JP2017501449A - 画像を投射するためのシステムおよび方法、ならびに同システムを用いたディスプレイ - Google Patents
画像を投射するためのシステムおよび方法、ならびに同システムを用いたディスプレイ Download PDFInfo
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- JP2017501449A JP2017501449A JP2016540969A JP2016540969A JP2017501449A JP 2017501449 A JP2017501449 A JP 2017501449A JP 2016540969 A JP2016540969 A JP 2016540969A JP 2016540969 A JP2016540969 A JP 2016540969A JP 2017501449 A JP2017501449 A JP 2017501449A
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- image
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- 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
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3016—Polarising elements involving passive liquid crystal 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
- 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
- G02F1/13—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 based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
-
- 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
- G02F1/13—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 based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—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 based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
-
- 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
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2053—Intensity control of illuminating light
-
- 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
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2073—Polarisers in the lamp house
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3155—Modulator illumination systems for controlling the light source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3161—Modulator illumination systems using laser light sources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3167—Modulator illumination systems for polarizing the light beam
-
- 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
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Nonlinear Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
- Projection Apparatus (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
− 2つの電圧レベルの間で、交流信号により制御されることが可能であり、交流信号により制御される光ビームの偏光の向きを修正する、液晶セルと、
− 交流信号を生成し、画像の2つの連続フレームの投射の間に、一方の電圧レベルから他方の電圧レベルへと前記交流信号を切り換える、信号生成器と、
− 前記偏光の向きに応じて光ビームの光強度の変化を確保するための手段と、
を備える、ことを特徴とする。
Claims (9)
- 光ビーム(10)を放射するための装置(1)と、前記光ビーム(10)から画像を形成するための手段(102)と、を備え、
前記画像は、前記システムによって連続して投射されるフレーム(22a,22b,22c,22d)に分割される、画像投射システムであって、
前記システムは、前記光ビーム(10)の光強度を減衰するための手段(12)を備え、前記減衰手段(12)は、
− 2つの電圧レベルの間で交流信号により制御されることが可能であり、前記交流信号により制御される光ビーム(10)の偏光の向きを修正する、液晶セル(16)と、
− 前記交流信号を生成する信号生成器(19)であって、前記画像の2つの連続フレームの投射の間に、一方の電圧レベルから他方の電圧レベルへと前記交流信号を切り換える、信号生成器(19)と、
− 前記偏光の向きに応じて前記光ビーム(10)の光強度の変化を確保するための手段(17)と、
を備えることを特徴とする画像投射システム。 - 前記光ビーム(10)を放射するための装置(1)は、少なくとも1つのレーザダイオードを備える、ことを特徴とする請求項1に記載の画像投射システム。
- 前記光ビーム(10)を放射するための装置(1)は、バックライトにより照明される、薄膜トランジスタを備えた液晶ディスプレイ型のセルである、ことを特徴とする請求項1に記載の画像投射システム。
- 前記交流信号の電圧の平均値は、ゼロである、ことを特徴とする請求項1から3のいずれかに記載の画像投射システム。
- 前記2つの電圧レベルは、絶対値が等しく、かつ、符号が反対である、ことを特徴とする請求項1から4のいずれかに記載の画像投射システム。
- 前記交流信号は、周期的である、ことを特徴とする請求項1から5のいずれかに記載の画像投射システム。
- 前記交流信号の周波数は、前記画像の前記フレームの投射周波数の半分に等しい、ことを特徴とする請求項6に記載の画像投射システム。
- ディスプレイ、特にヘッドアップディスプレイであって、請求項1から7のいずれかに記載の画像投射システムを備える、ことを特徴とするヘッドアップディスプレイ。
- 画像を投射するための方法であって、光ビーム(10)を放射するステップと、前記光ビーム(10)から画像を形成するステップと、を含み、
前記画像形成ステップは、画像フレーム投射のいくつかの連続するサブステップに分割されている、方法において、
前記方法は、2つの電圧レベル間で交流信号を制御することにより、光ビーム(10)を減衰するステップを備え、
一方の電圧レベルから他方の電圧レベルへの前記交流信号の切り換えは、前記画像フレーム投射の連続するサブステップの間で制御されている、ことを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1303042A FR3015704B1 (fr) | 2013-12-20 | 2013-12-20 | Systeme et procede de projection d'image et afficheur utilisant ledit systeme |
FR1303042 | 2013-12-20 | ||
PCT/FR2014/000289 WO2015092166A1 (fr) | 2013-12-20 | 2014-12-18 | Système et procédé de projection d'image et afficheur utilisant ledit système |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2017501449A true JP2017501449A (ja) | 2017-01-12 |
Family
ID=50137718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016540969A Pending JP2017501449A (ja) | 2013-12-20 | 2014-12-18 | 画像を投射するためのシステムおよび方法、ならびに同システムを用いたディスプレイ |
Country Status (6)
Country | Link |
---|---|
US (1) | US9880385B2 (ja) |
EP (1) | EP3084521B1 (ja) |
JP (1) | JP2017501449A (ja) |
