OPTICAL MODULATOR USING PHASE CHANGE MATERIAL AND DEVICE INCLUDING THE SAME

    公开(公告)号:US20180046056A1

    公开(公告)日:2018-02-15

    申请号:US15674103

    申请日:2017-08-10

    Abstract: Provided are optical modulators and devices including the optical modulators. The optical modulator may include an optical modulation layer that includes a phase change material. A first electrode may be provided on a first surface of the optical modulation layer. A second electrode may be provided on a second surface of the optical modulation layer. A first phase controlling layer may be provided, the first electrode being disposed between the first phase controlling layer and the optical modulation layer. A second phase controlling layer may be provided, the second electrode being disposed between the second phase controlling layer and the optical modulation layer. Each of the first and the second phase controlling layers may have an optical thickness corresponding to an odd multiple of λ/4, where λ is a wavelength of incident light to be modulated by the optical modulator. The optical modulator may further include at least one reflective layer. The optical modulation layer may have a thickness of about 10 nm or less. An operating voltage of the optical modulator may be about 10 V or less.

    METHOD AND DEVICE FOR ACQUIRING DISTANCE INFORMATION

    公开(公告)号:US20170184722A1

    公开(公告)日:2017-06-29

    申请号:US15209123

    申请日:2016-07-13

    CPC classification number: G01S17/32 G01S7/4915 G01S17/89

    Abstract: A method of acquiring distance information is provided. The method includes determining a projecting order of different projected lights to be sequentially projected onto an object, based on a position of the object and/or an external input, sequentially projecting the different projected lights onto the object in the determined projecting order, obtaining modulated reflected lights by modulating the reflected lights reflected by the object; and acquiring information about a distance between the device and the object based on the modulated reflected lights.

    CAMERA FOR MEASURING DEPTH IMAGE AND METHOD OF MEASURING DEPTH IMAGE
    25.
    发明申请
    CAMERA FOR MEASURING DEPTH IMAGE AND METHOD OF MEASURING DEPTH IMAGE 有权
    用于测量深度图像的相机和测量深度图像的方法

    公开(公告)号:US20160138910A1

    公开(公告)日:2016-05-19

    申请号:US14699068

    申请日:2015-04-29

    Abstract: A depth image measuring camera includes an illumination device configured to irradiate an object with light, and a light-modulating optical system configured to receive the light reflected from the object. The depth image measuring camera includes an image sensor configured to generate an image of the object by receiving light incident on the image sensor that passes through the light-modulating optical system. The light-modulating optical system includes a plurality of lenses having a same optical axis, and an optical modulator configured to operate in two modes for measuring a depth of the object.

    Abstract translation: 深度图像测量照相机包括被配置为用光照射物体的照明装置和被配置为接收从物体反射的光的光调制光学系统。 深度图像测量摄像机包括:图像传感器,被配置为通过接收入射到通过光调制光学系统的图像传感器上的光来产生对象的图像。 光调制光学系统包括具有相同光轴的多个透镜,以及配置成以两种模式操作的光调制器,用于测量物体的深度。

    3D IMAGE SENSOR MODULE AND ELECTRONIC APPARATUS INCLUDING THE SAME
    26.
    发明申请
    3D IMAGE SENSOR MODULE AND ELECTRONIC APPARATUS INCLUDING THE SAME 有权
    3D图像传感器模块和包括它的电子设备

    公开(公告)号:US20160100153A1

    公开(公告)日:2016-04-07

    申请号:US14734592

    申请日:2015-06-09

    Abstract: A three-dimensional (3D) image sensor device and an electronic apparatus including the 3D image sensor device are provided. The 3D image sensor device includes: a shutter driver that generates a driving voltage of a sine wave biased with a first bias voltage, from a loss-compensated recycling energy; an optical shutter that varies transmittance of reflective light reflected from a subject, according to the driving voltage, and modulates the reflective light to generate at least two optical modulation signals having different phases; and an image generator that generates 3D image data for the subject which includes depth information calculated based on a phase difference between the at least two optical modulation signals.

