System and method for managing backlight luminance variations
    21.
    发明授权
    System and method for managing backlight luminance variations 有权
    用于管理背光亮度变化的系统和方法

    公开(公告)号:US08988011B2

    公开(公告)日:2015-03-24

    申请号:US12954134

    申请日:2010-11-24

    申请人: William Dunn

    发明人: William Dunn

    IPC分类号: H05B37/02 H05B33/08 G09G3/34

    摘要: An LED assembly containing separately-controllable regions of LEDs with temperature sensing devices placed to measure the temperature within each region of LEDs. When the temperature difference between two regions becomes higher than an acceptable maximum, the system may adjust the power to one or more LED regions to maintain luminance uniformity. The regions can be arranged vertically or horizontally or both. A software processor may be used to interpret the data from the temperature sensing devices and control the power sent to the various LED regions. Embodiments can be used at least in LED backlights for LCD displays or for LED displays.

    摘要翻译: LED组件包含具有温度感测装置的LED的单独可控区域,用于测量LED的每个区域内的温度。 当两个区域之间的温度差变得高于可接受的最大值时,系统可以将功率调整到一个或多个LED区域以保持亮度均匀性。 这些区域可以垂直或水平布置或两者。 可以使用软件处理器来解释来自温度感测装置的数据,并且控制发送到各个LED区域的功率。 至少在LCD显示器或LED显示器的LED背光中可以使用实施例。

    System for cooling an electronic image assembly with a heat exchanger having internal fans
    22.
    发明授权
    System for cooling an electronic image assembly with a heat exchanger having internal fans 有权
    用于具有内部风扇的热交换器来冷却电子图像组件的系统

    公开(公告)号:US08823916B2

    公开(公告)日:2014-09-02

    申请号:US13100580

    申请日:2011-05-04

    IPC分类号: G02F1/1333 G02F1/1335

    摘要: A system for cooling an electronic image assembly using a heat exchanger with an internal fan assembly. Circulating gas may also be used to cool a front portion of the electronic image assembly or any other internal cavity of the electronic display housing. The circulating gas may be drawn through a heat exchanger so that heat may be transferred to an ambient gas. The heat exchanger may have an internal fan assembly for drawing ambient air through the heat exchanger and exhausting it out of the display housing. The heat exchanger may be divided into two portions so that the fan assembly is placed between the two portions.

    摘要翻译: 一种使用具有内部风扇组件的热交换器来冷却电子图像组件的系统。 循环气体也可用于冷却电子图像组件的前部或电子显示器壳体的任何其它内部空腔。 循环气体可以通过热交换器被吸入,使得热可以转移到环境气体中。 热交换器可以具有内部风扇组件,用于将环境空气抽吸通过热交换器并将其从显示器壳体中排出。 热交换器可以被分成两部分,使得风扇组件被放置在两个部分之间。

    Thermal plate with optional cooling loop in electronic display
    24.
    发明授权
    Thermal plate with optional cooling loop in electronic display 有权
    电子显示屏上带有可选冷却回路的散热板

    公开(公告)号:US08497972B2

    公开(公告)日:2013-07-30

    申请号:US12630469

    申请日:2009-12-03

    IPC分类号: G02F1/1333

    摘要: An electronic display having one or more thermal plates in thermal communication with an image assembly and a thermally-conductive housing (and optional door frame). In some embodiments, the thermal plate is in thermal communication with the door frame which is in thermal communication with the housing. A channel may be defined between a transparent plate assembly and the image assembly where a fan may force cooling air through the channel. The cooling air may also pass through apertures in the thermal plate(s). An exemplary image assembly may provide an LED edge-lit LCD or an OLED display. In some embodiments, two displays may be provided in a back-to-back orientation within a single housing. The display may dissipate heat without the need to ingest ambient air.

    摘要翻译: 具有与图像组件和导热壳体(和可选的门框)热连通的一个或多个热板的电子显示器。 在一些实施例中,热板与与框架热连通的门框架热连通。 可以在透明板组件和图像组件之间限定通道,其中风扇可以迫使冷却空气通过通道。 冷却空气也可以通过热板中的孔。 示例性图像组件可以提供LED边缘照明LCD或OLED显示器。 在一些实施例中,可以在单个外壳内以背对背方向提供两个显示器。 显示器可能会散热而无需摄取环境空气。

    Shared isolated gas cooling system for oppositely facing electronic displays
    25.
    发明授权
    Shared isolated gas cooling system for oppositely facing electronic displays 有权
    用于面向对面的电子显示器的共用隔离气体冷却系统

    公开(公告)号:US08373841B2

    公开(公告)日:2013-02-12

    申请号:US12556029

    申请日:2009-09-09

    申请人: William Dunn

    发明人: William Dunn

    IPC分类号: G02F1/1333 G02F1/1347

    摘要: A system and method for cooling back to back electronic displays. Transparent first and second gas chambers are co-existive with the front display surfaces of the first and second electronic displays. A closed loop of isolated gas enters the first and second gas chambers and contacts the front surfaces of the electronic displays, where it may extract heat from the front display surfaces. The isolated gas is then directed into a cooling chamber where it is cooled and re-introduced into the first and second gas chambers. Fans may be used to propel the isolated gas through the cooling chamber and the first and second gas chambers. The circulating gas removes heat directly from the electronic display surfaces. The isolated gas is transparent or at least semi-transparent to ensure that the image quality of the electronic displays is minimally impacted.

