Unlock instant, AI-driven research and patent intelligence for your innovation.

OLED display panel, preparation method thereof and terminal device thereof

A display panel and encapsulation layer technology, which is applied in semiconductor/solid-state device manufacturing, electrical components, electric solid-state devices, etc., can solve problems affecting service life, failure, and deterioration of the light-emitting layer, so as to prevent water and oxygen intrusion and improve use The effect of longevity

Active Publication Date: 2020-04-24
WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
View PDF7 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the OLED display, after laser cutting in the AA area, external water and oxygen will directly invade into the OLED light-emitting layer below it along the cathode layer (Cathode) in the functional layer, thereby causing the The luminescent layer deteriorates due to the intrusion of external water and oxygen, which leads to its failure and affects its service life

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • OLED display panel, preparation method thereof and terminal device thereof
  • OLED display panel, preparation method thereof and terminal device thereof
  • OLED display panel, preparation method thereof and terminal device thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some, not all, embodiments of the present invention. Based on the implementation manners in the present invention, all other implementation manners obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.

[0039] The terms "first", "second", "third", etc. (if any) in the description and claims of the present invention and the above drawings are used to distinguish similar objects and not necessarily to describe a specific order or sequentially. It should be understood that the items so described are interchangeable under appropriate circumstances. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusiv...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides an OLED display panel, a preparation method thereof and a terminal device thereof. The OLED display panel comprises a substrate layer, a TFT forming layer, a flat layer, an anode, a pixel defining layer, a light emitting layer, a cathode layer and a packaging layer. An undercut structure extending into the substrate layer is further arranged downwards on an interlayer dielectric layer in the TFT forming layer, and a barrier inorganic layer is further arranged on the inner surface of the undercut structure. According to the OLED display panel provided by the invention, the functional layer structure can effectively prevent external water and oxygen from invading the light emitting layer of the OLED display panel.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to an OLED display panel, a preparation method thereof and a terminal device for its application. Background technique [0002] Due to the advantages of self-illumination, high contrast, wide viewing angle, low power consumption, and bendability, organic light-emitting diodes (OLEDs) are generally favored by industry developers and the market public. Correspondingly, the flexible OLED display derived from it has gradually replaced the LCD display due to its performance advantages such as flexibility and thinness, and has become the mainstream display in the market. [0003] With the use of OLED displays, the market's requirements for the display area of ​​the display are getting higher and higher, that is, it is necessary to minimize the width of the frame, increase its screen-to-body ratio, and even require no frame to achieve a "full screen" display. Effect. [0004] Fu...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/32H01L51/52H01L51/56
CPCH10K59/12H10K50/84H10K71/00
Inventor 王一佳曹君
Owner WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD