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Display element pixel circuit with voltage equalization

A technology of display elements and voltages, which is applied in the field of pixel circuits and can solve problems such as reducing the reliability of pixel circuits.

Inactive Publication Date: 2015-11-11
SNAPTRACK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This increased voltage can reduce the reliability of the pixel circuit

Method used

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  • Display element pixel circuit with voltage equalization
  • Display element pixel circuit with voltage equalization
  • Display element pixel circuit with voltage equalization

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Embodiment Construction

[0025] The following description is directed to specific embodiments for the purpose of describing novel aspects of the invention. However, one of ordinary skill in the art will readily recognize that the teachings herein can be applied in a number of different ways. The described implementations may be implemented in any device, apparatus, or system that can be configured to display images, whether in motion (eg, video) or stationary (eg, still images), and whether textual, graphical, or pictorial. More particularly, 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: mobile telephones, multimedia Internet enabled cellular telephones, Mobile TV receivers, wireless devices, smart phones, Devices, Personal Data Assistants (PDAs), Wireless Email Receivers, Handheld or Laptop Computers, Mini Notebooks, Notebooks, Smart Computers, Tablet Computers, Printers, Copiers, Scanners, Fax...

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Abstract

This disclosure provides systems, methods and apparatus for improving the reliability of dual actuator light modulators by equalizing voltages provided to the two actuators of the light modulator. A pixel circuit for driving the dual actuator light modulator can include a data loading circuit coupled to an actuation circuit. The data loading circuit is utilized to store data received from a controller for a pixel associated with the light modulator. The actuation circuit is utilized to control a first actuator and a second actuator of the dual actuator light modulator based on the data stored by the data loading circuit. The actuation circuit includes a first stabilization capacitor and a second stabilization capacitor for stabilizing voltages provided to the first and second actuators. The actuation circuit also includes an equalization switch for equalizing voltages provided to the first and second actuators.

Description

[0001] Related applications [0002] This patent application claims priority to U.S. Utility Model Application No. 13 / 854,687, filed April 1, 2013, entitled "DISPLAYELEMENT PIXEL CIRCUIT WITH VOLTAGE EQUALIZATION," and said utility model application has been assigned to the present assignee and is hereby expressly incorporated herein by reference. technical field [0003] The present invention relates to the field of imaging displays, and in particular to pixel circuits for display elements. Background technique [0004] Various display devices include an array of display pixels with corresponding light modulators that transmit light to form an image. The light modulator includes an actuator for driving the light modulator between a first state and a second state. Some display devices utilize dual actuated light modulators that are drivable by a first actuator into the first state and by a second actuator into the second state. The light modulators are controlled through...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/34
CPCG09G3/3433G09G2300/0814G09G2300/0852G09G2300/0861G09G2310/0202G09G2310/0251G09G2310/061
Inventor 姚建国
Owner SNAPTRACK