CN109697968A - A kind of system of compatible various display screens - Google Patents
A kind of system of compatible various display screens Download PDFInfo
- Publication number
- CN109697968A CN109697968A CN201811522519.0A CN201811522519A CN109697968A CN 109697968 A CN109697968 A CN 109697968A CN 201811522519 A CN201811522519 A CN 201811522519A CN 109697968 A CN109697968 A CN 109697968A
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- Prior art keywords
- display screen
- circuit
- screen interface
- signal
- interface
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G5/006—Details of the interface to the display terminal
Abstract
This application discloses a kind of systems of compatible various display screens, are arranged on Medical Devices, comprising: screen signal power supply, screen backlight power supply, master chip, connection circuit, the first display screen interface and second display screen interface；Connection circuit includes that data connection sub-circuit, signal power source connection sub-circuit with backlight electric power connect sub-circuit；Data connection sub-circuit input terminal connects master chip, and output end connects the first display screen interface and second display screen interface；Signal power source connexon circuit input end connects screen signal power supply, and output end connects the first display screen interface and second display screen interface；Backlight electric power connexon circuit input end connects screen backlight power supply, and output end connects the first display screen interface and second display screen interface；First display screen interface and second display screen interface are connected in parallel on connection circuit, to connect different types of display screen.The application can allow Medical Devices to be compatible with various display screens.
Description
Technical field
This application involves electronic technology field more particularly to a kind of systems of compatible various display screens.
Background technique
As the improvement of people's living standards, Medical Devices need to configure various display screens, to meet a variety of need of sufferer
It asks.
The common liquid crystal display of LCD interface have LVDS screen (Low-Voltage Differential Signaling,
Low-voltage differential signal), MIPI (Mobile Industry Processor Interface, mobile industry processor interface),
EDP (enhanced display port, embedded digital audio video transmission interface).The demand of the various display screens of Hospital Statistics
Amount, measures according to demand, determines the quantity purchase of the corresponding Medical Devices of every kind of display screen.
However, hospital can only buy the identical Medical Devices of function, because, the incompatible various display screens of Medical Devices.
Summary of the invention
To solve the above-mentioned problems, present applicant proposes a kind of systems of compatible various display screens, are arranged in Medical Devices
On, comprising: screen signal power supply, screen backlight power supply, master chip, connection circuit, the first display screen interface and second display screen
Interface；
The connection circuit includes data connection sub-circuit, signal power source connection sub-circuit and backlight electric power connexon electricity
Road；
The input terminal of the data connection sub-circuit connects the master chip, and output end connects first display screen interface
With the second display screen interface；
The input terminal of the signal power source connection sub-circuit connects the screen signal power supply, output end connection described first
Display screen interface and the second display screen interface；
The input terminal of the backlight electric power connection sub-circuit connects the screen backlight power supply, output end connection described first
Display screen interface and the second display screen interface；
First display screen interface and the second display screen interface are connected in parallel on the connection circuit, will pass through
The first display screen interface or the second display screen interface are stated, corresponding display screen is accessed；
Wherein, the corresponding display screen of first display screen interface display screen corresponding with the second display screen interface is
Different types of display screen.
In one example, first display screen interface connects mobile industry processor interface MIPI screen, low voltage difference
Any one in signal LVDS screen, embedded digital audio video transmission interface EDP screen；
The second display screen interface connects the MIPI screen, the LVDS screen, any one in the EDP screen.
In one example, the system also includes: third display screen interface；
The third display screen interface connects the data connection sub-circuit, the signal power source connects sub-circuit and described
Backlight electric power connects the output end of sub-circuit, and in parallel with first display screen interface and the second display screen interface.
In one example, what first display screen interface connected is the MIPI screen that number of pins is 34；Described second is aobvious
What display screen interface connected is the MIPI screen that number of pins is 39；What the third display screen interface connected is that number of pins is 51
MIPI screen.
In one example, the system also includes: signal conversion circuit；
The signal conversion circuit input terminal connects the port LVDS of the master chip, and output end connects the connection electricity
Road, for the LVDS signal from the master chip to be converted to MIPI signal.
In one example, the signal conversion circuit includes: bridging chip, voltage regulator circuit and start-oscillation circuit；
The bridging chip connects the master chip, and the connection data connection sub-circuit；
The start-oscillation circuit connects the bridging chip；
The voltage regulator circuit connects the power supply on the bridging chip.
In one example, the bridging chip is used to receive the LVDS signal that the master chip is sent；It will receive
LVDS signal be converted into the MIPI signal, and send the data connection sub-circuit for the MIPI signal.
In one example, first display screen interface or the second display screen interface or the third display screen interface
It include: multiple data signal pins, multiple backlight electric power signal pins and multiple power supply signal pins；
The multiple data signal pin is connected in parallel on the data connection sub-circuit；
The multiple backlight electric power signal pins are connected in parallel on the backlight electric power connection sub-circuit；
The multiple power supply signal pins in parallel is on signal power source connection sub-circuit.
