CN112014994A

CN112014994A - Frame structure and display device of LCD screen

Info

Publication number: CN112014994A
Application number: CN202010960362.0A
Authority: CN
Inventors: 张先能; 朱衍君
Original assignee: Shenzhen Skyworth Qunxin Security Technology Co Ltd
Current assignee: Shenzhen Skyworth Digital Technology Co Ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2020-12-01
Anticipated expiration: 2040-09-14
Also published as: CN112014994B

Abstract

The invention discloses a frame structure of a liquid crystal screen and display equipment, wherein the frame structure of the liquid crystal screen comprises a concave frame, an edge banding frame and an angle code connecting piece, the concave frame and the edge banding frame are connected to form a rectangular frame, and the concave frame is formed by bending a section bar; the edge banding frame is connected with the two ends of the concave frame to form a rectangular frame body, the joint of the edge banding frame and the concave frame is connected through an angle connector, and the joint is located at the right-angle position of the rectangular frame body. When the liquid crystal display panel is assembled, the liquid crystal display panel is inserted into the concave frame, the edge sealing frame is assembled for sealing the edge, and the edge sealing frame and the concave frame fix the liquid crystal display panel by utilizing the grooves of the edge sealing frame and the concave frame, so that the liquid crystal display panel can be assembled quickly, the types of materials are reduced, the assembling time is shortened, the production cost is reduced, the size of a non-display area of the display device can be effectively reduced, and the front of the display device is small, light, thin and attractive.

Description

Frame structure and display device of LCD screen

Technical Field

The invention relates to the technical field of display equipment, in particular to a narrow frame structure of a liquid crystal display and the display equipment.

Background

Display devices, which may also be referred to as displays, or more generally as display screens, etc. Is a device that can output images or tactile information. If the input signal is an electronic signal, such a display device will be referred to as an electronic display device, as opposed to a mechanical display device.

At present, in the commercial display industry, the design of the display equipment in the market is gradually simplified, the requirement on the aesthetic degree is higher and higher, the attention on the size of a frame of a front frame non-display area is higher and higher, and the narrower and smaller non-display area is expected to be better.

The prior art generally adopts and directly puts into preceding frame with the LCD screen, then at the tight piece of LCD screen four sides pressurization, fixed LCD screen and preceding frame, and the material variety that this technical scheme needs is many, and the assembly is more complicated, need design screen body limit structure on the frame in front in addition, and consequently preceding frame size is great, and non-display area's frame size is great promptly, wholly looks more heavy like this, and then influences display device's whole pleasing to the eye degree.

Therefore, the prior art has yet to be improved.

Disclosure of Invention

The inventor finds that the front frame design of the liquid crystal display screen in the prior art needs various materials, is complex to assemble and has a large frame size of a non-display area.

The present invention aims to alleviate or solve at least to some extent at least one of the above mentioned problems. The invention provides a frame structure of a liquid crystal display, which comprises a frame body, wherein the frame body is a rectangular frame body, and the rectangular frame body comprises:

the concave frame is formed by bending a section bar and is used for mounting the liquid crystal screen in an embedded mode;

the both ends of banding frame respectively with the both ends of concave type frame are connected and are formed the rectangle framework, the banding frame with the seam crossing of concave type frame is connected through angle sign indicating number connecting piece, just seam crossing is located the right angle position of rectangle framework.

In a further preferred scheme, the concave frame comprises a bottom frame, a left side frame and a right side frame, the bottom frame, the left side frame and the right side frame are integrally formed by bending a section bar, and the bottom frame is respectively and vertically connected with the left side frame and the right side frame.

In a further preferred scheme, the concave frame and the edge banding frame are both provided with a U-shaped guide groove, and the U-shaped guide groove is matched with the liquid crystal display screen for nested installation.

In a further preferable scheme, the inner wall of the U-shaped guide groove is provided with a buffer layer.

In a further preferred scheme, the U-shaped guide groove comprises a bottom plate, and a front side baffle and a rear side baffle which are respectively arranged on two sides of the bottom plate, a first rear side baffle connecting part is arranged on the rear side baffle of the concave frame, a second rear side baffle connecting part is arranged on the rear side baffle of the edge sealing frame, and the first rear side baffle connecting part and the second rear side baffle connecting part are connected through the corner connector, so that the connection of the seam is realized.

