Display device

Abstract

The utility model discloses a display device which comprises a back plate, a light guide plate, a display panel, a driving circuit board and a flexible circuit board, the back plate comprises a bottom plate and a first side plate, the bottom plate and the first side plate define a containing cavity, a groove is formed in the bottom plate, the light guide plate is arranged on the bottom plate, and the driving circuit board is arranged on the first side plate. The base plate is provided with a containing cavity, the light guide plate is located in the containing cavity, the display panel is arranged on the side, away from the base plate, of the light guide plate, the driving circuit board is arranged on the side, away from the display panel, of the light guide plate, and at least one part of the driving circuit board is arranged in the open groove. And the flexible circuit board is electrically connected with the driving circuit board and the substrate of the display panel. The display device has the advantage that the problem that the thickness of the display device is large can be solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of display, in particular to a display device. BACKGROUND

[0002] The display device includes a back plate, a display panel and a driving circuit board, the display panel is arranged on the back plate, and the driving circuit board is used for driving the display panel to work. In the display device of the conventional scheme, the driving circuit board is arranged on the back side of the back plate, and the driving circuit board is electrically connected with the substrate of the display panel through a flexible circuit board. However, after the driving circuit board is arranged on the back side of the back plate, a platform for fixing the driving circuit board needs to be extended from the bottom plate of the back plate in the direction away from the display panel, so as to cause the thickness of the display device to be relatively thick. CONTENT OF THE UTILITY MODEL

[0003] Embodiments of the present application provide a display device to improve the problem that the thickness of the display device is relatively thick.

[0004] Embodiments of the present application provide a display device, which comprises:

[0005] A back plate, the back plate comprises a bottom plate and a first side plate, the bottom plate and the first side plate enclose a containing cavity, and the bottom plate is provided with a slot;

[0006] A light guide plate, the light guide plate is arranged on the bottom plate, and the light guide plate is located in the containing cavity;

[0007] A display panel, the display panel is arranged on the side of the light guide plate away from the bottom plate;

[0008] A driving circuit board, the driving circuit board is arranged on the side of the light guide plate away from the display panel, and at least a part of the driving circuit board is arranged in the slot;

[0009] A flexible circuit board, the flexible circuit board is electrically connected with the driving circuit board and the substrate of the display panel.

[0010] Further, the display device further comprises an adhesive, wherein the driving circuit board is fixed with the light guide plate through the adhesive.

[0011] Further, the gap between the sidewall of the slot and the driving circuit board is not greater than 0.3mm.

[0012] Further, a reflective coating is arranged on the surface of the light guide plate away from the display panel.

[0013] Further, the sidewall of the slot is provided with a flexible piece, and the flexible piece abuts against the sidewall of the driving circuit board.

[0014] Further, the area of the opening of the slot away from the side of the display panel is smaller than the area of the opening of the slot close to the side of the display panel, and the area of the opening of the drive circuit board away from the side of the display panel is smaller than the area of the opening of the drive circuit board close to the side of the display panel, and the drive circuit board is inserted into the slot.

[0015] Further, the edge of the slot away from the side of the display panel is provided with a guide part.

[0016] Further, the guide part comprises an inclined surface or an arc convex surface.

[0017] Further, the thickness of the drive circuit board is smaller than the depth of the slot, and a part of the drive circuit board protrudes out of the slot.

[0018] Further, the display device further comprises:

[0019] a front frame fixed with the back plate;

[0020] a protection part fixed with the bottom plate and the front frame, and a part of the protection part covers the drive circuit board and the flexible circuit board.

[0021] The beneficial effects of the present application are:

[0022] The present application provides a display device, by setting a slot on the bottom plate, and setting at least a part of the drive circuit board in the slot, that is, in the technical scheme of the present application, the drive circuit board is fixed in the slot of the bottom plate; compared with the conventional scheme, it is not necessary to extend the platform of the drive circuit board for fixation in the direction of the bottom plate of the back plate away from the display panel, thereby reducing the thickness of the display device. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a schematic view of the display device of the present application;

[0024] Figure 2 is Figure 1 is a schematic view of the A-A' position of the display device shown in the first display device;

[0025] Figure 3 is Figure 1 is a schematic view of the A-A' position of the first display device shown;

[0026] Figure 4 is Figure 3 is an enlarged view of the B position of the display device;

[0027] Figure 5 is Figure 1the second display device shown in the schematic view at A-A';

[0028] Figure 6 is Figure 5 the enlarged view of the C position of the display device shown;

[0029] Figure 7 is Figure 1 the third display device shown in the schematic view at A-A';

[0030] Figure 8 is Figure 7 the enlarged view of the D position of the display device shown.

[0031] BRIEF DESCRIPTION OF DRAWINGS

[0032] 10 - display device; 100 - back plate, 110 - bottom plate, 111 - slot, 112 - guide portion, 120 - first side plate, 130 - accommodating cavity; 200 - light guide plate; 300 - display panel; 400 - driving circuit board; 500 - flexible circuit board; 600 - adhesive; 700 - reflective coating; 800 - flexible member; 900 - front frame, 910 - top plate, 920 - second side plate; 1000 - protective member; 1100 - light bar. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. The technical solutions described below are only used to explain and illustrate the ideas of the present application, and should not be regarded as limiting the protection scope of the present application.

[0034] In addition, the terms "first", "second", and similar words do not represent any order, quantity, or importance, but are only used to distinguish different technical features. The term "multiple" and similar words represent two or more, unless otherwise explicitly limited.

[0035] The first embodiment of the present application provides a display device, referring to Figure 1 , Figure 2 , Figure 3 , Figure 4The display device 10 comprises a back plate 100, a light guide plate 200, a display panel 300, a driving circuit board 400 and a flexible circuit board 500. The back plate 100 comprises a bottom plate 110 and a first side plate 120, the bottom plate 110 and the first side plate 120 enclose a containing cavity 130, and the bottom plate 110 is provided with a slot 111. The light guide plate 200 is arranged on the bottom plate 110 and located in the containing cavity 130. The display panel 300 is arranged on a side of the light guide plate 200 away from the bottom plate 110. The driving circuit board 400 is arranged on a side of the light guide plate 200 away from the display panel 300, and at least a part of the driving circuit board 400 is arranged in the slot 111. The flexible circuit board 500 is electrically connected with the driving circuit board 400 and a substrate of the display panel 300. Specifically, the display device 10 further comprises an adhesive 600, and the driving circuit board 400 is fixed with the light guide plate 200 through the adhesive 600.

[0036] By arranging the slot 111 on the bottom plate 110 and arranging at least a part of the driving circuit board 400 in the slot 111, that is, in the technical scheme of the present application, the driving circuit board 400 is fixed in the slot 111 of the bottom plate 110. Compared with the conventional scheme, the display device 10 does not need to extend a platform for fixing the driving circuit board 400 on the bottom plate 110 of the back plate 100 in the direction away from the display panel 300, thereby reducing the thickness of the display device 10. Meanwhile, since the display device 10 further comprises the adhesive 600, and the driving circuit board 400 is fixed with the light guide plate 200 through the adhesive 600, the driving circuit board 400 can be fixed in the slot 111, thereby avoiding the driving circuit board 400 from falling off from the slot 111.

[0037] In the embodiment, the display device 10 is a liquid crystal display device.

[0038] In the embodiment, the display device 10 further comprises a light bar 1100, the light bar 1100 is fixed with the first side plate 120, and a light emitting surface of the light bar 1100 faces the light guide plate 200.

