The first electrode layer including a plurality of pixelated first electrodes is disposed on a surface of the substrate.
The organic multilayer is disposed on the pixelated first electrodes.
The second electrode layer is disposed on the organic multilayer.
The display apparatus further includes a plurality of OLED lighting elements arranged in a matrix on the substrate, and each of the plurality of OLED lighting elements includes a portion of the organic multilayer sandwiched by a pixelated first electrode and the second electrode layer.
The display apparatus further includes an uneven surface structure or a porous structure disposed underneath the first-type carrier auxiliary layer between adjacent OLED lighting elements.
The first-type carrier auxiliary layer may be a hole transport layer and the second-type carrier auxiliary layer may be an electron transport layer. Alternatively the first-type carrier auxiliary layer may be an electron transport layer and the second-type carrier auxiliary layer may be a hole transport layer. The first-type carrier auxiliary layer and the second carrier auxiliary layer may further include carrier injection auxiliary layer and carrier transport auxiliary layer.
In a second aspect, an embodiment of the present disclosure provides a manufacturing method of a display apparatus. The method includes multiple steps in process sequence as described below.
A substrate is provided and includes a matrix of pixel driving circuit, pixel selection means, data writing and reset means, and a plurality of power supply lines.
A first electrode layer is formed and patterned on the substrate, and the first electrode layer includes a plurality of pixelated first electrodes.