WO2021135341A1

WO2021135341A1 - Display device

Info

Publication number: WO2021135341A1
Application number: PCT/CN2020/113278
Authority: WO
Inventors: 黄晓程; 刘建国; 曾震华; 蔡少军
Original assignee: 惠州视维新技术有限公司
Priority date: 2019-12-31
Filing date: 2020-09-03
Publication date: 2021-07-08
Also published as: CN210722202U

Abstract

Disclosed is a display device, comprising a display panel (400), a middle frame structure (300), and a back plate structure (100), wherein the middle frame structure (300) supports the display panel (400); the back plate structure (100) comprises a back plate main body (110) and a back plate connecting plate (120); and one end of the back plate connecting plate (120) is connected to the back plate main body (110), the other end of the back plate connecting plate is bent and extends to form a supporting surface (126), and the supporting surface (126) abuts against the middle frame structure (300).

Description

Display device

This application claims the priority of a Chinese patent application filed with the Chinese Patent Office, the application number is 201922501651.X, and the invention title is "Display Device" on December 31, 2019, the entire content of which is incorporated into the application by reference.

Technical field

The present disclosure relates to the technical field of display devices, and in particular to a display device.

Background technique

A borderless display device refers to a display device with an extremely narrow screen frame, and adopts a design that integrates the display screen and the frame. The borderless display device is more beautiful in design, and to a certain extent, it brings a wider viewing area to the user, but the cost is higher. However, the display device with a frame, due to the lower cost of the LCD screen, has a slight advantage over the display device without a frame in cost. At present, the structure of the display device is complex, there are many parts during assembly, and there are problems of slow assembly speed and low efficiency.

Technical solutions

Based on this, the present disclosure provides a display device, which aims to solve the problems of complicated structure of the current display device, many parts during assembly, and slow assembly speed and low efficiency.

In order to achieve the above objectives, the present disclosure proposes the following technical solutions:

A display device includes:

Display panel

A middle frame structure, the middle frame structure supporting the display panel;

The back plate structure includes a back plate main body and a back plate connecting plate, one end of the back plate connecting plate is connected to the back plate main body, and the other end is bent and extended to form a supporting surface, and the supporting surface is connected to the middle frame structure Abut.

In some embodiments, the middle frame structure includes a middle frame body, and a middle frame side plate provided on the outer end side of the middle frame body, the middle frame body abuts against the supporting surface, and the middle frame The side plate corresponds to the side surface of the back plate connecting plate.

In some embodiments, the display device includes an optical module disposed between the backplane structure and the middle frame structure, the middle frame body has a middle frame protrusion extending toward the backplane body, and the middle frame protrusion Abut against the optical module.

In some embodiments, both ends of the middle frame side plate respectively protrude from both sides of the middle frame main body, and respectively form a panel limit side plate and a module limit side plate, and the panel limit side plate It is blocked on the outside of the edge of the display panel, and the module limiting side plate is blocked on the outside of the edge of the optical module.

In some embodiments, the optical module includes an optical film and a diffuser plate that are connected to each other, the optical film abuts against the middle frame, and the diffuser plate is connected to the back plate connecting plate.

In some embodiments, the middle frame structure is configured as a frame-shaped structure with gaps;

The display device further includes a plastic frame connected to the notch position of the middle frame structure, one side of the plastic frame is connected with the display panel, and the other side is connected with the optical module.

In some embodiments, the middle frame body is provided with a first connecting hole, the supporting surface is correspondingly provided with a second connecting hole, and the middle frame body and the back plate connecting plate pass through the first connecting hole. A connecting hole is connected with the screw connection of the second connecting hole.

In some embodiments, the display device includes an outer frame structure surrounding the middle frame structure and the peripheral side of the display panel, and the outer frame structure is connected to the backplane main body.