[0039] In the embodiment, the display device 10 further comprises a light bar 1100, the light bar 1100 is fixed with the first side plate 120, and a light emitting surface of the light bar 1100 faces the light guide plate 200. Figure 3The side wall of the slot 111 is spaced apart from the driving circuit board 400 by a distance c, and the distance c is not greater than 0.3 mm. By arranging the distance c between the side wall of the slot 111 and the driving circuit board 400 to be not greater than 0.3 mm, the slot 111 can function as a limiting part, and the risk of the driving circuit board 400 falling out of the slot 111 due to the distance between the side wall of the slot 111 and the driving circuit board 400 being too large can be reduced. Preferably, the distance c is 0.1 mm, 0.2 mm, 0.2 mm, 0.4 mm, 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm, 1.0 mm, 1.1 mm, 1.2 mm, 1.3 mm, 1.4 mm, 1.5 mm, 1.6 mm, 1.7 mm, 1.8 mm, 1.9 mm, 2.0 mm, 2.1 mm, 2.2 mm, 2.3 mm, 2.4 mm, 2.5 mm, 2.6 mm, 2.7 mm, 2.8 mm, 2.9 mm, or 3.0 mm.

[0040] In this embodiment, referring to Figure 3 , the light guide plate 200 is provided with a reflective coating 700 on a surface away from the display panel 300. By arranging the reflective coating 700 on the surface of the light guide plate 200 away from the display panel 300, the thickness of the reflective sheet relative to the light guide plate 200 is thinner, and the reflective sheet is prone to falling off when the driving circuit board 400 is fixed to the reflective sheet. Therefore, the problem of the driving circuit board 400 falling off the reflective sheet is avoided, and the reflective coating 700 can reflect light, thereby improving the light extraction efficiency of the display device 10.

[0041] In this embodiment, referring to Figure 3 , Figure 4 , the slot 111 is provided with a guide part 112 on an edge of a side away from the display panel 300. By arranging the guide part 112 on the edge of the side of the slot 111 away from the display panel 300, the driving circuit board 400 can be easily installed into the slot 111, thereby reducing the difficulty of installing the driving circuit board 400 into the slot 111.

[0042] In this embodiment, the guide part 112 includes an inclined surface. By arranging the guide part 112 to include an inclined surface, the area of the opening of the side of the slot 111 away from the display panel 300 can be increased, and the inclined surface can function as a guide, so that the driving circuit board 400 can more easily enter the slot 111, thereby reducing the difficulty of installing the driving circuit board 400 into the slot 111. Specifically, the slot 111 is trumpet-shaped.

[0043] In this embodiment, referring to Figure 3 ,Figure 4 The guiding portion 112 comprises an inclined arc convex surface. By setting the guiding portion 112 to comprise an arc convex surface, the area of the opening of the slot 111 away from the display panel 300 can be increased, and the inclined surface can play a guiding role, so that the driving circuit board 400 can more easily enter the slot 111, thereby reducing the difficulty of installing the driving circuit board 400 into the slot 111. Specifically, the slot 111 is trumpet-shaped.

[0044] In the embodiment, the display device 10 further comprises a front frame 900 and a protection member 1000, the front frame 900 is fixed with the back plate 100, and the protection member 1000 is fixed with the bottom plate 110 and the front frame 900, and a part of the protection member 1000 covers the driving circuit board 400 and the flexible circuit board 500. Figure 3 The thickness of the driving circuit board 400 is less than the depth of the slot 111, and a part of the driving circuit board 400 protrudes out of the slot 111.

[0045] In the embodiment, the display device 10 further comprises a front frame 900 and a protection member 1000, the front frame 900 is fixed with the back plate 100, and the protection member 1000 is fixed with the bottom plate 110 and the front frame 900, and a part of the protection member 1000 covers the driving circuit board 400 and the flexible circuit board 500. Figure 3 The display device 10 further comprises a front frame 900 and a protection member 1000, the front frame 900 is fixed with the back plate 100, and the protection member 1000 is fixed with the bottom plate 110 and the front frame 900, and a part of the protection member 1000 covers the driving circuit board 400 and the flexible circuit board 500, so that the protection member 1000 can shield the driving circuit board 400 and the flexible circuit board 500, thereby reducing the risk of damage to the components on the driving circuit board 400 and the flexible circuit board 500.

[0046] In the embodiment, the front frame 900 comprises a top plate 910 and a second side plate 920 connected with the top plate 910, and the second side plate 920 is fixed with the first side plate 120 and the protection member 1000.

