TWI695256B - Frame structure and display device with frame structure - Google Patents

Abstract

A frame structure comprising a back cover and a long intermediate frame. The back cover comprises two side retaining walls, a top side retaining wall, two side plate parts and a top plate part, wherein each side retaining wall is connected to two sides of the top side retaining wall; each side plate part is respectively connected to two ends of the top plate part. Each side plate part is located on each side retaining wall, and the top plate part is located on the top side retaining wall, and each side plate part and the retaining side walls are integrally formed. The long intermediate frame is placed between the bottoms of the side retaining walls.

Description

Frame structure and display device with frame structure

A frame structure, especially a frame structure with a narrow design. The invention also relates to a display device with a frame structure of the above narrowed design.

With the evolution of technology, the use of display device frames is quite common. The structural design of the frame, such as thickness, will affect the effect of the display screen.

With the visual needs of consumers, manufacturers present the overall image or picture as much as possible. Therefore, the design of frameless structure or narrow frame has gradually become a trend.

In general, the above display device using a frameless or narrow frame design has a traditional design, including the front frame, the middle frame, and the back plate, and the assembly of such structures plus the gap between the components It still maintains a certain thickness on the stack. In addition, due to the complicated components, the defect rate in manufacturing is high, and the assembly time is long, and the overall manufacturing cost is relatively increased.

In view of this, an embodiment of the present invention provides a frame structure including a back cover and a long intermediate frame.

The back cover includes two side retaining walls, a top retaining wall, two side plate portions and a top plate portion, each side retaining wall is connected to both sides of the top side retaining wall; each side plate portion is respectively connected to both ends of the top plate portion, and each side plate The parts are respectively located on each side retaining wall, the top plate part is located on the top side retaining wall, and each side plate part and the corresponding side retaining wall are integrally formed.

The long intermediate frame is arranged between the bottoms of the side retaining walls.

As in the above frame structure, in one embodiment, each side plate portion includes a first stepped structure that extends downward in the opposite direction; an elongated intermediate frame includes a second stepped structure that extends downward in the direction of the top side of the back cover.

As described above, in one embodiment, the first step structure and the second step structure are combined to form a frame groove.

As described above, in one embodiment, the frame structure further includes a plurality of adhesives, which are respectively disposed on the frame grooves.

As described above, in one embodiment, the frame structure further includes two protrusions, each protrusion is located at the bottom of each side retaining wall, the height of the protrusion is greater than the height of the side retaining wall, and the side retaining wall An arched groove is formed on the top edge retaining wall, the side plate portion, and the top plate portion. The arched groove includes notches and is located between the protrusions. The long intermediate frame covers the notch.

As described above, in one embodiment, it further includes an elongated front frame, both sides of which are connected to the protrusions, and the elongated intermediate frame is located between the back cover and the elongated front frame.

As described above, in one embodiment, the long front frame includes a covering portion and a sealing portion, the covering portion is connected to the sealing portion, and both sides of the covering portion are respectively connected to the top edges of the convex portions, the sealing portion The two sides of the are respectively connected to the sides of the protrusions.

As in the above frame structure, in one embodiment, the back cover further includes a bottom extension portion between the protrusions. The bottom extension portion includes two first locking structures and a plurality of second locking structures, each first The locking structure is connected to the bottom edge of each protrusion; each second locking structure is located between the first locking structures and arranged at intervals.

The present invention also provides a display device according to an embodiment, including the frame as described above Structure and optical diaphragm group.

The optical film group includes a first optical film and at least one second optical film. The first optical film and the at least one second optical film are superposed and fixed, and are installed in the frame structure by being embedded in the arch groove Inside.

As shown in the above display device, in one embodiment, the optical film group further includes a hanging piece and a clamp, the first optical film is provided with an opening at the side, and at least one second optical film is provided at the position corresponding to the opening At the hanger, at least one second optical film passes through the hanger and passes through the hanger to overlap the first optical film, and is clamped by a jig to fix the first optical film and at least one second optical film.

