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    • 2. 发明申请
    • HIGH SPEED ACQUISITION VISION SYSTEM AND METHOD FOR SELECTIVELY VIEWING OBJECT FEATURES
    • 高速采集视觉系统和用于选择性地查看对象特征的方法
    • WO2012021271A3
    • 2012-04-26
    • PCT/US2011044690
    • 2011-07-20
    • PHOTON DYNAMICS INCBORDENYUK ANDREY
    • BORDENYUK ANDREY
    • G01B11/24G01B9/04
    • G01J1/0214G02B21/10G02B21/365G02B27/0018
    • System and method for selectively viewing features of objects, including features hidden under non-transparent materials. The system includes: illuminating light source producing illuminating light having controlled angular spectrum; homogenizing optics for spatial intensity modulation of illumination light; dephasing optics to reduce or suppress interference pattern in image due to the coherence of illumination light; infinity corrected objective directing the illuminating light on the object and collecting light from the object; illumination optical path delivering the illuminating light from the illuminating light source to infinity-corrected objective; relay optics for introducing necessary tilt angle for rays of the illuminating light entering the infinity corrected objective; adjustable iris vignetting free aperture of optical fiber; apodizing element within relay optics for spatial modulation of illumination intensity; image sensor for creating image of object; and imaging optical path for delivering light from object to image sensor, which includes tube lens, removable block and adjustable iris.
    • 用于选择性地查看对象的特征的系统和方法,包括隐藏在不透明材料下的特征。 该系统包括:照明光源,产生具有受控角谱的照明光; 用于照明光的空间强度调制的均化光学器件; 由于照明光的相干性而使光学相移以减少或抑制图像中的干涉图案; 无穷远校正物镜,将照明光引导到物体上并从物体收集光; 将来自照明光源的照明光照射到无穷远校正物镜的照明光路; 中继光学器件,用于为进入无穷远校正物镜的照明光线引入必要的倾角; 光纤可调光圈渐晕光圈; 用于空间调制照明强度的中继光学器件中的变迹元件; 图像传感器,用于创建对象的图像; 以及用于将来自物体的光传送到图像传感器的成像光路,其包括管透镜,可移动块和可调虹膜。
    • 3. 发明申请
    • HIGH SPEED ACQUISITION VISION SYSTEM AND METHOD FOR SELECTIVELY VIEWING OBJECT FEATURES
    • 高速获取视觉系统和选择对象特征的方法
    • WO2012021271A2
    • 2012-02-16
    • PCT/US2011/044690
    • 2011-07-20
    • PHOTON DYNAMICS, INC.BORDENYUK, Andrey
    • BORDENYUK, Andrey
    • G01B11/24G01B9/04
    • G01J1/0214G02B21/10G02B21/365G02B27/0018
    • System and method for selectively viewing features of objects, including features hidden under non-transparent materials. The system includes: illuminating light source producing illuminating light having controlled angular spectrum; homogenizing optics for spatial intensity modulation of illumination light; dephasing optics to reduce or suppress interference pattern in image due to the coherence of illumination light; infinity corrected objective directing the illuminating light on the object and collecting light from the object; illumination optical path delivering the illuminating light from the illuminating light source to infinity-corrected objective; relay optics for introducing necessary tilt angle for rays of the illuminating light entering the infinity corrected objective; adjustable iris vignetting free aperture of optical fiber; apodizing element within relay optics for spatial modulation of illumination intensity; image sensor for creating image of object; and imaging optical path for delivering light from object to image sensor, which includes tube lens, removable block and adjustable iris.
