Display device

Abstract

The utility model provides a display device. The display device comprises a display panel and a backlight module, the backlight module comprises a back plate, a diffusion plate and a diffusion plate support. Wherein the diffusion plate bracket is positioned between the back plate and the diffusion plate and is used for fixing and supporting the diffusion plate; the diffusion plate bracket comprises a first supporting part and a second supporting part; wherein the first supporting part is fixedly connected with the diffusion plate, and the second supporting part is fixedly connected with the back plate; the first supporting part and the second supporting part are connected with each other. Through mutual cooperation of the first supporting part and the second supporting part, the diffusion plate can be prevented from protruding in the direction close to the display panel, so that the problem of abrasion caused by continuous contact friction collision between the optical film above the diffusion plate and the display panel is prevented; in addition, the diffusion plate can be prevented from sinking towards the direction of the back plate, so that deformation of the diffusion plate is limited in two directions, and the display effect and the subjective effect during watching are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of display, in particular to a display device. Background Art

[0002] With the rapid progress of liquid crystal display (LCD) manufacturing technology and its advantages such as thinness, power saving and no radiation, LCDs are widely used in various electronic products such as notebook computers, digital cameras, digital camcorders, mobile phones, computer monitors and LCD TVs. However, since the liquid crystal display panel in the LCD is a non-self-luminous display panel, it needs the light source provided by the backlight module to produce the display function.

[0003] At present, the commonly used backlight modules include edge-entry backlight modules and direct-type backlight modules. A diffuser plate bracket is usually provided in the backlight module to support the diffuser plate and prevent the diffuser plate from collapsing and deforming. The current diffuser plate bracket generally only plays the role of supporting the diffuser plate and cannot restrict the diffuser plate in two directions. Since display products are now spread all over the world, the transportation road conditions and transportation times in different countries and regions are different. During transportation, the diffuser plate may bulge in the direction close to the display panel, and at the same time, the optical film above the diffuser plate will be constantly in contact, rub and collide with the display panel, causing abrasion problems, thereby affecting the display effect of the liquid crystal display. Alternatively, the diffuser plate may be concave in the direction of the back panel, and at the same time, the optical film above the diffuser plate will be deformed, thereby affecting the display effect and the subjective effect when viewing. Utility Model Content

[0004] The display device provided by the utility model comprises: a display panel for displaying images; a backlight module arranged on the light incident side of the display panel for providing backlight for the display panel;

[0005] The backlight module comprises:

[0006] The back plate has supporting and bearing functions;

[0007] A diffusion plate, located on a side of the back plate facing the display panel, and used for diffusing incident light;

[0008] The diffuser plate bracket is located between the back plate and the diffuser plate, and is used to fix and support the diffuser plate; the diffuser plate bracket includes: a first support portion and a second support portion; wherein the first support portion is fixedly connected to the diffuser plate, and the second support portion is fixedly connected to the back plate; the first support portion and the second support portion are connected to each other.

[0009] In some embodiments of the present invention, the first supporting portion includes a first fixing portion and a first connecting portion; the first fixing portion is fixedly connected to the diffuser plate, and the first connecting portion is connected to the first fixing portion;

[0010] The second supporting portion includes a second fixing portion and a second connecting portion; the second fixing portion is fixedly connected to the back plate, and the second connecting portion is connected to the second fixing portion;

[0011] The first connection portion and the second connection portion are engaged with each other.

[0012] In some embodiments of the present invention, the first connecting portion comprises: a plurality of elastic columns, one end of each of which is connected to the first fixing portion; the plurality of elastic columns are arranged at intervals around the center of the first fixing portion;

[0013] A protrusion is provided at one end of the elastic column away from the first fixing portion, and a width of the protrusion is greater than a width of the elastic column.

[0014] In some embodiments of the present invention, the second connecting portion is an annular hollow structure, and an annular raised edge is arranged in an opening at one end of the annular hollow structure away from the second fixing portion;

[0015] The plurality of elastic columns of the first supporting part are inserted into the annular hollow structure of the second supporting part, and the protruding parts of the elastic columns are engaged with the annular raised edges at the openings of the annular hollow structure.

[0016] In some embodiments of the present invention, the second fixing portion has at least one positioning hole, and the second fixing portion is fixed to the back plate by a fixing member passing through the positioning hole.

[0017] In some embodiments of the present invention, the diffusion plate has a plurality of fixing holes, a plurality of elastic columns in the first supporting portion pass through the fixing holes, and the first fixing portion is embedded in the fixing holes.

[0018] In some embodiments of the present invention, the second supporting portion further includes: an elastic member, the elastic member is connected to the second fixing portion, and the second connecting portion is fixed to the elastic member.

[0019] In some embodiments of the present invention, the backlight module further includes:

[0020] A light source is located on the back panel; the light source includes a plurality of light emitting devices arranged in an array along a first direction and a second direction; the first direction intersects the second direction;

[0021] A reflective sheet, located on a side of the light source away from the back plate; the reflective sheet comprises a plurality of first penetration holes and a plurality of second penetration holes;

[0022] The plurality of first penetration holes correspond to the light emitting devices one by one, and the light emitting devices are exposed from the corresponding first penetration holes; the second penetration holes correspond to the diffuser plate brackets one by one, and the diffuser plate brackets are exposed from the corresponding second penetration holes;

[0023] Each of the second through holes is located at a center position of four adjacent first through holes arranged along the first direction and the second direction.

[0024] In some embodiments of the present invention, the orthographic projection of the elastic member on the back plate is a rectangle; the second through hole is a rectangle, and the second through hole is used to allow the elastic member and the second connecting portion fixed on the elastic member to pass through;

[0025] A long side of the second through hole is parallel to the second direction, and a short side of the second through hole is parallel to the first direction.

[0026] In some embodiments of the present invention, the material of the first support portion is the same as the material of the diffuser plate;

[0027] The second supporting portion is made of white material or transparent material.

[0028] The utility model provides a display device, including: a display panel and a backlight module; the backlight module includes a back plate, a diffusion plate and a diffusion plate bracket; wherein the diffusion plate bracket is located between the back plate and the diffusion plate, and is used to fix and support the diffusion plate; the diffusion plate bracket includes: a first support portion and a second support portion; wherein the first support portion is fixedly connected to the diffusion plate, and the second support portion is fixedly connected to the back plate; the first support portion and the second support portion are connected to each other. That is, through the mutual cooperation of the first support portion and the second support portion, it is possible to prevent the diffusion plate from bulging in the direction close to the display panel, thereby preventing the optical film above the diffusion plate from constantly contacting, rubbing and colliding with the display panel to cause abrasion problems; it is also possible to prevent the diffusion plate from sinking in the direction of the back plate, thereby limiting the deformation of the diffusion plate in two directions, and improving the display effect and the subjective effect when watching. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 A schematic diagram of the cross-sectional structure of a display device provided by an embodiment of the utility model;

[0030] Figure 2 A schematic diagram of a top view of a display device provided in an embodiment of the utility model;

[0031] Figure 3A schematic diagram of a top view of a display device provided in an embodiment of the utility model;

[0032] Figure 4 A schematic diagram of the top view of the reflector provided in an embodiment of the utility model;

[0033] Figure 5 A schematic diagram of a partial structure of a display device provided by an embodiment of the utility model;

[0034] Figure 6 A schematic diagram of the top view of the diffuser plate provided in an embodiment of the utility model;

[0035] Figure 7 A schematic cross-sectional structure diagram of a display device provided by an embodiment of the utility model;

[0036] Figure 8 A schematic cross-sectional structure diagram of a diffuser plate bracket provided in an embodiment of the utility model;

[0037] Fig. 9 A schematic diagram of the structure of a diffuser plate bracket provided in an embodiment of the utility model;

[0038] Fig.10 A schematic structural diagram of a first supporting portion of a diffuser plate bracket provided in an embodiment of the utility model;

[0039] Fig.11 A schematic diagram of the structure of the second supporting portion of the diffuser plate bracket provided in an embodiment of the utility model;

[0040] Fig.12 A schematic cross-sectional view of the second support portion of the diffuser plate support provided in an embodiment of the utility model;

[0041] Fig.13 A schematic diagram of a partial structure of a diffusion plate provided in an embodiment of the utility model;

[0042] Fig.14 A schematic cross-sectional structure diagram of the assembly of the first support portion and the diffuser plate provided in an embodiment of the utility model. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. And in the absence of conflict, the embodiments in the utility model and the features in the embodiments can be combined with each other. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0044] Unless otherwise defined, the technical or scientific terms used in the present invention shall have the usual meanings understood by persons with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar terms used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "include" or "comprise" and the like mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

[0045] It should be noted that the sizes and shapes of the figures in the accompanying drawings do not reflect the actual proportions, and are only intended to illustrate the contents of the utility model. The same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions.

