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    • 1. 发明授权
    • Tiled, flat-panel display having invisible seams
    • 平铺的平板显示屏具有不可见的接缝
    • US5661531A
    • 1997-08-26
    • US593759
    • 1996-01-29
    • Ray G. GreeneRobert H. KatylJ. Peter KrusiusChe-yu LiDonald P. SeraphimBoris Yost
    • Ray G. GreeneRobert H. KatylJ. Peter KrusiusChe-yu LiDonald P. SeraphimBoris Yost
    • G02F1/1333G02F1/1335
    • G02F1/133512G02F1/13336
    • The present invention features a tiled, substantially flat, panel display having the characteristic of visually imperceptible seams between the tiles for the intended viewing conditions, which include the perception thresholds of the human eye, the view distance, the display brightness and the level of the ambient light. The panel consists of an image source plane having spaced-apart pixels containing light-transmitting elements comprising single or multiple lightvalves. These lightvalves transmit monochromatic light, or primary color light spectra, for example, red, green and blue, in gray-scale and color displays, respectively. Each of the pixels is located along the image source plane at a uniform pitch greater than approximately 0.2 mm. Many adjacently-situated tiles are located in a plane in proximity to the image source plane. Secondary light rays can be controlled via light shields, aperture plates, masks and optical elements. The view angles of the tiled display may be further enhanced by using dispersive, optical elements such as microlens arrays. If desired, the brightness of the tiled display can be enhanced by increasing the backlight intensity or the collection of light by using optical, focusing elements such as microlens arrays.
    • 本发明的特征在于平铺的,基本平坦的面板显示器,其具有用于预期观看条件的瓷砖之间的视觉上不可察觉的接缝的特征,其包括人眼的感知阈值,视距,显示亮度和 环境光。 该面板包括具有间隔开的像素的图像源平面,其包含包含单个或多个光阀的透光元件。 这些光阀分别在灰度和彩色显示器上分别传输单色光或原色光谱,例如红色,绿色和蓝色。 每个像素以大于约0.2mm的均匀间距沿着图像源平面定位。 许多相邻的瓦片位于靠近图像源平面的平面中。 二次光线可以通过遮光罩,孔板,掩模和光学元件进行控制。 通过使用诸如微透镜阵列之类的色散的光学元件,可以进一步增强平铺显示器的视角。 如果需要,可以通过使用诸如微透镜阵列的光学,聚焦元件增加背光强度或收集光来增强平铺显示器的亮度。
    • 5. 发明授权
    • Correction methods for brightness in electronic display
    • 电子显示屏亮度校正方法
    • US06271825B1
    • 2001-08-07
    • US09173468
    • 1998-10-14
    • Raymond G. GreeneRobert H. KatylJ. Peter KrusiusBoris Yost
    • Raymond G. GreeneRobert H. KatylJ. Peter KrusiusBoris Yost
    • G09G510
    • G09G3/2092G09G2300/026G09G2320/0285G09G2320/043G09G2320/0626G09G2320/0666G09G2320/0693G09G2360/147H04N9/12
    • The present invention features methods and apparatus for the correction of spatial non-uniformities in brightness that arise from materials, manufacturing, operational and lighting parameter variations in electronic color, flat-panel displays. The methods apply both to gradual non-uniformities usually found in monolithic displays as well as to abrupt variations present in displays composed of a multitude of tiles. Corrections are performed on the electronic drive signals used to control the brightness of selected display pixels. Parameters required for these corrections are acquired via brightness measurements over selected pixels and stored after suitable transformations. The stored parameters are then used to scale and/or interpolate drive signals in real time. Corrections are performed such that any remaining gradual and abrupt brightness non-uniformities fall below the detectable threshold under the intended viewing conditions. The correction methods can also be used for correcting brightness non-uniformities arising from uneven aging of the display. Apparatus for an automatic self-calibrating function is also described.
    • 本发明的特征在于用于校正由电子颜色,平板显示器中的材料,制造,操作和照明参数变化引起的亮度空间不均匀性的方法和装置。 该方法既适用于通常在单片显示中发现的逐渐非均匀性,也适用于由多个瓦片组成的显示器中的突然变化。 对用于控制所选择的显示像素的亮度的电子驱动信号执行校正。 通过对所选像素的亮度测量获得这些校正所需的参数,并在合适的转换后存储。 然后使用存储的参数实时缩放和/或内插驱动信号。 执行校正,使得任何剩余的逐渐和突然的亮度不均匀性在预期观察条件下落在可检测阈值之下。 校正方法也可以用于校正由显示器不均匀老化引起的亮度不均匀性。 还描述了用于自动自校准功能的装置。
    • 7. 发明授权
    • Ballast fixture for fluorescent lighting
    • 镇流器用于荧光灯
    • US5908235A
    • 1999-06-01
    • US846195
    • 1997-04-28
    • James R. PetrozelloFletcher W. ChapinDavid W. DranchakRobert M. MurckoScott W. KnaussRobert H. KatylJohn R. Susko
    • James R. PetrozelloFletcher W. ChapinDavid W. DranchakRobert M. MurckoScott W. KnaussRobert H. KatylJohn R. Susko
    • H05B41/02F21V21/00
    • H05B41/02
    • The present invention features an integrated, electronic fluorescent ballast fixture which includes an electronic ballast packaged with a set of fluorescent lamp connectors into an integral fixture. The fixture has a circuit board that selectably supports up to four fluorescent lamps. The housing of the fixture id configured to receive a number of lamp connectors. The connectors are electrically, connected to the circuit board use wire and poke-in type connectors. When used with conventional, straight fluorescent lamps, a second set of sockets at the far end of the lamps are also connected to the circuit board using wires received in poke-in connector on the circuit board. The integrated ballast package also works with U-shaped lamps. The housing of the fixture is shaped to accommodate projecting electronic ballast components attached to the circuit board. The transformers and transistors of the circuit board may be thermally sinked, so that their heat is carried to the housing by thermally conductive means. The housing consists of two halves that are assembled together with snap-in action latches, making the fixture quickly and easily fabricated. The ballast fixture can be used with a wide variety of light fixtures because of its modularity, affording a high degree of universality.
    • 本发明的特征在于一种集成的电子荧光灯镇流器,其包括一个电子镇流器,该电子镇流器与一组荧光灯连接器一体化成一体的夹具。 该灯具具有可选择地支撑多达四个荧光灯的电路板。 固定装置的外壳被配置为接收多个灯连接器。 连接器电气连接到电路板上,使用导线和插入式连接器。 当与常规的直的荧光灯一起使用时,在灯的远端处的第二组插座也使用接在电路板上的插入式连接器中的导线连接到电路板。 集成的镇流器封装也可与U形灯一起使用。 固定装置的壳体被成形为容纳连接到电路板的突出的电子镇流器部件。 电路板的变压器和晶体管可以被散热,使得它们的热量通过导热装置被传送到壳体。 外壳由两个半部组成,与卡入动作闩锁组装在一起,使夹具快速轻松地制作。 镇流器夹具可以与各种灯具一起使用,因为它的模块化,提供了高度的普遍性。