JP2695422C - - Google Patents

Info

Publication number
JP2695422C
JP2695422C JP2695422C JP 2695422 C JP2695422 C JP 2695422C JP 2695422 C JP2695422 C JP 2695422C
Authority
JP
Japan
Prior art keywords
screen
surface lens
light
lens
exit surface
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.)
Expired - Lifetime
Application number
Other languages
English (en)
Japanese (ja)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Rayon Co Ltd
Original Assignee
Mitsubishi Rayon Co Ltd
Publication date

Links

Family

ID=

Similar Documents

Publication Publication Date Title
KR960015507B1 (ko) 배면투사형화상표시장치및배면투과형스크린
US5973848A (en) Retrofocus projection lens system and multivision projection display apparatus
US20070165192A1 (en) Reduced field angle projection display system
US6169633B1 (en) Lenticular lens sheet and transmission type screen using the same
TWI394982B (zh) 投影裝置與投影鏡頭
JP2006504120A (ja) リアプロジェクション表示装置
US8901472B2 (en) Image displaying apparatus including a projection optical system and a reflective image display element with plural micro-mirrors
JP2695422B2 (ja) 透過型スクリーン
JPH0743494B2 (ja) 画像投写装置
US9690179B2 (en) Illumination unit and image display device incorporating same
JPS63132228A (ja) リアプロジェクションスクリーン
US5066113A (en) Projecting lens
US7341353B2 (en) Variable fresnel screen for use in projection device
JP2007011154A (ja) スクリーン及びそれを用いた画像表示装置
JPH10239777A (ja) 背面投写型映像表示装置
US6900945B2 (en) Lenticular lens sheet
CN114690377B (zh) 一种光学投影系统以及电子设备
JP2656770B2 (ja) 透過型スクリーン
JPH06175019A (ja) 背面投射方式tv用投射レンズシステム
JPH0316002B2 (de)
CN114545611A (zh) 4k超短焦投影镜头
KR950011005B1 (ko) 투영광학장치
US20040061945A1 (en) Lens optimization and color correction for image projection systems
JP2695422C (de)
JP3085462B2 (ja) 透過形スクリーン