H0457877U JP 10153490 U JP10153490 U JP 10153490U JP 10153490 U JP10153490 U JP 10153490U JP H0457877 U JPH0457877 U JP H0457877U
Authority
JP
Japan
Prior art keywords
transparent plastic
plastic plate
light guide
piece
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.)
Granted
Application number
JP10153490U
Other languages
Japanese (ja)
Other versions
JP2518817Y2 (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 JP1990101534U priority Critical patent/JP2518817Y2/en
Publication of JPH0457877U publication Critical patent/JPH0457877U/ja
Application granted granted Critical
Publication of JP2518817Y2 publication Critical patent/JP2518817Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Light Guides In General And Applications Therefor (AREA)
  • 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図は本考案の実施例を示す正面図、第２図
は同断面図である。第３図ａ〜ｉは輝度測定に使
用した種々の導光板のパターンを示す説明図、第
４図は同従来例での説明図ではプラスチツク板
を２枚積層させたもの、はプラスチツク板の厚
さを２倍にしたものをそれぞれ示す。尚、第３図
及び第４図については、拡散膜・反射膜等は省略
し、プラスチツク板及び集光片のみを示してある
。 １……導光板本体、３……透明プラスチツク板
、８……光源、１１……集光片、Ｈ……使用部分
。 FIG. 1 is a front view showing an embodiment of the present invention, and FIG. 2 is a sectional view thereof. Figures 3 a to i are explanatory diagrams showing various light guide plate patterns used for brightness measurement, and Figure 4 is an explanatory diagram showing the same conventional example, in which two plastic plates are laminated. Each figure is shown with its size doubled. Incidentally, in FIGS. 3 and 4, the diffusion film, reflection film, etc. are omitted, and only the plastic plate and the light condensing piece are shown. DESCRIPTION OF SYMBOLS 1... Light guide plate main body, 3... Transparent plastic plate, 8... Light source, 11... Light condensing piece, H... Used part.

Claims (1)

【実用新案登録請求の範囲】 (1) 拡散膜２、透明プラスチツク板３、及び反
射膜４が順次積層され、透明プラスチツク板３と
反射膜４の合せ面に印刷インク等で拡散処理パタ
ーン化が施されている導光板において、 前記透明プラスチツク板３の中心部９に向つて
、傾斜面１０を有する短小の集光片１１が設けら
れていることを特徴とする導光板。 (2) 前記透明プラスチツク板３の長さをｌとし
たときの集光片１１の長さＡがｌ／２０〜ｌ／５
である請求項(1)に記載の導光板。 (3) 前記集光片１１の傾斜角θが１０°〜４５
°である請求項(1)，(2)の何れかに記載の導光板
。 (4) 前記透明プラスチツク板３の厚さをｔとし
たときの集光片１１の厚さＢが２ｔ未満である請
求項(1)，(2)，(3)の何れかに記載の導光板。[Claims for Utility Model Registration] (1) A diffusion film 2, a transparent plastic plate 3, and a reflective film 4 are sequentially laminated, and the mating surfaces of the transparent plastic plate 3 and reflective film 4 are patterned using printing ink or the like. A light guide plate according to the present invention, characterized in that a short and small condensing piece 11 having an inclined surface 10 is provided toward the center 9 of the transparent plastic plate 3. (2) When the length of the transparent plastic plate 3 is l, the length A of the condenser piece 11 is l/20 to l/5.
The light guide plate according to claim (1). (3) The inclination angle θ of the light condensing piece 11 is 10° to 45°.
The light guide plate according to any one of claims (1) and (2), which is .degree. (4) The light guide according to any one of claims (1), (2), and (3), wherein the thickness B of the condensing piece 11 is less than 2t when the thickness of the transparent plastic plate 3 is t. light board
JP1990101534U 1990-09-26 1990-09-26 Light guide plate Expired - Lifetime JP2518817Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990101534U JP2518817Y2 (en) 1990-09-26 1990-09-26 Light guide plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990101534U JP2518817Y2 (en) 1990-09-26 1990-09-26 Light guide plate

Publications (2)

Publication Number Publication Date
JPH0457877U true JPH0457877U (en) 1992-05-18
JP2518817Y2 JP2518817Y2 (en) 1996-11-27

Family

ID=31845071

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990101534U Expired - Lifetime JP2518817Y2 (en) 1990-09-26 1990-09-26 Light guide plate

Country Status (1)

Country Link
JP (1) JP2518817Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010123569A (en) * 2008-11-17 2010-06-03 Samsung Electronics Co Ltd Backlight assembly using flexible light guide film and liquid crystal display module including the same
JP2017516283A (en) * 2014-05-16 2017-06-15 コーニング インコーポレイテッド Edge light type backlight unit for liquid crystal display

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57146286A (en) * 1981-03-04 1982-09-09 Mitsubishi Electric Corp Lighting apparatus
JPS62144193A (en) * 1985-12-18 1987-06-27 セイコーエプソン株式会社 Illumination construction of liquid crystal tv apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57146286A (en) * 1981-03-04 1982-09-09 Mitsubishi Electric Corp Lighting apparatus
JPS62144193A (en) * 1985-12-18 1987-06-27 セイコーエプソン株式会社 Illumination construction of liquid crystal tv apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010123569A (en) * 2008-11-17 2010-06-03 Samsung Electronics Co Ltd Backlight assembly using flexible light guide film and liquid crystal display module including the same
JP2017516283A (en) * 2014-05-16 2017-06-15 コーニング インコーポレイテッド Edge light type backlight unit for liquid crystal display
JP2022008452A (en) * 2014-05-16 2022-01-13 コーニング インコーポレイテッド Edge light type backlight unit for liquid crystal display device

Also Published As

Publication number Publication date
JP2518817Y2 (en) 1996-11-27

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