[0047] The second embodiment of the present application provides a display device, which refers to Figure 1 , Figure 2 , Figure 5 , Figure 6The display device 10 includes a back plate 100, a light guide plate 200, a display panel 300, a driving circuit board 400, and a flexible circuit board 500. The back plate 100 includes a base plate 110 and a first side plate 120, the base plate 110 and the first side plate 120 forming a receiving cavity 130, and the base plate 110 is provided with a slot 111. The light guide plate 200 is disposed on the base plate 110 and is located within the receiving cavity 130. The display panel 300 is disposed on the base plate 110. The light guide plate 200 is located on the side away from the base plate 110; the driving circuit board 400 is located on the side of the light guide plate 200 away from the display panel 300, and at least a portion of the driving circuit board 400 is located within the slot 111; the flexible circuit board 500 is electrically connected to the driving circuit board 400 and the substrate of the display panel 300; specifically, the sidewall of the slot 111 is provided with a flexible member 800, and the flexible member 800 abuts against the sidewall of the driving circuit board 400.

[0048] By providing a slot 111 on the base plate 110 and placing at least a portion of the driving circuit board 400 within the slot 111, the driving circuit board 400 is fixed within the slot 111 of the base plate 110 in this technical solution. Compared to conventional solutions, it is not necessary to extend a platform for fixing the driving circuit board 400 in the direction away from the display panel 300 on the base plate 110 of the back plate 100, thereby reducing the thickness of the display device 10. At the same time, since a flexible member 800 is provided on the side wall of the slot 111 and the flexible member 800 abuts against the side wall of the driving circuit board 400, the driving circuit board 400 can be fixed within the slot 111, thereby preventing the driving circuit board 400 from falling out of the slot 111.

[0049] In this embodiment, the display device 10 is a liquid crystal display device.

[0050] In this embodiment, the display device 10 further includes a light strip 1100, which is fixed to the first side plate 120, and the light-emitting surface of the light strip 1100 faces the light guide plate 200.

[0051] In this embodiment, reference Figure 5 , Figure 6 The slot 111 has a guide portion 112 on the edge away from the display panel 300. By providing the guide portion 112 on the edge away from the display panel 300 of the slot 111, it is easier to install the drive circuit board 400 into the slot 111, thereby reducing the difficulty of installing the drive circuit board 400.

[0052] In this embodiment, the guide portion 112 includes an inclined surface. By providing an inclined surface to the guide portion 112, the area of ​​the opening on the side of the slot 111 away from the display panel 300 can be increased, and the inclined surface can act as a guide, making it easier for the drive circuit board 400 to enter the slot 111, thereby reducing the difficulty of installing the drive circuit board 400 into the slot 111. Specifically, the slot 111 is funnel-shaped.

[0053] In this embodiment, reference Figure 5 , Figure 6 The guide portion 112 includes an inclined arc-shaped convex surface. By providing the guide portion 112 with an arc-shaped convex surface, the area of ​​the opening on the side of the slot 111 away from the display panel 300 can be increased, and the inclined surface can act as a guide, making it easier for the drive circuit board 400 to enter the slot 111, thereby reducing the difficulty of installing the drive circuit board 400 into the slot 111. Specifically, the slot 111 is funnel-shaped.

[0054] In this embodiment, the thickness of the drive circuit board 400 is less than the depth of the slot 111, and a portion of the drive circuit board 400 protrudes outside the slot 111.

[0055] In this embodiment, reference Figure 5 The display device 10 further includes a front frame 900 and a protective member 1000. The front frame 900 is fixed to the back plate 100; the protective member 1000 is fixed to the base plate 110 and the front frame 900, and a portion of the protective member 1000 covers the driving circuit board 400 and the flexible circuit board 500. By including the front frame 900 and the protective member 1000 in the display device 10, the front frame 900 is fixed to the back plate 100; the protective member 1000 is fixed to the base plate 110 and the front frame 900, and a portion of the protective member 1000 covers the driving circuit board 400 and the flexible circuit board 500, the protective member 1000 can effectively shield the driving circuit board 400 and the flexible circuit board 500, thereby reducing the risk of damage to the components on the driving circuit board 400 and the flexible circuit board 500.

