CN112802406A - Special-shaped flexible LED transparent display screen control system - Google Patents
Special-shaped flexible LED transparent display screen control system Download PDFInfo
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- CN112802406A CN112802406A CN202110144647.1A CN202110144647A CN112802406A CN 112802406 A CN112802406 A CN 112802406A CN 202110144647 A CN202110144647 A CN 202110144647A CN 112802406 A CN112802406 A CN 112802406A
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 36
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 239000011159 matrix material Substances 0.000 claims abstract description 12
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052709 silver Inorganic materials 0.000 claims abstract description 4
- 239000004332 silver Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 8
- 239000007769 metal material Substances 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000012958 reprocessing Methods 0.000 claims description 2
- 206010066054 Dysmorphism Diseases 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
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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
- 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
- G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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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
本发明提供一种异形柔性LED透明显示屏控制系统包括：电源与电源连接的异形柔性LED透明显示屏、控制器；异形柔性LED透明显示屏包括LED点阵、FPC连接器、驱动条、透明基板、刻蚀在透明基板上的金属网栅导线、金属实线以及焊盘；金属网栅导线连接FPC连接器与焊盘，LED点阵通过银浆与焊盘连接；FPC连接器连接驱动条且设置在显示屏的两端；控制器包括上位机、FPGA控制器以及ARM处理器；ARM处理器接收上位机的数据并将数据传送到FPGA控制器，再由FPGA控制器根据上位机数据将视频数据分发到各个所述驱动条，实现对异形柔性LED透明显示屏的控制。
The invention provides a special-shaped flexible LED transparent display screen control system comprising: a special-shaped flexible LED transparent display screen connected with a power supply and a controller; the special-shaped flexible LED transparent display screen includes an LED dot matrix, an FPC connector, a driving strip, and a transparent substrate , Metal grid wires, solid metal wires and pads etched on the transparent substrate; the metal grid wires are connected to the FPC connector and the pad, and the LED dot matrix is connected to the pad through the silver paste; the FPC connector is connected to the driving strip and Set at both ends of the display screen; the controller includes the host computer, the FPGA controller and the ARM processor; the ARM processor receives the data from the host computer and transmits the data to the FPGA controller, and then the FPGA controller converts the video according to the host computer data. The data is distributed to each of the driving strips to realize the control of the special-shaped flexible LED transparent display screen.
Description
Technical Field
The invention relates to the technical field of LED display screens, in particular to a control system of a special-shaped flexible LED transparent display screen.
Background
At present, the development of the transparent LED display screen industry is rapid, and the transparent LED display screen is widely applied to the aspects of important exhibitions and high-end product display especially in large markets. Most of the flexible LED transparent display screens commonly used at present are standard squares or rectangles, and large-scale production and control are facilitated. However, in the practical application process, the attached plane has a protrusion or is not standard in shape, and cannot meet all engineering requirements. The application range and the application effect of the flexible transparent display screen can be further expanded by applying the special-shaped screen. Compared with the driving of a conventional screen, the special-shaped screen has the defect that the positions of LEDs cannot completely correspond to video sources through mapping. Improvements in control systems are needed. And for the special-shaped screen, large-scale production cannot be realized, and if the driving strip is independently designed for each special-shaped screen, the cost is very high.
Disclosure of Invention
According to the technical problem provided by the invention, a control system of the special-shaped flexible LED transparent display screen is provided.
The technical means adopted by the invention are as follows:
a control system of a special-shaped flexible LED transparent display screen comprises: the special-shaped flexible LED transparent display screen is connected with the power supply and the controller;
the special-shaped flexible LED transparent display screen comprises an LED dot matrix, an FPC connector, a driving strip, a transparent substrate, a metal mesh grid lead etched on the transparent substrate, a metal solid line and a bonding pad; the metal mesh grid lead is connected with the FPC connector and the bonding pad, and the LED dot matrix is connected with the bonding pad through silver paste; the FPC connector is connected with the driving strip and arranged at two ends of the display screen;
the controller comprises an upper computer, an FPGA controller and an ARM processor; the ARM processor receives data of the upper computer and transmits the data to the FPGA controller, and the FPGA controller distributes video data to the driving strips according to the data of the upper computer to control the special-shaped flexible LED transparent display screen.
Further, the upper computer generates a video source with the same resolution as that of the special-shaped flexible LED transparent display screen, and video pixels are reprocessed and arranged to be matched with the special-shaped flexible LED transparent display screen.
Further, the metal solid line is arranged at a position surrounding the mounting hole of the special-shaped flexible LED transparent display screen to conduct signals and current.
Further, the arrangement positions of the LED lamps at the mounting holes are removed or the arrangement positions of the LEDs are compressed to reserve the positions of the mounting holes;
when the position of the mounting hole is reserved by removing the LED lamp at the mounting hole, the upper computer removes the LED control signal in the area, and the output control signal is ensured to correspond to the actual LED lamp;
when the arrangement positions of the LEDs are compressed to reserve the positions of the mounting holes, the upper computer calculates control signals of actual positions of the LED pixels in the area by a bilinear interpolation method, and the control signals are used for avoiding distortion of actual display images caused by position compression of the LEDs.
