CN209328494U - The control circuit and display device of display panel - Google Patents

The control circuit and display device of display panel Download PDF

Info

Publication number
CN209328494U
CN209328494U CN201821935964.5U CN201821935964U CN209328494U CN 209328494 U CN209328494 U CN 209328494U CN 201821935964 U CN201821935964 U CN 201821935964U CN 209328494 U CN209328494 U CN 209328494U
Authority
CN
China
Prior art keywords
signal
circuit
backlight
display panel
light source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201821935964.5U
Other languages
Chinese (zh)
Inventor
王智勇
孔意强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Huike Jinyang Technology Co Ltd
Original Assignee
Hefei Huike Jinyang Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei Huike Jinyang Technology Co Ltd filed Critical Hefei Huike Jinyang Technology Co Ltd
Priority to CN201821935964.5U priority Critical patent/CN209328494U/en
Application granted granted Critical
Publication of CN209328494U publication Critical patent/CN209328494U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

A kind of control circuit and display device of display panel；The display panel includes: decoding circuit, backlight drive circuit, light adjusting circuit and video signal transmission circuit；The decoding circuit access simultaneous display signal and vision signal, the decoding circuit are set as generating backlight control signal, switch control signal, serial video signal and difference video signal according to simultaneous display signal and video signal decoding；Backlight drive circuit is set as controlling backlight unlatching according to switch control signal or stop, and the illumination effect of backlight is controlled according to backlight control signal；Video signal transmission circuit is set as transmission serial video signal and difference video signal；The control circuit of display panel in the application can transmit different types of vision signal, and compatibility is strong, low manufacture cost；Solves compatible lower, the bad shortcoming of the picture display effect of display panel of display panel in example technique.