In a further preferred scheme, sinking notch parts are arranged on the first rear side baffle connecting part and the second rear side baffle connecting part, and the sinking notch parts are used for placing the corner connector in the rectangular frame.

In a further preferred aspect, the corner brace connector and the rectangular frame are fixedly connected by bolts, and bolt holes for the bolts are provided in the sinking notch portions.

In further preferred scheme, the angle sign indicating number connecting piece include first connection limit and with the perpendicular second connection limit of being connected of first connection limit, first connection limit and the second connection edge all is provided with two at least the bolt.

In a further preferred scheme, the front side baffle and the rear side baffle are vertically distributed with the bottom plate, the inner wall of the front side baffle is close to the display panel of the liquid crystal display, the inner wall of the bottom plate is close to the outer side of the liquid crystal display, and the thickness of the bottom plate is 1-2 mm.

In a further preferable aspect, a bending notch is provided at a bending position of the concave frame, and the bending notch is provided on the bottom plate and penetrates through the rear side baffle along a width direction of the bottom plate.

A display device comprises the frame structure of the liquid crystal screen and the liquid crystal screen; the liquid crystal screen is embedded and installed behind the concave frame and is fixed through the edge sealing frame, and therefore the display device can have all the characteristics and effects of the frame structure of the liquid crystal screen and is not repeated.

The invention has the beneficial effects that: the frame body of the liquid crystal display is a rectangular frame body, the rectangular frame body comprises a concave frame and an edge sealing frame, and the concave frame is formed by bending a section bar and is used for mounting the liquid crystal display in an embedded mode; the two ends of the edge banding frame are connected with the two ends of the concave frame respectively to form a rectangular frame body, the joint of the edge banding frame and the concave frame is connected through an angle connector, and the joint is located at the right-angle position of the rectangular frame body. When the frame structure of the liquid crystal screen is assembled, the liquid crystal screen is inserted into the concave frame, the edge sealing frame is assembled for sealing, and the edge sealing frame and the concave frame fix the liquid crystal screen by utilizing the grooves of the frame structure, so that the liquid crystal screen can be assembled quickly, the types of materials are reduced, the assembly time is reduced, the production cost is reduced, the size of a non-display area of the display equipment can be effectively reduced, and the front of the display equipment looks small, light, thin and attractive.

Drawings

Fig. 1 is an exploded view of a frame structure of a liquid crystal panel of the present invention.

Fig. 2 is a schematic diagram of the back connection of the frame structure of the liquid crystal panel of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an enlarged view of a portion B in fig. 2.

Fig. 5 is an enlarged view of a portion C in fig. 2.

Fig. 6 is an enlarged view of a portion D in fig. 2.

Fig. 7 is a front connection diagram of the frame structure of the liquid crystal panel of the present invention.

Fig. 8 is an enlarged view of a portion E of fig. 7.

Fig. 9 is an enlarged view of a portion F in fig. 7.

FIG. 10 is a schematic view of the connection between the rectangular frame and the liquid crystal panel according to the present invention.

FIG. 11 is a top view of the concave bezel of the present invention in connection with a liquid crystal display.

Fig. 12 is an enlarged view of a portion G in fig. 11.

Fig. 13 is an enlarged view of a portion H in fig. 11.

Fig. 14 is a schematic cross-sectional view of a concave bezel of the present invention.

Fig. 15 is a schematic diagram of a concave frame structure according to the present invention.

Fig. 16 is an enlarged view of a portion I in fig. 15.

Fig. 17 is an enlarged view of a portion J in fig. 15.

Fig. 18 is a schematic view of the edge banding frame structure of the present invention.

Fig. 19 is an enlarged view of a portion M in fig. 18.

Fig. 20 is an enlarged view of a portion K in fig. 18.

Fig. 21 is a schematic view of the corner connector structure of the present invention 1.

Fig. 22 is a schematic view of the corner connector structure of the present invention, fig. 2.

