Organic light emitting diode oled display panel and display device
A technology of light-emitting diodes and display panels, which is applied in semiconductor devices, electrical components, circuits, etc., can solve problems such as limiting the improvement of PPI, defective pixel deviation products, etc., and achieve the effect of improving PPI and increasing opening density
Active Publication Date: 2021-01-22
KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD
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Problems solved by technology
However, the higher the PPI, the smaller the evaporation margin, and the higher the requirements for the fine metal mask (Fine Metal Mask, FMM), which will cause pixel deviation and lead to high product defects, which limits the further improvement of PPI
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[0031] The characteristics and exemplary embodiments of various aspects of the present invention will be described in detail below. In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only configured to explain the present invention, not to limit the present invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present invention by showing examples of the present invention.
[0032] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and ...
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The embodiment of the invention discloses an organic light-emitting diode (OLED) display panel and a display device. The OLED display panel comprises a substrate, an organic light-emitting layer and an optical processing structure, wherein the organic light-emitting layer is arranged on the substrate and comprises a plurality of first sub-pixels, a plurality of second sub-pixels and a plurality ofthird sub-pixels, the optical processing structure is arranged on the organic light-emitting diode and comprises a plurality of reflecting parts, first color light can be sequentially reflected by atleast two reflecting parts in the plurality of reflecting parts when the first color light is emitted out from the first sub-pixels, the first color light is emitted towards a part above the opticalprocessing structure, the sub-pixel at a lower part of the reflecting part for last reflection is the second sub-pixel or the third sub-pixel, and the colors of light emitted from the first sub-pixels, the second sub-pixels and the third sub-pixels are different. With the OLED display panel disclosed by the embodiment of the invention, PPI of the OLED display panel can be improved.
Description
technical field [0001] The invention relates to the field of display technology, in particular to an organic light emitting diode (OLED) display panel and a display device. Background technique [0002] Organic light-emitting diode (Organic Light-Emitting Diode, OLED) displays are gradually occupying a dominant position in flat-panel displays due to many advantages such as active light emission, high contrast ratio, fast response speed, and thinness. At present, OLED displays have been widely used in various high-performance display fields such as mobile phones, TVs, computers, and smart watches. [0003] With the continuous improvement of living standards and the improvement of productivity levels, the market's pursuit of high-definition and high-resolution products is becoming more and more urgent. However, the resolution of traditional OLED display panels generally has less than 250 pixels per inch (Pixel Per Inch, PPI). The higher the PPI value, the higher the pixel den...
Claims
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IPC IPC(8): H01L51/52H01L27/32
Inventor 赵莹刘明星王徐亮张玄甘帅燕高峰
Owner KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD