CN212276789U - Display screen signal adapting device, display screen and mainboard - Google Patents
Display screen signal adapting device, display screen and mainboard Download PDFInfo
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- CN212276789U CN212276789U CN202020929520.1U CN202020929520U CN212276789U CN 212276789 U CN212276789 U CN 212276789U CN 202020929520 U CN202020929520 U CN 202020929520U CN 212276789 U CN212276789 U CN 212276789U
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Abstract
The utility model relates to a display screen signal adaptation device, display screen and mainboard, include: RGB interface, master controller and memorizer; the RGB interface is connected with a first input end of the main controller; the memory is connected with the second input end of the main controller; the output end of the main controller is correspondingly connected with the driving interface and the display interface of the vertical screen; the memory stores a driving program; the main controller is used for sending a driving program to the vertical screen through the driving interface to drive the vertical screen to work, and displaying content received by the RGB interface is supplied to the vertical screen through the display interface for displaying. Through adopting master controller and memory, the storage has the drive code of erecting the screen in the memory, and when driving the display screen, the drive code of memory the inside transmits the display screen through the master controller, and the RGB signal of mainboard passes through RGB interface connection's master controller synchronous transfer and gives the display screen, can let erect the screen and light. The mainboard does not need to be changed, so that the time and the development cost are saved.
Description
Technical Field
The utility model belongs to the technical field of the display screen signal conversion, concretely relates to display screen signal adapter device, display screen and mainboard.
Background
In the application and test scenes of screens in daily use, production test links and the like, a transverse screen is used as the display screen, corresponding interfaces are generally RGB interfaces, and a corresponding main board connected with the display screen only supports the RGB interfaces; when the transverse screen is switched into the vertical screen to be connected into the mainboard in the using process, the display driving mode of the vertical screen is different from that of the transverse screen, the vertical screen is an SPI (serial peripheral interface) and RGB (red, green and blue) integrated interface, at the moment, the mainboard cannot support the display of the vertical screen, and only the mainboard can be redesigned, so that the time is delayed, and the development cost is increased.
SUMMERY OF THE UTILITY MODEL
Delay time in order to solve the redesign mainboard that prior art exists, increase the problem of development cost, the utility model provides a display screen signal adapter device, display screen and host computer it has convenient to use, saves characteristics such as expense, time.
The utility model discloses the technical scheme who adopts does:
a display screen signal adapting apparatus comprising: RGB interface, master controller and memorizer;
the RGB interface is connected with a first input end of the main controller;
the memory is connected with the second input end of the master controller;
the output end of the main controller is correspondingly connected with the driving interface and the display interface of the vertical screen;
a driving program is stored in the memory;
the main controller is used for sending the driving program to the vertical screen internal drive through the driving interface to drive the vertical screen to work, and displaying contents received by the RGB interface are supplied to the vertical screen through the display interface to be displayed.
Further, the master comprises: the crystal oscillator circuit is connected with a clock pin of the main control chip to provide frequency required by work for the main control chip; the main control chip is respectively connected with the RGB interface, the memory and the vertical screen.
Further, the master controller further comprises: and the burning interface is connected with the main control chip and is used for burning the driving program.
Further, the master controller further comprises: and the output end of the reset circuit is connected with the reset pin of the main control chip and is used for resetting the main control chip.
Further, data transmission is carried out between the main control chip and the memory based on SPI signals.
Further, the model of the main control chip is LQFP 64.
Further, the model of the memory is A25Q 80.
Further, the master controller and the memory are integrated on the soft bar lines of the vertical screen.
According to the utility model provides a display screen, include as above display screen signal adapter device.
According to the utility model provides a mainboard, include as above display screen signal adapter device.