Reference numerals:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Concave frame	200	Edge banding frame
300	Corner connector	400	Liquid crystal screen
				110	First U-shaped guide groove	111	First base plate
112	First front side baffle	113	First rear side baffle
				120	Bending notch	130	First sunken cut part
101	Bottom frame	102	Left side frame
				103	Right side frame	210	Second U-shaped guide groove
211	Second bottom plate	212	Second front side baffle
				213	Second rear side baffle	220	Second sunken cut-out portion
310	First connecting edge	320	Second connecting edge
				330	Round-corner boss	340	Bolt counter bore
350	Auxiliary bolt hole	L	Width of closing up
				T	Thickness of the base plate

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Based on the problems in the prior art, the present embodiment provides a frame structure of a liquid crystal display and a display device. A frame structure of a liquid crystal display, as shown in fig. 2, includes a frame body, the frame body is a rectangular frame body, and with reference to fig. 1, the rectangular frame body includes: the edge sealing frame comprises a concave frame 100 and an edge sealing frame 200, wherein the concave frame 100 is formed by bending a section bar, and is used for nesting and installing a liquid crystal screen as shown in fig. 5 and 6; the two ends of the edge banding frame 200 are respectively connected with the two ends of the female frame 100 to form a rectangular frame, the joint between the edge banding frame 200 and the female frame 100 is connected by a corner connector 300, and the joint 300 is located at the right angle position of the rectangular frame, wherein the specific installation position of the corner connector 300 is shown in fig. 3 and 4.

With reference to fig. 7, when the liquid crystal display panel is assembled, the liquid crystal display panel is inserted into the concave frame, the edge sealing frame is assembled for sealing, and the liquid crystal display panel is fixed by the edge sealing frame and the concave frame through the grooves of the liquid crystal display panel and the concave frame; the invention adopts the concave frame, the concave frame only needs to be bent for 2 times, and compared with the prior art that the frame is bent for 3 times or 4 times, the invention reduces the processing procedures and processing difficulty; the liquid crystal display screen adopts the concave frame to fix the liquid crystal display screen by utilizing the groove of the frame, and the frame is thin, as shown in figures 8, 9 and 14, thereby being beneficial to reducing the size of the frame and having beautiful and light overall effect. Therefore, the invention not only can be beneficial to quick assembly, reduce the material types, reduce the assembly time and the production cost, but also can effectively reduce the size of the non-display area of the display equipment, so that the front of the display equipment is small, exquisite, light, thin and attractive in size.

As shown in fig. 15, in one embodiment, the female frame 100 includes a bottom frame 101, a left side frame 102, and a right side frame 103, the bottom frame 101, the left side frame 102, and the right side frame 103 are integrally formed by bending a profile, and the bottom frame 101 is vertically connected to the left side frame 102 and the right side frame 103, respectively.

As shown in fig. 12 and 13, the concave frame 100 and the edge banding frame 200 are both provided with a "U" -shaped guide groove, and the "U" -shaped guide groove is adapted to the liquid crystal screen 400 for nested installation, as shown in fig. 14, the concave frame 100 is provided with a first "U" -shaped guide groove 110, and the edge banding frame 200 is provided with a second "U" -shaped guide groove 210;

as shown in fig. 11, during assembly, the liquid crystal display 400 is inserted into the first U-shaped guide groove 110, and as shown in fig. 10, the edge banding frame 200 is assembled to perform edge banding, so that the liquid crystal display 400 is embedded into the second U-shaped guide groove 210, and the edge banding frame 200 and the concave frame 100 fix the liquid crystal display 400 by using the self U-shaped guide groove, which can facilitate quick assembly, reduce material types, reduce assembly time, and reduce production cost.

In one embodiment, the buffer layer is disposed on the inner wall of the U-shaped guide groove and is used for protecting the liquid crystal panel 400, and the buffer layer can reduce the impact force on the liquid crystal panel 400 in the U-shaped guide groove during assembly or transportation.

In one embodiment, as shown in fig. 12, the "U" shaped guiding groove includes a bottom plate, and a front side baffle and a rear side baffle respectively disposed at two sides of the bottom plate, the front side baffle and the rear side baffle are both vertically distributed with the bottom plate, the liquid crystal panel 400 is respectively close to the inner walls of the front side baffle and the rear side baffle, and the inner wall of the front side baffle is close to the display panel of the liquid crystal panel, as shown in fig. 13, the close width L of the front side baffle can be set according to the size of the liquid crystal panel, and in combination with fig. 14, the inner wall of the bottom plate is close to the outer side of the liquid crystal panel, wherein the thickness T of the bottom plate is 1-2mm, so that after the liquid crystal panel is mounted, the whole rectangular frame body is increased by only 2-4mm on the basis of the size of the liquid crystal panel itself, so that the size of the physical frame.

