CN110930892A - Display screen, display device and control method of display device - Google Patents
Display screen, display device and control method of display device Download PDFInfo
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- CN110930892A CN110930892A CN201911246976.6A CN201911246976A CN110930892A CN 110930892 A CN110930892 A CN 110930892A CN 201911246976 A CN201911246976 A CN 201911246976A CN 110930892 A CN110930892 A CN 110930892A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000008054 signal transmission Effects 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims description 70
- 239000000758 substrate Substances 0.000 claims description 21
- 238000003860 storage Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 239000003086 colorant Substances 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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Abstract
The invention relates to the technical field of display, in particular to a display screen which comprises a display module, a contact connecting unit and a control unit, wherein the contact connecting unit is arranged on the display module, the control unit is electrically connected with the contact connecting unit and controls the signal transmission of the contact connecting unit, the display screen is composed of at least one light source module, the light source module comprises a plurality of groups of pixel units, and the pixel units are used for adjusting corresponding working states based on signal transmission changes. The invention provides a display screen, a display device and a control method of the display device. The display screen, the display device and the control method of the display device provided by the invention have the advantages of meeting the requirements of large-size display and portable display and the like.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of display, in particular to a display screen, a display device and a control method of the display device.
[ background of the invention ]
With the development of the technology in the field of display screens, higher requirements are put on the quality and size power consumption of the display screens, and generally speaking, the most direct method for improving the display effect is to increase the number of pixels of the display screens to display videos or graphics with higher resolution. However, this greatly increases the size and power consumption of the display screen. In addition, as diversified display requirements increase, large-size display and portable display are more and more concerned, but in the existing display technology, the large-size display has the problems of low yield and high cost in production and preparation, and the large-size display also has difficulties in transportation and installation due to the size problem, so that the large-size display and the portable display are difficult to realize, and the requirements of the existing display cannot be met.
[ summary of the invention ]
In order to overcome the defect that the conventional display screen is difficult to realize large-size display and portable display, the invention provides a display screen, a display device and a control method of the display device.
In order to solve the technical problems, the invention provides the following technical scheme: the invention provides a display screen which comprises a display module, a contact connecting unit and a control unit, wherein the contact connecting unit is arranged on the display module, the control unit is electrically connected with the contact connecting unit and controls the signal transmission of the contact connecting unit, the display screen is composed of at least one light source module, the light source module comprises a plurality of groups of pixel units, and the pixel units are used for adjusting corresponding working states based on signal transmission changes.
Preferably, the contact connection unit includes a plurality of contacts, the contacts are disposed at edges of the display module, and the contacts transmit signal data between the display screens.
Preferably, each pixel unit at least comprises an R-LED chip, a G-LED chip and a B-LED chip, wherein the R-LED chips, the G-LED chips and the B-LED chips are arranged in a straight shape, an L shape, a triangle shape or a square shape.
Preferably, the display screen further comprises a power supply unit, and the power supply unit is electrically connected with the display module, the contact connection unit and the control unit respectively and provides an electric energy source for the display module, the contact connection unit and the control unit; the power supply unit comprises any one or a combination of a plurality of built-in storage batteries, wireless charging coils or contact type charging ports.
Preferably, the display module comprises a flexible substrate, the plurality of light source modules are arranged on the flexible substrate, and both the light source modules and the flexible substrate can be curled or folded; or the display module comprises a plurality of display units, and the display units are connected through hinges or rotating shafts.
In order to solve the above technical problem, the present invention provides another technical solution as follows: the display device comprises at least two display screens, the display device comprises a main control unit, a contact connecting unit and a display control module, wherein the contact connecting unit is electrically connected with the main control unit and is arranged on the display screens; the display device further comprises a fixing piece, the main control unit and the display control module are arranged on the fixing piece, and the fixing piece is detachably connected with the display screens.
Preferably, the display screen is provided with a permanent magnet, the fixing member is provided with an electromagnet matched with the permanent magnet, the permanent magnet and the electromagnet are arranged oppositely, the magnetic poles of the electromagnet are controlled by electrifying, powering off or reversely electrifying the electromagnet, so that the display screen is assembled and disassembled on the fixing member, or the display screen is provided with a plurality of first permanent magnets, the fixing member is provided with a second permanent magnet and a first electromagnet which are matched with the first permanent magnets respectively, the first electromagnet is electrically connected with the main control unit, the magnetic poles of the first permanent magnet are opposite to that of the second permanent magnet, and the main control unit is used for electrifying, powering off or reversely electrifying the first electromagnet so that the first electromagnet is connected or disassembled with the first permanent magnet.
Preferably, the display device further comprises a communication unit connected with the main control unit, and the communication unit comprises any one or combination of a wifi communication module, a 5G communication module and a wired communication module.
Preferably, the mounting includes a plurality of connecting plates, a plurality of connecting plates with display screen electric connection, it is a plurality of realize rotating the connection through hinge or pivot between the connecting plate, it is a plurality of when the display screen assembly extremely on the mounting, display device can realize folding.
