Display panel, manufacturing method thereof and display terminal

A display panel and terminal technology, applied in semiconductor devices, electrical components, circuits, etc., can solve the problems of abnormal small black spots and packaging failure, and achieve the effect of reducing small black spots

Pending Publication Date: 2022-08-09
SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present application provides a display panel, its manufacturing method, and a display terminal, so as to improve the technical problems of current OLED display panels, such as small black dots and other display abnormalities, which lead to package failure due to the friction between the mask plate and the pixel definition layer to form particles.

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  • Display panel, manufacturing method thereof and display terminal
  • Display panel, manufacturing method thereof and display terminal
  • Display panel, manufacturing method thereof and display terminal

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Embodiment Construction

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application. In addition, it should be understood that the specific embodiments described herein are only used to illustrate and explain the present application, but not to limit the present application. In this application, unless otherwise stated, the directional words used such as "upper" and "lower" generally refer to the upper and lower sides of the device in actual use or working state, specifically the drawing direction in the accompanying drawings ; while "inside...

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Abstract

The invention provides a display panel, a manufacturing method thereof and a display terminal. The display panel comprises a substrate, a pixel definition layer arranged on the substrate, a light-emitting device layer arranged on the pixel definition layer and at least one supporting wall, the pixel definition layer comprises a plurality of first openings arranged in an array mode and second openings located in at least one side of the first openings, and the first openings and the second openings are arranged in a separated mode. The light-emitting device layer comprises a plurality of light-emitting devices arranged in the plurality of first openings, the supporting wall is arranged in the second opening, and the height of the supporting wall is larger than that of the pixel definition layer in the light emitting direction of the display panel; according to the invention, the supporting wall with the height larger than that of the pixel definition layer is arranged, so that the mask plate is not in contact with the surface of the pixel definition layer, the problem of packaging failure caused by particles generated by friction between the mask plate and the surface of the pixel definition layer in the alignment process of the mask plate is avoided or reduced, and the display abnormal phenomena such as small black spots caused by the packaging failure are effectively reduced.

Description

technical field [0001] The present application relates to the field of display technology, and in particular, to a display panel, a manufacturing method thereof, and a display terminal. Background technique [0002] At present, the OLED display panel usually uses an evaporation process to evaporate the luminescent material. In this process, a mask is needed to deposit the luminescent material in the light-emitting area. Among them, the pixel definition layer of the OLED display panel not only defines the light-emitting area, but also supports the mask plate. [0003] However, during the alignment process of the mask plate, the mask plate is likely to scratch the surface of the pixel definition layer to generate particles on the surface. If the volume of the particles is too large, the encapsulation film layer deposited subsequently may not be able to wrap the particles, causing the encapsulation to fail. Water and oxygen molecules will invade the luminescent material along ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/32
CPCH10K59/124H10K59/122
Inventor 黄思雨
Owner SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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