[0046] Liquid crystal display devices have the advantages of being thin, light, power-saving and radiation-free, and have been widely used in various electronic products such as notebook computers, digital cameras, digital camcorders, mobile phones, computer monitors and LCD televisions.

[0047] The liquid crystal display device includes a liquid crystal display panel. Since the liquid crystal display panel is a non-self-luminous display panel, it needs the light source provided by the backlight module to produce a display function, that is, the liquid crystal display device also includes a backlight module.

[0048] The display principle of the liquid crystal display panel is to place the liquid crystal between two pieces of conductive glass, and rely on the electric field between the two electrodes to drive the electric field effect of the liquid crystal molecules to distort, so as to control the transmission or shielding function of the backlight source, thereby displaying the image. If a color filter is added, a color image can be displayed.

[0049] Currently, commonly used backlight modules include edge-entry backlight modules and direct-type backlight modules. Direct-type backlight modules have the advantage of high brightness. A diffusion plate bracket is usually provided in the direct-type backlight module to support the diffusion plate and prevent the diffusion plate from collapsing and deforming.

[0050] The current diffuser bracket generally only supports the diffuser and cannot restrict the diffuser in two directions. Since display products are now distributed all over the world, the transportation conditions and transportation times in different countries and regions are different. During transportation, the diffuser may bulge toward the display panel, and the optical film above the diffuser may be constantly in contact, rub and collide with the display panel, causing abrasion problems, thereby affecting the display effect of the LCD. Alternatively, the diffuser may sag away from the display panel, and the optical film above the diffuser may sag, thereby affecting the display effect of the LCD and further affecting the subjective effect when watching.

[0051] In order to overcome the above problems, the present invention provides a display device. Figure 1 This is a schematic diagram of the cross-sectional structure of a display device provided by an embodiment of the utility model. Figure 1 As shown, the display device includes: a display panel 6 and a backlight module 7.

[0052] The display panel 6 is used to display images.

[0053] For example, the display panel 6 can be generally configured as a rectangle. When applied to a special-shaped display device, its shape is adapted to the shape of the display device. The size of the display panel 6 is generally matched with the backlight module 7 .

[0054] In some embodiments, the display panel 6 may be the above-mentioned liquid crystal display panel.

[0055] The backlight module 7 is disposed on the light incident side of the display panel 6 and is used to provide backlight for the display panel 6 .

[0056] The backlight module 7 is usually located at the bottom of the display device, and its shape and size are adapted to the shape and size of the display device. When applied to fields such as televisions or mobile terminals, the backlight module usually adopts a rectangular shape.

[0057] like Figure 1 As shown, the backlight module 7 includes: a back plate 3, a light source 9, a reflective sheet 8, a diffuser plate bracket 1, a diffuser plate 2 and an optical film 4.

[0058] The back plate 3 has supporting and bearing functions.

[0059] Exemplarily, the back plate 3 may be located at the bottom of the backlight module 7 , and the back plate 3 is used to support the light source 9 , and to support and fix the edge positions of components such as the diffusion plate 2 and the optical film 4 .

[0060] The back plate 3 is usually a square structure, and when applied to a special-shaped display device, its shape is adapted to the shape of the display device. The shape of the back plate 3 is adapted to the shape of the backlight module 7 .

[0061] The material of the back plate 3 can be aluminum, iron, aluminum alloy or iron alloy, etc. The back plate 3 can also play a role in heat dissipation.

[0062] Figure 2 This is one of the schematic diagrams of the top view structure of the display device provided in the embodiment of the utility model, Figure 3 This is a second schematic diagram of the top view structure of the display device provided in an embodiment of the utility model.

[0063] For example, Figure 2 As shown, the light source 9 is located on the back plate 3. The light source 9 can be a plurality of light bars arranged in parallel and at intervals. The light bar usually adopts a strip circuit board 91. The strip circuit board 91 extends along the first direction F1, and a row of light emitting devices 92 are connected to the strip circuit board 91. The plurality of light bars are arranged at intervals on the back plate 3 along the first direction F1 or the second direction F2, and are evenly arranged on the back plate 3, so that the light source can evenly illuminate each area of ​​the display panel.

