CN101882418A - Flat panel color display and drive method of color pictures thereof - Google Patents
Flat panel color display and drive method of color pictures thereof Download PDFInfo
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- CN101882418A CN101882418A CN 201010225872 CN201010225872A CN101882418A CN 101882418 A CN101882418 A CN 101882418A CN 201010225872 CN201010225872 CN 201010225872 CN 201010225872 A CN201010225872 A CN 201010225872A CN 101882418 A CN101882418 A CN 101882418A
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Abstract
The invention relates to a drive method of color pictures of a flat panel color display. In the drive method, the flat panel color display is used for displaying multi-frame color pictures, and the color picture of each frame comprises an even number of subframe pictures which are respectively displayed in different colors. The drive method of the color pictures comprises the step of sequentially displaying the subframe pictures in the color picture of each frame on the flat panel color display, wherein data of the subframe pictures having the same displaying color in the color pictures of two adjacent frames have opposite polarities.
Description
Technical field
The present invention relates to a kind of driving method and corresponding color plane display of colour picture of color plane display, particularly relevant for a kind of driving method and corresponding color plane display thereof of colour picture of the color plane display that can eliminate ghost phenomena.
Background technology
Along with development of science and technology, flat-panel screens (for example, LCD) because of it has high image quality, volume is little, in light weight and advantage such as applied range, and be widely used in the various consumption electronic products such as mobile phone, mobile computer, desktop display device and TV, and little by little replaced traditional CRT display and become the main flow of display device.
Existing flat-panel screens generally adopts colored filter with the display color picture, and only, because the light absorptive of colored filter, therefore the transmittance of existing flat-panel screens is lower, and its power consumption is higher.For improving above-mentioned defective, a kind of flat-panel screens of look preface control technology of utilizing is developed, it is red, green and blue backlight that it utilizes light source to send successively, thereby make flat-panel screens in turn show the subframe picture of three kinds of different colours, form a frame colour picture by the subframe picture of three different colours again.Above-mentioned flat-panel screens can dispense colored filter, so its transmittance is higher, cost is lower and power consumption is lower.Only, the LCD of this kind technology is easy to produce look disconnected (color break-up) phenomenon.For improving above-mentioned defective, industry mostly adopts black insertion technology (Black Frame Insertion) or double-colored field technique (Two Color Field) to eliminate look disconnected phenomenon at present.
See also Fig. 1, it illustrates the synoptic diagram into a kind of driving method of colour picture of existing flat-panel screens.As shown in Figure 1,6,570,554 announcements of above-mentioned driving method such as United States Patent (USP), it mainly is to utilize black insertion technology to insert the black picture of a subframe behind red, green and blue subframe picture, thereby constitutes the colour picture of a frame by four subframe pictures of red, green, blue and black.
See also Fig. 2, it illustrates the synoptic diagram into the driving method of the colour picture of the existing flat-panel screens of another kind.As shown in Figure 2, this kind driving method adopts double-colored field technique, and it utilizes the insensitivity of human eye to blueness, and only employing redness adds blueness and green adds two blue subframe pictures and constitutes a frame colour picture.
Only, present flat-panel screens can be carried out a reversal of poles to being used to show the data of next subframe picture after showing a subframe picture.That is to say, be used to show that the polarity of the data of adjacent two subframe pictures is opposite.And in the driving method of the colour picture shown in Fig. 1 and 2, every frame colour picture is made of even number subframe picture, so it can cause the polarity of the data of the subframe picture of demonstration same color in every frame colour picture always identical.
Particularly, as shown in Figure 1, the data that show the red sub-frame picture in every frame colour picture are positive polarity always, the data that show the green sub-frame picture in every frame colour picture are negative polarity always, the data that show blue subframe picture in every frame colour picture are positive polarity always, and the data that show black subframe picture in every frame colour picture negative polarity always.Similar, as shown in Figure 2, show the red data that add blue subframe picture positive polarity always in every frame colour picture, and show the green data that add blue subframe picture negative polarity always in every frame colour picture.
Because the polarity of the data of the sprite of the subframe of demonstration same color is always identical, so the pixel electric charge of same color can be accumulated by lasting when showing, thereby produces ghost phenomena, influences the normal demonstration of flat-panel screens.
Summary of the invention
Purpose of the present invention is exactly the driving method at the colour picture that a kind of color plane display that can eliminate ghost phenomena is provided.
