CN104700804A - COG (Chip On Glass) liquid crystal display device, display control device and display system - Google Patents
COG (Chip On Glass) liquid crystal display device, display control device and display system Download PDFInfo
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- CN104700804A CN104700804A CN201510137923.6A CN201510137923A CN104700804A CN 104700804 A CN104700804 A CN 104700804A CN 201510137923 A CN201510137923 A CN 201510137923A CN 104700804 A CN104700804 A CN 104700804A
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Abstract
The embodiment of the invention discloses a COG (Chip On Glass) liquid crystal display device, a display control device and a display system, and aims at driving a COG lamp panel to work as well as achieving high working efficiency. The COG liquid crystal display device comprises a control module and a COG lamp panel; the control module comprises a differential signal receiver for receiving a source differential signal sent by a display control device, a time sequence controller for converting the source differential signal acquired by the differential signal receiver into a control signal and a target differential signal, an a row controller for driving the COG lamp panel to work according to the control signal and the target differential signal.
Description
Technical field
The present invention relates to technical field of liquid crystal display, be specifically related to a kind of glass substrate chip (Chip onGlass is called for short COG) liquid crystal indicator, display control unit and display system.
Background technology
COG LCD MODULE compares other LCD MODULE, has the welcome that volume is little, reliability is high and be subject to users.Driving chip (IC) is directly bound on LCDs (Liquid Crystal Display is called for short LCD) glass by COG LCD MODULE exactly, drives corresponding LED work on COG lamp plate by driving chip.
Wherein, COG lamp plate in COG LCD MODULE adopts identical processing procedure, namely LED is directly bound on glass, with common employing surface mount device (Surface Mounted Devices, being called for short SMD) lamp plate of processing procedure is different, LED in COG lamp plate is only static state display, and the lamp plate of SMD processing procedure is Dynamic Announce, therefore, the control system shown for the lamp plate of control SMD processing procedure can not be applicable to COG lamp plate, thus needs alone for COG lamp plate develops corresponding control system.
Summary of the invention
Embodiments provide a kind of COG liquid crystal indicator, display control unit and display system, to drive the work of COG lamp plate, work efficiency is high.
First aspect present invention provides a kind of COG liquid crystal indicator, can comprise control module and COG lamp plate;
Wherein, above-mentioned control module comprises:
Differential signal receiver, for receiving the source differential signal that display control unit sends;
Time schedule controller, converts control signal and goal discrepancy sub-signal to for the above-mentioned source differential signal obtained by above-mentioned differential signal receiver;
Ranks controller, for driving the work of above-mentioned COG lamp plate according to above-mentioned control signal and goal discrepancy sub-signal.
Second aspect present invention provides a kind of COG liquid crystal display control device, can comprise: image processing module and differential signal transmission device;
Wherein, above-mentioned image processing module, for obtaining the image of image documentation equipment input, decodes to above-mentioned image, obtains image information, carries out adjustment process to above-mentioned image information;
Above-mentioned differential signal transmission device, for converting the image information after adjustment to differential signal, and sends to COG liquid crystal indicator by above-mentioned differential signal.
Third aspect present invention provides a kind of COG liquid crystal display systems, can comprise:
The COG liquid crystal display control device that the COG liquid crystal indicator that above-mentioned first aspect provides, above-mentioned second aspect provide and image documentation equipment;
Wherein, above-mentioned COG liquid crystal display control device is connected with above-mentioned COG liquid crystal indicator by signal wire, and above-mentioned image documentation equipment is connected with above-mentioned COG liquid crystal display control device by signal wire;
Image is inputted above-mentioned COG liquid crystal display control device by above-mentioned image documentation equipment.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
In embodiments of the present invention, COG liquid crystal display control device carries out decoding to the image that image documentation equipment inputs and obtains image information, then adjustment process is carried out to image information, then convert the image information after adjustment to differential signal, differential signal input COG liquid crystal indicator.Differential signal is converted to control signal and goal discrepancy sub-signal by time schedule controller, ranks controller and then drive the work of COG lamp plate according to control signal and goal discrepancy sub-signal in COG liquid crystal indicator.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in the embodiment of the present invention below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the COG liquid crystal display control device that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the COG liquid crystal display control device that Fig. 2 provides for another embodiment of the present invention;
The structural representation of the COG liquid crystal display control device that Fig. 3 provides for another embodiment of the present invention;
The structural representation of the COG liquid crystal indicator that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the COG liquid crystal indicator that Fig. 5 provides for another embodiment of the present invention;
The structural representation of the COG liquid crystal display systems that Fig. 6 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing of the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiments provide a kind of COG liquid crystal indicator, display control unit and display system, for drive COG lamp plate to work, work efficiency is high.
Refer to Fig. 1, the structural representation of the COG liquid crystal display control device that Fig. 1 provides for the embodiment of the present invention; As shown in Figure 1, a kind of COG liquid crystal display control device 100, can comprise image processing module 110 and differential signal transmission device 120;
Wherein, above-mentioned image processing module 110, for obtaining the image of image documentation equipment input, decodes to above-mentioned image, obtains image information, carries out adjustment process to above-mentioned image information;
Above-mentioned differential signal transmission device 120, for converting the image information after adjustment to differential signal, and sends to COG liquid crystal indicator by above-mentioned differential signal.
Be appreciated that image information mainly includes image size, image display resolution, image coordinate information etc.
Visible, in COG liquid crystal display control device, image processing module is used for decoding to image, obtains image information, and then adjusts process accordingly to image information, converts the image information after adjustment to differential signal, sends to COG liquid crystal indicator.
Refer to Fig. 2, the structural representation of the COG liquid crystal display control device that Fig. 2 provides for another embodiment of the present invention; As shown in Figure 2, the image processing module 110 in above-mentioned COG liquid crystal display control device, can comprise:
Image-decoding device 210, for obtaining the image of external image device input, carrying out decoding process to above-mentioned image, obtaining image information;
Image zooming device 220, for processing above-mentioned image information, to make to zoom in or out the ratio of above-mentioned image;
Color adjuster 230, for processing by the image information after above-mentioned image zooming device process further, to realize adjusting the color of above-mentioned image.
Wherein, store in above-mentioned color adjuster 230 and preset color information value, above-mentioned color adjuster 230 specifically for, when the color information in above-mentioned image information is not identical with preset color information value, the color information in above-mentioned image information is adjusted to above-mentioned preset color information.
Refer to Fig. 3, the structural representation of the COG liquid crystal display control device that Fig. 3 provides for another embodiment of the present invention; The difference of the COG liquid crystal display control device shown in Fig. 3 and the COG liquid crystal display control device shown in Fig. 1 is, in the COG liquid crystal display control device 100 shown in Fig. 3, also include image load module 310.
Be appreciated that, image load module 310 comprises Digital Video Interactive (Digital VideoInteractive, be called for short DVI) interface, HDMI (High Definition Multimedia Interface) (High-Definition MultimediaInterface, be called for short HDMI) interface, audio/video (A/V) input port, at least one in display port.
Refer to Fig. 4, the structural representation of the COG liquid crystal indicator that Fig. 4 provides for the embodiment of the present invention; As shown in Figure 4, a kind of COG liquid crystal indicator 400, can comprise control module 410 and COG lamp plate 420;
Wherein, above-mentioned control module 410 comprises:
Differential signal receiver 411, for receiving the source differential signal that display control unit sends;
Time schedule controller 412, converts control signal and goal discrepancy sub-signal to for the above-mentioned source differential signal obtained by above-mentioned differential signal receiver;
Ranks controller 413, for driving the work of above-mentioned COG lamp plate according to above-mentioned control signal and goal discrepancy sub-signal.
Wherein, above-mentioned display control unit is specifically as follows accompanying drawing 1, accompanying drawing 2 or the COG liquid crystal display control device 100 shown in accompanying drawing 3.
Can find out, differential signal receiver obtains the source differential signal that display control unit sends from COG liquid crystal display control device, time schedule controller converts source differential signal to control signal and goal discrepancy sub-signal further, and then ranks controller drives the work of COG lamp plate according to control signal and goal discrepancy sub-signal.In embodiments of the present invention, be the principle of work of static state display, provide corresponding control for COG lamp plate, COG lamp plate can be made normally to work, and work efficiency is high.
Wherein, as shown in Figure 5, above-mentioned ranks controller 413 comprises:
Line control unit 511, for according to the corresponding signal in above-mentioned control signal and goal discrepancy sub-signal, drives the up corresponding lamp work of above-mentioned COG lamp plate;
Row controller 512, for according to the corresponding signal in above-mentioned control signal and goal discrepancy sub-signal, drives the above-listed corresponding lamp work of above-mentioned COG lamp plate.
In embodiments of the present invention, the control signal that time schedule controller is converted to and goal discrepancy sub-signal, control signal and the goal discrepancy sub-signal of the up correspondence of control COG lamp plate will be divided into, and the control signal of the above-listed correspondence of control COG lamp plate and goal discrepancy sub-signal, and the control signal corresponding by row and goal discrepancy sub-signal are sent to line control unit, the control signal corresponding by row and goal discrepancy sub-signal send to row controller, thus make line control unit be responsible for the lamp work of the up correspondence of control COG lamp plate, the lamp work of the above-listed correspondence of control COG lamp plate is responsible for by row controller.
