Display device and shift register thereof

A shift register, potential technology, applied in the direction of static memory, static indicator, digital memory information, etc., can solve the problem of difficult driving mode for portable communication equipment or digital image equipment, etc. Effects of IC output

Active Publication Date: 2018-10-09
EVERDISPLAY OPTRONICS (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, such a driving method is difficult to apply to portable communication devices or digital image devices, which have been widely cited and are equipped with various display panels that can vary in installation positions considering viewing angle characteristics

Method used

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  • Display device and shift register thereof
  • Display device and shift register thereof
  • Display device and shift register thereof

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Embodiment Construction

[0059] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals denote the same or similar structures in the drawings, and thus their repeated descriptions will be omitted.

[0060] The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided in order to give a thorough understanding of embodiments of the invention. However, those skilled in the art will appreciate that the technical solutions of the present invention may be practiced without one or more of the specific...

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Abstract

The invention provides a display device and a shift register thereof. The shift register comprises multiple levels. Each level selectively executes forward scanning and reverse scanning. Each level uses a first clock signal and a second clock signal. Each level comprises a bidirectional scanning module, a control module and an output module. The bidirectional scanning module, the control module and the output module comprise first to eighth switch components, a first capacitor and a second capacitor. In the invention, two clock signals are used to control eight switch components and two capacitors so as to realize the forward scanning and the reverse scanning of the multiple levels of the shift register, and circuit layout and IC output can be reduced.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a display device and a shift register thereof. Background technique [0002] In recent years, OLED (Organic Light-Emitting Diode, Organic Light-Emitting Diode) technology has developed rapidly, and has become a promising technology most likely to replace LCD (Liquid Crystal Display, Liquid Crystal Display). [0003] Generally speaking, the gate line driving method of a common OLED display device is to output gate signals to OLED pixel units row by row through a gate line driving device in a scanning direction. However, such a driving method is difficult to apply to portable communication devices or digital image devices, which have been widely cited and equipped with various display panels that can vary in installation position considering viewing angle characteristics. Therefore, bidirectional scanning driving of OLED display devices is a direction to be studied and optimized....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/3266G11C19/28
CPCG09G3/3266G09G2310/02G09G2310/0286G11C19/28
Inventor 周兴雨
Owner EVERDISPLAY OPTRONICS (SHANGHAI) CO LTD
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