OLED display panel and manufacturing method thereof
A technology for display panels and manufacturing methods, applied in semiconductor/solid-state device manufacturing, organic semiconductor devices, electrical components, etc., can solve problems such as threshold voltage offset, offset, and influence on TFT characteristics, so as to prevent light leakage current and ensure characteristics, the effect of maintaining normal operation
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[0040] In order to further illustrate the technical means adopted by the present invention and its effects, the following describes in detail in conjunction with preferred embodiments of the present invention and accompanying drawings.
[0041] see Figure 5 The present invention firstly provides an OLED display panel, comprising a base substrate 10, a light-shielding metal block 21 disposed on the base substrate 10, a buffer layer 30 disposed on the light-shielding metal block 21 and the base substrate 10, and On the buffer layer 30 and corresponding to the active layer 41 above the light-shielding metal block 21 , the gate insulating layer 42 disposed on the active layer 41 , the gate disposed on the gate insulating layer 42 43. The interlayer insulating layer 44 disposed on the gate 43, the active layer 41 and the buffer layer 30, disposed on the interlayer insulating layer 44 and corresponding to the first pass on both sides of the active layer 41 The hole 441 and the sec...
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