In order to solve the above technical problem, the present invention provides another technical solution as follows: a control method of a display device is performed based on the display device, and the control method of the display device includes the steps of:
which comprises the following steps:
s1: transmitting the first electric signal to the main control unit through the contact connection unit;
s2: the main control unit identifies the first electric signal and further transmits the first electric signal to the display control module; and
s3: the display control module identifies and reads the relevant instructions of the first electric signals so as to control the working states of the pixel units in the display screens.
Compared with the prior art, the display device provided by the invention has the following beneficial effects:
1. the utility model provides a display screen, display screen includes display module assembly, contact linkage unit and the control unit, and the contact linkage unit sets up on the display module assembly, the control unit with contact linkage unit electric connection and control contact linkage unit's signal transmission, the display screen comprises an at least light source module, and light source module includes multiunit pixel unit, and pixel unit changes in order to adjust corresponding operating condition based on signal transmission. The display screen can be spliced, the size of the display screen can be not limited by the size of the existing production equipment, and the display screen can be conveniently and rapidly switched between small-size display and large-size display, so that the requirements of large-size display and portable display are met.
2. The display requirements of different size settings can be met by splicing a plurality of display screens, and the spliced display screens can be widely applied to various scenes. The large-size display screen formed by splicing the plurality of display screens is convenient to transport and mount, and is beneficial to reducing the cost and improving the yield of the display screen in production and preparation.
3. The contact connection unit comprises a plurality of contacts, the contacts are arranged at the edge of the display module, and the contacts transmit signal data between the display screens. The signal transmission among the spliced display screens is realized through the contacts, so that the signal intercommunication among the display screens is facilitated.
4. Each pixel unit at least comprises an R-LED chip, a G-LED chip and a B-LED chip, wherein the R-LED chips, the G-LED chips and the B-LED chips are arranged in a straight shape, an L shape, a triangle shape or a square shape. And various arrangement modes are provided, and different display effects of the display screen are realized.
5. The display screen also comprises a power supply unit which is respectively electrically connected with the display module, the contact connecting unit and the control unit and provides electric energy for the display module, the contact connecting unit and the control unit; the power supply unit comprises any one or a combination of a plurality of built-in storage batteries, wireless charging coils or contact type charging ports. The power supply unit supplies power to the display screen to ensure that the display screen can be used independently and improve the portability of the display screen.
6. The display module comprises a flexible substrate, a plurality of light source modules are arranged on the flexible substrate, and the light source modules and the flexible substrate can be curled or folded; or the display module comprises a plurality of display units, and the display units are connected through hinges or rotating shafts. The display screen can be flexibly folded to improve the display effect, and a plurality of flexibly spliced display screens can be installed on an annular wall body or a curved wall body to realize the effect of a large outdoor advertising screen.
7. The invention also provides a display device which comprises at least two display screens, wherein the display device comprises a main control unit, a contact connecting unit and a display control module, wherein the contact connecting unit is electrically connected with the main control unit; the display device further comprises a fixing piece, the main control unit and the display control module are arranged on the fixing piece, and the fixing piece is detachably connected with the display screens. The working state of the display screens which are spliced is controlled through the fixing piece, the display screens can be assembled on the fixing piece after being spliced to form a whole large-size screen, and a single independent display screen can be detached from the spliced screen to be taken out and used, so that the practicability is high.
8. The display screen is provided with a permanent magnet, the fixing part is provided with an electromagnet matched with the permanent magnet, the permanent magnet and the electromagnet are arranged oppositely, the magnetic pole of the electromagnet is controlled through electrifying, powering off or reversely electrifying the electromagnet, so that the display screen is assembled and disassembled on the fixing part, or the display screen is provided with a plurality of first permanent magnets, the fixing part is provided with a second permanent magnet and a first electromagnet which are respectively matched with the first permanent magnets, the first electromagnet is electrically connected with the main control unit, the magnetic poles of the first permanent magnet and the second permanent magnet are opposite, and the connection or the disassembly of the first electromagnet and the first permanent magnet is realized through electrifying, powering off or reversely electrifying the first electromagnet by the main control unit. Through setting up the relation cooperation between electromagnet and the permanent magnet between display screen and the mounting, realize that the display screen assembles to the mounting on firmly, also make things convenient for the display screen to dismantle from the mounting to can make things convenient for on user's equipment a plurality of display screens to the mounting.
9. The display device further comprises a communication unit connected with the main control unit, and the communication unit comprises a wifi communication module, a 5G communication module and a wired communication module. Be provided with any kind or several kinds of combinations in 5G communication module and the wifi communication module on display screen and the mounting, still set up wired communication module on the mounting, when assembling on the mounting after a plurality of display screen concatenations, display screen and mounting accessible wired communication module, 5G communication module or wifi communication module realize the transmission of communication information between display screen and the mounting, when single display screen independent utility, the transmission of communication information between display screen accessible 5G communication module or wifi communication module realization and the external equipment. Through the communication transmission between the display screen of mounting and a plurality of concatenations, make things convenient for the signal transmission between the display screen of mounting and a plurality of concatenations, make things convenient for the mounting to control the display screen of a plurality of concatenations. When the display screen is used independently, the display screen can also realize the transmission of communication information with external equipment through 5G or wifi.
