CN204516324U - The adjustable DID large-screen lc of a kind of brightness connects spelling display screen - Google Patents
The adjustable DID large-screen lc of a kind of brightness connects spelling display screen Download PDFInfo
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- CN204516324U CN204516324U CN201520103818.6U CN201520103818U CN204516324U CN 204516324 U CN204516324 U CN 204516324U CN 201520103818 U CN201520103818 U CN 201520103818U CN 204516324 U CN204516324 U CN 204516324U
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Abstract
The utility model is that the adjustable DID large-screen lc of a kind of brightness connects spelling display screen, comprise a luminance adjustment module, it is connected with the described display screen of spelling in display screen that connects, described brightness of display screen is regulated, described luminance adjustment module comprises: a manual brightness adjusting unit, it connects the vision signal of spelling display screen and exporting described in receiving, and carries out manual adjustments to described vision signal, to control described brightness of display screen; One ABC unit, connects the vision signal of spelling display screen and exporting, and automatically adjusts to described vision signal, to control described brightness of display screen described in its reception.Manual brightness regulates and combines with ABC by the utility model, and single can adjustment while of brightness of display screen according to physical environment also can regulate brightness according to own situation, hommization more, makes DID large-size screen monitors liquid crystal connect spelling display screen functions more perfect.
Description
Technical field
The utility model relates to a kind of DID large-screen lc and connects spelling display screen, is specifically related to the adjustable DID large-screen lc of a kind of brightness and connects spelling display screen.
Background technology
To have brightness high due to it for DID liquid crystal display, color saturation is good, visual angle is wide, ultra-thin side, reliability is high, the advantage that long service life etc. are outstanding, and being used for being spliced to form DID large-screen lc in a large number connects spelling display device in recent years, and be the mainstream product of splicing large screen high-end product, DID large-screen lc connects spelling display device, because picture is grand, visual impact is strong, has good displaying, demonstration, advertisement, the effect of publicity, and simple installation, by space constraint and at electrical production dispatching control center, Military Command and Control center, city management Police Command Center, traffic administration command centre, industrial flow controls display system, radio and television display and supervisory system, market, hotel, communication information display system, financial instrument information display system, numerous fields such as state enterprise's multimedia videoconference display system are widely used, but along with the difference of applied environment, the eyes of people are different for the brightness demand of DID liquid crystal display, therefore maintain the visual perception that same brightness can affect display effect and beholder always.
In prior art, DID liquid crystal display can automatically adjust to its brightness but cannot carry out manual adjustments, desirability cannot be met, inadequate hommization, or the brightness of some DID liquid crystal displays can only be carried out manual adjustments and can not environmentally automatically regulate, cannot desirability be met equally, not humane.
In view of above-mentioned defect, the utility model creator finally proposes the adjustable DID large-screen lc of a kind of brightness through for a long time research and test and connects and spell display screen and solve the problem.
Utility model content
The purpose of this utility model is, provides the adjustable DID large-screen lc of a kind of brightness to connect spelling display screen, in order to overcome above-mentioned technological deficiency.
For achieving the above object, the technical solution adopted in the utility model is, the adjustable DID large-screen lc of a kind of brightness is provided to connect spelling display screen, comprise a luminance adjustment module, it is connected with the described display screen of spelling in display screen that connects, regulate the brightness of described display screen, described luminance adjustment module comprises:
One manual brightness adjusting unit, connects the vision signal of spelling display screen and exporting, and carries out manual adjustments to described vision signal, to control described brightness of display screen described in its reception;
One ABC unit, connects the described vision signal of spelling display screen and exporting, and automatically adjusts to described vision signal, to control described brightness of display screen described in its reception.
Preferably, described luminance adjustment module also comprises a control module, and it is connected with described manual brightness regulon and described ABC unit respectively, controls the switch of described manual brightness regulon and described ABC unit.
Preferably, connect spelling display screen described in also to comprise:
One video processing module, it receives the described vision signal of outside input, and processes described vision signal and export;
One MCU, it is connected with described video processing module, and the described vision signal receiving its input is gone forward side by side row relax exporting;
One control interface, it is connected with described MCU, receives outside switch controlling signal, controls the operation of described MCU;
One split screen processing module, it receives the described vision signal that described MCU exports, and carries out split screen process to described vision signal and export;
One display screen, it is connected with described split screen processing module, and it receives the described vision signal that described split screen processing module exports, and shows;
One power supply, is connected with each function part, for described function part is powered.
