CN104700804B - A kind of COG liquid crystal display devices, display control unit and display system - Google Patents
A kind of COG liquid crystal display devices, display control unit and display system Download PDFInfo
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- CN104700804B CN104700804B CN201510137923.6A CN201510137923A CN104700804B CN 104700804 B CN104700804 B CN 104700804B CN 201510137923 A CN201510137923 A CN 201510137923A CN 104700804 B CN104700804 B CN 104700804B
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Abstract
The embodiment of the invention discloses a kind of COG liquid crystal display devices, display control unit and display systems, and for COG lamp plates to be driven to work, working efficiency is high.COG liquid crystal display devices provided by the invention include：Control module and COG lamp plates；Wherein, above-mentioned control module includes：Differential signal receiver, for receiving the source differential signal of display control unit transmission；Sequence controller, for the above-mentioned source differential signal that above-mentioned differential signal receiver obtains to be converted into control signal and target differential signal；Ranks controller, for above-mentioned COG lamp plates being driven to work according to above-mentioned control signal and target differential signal.
Description
Technical field
The present invention relates to technical field of liquid crystal display, and in particular to a kind of glass substrate chip (Chip on Glass, letter
Claim COG) liquid crystal display device, display control unit and display system.
Background technology
COG LCD MODULEs compare other LCD MODULEs, have small, reliability it is high and by users
Welcome.Driving chip (IC) is exactly directly bound to liquid crystal display (Liquid Crystal by COG LCD MODULEs
Display, abbreviation LCD) on glass, by corresponding LED light work on driving chip driving COG lamp plates.
Wherein, the COG lamp plates in COG LCD MODULEs use identical processing procedure, that is, LED light is directly bound to
On glass, with the common lamp plate using surface mount device (Surface Mounted Devices, abbreviation SMD) processing procedure not
Together, the LED light in COG lamp plates is only static state display, and the lamp plate of SMD processing procedures is Dynamic Announce, therefore, for controlling SMD systems
The control system that the lamp plate of journey is shown is not applied for COG lamp plates, so as to need alone for the corresponding control system of COG lamp plates exploitation
System.
Invention content
An embodiment of the present invention provides a kind of COG liquid crystal display devices, display control unit and display system, with driving
COG lamp plates work, and working efficiency is high.
First aspect present invention provides a kind of COG liquid crystal display devices, it may include control module and COG lamp plates；
Wherein, above-mentioned control module includes：
Differential signal receiver, for receiving the source differential signal of display control unit transmission；
Sequence controller, for the above-mentioned source differential signal that above-mentioned differential signal receiver obtains to be converted into control signal
With target differential signal；
Ranks controller, for above-mentioned COG lamp plates being driven to work according to above-mentioned control signal and target differential signal.
Second aspect of the present invention provides a kind of COG liquid crystal display control devices, it may include：Image processing module and difference
Signal transmission device；
Wherein, above-mentioned image processing module for obtaining the image of image documentation equipment input, is decoded above-mentioned image,
Image information is obtained, processing is adjusted to above-mentioned image information；
Above-mentioned differential signal transmission device, for the image information after adjusting to be converted into differential signal, and by above-mentioned difference
Signal is sent to COG liquid crystal display devices.
Third aspect present invention provides a kind of COG liquid crystal display systems, it may include：
The COG liquid crystal displays control dress that the COG liquid crystal display devices of above-mentioned first aspect offer, above-mentioned second aspect provide
It puts and image documentation equipment；
Wherein, above-mentioned COG liquid crystal display control devices are connect by signal wire with above-mentioned COG liquid crystal display devices, above-mentioned
Image documentation equipment is connect by signal wire with above-mentioned COG liquid crystal display control devices；
Image is inputted above-mentioned COG liquid crystal display control devices 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, the image that COG liquid crystal display control devices input image documentation equipment is decoded to obtain
Then image information is adjusted image information processing, then the image information after adjustment is converted into differential signal, difference letter
Number input COG liquid crystal display devices.Differential signal is converted into control signal by sequence controller in COG liquid crystal display devices
With target differential signal, ranks controller and then according to control signal and the driving COG lamp plate work of target differential signal.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, it will make below to required in the embodiment of the present invention
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structure diagram of COG liquid crystal display control devices provided in an embodiment of the present invention；
Fig. 2 is the structure diagram of COG liquid crystal display control devices that another embodiment of the present invention provides；
Fig. 3 is the structure diagram of COG liquid crystal display control devices that another embodiment of the present invention provides；
Fig. 4 is the structure diagram of COG liquid crystal display devices provided in an embodiment of the present invention；
Fig. 5 is the structure diagram of COG liquid crystal display devices that another embodiment of the present invention provides；
Fig. 6 is the structure diagram of COG liquid crystal display systems provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing of the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained without creative efforts
Example is applied, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a kind of COG liquid crystal display devices, display control unit and display system, for drive
Dynamic COG lamp plates work, working efficiency are high.
