CN110767087A - Foldable display device - Google Patents

Referring to fig. 1, fig. 1 is a schematic structural diagram of a foldable display device in a flat state in the prior art. As shown in fig. 1, in the conventional

100, the support function of the bending region of the panel b in the flat state of the mechanism a is often insufficient, so that a finger presses the panel in the bending region to have a significant sinking feeling, which affects the touch experience of a user.

Referring to fig. 2 to fig. 6, fig. 2 is a schematic structural diagram of a foldable display device in a flattened state according to an embodiment of the present application. Fig. 3 is a schematic structural diagram of a foldable display device provided in an embodiment of the present application in a folded state. Fig. 4 is an exploded schematic view of a foldable display device according to an embodiment of the present application. Fig. 5 is another schematic structural diagram of a foldable display device provided in an embodiment of the present application in a folded state. Fig. 6 is a schematic partial sectional view of a foldable display device in a flattened state according to an embodiment of the present application. As shown in fig. 2 to 6, the

200 includes: the display device includes a first

10a, a second

10b, a first connecting

20, a first fixed supporting

30a, a second fixed supporting

30b, a first movable supporting

40a, a second movable supporting

40b, a

70, a first socket mechanism 80, a

50, a first

60a, and a second

60 b.

The first connecting

20 is used for rotatably connecting the first bottom case and the second bottom case; the first fixed supporting mechanism is arranged on the first bottom shell; the second fixed supporting mechanism is arranged on the second shell; the first plug mechanism is slidably arranged between the first fixed supporting mechanism and the first bottom shell; the first socket mechanism is arranged between the second fixed supporting mechanism and the second bottom shell and is matched with the first bolt mechanism; the flexible display panel covers one side of the first supporting and fixing mechanism far away from the first bottom shell, and covers one side of the second supporting and fixing mechanism far away from the second bottom shell, and when the first bottom shell and the second bottom shell are in an unfolded state, the first plug mechanism can be slidably inserted into the first socket mechanism.

The first

10a and the second

10b are respectively symmetrically disposed on two sides of the first connecting

20 and rotatably connected to the first connecting

20, and the rotating shafts of the first

10a and the second

10b are parallel to each other and spaced apart by a certain distance. The first fixed supporting

30a and the second fixed supporting

30b are respectively and fixedly disposed in the first

10a and the second

10b, the first movable supporting

40a and the second movable supporting

40b are disposed side by side and detachably on the first connecting

20, and the far sides of the first movable supporting

40a and the second movable supporting

40b are respectively and rotatably connected with the first fixed supporting

30a and the second fixed supporting

30 b. The

50 covers the first fixed supporting

30a, the second fixed supporting

30b, the first movable supporting

40a, and the second movable supporting

40 b.

When the

50 is in the folded state, the

70 is located in a first

10a, and when the

50 is in the flattened state, an end of the

70 may slide into a first socket mechanism in a second

10b, so that a part of the

70 is located on the first connecting

20 to support the bendable region.

When the flexible display panel is in the flat state, the first movable supporting

40a and the second movable supporting

40b can support the bending area of the

50, so that the concave sense of touch control is avoided, and the user experience can be improved. The bolt mechanism can improve the stability and further improve the supporting force of the first movable supporting

40a and the second movable supporting

40 b.

Referring to fig. 7, fig. 7 is a schematic structural diagram of a first connecting mechanism of a foldable display device according to an embodiment of the present application. The first connecting

20 includes a

21, two

22, and two first limiting

24.

The two

22 are respectively and oppositely arranged on two opposite edges of the upper surface of the

21, each

22 is respectively provided with two

23, and the two

23 on one

22 are respectively and oppositely arranged with the two

23 on the other

22; the first

10a and the second

10b are respectively and rotatably connected to two opposite rotating connecting

23 located on different

22. The two first limiting

24 are respectively and oppositely arranged on the other two opposite sides of the

21, and the longitudinal directions of the two first limiting

24 are parallel to the rotation axial direction of the bottom shell 10; the two

24 are used for providing a supporting force for the first movable supporting

40a and the second movable supporting

40b when the

50 is in the flattened state. The

24 may also limit the limit of the rotation angle of the first movable supporting

40a and the second movable supporting

40b, thereby controlling the shape of the bending region of the flexible display panel when bending. Further, after the

200 is bent, the first position-limiting

24 is connected to the bottom case 10 to block the internal components from being exposed.

Specifically, the

21 is substantially rectangular plate-shaped, the two

22 are distributed along two short sides of the

21, and the two first limiting

24 are distributed along two long sides of the

21. The

24 is also substantially rectangular plate-shaped.

