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    • 53. 发明授权
    • Method of fabricating a light emitting device and light emitting device
    • 制造发光器件和发光器件的方法
    • US06777257B2
    • 2004-08-17
    • US10436440
    • 2003-05-13
    • Masayuki ShinoharaMasato Yamada
    • Masayuki ShinoharaMasato Yamada
    • H01L2100
    • H01L33/145H01L33/025
    • In the light emitting device having, a light emitting layer portion and a current spreading layer, respectively composed of a Group III-V compound semiconductor, formed on a single crystal substrate, the light emitting layer portion is formed on the single crystal substrate by the metal organic vapor-phase epitaxy process, and on such light emitting layer portion the current spreading layer is formed by the hydride vapor-phase epitaxy process. A high-concentration doped layer is also formed in a surficial area including the main surface on the electrode forming side of the current spreading layer, so as to have a carrier concentration of p-type dopant higher than that in the residual portion of the current spreading layer. A current blocking layer which comprises a Group III-V compound semiconductor having a conductivity type different from that of the current spreading layer is formed in the midway in the thickness-wise direction of the current spreading layer as being buried therein At least a portion of the current spreading layer covering the current blocking layer on the electrode side is formed by the hydride vapor-phase epitaxy process (the second vapor-phase growth step). The current spreading layer is composed of GaAs1-aPa (0.5≦a≦0.9). An off-angled substrate is available as the single crystal substrate.
    • 在具有形成在单晶衬底上的分别由III-V族化合物半导体构成的发光层部分和电流扩散层的发光器件中,在单晶衬底上形成发光层部分 金属有机气相外延工艺,并且在这种发光层部分上,通过氢化物气相外延工艺形成电流扩散层。 在包括电流扩展层的电极形成侧的主表面的表面区域也形成高浓度掺杂层,以使p型掺杂剂的载流子浓度高于电流剩余部分的载流子浓度 铺展层 在电流扩散层的厚度方向的中途形成埋入其中的具有导电类型不同于电流扩散层的III-V族化合物半导体的电流阻挡层。至少一部分 通过氢化物气相外延法(第二气相生长工序)形成覆盖电极侧的电流阻挡层的电流扩散层。 电流扩散层由GaAs1-aPa(0.5 <= a <= 0.9)组成。 偏斜基板可用作单晶基板。
    • 56. 发明授权
    • Asynchronous transfer mode exchange system and priority control method
    • 异步传输模式交换系统和优先级控制方法
    • US6104698A
    • 2000-08-15
    • US739173
    • 1996-10-30
    • Ruixue FanMasayuki Shinohara
    • Ruixue FanMasayuki Shinohara
    • H04Q3/00H04L12/70H04L12/807H04L12/865H04L12/877H04L12/911H04L12/56
    • H04L49/3081H04L49/205H04L2012/5632H04L2012/5651H04L2012/5672H04L49/30
    • A call reception control circuit 1 sets each guaranteed band width required for assuring communication quality of the respective band width demand classes in the corresponding N counter Nc, Ntv and Nv at a certain time interval Ts. The call reception control circuit 1 also sets values defined by the ratio of the W counter Wabr and Wubr of the respective best effort class to use the remained band width. The value 1 is subtracted from each value of the N counter Nc, Ntv and Nv and W counter Wabr and Wubr at every output of the cell from the corresponding class. A priority control process circuit 2 outputs cells to an output channel 3 according to priority levels giving a priority to the band width demand class having the value of the N counter not set to 0 over the band width demand class and the best effort classes having the value of the N counter set to 0.
    • 一个呼叫接收控制电路1以一定的时间间隔Ts设置在相应的N个计数器Nc,Ntv和Nv中确保各个带宽需求等级的通信质量所需的每个保证带宽。 呼叫接收控制电路1还设定由各个尽力分类的W计数器Wabr和Wubr的比率定义的值,以使用剩余的带宽。 从相应类的单元格的每个输出,从N个计数器Nc,Ntv和Nv以及W计数器Wabr和Wubr的每个值中减去值1。 优先权控制处理电路2根据优先权级别将单元输出到输出通道3,该优先级给出具有带宽需求类别的带宽需求类别,其中N个计数器的值不是在带宽需求类别上设置为0,并且具有 N计数器的值设置为0。
    • 57. 发明授权
    • Image display device with optical low-pass filter
    • 具有光学低通滤波器的图像显示装置
    • US5737042A
    • 1998-04-07
    • US521477
    • 1995-08-30
    • Masayuki ShinoharaShigeru Aoyama
    • Masayuki ShinoharaShigeru Aoyama
    • G02B27/46G02F1/1335G09F9/00
    • G02B27/46G02F1/133504
    • An image display device is so adapted as to eliminate both largest and next largest noise components. The image display device includes an image display body having a plurality of pixels arranged periodically in two dimensions and an optical low-pass filter placed on or above the front surface of the image display body. One of two cut-off spatial frequencies in at least one direction of the optical low-pass filter is set within a range of values greater than 1/4 and less than 3/4 of a specific sampling frequency (that having the second lowest frequency) among sampling frequencies determined by the pixel arrangement of the image display body, and the other of the two cut-off spatial frequencies is set within a range of values greater than 3/4 and less than 5/4 of the specific sampling frequency, where the specific sampling frequency is taken as being 1.
    • 图像显示装置适于消除最大和最大噪声分量。 图像显示装置包括具有二维周期性排列的多个像素的图像显示体和位于图像显示体的前表面上方的光学低通滤波器。 在光学低通滤波器的至少一个方向上的两个截止空间频率之一被设置在大于+ E,fra 1/4 + EE且小于+ E的值的范围内,3/4 + EE 具有由图像显示体的像素排列确定的采样频率中的特定采样频率(具有第二最低频率),并且两个截止空间频率中的另一个被设置在大于+ E的值的范围内, 3/4 + EE,小于+ E,以5/4 + EE为特定采样频率,其中采样频率为1。