CN205069023U - Image display device - Google Patents
Image display device Download PDFInfo
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- CN205069023U CN205069023U CN201520871863.6U CN201520871863U CN205069023U CN 205069023 U CN205069023 U CN 205069023U CN 201520871863 U CN201520871863 U CN 201520871863U CN 205069023 U CN205069023 U CN 205069023U
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- display screen
- image information
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- gravity sensor
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Abstract
The utility model discloses an image display device, this image display device includes: a plurality of display screens of concatenation, integrated gravity sensor in every display screen is respectively with each display screen and each gravity sensor electric connection's field programmable gate array ware to reach the memory with field programmable gate array ware electric connection, the display screen that confirm to correspond through gravity sensor place the direction, the automatic adjustment as a result of placing the direction of display screen that the field programmable gate array ware was determined according to gravity sensor reads the image information's in the memory order to export the image information who reads for the display screen that corresponds, thus guarantee image display device the display screen forward place with the reverse condition of placing under normal display image.
Description
Technical field
The utility model relates to display technique field, particularly relates to a kind of image display device.
Background technology
At present, in order to realize large screen display, the display device be spliced by multiple independently display screen is arisen at the historic moment.
The existing display device be spliced by multiple display screen is in installation process, after multiple display screen has been assembled, may find that the placement direction that display screen is reversed placement and display screen is rotated 180 °, such as, as illustrated in figs. ia and ib, display device by four independently display screen ABCD be spliced, the equal forward of four display screen ABCD in Fig. 1 a is placed, display screen A and B in Fig. 1 b is reversed placement, display screen C and D in Fig. 1 b is placed by forward, now, in order to ensure that the display device shown in Fig. 1 b normally can show image, four display screen ABCD are needed to re-assembly, like this, not only time-consuming but also require great effort, and, width (shown in a as illustrated in figs. ia and ib) due to the upper side frame of display screen is generally less than the width (shown in b as illustrated in figs. ia and ib) of lower frame, therefore, in order to reduce piece between display screen to improve display effect, as shown in Figure 1 b, need artificially display screen A and B oppositely to be placed, like this, display device can be caused again normally can not to show image.
Utility model content
In view of this, the utility model embodiment provides a kind of image display device, in order to solve because display screen is inverted the problem causing display device normally not show.
Therefore, the utility model embodiment provides a kind of image display device, comprise: multiple display screens of splicing, be integrated in the gravity sensor in each described display screen, the field programmable logic device be electrically connected with each described display screen and each described gravity sensor respectively, and the storer be electrically connected with described field programmable logic device; Wherein,
Described storer, for storing image information to be shown;
Described gravity sensor, for determining the placement direction of corresponding display screen; When the placement direction of the display screen determining correspondence is forward, export the first control signal to described field programmable logic device; When the placement direction of the display screen determining correspondence is reverse, export the second control signal to described field programmable logic device;
Described field programmable logic device, for when receiving described first control signal that described gravity sensor exports, reading the image information in described storer, and the image information of reading being exported to corresponding display screen according to the first order; When receiving described second control signal that described gravity sensor exports, reading the image information in described storer according to the second order contrary with the first order, and the image information of reading being exported to corresponding display screen;
Described display screen, for the image information display image according to reception.
In a kind of possible implementation, in the above-mentioned image display device that the utility model embodiment provides, each described display screen, comprising: display panel and the printed circuit board (PCB) bound with described display panel;
Described gravity sensor is integrated in the printed circuit board (PCB) in corresponding display screen.
In a kind of possible implementation, in the above-mentioned image display device that the utility model embodiment provides, described field programmable logic device is electrically connected by HDMI (High Definition Multimedia Interface) and each described printed circuit board (PCB).
In a kind of possible implementation, in the above-mentioned image display device that the utility model embodiment provides, described field programmable logic device, comprising: for reading the remote direct data access devices of the image information in described storer.
In a kind of possible implementation, in the above-mentioned image display device that the utility model embodiment provides, described storer is Double Data Rate synchronous DRAM.
In a kind of possible implementation, in the above-mentioned image display device that the utility model embodiment provides, described first control signal is high level signal;
Described second control signal is low level signal.
In a kind of possible implementation, in the above-mentioned image display device that the utility model embodiment provides, described field programmable logic device, specifically for when receiving described first control signal that described gravity sensor exports, read the image information in described storer line by line according to order from top to bottom; Wherein, described image information of often going reads one by one according to order from left to right;
When receiving described second control signal that described gravity sensor exports, read the image information in described storer line by line according to order from down to up; Wherein, described image information of often going reads one by one according to order from right to left.
