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Display panel pixel structure

A pixel structure and display panel technology, which is applied to semiconductor devices, electrical components, circuits, etc., can solve the problems that the display panel cannot display normally

Active Publication Date: 2018-10-26
AU OPTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention relates to a pixel structure of a display panel, which can avoid the problem that the display panel cannot display normally due to the diffusion of moisture to the internal components of the display panel through the pixel definition layer

Method used

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  • Display panel pixel structure
  • Display panel pixel structure
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Embodiment Construction

[0045] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments to further understand the purpose, solution and effect of the present invention, but it is not intended to limit the scope of protection of the appended claims of the present invention.

[0046] The pixel structure of the present invention can be applied to organic light emitting diode display panels, for example. Therefore, in order to describe the design of the pixel structure of the present invention in detail, the following description takes a single pixel structure as an example and uses words to match the above. The accompanying drawings are for illustration. Those skilled in the art should understand that a pixel array of an OLED display panel is composed of a plurality of identical or similar pixel structures. Therefore, those skilled in the art can understand the structure or layout of the pixel array in the OL...

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Abstract

A pixel structure of a display panel includes an active element, a first electrode, a pixel definition layer, a cladding layer, a light emitting layer and a second electrode. Active components are located on the substrate. The first electrode is located above the active element and electrically connected with the active element. The pixel definition layer is located on the first electrode, wherein the pixel definition layer has an opening to expose the first electrode. The covering layer covers the pixel definition layer. The light emitting layer is located in the opening and covers the exposed first electrode, wherein the light emitting layer is separated from the pixel definition layer by the cladding layer. The second electrode is located on the light emitting layer. The invention not only reduces the opportunity of the pixel definition layer to absorb water vapor, but also prevents the pixel definition layer from releasing water vapor into the internal components of the display panel.

Description

technical field [0001] The present invention relates to a pixel structure, and in particular to a pixel structure of a display panel. Background technique [0002] It is now a 3C era, that is, the era of computers, communications, and consumer electronics. In such a life, there are many kinds of information devices on the market, such as mobile phones, PDAs, GPS, digital cameras and monitors. However, most information devices use flat panel displays as the main communication interface. Therefore, in the case of diversification of information equipment, the selection of types of flat panel displays is also quite diverse, for example, liquid crystal displays, plasma displays, and organic light emitting diode display panels. [0003] In addition to the advantages of high brightness, power saving, high contrast ratio, fast response time, and low driving voltage, organic light-emitting diode display panels also meet the trend of thin, light and small information equipment. The...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L27/32
CPCH10K59/122
Inventor 刘展睿李泓纬
Owner AU OPTRONICS CORP