نتایج جستجو برای: thin film circuit
تعداد نتایج: 297299 فیلتر نتایج به سال:
Numerical modeling of polycrystalline thin-film solar cell serves as an imperative procedure to test the suitability of proposed physical clarification and to anticipate the effect of physical changes on cell performance. All in all, this must be conducted with only partial knowledge of input parameters. In this paper, we evaluated the numerical simulation of CdS/CIGS tandem multi junction sola...
PRODUCT DESCRIPTION The AD592 is a two terminal monolithic integrated circuit temperature transducer that provides an output current proportional to absolute temperature. For a wide range of supply voltages the transducer acts as a high impedance temperature dependent current source of 1 μA/K. Improved design and laser wafer trimming of the IC’s thin film resistors allows the AD592 to achieve a...
A simple and continuous model for the on-state current of polysilicon thin-film transistors, suitable for implementation in circuit simulators, is presented. The model includes the potential barrier at the grain boundaries, the channel length modulation and the excess current due to impact ionization. Comparison between measured output characteristics and the model shows excellent agreement ove...
In this paper a demonstrator oscillator circuit integrated in a MCM-D on glass technology is presented. The active device of the oscillator is a thin-film Ge (germanium) -based MHEMT. The MHEMT is embedded in the bottom dielectric layer of the MCM-D. The combination of passive MCM-D technology and MHEMTs on Ge allows for efficient semi-monolithic integration of active devices and realisation of...
In this paper, we describe hydrogenated amorphous silicon (a-Si:H) thin-film transistor (TFT)-based active-matrix arrays for active-matrix organic light-emitting displays (AM-OLEDs). The proposed pixel electrode circuits based on three a-Si:H TFTs can supply a continuous output current for AM-OLEDs. Each pixel circuit has compensation circuits that can adjust for the OLED and a-Si:H TFTs electr...
Simulation of dynamic phosphor space charge in alternating-current thin-film electroluminescent (ACTFEL) devices is performed using SPICE equivalent circuit models. Two SPICE equivalent circuits are developed; one for the case of space charge creation via impact ionization and another for field emission. Both SPICE equivalent circuits are based on modeling the space charge distribution as a sin...
Article history: Received 26 June 2016 Accepted 7 July 2016 Available online xxxx In the thin film transistors (TFTs) device research for foldable display, the degradation effect by the mechanical stress is crucial. Here, the crack position is critical for TFT reliability. However, it is difficult to characterize the crack position due to the random generation of the crack by mechanical stress....
The global thin film transistor-liquid crystal display (TFT-LCD) manufacturers concentrate in Korea, Japan and Taiwan. In view of growing rapidly of demand in the world, the competition of TFT-LCD manufacturers has been a fierce phenomenon. The most important subject for every TFT-LCD manufacturer administrator is how to make the best disposition of resources and create more and more profits. T...
This paper reviews briefly the development of physical vapour deposition based HTS thin film preparation technologies to today’s state-of-the-art methods. It covers the main trends of in-situ process and growth control. The current activities to fabricate tapes for power applications as well as to tailor interfaces in cuprate are described. Some future trends in HTS thin film research, both f...
The TFT LCD (Thin Film Transistor Liquid Crystal Display) industry is one the most rapid growth high-technology industry in recent decades. The development process of this industry is complex and dynamic, requires the accumulation of technology capability, capital, production capacity, and human resources. For a late coming country, the development process also involves with tense interactions ...
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