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OLED display panel, preparation 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 the problems of OLED display panel poor transmittance, unfavorable camera shooting effect under the screen, etc., and achieve enhanced overall transmittance efficiency, avoid membrane layer separation, and improve the effect of adsorption

Active Publication Date: 2021-07-13
WUHAN 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

Especially in the application of the camera under the screen, the poor transmittance of the OLED display panel is not conducive to ensuring that the camera under the screen has a good shooting effect

Method used

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  • OLED display panel, preparation method thereof and display device
  • OLED display panel, preparation method thereof and display device
  • OLED display panel, preparation method thereof and display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] figure 1 A plan view of the OLED display panel provided in Embodiment 1 of the present application.

[0054] like figure 1 As shown, the present embodiment provides an OLED display panel 100, which includes a first display area 100a and a second display area 100b surrounding the first display area 100a.

[0055] figure 2 is a cross-sectional view of the first display area provided by Embodiment 1 of the present application; image 3 is a cross-sectional view of the second display area provided by Embodiment 1 of the present application.

[0056] like Figure 2-Figure 3 As shown, the OLED display panel 100 further includes a substrate 10 , a pixel definition layer 20 , a spacer layer 30 , a light emitting layer 40 , a cathode 50 and an encapsulation layer 60 .

[0057] The substrate 10 extends from the first display area 100a to the second display area 100b.

[0058] Specifically, the substrate 10 includes a substrate layer 101 , a thin film transistor layer 102 ,...

Embodiment 2

[0117] This embodiment provides an OLED display panel, a manufacturing method thereof, and a display device, including most of the technical solutions of Embodiment 1, the difference being that the spacer layer is only disposed in the first display region.

[0118] Figure 11 A cross-sectional view of the OLED display panel provided in Example 2 of the present application.

[0119] Specifically, such as Figure 11 As shown, the spacer layer 30 has a first spacer structure 30a, and the first spacer structure 30a is correspondingly disposed on the isolation structure 201 of the first display region 100a. The light emitting layer 40 is disposed in the pixel openings 202 of the first display area 100a and the second display area 100b. The cathode 50 is disposed on the light emitting layer 40 of the first display area 100a and the second display area 100b. In the first display area 100a, a luminescent layer 40 is located between two adjacent first spacer structures 30a; the cath...

Embodiment 3

[0122] This embodiment provides an OLED display panel, a manufacturing method thereof, and a display device, including all the technical solutions of Embodiment 1 or Embodiment 2, the difference being that the spacer layer is provided with a slot.

[0123] Figure 12 A cross-sectional view of the first display area provided for Embodiment 3 of the present application; Figure 13 is a cross-sectional view of the second display area provided by Embodiment 3 of the present application.

[0124] like Figure 12-Figure 13 As shown, this embodiment provides an OLED display panel, and the first spacer structure 30 a and the second spacer structure 30 b each have a locking groove 301 . The encapsulation layer 60 is disposed on the cathode 50 and disposed in the slot 301 , wherein the encapsulation layer 60 forms an engaging portion 601 in the slot.

[0125] Specifically, in the first display area 100a, the encapsulation layer 60 is provided on the upper surface of the cathode 50 an...

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Abstract

The invention discloses an OLED display panel and a preparation method thereof, and a display device. The OLED display panel comprises a first display area and a second display area, and also comprises a substrate which extends from the first display area to the second display area; a pixel definition layer which is arranged on the substrate and is arranged in the first display area and the second display area, wherein the pixel definition layer comprises a plurality of isolation structures and pixel openings formed between every two adjacent isolation structures; an isolation cushion layer which comprises a plurality of first isolation cushion structures, wherein the first isolation cushion structures are arranged on the isolation structures of the first display area; a light-emitting layer which is arranged in the pixel openings of the first display area and the second display area; and a cathode which is arranged on the light emitting layer of the first display area and the second display area, and extends to the side face of the first isolation pad structure in the first display area.

Description

technical field [0001] The present application relates to the display field, in particular to an OLED display panel, a manufacturing method thereof, and a display device. Background technique [0002] Organic Electroluminescent Display (OLED) has gradually become the mainstream in the field of display due to its low power consumption, high color saturation, wide viewing angle, thin thickness, and flexibility. Terminal products such as smartphones, tablets, and TVs. [0003] In recent years, the development of the mobile terminal market has stimulated the progress of new display technologies. In order to meet the demand for large-screen display and high screen-to-body ratio of mobile terminals, the mobile phone industry has introduced the concept of full screen in the past two years, aiming to increase the screen-to-body ratio of mobile phone screens. In order to achieve the ideal full-screen display state, relevant practitioners around the world have carried out many theore...

Claims

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Application Information

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IPC IPC(8): H01L27/32H01L51/52H01L51/56
CPCH10K59/122H10K50/822H10K50/8428H10K71/00
Inventor 杜骁张怀
Owner WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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