As in the above display device, in one embodiment, the optical film set further includes a fixing member, the fixing member includes a hanging portion and two clip portions, the clip portions are located on both sides of the hanging portion, and the hanging portion includes a convex portion ; The first optical film is provided with a notch on the side, the hanging part is provided in the notch, at least one second optical film is provided with a hanging port corresponding to the notch position, at least one second optical film is passed through the hanging part The overhanging hanger overlaps with the first optical film, and is clamped through the clamping portion to fix the first optical film and at least one second optical film.

As in the above display device, in one embodiment, the optical film set further includes a ring-shaped fixing member, the first optical film has a first notch at one side, and at least one second optical film corresponds to the first A second slot is opened at the position of the slot, and the ring-shaped fixing member sleeves the first slot and the second slot to fix the first optical film and the second optical film.

The frame structure according to one or more embodiments of the present invention can effectively achieve the required structural strength of the frame, and can effectively achieve the narrowing treatment to reduce the superimposed thickness of the frame. In the manufacturing process, because the long intermediate frame and the long front frame are mostly in a straight structure, the manufacturing cost is relatively It is cheaper than the previous technology.

In addition, according to the display device of one or more embodiments of the present invention, in addition to the above advantages, the optical films are fixed to each other through the fixing member, which also has the effect of reducing the manufacturing cost.

1: frame structure

11: back cover

111: Side retaining wall

112: top retaining wall

113: raised part

114: Side panel

1141: First stepped structure

115: Top Board Department

12: Long intermediate frame

121: Second stepped structure

13: Long front frame

131: Covering part

132: Sealing Department

14: Arched slot

141: Notch

15: Frame slot

16: Viscose

17: Bottom extension

171: The first locking structure

172: Second locking structure

1721: opening

173: Keyhole

100: display device

2: Optical diaphragm group

21: The first optical diaphragm

211: opening

212: Notch

213: first notch

22: Second optical diaphragm

221: Hanging mouth

222: second notch

23: Pendant

24: Fixture

25: fixings

251: Hanging Department

2511: convex

252: Clip

3: LCD panel

H1: height

H2: height

X: at the border

[FIG. 1] It is a schematic view of the appearance of an embodiment of the frame structure of the present invention.

[Fig. 2] An exploded schematic view of the frame structure of the embodiment shown in Fig. 1. [Fig.

[FIG. 3A] It is the assembly schematic drawing X of the frame line in the embodiment shown in FIG.

[FIG. 3B] This is the assembly diagram X of the frame line X in the embodiment shown in FIG.

[FIG. 3C] This is an assembly diagram X of the frame line X in the embodiment shown in FIG. 1.

[FIG. 4] It is a partial use state diagram of an embodiment of the frame structure of the present invention.

[FIG. 5] It is a schematic view of the appearance of an embodiment of the display device of the present invention.

[FIG. 6A] This is a schematic view of the first embodiment of the optical film assembly of the display device of the present invention.

6B is a partially exploded schematic view of the first embodiment of the optical film assembly of the display device of the present invention.

6C is a partial assembly diagram of the first embodiment of the optical film assembly of the display device of the present invention.

7A is a partially exploded schematic view of the second embodiment of the optical film assembly of the display device of the present invention.

7B is a partial assembly diagram of the second embodiment of the optical film assembly of the display device of the present invention.

8 is a top view of a third embodiment of the optical film group of the display device of the present invention.

Please refer to FIGS. 1 to 3C. FIG. 1 is an appearance of an embodiment of the frame structure 1 of the present invention. Schematic. FIG. 2 is an exploded view of the frame structure 1 of the embodiment shown in FIG. 1. The frame structure 1 includes a back cover 11, a long intermediate frame 12 and a long front frame 13. 3A to 3C respectively show assembly diagrams (1), (2) and (3) of X at the frame line in the embodiment shown in FIG. 1.

As shown in FIGS. 1 and 2, the back cover 11 includes two side retaining walls 111, a top side retaining wall 112, two protrusions 113, two side plate portions 114 and a top plate portion 115, and each side retaining wall 111 is connected to the top On both sides of the side wall 112, each protrusion 113 is connected to the bottom of each side wall 111. In this embodiment, the height H1 of the protrusion 113 is greater than the height H2 of the side wall 111 (see FIG. 3A To FIG. 3C).