In some embodiments, the outer frame structure includes a ring-shaped outer frame body, an outer frame groove is formed on the inner side of the outer frame body, and the middle frame side plate, the display panel, and the back plate connecting plate The edges all extend into the groove of the outer frame;

The backplane connection plate is provided with process holes, the process holes are arranged along the edge of the backplane connection plate; the backplane connection plate is provided with a third connection hole adjacent to the process hole, and the outer frame The main body is correspondingly provided with a fourth connecting hole that is matched with the third connecting hole, and the outer frame main body and the back plate connecting plate pass through a second screw passing through the third connecting hole and the fourth connecting hole. Connector connection.

In some embodiments, the backplane structure further includes a diaphragm hook detachably provided on the backplane connecting plate, and the diaphragm hook is configured to be hooked to the optical diaphragm.

In some embodiments, the back plate connecting plate is an L-shaped bent plate, and the end of the L-shaped bent plate abuts the middle frame side plate.

In some embodiments, the backplane connecting plate is a U-shaped bent plate, and the edge of the optical module extends into a groove formed by the U-shaped bent plate.

In some embodiments, the U-shaped bent plate includes a first horizontal connecting plate section, a vertical connecting plate section, and a second horizontal connecting plate section; the first horizontal connecting plate section and the vertical connecting plate section Surrounding the second horizontal connecting plate section to form an accommodating groove, the accommodating groove is arranged to accommodate the edge of the optical module.

In some embodiments, the U-shaped bent plate includes a first horizontal connecting plate section, a vertical connecting plate section, and a plurality of second horizontal connecting plate sections; between the plurality of second horizontal connecting plate sections are formed Connection gap; the diaphragm hook is a diaphragm hook that is detachably arranged at the connection gap, and the top side of the optical diaphragm is provided with diaphragm hanging ears corresponding to the diaphragm hook.

In some embodiments, a positioning boss is provided on the backplane connecting plate, and a positioning hole corresponding to the positioning boss is provided on the middle frame body.

In the display device in the technical solution proposed in the present disclosure, a backplane body and a backplane connecting plate are arranged on the backplane structure, one end of the backplane connecting plate is connected to the backboard body, and the other end is bent and extended to form a supporting surface. Abutting with the middle frame structure to simplify the structure of the display device and effectively improve assembly efficiency.

Description of the drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present disclosure. For those of ordinary skill in the art, without creative work, other drawings can be obtained based on the structure shown in these drawings.

FIG. 1 is a schematic diagram of an exploded structure of a display device according to an embodiment of the disclosure;

2 is a schematic diagram of a three-dimensional structure of a backplane structure of a display device according to an embodiment of the disclosure;

FIG. 3 is a schematic diagram of a partially enlarged structure of part A of FIG. 2;

Fig. 4 is a partial enlarged schematic diagram of the part B of Fig. 2;

5 is a schematic partial cross-sectional structure diagram of the display device (where the middle frame structure and the back plate structure are connected) according to an embodiment of the disclosure;

6 is a schematic partial cross-sectional view of the display device (where the backplane structure and the outer frame structure are connected) according to an embodiment of the disclosure;

Attached icon number description:

标号 Label	名称 name	标号 Label	名称 name
100 100	背板结构 Backplane structure	110 110	背板主体 Backboard body
120 120	背板连接板 Backplane connection board	200 200	光学模组 Optical module
210 210	扩散板 Diffuser	220 220	光学膜片 Optical film
300 300	中框结构 Middle frame structure	310 310	中框主体 Middle frame body
320 320	中框侧板 Middle frame side panel	330 330	中框凸起 Raised middle frame
340 340	胶框 Plastic frame	400 400	显示面板 Display panel
500 500	外框结构 Frame structure	600 600	封屏胶（橡胶条） Sealing glue (rubber strip)
700 700	第一螺接件 First screw connection	800 800	第二螺接件 Second screw connection
102 102	膜片挂接件 Diaphragm hanger	122 122	工艺孔 Craft hole
124 124	第三连接孔 Third connecting hole	126 126	支撑面 Support surface
121 121	第一水平连接板段 The first horizontal connecting plate section	122 122	竖直连接板段 Vertical connecting plate section

The realization, functional characteristics and advantages of the objectives of the present disclosure will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Embodiments of the present invention

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present disclosure.

