JP2007508589A - 周囲光の中で機能する投影受像面 - Google Patents
周囲光の中で機能する投影受像面 Download PDFInfo
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
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- G—PHYSICS
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- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/602—Lenticular screens
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
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Abstract
Description
高い周囲光の中で良質の投影形象を得るための上述の要件を、従来の技術を概略的に次の3つの類型に分けて、従来の技術に関して概説する。すなわち、従来の単体利得散漫散乱スクリーン、回折に基づくスクリーン、及び反射屈折構成(反射と屈折とを組み合わせる)又は完全反射形態のいずれかを有する拡張利得スクリーンに分ける。
観察者たちがスクリーンの前半球全体にわたって分布する必要のないいずれの場合においても、図1の曲線11によって示すような単体利得スクリーンは光効率的ではない。拡張利得スクリーンは、図1の曲線12(点線の曲線)、14(実線の曲線)、及び16(鎖線)によって示すように、より効率的である。これはより大きな光力を観察者の場所に向けて反射し、観察者たちが反射光を受ける場合でも観察者たちが容認できない画像歪曲に直面する場合には、周縁角に対してはより少ない光力を反射する。ここで利得8は、図1に示すように曲線11の上のあらゆる増加分として定義される。利得は一般に、スクリーン輝度の、投影光の等価レベルのためのランバート輝度に対する比である。Hongの米国特許第4606609号(1986)、Bradley,Jr.らの同第4767186号(1988)、及びVan De Venの同第4911529号(1990)などのレンズ・アレイは、すべて反射屈折スクリーン系の代表的なものとしてさまざまなガラス・ビーズ構成を備え、並びに拡張利得反射性スクリーンの代表的なものとして銀網状表面を備え、これらは図1の曲線12及び14によって特徴付けられる。ガラス・ビーズ・スクリーンは市場では比較的一般的である。これらは、さまざまな形の裏当て材料組成及び形態(形状)を有する。ガラス・ビーズ・スクリーンによって達成可能な利得は、活動面充填密度を可能にする場合の球の固有限界によって制限される。3に達するメトリック値を有する利得は、このような利得が稀であっても達成可能である。別の反射屈折スクリーンはより高い利得を示すことができるが、一般にしばしば望まれる図1の曲線16のプロフィールを有していない。ガラス・ビーズ・スクリーンによるように、他の反射屈折スクリーンは、高いコントラスト比を保存するために必要なものとしての広帯域スペクトル動作や画像の暗さの維持などの、追加の事項の面で適当ではない。
Claims (29)
- 複数の懸垂面状ミラーレットの形に形成された単一のシート
を含む投影受像面。 - 複数の懸垂面状ミラーレットの形に形成された、第1側と第2側とを有する単一のシートと、
前記単一のシートの前記第1側と第2側の1つに取り付けられた固体充填物と
を含む投影受像面。 - 複数の離隔した尖点付きレッジを有するツールであって、前記尖点付きレッジは選択的に寸法が可変であるツールを準備するステップと、
柔軟で変形可能なシートを前記尖点付きレッジに取り付けるステップと、
前記柔軟で変形可能なシートに力を加えて、前記シートを前記尖点付きレッジの間の空間中で変形するステップと
を含むスクリーンを製造する方法。 - 前記柔軟で変形可能なシートの上に固体充填物を注ぐステップ
をさらに含む請求項3に記載の方法。 - 前記の取り付けるステップが、
接着剤を前記尖点付きレッジに塗ることと、
前記柔軟で変形可能なシートを前記接着剤の上に配設することと
を含む請求項3に記載の方法。 - 前記の力を加えるステップが可変力を加えることを含んでもよく、前記力を空気圧流体及び液圧流体の1つを使用して加えてもよい請求項3に記載の方法。
- 前記尖点付きレッジが、次の群、すなわち正方形、長方形、三角形、六角形、五角形、円、楕円、及び分割セルの群の1つから選択された外辺形状を画定してもよい請求項3に記載の方法。
- 一連の連続セルのためにセル・パターンを選択するステップと、
各セルのためにセル圧力を選択するステップと
を含む投影受像面を設計する方法。 - 各セルのために尖点付きレッジの厚さを選択するステップをさらに含む請求項8に記載の投影受像面を設計する方法。
- 結果的に100:1以上の偏光比になる複数のミラーレットを有する投影受像面。
- 結果的に250:1以上の偏光比になる複数のミラーレットを有する投影受像面。
- 結果的に500:1以上の偏光比になる複数のミラーレットを有する投影受像面。
- 平方フィート(0.093m2)当り少なくとも90,000個のセルを有する投影受像面。
- 平方フィート(0.093m2)当り少なくとも576個のセルを有する投影受像面。
- 複数のセルを有するツールであって、各セルは幅と縁部厚さを有し、前記縁部厚さはセル幅の0.01〜0.001の間のもの未満であるツール。
- ミラーレット・セルのアレイを含む投影受像面であって、前記ミラーレット・セルの区域と縁部は所定のプロフィールにおける一定の曲率の中にある投影受像面。
- 視野体の縁部において度当り99%の角カットオフ率を有する投影受像面。
- 視野体の縁部において度当り10%〜99%の間の角カットオフ率を有する投影受像面。
- ステラジアン当り0.05からステラジアン当り0.01までの範囲にある観察者視野体内散乱比を有する投影受像面。
- 直射日光において0.5以上にわたるグレイスケール直線性測定基準を有する投影受像面。
- 間接日光において0.75以上にわたるグレイスケール直線性測定基準を有する投影受像面。
- 抑えられた部屋光において0.9以上にわたるグレイスケール直線性測定基準を有する投影受像面。
- 暗い劇場において0.98以上にわたるグレイスケール直線性測定基準を有する投影受像面。
- 暗い環境において10%以下の彩度低減を有する投影受像面。
- 彩度を直接オフアクシス日光において25%以内に維持し、彩度を暗い部屋において2%以内に維持する投影受像面。
- 暗い部屋においてゼロ空間周波数から1逆スクリーン・セルの空間周波数までの画像空間を通じて0.05以内に比較的平坦で、照明された部屋において0.15まで平坦である平均変調伝達関数を達成する投影受像面。
- 変形可能なシートと、
前記変形可能シートと接触しているツールと、