10. The mounting includes a plurality of connecting plates, a plurality of connecting plates with display screen electric connection, it is a plurality of realize rotating through hinge or pivot between the connecting plate and connect, it is a plurality of the display screen assembly extremely during on the mounting, display device can realize folding. The display screen is folded by folding the connecting plates to drive the display screen to be spliced, so that the effect of a large-scale curved surface display screen is achieved.
11. The invention also provides a control method of the display device, which comprises the following steps: s1: transmitting the first electric signal to the main control unit through the contact connection unit; s2: the main control unit identifies the first electric signal and further transmits the first electric signal to the display control module; and S3: the display control module identifies and reads the relevant instructions of the first electric signals so as to control the working states of the pixel units in the display screens. Through steps S1 to S3, in the display device, the control of the plurality of tiled display screens by the fixing element can be realized, so as to adjust the working state between the plurality of tiled display screens, thereby showing that the display pixels, the size of the display area, and the like of the display device can be controlled.
[ description of the drawings ]
FIG. 1 is a schematic structural diagram of a display panel according to a first embodiment of the present invention;
FIG. 2 is a schematic view of another structure of the display panel according to the first embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a plurality of tiled display screens according to a first embodiment of the present invention;
FIG. 4 is a schematic view of another structure of the display screen according to the first embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a display device according to a second embodiment of the present invention;
FIG. 6 is a schematic view of another structure of a display device according to a second embodiment of the present invention;
FIG. 7 is a schematic view of another structure of a display device according to a second embodiment of the present invention;
FIG. 8 is a schematic view of another structure of a display device according to a second embodiment of the present invention;
FIG. 9 is a schematic view of another structure of a display device according to a second embodiment of the present invention;
FIG. 10 is a schematic structural diagram of a communication unit according to a second embodiment of the present invention;
fig. 11 is a flowchart of a control method of a display device of a third embodiment of the present invention;
fig. 12 is a schematic structural diagram of a control method of a display device according to a third embodiment of the present invention.
Description of reference numerals:
10. a display device; 20. a main control unit; 30. a power supply module; 40. a communication unit; 41. a wired communication module; 42. 5G communication module; 43. a wifi communication module; 50. a fixing member; 60. a display control module; 70. a display screen; 71. a contact; 72. a permanent magnet; 721. a first permanent magnet; 73. an electromagnet; 731. a second electromagnet; 80. a contact connecting unit; 821. a second permanent magnet; 831. a first electromagnet; 90. a cloud server; 100. a display module; 101. a power supply unit; 103. a control unit; 110. a light source module; 120. a flexible substrate.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 2, a display screen 70 according to a first embodiment of the present invention includes a display module 100, a power supply unit 101, a contact connection unit 80, and a control unit 103, wherein the power supply unit 101 is electrically connected to the display module 100, the contact connection unit 80, and the control unit 103, respectively, and provides an electric energy source for the display module 100, the contact connection unit 80, and the control unit 103. The control unit 103 is electrically connected to the contact connection unit 80 and controls signal transmission of the contact connection unit 80. The power supply unit 101 is disposed on a non-display side of the display module 100, and the contact connection unit 80 is disposed on a peripheral side of the display module 100.
Optionally, in some specific embodiments, the display module 100 further includes a flexible substrate 120 and a plurality of light source modules 110 disposed on the flexible substrate 120, that is, the display screen 70 is composed of at least one light source module 110. Both the light source module 110 and the flexible substrate 120 can be curled, and when the light source module 110 is fixed on the flexible substrate 120, the curling degree of the light source module 110 and the flexible substrate 120 is consistent. In the present invention, "flexible" refers to the ability of a material, structure, device or device component to reversibly deform into a curved shape without significant damage.
The power supply unit 101 receives internal or external power and supplies the power to various elements within the display screen 70, including but not limited to the display module 100, the contact connection unit 80, and the control unit 103, under the control of the control unit 103. The power supply unit 101 may be a wireless charging coil or a contact type charging port, and specifically, the power supply unit 101 may be any one or a combination of several of a built-in storage battery, a wireless charging coil or a contact type charging port, and is electrically connected to the outside through the power supply unit 101 of the display screen 70 to supply power to the display screen. Alternatively, in some embodiments, the power supply unit 101 may be a battery, and the battery may be an embedded battery or a replaceable battery.
Referring to fig. 2 and 3, in some embodiments, the thickness of the display module 100 is 20 μm to 1cm, and further, the thickness of the display module 100 may be 0.5mm to 1mm, and specifically, the distance is any one of 0.5mm, 0.6mm, 0.7mm, 0.8mm, or 0.9 mm. The contact connection unit 80 includes a plurality of contacts 71 disposed at the peripheral edges of the display modules 100, and when the contacts 71 between each display module 100 contact and overlap with each other, the contacts 71 realize the splicing between the display screens 70 and the transmission of signal data or electric energy between the display screens 70.
