CN215895862U

CN215895862U - Micro-LED lamp cup and lamp panel, display module and display screen thereof

Info

Publication number: CN215895862U
Application number: CN202120687138.9U
Authority: CN
Inventors: 胡强; 王文龙; 龙科铭; 王利强; 邱荣邦; 吴振志; 吴涵渠
Original assignee: Shenzhen Aoto Electronics Co Ltd
Current assignee: Shenzhen Aoto Electronics Co Ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2022-02-22
Anticipated expiration: 2031-04-02

Abstract

The utility model relates to a Micro-LED lamp cup, a lamp panel, a display module and a display screen thereof, wherein the lamp cup comprises: the LED lamp comprises a lamp cup cuboid, a lamp cup trapezoid and a Micro-LED light-emitting chip; the lower surface of the cuboid lamp cup is completely consistent with the upper surface of the trapezoid body, and the lower surface of the cuboid lamp cup and the upper surface of the trapezoid body of the lamp cup are connected into a Micro-LED lamp cup in a traceless manner; the area of the lower surface of the lamp cup trapezoid body is larger than that of the upper surface of the lamp cup trapezoid body, four edges of the upper surface of the lamp cup trapezoid body positioned on the lower surface of the lamp cup trapezoid body in an overlooking orthographic projection drawing are respectively equidistant and parallel to four edges of the lower surface of the lamp cup trapezoid body, and the lengths of opposite edges are equal; this application can strengthen the air current, improves the cooling effect by a wide margin.

Description

Micro-LED lamp cup and lamp panel, display module and display screen thereof

Technical Field

The utility model relates to the field of Micro-LED display, in particular to a Micro-LED lamp cup, a lamp panel, a display module and a display screen.

Background

Micro-LEDs are used as a new generation of display technology, and are obtained by miniaturizing the structure of the conventional LEDs, and compared with OLED, LCD and other technologies, the Micro-LEDs have superior performances such as higher brightness, better luminous efficiency, lower power consumption, and the like, and are considered as the future direction of the display technology in the industry. However, when the Micro-LED technology is adopted to manufacture the conference all-in-one machine or other indoor electronic equipment, the service life of the display screen is influenced due to overhigh temperature after long-time use, and meanwhile, the damage of high-temperature burning is also caused to a short-distance user of the display screen. Under the condition of not changing the display effect, a new diversion cooling structure needs to be designed to prolong the service life of the device, reduce the loss of the device and ensure the safety of a user. The conventional Micro-LED screen cooling scheme comprises active heat dissipation and passive heat dissipation, but in the actual use process, the prior art has certain limitations. The passive heat dissipation is mainly characterized in that a heat dissipation grating is additionally arranged on the back of the screen body, but the problem of heating on the surface of the screen body cannot be solved obviously due to the addition of the heat dissipation grating, and meanwhile, the screen body is too thick due to the additional arrangement of the heat dissipation grating and does not meet the light and thin market requirement; the active heat dissipation scheme mainly adopts wind cooling heat dissipation and water cooling heat dissipation, but the larger fan volume and noise bring inconvenience to use and are difficult to maintain and repair, and once the fan fails, the Micro-LED can be burnt out by high temperature in a short time; the water-cooling heat dissipation device is too large in size and cannot be applied to medium and small Micro-LED display equipment used indoors. The passive heat dissipation is mainly characterized in that a heat dissipation grating is additionally arranged on the back of the screen body, but the problem of heating of the surface of the screen body cannot be solved obviously due to the addition of the heat dissipation grating, and meanwhile, the screen body is too thick due to the additional arrangement of the heat dissipation grating and does not meet the requirements of light weight and thinness; the active heat dissipation scheme mainly adopts wind cooling heat dissipation and water cooling heat dissipation, but the larger fan volume and noise bring inconvenience to use and are difficult to maintain and repair, and once the fan fails, the Micro-LED can be burnt out by high temperature in a short time; the water-cooling heat dissipation device is too large in size and cannot be applied to medium and small Micro-LED display equipment used indoors.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a Micro-LED lamp cup, a lamp panel, a display module and a display screen thereof, aiming at the problems of the existing Micro-LED lamp cup.