A further object of the present invention provides a kind of color plane display that can eliminate ghost phenomena.
To achieve these goals, the present invention proposes a kind of driving method of colour picture of color plane display, wherein the color plane display is in order to show the multiframe colour picture, every frame (frame) colour picture is made up of even number subframe (sub-frame) picture, and each subframe picture shows different colours respectively, and the driving method of above-mentioned colour picture is included in these subframe pictures that show in order on the color plane display in every frame colour picture; Wherein, the data of the subframe picture of demonstration same color have opposite polarity in the colour picture of adjacent two frames.
In preferred embodiment of the present invention, the color plane display comprises a plurality of light sources, and it sends the backlight of different colours in order, to show the subframe picture of these different colours in order on the color plane display.
In preferred embodiment of the present invention, these subframe pictures in every frame colour picture are respectively the subframe picture of redness, green, blueness and black.Perhaps, these subframe pictures are respectively red, green, blue and white subframe picture in every frame colour picture.
In preferred embodiment of the present invention, these subframe pictures in every frame colour picture are respectively redness and add blueness, green and add blue subframe picture.
In preferred embodiment of the present invention, the polarity of the data of these subframe pictures in every frame colour picture is identical.
In preferred embodiment of the present invention, these subframe pictures in every frame colour picture are shown on the color plane display in order according to a definite sequence respectively.
The present invention also proposes a kind of color plane display, and it comprises that data provide unit and control module.Data provide the unit to provide data to show the multiframe colour picture on the color plane display, and every frame colour picture is made up of even number subframe picture, and these subframes show different colours respectively.The polarity of the data when control module control shows each subframe picture.Wherein, the data of the subframe picture of demonstration same color have opposite polarity in the colour picture of adjacent two frames.
In preferred embodiment of the present invention, control module is electrically coupled to data the unit is provided, and the polarity of the data of control module when providing the polarity of the data that the unit provides to be controlled to show each subframe picture by control data.
In preferred embodiment of the present invention, the color plane display more comprises a plurality of light sources, and it sends the backlight to show the subframe picture of different colours in order on the color plane display of different colours in order.
In preferred embodiment of the present invention, control module makes the polarity of the data that show these subframe pictures in every frame colour picture identical.
In preferred embodiment of the present invention, control module is shown on the color plane display these subframe pictures in every frame colour picture respectively in order according to a definite sequence.
The driving method of color plane display of the present invention and colour picture thereof utilizes black insertion technology or double-colored field technique etc. with the display color picture, thereby eliminate look disconnected phenomenon, and has opposite polarity by the data that show the subframe picture of same color in the colour picture of adjacent two frames, with the influence of the data of eliminating the subframe picture that shows same color in the previous frame colour picture to the data of the subframe picture that shows same color in the next frame colour picture, thereby the elimination ghost phenomena, the display quality of assurance color plane display.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 illustrates the synoptic diagram into a kind of driving method of colour picture of existing flat-panel screens;
Fig. 2 illustrates the synoptic diagram into the driving method of the colour picture of the existing flat-panel screens of another kind;
Fig. 3 illustrates the synoptic diagram of driving method of the colour picture of the color plane display that discloses for first embodiment of the invention;
Fig. 4 illustrates the synoptic diagram of driving method of the colour picture of the color plane display that discloses for second embodiment of the invention;
Fig. 5 illustrates the synoptic diagram of the color plane display that discloses for one embodiment of the invention.
Wherein, Reference numeral:
Red: red subframe picture
Green: green subframe picture
Blue: blue subframe picture
Black: the subframe picture of black
Red+indigo plant: the subframe picture of red+blue
Green+indigo plant: the subframe picture of green+blueness
100: the color plane display
110: control module
120: data provide the unit
130: light source
Embodiment
Relevant detailed description of the present invention and technology contents, conjunction with figs. is described as follows, yet appended accompanying drawing only provide with reference to and explanation usefulness, be not to be used for to the present invention's limitr in addition.
See also Fig. 3, wherein Fig. 3 illustrates the synoptic diagram of driving method of the colour picture of the color plane display that discloses for first embodiment of the invention.As shown in Figure 3, the driving method of the colour picture of above-mentioned color plane display adopts black insertion technology, it inserts the black picture of a subframe behind red, green and blue subframe picture, promptly the colour picture of every frame is by red, green, blue and four subframe pictures of black and constitute.
