CN104332149B - Double-LCD synchronous different-directional scanning display system and method - Google Patents
Double-LCD synchronous different-directional scanning display system and method Download PDFInfo
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- CN104332149B CN104332149B CN201410672148.XA CN201410672148A CN104332149B CN 104332149 B CN104332149 B CN 104332149B CN 201410672148 A CN201410672148 A CN 201410672148A CN 104332149 B CN104332149 B CN 104332149B
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- display screens
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Abstract
The invention discloses double-LCD synchronous different-directional scanning display system and method. The system comprises a main control module, a main board interface socket and two LCD display screens; the two LCD display screens are respectively connected to interface sockets of the corresponding display screens on a main board; the main control module is used for outputting RGB information and a travelling field synchronous signal to the two LCD display screens through the main board interface socket, and the main control module is also used for respectively outputting display screen initializing signals to the two LCD display screens. The method comprises the following steps: A, outputting the initializing signals to the two LCD display screens through the main control module; B, outputting an RGB digital signal, a reference clock signal and the travelling field synchronous signal to the two LCD display screens through the main control module; C, displaying a complete and vivid image through the two LCD display screens according to the initializing command, the RGB digital signal, the travelling field synchronous signal and the reference clock signal, wherein the phase difference of the two display screens under displaying is 180 degrees during displaying.
Description
Technical field
The present invention discloses a kind of head-mounted display apparatus, particularly a kind of pair of lcd synchronously incorgruous scan display system and side
Method.
Background technology
With the continuous development of lcd Display Technique, application in people's life for the lcd display screen gets more and more, traditional
Lcd display screen is made up of a lot of pixels, them will be allowed to show complete image it is simply that being formed by scanning element point
's.At present, single lcd screen scanning Display Technique and be widely used in TV, computer monitor, mobile phone etc., but also do not have
Occur the incorgruous display of double-screen synchronous, this is the techno-absence in this area.
Content of the invention
For the defect of the lcd not having the incorgruous display of double-screen synchronous of the prior art mentioned above, the present invention provides
A kind of pair of lcd synchronously incorgruous scan display system and method, it inputs different column scan signal to two lcd, makes two lcd
The phase angle of display screen differs 180 °, is required with meeting display.
The present invention solves its technical problem and the technical scheme is that a kind of couple of lcd synchronously incorgruous scan display system, is
System includes main control module, mainboard interface socket and two lcd display screens, and two lcd display screens are connected respectively to and correspond on mainboard
The interface socket of display screen on, rgb information that main control module is exported by mainboard interface socket and row field sync signal to
Two lcd display screens, main control module also distinguishes output display screen initializing signal to two lcd display screens.
A kind of pair of lcd synchronously incorgruous scanning and display method, the method comprises the steps:
A, main control module export initializing signal to two lcd display screens；
Rgb digital signal, reference clock letter and row field sync signal that b, main control module export to two lcd display screens；
C, two lcd display screens are according to initialized instruction and rgb digital signal, row field sync signal, reference clock letter
Number show complete and lively image, during display, the phase contrast that two display screens show is 180 °.
The technical scheme that the present invention solves the employing of its technical problem further comprises:
Two described lcd display screens are connected respectively on the interface socket of corresponding display screen on mainboard, main control module
It is connected on mainboard interface socket by fpc.
Described main control module gives two lcd display screens by spi bus output display screen initializing signal.
Described main control module exports identical signal to two lcd display screens simultaneously.
During described display, during the display screen column scan on the left side, it is to scan from left to right, the display screen column scan on the right
When, it is to turn left scanning from the right side.
The invention has the beneficial effects as follows: the present invention can make two lcd display screen simultaneous display identical images, and two
180 ° of the phase contrast of display screen, that is, the 2nd lcd display screen have rotated 180 ° with respect to display screen phase angle, meet wear display device
Two demands simultaneously viewing identical image of personnel.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Brief description
Fig. 1 is the system block diagram of the present invention.
Fig. 2 is main control module partial circuit schematic diagram in the present invention.
Fig. 3 is fpc partial circuit schematic diagram in the present invention.
Fig. 4 is interface socket partial circuit schematic diagram in the present invention.
Fig. 5 is the signal flow graph of the present invention.
Specific embodiment
The present embodiment is the preferred embodiment for the present invention, and other its principles all are identical with the present embodiment or near with basic structure
As, all within the scope of the present invention.
Refer to accompanying drawing 1 to accompanying drawing 4, the system in the present invention mainly includes main control module, mainboard interface socket and two
Lcd display screen (i.e. lcd display screen 1 and lcd display screen 2), two lcd display screens are connected on mainboard by fpc respectively and correspond to
The interface socket of display screen on, for transmitting rgb information and row field sync signal, the rgb information of main control module output with
And row field sync signal exports to two lcd display screens by mainboard interface socket, in the present embodiment, main control module also by
Output display screen initializing signal gives two lcd display screens to spi respectively, and it is initialized.
Refer to accompanying drawing 5, the method in the present invention mainly comprises the steps:
1st, main control module exports initializing signal to two lcd display screens by spi bus, to allow the scanning of two screens
Direction differs 180 °, and initialized purpose seeks to set the parameter that screen drives, the such as scanning direction of display screen, scanning direction be from
Left-to-right still from right to left, the frequency of internal boosting timeclock, level parameters before and after row field, row-field scanning initiate and final position
Deng.
2nd, main control module is exported to two lcd display screens by mainboard rgb digital signal, reference clock letter and row field
Synchronizing signal, to determine the content of screen display image, size, row field frequencies range etc., in the present embodiment, main control module is simultaneously to two
Individual lcd display screen exports identical signal, is carried out with the synchronization ensureing to show, and image is identical.
