JP5086815B2 - 表示デバイス - Google Patents
表示デバイス Download PDFInfo
- Publication number
- JP5086815B2 JP5086815B2 JP2008002594A JP2008002594A JP5086815B2 JP 5086815 B2 JP5086815 B2 JP 5086815B2 JP 2008002594 A JP2008002594 A JP 2008002594A JP 2008002594 A JP2008002594 A JP 2008002594A JP 5086815 B2 JP5086815 B2 JP 5086815B2
- Authority
- JP
- Japan
- Prior art keywords
- spectrum
- phase
- phase shifter
- polarizers
- incident light
- 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 - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/288—Filters employing polarising elements, e.g. Lyot or Solc filters
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/23—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour for the control of the colour
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3083—Birefringent or phase retarding elements
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/16—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 series; tandem
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2203/00—Function characteristic
- G02F2203/07—Polarisation dependent
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2203/00—Function characteristic
- G02F2203/34—Colour display without the use of colour mosaic filters
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2203/00—Function characteristic
- G02F2203/50—Phase-only modulation
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Polarising Elements (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Description
105 光学素子
110 偏光子
121 位相子
122 位相変調素子
150 光学ユニット
190 光源
500 光学システム
510 画像取得部
520 検出部
530 制御部
540 スペクトル情報格納部
Claims (4)
- 色フィルタと、
前記色フィルタへと入射する入射光を発光する光源と、
物体の画像を取得する画像取得部と、
オブジェクトに対応づけて、当該オブジェクトが示す物体からの光のスペクトルを格納するスペクトル情報格納部と、
前記画像取得部が取得した前記画像に含まれる前記物体を示すオブジェクトを検出する検出部と、
前記スペクトル情報格納部に格納された、前記検出部が検出した前記オブジェクトに応じたスペクトルに基づいて、前記色フィルタの分光透過率を制御する制御部と
を備え、
前記色フィルタは、
前記入射光の伝搬方向に沿って配列され、略同一方向の透過軸を有する複数の偏光子と、
前記複数の偏光子の間に設けられ、前記複数の偏光子の透過軸と所定の角をなす遅相軸を有する位相子と、
前記伝搬方向に沿って前記位相子に隣接して設けられ、前記位相子の遅相軸と略同一方向の遅相軸を有する位相変調素子と
を有し、
前記複数の偏光子、前記位相子、および前記位相変調素子により形成される光学素子は平面上に複数配列され、
前記制御部は、前記スペクトル情報格納部に格納された、前記検出部が検出した前記オブジェクトに応じたスペクトルに基づいて、当該スペクトルと略同一のスペクトルを形成する複数の部分スペクトルの光を互いに近傍に設けられた複数の前記光学素子がそれぞれ出射すべく、複数の前記光学素子のそれぞれが有する前記位相変調素子が前記入射光に与える位相差を調整する
表示デバイス。 - 前記位相子は、前記複数の偏光子の透過軸と略45度の角をなす遅相軸を有する
請求項1に記載の表示デバイス。 - 前記偏光子は、入射光の伝搬方向に沿って3以上配列されており、
前記位相子は、3以上の前記偏光子の間にそれぞれ設けられており、
前記位相変調素子は、前記伝搬方向に沿って複数の前記位相子にそれぞれ隣接して設けられる
請求項2に記載の表示デバイス。 - 前記位相子は、前記伝搬方向に沿って直前に配置された前記位相子が前記入射光に与える位相差の略倍の位相差を前記入射光に与える
請求項3に記載の表示デバイス。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008002594A JP5086815B2 (ja) | 2008-01-09 | 2008-01-09 | 表示デバイス |
US12/350,575 US8040585B2 (en) | 2008-01-09 | 2009-01-08 | Optical device and optical system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008002594A JP5086815B2 (ja) | 2008-01-09 | 2008-01-09 | 表示デバイス |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009163144A JP2009163144A (ja) | 2009-07-23 |
JP5086815B2 true JP5086815B2 (ja) | 2012-11-28 |
Family
ID=40898928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008002594A Expired - Fee Related JP5086815B2 (ja) | 2008-01-09 | 2008-01-09 | 表示デバイス |
Country Status (2)
Country | Link |
---|---|
US (1) | US8040585B2 (ja) |
JP (1) | JP5086815B2 (ja) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2971945B2 (ja) | 1989-10-30 | 1999-11-08 | ザ ユニバーシティ オブ コロラド ファウンデーション,インコーポレイテッド | 強誘電性液晶調整可能フィルタ及び色発生 |
JPH06331952A (ja) * | 1993-05-21 | 1994-12-02 | Olympus Optical Co Ltd | 光学装置 |
US5999240A (en) * | 1995-05-23 | 1999-12-07 | Colorlink, Inc. | Optical retarder stack pair for transforming input light into polarization states having saturated color spectra |
JP4143202B2 (ja) * | 1999-01-14 | 2008-09-03 | 龍男 内田 | ネマティック液晶を用いた波長可変カラーフィルタ |
US6760475B1 (en) * | 1999-10-13 | 2004-07-06 | Cambridge Research & Instrumentation Inc. | Colorimetric imaging system |
JP2005115208A (ja) * | 2003-10-10 | 2005-04-28 | Dkk Toa Corp | 波長可変フィルタ |
FR2900279B1 (fr) * | 2006-04-19 | 2008-06-06 | Commissariat Energie Atomique | Filtre spectral micro-structure et capteur d'images |
-
2008
- 2008-01-09 JP JP2008002594A patent/JP5086815B2/ja not_active Expired - Fee Related
-
2009
- 2009-01-08 US US12/350,575 patent/US8040585B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2009163144A (ja) | 2009-07-23 |
US20090190200A1 (en) | 2009-07-30 |
US8040585B2 (en) | 2011-10-18 |
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