Display device

Abstract

The utility model provides a display device which comprises a back plate, a light bar and a control plate. The back plate is vertically arranged; a boss is formed on the back face of the back plate, and a concave cavity is formed in the front side of the back plate. The back plate is provided with a fixing plate at the concave cavity, and the fixing plate is fixedly connected to the back plate. The control panel is located on the rear side of the back plate, and the front side face of the control panel is attached to the rear end of the boss. And the control panel is fixed or clamped on the boss. The plurality of light bars are arranged in the vertical direction; the light bar is arranged on the front side of the back plate and attached to the front side face of the back plate. The light bar and the fixing plate are connected through the first fastening piece, the fixing points on the back plate are enhanced through the arrangement of the fixing plate, more fixing points are formed on the front side of the back plate, and installation of the light bar on the front side of the back plate is adapted.

Description

Technical Field

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

[0002] Televisions in the prior art are generally LCD televisions, which can be divided into edge-lit and direct-lit types according to the arrangement of the light source. The edge-lit backlight assembly includes a light guide plate and a light source arranged on the side surface of the light guide plate. The light source (light board) is arranged on the back of the liquid crystal panel and fixed on the front side of the back plate, and the light emitted from the light source is directly directed to the liquid crystal panel.

[0003] With the development of display technology, Mini LED display products have become a hot topic. Different from the side-entry backlight solution of the light guide plate used in traditional LCD displays, it uses a large number of Mini LED chips as the backlight source and applies them to the backlight field of the module. It can not only achieve thinning of the backlight, but also realize more refined dynamic control and improve the dynamic contrast of the LCD display.

[0004] Mini LED backlight is a hot topic in current LCD TV applications and is a necessary measure to achieve ultra-thin and multi-zone. Mini LED backlight requires more lamp beads and light strips, which means more fixing points are needed to fix it to the back panel. In the design scheme using the traditional convex hull structure, there is a high probability of interference between the structure of the light strip fixed inside the back panel and the fixing points of the speakers, boards and other electronic devices outside the back panel. Utility Model Content

[0005] The utility model aims to provide a display device, so as to form more fixing points on the front side of the back plate, so as to adapt to the installation of the light bar on the front side of the back plate.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] According to one aspect of the utility model, the utility model provides a display device, including a back panel, a light bar and a control panel; the back panel is arranged vertically; the front side surface of the back panel protrudes backward, and a boss is formed on the back side of the back panel, and a concave cavity is formed on the front side of the back panel; the back panel is provided with a fixing plate at the concave cavity, and the fixing plate is fixedly connected to the back panel; a plurality of light bar are arranged on the front side of the back panel and are attached to the front side surface of the back panel; the light bar and the fixing plate are connected by fasteners; the control panel is located on the rear side of the back panel, and the front side surface of the control panel is attached to the rear end of the boss; the control panel is fixed or clamped on the boss.

[0008] In some embodiments of the present application, the boss includes an extension wall extending backward from the back plate, and a support platform connected to the rear end of the extension wall; the extension wall is arranged circumferentially, and the edge of the support platform is connected to the rear end edge of the extension wall; the fixing plate is formed on the extension wall.

[0009] In some embodiments of the present application, the fixing plate extends vertically, and the fixing plate is formed by bending forward a cut portion of the extension wall, and the cut portion is formed by partially cutting the extension wall.

[0010] In some embodiments of the present application, the front side of the fixing plate is flush with the front side of the back plate so as to be attached to the back side of the light bar.

[0011] In some embodiments of the present application, the size of the cut portion on the extension wall is one quarter of the extension wall.

[0012] In some embodiments of the present application, the boss and the fixing plate are structures integrally formed on the back plate.

[0013] In some embodiments of the present application, a second fixing hole is opened on the fixing plate, and a first fastener passes through the light bar and the second fixing hole; a first fixing hole is opened on the rear side surface of the boss, and the first fixing hole and the control board are connected by a second fastener.

[0014] In some embodiments of the present application, a shading sheet is attached to the front side of the back plate, and the shading sheet covers the cavity.

[0015] In some embodiments of the present application, the bosses and the fixing plates are both provided in plurality; some of the bosses are used to fix the control board; and some of the bosses are used to fix electronic components.

[0016] In some embodiments of the present application, the back plate is further provided with a penetrating connection hole for fixing the light strip.

[0017] It can be seen from the above technical solution that the utility model has at least the following advantages and positive effects:

[0018] In the utility model, a boss is formed on the back side of the back plate, and a cavity is formed on the front side of the back plate; a fixing plate is provided on the back plate at the cavity, and the fixing plate is fixedly connected to the back plate. The control board is located on the back side of the back plate, and the front side of the control board is fitted to the rear end of the boss; the control board is fixed or clamped on the boss. A plurality of light strips are arranged vertically; the light strips are arranged on the front side of the back plate and fit to the front side of the back plate; the light strips and the fixing plate are connected by a first fastener, and the setting of the fixing plate enhances the fixing points on the back plate to form more fixing points on the front side of the back plate, so as to adapt to the installation of the light strips on the front side of the back plate.

[0019] Other features and advantages of the present application will become apparent from the following detailed description, or may be learned in part by the practice of the present application.

[0020] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings herein are incorporated into the specification and constitute a part of the specification, illustrate embodiments consistent with the present disclosure, and together with the specification are used to explain the principles of the present disclosure. Obviously, the accompanying drawings described below are only some embodiments of the present disclosure, and for ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work.

[0022] Figure 1 It is a front schematic diagram of an embodiment of the display device of the utility model.

[0023] Figure 2 It is a cross-sectional schematic diagram of an embodiment of the display device of the utility model.

[0024] Figure 3 It is a structural schematic diagram of the back plate of the utility model.

[0025] Figure 4 It is a cross-sectional schematic diagram of the back plate of the utility model.

[0026] Figure 5 It is a partial structural schematic diagram of the back plate of the utility model.

[0027] Figure 6 This is a first state diagram of the back panel processing of the utility model.

[0028] Figure 7 This is a second state diagram of the back panel processing of the utility model.

[0029] Figure 8 This is a third state diagram of the back panel processing of the utility model.

[0030] Fig. 9 It is a schematic diagram of the matching of the control board of the utility model on the back board.

[0031] Fig.10 yes Fig. 9 Cross-section of the structure shown.

[0032] The reference numerals are as follows: 100, back panel; 110, boss; 111, extension wall; 112, top platform; 113, second fixing hole; 120, fixing plate; 130, first fixing hole; 140, first fastener; 150, connecting hole; 160, second fastener; 200, display panel; 300, control panel; 400, optical film group; 500, light source; 600, rear shell. DETAILED DESCRIPTION

[0033] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be more comprehensive and complete and will fully convey the concept of the example embodiments to those skilled in the art.

[0034] In addition, described feature, structure or characteristic can be combined in one or more embodiments in any suitable manner. In the following description, many specific details are provided to provide a full understanding of the embodiments of the present application. However, those skilled in the art will appreciate that the technical scheme of the present application can be put into practice without one or more of the specific details, or other methods, components, devices, steps, etc. can be adopted. In other cases, known methods, devices, realizations or operations are not shown or described in detail to avoid blurring the various aspects of the application.

[0035] The present application is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the technical features involved in the various embodiments of the present application described below can be combined with each other as long as they do not conflict with each other. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be understood as limiting the present application.

[0036] Figure 1 It is a front schematic diagram of an embodiment of the display device of the utility model. Figure 2 It is a cross-sectional schematic diagram of an embodiment of the display device of the utility model.

[0037] See also Figure 1 and Figure 2 This embodiment provides a display device, which mainly includes a back plate 100, a display panel 200 installed on the front side of the back plate 100, and a control board 300 arranged on the back side of the back plate 100. The display device is a television or a computer monitor, etc., and the following description takes a television as an example.

[0038] The display panel 200 is arranged on the front side of the back plate 100, and is used to display image information for users to watch. The back plate 100 is the main support of the display device, and the back plate 100 is arranged vertically; the peripheral edge of the back plate 100 is formed with a frame protruding forward; the frame is arranged around the periphery and extends around the edge of the back plate 100. The frame extends forward beyond the front side of the back plate 100, and the frame and the back plate 100 enclose a mounting cavity with an opening on the front side for mounting the light source 500 and the optical film group 400. The display panel 200 is fixed to the front end of the frame.

[0039] The frame may be a middle frame that fixes the peripheral edges of the back plate 100. The middle frame covers the edge of the back plate 100, and the middle frame surrounds the peripheral edges of the back plate 100.

[0040] In some embodiments, the frame and the back panel 100 are formed integrally, and the edge of the back panel 100 extends forward to form the frame, and the frame is arranged around the circumference.

[0041] There is a gap between the front side of the back plate 100 and the rear side of the display panel 200 , in which an optical film group 400 and a light source 500 are arranged. The light emitted by the light source 500 displays image information on the display panel 200 after passing through the optical film group 400 .

[0042] The light source 500, the optical film set 400 and the display panel 200 are arranged in sequence from the back to the front. The light emitted by the light source 500 passes through the optical film set 400 and is projected onto the display panel 200. After being acted upon by the display panel 200, image information is displayed on the display panel 200.

