WO2006053475A1 - Systeme de projection d'image et son procede fonctionnel - Google Patents

Systeme de projection d'image et son procede fonctionnel Download PDF

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Publication number
WO2006053475A1
WO2006053475A1 PCT/CN2005/001308 CN2005001308W WO2006053475A1 WO 2006053475 A1 WO2006053475 A1 WO 2006053475A1 CN 2005001308 W CN2005001308 W CN 2005001308W WO 2006053475 A1 WO2006053475 A1 WO 2006053475A1
Authority
WO
WIPO (PCT)
Prior art keywords
mirror
layer
illuminator
scanning
display screen
Prior art date
Application number
PCT/CN2005/001308
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English (en)
Chinese (zh)
Inventor
Dongzuo Yang
Original Assignee
Dongzuo Yang
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongzuo Yang filed Critical Dongzuo Yang
Publication of WO2006053475A1 publication Critical patent/WO2006053475A1/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/12—Scanning systems using multifaceted mirrors
    • G02B26/123—Multibeam scanners, e.g. using multiple light sources or beam splitters

Definitions

  • the present invention relates to an image projection system and a light working method, and relates to a high definition image projection system and a light working method.
  • BACKGROUND OF THE INVENTION In the existing video projection system, an electron beam tube CRT projector, a liquid crystal light valve projector, and a large-screen LED display screen are combined to occupy the market with their respective advantages. However, for any development mode, high-definition image projection systems are required to enable the array of light sources to be arranged on the display screen. Therefore, it is better to scan the display screen.
  • 03101375.9 which provides a partitioned multi-line scanning laser projector that uses a plurality of rows of simultaneously scanned beam columns to perform image partitioned line scanning, and a large number of modulatable laser arrays are used in the device. , light valve array structure.
  • the hardware cost of the required light source is enormous, and at the same time, a large number of lasers need to be controlled, and the software part of the control is quite complicated.
  • a video developing device which is composed of a pixel storage controller, a light-emitting driving board, a light collecting output device, an optical scanner, an image display screen, and the like, on the light-emitting driving board.
  • a three-primary light-emitting unit having the same number of pixels as one row or one column is provided, each of the three primary color light-emitting units is composed of three primary color light-emitting devices, and the light-collecting output device is composed of a plurality of tree-shaped light collectors having three branches.
  • the number of the tree concentrators is the same as the number of the three primary color illuminating units, and each of the dendritic concentrators corresponds to one of the three primary illuminating units, and the light emitted by the three single primary illuminating devices is from the corresponding dendritic optical fiber.
  • the three branches of the concentrator enter the tree-shaped fiber concentrator for color mixing.
  • the output ends of all the tree-shaped fiber concentrators are arranged in a row in sequence.
  • the image display screen is composed of a plurality of fibers arranged regularly, and the number of fibers is The number of pixels of one frame of image is an integer squared speed relationship.
  • An image projection system for achieving the object of the present invention includes an illuminator, a rotating mirror, and a display screen.
  • the illuminator has three or more illuminators, and the rotating mirror is a multi-edge multi-layer mirror, and a single mirror of each layer is opposite.
  • the angle of inclination of the rotating shaft of the rotating mirror is different from that of other mirrors of the same layer, and each illuminator corresponds to each mirror layer of the multi-layer multi-layer mirror, and the reflected light from the rotating mirror is incident on the display screen.
  • the image is formed, and the product of the number of illuminators and the number of mirrors of the rotating mirror is greater than 750.
  • the image of the final image of the image projection system is more than 750 lines of light, and the multi-layered multi-face mirror is tapered, and the illuminator is a true color pixel tube, which is red and green. , blue three primary color light source.
  • each illuminator corresponds to a layer mirror of a multi-layer multi-layer mirror, and the light emitted by each illuminator is reflected by the multi-layer multi-layer mirror and then injected into the display screen to form ' image.
  • a light working method for realizing an image projection system of the present invention is characterized in that three or more illuminators are provided, and the rotating mirror is a multi-edge multi-layer mirror, and a single mirror of each layer is opposite to the rotating mirror The angle of inclination of the rotating shaft is different from that of other mirrors in the same layer, and each illuminator corresponds to each mirror layer of the multi-layer multi-layer mirror; first, the light emitted by the first illuminator passes through the first layer of the rotating mirror The first mirror is scanned and scanned to form a first line. Thereafter, the rotating mirror is turned to the second mirror and then reflected to the display screen to form a second row.