Preferably, described manual adjustments luma unit comprises:
One remote control adjustment portion, in order to emissioning controling signal;
One signal receiving part, it is connected with described control module, in order to receive described control signal, and described control signal is converted into the first brightness processed signal and exports;
One first brightness processed portion, it is connected with described signal receiving part, receives described first brightness processed signal, and reads the video brightness signal in the described vision signal of described MCU output, exports the first conditioning signal and the first drive singal simultaneously;
One first brightness regulation portion, it is connected with described first brightness processed portion and described display screen, receives described first conditioning signal of described first brightness processed portion output and described first drive singal, and regulates described brightness of display screen.
Preferably, described ABC unit comprises:
One lighting apparatus, it is connected with described control module, in order to gather outside luminance signal, and described luminance signal is converted to the second brightness processed signal output;
One second brightness processed portion, it is connected with described lighting apparatus, receive the described second brightness processed signal that described lighting apparatus exports, and read the video brightness signal in the described vision signal of described MCU output, export the second conditioning signal and the second drive singal simultaneously;
One second brightness regulation portion, it is connected with described second brightness processed portion and described display screen, receives described second conditioning signal of described second brightness processed portion output and described second drive singal, and regulates described brightness of display screen.
Preferably, described first brightness regulation portion comprises:
One first brightness regulating circuit, described first brightness regulating circuit receives the first conditioning signal of described first brightness processed portion input, exports the first brightness control signal simultaneously;
One first driving circuit, be connected with described first brightness regulating circuit, receive described first brightness control signal that described first brightness regulating circuit exports, and the first drive singal that described first brightness processed portion exports, and the backlight group in described display screen is controlled, to regulate described brightness of display screen.
Preferably, described first driving circuit is multiple, and it is connected with corresponding described backlight group respectively.
Preferably, described first driving circuit comprises the first transistor, the grid of described the first transistor is connected with corresponding described first brightness processed portion, and the drain electrode of described the first transistor is connected to described first brightness regulating circuit, and the source electrode of described the first transistor is connected to described backlight group.
Preferably, described first brightness regulating circuit comprises transistor seconds, the grid of described transistor seconds is connected with corresponding described first brightness processed portion, and the grounded drain of described transistor seconds, the source electrode of described transistor seconds is connected to the drain electrode of described the first transistor.
Preferably, described first brightness regulation portion is identical with described second brightness regulation portion structure.
The beneficial effects of the utility model are compared with the prior art: manual brightness regulates and combines with ABC by the utility model, not only brightness of display screen can be regulated also can to regulate brightness according to own situation according to physical environment simultaneously, convenient, hommization, makes DID large-size screen monitors liquid crystal connect spelling display screen functions more perfect.Brightness regulated signal simultaneously by regulating brightness regulating circuit to export different frequency, thus realize the brightness regulating each backlight group.Single control system is not simple like this, and circuit structure is simple, with low cost, adopts high frequency modulated Frequency Patterns to regulate simultaneously, effectively can avoid the flicker problem of display screen when low-light level in correlation technique.
Accompanying drawing explanation
Fig. 1 is that the adjustable DID large-screen lc of the utility model brightness connects spelling display screen structure block diagram;
Fig. 2 is the functional block diagram that the adjustable DID large-screen lc of the utility model brightness connects the luminance adjustment module of spelling display screen;
Fig. 3 is that the adjustable DID large-screen lc of the utility model brightness connects the circuit diagram of spelling the first brightness regulation portion in display screen.
Embodiment
Below in conjunction with accompanying drawing, to above-mentioned being described in more detail with other technical characteristic and advantage of the utility model.
Refer to shown in Fig. 1, spell display screen structure block diagram for the adjustable DID large-screen lc of the utility model brightness connects.Described DID large-screen lc connects spelling display screen and comprises video processing module 1, MCU2, control interface 3, split screen processing module 4, display screen 5, luminance adjustment module 6 and power supply 7.
Described video processing module 1 receives the vision signal of outside input, and processes this signal, and the vision signal after process is exported.
Described MCU2 is connected with described video processing module 1, receive the vision signal that described video processing module 1 exports, and the vision signal handled well is exported by vision signal secondary treating, described control interface 3 is connected with described MCU2, receive outside switch controlling signal, in order to the operation of control MCU2.
Described split screen processing module 4 is connected with described MCU2, and receive the vision signal of described MCU2 output and this signal is carried out split screen process, the signal simultaneously handled well by split screen exports.
