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    Method of repairing micromirrors in spatial light modulators
    13.
    发明申请
    Method of repairing micromirrors in spatial light modulators 审中-公开
    在空间光调制器中修复微镜的方法

    公开(公告)号：US20060193028A1

    公开(公告)日：2006-08-31

    申请号：US11069317

    申请日：2005-02-28

    Applicant: Satyadev Patel ,  James Dunphy ,  Peter Richards ,  Michel Combes

    Inventor： Satyadev Patel ,  James Dunphy ,  Peter Richards ,  Michel Combes

    IPC: G02B26/00

    CPC classification number: G02B26/0841

    Abstract: Disclosed herein is method of operating a device that comprises an array of micromirrors. The method comprises a process usable for repairing stuck micromirrors of the micromirror array during the operation. The reparation process applies, at the ON state, two consecutive refresh voltages to the mirror plates of the micromirrors in the array with the pulses being separated in time longer than the characteristic oscillation time of the micromirrors. The reparation process can be applied independently to the micromirrors. Alternatively, the reparation process can be incorporated with a bias inversion process.

    Abstract translation: 这里公开的是操作包括微镜阵列的装置的方法。 该方法包括可用于在操作期间修复微镜阵列的粘性微镜的过程。 修复过程在ON状态下，对阵列中的微镜的镜板施加两个连续的刷新电压，其中脉冲在时间上比微镜的特征振荡时间长。 修复过程可独立应用于微镜。 或者，修复过程可以结合偏置反转过程。

    Micromirror and post arrangements on substrates
    14.
    发明授权
    Micromirror and post arrangements on substrates 有权
    基板上的微镜和柱安排

    公开(公告)号：US07075702B2

    公开(公告)日：2006-07-11

    申请号：US11216594

    申请日：2005-08-30

    Applicant: Andrew Huibers ,  Satyadev Patel

    Inventor： Andrew Huibers ,  Satyadev Patel

    IPC: G02B26/00 ,  G03B21/28

    CPC classification number: G02B26/0841

    Abstract: A micromirror of a micromirror array of a spatial light modulator used in display systems comprises a mirror plate attached to a hinge that is supported by two posts formed on a substrate. Also the mirror plate is operable to rotate along a rotation axis that is parallel to but offset from a diagonal of the mirror plate when viewed from the top. An imaginary line connecting the two posts is not parallel to either diagonal of the mirror plate.

    Abstract translation: 在显示系统中使用的空间光调制器的微镜阵列的微镜包括附接到由在基板上形成的两个支柱支撑的铰链的镜板。 此外，当从顶部观察时，镜板可操作以沿着平行于但偏离镜板的对角线的旋转轴线旋转。 连接两个柱的假想线不平行于镜板的任一对角线。

    Spatial light modulators with light blocking/absorbing areas
    17.
    发明申请
    Spatial light modulators with light blocking/absorbing areas 有权
    具有遮光/吸收区域的空间光调制器

    公开(公告)号：US20050157376A1

    公开(公告)日：2005-07-21

    申请号：US11076640

    申请日：2005-03-09

    Applicant: Andrew Huibers ,  Satyadev Patel

    Inventor： Andrew Huibers ,  Satyadev Patel

    IPC: G02B26/08 ,  G02B26/00

    CPC classification number: B82Y30/00 ,  G02B26/0833 ,  H01L2924/01006 ,  H01L2924/01013 ,  H01L2924/0102 ,  H01L2924/01024 ,  H01L2924/01074

    Abstract: A projection system, a spatial light modulator, and a method for forming a micromirror array such as for a projection display are disclosed. The spatial light modulator can have two substrates bonded together with one of the substrates comprising a micro-mirror array. The two substrates can be bonded at the wafer level after depositing a getter material and/or solid or liquid lubricant on one or both of the wafers if desired. In one embodiment of the invention, one of the substrates is a light transmissive substrate and a light absorbing layer is provided on the light transmissive substrate to selectively block light from passing through the substrate. The light absorbing layer can form a pattern, such as a frame around an array of micro-mirrors.