[0064] The light strip can be fixed on the back plate 3 by means of connecting pieces such as screws, or the light strip can also be pasted on the back plate 3 .

[0065] For example, Figure 3 As shown, the light source 9 can also be a light board, which includes a circuit board 93 and light-emitting devices 92 arranged in an array on the circuit board 93. The light-emitting devices 92 on the light board are evenly spaced and arranged in sequence along the first direction F1 and the second direction F2 of the circuit board 93, so that the light source 9 can evenly illuminate various areas of the display panel.

[0066] Typically, the light panel may be square or rectangular in shape as a whole. When applied to a special-shaped display device, its shape and size are adapted to the shape and size of the display device.

[0067] The light board 93 also has a plurality of mutually spaced avoidance holes, which are located between two adjacent rows of light emitting devices 92 and two adjacent columns of light emitting devices 92 . The positions of the avoidance holes correspond to the positions of the diffuser plate brackets, and are used to expose the diffuser plate brackets 1 .

[0068] For example, Figure 3 and Figure 4 As shown, the diffuser plate bracket 1 is located between two adjacent rows of light emitting devices 92 and two adjacent columns of light emitting devices 92 , and the diffuser plate bracket 1 is evenly arranged on the back plate 3 , so as to evenly support and fix the diffuser plate.

[0069] Exemplarily, multiple driver ICs can be integrated on a light board or light strip to divide the light source into multiple dimming areas to achieve regional dimming. In the backlight module that applies regional dimming technology, the light-emitting device can use LED (Light Emitting Diode, LED for short), Mini LED (Mini-Light Emitting Diode, Mini LED for short), Micro LED (Micro Light Emitting Diode, Micro LED for short), etc. For example, Mini LED is used, because Mini LED has the advantages of small size and high brightness. More light-emitting devices can be set on the light board or light strip of the same area, providing higher backlight brightness and more delicate zoning control effect. When applied to different display devices and usage requirements, other types of light-emitting devices can also be used, which are not limited here.

[0070] Figure 4 A schematic diagram of the top view of the reflector provided in the embodiment of the utility model. Figure 5 A schematic diagram of a partial structure of a display device provided in an embodiment of the utility model.

[0071] The reflective sheet 8 is located on a side of the light source away from the back plate 3 , and is used to reflect the light emitted downward by the light emitting device toward the light emitting side, thereby improving the utilization rate of the light.

[0072] For example, Figure 1 As shown, after the light emitted by the light source 9 reaches the position where the diffuser plate 2 is located, part of the light is refracted by the diffuser plate 2 and continues to move in the direction of the emitted light, and the other part of the light is reflected by the surface of the diffuser plate 2 at the diffuser plate 2 and then enters the surface of the reflective sheet 8. The reflective sheet 8 reflects this part of the light and re-emits it in the direction of the diffuser plate 2. After repeated reflection and refraction, the utilization rate of the light can be improved and the light mixing can be made more uniform.

[0073] For example, Figure 4 As shown, the reflector 8 has a plurality of first through holes 81 and a plurality of second through holes 82 , and the second through holes 82 are located between two adjacent rows of first through holes 81 arranged along the first direction F1 and between two adjacent columns of first through holes 81 arranged along the second direction F2 .

[0074] Among them, Figure 5 As shown, the first penetration holes 81 are square, and the plurality of first penetration holes 81 correspond to the plurality of light emitting devices 92 one by one, respectively, for exposing the light emitting devices 92 .

[0075] The second through holes 82 are rectangular, with their long sides parallel to the second direction F2 and their short sides parallel to the first direction F1. The second through holes 82 correspond to the diffuser brackets 1 one by one to expose the second support portion 101 of the diffuser bracket.

[0076] In some embodiments, the distance between the edge of the first through hole 81 and its corresponding light-emitting device 92 is at least greater than 1.5 mm, and the distance between the edge of the second through hole 82 and its corresponding diffuser plate bracket is at least greater than 1.5 mm. This is to avoid errors in the position of the diffuser plate bracket or the light-emitting device, which may lead to unsuccessful installation of the reflector.

[0077] Figure 6 A schematic top view of the structure of a diffuser provided in an embodiment of the utility model.

[0078] The diffuser plate 2 is located at the light emitting side of the light source. There is a certain distance between the diffuser plate 2 and the light source. The diffuser plate can diffuse the incident light, so that the emitted light of the light source is fully mixed, and the light emitted after passing through the diffuser plate 2 is more uniform.