Referring to Fig. 1, Fig. 1 is the structure diagram of COG liquid crystal display control devices provided in an embodiment of the present invention；Such as figure
Shown in 1, a kind of COG liquid crystal display control devices 100 can include 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, solves above-mentioned image
Code obtains image information, processing is adjusted to above-mentioned image information；
Above-mentioned differential signal transmission device 120, for the image information after adjusting to be converted into differential signal, and by above-mentioned difference
Sub-signal is sent to COG liquid crystal display devices.
It is appreciated that image information mainly includes image size, image display resolution, image coordinate information etc..
As it can be seen that image processing module obtains image letter for being decoded to image in COG liquid crystal display control devices
Then breath again makees image information corresponding adjustment processing, the image information after adjustment is converted into differential signal, is sent to
COG liquid crystal display devices.
Referring to Fig. 2, Fig. 2 is the structure diagram of COG liquid crystal display control devices that another embodiment of the present invention provides；
As shown in Fig. 2, the image processing module 110 in above-mentioned COG liquid crystal display control devices, can include：
For obtaining the image of external image device input, processing is decoded to above-mentioned image for image-decoding device 210,
Obtain image information；
Image zooming device 220, for handling above-mentioned image information, so as to be amplified to the ratio of above-mentioned image
Or it reduces；
Color adjuster 230, for further to by above-mentioned image zooming device, treated that image information is handled, with
Realization is adjusted the color of above-mentioned image.
Wherein, it is stored in above-mentioned color adjuster 230 and presets color information value, above-mentioned color adjuster 230 is specific
For, will be in above-mentioned image information when the color information in above-mentioned image information and preset color information value differ
Color information is adjusted to above-mentioned preset color information.
Referring to Fig. 3, Fig. 3 is the structure diagram of COG liquid crystal display control devices that another embodiment of the present invention provides；
The difference of COG liquid crystal display control devices shown in Fig. 3 and COG liquid crystal display control devices shown in FIG. 1 is, in Fig. 3
Image input module 310 has been further included in shown COG liquid crystal display control devices 100.
It is appreciated that image input module 310 includes interactive digital video system (Digital Video
Interactive, abbreviation DVI) interface, high-definition multimedia interface (High-Definition Multimedia
Interface, abbreviation HDMI) interface, audio/video (A/V) input port, at least one of display port.
Referring to Fig. 4, Fig. 4 is the structure diagram of COG liquid crystal display devices provided in an embodiment of the present invention；Such as Fig. 4 institutes
Show, a kind of COG liquid crystal display devices 400, control module 410 and COG lamp plates 420 can be included；
Wherein, above-mentioned control module 410 includes：
Differential signal receiver 411, for receiving the source differential signal of display control unit transmission；
Sequence controller 412, for the above-mentioned source differential signal that above-mentioned differential signal receiver obtains to be converted into controlling
Signal and target differential signal；
Ranks controller 413, for above-mentioned COG lamp plates being driven to work according to above-mentioned control signal and target differential signal.
Wherein, above-mentioned display control unit is specifically as follows attached drawing 1, attached drawing 2 or attached COG liquid crystal displays control shown in Fig. 3
Device 100 processed.
As can be seen that differential signal receiver obtains display control unit transmission from COG liquid crystal display control devices
Source differential signal is converted further into control signal and target differential signal, and then ranks by source differential signal, sequence controller
Controller is according to control signal and the driving COG lamp plate work of target differential signal.In embodiments of the present invention, for COG lamp plates
In the operation principle of static state display, corresponding control is provided, COG lamp plates is enabled to work normally, working efficiency is high.
Wherein, as shown in figure 5, above-mentioned ranks controller 413 includes：
Line control unit 511, for the corresponding signal in above-mentioned control signal and target differential signal, driving is above-mentioned
Lamp work corresponding to COG lamp plate uplinks；
Row controller 512, for the corresponding signal in above-mentioned control signal and target differential signal, driving is above-mentioned
The above-listed corresponding lamp work of COG lamp plates.
In embodiments of the present invention, the control signal and target differential signal that sequence controller is converted to, will be divided into control
The corresponding control signal of COG lamp plates uplink processed and the above-listed corresponding control signal of target differential signal and control COG lamp plates and
Target differential signal, and the corresponding control signal of row and target differential signal are sent to line control unit, corresponding control will be arranged
Signal processed and target differential signal are sent to row controller, so that line control unit is responsible for controlling COG lamp plate uplinks corresponding
Lamp works, and row controller is responsible for controlling the above-listed corresponding lamp work of COG lamp plates.
Referring to Fig. 6, Fig. 6 is the structure diagram of COG liquid crystal display systems provided in an embodiment of the present invention；Such as Fig. 6 institutes
Show, a kind of COG liquid crystal display systems provided in an embodiment of the present invention, including the COG liquid crystal severaled as shown in attached drawing 1,2 or 3
COG liquid crystal display devices 400 and image documentation equipment 600 shown in display control unit 100, attached drawing 4 or 5.
Wherein, COG liquid crystal display control devices are connect by signal wire with above-mentioned COG liquid crystal display devices, above-mentioned image
Equipment is connect by signal wire with above-mentioned COG liquid crystal display control devices；
Image is inputted above-mentioned COG liquid crystal display control devices by above-mentioned image documentation equipment.
It is appreciated that the image processing module in COG liquid crystal display control devices carries out the image that image documentation equipment inputs
Decoding, obtains image information, processing is then adjusted to image information again, mainly to the display scale of image, color etc.
It is adjusted, enables to correct and high-quality display on a display screen.Then differential signal transmission device is by the shadow after adjustment
As information is converted into source differential signal, source differential signal is sent to COG liquid crystal display devices, the sequential of COG liquid crystal display devices
Source differential signal is further converted into control signal and target differential signal by controller, and then ranks controller is then according to control
Signal and the control COG lamp plate work of target differential signal.
In addition, COG liquid crystal display control devices and COG liquid crystal display devices are referred to detailed Jie of above-described embodiment
It continues, details are not described herein.
A kind of COG liquid crystal display devices provided by the present invention, display control unit and display system are carried out above
It is discussed in detail, for the thought of those of ordinary skill in the art, according to the present invention embodiment, in specific embodiment and application
There will be changes in range, in conclusion the content of the present specification should not be construed as limiting the invention.
Claims (7)
1. a kind of COG liquid crystal display devices, which is characterized in that including control module and COG lamp plates；
Wherein, the control module includes：
Differential signal receiver, for receiving the source differential signal of display control unit transmission；
Sequence controller, for the source differential signal that the differential signal receiver obtains to be converted into control signal and mesh
Mark differential signal；
Ranks controller, for the COG lamp plates being driven to work according to the control signal and target differential signal；
The ranks controller includes：
Line control unit for the corresponding signal in the control signal and target differential signal, is driven on the COG lamp plates
The corresponding lamp work of row；
Row controller for the corresponding signal in the control signal and target differential signal, is driven on the COG lamp plates
The corresponding lamp work of row.
2. a kind of COG liquid crystal display control devices, which is characterized in that including image processing module and differential signal transmission device；
Wherein, the image processing module for obtaining the image of image documentation equipment input, is decoded the image, obtains
Image information is adjusted processing to the image information；
The differential signal transmission device, for the image information after adjusting to be converted into differential signal, and by the differential signal
It is sent to COG liquid crystal display devices；
The COG liquid crystal display devices include control module and COG lamp plates；
Wherein, the control module includes：
Differential signal receiver, for receiving the source differential signal of display control unit transmission；
Sequence controller, for the source differential signal that the differential signal receiver obtains to be converted into control signal and mesh
Mark differential signal；
Ranks controller, for the COG lamp plates being driven to work according to the control signal and target differential signal；
The ranks controller includes：
Line control unit for the corresponding signal in the control signal and target differential signal, is driven on the COG lamp plates
The corresponding lamp work of row；
Row controller for the corresponding signal in the control signal and target differential signal, is driven on the COG lamp plates
The corresponding lamp work of row.
