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Display method for color sequential display

A display method and chromatic light technology, applied to static indicators, instruments, etc., can solve the problems of liquid crystal reaction speed that cannot keep up with frame conversion, color separation, etc., and achieve the effect of improving color separation, increasing display brightness, and increasing display frequency

Active Publication Date: 2009-06-03
HIMAX DISPLAY INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method will still cause serious color separation. If you want to speed up the display cycle of the sub-frame to 1 / 540 second, that is, the frame update rate of the sub-frame is 540fps, the response speed of the LCD will not be able to keep up with the frame conversion

Method used

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  • Display method for color sequential display
  • Display method for color sequential display

Examples

Experimental program
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Effect test

no. 1 example

[0025] figure 2 It is a flow chart of the display method of the color sequential display according to the first embodiment of the present invention. The display method is used to display a frame during a frame period, wherein the frame is represented by four color signals, and the four color signals include a red signal, a green signal, a blue signal and a compensation signal. Please refer to figure 2 , in step S210, the frame period is divided into a first subframe period, a second subframe period, a third subframe period, a fourth subframe period, a fifth subframe period, a sixth subframe period, and a seventh subframe period The frame period and the eighth subframe period. For example for image 3 Subframe periods 1, 2, 3, 4, 5, 6, 7, 8 are shown. Wherein, symbols 1-8 respectively represent a subframe period, and R, G, B and W represent a red signal, a green signal, a blue signal and a compensation signal, respectively. In this embodiment, the frame update rate is, f...

no. 2 example

[0034]Please also refer to the description of the above embodiment. This embodiment proposes another display order, which also has the effect of reducing color separation and image retention. In this embodiment, each frame period includes a plurality of double subframe periods, and each double subframe period further includes an odd subframe period and an even subframe period.

[0035] The first color signal, the second color signal, the third color signal and the fourth color signal are selectively displayed in each odd subframe period and each even subframe period, wherein the display is in the odd subframe period of the double subframe period Each color signal of each has a first polarity, and each color signal displayed in an even subframe period of a double subframe period has a second polarity, and at least one double subframe period contains two color signals to be displayed in the two subframe periods respectively Odd subframe period and even subframe period. In this ...

no. 3 example

[0040] Because the display using the color sequential method usually uses the change of the color of the backlight to display sub-frames of different colors, therefore, from another point of view, the present invention proposes a display method for a color sequential display, using the method of changing the color of the backlight of the display order to achieve the effect of displaying different color subframes. In this embodiment, let the display period of an image frame be a frame period, wherein each frame period includes four double subframe periods, and each double subframe period includes an odd subframe period and an even subframe period, and Each odd subframe period and each even subframe period are respectively the same subframe.

[0041] Next, the first color light, the second color light, the third color light and the fourth color light are used as light sources of the color sequential display, wherein the color lights respectively correspond to color signals, such...

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Abstract

The present invention relates to a display method for a color sequential display. The display method includes following steps. First, a frame is displayed by four color signals of a red signal, a green signal, a blue signal and a compensation signal. Next, a frame period is divided into eight subframe periods according to a sequence. Next, three of the said four color signals are selected and arranged in a sequence. And then, the selected three color signals are respectively displayed at the first, the second and the third subframe periods according to the sequence and respectively displayed at the fourth, the fifth and the sixth subframe periods according to the same sequence. After that, the unselected color signal of the said four color signals is displayed at the seventh and the eighth subframe periods.

Description

technical field [0001] The invention relates to a display method of a display, and in particular to a display method of a color sequential display. Background technique [0002] In the liquid crystal display using the color sequential method (color sequential), instead of configuring the color filter film of each color, the cold cathode fluorescent lamp (Cold Cathode Fluorescent Lamp, CCFL) or the light emitting diode (Light Emitting Diode, LED) of the backlight module ) at the same time has the red, green and blue three primary color light emitting capabilities, and can quickly switch. Since human eyes have a phenomenon of persistence of vision when receiving external images, liquid crystal displays using the color sequence method can use high-frequency switching of various color images, and then match the phenomenon of human persistence of vision to display full-color. However, when applied to dynamic frames, the display device of the color sequential method is prone to c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/34G09G3/36
CPCG09G2310/0235G09G3/3614G09G3/3413G09G2320/0242G09G2340/0435
Inventor 赖佳成吴政宏范姜冠旭
Owner HIMAX DISPLAY INC
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