  • the rotating mirror rotates in turn, and the first illuminator sequentially emits light through the first After the layer mirror reflects, an image is formed on the display screen one by one; the first illuminator is turned off after scanning the first layer mirror, and the second illuminator is turned on; the second illuminator emits light through the first layer of the second layer of the rotating mirror
  • the mirror reflection scans to the display screen to form a line. Thereafter, the rotating mirror is turned to the second layer second mirror and then reflected to the display screen to form a second row of scanning lines.
  • the rotating mirror rotates in turn, and the second illuminator sequentially emits light through the first Two levels After reflection, images are formed on the display screen one by one; this is repeated until all the illuminators respond to all the mirrors to perform reflection on the display screen; the number of lines imaged on the display screen is greater than 750 lines, and the system is in 1 second.
  • a scan of the scanning surface of 25 or more times per unit time is performed, and a scanning projection frequency of the scanning surface of 25 times or more per second is formed.
  • the illuminator operates at least 800 times per illuminator for each scan line.
  • the image projection system has 20 illuminators, the multi-edge multi-layer mirror has 20 layers, and the number of mirrors per layer is 54, and the entire multi-edge multi-layer mirror is tapered.
  • the angle of inclination of one mirror is different from each other; the illuminator emits light at a frequency of 1920 times per unit of mirror per scan; first, The light emitted by the first illuminator is reflected by the first mirror of the first layer of the rotating mirror to the display screen to form a scanning line of the first 1920 points, the rotating mirror is rotated through the second mirror of the first layer, and the first illuminator emits light.
  • the second mirror of the first layer of the rotating mirror is reflected to the display screen to form a second scanning line of 1920 points; the light emitted by the first illuminator sequentially completes the reflection scanning of the first layer of the multi-layer multi-layer mirror.
  • 54 scanning lines are scanned on the display screen; after the first illuminator completes the scanning of the first layer, the first illuminator is turned off, the second illuminator is turned on, and the second illuminator emits light through the second mirror After the first mirror of the layer reflects, the 55th scanning line is formed.
  • the light emitted by the second illuminator also scans 54 scanning lines after one revolution of the multi-layer multi-layer mirror; the second illuminator After the second layer scan is completed, the second illuminator is turned off, and the third illuminator is turned on to start scanning the third layer mirror of the multi-layer multi-layer mirror; the system sequentially completes 20 illuminators corresponding to the 20-layer mirror of the multi-layer multi-layer mirror Reflection scan work, display a total of scan on the display The line 1080, a scanning surface is formed; completed scanning system 30 scans the surface in a unit time of 1 second, to form the scanning frequency projection 30 times per second scan plane.
  • a light working method for realizing another image projection system of the present invention is provided with three or more illuminators, wherein the rotating mirror is a multi-edge multi-layer mirror, and the single mirror of each layer is opposite to the rotating shaft of the rotating mirror The angle of inclination is different from that of other mirrors in the same layer.
  • Each illuminator corresponds to each mirror layer of the multi-layer multi-layer mirror; when working, each layer of illuminators emits light at the same time, and the light emitted by each illuminator Corresponding to the first mirror of the mirror layer, the scan is scanned to form a corresponding first row of scan lines.
  • the mirror is reflected to form a corresponding second row of scan lines.
  • the rotating mirror rotates in turn, and the light emitted by each illuminator is reflected by each corresponding layer mirror to form a scanning line on the display screen one by one.
  • all the illuminators are reflected on the display screen corresponding to all the mirrors.
  • the scanning frequency projection The illuminator illuminates at least 800 times each time a illuminator is formed.
  • the illuminator emits 1920 times of frequency per mirror time per unit of illumination; during operation, the light emitted by each illuminator is reflected by the first mirror of the corresponding layer of the rotating mirror to the display screen to form respective illuminators corresponding to each illuminator