An embodiment of the present application provides a Micro-LED lamp cup, includes: the LED lamp comprises a lamp cup cuboid, a lamp cup trapezoid and a Micro-LED light-emitting chip; the lower surface of the cuboid lamp cup is completely consistent with the upper surface of the trapezoid body, and the lower surface of the cuboid lamp cup and the upper surface of the trapezoid body of the lamp cup are connected into a Micro-LED lamp cup in a traceless manner; the area of the lower surface of the lamp cup trapezoid body is larger than that of the upper surface of the lamp cup trapezoid body, four edges of the upper surface of the lamp cup trapezoid body positioned on the lower surface of the lamp cup trapezoid body in an overlooking orthographic projection drawing are respectively equidistant and parallel to four edges of the lower surface of the lamp cup trapezoid body, and the lengths of opposite edges are equal; and in the overlooking orthographic projection drawing of the upper surface of the lamp cup trapezoid body on the lower surface of the lamp cup trapezoid body, the four bevel edges of the lamp cup trapezoid body connect the four corners of the lower surface of the lamp cup trapezoid body with the four corners of the overlooking orthographic projection drawing of the upper surface of the lamp cup trapezoid body at the shortest distance respectively.

In some embodiments, a Micro-LED light emitting chip is embedded within the Micro-LED light cup to provide a light source for a display screen.

In some embodiments, the Micro-LED light emitting chip is embedded in the rectangular parallelepiped of the lamp cup, and the trapezoid body of the Micro-LED lamp cup is made of a transparent material.

In some embodiments, the Micro-LED light emitting chip is embedded in the lamp cup trapezoid body, and the lamp cup cuboid of the Micro-LED lamp cup is made of a transparent material.

In some embodiments, the rectangular parallelepiped lamp cup may be replaced by a square lamp cup.

An embodiment of the application also provides a lamp panel, which comprises a plurality of Micro-LED lamp cups, a lamp panel cuboid and a lamp panel trapezoid body in any embodiment of the application; the upper surface of the lamp panel cuboid corresponds to a light emergent surface, and the lower surface of the lamp panel cuboid is connected with the upper surface of the lamp panel trapezoid body in a traceless manner to form a lamp panel; the upper surface of the lamp plate trapezoid body is the bottom surface of the lamp plate trapezoid body, and the lower surface of the lamp plate trapezoid body is connected with a display module PCB; a gap is reserved between any two lamp panels and used for supplying hot air to rise; an acute angle is formed between the trapezoid inclined plane of any lamp panel and the PCB of the display module.

An embodiment of the present application further provides a display module, including, in any embodiment of the present application, a plurality of Micro-LED lamp cups and/or a plurality of lamp panels according to any one of claims 1 to 5 of the present application.

An embodiment of this application still provides a display screen, the display screen includes that this application arbitrary embodiment is a plurality of display module assembly.

Aiming at the problems that when the Micro-LED lamp cup is used for a long time, components and parts are burnt and users are burnt due to overhigh temperature, the embodiment of the application introduces a heat dissipation principle of chimney effect to enhance the heat dissipation efficiency of the lamp surface; the Micro-LED lamp cup is structurally improved to form a trapezoidal lamp cup, the heat dissipation area of the lamp cup is increased, and the problem of large heat productivity of a lamp surface of a Micro-LED display screen due to the fact that a light emitting chip is dense is solved. The embodiment of this application designs a narrow, the wide for ventilation wide groove in bottom in top between every lamp plate module for the bottom temperature that is close to the lamp plate is high, the top temperature is low, rises through the guide hot-air, makes the cold air from the bottom entering with higher speed all around, has and to make the high-efficient discharge of heat, reaches the beneficial effect of timely cooling.

