JPH0247638U - - Google Patents

Info

Publication number
JPH0247638U
JPH0247638U JP1988127025U JP12702588U JPH0247638U JP H0247638 U JPH0247638 U JP H0247638U JP 1988127025 U JP1988127025 U JP 1988127025U JP 12702588 U JP12702588 U JP 12702588U JP H0247638 U JPH0247638 U JP H0247638U
Authority
JP
Japan
Prior art keywords
screen
incident
light
mentioned
angle range
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
JP1988127025U
Other languages
Japanese (ja)
Other versions
JPH0648505Y2 (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 JP1988127025U priority Critical patent/JPH0648505Y2/en
Publication of JPH0247638U publication Critical patent/JPH0247638U/ja
Application granted granted Critical
Publication of JPH0648505Y2 publication Critical patent/JPH0648505Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図Ａ，Ｂは本考案の原理を説明する平面図
、第２図Ａ，Ｂは本考案の一実施例を示す平面図
、第３図は本考案の別の実施例を示す平面図、第
４図は第２図の積層体のヘーズ率の角度依存性を
示すグラフである。 符号の説明、１，４……本考案のスクリーン、
２，５……映写機、Ａ，Ｂ，Ｂ′……聴講者、観
衆、見学者、３……スクリーンの裏の物体、メツ
セージ、６……展示物。 Figures 1A and B are plan views explaining the principle of the invention, Figures 2A and B are plan views showing one embodiment of the invention, and Figure 3 is a plan view showing another embodiment of the invention. , FIG. 4 is a graph showing the angular dependence of the haze ratio of the laminate shown in FIG. Explanation of symbols, 1, 4...Screen of the present invention,
2, 5... Projector, A, B, B'... Audience, audience, visitors, 3... Object behind the screen, message, 6... Exhibit.

補正 平１．１．３１ 図面の簡単な説明を次のように補正する。 明細書第１１頁第９行の「第２図Ａ，Ｂ」を「
第２図」と訂正する。Amendment 1.1.31. The brief description of the drawing is amended as follows. "Figure 2 A, B" on page 11, line 9 of the specification is replaced with "
Figure 2” is corrected.

Claims (1)

【実用新案登録請求の範囲】 (1) フイルムに対して所定の角度範囲内にある
入射光のみを選択的に散乱し、それ以外の角度の
入射光は透過する光制御フイルムを透明板表面に
被着させ、または複数の透明板の間に介挿させた
積層体からなる光学スクリーン。 (2) 上記所定の角度範囲は、上記スクリーンに
立てた所定の仮想垂直面とスクリーンとの交わる
線の位置に、その線に対して垂直に入射する光に
ついて測つた入射角で表して０°〜３０°から０
°〜５０°の間にある実用新案登録請求の範囲第
１項記載の光学スクリーン。 (3) 上記所定の角度範囲は、上記スクリーンに
立てた所定の仮想垂直面とスクリーンとの交わる
線の位置に、その線に対して垂直に入射する光に
ついて測つた入射角で表して３０°〜９０°から
５０°〜９０°の間にある実用新案登録請求の範
囲第１項記載の光学スクリーン。[Claims for Utility Model Registration] (1) A light control film that selectively scatters only incident light within a predetermined angle range with respect to the film, and transmits incident light at other angles, is placed on the surface of a transparent plate. An optical screen consisting of a laminate that is adhered to or interposed between multiple transparent plates. (2) The above-mentioned predetermined angle range is expressed as an incident angle of 0° measured for light incident perpendicularly to the line where the predetermined virtual vertical plane erected on the above-mentioned screen and the screen intersect. ~30° to 0
The optical screen according to claim 1, which is within the range of 50° to 50°. (3) The above-mentioned predetermined angle range is 30° expressed as an incident angle measured for light incident perpendicularly to the line where the predetermined virtual vertical plane erected on the above-mentioned screen and the screen intersect. The optical screen according to claim 1, which is between 50° and 90°.
JP1988127025U 1988-09-28 1988-09-28 A device for projecting images Expired - Lifetime JPH0648505Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988127025U JPH0648505Y2 (en) 1988-09-28 1988-09-28 A device for projecting images

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988127025U JPH0648505Y2 (en) 1988-09-28 1988-09-28 A device for projecting images

Publications (2)

Publication Number Publication Date
JPH0247638U true JPH0247638U (en) 1990-03-30
JPH0648505Y2 JPH0648505Y2 (en) 1994-12-12

Family

ID=31379075

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988127025U Expired - Lifetime JPH0648505Y2 (en) 1988-09-28 1988-09-28 A device for projecting images

Country Status (1)

Country Link
JP (1) JPH0648505Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005316354A (en) * 2004-03-31 2005-11-10 Sumitomo Chemical Co Ltd Projection screen
JP2006084769A (en) * 2004-09-16 2006-03-30 Sumitomo Chemical Co Ltd Light control film laminate and projection screen using the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6476088A (en) * 1987-09-17 1989-03-22 Sumitomo Chemical Co Decoration method and decoration display

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6476088A (en) * 1987-09-17 1989-03-22 Sumitomo Chemical Co Decoration method and decoration display

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005316354A (en) * 2004-03-31 2005-11-10 Sumitomo Chemical Co Ltd Projection screen
JP2006084769A (en) * 2004-09-16 2006-03-30 Sumitomo Chemical Co Ltd Light control film laminate and projection screen using the same

Also Published As

Publication number Publication date
JPH0648505Y2 (en) 1994-12-12

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