Abstract: A full-color organic electroluminescence (OEL) display panel includes a substrate and a plurality of full-color OEL pixel devices in a matrix form as a display frame. Each of the pixel devices is composed of a plurality of sub-pixel regions, corresponding to R, G or B colors. Each of the specific color sub-pixel regions in the pixel device abuts the same specific color sub-pixel region of the adjacent pixel device thereof to form a double-sized emission area. With this arrangement of sub-pixel regions, it is easier to manufacture (a) high-resolution full-color OLED panels by a metal-mask alignment process, and (b) high-resolution full-color PLED panels by an ink-jet printing process.

Abstract: An organic electroluminescence device with a low reflectivity includes organic electroluminescence layers, a transparent electrode, a thin metal electrode, a control layer, and an auxiliary electrode. The transparent electrode and the thin metal electrode are sited on both sides of the OEL layer, respectively, in order to excite it to emit light. The auxiliary electrode and the thin metal electrode are mostly separated by a control layer. Both the auxiliary electrode and the thin metal electrode are locally connected to maintain electrically connected. Therefore, the control layer is not necessarily conductive and its material selection is not restricted by the requirement of work function matching with adjacent layers. The disclosed OLED device with a low reflectivity does not require a circular polarizer. It can be used for both active-matrix and passive-matrix OLED displays. The reflection of ambient light can be largely reduced to increase the contrast of the display panel.

Abstract: A dual-screen organic electroluminescent display device is made by encapsulating two independent conventional organic electroluminescent displays inside two substrates to reduce its weight and thickness. Meanwhile, only one encapsulation step is carried out and encapsulation cost would be lower.

Abstract: A full-color organic electroluminescence (OEL) display panel includes a substrate and a plurality of full-color OEL pixel devices in a matrix form as a display frame. Each of the pixel devices is composed of a plurality of sub-pixel regions, corresponding to R, G or B colors. Each of the specific color sub-pixel regions in the pixel device abuts the same specific color sub-pixel region of the adjacent pixel device thereof to form a double-sized area. With this arrangement of sub-pixel regions, it is easier to manufacture high-resolution full-color OLED panels by a metal-mask alignment process and high-resolution full-color PLED panels by an ink-jet printing process.