The

23 includes a

231 and a

232 screwed on the

231; the coupling end of the bottom case 10 is provided with a rotation hole, and a

231 is inserted into the rotation hole and fixedly mounted on the

22 by a

232. The

22 is provided with a threaded

221 for mounting the

232. The upper surfaces of the two

24 are provided with a plurality of

241 for the first latch mechanism to pass through.

The

70 includes a transverse connecting

71 and a plurality of

72, the

72 are parallel to each other and are disposed at intervals, ends of the

72 are vertically connected to the transverse connecting

71, and two ends of the transverse connecting

71 are slidably connected to the first

10a, respectively.

The first

10a and the second

10b each include a

11 and two

12, one end of each of the two

12 is connected through a connecting side plate, and the other end of each of the two

12 serves as a connecting end. The

11 is substantially rectangular plate-shaped, and the two

12 are respectively disposed on two opposite sides of the

11; the two

12 of the bottom shell are rotatably connected with the two

12 through two opposite rotating connecting

23 located on different

22.

The connecting end of the

12 is provided with a

121, the

12 is attached to a local area of the corresponding

22, and the

231 simultaneously passes through the

121 and the threaded

221 to realize the rotating connection between the

12 and the

22, so that the bottom case 10 and the first connecting

20 can be rotatably connected.

In some embodiments, a

13 is provided on the connecting end of each

12; the two

13 of each bottom case 10 are meshed with the two

13 of the other bottom case 10, respectively, so that the first

10a and the second

10b can be opened and closed synchronously.

Please refer to fig. 9 and fig. 10 together, and fig. 9 is a schematic structural diagram of the foldable display device in a flattened state according to the embodiment of the present application. Fig. 10 is a schematic structural diagram of another foldable display device provided in an embodiment of the present application in a flattened state. As shown in fig. 9 and 10, a plurality of first socket mechanisms 80 through which the

70 passes are provided on each of the two

11. The inner side of the

12 is provided with a sliding

122 for slidably connecting the side edge of the

70. The sliding

122 is a sliding groove, and two

12 are both provided with a sliding groove, and the two sliding grooves are opposite to each other. The two ends of the transverse connecting

71 of the

70 are slidably clamped in the sliding

122 respectively to realize sliding connection. Of course, it is understood that the sliding

122 can also be a sliding rib.

The first fixed supporting

30a and the second fixed supporting

30b respectively include a

31, two second connecting

33 and two supporting

32, the second connecting

33 are disposed on opposite sides of the

31, and the two supporting

32 are disposed on opposite sides of the first fixed supporting

30a and the second fixed supporting

30b of the

31; the two second connecting

33 and the two supporting

32 are both abutted against the

11 of the bottom case 10, and the first movable supporting

40a and the second movable supporting

40b are rotatably connected to the two second connecting

33 through rotating shafts, respectively.

The

31 has a substantially rectangular plate shape, and the supporting

32 and the second connecting

33 have the same height, so that the surface of the

31 is horizontal. The second connecting

33 is provided with a first through hole, and the movable supporting mechanism 40 and the second connecting

33 are rotatably connected through a rotating shaft penetrating through the first through hole. Wherein, the rotation axis of the rotation shaft is parallel to the rotation axis of the first

10 a.

Referring to fig. 8, fig. 8 is a schematic structural diagram of a movable supporting mechanism of a foldable display device according to an embodiment of the present application. As shown in fig. 8, the first movable supporting

40a and the second movable supporting

40b include a

41 and two first connecting

42 oppositely disposed on an edge of the

41; when the

50 is in a flat state, the

41 of the first movable supporting

40a and the second movable supporting

40b are arranged side by side and cover the first connecting

20, and the two first limiting

24 of the first connecting

20 support the two

41, so that the bending area of the

50 is supported, and the touch feeling is improved.

The first connecting

42 of the first movable supporting

40a and the second movable supporting

40b are rotatably connected with the second connecting

33 of the corresponding first fixed supporting

30a and the second fixed supporting

30b through rotating shafts. The first connecting

42 is provided with a second through

421, and the rotating shaft simultaneously passes through the second through

421 and the first through hole on the second connecting

33 to realize the rotating connection. In addition, in this scheme, when the flexible display panel is in the flat state, the edges of the

41 of the two movable supporting mechanisms are abutted or contacted with the edges of the corresponding

31, so that a planar region supporting the flexible display panel is defined by the two

41 and the two

31 together, the bendable region of the

50 is also supported, the touch feeling is improved, and the occurrence of the concave feeling is avoided.

The

31 and the

41 are rectangular plates and have the same width, and the length of the third substrate is smaller than that of the fourth substrate.

The

31 are each provided with a

311 for a local area of the

50 to be clamped therein.

