Display device and driving circuit

A technology for display devices and data drive circuits, which can be applied to static indicators, instruments, etc., and can solve problems such as disconnection of power lines

Pending Publication Date: 2022-01-04
LG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When an overcurrent flows, a burning phenomenon that disconnects the power line may occur due to the overcurrent

Method used

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  • Display device and driving circuit
  • Display device and driving circuit
  • Display device and driving circuit

Examples

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Embodiment Construction

[0045] In the following description of examples or embodiments of the invention, reference will be made to the accompanying drawings, in which are shown by way of illustration specific examples or embodiments that can be implemented, and in which like reference numerals and Symbols may be used to refer to the same or similar components even when they are shown in mutually different drawings. Also, in the following description of examples or embodiments of the present invention, when it is determined that the detailed description of known functions and components contained herein may make the subject matter in some embodiments of the present invention rather unclear, the detailed description will be omitted. Terms such as "comprising", "having", "comprising", "consisting of", "consisting of" and "formed of" as used herein are generally intended to allow the addition of other components, unless these terms are incompatible with the term "only" use together. As used herein, sing...

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PUM

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Abstract

Embodiments of the disclosure relate to a display device and a driving circuit, particularly a display device and a driving circuit enable to detect the crack for each display panel block by independently controlling each data driving circuit in case of multi data driving circuit. In addition, embodiments of the disclosure provide a display device and a driving circuit enable to detect not only fine cracks but also disconnection by sequentially comparing a voltage of the display panel block with a reference voltage using a plurality of reference resistors.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Korean Patent Application No. 10-2020-0081319 filed on July 2, 2020, which is hereby incorporated by reference for all purposes as if fully set forth herein. technical field [0003] Embodiments relate to a display device and a driving circuit. Background technique [0004] With the development of multimedia, the importance of flat panel display devices has increased. For this, flat panel display devices such as liquid crystal displays (LCDs), plasma display panels (PDPs), and organic light emitting displays (OLEDs) are commercially available. [0005] Among flat panel display devices, organic light emitting display devices are widely used as mobile display devices such as laptop computers or smartphones due to their ability to be driven at low voltage, thinness, excellent viewing angle, and fast response speed. [0006] An organic light emitting display device includes a display...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/3225G09G3/3291G09G3/00G09G3/20
CPCG09G3/3225G09G3/3291G09G3/006G09G3/20G09G2330/12G09G2310/0272G09G2310/0291G09G2330/04G09G3/3685G09G3/2092G09G2310/08
Inventor 姜正浩
Owner LG DISPLAY CO LTD
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