In one example, the system also includes: protection circuit；
The protection circuit input end connects the master chip, and output end connects the data connection sub-circuit；
The protection circuit includes: one or more filters；
The filter is for filtering harmonic current contained by electric current in the protection circuit.
Technical solution provided by the present application on Medical Devices by being provided with various types of display screen interfaces, so that doctor
Various types of display screens can be compatible with by treating equipment.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of the system of compatible various display screens provided by the embodiments of the present application；
Fig. 2 is a kind of structural schematic diagram of signal conversion circuit provided by the embodiments of the present application.
Specific embodiment
For the clearer general idea for illustrating the application, carry out in an illustrative manner with reference to the accompanying drawings of the specification detailed
It describes in detail bright.
The embodiment of the present application discloses a kind of system of compatible various display screens, as shown in Figure 1, screen signal power supply 101
It is directly connected to screen backlight power supply 102 with circuit 104 is connect；Master chip 103 by protection circuit 107 with connect circuit 104
Connection；First display screen interface 105, second display screen interface 106 and third display screen interface 109 with to connect circuit 104 direct
Connection.
First display screen interface 105, second display screen interface 106 and the corresponding display screen of third display screen interface 109
Type is different, for example, the first display screen interface, second display screen interface and third display screen interface are respectively connected to liquid crystal
Display screen, plasma panel and cathode-ray display screen, to realize the purpose of compatible various display screens.
In the medical field, most Medical Devices use liquid crystal display, therefore, in the embodiment of the present application, the first display screen
Interface connects MIPI screen, LVDS screen, any one in EDP screen；Second display screen interface connects MIPI screen, LVDS screen, EDP screen
In any one；Third display screen interface connects MIPI screen, LVDS screen, any one in EDP screen.For example, the first display
Shield interface and connect LVDS screen, second display screen connects MIPI screen in succession, and third display screen interface 109 connects EDP screen.
In addition, different display screens further include that screen type is identical, but the situation that screen construction is different.For example, the first display
Shield the MIPI screen that interface connection number of pins is 34, second display screen interface connects the MIPI screen that number of pins is 39, and third is aobvious
Display screen interface connects the MIPI screen that number of pins is 51.
As shown in Figure 1, the embodiment of the present application provides a kind of screen signal power supply 101, the base stage of triode passes through resistance
R1 connection power supply, emitter ground connection, collector pass through resistance R3 connection MOS (metal-oxide-semiconductor, metal-
Oxidc-Semiconductor) tube grid.Metal-oxide-semiconductor grid connects power supply with the capacitor C1 parallel circuit formed by a resistance R2
VCC-IO, metal-oxide-semiconductor source electrode are directly connected to power supply VCC-IO, and metal-oxide-semiconductor drain electrode passes through capacitor C2 and two-way transient supression diode group
At parallel circuit connect power supply VCC-LED, and be grounded by capacitor C3.Power supply VCC-LED connection signal power supply connexon electricity
Road.Power supply LCD-1V8 is grounded by the first display screen of resistance R4 connection street corner 105 by capacitor C4.
As shown in Figure 1, the embodiment of the present application provides a kind of screen backlight power supply 102, power LED-VCC passes through resistance
R10 is grounded and connects the end power supply chip GND, while being directly connected to the end power supply chip EN.The end power supply chip SW is separately connected band iron
Coil L, diode and the resistance R5 of core.Coil L connection power supply BL_5V, and be grounded by capacitor C11.Resistance R5 passes through capacitor
C5 ground connection, diode connects backlight electric power and connects sub-circuit, and is grounded by capacitor C6.The end power supply chip FB is connected by resistance R9
Backlight electric power connection sub-circuit is connect, and is grounded by resistance R8.Displaying screen controller connects backlight electricity by resistance R6, R7, R9
Source connects sub-circuit, and is grounded by capacitor C7.
As shown in Figure 1, the embodiment of the present application provides a kind of protection circuit 107, the output end of master chip 103 connects protection
The input terminal of circuit 107, signal code are divided into three tunnels after entering protection circuit, pass through three filters respectively.In signal code
Containing harmonic current, harmonic current will cause voltage jump to cause equipment damage and malfunction.Three road electric currents pass through respectively
Filter, which can effectively weaken, contains harmonic current in signal code, play a protective role to display screen.
In order to which the parallel relationship of the first display screen interface and second display screen interface is better described, below with the first display
Screen interface and second display screen interface are to be illustrated in case where MIPI.The corresponding MIPI screen type of first display screen interface
Number it is the MIPI screen that number of pins is 39, is denoted as 39pin MIPI screen；The corresponding MIPI screen type number of second display screen interface is to draw
The MIPI screen that foot number is 51, is denoted as 51pin MIPI screen.51pin MIPI screen and 39pin MIPI screen belong to MIPI screen, because
Both this need the function of signal wire of connecting and quantity be all it is identical, only the pin of the corresponding interface of signal wire is different.