3. COG liquid crystal display control devices according to claim 2, which is characterized in that
The image processing module includes：
For obtaining the image of image documentation equipment input, processing is decoded to the image for image-decoding device, obtains image letter
Breath；
Image zooming device, for handling the image information, so as to be zoomed in or out to the ratio of the image；
Color adjuster, for further to treated that image information is handled by the image zooming device, to realize pair
The color of the image is adjusted.
4. COG liquid crystal display control devices according to claim 3, which is characterized in that
Preset color information value is stored in the color adjuster, the color adjuster is specifically used for, when the image
When color information in information is differed with preset color information value, the color information in the image information is adjusted to institute
State preset color information value.
5. according to claim 2~4 any one of them COG liquid crystal display control devices, which is characterized in that
The COG liquid crystal display control devices further include image input module.
6. COG liquid crystal display control devices according to claim 5, which is characterized in that
The image input module include interactive digital video system DVI interface, high-definition multimedia interface HDMI interface,
At least one of audio/video A/V input ports, display port.
7. a kind of COG liquid crystal display systems, which is characterized in that including：
Several COG liquid crystal display devices as described in claim 1 and such as claim 2~6 any one of them COG liquid
Brilliant display control unit and image documentation equipment；
Wherein, the COG liquid crystal display control devices are connect by signal wire with the COG liquid crystal display devices, the image
Equipment is connect by signal wire with the COG liquid crystal display control devices；
Image is inputted the COG liquid crystal display control devices by the image documentation equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510137923.6A CN104700804B (en) | 2015-03-25 | 2015-03-25 | A kind of COG liquid crystal display devices, display control unit and display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Publication Number | Publication Date |
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| CN104700804A CN104700804A (en) | 2015-06-10 |
| CN104700804B true CN104700804B (en) | 2018-07-10 |
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| CN101115129A (en) * | 2006-07-28 | 2008-01-30 | 奇美电子股份有限公司 | Plane display having multi-channel data transmission interface and image transmission method |
| CN201369152Y (en) * | 2009-03-21 | 2009-12-23 | 汕头超声显示器（二厂）有限公司 | RGB backlight type color liquid crystal display component |
| CN101882427A (en) * | 2008-12-30 | 2010-11-10 | 东部高科股份有限公司 | Differential signaling serial interface circuit |
| CN102254523A (en) * | 2010-05-18 | 2011-11-23 | 硅工厂股份有限公司 | Chip-on-glass (COG) type liquid crystal display device |
| CN102270415A (en) * | 2010-06-04 | 2011-12-07 | 刘舸 | Built-in system type TFT-LCD (thin film transistor-liquid crystal display) liquid crystal display module |
| CN103915072A (en) * | 2014-03-24 | 2014-07-09 | 京东方科技集团股份有限公司 | Display system and driving method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5117762B2 (en) * | 2007-05-18 | 2013-01-16 | 株式会社半導体エネルギー研究所 | Liquid crystal display |
| JP2012073388A (en) * | 2010-09-28 | 2012-04-12 | Hitachi Displays Ltd | Liquid crystal display device |
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2015
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101115129A (en) * | 2006-07-28 | 2008-01-30 | 奇美电子股份有限公司 | Plane display having multi-channel data transmission interface and image transmission method |
| CN101882427A (en) * | 2008-12-30 | 2010-11-10 | 东部高科股份有限公司 | Differential signaling serial interface circuit |
| CN201369152Y (en) * | 2009-03-21 | 2009-12-23 | 汕头超声显示器（二厂）有限公司 | RGB backlight type color liquid crystal display component |
| CN102254523A (en) * | 2010-05-18 | 2011-11-23 | 硅工厂股份有限公司 | Chip-on-glass (COG) type liquid crystal display device |
| CN102270415A (en) * | 2010-06-04 | 2011-12-07 | 刘舸 | Built-in system type TFT-LCD (thin film transistor-liquid crystal display) liquid crystal display module |
| CN103915072A (en) * | 2014-03-24 | 2014-07-09 | 京东方科技集团股份有限公司 | Display system and driving method thereof |
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