Drawings

FIG. 1 is a schematic view of a rectangular parallelepiped structure of a Micro-LED lamp cup according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a Micro-LED lamp cup according to an embodiment of the present application;

FIG. 3 is a schematic top elevational view of the upper surface of a lamp cup trapezoid positioned on the lower surface of the lamp cup trapezoid according to an embodiment of the present application;

fig. 4 is a schematic structural view of a lamp panel according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a display module according to an embodiment of the present application.

Detailed Description

So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the utility model, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

As shown in fig. 1 to 3, an embodiment of the present application discloses a Micro-LED lamp cup, where the Micro-LED lamp cup 80 includes: a lamp cup cuboid 10, a lamp cup trapezoid body 20, a Micro-LED light emitting chip (not shown in the figure); the lower surface of the lamp cup cuboid is completely consistent with the upper surface of the trapezoid body, and the lamp cup cuboid lower surface and the upper surface of the lamp cup trapezoid body are connected into a Micro-LED lamp cup 80 in a traceless manner; the area of the lower surface of the lamp cup trapezoid body is larger than that of the upper surface of the lamp cup trapezoid body, four edges of the upper surface of the lamp cup trapezoid body positioned on the lower surface of the lamp cup trapezoid body in an overlooking orthographic projection drawing are respectively equidistant and parallel to four edges of the lower surface of the lamp cup trapezoid body, and the lengths of opposite edges are equal; for example, as shown in fig. 3, the shortest straight-line distance of the straight line f3f2 to the straight line d3d2 is equal to the shortest straight-line distance of the straight line d4d1 to the straight line f4f 1; the line d3d2 is parallel to the line d4d1 and is equal in length; the line d3d4 is parallel to the line d2d1 and is equal in length; the points d1, d2, d3 and d4 enclose to form a top-down orthographic projection view of the upper surface of the lamp cup trapezoid body, and the view is a rectangle; points f1, f2, f3 and f4 enclose to form the lower surface of the lamp cup trapezoidal body, and the lower surface of the lamp cup trapezoidal body is rectangular; points f3, f4, d3 and d4 enclose to form an isosceles trapezoid; points f3, f2, d2 and d3 enclose to form an isosceles trapezoid; points f1, f2, d2 and d1 enclose to form an isosceles trapezoid; points f1, f4, d4 and d1 enclose to form an isosceles trapezoid; the isosceles trapezoids are sequentially provided with an inclined edge which is adjacent to each other, and the sum of the included angles of the two sides of the inclined edge is equal to 90 degrees.

In the top orthographic projection view of the upper surface of the lamp cup trapezoid on the lower surface of the lamp cup trapezoid, the four oblique sides of the lamp cup trapezoid 20 connect the four corners (corner f1, corner f2, corner f3 and corner f4) of the lower surface of the lamp cup trapezoid with the four corners (corner e1, corner e2, corner e3 and corner e4) of the top orthographic projection view of the upper surface of the lamp cup trapezoid at the shortest distance; the straight lines are connected with each other by the shortest distance to form a straight line f3d3, a straight line f2d2, a straight line f1d1 and a straight line f4d 4; the straight lines respectively surround an obtuse triangle with the corresponding high line of the lamp cup cuboid 10 and the inclined side of the lamp cup trapezoid body 20, and the straight lines correspond to the obtuse angles; for example, the straight line f1d1 encloses an obtuse triangle with the high line d1e1 of the lamp cup cuboid 10 and the oblique side e1f1 of the lamp cup trapezoid 20, and the obtuse angle corresponding to the straight line f1d1 is the angle d1e1f 1.

In some alternative embodiments, Micro-LED light emitting chips are embedded in the Micro-LED light cup 80 to provide a light source for a display screen.

In some alternative embodiments, the Micro-LED light emitting chip is embedded in the rectangular parallelepiped lamp cup 10, and the lamp cup trapezoid 20 of the Micro-LED lamp cup is made of a transparent material.