In 39pin MIPI screen, 10 signal lines for needing to connect respectively correspond the first display screen interface 8,9,11,
12,14,15,17,18,20, No. 21 pins；And in 51pin MIPI screen, 10 signal lines for needing to connect respectively correspond
18,19,21,22,24,25,27,28,30, No. 31 pins of two display screen interfaces.Wherein, No. 8 pins of the first display screen interface
The function of corresponding signal wire signal wire corresponding with No. 18 pins of second display screen interface is identical, by the first display screen interface 8
No. 18 pins in parallel access connection circuits of number pin and second display screen interface, then respectively by the identical pins in parallel of other function
Get up, forms data connection sub-circuit.
Display screen also needs to connect screen signal power supply, screen backlight power supply.In 39pin MIPI screen, need to connect 3
Screen signal power supply line and 5 screen backlight power supply lines, respectively correspond the first display screen interface 2,3, No. 4 pins and 27,
28,29,31, No. 32 pins；And in 51pin MIPI screen, need to connect 4 screen signal power supply lines and 6 screen back photoelectricity
Source line respectively corresponds 4,5,6, No. 7 pins and 9,10,11,12,14, No. 15 pins of second display screen interface.Respectively by first
Display screen interface and the corresponding screen signal power supply line of second display screen, screen backlight power supply line simultaneously connect, and respectively obtain
Signal power source connects sub-circuit and connects sub-circuit with backlight electric power, to complete the first display screen interface and second display screen interface
Parallel connection.
When there are third display screen interface, the corresponding MIPI screen type number of third display screen interface is that number of pins is 34
MIPI screen is denoted as 34pin MIPI screen.34pin MIPI screen needs to connect 10 signal lines, corresponding third display screen interface
18,19,21,22,24,25,27,28,30, No. 31 pins, above-mentioned pin and the first display screen interface and second display screen are connect
The corresponding pins in parallel of signal wire obtains data connection sub-circuit in mouthful.34pin MIPI screen needs to connect 2 screen signal electricity
Source line and 6 screen backlight power supply lines, respectively correspond third display screen interface 1, No. 2 pin and 4,5,31,32,33, No. 34
Pin.By signal power supply line and screen backlight power supply line pair in above-mentioned pin and the first display screen interface and second display screen interface
The pins in parallel answered obtains respectively obtaining signal power source connection sub-circuit with backlight electric power and connects sub-circuit.
First display screen interface, second display screen interface, third display screen interface and MIPI screen corresponding relationship be not only
One determination, it can also be that the first display screen interface connects 34pin MIPI screen；Second display screen interface connects 39pin MIPI
Screen；Third display screen interface connects 51pin MIPI screen.
As shown in Figure 1, the pin number of master chip is limited, when occupied for connecting the pin of MIPI screen on master chip
Afterwards, the LVDS signal that master chip issues is converted into MIPI signal using conversion circuit 108, passes through protection circuit and connection circuit
It sends MIPI signal in corresponding target display screen interface, so that the LVDS interface of master chip can be compatible with MIPI screen.
Wherein, target display screen interface can be the first display screen interface 105, second display screen interface 106 and third display screen interface
Any one in 109；Attachable MIPI screen includes: 34pin screen, 39pin screen and 51pin in target display screen interface
Any one in MIPI screen.
As shown in Fig. 2, the embodiment of the present application provide a kind of signal conversion circuit include: bridging chip, voltage regulator circuit and
Start-oscillation circuit.Bridging chip model LT8918L connects master chips by No. 5 to No. 16 pins and No. 18 to No. 27 pins, and 34
Number to No. 43 pins connection protection circuits 107.The multiple capacitors of voltage regulator circuit compose in parallel, to guarantee bridging chip output electricity
The stability of pressure.No. 31 and No. 32 pins of the connection bridging chip of start-oscillation circuit.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system reality
For applying example, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring to embodiment of the method
Part explanation.
The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art
For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal
Replacement, improvement etc., should be included within the scope of the claims of this application.
Claims (8)
1. a kind of system of compatible various display screens is arranged on Medical Devices characterized by comprising screen signal power supply,
Screen backlight power supply, master chip, connection circuit, the first display screen interface and second display screen interface；
The connection circuit includes that data connection sub-circuit, signal power source connection sub-circuit with backlight electric power connect sub-circuit；
The input terminal of the data connection sub-circuit connects the master chip, and output end connects first display screen interface and institute
State second display screen interface；
The input terminal of the signal power source connection sub-circuit connects the screen signal power supply, output end connection first display
Shield interface and the second display screen interface；
The input terminal of the backlight electric power connection sub-circuit connects the screen backlight power supply, output end connection first display
Shield interface and the second display screen interface；
First display screen interface and the second display screen interface are connected in parallel on the connection circuit, will pass through described
One display screen interface or the second display screen interface, access corresponding display screen；
Wherein, the corresponding display screen of first display screen interface display screen corresponding from the second display screen interface is different
The display screen of type.