[0079] For example, the diffuser 2 is provided with scattering particle material, and the light incident on the scattering particle material will be refracted and reflected continuously, thereby achieving the effect of breaking up the light and achieving the effect of uniform light. The thickness of the diffuser is usually set to 0.5mm-3mm. The thicker the diffuser, the greater the haze and the better the uniform effect.

[0080] For example, the diffuser plate 2 may be processed by extrusion process, and the material used for the diffuser plate 2 may include at least one of polymethyl methacrylate PMMA, polycarbonate PC, polystyrene PS, and polypropylene PP.

[0081] For example, the diffuser plate may be square or rectangular in shape as a whole. When applied to a special-shaped display device, its shape and size are adapted to the shape and size of the display device.

[0082] The optical film 4 is located between the display panel 6 and the diffusion plate 2. The optical film 4 can make the backlight module 7 adapt to various practical applications.

[0083] Exemplarily, the optical film 4 is located on the side of the diffuser 2 away from the back plate 3. The optical film 4 can be provided as a whole layer, and its shape is the same as the overall shape of the diffuser 2, and can usually be provided as a rectangle or a square. When applied to a special-shaped display device, its shape and size are adapted to the shape and size of the display device.

[0084] Exemplarily, the optical film 4 may include one or a combination of a fluorescent film, a prism film, a brightness enhancement film, etc., and may be configured according to specific needs, which is not limited here.

[0085] Exemplarily, the optical film 4 may be fixed to the diffuser plate 2 by means of double-sided adhesive tape. Of course, the optical film 4 may also be fixed to the diffuser plate 2 by means of other fixing methods, which are not limited here.

[0086] Figure 7 This is a schematic cross-sectional structure diagram of a display device provided in an embodiment of the present utility model.

[0087] like Figure 1 and Figure 7 As shown, the diffuser plate bracket 1 is located between the back plate 3 and the diffuser plate 2, and is used to fix and support the diffuser plate 2; the diffuser plate bracket 1 includes: a first support portion 102 and a second support portion 101; wherein the first support portion 102 is fixedly connected to the diffuser plate 2, and the second support portion 101 is fixedly connected to the back plate 3; the first support portion 102 and the second support portion 101 are connected to each other.

[0088] The embodiment of the utility model is provided with a diffuser plate bracket including a first support part and a second support part; wherein the first support part is fixedly connected to the diffuser plate, and the second support part is fixedly connected to the back plate; the first support part and the second support part are connected to each other. That is, through the cooperation between the first support part and the second support part, the diffuser plate can be fixed and restricted from the upper and lower directions, so as to avoid the diffuser plate from bulging in the direction close to the display panel during transportation or mechanical testing, thereby preventing the optical film above the diffuser plate from being constantly contacted, rubbed and collided with the display panel to cause abrasion problems, thereby improving the display effect; and, it can also avoid the diffuser plate from being sunken in the direction of the back plate, thereby preventing the optical film above the diffuser plate from being deformed, thereby improving the display effect and the subjective effect when watching.

[0089] Figure 8 A schematic cross-sectional structure diagram of a diffuser plate bracket provided in an embodiment of the utility model; Fig. 9 A schematic structural diagram of a diffuser plate bracket provided in an embodiment of the utility model.

[0090] In some embodiments, Figure 8 and Fig. 9 As shown, the first supporting portion 102 includes a first fixing portion 1022 and a first connecting portion 1021 ; the first fixing portion 1022 is fixedly connected to the diffuser plate 2 , and the first connecting portion 1021 is connected to the first fixing portion 1022 .

[0091] The first fixing portion can be used to fix and restrict the diffusion plate from above to prevent the diffusion plate from bulging or collapsing, and the first connecting portion can be used to support the diffusion plate to further prevent the diffusion plate from collapsing, thereby improving the display effect.

[0092] It should be noted that the first fixing portion and the first connecting portion can be integrally formed, or can be manufactured separately and connected into a whole by welding, bonding, etc. The specific selection can be made according to actual conditions, and the present invention does not make specific restrictions on this.

[0093] Exemplarily, the first fixing portion may be in a disc shape. Of course, the first fixing portion may also be in other shapes, which is not limited here.