The driving method of the colour picture of above-mentioned color plane display comprises: show red, green, blue and four subframe pictures of black in the colour picture of every frame on the color plane display in order; Wherein, the data of the subframe picture of demonstration same color have opposite polarity in the colour picture of adjacent two frames.
Particularly, as shown in Figure 3, in the present embodiment, the polarity of the data of four subframe pictures of demonstration red, green, blue and black is identical in every frame colour picture, it is when showing the colour picture of next frame, the reversal of poles of video data once, thereby make the polarity of data of the subframe picture that shows same color in the colour picture of adjacent two frames just in time opposite.That is to say, the driving method of the colour picture of present embodiment be after showing a frame colour picture with the reversal of poles of video data once, and be not be after showing a subframe just once with the reversal of poles of video data.
See also Fig. 4, it illustrates the synoptic diagram of driving method of the colour picture of the color plane display that discloses for second embodiment of the invention.As shown in Figure 5, the driving method of the colour picture of above-mentioned color plane display adopts double-colored field technique, and promptly the colour picture of every frame is to be added blueness and green added two blue subframe pictures and constituted by redness.The driving method of the colour picture that is provided in the present embodiment behind subframe picture of every demonstration just once with the reversal of poles of video data; In addition, this driving method also after showing a frame colour picture more once with the reversal of poles of video data, thereby make the polarity of data of the subframe picture that shows same color in the colour picture of adjacent two frames opposite.
Certainly, it will be understood by those skilled in the art that, the driving method of colour picture shown in Figure 3 also can be applied in the driving method of colour picture of the double-colored field technique of employing shown in Figure 4, the driving method of colour picture certainly, shown in Figure 4 can also be applied in the driving method of colour picture of employing black insertion technology shown in Figure 3.In addition, though the driving method of the colour picture of the foregoing description is these subframe pictures that show in order according to a definite sequence in every frame colour picture, but it will be understood by those skilled in the art that, the present invention can also be non-shows these subframe pictures in every frame colour picture according to definite sequence ground, if its make the subframe picture that shows same color in the colour picture of adjacent two frames data polarity on the contrary.In addition, it will be understood by those skilled in the art that, the driving method of disclosed colour picture also can be the driving method of other type, it is not limited to black insertion technology or double-colored field technique, as long as every frame colour picture is made up of the subframe picture of even number demonstration different colours, for example every frame colour picture also can be made up of red, green, blue and four white subframe pictures.
See also Fig. 5, it illustrates the synoptic diagram of the color plane display that discloses for one embodiment of the invention.As shown in Figure 5, color plane display 100 comprises that control module 110 and data provide unit 120.Wherein, data provide unit 120 to provide data with demonstration multiframe colour picture on color plane display 100, and every frame colour picture shows that by even number the subframe picture of different colours is formed.Control module 110 is electrically coupled to data unit 120 is provided, and the polarity of the data when control module 110 provides the polarity of the data that unit 120 provided to be controlled to show each these subframe picture by control data, thereby make that the polarity of data of the subframe picture that shows same color in the colour picture of adjacent two frames is opposite.Particularly, control module 110 can utilize the driving method of colour picture shown in Figure 3, makes that the polarity of these subframe pictures is identical in the colour picture of every frame, and behind the colour picture that shows a frame, make video data reversal of poles once.Perhaps, control module 110 can utilize the driving method of colour picture shown in Figure 4, after showing a subframe picture, make video data reversal of poles once, and after showing a frame colour picture, make the polarity of video data reverse once once more.
In addition, color plane display 100 may further include a plurality of light sources 130, and it is electrically coupled to control module 110 respectively sending the backlight of different colours in order, thereby makes color plane display 100 can show the subframe picture of different colours in order.
In sum, the driving method of color plane display of the present invention and colour picture thereof makes the data that show the subframe picture of same color in the colour picture of adjacent two frames have opposite polarity, comprise even number subframe picture with elimination by this and when showing, may accumulate the ghost phenomena that produces, guarantee the display quality of color plane display because of electric charge.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (12)
1. the driving method of the colour picture of a color plane display, wherein this color plane display is in order to show the multiframe colour picture, the colour picture of each these frame is made up of even number subframe picture, and these subframe pictures show different colours respectively, it is characterized in that the driving method of this colour picture comprises:
On this color plane display, show these subframe pictures in the colour picture of each these frame in order;
Wherein, the data of the subframe picture of demonstration same color have opposite polarity in the colour picture of adjacent two frames.
