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    • 14. 发明申请
    • WHITE LED
    • 白色LED
    • US20150090999A1
    • 2015-04-02
    • US14146097
    • 2014-01-02
    • Lung-Han PengYao-Te WangPo-Chun YehPo-Ting Lee
    • Lung-Han PengYao-Te WangPo-Chun YehPo-Ting Lee
    • H01L33/08H01L33/32H01L33/34H01L33/28
    • H01L33/08H01L33/26H01L33/32
    • A white LED is provided. The white LED includes a P-type layer, a tunneling structure, an N-type layer, an N-type electrode, and a P-type electrode. The tunneling structure is disposed over the P-type layer. The tunneling structure includes a first barrier layer, an active layer and a second barrier layer. The first barrier layer includes a first metal oxide layer. The active layer includes a second metal oxide layer. The second barrier layer includes a third metal oxide layer. The N-type layer is disposed over the tunneling structure. The N-type electrode and the P-type electrode are respectively contacted with the N-type layer and the P-type layer. An energy gap of the second metal oxide layer is lower than an energy gap of the first metal oxide layer and is lower than an energy gap of the third metal oxide layer.
    • 提供白色LED。 白色LED包括P型层,隧道结构,N型层,N型电极和P型电极。 隧道结构设置在P型层上。 隧道结构包括第一阻挡层,有源层和第二阻挡层。 第一阻挡层包括第一金属氧化物层。 有源层包括第二金属氧化物层。 第二阻挡层包括第三金属氧化物层。 N型层设置在隧道结构之上。 N型电极和P型电极分别与N型层和P型层接触。 第二金属氧化物层的能隙低于第一金属氧化物层的能隙,并且低于第三金属氧化物层的能隙。
    • 18. 发明授权
    • Phase-change material, memory unit and method for electrically storing/reading data
    • 相变材料,存储单元和用于电存储/读取数据的方法
    • US07884345B2
    • 2011-02-08
    • US12182644
    • 2008-07-30
    • Lung-Han PengSung-Li WangMeng-Kuei HsiehChien-Yu Chen
    • Lung-Han PengSung-Li WangMeng-Kuei HsiehChien-Yu Chen
    • H01L29/04
    • C23C14/0676H01L45/06H01L45/1233H01L45/126H01L45/145H01L45/1625Y10S438/90
    • A phase-change material and a memory unit using the phase-change material are provided. The phase-change material is in a single crystalline state and includes a compound of a metal oxide or nitroxide, wherein the metal is at least one selected from a group consisting of indium, gallium and germanium. The memory unit includes a substrate; at least a first contact electrode formed on the substrate; a dielectric layer disposed on the substrate and formed with an opening for a layer of the phase-change material to be formed therein; and at least a second contact electrode disposed on the dielectric layer. As the phase-change material is in a single crystalline state and of a great discrepancy between high and low resistance states, the memory unit using the phase-changed material can achieve a phase-change characteristic rapidly by pulse voltage and avert any incomplete reset while with a low critical power.
    • 提供了相变材料和使用该相变材料的存储单元。 相变材料为单晶状态,包括金属氧化物或氮氧化物的化合物,其中金属为选自铟,镓和锗的至少一种。 存储单元包括基板; 至少形成在所述基板上的第一接触电极; 介电层,其设置在所述基板上,并且形成有用于要形成在其中的所述相变材料层的开口; 以及设置在电介质层上的至少第二接触电极。 由于相变材料处于单晶状态,在高电阻状态和低电阻状态之间存在很大的差异,所以使用相变材料的存储器单元可以通过脉冲电压快速获得相变特性,并避免任何不完全复位 具有低临界功率。