    摘要翻译: 一种用于冷却背靠背电子显示器的系统和方法。 透明的第一和第二气室与第一和第二电子显示器的前显示表面共存。 隔离气体的闭环进入第一和第二气室并接触电子显示器的前表面,在那里可以从前显示表面提取热量。 然后将隔离的气体引导到冷却室中,在冷却室中冷却并重新引入第一和第二气体室。 风扇可用于通过冷却室和第一和第二气室推动隔离气体。 循环气体直接从电子显示面除去热量。 隔离气体是透明的或至少是半透明的,以确保电子显示器的图像质量受到最小的影响。

    SYSTEM AND METHOD FOR DYNAMIC LOAD SHARING BETWEEN ELECTRONIC DISPLAYS
    26.
    发明申请
    SYSTEM AND METHOD FOR DYNAMIC LOAD SHARING BETWEEN ELECTRONIC DISPLAYS 有权
    电子显示器之间的动态负载共享系统和方法

    公开(公告)号:US20130027370A1

    公开(公告)日:2013-01-31

    申请号:US13361305

    申请日:2012-01-30

    IPC分类号: G09G5/00

    摘要: A system and method for allocating power to a plurality of displays is disclosed. An exemplary system preferably includes an AC current sensor, a power load sharing controller, ambient light sensors for each display, and a brightness controller for each display. A maximum total current draw may be selected. The ambient light contacting each display may be measured and a corresponding desired brightness calculated. Depending on the present amount of current draw, the system determines if the displays can be driven at the desired brightness without exceeding the maximum total current draw. If yes, the displays are driven at their desired brightness. If no, the desired brightness for each display may be slightly reduced to prevent exceeding the maximum total current draw. Thus, as the ambient light varies between the displays, the available power may be shared.

    摘要翻译: 公开了一种用于向多个显示器分配电力的系统和方法。 示例性系统优选地包括AC电流传感器,电力负载共享控制器,用于每个显示器的环境光传感器,以及用于每个显示器的亮度控制器。 可以选择最大总电流消耗。 可以测量与每个显示器接触的环境光并计算相应的期望亮度。 根据目前的电流消耗量,系统确定显示器是否能够以所需亮度驱动,而不超过最大总电流消耗。 如果是,则显示器以其所需亮度驱动。 如果否,则每个显示器的期望亮度可能略微降低,以防止超过最大总电流消耗。 因此,随着环境光在显示器之间变化,可以共享可用功率。

    Resolving image / data mismatch via on-off pattern
    27.
    发明授权
    Resolving image / data mismatch via on-off pattern 失效
    通过开关模式解决图像/数据失配

    公开(公告)号:US08243109B2

    公开(公告)日:2012-08-14

    申请号:US12206372

    申请日:2008-09-08

    IPC分类号: G09G5/02

    CPC分类号: G06T3/4023

    摘要: A two-dimensional panel, particularly a liquid crystal display device, has a maximum display area with a width of (T×M) addressable channels. The addressable channels are addressed through a plurality of T source channel integrated circuits (ICs), with each source channel IC having M source channels. The number of addressable channels exceeds the number of channels of data in an image display data array having a width of W pixels, each pixel comprising P subpixels in the width dimension. The excess addressable channels are distributed symmetrically across the width dimension of the displayed image. In other embodiments the number of addressable channels is less than the number of channels of data and excess channels of data are excluded symmetrically across the width dimension of the displayed image. Further embodiments distribute excess addressable channels symmetrically across the height dimension or exclude excess channels of data symmetrically across the height dimension.

    摘要翻译: 二维面板,特别是液晶显示装置,具有宽度(T×M)可寻址通道的最大显示区域。 可寻址信道通过多个T源信道集成电路(IC)寻址,每个源信道IC具有M个源信道。 可寻址通道的数量超过具有W像素宽度的图像显示数据阵列中的数据通道数,每个像素包括宽度维度中的P个子像素。 多余的可寻址通道对称地分布在所显示图像的宽度尺寸上。 在其他实施例中,可寻址信道的数量小于数据信道的数量,并且跨越所显示的图像的宽度维度对称地排除数据的多余信道。 另外的实施例通过跨高度尺寸对称地分配多余的可寻址通道,或者跨过高度尺寸对称排除多余的数据通道。

    REDUNDANT BACKLIGHT FOR LIQUID CRYSTAL DISPLAYS
    28.
    发明申请
    REDUNDANT BACKLIGHT FOR LIQUID CRYSTAL DISPLAYS 审中-公开
    用于液晶显示器的冗余背光

