CN113035082A

CN113035082A - LED display unit of pixel arrangement structure

Info

Publication number: CN113035082A
Application number: CN202110365548.6A
Authority: CN
Inventors: 李朝祥; 朱斌; 吉丽丽; 李农
Original assignee: Nanjing Luopu Technology Co ltd; Nanjing Lopu Co ltd
Current assignee: Nanjing Luopu Technology Co ltd; Nanjing Lopu Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-06-25

Abstract

The invention discloses an LED display unit with a pixel arrangement structure, which belongs to the technical field of LED lamps and comprises a plurality of LED lamps, wherein all the LED lamps form an LED square array; the invention can be applied to large-size planar LED display screens, and is particularly suitable for screens with various spatial multi-angle shapes such as CAVE spaces, spherical screens, circular screens, right angles, arched doors and the like with 3 to 6 display surfaces.

Description

LED display unit of pixel arrangement structure

Technical Field

The invention belongs to the technical field of LED lamps, and relates to an LED display unit with a pixel arrangement structure.

Background

Along with the continuous breakthrough of LED display screen point interval, display effect continuously promotes, and its application is also wider and wider, has appeared by various space multi-angle molding screens such as CAVE space, ball curtain, ring curtain, right angle, arched door of LED display screen concatenation.

Among the prior art that shows, by the trinity SMD luminotron of different encapsulation forms with matrix or other arrangement forms LED display element, nevertheless because the R, G, B tube core height difference of trinity SMD luminotron, the chip is different to the distance at edge, causes other angles except the normal direction, and the colour mixture characteristic is different, leads to watching obvious colour cast occasionally, on the screen or the curved surface screen of multi-angle concatenation very much, each folded surface colour cast is obvious, and whole display effect is relatively poor. Meanwhile, the sound of the large-size LED display screen is placed at the periphery of the LED display screen, the audio effect is poor, and the synchronization of the sound image direction cannot be achieved.

Disclosure of Invention

The invention aims to provide an LED display unit with a pixel arrangement structure, which solves the technical problem of poor display effect in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

an LED display unit of a pixel arrangement structure comprises a plurality of LED lamps, wherein all the LED lamps form an LED square array, in the LED square array, each LED lamp takes the center of the LED lamp as an original point, and is rotated clockwise by an angle alpha on the plane where the LED square array is located and fixedly installed;

the rotating angles of two adjacent LED lamps are different.

Preferably, the value range of the angle of rotation a is 0 degree to 360 degrees.

Preferably, the LED square matrix is arranged in an ordered mixture, that is, the LED square matrix is an N-row × N-column square matrix or an N-row × M-column square matrix, where N is a positive integer and M is a positive integer;

the LED square matrix is a Latin orthogonal matrix, namely, the installation angles of any one LED lamp and the LED lamp adjacent to the LED lamp in the horizontal or vertical direction are different.

Preferably, in the latin orthogonal matrix, the value of the angle of rotation α is 0 degree or 90 degrees.

Preferably, the matrix is arranged in a mixed manner without order, that is, an angle a rotated by any one of the LED lamps is between 0 degree and 360 degrees, and an installation angle of any one of the LED lamps is different from that of an adjacent LED lamp in a horizontal or vertical direction.

Preferably, the LED lamps are arranged continuously or in groups when the square matrix is in disordered mixed arrangement.

Preferably, in the LED square matrix, the LED lamps are arranged in a delta shape or a linear shape.

Preferably, in the LED square matrix, the distance between adjacent LED lamps is less than 20 mm.

Preferably, for the LED display screen with large size and synchronous acoustic-image orientation requirement, the sound holes arranged on the LED square matrix or the splicing positions of the two LED square matrices are provided with sound-transmitting gaps.

The invention has the beneficial effects that:

the LED display unit with the pixel arrangement structure solves the technical problem of poor display effect in the prior art, achieves balanced distribution on parameters such as brightness, wavelength, luminous flux, voltage value and the like, ensures other angles except the normal direction, has no obvious color cast, and achieves the most uniform display effect of the whole body.

Drawings

FIG. 1 is a schematic view of the CAVE space of the present invention;

FIG. 2 is a schematic plan view of the CAVE space of the present invention after deployment;

FIG. 3 is a schematic diagram of the square matrix of cells on each side of the CAVE space of the present invention;

FIG. 4 is a schematic diagram of a Latin orthogonal matrix of the present invention;

FIG. 5 is a schematic diagram of a disordered mixed arrangement square matrix of the present invention;

FIG. 6 is a schematic view of the rotation angle of the LED lamp according to the present invention;

FIG. 7 is a schematic view of the gap between the acoustic aperture and the square matrix of the present invention;

in the figure: the display device comprises a left display surface 1, a lower display surface 2, a front display surface 3, a right display surface 4, a rear display surface 5, an upper display surface 6, an LED lamp 7, a sound hole 8 and a gap 9.

Detailed Description

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. 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.

The LED display unit with the pixel arrangement structure shown in fig. 1 to 7 includes a plurality of LED lamps 7, all the LED lamps 7 form an LED square matrix, and in the LED square matrix, each LED lamp 7 rotates clockwise by an angle of α on a plane where the LED square matrix is located with its center as an origin, and is fixedly mounted;

the adjacent two LED lamps 7 are rotated by different angles.

Fig. 6 is a schematic diagram showing the rotation angle of the LED lamp 7.

the LED square matrix is a Latin orthogonal square matrix, namely, the installation angles of any one LED lamp 7 and the LED lamps 7 adjacent to each other in the horizontal or vertical direction are different.

