CN213092072U

CN213092072U - Backlight module and liquid crystal display television

Info

Publication number: CN213092072U
Application number: CN202021580223.7U
Authority: CN
Inventors: 文勇兵; 朋朝明; 邹文聪; 徐军; 张广谱
Original assignee: Shenzhen Skyworth RGB Electronics Co Ltd
Current assignee: Shenzhen Skyworth RGB Electronics Co Ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-04-30
Anticipated expiration: 2030-08-03

Abstract

The utility model discloses a backlight module and LCD TV relates to LCD TV technical field. The backlight module comprises a middle frame and liquid crystal glass. The center includes first connecting plate and second connecting plate, and first connecting plate is perpendicular to the second connecting plate. One side of the liquid crystal glass is fixedly connected with the second connecting plate, and the other side of the liquid crystal glass is flush with one end of the first connecting plate; an assembly gap is arranged between the side wall of the first connecting plate and the liquid crystal glass, and a light shading body is arranged in the assembly gap. The utility model provides a backlight module, not only the appearance is pleasing to the eye, has improved visual effect moreover.

Description

Backlight module and liquid crystal display television

Technical Field

The utility model relates to a LCD TV technical field especially relates to a backlight module and LCD TV.

Background

With the continuous development of science and technology, people have higher and higher requirements on the quality of life. The liquid crystal television is also required to have beautiful appearance and artificial intelligence.

At present, a large gap is formed between liquid crystal glass and a middle frame of the full-screen liquid crystal display television, and the end face of the middle frame is higher than the surface of the liquid crystal glass due to the requirement of protecting the liquid crystal glass, so that a height difference is formed, the appearance is influenced, and the gap is easy to accumulate dust. In addition, the edge of the liquid crystal glass is slightly penetrated by light, which causes poor vision.

SUMMERY OF THE UTILITY MODEL

One objective of the present invention is to provide a backlight module, which has a full-plane structure on the outer surface, so as to be more beautiful; and the edge of the liquid crystal glass is light-tight, so that poor vision is avoided.

Another object of the present invention is to provide a liquid crystal display television, which has a good visual effect and a beautiful appearance.

To achieve the purpose, the utility model adopts the following technical proposal:

a backlight module comprises a middle frame and liquid crystal glass, wherein the middle frame comprises a first connecting plate and a second connecting plate, and the first connecting plate is perpendicular to the second connecting plate; one side of the liquid crystal glass is fixedly connected with the second connecting plate, and the other side of the liquid crystal glass is flush with one end of the first connecting plate; an assembly gap is arranged between the side wall of the first connecting plate and the liquid crystal glass, and a light shading body is arranged in the assembly gap.

Optionally, the light shielding body is UV glue, and the UV glue is filled in the assembly gap.

Optionally, one end of the first connecting plate, which is flush with the liquid crystal glass, is set to be an inclined end surface, and one side of the inclined end surface, which is far away from the liquid crystal glass, is higher than one side of the inclined end surface, which is close to the liquid crystal glass.

Optionally, the light shielding body is a flexible plug, and the flexible plug is in interference fit with the assembly gap.

Optionally, one end of the first connecting plate, which is flush with the liquid crystal glass, is provided with a first step, one end of the flexible plug is provided with a second step, and the first step and the second step are connected in a matched manner.

Optionally, the backlight module further comprises an LED strip, and the LED strip is disposed on the first connection plate.

Optionally, a plurality of through holes are formed in the first connecting plate, the LED lamp strip comprises a connecting strip and a plurality of LED lamps arranged on the connecting strip at intervals, the LED lamps are arranged in the through holes respectively, and the connecting strip is fixedly connected with the first connecting plate.

Optionally, the LED lamp is an RGB three-color lamp.

Optionally, the backlight module further comprises a back plate and a control main board, the liquid crystal glass and the back plate are respectively arranged on two sides of the second connecting plate, the control main board is fixed on the back plate, and the LED lamp strip is electrically connected with the control main board.

A liquid crystal television comprises the backlight module.

The utility model has the advantages that:

the utility model provides a backlight module, through one side with liquid crystal glazing and second connecting plate fixed connection, the one end parallel and level of opposite side and first connecting plate for backlight module's surface is full planar structure, and the appearance is pleasing to the eye. A light shading body is arranged in an assembly gap between the side wall of the first connecting plate and the liquid crystal glass, so that the appearance can be beautified, and dust accumulation is avoided; but also can protect the edge of the liquid crystal glass and shield the light transmission of the edge of the liquid crystal glass. The utility model provides a backlight module, not only the appearance is pleasing to the eye, has improved visual effect moreover. In addition, set up LED lamp area on first connecting plate, LED lamp area can be according to the temperament change of TV, builds the environment atmosphere, has improved the seeing and hearing and has experienced, has increased the AI effect.

