CN215987946U

CN215987946U - Small-spacing flexible LED module

Info

Publication number: CN215987946U
Application number: CN202122398855.2U
Authority: CN
Inventors: 曾玮; 欧宗平
Original assignee: Shenzhen Marvel Electronic Technology Co ltd
Current assignee: Shenzhen Marvel Electronic Technology Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-08
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a small-spacing flexible LED module, which comprises a flexible PCB, lamp spot pads, a driving surface electronic component and a module plastic frame sleeve, wherein the module plastic frame sleeve is sleeved at the edge of the flexible PCB, the flexible PCB adopts a PCB unit board with the thickness of 0.6 mm, the size of the flexible PCB (1) is 320x160mm, 20000 lamp spot pads which are uniformly arranged are arranged on the front surface of the flexible PCB, the distance between the central points of two adjacent lamp spot pads in the horizontal and vertical directions is 1.6mm, and the small-spacing flexible LED module has the advantages that: the utility model subdivides the display space of the modules, enriches the diversity of the LED display modules, and simultaneously, the flexible LED module can freely realize the radian of module splicing because the flexible LED module can realize the bending with larger radian, thereby greatly increasing the modeling diversification of the LED display screen, fitting various unconventional installation positions, and enriching the novelty, entertainment and innovation of LED display.

Description

Small-spacing flexible LED module

Technical Field

The utility model relates to the field of LED screens, in particular to a small-spacing flexible LED module.

Background

Conventional LED large screen, it forms luminous pixel point through the LED luminescent light, through the processing of circuit and software, control red of each pixel point, green, blue three-colour luminance, form full-colour pixel point, each pixel point makes up into the cell board through the circuit board, then assemble into the large screen and play, but do not have this demonstration interval of 1.6mm under 320x160 LED module display unit, only similar interval is 2.5mm or 2.0mm, do not have corresponding flexible display module more, the interval is littleer to mean the pixel height, but its flexible installation degree of difficulty increases, traditional external member and cell board are not enough to satisfy.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a small-pitch flexible LED module to solve the above problems.

The utility model realizes the purpose through the following technical scheme:

a small-spacing flexible LED module comprises a flexible PCB, lamp spot welding pads, driving surface electronic components and module plastic frame kits sleeved at the edge of the flexible PCB, wherein the flexible PCB adopts a PCB unit board with the thickness of 0.6 mm, the size of the flexible PCB 1 is 320-160 mm, 20000 lamp spot welding pads are uniformly arranged on the front surface of the flexible PCB, the distance between the central points of two adjacent lamp spot welding pads in the horizontal and vertical directions is 1.6mm, the driving surface electronic components matched with the number of the lamp spot welding pads are arranged on the back plate body of the flexible PCB, the module plastic frame kits are formed by enclosing a horizontal edge sleeve and a vertical edge sleeve, the horizontal edge sleeve and the vertical edge sleeve are both formed by a plate edge sleeve and a supporting plastic strip installed above the plate edge, and a plurality of deformed and bent radiating hole grooves are formed in the supporting plastic strip, two adjacent press from both sides between the crooked radiating hole groove of deformation and be equipped with a spacing support convex part the four corners at flexible PCB board back respectively establishes a copper post, in addition in two long sides at flexible PCB board back respectively establish five copper posts two short sides at flexible PCB board back respectively establish three copper post, support and seted up on the plastic strip with each the corresponding cover mounting hole of copper post.

Further, the LED lamps are welded on the lamp point welding pads, and circuits for signal and current transmission are further arranged on the flexible PCB.

Furthermore, the board is sleeved to the board edge of the flexible PCB along a jacket, and the circuit patch component is arranged inside the board edge jacket.

Furthermore, the cross section of the limiting support convex part is in an isosceles trapezoid shape.

In the structure, compared with the traditional LED module, the size of the 320x160 module is combined with the display space of 1.6mm, the display space of the 320x160 module is subdivided, the diversity of the LED display module is enriched, the flexible PCB of 320x160mm is a unit board, the splicing of a plurality of unit boards can be realized, the positions of pads of 20000 LED lamp points are designed at the front side of each unit board, the distance between each pad and the center of another horizontally and vertically adjacent pad is 1.6mm, meanwhile, a signal and current transmission circuit is designed in the PCB, in addition, a driving IC element which is matched with the LED space and the number of LED lamps is correspondingly designed at the back side of the PCB, namely a driving surface electronic element, so that the LED lamps can display corresponding colors under the indication of the signals, a kit adopts plastic, and the fixation of corresponding screw holes can be bent; after the pasting is finished, the plastic sleeve is screwed manually and fixed with the pasted PCB.

Has the advantages that: according to the small-spacing flexible LED module, the display spacing of the modules is subdivided by combining the size of the module with the size of 320x160mm and the display spacing of 1.6mm, the diversity of the LED display modules is enriched, and meanwhile, the flexible LED module can be bent with a larger radian, so that the radian of module splicing can be freely realized, the modeling diversification of an LED display screen is greatly increased, various unconventional installation positions are attached, and the novelty, entertainment and innovation of LED display are enriched.

Drawings

FIG. 1 is a schematic diagram of a back structure of a small-pitch flexible LED module according to the present invention;

FIG. 2 is a schematic side view of a module kit for a small-pitch flexible LED module according to the present invention;

fig. 3 is a schematic front view of a flexible board of the small-pitch flexible LED module according to the present invention.