Described luminance adjustment module 6 is connected with described MCU2, receives the vision signal that described MCU2 exports and the screen luminance signal read wherein simultaneously, and regulates luminance video according to this signal, and exported by the signal regulated.
Described display screen 5 is connected with described luminance adjustment module 6 and described split screen processing module 4, receives the signal of described luminance adjustment module 6 and the output of described split screen processing module 4, and performs described signal.Described power supply 7 is powered to each module.
Refer to shown in Fig. 2, for the adjustable DID large-screen lc of the utility model brightness connects the functional block diagram of the luminance adjustment module of spelling display screen.Wherein said luminance adjustment module 6 comprises manual brightness regulon 62, ABC unit 63 and control module 61.
Described control module 61 is connected with described manual brightness regulon 62 and described ABC unit 63 respectively, control the switch of described manual brightness regulon 62 and described ABC unit 63, run when described manual brightness regulon 62 is different from described ABC unit 63.
Described manual brightness regulon 62 is connected with display screen 5, reads the video brightness signal in the vision signal of described MCU2 output, and carries out manual adjustments to this signal, to control the brightness of described display screen 5.Described manual brightness regulon 62 comprises remote control adjustment portion 621, signal receiving part 622, the first brightness processed portion 623 and the first brightness regulation portion 624.
Described remote control adjustment portion 621 is a telepilot, and user operates described telepilot according to the vision light sensation of self, and described telepilot is launched corresponding control signal and regulated the brightness of described display screen 5.
Described signal receiving part 622 receives the control signal that described telepilot is launched, and this signal is converted into brightness processed signal and exports.
Described first brightness processed portion 623 receives the first brightness processed signal that described signal receiving part 622 exports, and reads the video brightness signal in the vision signal of described MCU2 input, exports the first conditioning signal and the first drive singal simultaneously.
Described first brightness regulation portion 624 is connected with described first brightness processed portion 623 and described display screen 5, receives described first conditioning signal of described first brightness processed portion 623 output and described first drive singal, and regulates the brightness of described display screen 5.
Described ABC unit 63 is connected with described display screen 5, receive the vision signal that described MCU2 exports, and the video brightness signal read wherein automatically adjusts, when ambient brightness is higher simultaneously, in order to make user can see content on screen clearly, increase display screen 5 brightness; When ambient brightness is lower, reduce brightness of display screen, so not only can using electricity wisely, simultaneously in order to avoid affect other people.
Described ABC unit 63 comprises lighting apparatus 631, the second brightness regulation portion 633 of brightness processed portion 632, second.
Described lighting apparatus 631 gathers extraneous light brightness, luminance signal is converted into the discernible second brightness processed signal in described second brightness processed portion 632, and exports.
Described second brightness processed portion 632 receives the second brightness processed signal that described lighting apparatus 631 exports, and reads the video brightness signal in the vision signal of described MCU2 input, exports the second conditioning signal and the second drive singal simultaneously.
Described second brightness regulation portion 633, it is connected with described second brightness processed portion 632 and described display screen 5, receives the second conditioning signal and second drive singal of described second brightness processed portion 632 output, and carries out the brightness regulation of display screen 5.
Refer to shown in Fig. 3, for the adjustable DID large-screen lc of the utility model brightness connects the circuit diagram of spelling the first brightness regulation portion in display screen.
Described first brightness regulation portion 624 comprises the first driving circuit 641 and the first brightness regulating circuit 640, and described first brightness regulating circuit 640 receives the first conditioning signal that described first brightness processed portion 623 inputs, and exports the first brightness control signal simultaneously; Described first driving circuit 641 its be connected with described first brightness regulating circuit 640, described first driving circuit 641 is multiple, the backlight group 642 that each first driving circuit 641 is corresponding with display screen 5 is connected, it receives the first drive singal that described first brightness processed portion 623 exports, to control the light on and off of corresponding backlight group 642, described first driving circuit 641 also receives the first control signal that the first brightness regulating circuit 640 exports simultaneously, and regulate the average working voltage of corresponding backlight group 642, thus control the brightness of described backlight group 642.
Wherein said first driving circuit 641 comprises the first transistor (Q1, Q2, Q3, Q4 as in Fig. 3), the grid of described the first transistor is connected to described first brightness processed portion 623, drain electrode is connected to described first brightness regulating circuit 640, source electrode is connected to described backlight group 642, wherein, each backlight is light emitting diode.
