Display panel, display device and manufacturing method of display panel
A technology for display panels and array substrates, applied in semiconductor devices, electrical components, circuits, etc., can solve problems such as poor connection between cathodes and auxiliary electrodes, and achieve improved display effects and improved connection reliability
Active Publication Date: 2021-11-09
SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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[0003] The embodiment of the present application provides a display panel, a display device, and a method for manufacturing a display panel, which can solve the problem of poor connection between the cathode and the auxiliary electrode in the prior art
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[0042] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of this application. In addition, it should be understood that the specific embodiments described herein are only used to illustrate and explain the present application, but not to limit the present application. In this application, unless otherwise stated, the directional words used such as "upper" and "lower" generally refer to the upper and lower sides of the device in actual use or working state, specifically the drawing direction in the accompanying drawings ; while "inside" and...
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Abstract
The embodiment of the invention discloses a display panel, a display device and a manufacturing method of the display panel. The display panel comprises an array substrate, a pixel definition layer, a first auxiliary electrode, a light-emitting layer and a cathode layer, wherein the pixel definition layer and the first auxiliary electrode are arranged on the array substrate, the first auxiliary electrode comprises a conductive connecting part and a blocking part which are sequentially arranged in the direction away from the array substrate, and the blocking part extends out of the first side of the conductive connecting part; the light-emitting layer and the cathode layer are sequentially arranged on the pixel defining layer, and a cathode of the cathode layer is electrically connected with the surface of the first side of the conductive connecting part. According to the embodiment of the invention, the first auxiliary electrode comprises the conductive connecting part and the blocking part which are sequentially arranged in the direction away from the array substrate, and the blocking part extends out of the first side of the connecting part, so that the cathode of the cathode layer can be directly and electrically connected with the surface of the first side of the conductive connecting part in the forming process; therefore, the connection reliability of the cathode and the first auxiliary electrode is improved, and the display effect of the display panel is improved.
Description
technical field [0001] The present application relates to the field of display, and in particular, to a display panel, a display device and a manufacturing method of the display panel. Background technique [0002] With the rapid development of display panels, the demand for large-sized display panels is also increasing. However, when large-sized display panels (especially top-emitting panels) work, there are internal resistance voltage drops in different areas of the display panel, resulting in uneven display. Therefore, auxiliary electrodes are often made in the display panel to apply additional assistance to the area with a large voltage drop, so that the screen display is uniform and stable when the entire panel is in operation. However, in the prior art, the connection effect between the cathode and the auxiliary electrode is poor, thereby affecting the display effect of the display panel. SUMMARY OF THE INVENTION [0003] Embodiments of the present application provi...
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IPC IPC(8): H01L27/32
CPCH10K59/122H10K59/123H10K59/124
Inventor 张良芬
Owner SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD