Preparation method and preparation device of organic electroluminescence device and organic electroluminescence device
An electroluminescent device and electroluminescent technology, applied in the field of electronics, can solve problems such as large light loss, and achieve the effect of increasing light output and improving luminous efficiency
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[0057] Based on the above analysis of the inventor of this application, this application proposes a method such as image 3 The preparation method of the organic electroluminescent device shown, such as image 3 Shown, including:
[0058] Step 300: Adjust the grating period of the periodic grating structure so that the wavelength of the light wave coupled and emitted by the SP is within the preset range of the luminescence peak of the organic electroluminescent device.
[0059] Organic electroluminescent devices can be divided into two structures according to the direction of light exiting the device: one is a bottom-emitting device, and the other is a top-emitting device.
[0060] In this step, the grating period can be adjusted through the process. Taking the top-emitting device as an example, the grating period can be adjusted by changing the grating pattern period corresponding to the mask of the metal reflective anode. For example, the luminescence peak value of the organic ele...
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