Sistema de proyección láser basado en una pantalla luminiscente

    公开(公告)号:ES2382882T3

    公开(公告)日:2012-06-14

    申请号:ES06809406

    申请日:2006-09-26

    Abstract: Sistema de proyección láser que consiste en al menos una primera fuente (1) de luz láser, una pantalla (7) de proyección y un modulador (6) de luz espacial para proyectar un haz de láser de dicha primera fuente (1) de luz láser para formar una imagen sobre dicha pantalla (7) de proyección, comprendiendo dicha pantalla (7) de proyección una capa (9) luminiscente que tras la excitación por dicho haz de láser emite luz azul, caracterizado porque dicha capa (9) luminiscente contiene al menos uno de BaMgAl11O17:Eu o MSi6-aAlaN8-aOx+a:Eu2+ (siendo M = Sr, Ba, Ca; 0 x : 1; 0 : a : 1) como material luminiscente.

    2.
    发明专利
    未知

    公开(公告)号:DE602004018158D1

    公开(公告)日:2009-01-15

    申请号:DE602004018158

    申请日:2004-08-20

    Abstract: The invention relates to a semiconductor diode laser used to pump a waveguide and their use as light source. A waveguide laser ( 15 ) according to the present invention producing visible wavelength radiation from IR wavelength radiation comprising: a) at least one semiconductor diode laser or diode laser bar ( 8 ) producing IR wavelength radiation; b) at least one upconversion layer ( 13 a , 13 b , 13 c) having a thickness of at least 1 mum thicker than the thickness of the emitting layer in the semiconductor diode laser that converts the IR wavelength radiation into visible wavelengths by an upconversion process of photon absorption energy transfer followed by emission; c) at least one optical resonator which recirculates the visible wavelength radiation and/or at least one optical resonator which recirculates the IR wavelength radiation; whereby-the laser diode or laser diode bar and the upconversion layer(s) are arranged on the same substrate or each on a separate substrate ( 12, 14 );-the laser diode or laser diode bar and the upconversion layer(s) are adjacent arranged, whereby a gap between the adjacent arranged diode laser bar and the upconversion layer(s) is formed; or-the laser diode or laser diode bar and the upconversion layer(s) are contacting arranged in this order, and whereby the waveguide laser has a beam quality M2 of >=2 and

    4.
    发明专利
    未知

    公开(公告)号:DE602004014493D1

    公开(公告)日:2008-07-31

    申请号:DE602004014493

    申请日:2004-05-25

    Abstract: A circuit and a method for operation of a gas discharge lamp includes a switching transformer having a switch, a converter, inductor and a controller in a control loop for measuring a lamp voltage and setting a desired power. The switching transformer further includes a second control loop used for adjusting the switching transformer to individual lamp conditions.

    7.
    发明专利
    未知

    公开(公告)号:DE602005010122D1

    公开(公告)日:2008-11-13

    申请号:DE602005010122

    申请日:2005-12-19

    Abstract: The present invention is directed to a wavelength conversion layer (1) with a matrix layer (2) comprising embedded rare-earth-ion-doped micro-crystallites (3) and/or rare-earth-ion-doped amorphous particles, wherein said rare-earth-ion-doped micro crystallites and/or rare-earth-ion-doped amorphous particles are doped with at least one of the lanthanides, and wherein said rare-earth-ion-doped micro-crystallites and/or said doped amorphous particles have a mean diameter d50 of 10 nm to 500 müm, and wherein the matrix layer, is transparent, whereby the refractive indices of said rare-earth-ion-doped micro-crystallites and/or said rare-earth-ion-doped amorphous particles match the refractive indices of the matrix layer with an index fifference delta n such as: 0

    CIRCUIT AND METHOD FOR OPERATION OF A GAS DISCHARGE LAMP
    8.
    发明申请
    CIRCUIT AND METHOD FOR OPERATION OF A GAS DISCHARGE LAMP 审中-公开
    气体放电灯操作的电路和方法

    公开(公告)号:WO2004107823A3

    公开(公告)日:2005-01-20

    申请号:PCT/IB2004050770

    申请日:2004-05-25

    CPC classification number: H05B41/2882

    Abstract: The invention relates to a circuit (1) and a method for operation of a gas discharge lamp (3) with a switching transformer (2), which switching transformer comprises a switch (22), a converter inductor (24) and a control means (27) in a control loop (33) for measuring a lamp voltage and setting a desired power. In accordance with the invention, the switching transformer (2) comprises a second control loop (80). By means of the second control loop the switching transformer is adjustable to individual lamp conditions.

    Abstract translation: 本发明涉及一种用开关变压器(2)操作气体放电灯(3)的电路(1)和方法,该开关变压器包括开关(22),转换电感器(24)和控制装置 (27),用于测量灯电压并设定所需功率的控制回路(33)。 根据本发明,开关变压器(2)包括第二控制回路(80)。 通过第二个控制回路,开关变压器可以调节到单独的灯条件。

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