MULTI-STRIPE LASERS FOR LASER BASED PROJECTOR DISPLAYS

    公开(公告)号:EP3417611A1

    公开(公告)日:2018-12-26

    申请号:EP17753627.3

    申请日:2017-01-30

    申请人: Microvision, Inc.

    IPC分类号: H04N9/31

    摘要: A scanning projector and method is provided that that uses at least one multi-stripe laser to generate the laser light for the scanned image. Specifically, the multi-stripe laser includes at least a first laser element and a second laser element formed together on a semiconductor die. The first laser element is configured to output a first laser light beam, and the second laser element is configured to output a second laser light beam. At least one scanning mirror is configured to reflect the first laser light beam and the second laser light beam, and a drive circuit is configured to provide an excitation signal to excite motion of the at least one scanning mirror. Specifically, the motion is excited such that the at least one scanning mirror reflects the first laser light beam and the second laser light beam in a raster pattern of scan lines.

    MULTI-BEAM ELECTRON GUN FOR MONOCHROME CRT
    4.
    发明授权
    MULTI-BEAM ELECTRON GUN FOR MONOCHROME CRT 失效
    多束电子枪ONE彩色阴极射线管

    公开(公告)号:EP0635161B1

    公开(公告)日:1999-04-28

    申请号:EP94903276.7

    申请日:1993-11-19

    发明人: Chen, Hsing-Yao

    IPC分类号: H01J29/51 H01J29/48

    摘要: A multi-beam electron gun for use in a monochrome cathode ray tube (CRT) such as used in a black and white television receiver, a projection television receiver, or a computer monitor includes (G1) control (46) and (G2) screen grids (48) each having a plurality of vertically aligned apertures for forming electron beams which are deflected in unison across the CRT's display screen to simultaneously trace a plurality of vertically spaced, horizontal scan lines with each display screen sweep. The electron beams are deflected across the screen in a raster-like manner with each beam containing video information for each adjacent scan line. The (G1) control grid includes a plurality of discrete conductive portions each including a respective beam passing aperture and each coupled to a respective video signal source, with the video signal sources including memory for storing video signal information for subsequent display.

    MULTI-BEAM ELECTRON GUN FOR MONOCHROME CRT.
    5.
    发明公开
    MULTI-BEAM ELECTRON GUN FOR MONOCHROME CRT. 失效
    MEHRSTRAHL-ELEKTRONENKANONEFÜREINFARBIGEKATHODENSTRAHLRÖHRE。

    公开(公告)号:EP0635161A4

    公开(公告)日:1996-09-25

    申请号:EP94903276

    申请日:1993-11-19

    申请人: CHEN HSING YAO

    发明人: CHEN HSING-YAO

    摘要: A multi-beam electron gun for use in a monochrome cathode ray tube (CRT) such as used in a black and white television receiver, a projection television receiver, or a computer monitor includes (G1) control (46) and (G2) screen grids (48) each having a plurality of vertically aligned apertures for forming electron beams which are deflected in unison across the CRT's display screen to simultaneously trace a plurality of vertically spaced, horizontal scan lines with each display screen sweep. The electron beams are deflected across the screen in a raster-like manner with each beam containing video information for each adjacent scan line. The (G1) control grid includes a plurality of discrete conductive portions each including a respective beam passing aperture and each coupled to a respective video signal source, with the video signal sources including memory for storing video signal information for subsequent display.