    • 用于选择性地查看对象特征的系统和方法,包括隐藏在非透明材料下的特征。 该系统包括:产生具有受控角谱的照明光的照明光源; 均匀化光学器件用于照明光的空间强度调制; 降低或抑制由于照明光的相干性而造成的图像中的干涉图案; 将照明光引导到物体上并从物体收集光的无穷远校正物镜; 照明光路将照明光源的照明光传递到无穷远校正物镜; 用于为进入无穷远校正物镜的照明光的射线引入必要的倾斜角的中继光学器件; 光纤可调光圈渐晕渐开孔; 用于空间调制照明强度的继电器光学元件中的变迹元件; 用于创建物体图像的图像传感器; 以及用于传送来自物体到图像传感器的光的成像光路,其包括管透镜,可移除块和可调节光圈。
    • 5. 发明申请
    • TRACKING AUTO FOCUS SYSTEM
    • 跟踪自动聚焦系统
    • WO2006078893A3
    • 2007-05-03
    • PCT/US2006002023
    • 2006-01-17
    • PHOTON DYNAMICS INCWEISS ADAM
    • WEISS ADAM
    • G02B27/40
    • G02B21/245G02B7/282G02B7/285
    • A tracking auto-focus system maintains a microscope pointed at a TFT array continuously in focus so as to eliminate the auto-focusing time that would otherwise be required. The tracking auto-focus system includes, in part, a microscope Z actuator, an auto-focus sensor, an analog-to-digital converter (ADC), a signal conditioner, a digital proportional integrating and differentiating (PID) controller, and a digital-to-analog converter. The actuator adjusts the distance between the microscope's objective lens and the target and includes, in part, an amplifier, a linear motor, and a linear encoder which provides positional feedback. The auto-focus sensor together with the ADC and signal conditioner continuously monitor and detect the distance between the microscope's objective lens and the target and supply the measured distance to the amplifier. The PID controller together with the DAC stabilizes the distance separating the microscope's objective lens and the target to maintain the best focus.
    • 跟踪自动对焦系统将保持指向TFT阵列的显微镜连续聚焦,以消除否则将需要的自动对焦时间。 跟踪自动对焦系统部分地包括显微镜Z致动器,自动对焦传感器,模数转换器(ADC),信号调节器,数字比例积分和微分(PID)控制器,以及 数模转换器。 致动器调节显微镜物镜与目标之间的距离,部分包括放大器,线性电机和提供位置反馈的线性编码器。 自动对焦传感器与ADC和信号调节器一起连续监测和检测显微镜物镜与目标之间的距离,并将测量距离提供给放大器。 PID控制器与DAC一起稳定了分离显微镜物镜和目标的距离,以保持最佳对焦。
    • 7. 发明申请
    • SUBSTRATE INSPECTION APPARATUS AND METHOD
    • 基板检查装置和方法
    • WO1997026546A1
    • 1997-07-24
    • PCT/US1997000573
    • 1997-01-13
    • PHOTON DYNAMICS, INC.
    • PHOTON DYNAMICS, INC.HAWTHORNE, JeffreySETZER, Joseph
    • G01R31/00
    • G09G3/006G02F1/1309G06T7/0004G06T2207/30121H04N5/66H04N17/04Y10S345/904
    • A method for inspecting a substrate having a plurality of output pixels using an image sensing device having a plurality of input pixels includes the steps of capturing an input image of a plurality of groups of output pixels with a plurality of groups of input pixels (300), each group of input pixels capturing a group of output pixels, each input pixel in a group of input pixels having a position, inhibiting modulation contributions from input pixels in the input image (310), forming a plurality of images from the plurality of groups of input pixels in the input image, each image including input pixels from a similar position in each group of input pixels, detecting defects in each of the plurality of images, and determining defects in subpixels of the substrate in response to the defects detected in each of the plurality of images (340).
    • 使用具有多个输入像素的图像感测装置检查具有多个输出像素的基板的方法包括以多个输入像素组(300)捕获多组输出像素的输入图像的步骤, 每组输入像素捕获一组输出像素,一组输入像素中的每个输入像素具有位置,禁止来自输入图像(310)中的输入像素的调制贡献,从多个组中形成多个图像 每个图像包括来自每组输入像素中的相似位置的输入像素,检测多个图像中的每一个中的缺陷,以及响应于每个图像中检测到的缺陷来确定基板的子像素中的缺陷 的多个图像(340)。
    • 8. 发明申请
    • FLAT PANEL DISPLAY INSPECTION SYSTEM
    • 平板显示检测系统
    • WO1993019453A1
    • 1993-09-30
    • PCT/US1993002060
    • 1993-03-12
    • PHOTON DYNAMICS, INC.