It should be noted that if there are directional indications (such as up, down, left, right, front, back, top, bottom...) involved in the embodiments of the present disclosure, the directional indication is only used to explain that it is in a specific posture ( As shown in the figure), if the relative positional relationship and movement conditions of the components underneath, if the specific posture changes, the directional indication will also change accordingly.

In addition, if there are descriptions related to "first", "second", etc. in the embodiments of the present disclosure, the descriptions of "first", "second", etc. are only used for descriptive purposes, and cannot be understood as instructions or implications. Its relative importance or implicitly indicates the number of technical features indicated. Therefore, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on what can be achieved by a person of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be achieved, it should be considered that such a combination of technical solutions does not exist. , Is not within the scope of protection required by this disclosure.

As shown in FIG. 1, the present disclosure proposes a display device including a backplane structure 100, a middle frame structure 300, and a display panel 400. The display panel 400 is fixed on the top surface of the middle frame structure 300, that is, the middle frame structure 300 can support and fix the display panel 400. The backplane structure 100 can be connected and fixed with the middle frame structure 300. Specifically, the backplane structure 100 may include a backplane main body 110 and a backplane connection plate 120. One end of the back plate connecting plate 120 is connected to the back plate main body 110, and the other end extends along the bending to form a supporting surface 126, and the supporting surface 126 abuts against the middle frame structure 300. In this way, the middle frame structure 300 can be supported by the supporting surface 126 on the back plate connecting plate 120 provided on the back plate structure 100, and the back plate structure 100 and the middle frame structure 300 can be fixed together. The above-mentioned backplane main body 110 and the backplane connection plate 120 can be integrated, that is, the backplane connection plate 120 is a part of the backplane main body 110. At this time, the backplane main body 110 and the backplane connection plate 120 are integrally formed. The plate connecting plate 120 abuts the middle frame structure 300, which reduces unnecessary assembly components and improves assembly efficiency; the two can also be arranged separately, that is, the two can be connected together in a detachable manner.

In this way, the display panel 400 can be supported and fixed by the middle frame structure 300, and the middle frame structure 300 and the back plate connection plate 120 of the back plate structure 100 can be simplified assembling structure, which improves the assembly efficiency.

In some embodiments, the above-mentioned display device may further include an optical module 200 disposed on the backplane structure 100, and the middle frame structure 300 abuts on the top of the optical module 200. In some embodiments, the above-mentioned display device may further include an outer frame structure 500 that is detachably connected to the backplane structure 100 and surrounds the middle frame structure 300 and the display panel 400. In this way, the optical module 200 can be installed between the backplane structure 100 and the middle frame structure 300, the display panel 400 abuts against the middle frame structure 300, and the middle frame structure 300 supports the display panel 400 to realize the positioning support of the display panel 400. The display panel 400 and the optical module 200 can be fixed by the middle frame structure 300 and the back plate structure 100, and the outer frame structure 500 can protect the optical module 200 and the display panel 400 from the outside. The setting of the outer frame structure 500 can be determined according to needs, and the present disclosure does not specifically limit it. In addition, in this embodiment, the display panel can be a liquid crystal panel.

Further, as shown in FIGS. 5 to 6, the above-mentioned middle frame structure 300 may include a middle frame body 310 provided on the peripheral edge of the optical module 200, and the middle frame body 310 may be plate-shaped and protrude from the middle frame. The middle frame side plate 320 at the outer end of the main body 310, the top surface of the middle frame body 310 is connected to the display panel 400, the middle frame body 310 is in contact with the optical module 200, and the middle frame side plate 320 is connected to the back plate connecting plate 120. Corresponding to the side. The optical module 200 can be clamped by using the back plate connecting plate 120 on the peripheral side of the back plate main body 110 and the middle frame main body 310 of the middle frame structure 300.

In some embodiments, as shown in FIGS. 1 to 4, the above-mentioned optical module 200 may include a diffuser plate 210 and an optical film 220 that are stacked and connected, wherein the diffuser plate 210 may be disposed on the back plate main body of the back plate structure 100 110, and the optical film 220 abuts on the middle frame protrusion 330 of the middle frame structure 300. In some embodiments, the above-mentioned backplane structure 100 further includes a diaphragm hook 102 detachably provided on the backplane connecting plate 120, and the diaphragm hook 102 can be hooked with the optical diaphragm 220. That is, the optical film 220 is hung on the backplane connection plate 120 through the film hook 102 to further fix the optical film 220 and the optical module 200.