    Abstract translation: 公开了投影系统，空间光调制器和用于形成诸如投影显示器的微镜阵列的方法。 空间光调制器可以具有与包括微镜阵列的基板之一粘合在一起的两个基板。 如果需要，在沉积吸气剂材料和/或固体或液体润滑剂在一个或两个晶片上之后，两个基底可以在晶片层上结合。 在本发明的一个实施例中，一个基板是透光基板，并且在透光基板上设置光吸收层，以选择性地阻挡光通过基板。 光吸收层可以形成图案，例如围绕微镜阵列的框架。

    Micromirror array having reduced gap between adjacent micromirrors of the micromirror array
    18.
    发明申请
    Micromirror array having reduced gap between adjacent micromirrors of the micromirror array 有权

    公开(公告)号：US20050122561A1

    公开(公告)日：2005-06-09

    申请号：US11034318

    申请日：2005-01-11

    Applicant: Andrew Huibers ,  Satyadev Patel

    Inventor： Andrew Huibers ,  Satyadev Patel

    IPC: B81C20060101 ,  G02B26/00 ,  G02B26/08 ,  G02F1/29 ,  H04N5/74

    CPC classification number: B82Y30/00 ,  G02B26/0841 ,  H04N5/7458

    Abstract: A spatial light modulator is disclosed, along with a method for making such a modulator that comprises an array of micromirror devices. The center-to-center distance and the gap between adjacent micromirror devices are determined corresponding to the light source being used so as to optimize optical efficiency and performance quality. The micromirror device comprises a hinge support formed on a substrate and a hinge that is held by the hinge support. A mirror plate is connected to the hinge via a contact, and the distance between the mirror plate and the hinge is determined according to desired maximum rotation angle of the mirror plate, the optimum gap and pitch between the adjacent micromirrors. In a method of fabricating such spatial light modulator, one sacrificial layer is deposited on a substrate followed by forming the mirror plates, and another sacrificial layer is deposited on the mirror plates followed by forming the hinge supports. The two sacrificial layers are removed via the small gap between adjacent mirror devices with spontaneous vapor phase chemical etchant. Also disclosed is a projection system that comprises such a spatial light modulator, as well as a light source, condensing optics, wherein light from the light source is focused onto the array of micromirrors, projection optics for projecting light selectively reflected from the array of micromirrors onto a target, and a controller for selectively actuating the micromirrors in the array.

    Micromirror having reduced space between hinge and mirror plate of the micromirror
    19.
    发明申请
    Micromirror having reduced space between hinge and mirror plate of the micromirror 有权

    公开(公告)号：US20050088719A1

    公开(公告)日：2005-04-28

    申请号：US10627303

    申请日：2003-07-24

    Applicant: Satyadev Patel ,  Andrew Huibers

    Inventor： Satyadev Patel ,  Andrew Huibers

    IPC: G02B20060101 ,  G02B26/00 ,  G02B26/08 ,  H01L20060101 ,  H01L21/00

    CPC classification number: G02B26/0841 ,  B82Y30/00

    Abstract: A spatial light modulator is disclosed, along with a method for making such a modulator that comprises an array of micromirror devices. The center-to-center distance and the gap between adjacent micromirror devices are determined corresponding to the light source being used so as to optimize optical efficiency and performance quality. The micromirror device comprises a hinge support formed on a substrate and a hinge that is held by the hinge support. A mirror plate is connected to the hinge via a contact, and the distance between the mirror plate and the hinge is determined according to desired maximum rotation angle of the mirror plate, the optimum gap and pitch between the adjacent micromirrors. In a method of fabricating such spatial light modulator, one sacrificial layer is deposited on a substrate followed by forming the mirror plates, and another sacrificial layer is deposited on the mirror plates followed by forming the hinge supports. The two sacrificial layers are removed via the small gap between adjacent mirror devices with spontaneous vapor phase chemical etchant. Also disclosed is a projection system that comprises such a spatial light modulator, as well as a light source, condensing optics, wherein light from the light source is focused onto the array of micromirrors, projection optics for projecting light selectively reflected from the array of micromirrors onto a target, and a controller for selectively actuating the micromirrors in the array.

    High angle micro-mirrors and processes
    20.
    发明申请
    High angle micro-mirrors and processes 有权

    公开(公告)号：US20050078349A1

    公开(公告)日：2005-04-14

    申请号：US10990835

    申请日：2004-11-16

    Applicant: Satyadev Patel ,  Andrew Huibers ,  Peter Heureux

    Inventor： Satyadev Patel ,  Andrew Huibers ,  Peter Heureux

    IPC: G02B26/08 ,  G02B26/00

    CPC classification number: G02B26/0841

    Abstract: A micro-mirror that comprises a substrate, a hinge structure formed on the substrate and a mirror plate attached to the hinge structure is provided for use in display systems. The mirror plate is capable of rotating from a non-deflected resting state to a state that is at least 14° degrees. In operation, the micro-mirror switches between an “ON”-state and “OFF”-state, which are defined in accordance with a rotational position of the mirror plate. The OFF state can be a non-deflected position of the micro-mirror (generally parallel to the substrate), the same angle (though opposite direction) as the ON state, or an angle less than the ON state (though in the opposite direction). Reflected light from the “ON” and “OFF” states are thus separated and the contrast ratio is improved.

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