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Electro-luminescence display apparatus and manufacturing method thereof

An electroluminescence display and electroluminescence technology, applied in circuits, electrical components, electric solid devices, etc., can solve the problems of transistor threshold voltage deviation, electrode voltage deviation, etc.

Active Publication Date: 2018-07-10
LG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for various reasons, there may be an undesired deviation in the voltage of each electrode
[0007] For example, there will be variations in transistor threshold voltage (Vth)
Also, gate lines, light emitting lines, and data lines have parasitic capacitance with any adjacent electrodes

Method used

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  • Electro-luminescence display apparatus and manufacturing method thereof
  • Electro-luminescence display apparatus and manufacturing method thereof
  • Electro-luminescence display apparatus and manufacturing method thereof

Examples

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Embodiment Construction

[0028] Reference will now be made in detail to some embodiments of the present disclosure, examples of which are illustrated in the accompanying drawings. In the following description, when it is determined that a specific description related to a well-known function or structure of the document would obscure the gist of the inventive concept, the specific description thereof will be omitted. The described progression of process steps or operations is an example; however, the sequence of steps and / or operations is not limited to those listed herein and, except for steps and / or operations that must be performed in a specific order, can be performed as in the art. Changes are made as known. Like reference numbers refer to like elements throughout. The names of the respective elements used in the following description are selected only for convenience in writing the description, and thus the names may be different from those used in actual products.

[0029] In describing the e...

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Abstract

The invention provides an electro-luminescence display device and a manufacturing method therefor. The electro-luminescence display device comprises a pixel (P) comprising: an electro-luminescence diode (ELD); a driving transistor (DT) configured to supply a current to the electro-luminescence diode; and a switching transistor (ST) configured to switch a signal supplied to the driving transistor,wherein a size of a channel area of the driving transistor is different from a size of a channel area of the switching transistor, and wherein a taper angle deviation of the channel areas of the driving transistor and the switching transistor is equal to or less than 10 degrees.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Korean Application No. 10-2016-0182953 filed on December 29, 2016, which is hereby incorporated by reference in its entirety. technical field [0003] The present disclosure relates to a display device, and in particular, to an electroluminescence display device and a method of manufacturing the same. Background technique [0004] The electroluminescence element is a self-luminescence element including an anode, a cathode, and an electroluminescence layer formed between the anode and the cathode. The electroluminescent layer includes a hole transport layer (HTL), an emission layer (EML) and an electron transport layer (ETL). When a voltage is applied to the anode and the cathode, excitons are generated by combining holes transported through the hole transport layer (HTL) and electrons transported through the electron transport layer (ETL), thereby generating visible light at the l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/15G09G3/32
CPCG09G3/32H01L27/15H10K59/1213H01L27/1222H01L29/78696H10K59/1201H01L27/156H01L27/1274
Inventor 金重铁权峻瑩
Owner LG DISPLAY CO LTD