In a kind of possible implementation, in the above-mentioned image display device that the utility model embodiment provides, described field programmable logic device, specifically for carrying out synchronously the image information read, amplifies, image quality adjustment process, exports to the display screen of correspondence by the image information after processing.
The above-mentioned image display device that the utility model embodiment provides, this image display device comprises: multiple display screens of splicing, be integrated in the gravity sensor in each display screen, the field programmable logic device be electrically connected with each display screen and each gravity sensor respectively, and the storer be electrically connected with field programmable logic device; The placement direction of corresponding display screen is determined by gravity sensor, the result of the placement direction of the display screen that field programmable logic device is determined according to gravity sensor adjusts the order of the image information read in storer automatically, and the image information of reading is exported to corresponding display screen, thus ensure that image display device normally can show image when display screen forward is placed and oppositely place.
Accompanying drawing explanation
Fig. 1 a and Fig. 1 b is respectively the structural representation of the existing display device be spliced by multiple display screen;
The structural representation of the image display device that Fig. 2 provides for the utility model embodiment;
Fig. 3 and Fig. 4 is respectively the process flow diagram of the method for displaying image that the utility model embodiment provides.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the image display device that the utility model embodiment provides is described in detail.
A kind of image display device that the utility model embodiment provides, as shown in Figure 2, comprise: multiple display screens 1 of splicing, be integrated in the gravity sensor 2 in each display screen 1, the field programmable logic device 3 be electrically connected with each display screen 1 and each gravity sensor 2 respectively, and the storer 4 be electrically connected with field programmable logic device 3; Wherein,
Storer 4, for storing image information to be shown;
Gravity sensor 2, for determining the placement direction of corresponding display screen 1; When the placement direction of the display screen 1 determining correspondence is forward, export the first control signal to field programmable logic device 3; When the placement direction of the display screen 1 determining correspondence is reverse, export the second control signal to field programmable logic device 3;
Field programmable logic device 3, for when receiving the first control signal that gravity sensor 2 exports, reading the image information in storer 4, and the image information of reading being exported to corresponding display screen 1 according to the first order; When receiving the second control signal that gravity sensor 2 exports, reading the image information in storer 4 according to the second order contrary with the first order, and the image information of reading being exported to corresponding display screen 1;
Display screen 1, for the image information display image according to reception.
The above-mentioned image display device that the utility model embodiment provides, the placement direction of corresponding display screen is determined by gravity sensor, the result of the placement direction of the display screen that field programmable logic device is determined according to gravity sensor adjusts the order of the image information read in storer automatically, and the image information of reading is exported to corresponding display screen, thus ensure that image display device normally can show image when display screen forward is placed and oppositely place.
In the specific implementation, in the above-mentioned image display device that the utility model embodiment provides, as shown in Figure 2, the printed circuit board (PCB) 12 that each display screen 1 can comprise display panel 11 and bind with display panel 11; Wherein, display panel can be the panel display boards such as display panels, organic EL display panel or Plasmia indicating panel, does not limit at this; The concrete structure of printed circuit board (PCB) and the similar of existing printed circuit board (PCB), do not repeat at this; Preferably, as shown in Figure 2, gravity sensor 2 can be integrated in the printed circuit board (PCB) 12 in corresponding display screen 1, like this, the gravity sensor 2 of increase can not affect the aperture opening ratio of display screen 1, and, be convenient to for gravity sensor 2 provides power supply.Particularly, as shown in Figure 2, can be bound in the upper side frame region of display panel 11 by printed circuit board (PCB) 12, therefore, gravity sensor 2 is also positioned at the upper side frame region of display panel 11.Certainly, also printed circuit board (PCB) can be bound in the lower frame region of display panel, not limit at this.
In the specific implementation, in the above-mentioned image display device that the utility model embodiment provides, field programmable logic device (FieldProgrammableGateArray, FPGA) be electrically connected with each display screen, HDMI (High Definition Multimedia Interface) (HighDefinitionMultimediaInterface can be passed through, HDMI) be electrically connected with each printed circuit board (PCB), thus the image information of reading can be exported to each printed circuit board (PCB) by FPGA, each printed circuit board (PCB) controls corresponding display panel and shows image to be shown.Particularly, can arrange HDMI_TX element in FPGA, image information can be given each printed circuit board (PCB) according to HDMI formatted output by this HDMI_TX element.
Certainly, in the above-mentioned image display device that the utility model embodiment provides, FPGA can also be electrically connected with each printed circuit board (PCB) by other means, and according to corresponding form, image information is exported to each printed circuit board (PCB), does not limit at this.
It should be noted that, in the above-mentioned image display device that the utility model embodiment provides, FPGA and each gravity sensor are electrically connected, and specifically directly can be electrically connected by wire.
