TWI723571B - Assembling frame, backlight module and display device - Google Patents

Abstract

The present invention relates to an assembly frame, a backlight module, and a display device. The assembly frame includes a connecting frame and a back plate. The connecting frame has at least one first side bar and at least one second side bar. A first side strip extends along a first direction, the at least one second side strip extends along a second direction, the first direction and the second direction are perpendicular to each other, and the back plate is connected to the connecting frame , And there is an adjustment margin along the second direction between the back plate and the at least one first side strip, and there is an adjustment margin along the first direction between the back plate and the at least one second side strip Therefore, it constitutes an assembly frame with assembly margin.

Description

Assembling frame, backlight module and display device

The present invention relates to an assembly frame, a backlight module and a display device, in particular to an assembly frame with an assembly margin and a backlight module and a display device with the frame.

Existing display devices, especially liquid crystal displays, roughly include a display panel and a backlight module, and are provided with a frame assembly to fix the backlight module and connect the display panel. The existing displays are mainly thinner and larger The design, especially the narrow-frame display, can increase the display area of the display in addition to its aesthetic function. It has gradually been favored by the market. However, the assembly of the narrow-frame display requires high precision in assembly. Once there are components When the size has a slight error, it will increase the difficulty of assembly, and the assembly frame of the existing display, in order to make the narrow frame more extreme, the high accuracy requirements of the overall display after assembly, it is almost impossible to have an adjustment margin, such as China The assembling frame of the Mainland Patent No. 101206338 or the Mainland China Patent No. 103953874 does not have an adjustment margin for assembly. Therefore, when assembling a display with a narrow bezel, it is easy to cause assembly due to errors in the size of each component. The difficulties on this issue require further improvement.

Therefore, in view of the shortcomings and deficiencies in the assembly frame structure and use of the existing displays, the inventors have finally developed an invention that can improve the existing deficiencies after continuous experiments and improvements.

The main purpose of the present invention is to provide an assembly frame, which is formed with adjustment margins in two perpendicular directions, so that the assembly position of the assembly frame can be appropriately adjusted according to the tolerances of the components of the display device to achieve elevation. The purpose of display device assembly convenience and efficiency. To achieve the above objective, the present invention mainly provides an assembly frame, which includes: A connecting frame having at least one first side bar and at least one second side bar, the at least one first side bar extends along a first direction, and the at least one second side bar extends along a second direction, The first direction and the second direction are perpendicular to each other; and A back plate is connected to the connecting frame, and there is an adjustment margin along the second direction between the back plate and the at least one first side strip, the back plate and the at least one second side strip There is an adjustment margin along the first direction therebetween. In order to achieve the above objective, the present invention further provides a backlight module, which includes: The assembly frame; A plurality of light sources are arranged on the bottom surface of the back plate in the assembly frame; and At least one optical film is arranged on the connecting frame. In order to achieve the above objective, the present invention further provides a display device, which includes: The assembly frame; A panel fixing frame, which is fixedly connected to the connecting frame; A display panel assembled on the panel fixing frame; and A plurality of light sources are arranged on the bottom surface of the back plate in the assembly frame.

With the above technical means, the present invention can use the adjustment structure to provide a margin for assembly adjustment between the backplane and the connecting frame in the first direction and the second direction, so as to eliminate the tolerances caused by the production of various components, which may cause assembly. The above inconvenience can improve the efficiency and convenience of the overall assembly of the display device.