  • the first scanning line of 1920 points the rotating mirror is rotated through the second mirror surface of each layer, and the illuminators are illuminated by the corresponding mirror of the rotating mirror, and the second mirror is reflected to the display screen to form the second strip corresponding to each illuminator.
  • each illuminator completes the reflection scanning of the multi-layer multi-layer mirror, and scans corresponding 54 scanning lines on the display screen; the system completes 20 illuminators corresponding to the multi-edge multi-faceted surface
  • the mirror scan of the 20-layer mirror of the mirror a total of 1080 lines are scanned on the display screen to form a scanning surface; the system performs a total of 30 scans of the scanning surface in a unit time of 1 second. Trace, the scanning projection frequency of the scanning surface 30 times per second is formed.
  • the image projection system of the invention has a high number of pixel points, and can produce a high-definition video display effect; at the same time, the position of the light-emitting device is fixed and reliable, and the polygon mirror of the multi-layer multi-layer mirror is simple in structure and convenient to manufacture. The cost is low; the light-emitting device generates less heat and completely solves the heat dissipation problem; the whole system is small in size and high in reliability, and can realize large-format display.
  • Figure 1 is a schematic view showing the operation of a first embodiment of the present invention.
  • Figure 2 is a schematic view showing the operation of the second embodiment of the present invention.
  • Figure 3 is a schematic view showing the operation of the third embodiment of the present invention.
  • FIG. 4 is a schematic view showing the operation of the fourth embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION Example 1
  • the number of illuminators of an image projection system is three
  • the number of layers of the multi-edge multi-layer mirror is three
  • the number of mirrors per layer of the multi-layer multi-layer mirror 5 is 250 (attached)
  • 10 mirrors are shown as schematic explanations
  • the number of lines scanned is 750.
  • the angle of inclination of the single mirror of each layer with respect to the axis of rotation of the rotating mirror is different from that of the other mirrors of the same layer, and each illuminator corresponds to each of the mirror layers of the multi-sided multilayer mirror.
  • the illuminator illuminates 800 times each time a illuminator is formed.
  • the light emitted by the first illuminator 6 is reflected by the first mirror 11 of the first layer of the rotating mirror to the display screen 3 to form a first row, and each row forms 800 image sites. Thereafter, the rotating mirror is turned to the second mirror 12 and then reflected to the display screen 3 to form a second row. The rotating mirror rotates in turn, and the light emitted by the first illuminator 6 sequentially passes through the first layer mirror and is imaged on the display screen 3 one by one.
  • the first illuminator 6 is turned off after scanning the first layer mirror, and the second illuminator 7 is turned on; the light emitted by the second illuminator is reflected by the first mirror 21 of the second layer of the rotating mirror to the display screen 3 A row is formed. Thereafter, the rotating mirror is transferred to the second layer second mirror 22 and then reflected to the display screen 3 to form a second row. The rotating mirror rotates in turn, and the second illuminator 7 sequentially emits light through the second layer mirror one by one.
  • the image on the display screen 3 is formed; after the second illuminator 7 is finished, the third illuminator 8 starts to work, and the mirror of the third layer is scanned, and the light emitted by the third illuminator 8 passes through the third layer of the rotating mirror.
  • the first mirror 31 reflects and scans to the display screen 3 to form a row. Thereafter, the rotating mirror is turned to the third layer second mirror 32 and then reflected to the display screen 3 to form a second row.
  • the rotating mirror rotates in turn, and the third illuminator 8
  • the sequentially emitted light passes through the second layer mirror and is imaged on the display screen 3 one by one; all the illuminators perform image reflection on the display screen 3 corresponding to all the mirrors; the number of lines imaged on the display screen 3 is 750
  • the system performs a total of 25 scans of the scanning surface in a unit time of 1 second, forming a scanning projection frequency of the scanning surface 25 times per second.
  • an image projection system includes an illuminator, a multi-layer multi-face mirror 5 having 20 layers (four layers are shown), and 20 illuminators (four shown), respectively.
  • the number of each layer of the multi-layer multi-layer mirror is 54 (not clearly shown in the drawing, only 10 mirrors are shown as schematic explanation), and the entire polygon is more
  • the mirror of the layer is tapered, and the angles of inclination of any mirror are different from each other; the illuminator emits light at a frequency of 1920 times per unit of scanning per unit of illumination.