Each side plate portion 114 is connected to both ends of the top plate portion 115 respectively, each side plate portion 114 is located on each side edge retaining wall 111, and the top plate portion 115 is located on the top edge retaining wall 112. In this embodiment, each side plate portion 114 and the corresponding side retaining wall 111 are integrally formed, which helps to reduce the thickness of the frame structure 1 after the composition.

Please refer to FIGS. 3A to 3C. FIG. 3A shows a state in which the long intermediate frame 12 and the long front frame 13 are not added to the back cover 11. FIG. 3B shows a state where the long intermediate frame 12 is attached to the back cover 11. FIG. 3C shows a state where the long intermediate frame 12 and the long front frame 13 are attached to the back cover 11.

The side retaining wall 111, the top side retaining wall 112, the side plate portion 114 and the top plate portion 115 form an arched slot 14, the arched slot 14 includes a notch 141, located between the protrusions 113, and the long intermediate frame 12 is disposed at Between the protrusions 113, the notch 141 can be covered. Both sides of the long front frame 13 are respectively connected to the protrusions 113. After the long front frame 13 is combined with the back cover 11, the long intermediate frame 12 is located between the back cover 11 and the long front frame 13.

As shown in FIG. 3C, the long front frame 13 includes a covering portion 131 and a sealing portion 132, the covering portion 131 is connected to the sealing portion 132, and both sides of the covering portion 131 are respectively connected to the tops of the protrusions 113 The two sides of the sealing portion 132 are connected to the sides of the protrusions 113 respectively. In this way, the long intermediate frame 12 can be sealed in the back cover 11.

Please refer to FIG. 2, FIG. 3A to FIG. 3B again. In this embodiment, the back cover 11 further includes a bottom-side extension 17 between the protrusions 113. The bottom-side extension 17 includes two first locking structures 171 And a plurality of second locking structures 172, each first locking structure 171 is connected to the bottom edge of each protrusion 113, each second locking structure 172 is located between the first locking structures 171, and is arranged at intervals, the first The locking structure 171 and the second locking structure 172 are provided with locking holes 173. The locking holes, such as screws, can be locked with the long intermediate frame 12 and the long front frame 13. However, the present invention does not limit the forms of the first locking structure 171 and the second locking structure 172. As shown in the embodiments shown in FIGS. 2 and 3A, the second locking structure 172 further includes an opening 1721, a long type The intermediate frame 12 is provided with a protrusion, which can be sleeved in the opening, so as to position the long intermediate frame 12.

In the above-mentioned embodiment, the long intermediate frame 12 and the long front frame 13 adopt a "in-line" structure, which can greatly reduce the cost of materials used for manufacturing. On the other hand, the overall thickness of the frame after assembly can also be reduced.

Please refer to FIG. 3B again, and refer to FIG. 4. FIG. 4 is a partial use state diagram of an embodiment of the frame structure 1 of the present invention, and its position corresponds to the frame line X of the embodiment shown in FIG. 1. The frame structure 1 is applied to the display device 100, and the display device 100 includes a liquid crystal panel 3, an adhesive 16, and an optical film group 2. In this embodiment, each side plate portion 114 of the frame structure 1 has an arrangement of first stepped structures 1141, and each first stepped structure 1141 extends in a direction opposite to each other, and the reduced power extension refers to at least two The steps follow downward and extend in a horizontal direction to form the first step structure 1141. On the other hand, the long intermediate frame 12 has a second stepped structure 121 which extends toward the top side of the back cover 11 in a power-reducing manner. According to the above, power-reducing extension means that at least The two steps are successively directed downward and extend in the horizontal direction to form a second step structure 121. In this way, the design of the first stepped structure 1141 and the second stepped structure 121 helps to reduce the overall thickness of the frame structure 1.

In addition, in this embodiment, the first stepped structure 1141 and the second stepped structure 121 in the frame structure 1 are combined to form a frame groove 15, and an adhesive 16, such as a double-sided tape, can be disposed on the frame groove 15 to adhere to the liquid crystal panel 3 On the back cover 11. That is to say, the lowered height of the first stepped structure 1141 is the same as the lowered height of the second stepped structure 121. When the long intermediate frame 12 is assembled with the protrusion 113, a frame groove 15 can be formed with the side plate portion 114. An adhesive 16 (such as double-sided adhesive) is provided on the frame groove 15 to facilitate the combination with the liquid crystal panel 3. However, the invention does not limit the object to be pasted is the liquid crystal panel 3.

