CN113223441A - Display expansion connection method and device - Google Patents
Display expansion connection method and device Download PDFInfo
- Publication number
- CN113223441A CN113223441A CN202110551616.8A CN202110551616A CN113223441A CN 113223441 A CN113223441 A CN 113223441A CN 202110551616 A CN202110551616 A CN 202110551616A CN 113223441 A CN113223441 A CN 113223441A
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- Prior art keywords
- display
- power supply
- pin
- interface
- equipment
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008054 signal transmission Effects 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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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
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G3/2096—Details of the interface to the display terminal specific for a flat panel
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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
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
Abstract
The invention provides a display expansion connection method and a device, and the technical scheme of the method comprises an output pin configuration step, wherein an output power supply pin is arranged in a display output interface of equipment to be expanded so as to supply power for display equipment; an input pin configuration step, namely setting an input power supply pin in a display input interface of display equipment to receive power supply of the equipment to be expanded; and a display signal transmission step, wherein the equipment to be expanded and the display equipment are connected through a display expansion line so as to transmit power and signals. The invention solves the problem that the existing display expansion connection technology can not realize the simultaneous transmission of power and signals in one line.
Description
Technical Field
The invention belongs to the technical field of display extension, and particularly relates to a display extension connection method and device.
Background
The existing electronic products have the requirement of external expansion display in design, but the existing display schemes (VGA display, HDMI display and DVI display) all need two cables, one power line and one signal line; in terms of convenience in carrying and convenience in use, the two cables are heavy and redundant.
Disclosure of Invention
The embodiment of the application provides a display expansion connection method and device, which are used for at least solving the problem that the existing display expansion connection technology cannot realize simultaneous transmission of power and signals in one line.
In a first aspect, an embodiment of the present application provides a display extension connection method, including: an output pin configuration step, namely setting an output power supply pin in a display output interface of a device to be expanded so as to supply power for the display device; an input pin configuration step, namely setting an input power supply pin in a display input interface of display equipment to receive power supply of the equipment to be expanded; and a display signal transmission step, wherein the equipment to be expanded and the display equipment are connected through a display expansion line so as to transmit power and signals.
Preferably, the output power supply pin is located at a reserved pin of the display output interface, and the input power supply pin is located at a reserved pin of the display input interface.
Preferably, the display output interface and the display input interface are HDMI interfaces, and the display expansion line is an HDMI line.
Preferably, the display output interface and the display input interface are VGA interfaces, and the display expansion line is a VGA line.
Preferably, the voltage of the output power supply pin is 12V.
In a second aspect, an embodiment of the present application provides a display extension connection apparatus, based on the foregoing display extension connection method, including: the display output interface is positioned on a device to be expanded and comprises an output power supply pin for supplying power to the display device; the display input interface is positioned on display equipment, and the display equipment comprises an output power supply pin for receiving the power supply of the equipment to be expanded; and the display expansion line is connected with the equipment to be expanded and the display equipment so as to transmit power and signals.
In some embodiments, the output power pin is located at a reserved pin of the display output interface, and the input power pin is located at a reserved pin of the display input interface.
In some embodiments, the display output interface and the display input interface are HDMI interfaces, and the display expansion line is an HDMI line.
In some embodiments, the display output interface and the display input interface are VGA interfaces, and the display expansion line is a VGA line.
In some of these embodiments, the voltage of the output supply pin is 12V.
Compared with the prior art, the display expansion connection method and the device based on the method have the advantages that the display interface is used innovatively and flexibly, the requirement for expansion display can be met by using a standard display expansion line, a heavy power line is not needed for supplying power to the display, the power line for expansion display is saved, the expansion display is more convenient and faster to carry, and the power line is saved in the cost aspect of the whole machine.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a flow chart of a display expansion connection method according to the present invention;
FIG. 2 is a schematic diagram of an embodiment of the present invention;
in the above figures:
1. a display output interface; 2. displaying an expansion line; 3. an input interface is displayed.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments provided in the present application without any inventive step are within the scope of protection of the present application.
It is obvious that the drawings in the following description are only examples or embodiments of the present application, and that it is also possible for a person skilled in the art to apply the present application to other similar contexts on the basis of these drawings without inventive effort. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of ordinary skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments without conflict.
Unless defined otherwise, technical or scientific terms referred to herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which this application belongs. Reference to "a," "an," "the," and similar words throughout this application are not to be construed as limiting in number, and may refer to the singular or the plural. The present application is directed to the use of the terms "including," "comprising," "having," and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Embodiments of the invention are described in detail below with reference to the accompanying drawings:
fig. 1 is a flowchart of a display expansion connection method according to the present invention, and referring to fig. 1, the display expansion connection method according to the present invention includes the following steps:
s1: an output power supply pin is arranged in a display output interface of a device to be expanded so as to supply power for the display device; optionally, the output power supply pin is located in the reserved pin of the display output interface; optionally, the display output interface is any one of a standard HDMI interface and a standard VGA interface; optionally, the voltage of the output power supply pin is 12V.