The

50 includes two first regions 51 and a bendable region 52 for connecting the two first regions, wherein in the unfolded state, the two first regions 51 are respectively attached to the

31 of the two fixed supporting mechanisms 30, and the bendable region is separately located on the

31 of the first movable supporting

40a and the second movable supporting

40 b.

The

60a and the

60b are respectively disposed on the first

10a and the second

10b, and press the edge of the first region 51 on the corresponding

50 onto the first

30a and the second

30 b.

Specifically, each of the first

60a and the second

60b includes a U-shaped

61 and a U-shaped limiting

62 extending along an edge of the

61, and a

621 is formed at an end of the limiting

62; the position-limiting

62 is connected to a sidewall surface of the bottom chassis 10, and the

61 covers the non-display area of the first area 51 to press the first area 51 of the

50. The

621 of the limiting

62 of the first

60a and the second

60b are spliced to form a large notch for the

20 to pass through.

1. A foldable display device, comprising:

a first bottom case;

a second bottom case;

a first connecting mechanism for rotatably connecting the first bottom case and the second bottom case;

the first fixed supporting mechanism is arranged on the first bottom shell;

a second fixed support mechanism provided on the second housing;

a first plug mechanism slidably disposed between the first fixed support mechanism and the first bottom case;

a first socket mechanism disposed between the second fixed supporting mechanism and the second bottom case and mated with the first latch mechanism

A flexible display panel covering a side of the first supporting and fixing mechanism away from the first bottom case and covering a side of the second supporting and fixing mechanism away from the second bottom case,

when the first bottom case and the second bottom case are in the unfolded state, the first plug mechanism is slidably inserted into the first socket mechanism.

2. The foldable display device of claim 1, further comprising a first movable support mechanism and a second movable support mechanism;

the first movable supporting mechanism and the second movable supporting mechanism are arranged on the first connecting mechanism side by side and are detachably arranged, and the far sides of the first movable supporting mechanism and the second movable supporting mechanism are respectively and rotatably connected with the first supporting and fixing mechanism and the second supporting and fixing mechanism; when the end part of the first bolt mechanism is positioned in the other bottom shell, part of the first bolt mechanism is positioned between the first connecting mechanism and the first movable supporting mechanism.

3. The foldable display device of claim 1, wherein the first connecting mechanism comprises a first base panel and two second side panels;

the two second side plates are respectively oppositely arranged on two opposite edges of the upper surface of the first base plate, two rotary connecting parts are respectively arranged on each second side plate, and the two rotary connecting parts on the second side plates are respectively opposite to the two rotary connecting parts on the other second side plate one by one;

the first bottom shell and the second bottom shell are respectively and rotatably connected with two opposite rotary connecting parts which are positioned on different second side plates.

4. The foldable display device of claim 3, wherein the first bottom shell and the second bottom shell each comprise a second base plate and two first side plates, respectively; the two first side plates are respectively oppositely arranged on two opposite side edges of the second substrate;

the two first side plates of the first bottom shell and the second bottom shell are respectively and rotatably connected with the two first side plates through two opposite rotary connecting parts which are positioned on the second side plates.

5. The foldable display device of claim 4, wherein each of the first side plates has a gear portion disposed on a connecting end thereof; the two gear parts of the first bottom case are meshed with the two gear parts of the other second bottom case respectively.

6. The foldable display device of claim 4 or 5, wherein the first connecting mechanism further comprises two first limiting plates, the two first limiting plates are respectively oppositely disposed on the other two opposite sides of the first substrate, and the longitudinal directions of the two first limiting plates are parallel to the rotation axis of the bottom shell; the first socket mechanism is arranged on the upper surfaces of the two first limiting plates and is provided with a limiting groove for the bolt mechanism to pass through.

7. The foldable display device of claim 6, wherein both of the second substrates are provided with a first socket mechanism for passing the first pin mechanism.

8. The foldable display device of claim 6, wherein the inner side of the first side plate is provided with a sliding rail structure for sliding connection of the side edge of the first latch mechanism.

9. The foldable display device of claim 8, wherein said sliding track structure is a sliding channel.

10. The foldable display device of claim 1, further comprising:

a third bottom case, a second connecting mechanism for rotatably connecting the third bottom case and the second bottom case, a third fixed supporting mechanism disposed on the third bottom case, a second plug mechanism slidably disposed between the second fixed supporting mechanism and the second bottom case, and a second socket mechanism disposed between the third fixed supporting mechanism and the third bottom case and configured with the second latch mechanism,

the flexible display panel further covers a side of the third supporting and fixing mechanism far away from the third bottom case, and when the third bottom case and the second bottom case are in an unfolded state, the second plug mechanism is slidably inserted into the second socket mechanism.