JPH0329802U - - Google Patents

Info

Publication number
JPH0329802U
JPH0329802U JP1989088865U JP8886589U JPH0329802U JP H0329802 U JPH0329802 U JP H0329802U JP 1989088865 U JP1989088865 U JP 1989088865U JP 8886589 U JP8886589 U JP 8886589U JP H0329802 U JPH0329802 U JP H0329802U
Authority
JP
Japan
Prior art keywords
light
optical element
optical component
element sheets
planar optical
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.)
Pending
Application number
JP1989088865U
Other languages
English (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 JP1989088865U priority Critical patent/JPH0329802U/ja
Publication of JPH0329802U publication Critical patent/JPH0329802U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例を示す部分的な断面
図である。 １……フレネルレンズシート、２……レンチキ
ユラーレンズシート、３……前面板、４……光吸
収性粒状物、５……光吸収性糸状物。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ ２枚以上の光学素子シートを重ね合せてなる
    面状光学部品であつて、互いの光学素子シート間
    に、光の波長程度以上の空隙ができるように微細
    かつ少量の光吸収性粒状物を分布介在させたこと
    を特徴とする面状光学部品。 ２ ２枚以上の光学素子シートを重ね合せてなる
    面状光学部品であつて、互いの光学素子シート間
    に、光の波長程度以上の空隙ができるように微細
    径で少量の光吸収性粒状物を分布介在させたこと
    を特徴とする面状光学部品。
JP1989088865U 1989-07-28 1989-07-28 Pending JPH0329802U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989088865U JPH0329802U (ja) 1989-07-28 1989-07-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989088865U JPH0329802U (ja) 1989-07-28 1989-07-28

Publications (1)

Publication Number Publication Date
JPH0329802U true JPH0329802U (ja) 1991-03-25

Family

ID=31638458

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989088865U Pending JPH0329802U (ja) 1989-07-28 1989-07-28

Country Status (1)

Country Link
JP (1) JPH0329802U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005321629A (ja) * 2004-05-10 2005-11-17 Mitsubishi Electric Corp スクリーンユニット及びそれを用いた投射型映像表示装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005321629A (ja) * 2004-05-10 2005-11-17 Mitsubishi Electric Corp スクリーンユニット及びそれを用いた投射型映像表示装置

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