Described first brightness regulating circuit 640 comprises transistor seconds (Q5 as in Fig. 3), and the grid of described transistor seconds is connected to described first brightness processed portion 623, and grounded drain, source electrode is connected to the drain electrode of described the first transistor.
Wherein said first brightness processed portion 623 is identical with described second brightness processed portion 632 structure, and described first brightness regulation portion 624 is identical with described second brightness regulation portion 633 structure.
By the brightness regulated signal regulating brightness regulating circuit to export different frequency, also namely regulate the average working voltage inputing to each backlight group 642, thus realize the brightness regulating each backlight group 642.Wherein, the frequency of brightness regulated signal is higher, and the average working voltage that the unit interval inputs to backlight group 642 is higher, and the brightness of backlight group 642 is higher; Contrary, the frequency of brightness regulated signal is lower, and the average working voltage that the unit interval inputs to backlight group 642 is lower, and the brightness of backlight group 642 is lower.Single control system is not simple like this, and circuit structure is simple, with low cost, adopts high frequency modulated Frequency Patterns to regulate simultaneously, effectively can avoid the flicker problem of display screen 5 when low-light level in correlation technique.
Manual brightness regulates 62 to combine with ABC 63 by the utility model, and single can adjustment while of display screen 5 brightness according to physical environment also can regulate brightness according to own situation, hommization more, makes DID large-size screen monitors liquid crystal connect spelling display screen functions more perfect.Brightness regulated signal simultaneously by regulating brightness regulating circuit to export different frequency, thus realize the brightness regulating each backlight group 642.So not only control simple, and circuit structure is simple, with low cost, adopt high frequency modulated Frequency Patterns to regulate simultaneously, effectively can avoid the flicker problem of display screen 5 when low-light level in correlation technique.
The foregoing is only preferred embodiment of the present utility model, is only illustrative for the utility model, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes in the spirit and scope that the utility model claim limits to it, amendment, even equivalence, but all will fall in protection domain of the present utility model.
Claims (10)
1. the adjustable DID large-screen lc of brightness connects a spelling display screen, comprises a luminance adjustment module, and it is connected with the described display screen of spelling in display screen that connects, and regulate the brightness of described display screen, it is characterized in that, described luminance adjustment module comprises:
One manual brightness adjusting unit, connects the vision signal of spelling display screen and exporting, and carries out manual adjustments to described vision signal, to control described brightness of display screen described in its reception;
One ABC unit, connects the described vision signal of spelling display screen and exporting, and automatically adjusts to described vision signal, to control described brightness of display screen described in its reception.
2. the adjustable DID large-screen lc of brightness according to claim 1 connects spelling display screen, it is characterized in that, described luminance adjustment module also comprises a control module, it is connected with described manual brightness regulon and described ABC unit respectively, controls the switch of described manual brightness regulon and described ABC unit.
3. the adjustable DID large-screen lc of brightness according to claim 2 connects spelling display screen, it is characterized in that, described in connect spell display screen also comprise:
One video processing module, it receives the described vision signal of outside input, and processes described vision signal and export;
One MCU, it is connected with described video processing module, and the described vision signal receiving its input is gone forward side by side row relax exporting;
One control interface, it is connected with described MCU, receives outside switch controlling signal, controls the operation of described MCU;
One split screen processing module, it receives the described vision signal that described MCU exports, and carries out split screen process to described vision signal and export;
One display screen, it is connected with described split screen processing module, and it receives the described vision signal that described split screen processing module exports, and shows;
One power supply, is connected with each function part, is its power supply.
4. the adjustable DID large-screen lc of brightness according to claim 3 connects spelling display screen, it is characterized in that, described manual adjustments luma unit comprises:
One remote control adjustment portion, in order to emissioning controling signal;
One signal receiving part, it is connected with described control module, in order to receive described control signal, and described control signal is converted into the first brightness processed signal and exports;
One first brightness processed portion, it is connected with described signal receiving part, receives described first brightness processed signal and reads the video brightness signal in the described vision signal of described MCU output, exporting the first conditioning signal and the first drive singal simultaneously;
One first brightness regulation portion, it is connected with described first brightness processed portion and described display screen, receives described first conditioning signal of described first brightness processed portion output and described first drive singal, and regulates described brightness of display screen.
