CN218037606U

CN218037606U - MiniLED direct type backlight module

Info

Publication number: CN218037606U
Application number: CN202221580874.5U
Authority: CN
Inventors: 胡俊
Original assignee: Xiamen Honghan Optoelectronics Technology Co ltd
Current assignee: Xiamen Honghan Optoelectronics Technology Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-12-13
Anticipated expiration: 2032-06-17

Abstract

The utility model relates to a LED technical field discloses a straight following backlight unit of MiniLED, including first optical assembly mechanism, the upside of first optical assembly mechanism is provided with second optical assembly mechanism, first optical assembly mechanism includes backplate, flexible circuit board and the embedded card strip of Z type, the downside of backplate is provided with the radiating film, the upside of backplate is provided with total base plate. The utility model discloses paste the heat dissipation membrane in the inboard of heat dissipation membrane draw-in groove, can make the heat of backplate give off fast, thereby avoid the overheated condition, be fixed in the upside of total base plate with flexible circuit board, the total base plate card of rethread inlays in the upside of backplate body, the embedded card strip of slip Z type makes its embedding embedded card strip spacing inslot of Z type, the upside that is fixed in total base plate after the reuse screw rod runs through the embedded card strip of Z type can make flexible circuit board, total base plate all is fixed in the upside of backplate body, avoid flexible circuit board, the condition that total base plate takes place to remove.

Description

MiniLED direct type backlight module

Technical Field

The utility model relates to a LED technical field specifically is a straight following formula backlight unit of MiniLED.

Background

The backlight module is one of the key components of the liquid crystal display device, because the liquid crystal does not emit light, the main function of the backlight module is to provide a uniform and high-brightness luminous body for the liquid crystal panel, the basic principle is to convert the commonly used point or linear luminous body into a high-brightness and uniform-brightness surface luminous body product through an effective light mechanism, so that the liquid crystal panel can normally display images, and the backlight module can be applied to the display devices needing backlight, such as a digital photo frame, electronic paper, a mobile phone and the like besides the liquid crystal television and the liquid crystal display device.

And the heat dissipation of some current backlight unit is slower, produces the condition that generates heat easily, and the staff of being inconvenient for of current backlight unit installs simultaneously mostly. Therefore, a MiniLED direct type backlight module is provided by those skilled in the art to solve the above problems.

Disclosure of Invention

An object of the utility model is to provide a straight following backlight unit of MiniLED to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a straight following backlight unit of MiniLED, includes first optical assembly mechanism, the upside of first optical assembly mechanism is provided with second optical assembly mechanism, first optical assembly mechanism includes backplate, flexible circuit board and the embedded card strip of Z type, the downside of backplate is provided with the radiating film, the upside of backplate is provided with total base plate, the upside of flexible circuit board is provided with a plurality of MiniLED lamp source, the radiating film draw-in groove has been seted up to the downside of backplate body, the both sides of backplate body all are provided with the backplate curb plate, the embedded card strip spacing groove of Z type has been seted up on the inside wall of backplate curb plate, the spacing groove has been seted up to the upside of backplate curb plate inside wall.

As a further aspect of the present invention: the flexible circuit board is connected with the main substrate in a clamping and embedding manner, and the flexible circuit board is fixedly connected with the MiniLED lamp source.

As a further aspect of the present invention: the heat dissipation film clamping groove is matched with the heat dissipation film, and the backboard body is fixedly connected with the backboard side plate.

As a further aspect of the present invention: the Z-shaped embedded clamping strip limiting groove is connected with the Z-shaped embedded clamping strip in a sliding mode, and the Z-shaped embedded clamping strip is fixed to the upper sides of the total base plate and the flexible circuit board after penetrating through the screw rod.

As a further aspect of the present invention: the second optical assembly mechanism comprises a liquid crystal panel, an upper protective film is arranged on the lower side of the liquid crystal panel, a group of crossed prism films are arranged on the lower side of the upper protective film, a diffusion sheet is arranged on the lower side of the crossed prism films, and a light guide plate is arranged on the lower side of the diffusion sheet.

As a further aspect of the present invention: the liquid crystal panel is adhered to the upper side of the group of back plate side plates, and the upper protective film, the group of crossed prism films, the diffusion sheet and the light guide plate are all clamped and embedded in the inner sides of the limiting grooves.

As the utility model discloses further scheme again: the upper protective film is matched with the group of crossed prism films, and the group of crossed prism films is matched with the diffusion sheet.

