A new model of three-electrode surface-discharge AC-PDPs for driving waveform analysis and design was developed. A cell state is represented by a two-dimensional cell voltage vector, which is the sum of a wall voltage vector and an applied voltage vector. These vectors can be expressed on a plane of cell voltages, and the threshold cell voltages at firing are on a close curve on this plane. Using these concepts, wall voltages measurements, cell behavior at ramp setup, and the design of high-speed addressing waveforms are discussed.
We investigated a weak discharge of ramp-wave driving in AC-PDPs. A new interpretation of the wall voltage transfer curve for ramp-wave driving was introduced. Both the sweep-rate of rampwaves and the priming affect wall voltage controllability. These effects can be explained by the turn-on characteristics of the transfer curve.
In this paper, the basic technologies of alternating current (ac) plasma display panel (PDP) and the next-generation technologies are described. The panel structure of reflective type and three electrodes with surface discharge, and the basic operation of address display-period separation (ADS) subfield method have been developed for PDP products, and these basic technologies have the capabilities which can respond to next-generation development, such as high luminous efficacy, low cost, and enlargement of the screen size. In the recent research, the technologies that provide three times the luminous efficacy comparing with that of latest PDP products and innovative manufacturing process technologies for drastic cost reduction have already been developed. How we install the new technologies in the products is an important subject. PDPs will keep advantages in a large screen flat panel display market by the technical development for the next-generation in each field.Index Terms-Address display-period separation (ADS) subfield method, alternating current plasma display panel (ac PDP), luminous efficacy, three-electrode with surface discharge.
A wall-sized emissive full-color display with fine plasma tubes using three electrodes is proposed. Each tube has an internal MgO overcoat and a phosphor layer. The experimental display was fabricated and the results will be presented. This method will realize a display with a flexible screen shape and an expandable screen size.
The plasma tube array display presents the wall size display with very high luminous efficacy. Discharging in plasma tube was observed to estimate the structure for high luminous efficacy. From the results of the observation, it is estimated that not only the discharge gap but also the discharge cavity effects to the luminous efficacy. With this result new structure was tries and 3.7 lm/W was achieved as the luminous efficacy.
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