5. the adjustable DID large-screen lc of brightness according to claim 4 connects spelling display screen, it is characterized in that, described ABC unit comprises:
One lighting apparatus, it is connected with described control module, in order to gather outside luminance signal, and described luminance signal is converted to the second brightness processed signal output;
One second brightness processed portion, it is connected with described lighting apparatus, receive the described second brightness processed signal that described lighting apparatus exports, and read the video brightness signal in the described vision signal of described MCU output, export the second conditioning signal and the second drive singal simultaneously;
One second brightness regulation portion, it is connected with described second brightness processed portion and described display screen, receives described second conditioning signal of described second brightness processed portion output and described second drive singal, and regulates described brightness of display screen.
6. the adjustable DID large-screen lc of brightness according to claim 4 connects spelling display screen, it is characterized in that, described first brightness regulation portion comprises:
One first brightness regulating circuit, described first brightness regulating circuit receives the first conditioning signal of described first brightness processed portion input, exports the first brightness control signal simultaneously;
One first driving circuit, be connected with described first brightness regulating circuit, receive described first brightness control signal that described first brightness regulating circuit exports, and the first drive singal that described first brightness processed portion exports, and the backlight group in described display screen is controlled, to regulate described brightness of display screen.
7. the adjustable DID large-screen lc of brightness according to claim 6 connects spelling display screen, it is characterized in that, described first driving circuit is multiple, and it is connected with corresponding described backlight group respectively.
8. the adjustable DID large-screen lc of the brightness according to claim 6 or 7 connects spelling display screen, it is characterized in that, described first driving circuit comprises the first transistor, the grid of described the first transistor is connected with corresponding described first brightness processed portion, the drain electrode of described the first transistor is connected to described first brightness regulating circuit, and the source electrode of described the first transistor is connected to described backlight group.
9. the adjustable DID large-screen lc of brightness according to claim 8 connects spelling display screen, it is characterized in that, described first brightness regulating circuit comprises transistor seconds, the grid of described transistor seconds is connected with corresponding described first brightness processed portion, the grounded drain of described transistor seconds, the source electrode of described transistor seconds is connected to the drain electrode of described the first transistor.
10. the adjustable DID large-screen lc of brightness according to claim 5 connects spelling display screen, it is characterized in that, described first brightness regulation portion is identical with described second brightness regulation portion structure.
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| CN201520103818.6U CN204516324U (en) | 2015-02-12 | 2015-02-12 | The adjustable DID large-screen lc of a kind of brightness connects spelling display screen |
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| CN201520103818.6U CN204516324U (en) | 2015-02-12 | 2015-02-12 | The adjustable DID large-screen lc of a kind of brightness connects spelling display screen |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106097987A (en) * | 2016-08-29 | 2016-11-09 | 合肥惠科金扬科技有限公司 | A kind of LCD backlight module processing method with brightness impression regulation |
| CN106657842A (en) * | 2017-01-06 | 2017-05-10 | 北京康力优蓝机器人科技有限公司 | Double-screen display method and system |
| CN108320714A (en) * | 2017-12-30 | 2018-07-24 | 广东创捷智能科技有限公司 | A kind of brightness uniformity display methods and device applied to liquid crystal-spliced screen |
| CN109036296A (en) * | 2018-09-03 | 2018-12-18 | Oppo广东移动通信有限公司 | Screen backlight brightness adjusting method, device, terminal and storage medium |
-
2015
- 2015-02-12 CN CN201520103818.6U patent/CN204516324U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106097987A (en) * | 2016-08-29 | 2016-11-09 | 合肥惠科金扬科技有限公司 | A kind of LCD backlight module processing method with brightness impression regulation |
| CN106657842A (en) * | 2017-01-06 | 2017-05-10 | 北京康力优蓝机器人科技有限公司 | Double-screen display method and system |
| CN106657842B (en) * | 2017-01-06 | 2019-08-20 | 北京康力优蓝机器人科技有限公司 | Double-screen display method and system |
| CN108320714A (en) * | 2017-12-30 | 2018-07-24 | 广东创捷智能科技有限公司 | A kind of brightness uniformity display methods and device applied to liquid crystal-spliced screen |
| CN109036296A (en) * | 2018-09-03 | 2018-12-18 | Oppo广东移动通信有限公司 | Screen backlight brightness adjusting method, device, terminal and storage medium |
| CN109036296B (en) * | 2018-09-03 | 2020-12-04 | Oppo广东移动通信有限公司 | Screen backlight brightness adjusting method and device, terminal and storage medium |
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