[0056] In this embodiment, reference Figure 5 The front frame 900 includes a top plate 910 and a second side plate 920 connected to the top plate 910. The second side plate 920 is fixed to the first side plate 120 and the protective member 1000.

[0057] In this embodiment, the display device 10 further includes a reflector, which is disposed on the side of the light guide plate 200 away from the display panel 300.

[0058] In this embodiment, the reflector is a reflective sheet.

[0059] In this embodiment, the reflective element is a reflective coating, wherein the reflective coating is disposed on a surface of the light guide 200 away from the display panel 300.

[0060] The third embodiment of this application provides a display device, with reference to... Figure 1 , Figure 2 , Figure 7 , Figure 8 The display device 10 includes a back plate 100, a light guide plate 200, a display panel 300, a driving circuit board 400, and a flexible circuit board 500. The back plate 100 includes a base plate 110 and a first side plate 120, which together form a receiving cavity 130. A slot 111 is provided on the base plate 110. The light guide plate 200 is disposed on the base plate 110 and located within the receiving cavity 130. The display panel 300 is disposed on the side of the light guide plate 200 away from the base plate 110. The driving circuit board 400 is disposed on the side of the light guide plate 200 away from the display panel 500. On one side of 00, at least a portion of the driving circuit board 400 is disposed within the slot 111; the flexible circuit board 500 is electrically connected to the driving circuit board 400 and the substrate of the display panel 300; specifically, the area of ​​the opening on the side of the slot 111 away from the display panel 300 is smaller than the area of ​​the opening on the side of the slot 111 close to the display panel 300, the area of ​​the opening on the side of the driving circuit board 400 away from the display panel 300 is smaller than the area of ​​the opening on the side of the driving circuit board 400 close to the display panel 300, and the driving circuit board 400 is inserted into the slot 111.

[0061] By providing a slot 111 on the base plate 110 and placing at least a portion of the driving circuit board 400 within the slot 111, the driving circuit board 400 is fixed within the slot 111 of the base plate 110 in this technical solution. Compared to conventional solutions, it eliminates the need for a platform extending from the base plate 110 of the back plate 100 away from the display panel 300 to fix the driving circuit board 400, thereby reducing the thickness of the display device 10. Simultaneously, since the area of ​​the opening on the side of the slot 111 away from the display panel 300 is smaller than the area of ​​the opening on the side of the slot 111 close to the display panel 300, and the area of ​​the opening on the side of the driving circuit board 400 away from the display panel 300 is smaller than the area of ​​the opening on the side of the driving circuit board 400 close to the display panel 300, the driving circuit board 400 is snapped into the slot 111, allowing the slot 111 to fix the driving circuit board 400 and preventing it from falling out of the slot 111.

[0062] In this embodiment, the display device 10 is a liquid crystal display device.

[0063] In this embodiment, the display device 10 further includes a light strip 1100, which is fixed to the first side plate 120, and the light-emitting surface of the light strip 1100 faces the light guide plate 200.

[0064] In this embodiment, the thickness of the drive circuit board 400 is less than the depth of the slot 111, and a portion of the drive circuit board 400 protrudes outside the slot 111.

[0065] In this embodiment, reference Figure 7 The display device 10 further includes a front frame 900 and a protective member 1000. The front frame 900 is fixed to the back plate 100; the protective member 1000 is fixed to the base plate 110 and the front frame 900, and a portion of the protective member 1000 covers the driving circuit board 400 and the flexible circuit board 500. By including the front frame 900 and the protective member 1000 in the display device 10, the front frame 900 is fixed to the back plate 100; the protective member 1000 is fixed to the base plate 110 and the front frame 900, and a portion of the protective member 1000 covers the driving circuit board 400 and the flexible circuit board 500, the protective member 1000 can effectively shield the driving circuit board 400 and the flexible circuit board 500, thereby reducing the risk of damage to the components on the driving circuit board 400 and the flexible circuit board 500.