    • PHOTON DYNAMICS, INC.CUMMINS, Robert, E.SCOTT, Daniel, H.HAWTHORNE, Jeffrey, A.
    • G09G03/36
    • G09G3/006G06F11/2221G09G3/20G09G3/36G09G2320/0233G09G2320/0285G09G2320/0693
    • An improved testing system (10) and method for testing a flat-panel display is disclosed herein. A display (11) is positioned under a high resolution camera (15) for detection of, for example, brightness uniformity across the display (11). Errors in the detected image due to aliasing are avoided in the present invention by incrementally shifting the displayed image relative to the camera (15) and detecting the displayed image at various shifted positions. A resulting accurate display can then be reconstructed by identifying those detector pixels (52) generating a maximum signal. A single image may then be reconstructed using only those detected maximum pixel signals. The reconstructed image will be free of aliasing. The reconstructed image may then be analyzed electronically, and any anomalies in the pixels (50, 70) forming the display panel (11) can then be accurately detected. Anomalies due to uneven brightness across the display (11) can be corrected by programming a memory chip (66) for the particular display panel (11) to permanently compensate the display driver (40) signals for each display pixel (50, 70) to eliminate such anomalies in the display (11). Other tests for viewing angles and chromaticity may also be performed.
    • 本文公开了一种改进的测试系统(10)和用于测试平板显示器的方法。 显示器(11)位于高分辨率相机(15)下方,用于检测例如显示器(11)的亮度均匀性。 在本发明中,通过对显示的图像相对于照相机(15)进行递增移位并在各种偏移的位置检测显示的图像,从而避免了由于混叠引起的检测到的图像中的错误。 然后可以通过识别生成最大信号的那些检测器像素(52)来重构所得到的精确显示。 然后可以仅使用那些检测到的最大像素信号来重构单个图像。 重建的图像将没有混叠。 然后可以电子地分析重建的图像,然后可以精确地检测到形成显示面板(11)的像素(50,70)中的任何异常。 可以通过编程用于特定显示面板(11)的存储芯片(66)来对每个显示像素(50,70)的显示驱动器(40)信号进行永久补偿,从而校正显示器(11)上的亮度不均匀导致的异常, 消除显示中的这种异常(11)。 也可以进行视角和色度的其它测试。
    • 9. 发明申请
    • VOLTAGE IMAGING SYSTEM USING ELECTRO-OPTICS
    • 使用电光源的电压成像系统
    • WO1991012534A1
    • 1991-08-22
    • PCT/US1991000916
    • 1991-02-08
    • PHOTON DYNAMICS, INC.
    • PHOTON DYNAMICS, INC.HENLEY, Francois, J.
    • G01R19/00
    • G01R31/309G01R31/308
    • A two dimensional image of the voltage distribution across a surface at a large plurality voltage test points of a panel under test (14, 16) is extracted by illuminating the surface with an input beam (24) of optical energy through an electro optic modulator (30, 31) wherein the modulator is disposed to allow longitudinal probing geometries such that a voltage on the surface of the panel under test (14, 16) causes a power modulation in the optical energy which can be observed through an area optical sensor (a camera (48)) for use to directly produce a two-dimensional spatially-dependent power modulation image directly representative of the spatially corresponding voltage state on the surface of the panel under test (14). Surface cross-talk is minimized by placing the face of the modulator (30, 31) closer to the panel under test (14) than the spacing of the voltage sites in the panel under test (14). The device may operate in a pass-through mode or in a reflective mode.
    • 通过光电调制器(14)的光能的输入光束(24)照射表面,提取在待测试的面板(14,16)的大的多个电压测试点的表面上的表面上的电压分布的二维图像 30,31),其中所述调制器被设置为允许纵向探测几何形状,使得被测试面板(14,16)的表面上的电压导致光能的功率调制,所述光能可以通过区域光学传感器(a 摄像机(48)),用于直接产生直接代表待测试板(14)的表面上的空间对应电压状态的二维空间相关功率调制图像。 通过将调制器(30,31)的表面放置在比待测试板(14)处的电压位置的间隔更靠近被测试板(14)的位置来最小化表面串扰。 该装置可以以直通模式或反射模式操作。