WO2019019876A1

WO2019019876A1 - Liquid crystal television

Info

Publication number: WO2019019876A1
Application number: PCT/CN2018/094155
Authority: WO
Inventors: 刘亚东; 杨福军; 严方红; 朱生林; 饶春利
Original assignee: 深圳Tcl新技术有限公司
Priority date: 2017-07-27
Filing date: 2018-07-03
Publication date: 2019-01-31
Also published as: CN107302673A

Abstract

Disclosed is a liquid crystal television, comprising: a shell, the shell comprising a back plate, and two lateral boards respectively arranged at two opposite lateral sides of the back plate; a display module, the display module comprising a supporting frame, and a display screen and an optical film group mounted on the supporting frame, and the supporting frame having two opposite lateral frame strips; one of inner lateral faces of the lateral boards and outer lateral faces of the corresponding lateral frame strips of the supporting frame being provided with a sliding rail extending in the extension direction of the lateral sides of the back plate in a convex manner, and the other one being provided with a sliding groove matching the sliding rail, and by means of mounting the sliding groove and the sliding rail in a sliding manner, the display module being mounted on the shell; and an electrical control module, the electrical control module being arranged on the shell, and comprising a main control board integrated with a television signal processing module, and the main control board being electrically connected to the display screen.

Description

LCD TV

Technical field

The present application relates to the field of television, and in particular to a liquid crystal television.

Background technique

At present, a common liquid crystal television set on the market generally includes a housing, a reflective sheet, a light guide plate, other optical films, and a display screen, wherein the housing includes a back plate, a plastic frame, and a front frame. In the process of assembling such a liquid crystal television set, it is generally assembled one by one according to the following order of parts, a back sheet → a reflective sheet → a light guide plate → a plastic frame → another optical film → a display screen → a front frame, thus, due to a large number of components And scattered, resulting in complicated assembly process and low assembly efficiency.

Application content

The main purpose of the present application is to propose a liquid crystal television set aimed at improving the assembly efficiency of the liquid crystal television set.

To achieve the above object, the liquid crystal television set proposed by the present application includes:

a housing, the housing includes a backboard, and two side plates disposed on opposite sides of the backboard;

a display module, the display module includes a support frame, and a display screen and an optical film set mounted on the support frame, the support frame has opposite side frame strips; the inner side of the side plate and the One of the outer side surfaces of the supporting frame corresponding to the side frame strip is provided with a sliding rail extending along the extending direction of the side edge of the backing plate, and the other is provided with a sliding slot that cooperates with the sliding rail; Sliding mounting of the chute and the slide rail to mount the display module to the housing;

The electronic control module is disposed in the housing and includes a main control board integrated with a television signal processing module, and the main control board is electrically connected to the display screen.

Optionally, the sliding slot is formed by recessing on a corresponding side surface; or the sliding slot is formed by two convex ribs disposed on the corresponding side surface, and the protruding rib extends along a side of the corresponding backing plate The direction extends.

Optionally, the cross section of the sliding groove is arranged in a dovetail shape which is gradually expanded in the depth direction of the groove, and the cross-sectional shape of the sliding rail is adapted to the shape of the sliding groove.

Optionally, the side frame strip of the support frame includes a substrate, and a partition plate disposed on an inner side surface of the substrate, the sliding slot is disposed on an outer side surface of the substrate, the display screen and the optical film The components are disposed on opposite sides of the separator.

Optionally, the sliding slot is disposed at a position opposite to the partition plate on an outer side surface of the substrate.

Optionally, the side frame strip of the support frame further includes a limiting plate disposed on an inner side surface of the substrate, the limiting plate is spaced apart from the partition plate, and a side edge of the display screen is located at the Between the partition plate and the limiting plate.

Optionally, the display screen and the optical film set are both fixed to the partition.

Optionally, the housing further includes a top plate disposed on a top edge of the backboard, and a bottom edge of the backboard is vacant to form a sliding between the lower ends of the two side panels for the display module Installed into the installation port;

The display module slides into the housing from the mounting port, and the top of the display module abuts against the top plate.

Optionally, the top plate is integrally formed with the back plate; or the top plate is a separate piece fixedly connected to the back plate.

Optionally, the bottom edge and the top edge of the backboard are vacant to form a mounting opening between the lower ends of the two sliding slots, and a decorative opening is formed between the upper ends of the two sliding slots; the display The module slides into the housing from the mounting opening or the decorative opening.

Optionally, the liquid crystal television set further includes a top decorative piece that closes the decorative opening.

Optionally, the optical film set includes a light guide plate, and a bottom end of the support frame is vacant; the liquid crystal television set further includes a sealing component that closes the mounting opening, and the sealing component and the light guide plate There is a backlight strip between the bottom edges.

Optionally, the sealing assembly includes a light strip heat sink, the light strip heat sink includes a first heat sink for mounting the back side of the backlight strip, and a side edge connected to the first heat sink The second heat dissipation plate is fixedly attached to the back surface of the back plate.

Optionally, the sealing assembly further includes a lower decorative frame strip, the lower decorative frame strip includes a decorative bottom plate, and a decorative front side panel and a decorative rear side panel respectively disposed on opposite sides of the decorative bottom panel, the decorative bottom panel A screen support strip is disposed between the bottom edge of the display screen and the backlight strip, and the decorative rear side panel is fixedly disposed on an outer side surface of the second heat dissipation board, and the front side of the decoration The board is at least covered to the bottom edge of the display screen.

In the technical solution of the present application, when the liquid crystal television set is assembled, the display screen and the optical film set may be first mounted on the support frame to obtain a display module as a whole module, and then pass through the chute and the slide rail. The display module can be integrally mounted to the housing by sliding installation. Thus, on the one hand, the modular installation of the liquid crystal television is realized, the component of the liquid crystal television is reduced, the assembly process is simplified, and the assembly process is improved. Assembly efficiency; on the other hand, the assembly screw between the housing and the display module can be saved, which not only saves cost, but also improves the appearance simplicity of the housing, and makes the liquid crystal by reducing the installation space required for assembling the screw. The thinner the TV, the effect of a narrow bezel. Moreover, in the present application, the worker does not need to carry the housing when assembling the display module, and the assembly operation of the worker is more convenient.

DRAWINGS

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings to be used in the embodiments or the prior art description will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present application, and other drawings can be obtained according to the structures shown in the drawings without any creative work for those skilled in the art.

1 is a schematic exploded view of an embodiment of a liquid crystal television set of the present application;

2 is a sliding assembly view of the display module and the housing of the liquid crystal television of FIG. 1 in a rear view;

Figure 3 is a partial enlarged view of A in Figure 1;

4 is a schematic exploded view of a display module of the liquid crystal television of FIG. 1;

Figure 5 is a schematic horizontal cross-sectional view of the display module and the housing of Figure 2 after assembly;

6 is a schematic horizontal cross-sectional view of a display module and a housing of another embodiment of the liquid crystal television of the present application after assembly.

Description of the reference numerals:

标号Label	名称name	标号Label	名称name
11	壳体case	1010	滑轨Slide rail
1111	背板Backplane	1212	侧板Side panel
22	显示模组Display module	2020	滑槽Chute
21twenty one	支撑框Support frame	211211	侧框条Side frame
212212	顶框条Top frame	211a211a	基板Substrate
211b211b	隔板Partition	211c211c	限位板Limit plate
22twenty two	显示屏Display	23twenty three	光学膜片组Optical film set
231231	导光板Light guide	232232	反射片A reflective sheet
233233	DOP膜片DOP diaphragm	33	封口组件Sealing component
3131	灯条散热件Light strip heat sink	311311	第一散热板First heat sink
312312	第二散热板Second heat sink	3232	下装饰框条Lower decorative frame
321321	装饰底板Decorative floor	322322	装饰前侧板Decorative front side panel
323323	装饰后侧板Decorative rear side panel	44	背光灯条Backlight strip
55	屏支撑条Screen support bar

The implementation, functional features and advantages of the present application will be further described with reference to the accompanying drawings.

Detailed ways

The technical solutions in the embodiments of the present application are clearly and completely described in the following with reference to the drawings in the embodiments of the present application. It is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present application without departing from the inventive scope are the scope of the present application.