In a specific implementation, 12V power is added to the display interface of the device to be expanded, specifically, a reserved pin of the display interface.
In a specific implementation, if the interface is a standard HDMI interface, the reserved pin is the 14 th pin, and if the interface is a standard VGA interface, the reserved pin is the 9 th pin.
In the specific implementation, the backlight panel and the liquid crystal panel of the display device both need to be powered, wherein the power supply of the backlight panel comprises 12V and 5V, and in the specific implementation, for compatibility, 12V voltage is selected; the power supply of the liquid crystal panel comprises 12V, 5V and 3.3V, and in the specific implementation, a 12V power supply is selected for compatibility.
S2: an input power supply pin is arranged in a display input interface of display equipment to receive power supply of the equipment to be expanded; optionally, the input power supply pin is located in a reserved pin of the display input interface; optionally, the display input interface is any one of a standard HDMI interface and a standard VGA interface.
In a specific implementation, 12V power is added to the display input interface of the display device, specifically, at the reserved pin of the display input interface.
In a specific implementation, if the interface is a standard HDMI interface, the reserved pin is the 14 th pin, and if the interface is a standard VGA interface, the reserved pin is the 9 th pin.
S3: connecting the equipment to be expanded and the display equipment through a display expansion line so as to transmit power and signals; optionally, the display expansion line is any one of a standard HDMI line and a standard VGA line.
The embodiment of the application provides a display expansion connecting device based on the display expansion connecting method. As used below, the terms "unit," "module," and the like may implement a combination of software and/or hardware of predetermined functions. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware or a combination of software and hardware is also possible and contemplated.
Referring to fig. 2, the apparatus includes:
the display output interface 1 is positioned on a device to be expanded, and comprises an output power supply pin for supplying power to the display device; optionally, the output power supply pin is located in the reserved pin of the display output interface; optionally, the display output interface is any one of a standard HDMI interface and a standard VGA interface; optionally, the input voltage of the output power supply pin is 12V.
In a specific implementation, 12V power is added to the display interface of the device to be expanded, specifically, a reserved pin of the display interface.
In a specific implementation, if the interface is a standard HDMI interface, the reserved pin is the 14 th pin, and if the interface is a standard VGA interface, the reserved pin is the 9 th pin.
In the specific implementation, the backlight panel and the liquid crystal panel of the display device both need to be powered, wherein the power supply of the backlight panel comprises 12V and 5V, and in the specific implementation, for compatibility, 12V voltage is selected; the power supply of the liquid crystal panel comprises 12V, 5V and 3.3V, and in the specific implementation, a 12V power supply is selected for compatibility.
The display input interface 3 is positioned on display equipment, and the display equipment comprises an output power supply pin for receiving the power supply of the equipment to be expanded; optionally, the input power supply pin is located in a reserved pin of the display input interface; optionally, the display input interface is any one of a standard HDMI interface and a standard VGA interface.
In a specific implementation, 12V power is added to the display input interface of the display device, specifically, at the reserved pin of the display input interface.
In a specific implementation, if the interface is a standard HDMI interface, the reserved pin is the 14 th pin, and if the interface is a standard VGA interface, the reserved pin is the 9 th pin.
The display expansion line 2 is connected with the equipment to be expanded and the display equipment so as to transmit power and signals; optionally, the display expansion line is any one of a standard HDMI line and a standard VGA line.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A display expansion connection method, comprising:
an output pin configuration step, namely setting an output power supply pin in a display output interface of a device to be expanded so as to supply power for the display device;
an input pin configuration step, namely setting an input power supply pin in a display input interface of display equipment to receive power supply of the equipment to be expanded;
and a display signal transmission step, wherein the equipment to be expanded and the display equipment are connected through a display expansion line so as to transmit power and signals.
2. The display extension connection method of claim 1, wherein the output power supply pin is located at a reserved pin of the display output interface, and the input power supply pin is located at a reserved pin of the display input interface.
3. The display extension connection method according to claim 1, wherein the display output interface and the display input interface are HDMI interfaces, and the display extension line is an HDMI line.
4. The display expansion connection method of claim 1, wherein the display output interface and the display input interface are VGA interfaces, and the display expansion line is a VGA line.