Optionally, in some specific embodiments, in order to achieve seamless splicing, the contact 71 on one side of the display screen 70 may be configured as a male opening (not shown), and the side of the display screen 70 opposite to the male opening may be configured as a female opening (not shown), when two display screens are spliced, the two display screens may directly contact each other directly or indirectly through the contact 71 on different display screens 70, and then a signal line is not needed to connect the display screens 70. The display screen 70 is further provided with a signal interface (not shown), and when one of the male port and the female port of the display screen 70 is damaged, a spare signal interface can be used for transmitting data signals.
Referring to fig. 4, the light source module 110 includes a plurality of pixel units, and the control unit 103 (not shown) is electrically connected to the plurality of pixel units to further control the operating states of the plurality of pixel units. Each pixel unit comprises at least three LED chips, preferably, each pixel unit comprises three, four or five LED chips, and at least three LED chips are arranged in a straight line shape, an L-shaped shape, a triangle shape or a square shape. In some specific embodiments, each pixel unit includes RGB LED chips, and each pixel unit includes R-LED chips, G-LED chips, and B-LED chips, wherein the R-LED chips, the G-LED chips, and the B-LED chips are arranged in a line, an L, a delta, or a square. The pixel unit adjusts the corresponding working state based on the signal transmission change. It should be understood that the working state described herein and below refers to that the pixel units are controlled in different manners so that the display screen can correspondingly display images with different resolutions, thereby changing the corresponding display resolution of the display screen. The display resolution is the resolution of the display when displaying images, and the resolution is measured by pixel units. The numerical value of the display resolution refers to the number of horizontal pixels and vertical pixels across all the viewable area of the display. For example, the resolution of 800 × 600 means that 800 pixels are horizontally displayed and 600 pixels are vertically displayed on the entire screen. Under the control of signal transmission change, the pixel units can correspond to different display resolutions, such as 1024 × 768, which means that the display can display 768 rows and 1024 columns, and 786432 pixel units in total can be displayed; the resolution is 640 × 480, which means that the display can display 480 rows and 640 columns, and can display 307200 pixel units in total. That is, the different working states of the pixel units may correspond to the display resolution of the display screen 10.
It is understood that the color of each pixel unit may be different, that is, each pixel unit may include red R, green G and blue B LED chips, and the LED chips of these colors may form a pixel unit, or may form a pixel unit by combining with at least one of the red R, green G and blue B LED chips, in short, the color of the LED chip included in the pixel unit may be various, or may be various combinations, and correspondingly, the LED chip may include different pixel units formed by different color combinations, which may be designed according to the color display and different display requirements.
Optionally, in some specific embodiments, the maximum size of the LED chip is 0.01mm to 1mm, the LED chips are spaced apart, and a distance between any two adjacent LED chips is 0.01mm to 0.75 mm. Further, the pitch may also be 0.1mm to 0.6mm, specifically, any one of 0.01mm, 0.05mm, 0.1mm, 0.4mm, 0.6mm, or 0.75 mm. The thickness of the flexible substrate 120 is 10 μm-2 mm; further, the thickness of the flexible substrate 120 may also be 20 μm to 1mm, and specifically, the thickness of the flexible substrate 120 is any one of 10 μm, 20 μm, 50 μm, 0.5mm, 0.8mm, 1mm, or 2 mm.
Referring to fig. 5 and fig. 6, a display device 10 according to a second embodiment of the present invention includes a fixing element 50, and at least two display screens 70 detachably connected to the fixing element 50 in the first embodiment, where the display screens 70 may be spliced and fixed onto the fixing element 50, a main control unit 20, a power module 30 electrically connected to the main control unit 20, a communication unit 40, and a display control module 60 are integrated on the fixing element 50, the main control unit 20 is used for transmitting signals among the power module 30, the communication unit 40, and the display control module 60 is electrically connected to a control unit 103 (not shown) on the display screen 70 respectively, so as to control working states of pixel units on the display screen. The communication unit 40 is configured to communicate with an external cloud server 90 for information transmission, and the display control module 60 is configured to control the pixel unit switches on the display screen 70 to change the display resolution of the display screen 70.
Referring to fig. 5 and fig. 6, the main control unit 20 is disposed on the fixing member 50 of the display device 10, the display device 10 includes a plurality of display screens 70, and the plurality of display screens 70 are electrically connected to the main control unit 20. The contact connection unit 80 is electrically connected to the main control unit 20, the contact connection unit 80 includes contacts 71, and the contacts 71 are disposed at the peripheral edge of each display screen 70 to realize the splicing between the display screens 70 and the signal transmission between the display screens 70. Specifically, when the contact connection units 80 of any two or more display screens 70 are electrically connected, the contact connection units 80 transmit first electrical signals to the main control unit 20, the main control unit 20 sends control signals to the display control module 60 after receiving the first electrical signals, and the display control module 60 transmits the control signals to the control unit 103 to control the working state of the pixel units on the display screens 70
The fixing member 50 is provided with a display control module 60, the display control module 60 is used for controlling the working states of the pixel units in the plurality of display screens 70, the resolution of the plurality of display screens 70 is adjustable by controlling the working states of the pixel units in the plurality of display screens 70, and when all the pixel units in the display screens 70 are opened, the plurality of spliced display screens 70 achieve the best display effect.