Specifically, with reference to fig. 17, a first U-shaped guide groove 110 is formed in the concave frame 100, the first U-shaped guide groove 110 includes a first bottom plate 111, a first front side baffle 112 and a first rear side baffle 113, the first front side baffle 112 and the first rear side baffle 113 are both vertically distributed on the first bottom plate 111, with reference to fig. 1 and 3, the liquid crystal display 400 is respectively close to inner walls of the first front side baffle 112 and the first rear side baffle 113, wherein the first front side baffle 112 is close to the display panel of the liquid crystal display 400, and the liquid crystal display is limited and fixed by the U-shaped guide groove itself. Referring to fig. 14, the thickness T of the first bottom plate 111 is 1-2mm, so that the overall size of the rectangular frame is increased by only 2-4mm on the basis of the size of the liquid crystal display, and the physical frame size of the rectangular frame is very small and approaches to the limit size.

As shown in fig. 18, the edge banding frame 200 is provided with a second "U" shaped guide groove 210, and referring to fig. 19 and 20, the second "U" shaped guide groove 210 includes a second bottom plate 211, a second front side baffle 212, and a second rear side baffle 213, wherein the second "U" shaped guide groove 210 is similar to the first "U" shaped guide groove 110 in structure and is not described again.

Further, with reference to fig. 16, the outer side of the bending position of the concave frame 100 is designed to be a fillet, which avoids stress concentration at the right angle and is beneficial to preventing the rectangular frame from being damaged or other objects from being damaged by collision.

In one embodiment, as shown in fig. 17, a first rear bezel connection portion is disposed on the first rear bezel 113 of the female bezel 100, and as shown in fig. 19, a second rear bezel connection portion is disposed on the second rear bezel 213 of the edge banding bezel 200, and the first rear bezel connection portion and the second rear bezel connection portion are connected by an angle joint 300, so as to achieve the connection at the seam. Further, sinking notch parts are arranged on the first rear side baffle connecting part and the second rear side baffle connecting part, and the sinking notch parts are used for placing the corner connector 300 in the rectangular frame.

Specifically, as shown in fig. 17, the first rear bezel 113 of the female frame 100 is provided with a first sunken cut-out portion 130, as shown in fig. 19 and 20, the second rear bezel 213 of the edge banding frame 200 is provided with a second sunken cut-out portion 220, and the first sunken cut-out portion 130 and the second sunken cut-out portion 220 are used for hiding the corner brace 300 in the rectangular frame and preventing the corner brace 300 from being exposed or protruding out of the rectangular frame when the corner brace 300 is assembled.

In one embodiment, referring to fig. 3 and 4, the corner connector 300 is fixedly connected to the rectangular frame by bolts, and bolt holes for the bolts are provided in the sunken cut-out portions, as shown in fig. 17 and 19, that is, the bolt holes for the bolts are provided in the first sunken cut-out portion 130 and the second sunken cut-out portion 220. The bolt connection is simple to assemble and firm in connection, and the bolt mounting positions are arranged in the first sunken notch 130 and the second sunken notch 220, so that the bolts can be hidden in the rectangular frame body, and the bolts are prevented from being exposed or protruding out of the rectangular frame body.

Specifically, as shown in fig. 21 and 22, the corner connector 300 is a right-angle corner connector, the corner connector 300 includes a first connecting edge 310 and a second connecting edge 320 perpendicularly connected to the first connecting edge 310, at least two bolts are disposed on the first connecting edge 310 and the second connecting edge 320, two bolt counter bores 340 are disposed on the first connecting edge 310 and the second connecting edge 320, and the first connecting edge 310 is further provided with auxiliary bolt holes 350 for reinforcing connection with the concave frame 100 and the edge sealing frame 200.

In one embodiment, as shown in fig. 4, 21, and 22, the corner connector 300 is provided with rounded bosses 330, wherein the rounded bosses 330 are snap-fit connected to the female frame 100 and the edge banding frame 200, respectively. Adopt the fillet design to avoid the stress concentration of right angle department, adopt the interlock to connect its firm in connection difficult not hard up, be favorable to preventing in addition that rectangular frame from damaging or to the damage of colliding with of other article.

