Display panel and display device

A technology for display panels and display areas, which is applied to semiconductor devices, electrical components, circuits, etc., can solve the problems of reducing the display quality of organic light-emitting display panels, the color shift of the display panels, and the degree of variation, etc., so as to improve the display quality, increase the Light output efficiency, reducing the effect of brightness attenuation

Active Publication Date: 2019-08-23
WUHAN TIANMA MICRO ELECTRONICS CO LTD
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Problems solved by technology

Due to the difference in the performance of different colors of light, the brightness of the light emitted by pixels of different colors varies in different degrees under large viewing angles, resulting in differences in brightness between sub-pixels of different colors in the organic light-emitting display panel under large viewing angles. Causes color shift on the display panel
Generally, an organic light emitting display panel includes red, green, and blue sub-pixels, and the brightness attenuation of the blue sub-pixel is less at a large viewing angle, so that the screen of the organic light emitting display panel appears blue at a large viewing angle. When the viewing angle of the panel is significantly increased in the curved state, the blue phenomenon of the picture is more serious, which reduces the display quality of the organic light-emitting display panel

Method used

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Embodiment Construction

[0041] In order to better understand the technical solutions of the present invention, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0042] It should be clear that the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0043] Terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a", "said" and "the" are also intended to include the plural forms unless the context clearly indicates otherwise.

[0044] It should be understood that the term "an...

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Abstract

The embodiment of the invention provides a display panel and a display device. The display panel comprises a display area including a plurality of sub-pixels defined by a pixel defining structure. Along the direction from the central position to the boundary of the display area, the angle of slope of the pixel defining structure is gradually decreased among the sub-pixels of at least one color, such that an organic light-emitting material in an open region near the boundary of the display area has relatively high light-emitting efficiency, thereby solving the serious brightness attenuation ata large viewing angle at the boundary of the display area, reducing the brightness attenuation at the large viewing angle, weakening a color cast phenomenon, and further improving the display qualityof the display panel.

Description

[0001] 【Technical field】 [0002] The present invention relates to the field of display technology, in particular to a display panel and a display device. [0003] 【Background technique】 [0004] With the development of display technology, various types of display panels, such as liquid crystal display panels, organic light-emitting display panels, and electronic paper display panels, are more and more widely used. Among them, the organic light emitting display panel includes an organic light emitting diode (Organic Light Emitting Diode, referred to as OLED) display panel. The OLED display panel has the advantages of self-illumination, wide viewing angle, almost infinitely high contrast, low power consumption, and extremely high response speed. In addition, the organic light-emitting display panel can be made into a flexible display panel, which is easy to bend. [0005] When the organic light-emitting display panel is in a curved state, the viewing angle of the observer will ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/32
CPCH10K59/353H10K59/122
Inventor 张国峰曹兆铿陈海晶胡天庆
Owner WUHAN TIANMA MICRO ELECTRONICS CO LTD
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