Description

The control circuit and display device of display panel
Technical field
The application belongs to the control circuit and display dress of display panel control technology field more particularly to a kind of display panel It sets.
Background technique
Display panel has obtained extremely wide application in each industrial circle, by taking the competing display panel of electricity as an example, In actual application, user usually watches the picture of game on a display panel, and the video display performance of display panel will The usage experience sense of user can be greatly affected；And in view of the picture of electronic game needs are more clear and completely, For the display panel in other industrial circles, display panel needs more complete video display function and data to connect Function is received, so that the reality that e-sports can fully meet user watches demand.
However display panel in the conventional technology can not access and identify different types of video data, display panel In video data renewal speed it is slower, display panel can not show dynamic image/video；It can not be simultaneously inside display panel Display panel needs to be respectively set a plurality of signal transmission passage to transmit respectively in transmission multiple groups vision signal or traditional technology Multiple groups vision signal, each signal transmission passage transmit one group of vision signal, compatible lower, the letter in display panel respectively Number transmission cost is higher, and internal circuit configuration is more complicated, reduces the usage experience of user, the practical value of display panel is not It is high.
Utility model content
The application provides the control circuit and display device of a kind of display panel, including but not limited to solves: exemplary skill Display panel can not be compatible with the different types of video data of access in art, and the picture display effect of display panel is bad, lack dynamic State sense；And the cost of manufacture of display panel is higher, reduces the visual experience of user.
The application first aspect provides a kind of control circuit of display panel, comprising:
Decoding circuit, the decoding circuit access simultaneous display signal and vision signal, the decoding circuit are set as root Backlight control signal, switch control signal, serial video letter are generated according to the simultaneous display signal and the video signal decoding Number and difference video signal；
Backlight drive circuit, the backlight drive circuit are connected between the decoding circuit and backlight, the backlight Driving circuit is set as controlling the backlight unlatching according to the switch control signal or stop, and according to the backlight Control signal controls the illumination effect of the backlight；And
Video signal transmission circuit, the video signal transmission are electrically connected to the letter of the decoding circuit and display panel Between number input port, the video signal transmission circuit is set as transmitting the serial video signal and differential video letter Number.
In one embodiment, the decoding circuit is also configured to according to the simultaneous display signal and the vision signal Decoding generates first light source and controls signal；
The control circuit further include:
First light source driving circuit, the first light source driving circuit be connected to the decoding circuit and full-color effect lamp it Between, the first light source driving circuit is set as the light source of the full-color effect lamp according to first light source control Signal Regulation Color and brightness.
In one embodiment, the full-color effect lamp includes three-color light source, wherein the three-color light source includes: red light Source, green light source and blue-light source.
In one embodiment, the decoding circuit is also configured to according to the simultaneous display signal and the vision signal Decoding generates second light source and controls signal；
The control circuit further include:
Second light source driving circuit, the second light source driving circuit are connected between the decoding circuit and projecting lamp, The illumination effect of second light source driving circuit projecting lamp according to second light source control Signal Regulation.
In one embodiment, the backlight control signal is pulse-width signal or direct current dim signal, the back Light drive circuit setting are as follows:
When the backlight control signal is the pulse-width control signal, the backlight drive circuit is to the pulse-width controlled Signal carries out pulsewidth modulation and generates pulse-width signal, and the luminous effect of the backlight is adjusted by the pulse-width signal Fruit；
When the backlight control signal is the direct current dim signal, the backlight drive circuit dims the direct current Signal carries out direct current conversion and generates HVDC Modulation signal, passes through the luminous effect of backlight described in the HVDC Modulation Signal Regulation Fruit.
In one embodiment, the video signal transmission circuit includes:
Serial signal transfer interface, the serial signal transfer interface are connected to the decoding circuit and the display panel Serial signal input port between, the serial signal transfer interface is set as transmitting the serial video signal.
In one embodiment, the video signal transmission circuit further include:
Differential signal transmission interface, the differential signal transmission interface are connected to the decoding circuit and the display panel Differential signal input mouth between, the differential signal transmission interface is set as transmitting the difference video signal.
In one embodiment, the video signal transmission circuit further include:
Digitized signal interface, the digitized signal interface are connected to the number of the decoding circuit Yu the display panel Between word signal input port, the digitized signal interface is set as transmitting the serial video signal and difference view Frequency signal.
In one embodiment, the frequency of the simultaneous display signal is 48Hz to 240Hz.
The application second aspect provides a kind of display device, comprising:
The control circuit of display panel as described above；
Display panel, the signal input port of the display panel are connect with the control circuit, the display panel root Image is shown according to serial video signal and difference video signal；
Backlight, the backlight are set to the opposite of the display panel, the back of the backlight and the control circuit The connection of light signal output end mouth, the backlight change illumination effect according to backlight signal
Full-color effect lamp, the full-color effect lamp is connect with the first control signal output end of the control circuit, described Full-color effect lamp changes color and the brightness of light source according to first control signal；And
Projecting lamp, the projecting lamp are connect with the second control signal output end of the control circuit, the projecting lamp root Change illumination effect according to second control signal.
The control circuit of display panel provided by the embodiments of the present application can be compatible with access simultaneous display by decoding circuit Signal and vision signal show state by the video that simultaneous display signal can control the display panel, pass through vision signal energy Enough to export video information to display panel, display panel has access to the image data of large capacity, with real-time display dynamic picture Face；And by video signal transmission circuit can simultaneous transmission serial video signal and difference video signal, the display panel Can the different types of vision signal of compatible transmission, simplify internal circuit configuration；Solves display panel in example technique Compatibility it is not strong, signal transmission cost is higher, the lower shortcoming of user experience
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached Figure.
Fig. 1 is a kind of function structure chart of the control circuit of display panel provided by the embodiments of the present application；
Fig. 2 is the function structure chart of the control circuit of another display panel provided by the embodiments of the present application；
Fig. 3 is a kind of circuit structure diagram of first light source driving circuit provided by the embodiments of the present application；
Fig. 4 is the function structure chart of the control circuit of another display panel provided by the embodiments of the present application；
Fig. 5 is a kind of circuit structure diagram of second light source driving circuit provided by the embodiments of the present application；
Fig. 6 is a kind of circuit structure diagram of backlight drive circuit provided by the embodiments of the present application；
Fig. 7 is the function structure chart of the control circuit of another display panel provided by the embodiments of the present application；
Fig. 8 is a kind of circuit structure diagram of differential signal transmission interface provided by the embodiments of the present application；
Fig. 9 is the function structure chart of the control circuit of another display panel provided by the embodiments of the present application；
Figure 10 is a kind of function structure chart of display device provided by the embodiments of the present application；
Figure 11 is a kind of floor map of display device provided by the embodiments of the present application；
Figure 12 is the floor map of another display device provided by the embodiments of the present application.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, and It is not used in restriction the application.
It should be noted that when circuit is referred to as " being fixed on " or " being set to " another circuit, it can be directly another On a circuit or indirectly on another circuit.When a circuit is known as " being connected to " another circuit, it can be with It is directly or indirectly to be connected on another circuit.The orientation or position of the instructions such as term " on ", "lower", "left", "right" Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to this patent System, for the ordinary skill in the art, can understand the concrete meaning of above-mentioned term as the case may be.Term " first ", " second " are used merely to facilitate description purpose, are not understood to indicate or imply relative importance or implicitly indicate The quantity of technical characteristic.The meaning of " plurality " is two or more, unless otherwise specifically defined.
Fig. 1 shows a kind of modular structure of the control circuit 10 of display panel provided by the embodiments of the present application, in order to just In explanation, part relevant to the embodiment of the present application is illustrated only, as shown in Figure 1, the control circuit 10 includes: decoding circuit 101, backlight drive circuit 102 and video signal transmission circuit 103；Wherein the control circuit 10 can control the display panel Video show state, image data is exported to display panel by control circuit 10, display panel is according to the figure of large capacity Picture data show complete, dynamic image/video, bring good visual experience to user, improve the practical of display panel Value；Therefore the control circuit 10 in the embodiment of the present application can be applied in different types of display panel, such as electric competing aobvious Show panel, compatibility is extremely strong.
In order to embody the concrete operating principle of control circuit 10 in the embodiment of the present application, herein with the competing display panel of electricity For, control circuit 10 is applied in the competing display panel of electricity, the specific embodiment of control circuit 10 is illustrated with this；When So, since this is only a kind of embodiment, the technology limiting for the application control circuit 10 is not constituted, without prejudice to this Shen Please be on the basis of technical characteristic, control circuit 10 can also be applied in each industrial circle by those skilled in the art, not to this It limits.
As shown in Figure 1, decoding circuit 101, the decoding circuit 101 accesses simultaneous display signal A1 and vision signal A2, The decoding circuit 101 is set as generating backlight control letter according to the simultaneous display signal A1 and vision signal A2 decoding Number A3, switch control signal A4, serial video (VBY1) signal A5 and differential video (Low Voltage Differential Signaling, LVDS) signal A6.
Wherein, decoding circuit 101 can be realized signal decoding function, to obtain the circuit control information in signal；Pass through The compatible identification simultaneous display signal A1 and vision signal A2 of decoding circuit 101, wherein simultaneous display signal A1 is controlled comprising video Information enables display panel real-time update image information, supports freesync (dynamic field synchronization), supports HDR (high dynamic pair Than degree), it supports MPRT (dynamic fuzzy response time), display panel has dynamic display effect；Vision signal A2 includes big The image data of amount is exported image data to the competing display panel of electricity by vision signal A2, and the competing display panel of electricity is according to image Data can be shown clear, complete video, brings good visual experience to user；Therefore the competing display of electricity in the present embodiment Panel can access video by 101 tunnel of decoding circuit simultaneously and control information and image data, and compatibility is extremely strong, so that electricity is competing aobvious Show that panel is at stable working condition, and shows high definition, complete picture.
As an alternative embodiment, wherein, the simultaneous display signal A1 and vision signal A2 are by mobile terminal It generates；Optionally, the mobile terminal is tablet computer or mobile phone, the mobile terminal channel radio of decoding circuit 101 and the external world Letter, to realize data interaction function；User can input corresponding operation instruction in mobile terminal, and mobile terminal refers to according to the operation It enables and generates and export simultaneous display signal A1 and vision signal A2, show state to manipulate the picture of the competing display panel of electricity；At this Apply in embodiment, technical staff can directly control the working condition of the competing display panel of electricity by mobile terminal, improve electricity The operability of competing display panel brings good usage experience to technical staff；The control circuit 10 passes through decoding electricity Road 101 and extraneous mobile terminal carry out communication interconnection, enhance the data interaction energy between control circuit 10 and mobile terminal Power, the control circuit 10 have higher flexibility and practical value.
Backlight drive circuit 102, the backlight drive circuit 102 be connected to the decoding circuit 101 and backlight 20 it Between, the backlight drive circuit 102 is set as controlling the unlatching of backlight 20 according to the switch control signal A4 or stop Only, and according to the backlight control signal A3 illumination effect of the backlight 20 is controlled.
Backlight 20 can play luminous effect in the competing display panel of electricity, and the illumination effect of backlight 20 is by direct shadow The visual effect to the competing display panel of electricity is rung, if changing the illumination effect of backlight 20, it will directly influence the competing display surface of electricity The parameters such as the light source color of plate and brightness；In the embodiment of the present application, when decoding circuit 101 by switch control signal A4 export to Backlight drive circuit 102 can make backlight drive circuit 102 be in the shape of work or stopping by switch control signal A4 State, and then manipulate the working condition of backlight 20；When backlight drive circuit 102 is in running order, pass through backlight drive electricity Road 102 could drive backlight 20 to be in luminance, and the competing display panel of electricity could normally show picture；On the contrary, if backlight is driven When dynamic circuit 102 is not in working condition, then backlight 20 can not issue light source, and the competing display panel of electricity is in halted state, Therefore the embodiment of the present application makes backlight 20 shine or not shine by switch control signal；Optionally, the backlight drive Circuit 102 controls the unlatching of backlight 20 according to the level state of switch control signal A4 or stops, illustratively, when control of opening the light When signal A4 processed is the first level state, the backlight 20 issues light source；When switch control signal A4 is second electrical level state When, the backlight 20 does not issue light source；The work of backlight 20 can be changed by the level state of switch control signal A4 State, easy to operate, backlight 20 has extremely strong controllability, improves the control performance of the control circuit 10.
As an alternative embodiment, first level state can may be low level for high level state State, the second electrical level state can may be low level state for high level state, and first level state Interlock with the second electrical level state phase.
In the embodiment of the present application, when decoding circuit 101 exports backlight control signal A3 to backlight drive circuit 103, Wherein backlight control signal A3 includes the control information of backlight 20, if backlight 20 is in running order, the backlight drive Circuit 103 can change the light source color and light-source brightness of backlight 20, the competing display panel energy of electricity according to backlight control signal A3 Enough displays do not have to the picture of color range, bring good visual experience effect to user；Then the backlight drive circuit 103 according to The operation information at family changes the luminance of backlight 20, to meet the visual demand of user, improves backlight 20 and shines shape The operability of state；The circuit modular structure for simplifying control circuit 10 simultaneously, reduces the circuit system of the control circuit 10 Make the backlight drive cost of cost and the competing display panel of electricity, practical value is high.
Video signal transmission circuit 103, the video signal transmission circuit 103 are connected to the decoding circuit 101 and show Between the signal input port for showing panel 30, the video signal transmission circuit 103 is set as transmitting the serial video signal The A5 and difference video signal A6.
In the embodiment of the present application, video signal transmission circuit 103 has signal transfer functions, passes through video signal transmission 103 can the different types of signal of compatible transmission, with realize the signal between decoding circuit 101 and display panel 30 transmit, pole The earth improves the compatibility of control circuit 10；In conjunction with above, when decoding circuit 101 realizes signal decoding function, generate VBY1 signal A5 and LVDS signal A6, VBY1 signal A5 and LVDS signal A6 has unlike signal and transmission rate, wherein VBY1 Signal A5 needs a plurality of signal transmission passage to be transmitted, and image data can be prevented by EMI by VBY1 signal (Electromagnetic Interference, electromagnetic interference) interference, the distortion factor of VBY1 signal are lower；LVDS signal A6 energy Time Delay of the image data in transmission process is enough solved, the transmission rate of LVDS signal is very fast, can save image data Transmission cost；Therefore VBY1 signal A5 and LVDS the signal A6 in the embodiment of the present application includes image data, works as vision signal When transmission circuit 103 exports VBY1 signal A5 and LVDS signal A6 to display panel 30, the signal input part of display panel 30 Mouth can access the image data of large capacity in real time, and display panel 30 shows corresponding dynamic menu according to image data, improve The image quality of electric competing display panel；To which the embodiment of the present application being capable of compatible transmission by video signal transmission circuit 103 Serial video signal A5 and difference video signal A6 improves the signal transmission capabilities of the control circuit 10, the competing display surface of electricity The video signal transmission cost of intralamellar part is lower, and the practical value of the competing display panel of electricity is higher.
In the embodiment of the present application, the control circuit 10 can be real with extraneous mobile terminal by decoding circuit 101 Now communication interconnection, control circuit 10 can be compatible with the different types of image data of access, improve the channel radio of control circuit 10 Letter ability, the competing display panel of electricity has access to the image data of large capacity by simultaneous display signal and vision signal, with display Dynamic picture brings good visual experience to user；Shining for backlight 20 can be manipulated by backlight drive circuit 102 State, reduces the backlight drive cost of backlight 20, and practical value is higher；Video signal transmission circuit 103 can be compatible with biography Defeated multiple groups vision signal, display panel 30 are capable of the image data of real-time update itself, complete, clearly picture, pole is presented The earth reduces the video signal transmission cost of the competing display panel of electricity；Control circuit 10 in the embodiment of the present application has higher Compatibility, efficiently solve in example technique the competing display panel of electricity can not the different types of image data of compatible transmission, electricity The picture dynamic of competing display panel feels poor, and the transmission cost of vision signal is higher, the bad problem of user's visual experience.
As an alternative embodiment, decoding circuit 101 includes decoding chip, illustratively, the decoding chip Model are as follows: MST9U26Q1, wherein the decoding chip communication pin be the decoding circuit 101 signal input part, The signal input part of the decoding circuit 101 is for accessing the simultaneous display signal A1 and the vision signal A2, to realize With the data interaction function of extraneous mobile terminal；The signal output pin of the decoding chip connects the backlight drive circuit 102 With the video signal transmission circuit 103, backlight control signal A3 and switch are controlled by the signal output pin of decoding chip Signal A4 processed is exported to backlight drive circuit 102 and is exported VBY1 signal A5 and LVDS signal A6 to video signal transmission Circuit 103；Decoding chip is multiple functional in the embodiment of the present application, compatible extremely strong, the decoding circuit 101 of signal transmission The decoded function of signal is realized by decoding chip, has ensured that control circuit 10 is at normal, stable working condition, The image data for improving the competing display panel of electricity receives and processing capacity, and the competing display panel of electricity can according to image data Display dynamic, complete picture.
As an alternative embodiment, Fig. 2 shows the controls of another display panel provided by the embodiments of the present application The modular structure of circuit 10 processed, in Fig. 2, the decoding circuit 101 is also configured to according to the simultaneous display signal A1 and institute State vision signal A2 decoding and generate first light source control signal A7, referring to Fig.1 in embodiment, the control circuit 10 in Fig. 2 is also Including first light source driving circuit 201, in which:
First light source driving circuit 201, the first light source driving circuit 201 be connected to the decoding circuit 101 with it is complete Between color effect lamp 40, the first light source driving circuit 201 is set as controlling signal A7 adjusting institute according to the first light source State color and the brightness of the light source of full-color effect lamp 40.
During operating video games, in order to reach better picture vivid effect, the embodiment of the present application passes through user Full-color effect lamp 40 issues versicolor light source, brings better visual experience to user, during increasing electronic game The sense of reality；In the embodiment of the present application, the letter in signal A7 is controlled according to first light source by first light source driving circuit 201 It ceases to control the light source effect of full-color effect lamp 40, flexibility is higher；First light source driving circuit 201 is used as full-color effect lamp 40 Independent control device, that is, the light source control effect of full-color effect lamp 40 is improved, so that the light source of full-color effect lamp 40 converts With higher dynamic sense, the flexibility of control is higher；The driving cost of full-color effect lamp 40 is also reduced simultaneously, facilitates circuit The application cost of the assembling and design of structure, full-color effect lamp 40 is lower, improve the competing display panel of electricity the scope of application and its Practical value.
As an alternative embodiment, the full-color effect lamp 40 includes three-color light source, wherein the three-color light source It include: red light source, green light source and blue-light source.
In the embodiment of the present application, the light source of full-color effect lamp 40 includes three kinds of Essential colour (red, green and blue), The light source for being capable of forming different color ranges by combining these three Essential colour, it is more abundant that full-color effect lamp 40 can issue color Light source brings more true game experiencing to user；Optionally, the full-color effect lamp 40 includes multiple series connections LED (Light Emitting Diode, light emitting diode) lamp can be such that multiple LED light send out by first light source driving circuit 201 The light source of different color ranges out, and different LED uses serial communication, it is only necessary to and power supply line and data line can drive LED simultaneously Lamp is in luminance, reduces the wiring cost of first light source driving circuit 201, the driving cost of the full-color effect lamp 40 It is lower, improve the scope of application of the competing display panel of electricity.
As an alternative embodiment, the first light source driving circuit 201 includes first light source driving chip U1, Wherein, the model HC89F003 of first light source driving chip U1, and then the first light source driving circuit in the embodiment of the present application 201 realize the light source control effect of full-color effect lamp 40 using first light source driving chip U1, and circuit structure is simple；It is exemplary , Fig. 3 shows the particular circuit configurations of first light source driving circuit 201 provided by the embodiments of the present application, described in Fig. 3 The model HC89F003 of first light source driving chip U1；As shown in figure 3, first light source driving circuit 201 includes: first light source Driving chip U1, the first connector U2, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, the tenth resistance R10, eleventh resistor R11, the tenth Two resistance R12, first capacitor C1 and the second capacitor C2.
