CN211180472U - Circular L CM display module - Google Patents

Abstract

The utility model discloses a circular L CM display module assembly, including display module assembly and backlight, the backlight has the drain pan, and this drain pan encloses into a containing space by the turn-ups, and the interior bottom surface of this drain pan forms the plane of reflection, has light guide plate, diffusion piece, lower brightness enhancement piece and last brightness enhancement piece respectively by supreme down in containing space one side of conduit board has the light source, display module assembly's appearance with containing space's shape phase-match, just display module assembly department has first light shield layer, and this first light shield layer forms circular light transmission area in display module assembly department, the light source with display module assembly electricity is connected to the flexible line way board, this technique forms circular light transmission area through hiding first light shield layer, has satisfied the use that needs adopted circular demonstration occasion.

Description

Circular L CM display module

Technical Field

The utility model belongs to the technical field of the display technology and specifically relates to a circular L CM display module assembly.

Background

Existing displays generally include a display module and a backlight source, and a light emitted from the backlight source illuminates the display module to realize display.

The backlight module which is the mainstream at present adopts a side-in type backlight. Firstly, a light-emitting element is arranged on the inner side of the side wall of a backlight source frame; the light is then guided to the display area by a light guide plate mounted on the backlight frame. The side-in backlight generally includes a light guide plate, a reflector disposed at the lower end of the light guide plate, an optical film disposed at the upper end (light exit surface) of the light guide plate, and a light bar disposed at the side surface (light entrance surface) of the light guide plate. The existing display module is mostly of a square structure and cannot be used in some occasions needing to be circularly displayed.

Therefore, the above technical problem needs to be solved.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a circular L CM display module assembly, aim at provides the display module assembly who satisfies circular regional demonstration.

In order to solve the technical problem, the utility model provides a basic technical scheme does:

a circular L CM display module comprises a display module and a backlight source;

the backlight source is provided with a bottom shell, the bottom shell is surrounded by a flanging to form a containing space, the inner bottom surface of the bottom shell forms a reflecting surface, a light guide plate, a diffusion sheet, a lower brightness enhancement sheet and an upper brightness enhancement sheet are respectively arranged in the containing space from bottom to top, and a light source is arranged on one side of the conduit plate;

the shape of the display module is matched with that of the accommodating space, a first light shielding layer is arranged on the bottom surface of the display module, and a circular light-transmitting area is formed on the bottom surface of the display module by the first light shielding layer;

the display module is internally provided with a second light shielding layer, the second light shielding layer forms a circular display area at the display module, and the circular light-transmitting area is opposite to the circular display area in the axial direction;

the light source and the display module are electrically connected to the flexible circuit board.

Furthermore, the flexible circuit board is provided with a first output part and a second output part, the light source is integrated on the first output part and extends into the accommodating space, and the second output part is electrically connected with the module.

Further, the first light shielding layer has an extension portion extending to an outer side in a radial direction, and a lower surface of the extension portion is bonded to the first output portion.

Further, the upper surface of the extension portion is bonded to the second output portion.

Further, a white light shielding layer is arranged on the periphery of the accommodating space.

Further, the bottom shell comprises an arch part and a trapezoid part, wherein the central angle of the arch part is 270 degrees, and two side edges of the trapezoid part are tangent to an arch arc of the arch part; the shape of the display module is consistent with that of the bottom shell.

Furthermore, a reinforcing sheet is arranged on one side of the input part of the flexible circuit board.

The utility model has the advantages that:

the technical scheme of the utility model provide a circular L CM display module assembly, including display module assembly and backlight, the backlight has the drain pan, and this drain pan is enclosed into a storage space by the turn-ups, and the interior bottom surface of this drain pan forms the plane of reflection, by supreme light guide plate, diffusion piece, lower light intensifying piece and the last light intensifying piece of having respectively down in storage space one side of conduit board has the light source, display module assembly's appearance with storage space's shape phase-match, just display module assembly department has first light shield layer, and this first light shield layer forms circular light transmission area in display module assembly department, the light source with display module assembly electricity is connected to the flexible line way board.