CN (1) | CN106462044B (ja) |
FR (1) | FR3015704B1 (ja) |
WO (1) | WO2015092166A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9740004B2 (en) * | 2014-06-05 | 2017-08-22 | Making Virtual Solid—California LLC. | Pupil-expanded biocular volumetric display |
US20180061449A1 (en) * | 2016-08-30 | 2018-03-01 | Bragi GmbH | Binaural Audio-Video Recording Using Short Range Wireless Transmission from Head Worn Devices to Receptor Device System and Method |
FR3062490B1 (fr) * | 2017-02-02 | 2020-03-06 | Valeo Comfort And Driving Assistance | Dispositif de formation d'image et afficheur tete haute comprenant un tel dispositif |
FR3065817B1 (fr) * | 2017-04-28 | 2020-10-30 | Valeo Comfort & Driving Assistance | Procede de pilotage d'un afficheur tete-haute et afficheur tete-haute |
CN108152960B (zh) * | 2018-01-10 | 2020-05-15 | 京东方科技集团股份有限公司 | 车载平视显示方法及系统 |
Citations (11)
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JPH09218460A (ja) * | 1996-02-08 | 1997-08-19 | Sharp Corp | 直線偏光照明系及び該照明系を用いた投射型表示装置 |
WO2001088606A1 (en) * | 2000-05-18 | 2001-11-22 | Raytheon Company | Electronically variable light attenuator |
JP2002214555A (ja) * | 2001-01-16 | 2002-07-31 | Canon Inc | 液晶薄膜光導波路を用いた画像形成装置 |
US20050190345A1 (en) * | 2004-02-27 | 2005-09-01 | Dubin Matthew B. | Electro-optical dimming system |
WO2006076542A2 (en) * | 2005-01-12 | 2006-07-20 | Colorlink, Inc. | Illumination attenuation system |
WO2010147627A1 (en) * | 2009-06-15 | 2010-12-23 | Eastman Kodak Company | Dynamic illumination control for laser projection display |
JP2013015738A (ja) * | 2011-07-06 | 2013-01-24 | Nippon Seiki Co Ltd | ヘッドアップディスプレイ装置 |
JP2013037335A (ja) * | 2011-07-13 | 2013-02-21 | Sony Corp | 照明装置および表示装置 |
JP2013104990A (ja) * | 2011-11-14 | 2013-05-30 | Seiko Epson Corp | 液晶装置および電子機器 |
US20130293591A1 (en) * | 2012-05-07 | 2013-11-07 | Microvision, Inc. | Projector with Shutter |
JP2013250552A (ja) * | 2012-05-30 | 2013-12-12 | Christie Digital Systems Usa Inc | 高ダイナミックレンジプロジェクションのためのゾーン照光 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO1995020180A1 (en) * | 1994-01-25 | 1995-07-27 | Fergason James L | Display system and method |
US6476966B1 (en) * | 1999-12-15 | 2002-11-05 | University Of Central Florida | Continuously variable, wavelength-independent polarization rotator |
-
2013
- 2013-12-20 FR FR1303042A patent/FR3015704B1/fr active Active
-
2014
- 2014-12-18 US US15/104,739 patent/US9880385B2/en active Active
- 2014-12-18 JP JP2016540969A patent/JP2017501449A/ja active Pending
- 2014-12-18 CN CN201480069877.4A patent/CN106462044B/zh active Active
- 2014-12-18 EP EP14828183.5A patent/EP3084521B1/fr active Active
- 2014-12-18 WO PCT/FR2014/000289 patent/WO2015092166A1/fr active Application Filing
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09218460A (ja) * | 1996-02-08 | 1997-08-19 | Sharp Corp | 直線偏光照明系及び該照明系を用いた投射型表示装置 |
WO2001088606A1 (en) * | 2000-05-18 | 2001-11-22 | Raytheon Company | Electronically variable light attenuator |
JP2002214555A (ja) * | 2001-01-16 | 2002-07-31 | Canon Inc | 液晶薄膜光導波路を用いた画像形成装置 |
US20050190345A1 (en) * | 2004-02-27 | 2005-09-01 | Dubin Matthew B. | Electro-optical dimming system |
WO2006076542A2 (en) * | 2005-01-12 | 2006-07-20 | Colorlink, Inc. | Illumination attenuation system |
WO2010147627A1 (en) * | 2009-06-15 | 2010-12-23 | Eastman Kodak Company | Dynamic illumination control for laser projection display |
JP2013015738A (ja) * | 2011-07-06 | 2013-01-24 | Nippon Seiki Co Ltd | ヘッドアップディスプレイ装置 |
JP2013037335A (ja) * | 2011-07-13 | 2013-02-21 | Sony Corp | 照明装置および表示装置 |
JP2013104990A (ja) * | 2011-11-14 | 2013-05-30 | Seiko Epson Corp | 液晶装置および電子機器 |
US20130293591A1 (en) * | 2012-05-07 | 2013-11-07 | Microvision, Inc. | Projector with Shutter |
JP2013250552A (ja) * | 2012-05-30 | 2013-12-12 | Christie Digital Systems Usa Inc | 高ダイナミックレンジプロジェクションのためのゾーン照光 |
Also Published As
Publication number | Publication date |
---|---|
FR3015704A1 (fr) | 2015-06-26 |
WO2015092166A1 (fr) | 2015-06-25 |
CN106462044A (zh) | 2017-02-22 |
US9880385B2 (en) | 2018-01-30 |
EP3084521A1 (fr) | 2016-10-26 |
FR3015704B1 (fr) | 2019-09-13 |
EP3084521B1 (fr) | 2020-08-05 |
US20170023788A1 (en) | 2017-01-26 |
CN106462044B (zh) | 2019-10-01 |
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