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Differential vcom resistor or capacitor tuning for improved image quality

A technology of resistance and resistance elements, applied in fields such as

Inactive Publication Date: 2018-03-16
APPLE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Undesirable artifacts corresponding to segmentation may appear when the TFT gate is deactivated when the LCD may include segmented components (e.g. segmented VCOM)

Method used

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  • Differential vcom resistor or capacitor tuning for improved image quality
  • Differential vcom resistor or capacitor tuning for improved image quality
  • Differential vcom resistor or capacitor tuning for improved image quality

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Embodiment Construction

[0021] One or more specific embodiments of the present disclosure will be described below. These described embodiments are merely examples of the presently disclosed technology. Furthermore, in an effort to provide a concise description of these embodiments, all features of an actual implementation may not be described in the specification. It should be recognized that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developer's specific goals, such as conforming to requirements that may vary from implementation to implementation. System-related and transaction-related constraints. In addition, it should be recognized that such a development effort might be complex and time consuming, but would nonetheless be a routine undertaking of design, production, and fabrication for those of ordinary skill having the benefit of this disclosure.

[0022] When introducing...

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Abstract

Apparatus and methods are provided for reducing variations in voltage disturbances between voltage common planes (VCOM) (112) of a display (18) in response to voltage disturbances. In one example, a resistive element (134) may be coupled to one of several VCOMs (112) to increase the resistance of the VCOM (112). The resistive element (134) can make the variation of voltage perturbations among the number of VCOMs (112) generally more consistent, thereby reducing or eliminating certain image artifacts.

Description

[0001] Cross References to Related Applications [0002] This application is a non-provisional patent application of U.S. Provisional Patent Application 61 / 657,671, entitled "Differential VCOM Resistance or Capacitance Tuning for Improved Image Quality," filed June 8, 2012, which is incorporated herein by reference . Background technique [0003] The present disclosure relates generally to electronic displays and, more particularly, to liquid crystal displays (LCDs) having a common voltage layer (VCOM) with differentially added resistance and / or capacitance to improve the image quality of the LCD. [0004] This section is intended to introduce the reader to various aspects of prior art that may be related to aspects of the present disclosure that are described and / or claimed below. We believe this discussion is helpful in providing the reader with background information to facilitate a better understanding of various aspects of the disclosure. Accordingly, it should be under...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36G06F3/044G02F1/1333G06F3/041
CPCG06F3/0412G06F3/044G09G3/006G09G3/3655G09G2320/0219G09G2320/0223
Inventor 裵浩弼
Owner APPLE INC