In the specific implementation, in the above-mentioned image display device that the utility model embodiment provides, FPGA, specifically can comprise: for reading the remote direct data access devices (RemoteDirectMemoryAccess of the image information in storer, RDMA), like this, the image information in storer can be read by the RDMA in FPGA.Certainly, also can be read the image information in storer by the element arranging other types in FPGA, not limit at this.
In the specific implementation, in the above-mentioned image display device that the utility model embodiment provides, storer is specifically as follows Double Data Rate synchronous DRAM (DoubleDataRate, DDR), or, also can be the storer of other types, not limit at this.
In the specific implementation, in the above-mentioned image display device that the utility model embodiment provides, gravity sensor carrys out work according to the principle of piezoelectric effect.Particularly, piezoelectric effect refers to the heteropolar crystal for there is not symcenter, is applied to external force on crystal except can making crystal generation deformation, can also changes the polarized state of crystal, thus set up electric field in the inside of crystal, and then produces voltage.Gravity sensor utilizes acceleration to make crystal generation deformation exactly, and crystal deformation produces voltage, thus degree of will speed up changes into voltage output.Different acceleration can be produced due to display screen under different laying states thus gravity sensor can be made to produce different voltage, therefore, the placement direction of the voltage determination display screen that can export according to gravity sensor.Particularly, the first control signal can be high level signal, and the second control signal can be low level signal, and namely gravity sensor is when the placement direction determining display screen is forward, exports high level signal to FPGA; Gravity sensor when determining that the placement direction of display screen is reverse, to FPGA output low level signal.
In the specific implementation, in the above-mentioned image display device that the utility model embodiment provides, FPGA, specifically for when the placement direction of the first control signal and gravity sensor determination display screen that receive gravity sensor output is forward, the image information in storer is read line by line according to order from top to bottom, often row image information reads one by one according to order from left to right, such as, display screen EF is as shown in Figure 2 placed by forward, the order of the image information that FPGA reads in storer is pointed to the lower right (shown in arrow as shown in Figure 2) of display screen by the upper left side of display screen, when the placement direction of the second control signal and gravity sensor determination display screen that receive gravity sensor output is reverse, the image information in storer is read line by line according to order from down to up, often row image information reads one by one according to order from right to left, such as, display screen GH is as shown in Figure 2 reversed placement, and the order of the image information that FPGA reads in storer is pointed to the upper left side (shown in arrow as shown in Figure 2) of display screen by the lower right of display screen.
Certainly, in the above-mentioned image display device that the utility model embodiment provides, FPGA is when receiving the first control signal that gravity sensor exports, also the image information in storer can be read line by line according to order from down to up, often row image information reads one by one according to order from right to left, then when receiving the second control signal that gravity sensor exports, read the image information in storer line by line according to order from top to bottom, often row image information reads one by one according to order from left to right; Or, FPGA is when receiving the first control signal that gravity sensor exports, the image information in storer can also be read line by line according to order from top to bottom, often row image information reads one by one according to order from right to left, then when receiving the second control signal that gravity sensor exports, read the image information in storer line by line according to order from down to up, often row image information reads one by one according to order from left to right; Or, FPGA is when receiving the first control signal that gravity sensor exports, the image information in storer can also be read line by line according to order from down to up, often row image information reads one by one according to order from left to right, then when receiving the second control signal that gravity sensor exports, read the image information in storer line by line according to order from top to bottom, often row image information reads one by one according to order from right to left; Only need ensure the placement direction of display screen be forward and reverse time, the reading order of image information on the contrary, does not limit at this.
In the specific implementation, in the above-mentioned image display device that the utility model embodiment provides, FPGA, specifically for carrying out synchronously the image information read, amplifies, image quality adjustment process, exports to the display screen of correspondence by the image information after processing.Particularly, the image information that FPGA is corresponding to each display screen synchronously processes, and can ensure each display screen simultaneous display image in image display device; The image information that FPGA is corresponding to each display screen carries out amplification process, be specially and image information corresponding for each display screen is amplified to required resolution and required frame frequency, such as, be 1920 × 1080 in the resolution of image display device, when frame frequency is 60Hz, image information corresponding for each display screen can be amplified to 1920 × 108060Hz; The image information that FPGA is corresponding to each display screen carries out image quality adjustment process, can improve the quality of each display screen display image in image display device.
For the above-mentioned image display device that the utility model embodiment provides, the utility model embodiment still provides a kind of method for displaying image, as shown in Figure 3, comprises the steps:
S301, determine the placement direction of each display screen; When the placement direction determining display screen is forward, perform step S302; When determining that the placement direction of display screen is reverse, perform step S303;
S302, according to the first order reading images information;
S303, according to second order reading images information contrary to the first order;
S304, the image information of reading exported to corresponding display screen;
S305, according to image information display image.