5. The display extension connection method of claim 1, wherein the voltage of the output power supply pin is 12V.
6. A display expansion connection apparatus, comprising:
the display output interface is positioned on a device to be expanded and comprises an output power supply pin for supplying power to the display device;
the display input interface is positioned on display equipment, and the display equipment comprises an output power supply pin for receiving the power supply of the equipment to be expanded;
and the display expansion line is connected with the equipment to be expanded and the display equipment so as to transmit power and signals.
7. The display extension connection device of claim 6, wherein the output power supply pin is located at a reserved pin of the display output interface, and the input power supply pin is located at a reserved pin of the display input interface.
8. The display extension connection device of claim 6, wherein the display output interface and the display input interface are HDMI interfaces, and the display extension line is an HDMI line.
9. The display expansion connection device of claim 6, wherein the display output interface and the display input interface are VGA interfaces, and the display expansion line is a VGA line.
10. The display extension connection of claim 6, wherein the voltage of the output power supply pin is 12V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110551616.8A CN113223441A (en) | 2021-05-20 | 2021-05-20 | Display expansion connection method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110551616.8A CN113223441A (en) | 2021-05-20 | 2021-05-20 | Display expansion connection method and device |
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| Publication Number | Publication Date |
|---|---|
| CN113223441A true CN113223441A (en) | 2021-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110551616.8A Pending CN113223441A (en) | 2021-05-20 | 2021-05-20 | Display expansion connection method and device |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101593504A (en) * | 2008-05-30 | 2009-12-02 | 鸿富锦精密工业（深圳）有限公司 | The display of tool Peripheral Interface and support the mainboard of described display |
| CN102122198A (en) * | 2010-01-08 | 2011-07-13 | 研祥智能科技股份有限公司 | Industrial control main board, expansion board of industrial control main board and industrial computer |
| WO2011099407A1 (en) * | 2010-02-12 | 2011-08-18 | ソニー株式会社 | Electronic apparatus and method of external connection device digital interface determination |
| CN202931474U (en) * | 2012-10-23 | 2013-05-08 | 深圳市江波龙电子有限公司 | HDMI expansion interface and HDMI expansion device |
| CN103809662A (en) * | 2012-11-07 | 2014-05-21 | 鸿富锦精密工业（深圳）有限公司 | Display card |
| CN204102118U (en) * | 2014-10-09 | 2015-01-14 | 天津市英贝特航天科技有限公司 | The expansion structure of VGA display interface Long line transmission |
| CN102929376B (en) * | 2012-11-19 | 2016-03-16 | 威海大宇电子有限公司 | The method of supplying power to of computer monitor and device and desktop computer |
| WO2017014506A1 (en) * | 2015-07-17 | 2017-01-26 | 엘지전자(주) | Method for transmitting and receiving power by using hdmi, and device therefor |
| CN109508160A (en) * | 2017-09-14 | 2019-03-22 | 钟志刚 | Display integrates connecting line |
-
2021
- 2021-05-20 CN CN202110551616.8A patent/CN113223441A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101593504A (en) * | 2008-05-30 | 2009-12-02 | 鸿富锦精密工业（深圳）有限公司 | The display of tool Peripheral Interface and support the mainboard of described display |
| CN102122198A (en) * | 2010-01-08 | 2011-07-13 | 研祥智能科技股份有限公司 | Industrial control main board, expansion board of industrial control main board and industrial computer |
| WO2011099407A1 (en) * | 2010-02-12 | 2011-08-18 | ソニー株式会社 | Electronic apparatus and method of external connection device digital interface determination |
| CN202931474U (en) * | 2012-10-23 | 2013-05-08 | 深圳市江波龙电子有限公司 | HDMI expansion interface and HDMI expansion device |
| CN103809662A (en) * | 2012-11-07 | 2014-05-21 | 鸿富锦精密工业（深圳）有限公司 | Display card |
| CN102929376B (en) * | 2012-11-19 | 2016-03-16 | 威海大宇电子有限公司 | The method of supplying power to of computer monitor and device and desktop computer |
| CN204102118U (en) * | 2014-10-09 | 2015-01-14 | 天津市英贝特航天科技有限公司 | The expansion structure of VGA display interface Long line transmission |
| WO2017014506A1 (en) * | 2015-07-17 | 2017-01-26 | 엘지전자(주) | Method for transmitting and receiving power by using hdmi, and device therefor |
| CN109508160A (en) * | 2017-09-14 | 2019-03-22 | 钟志刚 | Display integrates connecting line |
Non-Patent Citations (1)
| Title |
|---|
| 翁盛鑫，陈玲，郑金龙: "《电脑医院：电脑故障排查实用宝典》", 31 December 2013 * |
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Application publication date: 20210806 |
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| RJ01 | Rejection of invention patent application after publication |