JPS60193501U - Diffusion filter - Google Patents

Diffusion filter

Info

Publication number
JPS60193501U
JPS60193501U JP8179784U JP8179784U JPS60193501U JP S60193501 U JPS60193501 U JP S60193501U JP 8179784 U JP8179784 U JP 8179784U JP 8179784 U JP8179784 U JP 8179784U JP S60193501 U JPS60193501 U JP S60193501U
Authority
JP
Japan
Prior art keywords
light
diffusion
diffusion filter
filter
sheet
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
JP8179784U
Other languages
Japanese (ja)
Other versions
JPH052881Y2 (en
Inventor
実 西田
下山田　正博
孝二 黒田
Original Assignee
大日本印刷株式会社
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 大日本印刷株式会社 filed Critical 大日本印刷株式会社
Priority to JP8179784U priority Critical patent/JPS60193501U/en
Publication of JPS60193501U publication Critical patent/JPS60193501U/en
Application granted granted Critical
Publication of JPH052881Y2 publication Critical patent/JPH052881Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Elements Other Than Lenses (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

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) [Abstract] 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、本考案の拡散フィルターの一例を示す正面図
である。第２図は、本考案の拡散フィルターの作用を説
明する、拡大断面図である。 １・・・・・・拡散フィルター、１１・・・・・・画素
、１２・・・・・・遮光材、２・・・・・・発光源。FIG. 1 is a front view showing an example of the diffusion filter of the present invention. FIG. 2 is an enlarged sectional view illustrating the function of the diffusion filter of the present invention. 1... Diffusion filter, 11... Pixel, 12... Light shielding material, 2... Light source.

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）発光源２と組み合わせてマトリクスディスプレイ
を構成する拡散フィルター１であって、光拡散シートの
少なくとも一方の面に、多数の画素１１をマトリクス状
に形成するように遮光材１２を施してなり、 Ｗ≧Ｔ−ｔａｎ　　θ Ｗ：画素の幅 Ｔ：フィルターの厚さ θ：拡散透過光の透過辛が垂直透過光 の透過率の１７３となる拡散角度 の関係が成り立つように、Ｗ、Ｔおよびθをえらんだこ
とを特徴と拡散フィルター。(1) A diffusion filter 1 that constitutes a matrix display in combination with a light emitting source 2, in which a light shielding material 12 is applied to at least one surface of a light diffusion sheet so as to form a large number of pixels 11 in a matrix. , W≧T-tan θ W: Pixel width T: Filter thickness θ: W, T, and A diffusion filter characterized by the selection of θ. （２）　　光拡散シートが光拡散材を分散させたプラス
チックシートである実用新案登録請求の範囲第１項に記
載の拡散フィルター。(2) The diffusion filter according to claim 1, wherein the light diffusion sheet is a plastic sheet in which a light diffusion material is dispersed. （３）２色以上の発光源からの光混合を行なうマトリク
スディスプレイに用いる実用新案登録請求の範囲第１項
に記載の拡散フィルター。(3) The diffusion filter according to claim 1, which is used in a matrix display that mixes light from light sources of two or more colors.
JP8179784U 1984-06-01 1984-06-01 Diffusion filter Granted JPS60193501U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8179784U JPS60193501U (en) 1984-06-01 1984-06-01 Diffusion filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8179784U JPS60193501U (en) 1984-06-01 1984-06-01 Diffusion filter

Publications (2)

Publication Number Publication Date
JPS60193501U true JPS60193501U (en) 1985-12-23
JPH052881Y2 JPH052881Y2 (en) 1993-01-25

Family

ID=30628916

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8179784U Granted JPS60193501U (en) 1984-06-01 1984-06-01 Diffusion filter

Country Status (1)

Country Link
JP (1) JPS60193501U (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2502710B1 (en) 2011-03-22 2020-04-22 Black & Decker Inc. Chisels

Also Published As

Publication number Publication date
JPH052881Y2 (en) 1993-01-25

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