In the specific implementation, the step S302 in the above-mentioned method for displaying image that execution the utility model embodiment provides, during according to the first order reading images information, as shown in Figure 4, specifically comprises the steps:
S401, according to the reading images information line by line of order from top to bottom; Wherein, often row image information reads one by one according to order from left to right;
Step S303 in the above-mentioned method for displaying image that execution the utility model embodiment provides, during according to the second order reading images information contrary with the first order, as shown in Figure 4, specifically comprises the steps:
S402, according to the reading images information line by line of order from down to up; Wherein, often row image information reads one by one according to order from right to left.
In the specific implementation, when performing the step S304 in the above-mentioned method for displaying image that the utility model embodiment provides, the image information of reading being exported to corresponding display screen, specifically can realize in the following manner:
The image information read is carried out synchronously, is amplified, image quality adjustment process, the image information after processing is exported to the display screen of correspondence.
The enforcement of the above-mentioned method for displaying image that the utility model embodiment provides see the embodiment of above-mentioned image display device, can repeat part and repeats no more.
A kind of image display device that the utility model embodiment provides, this image display device comprises: multiple display screens of splicing, be integrated in the gravity sensor in each display screen, the field programmable logic device be electrically connected with each display screen and each gravity sensor respectively, and the storer be electrically connected with field programmable logic device; The placement direction of corresponding display screen is determined by gravity sensor, the result of the placement direction of the display screen that field programmable logic device is determined according to gravity sensor adjusts the order of the image information read in storer automatically, and the image information of reading is exported to corresponding display screen, thus ensure that image display device normally can show image when display screen forward is placed and oppositely place.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (5)
1. an image display device, it is characterized in that, comprise: multiple display screens of splicing, be integrated in the gravity sensor in each described display screen, the field programmable logic device be electrically connected with each described display screen and each described gravity sensor respectively, and the storer be electrically connected with described field programmable logic device; Wherein,
Described storer, for storing image information to be shown;
Described gravity sensor, for determining the placement direction of corresponding display screen; When the placement direction of the display screen determining correspondence is forward, export the first control signal to described field programmable logic device; When the placement direction of the display screen determining correspondence is reverse, export the second control signal to described field programmable logic device;
Described field programmable logic device, for when receiving described first control signal that described gravity sensor exports, reading the image information in described storer, and the image information of reading being exported to corresponding display screen according to the first order; When receiving described second control signal that described gravity sensor exports, reading the image information in described storer according to the second order contrary with the first order, and the image information of reading being exported to corresponding display screen;
Described display screen, for the image information display image according to reception.
2. image display device as claimed in claim 1, it is characterized in that, each described display screen, comprising: display panel and the printed circuit board (PCB) bound with described display panel;
Described gravity sensor is integrated in the printed circuit board (PCB) in corresponding display screen.
3. image display device as claimed in claim 2, it is characterized in that, described field programmable logic device is electrically connected by HDMI (High Definition Multimedia Interface) and each described printed circuit board (PCB).
4. image display device as claimed in claim 1, it is characterized in that, described field programmable logic device, comprising: for reading the remote direct data access devices of the image information in described storer.
5. image display device as claimed in claim 1, it is characterized in that, described storer is Double Data Rate synchronous DRAM.
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| CN201520871863.6U CN205069023U (en) | 2015-11-03 | 2015-11-03 | Image display device |
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| CN201520871863.6U CN205069023U (en) | 2015-11-03 | 2015-11-03 | Image display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105243966A (en) * | 2015-11-03 | 2016-01-13 | 京东方科技集团股份有限公司 | Image display device and image display method |
| CN106168717A (en) * | 2016-08-31 | 2016-11-30 | 亚世光电股份有限公司 | One can cascade COG liquid crystal display large-size screen monitors module |
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2015
- 2015-11-03 CN CN201520871863.6U patent/CN205069023U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105243966A (en) * | 2015-11-03 | 2016-01-13 | 京东方科技集团股份有限公司 | Image display device and image display method |
| WO2017076077A1 (en) * | 2015-11-03 | 2017-05-11 | 京东方科技集团股份有限公司 | Image display device and image display method |
| US10359984B2 (en) | 2015-11-03 | 2019-07-23 | Boe Technology Group Co., Ltd. | Image display device and image display method |
| CN106168717A (en) * | 2016-08-31 | 2016-11-30 | 亚世光电股份有限公司 | One can cascade COG liquid crystal display large-size screen monitors module |
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