It should be noted that, if there is a directional indication (such as up, down, left, right, front, back, ...) in the embodiment of the present application, the directional indication is only used to explain in a certain posture (as shown in the drawing) The relative positional relationship between the components, the motion situation, and the like, if the specific posture changes, the directional indication also changes accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is used for descriptive purposes only, and is not to be construed as an Its relative importance or implicit indication of the number of technical features indicated. Thus, features defining "first" and "second" may include at least one of the features, either explicitly or implicitly. In addition, the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the combination of the technical solutions is contradictory or impossible to implement, it should be considered that the combination of the technical solutions does not exist. Nor is it within the scope of protection required by this application.

The application proposes a liquid crystal television set.

Referring to FIG. 1 , FIG. 2 and FIG. 5 , in an embodiment of the present application, the liquid crystal television set includes:

The housing 1 includes a back plate 11 and two side plates 12 disposed on opposite sides of the back plate 11. The inner side of each side plate 12 has a sliding surface extending along the length of the side plate 12. Rail 10;

The display module 2 includes a support frame 21, a display screen 22 mounted on the support frame 21, and an optical film set 23, and the outer sides of the opposite side frame strips 211 of the support frame 21 are respectively provided. a chute 20 that cooperates with the slide rail 10;

An electronic control module (not shown) is disposed in the housing 1 and includes a main control board integrated with a television signal processing module, and the main control board is electrically connected to the display screen 22.

It should be noted that the present design is not limited thereto. In other embodiments, the positions of the slide rail and the sliding slot are interchangeable, that is, the sliding slot is disposed on the inner side surface of the side panel 12, and the sliding rail is correspondingly disposed on the side. The outer side of the frame strip 211. In addition, in the present application, the chute is generally formed by recessing on the corresponding side; of course, the chute can also be formed by two ribs disposed on the corresponding side, it being understood that the rib is along the side of the corresponding back plate 11 The extension of the side extends. In this embodiment, specifically, the chute 20 is recessed on the outer side surface of the corresponding side frame strip 211.

Without loss of generality, in this embodiment, the optical film group 23 includes a reflective sheet 232, a light guide plate 231 and other optical films; the display screen 22 usually adopts an LCD screen; and the main control board is processed according to the television signal processing module. The resulting television signal controls the display screen 22 to display a television image corresponding to the television signal. In addition, in the present embodiment, the housing 1 is preferably integrally formed, which facilitates mass production of the housing 1 on the one hand, and requires a large number of screws to be used for the back panel 11, the plastic frame and the conventional housing 1 on the other hand. The technical solution that the front frame lock is attached together, the technical solution can avoid the cumbersome screw assembly and does not require the use of additional tools.

In the technical solution of the present application, when the liquid crystal television set is assembled, the display screen 22 and the optical film set 23 can be first mounted on the support frame 21 to obtain a display module 2 as a whole module, and then pass through the chute. The sliding module is mounted on the housing 1 to integrally mount the display module 2 to the housing 1. Thus, on the one hand, the modular installation of the liquid crystal television is realized, and the component of the liquid crystal television is reduced. The assembly process is simplified, the assembly efficiency is improved, and the assembly screws between the housing 1 and the display module 2 are saved on the other hand, which not only saves cost, but also improves the appearance of the housing 1 and reduces the assembly screws. The required installation space makes the LCD TV thinner and achieves a narrow bezel effect. Moreover, in the present application, the worker does not need to carry the housing 1 when assembling the display module 2, and the assembly operation of the worker is more convenient.

Optionally, at least one of the outer surface of the slide rail 10 and the inner groove surface of the sliding slot 20 is provided as a smooth surface to improve the smoothness of relative sliding between the two, thereby further improving the assembly efficiency of the liquid crystal television. .

In this embodiment, the cross section of the chute 20 is generally rectangular, and the cross-sectional shape of the slide rail 10 is adapted to the shape of the chute 20; however, the design is not limited thereto, and in other embodiments, The cross section of the chute 20 may also be arranged in a dovetail shape which is gradually enlarged in the depth direction of the groove, such that even if the distance between the inner side faces of the side plates 12 of the casing 1 is larger than the outer side of the side frame strips 211 of the support frame 21 The distance between them is much larger, and the phenomenon that the display module 2 is shaken left and right in the casing 1 can also be avoided.