The utility model has the advantages that: through adopting master controller and memory, the storage has the drive code of erecting the screen in the memory, and when driving the display screen, the drive code of memory the inside transmits the display screen through the master controller, and the RGB signal of mainboard passes through RGB interface connection's master controller synchronous transfer and gives the display screen, can let erect the screen and light. The mainboard does not need to be changed, so that the time and the development cost are saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a display screen signal adaptation apparatus provided in accordance with an exemplary embodiment;
FIG. 2 is another schematic diagram of a display screen signal adaptation apparatus provided in accordance with an exemplary embodiment;
FIG. 3 is a circuit diagram of a master control chip provided in accordance with an example embodiment;
FIG. 4 is a circuit diagram of a crystal oscillator circuit provided in accordance with an exemplary embodiment;
FIG. 5 is a circuit diagram of a memory provided in accordance with an exemplary embodiment;
FIG. 6 is a circuit diagram of a burn interface provided in accordance with an exemplary embodiment;
FIG. 7 is a circuit diagram of an RGB interface provided in accordance with an exemplary embodiment;
fig. 8 is a circuit diagram of a reset circuit provided in accordance with an example embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a display screen signal adapting device, including: RGB interface, master controller and memorizer;
the RGB interface is connected with a first input end of the main controller;
the memory is connected with the second input end of the main controller;
the output end of the main controller is correspondingly connected with the driving interface and the display interface of the vertical screen;
the memory stores a driving program;
the main controller is used for sending a driving program to the vertical screen through the driving interface to drive the vertical screen to work, and displaying the display content received by the RGB interface through the display interface.
Specifically, because the SPI of the vertical screen + the SPI of the RGB interface is used to transmit the driver code of the display screen, the RGB transmits the display data. So adopt the mode that master controller and memory combined together, the driver of copy out is stored in the memory, the public head of RGB interface of master controller connection and the female mouth looks adaptation of the RGB interface of mainboard, based on SPI signal communication between master controller and the memory, the communication mode of the corresponding drive interface of master controller and perpendicular screen or pin also is the SPI mode, the transmission of data is shown in the corresponding interface and the RGB interface looks adaptation of master controller, be used for showing soft arranging line with master controller and memory integration on perpendicular screen like this, after RGB interface and mainboard connection are gone up the electricity, the master controller reads the work of the drive vertical screen drive in the memory, transmit RGB signal to perpendicular screen and show simultaneously. Because with the display screen of distinguishing, the horizontal screen is more expensive than the vertical screen, and this is also the reason that uses the vertical screen to replace the horizontal screen under same display effect, and direct repacking mainboard is wasted time and energy, and is with high costs moreover. By adding the main controller and the memory, the problem that the main board interface is not supported can be solved, the new development cost and time of the main board are saved, and the method has wide applicability.
Referring to fig. 2, in some embodiments of the invention, the master controller comprises: the clock pin of the crystal oscillator circuit and the clock pin of the main control chip are connected to provide the frequency required by the work for the main control chip; the main control chip is respectively connected with the RGB interface, the memory and the vertical screen.
The master controller further comprises: and the burning interface is connected with the main control chip and used for burning the driving program.
The master controller further comprises: and the output end of the reset circuit is connected with a reset pin of the main control chip and is used for resetting the main control chip.
And data transmission is carried out between the main control chip and the memory based on the SPI signal.
Specifically, referring to specific circuit diagrams of various parts shown in fig. 3 to 8, the model of the main control chip is LQFP 64; the type of the memory is A25Q80, driver codes are transmitted between the main control chip and the memory through SPI signals, pins connected with corresponding interfaces or pins of the display screen are reserved on the main control chip, and the pins can be directly welded with the pins of the display screen for use. In order to facilitate the testing of a large number of display screens in the daily use process, a memory and a main control chip can be welded and integrated on a flexible flat cable connected with the display screens, so that corresponding pins of a main controller and corresponding driving pins of the flexible flat cable are connected with pins for displaying data, and thus, a large number of tests can be performed on one display screen; the testing of screens of different models can be carried out by preparing flexible flat cables which are connected with vertical screens of different models and are integrated with a main control chip and a memory.
The crystal oscillator circuit provides 12MHz vibration frequency for the main control chip to ensure normal work and data transmission synchronism; the output end of the reset circuit is connected with a corresponding reset pin of the control chip, the input end of the reset circuit can be connected with a grounded key, and the control chip is restarted through the key after the control chip is halted, so that the normal use of the control chip is ensured; the display signal of the mainboard is connected to the main control chip through the RGB interface circuit, and then synchronously forwarded to the display screen for display by the main control chip and the driving program; meanwhile, the burning interfaces J2 and J3 are matched to burn the driving program into the memory through the main control chip to update the driving program, so that the driving program can be suitable for display screens of different models, and the expandability is good.
