Display panel and display device

A technology for display panels and substrates, which is applied to semiconductor devices, electrical components, circuits, etc., can solve problems such as the reduction of luminous efficiency, and achieve the effects of improving luminous efficiency, reducing luminous flux, and improving contrast.

Active Publication Date: 2021-08-06
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

[0005] The embodiment of the present application provides a display panel and a display device to improve the technical problem of the current display panel that the luminous efficiency is reduced due to the installation of polarizers

Method used

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  • Display panel and display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Such as figure 1 As shown in , it is a cross-sectional structure diagram of the display panel provided by the first embodiment of the present application.

[0035] The display panel 100 provided in the embodiment of the present application may include a substrate 10 , an array structure layer 20 located on the substrate 10 , a light emitting functional layer 30 located on the array structure layer 20 , a light emitting functional layer located on the light emitting functional layer 30 The thin film encapsulation layer 40 , the touch layer 50 and the cover layer 70 located on the thin film encapsulation layer 40 .

[0036] In this embodiment, the light-emitting functional layer 30 includes a plurality of light-emitting devices, one of the light-emitting devices corresponds to one of the first openings 611, and the outgoing light emitted by the light-emitting devices is guided out to the The display panel 100 is described.

[0037] Specifically, an optical adjustment la...

Embodiment 2

[0051] Specifically, this embodiment is the same or similar to Embodiment 1, the only difference is:

[0052] Such as image 3 As shown in , it is a cross-sectional structure diagram of the display panel provided by the second embodiment of the present application.

[0053] In this embodiment, the dimming unit 62 includes a first transparent layer 621 and a second transparent layer 622 located on the first transparent layer 621, and the second transparent layer 622 is far away from the first transparent layer. A surface on one side of the transparent layer 621 is located on the same plane as a surface of the black matrix 61 on a side away from the substrate 10 . The advantage of this arrangement is to effectively avoid external water vapor remaining on the interface between the dimming unit 62 and the black matrix 61, thereby reducing the erosion of the external water vapor on the interface between the dimming unit 62 and the black matrix 61 .

[0054] In view of the techni...

Embodiment 3

[0056] Such as Figure 4 As shown in FIG. 1 , is a cross-sectional structure diagram of the display panel provided by the third embodiment of the present application.

[0057] In the embodiment of the present application, the dimming unit 62 includes a first transparent layer 621 and a second transparent layer 622 located on the first transparent layer 621, the second transparent layer 622 is far away from the The substrate 10 is provided; wherein, the refractive index of the first transparent layer 621 is smaller than the refractive index of the second transparent layer 622 .

[0058] In the embodiment of the present application, at least one first protrusion 6211 is provided on the surface of the first transparent layer 621 away from the substrate 10, and the second transparent layer 622 is close to the first transparent layer. One side of the optical layer 621 has a first groove 6221 corresponding to the first protrusion 6211 . The first protrusions 6211 can reflect the r...

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Abstract

The embodiment of the invention provides a display panel and a display device. According to the display panel, an optical adjustment layer is arranged between a touch layer and a cover plate layer to replace a polaroid, the optical adjustment layer comprises a black matrix and a plurality of dimming units, the black matrix comprises a plurality of first openings, at least one dimming unit is arranged in one first opening, emergent light of the display panel is led out through the dimming units, the refractive index of the side, close to the substrate, of the dimming unit is smaller than that of the side, away from the substrate, of the dimming unit, and meanwhile the dimming units are provided with two high-light-transmittance materials with different refractive indexes, so that external incident light is totally reflected on an interface between the two high-light-transmittance materials with different refractive indexes and is absorbed by the black matrixes located on the two adjacent sides of the adjusting unit, the luminous flux of ambient light entering the display panel is reduced, meanwhile, the contrast ratio of the display panel is improved, and the light emitting efficiency of the display panel is further improved.

Description

technical field [0001] The present application relates to the field of display technology, in particular to a display panel and a display device. Background technique [0002] Active Matrix Organic Light Emitting Diode (AMOLED) display panels are driven by thin-film transistors, which can light up each pixel individually, with high brightness, high resolution, low power consumption, and easy color realization. It has advantages such as optimization and large-area display, and it is a method commonly used now. [0003] During the manufacturing process of the above-mentioned display panel, a circular polarizer is usually arranged outside the display surface to reduce the luminous flux of ambient light entering the display panel, improve the contrast of the display panel, and enhance the visibility of the picture. However, the transmittance of the circular polarizer is usually about 42%, which greatly reduces the luminous efficiency of the display panel. [0004] Therefore, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/52H01L27/32
CPCH10K59/40H10K59/12H10K50/84H10K50/85H10K50/858H10K50/865
Inventor 袁涛黄金昌
Owner WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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