In one embodiment, as shown in fig. 16, a bending notch 120 is provided at a bending position of the female frame 100, and the bending notch 120 is provided in the first base plate 111 and penetrates the first rear bezel 113 in the width direction of the first base plate 111. Specifically, the first bottom plate at the bending position of the concave frame 100 is thinned and penetrates through the rear baffle 113, which is favorable for bending deformation.

A display device comprises the frame structure of the liquid crystal screen and the liquid crystal screen; the liquid crystal screen is embedded and installed behind the concave frame and is fixed through the edge sealing frame, and therefore the display device can have all the characteristics and effects of the frame structure of the liquid crystal screen, and repeated description is omitted.

In summary, in the frame structure of the liquid crystal display provided by the present invention, the frame body is a rectangular frame body, and the rectangular frame body includes: the edge sealing frame comprises a concave frame and an edge sealing frame, wherein the concave frame is formed by bending a section bar; the joint of the edge banding frame and the concave frame is connected through an angle connector, and the joint is positioned at the right angle of the rectangular frame body. When the liquid crystal display panel is assembled, the liquid crystal display panel is inserted into the concave frame, the edge sealing frame is assembled for sealing the edge, and the edge sealing frame and the concave frame fix the liquid crystal display panel by utilizing the grooves of the edge sealing frame and the concave frame, so that the liquid crystal display panel can be assembled quickly, the types of materials are reduced, the assembling time is shortened, the production cost is reduced, the size of a non-display area of the display device can be effectively reduced, and the front of the display device is small, light, thin and attractive.

It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a frame structure of LCD screen, includes the frame body, its characterized in that, the frame body is the rectangle framework, the rectangle framework includes:

2. The frame structure of the liquid crystal display screen according to claim 1, wherein the concave frame and the edge banding frame are both provided with a "U" -shaped guide groove, and the "U" -shaped guide groove is adapted to the liquid crystal display screen for nested installation.

3. The frame structure of liquid crystal display screen according to claim 2, wherein the inner wall of the "U" -shaped guide groove is provided with a buffer layer.

4. The frame structure of the liquid crystal display according to claim 2, wherein the U-shaped guide groove comprises a bottom plate, and a front side baffle and a rear side baffle which are respectively disposed on two sides of the bottom plate, a first rear side baffle connecting portion is disposed on the rear side baffle of the concave frame, a second rear side baffle connecting portion is disposed on the rear side baffle of the edge-sealed frame, and the first rear side baffle connecting portion and the second rear side baffle connecting portion are connected by the corner connector, so that the joint connection is realized.

5. The frame structure of the liquid crystal display according to claim 4, wherein the first rear side baffle connecting portion and the second rear side baffle connecting portion are provided with sunken cut-out portions, and the sunken cut-out portions are used for placing the corner connectors in the rectangular frame.

6. The frame structure of a liquid crystal display according to claim 5, wherein the corner connector is fixedly connected to the rectangular frame by bolts, and bolt holes for the bolts are provided in the sunken cut-out portions.

7. The frame structure of the liquid crystal display according to claim 6, wherein the corner connector comprises a first connecting edge and a second connecting edge perpendicular to the first connecting edge, and at least two bolts are disposed on each of the first connecting edge and the second connecting edge.

8. The frame structure of the liquid crystal display according to claim 4, wherein the front side baffle and the rear side baffle are vertically disposed on the bottom plate, an inner wall of the front side baffle is close to the display panel of the liquid crystal display, an inner wall of the bottom plate is close to an outer side of the liquid crystal display, and a thickness of the bottom plate is 1-2 mm.

9. The frame structure of the liquid crystal display according to claim 4, wherein a bending notch is formed at a bending position of the concave frame, and the bending notch is formed in the bottom plate and penetrates through the rear side baffle along a width direction of the bottom plate.

10. A display device, characterized in that the display device comprises a frame structure of a liquid crystal panel as claimed in claims 1 to 9, and a liquid crystal panel; the liquid crystal screen is embedded and installed behind the concave frame and is fixed through the edge sealing frame.