    公开(公告)号:US20120147293A1

    公开(公告)日:2012-06-14

    申请号:US13159183

    申请日:2011-06-13

    申请人: William Dunn

    发明人: William Dunn

    IPC分类号: H05B37/02 G02F1/13357

    摘要: A redundant LED backlight and method for controlling the same. At least two plurality of LEDs are used to create a backlight where any individual set of LEDs may be driven at power level P to provide the desired overall luminance for the backlight. If two plurality of LEDs are used, then the LEDs may be driven simultaneously at one-half P during normal operations until a failure has been detected in one of the plurality of LEDs. In alternate embodiments, four plurality of LEDs may be used and driven simultaneously at one-fourth P during normal operations until a failure has been detected in one of the plurality of LEDs. The LEDs may be in edge-lit, direct-lit, or any combination of these two orientations. Upon failures, only one plurality of LEDs may be used to provide operation of the LED backlight and any associated LCD device.

    摘要翻译: 冗余LED背光及其控制方法。 使用至少两个多个LED来产生背光,其中可以以功率电平P驱动任何单个LED组,以提供用于背光的期望的整体亮度。 如果使用两个LED,则在正常操作期间可以以一半P同时驱动LED,直到在多个LED中的一个LED中检测到故障。 在替代实施例中,在正常操作期间可以在四分之一P处同时使用和驱动四个多个LED,直到在多个LED中的一个LED中检测到故障。 LED可能处于边缘照明,直接照明或这两个方向的任意组合。 在故障时,可以仅使用多个LED来提供LED背光和任何相关联的LCD装置的操作。

    MODULAR SYSTEM FOR CONTROLLING A LIQUID CRYSTAL DISPLAY
    29.
    发明申请
    MODULAR SYSTEM FOR CONTROLLING A LIQUID CRYSTAL DISPLAY 有权
    用于控制液晶显示的模块化系统

    公开(公告)号:US20120062804A1

    公开(公告)日:2012-03-15

    申请号:US13045272

    申请日:2011-03-10

    IPC分类号: H04N5/64 H04N5/60 H04N5/63

    摘要: A removable video module for a backlit liquid crystal display (LCD) contained within a chassis and having a timing and control board (TCON) with a board edge connector and an access opening in the chassis. The module preferably having a video input connection and means for generating a Low Voltage Differential Signaling (LVDS) video. The video module also preferably has a board edge connector adapted to connect with the board edge connector on the TCON, where the video module is adapted to fit through the access opening to connect with the TCON. Other embodiments may utilize a backplane where the video module and a power module are adapted to connect with the backplane and electrically communicate with the rest of the display. Outputs for either the video signal, power supply, or both may be provided so that a plurality of displays may be daisy-chained together.

    摘要翻译: 用于背光液晶显示器(LCD)的可移动视频模块,其包含在底盘内并具有带板边缘连接器和机箱中的进入开口的定时和控制板(TCON)。 模块优选地具有视频输入连接和用于产生低电压差分信号(LVDS)视频的装置。 视频模块还优选地具有适于与TCON上的板边缘连接器连接的板边缘连接器,其中视频模块适于通过访问开口配合以与TCON连接。 其他实施例可以利用背板,其中视频模块和电源模块适于与背板连接并与显示器的其余部分电连通。 可以提供用于视频信号,电源或两者的输出,使得多个显示器可以被菊花链连接在一起。

    SYSTEM AND METHOD FOR SELECTIVELY ENGAGING COOLING FANS WITHIN AN ELECTRONIC DISPLAY
    30.
    发明申请
    SYSTEM AND METHOD FOR SELECTIVELY ENGAGING COOLING FANS WITHIN AN ELECTRONIC DISPLAY 有权
    在电子显示器中选择性地冷却风扇的系统和方法

    公开(公告)号:US20120012300A1

    公开(公告)日:2012-01-19

    申请号:US13179996

    申请日:2011-07-11

    IPC分类号: G05D23/00 F28D15/00

    摘要: A system and method for cooling an electronic image assembly having a plurality of channels place behind the electronic image assembly. A first fan may be used to force cooling gas through a first grouping of channels while a second fan may be used to force cooling gas through a second grouping of channels. Temperature sensing devices may be positioned so as to measure the temperature of the first and second groupings of channels. The speeds of the first and second fans may be adjusted based on the temperature measurements of the channel groupings. Additional fans with additional temperature sensing devices may be used for further accuracy and control over the temperature gradients of the electronic image assembly. Manifolds may be used to distribute/collect cooling gas to/from the channels.

    摘要翻译: 一种用于冷却具有多个通道的电子图像组件的系统和方法,位于电子图像组件后面。 可以使用第一风扇来迫使冷却气体通过第一组通道,而第二风扇可以用于迫使冷却气体通过第二组通道。 温度感测装置可以被定位以便测量第一和第二组通道的温度。 可以基于通道分组的温度测量来调整第一和第二风扇的速度。 可以使用具有附加温度感测装置的附加风扇来进一步精确地控制电子图像组件的温度梯度。 歧管可用于向/从通道分配/收集冷却气体。