CN107850828A - 一种投影*** - Google Patents

一种投影*** Download PDF

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Publication number
CN107850828A
CN107850828A CN201580078802.7A CN201580078802A CN107850828A CN 107850828 A CN107850828 A CN 107850828A CN 201580078802 A CN201580078802 A CN 201580078802A CN 107850828 A CN107850828 A CN 107850828A
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CN
China
Prior art keywords
light
projection
screen unit
unit
curved surface
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.)
Granted
Application number
CN201580078802.7A
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English (en)
Other versions
CN107850828B (zh
Inventor
黄治
罗伯森·布莱恩
初大平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Kangxi Medical Technology Co ltd
Huawei Technologies Co Ltd
Original Assignee
Suzhou Kangxi Medical Technology Co ltd
Huawei Technologies Co Ltd
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Publication date
Application filed by Suzhou Kangxi Medical Technology Co ltd, Huawei Technologies Co Ltd filed Critical Suzhou Kangxi Medical Technology Co ltd
Publication of CN107850828A publication Critical patent/CN107850828A/zh
Application granted granted Critical
Publication of CN107850828B publication Critical patent/CN107850828B/zh
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Classifications

    • 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
    • G03B21/10—Projectors with built-in or built-on screen
    • 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
    • G03B21/13—Projectors for producing special effects at the edges of picture, e.g. blurring
    • 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
    • G03B21/28—Reflectors in projection beam
    • 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
    • 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
    • G03B21/60—Projection screens characterised by the nature of the surface
    • 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
    • H04N9/3147—Multi-projection systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)

Abstract

一种投影***，涉及显示技术领域，包括投影单元(2)、屏幕单元(1)、外框机架(4)以及支撑结构组件(3)，屏幕单元(1)用于呈现投影单元(2)投影出的画面，外框机架(4)用于固定投影单元(2)和支撑结构组件(3)，支撑结构组件(3)用于将屏幕单元(1)与外框机架(4)固定连接，支撑结构组件(3)位于屏幕单元(1)的入光侧，支撑结构组件(3)包括透光部(31)和至少一个连接部(32)，透光部(31)与屏幕单元(1)固定连接，透光部(31)用于使投影单元(2)发出照射在透光部(31)上的光线透过；至少一个连接部(32)位于投影单元(2)发射光线的传播路径之外，至少一个连接部(32)用于固定连接透光部(31)与外框机架(4)。这种投影***中，支撑结构组件(3)不会对投影单元(2)发射的光线进行遮挡，使投影***具有较好的显示质量。

Description

PCT国内申请，说明书已公开。

Claims (10)

  1. PCT国内申请，权利要求书已公开。
CN201580078802.7A 2015-06-30 2015-06-30 一种投影*** Active CN107850828B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/083007 WO2017000264A1 (zh) 2015-06-30 2015-06-30 一种投影***

Publications (2)

Publication Number Publication Date
CN107850828A true CN107850828A (zh) 2018-03-27
CN107850828B CN107850828B (zh) 2020-10-09

Family

ID=57607464

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201580078802.7A Active CN107850828B (zh) 2015-06-30 2015-06-30 一种投影***

Country Status (4)

Country Link
US (1) US10261399B2 (zh)
EP (1) EP3301510B1 (zh)
CN (1) CN107850828B (zh)
WO (1) WO2017000264A1 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111856849A (zh) * 2019-04-28 2020-10-30 青岛海信激光显示股份有限公司 投影设备、投影***及激光电视
CN114518644A (zh) * 2020-11-18 2022-05-20 中强光电股份有限公司 投影镜头及投影装置
US11982798B2 (en) 2020-11-18 2024-05-14 Coretronic Corporation Projection lens and projection apparatus

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CO2018007478A1 (es) 2018-07-16 2020-01-17 Panacea Quantum Leap Tech Llc Electrodo de anillos concéntricos
TWI683162B (zh) * 2018-08-15 2020-01-21 友達光電股份有限公司 顯示系統

Citations (8)

