CN1588187A - Liquid crystal display with multiple panels - Google Patents
Liquid crystal display with multiple panels Download PDFInfo
- Publication number
- CN1588187A CN1588187A CN 200410061727 CN200410061727A CN1588187A CN 1588187 A CN1588187 A CN 1588187A CN 200410061727 CN200410061727 CN 200410061727 CN 200410061727 A CN200410061727 A CN 200410061727A CN 1588187 A CN1588187 A CN 1588187A
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- image data
- lcd
- color correction
- picture
- correction parameter
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Abstract
The invention is a multi-panel liquid crystal display (LCD), including an interface circuit and a liquid crystal display module. The interface circuit receives a first video data and outputs a second video data. The liquid crystal display module includes a time sequence controller, a first panel module and a second panel module. The time sequence controller receives the second video data and outputs a third video data and a four one according to the second video data. The first and second panel modules display the first and second pictures according to the third and fourth video data, respectively.
Description
Technical field
The present invention relates to a kind of LCD, particularly relate to a kind of LCD with multiaspect plate.
Background technology
(Liquid Crystal Display LCD) has the advantage of thin, the in light weight and low electromagnetic of volume, is widely used gradually in recent years because LCD.Fig. 1 is the conventional liquid crystal Organization Chart.LCD 100 comprises interface circuit 101 and LCD MODULE 102.Interface circuit 101 is exported by the personal computer main frame in order to receive outside image data, exports after converting it to digital image data.LCD MODULE 102 display frame according to digital image data again.
Outside image data for example is the DVI data of numeral, or S video signal (S-video) of simulation, combination video signal (composite video), D-sub video signal or the like.Comprise convergent-divergent chip (scaler IC) (not being illustrated among the figure) in the interface circuit 101, after the size of adjusting the external image data, the output digital image data.
LCD MODULE 102 comprises control circuit 110 and panel module 120.Control circuit 110 according to digital image data drive surface plate module 120 with display frame.Control circuit 110 comprises time schedule controller (timing controller) 112, color corrector 114 and DC-DC power converter 116.Panel module 120 comprises data driver 122, scans driver 124 and liquid crystal panel 126.
Output first image data was to data driver 122 after time schedule controller 112 received digital image data.Color corrector 114 is exported color correction parameter to data driver 122 according to the characteristic of liquid crystal panel 126, and color correction parameter for example comprises a plurality of Gamma voltages.DC-DC power converter 116 is in order to the power supply of output DC source as panel module 120.
Yet general LCD can only show a picture, need buy many LCD if need show a plurality of pictures simultaneously, makes that cost is set is too high.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of LCD, show identical or different picture in order to a plurality of panels of mat with multiaspect plate.
According to purpose of the present invention, a kind of LCD with multiaspect plate is proposed.LCD comprises interface circuit and LCD MODULE.Interface circuit is in order to receiving first image data, and exports second image data.And LCD MODULE comprises control circuit, first panel module and second panel module.Control circuit comprises time schedule controller, color corrector and DC-DC power converter.Time schedule controller is in order to receive second image data and to export the 3rd image data and the 4th image data according to this.Color corrector is in order to export first color correction parameter and second color correction parameter.The DC-DC power converter is in order to export first direct supply and second direct supply.First panel module operates with first direct supply, shows first picture according to this according to first color correction parameter and the 3rd image data.Second panel module operates with second direct supply, shows second picture according to this according to second color correction parameter and the 4th image data.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and be described with reference to the accompanying drawings as follows.
Description of drawings
Fig. 1 shows the Organization Chart of known liquid crystal screen display.
Fig. 2 shows the Organization Chart according to the LCD with multiaspect plate of a preferred embodiment of the present invention.
Fig. 3 shows the Organization Chart according to the LCD with multiaspect plate of another preferred embodiment of the present invention.