3rd, two lcd display screens are according to the instruction of spi and rgb digital signal, row field sync signal, reference clock signal
Show complete and lively image, during display, the phase contrast that two display screens show is 180 °, in the present embodiment, the left side
During display screen column scan, it is to scan from left to right, during the display screen column scan on the right, be to turn left scanning from the right side.
The present invention can make two lcd display screen simultaneous display identical images, and 180 ° of the phase contrast of two display screens,
I.e. the 2nd lcd display screen have rotated 180 ° with respect to display screen phase angle, and the personnel two that satisfaction wears display device simultaneously view
The demand of identical image.
Claims (7)
1. a kind of double lcd synchronously incorgruous scanning and display method using the synchronous incorgruous scan display system of double lcd, described pair
Synchronously incorgruous scan display system includes main control module, mainboard interface socket and two lcd display screens, two lcd display screens to lcd
It is connected respectively on the interface socket of corresponding display screen on mainboard, main control module is believed by the rgb that mainboard interface socket exports
Breath and row field sync signal give two lcd display screens, and main control module also distinguishes output display screen initializing signal to two lcd
Display screen, is characterized in that: described method comprises the steps:
A, main control module export initializing signal to two lcd display screens；
Rgb digital signal, reference clock letter and row field sync signal that b, main control module export to two lcd display screens；
C, two lcd display screens show according to initialized instruction and rgb digital signal, row field sync signal, reference clock signal
Complete and lively image is shown, during display, the phase contrast that two display screens show is 180 °.
2. method according to claim 1, is characterized in that: described main control module exports to two lcd display screens simultaneously
Identical signal.
3. method according to claim 1, is characterized in that: during described display, during the display screen column scan on the left side, be from
Scan from left to right, during the display screen column scan on the right, be to turn left scanning from the right side.
4. the method according to claim 1 or 2 or 3, is characterized in that: described main control module passes through the output of spi bus just
Beginningization signal gives two lcd display screens.
5. the method according to claim 1 or 2 or 3, is characterized in that: described main control module passes through mainboard to two lcd
The rgb digital signal of display screen output, reference clock letter and row field sync signal.
6. method according to claim 1, is characterized in that: it is right on mainboard that two described lcd display screens are connected respectively to
On the interface socket of the display screen answered, main control module is connected on mainboard interface socket by fpc.
7. method according to claim 1, is characterized in that: described main control module passes through at the beginning of spi bus output display screen
Beginningization signal gives two lcd display screens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410672148.XA CN104332149B (en) | 2014-11-22 | 2014-11-22 | Double-LCD synchronous different-directional scanning display system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410672148.XA CN104332149B (en) | 2014-11-22 | 2014-11-22 | Double-LCD synchronous different-directional scanning display system and method |
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| Publication Number | Publication Date |
|---|---|
| CN104332149A CN104332149A (en) | 2015-02-04 |
| CN104332149B true CN104332149B (en) | 2017-01-18 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6297785B1 (en) * | 1996-03-12 | 2001-10-02 | Siemens Nixdorf Informationssysteme Aktiengesellschaft | Operation of a plurality of visual display units from one screen controller |
| CN101587667A (en) * | 2009-07-08 | 2009-11-25 | 南京Lg新港显示有限公司 | Collapsible dual-screen display device and display method thereof |
| CN102736722A (en) * | 2011-03-31 | 2012-10-17 | 国基电子（上海）有限公司 | An electronic device with double display screens and a method for controlling screen display thereof |
| CN103646638A (en) * | 2013-12-25 | 2014-03-19 | 厦门雅迅网络股份有限公司 | Android platform based double-screen display method |
| CN103839528A (en) * | 2014-02-20 | 2014-06-04 | 北京京东方显示技术有限公司 | Spliced display screen synchronous display method, clock controller and spliced display screen |
| CN204390689U (en) * | 2014-11-22 | 2015-06-10 | 深圳市思源进科技开发有限公司 | A kind of two LCD synchronous different is to scan display system |
-
2014
- 2014-11-22 CN CN201410672148.XA patent/CN104332149B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6297785B1 (en) * | 1996-03-12 | 2001-10-02 | Siemens Nixdorf Informationssysteme Aktiengesellschaft | Operation of a plurality of visual display units from one screen controller |
| CN101587667A (en) * | 2009-07-08 | 2009-11-25 | 南京Lg新港显示有限公司 | Collapsible dual-screen display device and display method thereof |
| CN102736722A (en) * | 2011-03-31 | 2012-10-17 | 国基电子（上海）有限公司 | An electronic device with double display screens and a method for controlling screen display thereof |
| CN103646638A (en) * | 2013-12-25 | 2014-03-19 | 厦门雅迅网络股份有限公司 | Android platform based double-screen display method |
| CN103839528A (en) * | 2014-02-20 | 2014-06-04 | 北京京东方显示技术有限公司 | Spliced display screen synchronous display method, clock controller and spliced display screen |
| CN204390689U (en) * | 2014-11-22 | 2015-06-10 | 深圳市思源进科技开发有限公司 | A kind of two LCD synchronous different is to scan display system |
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| Publication number | Publication date |
|---|---|
| CN104332149A (en) | 2015-02-04 |
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Effective date of registration: 20180723 Address after: 518000 Guangdong Shenzhen Baoan District Xixiang street, Po Yuen Road 168, excellent industrial products exhibition center A block 405 Patentee after: Shenzhen city health and beauty Technology Co. Ltd. Address before: 518000 Baoyuan Road, Xixiang Street, Baoan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN SIYUANJIN TECHNOLOGY DEVELOPMENT CO., LTD. |
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Granted publication date: 20170118 Termination date: 20201122 |