  • the light 4 emitted by the first illuminator 6 is reflected by the first mirror 11 of the first layer of the rotating mirror to the display screen 3 to form a scanning line of the first 1920 points, and the rotating mirror is rotated through the first mirror of the first layer.
  • the first illuminator emits a second mirror emitted from the first layer of the rotating mirror to the display screen 3 to form a second scanning line of 1920 points; the light emitted by the first illuminator sequentially completes the multi-layered multi-faceted surface
  • the first layer of the mirror is scanned for scanning, and 54 scanning lines are scanned on the display screen 3.
  • the first illuminator 6 After the first illuminator 6 completes the scanning of the first layer, the first illuminator 6 is turned off, and the second illuminator 7 is turned on. The light emitted by the second illuminator 7 is reflected by the second layer first mirror 21 of the rotating mirror to form a 55th scanning line. Like the first illuminator 6, the second illuminator 7 emits light in multiple edges. After the mirror is turned over one week, 54 scanning lines are also scanned; after the second illuminator 7 completes the second layer scanning, the second illuminator 7 is turned off, and the third illuminator 8 is turned on to start scanning the third layer of the multi-layer multi-layer mirror. The first mirror, ...
  • the fourth illuminator 9 is turned on to start scanning the multi-sided multi-layer mirror
  • the fourth layer mirror, ... the system sequentially completes the reflection scanning operation of 20 illuminators corresponding to the 20-layer mirror of the multi-layer multi-layer mirror, and displays a total of 1080 lines on the display screen 3 to form a scanning surface; A total of 30 scans of the scanning surface are completed in a unit of time per second, forming a scanning projection frequency of the scanning surface 30 times per second.
  • an image projection system has three illuminators, three multi-layer multi-layer mirrors, and two multi-layer multi-mirror mirrors each having 250 mirrors ( Not clearly shown in the drawing, only 10 mirrors are shown as schematic explanations, and the number of lines scanned is 750.
  • the angle of inclination of the single mirror of each layer with respect to the axis of rotation of the rotating mirror is different from that of the other mirrors of the same layer, and each illuminator corresponds to each mirror layer of the multi-layered multilayer mirror.
  • the illuminator illuminates the number of times the illuminator operates 800 times each time a scan line is formed.
  • the three illuminators 6, 7, 8 are simultaneously illuminated, and the illuminators 6, 7, 8 each emit light through the first layer of the first mirror 11 and the second layer of the first mirror 21 of the corresponding mirror layer,
  • the third layer first mirror 31 is reflected and scanned to the display screen 3 to form respective corresponding first row scan lines.
  • the illuminators 6, 7, 8 are each emitted.
  • the light is reflected and reflected by the first layer first mirror 12 and the second layer first mirror 22 of the corresponding mirror layer, and the third layer first mirror 32 is reflected and reflected to the display screen 3 to form corresponding second row scan lines.
  • the rotating mirror rotates in turn, and the light emitted by each illuminator is reflected by each corresponding layer mirror to form a scanning line on the display screen one by one. After the rotating mirror rotates one turn, all the illuminators are reflected on the display screen corresponding to all the mirrors.
  • 3 forms a complete image picture; the number of lines imaged on the display screen 3 is 750 lines, and the system performs a total of 25 scans of the scanning surface in a unit time of 1 second, forming a scan of the scanning surface 25 times per second. Projection frequency.
  • the illuminator illuminates 800 times per illuminator each time a scan line is formed.
  • an image projection system includes an illuminator, a multi-layer multi-face mirror 5 having 20 layers (four layers are shown), and 20 illuminators (four shown), respectively.
  • the number of each layer of the multi-layer multi-layer mirror is 54 (not clearly shown in the drawing, only 10 mirrors are shown as schematic explanation), and the entire polygon is more
  • the mirror of the layer is tapered, and the angles of inclination of any mirror are different from each other; the illuminator emits light at a frequency of 1920 times per unit of scanning per unit of illumination.
  • the light 4 emitted by the illuminators 6, 7, 8, 9 is reflected by the corresponding first mirrors 11, 21, 31, 41 of the rotating mirror 5 to the display screen 3 to form the respective first 1920 sites.
  • the rotating mirror 5 is rotated through the second mirrors 12, 22, 32, 42 of each layer.
  • the illuminators of the respective illuminators are reflected by the corresponding mirror of the rotating mirror, and the second mirror is reflected to the display screen 3 to form a second 1920 reflecting the corresponding layer.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Projection Apparatus (AREA)

