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    • 10. 发明申请
    • ELECTROLUMINESCENT SOLID STATE DEVICE
    • 电致发光固体状态器件
    • WO00016454A1
    • 2000-03-23
    • PCT/US1999/021585
    • 1999-09-17
    • H01S3/0959H01S3/16
    • H01S3/16H01S3/0959H01S3/1603
    • An electroluminescent solid state device (10) includes an active body member (20) that is formed of a single crystalline metal oxide, such as aluminum oxide, that is doped with a rare earth element, such as erbium and/or terbium and an activator atom such as oxygen and/or fluorine. The metal oxide body member (20) is electron excited by kinetic electrons that are emitted by a cold cathode (24). The ends of the metal oxide body member are polished to form a Fabry-Perot resonator, thus providing for coherent radiation from the device. As an alternative to the use of a Fabry-Perot cavity, an acoustic wave generator (200) is associated with the metal oxide body member in order to launch acoustic waves into the body member. The frequency of energization of the acoustic wave generator (200) operates to select a radiation wavelength from one or more emission wavelengths that are produced by doping the metal oxide body member with one or more rare earth elements. In an embodiment of the invention the active body member is a thin film (602) that is about 1 micron thick wherein kinetic electrons are injected into the thin film (602) by operation of a high magnitude electrical field that is in the range of from about 10(6) to 10(7) volts per centimeter.
    • 电致发光固态器件(10)包括由诸如氧化铝的单晶金属氧化物形成的有源体部件(20),其掺杂有诸如铒和/或铽的稀土元素和激活剂 原子如氧和/或氟。 金属氧化物体构件(20)由被冷阴极(24)发射的动电子电子激发。 抛光金属氧化物本体构件的端部以形成法布里 - 珀罗谐振器,从而提供来自该装置的相干辐射。 作为使用法布里 - 珀罗腔的替代方案,声波发生器(200)与金属氧化物本体构件相关联,以将声波发射到主体构件中。 声波发生器(200)的通电频率用于从通过用一种或多种稀土元素掺杂金属氧化物本体构件产生的一个或多个发射波长来选择辐射波长。 在本发明的一个实施方案中,活性体部件是大约1微米厚的薄膜(602),其中动电子被注入到薄膜(602)中,通过操作大范围的电场 约10(6)至10(7)伏/厘米。