JPS6438634U - - Google Patents

Info

Publication number
JPS6438634U
JPS6438634U JP1987134854U JP13485487U JPS6438634U JP S6438634 U JPS6438634 U JP S6438634U JP 1987134854 U JP1987134854 U JP 1987134854U JP 13485487 U JP13485487 U JP 13485487U JP S6438634 U JPS6438634 U JP S6438634U
Authority
JP
Japan
Prior art keywords
green
red
rear projection
full
projection 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
JP1987134854U
Other languages
Japanese (ja)
Other versions
JPH0521073Y2 (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 JP1987134854U priority Critical patent/JPH0521073Y2/ja
Publication of JPS6438634U publication Critical patent/JPS6438634U/ja
Application granted granted Critical
Publication of JPH0521073Y2 publication Critical patent/JPH0521073Y2/ja
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図はこの考案の一実施例を示す背面投影ス
クリーンの一部分の断面図、第2図〜第4図はそ
れぞれこの考案の他の実施例を示す背面投影スク
リーンの一部分の断面図、第5図は背面投影型投
影装置の原理図、第6図は従来の背面投影スクリ
ーンを示す第5図A部における拡大断面図である
。 10……スクリーン本体、11……光屈折面、
12……プリズム面、12a……平坦面、12b
,12c……立上り面、13……光拡散層、14
……ブラツクストライプ、15……レンチキユラ
ーレンズ面、15a……レンズ面。
FIG. 1 is a sectional view of a part of a rear projection screen showing one embodiment of this invention, FIGS. 2 to 4 are sectional views of a part of a rear projection screen showing other embodiments of this invention, and FIG. This figure is a principle diagram of a rear projection type projector, and FIG. 6 is an enlarged sectional view of section A in FIG. 5 showing a conventional rear projection screen. 10...Screen body, 11...Light refractive surface,
12... Prism surface, 12a... Flat surface, 12b
, 12c... rising surface, 13... light diffusion layer, 14
...Black stripe, 15... Lenticular lens surface, 15a... Lens surface.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 背面側から投影される赤、緑、青の画素が交互
に並ぶフルカラー画像を前面側から観察させる背
面投影スクリーンであつて、スクリーンに投影さ
れるフルカラー画像の隣接する赤、緑、青の画素
光のうち両側の画素光を中央の画素光側に屈折さ
せて前記赤、緑、青の画素光を重ね合せる多数の
プリズム面が連続する光屈折面を形成したことを
特徴とする背面投影スクリーン。
This is a rear projection screen that allows a full-color image projected from the back side, in which red, green, and blue pixels are arranged alternately, to be observed from the front side, and the adjacent red, green, and blue pixel lights of the full-color image projected onto the screen. A rear projection screen characterized in that a plurality of prism surfaces forming a continuous light refracting surface refract pixel light on both sides toward the central pixel light side and superimpose the red, green, and blue pixel lights.
JP1987134854U 1987-09-03 1987-09-03 Expired - Lifetime JPH0521073Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987134854U JPH0521073Y2 (en) 1987-09-03 1987-09-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987134854U JPH0521073Y2 (en) 1987-09-03 1987-09-03

Publications (2)

Publication Number Publication Date
JPS6438634U true JPS6438634U (en) 1989-03-08
JPH0521073Y2 JPH0521073Y2 (en) 1993-05-31

Family

ID=31393973

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987134854U Expired - Lifetime JPH0521073Y2 (en) 1987-09-03 1987-09-03

Country Status (1)

Country Link
JP (1) JPH0521073Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7492447B2 (en) 2002-10-30 2009-02-17 Atago Co., Ltd. Refractometer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5794740A (en) * 1980-12-03 1982-06-12 Matsushita Electric Ind Co Ltd Transmission type screen
JPS58192033A (en) * 1982-05-07 1983-11-09 Hitachi Ltd Radiosensitive composition and pattern formation using it

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5794740A (en) * 1980-12-03 1982-06-12 Matsushita Electric Ind Co Ltd Transmission type screen
JPS58192033A (en) * 1982-05-07 1983-11-09 Hitachi Ltd Radiosensitive composition and pattern formation using it

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7492447B2 (en) 2002-10-30 2009-02-17 Atago Co., Ltd. Refractometer

Also Published As

Publication number Publication date
JPH0521073Y2 (en) 1993-05-31

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