Wherein, the P0.5 pin of first light source driving chip U1 connects the first end of 3rd resistor R3, and first light source drives core The P0.4 pin of piece U1 connects the first end of the 4th resistance R4, and the second of the 4th resistance R4 terminates the first end of first resistor R1, the The P0.1 pin of one light source driving circuit U1 meets the first end of the 5th resistance R5, the second termination second resistance R2 of the 5th resistance R5 First end, the second end of the second end of 3rd resistor R3, the second end of first resistor R1 and second resistance R2 is connected to altogether One DC power supply V1, optionally, the first DC power supply V1 are+5V DC power supply；The GND of first light source driving chip U1 is managed The first end of foot ground connection, the VDD pin of first light source driving chip U1, the first end of first capacitor C1 and the second capacitor C2 is total The function triggering end to form the first light source driving chip U1 is connect, the function triggering end of the first light source driving chip U1 is used In access function trigger signal, first light source driving chip U1 can be made to realize corresponding circuit function by the function trigger signal Can, first light source driving circuit 201 can be realized light source regulatory function；The second end of first capacitor C1 is grounded, the second capacitor C2 Second end ground connection, the P2 of first light source driving chip U1 .3 pin connects the first end of the 6th resistance R6, and first light source drives core The P2 of piece U1 .4 pin connect the first end of the 7th resistance R7, the P2 of first light source driving chip U1, and .5 pin meets the 8th resistance R8 First end, the P2 of first light source driving chip U1 .6 pin connects the first end of the 9th resistance R9, the second of the 6th resistance R6 The second end at end, the second end of the 7th resistance R7, the second end of the 8th resistance R8 and the 9th resistance R9 is the first light source The signal input part of driving circuit 201, the signal input part of the first light source driving circuit 201 connect the decoding circuit 101, The first light source, which is accessed, by the signal input part of the first light source driving circuit 201 controls signal A7, therefore the application First light source driving circuit 201 in embodiment can be realized the compatibility input and output of signal, and scalability is extremely strong.
The P0.2 pin of the first termination first light source driving chip U1 of tenth resistance R10, the first of twelfth resistor R12 The P0.3 pin of first light source driving chip U1 is terminated, the second end of the tenth resistance R10 and the first end of eleventh resistor R11 are total It is connected to the first signal input part of the first connector U2, the second end of eleventh resistor R11 and the second end of twelfth resistor R12 It is connected to the second signal input terminal of the first connector U2, the adapter tube pin ground connection of the first connector U2, the first connector altogether The signal output end of U2 connects full-color effect lamp 40.
As an alternative embodiment, the model of the first connector U2 are as follows: DIP05PM-2.0MM-HEADER, wherein First connector U2 can be realized the effect of signal transfer, with enable signals to can be real in first light source driving circuit 201 Now quickly transmit and keep biggish power；First light source driving chip U1 is accessed and is identified that first light source controls signal A7, first light source driving chip U1 connect the full-color effect lamp 40 by the first connector U2, therefore the first light source drives Chip U1 can change the illumination effect of full-color effect lamp 40 by the first connector U2, so that the color of the competing display panel of electricity becomes Change and more enrich, user has more preferably actual experience sense during operating video games.
In the embodiment of the present application, first light source driving circuit 201 can be read first by first light source driving chip U1 Information in light source control signal A7, so that the first light source driving circuit 201 can change full-color effect lamp 40 in real time The light source of different color ranges, and then the luminous effect of full-color effect lamp 40 can be presented in the color of light source and brightness, full-color effect lamp 40 Fruit has good controllability, and the competing display panel of electricity has more preferably usage experience；To first in the embodiment of the present application Light source driving circuit 201 has more simplified circuit structure, and scalability is stronger, aobvious in the picture for improving the competing display panel of electricity While showing quality, the circuit structure and its cost of manufacture of control circuit 10 are also simplified, helps to enhance the control circuit 10 compatibility.
As an alternative embodiment, Fig. 4 shows the control of another display panel provided by the embodiments of the present application The modular structure of circuit 10 processed, in Fig. 4, the decoding circuit 101 is also configured to according to the simultaneous display signal A1 and institute State vision signal A2 decoding and generate second light source control signal A8, referring to Fig.1 in embodiment, the control circuit 10 in Fig. 4 is also Including second light source driving circuit 401, in which:
Second light source driving circuit 401, the second light source driving circuit 401 are connected to the decoding circuit 101 and throw Between shot-light 50, the second light source driving circuit 401 controls signal A8 according to the second light source and adjusts the projecting lamp 50 Illumination effect.
In the embodiment of the present application, the light source that projecting lamp 50 is issued can decorate the picture effect of the competing display panel of electricity, Rendering contexts make user that can obtain more life-like picture effect during playing game, and improve user uses body It tests；After decoding circuit 101 carries out signal decoding to simultaneous display signal A1 and vision signal A2, is controlled and believed by second light source Number A8 directly manipulates the working condition of second light source driving circuit 401, so that second light source driving circuit 401 will control information and pass It is handed to projecting lamp 50, to change the light-source brightness and color of projecting lamp 50；Different figures is presented in the picture of the competing display panel of electricity When picture/video, the luminance of projecting lamp 50 can also change as picture changes；To be projected in the embodiment of the present application The light source of lamp 50 can enhance the dynamic sense of the competing display panel picture of electricity, be believed by second light source driving circuit 401 according to video Breath changes the illumination effect of projecting lamp 50, and then the control circuit 10 has the function of more comprehensive light source control, improves The control performance of control circuit 10, the competing display panel of electricity can bring more life-like electronic game visual effect to user.
As an alternative embodiment, Fig. 5 shows second light source driving circuit 401 provided by the embodiments of the present application Particular circuit configurations, in Fig. 5, second light source driving circuit 401 includes: thirteenth resistor R13, the 14th resistance R14, 15 resistance R15, the 16th resistance R16, the 17th resistance R17, the 18th resistance R18, third capacitor C3, the 4th capacitor C4, 5th capacitor C5, the 6th capacitor C6, first switch tube M1, second switch M2, third switching tube M3 and the second connector U3.
Wherein, the first termination the of the first termination the second DC power supply V2, the 14th resistance R14 of thirteenth resistor R13 The first of three DC power supply V3, the 15th resistance R15 terminates the 4th DC power supply V4, straight by the second DC power supply V2, third Stable DC can be transmitted to second light source driving circuit 401 by galvanic electricity source V3 and the 4th DC power supply V4, so that second Each electronic component in light source driving circuit 401 is in stable working condition；Optionally, the second DC power supply V2 For+3.3V DC power supply, the third DC power supply V3 is+5V DC power supply, and the 4th DC power supply V4 is+10V direct current Power supply, the second end of thirteenth resistor R13, the second end of the 14th resistance R14, the second end of the 15th resistance R15, the 18th The first end of resistance R18, the first end of the 4th capacitor C4, the first conducting pole of second switch M2 and third switching tube M3 First conducting is extremely connected to the first conducting pole of first switch tube M1 altogether, and the second conducting pole of first switch tube M1 is grounded, and the 17th The first end of resistance R17 and the first end of third capacitor C3 are connected to the control electrode of first switch tube M1 altogether, and the of third capacitor C3 Two ends ground connection, the second end of the 17th resistance R17 and the first end of the 16th resistance R16 connect to form the second light source driving altogether The signal input part of the signal input part of circuit 401, the second light source driving circuit 401 connects decoding circuit 101, second light source Driving circuit 401 accesses second light source by signal input part and controls signal A8；Signal A8, which is controlled, by second light source changes the The conducting of one switching tube M1 or off state, so that second light source driving circuit 401 realizes the control of 50 luminance of projecting lamp Function processed.
Wherein, the second end, the second end of the 4th capacitor C4 and the control electrode of second switch M2 of the 18th resistance R18 Be connected to the control electrode of third switching tube M3 altogether, the second conducting pole of second switch M2, third switching tube M3 the second conducting pole, The first end of 5th capacitor C5 and the first end of the 6th capacitor C6 are connected to the communication terminal of the second connector U3 altogether, and described The ground terminal of two connector U3 is grounded, and the second connector U3 and projecting lamp 50 communicate to connect, will by the second connector U3 Control information is exported to projecting lamp 50, to change the illumination effect of projecting lamp 50；The second end and the 6th capacitor of 5th capacitor C5 The second end of C6 is connected to ground altogether.
As an alternative embodiment, the model of the second connector U3 are as follows: PH2.0-4AW；The control electricity Road 10 is by carrying out data interaction between the second connector U3 and projecting lamp 50；Believe when decoding circuit 101 controls second light source Number A8 is exported to second light source driving circuit 401, and second light source driving circuit 401 controls signal A8 according to second light source and generates phase The control information answered, and projecting lamp 50 is transmitted to for information is controlled by the second connector U3, to change projecting lamp 50 Illumination effect, promote the diversity and dynamic changeability of picture color in the competing display panel of electricity；Electricity is driven by second light source Road 401 improves the compatibility of control circuit 10 and control flexibility in the embodiment of the present application, reduces the competing display panel of electricity Picture drive cost.
As an alternative embodiment, first switch tube M1 is triode, second switch M2 is metal-oxide-semiconductor, third Switching tube M3 is metal-oxide-semiconductor；In the present embodiment in the circuit structure of second light source driving circuit 401, controlled by second light source Signal A8 can control conducting or the off state of first switch tube M1, second switch M2 and third switching tube M3；When When first switch tube M1, second switch M2 and third switching tube M3 are respectively at different conducting or off state, then Second light source driving circuit 401 can export different control information, can be directly changed by second light source driving circuit 401 The illumination effect of projecting lamp 50；Therefore the second light source driving circuit 401 in the embodiment of the present application has more flexible circuit Structure, for the control response fast speed of projecting lamp 50, the light source for issuing projecting lamp 50 can be improved the competing display surface of electricity The practical value of the color diversity of plate, the control circuit 10 is higher, enhances user and is playing the vision body in game process It tests.
As an alternative embodiment, the backlight control signal A3 is pulse-width signal or direct current light modulation letter Number, the backlight drive circuit 102 is arranged are as follows:
When the backlight control signal A3 is the pulse-width controlled (Pulse Width Modulation, PWM) signal, The backlight drive circuit 102 carries out pulsewidth modulation to the pulse-width control signal and generates pulse-width signal, passes through the arteries and veins Wide modulated signal adjusts the illumination effect of the backlight 20；
When the backlight control signal A3 is the direct current (Direct, direct current) dim signal, the backlight drive electricity Road 102 carries out direct current conversion to the direct current dim signal and generates HVDC Modulation signal, passes through the HVDC Modulation Signal Regulation The illumination effect of the backlight 20.
In the present embodiment, control circuit 10 can using PWM modulation and DC light modulation two ways in any one come Change the illumination effect of backlight 20, the light source color of backlight 20 and brightness have good adjustability, the competing display panel of electricity Picture can fully meet the visual demand of people, improve the compatibility of control circuit 10.