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Publication number Priority date Publication date Assignee Title
US4895429A (en) * 1987-09-30 1990-01-23 Hitachi, Ltd. Rear projection apparatus
EP0471478A2 (en) * 1990-08-03 1992-02-19 Mitsubishi Denki Kabushiki Kaisha Large screen display apparatus
US5206760A (en) * 1990-10-01 1993-04-27 Hitachi, Ltd. Multiprojection apparatus
JPH11249237A (ja) * 1998-12-07 1999-09-17 Hitachi Ltd スクリーンとその製法及びマルチプロジェクタ
CN201876660U (zh) * 2010-09-30 2011-06-22 上海广电光显技术有限公司 无边缘图像遮挡投影拼接屏幕
CN102822722A (zh) * 2010-03-31 2012-12-12 日本电气株式会社 投影仪、投影仪***和图像校正方法
US20140226133A1 (en) * 2011-09-27 2014-08-14 Nec Corporation Multiprojection system
WO2014203387A1 (ja) * 2013-06-21 2014-12-24 Ｎｅｃディスプレイソリューションズ株式会社 画像表示装置及び画像表示方法

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US5085495A (en) * 1990-02-28 1992-02-04 Hitachi, Ltd. Multi-screen projector
US6000668A (en) * 1996-07-30 1999-12-14 Adf Incorporated Video wall framing system
US6550521B1 (en) 2000-05-30 2003-04-22 Visual Structures, Inc. Seamless screen videowall
US6833951B2 (en) 2000-12-29 2004-12-21 Honeywell International Inc. Seamless rear projection screen
WO2006137548A1 (ja) * 2005-06-24 2006-12-28 Matsushita Electric Industrial Co., Ltd. 画像投射装置及び背面投写型ディスプレイ装置
CN101556425B (zh) * 2009-04-29 2011-04-06 广东威创视讯科技股份有限公司 一种背投影单元无缝拼接方法及专用光学结构
CN101762965A (zh) 2009-11-10 2010-06-30 广东威创视讯科技股份有限公司 一种背投影拼接显示屏
CN103489374A (zh) 2013-08-13 2014-01-01 江苏清投视讯科技有限公司 一种多屏幕拼接的无缝显示屏
CN103700323B (zh) 2013-12-31 2015-12-23 深圳市澳柯瑞科技有限公司 无边框显示装置及消除拼缝的大屏幕拼接显示***
CN204375351U (zh) * 2015-01-20 2015-06-03 张慧芳 一种无缝拼接显示装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4895429A (en) * 1987-09-30 1990-01-23 Hitachi, Ltd. Rear projection apparatus
EP0471478A2 (en) * 1990-08-03 1992-02-19 Mitsubishi Denki Kabushiki Kaisha Large screen display apparatus
US5206760A (en) * 1990-10-01 1993-04-27 Hitachi, Ltd. Multiprojection apparatus
JPH11249237A (ja) * 1998-12-07 1999-09-17 Hitachi Ltd スクリーンとその製法及びマルチプロジェクタ
CN102822722A (zh) * 2010-03-31 2012-12-12 日本电气株式会社 投影仪、投影仪***和图像校正方法
CN201876660U (zh) * 2010-09-30 2011-06-22 上海广电光显技术有限公司 无边缘图像遮挡投影拼接屏幕
US20140226133A1 (en) * 2011-09-27 2014-08-14 Nec Corporation Multiprojection system
WO2014203387A1 (ja) * 2013-06-21 2014-12-24 Ｎｅｃディスプレイソリューションズ株式会社 画像表示装置及び画像表示方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111856849A (zh) * 2019-04-28 2020-10-30 青岛海信激光显示股份有限公司 投影设备、投影***及激光电视
CN114518644A (zh) * 2020-11-18 2022-05-20 中强光电股份有限公司 投影镜头及投影装置
US11982798B2 (en) 2020-11-18 2024-05-14 Coretronic Corporation Projection lens and projection apparatus

Also Published As

Publication number Publication date
EP3301510B1 (en) 2019-08-21
WO2017000264A1 (zh) 2017-01-05
US20180120676A1 (en) 2018-05-03
CN107850828B (zh) 2020-10-09
EP3301510A1 (en) 2018-04-04
US10261399B2 (en) 2019-04-16
EP3301510A4 (en) 2018-07-04

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