CN214752737U

CN214752737U - Luminous display panel

Info

Publication number: CN214752737U
Application number: CN202121218662.8U
Authority: CN
Inventors: 沈梓霄
Original assignee: Jiangsu Kunda Electric Appliance Decoration Co ltd
Current assignee: Jiangsu Kunda Electric Appliance Decoration Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-11-16
Anticipated expiration: 2031-06-02

Abstract

The utility model relates to a luminous display panel, which comprises a lower shell, an upper shell and a protective sleeve; a square insertion part extends upwards from the frame of the lower shell, a plurality of first through holes are formed in the bottom of the inner wall of the lower shell at equal intervals along the length direction of the lower shell, and a micro heat dissipation fan is arranged in each first through hole; the bottom of the inner wall of the lower shell is also provided with a plurality of heat dissipation holes; four corners of the bottom of the inner wall of the lower shell are vertically provided with mounting columns, the lower shell is provided with a circuit board through the four mounting columns, the top of the circuit board is provided with a plurality of LED light-emitting diodes, and the upper surface of the circuit board is also provided with a connecting plate; connecting columns are further arranged on four corners of the bottom of the inner surface of the lower shell; a square groove is formed in the edge of the bottom of the upper shell; the top of the upper shell is made of transparent material, and the top of the inner wall of the upper shell is provided with a layer of light guide film. The utility model provides a pair of display panel that can give out light sets up the louvre down the bottom of casing, and convenient heat dissipation, the lag mentions dustproof and waterproof's effect to the casing.

Description

Luminous display panel

Technical Field

The utility model relates to an electronic equipment technical field, especially a display panel that can give out light.

Background

The backlight technology of products is the mainstream in the electronic industry at present, many products using LED as light source can not achieve ideal effect in the uniformity, the phenomena of light crosstalk, light transmission and uneven pattern display are serious, especially the display panel plate attached to the cambered surface casing, and the light transmission phenomenon is easy to generate at the edge of the product after the LED lamp is powered on.

The utility model discloses a chinese utility model patent that bulletin number is CN207624322U discloses a luminous even letter display panel, which comprises a housin, the casing is formed by last casing, lower casing and the combination of circuit board mounting panel, and the inboard bottom of casing is installed down to the circuit board mounting panel, and reference column on the circuit board mounting panel is connected with the cover post location on the last casing, circuit board mounting panel top is provided with circuit board and connecting plate, the circuit board top is provided with LED emitting diode, be provided with the rectangle transparent plate on the upper surface of last casing, the bottom of rectangle transparent plate is provided with the leaded light membrane, be provided with the lag on the casing outer wall. Its setting through leaded light membrane, after LED emitting diode lighted, can launch the some light that LED emitting diode sent out through different routes to reach the effect of area source, the utility model discloses the shielding nature is high, can avoid not needing luminous position the non-light tight phenomenon to appear and take place. However, the protective sleeve is sleeved on the shell, the shell is completely sleeved and sealed by the protective sleeve, heat cannot be dissipated, and the heat dissipation effect cannot be improved even if the micro heat dissipation fan is added.

In view of the above, it is desirable to provide a display panel that can emit light.

SUMMERY OF THE UTILITY MODEL

In order to achieve the purpose of the utility model, the luminous display panel comprises a lower shell, an upper shell and a protective sleeve;

the lower shell is of a square structure, a square inserting part extends upwards from the frame of the lower shell, a plurality of first through holes are formed in the bottom of the inner wall of the lower shell at equal intervals along the length direction of the lower shell, and a micro heat dissipation fan is arranged in each first through hole; the bottom of the inner wall of the lower shell is also provided with a plurality of heat dissipation holes; mounting columns are vertically arranged at four corners of the bottom of the inner wall of the lower shell, the lower shell is provided with a circuit board through the four mounting columns, a plurality of LED light-emitting diodes are arranged at the top of the circuit board, a connecting plate is further arranged on the upper surface of the circuit board, a plurality of second through holes matched with the LED light-emitting diodes are formed in the connecting plate, and the LED light-emitting diodes on the circuit board penetrate through the second through holes in the connecting plate; connecting columns are further arranged on four corners of the bottom of the inner surface of the lower shell;

the upper shell is matched with the lower shell, a square groove matched with the square splicing part is formed in the edge position of the bottom of the upper shell, sleeving columns are arranged on four corners of the top of the inner wall of the upper shell, and the sleeving columns are matched with the connecting columns; the top of the upper shell is made of a transparent material, and the top of the inner wall of the upper shell is provided with a layer of light guide film;

the upper shell is sleeved on the connecting column on the lower shell through a sleeving column, and the square groove on the upper shell is inserted on the square inserting part on the lower shell to form a shell;

the protective sleeve is sleeved on the shell.

Preferably, a filter screen is arranged on the heat dissipation holes.

Preferably, positioning columns are arranged on four corners of the outer surface of the upper shell, sleeving parts are arranged on four corners of the inner wall of the protecting sleeve, and sleeving openings are formed in the sleeving parts.