前記変形可能シートと連絡して前記シートを前記ツールに対して変形させる促進力と
を含む潜在的可変視野を有する表面。 - 複数の懸垂面ミラーレットの中に形成されて10%以上である角カットオフ率を達成し、第1側と第2側とを有する単一シートと、
前記第1側と前記第2側のいずれか1つの上のコーティングと
を含む、赤外光画像と紫外光画像とを反射する広スペクトル投影受像面。 - 複数の懸垂面ミラーレットの中に形成されて10%以上である角カットオフ率を達成し、第1側と第2側とを有する単一シートと、
前記第1側と前記第2側のいずれか1つの上のコーティングと
を含む、同じスポットの上に投影された複数の画像を異なる視野に反射することができる投影受像面。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US50997303P | 2003-10-09 | 2003-10-09 | |
US60/509,973 | 2003-10-09 | ||
PCT/US2004/033485 WO2005036250A2 (en) | 2003-10-09 | 2004-10-07 | Projection-receiving surface that functions in ambient light |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2007508589A true JP2007508589A (ja) | 2007-04-05 |
JP2007508589A5 JP2007508589A5 (ja) | 2007-11-29 |
JP2007508589A6 JP2007508589A6 (ja) | 2010-02-25 |
Family
ID=34435043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006534452A Pending JP2007508589A (ja) | 2003-10-09 | 2004-10-08 | 周囲光の中で機能する投影受像面 |
Country Status (6)
Country | Link |
---|---|
US (2) | US7239445B2 (ja) |
EP (1) | EP1692566A4 (ja) |
JP (1) | JP2007508589A (ja) |
KR (1) | KR20060113919A (ja) |
CN (1) | CN101124515B (ja) |
WO (1) | WO2005036250A2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009015195A (ja) * | 2007-07-09 | 2009-01-22 | Seiko Epson Corp | 反射スクリーン |
JP2011511310A (ja) * | 2008-01-28 | 2011-04-07 | リアルディー インコーポレイテッド | 偏光保存正面投影型スクリーン |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7239445B2 (en) * | 2003-10-09 | 2007-07-03 | Merlin Technology Limited Liability Company | Projection-receiving surface that functions in ambient light |
US7274508B2 (en) * | 2004-10-15 | 2007-09-25 | Hewlett-Packard Development Company, L.P. | Reflective projection screen with angled sidewalls |
WO2006136353A1 (en) * | 2005-06-21 | 2006-12-28 | Carl Zeiss Smt Ag | A double-facetted illumination system with attenuator elements on the pupil facet mirror |
US7864420B2 (en) * | 2007-07-20 | 2011-01-04 | Seiko Epson Corporation | Screen |
US7974005B2 (en) * | 2007-12-12 | 2011-07-05 | Texas Instruments Incorporated | Display screen for use in front projectors |
US8434871B2 (en) * | 2008-01-07 | 2013-05-07 | The Salk Institute For Biological Studies | Projection screens for three dimensional images |
US8267526B2 (en) | 2008-06-17 | 2012-09-18 | The Invention Science Fund I, Llc | Methods associated with receiving and transmitting information related to projection |
US8608321B2 (en) | 2008-06-17 | 2013-12-17 | The Invention Science Fund I, Llc | Systems and methods for projecting in response to conformation |
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Also Published As
Publication number | Publication date |
---|---|
US20070195407A1 (en) | 2007-08-23 |
EP1692566A2 (en) | 2006-08-23 |
WO2005036250A2 (en) | 2005-04-21 |
US20050128583A1 (en) | 2005-06-16 |
EP1692566A4 (en) | 2009-02-25 |
US7548369B2 (en) | 2009-06-16 |
KR20060113919A (ko) | 2006-11-03 |
CN101124515B (zh) | 2010-05-26 |
WO2005036250A3 (en) | 2006-12-28 |
US7239445B2 (en) | 2007-07-03 |
CN101124515A (zh) | 2008-02-13 |
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