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    • 2. 发明授权
    • Video memory device for color-sequential-type displays
    • 用于彩色顺序型显示器的视频存储设备
    • US5710604A
    • 1998-01-20
    • US599568
    • 1996-02-09
    • Lester L. HodsonUlrich SkowronekCharles E. Primm
    • Lester L. HodsonUlrich SkowronekCharles E. Primm
    • H04N5/907
    • H04N5/907
    • A field emission device (10) includes a video memory device (12) that receives video data in parallel for each of three colors red, green, and blue. The video memory device (12) provides the video data in color sequential manner to a controller (14). The controller (14) provides appropriate control and data signals in response to the video data to drive a field emission device display (22). The video memory device has a first storage area (30) for a first color (red), a second storage area (32) for a second color (green), and a third storage area for a third color (blue). The second storage area (32) has capacity to store all of the second color of a frame, the first storage area (30) is two-thirds the size of the second storage area (32), and the third storage area (34) is one-third larger than the second storage area (32). The different sizes of the respective storage areas allows for 100% use of memory space without waste. Simultaneous writing into and reading from each storage area is performed in such a manner as to not lose any of the video data.
    • 场致发射装置(10)包括:对于红色,绿色和蓝色三种颜色中的每一种并行地接收视频数据的视频存储装置(12)。 视频存储设备(12)以彩色顺序的方式将视频数据提供给控制器(14)。 控制器(14)响应于视频数据提供适当的控制和数据信号以驱动场致发射设备显示(22)。 视频存储装置具有用于第一颜色(红色)的第一存储区域(30),用于第二颜色(绿色)的第二存储区域(32)和用于第三颜色(蓝色))的第三存储区域。 第二存储区域32具有存储帧的所有第二颜色的能力,第一存储区域30是第二存储区域32的大小的三分之二,第三存储区域34, 比第二存储区域(32)大三分之一。 各个存储区域的不同大小允许100%的使用内存空间而不浪费。 以不会丢失任何视频数据的方式执行从每个存储区域的同时写入和读取。
    • 3. 发明授权
    • Multimedia field emission device portable projector
    • 多媒体场致发射装置便携式投影机
    • US5521660A
    • 1996-05-28
    • US460376
    • 1995-06-02
    • Lester L. HodsonCharles E. PrimmKenneth G. Vickers
    • Lester L. HodsonCharles E. PrimmKenneth G. Vickers
    • G03B21/132G03B21/00
    • G03B21/132
    • A field emission display panel 20, 80, and 90 is used as a projection system. Display panel 90 can be used as a stand-alone projector. Alternatively, display panel 20 can be placed on a base 10 of a standard overhead projection system 60 and the image can be projected by a lens 50 onto a surface separated from display 20. In yet another embodiment, a lens system 70 can be attached to display panel 80 to project the image on a surface separated from display 80. Display panels 20, 80, and 90 operate at a increased luminance to facilitate projection of the images displayed on the panels. The use of FED display panels 20, 80, and 90 facilitates a projection system which has low power consumption, is portable, and interfaces to a computer.
    • 场致发射显示面板20,80和90用作投影系统。 显示面板90可以用作独立投影机。 或者,显示面板20可以放置在标准架空投影系统60的基座10上,并且图像可以由透镜50投影到与显示器20分离的表面上。在另一个实施例中,透镜系统70可以附接到 显示面板80将图像投影在与显示器80分离的表面上。显示面板20,80和90以增加的亮度操作,以便于显示在面板上的图像的投影。 使用FED显示面板20,80和90便于具有低功耗,便携式以及与计算机的接口的投影系统。
    • 5. 发明授权
    • Multimedia field emission device projection system
    • 多媒体场发射装置投影系统
    • US5669690A
    • 1997-09-23
    • US538328
    • 1995-10-03
    • Lester L. HodsonCharles E. Primm
    • Lester L. HodsonCharles E. Primm
    • G03B21/132G09G3/00G09G3/22H04N5/70H04N5/74H04N9/30H04N9/31H04N13/00G03B21/00
    • H04N13/0422G03B21/132G09G3/22H04N13/0434H04N13/0459H04N9/31G09G2310/0235G09G3/001H01J2329/00H04N5/70H04N9/30
    • A projection system is constructed using a field emission device 10. A single monochrome FED 10 can be used with projection system electronics 40 and lens 20 to create a monochrome picture on screen 30. Alternatively, a single monochrome FED 10 can project the proper image through color wheel 150 to create a color image which is projected by a lens 20 onto a separate surface 30. In yet another embodiment, a first FED 10 which projects a red image, a second FED 10 which projects a green image, and a third FED 10 which projects a blue image, and three clear focusing lenses 20 create a full color image on screen 30. In this configuration, if the three lenses 20 are colored red, green and blue, then the three FEDs 10 need only present the image data for each color in black, grey, and white. The FED projection system could also utilize a color FED 10 and a clear focusing lens 20 to create a full color image on screen 30. This full color FED 10 could create its color image by using red, green, and blue phosphor stripes 90 which are energized by its cathode 80 configured with full pixels or sub pixels 160. In another embodiment the FED projection system provides a three-dimensional display image on screen 30. The use of FED 10 facilitates a projection system which has low power consumption, reliable electronics, consumes less space, and interfaces to multimedia input signals 50.