As a further aspect of the present invention: the diffusion sheet is matched with the light guide plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. paste the radiating film in the inboard of radiating film draw-in groove, can make the heat of backplate give off fast, thereby avoid overheated condition, be fixed in the upside of total base plate with flexible circuit board, the total base plate card of rethread inlays in the upside of backplate body, the embedded card strip of slip Z type makes its embedded card strip spacing inslot of embedding Z type, the upside that reuses the screw rod and run through the embedded card strip after-fixing in of Z type total base plate can make flexible circuit board, total base plate all is fixed in the upside of backplate body, avoid flexible circuit board, the condition that the removal takes place for total base plate.

2. The upper protective film, the group of crossed prism films, the diffusion sheet and the light guide plate are embedded in the inner side of the limiting groove, so that the liquid crystal display panel is conveniently installed and fixed, the liquid crystal display panel is adhered to the upper side of the group of backboard side plates, the liquid crystal display panel can be fixed, and the protective effect is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

FIG. 1 is a schematic structural diagram of a MiniLED direct type backlight module;

FIG. 2 is an exploded view of a MiniLED direct-type backlight module;

FIG. 3 is a schematic structural diagram of a first optical assembly mechanism in a MiniLED direct-type backlight module;

FIG. 4 is a schematic structural diagram of a back plate in a MiniLED direct type backlight module;

fig. 5 is a schematic structural diagram of a second optical assembly mechanism in a MiniLED direct-type backlight module.

In the figure: 1. a first optical assembly mechanism; 11. a back plate; 111. a back plate body; 112. a heat dissipation film clamping groove; 113. a back plate side plate; 114. a limiting groove; 115. a Z-shaped embedded clamping strip limiting groove; 12. a heat dissipating film; 13. a total substrate; 14. a flexible circuit board; 141. a MiniLED light source; 15. a Z-shaped embedded card strip; 2. a second optical assembly mechanism; 21. a liquid crystal panel; 22. a protective film is arranged; 23. a crossed prism film; 24. a diffusion sheet; 25. a light guide plate.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Please refer to fig. 1-5, in an embodiment of the present invention, a MiniLED direct type backlight module, including first optical assembly mechanism 1, the upside of first optical assembly mechanism 1 is provided with second optical assembly mechanism 2, first optical assembly mechanism 1 includes backplate 11, flexible circuit board 14 and Z-type embedded card strip 15, the downside of backplate 11 is provided with heat-dissipating film 12, the upside of backplate 11 is provided with total base plate 13, the upside of flexible circuit board 14 is provided with a plurality of MiniLED lamp source 141, heat-dissipating film card slot 112 has been seted up to the downside of backplate body 111, the both sides of backplate body 111 all are provided with backplate side plate 113, Z-type embedded card strip limit groove 115 has been seted up on backplate side plate 113's the inside wall, limit groove 114 has been seted up to the upside of backplate side plate 113 inside wall.

In fig. 1, 2, 3 and 4: the flexible circuit board 14 is connected with the main substrate 13 in a clamping and embedding manner, the flexible circuit board 14 is fixedly connected with the miniLED lamp source 141, the radiating film clamping groove 112 is matched with the radiating film 12, the back plate body 111 is fixedly connected with the back plate side plate 113, the Z-shaped embedded clamping strip limiting groove 115 is connected with the Z-shaped embedded clamping strip 15 in a sliding manner, the Z-shaped embedded clamping strip 15 penetrates through the screw rod and then is fixed on the upper sides of the main substrate 13 and the flexible circuit board 14, the radiating film 12 is pasted on the inner side of the radiating film clamping groove 112, heat of the back plate 11 can be quickly dissipated, overheating is avoided, the flexible circuit board 14 is fixed on the upper side of the main substrate 13, the main substrate 13 is clamped and embedded on the upper side of the back plate body 111 through the main substrate 13, the Z-shaped embedded clamping strip 15 is embedded in the Z-shaped embedded clamping strip limiting groove 115 in a sliding manner, and then is fixed on the upper side of the main substrate 13 after penetrating through the Z-shaped embedded clamping strip 15, the flexible circuit board 14 and then can enable the flexible circuit board 14 and the main substrate 13 to be fixed on the upper side of the back plate body 111, and the situation that the flexible circuit board 14 and the main substrate 13 is avoided.

In fig. 1, 2 and 5: the second optical assembly mechanism 2 includes a liquid crystal panel 21, an upper protection film 22 is disposed on the lower side of the liquid crystal panel 21, a set of crossed prism films 23 is disposed on the lower side of the upper protection film 22, a diffusion sheet 24 is disposed on the lower side of the set of crossed prism films 23, a light guide plate 25 is disposed on the lower side of the diffusion sheet 24, the liquid crystal panel 21 is adhered to the upper sides of the set of back plate side plates 113, the upper protection film 22, the set of crossed prism films 23, the diffusion sheet 24 and the light guide plate 25 are all embedded in the limiting grooves 114, the upper protection film 22 is matched with the set of crossed prism films 23, the set of crossed prism films 23 is matched with the diffusion sheet 24, the diffusion sheet 24 is matched with the light guide plate 25, the upper protection film 22, the set of crossed prism films 23, the diffusion sheet 24 and the light guide plate 25 are embedded in the limiting grooves 114, so that the installation and fixation are convenient, and the liquid crystal panel 21 is adhered to the upper sides of the set of back plate side plates 113, so that the liquid crystal panel 21 is fixed and plays a role in protection.

