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Display device incorporating multiple dielectric

A technology of dielectric layers and dielectrics, applied to microstructure devices, microstructure devices composed of deformable elements, coatings, etc., can solve problems such as charge application and slow shutter actuation speed

Inactive Publication Date: 2015-08-26
SNAPTRACK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Uneven buildup of charge can cause electrostatic forces to be exerted on the shutter
This can cause operational defects in the display device ranging from slowing down the actuation speed of the shutter to temporarily or permanently trapping the shutter in an open or closed position or sticking to the aperture plate

Method used

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  • Display device incorporating multiple dielectric
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Examples

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Embodiment Construction

[0038] The following description is directed to certain embodiments for the purpose of describing the innovative aspects of the invention. However, those skilled in the art will readily recognize that the teachings herein can be applied in many different ways. The described embodiments can be implemented in any device, apparatus, or system that can be configured to display an image, whether in motion (e.g., video) or stationary (e.g., still image), and whether the image is text , graphic or pictorial. Rather, it is contemplated that the described implementations may be included in or associated with a variety of electronic devices such as, but not limited to, a mobile phone , cellular phones with multimedia Internet capabilities, mobile television receivers, wireless devices, smart phones, Devices, Personal Data Assistants (PDAs), Wireless Email Receivers, Handheld or Laptop Computers, Netbooks, Notebook Computers, Smartbooks, Tablet Computers, Printers, Copiers, Scanners, ...

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Abstract

This disclosure provides systems, methods and apparatus for providing multiple dielectric coatings for a shutter assembly. The multiple dielectric coatings include an outer dielectric coating and one or more inner dielectric coatings. The outer dielectric coating has an electrical trap density that is lower than electrical trap densities of the one or more inner dielectric coatings. The lower electrical trap density reduces the amount of charge buildup over various surfaces of the shutter assembly. This reduction in charge buildup also reduces electrostatic forces that may cause incorrect operation of the shutter assembly.

Description

[0001] Related applications [0002] This patent application asserts U.S. Utility Model Application No. 13 / 719,648, filed December 19, 2012, entitled "DISPLAY DEVICE INCORPORATING MULTIPLE DIELECTRIC LAYERS," and states The application is assigned to the assignee of the present invention and is hereby expressly incorporated by reference. technical field [0003] The present invention relates to electromechanical systems (EMS). In particular, the present invention relates to EMS display devices having multiple dielectric layers. Background technique [0004] The display device may include an array of electromechanical system (EMS) shutter assemblies for moving the shutters between open and closed positions over an aperture formed in the aperture plate. A backlight for providing light is placed behind the aperture plate such that when the shutter is in an open position, the shutter allows light to travel through the aperture towards the front of the display device. During ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B26/02H01L21/02C23C16/40
CPCY10T29/49002G02B26/00C23C16/40G06F15/00G02B26/02C23C16/45525B81B3/0008G02B26/023
Inventor 凯特·尼·奇列里格苏珊·欧克利亚历山大·弗朗兹乔伊·H·吴
Owner SNAPTRACK
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