The drawing reference numeral explanation
100: LCD
200,300: LCD with multiaspect plate
101,201,301: interface circuit
102,202,302: LCD MODULE
110,210,310: control circuit
120,220,230,320,330: panel module
112,212,312: time schedule controller
114,214,314: color corrector
116,216,316: the DC-DC power converter
122: data driver
124: scanner driver
126: liquid crystal panel
318,319: timing control unit
Embodiment
Please refer to Fig. 2, it shows a kind of Organization Chart with LCD of multiaspect plate according to a preferred embodiment of the present invention.LCD 200 comprises interface circuit 201 and LCD MODULE 202.Interface circuit 201 is in order to receiving first image data, and export second image data to LCD MODULE 202 to show first picture and second picture.
LCD MODULE 202 comprises control circuit 210, panel module 220 and 230.Control circuit 210 is according to second image datas and drive surface plate module 220 and 230 and show first picture and second picture respectively.Control circuit 210 comprises time schedule controller (timing controller) 212, color correction unit 214 and DC-to-dc (DC-DC) power supply changeover device 216.And panel module 220 and 230 panel module as is known has data driver, scanner driver and liquid crystal panel respectively, is not shown in this
Implement in the illustration.
Time schedule controller 212 receives second image data, exports the 3rd image data and the 4th image data according to this.214 characteristics according to panel module 220 and panel module 230 of color corrector are exported first color correction parameter and second color correction parameter.First color correction parameter and second color correction parameter for example have a plurality of character used in proper names and in rendering some foreign names agate voltages respectively.DC-DC power converter 216 is in order to export first direct supply and second direct supply, with the power supply as panel module 220 and panel module 230.Panel module 220 operates with first direct supply, shows first picture according to this according to first color correction parameter and the 3rd image data again.Panel module 230 operates with second direct supply, shows second picture according to this according to second color correction parameter and the 4th image data again.
In the present embodiment, the 3rd image data of time schedule controller 212 output is identical with the 4th image data, makes that panel module 220 and 230 shown first pictures are also identical with second picture.And first color correction parameter is identical with second color correction parameter, and first direct supply and second direct supply are also identical.Utilize one group of control circuit because of the LCD of present embodiment and promptly can control the demonstration of two panel modules, make its production cost reduce, and present embodiment is not limited to use two panel modules, can also use plural panel module.
Please refer to Fig. 3, it shows the LCD figure with multiaspect plate according to another preferred embodiment of the present invention.LCD 300 comprises interface circuit 301 and LCD MODULE 302.Interface circuit 301 is in order to receiving first image data, and export according to this second image data to LCD MODULE 302 to show first picture and second picture.
LCD MODULE 302 comprises control circuit 310, panel module 320 and 330.Control circuit 310 is according to second image datas and drive surface plate module 320 and 330 and show first picture and second picture respectively.Control circuit 310 comprises time schedule controller 312, color corrector 314 and DC-DC power converter 316.And panel module 320 and 330 panel module as is known has data driver, scanner driver and liquid crystal panel respectively, is not shown in this and implements in illustration.
Time schedule controller 312 receives second image data, exports the 3rd image data and the 4th image data according to this.Color corrector 314 is exported first color correction parameter and second color correction parameter according to the characteristic of panel module 320 and 330.First color correction parameter and second color correction parameter for example have a plurality of character used in proper names and in rendering some foreign names agate voltages respectively.DC-DC power converter 316 is in order to export first direct supply and second direct supply, as the power supply of panel module 320 and 330.Panel module 320 is to operate with first direct supply, shows first picture according to this according to first color correction parameter and the 3rd image data.Panel module 330 is to operate with second direct supply, shows second picture according to this according to second color correction parameter and the 4th image data.
In the present embodiment, 312 of time schedule controllers have also comprised timing control unit 318 and sequential control module 319.Timing control unit 318 is exported the 3rd image data according to second image datas, with control panel module 320 accordingly.Timing control unit 319 is exported the 4th image data according to second image datas, with control panel module 330 accordingly.Second image data comprises two different picture datas, so that the 3rd image data and the 4th image data are inequality, first picture and second picture are also therefore inequality.And first color correction parameter is identical with second color correction parameter, and first direct supply and second direct supply are also identical.Present embodiment utilizes one group of control circuit and can therefore can reduce the cost of LCD so that two panel modules show different pictures respectively, and easy to use.And present embodiment is not limited to use two panel modules, can also use plural panel module.