Please refer to FIG. 5 and FIGS. 6A to 6C. FIG. 5 is a schematic view of an embodiment of a display device 100 according to the present invention. FIGS. 6A to 6C are schematic diagrams, partial exploded diagrams, and partial assembly diagrams of the first embodiment of the optical film group 2 of the display device 100 of the present invention.

The display device 100 includes a frame structure 1 and an optical film group 2 (see FIGS. 6A to 6C ). In this embodiment, the frame structure 1 and the optical film group 2 are assembled by side sliding type. However, the present invention is not limited to this, and in some embodiments, it can also be assembled in a straight up and down manner.

The optical film group 2 includes a first optical film 21 and at least one second optical film 22. The first optical film 21 and at least one second optical film 22 are superposed and fixed, and are embedded in the arch groove 14 is set in the frame structure 1. The first optical film 21 is, for example, a light diffusion sheet, and the second optical film is, for example, a light reflection sheet or a light guide plate.

As shown in FIGS. 6A to 6C, in this embodiment, the optical film group 2 further includes a hanger 23 and a clamp 24, the first optical film 21 has an opening 211 on the side, and the second optical film 22 corresponding to the position of the opening 211, a hanging opening 221 is opened, the second optical film 22 passes through the hanging opening 221 and overlaps with the first optical film 21, and is clamped by a clamp 24 to fix the first An optical film 21 and a second optical film 22. The hanging member 23 is a plastic product in some embodiments. In some embodiments, the clamp 24 is made of an elastic metal sheet. In some embodiments, the clamp 24 may be an elastic plastic material. The invention is not limited thereto.

Please refer to FIGS. 7A to 7B, which are respectively a partially exploded schematic view and a partially assembled view of the second embodiment of the optical film group 2 of the display device 100 of the present invention. In this embodiment, the first optical film 21 and the second optical film 22 are different from the first embodiment in a superimposed fixing manner. The optical film group 2 includes a fixing member 25, and the fixing member 25 includes a hanging portion 251 and two clip parts 252, the clip parts 252 are respectively located on both sides of the hanging part 251, and the hanging part 251 includes a convex part 2511. A notch 212 is formed on the side of the first optical film 21, and the hanging portion 251 is disposed in the notch 212. On the other hand, a hanging opening 221 is formed at the position of the second optical film 22 corresponding to the notch 212, and the second optical film The sheet 22 is superposed on the first optical film 21 through the hanging opening 221 via the hanging portion 251 and is sandwiched through the clamping portion 252 to fix the first optical film 21 and the second optical film 22 in this way. The hanging portion 251 has elasticity and can buffer external vibration and expansion and contraction of the optical diaphragm. In some embodiments, the hanging portion 251 and the clamp 24 may be made of metal material. In other embodiments, the hanging portion 251 and the clamp 24 may be made of plastic materials.

Please refer to FIG. 8, which is a top view of a third embodiment of the optical film group 2 of the display device 100 of the present invention. In this embodiment, the first optical film 21 and the second optical film 22 are stacked and fixed in another way. The optical film group 2 includes a ring-shaped fixing member 25, the first optical film 21 is provided with a first slot 213 on the side, and the second optical film 22 is opened corresponding to the position of the first slot 213 A second notch 222 is provided, and the annular fixing member 25 encloses the first notch 213 and the second notch 222 to fix the first optical film 21 and the second optical film 22. The ring-shaped fixing member 25 is, for example, a rubber ring. It may be a metal ring in some embodiments, and the invention is not limited.

The frame structure according to one or more embodiments of the present invention can effectively achieve the required structural strength of the frame, and can effectively achieve the narrowing treatment to reduce the superimposed thickness of the frame. In the manufacturing process, since the long intermediate frame and the long front frame are generally in a straight-line structure, the manufacturing cost is lower than that of the prior art. In an embodiment, the total thickness of the thinnest part of the frame structure may be less than 5 mm.

In addition, through the display device of one or more embodiments of the present invention, in addition to the advantages of the above-mentioned frame structure, the optical film is fixed on the light diffusion sheet and assembled into the frame structure in a sliding manner, compared with the prior art By using a rivet to fix the optical film group, the assembly method of the frame structure and the optical film group in one or more embodiments of the present invention has the effect of reducing the manufacturing cost.

1: frame structure

11: back cover

112: top retaining wall

114: Side panel

115: Top Board Department

12: Long intermediate frame

13: Long front frame

14: Arched slot

141: Notch

17: Bottom extension

171: The first locking structure

172: Second locking structure

1721: opening

173: Keyhole

X: at the border

Claims (11)

A frame structure includes: a back cover, including two side retaining walls, a top side retaining wall, two side plate portions, and a top plate portion, each of the side retaining walls is connected to both sides of the top side retaining wall; The side plate portions are respectively connected to the two ends of the top plate portion, the side plate portions are respectively located on the side edge retaining walls, the top plate portion is located on the top edge retaining wall, each side plate portion and the corresponding side edge retaining wall are One-piece molding; a long intermediate frame, set between the bottom of each side retaining wall; and two protrusions, each of which is located at the bottom of each side retaining wall, the height of the protrusion is greater than The height of the side retaining wall, and the side retaining walls, the top side retaining wall, the side plate portions and the top plate portion form an arched groove, the arched groove includes a notch located at the protrusions Between the parts, the long intermediate frame covers the notch. The frame structure according to claim 1, wherein each of the side plate portions includes a first stepped structure that extends in a relative direction to lower power; the long intermediate frame includes a second stepped structure that faces a top side direction of the back cover Power down extension. The frame structure according to claim 2, wherein the first step structure and the second step structure are combined to form a frame groove. The frame structure according to claim 3 further includes a plurality of adhesives, which are respectively disposed on the frame groove. The frame structure according to claim 1, further includes a long front frame, both sides of which are connected to the protrusions, and the long intermediate frame is located between the back cover and the long front frame. The frame structure according to claim 5, wherein the long front frame includes a covering portion and a sealing portion, the covering portion is connected to the sealing portion, and two sides of the covering portion are respectively connected to the protrusions A top edge, the two sides of the sealing portion are respectively connected to one side of each protrusion. The frame structure according to claim 1, wherein the back cover further comprises a bottom-side extension portion between the protrusions, the bottom-side extension portion includes two first locking structures and a plurality of second locking structures , Each of the first locking structures is connected to a bottom edge of each of the protrusions; each of the second locking structures is located between the first locking structures and arranged at intervals. A display device comprising: the frame structure according to any one of claims 1 to 7; and an optical film group including a first optical film and at least a second optical film, the first optical film The at least one second optical film is superposed and fixed, and is disposed in the frame structure by being embedded in the arched groove. The display device according to claim 8, wherein the optical film set further includes a hanging piece and a clamp, the first optical film has an opening on one side, and the at least one second optical film corresponds to A hanging hanger is opened at the position of the opening, the at least one second optical film passes through the hanging hanger and overlaps with the first optical film through the hanging hanger, and is clamped by the clamp to fix the first optical A diaphragm and the at least one second optical diaphragm. The display device according to claim 8, wherein the optical film set further includes a fixing member, the fixing member includes a hanging part and two clip parts, the clip parts are respectively located on two sides of the hanging part, the The hanging portion includes a convex portion; the first optical film is provided with a notch on one side, the hanging portion is disposed in the notch, and the at least one second optical film is provided with a hanging mouth at a position corresponding to the notch , The at least one second optical film passes through the hanging opening and the first optical film through the hanging portion Superimposed and clamped by the clamping parts to fix the first optical film and the at least one second optical film. The display device according to claim 8, wherein the optical film set further includes a ring-shaped fixing member, the first optical film has a first notch at one side, and the at least one second optical film corresponds to A second notch is opened at the position of the first notch, and the ring-shaped fixing member sleeves the first notch and the second notch to fix the first optical film and the at least one second optical film.

Images