Drawings

Fig. 1 is a schematic diagram of a circular L CM display module according to the present invention;

FIG. 2 is a schematic diagram of the internal structure of a circular L CM display module;

FIG. 3 is a schematic structural diagram of the bottom case;

FIG. 4 is a schematic diagram of the display module and the first light-shielding layer;

FIG. 5 is a schematic structural diagram of a display module;

fig. 6 is a schematic view of the position structure of the circular light-transmitting area and the circular display area.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 6, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

Referring to fig. 1 to 3, the present invention relates to a circular L CM display module, including display module 10, backlight 20 and flexible wiring board 30, flexible wiring board 30 is used for providing electric power and control signal to display module 10 and backlight 20, backlight 20 is used for providing light, display module 10 is used for displaying pictures.

The backlight 20 includes a bottom case 201, the bottom case 201 is surrounded by a flange 2011 to form a receiving space 2012, a reflecting surface 2013 is formed on the inner bottom surface of the bottom case 201, the receiving space 2012 is provided with a light guide plate 202, a diffusion sheet 203, a lower brightness enhancement film 204 and an upper brightness enhancement film 205 from bottom to top, and a light source 206 is provided at one side of the duct board 202. It should be understood that, in the present embodiment, the bottom case 201 is preferably made of a metal material, such as aluminum alloy or stainless steel, and the inner bottom surface of the bottom case 201 is polished to form the reflective surface 204. That is, in the present embodiment, it is not necessary to add a separate reflection plate, which enables reduction in thickness and thinning. Meanwhile, the metal material can also improve the pressure resistance of the backlight source 10. The bottom case 201 and the flange 2011 are integrated and integrally formed. In order to prevent light from being exposed at the peripheral side of the bottom case 201 and facilitate positioning of the various layer structures during backlight assembly, a white light shielding layer 50 is provided at the peripheral side of the receiving space 2012. The white light shielding layer 50 forms a closed structure along the peripheral side of the receiving space 2012, and forms a space for assembling the light guide plate 202, the diffusion sheet 203, the lower light-adding sheet 204 and the upper light-adding sheet 205. The white light-shielding layer 50 can block light from being radiated outward in the circumferential direction, and the quality of the backlight 10 is improved.

Referring to fig. 4, the shape of the display module 10 of the present embodiment matches the shape of the receiving space 2012, and the bottom surface of the display module 10 has a first light shielding layer 40, and the first light shielding layer 40 forms a circular light-transmitting region 101 at the display module 10. Wherein, the display module 10 can be conveniently assembled with the shape matching of the accommodating space 2012. The first light-shielding layer 40 is implemented by using black light-shielding glue. The first light-shielding layer 40 is disposed along the periphery of the bottom surface of the display module 10. The first light shielding layer 40 has an outer shape matched with the outer shape of the display module 10, that is, the same shape, wherein a circular hole is formed in the middle of the first light shielding layer 40, and when the first light shielding layer 40 is adhered to the bottom surface of the display module 10, the first light shielding layer 40 can shield the peripheral portion of the display module 10 so that the light emitted from the backlight 10 can only be emitted upwards to the inside of the display module 10 from the bottom of the first light shielding layer 40. The technology can ensure that the light rays emitted by the backlight source are in a circular area. Similarly, it should be understood that, referring to fig. 5, the display module 10 has a second light shielding layer 102 therein, and the second light shielding layer 102 forms a circular display area 103 at the display module 10; the circular display region 103 is opposite to the circular light-transmitting region 101 in the axial direction, as shown in fig. 6. That is, the light emitted from the light emitting surface of the backlight 10 passes through the circular light-transmitting area 101 and then is projected to the circular display area 103, and the first circular light-transmitting area 101 and the circular display area 103 realize circular display of the display module 10, thereby meeting the use requirements of products adopting circular display.