Further, with respect to the support frame 21, the side frame strip 211 includes a substrate 211a and a partition plate 211b provided on the inner side surface of the substrate 211a. The chute 20 is disposed on the outer side of the substrate 211a, and the display screen 22 and the optical film group 23 are disposed on opposite sides of the partition 211b. It will be appreciated that the arrangement of the spacers 211b can provide attachment and support for the assembly of the display screen 22 and the optical film set 23 on the support frame 21. Specifically, referring to FIG. 4, when the display module 2 is assembled, the display screen 22 is first mounted on one side of the partition 211b to form a support frame-display assembly, and the support frame-display assembly is assembled by the clamp. Flip, and sequentially install other optical films (such as DOP film 233), light guide plate 231 and reflective sheet 232 on the other side of the partition 211b, thereby completing the modular assembly of the display module 2, and waiting for the whole machine to be assembled. . In this embodiment, the display screen 22 and the optical film set 23 are preferably fixed to the partition plate 211b. Specifically, the display screen 22 can be adhesively fixed to the partition plate 211b, and the material used for bonding can be adhesive glue. It can also be a double-sided tape, which is not limited in this application.

In this embodiment, optionally, the side frame strip 211 of the support frame 21 further includes a limiting plate 211c disposed on an inner side surface of the substrate 211a. The limiting plate 211c is spaced apart from the partition plate 211b, and the side of the display screen 22 is The edge is located between the partition plate 211b and the limiting plate 211c; it can be understood that the display screen 22 is generally heavy, and only by its adhesion to the partition plate 211b, it is difficult to ensure that the display screen 22 can be stably fixed to the support frame. 21, for this reason, the addition of the limiting plate 211c can restrict the display screen 22 from being separated from the support frame 21 in a direction away from the plate surface of the partition plate 211b. Optionally, the substrate 211a, the partition plate 211b, and the limiting plate 211c are integrally formed to facilitate mass production, which may be extrusion molding, injection molding, and the like.

It can be understood that, in the present application, the opening of the chute 20 on the substrate 211a reduces the thickness of the corresponding position of the substrate 211a, thereby reducing the rigidity of the substrate 211a to some extent. In the present embodiment, the chute 20 is preferably disposed at a position opposite to the partition 211b on the outer surface of the substrate 211a. Thus, the rigidity of the position of the chute 20 on the substrate 211a is weakened and can be enhanced by the protruding partition 211b.

In this embodiment, the housing 1 further includes a top plate disposed on the top edge of the back plate 11, and the bottom edge of the back plate 11 is vacant to form a display module 2 between the lower ends of the two side plates 12. Slide into the mounting port of the installation. The display module 2 slides into the housing 1 from the mounting opening, and the top of the display module 2 abuts against the top plate. In this embodiment, the top plate is preferably integrally formed with the back plate 11 to facilitate mass production of the casing 1; of course, in other embodiments, the top plate may also be a separate piece fixedly connected to the back plate 11. Without loss of generality, on the housing 1, generally, the two ends of the top plate are respectively connected to the top ends of the side plates 12. It can be understood that, in this embodiment, the overall sliding assembly direction of the display module 2 is from the bottom edge of the back panel 11 toward the top edge, and the top panel is disposed to prevent the display module 2 from slipping during the overall sliding assembly process. The phenomenon of the top edge of the backboard 11 is obtained. However, the present design is not limited thereto. In other embodiments, the mounting opening of the housing 1 may also be formed at the top end of the housing 1 such that the overall sliding assembly direction of the display module 2 is from the top edge of the back panel 11 toward the bottom. The direction of the side; for example, but not limited to, the bottom edge and the top edge of the back plate 11 are vacant to form a mounting opening between the lower ends of the two chutes 10, and a decorative opening is formed between the upper ends of the two chutes 10, The display module 2 can be slid into the housing 1 from either the mounting port or the decorative opening.

In this embodiment, the support frame 21 further includes a top frame strip 212, and two ends of the top frame strip 212 are respectively connected to the top ends of the side frame strips 211. It will be appreciated that both the display screen 22 and the edges of the optical film set 23 are susceptible to breakage, and the top frame strip 212 can be positioned to provide better edge protection for the display screen 22 and the optical film set 23. The bottom end of the support frame 21 is vacant so that backlight light can enter from the bottom edge of the light guide plate 231 of the optical film group 23. In this embodiment, optionally, the cross-sectional shape of the top frame strip 212 is consistent with the cross-sectional shape of the side frame strip 211. Thus, when the top frame strip 212 and the side frame strip 211 are prepared by extrusion molding. The top frame strip 212 and the side frame strip 211 can adopt the same extrusion mold, which reduces the mold cost and reduces the manufacturing cost.

Referring to FIGS. 1 and 3, further, the liquid crystal television set further includes a sealing assembly 3 that closes the mounting opening to limit the display module 2 to the housing 1. In this embodiment, a backlight strip 4 is disposed between the sealing member 3 and the bottom edge of the light guide plate 231. Of course, the backlight strip 4 faces the bottom edge of the light guide plate 231 so that the backlight light emitted from the backlight strip enters the light guide plate. 231; the back side of the backlight strip 4 is attached to the sealing assembly 3 to dissipate heat through the sealing assembly 3. It should be noted that, in the technical solution that the bottom edge and the top edge of the backboard 11 are vacant, in order to prevent the display module 2 from being exposed from the decorative opening, the appearance of the liquid crystal television is affected, optionally, the liquid crystal television. Also included is a top decorative piece that closes the decorative opening, and the top decorative piece may be a decorative film piece or a top decorative frame strip as long as the decorative opening can be closed.

It should be noted that the present design is not limited thereto. In other embodiments, the support frame 21 may be disposed to include a bottom frame strip, and the top end is in a hollow form. At this time, the sealing assembly 3 passes through the bottom frame of the support frame 21 . The strip is abutted to the limit; the backlight strip 4 can be disposed on the inner side of the top plate of the housing 1 so that the backlight light emitted from the top of the light guide plate 231 is incident. It can be understood that, in this case, the backlight The power supply conductors that are powered by the strip 4 need to extend to the top of the housing 1.

In this embodiment, the sealing assembly 3 further includes a light strip heat dissipating member 3, the light strip heat dissipating member 3 includes a first heat dissipating plate 311 for mounting the back side of the backlight strip 4, and is connected to the first heat dissipating plate. The second heat dissipation plate 312 is disposed on the back surface of the back plate 11 so that the backlight strip 4 can not only dissipate heat through the light bar heat dissipation member 3 but also through the indirect back. The board 11 performs heat dissipation to obtain higher heat dissipation efficiency.

Further, the sealing assembly 3 further includes a lower decorative frame strip 32 including a decorative bottom plate 321 and a decorative front side panel 322 and a decorative rear side panel 323 which are respectively disposed on opposite sides of the decorative bottom panel 321 , wherein the decoration The rear side plate 323 is fixedly disposed on the outer side surface of the second heat dissipation plate 312 to be indirectly fixed to the back plate 11; the decorative front side plate 322 is at least covered to the bottom edge of the display screen 22 to avoid the bottom edge of the display screen 22 The components between the decorative bottom plates 321 are exposed. In this embodiment, because the display screen 22 is heavy, in order to prevent the display screen 22 from sliding under the action of gravity, a screen support strip 5 disposed alongside the backlight strip 4 is disposed between the decorative bottom plate 321 and the bottom edge of the display screen 22. .

In the present application, in order to facilitate the disassembly and maintenance of the display module 2, the sealing assembly 3 is preferably detachably connected to the housing 1, and may be, but not limited to, connected by a screw lock or a snap connection. In this embodiment, specifically, the second heat dissipation plate 312 and the back plate 11 and the decorative rear side plate 323 and the second heat dissipation plate 312 are detachably connected.

The above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the patents of the present application, and the equivalent structural transformation, or direct/indirect use, of the present application and the contents of the drawings is used in the present invention. All other related technical fields are included in the patent protection scope of the present application.

Claims

A liquid crystal television set, comprising:

a housing, the housing includes a backboard, and two side plates disposed on opposite sides of the backboard;

a display module, the display module includes a support frame, and a display screen and an optical film set mounted on the support frame, the support frame has opposite side frame strips; the inner side of the side plate and the One of the outer side surfaces of the supporting frame corresponding to the side frame strip is provided with a sliding rail extending along the extending direction of the side edge of the backing plate, and the other is provided with a sliding slot that cooperates with the sliding rail; Sliding mounting of the chute and the slide rail to mount the display module to the housing;

The electronic control module is disposed in the housing and includes a main control board integrated with a television signal processing module, and the main control board is electrically connected to the display screen.
The liquid crystal television set according to claim 1, wherein the chute is formed by recessing on a corresponding side surface; or the chute is formed by two ribs disposed on corresponding sides, the rib Extending along the extending direction of the side of the corresponding backing plate.
A liquid crystal television set according to claim 1, wherein a cross section of said chute is provided in a dovetail shape which is gradually expanded in a groove depth direction, and a cross sectional shape of said slide rail is adapted to a shape of said chute Match.
The liquid crystal television set according to claim 1, wherein the side frame strip of the support frame comprises a substrate, and a partition plate disposed on an inner side surface of the substrate, wherein the sliding groove is disposed on an outer side surface of the substrate, The display screen and the optical film components are disposed on opposite sides of the separator.
The liquid crystal television set according to claim 4, wherein said chute is provided at a position opposite to said spacer on an outer side surface of said substrate.
The liquid crystal television set according to claim 4, wherein the side frame strip of the support frame further comprises a limiting plate disposed on an inner side surface of the substrate, the limiting plate being spaced apart from the partition plate, The side of the display screen is located between the partition plate and the limiting plate.
A liquid crystal television set according to claim 6, wherein said display screen and said optical film group are both fixed to said spacer.
The liquid crystal television set according to claim 1, wherein the casing further comprises a top plate disposed on a top edge of the backboard, and a bottom edge of the backboard is vacant to be at a lower end of the two side panels Forming a mounting port for sliding the display module into the installation;

The display module slides into the housing from the mounting port, and the top of the display module abuts against the top plate.
The liquid crystal television set according to claim 8, wherein the top plate is integrally formed with the back plate; or the top plate is a separate member fixedly coupled to the back plate.
The liquid crystal television set according to claim 1, wherein a bottom edge and a top edge of the back plate are vacant to form a mounting opening between the lower ends of the two chutes, and at the upper ends of the two chutes Forming a decorative opening therebetween; the display module slides into the housing from the mounting opening or the decorative opening.
A liquid crystal television set according to claim 10, wherein said liquid crystal television set further comprises a top trim member enclosing said decorative opening.
The liquid crystal television set according to claim 8, wherein the optical film set includes a light guide plate, and a bottom end of the support frame is vacant; and the liquid crystal television set further includes a sealing assembly that closes the mounting opening, and A backlight strip is disposed between the sealing component and the bottom edge of the light guide plate.
The liquid crystal television set of claim 12, wherein the sealing assembly comprises a light strip heat sink, the light strip heat sink comprises a first heat sink for mounting the back side of the backlight strip, and is connected to a second heat dissipation plate on one side of the first heat dissipation plate, and the second heat dissipation plate is fixedly disposed on a back surface of the back plate.
The liquid crystal television set of claim 13, wherein the sealing assembly further comprises a lower decorative frame strip, the lower decorative frame strip comprising a decorative bottom plate, and a decorative front side plate disposed on opposite sides of the decorative bottom plate and a rear side panel is disposed, and a screen support strip disposed along the backlight strip is disposed between the decorative bottom panel and the bottom edge of the display screen, and the decorative rear side panel is fixedly disposed on the second heat sink The outer side of the decorative front side panel is at least covered to the bottom edge of the display screen.
The liquid crystal television set according to claim 9, wherein the optical film set includes a light guide plate, and a bottom end of the support frame is vacant; and the liquid crystal television set further includes a sealing assembly that closes the mounting opening, and A backlight strip is disposed between the sealing component and the bottom edge of the light guide plate.
The liquid crystal television set of claim 10, wherein the optical film set comprises a light guide plate, the bottom end of the support frame is vacant; and the liquid crystal television set further comprises a sealing assembly that closes the mounting opening, and A backlight strip is disposed between the sealing component and the bottom edge of the light guide plate.
The liquid crystal television set according to claim 11, wherein the optical film set includes a light guide plate, and a bottom end of the support frame is vacant; and the liquid crystal television set further includes a sealing assembly that closes the mounting opening, and A backlight strip is disposed between the sealing component and the bottom edge of the light guide plate.