Novel Full Color Flat Panel Display Technology Employing High Performance, Crystalline Organic Semiconductor Light Emitting Diodes

1998 ◽  
Author(s):  
Stephen R. Forrest ◽  
Mark E. Thompson ◽  
Juan Lam
Nanoscale ◽  
2018 ◽  
Vol 10 (2) ◽  
pp. 592-602 ◽  
Author(s):  
Jiangyong Pan ◽  
Changting Wei ◽  
Lixi Wang ◽  
Jinyong Zhuang ◽  
Qianqian Huang ◽  
...  

This work demonstrates high performance inverted full-color QLEDs by controlling electron transport and preventing exciton quenching.


Micromachines ◽  
2019 ◽  
Vol 10 (8) ◽  
pp. 492 ◽  
Author(s):  
Ha Quoc Thang Bui ◽  
Ravi Teja Velpula ◽  
Barsha Jain ◽  
Omar Hamed Aref ◽  
Hoang-Duy Nguyen ◽  
...  

We have demonstrated full-color and white-color micro light-emitting diodes (μLEDs) using InGaN/AlGaN core-shell nanowire heterostructures, grown on silicon substrate by molecular beam epitaxy. InGaN/AlGaN core-shell nanowire μLED arrays were fabricated with their wavelengths tunable from blue to red by controlling the indium composition in the device active regions. Moreover, our fabricated phosphor-free white-color μLEDs demonstrate strong and highly stable white-light emission with high color rendering index of ~ 94. The μLEDs are in circular shapes with the diameter varying from 30 to 100 μm. Such high-performance μLEDs are perfectly suitable for the next generation of high-resolution micro-display applications.


2006 ◽  
Vol 05 (06) ◽  
pp. 859-864
Author(s):  
KI-SUNG YANG ◽  
HO-SIK LEE ◽  
SEUNG-UN KIM ◽  
YOON-KI JANG ◽  
DOO-SEOK KIM ◽  
...  

Since the first report of the light-emitting diodes based on Alq 3, many organic materials have been synthesized and extended efforts have been made to obtain high performance electroluminescent (EL) device. We synthesized new emissive material, 1, 4-dihydoxy-5, 8-naphtaquinone· Alq 3 complex( Al 2 Nq 4), and extended efforts have been made to obtain high-performance electroluminescent (EL) devices. Current–voltage (I–V) and luminance–voltage (L–V) characteristics were measured by Flat Panel Display Analysis System (Model 200-AT) at room temperature. The Al 2 Nq 4 shows green photoluminescence and electroluminescence spectra at about 510 nm, and ITO/Al 2 Nq 4/Cathode device shows typical rectifying characteristics.


MRS Bulletin ◽  
2002 ◽  
Vol 27 (11) ◽  
pp. 859-863 ◽  
Author(s):  
Yue Kuo ◽  
Kouji Suzuki

AbstractThis introductory article reviews the topics covered in this issue of MRS Bulletin on advanced flat-panel displays and materials. The common requirements of flat-panel displays are compact dimensions, low power consumption, light weight, and high performance. Flat-panel displays are incorporated in many consumer products as well as in a large range of industrial, medical, military, transportation-related, and scientific instruments. In recent years, there have been dramatic improvements in flat-panel display technology due to an enhanced understanding of various new or existing materials as well as fabrication processes. “Flat-panel display” is a general term that includes many different types of technologies. It includes panels that are in mass production, such as passive or active addressed liquid-crystal displays or plasma displays, and those in the early production or development stages, such as organic light-emitting devices or electrophoretic displays. It also includes novel products that are based on the principle of flat-panel display technology, such as solid-state x-ray imagers. The articles in this issue cover a range of these topics.


Nanomaterials ◽  
2020 ◽  
Vol 10 (12) ◽  
pp. 2482
Author(s):  
Yifan Wu ◽  
Jianshe Ma ◽  
Ping Su ◽  
Lijun Zhang ◽  
Bizhong Xia

Emerging technologies, such as smart wearable devices, augmented reality (AR)/virtual reality (VR) displays, and naked-eye 3D projection, have gradually entered our lives, accompanied by an urgent market demand for high-end display technologies. Ultra-high-resolution displays, flexible displays, and transparent displays are all important types of future display technology, and traditional display technology cannot meet the relevant requirements. Micro-light-emitting diodes (micro-LEDs), which have the advantages of a high contrast, a short response time, a wide color gamut, low power consumption, and a long life, are expected to replace traditional liquid-crystal displays (LCD) and organic light-emitting diodes (OLED) screens and become the leaders in the next generation of display technology. However, there are two major obstacles to moving micro-LEDs from the laboratory to the commercial market. One is improving the yield rate and reducing the cost of the mass transfer of micro-LEDs, and the other is realizing a full-color display using micro-LED chips. This review will outline the three main methods for applying current micro-LED full-color displays, red, green, and blue (RGB) three-color micro-LED transfer technology, color conversion technology, and single-chip multi-color growth technology, to summarize present-day micro-LED full-color display technologies and help guide the follow-up research.


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