JP2012509509A5 - - Google Patents
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- JP2012509509A5 JP2012509509A5 JP2011537537A JP2011537537A JP2012509509A5 JP 2012509509 A5 JP2012509509 A5 JP 2012509509A5 JP 2011537537 A JP2011537537 A JP 2011537537A JP 2011537537 A JP2011537537 A JP 2011537537A JP 2012509509 A5 JP2012509509 A5 JP 2012509509A5
- Authority
- JP
- Japan
- Prior art keywords
- film
- axis
- light
- reflective film
- wavelength band
- 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.)
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- 238000002310 reflectometry Methods 0.000 claims 4
- 230000005540 biological transmission Effects 0.000 claims 2
- 230000003287 optical Effects 0.000 claims 2
- 238000001429 visible spectrum Methods 0.000 claims 2
- 238000005286 illumination Methods 0.000 claims 1
- 238000004064 recycling Methods 0.000 claims 1
Claims (10)
- 実質的に平坦な外側表面を有する反射性フィルムであって、
拡張された波長帯域にわたって光を反射するために、光学的反復単位で配置された複数のマイクロ層であって、隣接するマイクロ層はx軸に沿って実質的な面内屈折率不整合Δnx及びy軸に沿ってΔnyを呈し、それによって前記拡張された波長帯域にわたって垂直入射光に関し、前記フィルムが前記x軸に沿って偏光されたそのような光に関して反射率Rnormalx、及び前記y軸に沿って偏光されたそのような光に関して反射率Rnormalyを有し、Rnormalx及びRnormalyは両方とも少なくとも75%である、複数のマイクロ層を含み、
隣接するマイクロ層はまた、面外z軸に沿って実質的な屈折率不整合Δnzを呈し、それによって第1入射面にて前記フィルムに入射する前記拡張された波長帯域の光に関し、前記フィルムはp偏光であり、かつ斜角θの入射のこのような光に関してRnormalminの半分以下の反射率R1を有し、RnormalminはRnormalx及びRnormalyの小さい方であり、
Δnx及びΔnyは、前記第1面と垂直な第2入射面にて前記フィルムに入射する前記拡張された波長帯域の光に関し、前記フィルムは、全ての入射角に関し、p偏光であるこのような光に関して少なくとも75%の反射率R2を有するように十分に異なる、反射性フィルム。 - 前記拡張された波長帯域が、400〜700nmの可視スペクトルを含み、前記反射率Rnormalx、Rnormaly、Rnormalmin、R1及びR2は、それぞれ可視スペクトルにわたって平均値である、請求項1に記載のフィルム。
- 前記フィルムは、2つの透過率ローブによって特徴付けられる、前記拡張された波長帯域の光に関する角度の関数としての透過率を呈し、各ローブは、極角θにおける角度幅Δφe及び方位角φにおける角度幅Δφeを有する、請求項1に記載のフィルム。
- 前記光学的反復単位のそれぞれが、負の複屈折材料で構成される第1マイクロ層及び正の複屈折材料で構成される第2マイクロ層を含む、請求項1に記載のフィルム。
- 請求項1に記載の反射性フィルムを含む、照明システム。
- 前記反射性フィルムと共に、リサイクリングキャビティを形成するために配された後方反射体を更に含む、請求項5に記載のシステム。
- 長さ方向の軸に沿って延び、前記反射性フィルムの後ろに配置される光源を更に含み、
前記反射性フィルムは、前記長さ方向の軸が前記第1入射面と実質的に垂直であるように配置される、請求項5に記載のシステム。 - ディフューザーと組み合わせた、請求項1に記載の反射性フィルム。
- 前記反射性フィルムが、空隙を介在させることなく前記ディフューザーに取り付けられる、請求項8に記載の組み合わせ体。
- 前記フィルムに連結された線形プリズム状フィルムと組み合わされ、前記プリズムはプリズム軸と平行に延び、前記プリズム状フィルムの前記プリズム軸は前記反射性フィルムの前記第1入射面と実質的に垂直である、請求項1に記載の反射性フィルム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11629108P | 2008-11-19 | 2008-11-19 | |
US61/116,291 | 2008-11-19 | ||
PCT/US2009/064616 WO2010059566A1 (en) | 2008-11-19 | 2009-11-16 | Multilayer optical film with output confinement in both polar and azimuthal directions and related constructions |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2012509509A JP2012509509A (ja) | 2012-04-19 |
JP2012509509A5 true JP2012509509A5 (ja) | 2013-01-10 |
JP5662332B2 JP5662332B2 (ja) | 2015-01-28 |
Family
ID=41510645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011537537A Expired - Fee Related JP5662332B2 (ja) | 2008-11-19 | 2009-11-16 | 極方向及び方位方向の両方における出力制限を有する多層光学フィルム並びに関連する構成 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8988776B2 (ja) |
EP (1) | EP2366122B1 (ja) |
JP (1) | JP5662332B2 (ja) |
KR (1) | KR101696492B1 (ja) |
CN (1) | CN102265195B (ja) |
PL (1) | PL2366122T3 (ja) |
WO (1) | WO2010059566A1 (ja) |
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-
2009
- 2009-11-16 CN CN200980152079.7A patent/CN102265195B/zh not_active Expired - Fee Related
- 2009-11-16 US US13/129,455 patent/US8988776B2/en not_active Expired - Fee Related
- 2009-11-16 EP EP09761086.9A patent/EP2366122B1/en not_active Not-in-force
- 2009-11-16 JP JP2011537537A patent/JP5662332B2/ja not_active Expired - Fee Related
- 2009-11-16 PL PL09761086T patent/PL2366122T3/pl unknown
- 2009-11-16 WO PCT/US2009/064616 patent/WO2010059566A1/en active Application Filing
- 2009-11-16 KR KR1020117013672A patent/KR101696492B1/ko active IP Right Grant
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