Illustratively, the embodiment of the present application can change back by the backlight control signal A3 generated of decoding circuit 101 The working condition of light drive circuit 10, to adjust the light source parameters in backlight 20；Embodiment referring to Fig.1, if the backlight Driving circuit 102 carries out PWM light modulation to backlight 20 according to pwm signal, then backlight drive circuit 10 is defeated by pulse-width signal Out to backlight 20, since pulse-width signal has different width and frequency, then pulse-width signal has different controls Information processed, therefore the input power of backlight 20 can be changed by pulse-width signal, so that the inputing power of backlight 20 It is changed according to the width of pulse-width signal and frequency, and then adjusts the luminance of backlight 20；If the backlight is driven Dynamic circuit 102 carries out DC light modulation to backlight 20 according to DC dim signal, and backlight drive circuit 102 is by HVDC Modulation signal at this time It exports to backlight 20, since HVDC Modulation signal has different amplitudes, when the amplitude of HVDC Modulation signal changes, Then the input power of backlight 20 can also change, therefore can change backlight in real time by the amplitude of HVDC Modulation signal 20 luminance, control response speed are accelerated, and the luminance of backlight 20 can be accurately controlled；To which the application is implemented Example can generate pwm signal or DC dim signal by decoding circuit 101, with realize to backlight 20 carry out PWM light modulation or Person DC light modulation, backlight 20 can be presented the light source of different color ranges, significantly enhance the flexibility of the control circuit 10, mention The high scope of application of electric competing display panel.
As an alternative embodiment, Fig. 6 shows the tool of backlight drive circuit 102 provided by the embodiments of the present application Body circuit structure, as shown in fig. 6, the backlight drive circuit 102 includes: backlight driving chip U4, the first inductance L1, the second electricity Feel L2, third inductance L3, the 4th inductance L4, the 19th resistance R19, the 20th resistance R20, the 21st resistance R21, the 20th Two resistance R22, the 23rd resistance R23, the 24th resistance R24, the 25th resistance R25, the 26th resistance R26, 27 resistance R27, the 28th resistance R28, the 29th resistance R29, the 30th resistance R30, the 31st resistance R31, 32nd resistance R32, the 33rd resistance R33, the 34th resistance R34, the 35th resistance R35, the 36th resistance R36, the 37th resistance R37, the 38th resistance R38, the 40th resistance R40, the 41st resistance R41, the 42nd electricity Hinder R42, the 43rd resistance R43, the 44th resistance R44, the 7th capacitor C7, the 8th capacitor C8, the 9th capacitor C9, the tenth electricity Hold C10, the 11st capacitor C11, the 12nd capacitor C12, the 13rd capacitor C13, the 14th capacitor C14, the 15th capacitor C15, 16th capacitor C16, the 17th capacitor C17, the 18th capacitor C18, the 19th capacitor C19, the 20th capacitor C20, the 20th One capacitor C21, the 22nd capacitor C22, the 23rd capacitor C23, third connector U5 and the 4th switching tube M4.
Wherein, the first end of the 7th capacitor C7, the first end of the 8th capacitor C8, the first end of the 19th resistance R19, first The first end of inductance L1 and the first end of the second inductance L2 are connected to the 5th DC power supply V5 altogether；Optionally, the 5th direct current Power supply V5 is+2V or+5V DC power supply, can be to the electronics member in backlight drive circuit 102 by the 5th DC power supply V5 Device provides stable DC energy, so that backlight drive circuit 102 is in stable working condition, improves backlight drive circuit 102 for backlight 20 control stability, backlight 20 can issue the light source of different color ranges；The second end of 7th capacitor C7 It is connected to ground GND altogether with the second end of the 8th capacitor C8.
The first end of the 20th resistance R20 is the switch signal input end of backlight drive circuit 102, backlight drive electricity The switch signal input end on road 102 connects the decoding circuit 101, wherein the switching signal of the backlight drive circuit 102 inputs It terminates into the switch control signal, the second end of the 20th resistance R20 and the first end of the 9th capacitor C9 are connected to backlight drive altogether The second end ground connection of the enable pin ENA, the 9th capacitor C9 of dynamic chip U4, when the enable pin ENA of backlight driving chip U4 connects When entering switch control signal, logical switch control signal can control the working condition of backlight chip U4, so that backlight 20 is opened Or stop, illustratively, when switch control signal is the first level state, the backlight 20 accesses power supply to issue phase The light source answered；When switch control signal is second electrical level state, the backlight 20 can not access power supply, backlight 20 In halted state；Therefore the embodiment of the present application has splendid controllability for backlight 20 by backlight driving chip U4.
21st resistance R21 first end access level modulation control signal, the second end of the 21st resistance R21 and The first end of tenth capacitor C10 is connected to the level modulation pin VCC of backlight driving chip U4 altogether, when the electricity of backlight driving chip U4 When Heibei provincial opera tubulation foot VCC accesses level modulation control signal, if impulse level occurs in level modulation control signal, backlight is driven Dynamic chip U4 is at stable working condition, to realize normal circuit function, therefore controls signal by level modulation It can be directly changed the working condition of backlight driving chip U4, easy to operate, the second end ground connection of the tenth capacitor C10.
Wherein, the level modulation control signal can be generated by the modulation control circuit in example technique, not done to this It limits.
The second end of 19th resistance R19 and the first end of the 11st capacitor C11 are connected to the electricity of backlight driving chip U4 altogether Signal input tube foot VIN is pressed, the second end ground connection of the 11st capacitor C11, the first end of the 22nd resistance R22 is backlight drive The direct current of circuit 102 dims input terminal, the direct current light modulation input termination decoding circuit 101 of backlight drive circuit 102, backlight drive The direct current light modulation input terminal of circuit 102 accesses the DC dim signal, can make backlight drive circuit 10 by DC dim signal It realizes the function of DC light modulation, improves the adjustability of the luminance of backlight 20；The second end and the tenth of 22nd resistance R22 The first end of two capacitor C12 is connected to the first analog level input pin ADIM, the 12nd capacitor C12 of backlight driving chip U4 altogether Second end and the 13rd capacitor C13 first end be connected to altogether ground, the 13rd capacitor C13 second termination the 23rd resistance The first end of R23, the level compensation pin CMP of the second termination backlight driving chip U4 of the 23rd resistance R23.
The first end of 24th resistance R24 is the pulsewidth modulation input terminal of backlight drive circuit 102, backlight drive circuit 102 pulsewidth modulation input termination decoding circuit 101, backlight drive circuit 102 access PWM letter by pulsewidth modulation input terminal Number, backlight drive circuit 102 can be driven to realize pulsewidth modulation function by pwm signal, to change the light source colour of backlight 20 Color and brightness, the second end of the 24th resistance R24 and the first end of the 14th capacitor C14 are connected to backlight driving chip U4's altogether The second end of second analog level input pin PWM, the 14th capacitor C14 is grounded；Therefore in the embodiment of the present application, work as decoding Circuit 101 exports DC dim signal or pwm signal to backlight driving chip U4, can make backlight driving chip U4 real respectively The now control function of corresponding backlight 20, compatibility is extremely strong, reduces the control cost of picture in the competing display panel of electricity.
The gate-control signal input pin GATE of the first termination backlight driving chip U4 of 25th resistance R25, the 20th The first end of six resistance R26 and the first end of the 15th capacitor C15 are connected to the chip-select pin CS of backlight driving chip U4 altogether, pass through The chip-select pin CS can control the conducting or shutdown of backlight driving chip U4 internal electric source, and the of the 15th capacitor C15 The first end of two ends and the 27th resistance R27 are connected to ground, the second termination backlight driving chip U4 of the 27th resistance R27 altogether Pressure stabilizing pin RI；The second end of 25th resistance R25 and the first end of the 35th resistance R35 meet the 4th switching tube M4 altogether Control electrode.
The second end of first inductance L1, the second end of the second inductance L2, the first end of third inductance L3, the 4th inductance L4 First end and the first end of the 16th capacitor C16 are connected to the first conducting pole of the 4th switching tube M4 altogether, the 16th capacitor C16's The first end of second the 36th resistance R36 of termination, the first of the second end of the 36th resistance R36, the 39th resistance R39 End, the first end of the 38th resistance R38, the first end of the 37th resistance R37, the second end of the 35th resistance R35 with And the 26th resistance R26 second end be connected to altogether the 4th switching tube M4 second conducting pole, the second of the 39th resistance R39 The second end at end, the second end of the 38th resistance R38 and the 37th resistance R37 is connected to ground altogether.
Second end, the second end of the 4th inductance L4 and the anode of first diode D1 of third inductance L3 is connected to second altogether The anode of diode D2, the cathode of first diode D1, the cathode of the second diode D2, the 43rd resistance R43 first end, First end, the first end of the 19th capacitor C19, the first end and the 21st of the 20th capacitor C20 of 18th capacitor C18 The first end of capacitor C21 is connected to the first input/output terminal of third connector U5, the second end of the 20th capacitor C20, second altogether The second end of 11 capacitor C21, the first end of the 23rd capacitor C23 are connected to the first end of the 22nd capacitor C22 altogether, and second Second end, second end, the second end of the 18th capacitor C18, the 19th capacitor of the 23rd capacitor C23 of 12 capacitor C22 The first end of the second end of C19, the first end of the 44th resistance R44 and the 17th capacitor C17 be connected to altogether ground, the 43rd The second end of the second end of resistance R43, the second end of the 44th resistance R44 and the 17th capacitor C17 is connected to the 20th altogether The over-voltage of the first end of eight resistance R28, the second termination backlight driving chip U4 of the 28th resistance R28 detects pin OVP, leads to Over-voltage detection pin OVP can prevent the builtin voltage amplitude of backlight driving chip U4 excessive, ensure backlight driving chip U4 Always it is at stable working condition；The first end of 29th resistance R29 and the first end of the 30th resistance R30 connect altogether Pin ISET is set in the electric current of backlight driving chip U4, pin ISET, which is arranged, by the electric current of backlight driving chip U4 to change Become the input current size of backlight 20, with the illumination effect of real-time control backlight 20, the second end of the 29th resistance R29 It is connected to ground altogether with the second end of the 30th resistance R30.
The ground pin GND of backlight driving chip U4 is grounded, the 4th dim signal output of the backlight driving chip U4 Pin LED4 connects the first end of the 31st resistance R31, the third dim signal output pin of the backlight driving chip U4 LED3 connects the first end of the 32nd resistance R32, and the second dim signal output pin LED2 of the backlight driving chip U4 connects First dim signal output pin LED1 of the first end of the 33rd resistance R33, the backlight driving chip U4 connects the 30th The first end of four resistance R34s, the second end of the 31st resistance R31 and the first end of the 40th resistance R40 are connected to third company altogether Connect the second input/output terminal of device U5, second end, the second end and the 4th of the 40th resistance R40 of the 32nd resistance R32 The first end of 11 resistance R41 is connected to the third input/output terminal of third connector U5 altogether, and the second of the 33rd resistance R31 The first end at end, the second end of the 41st resistance R41 and the 42nd resistance R42 is connected to the 4th of third connector U5 altogether Input/output terminal, the second end of the 42nd resistance R42 and the second end of the 34th resistance R34 are connected to third connector U5 altogether The 5th input/output terminal, and the third connector U5 is connect with backlight 20, when backlight driving chip U4 generates pulsewidth Modulated signal or HVDC Modulation signal, by the dim signal output pin of backlight driving chip U4, (the first dim signal is defeated Pin LED1, the second dim signal output pin LED2, third dim signal output pin LED3 and the 4th dim signal out Output pin LED4) can output pulse width modulated signal or HVDC Modulation signal, with to backlight 20 illumination effect carry out Pulsewidth modulation and HVDC Modulation, the light source issued by backlight 20 can greatly improve the picture of the competing display panel of electricity Effect, backlight drive circuit 102 realize backlight 20 splendid control effect.
As an alternative embodiment, the model of backlight driving chip U4 are as follows: OB3365C.
As an alternative embodiment, the model of third connector U5 are as follows: DIP7PX1X2.0MM-90.
