CN207233368U - A kind of Type C interface display circuit and display device - Google Patents
A kind of Type C interface display circuit and display device Download PDFInfo
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- CN207233368U CN207233368U CN201720715072.3U CN201720715072U CN207233368U CN 207233368 U CN207233368 U CN 207233368U CN 201720715072 U CN201720715072 U CN 201720715072U CN 207233368 U CN207233368 U CN 207233368U
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Abstract
It the utility model is related to a kind of Type C interface display circuit and display device, Type C interface display circuits, including Type C interface, control chip, conversion chip, communication module, DC DC modules and the backlight drive module for driving the display backlight；The conversion chip and the communication module are connected with the Type C interface, and the conversion chip and the backlight drive module are connected with the control chip respectively, and the control chip is connected with the display screen；The control chip, the conversion chip, the communication module and the backlight drive module are connected by the DC DC modules with the power end of the Type C interface.The signal that the utility model handles Type C interface by Type C interface display circuit drives display screen, the power end of Type C interface provides the power supply of the backlight drive module of display screen, the transmission of the signal and power supply of display device only needs a Type C interface to complete, user also only needs single line to realize the transmission of signal and power supply, convenient for users to use.
Description
Technical field
The utility model belongs to display technology field, more particularly to a kind of Type-C interfaces display circuit and display device.
Background technology
At present, with display field, such as display, television set, advertisement machine, science and education machine signal source interface it is various
To change, each interface is incompatible, and the broadband that each interface can be supported is also inconsistent, and these interfaces can only transmit data-signal,
Power supply cannot be transmitted, causes terminal user when using these display devices, it is necessary to prepare a plurality of different signal wire and power supply
Line.
On the other hand, Type-C interfaces are as a kind of new interface standard, can with simultaneous transmission data-signal and power supply,
Support positive anti-plug, and can compatible high-end audio and video broadband various at present.With the promotion and popularization of Type-C interfaces, respectively
Large manufacturer has all released the function that corresponding scheme realizes the Type-C interfaces of display device, how to be made by circuit
Type-C interfaces preferably realize that the function of display device becomes an important research topic.
The content of the invention
The purpose of this utility model is to provide a kind of Type-C interfaces display circuit and display device, it is intended to solves tradition
Technical solution present in the problem of how making Type-C interfaces preferably realize the function of display device by circuit.
A kind of Type-C interfaces display circuit, is connected with display screen, including Type-C interfaces, control chip, conversion chip,
The backlight drive module of the backlight of communication module, DC-DC module and the driving display screen；The Type-C interfaces respectively with institute
State conversion chip, the communication module connection, the conversion chip, the backlight drive module respectively with the control chip
Connection, the control chip are connected with the display screen；The control chip, the conversion chip, the communication module and institute
Backlight drive module is stated to be connected with the power end of the Type-C interfaces by the DC-DC module.
Further, the DC-DC module includes reduction voltage circuit and booster circuit, the reduction voltage circuit respectively with the decoding
Chip, the conversion chip, communication module connection, the booster circuit are connected with the backlight drive module.
Further, further include stand-by power supply and change-over switch, the change-over switch respectively with Type-C interfaces and standby
Connected with power supply.
Further, the control chip is TSUMP38CDMT9-1 chips, and the signal that the conversion chip is exported is changed
It is LVDS signals to drive the display screen.
Further, the TX ends of the Type-C interfaces and the RX ends of the Type-C interfaces are all connected with the conversion chip.
Further, the CC1 ends of the Type-C interfaces and the CC2 ends of the Type-C interfaces are all connected with the communication mould
Block.
Further, the conversion chip is FL7202 chips.
Further, the communication module is FL7102 chips.
In addition, additionally provide a kind of display device of Type-C interfaces including above-mentioned Type-C interfaces display circuit and
The display screen being connected with the display circuit of the Type-C interfaces.
The display circuit of above-mentioned Type-C interfaces, the signal of Type-C interfaces is handled by conversion chip, communication module,
And common DP signals are exported, DP signals then are changed into LVDS signals with control chip removes driving display screen, Type-C interfaces
Power end pass through DC-DC module provide display screen backlight drive module power supply, the signal transmission and power supply of display device
Transmission only needs a Type-C interface to complete, and display device also only needs single line both to realize that signal transmission also achieved
Power supply, it is convenient for users to use.
Brief description of the drawings
Fig. 1 is the structure diagram of the Type-C interface display circuits of the utility model embodiment.
Embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining
The utility model, is not used to limit the utility model.
Fig. 1 shows the structure diagram for the Type-C interface display circuits that the utility model preferred embodiment provides, and is
Easy to explanation, part related to the present embodiment is illustrate only, details are as follows：
A kind of 1 display circuit of Type-C interfaces, including Type-C interfaces 1, control chip 4, conversion chip 2, communication module
3rd, DC-DC module 6 and backlight drive module 7,1 display circuit of Type-C interfaces are arranged in display device, and with display screen 5
Connection, the Type-C signals inputted by Type-C interfaces 1 drive display screen 5, and above-mentioned 1 display circuit of Type-C interfaces, is used
Family can complete the signal of display device and the biography of power supply by the transmission line of a Type-C interface 1 and a Type-C
It is defeated.
Wherein, Type-C interfaces 1 are common Type-C female seats, the outside of display device are revealed in, for display device
Signal and power delivery, the Type-C female seats include positive and negative two rows of input port, can be realized with corresponding Type-C male ends
Positive anti-plug, it is easy to use.Type-C interfaces 1 are connected with conversion chip 2, communication module 3 respectively, specifically, Type-C interfaces 1
TX ends and the RX ends of Type-C interfaces 1 are all connected with conversion chip 2, and CC1 ends, CC2 ends, D+ ends, the D- ends of Type-C interfaces 1 are equal
It is connected with communication module 3.In the present embodiment, conversion chip 2 is FL7202 chips, the Type-C that Type-C interfaces 1 are inputted
Signal is converted to general DP signals, and communication module 3 is FL7102 chips, at the same with Type-C output equipments and control chip 4
Communicate, for confirm Type-C output equipments type, display device power management, confirm Type-C connectors it is positive and negative
Insert, hot plug test, timing synchronization etc..
Wherein, DC-DC module 6 is connected with the Vbus ends of Type-C interfaces 1, receives the power supply signal at Vbus ends, DC-DC moulds
Block 6 includes reduction voltage circuit and booster circuit, and reduction voltage circuit is connected with control chip 4, conversion chip 2, communication module 3 respectively, rises
Volt circuit is connected with backlight drive module 7.In the present embodiment, the input voltage at the Vbus ends of Type-C interfaces 1 is 5V, is passed through
The input voltage at Vbus ends is converted into 3.3V by the reduction voltage circuit in DC-DC module 6, and electricity is provided for other moulds chip in the block
Pressure, the voltage needed for backlight drive module 7 is higher, then needs to change the voltage of higher by the booster circuit in DC-DC module 6
To meet needed for the backlight drive module 7 of display screen 5.Wherein, backlight drive module 7 is used for the backlight drive of the display screen 5,
And backlight drive module 7 is connected with control chip 4, worked according to the control signal of control chip 4.Due to each module in circuit
Voltage is all provided by Type-C interfaces 1, and the output power of the Type-C equipment of mainstream is generally relatively low at present, so above-mentioned confession
Electric scheme is suitable for the display device of reduced size.In another preferred embodiment, 1 display circuit of Type-C interfaces further includes standby
With power supply 9 and change-over switch 8, change-over switch 8 is connected with Type-C interfaces 1 and stand-by power supply 9 respectively.The stand-by power supply 9 is 12V
DC power supply, when the output power of Type-C interfaces 1 is insufficient, can make stand-by power supply 9 power, with full by change-over switch 8
Needed for sufficient circuit, circuit is set to work normally, and change-over switch 8 can automatically switch under the control of control chip 4.
4 one end of control chip is connected with conversion chip 2, and the other end is connected with display screen 5, the DP that conversion chip 2 is exported
Signal is converted to LVDS signals, for driving display screen 5.In the present embodiment, control chip 4 is TSUMP38CDMT9-1 cores
Piece.Specifically, Type-C interfaces 1 receive the Type-C signals of Type-C output equipments output, the Type-C signals are by conversion
Chip 2 is converted to DP signals, then is converted to LVDS signals to drive display screen 5, while by communication module 3 by control chip 4
Communicate respectively with Type-C output equipments and control chip 4, judge master slave mode/power supply/positive and negative signal format etc., control chip
4 control backlight drive modules 7 provide backlight for display screen 5, wherein, DC-DC module 6 connects the power end of Type-C interfaces 1,
Required power supply is provided for each module of circuit and 5 backlight of display screen.
