Display device

A display device and a technology for connecting electrodes, applied in the direction of organic semiconductor devices, electrical components, diodes, etc., can solve the problems that the display device cannot be manufactured as a final product, the driving thin film transistor cannot be driven normally, and the quality of bright spot display deteriorates, etc. Achieve the effect of preventing the increase of laser cutting energy, improving the process yield and quality, and improving productivity

Pending Publication Date: 2021-05-28
LG DISPLAY CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Alternatively, if the source electrode and the drain electrode of the driving thin film transistor are short-circuited, the driving thin film transistor cannot be normally driven, and the voltage applied to the source electrode is directly applied to the drain electrode without turning on / off, thereby The sub-pixel remains on all the time, and thus a bright spot appears
[0009] Because the bright spots are easily seen by the user's eyes due to good visibility, the bright spots degrade the display quality
For this reason, even if only one bright spot appears on the display area, the display device is considered to be defective, whereby there arises a problem that the display device cannot be manufactured as a final product

Method used

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Embodiment Construction

[0039] Advantages and features of the present disclosure and methods of achieving them will be clarified through the embodiments described below with reference to the accompanying drawings. This disclosure may, however, be embodied in different 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 scope of the disclosure to those skilled in the art. Furthermore, the present disclosure is limited only by the scope of the claims.

[0040]The shapes, dimensions, proportions, angles and numbers disclosed in the drawings for describing the embodiments of the present disclosure are examples only, and thus, the present disclosure is not limited to the illustrated details. Throughout the specification, like reference numerals refer to like elements. In the following description, when a detailed description of a related known function or ...

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Abstract

A display device comprises a pixel electrode including a first subpixel electrode and a second subpixel electrode arranged to be spaced apart from each other within at least one subpixel of a plurality of subpixels over a substrate, a driving transistor driving the one subpixel, and a connection electrode structure electrically connecting at least one subpixel electrode of the first subpixel electrode and the second subpixel electrode of the pixel electrode with the driving transistor.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of Korean Patent Application No. 10-2019-0144371 filed on November 12, 2019, which is incorporated herein by reference as if fully set forth herein. technical field [0003] The present disclosure relates to display devices. Background technique [0004] Recently, with the advancement of the information age, the display field for visually displaying electrical information signals has rapidly developed. In response to this trend, various display devices having excellent performance of thin profile, light weight, and low power consumption have been developed. Detailed examples of the display device include a liquid crystal display (LCD) device, a quantum dot display device, a field emission display device, and an organic light emitting display device. [0005] Among display devices, organic light emitting display devices that do not require a separate light source are considered to b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/32
CPCH10K59/123H10K59/131H10K59/351H10K59/38H10K59/124H10K50/131H10K50/828H10K50/865H10K71/861H10K59/87H10K59/35H10K50/80H10K71/00H10K50/84
Inventor 金度亨李晙硕S·李D·洪
Owner LG DISPLAY CO LTD
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