The thickness of the display device 10 is 0.1mm-25mm, the thickness of the display screen 70 is 0.05-8mm, and the plurality of display screens 70 are connected with the fixing member 50 through pogopin after being spliced. The pogopin can be any one of a threaded thimble and an elastic thimble, the display screen 70 is connected with the fixing piece 50 through the pogopin, the display screen 70 can be finely adjusted, the flatness of the display screens 70 can be adjusted by adjusting the stretching amplitude of the pogopin, and the fine adjustment of the flatness among the display screens 70 is realized; the flatness and the definition of the display screen are guaranteed, and the display effect is more excellent.
And (4) optional. In other embodiments, the display screen 70 and the fixing member 50 may be connected by a metal spring, a snap, or an adhesive, and is not limited to the pogopin connection manner.
Alternatively, in some other embodiments, the fixing member 50 may also be an electrical connector such as a back plate, a wall, or a column, which can directly fix the plurality of spliced display screens 70.
Optionally, in some other embodiments, a plurality of the display screens 70 may be assembled to the fixing member 50 after being spliced, or a plurality of the display screens 70 may be assembled to the fixing member 50 before being spliced.
Besides the above mentioned manner of the embodiment, the fixing between the plurality of spliced display screens 70 and the fixing member 50 can be achieved by directly connecting a plurality of the display screens 70 through a lateral connecting structure, or by assembling a plurality of the display screens 70 to the corresponding positions on the fixing member 50, and these changes are within the protection scope of the present invention.
Referring to fig. 7, a non-display surface of the display screen 70 and a surface of the fixing member 50 opposite to the display screen 70 are shown, each display screen 70 is provided with at least one permanent magnet 72, one side of the fixing member 50 facing the display screen 70 is provided with an electromagnet 73 matched with the display screen 70, the electromagnet 73 is electrically connected with the main control unit 20, and the magnetic poles of the electromagnet 73 are electrically controlled by the main control unit 20 so that the permanent magnets 72 and the electromagnet 73 attract or repel each other. When the plurality of display screens 70 are assembled on the fixing member 50 after being spliced, the magnetic poles of the electromagnets 73 are controlled by the main control unit 20 on the fixing member 50 to be opposite to the magnetic poles of the permanent magnets 72 on the display screens 70, and the permanent magnets 72 on the display screens 70 and the electromagnets 73 on the fixing member 50 are attracted in an opposite direction, so that the plurality of display screens 70 are assembled on the fixing member 50.
Further, the main control unit 20 on the fixed member 50 controls the magnetic poles of the electromagnets 73 to be the same as the magnetic poles of the permanent magnets 72 on the display screens 70, and the permanent magnets 72 on the display screens 70 and the electromagnets 73 on the fixed member 50 repel each other in the same polarity so that the plurality of display screens 70 are detached from the fixed member 50.
Referring to fig. 8, an alternative embodiment is shown. The display screen 70 is provided with a plurality of first permanent magnets 721, the fixing member 50 is correspondingly provided with a second permanent magnet 821 and a first electromagnet 831 which are respectively matched with the first permanent magnets 721, the first electromagnet 831 is electrically connected with a main control unit 20 (not shown), the magnetic pole of the first electromagnet 831 is electrically controlled by the main control unit 20, and the magnetic force between the first permanent magnets 721 and the first electromagnet 831 is much larger than that between the first permanent magnets 721 and the second permanent magnets 821. The first permanent magnet 721 is opposite to the second permanent magnet 821 in magnetic pole, and the display screen 70 is magnetically connected to the fixing member 50 by the first permanent magnet 721.
When the first permanent magnet 721 is magnetically connected to the second permanent magnet 821, the magnetic pole of the first electromagnet 831 is electrically controlled by the main control unit 20 on the fixing member 50, specifically, the first electromagnet 831 is charged by the main control unit 20, so that the magnetic pole of the first electromagnet 831 is opposite to the magnetic pole of the first permanent magnet 721, and the first permanent magnet 721 is respectively magnetically connected to the first electromagnet 831 and the second permanent magnet 821, so as to further assemble the plurality of display screens 70 on the fixing member 50.
Further, when the plurality of display screens 70 need to be detached from the fixing member 50, the main control unit 20 electrically controls the magnetic poles of the first electromagnet 831, and the main control unit 20 reversely charges the first electromagnet 831, so that the magnetic poles of the first electromagnet 831 are the same as the magnetic poles of the first permanent magnet 721, the first electromagnet 831 and the first permanent magnet 721 repel each other in the same polarity, and the repulsive force between the first electromagnet 831 and the first permanent magnet 721 is much larger than the attractive force between the first permanent magnet 721 and the second permanent magnet 821, thereby facilitating the detachment of the plurality of display screens 70 from the fixing member 50. When the main control unit 20 de-energizes the first electromagnet 831, the display screen 70 and the fixing member 50 are directly connected with the first permanent magnet 721 and the second permanent magnet 821. By energizing, de-energizing or reversely energizing the first electromagnet 831, the magnetic pole of the first electromagnet 831 is changed to further attract or repel the first permanent magnet 721, so that the mounting and dismounting of the fixing member 50 and the display screen 70 are realized.
