Spread and retraction dynamics of droplet coalescence on a rectangular pixel for organic light-emitting diode inkjet printing

4.2: Design of an Improved Pixel for a Polysilicon Active Matrix Organic Light Emitting Diode Display

A polysilicon transistor based active matrix organic light emitting diode (AMOLED) pixel with high pixel to pixel luminance uniformity is reported. The new pixel powers the OLEDs with small constant currents to ensure consistent brightness and extended life. Excellent pixel to pixel current drive uniformity is obtained despite the threshold voltage variation inherent in polysilicon transistors....

Optimization of organic light emitting diode structures

This paper was published in Proceedings of SPIE 5277 (2004) and is made available as an electronic reprint with permission of SPIE. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of...

Overview of All Pixel Circuits for Active Matrix Organic Light Emitting Diode (AMOLED)

Micro-Cavity in Organic Light-Emitting Diode

The study on micro-cavity in organic light-emitting diode(OLED) demands understanding the theory of multi-layer films. It is because OLED is basically an optical device and its structure consists of organic or inorganic layers of sub-wavelength thickness with different refractive indices. When the electron and holes are injected through the electrodes, they combine in the emission layers emitti...

Field Emission Organic Light Emitting Diode

In recent years, the developments in the OLEDs have gradually reached very advantageous of existence. These advantageous characteristics include self-luminous, wide viewing angle and low power consumption, etc. which make OLEDs very useful for numerous display applications and lighting devices. To effectively improve the characteristics of an OLEDs, there are many ways to be adopted. Such as: (...