Display panel, manufacturing method thereof and display device
A display panel and display area technology, which is applied in semiconductor/solid-state device manufacturing, semiconductor devices, electrical components, etc., can solve problems such as large thickness step difference, achieve the effects of reducing step difference, eliminating optical difference, and improving display effect
Pending Publication Date: 2022-06-21
BOE TECH GRP CO LTD +1
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Problems solved by technology
[0005] The purpose of the present disclosure is to overcome the problem that the planarization layer of the display panel has a large thickness difference between the center and the edge, and to provide a display panel, a manufacturing method thereof, and a display device
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[0042] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments, however, can be embodied in various forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed descriptions will be omitted. Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale.
[0043] Although relative terms such as "upper" and "lower" are used in this specification to describe the relative relationship of one component of an icon to another component, these terms are used in this specification only for convenience, such as according to the direction of the example descri...
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Abstract
The invention relates to a display panel, a manufacturing method thereof and a display device, a spacer part is added between a substrate of the display panel and a buffer layer, the thickness of the spacer part in a non-display area is larger than that of the spacer part in a display area, and the height of a planarization layer at the edge of the display area is increased to be higher than the height of the planarization layer in the center of the display area through the spacer part. The height of the planarization layer at the edge of the display area tends to be consistent with the height of the center of the display area, so that the segment difference of the planarization layer between the center and the edge of the display area is reduced, and the optical path difference of pixel units located at the center and the edge of the display area is small. The optical difference between the pixel units in the center of the display area and the pixel units on the edge is reduced or eliminated, and finally the display effect of the display panel is improved.
Description
technical field [0001] The present disclosure relates to the field of display technology, and in particular, to a display panel, a manufacturing method thereof, and a display device. Background technique [0002] In the display field, OLED display is considered to be the next-generation flat-panel display emerging application technology due to its excellent characteristics. With the continuous pursuit of people's quality of life, the OLED panel market has developed rapidly. Among them, ultra-narrow bezels and full-screen display panels are widely welcomed. [0003] The thickness difference between the center and the edge of the flattening layer of the display panel is large, so that the slope formed between the center and the edge of the flattening layer is large, resulting in a large optical path difference between the pixel units located in the center and the edge of the display area. , thereby affecting the optical display effect. [0004] It should be noted that the i...
Claims
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IPC IPC(8): H01L27/32H01L51/52H01L51/56
CPCH10K59/88H10K59/122H10K50/84H10K71/00
Inventor 解洋杨璐史大为郭钟旭白鑫
Owner BOE TECH GRP CO LTD