Referring to fig. 9, alternatively, another modified embodiment is provided. The display screen 70 is provided with a second electromagnet 731, and the second electromagnet 731 is electrically connected to the control unit 103 (not shown). The magnetic pole of the second electromagnet 731 is controlled by the control unit 103, and the second electromagnet 731 is connected with the first electromagnet 831 or the second permanent magnet 821 arranged on the fixing member 50, so that the detachable connection between the display screen 70 and the fixing member 50 is realized.
Besides the above mentioned manner of the embodiment, the display screen 70 and the fixing member 50 may be fixed by using paired electromagnets, or may be fixed by using paired electromagnets at one end and paired electromagnets and permanent magnets at the other end, or may be fixed by using paired electromagnets and permanent magnets, and these modifications are within the scope of the present invention.
Referring to fig. 10, in the embodiment, the display device 10 can obtain communication information from the cloud server 90 through the communication unit 40, and the communication unit 40 includes any one or a combination of a wired communication module 41, a 5G communication module 42, and a wifi communication module 43. It is understood that in other embodiments, the communication unit 40 may be other wireless communication modules.
All be provided with on display screen 70 and mounting 50 5G communication module 42 and wifi communication module 43, still be provided with wired communication module 41 on the mounting 50, it is a plurality of assemble after the concatenation of display screen 70 during on the mounting 50, display screen 70 and mounting 50 accessible wired communication module 41, 5G communication module 42 or wifi communication module 43 realize the transmission of communication information between display screen 70 and the mounting 50. When the single display screen 70 is used independently, the display screen 70 can realize the transmission of communication information with an external device (not shown) through the 5G communication module 42 or the wifi communication module 43.
In this embodiment, the display screen 70 is a flexible display screen, the fixing member 50 includes a plurality of connecting plates (not shown), the plurality of connecting plates are electrically connected to the display screen 70, the connecting plates can be fixedly disposed on a wall, a cabinet or a bracket of the display screen 70 to be hung, the plurality of connecting plates (not shown) are rotatably connected to each other through a hinge structure (not shown), and when the plurality of display screens 70 are assembled to the fixing member 50, the display device 10 can be folded. Alternatively, in some embodiments, the folding manner of the display device 10 may be any of a plurality of folding manners, such as a rotating shaft, a hinge, or a rolling manner, and these changes are within the scope of the present invention.
Optionally, in some specific embodiments, the display screens 70 are rotatably connected by a connection manner of a rotating shaft or a hinge (not shown), a large screen formed by splicing a plurality of display screens 70 can be connected to the fixing member 50 by the rotating shaft or the hinge between the display screens 70, and the fixing member 50 may be any one of an annular cylinder, an arc-shaped wall, and the like.
In this embodiment, the display screens 70 can be connected by any one of a plurality of connection methods, such as clamping, magnetic connection, and snap connection. The LED chip arrays can be arranged on the periphery of the outer frame of the display screen 70, and the display gaps at the spliced positions are respectively filled with the LED chip arrays when the display screens 70 are spliced, so that seamless splicing among the display screens 70 is realized.
Referring to fig. 11, a third embodiment of the invention provides a method for controlling a display device 10, including the following steps:
s1: transmitting the first electrical signal to the main control unit 20 through the contact connection unit 80;
s2: the main control unit 20 recognizes the first electrical signal and further transmits the first electrical signal to the display control module 60; and
s3: the display control module 60 recognizes and reads the related commands of the first electrical signals to control the operating states of the pixel units in the plurality of display screens 70.
Specifically, in step S2, the display control module 60 includes a plurality of switches, each switch corresponds to at least one pixel unit on the light source module 110, and the switch is used to open or close a light emitting channel of the pixel unit; in step S3, the display control module 60 controls the switch array to control the operation of the plurality of pixel units. After the plurality of spliced display screens 70 are mounted on the fixing member 50, the contact connection unit 80 transmits the first electrical signal to the main control unit 20, the main control unit 20 recognizes the first electrical signal and further transmits the first electrical signal to the display control module 60, and the display control module 60 recognizes and reads a related instruction of the first electrical signal to control the on or off of the LED chips in the plurality of display screens 70. Optionally, in some specific embodiments, the LED chip of each pixel unit includes an independent positive pad (not shown) and a separate negative pad (not shown), the positive pad and the negative pad of the LED chip are electrically connected through the display control module 60, and the display control module 60 can individually control each LED chip in the LED chip array to emit light.
Referring to fig. 12, optionally, in some embodiments, each pixel unit is led out from a gap between adjacent pixel units by an independent electrode line and electrically connected to the corresponding display control module 60 on the fixing member 50 (not shown). Each pixel cell of the display screen 70 is independently controlled, and some pixel cells can be turned off according to the resolution. The mutual interference among the pixel units which are independently controlled is small, the power consumption is low, and the display screen is suitable for being used as a large screen or an outdoor display screen.