2. system according to claim 1, which is characterized in that
The first display screen interface connection mobile industry processor interface MIPI screen, low-voltage differential signal LVDS screen, insertion
Any one in formula digital audio video transmission interface EDP screen；
The second display screen interface connects the MIPI screen, the LVDS screen, any one in the EDP screen.
3. system according to claim 1, which is characterized in that the system also includes: third display screen interface；
The third display screen interface connects the data connection sub-circuit, signal power source connection sub-circuit and the backlight
Power supply connects the output end of sub-circuit, and in parallel with first display screen interface and the second display screen interface.
4. system according to claim 3, which is characterized in that
What first display screen interface connected is the MIPI screen that number of pins is 34；Second display screen interface connection is
The MIPI screen that number of pins is 39；What the third display screen interface connected is the MIPI screen that number of pins is 51.
5. system according to claim 3, which is characterized in that the system also includes: signal conversion circuit；
The signal conversion circuit input terminal connects the port LVDS of the master chip, and output end connects the connection circuit, uses
In the LVDS signal from the master chip is converted to MIPI signal.
6. system according to claim 5, which is characterized in that
The signal conversion circuit includes: bridging chip, voltage regulator circuit and start-oscillation circuit；
The bridging chip connects the master chip, and the connection data connection sub-circuit；
The start-oscillation circuit connects the bridging chip；
The voltage regulator circuit connects the power supply on the bridging chip；
The bridging chip is used to receive the LVDS signal that the master chip is sent；It converts the LVDS signal received to
The MIPI signal, and the data connection sub-circuit is sent by the MIPI signal.
7. system according to claim 3, which is characterized in that
First display screen interface or the second display screen interface or the third display screen interface include: multiple data letters
Number pin, multiple backlight electric power signal pins and multiple power supply signal pins；
The multiple data signal pin is connected in parallel on the data connection sub-circuit；
The multiple backlight electric power signal pins are connected in parallel on the backlight electric power connection sub-circuit；
The multiple power supply signal pins in parallel is on signal power source connection sub-circuit.
8. system according to claim 1, which is characterized in that the system also includes: protection circuit；
The protection circuit input end connects the master chip, and output end connects the data connection sub-circuit；
The protection circuit includes: one or more filters；
The filter is for filtering harmonic current contained by electric current in the protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811522519.0A CN109697968A (en) | 2018-12-13 | 2018-12-13 | A kind of system of compatible various display screens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811522519.0A CN109697968A (en) | 2018-12-13 | 2018-12-13 | A kind of system of compatible various display screens |
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| Publication Number | Publication Date |
|---|---|
| CN109697968A true CN109697968A (en) | 2019-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811522519.0A Pending CN109697968A (en) | 2018-12-13 | 2018-12-13 | A kind of system of compatible various display screens |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113160759A (en) * | 2021-03-31 | 2021-07-23 | 智道网联科技(北京)有限公司 | Display screen circuit selection method, intelligent networking equipment mainboard and electronic equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201986081U (en) * | 2011-02-22 | 2011-09-21 | 青岛海信电器股份有限公司 | 3-dimensional signal processing module and television |
| CN204650515U (en) * | 2015-05-25 | 2015-09-16 | 上海卓易科技股份有限公司 | The compatible circuit of a kind of MIPI screen and LVDS screen |
| CN207425034U (en) * | 2017-11-24 | 2018-05-29 | 深圳市信步科技有限公司 | The intelligent POS mainboards of double LVDS display interfaces |
-
2018
- 2018-12-13 CN CN201811522519.0A patent/CN109697968A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201986081U (en) * | 2011-02-22 | 2011-09-21 | 青岛海信电器股份有限公司 | 3-dimensional signal processing module and television |
| CN204650515U (en) * | 2015-05-25 | 2015-09-16 | 上海卓易科技股份有限公司 | The compatible circuit of a kind of MIPI screen and LVDS screen |
| CN207425034U (en) * | 2017-11-24 | 2018-05-29 | 深圳市信步科技有限公司 | The intelligent POS mainboards of double LVDS display interfaces |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113160759A (en) * | 2021-03-31 | 2021-07-23 | 智道网联科技(北京)有限公司 | Display screen circuit selection method, intelligent networking equipment mainboard and electronic equipment |
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Application publication date: 20190430 |
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| RJ01 | Rejection of invention patent application after publication |