In the embodiment of the present application, backlight drive circuit 102 realizes PWM tune to backlight 20 by backlight driving chip U4 It closes and DC dimming function, decoding circuit 101 generates different types of backlight control signal A3 according to operation information, work as backlight drive Chip U4 accesses pwm signal or DC dim signal, and backlight driving chip U4 is realized by third connector U5 and backlight 20 Signal communication, to control the luminance of backlight 20, so that the luminance of backlight 20 can be sent out according to operation information Raw corresponding change, improves the video display effect of the competing display panel of electricity, brings good visual experience to user；Therefore this reality Applying backlight drive circuit 102 in example has more simplified circuit structure, has for the luminance of backlight 20 splendid Control effect, reduces the cost of manufacture and design cost of control circuit 10, and the control circuit 10 has stronger compatibility, electricity There is the picture of competing display panel more preferably dynamic to feel.
As an alternative embodiment, Fig. 7 shows the control of another display panel provided by the embodiments of the present application The modular structure of circuit 10 processed, as shown in fig. 7, the video signal transmission circuit 103 includes: serial signal transfer interface 1031 With differential signal transmission interface 1032, in which:
Serial signal transfer interface 1031, the serial signal transfer interface 1031 be connected to the decoding circuit 101 with Between the serial signal input port of the display panel 30, the serial signal transfer interface 1031 is set as transmitting the string Row vision signal A5.
With reference to the embodiment of above-mentioned Fig. 1, since serial video signal A5 includes a large amount of image data, due to decoding circuit The communication interconnection of signal can not be directly realized by between 101 and display panel 30, therefore the embodiment of the present application is passed by serial signal Defeated interface 1031 realizes the signal high-speed transfer process of low error rate, has ensured serial screen signal A5 in transmission process Signal quality, display panel 30 can receive complete image information by serial video signal A5, so that the competing display surface of electricity Plate can present be more clear, complete picture.
As an alternative embodiment, example can be used in the serial signal transfer interface 1031 in the embodiment of the present application Serial transmission connector in property technology is realized, wherein the model of the serial transmission connector are as follows: F1-RE51S-HF, institute Stating serial transmission connector can be realized the quick transfer of serial video signal A5, improve serial video signal A5 in control circuit Transmission rate in 10 avoids the competing display panel of electricity and the error that image is delayed occurs, ensured picture in electric competing display panel Continuity and stability.
Wherein, differential signal transmission interface 1032, the differential signal transmission interface 1032 are connected to the decoding circuit Between 101 and the differential signal input mouth of the display panel 30, the differential signal transmission interface 1032 is set as transmitting The difference video signal A6.
In the embodiment of the present application, the image data of large capacity can be exported to display surface by difference video signal A6 Plate 30 so that the competing display panel of electricity can image data inside real-time update, more dynamic picture, therefore the application is presented Embodiment realizes the single channel transmission of difference video signal A6 by differential signal transmission interface 1032, and the competing display panel of electricity connects Enter difference video signal to realize that widescreen is shown, reduce difference video signal inside control circuit 10 signal transmission at This, is conducive to improve the image quality in the competing display panel of electricity.
As an alternative embodiment, Fig. 8 shows differential signal transmission interface provided by the embodiments of the present application 1032 circuit structure, as shown in figure 8, differential signal transmission interface 1032 includes: the 20th capacitor C24, the 25th capacitor C25, the 45th resistance R45, the 46th resistance R46, the 40th device resistance R47 and the 48th resistance R48.
Wherein, the first end of the 20th capacitor C24 and the first end of the 25th capacitor C25 are differential signal transmission interface The signal input part of 1032 signal input part, the differential signal transmission interface 1032 connects decoding circuit 101, is believed by difference The signal input part of number coffret 1032 has access to difference video signal A6, with realize differential signal transmission interface 1032 with Signal transmitting between decoding circuit 101；Second end, the first end of the 45th resistance R45, the 4th of 20th capacitor C24 First end, the second end of the 25th capacitor C25, the first end and the 40th of the 47th resistance R47 of 16 resistance R46 The first end of eight resistance R48 is the signal output end of differential signal transmission interface 1032, the differential signal transmission interface 1032 Signal output end connect display panel 30, and then difference can be regarded by the signal output end of differential signal transmission interface 1032 Frequency signal A6 is exported to the differential signal input mouth of display panel 30, so that display panel 30 being capable of real-time incoming image number According to improving the image quality in the competing display panel of electricity；The second of 45th resistance R45 terminates the 6th DC power supply V6, optional , the 6th DC power supply V6 is+3.3V DC power supply；The second end of 46th resistance R46 is grounded GND, and the 47th The second end of resistance R47 is grounded, and the second the 7th DC power supply V7 of termination of the 48th resistance R48, optionally, the described 7th is straight Galvanic electricity source V7 is+3.3V DC power supply.
Therefore in the embodiment of the present application, differential signal transmission interface 1032 has more simplified circuit structure, realizes The quick transmission of difference video signal A6, the competing display panel of electricity can show complete video according to difference video signal A6, Transmission cost of the difference video signal in control circuit 10 is significantly reduced, brings good usage experience to user.
As an alternative embodiment, Fig. 9 shows the control of another display panel provided by the embodiments of the present application The modular structure of circuit 10 processed, referring to the embodiment of Fig. 7, the frequency signal circuit 103 in Fig. 9 further includes digitized signal (eDP) interface 1033, in which:
Digitized signal interface 1033, the digitized signal interface 1033 be connected to the decoding circuit 101 with it is described Between the digitized signal input port of display panel 30, the digitized signal interface 1033 is set as transmitting the serial view The frequency signal A5 and difference video signal A6.
In the embodiment of the present application, by digitized signal interface 1033 can simultaneously compliant serial vision signal A5 and difference Sub-video signal A6 greatly improves the compatibility of video signal transmission circuit 103 and signal transmission matter in the present embodiment Amount makes vision signal have more signal transmission forms, signal in control circuit 10 by digitized signal interface 1033 Transmission cost is lower, and display panel 20 can receive the image data of large capacity always, has ensured in electric competing display panel Picture is safe and stablizes, so that the control circuit 10 in the embodiment of the present application has wider array of application range, practical value is more It is high.
As an alternative embodiment, the digitized signal interface 1033 is connected using the number in example technique Device is connect to realize, wherein the model of the digital connector are as follows: F1-RE41S-HF-J-R1500；Pass through the digital connector energy Enough realize that the signal between decoding circuit 101 and display panel 30 transmits, digital connector it is multiple functional, can ensure it is serial The data integrity of vision signal A5 and difference video signal A6 in transmission process improves vision signal in control circuit 10 In efficiency of transmission, the competing display panel of electricity can show more dynamic and clearly picture, so that the control circuit 10 has The wider scope of application.
As an alternative embodiment, the frequency of the simultaneous display signal A1 is 48Hz to 240Hz；And then this Shen Please the decoding circuit 101 in embodiment have access to different types of video information, to realize corresponding decoding function；It is optional , store corresponding decoding algorithm in the decoding circuit 101, realized by the decoding algorithm simultaneous display signal A1 and The decoding operate of vision signal A2, control circuit 10 can be compatible with access multiple types by decoding circuit 101 in the present embodiment Image data, there is stronger communication compatibility, and quick decoding operate can be carried out to vision signal, so that electricity is competing Display panel can the different picture of simultaneous display, the color range variation of picture has higher controllability, and practical value is higher.
Figure 10 shows the modular structure of display device 100 provided by the embodiments of the present application, as shown in Figure 10, display device 100 include: control circuit 10, display panel 1001, backlight 1002, full-color effect lamp 1003 and the projecting lamp of display panel 1004。
Wherein, display panel 1001, the signal input port of the display panel 100 are connect with the control circuit 10, The display panel 10 shows image according to serial video signal and difference video signal.
Backlight 1002, the backlight 1002 are set to the opposite of the display panel 1001, the backlight 1002 with The backlight signal output port of the control circuit 10 connects, and the backlight 1002 changes illumination effect according to backlight signal.
Full-color effect lamp 1003, the first control signal output end of the full-color effect lamp 1003 and the control circuit 10 Connection, the full-color effect lamp 1003 change color and the brightness of light source according to first control signal.
Projecting lamp 1004, the projecting lamp 1004 are connect with the second control signal output end of the control circuit 10, institute It states projecting lamp 1004 and illumination effect is changed according to second control signal.
Since the embodiment of the present application display device 100 is corresponding with control circuit 10 of the above-mentioned Fig. 1 into Fig. 9, this The control mode and its working principle of each circuit module can refer to the reality of Fig. 1 to Fig. 9 in display device 100 in application embodiment Example is applied, will not be described in great detail herein.
Meanwhile in order to better illustrate the space structure of display device 100 in the embodiment of the present application, Figure 11 and Figure 12 are shown The floor map of display device 100 provided by the embodiments of the present application, as is illustrated by figs. 11 and 12, projecting lamp 1004 are located at aobvious Show the pedestal of panel 1001, full-color effect lamp 1003 is located at the back side of display panel 1001, and then the embodiment of the present application combines entirely Color effect lamp 1003 and projecting lamp 1004 can change the picture effect of display device 100.
In the embodiment of the present application, different vision signals is exported to display according to image information by control circuit 10 Panel 1001, so that different pictures can be presented in display device 100, so that the display device 100 in the embodiment of the present application has There is good communication compatibility, can show dynamic menu according to different types of image data, reduce the letter of display device 100 Number transmission cost and its circuit manufacturing cost；Full-color effect lamp 1003 and projecting lamp can be manipulated by control circuit 10 simultaneously 1004 luminance, so that diversified color can be presented in the picture of display device 100, and in display device 100 Picture effect can bring more life-like presence to user, user has sense on the spot in person in playing game process Feel, greatly improves the usage experience of user；Display device 100 in the embodiment of the present application can be widely used in each Industrial circle, the different types of vision signal of access can not be compatible with by efficiently solving display device 100 in example technique, The scalability of internal circuit configuration is lower, and the transmission cost of vision signal is higher, and the image quality of the competing display panel of electricity is bad, The visual experience of user is poor, can not blanket problem.
In conclusion the control circuit 10 of the display panel in the embodiment of the present application can be compatible with the different types of view of access Frequency signal, compatibility and scalability are stronger, and vision signal can realize transmission rapidly and efficiently in control circuit 10, and electricity is competing aobvious Show that panel can show dynamic picture according to image data, improve the picture effect of the competing display panel of electricity, user is playing electricity Have more preferably usage experience, the sense of reality and three-dimensional sense stronger during sub- game；Display panel in the embodiment of the present application The multiple functional of control circuit 10, cost of manufacture it is lower, the development of the competing display technology of electricity in this field will be played extremely Important active promoting function.
The foregoing is merely the alternative embodiments of the application, not to limit the application, all essences in the application Made any modifications, equivalent replacements, and improvements etc., should be included within the scope of protection of this application within mind and principle.