Specifically, referring to fig. 1 and 2, in the present embodiment, the light source 206 and the display module 10 are electrically connected to the flexible circuit board 30, that is, the flexible circuit board 30 has a first output portion 301 and a second output portion 302, the first output portion 301 integrates the light source 206 and extends into the receiving space 2012, and the second output portion 302 is electrically connected to the display module 10. it should be understood that different circuits can be designed according to different display requirements, and a well-known circuit design can be adopted in particular, wherein the flexible circuit board 30 has an input portion 303 thereon, the input portion 303 is an L CM male connector, such as an AXE620124 type, and in addition, in order to facilitate connection between the input portion 303 and an external device, a reinforcing sheet 304 is disposed on one side of the input portion 303, due to the reinforcing effect of the reinforcing sheet 304, the output portion 303 is ensured to have sufficient strength to achieve accurate connection with the external device.

The first light shielding layer 40 has an extension portion 401 extending outward in the radial direction, and a lower surface of the extension portion 401 is bonded to the first output portion 301. Since the light source 206 is disposed at the first output portion 301, the first output portion 301 is disposed at the extension portion 401, so that light can be shielded and prevented from being radiated outwards. In addition, in order to fix the first output portion 301, the upper surface of the extension portion 401 is bonded to the second output portion 302. That is, in the present embodiment, the second output portion 302 and the first output portion 301 are respectively disposed on the upper and lower surfaces of the extension portion 401, and the fixation of the two is achieved.

In detail, as shown in fig. 3, the bottom case 201 comprises an arc part and a trapezoid part with a central angle of 270 °, two side edges of the trapezoid part are tangent to an arc of the arc part, the shape of the display module 10 is the same as that of the bottom case 201, specifically, the shapes of the display module 10 and the backlight 20 are approximately the same as that of the bottom case 201, so that the L CM display module after being assembled has a uniform shape, the shape formed by the arc part and the trapezoid is convenient for assembling the L CM display module, the specific backlight 20 and the display module 10 are generally arranged at positions corresponding to the arc part, and the first output part 301 and the second output part 302 are arranged at positions corresponding to the trapezoid part.

Further, variations and modifications of the above-described embodiments may be suggested to one skilled in the art in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (7)

1. The utility model provides a circular L CM display module assembly, includes display module assembly (10) and backlight (20), its characterized in that:

the backlight source (20) is provided with a bottom shell (201), the bottom shell (201) is surrounded by a flange (2011) to form a containing space (2012), a reflecting surface (2013) is formed on the inner bottom surface of the bottom shell (201), a light guide plate (202), a diffusion sheet (203), a lower light intensifying sheet (204) and an upper light intensifying sheet (205) are respectively arranged in the containing space (2012) from bottom to top, and a light source (206) is arranged on one side of the light guide plate (202);

the shape of the display module (10) is matched with that of the accommodating space (2012), a first shading layer (40) is arranged on the bottom surface of the display module (10), and a circular light-transmitting area (101) is formed on the bottom surface of the display module (10) by the first shading layer (40);

the display module (10) is internally provided with a second light shielding layer (102), the second light shielding layer (102) forms a circular display area (103) at the display module (10), and the circular display area (103) is opposite to the circular light transmission area (101) in the axial direction;

the light source (206) and the display module (10) are electrically connected to the flexible circuit board (30).

2. The circular L CM display module of claim 1 wherein:

the flexible circuit board (30) is provided with a first output part (301) and a second output part (302), the light source (206) is integrated on the first output part (301) and extends into the accommodating space (2012), and the second output part (302) is electrically connected with the module (10).

3. The circular L CM display module of claim 2 wherein:

the first light shielding layer (40) has an extension portion (401) extending outward in the radial direction, and the lower surface of the extension portion (401) is bonded to the first output portion (301).

4. The circular L CM display module of claim 3 wherein:

the upper surface of the extension portion (401) is bonded to the second output portion (302).

5. The circular L CM display module of claim 3 wherein:

the peripheral side of the accommodating space (2012) is provided with a white shading layer (50).

6. The circular L CM display module of claim 1 wherein:

the bottom shell (201) comprises an arch part and a trapezoid part, wherein the central angle of the arch part is 270 degrees, and two side edges of the trapezoid part are tangent to an arch arc of the arch part; the shape of the display module (10) is consistent with that of the bottom shell (201).

7. The circular L CM display module of claim 1 wherein:

a reinforcing sheet (304) is provided on one side of the input section (303) of the flexible circuit board (30).

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