Drive device and drive method of plasma display panel, and plasma display device
A driving device, plasma technology, applied in the direction of static indicators, instruments, etc., can solve the problem of the discharge unit not lighting the unit and so on
Inactive Publication Date: 2010-08-04
PANASONIC CORP
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
Especially in the case where the discharge cells around the discharge cells that should emit light do not emit light and the discharge cells that should emit light are isolated, as in the subfield where the error diffusion process is performed, the discharge cells that should emit light tend to become non-lit cells.
Method used
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Embodiment Construction
[0080] Hereinafter, a plasma display device according to an embodiment of the present invention will be described in detail with reference to the drawings.
[0081] (1) Composition of the display screen
[0082] figure 1 It is an exploded perspective view showing a part of the plasma display panel of the plasma display device according to the embodiment of the present invention.
[0083] A plasma display panel (hereinafter simply referred to as a display panel) 10 includes a front substrate 21 and a rear substrate 31 made of glass, which are arranged to face each other. A discharge space is formed between the front substrate 21 and the rear substrate 31 . On front substrate 21, a plurality of pairs of scan electrodes 22 and sustain electrodes 23 are formed parallel to each other. Each pair of scan electrodes 22 and sustain electrodes 23 constitutes a display electrode. A dielectric layer 24 is formed to cover scan electrodes 22 and sustain electrodes 23 , and a protective ...
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One of first and second subfields is selected for the purpose of displaying an image of which the luminance and contrast are highlighted, or displaying a half tone close to black. In the first subfield, the width of a writing pulse in a subfield having the lowest display luminance is not larger than that in the other fields, and a voltage applied to a maintenance electrode during a writing periodin a subfield where a display luminance is lowest is set to be higher than a voltage applied to a maintenance electrode during a writing period in the other subfields. In the second subfield, the width of a writing pulse in a subfield having the lowest display luminance is larger than that in the other fields, and a voltage applied to a maintenance electrode during a writing period in a subfield where a display luminance is lowest is set to be equal to a voltage applied to a maintenance electrode during a writing period in any of the other subfields.
Description
technical field [0001] The invention relates to a driving device, a driving method and a plasma display device of a plasma display screen. Background technique [0002] As a plasma display screen (hereinafter simply referred to as "display screen"), a typical AC surface discharge display screen is equipped with a plurality of discharge cells between the oppositely disposed front panel and rear panel. [0003] The components of the front panel include a front glass substrate, a plurality of display electrodes, a dielectric layer and a protective layer. Each display electrode includes a pair of scan electrodes and sustain electrodes. A plurality of display electrodes are formed parallel to each other on the front glass substrate, and a dielectric layer and a protective layer are formed to cover the display electrodes. [0004] The components of the back panel include a back glass substrate, a plurality of data electrodes, a dielectric layer, a plurality of spacers and a phos...
Claims
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IPC IPC(8): G09G3/288G09G3/20G09G3/28G09G3/292G09G3/291G09G3/293G09G3/298
CPCG09G3/2965G09G2310/066G09G2320/0238G09G3/2942G09G3/2022G09G3/296G09G3/291
Inventor 庄司秀彦折口贵彦
Owner PANASONIC CORP