Claims (10)

1. a kind of control circuit of display panel characterized by comprising
Decoding circuit, the decoding circuit access simultaneous display signal and vision signal, the decoding circuit are set as according to institute State simultaneous display signal and the video signal decoding generate backlight control signal, switch control signal, serial video signal with And difference video signal；
Backlight drive circuit, the backlight drive circuit are connected between the decoding circuit and backlight, the backlight drive Circuit is set as controlling the backlight unlatching according to the switch control signal or stop, and according to the backlight control Signal controls the illumination effect of the backlight；And
Video signal transmission circuit, the video signal transmission is electrically connected to the decoding circuit and the signal of display panel is defeated Between inbound port, the video signal transmission circuit is set as transmitting the serial video signal and the difference video signal.
2. the control circuit of display panel according to claim 1, which is characterized in that the decoding circuit is also configured to root First light source, which is generated, according to the simultaneous display signal and the video signal decoding controls signal；
The control circuit further include:
First light source driving circuit, the first light source driving circuit are connected between the decoding circuit and full-color effect lamp, The first light source driving circuit is set as the light source of the full-color effect lamp according to first light source control Signal Regulation Color and brightness.
3. the control circuit of display panel according to claim 2, which is characterized in that the full-color effect lamp includes three colors Light source, wherein the three-color light source includes: red light source, green light source and blue-light source.
4. the control circuit of display panel according to claim 1, which is characterized in that the decoding circuit is also configured to root Second light source, which is generated, according to the simultaneous display signal and the video signal decoding controls signal；
The control circuit further include:
Second light source driving circuit, the second light source driving circuit is connected between the decoding circuit and projecting lamp, described The illumination effect of second light source driving circuit projecting lamp according to second light source control Signal Regulation.
5. the control circuit of display panel according to claim 1, which is characterized in that the backlight control signal is pulsewidth Modulated signal or direct current dim signal, the backlight drive circuit setting are as follows:
When the backlight control signal is the pulse-width control signal, the backlight drive circuit is to the pulse-width control signal It carries out pulsewidth modulation and generates pulse-width signal, the illumination effect of the backlight is adjusted by the pulse-width signal；
When the backlight control signal is the direct current dim signal, the backlight drive circuit is to the direct current dim signal It carries out direct current conversion and generates HVDC Modulation signal, pass through the illumination effect of backlight described in the HVDC Modulation Signal Regulation.
6. the control circuit of display panel according to claim 1, which is characterized in that the video signal transmission circuit packet It includes:
Serial signal transfer interface, the serial signal transfer interface are connected to the string of the decoding circuit Yu the display panel Between row signal input port, the serial signal transfer interface is set as transmitting the serial video signal.
7. the control circuit of display panel according to claim 6, which is characterized in that the video signal transmission circuit is also Include:
Differential signal transmission interface, the differential signal transmission interface are connected to the difference of the decoding circuit Yu the display panel Between sub-signal input port, the differential signal transmission interface is set as transmitting the difference video signal.
8. the control circuit of display panel according to claim 1 or claim 7, which is characterized in that the video signal transmission electricity Road further include:
Digitized signal interface, the digitized signal interface are connected to the digitlization of the decoding circuit Yu the display panel Between signal input port, the digitized signal interface is set as transmitting the serial video signal and differential video letter Number.
9. control circuit according to claim 1, which is characterized in that the frequency of the simultaneous display signal be 48Hz extremely 240Hz。
10. a kind of display device characterized by comprising
Such as the control circuit of the described in any item display panels of claim 1-9；
Display panel, the signal input port of the display panel are connect with the control circuit, and the display panel is according to string Row vision signal and difference video signal show image；
Backlight, the backlight are set to the opposite of the display panel, the backlight letter of the backlight and the control circuit The connection of number output port, the backlight change illumination effect according to backlight signal
Full-color effect lamp, the full-color effect lamp is connect with the first control signal output end of the control circuit, described full-color Effect lamp changes color and the brightness of light source according to first control signal；And
Projecting lamp, the projecting lamp are connect with the second control signal output end of the control circuit, and the projecting lamp is according to Two control signals change illumination effect.
CN201821935964.5U 2018-11-22 2018-11-22 The control circuit and display device of display panel Active CN209328494U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821935964.5U CN209328494U (en) 2018-11-22 2018-11-22 The control circuit and display device of display panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821935964.5U CN209328494U (en) 2018-11-22 2018-11-22 The control circuit and display device of display panel