The utility model discloses a display panel that can give out light compares with prior art and has following advantage:

(1) the heat dissipation holes are formed in the bottom of the lower shell, so that heat dissipation is facilitated; a gap is reserved between the circuit board and the bottom of the inner wall of the lower shell, so that the heat dissipation effect is further improved, the protective sleeve plays a role in dust prevention and water prevention on the shell, and the heat dissipation effect is not influenced;

(2) simple structure and convenient production.

Drawings

Fig. 1 is a schematic structural view of a lower case in the present embodiment;

FIG. 2 is a schematic structural diagram of the connection between the lower housing and the circuit board and the connection board in this embodiment;

FIG. 3 is a schematic structural diagram of the upper housing in the present embodiment;

FIG. 4 is a schematic structural view illustrating the connection between the upper housing and the lower housing in the present embodiment;

fig. 5 is a schematic structural diagram of the protective cover in the embodiment;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

fig. 7 is a schematic structural diagram of a light-emitting display panel according to this embodiment.

Detailed Description

As shown in fig. 1 to 7, a display panel capable of emitting light includes a lower case 1, an upper case 10, and a protective cover 14;

as shown in fig. 1 and 2, the lower casing 1 is of a square structure, a square insertion part 2 extends upwards from a frame of the lower casing 1, a plurality of first through holes 5 are formed in the bottom of the inner wall of the lower casing 1 at equal intervals along the length direction of the lower casing 1, and a micro heat dissipation fan 6 is arranged in each first through hole 5; the bottom of the inner wall of the lower shell 1 is also provided with a plurality of heat dissipation holes 17; preferably, a filter screen is arranged on the heat dissipation hole 17; when the micro heat dissipation fan 6 dissipates heat, hot air can be discharged through the heat dissipation holes 17, and meanwhile, dust can be filtered by the filter screen to be prevented from entering the shell; mounting columns 4 are vertically arranged at four corners of the bottom of the inner wall of the lower shell 1, a circuit board 7 is mounted on the lower shell 1 through the four mounting columns 4, a plurality of LED light-emitting diodes 9 are arranged at the top of the circuit board 7, a connecting plate 8 is further arranged on the upper surface of the circuit board 7, a plurality of second through holes matched with the LED light-emitting diodes 9 are formed in the connecting plate 8, and the LED light-emitting diodes 9 on the circuit board 7 penetrate through the second through holes in the connecting plate 8; connecting columns 3 are further arranged on four corners of the bottom of the inner surface of the lower shell 1. A gap is reserved between the circuit board 7 and the bottom of the inner wall of the lower shell 1, and heat dissipation is facilitated.

As shown in fig. 3, the upper casing 10 is adapted to the lower casing 1, a square groove 11 adapted to the square insertion part 2 is formed in the edge of the bottom of the upper casing 10, four corners of the top of the inner wall of the upper casing 10 are provided with sleeving posts 12, and the sleeving posts 12 are adapted to the connecting posts 3; the top of the upper shell 10 is made of a transparent material, and the top of the inner wall of the upper shell 10 is provided with a layer of light guide film;

as shown in fig. 4, the upper housing 10 is sleeved on the connection post 3 of the lower housing 1 through a sleeving connection post 12 for positioning, and the square groove 11 of the upper housing 10 is inserted into the square insertion part 2 of the lower housing 1 to form a housing.

The protective sleeve 14 is sleeved on the shell and plays a role in dust prevention and water prevention.

Preferably, positioning columns 13 are arranged on four corners of the outer surface of the upper shell 10, as shown in fig. 5 to 6, sleeving parts 15 are arranged on four corners of the inner wall of the protecting sleeve 14, and sleeving openings 16 are arranged on the sleeving parts 15, so that the protecting sleeve 14 can be conveniently and accurately sleeved on the shell.

The working principle is as follows: the utility model provides a luminous display panel, through the setting of the light guide film, can disperse the pointolite that LED 9 sent out through different routes, reach the effect of area source; the micro heat dissipation fan 6 dissipates heat in the shell, and the heat is discharged from the heat dissipation holes 17 in the lower shell 1; meanwhile, the filter screen arranged on the heat dissipation holes 17 can effectively prevent dust from entering the shell; the protective sleeve 14 is sleeved on the shell, so that the shell is dustproof and waterproof, and the heat dissipation effect of the shell is not influenced.

In the description of the present specification, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of describing the technical solutions of the present patent and for simplification of the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present patent application.

Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include at least one such feature. In the description of this patent application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this specification, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present specification can be understood by those of ordinary skill in the art as appropriate.

In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, 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 without departing from the scope of the present invention.

Claims

1. A luminous display panel is characterized by comprising a lower shell, an upper shell and a protective sleeve;

the protective sleeve is sleeved on the shell.

2. The light-emitting display panel of claim 1, wherein the heat-dissipating holes are provided with a filter.

3. The illuminable display panel of claim 1 or 2, wherein the upper case has positioning posts provided at four corners of the outer surface thereof, and the protective cover has engaging portions provided at four corners of the inner wall thereof, the engaging portions having engaging openings.