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    • 3. 发明专利
    • Optoelectronic device having heterojunction
    • 具有异常的光电器件
    • JP2012099807A
    • 2012-05-24
    • JP2011226928
    • 2011-10-14
    • Alta Devices Incアルタ デバイセズ,インコーポレイテッドAlta Devices,Inc.
    • HUI NIEBRENDAN M KAYESKIZILYALLI ISIK C
    • H01L31/04
    • H01L31/0735H01L31/022441H01L31/1896Y02E10/52Y02E10/544
    • PROBLEM TO BE SOLVED: To provide a gallium arsenide-based battery having an n-type laminate arranged on a p-type laminate so that the n-type laminate faces the front or the sun side and the p-type laminate lies on the rear surface of the battery.SOLUTION: An optoelectronic semiconductor device 90 has an absorbing layer 108 made of gallium arsenide (GaAs) and having only one kind of doping. An emitter layer 110 is arranged nearer to the rear surface of the device than the absorbing layer 108, and is made of a material different from that of the absorbing layer 108 and has a band gap larger than that of the absorbing layer 108. A heterojunction is formed between the emitter layer 110 and the absorbing layer 108 and a p-n junction is formed between the emitter layer 110 and the absorbing layer 108 at a position offset from the heterojunction at least partially within a range of the different material. In response to the fact that the device is exposed to the light on the front thereof, the p-n junction generates a voltage in the device.
    • 要解决的问题:为了提供一种具有布置在p型层压体上的n型层压体的砷化镓基电池,使得n型层压体面向正面或太阳侧,并且p型层压体位于 在电池的后表面。 解决方案:光电半导体器件90具有由砷化镓(GaAs)制成并且仅具有一种掺杂的吸收层108。 发射极层110布置成比吸收层108更靠近器件的后表面,并且由与吸收层108的材料不同的材料制成并且具有比吸收层108的带隙大的带隙。异质结 形成在发射极层110和吸收层108之间,并且在至少部分地在不同材料的范围内的偏离异质结的位置处在发射极层110和吸收层108之间形成pn结。 响应于设备暴露在其前面的光的事实,p-n结在器件中产生电压。 版权所有(C)2012,JPO&INPIT