Publications (1)

Publication Number Publication Date
CN209328494U true CN209328494U (en) 2019-08-30

Family

ID=67711179

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821935964.5U Active CN209328494U (en) 2018-11-22 2018-11-22 The control circuit and display device of display panel

Country Status (1)

Country Link
CN (1) CN209328494U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111883048A (en) * 2020-08-11 2020-11-03 上海天马微电子有限公司 Light emitting diode array substrate driving circuit, method, module, panel and device
US20220061136A1 (en) * 2020-08-19 2022-02-24 Jiangsu Caihuixin Electronic Technology Co., Ltd. Led control system using modulated signal

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111883048A (en) * 2020-08-11 2020-11-03 上海天马微电子有限公司 Light emitting diode array substrate driving circuit, method, module, panel and device
CN111883048B (en) * 2020-08-11 2021-07-30 上海天马微电子有限公司 Light emitting diode array substrate driving circuit, method, module, panel and device
US20220061136A1 (en) * 2020-08-19 2022-02-24 Jiangsu Caihuixin Electronic Technology Co., Ltd. Led control system using modulated signal
US11737185B2 (en) * 2020-08-19 2023-08-22 Jiangsu Caihuixin Electronic Technology Co., Ltd. LED control system using modulated signal

Similar Documents

Publication Publication Date Title
CN209328494U (en) The control circuit and display device of display panel
CN109068113A (en) Projector and its control system based on signal light control Data Transport Protocol
CN110390907A (en) A kind of display screen drive chip, display drive circuit and display panel drive method
CN106658848A (en) LED colorful music landscape light
CN109166538A (en) The control circuit and display device of display panel
CN210443245U (en) Display driving system based on multi-single-wire transmission and lighting equipment
CN210039592U (en) Five-primary-color LED display device
CN216291517U (en) MiniLED lamp
CN202660296U (en) Color-adjusting light-adjusting light-emitting diode (LED) lamp
CN209015694U (en) Gamma voltage driving circuit and display panel
CN221598177U (en) Decoder compatible with multiple multicolor LED driving ICs
CN202918408U (en) A signal converting device and a displaying device using the same
CN207833296U (en) Signal transmission apparatus and system
CN210575030U (en) Double-line cascade LED drive circuit
CN202733593U (en) Dual-remote-control LED (light-emitting diode) dot-matrix flexible light band
CN203167366U (en) Backlight circuit and backlight keyboard
CN206251401U (en) A kind of LED RGBW Color-changing lamps and its control device
CN207049808U (en) A kind of remote controlled lampion
CN206835411U (en) A kind of lighting control circuit and home lighting systems of intelligent television control
CN112017586A (en) Five-primary-color LED display device
CN205391697U (en) Intelligence electron chess board and control system thereof
CN215182989U (en) Digital screen capable of controlling respirable single-point single control without lamp driver
CN220087513U (en) RGB multicolor patch light-emitting diode
CN218416735U (en) Electric control structure of keyboard backlight intelligent lamp strip
CN208210367U (en) A kind of double drive driving circuits of intelligent LED light source

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant