WO2019128196A1

WO2019128196A1 - Display device

Info

Publication number: WO2019128196A1
Application number: PCT/CN2018/095870
Authority: WO
Inventors: 柴佐; 张弓; 柴岩峰; 黎兵; 林怡丰
Original assignee: 深圳Tcl新技术有限公司
Priority date: 2017-12-27
Filing date: 2018-07-17
Publication date: 2019-07-04
Also published as: CN207560193U

Abstract

Disclosed is a display device, comprising a back plate, a middle frame, multiple screwed connection members and a screen panel, wherein the middle frame comprises three rims, each of the rims comprising a rim main body and a mounting convex plate; front lateral faces of the mounting convex plates of the three rims are all provided with mounting holes in a penetrating manner; the back plate cooperates with a rear port of the middle frame, and the back plate is folded forwards and inwards at positions corresponding to the three rims to respectively form three folded edges; each of the folded edges is provided with a threaded hole corresponding to the mounting hole in each mounting convex plate; the multiple screwed connection members correspondingly pass through the multiple mounting holes and are mounted in the multiple threaded holes; and the screen panel cooperates with a front port of the middle frame and is attached to a front surface of each mounting convex plate.

Description

Display device

Technical field

The present application relates to the field of display technologies, and in particular, to a display device.

Background technique

The display device uses a TV as an example. At present, the industry is aiming at ultra-thin. Usually, the ultra-thin place is ultra-thin on the left side, the right side and the sky side of the TV set, and the existing TV thickness is below 4.9 mm. In the product, the connecting screw on the back panel is exposed at the outer end, which seriously affects the appearance. It is necessary to design a television set with no screws on the outer side of the left side, the right side and the sky side. Will have great advantages in the market.

Utility model content

The main object of the present application is to provide a display device for designing a display device without screws exposed at the outer end of the three-side ultra-thin place.

To achieve the above objective, the display device proposed by the present application includes:

The middle frame includes three frames connected in sequence, each of the frames includes a frame body and a mounting protrusion extending from an inner side surface of the frame body, and the front side of the mounting frame of the three frames is uniform With mounting holes;

a back plate is matched with the rear port of the middle frame, and the back plate is folded forward and inward to form three fold edges respectively corresponding to the three frames, and the three folded edges Corresponding to the mounting convex plates abutting the three frames, each of the folding edges is provided with a threaded hole corresponding to the mounting hole of the mounting convex plate;

a plurality of screwing members, correspondingly mounted to the plurality of threaded holes through the plurality of mounting holes;

a screen panel mated with the front port of the middle frame and attached to the front surface of the mounting convex plate.

Optionally, a distance of a front surface of the folded edge from a front surface of the backboard is H, a thickness of the backboard is t, and t<H≤1.5t.

Optionally, the mounting hole is disposed in a stepped hole that is large in front and small, and a head of the screwing member is disposed in a front portion of the mounting hole.

Optionally, a rear surface of each of the mounting protrusions protrudes to form a reinforcing boss, and the mounting hole is disposed at a position where the mounting protrusion is provided with the reinforcing boss, and extends through the reinforcing boss Setting

Each of the folded edges abuts against a corresponding reinforcing boss of the mounting boss.

Optionally, the inner end of each of the mounting flanges is disposed in a front convex and rear concave step.

Optionally, the inner end surface of the folded edge is flush with the inner end surface of the reinforcing boss; or

The inner end surface of the folded side is located outside the inner end surface of the reinforcing boss.

Optionally, the folded edge disposed on the upper side of the backboard includes a plurality of segmented folding sections, and a gap is formed between adjacent the folded sections.

Optionally, it also includes:

a lower front frame mounted on a front surface of a lower end of the screen panel;

a rear case is mounted on a rear surface of the lower end of the back plate, and the rear case is enclosed with the back plate to form a receiving cavity;

A heat sink is disposed in the receiving cavity.

Optionally, a double-sided tape is further disposed between the three mounting convex plates of the middle frame and the screen panel, so that the screen panel is attached to the three mounting convex plates.

Optionally, the optical module is further disposed in the middle frame and located between the backboard and the screen panel;

The optical module includes a reflection sheet, a light guide plate, a brightness enhancement sheet, and a diffusion sheet which are sequentially disposed from the back to the front.

Optionally, the rear surface of the backboard is flush with the rear surface of the three frames.

