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Micro mirror assembly and method used for driving mirror

A component and electrode technology, applied in the field of projection display, can solve problems such as expensive

Inactive Publication Date: 2016-02-17
HIMAX DISPLAY INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, bipolar reset signals can have several issues, such as generating a bipolar reset signal requires a positive power supply as well as a negative power supply, which can be expensive
Also, considerable power may be required to generate a bipolar reset signal

Method used

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  • Micro mirror assembly and method used for driving mirror
  • Micro mirror assembly and method used for driving mirror
  • Micro mirror assembly and method used for driving mirror

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0046] figure 1 is a schematic diagram of a micromirror assembly according to an embodiment of the present invention. see figure 1 , in this embodiment, the micromirror assembly 100 may include a mirror 104 , a first electrode 106 , a second electrode 108 , a memory 110 , a controller 112 , a first amplifier 114 and a second amplifier 116 . The mirror surface can be tilted around the hinge 102 , and the first electrode 106 and the second electrode 108 are disposed on different sides of the hinge 102 . In the illustrated embodiment, the memory 110 is configured to store state data SD indicative of a first electrode state ES1 of the first electrode 106 corresponding to the mirror 104 and a second electrode state ES2 of the second electrode 108 . In addition, in this embodiment, the controller 112 is configured to receive the state data SD of the first electrode 106 and the second electrode 108 from the memory 110 .

[0047] In the micromirror device 100 according to this embo...

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Abstract

The invention relates to a micro mirror assembly and a method used for driving a mirror. The micro mirror assembly comprises the mirror, a first electrode, a second electrode, a memory and a controller, wherein the mirror can be inclined around a hinge, the first electrode and the second electrode are arranged at different sides of the hinge, the memory is used for storing and indicating state data of a first electrode state of the first electrode and a second electrode state of the second electrode corresponding to the mirror, the controller is used for receiving the state data of the first electrode and the second electrode from the memory and responding to operation requests, the controller is used for reverting the states of the first electrode and the second electrode, and the controller is further used for resetting signals according to corrected states of the first electrode and the second electrode and sending the signals to the mirror.

Description

technical field [0001] The invention relates to projection display technology, in particular to a micro-mirror component in a projection system and a method for driving the mirror. Background technique [0002] With the advancement of display technology, micro-mirror components are widely used in display devices such as projection systems. In these projection systems, light is projected to correspond to the color channels of the image. A micromirror assembly in a projection system displays pixels of an image (displayed or not) by tilting the mirrors in the assembly to project light or deflect light. In general, the amount of time the mirror panel is turned on and off controls the intensity of a given pixel and a given color. [0003] When a voltage is applied to the mirrors in the micromirror assembly, electrostatic attraction can cause the mirrors to tilt in one direction or the other, depending on the voltage supplied to the electrodes. The micromirror device can reset ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B26/08
Inventor 罗兰德.V.盖德刘楠
Owner HIMAX DISPLAY INC
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