JPH0470644U - - Google Patents

Info

Publication number
JPH0470644U
JPH0470644U JP1990093072U JP9307290U JPH0470644U JP H0470644 U JPH0470644 U JP H0470644U JP 1990093072 U JP1990093072 U JP 1990093072U JP 9307290 U JP9307290 U JP 9307290U JP H0470644 U JPH0470644 U JP H0470644U
Authority
JP
Japan
Prior art keywords
projection screen
lens sheet
screen according
fresnel lens
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
JP1990093072U
Other languages
Japanese (ja)
Other versions
JP2569489Y2 (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 JP1990093072U priority Critical patent/JP2569489Y2/en
Publication of JPH0470644U publication Critical patent/JPH0470644U/ja
Application granted granted Critical
Publication of JP2569489Y2 publication Critical patent/JP2569489Y2/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 the drawing]

第１図は本考案の一実施例を示す部分的な斜視
図、第２図はその一部の拡大断面図、第３図はレ
ンズシートの拡大断面図、第４図および第５図は
本考案の他の例を示す部分拡大断面図である。 １……レンズシート、１０……透光性ストラン
ド、２……薄いフレネルレンズシート、２０……
合成樹脂フイルム、２１……フレネルレンズ、３
……透光板。 Fig. 1 is a partial perspective view showing one embodiment of the present invention, Fig. 2 is an enlarged sectional view of a part thereof, Fig. 3 is an enlarged sectional view of the lens sheet, and Figs. 4 and 5 are the main parts. FIG. 7 is a partially enlarged sectional view showing another example of the invention. 1...Lens sheet, 10...Translucent strand, 2...Thin Fresnel lens sheet, 20...
Synthetic resin film, 21...Fresnel lens, 3
...Translucent plate.

Claims (1)

【実用新案登録請求の範囲】 １ 透光性ストランドをシート状に配列したレン
ズシートを観察側に配し、この光源側に合成樹脂
フイルムにフレネルレンズを形成した薄いフレネ
ルレンズシートを配して組合せたことを特徴とす
る投写スクリーン。 ２ 薄いフレネルレンズシートとして、合成樹脂
フイルムに紫外線硬化型樹脂によるフレネルレン
ズを形成したものを用いたことを特徴とする請求
項第１項記載の投写スクリーン。 ３ レンズシートと薄いフレネルレンズシートを
透光板に沿わせたことを特徴とする請求項第１項
または第２項記載の投写スクリーン。 ４ レンズシートと薄いフレネルレンズシートを
２枚の透光板でサンドイツチしたことを特徴とす
る請求項第１項または第２項記載の投写スクリー
ン。 ５ 透光板が無機ガラスであることを特徴とする
請求項第３項または第４項記載の投写スクリーン
。 ６ 無機ガラスが強化ガラスであることを特徴と
する請求項第５項記載の投写スクリーン。 ７ 無機ガラスが反射防止処理されたガラスであ
ることを特徴とする請求項第５項または第６項記
載の投写スクリーン。[Scope of Claim for Utility Model Registration] 1. A combination of a lens sheet in which translucent strands are arranged in a sheet form, arranged on the observation side, and a thin Fresnel lens sheet, in which a Fresnel lens is formed on a synthetic resin film, arranged on the light source side. A projection screen characterized by: 2. The projection screen according to claim 1, wherein the thin Fresnel lens sheet is a synthetic resin film with a Fresnel lens formed from an ultraviolet curable resin. 3. The projection screen according to claim 1 or 2, characterized in that the lens sheet and the thin Fresnel lens sheet are arranged along a light-transmitting plate. 4. The projection screen according to claim 1 or 2, characterized in that the lens sheet and the thin Fresnel lens sheet are sandwiched between two transparent plates. 5. The projection screen according to claim 3 or 4, wherein the transparent plate is made of inorganic glass. 6. The projection screen according to claim 5, wherein the inorganic glass is tempered glass. 7. The projection screen according to claim 5 or 6, wherein the inorganic glass is anti-reflection treated glass.
JP1990093072U 1989-10-02 1990-09-04 Projection screen Expired - Lifetime JP2569489Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990093072U JP2569489Y2 (en) 1989-10-02 1990-09-04 Projection screen

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP11607989 1989-10-02
JP7177790 1990-07-05
JP2-71777 1990-07-05
JP1-116079 1990-07-05
JP1990093072U JP2569489Y2 (en) 1989-10-02 1990-09-04 Projection screen

Publications (2)

Publication Number Publication Date
JPH0470644U true JPH0470644U (en) 1992-06-23
JP2569489Y2 JP2569489Y2 (en) 1998-04-22

Family

ID=31950375

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990093072U Expired - Lifetime JP2569489Y2 (en) 1989-10-02 1990-09-04 Projection screen

Country Status (1)

Country Link
JP (1) JP2569489Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007279398A (en) * 2006-04-06 2007-10-25 Sony Corp Rear projection type display device and transmission type screen

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59121648U (en) * 1983-02-07 1984-08-16 三菱レイヨン株式会社 Transparent screen
JPH01245235A (en) * 1988-03-28 1989-09-29 Mitsubishi Rayon Co Ltd Transmission screen and its production

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59121648U (en) * 1983-02-07 1984-08-16 三菱レイヨン株式会社 Transparent screen
JPH01245235A (en) * 1988-03-28 1989-09-29 Mitsubishi Rayon Co Ltd Transmission screen and its production

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007279398A (en) * 2006-04-06 2007-10-25 Sony Corp Rear projection type display device and transmission type screen

Also Published As

Publication number Publication date
JP2569489Y2 (en) 1998-04-22

Similar Documents

Publication Publication Date Title
JPH0470644U (en)
TW360813B (en) Light diffusing materials
JPS63115186U (en)
JPH0333472U (en)
JPS62154422U (en)
GB713737A (en) Improvements in or relating to illumination devices
JPH0367387U (en)
JPS6423042U (en)
JPH0473198U (en)
JPH03109205U (en)
JPH01155037U (en)
JPH035189U (en)
JPH0380488U (en)
JPH0233082U (en)
JPS63165638U (en)
JPH0236884U (en)
JPS61130981U (en)
JPH0162331U (en)
JPH0273606U (en)
JPS6345548U (en)
JPS6429685U (en)
JPS6355301U (en)
JPH0283581U (en)
JPH0337437U (en)
JPS63161893U (en)

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term