Refer to Fig. 6, the structural representation of the COG liquid crystal display systems that Fig. 6 provides for the embodiment of the present invention; As shown in Figure 6, a kind of COG liquid crystal display systems that the embodiment of the present invention provides, comprises several COG liquid crystal display control devices 100 as shown in accompanying drawing 1,2 or 3, the COG liquid crystal indicator 400 shown in accompanying drawing 4 or 5 and image documentation equipment 600.
Wherein, COG liquid crystal display control device is connected with above-mentioned COG liquid crystal indicator by signal wire, and above-mentioned image documentation equipment is connected with above-mentioned COG liquid crystal display control device by signal wire;
Image is inputted above-mentioned COG liquid crystal display control device by above-mentioned image documentation equipment.
Be appreciated that, image processing module in COG liquid crystal display control device is decoded to the image that image documentation equipment inputs, obtain image information, and then adjustment process is carried out to image information, mainly the displaying ratio, color etc. of image are adjusted, to make it possible to correct on a display screen and high-quality display.Then differential signal transmission device converts the image information after adjustment to source differential signal, source differential signal sends to COG liquid crystal indicator, the time schedule controller of COG liquid crystal indicator converts source differential signal to control signal and goal discrepancy sub-signal further, and then ranks controller is then according to control signal and the work of goal discrepancy sub-signal control COG lamp plate.
In addition, COG liquid crystal display control device and COG liquid crystal indicator with reference to the detailed introduction of above-described embodiment, can not repeat them here.
Above a kind of COG liquid crystal indicator provided by the present invention, display control unit and display system are described in detail, for one of ordinary skill in the art, according to the thought of the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. a COG liquid crystal indicator, is characterized in that, comprises control module and COG lamp plate;
Wherein, described control module comprises:
Differential signal receiver, for receiving the source differential signal that display control unit sends;
Time schedule controller, converts control signal and goal discrepancy sub-signal to for the described source differential signal obtained by described differential signal receiver;
Ranks controller, for driving the work of described COG lamp plate according to described control signal and goal discrepancy sub-signal.
2. device according to claim 1, is characterized in that,
Described ranks controller comprises:
Line control unit, for according to the corresponding signal in described control signal and goal discrepancy sub-signal, drives the up corresponding lamp work of described COG lamp plate;
Row controller, for according to the corresponding signal in described control signal and goal discrepancy sub-signal, drives the above-listed corresponding lamp work of described COG lamp plate.
3. a COG liquid crystal display control device, is characterized in that, comprises image processing module and differential signal transmission device;
Wherein, described image processing module, for obtaining the image of image documentation equipment input, decodes to described image, obtains image information, carries out adjustment process to described image information;
Described differential signal transmission device, for converting the image information after adjustment to differential signal, and sends to COG liquid crystal indicator by described differential signal.
4. device according to claim 3, is characterized in that,
Described image processing module comprises:
Image-decoding device, for obtaining the image of external image device input, carrying out decoding process to described image, obtaining image information;
Image zooming device, for processing described image information, to make to zoom in or out the ratio of described image;
Color adjuster, for processing by the image information after described image zooming device process further, to realize adjusting the color of described image.
5. device according to claim 4, is characterized in that,
Store in described color adjuster and preset color information value, described color adjuster specifically for, when the color information in described image information is not identical with preset color information value, the color information in described image information is adjusted to described preset color information.
6. the device according to any one of claim 3 ~ 5, is characterized in that,
Described device also comprises image load module.
7. device according to claim 6, is characterized in that,
Described image load module comprises at least one in Digital Video Interactive DVI interface, HDMI (High Definition Multimedia Interface) HDMI, audio/video A/V input port, display port.
8. a COG liquid crystal display systems, is characterized in that, comprising:
Some COG liquid crystal indicators as claimed in claim 1 or 2 and the COG liquid crystal display control device as described in any one of claim 3 ~ 7 and image documentation equipment;
Wherein, described COG liquid crystal display control device is connected with described COG liquid crystal indicator by signal wire, and described image documentation equipment is connected with described COG liquid crystal display control device by signal wire;
Image is inputted described COG liquid crystal display control device by described image documentation equipment.
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| CN201510137923.6A CN104700804B (en) | 2015-03-25 | 2015-03-25 | A kind of COG liquid crystal display devices, display control unit and display system |
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| CN201510137923.6A CN104700804B (en) | 2015-03-25 | 2015-03-25 | A kind of COG liquid crystal display devices, display control unit and display system |
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| CN104700804A true CN104700804A (en) | 2015-06-10 |
| CN104700804B CN104700804B (en) | 2018-07-10 |
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| US20120075172A1 (en) * | 2010-09-28 | 2012-03-29 | Panasonic Liquid Crystal Display Co., Ltd. | Liquid crystal display device |
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