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    • 6. 发明申请
    • LIGHT EMITTING DIODE ARRAYS FOR DIRECT BACKLIGHTING OF LIQUID CRYSTAL DISPLAYS
    • 用于液晶显示器直接背光的发光二极管阵列
    • WO2006071494A1
    • 2006-07-06
    • PCT/US2005/044805
    • 2005-12-09
    • CREE, INC.NEGLEY, Gerald H.VAN DE VEN, Antony P.HILLER, Norbert
    • NEGLEY, Gerald H.VAN DE VEN, Antony P.HILLER, Norbert
    • G02F1/13357F21V7/04F21V7/20
    • G02F1/133603G02F1/133605G02F2001/133628
    • A display panel for a flat panel display (600) includes a planar array (110) of LCD devices and a planar array (120) of LED devices (130) that is aligned and closely spaced apart from the planar array of LCD devices, at least some of the LED devices being disposed within the periphery (110a) of the array of LCD devices. The planar array of LED devices can include at least one solid metal block (500) having first (500a) and second (500b) opposing metal faces. The first metal face (500a) includes therein an array of reflector cavities (518), and the second metal face (500b) includes therein heat sink fins (530) that are exposed at the back face of the flat panel display, so as to dissipate heat generated by the LED devices (130). At least one LED device (130) is mounted in each reflector cavity (510). The reflector cavities (510) reflect light emitted by the LED devices (130) along the optical paths (140), so as to provide direct backlight to the LCD display panel.
    • 用于平板显示器(600)的显示面板包括LCD装置的平面阵列(110)和与LCD装置的平面阵列对准并紧密地间隔开的LED装置(130)的平面阵列(120),在 至少一些LED器件设置在LCD器件阵列的外围(110a)内。 LED器件的平面阵列可以包括具有第一(500a)和第二(500b)相对的金属面的至少一个固体金属块(500)。 第一金属面(500a)包括反射器空腔(518)阵列,第二金属面(500b)包括在平板显示器的背面露出的散热片(530),以便 散发由LED器件(130)产生的热量。 至少一个LED装置(130)安装在每个反射器空腔(510)中。 反射器空腔(510)沿着光路(140)反射由LED器件(130)发射的光,以便向LCD显示面板提供直接的背光。
    • 8. 发明申请
    • CONTROL DEVICE FOR CONTROLLING ONE OR MORE CHARACTERISTIC OF LIGHT EMITTED FROM A LIGHTING DEVICE, AND LIGHTING DEVICES THAT INCLUDE CONTROL DEVICES
    • WO2021079198A1
    • 2021-04-29
    • PCT/IB2020/020067
    • 2020-10-22
    • CHAN, CalvinVAN DE VEN, Antony P.
    • CHAN, CalvinVAN DE VEN, Antony P.
    • H05B33/08
    • A control device(100, 250, 300, 400) comprising a component(101, 251, 301, 501, 601) configured to receive RDS radio wave signals and circuitry(102, 302, 402, 502, 602) configured to adjust, during at least part of a day, at least one of (1) a color point of light emitted from a lighting device(500, 600, 120, 130, 140, 177, 187, 190, 200, 211, 220, 230) and (2) a brightness of light emitted from the lighting device(500, 600, 120, 130, 140, 177, 187, 190, 200, 211, 220, 230), based on at least RDS time of day radio wave signals received by the first component(101, 251, 301, 501, 601). Also, a control device(100, 250, 300, 400) configured to automatically switch, based on a current local time, among modes such that during at least a first time range, the control device(100, 250, 300, 400) is in a first brightness/color point relationship mode (in which adjusting the brightness of light emitted from said lighting device(500, 600, 120, 130, 140, 177, 187, 190, 200, 211, 220, 230) does not prompt the control device(100, 250, 300, 400) to cause the lighting device(500, 600, 120, 130, 140, 177, 187, 190, 200, 211, 220, 230) to make any change in the color point), and during at least a second time range, the control device(100, 250, 300, 400) is in a second brightness/color point relationship mode (in which the color point of light emitted from the lighting device(500, 600, 120, 130, 140, 177, 187, 190, 200, 211, 220, 230) depends on the brightness of light emitted from the lighting device(500, 600, 120, 130, 140, 177, 187, 190, 200, 211, 220, 230)). Also, a control device(100, 250, 300, 400) comprising circuitry(101, 251, 301, 501, 601) configured to cause a lighting device(500, 600, 120, 130, 140, 177, 187, 190, 200, 211, 220, 230) to automatically change the color point of light emission, to emit light of different correlated color temperatures during specific time periods. Also, a control device(100, 250, 300, 400) comprising at least a first component(101, 251, 301, 501, 601) that is configured to receive RDS radio wave signals, and circuitry(101, 251, 301, 501, 601) configured to adjust, during at least part of a day, a brightness of light emitted from a lighting device(500, 600, 120, 130, 140, 177, 187, 190, 200, 211, 220, 230), based on at least RDS time of day radio wave signals received by the first component(101, 251, 301, 501, 601). Also lighting devices(500, 600, 120, 130, 140, 177, 187, 190, 200, 211, 220, 230) comprising such control devices(100, 250, 300, 400) and/or circuitry(101, 251, 301, 501, 601).