Abstract

La présente invention décrit un système de projection d'image et son procédé fonctionnel. Le système comprend trois émetteurs de lumière ou plus, un miroir tournant présentant une structure à couches et à facettes multiples et un écran d'affichage, dans lequel chaque facette de la même couche du miroir tournant présente un angle différent d'inclinaison par rapport à l'axe de rotation du miroir tournant et chaque émetteur de lumière correspond à chaque couche du miroir tournant. En service, tout d'abord, la lumière émise du premier émetteur de lumière est réfléchie et balayée, par l'intermédiaire de la première facette de la première couche du miroir tournant, sur l'écran d'affichage, afin de former la première ligne de balayage de l'image à afficher. Ensuite, on pivote le miroir tournant de telle sorte que la lumière émise depuis le premier émetteur de lumière soit réfléchie et balayée sur l'écran d'affichage afin de former la seconde ligne de balayage. De fil en aiguille, la lumière émise séquentiellement depuis le premier émetteur de lumière forme, de ligne en ligne, une partie de l'image par l'intermédiaire de la totalité des facettes de la première couche du miroir tournant. Le premier émetteur de lumière est ensuite éteint et le second émetteur de lumière est allumé et, de manière similaire, une autre partie de l'image est formée par l'intermédiaire du second émetteur de lumière et de toutes les facettes de la seconde couche du miroir tournant. Ceci est réalisé de manière répétée de telle sorte que tous les émetteurs de lumière soient utilisés. L'invention présente l'avantage que le système possède un grand nombre de pixels et une définition supérieure à celle d'un système classique.
PCT/CN2005/001308 2004-11-19 2005-08-22 Systeme de projection d'image et son procede fonctionnel WO2006053475A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200410052302.X 2004-11-19
CNB200410052302XA CN100514174C (zh) 2004-11-19 2004-11-19 一种图像投影***及光工作方法

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WO2006053475A1 true WO2006053475A1 (fr) 2006-05-26

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US8275022B2 (en) 2007-03-06 2012-09-25 St-Ericsson Sa CDMA receivers and CDMA communications systems

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CN102692718B (zh) * 2011-03-24 2014-06-11 深圳雅图数字视频技术有限公司 一种投影***
CN104297928B (zh) * 2013-07-15 2017-03-01 台达电子工业股份有限公司 立体显示装置与应用其的投影方法
WO2017018211A1 (fr) * 2015-07-30 2017-02-02 京セラドキュメントソリューションズ株式会社 Dispositif de balayage de lumière et dispositif de formation d'image
US10400997B2 (en) * 2015-11-20 2019-09-03 Dai Nippon Printing Co., Ltd. Illumination device

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CN1383496A (zh) * 2000-04-05 2002-12-04 松下电器产业株式会社 彩色图像显示装置
CN1415994A (zh) * 2002-12-05 2003-05-07 宝鸡秦新电气有限公司 一次完成场扫描和行扫描的光偏转器及大面积图像放映设备
CN1438510A (zh) * 2003-01-08 2003-08-27 王青山 一种分区多行扫描式激光投影机
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JPS63217318A (ja) * 1987-03-05 1988-09-09 Canon Inc 光走査装置
US5585955A (en) * 1992-10-20 1996-12-17 E-Systems, Inc. Polygonal mirror optical scanning system
CN1383496A (zh) * 2000-04-05 2002-12-04 松下电器产业株式会社 彩色图像显示装置
US20020050562A1 (en) * 2000-08-18 2002-05-02 Masanori Yoshikawa Light scanner and image forming apparatus using the same
CN1444395A (zh) * 2002-03-07 2003-09-24 株式会社日立制作所 投影式图像显示设备
CN1415994A (zh) * 2002-12-05 2003-05-07 宝鸡秦新电气有限公司 一次完成场扫描和行扫描的光偏转器及大面积图像放映设备
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Publication number Priority date Publication date Assignee Title
US8275022B2 (en) 2007-03-06 2012-09-25 St-Ericsson Sa CDMA receivers and CDMA communications systems

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Publication number Publication date
CN100514174C (zh) 2009-07-15
CN1779548A (zh) 2006-05-31

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