Compared with the prior art, the display screen, the display device and the control method of the display device provided by the invention have the following beneficial effects:
1. the utility model provides a display screen, display screen includes display module assembly, contact linkage unit and the control unit, and the contact linkage unit sets up on the display module assembly, the control unit with contact linkage unit electric connection and control contact linkage unit's signal transmission, the display screen comprises an at least light source module, and light source module includes multiunit pixel unit, and pixel unit changes in order to adjust corresponding operating condition based on signal transmission. The display screen can be spliced, the size of the display screen can be not limited by the size of the existing production equipment, and the display screen can be conveniently and rapidly switched between small-size display and large-size display, so that the requirements of large-size display and portable display are met.
2. The display requirements of different size settings can be met by splicing a plurality of display screens, and the spliced display screens can be widely applied to various scenes. The large-size display screen formed by splicing the plurality of display screens is convenient to transport and mount, and is beneficial to reducing the cost and improving the yield of the display screen in production and preparation.
3. The contact connection unit comprises a plurality of contacts, the contacts are arranged at the edge of the display module, and the contacts transmit signal data between the display screens. The signal transmission among the spliced display screens is realized through the contacts, so that the signal intercommunication among the display screens is facilitated.
4. Each pixel unit at least comprises an R-LED chip, a G-LED chip and a B-LED chip, wherein the R-LED chips, the G-LED chips and the B-LED chips are arranged in a straight shape, an L shape, a triangle shape or a square shape. And various arrangement modes are provided, and different display effects of the display screen are realized.
5. The display screen also comprises a power supply unit which is respectively electrically connected with the display module, the contact connecting unit and the control unit and provides electric energy for the display module, the contact connecting unit and the control unit; the power supply unit comprises any one or a combination of a plurality of built-in storage batteries, wireless charging coils or contact type charging ports. The power supply unit supplies power to the display screen to ensure that the display screen can be used independently and improve the portability of the display screen.
6. The display module comprises a flexible substrate, a plurality of light source modules are arranged on the flexible substrate, and the light source modules and the flexible substrate can be curled or folded; or the display module comprises a plurality of display units, and the display units are connected through hinges or rotating shafts. The display screen can be flexibly folded to improve the display effect, and a plurality of flexibly spliced display screens can be installed on an annular wall body or a curved wall body to realize the effect of a large outdoor advertising screen.
7. The invention also provides a display device which comprises at least two display screens, wherein the display device comprises a main control unit, a contact connecting unit and a display control module, wherein the contact connecting unit is electrically connected with the main control unit; the display device further comprises a fixing piece, the main control unit and the display control module are arranged on the fixing piece, and the fixing piece is detachably connected with the display screens. The working state of the display screens which are spliced is controlled through the fixing piece, the display screens can be assembled on the fixing piece after being spliced to form a whole large-size screen, and a single independent display screen can be detached from the spliced screen to be taken out and used, so that the practicability is high.
8. The display screen is provided with a permanent magnet, the fixing part is provided with an electromagnet matched with the permanent magnet, the permanent magnet and the electromagnet are arranged oppositely, the magnetic pole of the electromagnet is controlled through electrifying, powering off or reversely electrifying the electromagnet, so that the display screen is assembled and disassembled on the fixing part, or the display screen is provided with a plurality of first permanent magnets, the fixing part is provided with a second permanent magnet and a first electromagnet which are respectively matched with the first permanent magnets, the first electromagnet is electrically connected with the main control unit, the magnetic poles of the first permanent magnet and the second permanent magnet are opposite, and the connection or the disassembly of the first electromagnet and the first permanent magnet is realized through electrifying, powering off or reversely electrifying the first electromagnet by the main control unit. Through setting up the relation cooperation between electromagnet and the permanent magnet between display screen and the mounting, realize that the display screen assembles to the mounting on firmly, also make things convenient for the display screen to dismantle from the mounting to can make things convenient for on user's equipment a plurality of display screens to the mounting.
9. The display device further comprises a communication unit connected with the main control unit, and the communication unit comprises a wifi communication module, a 5G communication module and a wired communication module. Be provided with any kind or several kinds of combinations in 5G communication module and the wifi communication module on display screen and the mounting, still set up wired communication module on the mounting, when assembling on the mounting after a plurality of display screen concatenations, display screen and mounting accessible wired communication module, 5G communication module or wifi communication module realize the transmission of communication information between display screen and the mounting, when single display screen independent utility, the transmission of communication information between display screen accessible 5G communication module or wifi communication module realization and the external equipment. Through the communication transmission between the display screen of mounting and a plurality of concatenations, make things convenient for the signal transmission between the display screen of mounting and a plurality of concatenations, make things convenient for the mounting to control the display screen of a plurality of concatenations. When the display screen is used independently, the display screen can also realize the transmission of communication information with external equipment through 5G or wifi.
