JP7613557B2 - 投射装置および投射方法 - Google Patents

投射装置および投射方法 Download PDF

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Publication number
JP7613557B2
JP7613557B2 JP2023508762A JP2023508762A JP7613557B2 JP 7613557 B2 JP7613557 B2 JP 7613557B2 JP 2023508762 A JP2023508762 A JP 2023508762A JP 2023508762 A JP2023508762 A JP 2023508762A JP 7613557 B2 JP7613557 B2 JP 7613557B2
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Japan
Prior art keywords
projection
light
liquid crystal
lens
modulation
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JP2023508762A
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English (en)
Japanese (ja)
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JPWO2022201942A5 (https=
JPWO2022201942A1 (https=
Inventor
紘也 高田
尚志 水本
藤男 奥村
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NEC Corp
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NEC Corp
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    • 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
    • G02F1/29—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 position or the direction of light beams, i.e. deflection
    • 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 
    • 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
    • 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
    • G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • 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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Liquid Crystal (AREA)
JP2023508762A 2021-03-22 2022-02-10 投射装置および投射方法 Active JP7613557B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021047566 2021-03-22
JP2021047566 2021-03-22
PCT/JP2022/005240 WO2022201942A1 (ja) 2021-03-22 2022-02-10 投射装置および投射方法

Publications (3)

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JPWO2022201942A1 JPWO2022201942A1 (https=) 2022-09-29
JPWO2022201942A5 JPWO2022201942A5 (https=) 2023-11-01
JP7613557B2 true JP7613557B2 (ja) 2025-01-15

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JP2023508762A Active JP7613557B2 (ja) 2021-03-22 2022-02-10 投射装置および投射方法

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US (1) US12216378B2 (https=)
JP (1) JP7613557B2 (https=)
WO (1) WO2022201942A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121232507A (zh) * 2024-06-28 2025-12-30 青岛海信激光显示股份有限公司 一种投影设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090207466A1 (en) 2006-03-28 2009-08-20 Edward Bucklay Holographic display devices
WO2018056199A1 (ja) 2016-09-21 2018-03-29 日本電気株式会社 距離測定システム、距離測定方法およびプログラム記録媒体
WO2019116526A1 (ja) 2017-12-15 2019-06-20 日本電気株式会社 投射装置、インターフェース装置および投射方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150045135A (ko) * 2013-10-18 2015-04-28 삼성디스플레이 주식회사 입체영상 표시장치와 그 구동방법
US9946070B2 (en) * 2016-03-08 2018-04-17 Sharp Kabushiki Kaisha Automotive head up display
WO2022137777A1 (ja) 2020-12-21 2022-06-30 日本電気株式会社 投射装置および投射方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090207466A1 (en) 2006-03-28 2009-08-20 Edward Bucklay Holographic display devices
WO2018056199A1 (ja) 2016-09-21 2018-03-29 日本電気株式会社 距離測定システム、距離測定方法およびプログラム記録媒体
WO2019116526A1 (ja) 2017-12-15 2019-06-20 日本電気株式会社 投射装置、インターフェース装置および投射方法

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Publication number Publication date
US20240045303A1 (en) 2024-02-08
US12216378B2 (en) 2025-02-04
JPWO2022201942A1 (https=) 2022-09-29
WO2022201942A1 (ja) 2022-09-29

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