[0094] The second supporting portion 101 includes a second fixing portion 1014 and a second connecting portion 1015 ; the second fixing portion 1014 is fixedly connected to the back plate 3 , and the second connecting portion 1015 is connected to the second fixing portion 1014 .

[0095] Among them, the second fixing part can be used to fix the diffusion plate from the bottom, and by being fixedly connected to the back plate, it can also prevent the diffusion plate bracket from displacement and sliding. The second connecting part can be used to support the diffusion plate to further avoid the diffusion plate from collapsing, thereby improving the display effect.

[0096] It should be noted that the second fixing portion and the second connecting portion can be integrally formed, or can be manufactured separately and connected into a whole by welding, bonding, etc. The specific selection can be made according to actual conditions, and the present invention does not make specific restrictions on this.

[0097] The first connection part 1021 and the second connection part 1015 are engaged with each other. By engaging the first connection part and the second connection part with each other, the diffuser plate and the diffuser plate bracket are easier to install. By engaging the first connection part and the second connection part, the diffuser plate, the diffuser plate bracket and the back plate can be fixed to each other, thereby fixing and restricting the diffuser plate in the upper and lower directions, preventing the diffuser plate from bulging or collapsing, and thus preventing the optical film above the diffuser plate from being deformed.

[0098] Fig.10 This is a schematic structural diagram of the first supporting portion of the diffuser plate bracket provided in an embodiment of the utility model.

[0099] In some embodiments, Fig.10 As shown, the first connecting portion 1021 includes: a plurality of elastic columns 12, one end of the elastic column 12 is connected to the first fixing portion 1022; the plurality of elastic columns 12 are arranged at intervals around the center of the first fixing portion 1022, so that the installation is convenient and the subsequent assembly failure is avoided due to process errors.

[0100] A protrusion 120 is disposed at one end of the elastic column 12 away from the first fixing portion 1022 . The width of the protrusion 120 is greater than the width of the elastic column 12 . The protrusion 120 is disposed to engage with the second connecting portion to prevent the first connecting portion from being separated from the second connecting portion.

[0101] For example, Fig.10 As shown, the first connecting portion 1021 is composed of four elastic columns 12 spaced apart from each other around the first fixing portion 1022. Figure 8 It can be seen that the width of the protrusion 120 is larger than the width of other parts of the elastic column 12 .

[0102] Fig.11 A schematic diagram of the structure of the second support portion of the diffuser plate bracket provided in an embodiment of the utility model, Fig.12 This is a schematic cross-sectional structural diagram of the second supporting portion of the diffuser plate bracket provided in an embodiment of the utility model.

[0103] In some embodiments, Fig.11 and Fig.12 As shown, the second connection part 1015 is an annular hollow structure, which is configured to allow the first connection part to be inserted and connected to the first connection part.

[0104] Among them, an annular raised edge 110 is arranged in the opening at one end of the annular hollow structure away from the second fixed part 1014, and the multiple elastic columns 12 of the first support part 102 are inserted into the annular hollow structure of the second support part 101, and the protruding portion 120 of the elastic column 12 is engaged with the annular raised edge 110 at the opening of the annular hollow structure to achieve the engagement of the two, so that the first connecting part and the second connecting part can be assembled together more firmly and will not be easily separated.

[0105] In some embodiments, Fig.11 As shown, the second fixing portion 1014 has at least one positioning hole 1012 , and the second fixing portion 1014 is fixed to the back plate 3 by a fixing member passing through the positioning hole 1012 , so as to fix the diffuser plate bracket.

[0106] Exemplarily, the fixing member may include a screw or other structure that can be used for fixing, which is not specifically limited here.

[0107] In some embodiments, Fig.11 and Fig.12 As shown, the second supporting portion 101 further includes: an elastic member 1011, the elastic member 1011 is connected to the second fixing portion 1014, the second connecting portion 1015 is fixed to the elastic member 1011, and the elastic member plays a buffering role and can buffer the external force on the diffusion plate in the height direction.

[0108] The orthographic projection of the elastic member 1011 on the back plate is a rectangle, the long side of the orthographic projection of the elastic member 1011 is parallel to the second direction F2, and the short side of the orthographic projection of the elastic member 1011 is parallel to the first direction F1. The elastic member 1011 can pass through the second through hole 82.

