JPS60193501U - Diffusion filter - Google Patents
Diffusion filterInfo
- 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
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
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)
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.
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.
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.
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2502710B1 (en) | 2011-03-22 | 2020-04-22 | Black & Decker Inc. | Chisels |
-
1984
- 1984-06-01 JP JP8179784U patent/JPS60193501U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH052881Y2 (en) | 1993-01-25 |
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