Optionally, the display device is one of a display, a computer integrated machine, and an ultra-thin television.

In the technical solution provided by the present application, the front surface of the three mounting convex plates of the middle frame are provided with mounting holes, and the three folded edges of the back plate correspond to the mounting holes of the corresponding mounting convex plates. a plurality of the threaded holes are disposed in the threaded holes correspondingly through the mounting holes provided on the middle frame, thereby achieving a fixed connection between the back plate and the middle frame, The screwing member is located in the display device, and no screwing member is leaked on the upper side, the left side and the right side of the display device, so that the three-sided appearance has no screw display, and the appearance is better. .

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 perspective view of a display device in the prior art;

Figure 2 is a cross-sectional view taken along line A-A of Figure 1;

3 is a perspective exploded view of an embodiment of a display device provided by the present application;

Figure 4 is a partial cross-sectional enlarged view of the display device (with a screw member) of Figure 3;

Figure 5 is a partial cross-sectional enlarged view of the display device (not at the screw) of Figure 3;

Figure 6 is a perspective view of the back plate of Figure 3;

Figure 7 is an enlarged schematic view of a portion B of Figure 6;

Figure 8 is a perspective view of the middle frame of Figure 3;

Figure 9 is a cross-sectional view taken along line C-C of Figure 8;

Figure 10 is a perspective exploded view of the display device (flat) of Figure 3;

Figure 11 is an enlarged schematic view of a portion D of Figure 8.

Description of the reference numerals:

标号Label	名称name	标号Label	名称name
100100	显示装置Display device	221221	安装孔Mounting holes
11	背板Backplane	222222	加强凸台Strengthen the boss
1111	翻折边Folded edge	33	螺接件Screw connector
111111	翻折段Folding section	44	屏面板Screen panel
112112	让位缺口Give way gap	55	光学模组Optical module
1212	螺纹孔Threaded hole	66	下前框Front front frame
22	中框Middle frame	77	散热器heat sink
21twenty one	边框frame	88	后壳Back shell
211211	框主体Frame body	99	双面胶Double-sided tape
22twenty two	安装凸板Mounting plate

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 in the embodiment of the present application, the directional indication is only used to explain the relative positional relationship, the motion situation, and the like between the components in a certain posture, if the specific posture changes. Then, 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" or "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 present application provides a display device, which may be a display, a computer integrated machine, an ultra-thin television, etc., and an ultra-thin television will be taken as an example. FIG. 1 to FIG. 2 are schematic diagrams of a display device in the prior art. 3 to FIG. 11 are schematic diagrams of an embodiment of a display device provided by the present application.

In FIG. 1 to FIG. 2, in the structure of the prior art display device, the screw member is mounted on the middle frame through a through hole provided in the back plate from the back, and the display device is on the upper side as a whole. The screws are displayed on the left and right sides, and the appearance quality is not good.

Referring to FIG. 3 to FIG. 9 , the display device 100 includes a backboard 1 , a middle frame 2 , a plurality of screw connectors 3 , and a screen panel 4 , wherein the middle frame 2 includes three frames 21 connected in sequence. Each of the frame 21 includes a frame body 211 and a mounting protrusion 22 extending from an inner side surface of the frame body 211. The front surface of the mounting frame 22 of the three frames 21 is uniformly provided with a mounting hole. 221, the backplane 1 is matched with the rear port of the middle frame 2, and the backboard 1 is folded forward and inward by three fold edges respectively corresponding to the three frames 21 The three folded edges 11 are correspondingly connected to the mounting convex plates 22 of the three frame 21s, and each of the folded edges 11 is disposed corresponding to the mounting hole 221 of the mounting convex plate 22 a threaded hole 12, the plurality of screwing members 3 are correspondingly mounted in the plurality of threaded holes 12 through the plurality of mounting holes 221, and the screen panel 4 is engaged with the front port of the middle frame 2 and Attached to the front surface of the mounting tab 22 .

In the technical solution provided by the present application, the front surface of the three mounting flanges 22 of the middle frame 2 are provided with mounting holes 221, and the three folded edges 11 of the backboard 1 correspond to the corresponding mounting protrusions. The mounting hole 221 of the plate 22 is provided with a threaded hole 12, and the plurality of the screwing members 3 are mounted in the threaded hole 12 correspondingly through the mounting hole 221 provided on the middle frame 2 from the front. The back plate 1 is fixedly connected to the middle frame 2, and the screwing member 3 is located in the display device 100, and is not screwed on the upper side, the left side and the right side of the display device 100. The outer leakage of the piece 3 realizes the three-sided appearance without screw display and has a good appearance effect.