In some embodiments, as shown in FIG. 5 to FIG. 6, an externally closed accommodating groove is formed between the middle frame body 310 and the back plate body 110, so that the peripheral edge of the optical module 200 can be placed in the accommodating groove. Center for positioning and limit.

Further, in some embodiments, the above-mentioned back plate connecting plate 120 may be bent into an L-shaped bent plate, and the end of the L-shaped bent plate may abut against the middle frame side plate 320. The peripheral edge of the back plate main body 110 can be bent and extended in a direction close to the middle frame main body 110 to form an L-shaped bent plate having an angle with the edge of the back plate main body 110. In this way, the bent sides of the middle frame side plate 320 and the L-shaped bent plate (that is, the above-mentioned supporting surface 126) are bolted through the first screw connection 700, and are surrounded by the back plate connecting plate and the middle frame body 310. The accommodating groove on the peripheral edge of the optical module 200 is accommodated.

In addition, in other embodiments, as shown in FIG. 6, the backplane connecting plate 120 is a U-shaped bent plate, and the edge of the optical module 200 extends into the groove formed by the U-shaped bent plate. The end of the curved plate is detachably connected to the middle frame side plate 320 or the middle frame main body 310. That is to say, the bent connecting plate first extends from the peripheral side edge of the back plate main body 110 in a direction away from the back plate main body 110 to form the first horizontal connecting plate section 121, and then bends and extends in the direction close to the middle frame main body 310 to form a horizontal connection. The plate segments form an angled vertical connecting plate section 122, and then bend and extend in a direction close to the back plate main body 110 to form a second horizontal connecting plate section (that is, the supporting surface 126) forming an angle with the vertical connecting plate section. In this way, the second horizontal connecting plate section 122 can be detachably connected with the middle frame main body 310, and the first horizontal connecting plate section 121, the vertical connecting plate section 122, and the second horizontal connecting plate section can be enclosed to form an accommodating optical fiber. The accommodating groove (ie, groove) on the peripheral edge of the module 200. Moreover, the above-mentioned second horizontal connecting plate sections may be arranged discontinuously on the vertical connecting plate sections, so that a plurality of second horizontal connecting plate sections can be formed on the vertical connecting plate sections. In some embodiments, as shown in FIG. 3, a connection gap (ie, a sinking groove) may be formed between two adjacent second horizontal connecting plate sections, and the above-mentioned diaphragm hook 102 may include a detachable The diaphragm hook at the connection gap is protruding from the edge of the optical diaphragm 220 on the diaphragm hanging ear, and the diaphragm hook can be hung on the diaphragm hanging ear to fix the optical diaphragm 220.

In this embodiment, the middle frame main body 310 is provided with a first connecting hole, and the supporting surface 126 at the end of the back plate connecting plate 120 is correspondingly provided with a second connecting hole. The middle frame main body 310 and the back plate connecting plate 120 pass through The first screw connection 700 connecting the first connecting hole and the second connecting hole can detachably connect the middle frame structure 300 and the back plate structure 100 together. In some embodiments, the above-mentioned outer frame structure 500 may include an outer frame body set in a ring frame shape.

Moreover, as shown in FIGS. 5 to 6, a third connecting hole 124 is provided on the backplane main body or on the first horizontal connecting plate section 121 of the backplane connecting plate 120, and a third connecting hole 124 is provided on the outer frame structure correspondingly. The connecting hole 124 corresponds to the mating fourth connecting hole, and the outer frame main body and the back plate main body 110 (or the back plate connecting plate) are connected by a second screw connection 800 that penetrates the third connecting hole 124 and the fourth connecting hole.