Further, the LED chips of the LED dot matrix are connected in series.
Furthermore, the special-shaped flexible LED transparent display screen further comprises a transparent protective layer for protecting the metal mesh grid wires.
Furthermore, the transparent protective layer is hollowed out at the position of the bonding pad of the transparent substrate.
Furthermore, the metal mesh wire is made of Ag conductive metal material or Cu conductive metal material, the surface of the metal mesh wire is discontinuous, and the line width of a single metal mesh wire is in the micron level.
Further, the transparent substrate is made of a PET, PI or COP flexible transparent material.
Compared with the prior art, the invention has the following advantages:
1. according to the control system of the special-shaped flexible LED transparent display screen, the metal solid line is adopted to replace a metal mesh grid wire at the mounting hole position of the special-shaped flexible LED transparent display screen, so that the conductive efficiency is improved.
2. The control system for the special-shaped flexible LED transparent display screen is suitable for the special-shaped flexible LED transparent display screen by re-editing data on the basis of the conventional driving strip, and is low in cost.
Based on the reason, the invention can be widely popularized in the fields of LED display screens and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a conventional special-shaped flexible LED transparent display screen according to the present invention.
Fig. 2 is a schematic diagram of an actual layout of a metal grid and an LED pad according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of an actual engineering effect provided by an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a controller according to an embodiment of the present invention.
Fig. 5 is a schematic view of a special-shaped flexible LED transparent display screen according to an embodiment of the present invention.
Fig. 6 is a schematic view of another special-shaped flexible LED transparent display screen provided in an embodiment of the present invention.
Fig. 7 is a schematic cross-sectional view of a special-shaped flexible LED transparent display screen provided in an embodiment of the present invention.
Fig. 8 is a schematic diagram of a bilinear interpolation method according to an embodiment of the present invention.
In the figure: 101. a transparent substrate; 102. an LED dot matrix; 103. an FPC connector; 104. a metal mesh grid wire; 105. a solid line of metal; 106. a transparent protective layer; 107. a drive bar; 108. a connecting claw; 109. a power source; 110. and a controller.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
As shown in fig. 1-3, the present invention provides a control system for a special-shaped flexible LED transparent display screen, comprising: the special-shaped flexible LED transparent display screen is connected with the power supply and the controller;
the special-shaped flexible LED transparent display screen comprises an LED dot matrix 102, an FPC connector 103, a driving strip 107, a transparent substrate 101, a metal mesh grid lead 104 etched on the transparent substrate 101, a metal solid line 105 and a bonding pad; the metal mesh grid lead 104 is connected with the FPC connector 103 and the bonding pad, and the LED dot matrix 102 is connected with the bonding pad through silver paste; the FPC connector 103 is connected with the driving bar 107 and arranged at two ends of the display screen;
the controller comprises an upper computer, an FPGA controller and an ARM processor; the ARM processor receives data of the upper computer and transmits the data to the FPGA controller, and the FPGA controller distributes video data to the driving strips according to the data of the upper computer to control the special-shaped flexible LED transparent display screen. In this embodiment, the controller may control a plurality of display screens, and the effect of simultaneous linkage of multiple screens is achieved by transmitting control signals in parallel. As shown in fig. 4, the upper computer decodes the video, the arranged data are transmitted to the controller, the controller receives the data and distributes the data to each sub-control unit, the sub-control units read the data and convert the data into return-to-zero codes, and the drive unit controls the special-shaped flexible LED transparent display screen.
In specific implementation, as a preferred embodiment of the present invention, the upper computer generates a video source with the same resolution as that of the special-shaped flexible LED transparent display screen, and matches the video source with the special-shaped flexible LED transparent display screen by reprocessing and arranging video pixels.
In specific implementation, as a preferred embodiment of the invention, the arrangement positions of the LED lamps at the mounting holes are removed or the arrangement positions of the LEDs are compressed to reserve the positions of the mounting holes; in this embodiment, the docking claw 108 is installed at the mounting hole, as shown in fig. 5, when the mounting hole is reserved by removing the LED lamp at the mounting hole, the upper computer removes the LED control signal in the area, and ensures that the output control signal corresponds to the actual LED lamp; as shown in fig. 6, when the arrangement positions of the LEDs are compressed to reserve the positions of the mounting holes, the upper computer calculates the control signals of the actual positions of the LEDs in the area by using a bilinear interpolation method, so as to avoid distortion of the actually displayed image caused by the position compression of the LEDs. As shown in fig. 8, the bilinear interpolation method for calculating the data of the actual point is illustrated by the following formula:
in specific implementation, as a preferred embodiment of the present invention, the LED lamps except for the mounting position of the connection claw 108 are powered and signal-transmitted by using the metal mesh grid wire 104, so as to ensure transparency, the entire width of the metal mesh grid wire 104 near the mounting hole is affected and cannot bear working current for a long time, the metal mesh grid wire 105 is electrically connected, and the metal mesh grid wire 105 is tightly attached to the mounting position, so as to ensure the transparency to the maximum.
In specific implementation, as a preferred embodiment of the present invention, as shown in fig. 7, the special-shaped flexible LED transparent display screen further includes a transparent protection layer 106 for protecting the metal grid wires 104. And the transparent protection layer 106 is hollowed out at the pad position of the transparent substrate 101.
In specific implementation, as a preferred embodiment of the present invention, the metal solid line 105 is disposed at a position surrounding the mounting hole of the special-shaped flexible LED transparent display screen to conduct signals and current, so as to improve the conductive efficiency.
In specific implementation, as a preferred embodiment of the present invention, the LED chips of the LED dot matrix 102 are connected in series, and one signal line can control the whole screen.
In specific implementation, as a preferred embodiment of the present invention, the metal mesh wire 104 is made of an Ag conductive metal material or a Cu conductive metal material, a surface of the metal mesh wire 104 is discontinuous, and a line width of a single metal mesh wire 104 is in a micrometer level. The transparent substrate 101 is made of a flexible transparent material such as PET, PI, or COP.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a flexible LED transparent display screen control system of dysmorphism which characterized in that includes: the special-shaped flexible LED transparent display screen is connected with the power supply and the controller;
the special-shaped flexible LED transparent display screen comprises an LED dot matrix, an FPC connector, a driving strip, a transparent substrate, a metal mesh grid lead etched on the transparent substrate, a metal solid line and a bonding pad; the metal mesh grid lead is connected with the FPC connector and the bonding pad, and the LED dot matrix is connected with the bonding pad through silver paste; the FPC connector is connected with the driving strip and arranged at two ends of the display screen;
the controller comprises an upper computer, an FPGA controller and an ARM processor; the ARM processor receives data of the upper computer and transmits the data to the FPGA controller, and the FPGA controller distributes video data to the driving strips according to the data of the upper computer to control the special-shaped flexible LED transparent display screen.
2. The system as claimed in claim 1, wherein the upper computer generates a video source with the same resolution as the special-shaped flexible LED transparent display screen, and matches the special-shaped flexible LED transparent display screen by reprocessing and arranging video pixels.
3. The control system of the special-shaped flexible LED transparent display screen as claimed in claim 1, wherein the metal solid line is arranged at a position surrounding a mounting hole of the special-shaped flexible LED transparent display screen to conduct signals and current.
4. The control system of the special-shaped flexible LED transparent display screen according to claim 1, wherein the arrangement positions of the LED lamps or the compressed LEDs at the mounting holes are removed to reserve the positions of the mounting holes;
when the position of the mounting hole is reserved by removing the LED lamp at the mounting hole, the upper computer removes the LED control signal in the area, and the output control signal is ensured to correspond to the actual LED lamp;
when the arrangement positions of the LEDs are compressed to reserve the positions of the mounting holes, the upper computer calculates control signals of actual positions of the LED pixels in the area by a bilinear interpolation method, and the control signals are used for avoiding distortion of actual display images caused by position compression of the LEDs.
5. The system for controlling the special-shaped flexible LED transparent display screen according to claim 1, wherein LED chips of the LED dot matrix are connected in series.
6. The control system of the special-shaped flexible LED transparent display screen according to claim 1, wherein the special-shaped flexible LED transparent display screen further comprises a transparent protective layer for protecting the metal grid wires.
7. The control system of the special-shaped flexible LED transparent display screen according to claim 6, wherein the transparent protective layer is hollowed out at the position of the bonding pad of the transparent substrate.
8. The control system of the special-shaped flexible LED transparent display screen as claimed in claim 1, wherein the metal mesh wire is made of Ag conductive metal material or Cu conductive metal material, the surface of the metal mesh wire is discontinuous, and the line width of a single metal mesh wire is in micron level.
9. The control system of the special-shaped flexible LED transparent display screen according to claim 1, wherein the transparent substrate is made of PET, PI or COP flexible transparent material.
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| CN202110144647.1A CN112802406B (en) | 2021-02-02 | 2021-02-02 | Special-shaped flexible LED transparent display screen control system |
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| CN113629696A (en) * | 2021-09-23 | 2021-11-09 | 大连集思特科技有限公司 | A Distributed DC Power Supply System for Transparent Display Screen |
| CN114120843A (en) * | 2021-12-23 | 2022-03-01 | 大连集思特科技有限公司 | A flexible transparent display powered by solar energy |
| CN115100952A (en) * | 2022-05-27 | 2022-09-23 | 大连集思特科技有限公司 | A spherical flexible transparent display |
| CN115132119A (en) * | 2022-08-30 | 2022-09-30 | 常州集励微电子科技有限公司 | Control method and device for displaying image |
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