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Display apparatus

A display device and demultiplexer technology, applied to static indicators, instruments, etc., can solve the problems of increased voltage and power consumption of control lines, charging and discharging without stable control lines, etc.

Pending Publication Date: 2021-03-26
LG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the related art demultiplexer circuit, charging and discharging of the voltage of the control line is not stably performed, and power consumption for controlling the voltage of the control line increases

Method used

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Embodiment Construction

[0028] Reference will now be made in detail to the exemplary embodiments of the present disclosure, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.

[0029] Advantages and features of the present disclosure and implementation methods thereof will be clarified through the embodiments described below with reference to the accompanying drawings. However, the present disclosure may be embodied in different forms and should not be construed as limited to only the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Furthermore, the present disclosure is limited only by the scope of the claims.

[0030] The shapes, dimensions, proportions, angles and numbers disclosed in the drawings for describing th...

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Abstract

A display apparatus includes first to third demultiplexer circuits respectively providing a data signal, supplied from a data driver, to three data lines. Each of the first to third demultiplexer circuits includes a switching unit providing the data signal to a corresponding data line of the three data lines on the basis of a voltage of a corresponding control line of first to third control lines,a voltage controller controlling the voltage of the corresponding control line in response to a corresponding time division control signal of first to third time division control signals and a corresponding auxiliary signal of first to third auxiliary signals which partially overlap the first to third time division control signals respectively, and a voltage discharger discharging the voltage ofthe corresponding control line.

Description

technical field [0001] The present disclosure relates to display devices. Background technique [0002] The display device is widely used as a display device of a notebook computer, a tablet computer, a smart phone, a portable display device, and a portable information device, and a display device of a television (TV) or a monitor. [0003] Such a display device includes a display panel, a driving integrated circuit (IC) for driving the display panel, and a scan driving circuit for driving the display panel. The display panel includes a plurality of sub-pixels respectively disposed in a plurality of pixel regions defined by a plurality of data lines and a plurality of gate lines, and each sub-pixel includes a thin film transistor (TFT). In this case, at least three adjacent sub-pixels are configured to display a unit pixel of one image. [0004] The driver IC is connected to each of the plurality of data lines through a plurality of data link lines. The driving IC supplie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/20G09G3/3208G09G3/3258G09G3/3291
CPCG09G3/2074G09G3/3208G09G3/3258G09G3/3291G09G2330/021G09G2310/0297G09G3/2096G09G3/3225G09G3/3275G09G3/3266
Inventor 申宴于李正贤洪礼媛
Owner LG DISPLAY CO LTD
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