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Display panel, display substrate and preparation method thereof

A display substrate and display panel technology, which is applied in semiconductor/solid-state device manufacturing, electrical components, electric solid-state devices, etc., can solve the problem of low ink utilization rate and achieve the effect of improving utilization rate

Pending Publication Date: 2021-08-24
BOE TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the utilization rate of ink in this inkjet printing technology is low

Method used

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  • Display panel, display substrate and preparation method thereof
  • Display panel, display substrate and preparation method thereof
  • Display panel, display substrate and preparation method thereof

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Embodiment Construction

[0029] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of devices consistent with aspects of the present disclosure as recited in the appended claims.

[0030] The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to limit the present disclosure. Unless otherwise defined, the technical terms or scientific terms used in the present disclosure shall have the usual meanings understood by those skilled in the art to which the present disclosure belongs. "First", "second" and sim...

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PUM

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Abstract

The invention provides a display panel, a display substrate and a preparation method of the display substrate. The display substrate comprises a substrate; a pixel defining layer which is arranged on the substrate and comprises a plurality of first pixel defining strips extending in the first direction and a plurality of second pixel defining strips extending in the second direction, wherein the first direction intersects with the second direction; the surface, back to the substrate, of the first pixel defining strip is located on the side, away from the substrate, of the surface, back to the substrate, of the second pixel defining strip; the first pixel defining strips are arranged in the first direction, the second pixel defining strips are arranged between every two adjacent first pixel defining strips, at least one second pixel defining strip in the second direction comprises a first pixel defining part and a second pixel defining part, and the thickness of the first pixel defining part is greater than that of the second pixel defining part. The ink utilization rate can be improved.

Description

technical field [0001] The present disclosure relates to the field of display technology, in particular to a display panel, a display substrate and a preparation method thereof. Background technique [0002] OLED (Organic Light Emitting Diode, Organic Light Emitting Diode) display device has become a very competitive and A class of display devices with good development prospects. The film-forming methods of OLED display devices mainly include evaporation process and solution process. The evaporation process is relatively mature in small-scale applications, and this technology has been applied in mass production. The solution process film forming methods mainly include inkjet printing, nozzle coating, spin coating, screen printing, etc., among which inkjet printing technology is considered to be an important way to achieve mass production of large-size OLEDs. However, the utilization rate of ink in this inkjet printing technology is low. Contents of the invention [000...

Claims

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Application Information

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IPC IPC(8): H01L51/56H01L51/50H01L27/32
CPCH10K59/122H10K71/135H10K50/11
Inventor 胡春静张月
Owner BOE TECH GRP CO LTD