    • 使用场致发射装置10构建投影系统。单个单色FED 10可以与投影系统电子装置40和透镜20一起使用以在屏幕30上创建单色图像。或者,单个单色FED 10可以投影正确的图像通过 色轮150以产生由透镜20投影到单独表面30上的彩色图像。在另一个实施例中,投射红色图像的第一FED 10,投影绿色图像的第二FED 10和投射绿色图像的第二FED 10以及第三FED 10,其投射蓝色图像,并且三个透明聚焦透镜20在屏幕30上创建全色图像。在该配置中,如果三个透镜20被着色为红色,绿色和蓝色,则三个FED 10仅需要呈现图像数据 对于每种颜色,黑色,灰色和白色。 FED投影系统还可以利用彩色FED10和透明聚焦透镜20在屏幕30上创建全色图像。该全彩色FED 10可以通过使用红色,绿色和蓝色荧光体条纹90来产生其彩色图像, 由其被配置有全像素或子像素160的阴极80激励。在另一个实施例中,FED投影系统在屏幕30上提供三维显示图像.FED 10的使用便于具有低功耗,可靠的电子器件的投影系统, 消耗较少的空间,并与多媒体输入信号50相连接。
    • 6. 发明授权
    • Dual mode overhead projection system using field emission device
    • 双模架空投影系统采用场发射装置
    • US5477284A
    • 1995-12-19
    • US356809
    • 1994-12-15
    • Robert H. TaylorCharles E. PrimmKenneth G. VickersLester L. Hodson
    • Robert H. TaylorCharles E. PrimmKenneth G. VickersLester L. Hodson
    • G03B21/132G03B21/00
    • G03B21/132Y10S353/03
    • A dual mode projection system 30 includes a standard field emission device (FED) display panel 44 within a projector base 32. In this way, the light source of a standard overhead projector is replaced by FED panel 44. FED panel 44 is positioned within projector base 32 such that the viewing surface of panel 44 is substantially flush with the top surface of projector base 32. Thus, in a first mode of this dual mode projection system 30, FED panel 44 provides the light source for projecting an image of graphics 48 printed on transparency 46 onto another surface such as a projection screen or wall. FED panel 44 is coupled via connector 36 in projector base 32 and signal cable 38 to host system 40. Host system 40 may comprise the processing unit of a standard notebook computer including a keyboard 42 for data entry. Display information created by the electronics in host system 40 is transmitted through cable 38 to FED display 44. An image 50 created on FED display 44 is projected via lens system 34 onto a large surface such as a screen or wall. The luminescence needed to display image 50 created by FED panel 44 onto a separate surface is provided by the FED panel 44, and no additional light source is required for this projection function. Thus, in the second mode of this dual mode projection system 30, FED panel 44 provides a display of computer-generated images projected onto another surface. The first and second operational modes may be combined to provide a concurrent transparency and computer-generated video display.
