Advanced Technologies for Large-Sized OLED Display

Abstract

Five years have passed, since the first 55″ full high-definition (FHD) OLED TV fabricated on Gen 8.5 glass was successfully launched into the TV market. For the time being, the size of OLED TV became diverse from 55″ to 77″, and the resolution was doubled into ultrahigh definition (UHD). The brightness and color gamut were enhanced, while the lower power consumption was realized. Utmost picture quality and slim form factor of OLED TV as well as the improved performance have made OLED TV recognized as the best premium TV. In this chapter, we describe the recent progress in three key technologies, which enable such an enhancement of performance in OLED TV, i.e., oxide thinfilm transistor (TFT) and white organic light-emitting diode (WOLED), compensation circuit, and method to compensate the nonuniformity of oxide TFTs, OLED devices, and luminance.

Flexible Printed OLED TV has Potential to Create a New Application Market

“…In emissive‐type RGB patterning technology for the next‐generation premium TV, there are three competing technologies: white OLED (WOLED) + color filter (CF) technology 4 (current mainstream of OLED TV mass production technology), QD‐OLED technology (starting mass production), and RGB printing technology (starting pilot production for special monitor products and under development for TV applications). Table 1 compares the product performance of these three technologies in terms of device architecture for flexible printed displays, 8K high‐resolution capability, image quality, and cost competitiveness.…”

52‐1: Invited Paper: Technical Progress of OLED Displays for Premium TVs

“…OLEDs provide a number of major technology enhancements for display such as high contrast ratio, wide viewing angle, high brightness and very fast response time. Moreover, OLEDs could be used to make, transparent display, and flexible display [3].…”

Picture Quality and Sound Quality of OLED TVs

“…For example, in this emissive display, there are plasma display panel (PDP), light-emitting diode (LED) and OLED which will be investigated in this chapter. OLED technology has been recently adopted for large TV displays and commercial displays as well as mobile displays [3].…”