The present invention relates to an assembly frame, a backlight module and a display device. Please refer to FIGS. 1 to 3 together. It can be seen from the figures that the assembly frame of the present invention mainly includes a connecting frame 10 and a back plate 20. The frame 10 has at least one first side strip 12 and at least one second side strip 14, the at least one first side strip 12 extends along a first direction D1, and the at least one second side strip 14 extends along a second direction D2 extends. The first direction D1 and the second direction D2 are perpendicular to each other. Preferably, the connecting frame 10 may have two parallel first side bars 12 and two parallel second side bars 14, thereby A square or rectangular connecting frame 10 is formed, and two adjacent first side strips 12 and second side strips 14 of the connecting frame 10 can be overlapped with each other, wherein overlap refers to the use of complementary shapes or the use of concave and convex portions They are joined side by side to form gaps G1, G2 corresponding to the first direction D1 and the second direction D2 at the overlap of the adjacent first side strip 12 and the second side strip 14 respectively. Please refer to FIG. 4, the assembly frame of the present invention is further provided with a plurality of light sources (not shown) and at least one optical film 70 to form a backlight module, wherein the plurality of light sources are arranged in the assembly frame The bottom surface of the back plate 20 is electrically connected to the outside, the optical film 70 is arranged on the connecting frame 10, the connecting frame 10 and a panel fixing frame 30 clamp the optical film 70, the optical film The sheet 70 may be: a diffuser sheet, a reflective sheet, a color conversion sheet, a light guide film, a light guide film, or a light guide plate and other films with different optical characteristics, but it is not limited to this. The display device of the present invention is a backlight module composed of the aforementioned assembly frame, light source and optical film, and the panel fixing frame 30 is used to combine a display panel 60 with the assembly frame.

Please refer to FIGS. 1 to 4 together, the back plate 20 is fixedly connected to the connecting frame 10, and there is an adjustment margin along the second direction D2 between the back plate 20 and the at least one first side strip 12 There is an adjustment margin between the back plate 20 and the at least one second side strip 14 along the first direction D1. Preferably, the shape of the back plate 20 matches the shape of the connecting frame 10 to be square Or rectangular, the back plate 20 has at least one first portion 202 and at least one second portion 204, the at least one first portion 202 corresponds to the first side bar 12 of the connecting frame 10, and the at least one second portion 204 corresponds to the second side strip 14 of the connecting frame 10. A plurality of first adjustment structures 22 arranged along the first direction D1 are arranged on the at least one first portion 202, and are arranged on the at least one second portion 204 There are a plurality of second adjustment structures 24 arranged along the second direction D2, and a plurality of first and second adjustment structures 22, 24 can be provided according to the requirement of bonding strength to strengthen the bonding between the back plate 20 and the connecting frame 10 strength. In one embodiment, each of the first adjusting structures 22 is a long groove recessed along the second direction D2 on the periphery of the back plate 20, and each of the second adjusting structures 24 is a recessed groove along the first direction D1. In the long groove on the periphery of the back plate 20, a coupling hole 16 is provided on the connecting frame 10 corresponding to each first adjustment structure 22 and each second adjustment structure position 24, so that a coupling member 40 like a bolt is used to penetrate After each of the first and second adjustment structures 22 and 24, they are screwed into the corresponding coupling holes 16 so that the connecting frame 10 and the back plate frame 20 can be fixedly combined with each other. Secondly, the first and second adjustments The structures 22, 24 can also be arranged on the first and second side bars 12, 14 of the connecting frame 10, and the coupling hole 16 can be arranged on the back plate 20 to achieve the same effect.

The panel fixing frame 30 is fixedly connected to the connecting frame 10 and is used to fix the display panel 60. The panel fixing frame 30 includes a plurality of frame bars 32, and the frame bars 32 have a bonding surface 321. The bonding surface 321 of the frame bar 32 is combined with the display panel 60 by an adhesive 50, wherein the area of the bonding surface 321 can be less than 2 mm, and a more extreme narrow frame display device can be obtained; in one implementation In an example, the bonding surface 321 of the frame strip 32 may be provided with a groove for containing the adhesive 50 to prevent the adhesive 50 from being applied to the frame strip 32 and overflowing. The adhesive 50 can be a double-sided adhesive with thickness and elasticity or an elastic gel, such as silicone or styrofoam, so that each frame strip 32 can be deflected relative to the display panel 60 or adjacent frame strips 32 At a specific angle, in addition, at least one elongated perforation 34 is provided on each frame bar 32 of the panel fixing frame 30, and the first and second side bars 12, 14 of the connecting frame 10 are opposite to the panel fixing frame 30 A locking hole 18 is provided at each position of each elongated perforation 34, whereby a plurality of fixing members 42 are used to respectively pass through each elongated perforation 34 of the panel fixing frame 30 and correspond to the corresponding locking hole 18 on the connecting frame 10. By locking together, the panel fixing frame 30 and the connecting frame 10 can be fixedly connected to each other. At the same time, with the shape of the elongated perforation 34, the longer elongated perforation 34 can be used to match the smaller size of the locking hole 18 during assembly, so as to easily complete each frame 32 and the first and second side strips. The alignment between 12 and 14 improves assembly efficiency.

