JPH03114834U - - Google Patents

Info

Publication number
JPH03114834U
JPH03114834U JP1990022607U JP2260790U JPH03114834U JP H03114834 U JPH03114834 U JP H03114834U JP 1990022607 U JP1990022607 U JP 1990022607U JP 2260790 U JP2260790 U JP 2260790U JP H03114834 U JPH03114834 U JP H03114834U
Authority
JP
Japan
Prior art keywords
total reflection
light output
height
recessed
transmission screen
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
JP1990022607U
Other languages
Japanese (ja)
Other versions
JP2513524Y2 (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 JP1990022607U priority Critical patent/JP2513524Y2/en
Publication of JPH03114834U publication Critical patent/JPH03114834U/ja
Application granted granted Critical
Publication of JP2513524Y2 publication Critical patent/JP2513524Y2/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図および第２図は本考案の一実施例を示す
透過型スクリーンの一部分の断面図およびスクリ
ーン本体に対する弾性スキージの接触状態図、第
３図および第４図は従来の透過型スクリーンの斜
視図およびその一部分の拡大断面図、第５図はブ
ラツクストライプの形成方法を示す図、第６図は
従来の透過型スクリーンにおけるスクリーン本体
に対する弾性スキージの接触状態図である。 １……スクリーン本体、２……レンチキユラー
レンズ、３……全反射面、４……光出射面、４ａ
……凹入面、４ｃ……全反射光出射面、５……ブ
ラツクストライプ、５ａ……不透明インク、１０
……弾性スキージ。 Figures 1 and 2 are a cross-sectional view of a part of a transmission screen showing an embodiment of the present invention, and a diagram of the contact state of an elastic squeegee with the screen body, and Figures 3 and 4 are perspective views of a conventional transmission screen. FIG. 5 is a diagram showing a method of forming a black stripe, and FIG. 6 is a diagram showing a contact state of an elastic squeegee with a screen body in a conventional transmission screen. 1... Screen body, 2... Lenticular lens, 3... Total reflection surface, 4... Light exit surface, 4a
... Concave surface, 4c ... Total reflection light exit surface, 5 ... Black stripe, 5a ... Opaque ink, 10
...Elastic squeegee.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 前面に、微細幅の直線状凸条からなる多数本の
レンチキユラーレンズを平行に形成してなり、前
記レンチキユラーレンズは、その両側面をそれぞ
れ全反射面とし頂面を光出射面とするとともに前
記光出射面の中央部を凹入させてこの凹入面の両
側の立上り面を前記全反射面で反射された光を出
射させる全反射光出射面とした形状とし、かつ各
レンチキユラーレンズ間に、前記全反射面の全高
さにわたつて不透明イングを充填したブラツクス
トライプを形成した透過型スクリーンにおいて、
前記レンチキユラーレンズの凹入面の最深部の底
面高さを、前記全反射面の高さより高くしたこと
を特徴とする透過型スクリーン。 A large number of lenticular lenses made of linear convex stripes with a fine width are formed in parallel on the front surface, and each of the lenticular lenses has both side surfaces as total reflection surfaces and the top surface as a light output surface. At the same time, the central part of the light output surface is recessed, and the rising surfaces on both sides of the recessed surface are shaped to be total reflection light output surfaces that output the light reflected by the total reflection surface, and each lenticule In a transmission screen in which a black stripe filled with an opaque layer is formed between the mirror lenses over the entire height of the total reflection surface,
A transmission screen characterized in that the height of the bottom surface of the deepest part of the concave surface of the lenticular lens is higher than the height of the total reflection surface.
JP1990022607U 1990-03-08 1990-03-08 Transparent screen Expired - Lifetime JP2513524Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990022607U JP2513524Y2 (en) 1990-03-08 1990-03-08 Transparent screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990022607U JP2513524Y2 (en) 1990-03-08 1990-03-08 Transparent screen

Publications (2)

Publication Number Publication Date
JPH03114834U true JPH03114834U (en) 1991-11-26
JP2513524Y2 JP2513524Y2 (en) 1996-10-09

Family

ID=31525613

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990022607U Expired - Lifetime JP2513524Y2 (en) 1990-03-08 1990-03-08 Transparent screen

Country Status (1)

Country Link
JP (1) JP2513524Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005134823A (en) * 2003-10-31 2005-05-26 Arisawa Mfg Co Ltd Method for manufacturing microlens array sheet on screen for rear projection display

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63132228A (en) * 1986-09-18 1988-06-04 ノース・アメリカン・フィリップス・コンシューマー・エレクトロニクス・コーポレーション Rear projection screen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63132228A (en) * 1986-09-18 1988-06-04 ノース・アメリカン・フィリップス・コンシューマー・エレクトロニクス・コーポレーション Rear projection screen

Also Published As

Publication number Publication date
JP2513524Y2 (en) 1996-10-09

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Legal Events

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EXPY Cancellation because of completion of term