Based on same design consideration the embodiment of the utility model provides a display screen is still provided, including above-mentioned embodiment display screen signal adapter device. The adaptive device is integrated on the display screen, so that the application range of the display screen is expanded, and the switching of horizontal screen display and vertical screen display by a user is met. The specific implementation manner of the display screen signal adapting device provided in the above embodiments may be referred to, and details are not described here.
The utility model discloses a still provide a mainboard in other embodiments, including above embodiment display screen signal adapter device. The specific implementation manner of the display screen signal adapting device provided in the above embodiments may be referred to, and details are not described here.
The utility model discloses above-mentioned embodiment provides a display screen signal adapter device, under the prerequisite that keeps mainboard still RGB interface transmission, through an integrated master controller and memory on the drive soft arranging wire at the display screen, write the initialization code of display screen in the memory the inside, through master controller drive display screen work and the content that shows the host computer and send, solved horizontal screen and changed the drive problem with perpendicular screen. Compared with the mode of reforming the main board, the method saves more time and labor and saves cost.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
What has been described above includes examples of one or more embodiments. It is, of course, not possible to describe every conceivable combination of components or methodologies for purposes of describing the aforementioned embodiments, but one of ordinary skill in the art may recognize that many further combinations and permutations of various embodiments are possible. Accordingly, the embodiments described herein are intended to embrace all such alterations, modifications and variations that fall within the scope of the appended claims. Furthermore, to the extent that the term "includes" is used in either the detailed description or the claims, such term is intended to be inclusive in a manner similar to the term "comprising" as "comprising" is interpreted when employed as a transitional word in a claim. Furthermore, any use of the term "or" in the specification of the claims is intended to mean a "non-exclusive or".
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A display screen signal adapting device, comprising: RGB interface, master controller and memorizer;
the RGB interface is connected with a first input end of the main controller;
the memory is connected with the second input end of the master controller;
the output end of the main controller is correspondingly connected with the driving interface and the display interface of the vertical screen;
a driving program is stored in the memory;
the main controller is used for sending the driving program to the vertical screen internal drive through the driving interface to drive the vertical screen to work, and displaying contents received by the RGB interface are supplied to the vertical screen through the display interface to be displayed.
2. The display screen signal adapting device of claim 1, wherein the master controller comprises: the crystal oscillator circuit is connected with a clock pin of the main control chip to provide frequency required by work for the main control chip; the main control chip is respectively connected with the RGB interface, the memory and the vertical screen.
3. The display screen signal adapting device of claim 2, wherein the master controller further comprises: and the burning interface is connected with the main control chip and is used for burning the driving program.
4. The display screen signal adapting device of claim 2, wherein the master controller further comprises: and the output end of the reset circuit is connected with the reset pin of the main control chip and is used for resetting the main control chip.
5. The display screen signal adapting device according to claim 2, wherein data transmission is performed between the main control chip and the memory based on an SPI signal.
6. The display screen signal adapting device according to claim 2, wherein the model of the main control chip is LQFP 64.
7. The display screen signal adapting device according to claim 2, wherein the memory is a25Q80 model.
8. The display screen signal adapting device according to any one of claims 1 to 7, wherein the main controller and the memory are integrated on the flexible flat cable of the vertical screen.
9. A display screen comprising the display screen signal adapting device of any one of claims 1 to 8.
10. A motherboard comprising a display screen signal adapting device according to any one of claims 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020929520.1U CN212276789U (en) | 2020-05-28 | 2020-05-28 | Display screen signal adapting device, display screen and mainboard |
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| CN202020929520.1U CN212276789U (en) | 2020-05-28 | 2020-05-28 | Display screen signal adapting device, display screen and mainboard |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112925495A (en) * | 2021-03-25 | 2021-06-08 | 江西科莱电子有限公司 | Display method and device of display screen, controller and display screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112925495A (en) * | 2021-03-25 | 2021-06-08 | 江西科莱电子有限公司 | Display method and device of display screen, controller and display screen |
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