    摘要翻译: 用于黑白电视接收机,投影电视接收机或计算机监视器的单色阴极射线管(CRT)的多光束电子枪包括G1控制和G2屏幕格栅,每个具有多个垂直 用于形成电子束的对齐孔径,其一起跨越CRT显示屏幕偏转,以同时跟踪每个显示屏扫描的多个垂直间隔开的水平扫描线。 电子束以栅格方式跨越屏幕偏转,每个波束包含每个相邻扫描线的视频信息。 G1控制网格包括多个分立的导电部分,每个分立的导电部分各自包括相应的光束通过孔径,并且各自耦合到相应的视频信号源,视频信号源包括用于存储用于随后显示的视频信号信息的存储器。 这允许多个相邻的扫描电子束在显示屏上同时提供视频图像的相同帧的相邻部分。 电子枪的主透镜部分中的格栅包括用于将每个电子束聚焦在显示屏上的垂直细长的公共孔,电子束由垂直取向的自会聚磁偏转轭偏转。 在另一个实施例中,G1格栅中的多个垂直对齐的孔中的每一个具有相关联的阴极,相应的视频信号提供给每个阴极,用于在视频显示器上的相邻水平扫描线上同时写入视频信息。

    CRT control system
    6.
    发明公开
    CRT control system 失效
    用于阴极射线管的控制系统。

    公开(公告)号:EP0207793A2

    公开(公告)日:1987-01-07

    申请号:EP86305150.4

    申请日:1986-07-02

    申请人: AZURAY, INC.

    IPC分类号: H04N3/22

    CPC分类号: H04L49/254 H04L49/40 H04N3/28

    摘要: There is described a picture quality control system for use with a multi-beam cathode ray tube raster scan display device (24). The display device generates an image comprising a multiplicity of parallel, nonoverlaping bands of pixels, each band of pixels comprising a set of parallel lines of pixels.
    The control system (26) includes a linearity correction circuit and a dynamic detwist correction circuit. The linearity oorrection circuit adjusts the distance between neighboring bands of pixels. The dynamic detwist correction circuit ad- juststhe relative positions of the electron beams generated by the cathode ray tube.

    High resolution video display system
    7.
    发明公开
    High resolution video display system 失效
    HochauflösendesBildwiedergabesystem。

    公开(公告)号:EP0181052A1

    公开(公告)日:1986-05-14

    申请号:EP85303574.9

    申请日:1985-05-21

    申请人: AZURAY, INC.

    IPC分类号: H04N5/68 H04N9/12

    CPC分类号: G09G1/20 H04N3/28

    摘要: There is provided a multi-beam raster scan video display system having a multi-beam cathode ray tube (12) for producing a plurality of beams for simultaneously writing a plur of scan lines. The tube has input terminals (15) for receiving a signal for each beam. There is also a multi-dimensional video memory (20-27) for storing video data for each beam, and a pixel splitter for simultaneously transferring video data from the video memory (20-27) for each said beam to the input terminals of the tube. In a preferred embodiment, the video memory means includes multi-bit storage for each said beam and the pixel splitter includes a digital-to-analog converter for each said beam which converts the multi-bit video data into a grey scale analog video signal. A multiport controller (13) for accessing the video memory has a first port for accessing the video memory while the tube is scanning and a second, lower priority port which provides access to specific pixels in the pixel memory.

    摘要翻译: 提供了具有多光束阴极射线管(12)的多光束光栅扫描视频显示系统,用于产生用于同时写入多个扫描线的多个光束。 该管具有用于接收每个光束的信号的输入端子(15)。 还存在用于存储每个光束的视频数据的多维视频存储器(20-27)和用于将每个所述光束的视频数据从视频存储器(20-27)同时传输到像素分割器的输入端的像素分割器 管。 在优选实施例中,视频存储装置包括用于每个所述光束的多位存储,并且像素分离器包括用于每个所述光束的数模转换器,其将多位视频数据转换成灰度模拟视频信号。 用于访问视频存储器的多端口控制器(13)具有用于在管正在扫描时访问视频存储器的第一端口和提供对像素存储器中的特定像素的访问的第二低优先级端口。

    IMAGE DISPLAY DEVICE COMPRISING A CATHODE RAY TUBE
    9.
    发明公开
    IMAGE DISPLAY DEVICE COMPRISING A CATHODE RAY TUBE 失效
    与阴极射线管图像显示装置