In some embodiments, a process hole 122 communicating with the outside is partially opened in the vertical connecting plate section. The process hole 122 can be arranged along the edge of the back plate connecting plate 120, so that the third connecting hole and the second screw connection The member 800 can be arranged as close to the outside as possible to meet the expansion gap requirement of the inner optical module 200, so that the second screw connection member 800 does not interfere with the optical module 200. The process holes 122 can be changed and cancelled on the mold, that is, the backplane structure 100 with process holes 122 can be produced through the selection of the mold, or the backplane structure 100 without process holes 122 can be produced, and the structure is improved to increase the mold Versatility.

In some embodiments, the above-mentioned outer frame structure 500 may include an outer frame body set in a ring frame shape, an outer frame groove is opened on the inner side of the outer frame body, the middle frame side plate 320, the edge of the back plate connecting plate 120, and the display panel The edges of 400 can extend into the groove of the outer frame. The ring-shaped outer frame body can limit the middle frame side plate 320, the back plate connecting plate 120 and the display panel 400 from the peripheral side, so as to limit and fix the back plate structure 100, the middle frame structure 300 and the display panel 400. The above-mentioned middle frame structure 300 may be configured as a frame-like structure with a notch, and the above-mentioned display device may further include a plastic frame 340 connected to the position of the notch of the middle frame structure 300. That is, the middle frame structure 300 can be configured as a notched ring shape, so that it can be easily installed on the peripheral side of the optical module 200 and the display panel 400. Moreover, the plastic frame 340 provided at the notch position of the middle frame structure 300 can limit and support the display panel 400 and the optical module 200. That is, both the outer frame main body and the back plate connecting plate 120 can be configured as a gap ring shape to correspond to the gap ring-shaped middle frame structure 300, and the rubber frame 340 is set at the gap position of these structures for closed connection. In this embodiment, the above-mentioned display device can be a square shape, and correspondingly, the middle frame structure 300, the back plate structure 100, the optical module 200, the display panel 400 and other structures can also be square. Moreover, the aforementioned middle frame structure 300, the outer frame body, and the back plate connecting plate 120 can all be U-shaped structures, and the aforementioned plastic frame 340 is connected to the notch position of the U-shaped structure.

In some embodiments, the above-mentioned middle frame structure 300 may include multiple sections of middle frame rods spliced in sequence, which is convenient for disassembly and transportation according to requirements. The gap ring-shaped middle frame structure 300 can be set as a split structure. The frame rod bodies are respectively mounted on the back plate structure 100.

In some embodiments, the three edges of the diffuser 210 of the optical module 200 can be inserted into the U-shaped structure of the back plate connection plate 120, and overlapped on the back plate main body 110 or the back plate connection plate 120 on. The top side of the optical diaphragm 220 is provided with diaphragm hanging ears, which are hung on the diaphragm hooks of the back plate connecting plate 120. The left and right sides of the optical diaphragm 220 (the diaphragm hanging ears may not be provided) are also inserted into the U The backplane of the shaped structure is connected to the board 120. In addition, the middle frame protrusion 330 and the middle frame side plates 320 can be clamped on both sides of the back plate connecting plate 120 of the U-shaped structure, which can restrict the middle frame structure 300 from moving left and right. In addition, positioning bosses can be designed on the back plate connecting plate 120 of the U-shaped structure of the back plate structure 100, and positioning holes corresponding to the positioning bosses can be provided on the middle frame main body 310 of the middle frame structure 300 for positioning. In addition, when a frame display module is provided, a sink groove can be designed on the surface of the middle frame body 310. After the middle frame body 310 is fastened with screws, the rubber strip 600 is attached to the surface of the middle frame body 310, and then the display panel 400 Assemble on the rubber strip 600, and finally push the U-shaped outer frame structure 500 sideways to assemble it on the display module.

The above are only optional embodiments of the present disclosure, and do not limit the patent scope of the present disclosure. Under the open concept of the present disclosure, equivalent structural transformations made by using the contents of the specification and drawings of the present disclosure, or direct/indirect Applications in other related technical fields are included in the scope of patent protection of the present disclosure.

