TWI456332B - 照明裝置及投影機 - Google Patents

照明裝置及投影機 Download PDF

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Publication number
TWI456332B
TWI456332B TW102104485A TW102104485A TWI456332B TW I456332 B TWI456332 B TW I456332B TW 102104485 A TW102104485 A TW 102104485A TW 102104485 A TW102104485 A TW 102104485A TW I456332 B TWI456332 B TW I456332B
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TW
Taiwan
Prior art keywords
light
illumination
optical axis
shape
conversion element
Prior art date
Application number
TW102104485A
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English (en)
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TW201335692A (zh
Inventor
秋山光一
Original Assignee
精工愛普生股份有限公司
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Publication of TW201335692A publication Critical patent/TW201335692A/zh
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Publication of TWI456332B publication Critical patent/TWI456332B/zh

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Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0905—Dividing and/or superposing multiple light beams
    • 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
    • G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
    • G02B27/285—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining comprising arrays of elements, e.g. microprisms
    • 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
    • G02B27/30—Collimators
    • 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
    • G03B21/006—Projectors using an electronic spatial light modulator but not peculiar thereto using LCD's
    • 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
    • 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
    • G03B21/208—Homogenising, shaping of the illumination light
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal cells
    • 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
    • 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
    • H04N9/3173—Constructional details thereof wherein the projection device is specially adapted for enhanced portability
    • 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
    • G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Projection Apparatus (AREA)
  • Lenses (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Polarising Elements (AREA)

Claims (7)

  1. 一種照明裝置，其特徵在於包括：固體光源裝置；讀取透鏡單元，其控制自上述固體光源裝置入射之光之行進方向；及偏光轉換元件，其使自上述讀取透鏡單元之光射出面射出之光之偏光方向一致；且構成上述讀取透鏡單元之上述光射出面之透鏡為非球面透鏡，該非球面透鏡係自上述讀取透鏡單元之光軸方向觀察之光射出面之形狀為以上述光軸為中心之旋轉對稱之形狀，且以與上述光軸平行之平面切開之剖面之形狀為非球面之形狀；且上述非球面透鏡之光射出面具有如下功能：使自上述固體光源裝置之中心射出之光於相對於上述光軸相對較近之區域平行化而射出，且於相對於上述光軸相對較遠之區域以向上述光軸側收斂之方式射出。
  2. 如請求項1之照明裝置，其中於上述偏光轉換元件與自上述偏光轉換元件射出之光照射到之照明對象之間，設置有使向上述照明對象之照射區域之外側行進之光向上述照射區域之內側反射的反射機構。
  3. 如請求項2之照明裝置，其中上述反射機構係形成將內面設為反射面之角形柱狀，且以一開口部朝向上述偏光轉換元件之光射出面側，另一開口部朝向照明對象之照射區域側之方式配設。
  4. 如請求項3之照明裝置，其中上述反射機構之上述一開口部之開口面積大於上述另一開口部之開口面積。
  5. 如請求項2至4中任一項之照明裝置，其中上述反射機構之反射 面之至少一部分區域具有散射特性。
  6. 一種投影機，其包括：如請求項1至5中任一項之照明裝置；光調變裝置，其係根據圖像資訊而調變來自上述照明裝置之照明光；及投影光學系統，其係將來自上述光調變裝置之調變光作為投影圖像而投影。
  7. 如請求項6之投影機，其中上述光調變裝置為單板之液晶光調變裝置。
TW102104485A 2012-02-16 2013-02-05 照明裝置及投影機 TWI456332B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012031849A JP5957937B2 (ja) 2012-02-16 2012-02-16 照明装置およびプロジェクター

Publications (2)

Publication Number Publication Date
TW201335692A TW201335692A (zh) 2013-09-01
TWI456332B true TWI456332B (zh) 2014-10-11

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Country Status (9)

Country Link
US (1) US9961314B2 (zh)
EP (1) EP2815274B1 (zh)
JP (1) JP5957937B2 (zh)
KR (1) KR101723888B1 (zh)
CN (1) CN103257519B (zh)
IN (1) IN2014DN06746A (zh)
RU (1) RU2583340C2 (zh)
TW (1) TWI456332B (zh)
WO (1) WO2013121765A2 (zh)

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JP6550781B2 (ja) * 2015-02-17 2019-07-31 セイコーエプソン株式会社 光源装置およびプロジェクター
US10187634B2 (en) 2016-08-12 2019-01-22 Avegant Corp. Near-eye display system including a modulation stack
US10185153B2 (en) 2016-08-12 2019-01-22 Avegant Corp. Orthogonal optical path length extender
US10401639B2 (en) 2016-08-12 2019-09-03 Avegant Corp. Method and apparatus for an optical path length extender
US10690311B2 (en) * 2017-01-27 2020-06-23 Maxell, Ltd. Headlight device
EP3617584A4 (en) * 2017-04-24 2020-12-30 Stanley Electric Co., Ltd. LAMP AND VEHICLE LIGHTING SYSTEM
CN109899764A (zh) * 2017-12-07 2019-06-18 斯坦雷电气株式会社 车辆用灯具系统
JP6898214B2 (ja) * 2017-12-08 2021-07-07 マクセル株式会社 ヘッドライト装置
JP7151497B2 (ja) * 2019-01-17 2022-10-12 ウシオ電機株式会社 光源装置
CN114987355A (zh) * 2022-05-16 2022-09-02 中国第一汽车股份有限公司 一种汽车悬浮显示车标装置

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Also Published As

Publication number Publication date
RU2583340C2 (ru) 2016-05-10
WO2013121765A3 (en) 2014-01-30
TW201335692A (zh) 2013-09-01
US20140340588A1 (en) 2014-11-20
US9961314B2 (en) 2018-05-01
WO2013121765A2 (en) 2013-08-22
RU2014137248A (ru) 2016-04-10
KR101723888B1 (ko) 2017-04-06
CN103257519A (zh) 2013-08-21
JP5957937B2 (ja) 2016-07-27
EP2815274A2 (en) 2014-12-24
KR20140123590A (ko) 2014-10-22
WO2013121765A8 (en) 2014-04-10
IN2014DN06746A (zh) 2015-05-22
CN103257519B (zh) 2015-08-19
JP2013168316A (ja) 2013-08-29
EP2815274B1 (en) 2017-08-09

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