Organic light emitting diode (OLED) pixel array, method for fabricating OLED pixel array, OLED display panel and display device
A pixel array and pixel technology, which is applied in the field of organic electroluminescence, can solve the problems of affecting display effect, dark spots, color edges, etc., and achieve the effects of improving resolution, reducing white space, and compacting arrangement.
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[0047] specific implementation plan
[0048] In the standard RGB pixel array in the prior art, the OLED pixel array is composed of pixel units, and each pixel unit includes sub-pixels of red, green and blue colors (ie R sub-pixel, G sub-pixel, B sub-pixel). Any sub-pixel specifically includes an anode layer, a hole transport layer, an organic material light-emitting layer capable of emitting red / green / blue light, an electron transport layer, a cathode layer, and the like. In one row of the array, both the sub-pixels and the pixel units are side by side, so as to form a pixel row in which R, G, and B sub-pixels are sequentially arranged cyclically.
[0049] A fine metal mask is a high-precision mask with tiny openings. In order to prepare a pixel array, the two sub-pixels in the R / G / B sub-pixels are blocked by using the shielding effect of the mask block blocking area (such as blocking the R sub-pixel and the G sub-pixel), and the deposition corresponding to the other sub-pixe...
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