Organic light emitting display panel and display device
A light-emitting display and organic technology, applied in semiconductor devices, electrical components, circuits, etc., can solve the problems of long microcavity, unfavorable wide viewing angle display of organic light-emitting display panels, and large color shift of organic light-emitting display panels, so as to prevent color shift problem effect
Active Publication Date: 2020-06-05
WUHAN TIANMA MICRO ELECTRONICS CO LTD
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[0005] However, when adopting the first method, it is necessary to use multiple masks to make the organic light-emitting display panel. When adopting the second method, the number of masks required is reduced, but the white light-emitting part has a monolithic structure. , the longer the microcavity, the larger the color shift of the organic light-emitting display panel, which is not conducive to the realization of the wide viewing angle display of the organic light-emitting display panel
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[0058] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals denote the same or similar structures in the drawings, and thus their repeated descriptions will be omitted. The words expressing position and direction described in the present invention are all described by taking the accompanying drawings as an example, but changes can also be made according to needs, and all changes are included in the protection scope of the present invention. The accompanying drawings of th...
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Abstract
The invention relates to the technical field of display, in particular to an organic light emitting display panel and a display device. The organic light emitting display panel comprises a substrate,a first electrode, an organic layer, a second electrode and a third electrode, wherein the organic layer comprises a first light emitting layer and a second light emitting layer, the first light emitting layer and the second light emitting layer are overlapped in a direction perpendicular to the substrate, light emitted from the first light emitting layer and the second light emitting layer are mixed to form white light, the second electrode is arranged at one side, deviating from the substrate, of the organic layer, the third electrode is arranged between the first light emitting layer and the second light emitting layer, the organic light emitting display panel comprises a first sub-pixel, a second sub-pixel and a third sub-pixel which are arranged in an array way, in an emergent direction of the organic light emitting display panel, the first sub-pixel is corresponding to a first color filter, the second sub-pixel is corresponding to a second color filter, and the projection of thethird electrode in the direction perpendicular to the substrate covers the projection of a light emitting region of the third sub-pixel. By the scheme, the color cast of the organic light emitting display panel can be reduced.
Description
technical field [0001] The present invention relates to the field of display technology, in particular to an organic light emitting display panel and a display device. Background technique [0002] With the continuous upgrading of display technology, the application of organic light-emitting display panels is becoming more and more extensive. When designing the structure of an organic light-emitting display panel, in order to achieve full-color display, the following two methods are currently commonly used: [0003] The first one is to provide light-emitting parts that can emit different colors. For example, an organic light-emitting display panel may include a red light-emitting part, a green light-emitting part and a blue light-emitting part, which are arranged side by side, and emit red light, green light and blue light respectively, so as to finally realize full-color display. [0004] The second type is to set a white light emitting part, and arrange light filters in ...
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IPC IPC(8): H01L27/32H01L51/50H01L51/52
Inventor 程爽王湘成牛晶华滨田
Owner WUHAN TIANMA MICRO ELECTRONICS CO LTD