The reference numerals are explained below:

1. a flexible PCB board; 2. a module plastic frame external member; 3. a lamp point pad; 4. an LED lamp; 5. a drive plane electronic component; 7. a copper pillar; 8. the plate edge is jacketed; 9. supporting the plastic strip; 10. a deformed and bent heat dissipation hole groove; 11. the limiting support convex part.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The utility model will be further described with reference to the accompanying drawings in which:

as shown in fig. 1-3, the small-space flexible LED module is composed of a flexible PCB 1, a lamp pad 3, a driving surface electronic component 5, and a module plastic frame kit 2 sleeved at the edge of the flexible PCB 1;

the flexible PCB board 1 adopts a PCB unit board with the thickness of 0.6 mm, the size of the flexible PCB board 1 is 320x160mm, 20000 lamp point bonding pads 3 which are uniformly arranged are arranged on the front surface of the flexible PCB board 1, and the distance between the central points of two adjacent lamp point bonding pads 3 in the horizontal and vertical directions is 1.6 mm;

the back of the flexible PCB 1 is provided with driving surface electronic components 5 the quantity of which is matched with that of the lamp point bonding pads 3;

module plastic frame external member 2 encloses along the cover by violently following the cover with erecting and closes and form, violently along the cover with erect along the cover by the board along pressing from both sides cover 8 and install and follow the support plastic strip 9 that presss from both sides cover 8 top at the board and constitute, support and seted up the crooked radiating hole groove 10 of a plurality of deformation on the plastic strip 9, press from both sides between two adjacent crooked radiating hole grooves 10 and be equipped with a spacing support convex part 11 the four corners at 1 back of flexible PCB board respectively establishes a copper post 7 in addition two long sides at flexible PCB board back respectively establish five copper posts two short sides at flexible PCB board back respectively establish three copper post, support and seted up on the plastic 9 with each the corresponding cover mounting hole of copper post 7. For example, four corners of the back of the flexible PCB 1 are respectively provided with a copper column 7, the copper columns on the two long sides of the back of the flexible PCB are a first copper column, a second copper column, a third copper column, a fourth copper column and a fifth copper column from left to right, the third copper column is located at the center of the long side of the flexible PCB, the second copper column and the fourth copper column are spaced from the third copper column by five deformed and bent heat dissipation hole slots 10, and the spacing distance between the first copper column and the second copper column is the same as the spacing distance between the fourth copper column and the fifth copper column, and is the distance between the four deformed and bent heat dissipation hole slots 10; copper posts on two short sides at flexible PCB board back are six, seven and eight copper posts of copper post from last to being down in proper order, and seven central point that are located flexible PCB board short side of copper post put, six and eight all with seven distances of two crooked radiating hole grooves 10 of deformation of copper post interval of copper post.

In this embodiment, the LED lamp 4 is welded on the lamp point pad 3, and the flexible PCB board 1 is further provided with a circuit for transmitting signals and current.

In this embodiment, the board edge of the flexible PCB 1 is sleeved with the board edge jacket 8, and the circuit chip component is disposed inside the board edge jacket 8.

In this embodiment, for better crooked, the cross-section that supports convex part 11 is isosceles trapezoid, and when crooked, its maximum bending state is two adjacent spacing convex part 11 laminating states of supporting, and it also can provide better radiating environment for the LED module of minipitch.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a flexible LED module is apart from to booth which characterized in that: the flexible PCB board is a PCB unit board with the thickness of 0.6 mm, the size of the flexible PCB board (1) is 320x160mm, 20000 lamp point pads are uniformly arranged on the front surface of the flexible PCB board, the distance between the central points of the two adjacent lamp point pads in the horizontal direction and the vertical direction is 1.6mm, the back part of the board body of the flexible PCB board is provided with driving surface electronic components with the number matched with that of the lamp point pads, the module plastic frame kit is formed by enclosing a transverse edge sleeve and a vertical edge sleeve, each of the transverse edge sleeve and the vertical edge sleeve is composed of a board edge clamping sleeve and a plastic supporting strip arranged above the board edge clamping sleeve, a plurality of deformed and bent radiating hole grooves are formed in the supporting plastic strip, and a limiting supporting convex part is clamped between the two adjacent deformed and bent radiating hole grooves, the four corners at the back of the flexible PCB are respectively provided with a copper column, in addition, two long sides at the back of the flexible PCB are respectively provided with five copper columns, two short sides at the back of the flexible PCB are respectively provided with three copper columns, and the support plastic strip is provided with sleeve mounting holes corresponding to the copper columns.

2. The small-spacing flexible LED module according to claim 1, characterized in that: the LED lamp is welded on the lamp point welding plate, and a circuit for signal and current transmission is further arranged on the flexible PCB.

3. The small-spacing flexible LED module according to claim 1, characterized in that: the board along pressing from both sides the cover and establishing the board of flexible PCB board is along the board department of pressing from both sides, and circuit paster components and parts set up in the inside that the cover was pressed from both sides along the board.

4. The small-spacing flexible LED module according to claim 1, characterized in that: the cross section of the limiting support convex part is isosceles trapezoid.