scholarly journals Application of Nanocrystalline Silicon and Ballistic Electron Emitter to Flat Panel Display Devices

2003 ◽  
Vol 12 (2) ◽  
pp. 52-56
Author(s):  
Nobuyoshi Koshida ◽  
A. Kojima ◽  
Y. Nakajima ◽  
T. Ichihara ◽  
Y. Watabe ◽  
...  
Keyword(s):  
Nanocrystalline Silicon ◽  
Flat Panel Display ◽  
Flat Panel ◽  
Display Devices ◽  
Electron Emitter ◽  
Ballistic Electron

Morphology Evolution and Luminescence Properties of YF3: Sm Nano-/Microcrystals

2012 ◽  
Vol 463-464 ◽  
pp. 112-118
Author(s):  
Feng Tao ◽  
Geng Zhu ◽  
Zhi Jun Wang ◽  
Feng Pan ◽  
Yu Feng Sun ◽  
...  
Keyword(s):  
Hydrothermal Method ◽  
Growth Mechanism ◽  
Room Temperature ◽  
Red Light ◽  
Environmentally Friendly ◽  
Morphology Evolution ◽  
Flat Panel Display ◽  
Flat Panel ◽  
Display Devices ◽  
Potential Applications

Abstract. Recently, there has been increasting interest in the doping of nano-/microcrystal hosts with Sm3+. However, very few examples of Sm3+doped YF3-based nanophosphors have been reported. In this paper, a variety of uniform YF3:Sm nano-/microcrystals have been successfully prepared by a facile, effective, and environmentally friendly hydrothermal method. The morphology evolution process has been investigated by quenching the reaction at different time. Based on the results, a possible growth mechanism is presented in detail. The as-obtained YF3:Sm nano-/microcrystals show strong yellow and red light emissions under room temperature, which is quite different from those reported previously and might find potential applications in fields such as light phosphor powers and advanced flat panel display devices.

Bistable Technology in Flat Panel Display: Principle and Progress

2010 ◽  
Vol 428-429 ◽  
pp. 206-211 ◽  
Author(s):  
Zi Qiang Huang
Keyword(s):  
Thin Film ◽  
Liquid Crystal ◽  
Liquid Crystals ◽  
Thin Film Transistor ◽  
Manufacturing Cost ◽  
High Grade ◽  
Flat Panel Display ◽  
Flat Panel ◽  
Display Devices ◽  
Light Interference

Active matrices often related with high grade display devices, due to application of the storage elements, typically thin film transistor (TFT). Because of the complex procedures in the manufacturing TFT, investment of the high value manufacturing equipments and clarification plants is necessary, hence increasing the manufacturing cost of the flat panel, and more importantly, causing the pollution of water and air. As the contribution of TFT array merely exists in supplying storage function for the pixels of the display panel, large efforts have been made to find suitable cells that have bistable effect, so as to substitute the effect of TFT. As the bistable cell is just the storage pixel, one could construct a bistable cell to skip the needs of TFT active matrices. The paper is to introduce currently available bistable display devices in the following field: liquid crystal bistable displays with cholesteric liquid crystals, which is an example to introduce the bistable technology; iMod display devices based on mechanic induced bistable and light interference, which shows the possibility to construct bistable display; and the display based on solid powder movement in air or in vacuum, so called liquid powder displays, which shows how to improve the existed display.

Ultra Precision Diamond Shaping of an Elliptical Micro-Lens Array

2009 ◽  
Vol 407-408 ◽  
pp. 380-383
Author(s):  
Choung Lii Chao ◽  
Chun Chieh Chen ◽  
Wen Chen Chou
Keyword(s):  
Filling Factor ◽  
Flat Panel Display ◽  
Flat Panel ◽  
Lens Array ◽  
Display Devices ◽  
High Filling Factor ◽  
Ultra Precision ◽  
Micro Lens Array ◽  
Micro Lens ◽  
Better Than

Micro lens array is widely used in photonics and telecommunication products, including back-light module of flat panel display devices and white-light LED illumination. The ultra precision diamond shaping method together with tool servo technique was studied and developed in this research to generate elliptical micro lens array. Each elliptical micro lens has radii in X and Y direction of 1.0 mm and 1.5 mm respectively. A high filling-factor (100 %) elliptical micro lens array with form accuracy better than 0.15μm and surface roughness around 5nm Ra was successfully fabricated.

Photon, Electron and Utlrasonic Emission from Nanocrystalline Porous Silicon Devices

2002 ◽  
Vol 737 ◽  
Author(s):  
N. Koshida ◽  
B. Gelloz ◽  
A. Kojima ◽  
T. Migita ◽  
Y. Nakajima ◽  
...  
Keyword(s):  
Porous Silicon ◽  
Nanocrystalline Silicon ◽  
Cold Electron ◽  
Flat Panel Display ◽  
Electronic Effects ◽  
Flat Panel ◽  
Thermally Induced ◽  
Cold Cathodes ◽  
Silicon Devices ◽  
Technological Potential

ABSTRACTFor quantum-sized nanocrystalline silicon (nc-Si), various optical and electronic effects have been clarified in addition to a significant band gap widening. As typical examples of these induced effects, some emission properties of nanocrystalline porous silicon (PS) are described in this paper including the present status of application studies. The first one is electroluminescence (EL) of PS diodes. It is shown that following a drastic improvement in the external quantum and power efficiencies, stability has been significantly enhanced by the formation of covalent termination nc-Si surfaces. Next topic is the cold electron emission from PS diodes. When the nanostructure of the PS drift layer is appropriately controlled, injected electrons are accelerated ballistically toward the outer surface and emitted via tunneling through a thin-film top electrode perpendicular to the device surface as energetic electrons. As an efficient surface-emitting electron source, there are many advantages in this emitter over the conventional cold cathodes. The applicability of this emitter to either vacuum-type or solid-state flat-panel display is demonstrated. Finally, the usefulness of a PS device as a thermally induced ultrasonic emitter is presented on a basis of its fundamental characterizations. Technological potential of this emitter for functional acoustic devices is also discussed.

scholarly journals Recovery of Indium for the Recycling of End-of-life Flat Panel Display Devices

2015 ◽  
Vol 26 (4) ◽  
pp. 389-393
Author(s):  
Sunghyun Uhm ◽  
Sungsu Cho ◽  
Sooyoung Lee
Keyword(s):  
End Of Life ◽  
Flat Panel Display ◽  
Flat Panel ◽  
Display Devices
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