The LCD with multiaspect plate that the above embodiment of the present invention is disclosed, because of using same group of control circuit, a plurality of panel modules of corresponding control are to show identical or different independent pictures.Then can reduce the outlay of production and the volume of liquid crystal screen display, reach the compact characteristic of cost-effective purpose and liquid crystal screen display.
In sum; though the present invention discloses as above with preferred embodiment, so it is not that those skilled in the art without departing from the spirit and scope of the present invention in order to qualification the present invention; can be used for a variety of modifications and variations, so protection scope of the present invention is as the criterion with claim of the present invention.
Claims (6)
1. LCD with multiaspect plate comprises:
One interface circuit in order to receiving one first image data, and is exported one second image data; And
One LCD MODULE comprises:
Time schedule controller receives this second image data and exports one the 3rd image data and one the 4th image data according to this;
One colour correction device is exported one first color correction parameter and one second color correction parameter;
One direct current-dc power converter is exported one first direct supply and one second direct supply;
One first panel module operates with this first direct supply, according to this first color correction parameter and the 3rd image data and show one first picture according to this; And
One second panel module with this second value stream power supply and operate, shows one second picture according to this according to this second color correction parameter and the 4th image data.
2. LCD as claimed in claim 1, wherein the 3rd image data is identical with the 4th image data, makes this first picture identical in fact with this second picture.
3. LCD as claimed in claim 1, wherein this first color correction parameter is identical with this second color correction parameter.
4. LCD as claimed in claim 1, wherein this first direct supply and this second direct supply are identical.
5. LCD as claimed in claim 1, wherein the 3rd image data and the 4th image data are inequality, make that this first picture and this second picture are inequality.
6. LCD as claimed in claim 5, wherein this time schedule controller comprises one first timing control unit and one second timing control unit, exports the 3rd image data and the 4th image data respectively according to this second image data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410061727 CN1292291C (en) | 2004-07-01 | 2004-07-01 | Liquid crystal display with multiple panels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410061727 CN1292291C (en) | 2004-07-01 | 2004-07-01 | Liquid crystal display with multiple panels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1588187A true CN1588187A (en) | 2005-03-02 |
| CN1292291C CN1292291C (en) | 2006-12-27 |
Family
ID=34603647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410061727 Expired - Fee Related CN1292291C (en) | 2004-07-01 | 2004-07-01 | Liquid crystal display with multiple panels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1292291C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101645246B (en) * | 2009-09-01 | 2012-01-25 | 广州视景显示技术研发有限公司 | Front-back-display liquid crystal display system and playing control method |
| CN101751882B (en) * | 2008-11-28 | 2012-09-19 | 乐金显示有限公司 | Multi-panel display and method of driving the same |
| US8810477B2 (en) | 2007-04-12 | 2014-08-19 | Lg Display Co., Ltd. | Display device to drive a plurality of display modules for dividing data signals and method for driving the same |
-
2004
- 2004-07-01 CN CN 200410061727 patent/CN1292291C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8810477B2 (en) | 2007-04-12 | 2014-08-19 | Lg Display Co., Ltd. | Display device to drive a plurality of display modules for dividing data signals and method for driving the same |
| US9030376B2 (en) | 2007-04-12 | 2015-05-12 | Lg Display Co., Ltd. | Display device to drive a plurality of display modules for dividing data signals |
| CN101751882B (en) * | 2008-11-28 | 2012-09-19 | 乐金显示有限公司 | Multi-panel display and method of driving the same |
| CN101645246B (en) * | 2009-09-01 | 2012-01-25 | 广州视景显示技术研发有限公司 | Front-back-display liquid crystal display system and playing control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1292291C (en) | 2006-12-27 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061227 Termination date: 20200701 |