QLED having optical microcavity structure and preparation method thereof
An optical microcavity and quantum dot light-emitting technology, which is applied in the direction of electrical components, circuits, semiconductor devices, etc., can solve the problem that the performance of QLED devices is difficult to improve and achieve good market prospects, simple and easy to control, and increase luminous intensity Effect
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[0020] In order to make the technical problems, technical solutions, and beneficial effects to be solved by the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0021] Combine Figure 2-5 The embodiment of the present invention provides a QLED with an optical microcavity structure, including a first electrode 1, a quantum dot light-emitting layer 4, and a second electrode 7 stacked in sequence, wherein the first electrode 1, the second electrode The two electrodes 7 are respectively an anode and a cathode; or the first electrode 1 and the second electrode 7 are respectively a cathode and an anode, and further includes a side of the first electrode 1 away from the quantum dot light-emitting layer 4 The optical microcavit...
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