CURRENT-ACTUATED-DISPLAY BACKPLANE TESTER AND METHOD
    1.
    发明申请
    CURRENT-ACTUATED-DISPLAY BACKPLANE TESTER AND METHOD 审中-公开
    电流驱动显示背板测试仪及方法

    公开(公告)号:US20100237244A1

    公开(公告)日:2010-09-23

    申请号:US12408219

    申请日:2009-03-20

    IPC分类号: H01L31/00

    摘要: A backplane test system is provided that uses a pressed or deposited resistive film and infra-red (IR) imaging to visualize and quantify the current drive of pixels. In one form, the system is used for measuring organic light-emitting-diode (OLED) backplanes or other current-actuated-display (CAD) backplanes.

    摘要翻译: 提供了一种背板测试系统,其使用压制或沉积的电阻膜和红外(IR)成像来可视化和量化当前的像素驱动。 在一种形式中,该系统用于测量有机发光二极管(OLED)背板或其它电流驱动显示(CAD)背板。

    Ultrasonic imaging using thin film transistor backplane
    3.
    发明授权
    Ultrasonic imaging using thin film transistor backplane 有权
    超声波成像采用薄膜晶体管背板

    公开(公告)号:US08539837B2

    公开(公告)日:2013-09-24

    申请号:US12965784

    申请日:2010-12-10

    IPC分类号: G01N29/24

    摘要: An embodiment is a method and apparatus for coherent ultrasonic imaging. A receiver array has a plurality of receiver elements on a substrate to detect in-phase and quadrature components of a received signal corresponding to a transmit signal. Each of the receiver elements includes a receiver transducer and a thin-film transistor (TFT) receiver circuit. The TFT receiver circuit includes a quadrature detector having a mixer to mix a received signal with a reference signal in a composite bias signal that is distributed across the plurality of receiver elements. A transmitter is acoustically coupled to the plurality of receiver elements to generate the transmit signal through an imaging medium.

    摘要翻译: 一个实施例是用于相干超声成像的方法和装置。 接收器阵列在衬底上具有多个接收器元件,以检测对应于发射信号的接收信号的同相和正交分量。 每个接收器元件包括接收器换能器和薄膜晶体管(TFT)接收器电路。 TFT接收器电路包括正交检测器,该正交检测器具有混合器,以将接收的信号与分布在多个接收器元件上的复合偏置信号中的参考信号进行混合。 发射机声耦合到多个接收机元件以通过成像介质产生发射信号。

    LARGE-AREA ULTRASOUND CONTACT IMAGING
    4.
    发明申请
    LARGE-AREA ULTRASOUND CONTACT IMAGING 有权
    大面积超声联系成像

    公开(公告)号:US20120147698A1

    公开(公告)日:2012-06-14

    申请号:US12965793

    申请日:2010-12-10

    IPC分类号: G03B42/06 G01S15/89

    摘要: An embodiment is a method and apparatus for ultrasonic contact imaging. A thin-film transistor (TFT) array is deposited on a substrate. A receiver having a plurality of receiver elements is deposited on the TFT array to receive a received signal. A transmitter adjacent to the receiver generates a transmit signal at an ultrasonic frequency. The transmit signal is reflected from a surface to produce a reflected signal. The received signal is a superposition of the transmit signal and the reflected signal as result of interference. The received signal is representative of differences in acoustic impedances across the surface.

    摘要翻译: 一个实施例是用于超声接触成像的方法和装置。 薄膜晶体管(TFT)阵列沉积在衬底上。 具有多个接收器元件的接收器被沉积在TFT阵列上以接收接收的信号。 与接收机相邻的发射机以超声波频率产生发射信号。 发射信号从表面反射以产生反射信号。 接收到的信号是由干扰引起的发射信号和反射信号的叠加。 接收到的信号代表跨越表面的声阻抗的差异。

    Large-area ultrasound contact imaging
    5.
    发明授权
    Large-area ultrasound contact imaging 有权
    大面积超声接触成像

    公开(公告)号:US09259961B2

    公开(公告)日:2016-02-16

    申请号:US12965793

    申请日:2010-12-10

    摘要: An embodiment is a method and apparatus for ultrasonic contact imaging. A thin-film transistor (TFT) array is deposited on a substrate. A receiver having a plurality of receiver elements is deposited on the TFT array to receive a received signal. A transmitter adjacent to the receiver generates a transmit signal at an ultrasonic frequency. The transmit signal is reflected from a surface to produce a reflected signal. The received signal is a superposition of the transmit signal and the reflected signal as result of interference. The received signal is representative of differences in acoustic impedances across the surface.

    摘要翻译: 一个实施例是用于超声接触成像的方法和装置。 薄膜晶体管(TFT)阵列沉积在衬底上。 具有多个接收器元件的接收器被沉积在TFT阵列上以接收接收的信号。 与接收机相邻的发射机以超声波频率产生发射信号。 发射信号从表面反射以产生反射信号。 接收到的信号是由干扰引起的发射信号和反射信号的叠加。 接收到的信号代表跨越表面的声阻抗的差异。

    ULTRASONIC IMAGING USING THIN FILM TRANSISTOR BACKPLANE
    6.
    发明申请
    ULTRASONIC IMAGING USING THIN FILM TRANSISTOR BACKPLANE 有权
    超薄成像使用薄膜晶体管背板

    公开(公告)号:US20120144920A1

    公开(公告)日:2012-06-14

    申请号:US12965784

    申请日:2010-12-10

    IPC分类号: G01N29/00

    摘要: An embodiment is a method and apparatus for coherent ultrasonic imaging. A receiver array has a plurality of receiver elements on a substrate to detect in-phase and quadrature components of a received signal corresponding to a transmit signal. Each of the receiver elements includes a receiver transducer and a thin-film transistor (TFT) receiver circuit. The TFT receiver circuit includes a quadrature detector having a mixer to mix a received signal with a reference signal in a composite bias signal that is distributed across the plurality of receiver elements. A transmitter is acoustically coupled to the plurality of receiver elements to generate the transmit signal through an imaging medium.

    摘要翻译: 一个实施例是用于相干超声成像的方法和装置。 接收器阵列在衬底上具有多个接收器元件,以检测对应于发射信号的接收信号的同相和正交分量。 每个接收器元件包括接收器换能器和薄膜晶体管(TFT)接收器电路。 TFT接收器电路包括正交检测器,该正交检测器具有混合器,以将接收的信号与分布在多个接收器元件上的复合偏置信号中的参考信号进行混合。 发射机声耦合到多个接收机元件以通过成像介质产生发射信号。

    VARIABLE ACOUSTIC GRATING BASED ON CHANGING ACOUSTIC IMPEDANCES
    9.
    发明申请
    VARIABLE ACOUSTIC GRATING BASED ON CHANGING ACOUSTIC IMPEDANCES 有权
    基于改变声学阻抗的可变声音光栅

    公开(公告)号:US20120146745A1

    公开(公告)日:2012-06-14

    申请号:US12965796

    申请日:2010-12-10

    IPC分类号: H03H9/00

    CPC分类号: G10K11/30 G02B6/34

    摘要: An embodiment is a variable acoustic grating. Each of the local grating structures in an array of local grating structures has a variable impedance such that the impedance is modified, steering an ultrasonic signal impinging on the array in a reflection or transmission mode through a medium.

    摘要翻译: 一个实施例是可变声光栅。 局部光栅结构阵列中的每个局部光栅结构具有可变阻抗,使得阻抗被修改,通过介质以反射或透射模式控制撞击在阵列上的超声波信号。