The utility model discloses a theory of operation: the heat dissipation film 12 is adhered to the inner side of the heat dissipation film clamping groove 112, so that heat of the back plate 11 can be dissipated quickly, thereby avoiding overheating, the flexible circuit board 14 is fixed on the upper side of the main substrate 13, the main substrate 13 is clamped and embedded on the upper side of the back plate body 111, the Z-shaped embedded clamping strip 15 is slid to be embedded into the Z-shaped embedded clamping strip limiting groove 115, the flexible circuit board 14 and the main substrate 13 are fixed on the upper side of the back plate body 111 after penetrating through the Z-shaped embedded clamping strip 15 by using a screw rod, the flexible circuit board 14 and the main substrate 13 are fixed, the situation that the flexible circuit board 14 and the main substrate 13 move is avoided, the upper protection film 22, the group of crossed prism films 23, the diffusion sheet 24 and the light guide plate 25 are clamped and embedded on the inner side of the limiting groove 114, thereby being convenient to install and fix, the liquid crystal panel 21 is adhered to the upper side of the group of back plate side plates 113, thereby fixing the liquid crystal panel 21 and protecting effect.

The above-mentioned, only be the embodiment of the preferred of the present invention, nevertheless the utility model discloses a protection scope is not limited to this, and any technical personnel familiar with this technical field is in the technical scope of the utility model discloses an according to the utility model discloses a technical scheme and utility model design in addition the replacement of equality or change, all should be covered within the protection scope of the utility model.

Claims

1. The utility model provides a straight following backlight unit of MiniLED, includes first optical assembly mechanism (1), its characterized in that, the upside of first optical assembly mechanism (1) is provided with second optical assembly mechanism (2), first optical assembly mechanism (1) is including backplate (11), flexible circuit board (14) and embedded card strip of Z type (15), the downside of backplate (11) is provided with radiating film (12), the upside of backplate (11) is provided with total base plate (13), the upside of flexible circuit board (14) is provided with a plurality of MiniLED lamp source (141), and radiating film draw-in groove (112) have been seted up to the downside of backplate body (111), and the both sides of backplate body (111) all are provided with backplate curb plate (113), the embedded card strip spacing groove of Z type (115) have been seted up on the inside wall of backplate curb plate (113), spacing groove (114) have been seted up to the upside of backplate curb plate (113) inside wall.

2. The MiniLED direct type backlight module as claimed in claim 1, wherein the flexible printed circuit (14) is connected to the main substrate (13) by a snap-fit connection, and the flexible printed circuit (14) is fixedly connected to the MiniLED light source (141).

3. The MiniLED direct type backlight module as claimed in claim 1, wherein the heat dissipation film clamping grooves (112) are matched with the heat dissipation film (12), and the back plate body (111) is fixedly connected with the back plate side plates (113).

4. The MiniLED direct type backlight module as claimed in claim 1, wherein the Z-shaped embedded type clamping strip limiting groove (115) is slidably connected with the Z-shaped embedded type clamping strip (15), and the Z-shaped embedded type clamping strip (15) is fixed on the upper sides of the main substrate (13) and the flexible printed circuit (14) after penetrating through the Z-shaped embedded type clamping strip by a screw.

5. A MiniLED direct type backlight module as claimed in claim 1, wherein the second optical assembly mechanism (2) comprises a liquid crystal panel (21), an upper protective film (22) is disposed on the lower side of the liquid crystal panel (21), a set of crossed prism films (23) is disposed on the lower side of the upper protective film (22), a diffusion sheet (24) is disposed on the lower side of the set of crossed prism films (23), and a light guide plate (25) is disposed on the lower side of the diffusion sheet (24).

6. The MiniLED direct type backlight module as claimed in claim 5, wherein the liquid crystal panel (21) is adhered to the top side of the set of back plate side plates (113), and the upper protection film (22), the set of crossed prism films (23), the diffusion sheet (24) and the light guide plate (25) are all embedded inside the limiting grooves (114).

7. A MiniLED direct type backlight module according to claim 5, wherein the upper protective film (22) is matched with a set of crossed prism films (23), and a set of crossed prism films (23) is matched with the diffusion sheet (24).

8. A MiniLED direct type backlight module according to claim 5, wherein the diffusion sheet (24) is matched with the light guide plate (25).