Multiview three-dimensional display with continuous motion parallax through planar aligned OLED microdisplays

Abstract

Existing multiview three-dimensional (3D) display technologies encounter discontinuous motion parallax problem, due to a limited number of stereo-images which are presented to corresponding sub-viewing zones (SVZs). This paper proposes a novel multiview 3D display system to obtain continuous motion parallax by using a group of planar aligned OLED microdisplays. Through blocking partial light-rays by baffles inserted between adjacent OLED microdisplays, transitional stereo-image assembled by two spatially complementary segments from adjacent stereo-images is presented to a complementary fusing zone (CFZ) which locates between two adjacent SVZs. For a moving observation point, the spatial ratio of the two complementary segments evolves gradually, resulting in continuously changing transitional stereo-images and thus overcoming the problem of discontinuous motion parallax. The proposed display system employs projection-type architecture, taking the merit of full display resolution, but at the same time having a thin optical structure, offering great potentials for portable or mobile 3D display applications. Experimentally, a prototype display system is demonstrated by 9 OLED microdisplays.

Robust Laminated Anode with an Ultrathin Titanium Nitride Layer for High-Efficiency Top-Emitting Organic Light-Emitting Diodes

“…The first commercial microdisplay, which combined inorganic light-emitting diode backlights and liquid crystal displays [ 7 , 8 , 9 ], had a relatively low field angle and a relatively small field of view, making them unsuitable for various applications. Fortunately, organic light-emitting diodes (OLEDs) have been emerging as the emitting pixel of microdisplays due to their advantages in high contrast, fast response, and low-temperature effect [ 10 , 11 , 12 , 13 ]. A feasible way to maximize the display resolution comes from integrating OLEDs with the circuits utilizing complementary metal-oxide-semiconductor (CMOS) transistors on Si [ 14 , 15 ].…”

Foveated glasses-free 3D display with ultrawide field of view via a large-scale 2D-metagrating complex

“…Glasses-free three-dimensional (3D) displays are regarded as one of the most promising technologies that will redefine portable electronics 1 – 7 , yet little progress has been made in the physical foundation of 3D displays. Multiview 3D displays discretize the light field into spaced views to provide a 3D stereoscopic experience for many observers simultaneously 8 – 16 .…”

Progress in organic semiconducting materials with high thermal stability for organic light‐emitting devices

“…[84][85][86][87][88][89][90][91][92][93][94][95] However, when it comes to creating durable OLED displays with a large area (including televisions), further improvement is deemed necessary, both in terms of materials and device structures, to maintain uniform images within several million OLED pixels. [96][97][98][99][100][101][102][103][104][105] F I G U R E 1 A, Illustrations of a typical organic light-emitting device structure and, B, a flat energy band structure. HIL, HTL, EML, ETL, and EIL denote the hole injection layer, hole transport layer, emission layer, electron transport layer, and electron injection layer, respectively.…”

“…Very recently, OLED displays have been demonstrated to be durable upon bending in foldable smartphones in the very first attempts to commercialize foldable OLED displays 84‐95 . However, when it comes to creating durable OLED displays with a large area (including televisions), further improvement is deemed necessary, both in terms of materials and device structures, to maintain uniform images within several million OLED pixels 96–105 . Particular attention is still being paid to the stability of organic semiconducting materials, as their stability governs the overall durability of OLED displays during long‐term operation 106‐111 …”