    • 双模式投影系统30包括在投影仪基座32内的标准场发射装置(FED)显示面板44.以这种方式,标准高架投影仪的光源被FED面板44代替.FED面板44位于投影仪 底座32使得面板44的观察表面基本上与投影仪基座32的顶表面齐平。因此,在该双模式投影系统30的第一模式中,FED面板44提供用于投影图形48的图像的光源 在透明体46上印刷到诸如投影屏幕或墙壁的另一表面上。 FED面板44经由投影仪基座32中的连接器36和信号电缆38耦合到主机系统40.主机系统40可以包括标准笔记本计算机的处理单元,其包括用于数据输入的键盘42。 由主机系统40中的电子设备创建的显示信息通过电缆38发送到FED显示器44.在FED显示器44上创建的图像50通过透镜系统34投影到诸如屏幕或墙壁的大表面上。 由FED面板44将FED面板44所形成的图像50所需的发光由FED面板44提供,并且对于该投影功能不需要额外的光源。 因此,在该双模投影系统30的第二模式中,FED面板44提供投影到另一表面上的计算机生成的图像的显示。 可以组合第一和第二操作模式以提供并发的透明度和计算机生成的视频显示。
    • 7. 发明授权
    • Power supply for use with switched anode field emission display
including energy recovery apparatus
    • 用于开关阳极场发射显示器的电源,包括能量回收装置
    • US5594305A
    • 1997-01-14
    • US472167
    • 1995-06-07
    • Charles E. PrimmGary Fourer
    • Charles E. PrimmGary Fourer
    • G09G3/22G09G3/10
    • G09G3/22G09G2310/0235G09G2330/023H01J2329/00
    • A switching power supply 38 for use in a switched anode, field emission flat panel display includes energy recovery modules 48.sub.R, 48.sub.G and 48.sub.B for recovering energy from each anode electrode 50.sub.R, 50.sub.G and 50.sub.B of the display as the voltage on the anode V.sub.A is switched from a high level to a low level, and for restoring this energy to the anode as the voltage is returned from the low level back to the high level. Each energy recovery module 48 includes a capacitor 62 for storing charge and an inductor 60 for storing energy. During the deactivation period of each anode electrode 50, dc source 40 is uncoupled from anode electrode 50 and energy is transferred from the anode electrode 50 to inductor 60, and subsequently from inductor 60 to storage capacitor 62. During the re-activation period, energy transfers from storage capacitor 62 to inductor 60 and anode electrode 50, and subsequently from inductor 60 to anode electrode 50. All of the recovered energy (minus the circuit losses) is returned to anode electrode 50. At this time, dc source 40 is recoupled to anode electrode 50, providing current thereto. The transfer and storage of energy, and its reuse when the anode electrode 50 is switched back to its high voltage state, allows the recovery of as much as eighty percent of the energy applied to the anode electrodes.
    • 用于开关式阳极的开关电源38,场致发射平板显示器包括能量回收模块48R,48G和48B,用于随着阳极VA上的电压被切换而从显示器的每个阳极电极50R,50G和50B中回收能量 从高电平到低电平,并且当电压从低电平返回到高电平时,将该能量恢复到阳极。 每个能量回收模块48包括用于存储电荷的电容器62和用于存储能量的电感器60。 在每个阳极电极50的去活化期间,直流源40与阳极电极50分离,能量从阳极50转移到电感器60,随后从电感器60转移到存储电容器62.在再激活期间,能量 从存储电容器62转移到电感器60和阳极电极50,然后从电感器60转移到阳极电极50.所有恢复的能量(减去电路损耗)返回到阳极电极50.此时,直流源40被重新耦合 到阳极电极50,提供电流。 当阳极电极50切换回其高电压状态时,能量的转移和储存以及其再利用允许回收施加到阳极电极的能量的多达百分之八十。
    • 9. 发明授权
    • Clustered field emission microtips adjacent stripe conductors
    • 集束场发射微带相邻条纹导体
    • US5556316A
    • 1996-09-17
    • US476776
    • 1995-06-07
    • Robert H. TaylorKenneth G. VickersBruce E. GnadeArthur M. WilsonCharles E. Primm
    • Robert H. TaylorKenneth G. VickersBruce E. GnadeArthur M. WilsonCharles E. Primm
    • H01J31/12H01J1/30H01J1/304H01J9/02H01J9/18
    • H01J1/3042H01J2201/319
    • The emitter plate 60 of a field emission flat panel display device includes a layer 68 of a resistive material and a mesh-like structure 62 of an electrically conductive material. A conductive plate 78 is also formed on top of resistive coating 68 within the spacing defined by the meshes of conductor 62. Microtip emitters 70, illustratively in the shape of cones, are formed on the upper surface of conductive plate 78. With this configuration, all of the microtip emitters 70 will be at an equal potential by virtue of their electrical connection to conductive plate 78. In one embodiment, a single conductive plate 82 is positioned within each mesh spacing of conductor 80; in another embodiment, four conductive plates 92 are symmetrically positioned within each mesh spacing of conductor 90. Also disclosed is an arrangement of emitter clusters comprising conductive plates 102 having a plurality of microtip emitters 104 formed thereon, or spaced therefrom by a thin layer of resistive material, each cluster adjacent and laterally spaced from a stripe conductor 100 by a region 106 of a resistive material. The conductive stripes 100 are substantially parallel to each other, are spaced from one another by two conductive plates 102, and are joined by bus regions 110 outside the active area of the display.