4, the connecting frame 10 has a supporting surface 102, the frame bar 32 has a pressing part 322, according to user needs, a plurality of required optical films 70 can be placed in the connecting frame 10 On the supporting surface 102 of the panel, the pressing portion 322 of the panel fixing frame 30 cooperates with the supporting surface 102 of the connecting frame 10 to clamp the optical film 70, and the back plate 20 and the at least one first There is an adjustment margin along the second direction D2 between the side bars 12, and there is an adjustment margin along the first direction D1 between the back plate 20 and the at least one second side bar 14 to adjust the connection frame 10 The relative position of the optical film 70 and the panel fixing frame 30 can be adjusted to control the size of the gap G3 between the optical film 70 and the frame bar 32, so that the optical The diaphragm 70 has a space that can be expanded and contracted thermally.

When assembling the display device, please refer to FIGS. 2 to 4 together. The back plate 20 and the connecting frame 10 can be connected to each other by the coupling member 40, and then the display panel 60 is fixed on the panel fixing frame 30 with adhesive 50, and then The combination of the connecting frame 10 and the back plate 20 is placed in the panel fixing frame 30, and the panel fixing frame 30 and the connecting frame 10 are fixedly connected with the fixing member 42, and the assembly of the display device can be completed by assembling the frame .

When assembling the display device, please refer to FIG. 5. If there is a tolerance in the production of components, the first adjustment structure 22 and the second adjustment structure 24 on the back plate 20 can be used along the first direction D1. And/or the second direction D2, appropriately adjust the relative position between the back plate 20 and the connection frame 10 to provide an adjustment margin along the first direction D1 and/or the second direction D2 when the back plate 20 and the connection frame 10 are combined , In order to overcome the need for tolerances due to component manufacturing or assembly, to improve the assembly efficiency and convenience of the display device.

Secondly, because the frame bars 32 of the panel fixing frame 30 are connected to the display panel 60 by adhesive 50, and can be deflected outwards by a specific angle, such as 20 degrees, with respect to the panel. In this way, the frame 10 can be connected to the display panel 60. When the combined device of the back plate 20 and the back plate 20 is inserted into the panel fixing frame 30, the frame bars 32 are slightly deflected outward relative to the center of the panel 60, and the angles of the adhesive 50 and the frame bars 32 are adjustable This feature enables the combination of the connecting frame 10 and the back plate 20 to be more smoothly covered and contained in the panel fixing frame 30. In this way, the present invention can be applied to larger-sized display devices, such as televisions or screens. Conducive to the assembly work of large display panels.

Secondly, the adjustment margin between the connecting frame 10 and the back plate 20 can also be achieved by using the gaps G1, G2 formed by the overlap between the first side strip 12 and the second side strip 14 of the connecting frame 10. 12 and the second side strip 14 have a gap G1 in the first direction D1 and a gap G2 in the second direction D2 at the overlap point. The locking position between the connecting frame 10 and the back plate 20 can be adjusted to respond to component tolerances. It is not easy to assemble, and the angle adjustable feature of the frame strip 32 covers the overall assembly tolerance of the connecting frame 10 and the back plate 20, which has the effect of improving the efficiency and convenience of the overall assembly of the display device.

10: Connection box

102: bearing surface

12: The first side

14: The second side

16: Combination hole

18: Locking hole

20: Backplane

202: Part One

204: Part Two

22: The first adjustment structure

24: Second adjustment structure

30: Panel fixing frame

32: frame

321: Combination Surface

322: Suppression Department

34: Long perforation

40: Combination

42: fixed parts

50: viscose

60: display panel

70: Optical diaphragm

D1: First direction

D2: second direction

G1: gap

G2: gap

G3: gap

Figure 1 is a partial perspective view of the present invention. Figure 2 is a perspective exploded view of the present invention. Figure 3 is a top view of the present invention assembled into a display device. Fig. 4 is a partial cross-sectional view of the present invention along the line A-A in Fig. 3; Figure 5 is a schematic top view of the present invention for margin adjustment assembly.

