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Display device, driving apparatus for the display device and integrated circuit for the display device

A technology for driving equipment and driving voltage, applied in the direction of static indicators, instruments, etc.

Inactive Publication Date: 2006-12-20
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This burden becomes more severe for high image quality requiring a gray scale range as well as a greater number of reference gray scale voltages

Method used

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  • Display device, driving apparatus for the display device and integrated circuit for the display device
  • Display device, driving apparatus for the display device and integrated circuit for the display device
  • Display device, driving apparatus for the display device and integrated circuit for the display device

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Embodiment Construction

[0021] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings, in which preferred embodiments of the invention are shown. However, the invention can be implemented in many different ways and is not limited to the embodiments described here.

[0022] In the drawings, the thicknesses of layers and regions are exaggerated for clarity. The same reference numerals denote the same elements. It should be understood that when an element or layer is referred to as being "on," "connected to," or "coupled to" another element or layer, it may be directly on, connected to, or coupled to another element or layer. One element or layer, or intervening elements or layers may be present. In contrast, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element or layer, there are no intervening elements or layers present. Like numbers refer to like elements. As used herein, the ter...

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PUM

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Abstract

A driving apparatus and a circuit for a display device are presented. The driving apparatus includes a plurality of pixels, a positive polarity reference gray voltage generator capable of generating a plurality of positive polarity reference gray voltages, and a data driver capable of generating a plurality of negative polarity reference gray voltages based on the positive polarity reference gray voltages. The data driver is also capable of generating a plurality of positive polarity gray voltages and a plurality of negative polarity gray voltages using the positive polarity reference gray voltages and the negative polarity reference gray voltages, respectively, and applying gray voltages to the pixels. The gray voltages correspond to external image signals and are selected from the positive and negative gray voltages. The invention simplifies the design of the driving apparatus and circuitry for a display device.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Korean Patent Application No. 2005-0051802 filed on Jun. 16, 2005, the entire contents of which are hereby incorporated by reference. technical field [0003] The present invention relates to a display device, a driving device for the display device, and an integrated circuit. Background technique [0004] Generally, a liquid crystal display (LCD) includes two panels provided with pixel electrodes and common electrodes (referred to as "field generating electrodes"), and a liquid crystal (LC) layer having dielectric anisotropy between the two panels. The pixel electrodes are arranged in a matrix and connected to switching elements such as thin film transistors (TFTs) through a plurality of gate lines and a plurality of data lines. The gate line and the data line respectively sequentially receive a gate signal and a data signal. The common electrode covers the entire surface of one...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36G09G3/20G02F1/133
CPCG09G3/3696G09G3/3614G09G3/3648G09G3/36G09G3/20
Inventor 赵康衍尹钟爀
Owner SAMSUNG ELECTRONICS CO LTD