Data compression and decompression method and device as well as display device

A data compression and decompression technology, which is applied in the field of compression and decompression, can solve the problems of large storage capacity and increased cost of display panel controllers, and achieve the effects of reduced storage capacity, reduced bandwidth, and reduced costs

Pending Publication Date: 2018-10-19
BOE TECH GRP CO LTD +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] At present, the compensation data data capacity of the OLED display panel is large, and high bandwidth is required in the process of re

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  • Data compression and decompression method and device as well as display device
  • Data compression and decompression method and device as well as display device
  • Data compression and decompression method and device as well as display device

Examples

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[0045] Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in various forms, and should not be construed as being limited to the embodiments set forth herein; on the contrary, these embodiments are provided so that this disclosure will be comprehensive and complete, and fully convey the concept of the example embodiments To those skilled in the art. In the figures, the same reference numerals denote the same or similar parts, and thus their repeated description will be omitted.

[0046] Furthermore, the described features, structures or characteristics may be combined in one or more embodiments in any suitable manner. In the following description, many specific details are provided to give a sufficient understanding of the embodiments of the present disclosure. However, those skilled in the art will realize that the technical solutions of the present disclosure can be practiced wit...

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Abstract

The invention discloses a data compression and decompression method, a data compression and decompression device and a display device. The data compression method comprises the following steps: acquiring compensation data; comparing the compensation data and preset basic value data to acquire compensation data deviation; and performing coding compression on the compensation data deviation to acquire compressed data. The compensation data derivation is acquired by comparing the compensation data with the preset basic value data, the compensation deviation data is subjected to coding compression, and the compensation data has high correlation, so the byte number of the compensation data derivation is less than the compensation data, the storage capacity needed when the compressed data is stored is reduced, bandwidth needed during transmission is reduced and the cost of a display panel is reduced.

Description

technical field [0001] The present disclosure relates to the technical field of compression and decompression, in particular, to a data compression and decompression method, device and display device. Background technique [0002] The electrical characteristics of the driving TFT (Thin Film Transistor, thin film transistor) of the OLED display panel are inconsistent due to process conditions and other reasons, thereby affecting the brightness uniformity of the panel. OLED external compensation technology detects the driving TFT characteristic parameters of each pixel, obtains compensation data, and corrects the driving voltage, thereby solving the brightness inconsistency caused by the inconsistency of TFT electrical characteristics. [0003] At present, the compensation data of OLED display panels has a large data capacity, and high bandwidth is required in the process of reading and writing, and large storage capacity is required for storage, which leads to an increase in ...

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Application Information

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IPC IPC(8): G09G3/3208
CPCG09G3/3208H03M7/30G06T7/223H03M7/00H03M7/3084H03M7/6005H03M7/6011H03M7/6041H04N19/45H04N19/463H04N19/517
Inventor 韦晓龙李永谦杨飞
Owner BOE TECH GRP CO LTD
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