The folding height of the folded edge 11 of the backboard 1 is a factor affecting the thickness of the display device 100. In the embodiment provided by the present application, please refer to FIG. 3, the front surface distance of the folded edge 11 The distance of the front surface of the back plate 1 is H, the thickness of the back plate 1 is t, and t<H≤1.5t, and the distance H is minimized on the premise that the back plate 1 can be bent. The value is to achieve an overall slimness of the display device 100.

In order to minimize the space occupied by the screwing member 3 in the display device 100, in the embodiment provided by the present application, referring to FIG. 4 and FIG. 9, the mounting hole 221 is a stepped hole with a large front and a small size. The head of the screwing member 3 is disposed in the front portion of the mounting hole 221, and the screwing member 3 does not increase the entire display device when the back plate 1 and the middle frame 2 are fixed. The thickness of 100 is used to pave the ultrathin of the display device 100.

Further, in the ultra-thin structure of the display device 100, in order to strengthen the connection strength of the mounting hole 221, a rear surface of each of the mounting convex plates 22 is convexly formed with a reinforcing boss 222, the mounting hole The 221 is disposed at a position where the mounting boss 22 is provided with the reinforcing boss 222, and is disposed through the reinforcing boss 222, and each of the folded edges 11 abuts against the corresponding mounting bracket 22 The reinforcing boss 222 increases the connection strength between the backboard 1 and the middle frame 2.

The display device 100 includes an optical module 5 mounted in the middle frame 2 between the back panel 1 and the screen panel 4, and the optical module 5 includes a rearward direction. The reflection sheet, the light guide plate, the brightness enhancement sheet and the diffusion sheet are sequentially arranged in front, and the optical film is an organic material. When transmitting and transmitting light, the optical film will expand and expand, and it is necessary to provide a certain expansion space of the optical film. In an embodiment, the inner end of each of the mounting convex plates 22 is disposed in a convex shape and a rear concave step, so that a space at a position corresponding to the optical film is large, and the optical film in the display device 100 is heated and expanded. The optical film can be diffused to the periphery after being expanded.

Further, the length of the folded edge 11 of the backboard 1 also affects the size of the thermal expansion space of the optical film. In the embodiment provided by the present application, the inner end surface of the folded edge 11 and the reinforcing boss 222 The inner end surface is flush; or the inner end surface of the folded side 11 is located outside the inner end surface of the reinforcing boss 222, and the size of the thermal expansion space of the optical film is ensured as much as possible, so that the optical film can be diffused to the periphery after being expanded.

Further, the thermal expansion of the optical film in the height direction is more obvious, and it is required to provide more expansion space on the upper side of the display device 100. In the embodiment provided by the present application, please refer to FIG. 6 and FIG. The folded side 11 of the upper side of the backboard 1 includes a plurality of segments of the folded section 111, and a recessing gap 112 is formed between the folded sections 111 for providing an optical film in the display device 100. The sheet is heated by the expansion space.

In order to optimize the appearance of the display device 100, in the embodiment provided by the present application, the front surface of the screen panel 4 is flush with the front surface of the three bezels 21, and the rear surface of the back panel 1 is The rear surface of the three frames 21 is flush, so that there is no protruding at the joint transition of the back plate 1 and the middle frame 2 and the transition of the middle frame 2 and the screen panel 4 Feel that the appearance is consistent. In addition, the thickness of the entire display device 100 is the sum of the thickness of the back plate 1, the thickness of the flange 1 of the back plate, the thickness of the mounting convex plate 22, and the thickness of the screen panel 4, so that the display device 100 has better performance. Ultra-thin effect.

Referring to FIG. 3 , in the embodiment provided by the present application, the display device 100 further includes a lower front frame 6 , a heat sink 7 and a rear case 8 , wherein the lower front frame 6 is mounted on the lower end of the screen panel 4 . a front surface, the rear case 8 is mounted on a rear surface of the lower end of the back plate 1, and the rear case 8 is enclosed with the back plate 1 to form a receiving cavity (not shown), and the heat sink 7 is disposed at the front surface In the accommodating cavity (not shown), the back panel 1, the middle frame 2, the screen panel 4, the optical module 5, the lower front frame 6, the heat sink 7 and the rear case 8 are assembled, that is, the display is completed. Installation of device 100.

In the embodiment provided by the present application, the display device 100 further includes a double-sided tape 9 installed between the three mounting convex plates 22 of the middle frame 2 and the screen panel 4, so that the screen panel 4 is Attached to the three mounting flanges 22, the double-sided tape 9 is used to bond the panel 4 to the mounting tabs 22 to facilitate the installation of the structure.

Referring to FIG. 3, FIG. 10 and FIG. 11, the detailed installation process of the display device 100 is as follows:

1. The back raft 1 and the heat sink 7 are fastened by a screw joint 3;

2. The backing plate 1 is laid flat on the mounting platform, and the front side of the backing plate 1 faces upward;

3, the screw frame 3 is used to mount the middle frame 2 to the front surface of the back plate 1 to form the display device 100;

4. The optical module 5 is disposed in the mounting cavity 401 of the display device 100;

5. The screen panel 4 is attached to the mounting convex plate 22 of the middle frame 2;

6. Install the lower front frame 6 to the lower front surface of the screen panel 4;

7. Flip the entire display device 180°, the front surface of the screen panel 4 facing downward;

8. installing related electronic hardware on the heat sink 7;

9. Cover the rear case 8.

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 transformations made by the contents of the specification and the drawings of the present application, or directly/indirectly Other related technical fields are included in the patent protection scope of the present application.

Claims

A display device, comprising:

The middle frame includes three frames connected in sequence, each of the frames including a frame body and a mounting convex plate extending from an inner side surface of the frame body, and the front side of the mounting frame of the three frames is uniform With mounting holes;

a back plate is matched with the rear port of the middle frame, and the back plate is folded forward and inward to form three fold edges respectively corresponding to the three frames, and the three folded edges Corresponding to the mounting convex plates abutting the three frames, each of the folding edges is provided with a threaded hole corresponding to the mounting hole of the mounting convex plate;

a plurality of screwing members, correspondingly mounted to the plurality of threaded holes through the plurality of mounting holes;

a screen panel mated with the front port of the middle frame and attached to the front surface of the mounting convex plate.
The display device according to claim 1, wherein a front surface of the folded side is at a distance H from a front surface of the back sheet, a thickness of the back sheet is t, and t < H ? 1.5t.
The display device according to claim 1, wherein the mounting hole is provided in a stepped hole that is large in front and large, and a head of the screw member is suspended in a front portion of the mounting hole.
The display device as claimed in claim 1 , wherein a rear surface of each of the mounting protrusions protrudes to form a reinforcing boss, and the mounting hole is disposed at a position where the mounting protrusion is provided with the reinforcing boss And extending through the reinforcing boss;

Each of the folded edges abuts against a corresponding reinforcing boss of the mounting boss.
The display device according to claim 4, wherein an inner end of each of said mounting bosses is provided in a front convex and a rear concave step.
The display device according to claim 5, wherein an inner end surface of the folded side is flush with an inner end surface of the reinforcing boss; or

The inner end surface of the folded side is located outside the inner end surface of the reinforcing boss.
The display device according to claim 1, wherein the folded side provided on the upper side portion of the backboard includes a plurality of sections of folded-over sections, and a gap is formed between adjacent ones of the folded-out sections.
The display device of claim 1, further comprising:

a lower front frame mounted on a front surface of a lower end of the screen panel;

a rear case is mounted on a rear surface of the lower end of the back plate, and the rear case is enclosed with the back plate to form a receiving cavity;

A heat sink is disposed in the receiving cavity.
The display device as claimed in claim 1, further comprising a double-sided tape installed between the three mounting tabs of the middle frame and the screen panel to attach the panel to the three Install the flanges.
The display device of claim 1 , further comprising an optical module, the optical module being mounted in the middle frame and located between the back plate and the screen panel;

The optical module includes a reflection sheet, a light guide plate, a brightness enhancement sheet, and a diffusion sheet which are sequentially disposed from the back to the front.
The display device of claim 1, wherein a rear surface of the back panel is flush with a rear surface of the three bezels.
The display device according to claim 1, wherein said display device is one of a display, a computer integrated device, and an ultra-thin television.