阅读说明：本技术 一种采用混合型发光二极管的显示屏幕及其制备方法 (Display screen adopting mixed type light-emitting diode and preparation method thereof ) 是由 吕泉 刘书毅 徐刚 金陶煐 何为 于 2018-08-29 设计创作，主要内容包括：本申请提供了一种采用混合型发光二极管的显示屏幕及制造方法。该显示屏幕包括：背板、第一导电层、红色量子点发光二极管QLED、绿色QLED、蓝色有机发光二极管OLED和第二导电层,其中,第一导电层位于背板的表面,第一导电层的极性为阳极；红色QLED、QLED和蓝色OLED分别位于第一导电层表面的第一区域、第二区域和第三区域,红色QLED是采用红色量子点作为发光层的发光二极管,绿色QLED是采用绿色量子点作为发光层的发光二极管,蓝色OLED是采用蓝色有机发光材料作为发光层的发光二极管,第一区域、第二区域和第三区域中的任意两个区域之间互不重叠；第二导电层位于红色QLED、绿色QLED和蓝色OLED的表面,第二导电层的极性为阴极。本申请的显示屏幕在具有较广色域范围的同时又具有较长的寿命。(The application provides a display screen adopting a mixed type light emitting diode and a manufacturing method thereof. The display screen includes: the LED backlight module comprises a back plate, a first conducting layer, a red quantum dot light emitting diode (QLED), a green QLED, a blue Organic Light Emitting Diode (OLED) and a second conducting layer, wherein the first conducting layer is positioned on the surface of the back plate, and the polarity of the first conducting layer is an anode; the red QLED, the QLED and the blue OLED are respectively positioned in a first area, a second area and a third area on the surface of the first conductive layer, the red QLED is a light-emitting diode adopting red quantum dots as a light-emitting layer, the green QLED is a light-emitting diode adopting green quantum dots as a light-emitting layer, the blue OLED is a light-emitting diode adopting a blue organic light-emitting material as a light-emitting layer, and any two areas of the first area, the second area and the third area are not overlapped with each other; the second conducting layer is arranged on the surfaces of the red QLED, the green QLED and the blue OLED, and the polarity of the second conducting layer is a cathode. The display screen has a wide color gamut range and a long service life.)