Claims

A display device includes:

Display panel

The middle frame structure is arranged to support the display panel;

The back plate structure includes a back plate main body and a back plate connecting plate, one end of the back plate connecting plate is connected to the back plate main body, and the other end of the back plate connecting plate is bent and extended to form a supporting surface. The surface abuts the middle frame structure.
The display device according to claim 1, wherein the middle frame structure comprises:

The middle frame body abuts against the supporting surface; and

The middle frame side plate is arranged on the outer end side of the middle frame main body and corresponds to the side surface of the back plate connecting plate.
2. The display device according to claim 2, wherein the display device further comprises an optical module provided between the back plate structure and the middle frame structure, and the middle frame body extends toward the back plate body. A middle frame protrusion, the middle frame protrusion abuts against the optical module.
3. The display device according to claim 3, wherein the two ends of the middle frame side plate respectively protrude from both sides of the middle frame main body, and respectively form a panel limit side plate and a module limit side plate, so The panel limiting side plate is blocked on the outside of the edge of the display panel, and the module limiting side plate is blocked on the outside of the edge of the optical module.
4. The display device according to claim 3, wherein the optical module comprises an optical film and a diffuser plate connected to each other, the optical film abuts against the middle frame protrusion, and the diffuser plate is in contact with the The main body of the back plate is connected.
3. The display device according to claim 3, wherein the middle frame structure is a frame-like structure with a gap;

The display device further includes a plastic frame provided at the gap of the middle frame structure, one side of the plastic frame is connected with the display panel, and the other side of the plastic frame is connected with the optical module.
The display device according to claim 3, wherein the middle frame body is provided with a first connection hole, the supporting surface is correspondingly provided with a second connection hole, and the middle frame body is connected to the back plate It is connected by a first screw connection passing through the first connecting hole and the second connecting hole.
The display device according to claim 1, wherein the display device further comprises an outer frame structure surrounding the middle frame structure and the peripheral side of the display panel, and the outer frame structure is connected to the back plate main body .
8. The display device according to claim 8, wherein the outer frame structure comprises a ring-shaped outer frame body, an outer frame groove is formed on the inner side of the outer frame body, the middle frame side plate, the display panel, and the The edges of the connecting plate of the back plate all extend into the groove of the outer frame;

The backplane connection plate is provided with process holes, the process holes are arranged along the edge of the backplane connection plate; the backplane connection plate is provided with a third connection hole adjacent to the process hole, and the outer frame The main body is correspondingly provided with a fourth connecting hole that is matched with the third connecting hole, and the outer frame main body and the back plate connecting plate pass through a second screw passing through the third connecting hole and the fourth connecting hole. Connector connection.
The display device according to claim 5, wherein the backplane structure further comprises a diaphragm hook detachably provided on the backplane connection plate, the diaphragm hook is configured to be connected to the The optical diaphragm is hooked up.
3. The display device according to claim 3, wherein the back plate connecting plate is an L-shaped bent plate, and an end of the L-shaped bent plate abuts against the side plate of the middle frame.
3. The display device according to claim 3, wherein the backplane connecting plate is a U-shaped bent plate, and the edge of the optical module extends into a groove formed by the U-shaped bent plate.
11. The display device according to claim 12, wherein the U-shaped bent plate comprises a first horizontal connecting plate section, a vertical connecting plate section, and a second horizontal connecting plate section;

The first horizontal connecting plate section, the vertical connecting plate section, and the second horizontal connecting plate section are surrounded to form an accommodating groove, and the accommodating groove is configured to accommodate the edge of the optical module.
10. The display device according to claim 10, wherein the backplane connecting plate is a U-shaped bent plate, and the edge of the optical module extends into a groove formed by the U-shaped bent plate.
14. The display device according to claim 14, wherein the U-shaped bent plate comprises a first horizontal connecting plate section, a vertical connecting plate section and a plurality of second horizontal connecting plate sections;

A connecting gap is formed between the plurality of second horizontal connecting plate segments;

The diaphragm hook is a diaphragm hook detachably arranged at the connection gap, and a diaphragm hook corresponding to the diaphragm hook is provided on the top side of the optical diaphragm.
The display device according to claim 12, wherein a positioning boss is provided on the backplane connecting plate, and a positioning hole corresponding to the positioning boss is provided on the middle frame body.