    • 场发射平板显示装置的发射极板60包括电阻材料层68和导电材料的网状结构62。 在由导体62的网格限定的间隔内,还在电阻涂层68的顶部形成导电板78.导电板78的上表面上形成了示意为锥体形状的微尖头发射体70。 通过它们与导电板78的电连接,所有微尖端发射器70将处于相等的电位。在一个实施例中,单个导电板82位于导体80的每个网格间隔内; 在另一个实施例中,四个导电板92对称地定位在导体90的每个网格间隔内。还公开了发射器​​簇的布置,其包括导电板102,其具有形成在其上的多个微尖端发射器104,或者通过薄层 材料,每个簇通过电阻材料的区域106与条状导体100相邻和横向间隔开。 导电条100基本上彼此平行,通过两个导电板102彼此隔开,并且通过显示器的有效区域外的总线区域110连接。
    • 10. 发明授权
    • Clustered field emission microtips adjacent stripe conductors
    • 集束场发射微带相邻条纹导体
    • US5536993A
    • 1996-07-16
    • US378331
    • 1995-01-26
    • Robert H. TaylorKenneth G. VickersBruce E. GnadeArthur M. WilsonCharles E. Primm
    • Robert H. TaylorKenneth G. VickersBruce E. GnadeArthur M. WilsonCharles E. Primm
    • H01J31/12H01J1/30H01J1/304H01J9/02
    • H01J1/3042H01J2201/319
    • The emitter plate 60 of a field emission flat panel display device includes a layer 68 of a resistive material and a mesh-like structure 62 of an electrically conductive material. A conductive plate 78 is also formed on top of resistive coating 68 within the spacing defined by the meshes of conductor 62. Microtip emitters 70; illustratively in the shape of cones, are formed on the upper surface of conductive plate 78. With this configuration, all of the microtip emitters 70 will be at an equal potential by virtue of their electrical connection to conductive plate 78. In one embodiment, a single conductive plate 82 is positioned within each mesh spacing of conductor 80; in another embodiment, four conductive plates 92 are symmetrically positioned within each mesh spacing of conductor 90. Also disclosed is an arrangement of emitter clusters comprising conductive plates 102 having a plurality of microtip emitters 104 formed thereon, or spaced therefrom by a thin layer of resistive material, each cluster adjacent and laterally spaced from a stripe conductor 100 by a region 106 of a resistive material. The conductive stripes 100 are substantially parallel to each other, are spaced from one another by two conductive plates 102, and are joined by bus regions 110 outside the active area of the display.
    • 场发射平板显示装置的发射极板60包括电阻材料层68和导电材料的网状结构62。 导电板78也形成在由导体62的网格限定的间隔内的电阻涂层68的顶部上。微尖端发射器70; 在导电板78的上表面上形成了锥形的形状。利用这种结构,所有的微尖端发射器70由于与导电板78的电连接而处于相等的电位。在一个实施例中, 单导电板82位于导体80的每个网格间隔内; 在另一个实施例中,四个导电板92对称地定位在导体90的每个网格间隔内。还公开了发射器​​簇的布置,其包括导电板102,其具有形成在其上的多个微尖端发射器104,或者通过薄层 材料,每个簇通过电阻材料的区域106与条状导体100相邻和横向间隔开。 导电条100基本上彼此平行,通过两个导电板102彼此隔开,并且通过显示器的有效区域外的总线区域110连接。