[0043] The light source 500 is used to emit light. The light source 500 and the optical film group 400 are arranged in parallel. The light source 500 is located on the light incident side behind the optical film group 400 so as to emit light toward the optical film group 400. The optical film group 400 is located in front of the light source 500 so that after the light passes through the optical film group 400, a uniform white light can be obtained on the light exit side in front of the optical film group 400.

[0044] In this embodiment, the light source 500 is a structure formed by a plurality of light strips, and the plurality of light strips are disposed on the front side of the back plate 100 and adhered to the front side surface of the back plate 100 .

[0045] The optical film set 400 is arranged in front of the light source 500 and is spaced apart from the light source 500 to improve the uniformity of the light source 500 and enhance the brightness of the light source 500. The optical film set 400 includes a diffuser plate and a plurality of films arranged in sequence. The plurality of films include a brightness enhancement film and a plurality of prism films, or the plurality of films include a plurality of prism films.

[0046] The display panel 200 is a liquid crystal panel. The display panel 200 is located in front of the optical film group 400. The light in the optical film group 400 is transmitted forward to the display panel 200. The liquid crystal molecules in the display panel 200 are deflected by the electric field stimulation, thereby reducing the transmission rate of the light emitted from the optical film group 400 to the liquid crystal panel, and then projecting the light into filters of different colors to form an image.

[0047] A rear shell 600 is disposed on the back of the back plate 100, and a chamber is formed between the front side of the rear shell 600 and the back of the back plate 100. The chamber contains electronic components such as a control board 300 and a power board (not shown in the figure). The electronic components such as the control board 300 and the power board are located within the enclosure of the rear shell 600, so that the components inside the rear shell 600 are protected by the rear shell 600.

[0048] The control panel 300 is mainly used to calculate the control system of the display device and output relevant operation instructions accordingly. The control panel 300 has a large number of electronic components, which mainly transmit the operation instructions output by the control panel 300 to the corresponding operation terminals.

[0049] The power board is separately arranged or integrated on the control board 300 and fixed on the back of the back plate 100. It is mainly used to provide a driving voltage or a stable working voltage to the control board 300 and keep the output current stable when the circuit on the control board 300 is working.

[0050] The electronic components may also include speakers and sockets. The speaker is disposed on the back of the back panel 100, and is mainly used to produce corresponding sounds in coordination with the interface displayed by the display panel 200. The socket is provided with a plurality of different types of interfaces for connecting external devices. To receive signals from external devices or output signals to external devices. In some embodiments, the socket is integrated on the control board 300. The electronic components may include structures such as a remote control module or a voice module.

[0051] A base can also be provided below the back plate 100, the upper end of the base being fixed on the back plate 100 or the rear shell 600, and the lower end of the base extending downward beyond the back plate 100 and the rear shell 600. The base is used to be supported on the ground or a desktop to support the display device on the ground or a desktop.

[0052] Figure 3 It is a structural schematic diagram of the back plate 100 of the utility model. Figure 4 It is a cross-sectional schematic diagram of the back plate 100 of the present invention. Figure 5 It is a partial structural schematic diagram of the back plate 100 of the utility model.

[0053] See also Figures 2 to 5 The back plate 100 is a structure made of metal material to ensure the rigidity and structural strength of the back plate 100. The back plate 100 is a structure made of aluminum alloy, steel or iron material.

[0054] The back plate 100 is arranged vertically, the front side of the back plate 100 protrudes backward, and a boss 110 is formed on the back of the back plate 100. The boss 110 is formed on the back plate 100 by stamping, and the boss 110 is a structure integrally formed on the back plate 100.

[0055] The back plate 100 is punched backwards and formed on the back plate 100 so that the front edge of the back plate 100 is connected to the back plate 100 .

[0056] In one embodiment, the boss 110 is used to fix the control board 300. In one embodiment, the boss 110 can also be used to fix other electronic components.

[0057] In this embodiment, the boss 110 includes an extension wall 111 extending backward from the back plate 100 and a top platform 112 connected to the rear end of the extension wall 111 ; the extension wall 111 is arranged circumferentially, and the edge of the top platform 112 is connected to the rear end edge of the extension wall 111 .

[0058] The outer periphery of the extension wall 111 is a conical structure, the front edge of the extension wall 111 is connected to the back plate 100, and the rear edge of the extension wall 111 is connected to the abutting platform 112. The rear side surface of the abutting platform 112 is a planar structure.

[0059] A second fixing hole 113 is formed on the rear side of the boss 110 . The second fixing hole 113 is a threaded hole and is formed on the abutting platform 112 .

[0060] In one embodiment, the second fixing hole 113 is directly formed on the top surface. In another embodiment, a flange is formed by stamping on the top surface, and the flange is tapped to form the second fixing hole 113. In some embodiments, a nut is embedded on the top surface to form the second fixing hole 113.

[0061] In this embodiment, the front side of the back plate 100 protrudes backward, and a boss 110 is formed on the back of the back plate 100, and a cavity is formed on the front side of the back plate 100. The back plate 100 is provided with a fixing plate 120 at the cavity, and the fixing plate 120 is fixedly connected to the back plate 100; the rearward projection of the fixing plate 120 falls on the boss 110.

[0062] In the prior art, after the back plate 100 forms the boss 110 for fixing the electronic components, the back plate 100 has no entity at the cavity position, so that the front side of the back plate 100 does not have enough fixing points for fixing the light bar. The fixing plate 120 is arranged at the light bar cavity so that the light bar can be connected through the fixing plate 120, thereby increasing the fixing points on the front side of the back plate 100.

[0063] In one embodiment, the fixing plate 120 is a structure fixed on the back plate 100 by welding or other means.

[0064] The fixing plate extends vertically, and is formed by bending forward a cutting portion of the extending wall, wherein the cutting portion is formed by partially cutting the extending wall.

[0065] In this embodiment, the fixing plate 120 is formed on the extension wall 111. The extension wall 111 is partially cut to form a cutting portion; the cutting portion of the extension wall 111 is bent forward to form the fixing plate 120; the fixing plate 120 extends vertically after being bent.

[0066] The edge of the fixing plate 120 is connected to the edge of the cavity on the back plate 100 , and the fixing plate 120 is integrally formed on the back plate 100 .

[0067] In this embodiment, the front side surface of the fixing plate 120 is flush with the front side surface of the back plate 100 so as to be attached to the back of the light bar, thereby supporting the light bar and effectively preventing the light bar from collapsing and deforming.

[0068] In one embodiment, the front side of the fixing plate 120 is located behind the front side of the back plate 100 , that is, the fixing plate 120 is located in a concave cavity on the back plate 100 .

[0069] In this embodiment, the size of the cut portion on the extension wall 111 is one quarter of the area of ​​the extension wall 111. In some embodiments, the size of the cut portion on the extension wall 111 is larger or smaller than one quarter of the area of ​​the extension wall 111. For example, the size of the cut portion on the extension wall 111 is one half or one third of the area of ​​the extension wall 111.

[0070] In this embodiment, a fixing plate 120 is formed at each boss 110. In one embodiment, a plurality of fixing plates 120 are formed by cutting and bending the boss 110.

[0071] The boss 110 and the fixing plate 120 are both structures formed by stamping and bending. The boss 110 and the fixing plate 120 are structures integrally formed on the back plate 100 .

[0072] A plurality of light bars are disposed on the front side of the back plate 100 and are attached to the front side of the back plate 100. The light bars and the fixing plate 120 are connected by a first fastener 140, which is a bolt or a screw.

[0073] In this embodiment, a first fixing hole 130 is formed on the fixing plate 120 , and the first fastener 140 passes through the light bar and the first fixing hole 130 , so that the light bar is fixed on the fixing plate 120 .

[0074] In one embodiment, the first fixing hole 130 is directly formed on the fixing plate 120. In another embodiment, a flange is formed by stamping on the fixing plate 120, and the flange is tapped to form the first fixing hole 130. In some embodiments, a nut is embedded in the fixing plate 120 to form the first fixing hole 130.

[0075] In one embodiment, a reinforcing rib is disposed on the back side of the fixing plate 120 to increase the structural strength of the fixing plate 120 .

[0076] Figure 6 This is a first state diagram of the back plate 100 of the present invention during processing. Figure 7 This is a second state diagram of the back plate 100 processed according to the present invention. Figure 8 This is a third state diagram of the back plate 100 of the present invention during processing.

[0077] See also Figures 6 to 8 , S10: The front side of the back plate 100 is punched backward to form a boss 110.

[0078] S20 , the upper portion of the peripheral side wall of the boss 110 is cut and bent to form a fixing plate 120 .

[0079] S30 : a first fixing hole 130 is provided on the fixing plate 120 .

[0080] Fig. 9 It is a schematic diagram of the coordination of the control board 300 of the utility model on the back board 100 . Fig.10 yes Fig. 9 Cross-section of the structure shown.

[0081] See also Figures 1 to 10 The control board 300 is located at the rear side of the back plate 100 , and the front side of the control board 300 is attached to the rear end of the boss 110 ; the control board 300 is fixed or engaged on the boss 110 .