2. the driving method of the colour picture of color plane display according to claim 1, it is characterized in that, this color plane display comprises a plurality of light sources, these light sources send the backlight of different colours in order, to show the subframe picture of these different colours in order on this color plane display.
3. the driving method of the colour picture of color plane display according to claim 1 is characterized in that, these subframe pictures in the colour picture of each these frame are respectively the subframe picture of redness, green, blueness and black.
4. the driving method of the colour picture of color plane display according to claim 1 is characterized in that, these subframe pictures in the colour picture of each these frame are respectively redness, green, blue and white subframe picture.
5. the driving method of the colour picture of color plane display according to claim 1 is characterized in that, these subframe pictures in the colour picture of each these frame are respectively redness and add blueness, green and add blue subframe picture.
6. the driving method of the colour picture of color plane display according to claim 1 is characterized in that, the polarity of the data of these subframe pictures in the colour picture of each these frame is identical.
7. the driving method of the colour picture of color plane display according to claim 1 is characterized in that, these subframe pictures in the colour picture of each these frame are shown on this color plane display in order according to a definite sequence respectively.
8. a color plane display is characterized in that, comprising:
One data provide the unit, provide data to show the multiframe colour picture on this color plane display, and the colour picture of each these frame is made up of even number subframe picture, and these subframe pictures show different colours respectively; And
One control module, the polarity of the data when control shows each these subframe picture,
Wherein, the data of the subframe picture of demonstration same color have opposite polarity in the colour picture of adjacent two frames.
9. color plane display according to claim 8, it is characterized in that, this control module is electrically coupled to these data the unit is provided, and this control module is controlled the polarity of the data when showing each these subframe picture by the polarity of controlling these data and provide the data that the unit provides.
10. color plane display according to claim 8 is characterized in that, more comprises:
A plurality of light sources, these light sources send the backlight to show the subframe picture of different colours in order on this color plane display of different colours in order.
11. color plane display according to claim 8 is characterized in that, this control module makes the polarity of the data that show these subframe pictures in the colour picture of each these frame identical.
12. color plane display according to claim 8 is characterized in that, this control module is shown on the color plane display these subframe pictures in the colour picture of each these frame respectively in order according to a definite sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010225872 CN101882418A (en) | 2010-07-09 | 2010-07-09 | Flat panel color display and drive method of color pictures thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010225872 CN101882418A (en) | 2010-07-09 | 2010-07-09 | Flat panel color display and drive method of color pictures thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015168968A1 (en) * | 2014-05-08 | 2015-11-12 | 深圳市华星光电技术有限公司 | Field sequence liquid crystal display driving method and device thereof |
| CN105976768B (en) * | 2016-06-29 | 2018-10-19 | 深圳市华星光电技术有限公司 | The adjusting method of transparent display and transparent display |
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|---|---|---|---|---|
| US6570554B1 (en) * | 1999-11-08 | 2003-05-27 | Fujitsu Limited | Liquid crystal display |
| US6903718B2 (en) * | 2000-12-15 | 2005-06-07 | Lg.Philips Lcd Co., Ltd. | Method of driving liquid crystal display |
| CN1981538A (en) * | 2004-07-02 | 2007-06-13 | 皇家飞利浦电子股份有限公司 | Color display |
| CN101290761A (en) * | 2007-04-17 | 2008-10-22 | 精工爱普生株式会社 | Display device, method for driving display device, and electronic apparatus |
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2010
- 2010-07-09 CN CN 201010225872 patent/CN101882418A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6570554B1 (en) * | 1999-11-08 | 2003-05-27 | Fujitsu Limited | Liquid crystal display |
| US6903718B2 (en) * | 2000-12-15 | 2005-06-07 | Lg.Philips Lcd Co., Ltd. | Method of driving liquid crystal display |
| CN1981538A (en) * | 2004-07-02 | 2007-06-13 | 皇家飞利浦电子股份有限公司 | Color display |
| CN101290761A (en) * | 2007-04-17 | 2008-10-22 | 精工爱普生株式会社 | Display device, method for driving display device, and electronic apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015168968A1 (en) * | 2014-05-08 | 2015-11-12 | 深圳市华星光电技术有限公司 | Field sequence liquid crystal display driving method and device thereof |
| CN105976768B (en) * | 2016-06-29 | 2018-10-19 | 深圳市华星光电技术有限公司 | The adjusting method of transparent display and transparent display |
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Application publication date: 20101110 |