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Driver circuit, display apparatus, and method of driving the same

一种驱动方法、显示装置的技术，应用在静态指示器、仪器等方向，能够解决寄生电容寄生电容影响变大、显示颜色波动等问题，达到显示颜色波动抑制的效果

Inactive Publication Date: 2011-02-16
RENESAS ELECTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As the data line becomes longer, the parasitic capacitance becomes larger and the influence of the parasitic capacitance becomes larger, resulting in more severe display color fluctuation

Method used

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  • Driver circuit, display apparatus, and method of driving the same
  • Driver circuit, display apparatus, and method of driving the same
  • Driver circuit, display apparatus, and method of driving the same

Examples

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no. 1 example

[0022] figure 1 A display device according to a first embodiment of the present invention is shown. Such as figure 1 As shown, according to this embodiment, the liquid crystal display device 1 based on the RGB time-division driving method includes: an active matrix liquid crystal display panel 30; a gate driver 33 for driving scanning lines; a data driver for driving data lines A driver IC 20 (source driver) 21; a controller 10 for supplying display data and various timing signals; and a power supply circuit (not shown). The gate driver may be located outside the display panel, or a driver IC including a data driver may be located on the panel.

[0023] The liquid crystal display panel 30 includes: a TFT array substrate, wherein a plurality of scanning lines (gate lines) 32 and a plurality of data lines 31 are arranged in a grid pattern, pixel electrodes 34 are arranged in a matrix pattern, and TFTs (not shown) as switching elements ) are connected to the source (data) line...

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Abstract

The invention provides a display device with data wire driven by a time division mode. During the process, the data line is driven twice by two modes, namely, precharging mode and driving mode. Before providing driving voltage (driving mode) of display data to the data line in the group of the data line driven by the time division mode, precharging voltage is provided at least to the data line adjacent to the data line independently.

Description

technical field [0001] The present invention relates to: a driving circuit for driving data lines in a display device based on a time-division method, a display device with a time-division driving circuit and a driving method thereof. Background technique [0002] In the field of active matrix liquid crystal display devices, a precharging technique capable of accelerating liquid crystal driving is known. In this precharging technique, before the data lines are driven based on the display data, the data lines are precharged to a given voltage by providing a driving voltage based on the display data, so as to reduce the charging / discharging of the data lines ( See, for example, Unexamined Published Japanese Applications JP2005-37832A and JP2005-115342A). [0003] On the other hand, the electric field effect mobility of polysilicon is about tens to 200 cm 2 / Vs, which is higher than the field-effect mobility of amorphous silicon (approximately 0.5 to 1 cm 2 / Vs). For this r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36
CPCG09G2300/0408G09G3/3688G09G2310/0248G09G2320/0209G09G2310/0297
Inventor 宫崎喜芳大谷圭吾永户秀和
Owner RENESAS ELECTRONICS CORP