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    • 6. 发明申请
    • SEMICONDUCTOR MEMORY DEVICE AND SYSTEM
    • 半导体存储器件和系统
    • US20100195420A1
    • 2010-08-05
    • US12689040
    • 2010-01-18
    • Sung-dong SUHSeong-gu KimKyoung-ho HaSoo-haeng Cho
    • Sung-dong SUHSeong-gu KimKyoung-ho HaSoo-haeng Cho
    • G11C7/00
    • G11C8/18G11C29/023
    • A semiconductor memory system includes a memory controller and a memory. The memory controller includes a control signal converting unit converting a control signal into a converted control signal including n sequential clock pulses and a target clock pulse activated after a time period has elapsed from a start point of the n sequential clock pulses, and output the converted clock signal, and a controller transmitting unit converting the converted control signal into an optical signal, and transmitting the optical signal to the memory. The memory includes a memory receiving unit converting the optical signal into an electrical signal, and a control signal re-converting unit detecting the time period from the electrical signal, and converting the control signal into a control signal corresponding to the time period.
    • 半导体存储器系统包括存储器控制器和存储器。 存储器控制器包括控制信号转换单元,其将控制信号转换为包括n个连续时钟脉冲的转换控制信号和在从n个连续时钟脉冲的起始点经过时间段之后激活的目标时钟脉冲,并且输出转换的 时钟信号,以及将转换的控制信号转换为光信号的控制器发送单元,并将光信号发送到存储器。 存储器包括将光信号转换成电信号的存储器接收单元和从电信号检测时间段的控制信号重新转换单元,并将控制信号转换成对应于该时间段的控制信号。
    • 9. 发明授权
    • Vertical external cavity surface emitting laser (VECSEL) having modulating mirror and display apparatus employing the same
    • 具有调制反射镜的垂直外腔表面发射激光器(VECSEL)和采用该反射镜的显示装置
    • US07480321B2
    • 2009-01-20
    • US11513208
    • 2006-08-31
    • Soo-haeng Cho
    • Soo-haeng Cho
    • H01S3/081
    • H01S5/141H01S3/105H01S3/109H01S5/024H01S5/041H01S5/183H04N9/3132
    • A vertical external cavity surface emitting laser (VECSEL) having an improved mirror that forms an external cavity to modulate an emitted laser beam and display apparatus employing the same are provided. The VECSEL includes: a pumping light source; a laser chip that is excited by a pump beam emitted by the pumping light source to emit a laser beam of a predetermined wavelength; a folding mirror that is separated from the laser chip and is obliquely disposed relative to an axis of incident light emitted by the laser chip and converts the propagation path of an incident laser beam; a movable mirror unit facing the folding mirror and rotates so as to selectively reflect a laser beam reflected from the folding mirror to the folding mirror. The display apparatus includes: the VECSEL having the above-mentioned structure; a light scanning unit scanning light emitted by the VECSEL to create a planar image onto the screen; and a projection optical system that is disposed between the VECSEL and the screen and enlarges and projects a laser beam onto the screen.
    • 提供一种具有改进的反射镜的垂直外腔表面发射激光器(VECSEL),其形成用于调制发射的激光束的外部空腔和使用其的显示装置。 VECSEL包括:泵浦光源; 由泵浦光源发射的泵浦光束激发以发射预定波长的激光束的激光芯片; 与激光芯片分离并且相对于由激光芯片发射的入射光轴倾斜地设置并折射入射激光束的传播路径的折叠镜; 面向折叠反射镜并旋转的可移动镜单元,以便将从折叠镜反射的激光束选择性地反射到折叠镜。 显示装置包括:具有上述结构的VECSEL; 光扫描单元扫描由VECSEL发射的光以在屏幕上产生平面图像; 以及投影光学系统,其设置在VECSEL和屏幕之间,并将激光束放大并投影到屏幕上。