10: Connection box

12: The first side

14: The second side

16: Combination hole

18: Locking hole

20: Backplane

202: Part One

204: Part Two

22: The first adjustment structure

24: Second adjustment structure

30: Panel fixing frame

32: frame

34: Long perforation

40: Combination

42: fixed parts

60: display panel

D1: First direction

D2: second direction

G1: gap

G2: gap

Claims (11)

An assembly frame comprising: a connecting frame having at least one first side bar and at least one second side bar, the at least one first side bar extends along a first direction, and the at least one second side bar Extend along a second direction, the first direction and the second direction are perpendicular to each other; and a back plate connected to the connecting frame, and there is an edge between the back plate and the at least one first side strip With respect to the adjustment margin in the second direction, there is an adjustment margin along the first direction between the back plate and the at least one second side strip; wherein the back plate has at least one first part and at least one second part Part, the at least one first part corresponds to each first side strip of the connecting frame, and is provided with a plurality of first adjustment structures arranged along the first direction, and the at least one second part corresponds to the connecting frame The second side strip of the frame is provided with a plurality of second adjustment structures arranged along the second direction. The assembling frame according to claim 1, wherein each of the first adjusting structures is a long groove recessed in the peripheral edge of the back plate along the second direction. The assembling frame according to claim 1 or 2, wherein each of the second adjusting structures is a long groove recessed on the periphery of the back plate along the first direction. An assembly frame comprising: a connecting frame having at least one first side bar and at least one second side bar, the at least one first side bar extends along a first direction, and the at least one second side bar Extend along a second direction, the first direction and the second direction are perpendicular to each other; and a back plate connected to the connecting frame, and there is an edge between the back plate and the at least one first side strip With the adjustment margin in the second direction, there is an adjustment margin along the first direction between the back plate and the at least one second side strip; wherein two adjacent first side strips and the first side strip of the connecting frame The two side strips overlap each other. The assembly frame according to claim 4, wherein the overlap of the two overlapping first side bars and the second side bars of the connecting frame has a gap in the first direction and a gap in the second direction to Provide the aforementioned adjustment margin. An assembly frame comprising: a connecting frame having at least one first side bar and at least one second side bar, the at least one first side bar extends along a first direction, and the at least one second side bar Extend along a second direction, the first direction and the second direction are perpendicular to each other; and a back plate connected to the connecting frame, and there is an edge between the back plate and the at least one first side strip With respect to the adjustment margin in the second direction, there is an adjustment margin along the first direction between the back plate and the at least one second side strip; wherein a plurality of first side strips are provided on the connecting frame The first adjustment structures arranged along the first direction are provided with a plurality of second adjustment structures arranged along the second direction on each of the second side bars of the connecting frame. A backlight module, comprising: an assembly frame according to any one of claims 1 to 6; a plurality of light sources arranged on the bottom surface of the back plate in the assembly frame; and at least one optical film, Set on the connecting frame. A display device comprising: an assembly frame according to any one of claims 1 to 6; a panel fixing frame which is fixedly connected to the connecting frame; and a display assembled on the panel fixing frame Panel; and a plurality of light sources are provided on the bottom surface of the back plate in the assembly frame. The display device according to claim 8, wherein the panel fixing frame includes a plurality of frame bars, and the frame bars are connected to the display panel by adhesive, so that each frame bar can be deflected relative to the display panel A specific angle. The display device according to claim 9, wherein each frame strip of the panel fixing frame has a joint surface, and a groove for accommodating glue is provided on the joint surface of each frame strip. The display device according to claim 8, further comprising at least one optical film, the connection frame and the panel fixing frame clamp the optical film, and the connection frame is provided with a device for holding the optical film The supporting surface, the panel fixing frame is provided with a pressing part that cooperates with the supporting surface of the connecting frame to clamp the optical film.

Images