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Displayer and driving method thereof

A driving method and display technology, applied in static indicators, instruments, nonlinear optics, etc., can solve problems such as color shift, banded Mura, inconsistent brightness, etc.

Active Publication Date: 2013-12-25
INNOCOM TECH SHENZHEN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, since the voltage-transmittance curve of each pixel will be different with the change of the viewing angle of the user (relative to the display surface of the liquid crystal display), resulting in color shift
As far as the existing Charge Sharing (Low Color Shift, LCS) is concerned, it will make the display areas corresponding to different scanning lines in the LCD display have inconsistent brightness, resulting in banding (Band) Mura phenomenon

Method used

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Examples

Experimental program
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no. 1 example

[0041] In the display of this embodiment, metal wires that can form an equivalent capacitance with the common electrodes are provided on the second substrate, and by triggering voltage and potential switching events on the metal wires, the common electrodes are targeted during all scanning periods. Substantially the same capacitive coupling event is triggered such that the common electrode has a stable voltage potential during all scan periods.

[0042] Please refer to figure 1 , which shows a block diagram of the display according to the first embodiment of the present invention. The display 1 of this embodiment is, for example, an Active Matrix liquid crystal display device, which includes a display panel 11 , a scan driver 12 , a control driver 13 , a data driver 14 and a timing controller 15 .

[0043] Please refer to Figure 2A and Figure 2B, which respectively show a schematic top view and a schematic cross-sectional view along the section line A-A' of the display pa...

no. 2 example

[0062] Please refer to Image 6 , which is a schematic diagram of a display panel according to a second embodiment of the present invention. The difference between the display of this embodiment and the display 1 of the first embodiment is that there is no metal wiring in the display panel 11 ′, and the display of this embodiment adjusts the control signals Cs'1 to Cs' The waveforms of M-K are used to drive some or all of the control lines C_1 to C_M-K to additionally perform potential switching operations during the scan periods TP_1 to TP_K.

[0063] In this way, the display 1' of this embodiment can also trigger substantially the same capacitive coupling event for the common electrode in all scanning periods, so that the common electrode has a stable voltage potential in all scanning periods.

[0064] Please refer to Figure 7 , which shows a timing diagram of related signals of the display according to the second embodiment of the present invention. Furthermore, for the s...

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PUM

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Abstract

The invention discloses a driving method, which is applied in a displayer. The displayer comprises M scanning lines, N data lines, M control lines and M*N pixels, wherein M and N are all natural numbers bigger than 1. The driving method comprises the following steps of respectively driving the M scanning lines during M scanning periods; providing data voltages to the N data lines during all M scanning periods; respectively driving 1 to M-K control lines of the M control lines during K+1 to M scanning periods so as to turn on discharge switches of all the pixels on the 1 to M-K control lines; respectively driving 2 to K control lines of the M control lines to trigger a potential switchover event during 1 to K-1 scanning periods, and therefore, a potential switchover operation is performed by one scanning line and one control line during all the 1 to K-1 scanning periods.

Description

technical field [0001] The present invention relates to a display and its driving method, and in particular to a display using low color shift (Low Color Shift, LCS) technology and its driving method. Background technique [0002] Due to the advantages of thin volume, light weight and low electromagnetic radiation, Liquid Crystal Display (LCD) has been widely used in recent years. Generally speaking, a liquid crystal display includes a liquid crystal display panel and a backlight module; the liquid crystal display panel determines the transmittance of each pixel on the liquid crystal display panel in response to a display data voltage applied thereto, and the backlight module projects backlight evenly to the liquid crystal display panel. In this way, the liquid crystal display can display the display data correspondingly. [0003] However, since the voltage-transmittance curves of each pixel will vary with the change of the user's viewing angle (relative to the display surf...

Claims

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Application Information

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IPC IPC(8): G02F1/1362G02F1/133G09G3/36
Inventor 崔博钦谢耀联陈建诚王忠益
Owner INNOCOM TECH SHENZHEN