10. The mounting includes a plurality of connecting plates, a plurality of connecting plates with display screen electric connection, it is a plurality of realize rotating through hinge or pivot between the connecting plate and connect, it is a plurality of the display screen assembly extremely during on the mounting, display device can realize folding. The display screen is folded by folding the connecting plates to drive the display screen to be spliced, so that the effect of a large-scale curved surface display screen is achieved.
11. The invention also provides a control method of the display device, which comprises the following steps: s1: transmitting the first electric signal to the main control unit through the contact connection unit; s2: the main control unit identifies the first electric signal and further transmits the first electric signal to the display control module; and S3: the display control module identifies and reads the relevant instructions of the first electric signals so as to control the working states of the pixel units in the display screens. Through steps S1 to S3, in the display device, the control of the plurality of tiled display screens by the fixing element can be realized, so as to adjust the working state between the plurality of tiled display screens, thereby showing that the display pixels, the size of the display area, and the like of the display device can be controlled.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A display screen, its characterized in that: the display screen includes display module assembly, contact linkage unit and the control unit, the contact linkage unit sets up on the display module assembly, the control unit with contact linkage unit electric connection and control the signal transmission of contact linkage unit, the display screen comprises an at least light source module, light source module includes multiunit pixel unit, pixel unit changes in order to adjust corresponding operating condition based on signal transmission.
2. The display screen of claim 1, wherein: the contact connection unit comprises a plurality of contacts, the contacts are arranged at the edge of the display module, and the contacts transmit signal data between the display screens.
3. The display screen of claim 1, wherein: each pixel unit at least comprises an R-LED chip, a G-LED chip and a B-LED chip, wherein the R-LED chips, the G-LED chips and the B-LED chips are arranged in a straight shape, an L shape, a triangle shape or a square shape.
4. The display screen of claim 1, wherein: the display screen also comprises a power supply unit which is respectively electrically connected with the display module, the contact connecting unit and the control unit and provides electric energy for the display module, the contact connecting unit and the control unit; the power supply unit comprises any one or a combination of a plurality of built-in storage batteries, wireless charging coils or contact type charging ports.
5. The display screen of claim 1, wherein: the display module comprises a flexible substrate, a plurality of light source modules are arranged on the flexible substrate, and the light source modules and the flexible substrate can be curled or folded; or the display module comprises a plurality of display units, and the display units are connected through hinges or rotating shafts.
6. A display device, characterized in that: the display device comprises at least two display screens according to any one of claims 1 to 5, the display device comprises a main control unit, a contact connection unit and a display control module, wherein the contact connection unit is electrically connected with the main control unit, the contact connection unit is arranged on the display screen, when the contact connection units of any two or more display screens are electrically connected, a first electric signal is transmitted to the main control unit through the contact connection unit, and the main control unit sends a control signal to the display control module after receiving the first electric signal so as to control the working state of a pixel unit on the display screen; the display device further comprises a fixing piece, the main control unit and the display control module are arranged on the fixing piece, and the fixing piece is detachably connected with the display screens.
7. The display device as recited in claim 6, wherein: the display screen is provided with a permanent magnet, the fixing part is provided with an electromagnet matched with the permanent magnet, the permanent magnet and the electromagnet are arranged oppositely, the magnetic pole of the electromagnet is controlled through electrifying, powering off or reversely electrifying the electromagnet, so that the display screen is assembled and disassembled on the fixing part, or the display screen is provided with a plurality of first permanent magnets, the fixing part is provided with a second permanent magnet and a first electromagnet which are respectively matched with the first permanent magnets, the first electromagnet is electrically connected with the main control unit, the magnetic poles of the first permanent magnet and the second permanent magnet are opposite, and the connection or the disassembly of the first electromagnet and the first permanent magnet is realized through electrifying, powering off or reversely electrifying the first electromagnet by the main control unit.
8. The display device of claim 7, wherein: the display device further comprises a communication unit connected with the main control unit, and the communication unit comprises any one or combination of a wifi communication module, a 5G communication module and a wired communication module.
9. The display device of claim 7, wherein: the mounting includes a plurality of connecting plates, a plurality of connecting plates with display screen electric connection, it is a plurality of realize rotating the connection through hinge or pivot between the connecting plate, it is a plurality of the display screen assembly extremely when on the mounting, display device can realize folding.
10. A control method of a display device, characterized by: which is performed based on the display device described in claim 6, the control method of the display device comprising the steps of:
s1: transmitting the first electric signal to the main control unit through the contact connection unit;
s2: the main control unit identifies the first electric signal and further transmits the first electric signal to the display control module; and
s3: the display control module identifies and reads the relevant instructions of the first electric signals so as to control the working states of the pixel units in the display screens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911246976.6A CN110930892A (en) | 2019-12-06 | 2019-12-06 | Display screen, display device and control method of display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911246976.6A CN110930892A (en) | 2019-12-06 | 2019-12-06 | Display screen, display device and control method of display device |
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| CN110930892A true CN110930892A (en) | 2020-03-27 |
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| CN201911246976.6A Withdrawn CN110930892A (en) | 2019-12-06 | 2019-12-06 | Display screen, display device and control method of display device |
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