Above-mentioned DP is the abbreviation of DisplayPort, and a kind of high-definition digital display interface standard, DP signals are to meet this
The signal of high-definition digital display interface standard, LVDS are the abbreviations of Low-Voltage Differential Signaling, are
Refer to low-voltage differential signal interface.
In conclusion the utility model handles the signal of Type-C interfaces 1 by conversion chip 2, communication module 3, and it is defeated
Go out common DP signals, DP signals then are changed into LVDS signals with control chip 4 removes driving display screen 5, Type-C interfaces 1
Power end provides the power supply of the backlight drive module 7 of display screen 5 by DC-DC module 6, and Type-C interfaces 1 drive display screen 5
Dynamic and display display device signal transmission and power delivery only need a Type-C interface 1 to complete, display device
Also single line is only needed both to realize that signal transmission also achieved power supply., can be compatible each at present and Type-C interfaces 1 support positive anti-plug
The high-end audio and video broadband of kind, can connect the various terminal equipments such as computer, mobile phone.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of Type-C interfaces display circuit, is connected with display screen, it is characterised in that including：Type-C interfaces, control core
Piece, conversion chip, communication module, DC-DC module and the backlight drive module for driving the display backlight；The conversion chip
Be connected with the communication module with the Type-C interfaces, the conversion chip and the backlight drive module respectively with the control
Coremaking piece connects, and the control chip is connected with the display screen；The control chip, the conversion chip, the communication mould
Block and the backlight drive module are connected by the DC-DC module with the power end of the Type-C interfaces.
2. Type-C interfaces display circuit as claimed in claim 1, it is characterised in that the DC-DC module includes decompression electricity
Road and booster circuit, the reduction voltage circuit are connected with the control chip, the conversion chip and the communication module respectively, institute
Booster circuit is stated to be connected with the backlight drive module.
3. Type-C interfaces display circuit as claimed in claim 1, it is characterised in that further include stand-by power supply and conversion is opened
Close, the change-over switch is connected with the Type-C interfaces and stand-by power supply respectively.
4. Type-C interfaces display circuit as claimed in claim 1, it is characterised in that the control chip is
TSUMP38CDMT9-1 chips, are converted to LVDS signals to drive the display screen by the signal that the conversion chip exports.
5. Type-C interfaces display circuit as claimed in claim 1, it is characterised in that the TX ends of the Type-C interfaces and institute
The RX ends for stating Type-C interfaces are all connected with the conversion chip.
6. Type-C interfaces display circuit as claimed in claim 1, it is characterised in that the CC1 ends of the Type-C interfaces and
The CC2 ends of the Type-C interfaces are all connected with the communication module.
7. Type-C interfaces display circuit as claimed in claim 1, it is characterised in that the conversion chip is FL7202 cores
Piece.
8. Type-C interfaces display circuit as claimed in claim 1, it is characterised in that the communication module is FL7102 cores
Piece.
9. a kind of display device of Type-C interfaces, it is characterised in that including described in any one in claim 1 to 8
The display circuit of Type-C interfaces and the display screen being connected with the display circuit of the Type-C interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720715072.3U CN207233368U (en) | 2017-06-19 | 2017-06-19 | A kind of Type C interface display circuit and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720715072.3U CN207233368U (en) | 2017-06-19 | 2017-06-19 | A kind of Type C interface display circuit and display device |
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| Publication Number | Publication Date |
|---|---|
| CN207233368U true CN207233368U (en) | 2018-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720715072.3U Active CN207233368U (en) | 2017-06-19 | 2017-06-19 | A kind of Type C interface display circuit and display device |
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| CN (1) | CN207233368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110418100A (en) * | 2019-08-01 | 2019-11-05 | 明基智能科技（上海）有限公司 | Video conferencing system and its transmission end device |
-
2017
- 2017-06-19 CN CN201720715072.3U patent/CN207233368U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110418100A (en) * | 2019-08-01 | 2019-11-05 | 明基智能科技（上海）有限公司 | Video conferencing system and its transmission end device |
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