In some optional embodiments, the Micro-LED light emitting chip is embedded in the lamp cup trapezoid body 20, and the lamp cup cuboid 10 of the Micro-LED lamp cup is made of a transparent material; in some alternative embodiments, the rectangular lamp cup 10 may be replaced by a square lamp cup.

According to the Micro-LED lamp cup designed by the patent, the bottom area and the side area of the Micro-LED lamp cup are obviously increased by locally widening the volume of the Micro-LED lamp cup; the heat conduction area of the bottom of the Micro-LED lamp cup is increased by 16.7%, and the side heat dissipation area is increased by 13.8%; the main heating source of the Micro-LED lamp panel is a Micro-LED lamp cup, and heat can be conducted to the PCB with better heat dissipation performance by increasing the heat conduction area at the bottom of the lamp cup; meanwhile, the area of the side of the Micro-LED lamp cup is increased, and the Micro-LED lamp cup has the unexpected beneficial effects of guiding heat dissipation airflow and enhancing the heat dissipation efficiency of the Micro-LED lamp cup.

An embodiment of the present application further provides a lamp panel, as shown in fig. 4 and 5, the lamp panel includes a plurality of Micro-LED lamp cups 80, a lamp panel cuboid 25, and a lamp panel trapezoid 24 according to any embodiment of the present application; the upper surface of the lamp panel cuboid 25 corresponds to the light emergent surface of the Micro-LED lamp cup 80, and the lower surface of the lamp panel cuboid 25 is connected with the upper surface 26 of the lamp panel trapezoid body in a traceless manner to form a lamp panel 30; the upper surface 27 of the lamp plate trapezoid is the bottom surface 26 of the lamp plate trapezoid, and the lower surface 26 of the lamp plate trapezoid is connected with a display module PCB 40 (as shown in FIG. 5); specifically, the bottom surfaces of the trapezoid bodies of all the lamp panels are inverted upwards on the PCB of the display module; the lamp panel trapezoid body and the lamp panel cuboid form a whole; a gap is reserved between any two lamp panels and used for supplying hot air to rise; for example, a gap 23 is left between the

lamp panels

30 and 40, as shown in fig. 4, the gap 23 supplies hot air to rise (the hot air rises are indicated by three upward arrows); an acute angle is formed between any one of the lamp panel trapezoid inclined planes 28 and the display module PCB 40 (shown in FIG. 5); the lamp ladder 24 is an equilateral ladder.

In some optional embodiments, the lamp plate cuboid also can be the lamp plate square, the lamp plate trapezoidal body also becomes a whole corresponding to this square.

As shown in fig. 4 and 5, in the lamp panel according to the embodiment of the present application, since an acute angle is formed between the trapezoid inclined plane 28 of any lamp panel and the display module PCB 40, a wide groove is formed between the lamp panels on which the upper surface of the display module PCB 40 is located; for example, a wide slot 23 is formed between the lamp panel 20 and the lamp panel 40; the upper part of the wide groove 23 is gradually narrowed, and in addition, any lamp plate is provided with the lamp cup in the embodiment of the utility model, so that a miniature chimney structure is formed, the unexpected technical effect of remarkably accelerating heat dissipation is achieved, the heat dissipation area of the display module can be remarkably increased, heat among the lamp plates can be conveniently and quickly transferred to air, more external air is introduced by means of the ascending force of hot air to form air circulation, the Micro-LED lamp cup adopts a trapezoidal structure to facilitate air flow, and further the heat dissipation effect among the lamp plates and among the Micro-LED lamp cups is improved. Adopt the lamp plate can be faster with the heat conduction of a plurality of Micro-LED lamp cups to the lamp plate on, and then enlarged the difference in temperature. Through larger temperature difference and a chimney type structure, the chimney effect can be further increased, so that the air flow is enhanced, and the cooling effect is greatly improved.

An embodiment of this application still provides a display module assembly, display module assembly includes that this application is any embodiment is a plurality of Micro-LED lamp cup and/or this application is any embodiment is a plurality of the lamp plate.

