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OLED display screen, display panel, and manufacturing method thereof

A technology for display panels and array substrates, applied in semiconductor/solid-state device manufacturing, electrical components, electrical solid-state devices, etc., can solve the problems of high production cost, low production efficiency, and long time consumption, so as to improve production efficiency and reduce production costs. , the effect of shortening the process manufacturing time

Active Publication Date: 2019-11-05
BOE TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, on the one hand, this solution requires high-precision laser drilling equipment, and the production cost is high; on the other hand, because it needs to be drilled sequentially, it takes a long time and the production efficiency is very low

Method used

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  • OLED display screen, display panel, and manufacturing method thereof
  • OLED display screen, display panel, and manufacturing method thereof
  • OLED display screen, display panel, and manufacturing method thereof

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Embodiment Construction

[0030] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0031] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0032] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. The expression "and / or" used herein includes all or any element and all combinations of one or more associated list...

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Abstract

The present invention discloses an OLED display screen, a display panel, and a manufacturing method thereof. The method comprises: forming, on a TFT array substrate, a high-resistance metal wire thatis parallel to an auxiliary electrode and has a spacing less than a threshold; after forming an EL layer of an OLED device, applying voltage to both ends of the high-resistance metal wire, to enable the high-resistance metal wire to generate heat; and after the heat makes a temperature of the auxiliary electrode rise, and makes a organic material of the high-resistance metal wire and the EL layeron the top of the auxiliary electrode evaporated and eliminated, depositing a transparent metal oxide to form a light-exiting surface electrode of the OLED device electrically connected to the auxiliary electrode. According to the manufacturing method, when a technique of connecting the light-exiting surface electrode of the OLED and the auxiliary electrode in a manufacturing process is performed,a punching operation is no longer needed, so that a process manufacturing time is shortened, and production efficiency is improved. Further, production costs may be further reduced because a high-precision laser puncher is not needed.

Description

technical field [0001] The invention relates to the field of display technology, in particular to an OLED display screen, a display panel and a manufacturing method thereof. Background technique [0002] OLED (Organic Light-Emitting Diode, Organic Light-Emitting Diode) display devices have become the first choice for high-end mobile phones, TVs, watches and other electronic devices due to their thinness, bright colors, and flexibility. In the future, there will also be An increasingly wide range of applications. Currently commonly used OLED device structures include top-emission and bottom-emission structures. Due to the advantages of high aperture ratio, the top-emission structure has gradually become the mainstream device structure of current display devices under the trend of gradually improving pixel resolution. [0003] However, OLED top-emitting devices also have certain technical difficulties. One of them is that the top-emitting device requires high transparency and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/32H01L51/56
CPCH10K59/1213H10K59/131H10K71/00
Inventor 石守磊
Owner BOE TECH GRP CO LTD
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