    Abstract translation: 提供三维(3D)图像传感器装置和包括3D图像传感器装置的电子设备。 3D图像传感器装置包括:快门驱动器,其从损失补偿的再循环能量产生用第一偏置电压偏置的正弦波的驱动电压; 根据驱动电压改变从被检体反射的反射光的透射率的光学快门,并且调制反射光以产生具有不同相位的至少两个光调制信号; 以及图像生成器,其生成所述被摄体的3D图像数据,所述图像数据包括基于所述至少两个光调制信号之间的相位差计算的深度信息。

    DEPTH IMAGE ACQUISITION APPARATUS AND METHOD OF ACQUIRING DEPTH INFORMATION
    27.
    发明申请
    DEPTH IMAGE ACQUISITION APPARATUS AND METHOD OF ACQUIRING DEPTH INFORMATION 审中-公开
    深度图像获取装置和获取深度信息的方法

    公开(公告)号:US20160065942A1

    公开(公告)日:2016-03-03

    申请号:US14622283

    申请日:2015-02-13

    Inventor: Yonghwa PARK

    CPC classification number: H04N13/271 G01S7/4816 G01S17/89 H04N13/254

    Abstract: A depth image acquisition apparatus and a method of acquiring depth information are provided. The method of acquiring depth information includes: sequentially projecting, to a subject, N different beams of light emitted from a light source for a time period including an idle time for each of the N different beams of transmitted light, where N is a natural number that is equal to or greater than 3; modulating, using a light modulation signal, beams of reflected light that are obtained by reflection of the N different beams from the subject; obtaining N phase images corresponding to the N different beams of light by capturing, using a rolling shutter method, the modulated beams of reflected light; and obtaining depth information by using the obtained N phase images.

    Abstract translation: 提供深度图像获取装置和获取深度信息的方法。 获取深度信息的方法包括:向被摄体发射N个从光源发射的N个不同光束的时间段,包括N个不同的透射光束中的每一个的空闲时间,其中N是自然数 等于或大于3; 使用光调制信号调制通过来自被摄体的N个不同光束的反射而获得的反射光束; 通过使用滚动快门法捕获经调制的反射光束,获得与N个不同光束相对应的N相图像; 并通过使用获得的N相图像来获得深度信息。

    LIGHT MODULATING APPARATUS AND METHOD OF DRIVING THE SAME
    28.
    发明申请
    LIGHT MODULATING APPARATUS AND METHOD OF DRIVING THE SAME 有权
    光调制装置及其驱动方法

    公开(公告)号:US20160062153A1

    公开(公告)日:2016-03-03

    申请号:US14810861

    申请日:2015-07-28

    CPC classification number: G02F1/01716 G02F1/0121 G02F2001/0155 G02F2203/12

    Abstract: Disclosed is a light modulating apparatus. The light modulating apparatus includes a pixel array including a plurality of pixels, a light modulating device that absorbs or transmit light incident on the pixel array according to an applied voltage, a flip-flop circuit that outputs a first voltage based on a device driving signal indicating a level of a second voltage applied to be applied to the light modulating device, and an amplifier that amplifies the first voltage to generate the second voltage and applies the second voltage to the light modulating device.

    Abstract translation: 公开了一种光调制装置。 光调制装置包括:包括多个像素的像素阵列;根据施加电压吸收或透射入射在像素阵列上的光的光调制装置;基于装置驱动信号输出第一电压的触发电路; 指示施加到光调制装置的第二电压的电平;以及放大器,放大第一电压以产生第二电压,并将第二电压施加到光调制装置。

    TRANSMISSIVE OPTICAL SHUTTER AND METHOD OF FABRICATING THE SAME
    29.
    发明申请
    TRANSMISSIVE OPTICAL SHUTTER AND METHOD OF FABRICATING THE SAME 审中-公开
    传输光学切换器及其制作方法

    公开(公告)号:US20160057404A1

    公开(公告)日:2016-02-25

    申请号:US14719850

    申请日:2015-05-22

    CPC classification number: H04N5/2254 G02F1/017 G02F2001/0155 H04N5/2257

    Abstract: A transmissive optical shutter and a method of fabricating the same are provided. The transmissive optical shutter includes a first contact layer, an epitaxial layer disposed over the first contact layer, the epitaxial layer being configured to modulate intensity of incident light having a specific wavelength, a second contact layer disposed on the epitaxial layer, a first electrode disposed on the first contact layer, at least one second electrode disposed on the second contact layer, and a substrate disposed under the first contact layer.

    Abstract translation: 提供了一种透射光学快门及其制造方法。 透射光学快门包括第一接触层,设置在第一接触层上的外延层,外延层被配置为调制具有特定波长的入射光的强度,设置在外延层上的第二接触层,设置在第一接触层上的第一电极 在第一接触层上,设置在第二接触层上的至少一个第二电极和设置在第一接触层下方的基板。

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