Plasma display device and method for regulating brightness

A display device and a technology for displaying brightness, which are used in identification devices, static indicators, cathode ray tube indicators, etc., can solve the problems of linear relationship, brightness error, different brightness, etc.

Inactive Publication Date: 2010-01-06
CPT TECH GRP
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  • Summary
  • Abstract
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Problems solved by technology

Therefore, different representation rates of the sub-image fields will have different brightness, so that the actual display brightness cannot be linearly related to the number of sustaining light-emitting pulses, and generally the greater the number of sustaining light-emitting pulses, the greater the deviation, thus causing gray There is a brightness error between the ideal brightness of the level data and the actual display brightness, which makes the picture abnormal and forms a wrong outline

Method used

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  • Plasma display device and method for regulating brightness
  • Plasma display device and method for regulating brightness
  • Plasma display device and method for regulating brightness

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Embodiment Construction

[0043] The content of the embodiments of the present invention will be described below in combination with figures and text descriptions.

[0044] image 3 Shown is a schematic structural diagram of a plasma display device according to an embodiment of the present invention. In this embodiment, a plasma display device 3 includes a display unit 36 ​​, an image data addressing unit 30 , a sustaining pulse number distribution unit 32 and a sustaining pulse number adjustment unit 34 . Wherein, the display unit 36 ​​includes a plasma display panel 362 , a data driver 361 and a sustain driver 363 , which are used to present images. The image data addressing component 30 determines the picture of each pixel data image displayed on the plasma display panel 362 in the display component 36 , and transmits the pixel data signal to the display component 36 to be received by the data driver 361 . Sustain luminescence pulse number allocation component 32, used to determine the intensity o...

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Abstract

An adjusting method of display brightness of a plasma display device includes making an adjusting graph of deviation brightness; receiving an image displaying signal; defining a plurality of subgraph field combinations and positions of an image picture according to a query table of gray level arranging; calculating the average display rate of the image picture according to the image displaying signal to distribute one maintaining luminous pulse number which is provided for each subgraph field; searching a plurality of subgraph field combinations according to the adjusting graph of deviation brightness to get a compensation value of each maintaining luminous pulse number and obtaining a maintaining luminous pulse number by adding the compensation value with the maintaining luminous pulse number which is calculated by means of the average display rate sends the maintaining luminous pulse through a maintaining driver to cause the plasma device to give out light.

Description

technical field [0001] The invention relates to a method for adjusting brightness of a display, in particular to a plasma display and a method for adjusting display brightness. Background technique [0002] Generally speaking, display devices can be divided into two types, one is a display using a cathode ray tube (CRT), and the other is a flat panel display (FPD). Because flat-panel displays are lighter and thinner than those using cathode ray tubes, and have the characteristics of no deformation of the displayed image and no interference from magnetic fields, so in the display market, flat-panel displays have almost replaced the old displays using cathode ray tubes. status, and gradually become the mainstream of the consumer market. [0003] Currently, more common flat panel displays in the market include liquid crystal displays (LCD) and plasma displays. Among them, because the plasma display can be made into a large-area display, and its structure and manufacturing pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/28G09G3/20G09G5/10H01J17/49G09F9/313
Inventor 高盟超沈自强
Owner CPT TECH GRP
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