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
Links
- 230000002093 peripheral Effects 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000000875 corresponding Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 12
- 230000003287 optical Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000003086 colorant Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002730 additional Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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 |