Array substrate, pixel circuit, display panel and display device
A technology for array substrates and pixel circuits, applied in the field of pixel circuits, display panels and display devices, and array substrates, can solve the problems of display afterimages, aggravate display afterimages, etc., and achieve the effect of weakening the afterimage problem and reducing the charge concentration
Pending Publication Date: 2021-07-13
BOE TECH GRP CO LTD +1
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Problems solved by technology
However, the development of display technology has also encountered many problems. The most prominent problem is display afterimage. The influencing factors of afterimage are related to the capture and release process of electrons / holes by defect states and the concentration and intensity of electrons / holes.
However, in the actual working state of the current array substrate, such as the light-emitting stage, the electrode layer or gate layer will have a positive voltage for a long time, which will easily attract the negative charges of the substrate to the substrate near the electrode layer or gate layer. surface, which aggravates the problem of display afterimages
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[0033] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of them. Based on the embodiments in the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.
[0034] With the rapid development of display technology, users have higher and higher requirements on the display effect of the display screen, and the research on the display effect in the industry has always kept high attention. Among them, the organic light-emitting semiconductor (Organic Light-Emitting Diode, OLED) display panel has...
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The invention relates to the technical field of array substrates, and discloses an array substrate, a pixel circuit, a display panel and a display device. The array substrate comprises a substrate, a first electrode layer, a first insulating layer and a second electrode layer, the first electrode layer is located at the side close to the substrate, the first insulating layer is arranged between the first electrode layer and the second electrode layer, and a constant negative voltage signal is connected to the first electrode layer or the second electrode layer. Compared with the prior art, by connecting the constant negative voltage signalto the first electrode layer or the second electrode layer, the attraction of the array substrate to the negative charges in the substrate in the working process is reduced, the phenomenon that the charges in the substrate are accumulated on the surface of the substrate close to the first electrode layer or the second electrode layer after working for a longer time is avoided, the surface charge concentration of the substrate is reduced, and a residual image problem is weakened.
Description
technical field [0001] The present application relates to the technical field of array substrates, in particular to an array substrate, a pixel circuit, a display panel and a display device. Background technique [0002] OLED (Organic Light-Emitting Diode) display is an all-solid-state, active light-emitting display. OLED displays have the characteristics of high brightness, high contrast ratio, ultra-thin and ultra-light, low power consumption, no viewing angle limitation, and wide operating temperature range, so they are considered to be the emerging next-generation displays. However, the development of display technology has also encountered many problems. The most prominent problem is display afterimages. The influencing factors of afterimages are related to the capture and release process of electrons / holes by defect states and the concentration of electrons / holes. However, in the actual working state of the current array substrate, such as the light-emitting stage, th...
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IPC IPC(8): H01L27/32G09G3/3225
CPCG09G3/3225H10K59/122H10K59/12
Inventor 郭永林肖云升高文辉
Owner BOE TECH GRP CO LTD