[0109] Exemplarily, the elastic member 1011 may be a sheet-like support structure with an arc, the positions where both sides of the elastic member 1011 are connected to the second fixing portion 1014 are both arc-shaped, and the position where the middle of the elastic member 1011 is connected to the second connecting portion 1015 may be parallel to the second fixing portion 1014.

[0110] The elastic member 1011 may be made of the same material as the second fixing portion 1014 or the second connecting portion 1015 . Of course, the elastic member 1011 may be made of a material different from that of the second fixing portion or the second connecting portion, for example, some elastic materials such as rubber.

[0111] It should be noted that the elastic member, the second fixing portion and the second connecting portion can be integrally formed, or can be manufactured separately and connected into a whole by welding, bonding, etc. The specific selection can be made according to actual conditions, and the utility model does not make specific restrictions on this.

[0112] Fig.13 A schematic diagram of a partial structure of a diffusion plate provided in an embodiment of the utility model; Fig.14 A schematic cross-sectional structure diagram of the assembly of the first support portion and the diffuser plate provided in an embodiment of the utility model.

[0113] In some embodiments, Figure 6 and Fig.13 As shown, the diffuser plate 2 has a plurality of fixing holes 201 for the plurality of elastic columns 12 in the first support portion 102 to pass through. After the elastic columns 12 pass through the fixing holes 201, the first fixing portion 1022 is embedded in the fixing holes 201, and the first fixing portion can be fixed together with the diffuser plate.

[0114] For example, Fig.14 As shown, the fixing hole 201 can be disc-shaped, so that it can be interlocked with the disc-shaped first fixing portion 1022, that is, the disc-shaped first fixing portion 1022 can be just embedded in the disc-shaped fixing hole 201 on the diffuser plate 2, and the first fixing portion 1022 cannot pass through the fixing hole 201.

[0115] Of course, the fixing hole 201 may also be in other shapes, as long as the fixing hole 201 and the first fixing portion 1022 are interlocked with each other and the first fixing portion 1022 cannot pass through the fixing hole 201 .

[0116] In some embodiments, the material of the first support portion is the same as that of the diffuser plate, that is, by setting the material of the first support portion to be the same as that of the diffuser plate, the influence on the subjective effect of the display device can be further avoided.

[0117] Exemplarily, the first support portion and the diffusion plate may both be made of polystyrene PS material, and of course other materials may also be used, which is not limited here.

[0118] In some embodiments, the material of the second support portion is white or transparent, that is, by setting the material of the second support portion to be white or transparent, it is possible to prevent the light emitted by the light source from being blocked or absorbed by the second support portion, thereby improving the light extraction efficiency and further improving the display brightness and display effect of the display device.

[0119] Exemplarily, the second support part may be made of polycarbonate PC material, and of course other materials may also be used, which is not limited here.

[0120] The following is an example of the installation process of the backlight module. First, Figure 2 As shown, a plurality of light bars arranged in parallel and at intervals may be installed on the back plate 3 , wherein the light bars extend along a first direction F1 , and the plurality of light bars are arranged at intervals on the back plate 3 along the first direction F1 or the second direction F2 .

[0121] Secondly, if Figure 2 As shown, a plurality of second support parts 101 of the diffuser bracket 1 are installed on the back plate at intervals, and the second fixing part 1014 in the second support part 101 can be first fixed to the back plate 3 by screws passing through the positioning holes 1012, wherein the elastic member in the second support part 101 extends along the second direction F2. The extension direction of the elastic member in the second support part 101 is perpendicular to the extension direction of the light bar.

[0122] Then, if Figure 5 As shown, the reflective sheet is mounted on the back plate 3 , the first through hole 81 on the reflective sheet exposes the light emitting device 92 on the light bar, and the second through hole 82 on the reflective sheet exposes the elastic member and the second connecting portion in the second supporting portion 101 of the diffuser plate bracket 1 .

[0123] Then, if Figure 7 As shown, the diffuser plate 2 is installed in the installation groove of the back plate 3, wherein the fixing holes on the diffuser plate 2 correspond one by one to the second supporting portions 101 of the plurality of diffuser plate brackets 1 arranged at intervals.

[0124] Afterwards, if Figure 7As shown, multiple elastic columns 12 in the first support part 102 of the diffuser plate bracket 1 are passed through the fixing holes of the diffuser plate 2, the first fixing part 1022 in the first support part 102 is interlocked with the fixing holes on the diffuser plate 2, and the multiple elastic columns 12 of the first support part 102 are inserted into the annular hollow structure of the second support part 101, and the protruding parts of the elastic columns 12 are engaged with the annular raised edges at the openings of the annular hollow structure, that is, the first connecting part 1021 in the first support part 102 is engaged with the second connecting part 1015 in the second support part 101.