In the several embodiments provided in the present invention, it should be understood that the disclosed system and method may be implemented in other ways. For example, the system embodiments described above are merely illustrative, and for example, the division of the components is only one logical division, and other divisions may be realized in practice.

In addition, each functional module/component in each embodiment of the present invention may be integrated into the same processing module/component, or each module/component may exist alone physically, or two or more modules/components may be integrated into the same module/component. The integrated modules/components can be implemented in the form of hardware, or can be implemented in the form of hardware plus software functional modules/components.

It will be evident to those skilled in the art that the embodiments of the present invention are not limited to the details of the foregoing illustrative embodiments, and that the embodiments of the present invention are capable of being embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the embodiments being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. Several units, modules or means recited in the system, apparatus or terminal claims may also be implemented by one and the same unit, module or means in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A Micro-LED lamp cup, comprising: the LED lamp comprises a lamp cup cuboid, a lamp cup trapezoid and a Micro-LED light-emitting chip; the lower surface of the cuboid lamp cup is completely consistent with the upper surface of the trapezoid body, and the lower surface of the cuboid lamp cup and the upper surface of the trapezoid body of the lamp cup are connected into a Micro-LED lamp cup in a traceless manner; the area of the lower surface of the lamp cup trapezoid body is larger than that of the upper surface of the lamp cup trapezoid body, four edges of the upper surface of the lamp cup trapezoid body positioned on the lower surface of the lamp cup trapezoid body in an overlooking orthographic projection drawing are respectively equidistant and parallel to four edges of the lower surface of the lamp cup trapezoid body, and the lengths of opposite edges are equal; and in the overlooking orthographic projection drawing of the upper surface of the lamp cup trapezoid body on the lower surface of the lamp cup trapezoid body, the four bevel edges of the lamp cup trapezoid body connect the four corners of the lower surface of the lamp cup trapezoid body with the four corners of the overlooking orthographic projection drawing of the upper surface of the lamp cup trapezoid body at the shortest distance respectively.

2. A Micro-LED lamp cup according to claim 1, wherein a Micro-LED light emitting chip is embedded in the Micro-LED lamp cup for providing a light source for a display screen.

3. A Micro-LED lamp cup according to claim 2, characterized in that said Micro-LED light emitting chip is embedded in a cuboid of said lamp cup, and the trapezoid body of the Micro-LED lamp cup is made of a transparent material.

4. A Micro-LED lamp cup according to claim 2, characterized in that the Micro-LED light emitting chip is embedded in the lamp cup trapezoid body, and the lamp cup cuboid of the Micro-LED lamp cup is made of a transparent material.

5. A Micro-LED lamp cup according to claim 1, wherein the lamp cup is rectangular parallelepiped, replaceable by a lamp cup cube.

6. A lamp panel is characterized by comprising a plurality of Micro-LED lamp cups, a lamp panel cuboid and a lamp panel trapezoid body, wherein the Micro-LED lamp cups are as claimed in any one of claims 1 to 5; the upper surface of the lamp panel cuboid corresponds to a light emergent surface, and the lower surface of the lamp panel cuboid is connected with the upper surface of the lamp panel trapezoid body in a traceless manner to form a lamp panel; the upper surface of the lamp plate trapezoid body is the bottom surface of the lamp plate trapezoid body, and the lower surface of the lamp plate trapezoid body is connected with a display module PCB; a gap is reserved between any two lamp panels and used for supplying hot air to rise; an acute angle is formed between the trapezoid inclined plane of any lamp panel and the PCB of the display module.

7. A display module, characterized in that, include, this application claims 1-5 any said a plurality of Micro-LED lamp cups and/or this application claims 1-5 any a plurality of said lamp plates.

8. A display screen, characterized in that, include, this application claims 1-5 any said a plurality of Micro-LED lamp cups and/or this application claims 1-5 any a plurality of said lamp plates.