The utility model provides a LCD TV uses foretell backlight unit, and the appearance is pleasing to the eye, and the visual and audio experience is good, has improved user's use and has experienced.

Drawings

Fig. 1 is a schematic structural diagram of a backlight module according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating an effect of filling an assembly gap with UV glue in a backlight module according to an embodiment of the present invention;

fig. 3 is a schematic view of a matching structure of a middle frame and an LED strip according to a first embodiment of the present invention;

fig. 4 is a schematic structural diagram of a backlight module according to a second embodiment of the present invention.

In the figure:

1. a middle frame; 2. liquid crystal glass; 3. an LED light strip; 4. UV glue; 5. an optical film; 6. a back plate; 7. soaking cotton glue; 8. a flexible plug; 9. retaining walls;

11. a first connecting plate; 12. a second connecting plate; 21. an upper polarizer; 31. an LED lamp; 32. a connecting belt;

111. and a through hole.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example one

As shown in fig. 1, the present embodiment provides a backlight module, which includes a middle frame 1 and a liquid crystal glass 2. The middle frame 1 comprises a first connecting plate 11 and a second connecting plate 12, and the first connecting plate 11 is perpendicular to the second connecting plate 12. One side of the liquid crystal glass 2 is fixedly connected with the second connecting plate 12, and the other side of the liquid crystal glass 2 is flush with one end of the first connecting plate 11; an assembly gap is arranged between the side wall of the first connecting plate 11 and the liquid crystal glass 2, and a light shading body is arranged in the assembly gap.

The backlight module provided by the embodiment is characterized in that one side of the liquid crystal glass 2 is fixedly connected with the second connecting plate 12, and the other side of the liquid crystal glass is flush with one end of the first connecting plate 11, so that the outer surface of the backlight module is of a full-plane structure, and the appearance is attractive. A light shading body is arranged in an assembly gap between the side wall of the first connecting plate 11 and the liquid crystal glass 2, so that the appearance can be beautified, and dust accumulation is avoided; and the edge of the liquid crystal glass 2 can be protected and the light transmission of the edge of the liquid crystal glass 2 can be shielded. The backlight module provided by the embodiment has attractive appearance and improves the visual effect.

In this embodiment, the middle frame 1 is disposed around the liquid crystal glass 2, two ends of the liquid crystal glass 2 are respectively and fixedly connected with the second connecting plates 12 of the middle frame 1 at two sides through the foam rubber 7, and the second connecting plates 12 are used for supporting and fixing the liquid crystal glass 2. The liquid crystal glass 2 comprises an upper polarizer 21, and the upper polarizer 21 is arranged at the outermost side of the liquid crystal glass 2.

Optionally, the light shielding body is UV glue 4, and the UV glue 4 is filled in the assembly gap. In this embodiment, the light-shielding body is the UV glue 4, and the UV glue 4 can not only block the assembly gap to prevent dust from being deposited in the assembly gap, but also protect the edge of the liquid crystal glass 2 from being damaged and shield the light transmission of the edge of the liquid crystal glass 2.

Alternatively, one end of the first connecting plate 11 flush with the liquid crystal glass 2 is set to be an inclined end surface, and one side of the inclined end surface far away from the liquid crystal glass 2 is higher than one side of the inclined end surface close to the liquid crystal glass 2. The arrangement of the inclined end face facilitates filling and fixing of the UV glue 4.

As shown in fig. 2, in this embodiment, the filling process flow of the UV glue 4 is as follows:

(1) the backlight module is placed on a special jig and is accurately positioned through an optical lens, and one side of the inclined end surface, which is far away from the liquid crystal glass 2, and one retaining wall 9 are respectively arranged at the upper polaroid 21;

(2) dispensing at the gap between the liquid crystal glass 2 and the side wall of the middle frame 1 by using a dispenser, and controlling the dispensing speed through the type selection of a glue nozzle, wherein the effect after dispensing is as shown in figure 2;

(3) after dispensing is finished, irradiating by using UV light to semi-cure the colloid;

(4) flattening the rubber surface by using a die, and removing 2 retaining walls 9;

(5) and continuously irradiating the UV light to cure the outer surface of the colloid.

Optionally, as shown in fig. 3, the backlight module further includes an LED strip 3, and the LED strip 3 is disposed on the first connection board 11. The backlight unit of this embodiment sets up LED lamp area 3 on first connecting plate 11, and LED lamp area 3 can be according to the temperament change of TV, builds the environment atmosphere, has improved the seeing and hearing and has experienced, has increased the AI effect.

