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    • 2. 发明授权
    • Low cost backlight for NVIS compatible operation
    • 用于NVIS兼容操作的低成本背光
    • US08628206B1
    • 2014-01-14
    • US13234559
    • 2011-09-16
    • Joshua V. DavisSteven W. Kramer
    • Joshua V. DavisSteven W. Kramer
    • G09F13/08F21V9/04F21V13/08
    • G02F1/133603G02F2001/133626G02F2203/11
    • A night vision compatible backlight is disclosed. The backlight may include a base layer and a spacer layer. The spacer layer defines a plurality of arrays of openings, each includes a first set of openings and a second set of openings alternately distributed along the array. The backlight also includes a first set of LED modules electronically connected to the base layer through the first set of openings and a second set of LED modules electronically connected to the base layer through the second set of openings. The backlight further includes a filtering layer for providing infrared filtering for the second set of LED modules. The first set of LED modules and the second set of LED modules may be selectively energized to provide: a first mode where the first set of LED modules are energized, and a second mode where only the second set of LED modules are energized.
    • 公开了一种夜视兼容背光。 背光源可以包括基层和间隔层。 间隔层限定多个开口阵列,每个开口阵列包括第一组开口和沿阵列交替分布的第二组开口。 背光还包括通过第一组开口电连接到基底层的第一组LED模块和通过第二组开口电连接到基底层的第二组LED模块。 背光还包括用于为第二组LED模块提供红外滤波的滤光层。 第一组LED模块和第二组LED模块可以被选择性地激励以提供:第一模式,其中第一组LED模块被激励,以及第二模式,其中只有第二组LED模块被激励。
    • 3. 发明授权
    • Thin multimode tablet backlight
    • 薄型多模式平板电脑背光
    • US08827527B1
    • 2014-09-09
    • US13599466
    • 2012-08-30
    • Joshua V. DavisSteven W. Kramer
    • Joshua V. DavisSteven W. Kramer
    • F21V7/04F21V9/04
    • F21V9/04F21Y2103/10F21Y2105/10F21Y2105/12F21Y2115/10G02B6/0068G02B6/0073G02B6/0083
    • A multimode edge-light configured for providing reduced depth and improved multimode edge uniformity is provided. The multimode edge-light may be suitable for sun light readability and use with night vision goggles. The multimode edge-light includes a support base and a first and second set of light-emitting diode (LED) modules electronically connected to the support base. The first set of LED modules is positioned adjacent to the light guide, and the second set of LED modules is positioned separate from the light guide. The multimode edge-light also includes an infrared filter configured for filtering light from only the second set of LED modules positioned on a surface of the support base. In operation of the multimode edge-light, at least a portion of the first set of LED modules and at least a portion of the second set of LED modules are selectively energized for providing a plurality of operation modes.
    • 提供了一种多模式边缘光,其配置为提供减小的深度和改善的多模式边缘均匀性。 多模式边缘灯可能适合于太阳光的可读性,并适用于夜视镜。 多模边缘光包括支撑基座和电连接到支撑基座的第一和第二组发光二极管(LED)模块。 第一组LED模块定位成与导光板相邻,第二组LED模块与光导分离。 多模边缘光还包括被配置用于过滤来自仅位于支撑基座的表面上的第二组LED模块的光的红外滤光器。 在多模边缘光的操作中,第一组LED模块的至少一部分和第二组LED模块的至少一部分被选择性地激励以提供多种操作模式。
    • 4. 发明授权
    • Multimode display for NVIS compatible operation
    • 用于NVIS兼容操作的多模显示
    • US07924371B1
    • 2011-04-12
    • US12231221
    • 2008-08-29
    • Joshua V. Davis
    • Joshua V. Davis
    • G02F1/1335
    • G02F1/133603G02F2001/133624G02F2001/133626G02F2203/11
    • A multimode display for night vision imaging system (NVIS) compatible operation including a display assembly including a display subassembly having a display component; and, a backlight printed wiring board (PWB) assembly positioned behind the display subassembly. The backlight printed wiring board (PWB) assembly includes a printed wiring board (PWB). A top side mounted LED array is mounted on a first side of the printed wiring board (PWB) including a top side plurality of LEDs including a top side set of white LEDs. A reverse-mounted LED array is mounted on a second side of the printed wiring board (PWB) including a reverse-mounted plurality of LEDs including a reverse-mounted set of white LEDs. A dedicated primary IR filtering means is operatively associated with the reverse-mounted LED array for conditioning light emitted from the reverse-mounted LED array for NVIS compatible operation. In a day mode of operation the forward-side mounted LED array illuminates the display subassembly. In an NVIS mode of operation filtered light from the reverse-mounted LED array illuminates the display subassembly.
    • 一种用于夜视成像系统(NVIS)兼容操作的多模显示器,包括包括具有显示部件的显示子组件的显示组件; 以及位于显示子组件后面的背光印刷布线板(PWB)组件。 背光印刷电路板(PWB)组件包括印刷电路板(PWB)。 顶面安装的LED阵列安装在印刷布线板(PWB)的第一侧上,该印刷布线板包括顶侧多个LED,其包括顶侧白色LED组。 反向安装的LED阵列安装在印刷电路板(PWB)的第二侧,包括反向安装的多个LED,其包括反向安装的白色LED组。 专用的初级IR滤波装置与反向安装的LED阵列可操作地相关联,用于调节从反向安装的LED阵列发射的用于NVIS兼容操作的光。 在一天的操作模式中,正面安装的LED阵列照亮显示器组件。 在NVIS操作模式下,来自反向安装的LED阵列的滤光灯照亮显示器组件。
    • 5. 发明授权
    • Multi-mode LED edge-light for NVIS compatible operation
    • 用于NVIS兼容操作的多模式LED边缘灯
    • US08876326B1
    • 2014-11-04
    • US13227660
    • 2011-09-08
    • Joshua V. Davis
    • Joshua V. Davis
    • F21V9/08
    • F21V9/04F21Y2103/10F21Y2113/13F21Y2113/17F21Y2115/10G02B6/0068G02B6/0073
    • A night vision compatible edge-light is disclosed. The edge-light may include high efficiency white LEDs alternated with filtered multi-die or compact clustered color LEDs to provide a dual-mode configuration. For example, the filtered color LED modules may be energized in order to provide a night vision compatible mode of operation. That is, the filtered color LED modules may provide illumination so that the display is not only visible to unaided eyes, but also compatible with night vision equipment (e.g., night vision goggles) without adversely affecting the operation of the night vision equipment. On the other hand, the unfiltered white LED modules may be energized to provide illumination suitable for relatively bright operation conditions (e.g., in daylight or when sufficient ambient lights are available). Furthermore, both the white LEDs and the color LEDs may be energized simultaneously to enhance the day mode if so desired.
    • 公开了一种夜视兼容的边缘光。 边缘灯可以包括与经过滤的多芯片或紧凑型集群彩色LED交替的高效率白色LED以提供双模式配置。 例如,过滤的彩色LED模块可以被激励以提供夜视兼容的操作模式。 也就是说,过滤的彩色LED模块可以提供照明,使得显示器不仅对肉眼可见,而且与夜视设备(例如夜视镜)兼容,而不会对夜视设备的操作产生不利影响。 另一方面,未过滤的白色LED模块可以被通电以提供适合于相对明亮的操作条件的照明(例如,在日光下或当有足够的环境光可用时)。 此外,如果需要,白色LED和彩色LED都可以同时通电以增强日模式。