[0125] Finally, if Figure 7 As shown, the optical film 4 is adhered and fixed to the diffusion plate 2 by double-sided adhesive.

[0126] In the specific implementation, in the embodiment of the utility model, the display device can be any product or component with a display function, such as a mobile phone, a tablet computer, a television, a monitor, a laptop computer, a digital photo frame, a navigator, etc. Other essential components of the display device should be understood by ordinary technicians in the field, and will not be described here, nor should they be used as limitations of the utility model.

[0127] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0128] Obviously, those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if these modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A display device, characterized in that: include: A display panel, used for displaying images; A backlight module, disposed on the light incident side of the display panel, for providing backlight for the display panel; The backlight module comprises: The back plate has supporting and bearing functions; A diffusion plate, located on a side of the back plate facing the display panel, and used for diffusing incident light; The diffuser plate bracket is located between the back plate and the diffuser plate, and is used to fix and support the diffuser plate; the diffuser plate bracket includes: a first support portion and a second support portion; wherein the first support portion is fixedly connected to the diffuser plate, and the second support portion is fixedly connected to the back plate; the first support portion and the second support portion are connected to each other.

2. The display device according to claim 1, wherein: The first supporting portion includes a first fixing portion and a first connecting portion; the first fixing portion is fixedly connected to the diffusion plate, and the first connecting portion is connected to the first fixing portion; The second supporting portion includes a second fixing portion and a second connecting portion; the second fixing portion is fixedly connected to the back plate, and the second connecting portion is connected to the second fixing portion; The first connection portion and the second connection portion are engaged with each other.

3. The display device according to claim 2, wherein: The first connecting portion comprises: a plurality of elastic columns, one end of each of which is connected to the first fixing portion; the plurality of elastic columns are arranged at intervals around the center of the first fixing portion; A protrusion is provided at one end of the elastic column away from the first fixing portion, and a width of the protrusion is greater than a width of the elastic column.

4. The display device according to claim 3, characterized in that The second connecting portion is an annular hollow structure, and an annular raised edge is arranged in an opening at one end of the annular hollow structure away from the second fixing portion; The plurality of elastic columns of the first supporting part are inserted into the annular hollow structure of the second supporting part, and the protruding parts of the elastic columns are engaged with the annular raised edges at the openings of the annular hollow structure.

5. The display device according to claim 2, wherein: The second fixing portion has at least one positioning hole, and the second fixing portion is fixed to the back plate by a fixing piece passing through the positioning hole.

6. The display device according to claim 2, wherein: The diffusion plate has a plurality of fixing holes, a plurality of elastic columns in the first supporting portion pass through the fixing holes, and the first fixing portion is embedded in the fixing holes.

7. The display device according to claim 2, wherein: The second supporting portion further includes an elastic member, wherein the elastic member is connected to the second fixing portion, and the second connecting portion is fixed to the elastic member.

8. The display device according to claim 7, characterized in that: The backlight module also includes: A light source is located on the back panel; the light source includes a plurality of light emitting devices arranged in an array along a first direction and a second direction; the first direction intersects the second direction; A reflective sheet, located on a side of the light source away from the back plate; the reflective sheet comprises a plurality of first penetration holes and a plurality of second penetration holes; The plurality of first penetration holes correspond to the light emitting devices one by one, and the light emitting devices are exposed from the corresponding first penetration holes; the second penetration holes correspond to the diffuser plate brackets one by one, and the diffuser plate brackets are exposed from the corresponding second penetration holes; Each of the second through holes is located at a center position of four adjacent first through holes arranged along the first direction and the second direction.

9. The display device according to claim 8, wherein: The orthographic projection of the elastic member on the back plate is a rectangle; the second through hole is a rectangle, and the second through hole is used for the elastic member and the second connecting portion fixed on the elastic member to pass through; A long side of the second through hole is parallel to the second direction, and a short side of the second through hole is parallel to the first direction.

10. The display device according to any one of claims 1 to 9, characterized in that: The material of the first supporting portion is the same as that of the diffusion plate; The second supporting portion is made of white material or transparent material.

Images