    公开(公告)号:EP0804852A1

    公开(公告)日:1997-11-05

    申请号:EP96935235.0

    申请日:1996-11-11

    IPC分类号: G09G1 H04N3 H04N5 H04N9

    CPC分类号: G09G1/20 H04N3/28 H04N9/20

    摘要: An image display device (1) which includes a cathode ray tube is provided with a cathode system (2) for the emission of a plurality of electron beams (3) whereby a phosphor screen (4) is scanned in order to display an image. The electron beams are modulated on the basis of an electronic image signal by means of a cathode modulator (5). The cathode modulator is arranged to scan different image lines simultaneously by means of separate electron beams. For example, the cathode modulator comprises an extension system (7) and a delay system (8) for deriving extended and delayed extended image line sections from image line sections of the electronic image signal. The cathode modulator also comprises a combination unit (9) for simultaneously supplying an extended image line section and a delayed image line section with which separate electron beams are modulated.

    Multi-beam group electron gun for color CRT
    10.
    发明公开
    Multi-beam group electron gun for color CRT 失效
    Mehrstrahl-ElektronenkanonefüreineFarbbildröhre。

    公开(公告)号:EP0666584A1

    公开(公告)日:1995-08-09

    申请号:EP94120620.3

    申请日:1994-12-23

    发明人: Chen, Hsing-Yao

    IPC分类号: H01J29/50 H04N3/28

    摘要: A multi-beam electron gun for a color cathode ray tube (CRT) includes a plurality of vertically spaced, horizontal inline beams, where each inline array of beams provides the three primary colors of red, green and blue and adjacent inline beam arrays simultaneously trace adjacent horizontal scan lines on the color CRT's display screen. The beams in each horizontal inline array of beams are focused on a common spot on the display screen, with the three beams deflected across the screen in unison. Each inline array of beams is modulated in accordance with that portion of the video image which they form allowing adjacent, vertically spaced inline arrays to write different video image information on the screen in simultaneously forming adjacent portions of the color video image. In the beam-forming region of the electron gun, a charged grid includes an array of apertures including at least upper and lower horizontally aligned apertures for passing inline arrays of beams. Vertical spacing between each of the upper and lower apertures is given by S V and horizontal spacing between vertically aligned groups of apertures is given by S H , where ¹/₂₀ S H ≦ S V ≦ ¹/₂ S H . Simultaneously providing color video image information on more than one horizontal scan line allows for a reduction in horizontal scan frequency and associated magnetic deflection yoke operating criteria, and also increases beam dwell time on the screen's phosphor elements allowing for a reduction in individual beam current without sacrificing video image brightness while improving video image resolution.

    摘要翻译: 用于彩色阴极射线管(CRT)的多光束电子枪包括多个垂直间隔的水平内联光束,其中每个线内阵列提供红色,绿色和蓝色三个原色以及相邻的在线光束阵列同时追踪 彩色CRT显示屏上的相邻水平扫描线。 梁的每个水平直列阵列中的光束聚焦在显示屏上的公共点上,三个光束一致地横过屏幕偏转。 根据它们形成的每个视频图像的一部分来调制每个线阵列,允许相邻的垂直间隔的在线阵列在屏幕上写入不同的视频图像信息,同时形成彩色视频图像的相邻部分。 在电子枪的波束形成区域中,带电栅格包括孔阵列,其包括至少上和下水平对准的孔,用于通过射线的线阵列。 每个上孔和下孔之间的垂直间距由SV给出,垂直对齐的孔组之间的水平间距由SH给出,其中同时在多于一个水平扫描线上提供彩色视频图像信息允许减少 水平扫描频率和相关的磁偏转线圈操作标准,并且还增加了屏幕的荧光体元件上的光束驻留时间,从而允许减少单个光束电流,而不牺牲视频图像亮度同时改善视频图像分辨率。