[0082] In one embodiment, a buckle is provided at the rear end of the boss 110 , and the control board 300 is buckled onto the boss 110 through the buckle.

[0083] In this embodiment, a second fixing hole 113 is formed on the boss 110 , and the front side of the control board 300 is attached to the boss 110 and connected via a second fastener 160 .

[0084] It should be noted that, in the present application, the second fastener 160 is a bolt, a screw or a rivet.

[0085] In this embodiment, a plurality of bosses 110 and fixing plates 120 are provided; some bosses 110 are used to fix the control board 300; and some bosses 110 are used to fix other electronic components.

[0086] In this embodiment, a shading sheet (not shown in the figure) is attached to the front side of the back plate 100, and the shading sheet covers the concave cavity on the front side of the back plate 100 to prevent the light of the light bar from penetrating backwards.

[0087] In one embodiment, a plurality of concave cavities are provided, and a light shielding sheet is correspondingly provided at each concave cavity. In another embodiment, each light shielding sheet corresponds to one or more concave cavities.

[0088] The back plate 100 is also provided with a through connection hole 150 for fixing the light bar. A plurality of connection holes 150 are arranged on the back plate 100 at intervals.

[0089] In the utility model, a boss 110 is formed on the back of the back plate 100, and a cavity is formed on the front side of the back plate 100; a fixing plate 120 is provided at the cavity of the back plate 100, and the fixing plate 120 is fixedly connected to the back plate 100. The control board 300 is located at the back side of the back plate 100, and the front side of the control board 300 is attached to the rear end of the boss 110; the control board 300 is fixed or clamped on the boss 110. A plurality of light bars are arranged vertically; the light bar is arranged on the front side of the back plate 100 and attached to the front side of the back plate 100; the light bar and the fixing plate 120 are connected by a first fastener 140, and the setting of the fixing plate 120 enhances the fixing points on the back plate 100, so as to form more fixing points on the front side of the back plate 100, so as to adapt to the installation of the light bar on the front side of the back plate 100.

[0090] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0091] In this application, unless otherwise clearly specified and limited, the terms "assembly", "connection" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral body; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances. In the description of this specification, the description of the reference terms "some embodiments", "exemplarily", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of this application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, in the absence of contradiction, technicians in this field can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples.

[0092] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application. Therefore, any changes or modifications made in accordance with the claims and description of the present application should fall within the scope of the patent of this application.

Claims

1. A display device, characterized in that: include: A back plate is arranged in a vertical direction; the front side of the back plate protrudes backward, and a boss is formed on the back side of the back plate, and a concave cavity is formed on the front side of the back plate; the back plate is provided with a fixing plate at the concave cavity, and the fixing plate is fixedly connected to the back plate; A plurality of light bars are arranged on the front side of the back plate and attached to the front side of the back plate; the light bars and the fixing plate are connected by a first fastener; The control panel is located at the rear side of the back panel, and the front side of the control panel is attached to the rear end of the boss; the control panel is fixed or clamped on the boss.

2. The display device according to claim 1, characterized in that The boss includes an extension wall extending backward from the back plate, and a butting platform connected to the rear end of the extension wall; the extension wall is arranged circumferentially, and the edge of the butting platform is connected to the rear end edge of the extension wall; the fixing plate is formed on the extension wall.

3. The display device according to claim 2, characterized in that: The fixing plate extends vertically, and is formed by bending forward a cut portion of the extending wall, wherein the cut portion is formed by partially cutting the extending wall.

4. The display device according to claim 3, characterized in that: The front side surface of the fixing plate is flush with the front side surface of the back plate so as to be attached to the back surface of the light strip.

5. The display device according to claim 3, characterized in that: The size of the cut portion on the extension wall is one quarter of the extension wall.

6. The display device according to claim 3, characterized in that: The boss and the fixing plate are structures integrally formed on the back plate.

7. The display device according to claim 1, characterized in that: A second fixing hole is formed on the fixing plate, and a first fastener passes through the light bar and the second fixing hole; a first fixing hole is formed on the rear side surface of the boss, and the first fixing hole and the control board are connected via a second fastener.

8. The display device according to claim 1, characterized in that: A light shielding sheet is attached to the front side of the back plate, and the light shielding sheet covers the concave cavity.

9. The display device according to claim 1, characterized in that: The bosses and the fixing plates are both provided in plurality; some of the bosses are used to fix the control board; and some of the bosses are used to fix electronic components.

10. The display device according to claim 1, characterized in that: The back plate is also provided with a through connection hole for fixing the light strip.

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