Fig. 4 shows an arrangement of the latin orthogonal square matrix of LED lamps 7, in which the angles of two adjacent LED lamps 7 are different.

Preferably, the matrix is arranged in a mixed manner without order, that is, an angle α rotated by any one of the LED lamps 7 is between 0 degree and 360 degrees, and an installation angle of any one of the LED lamps 7 is different from that of the LED lamp 7 adjacent to the LED lamp in the horizontal or vertical direction.

Fig. 5 is a schematic diagram of the disordered mixed arrangement square matrix, in which the LED lamps 7 are arranged at different angles.

Preferably, the LED lamps 7 are arranged continuously or in groups when the matrix is in a disordered mixed arrangement.

Preferably, in the LED square matrix, the LED lamps 7 are arranged in a delta shape or a linear shape.

Preferably, in the LED matrix, the distance between adjacent LED lamps 7 is less than 20 mm.

Preferably, for the LED display screen with large size and synchronous acoustic-image orientation requirement, the LED square matrix is provided with the sound holes 8 or the splicing positions of the two LED square matrices are provided with the gaps 9 for sound transmission.

Fig. 1 is a CAVE space diagram of the present invention, which includes a left display surface 1, a lower display surface 2, a front display surface 3, a right display surface 4, a rear display surface 5 and an upper display surface 6;

FIG. 2 is a schematic expanded plan view of the CAVE space of the present invention, wherein the rear display surface 5 is not shown;

fig. 3 is a schematic diagram of the unit matrix on each side of the CAVE space according to the present invention, and fig. 3 illustrates the left display surface 1, the front display surface 3 and the upper display surface 6, on each side of which a plurality of LED lamps 7 are distributed.

As shown in fig. 7, the sound holes 8 are a plurality of sound holes 8 with circular, square or any shape that meet the sound transmission requirement.

The light distribution principle of the invention is as follows: the LED lamp is divided into orderly mixed arrangement or disordered mixed arrangement, and in the LED unit board, the LED lamp 7 rotates clockwise or anticlockwise around the center and is placed in a rotating mode according to a certain angle. Orderly mixing and arranging, namely, adopting a Latin square matrix N × N or N × MN, M which are positive integers, orderly arranging the LED lamps 7 in different directions, and repeating N × N or N × M until the unit plates are fully distributed; the LED lamps 7 in different directions can be placed continuously and differently, and also can be placed in different groups and distributed on the LED unit boards.

Any process or method descriptions herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing custom logical functions or steps of a process, and the scope of the preferred embodiments of the present invention includes additional implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.

The logic and/or steps described in this specification, for example, as an ordered listing of executable instructions for implementing logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. A more specific example, non-exhaustive list of computer-readable media includes the following: an electronic device having an electrical connection with one or more wires, a portable computer diskette drive, a random access memory RAM, a read-only memory ROM, an erasable programmable read-only memory eROM or flash memory, an optical fiber device, and a portable compact disc read-only memory CDROM. Additionally, the computer readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.

It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. If implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for realizing a logic function for a data block, an application specific integrated circuit having a suitable combinational logic gate circuit, a programmable gate array PGA, a field programmable gate array FPGA, or the like.

It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.

In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a separate product, may also be stored in a computer readable storage medium.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. An LED display unit of a pixel arrangement structure, characterized in that: the LED lamp structure comprises a plurality of LED lamps (7), wherein all the LED lamps (7) form an LED square array, and in the LED square array, each LED lamp (7) uses the center of the LED lamp as an origin, rotates clockwise by an angle alpha on a plane where the LED square array is located, and is fixedly installed;

the rotating angles of the two adjacent LED lamps (7) are different.

2. A pixel arrangement structured LED display unit according to claim 1, wherein: the value range of the angle of rotation alpha is 0 degree to 360 degrees.

3. A pixel arrangement structured LED display unit according to claim 1, wherein: the LED square array is arranged in an orderly mixed mode, namely the LED square array is an N-row-by-N-column square array or an N-row-by-M-column square array, wherein N is a positive integer, and M is a positive integer;

the LED square matrix is a Latin orthogonal matrix, namely, the installation angles of any one LED lamp (7) and the LED lamps (7) adjacent in the horizontal or vertical direction are different.

4. A pixel arrangement structured LED display unit according to claim 3, wherein: in the latin orthogonal matrix, the value of the angle of rotation angle is 0 degree or 90 degrees.

5. A pixel arrangement structured LED display unit according to claim 1, wherein: the square matrix is arranged in a disordered mixing mode, namely, the angle alpha of rotation of any one LED lamp (7) is between 0 degree and 360 degrees, and the installation angle of any one LED lamp (7) is different from that of the LED lamp (7) adjacent to the LED lamp in the horizontal or vertical direction.

6. The LED display unit of claim 5, wherein: the LED lamps (7) are continuously or grouped in the disordered mixed arrangement of the square matrix.

7. A pixel arrangement structured LED display unit according to claim 1, wherein: in the LED square array, the LED lamps (7) are arranged in a shape like a Chinese character 'pin' or in a linear type.

8. A pixel arrangement structured LED display unit according to claim 1, wherein: in the LED square matrix, the distance between adjacent LED lamps (7) is less than 20 mm.

9. A pixel arrangement structured LED display unit according to claim 1, wherein: for the LED display screen with large size and sound-image azimuth synchronous requirement, the sound holes (8) arranged on the LED square matrix or the splicing positions of the two LED square matrices are provided with the gaps (9) for sound transmission.