Optionally, as shown in fig. 3, a plurality of through holes 111 are provided in the first connection board 11, the LED strip 3 includes a connection band 32 and a plurality of LED lamps 31 arranged on the connection band 32 at intervals, the plurality of LED lamps 31 are respectively arranged in the plurality of through holes 111, and the connection band 32 is fixedly connected to the first connection board 11. In the present embodiment, the connection tape 32 is adhered to the first connection board 11 by an adhesive tape, and the LED tape 3 is mounted on the left and right sides and the top side of the liquid crystal glass 2. The light of the LED lamp 31 is projected from the through hole 111 of the first connection plate 11 to generate a light effect.

Optionally, the LED lamp 31 is an RGB three-color lamp. The RGB three-color lamp has rich colors and better visual effect.

Optionally, the backlight module further includes a back plate 6 and a control motherboard (not shown in the figure), the liquid crystal glass 2 and the back plate 6 are respectively disposed on two sides of the second connecting plate 12, the control motherboard is fixed on the back plate 6, and the LED strip 3 is electrically connected with the control motherboard. In this embodiment, the backlight module further includes an optical film 5, and the optical film 5 is disposed inside the back plate 6. A plurality of different working modes are stored in the control main board, and the different working modes correspond to different light display effects. The control mainboard selects the luminous of suitable operating mode control LED lamp 31 according to the temperament change of TV, builds the environment atmosphere, improves the seeing and hearing and experiences.

The embodiment also provides a liquid crystal television which comprises the backlight module. The LCD TV that this embodiment provided uses foretell backlight unit, and the appearance is pleasing to the eye, and the visual and audio experience is good, has improved user's use and has experienced.

Example two

As shown in fig. 4, the present embodiment is different from the first embodiment in that: the light-shading body is a flexible plug 8, and the flexible plug 8 is in interference fit with the assembly clearance. Specifically, the first connecting plate 11 is provided with a first step at one end flush with the liquid crystal glass 2, the flexible plug 8 is provided with a second step at one end, and the first step and the second step are connected in a matching manner. The other end of the flexible plug 8 is provided with a third step, and the third step is connected with the liquid crystal glass 2 in a matching mode. The flexible plug 8 in this embodiment may be a rubber plug, a foam plug, or a plug made of other flexible material.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A backlight module, comprising:

the middle frame (1) comprises a first connecting plate (11) and a second connecting plate (12), and the first connecting plate (11) is perpendicular to the second connecting plate (12);

one side of the liquid crystal glass (2) is fixedly connected with the second connecting plate (12), and the other side of the liquid crystal glass (2) is flush with one end of the first connecting plate (11); an assembly gap is arranged between the side wall of the first connecting plate (11) and the liquid crystal glass (2), and a light shading body is arranged in the assembly gap.

2. The backlight module as claimed in claim 1, wherein the light shielding body is a UV glue (4), and the UV glue (4) is filled in the assembly gap.

3. The backlight module according to claim 2, wherein one end of the first connecting plate (11) flush with the liquid crystal glass (2) is set as an inclined end surface, and a side of the inclined end surface far away from the liquid crystal glass (2) is higher than a side of the inclined end surface close to the liquid crystal glass (2).

4. The backlight module according to claim 1, wherein the light shielding body is a flexible plug (8), and the flexible plug (8) is in interference fit with the assembly gap.

5. The backlight module according to claim 4, wherein the first connecting plate (11) is provided with a first step at one end flush with the liquid crystal glass (2), and the flexible plug (8) is provided with a second step at one end, and the first step and the second step are connected in a matching manner.

6. The backlight module according to claim 1, characterized in that the backlight module further comprises a LED strip (3), the LED strip (3) being arranged on the first connection plate (11).

7. The backlight module according to claim 6, wherein the first connecting plate (11) is provided with a plurality of through holes (111), the LED strip (3) comprises a connecting strip (32) and a plurality of LED lamps (31) arranged on the connecting strip (32) at intervals, the plurality of LED lamps (31) are respectively arranged in the plurality of through holes (111), and the connecting strip (32) is fixedly connected with the first connecting plate (11).

8. The backlight module according to claim 7, wherein the LED lamp (31) is a RGB three-color lamp.

9. The backlight module according to claim 8, further comprising a back plate (6) and a control motherboard, wherein the liquid crystal glass (2) and the back plate (6) are respectively disposed on two sides of the second connecting plate (12), the control motherboard is fixed on the back plate (6), and the LED strip (3) is electrically connected to the control motherboard.

10. A liquid crystal television comprising a backlight module according to any one of claims 1 to 9.