[0066] In this embodiment, reference Figure 7 The front frame 900 includes a top plate 910 and a second side plate 920 connected to the top plate 910. The second side plate 920 is fixed to the first side plate 120 and the protective member 1000.

[0067] In this embodiment, the display device 10 further includes a reflector, which is disposed on the side of the light guide plate 200 away from the display panel 300.

[0068] In this embodiment, the reflector is a reflective sheet.

[0069] In this embodiment, the reflective element is a reflective coating, wherein the reflective coating is disposed on a surface of the light guide 200 away from the display panel 300.

[0070] In this embodiment, reference Figure 7 , Figure 8The slot 111 has a guide portion 112 on the edge away from the display panel 300. By providing the guide portion 112 on the edge away from the display panel 300 of the slot 111, it is easier to install the drive circuit board 400 into the slot 111, thereby reducing the difficulty of installing the drive circuit board 400.

[0071] In this embodiment, the guide portion 112 includes an inclined surface. By providing an inclined surface to the guide portion 112, the area of ​​the opening on the side of the slot 111 away from the display panel 300 can be increased, and the inclined surface can act as a guide, making it easier for the drive circuit board 400 to enter the slot 111, thereby reducing the difficulty of installing the drive circuit board 400 into the slot 111. Specifically, the slot 111 is funnel-shaped.

[0072] In this embodiment, reference Figure 7 , Figure 8 The guide portion 112 includes an inclined arc-shaped convex surface. By providing the guide portion 112 with an arc-shaped convex surface, the area of ​​the opening on the side of the slot 111 away from the display panel 300 can be increased, and the inclined surface can act as a guide, making it easier for the drive circuit board 400 to enter the slot 111, thereby reducing the difficulty of installing the drive circuit board 400 into the slot 111. Specifically, the slot 111 is funnel-shaped.

[0073] The specific embodiments of this application have been described in detail above. The embodiments disclosed above are merely preferred embodiments of this application. Those skilled in the art can make many modifications and improvements without departing from the concept of this application. All such modifications and improvements fall within the scope of protection defined by the claims of this application.

Claims

1. A display device, characterized by comprising: The display device comprises: a back plate comprising a bottom plate and a first side plate, the bottom plate and the first side plate enclosing a receiving cavity, the bottom plate being provided with a slot; a light guide plate arranged on the bottom plate and located in the receiving cavity; a display panel arranged on a side of the light guide plate away from the bottom plate; a drive circuit board arranged on a side of the light guide plate away from the display panel, at least a part of the drive circuit board being arranged in the slot; a flexible circuit board electrically connected with the drive circuit board and a substrate of the display panel.

2. The display device according to claim 1, wherein The display device further comprises an adhesive member, wherein the drive circuit board is fixed with the light guide plate through the adhesive member.

3. The display device according to claim 2, wherein A spacing is provided between a side wall of the slot and the drive circuit board, and the spacing is not greater than 0.3 mm.

4. The display device according to claim 2, wherein A reflective coating is arranged on a surface of the light guide plate away from the display panel.

5. The display device according to claim 1, wherein A flexible member is arranged on the side wall of the slot and abuts against a side wall of the drive circuit board.

6. The display device according to claim 1, wherein An opening area of the slot on a side away from the display panel is smaller than an opening area of the slot on a side close to the display panel, an opening area of the drive circuit board on a side away from the display panel is smaller than an opening area of the drive circuit board on a side close to the display panel, and the drive circuit board is clamped into the slot.

7. The display device according to claim 1, wherein A guide portion is arranged on an edge of the slot on a side away from the display panel.

8. The display device according to claim 7, wherein The guide portion comprises an inclined surface or an arc convex surface.

9. The display device according to claim 1, wherein A thickness of the drive circuit board is smaller than a depth of the slot, and a part of the drive circuit board protrudes out of the slot.

10. The display device according to claim 1, wherein The display device further comprises: a front frame fixed with the back plate; a protective member fixed with the bottom plate and the front frame, a part of the protective member covering the drive circuit board and the flexible circuit board.

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