Display device

CN224745241UActive Publication Date: 2026-09-11GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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Patent Information

Application Number
CN202521996445.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-16
Publication Date
2026-09-11
Estimated Expiration
2035-09-16

AI Technical Summary

Technical Problem

由于常规方案的显示装置控制电路板安装于显示装置内部,导致控制电路板难以维修更换,造成显示装置的维修难度高

Benefits of technology

[0023]This application provides a display device comprising a housing and a rear cover. The housing includes a first base plate and a first side plate. The first base plate has a mounting groove on the side away from the backlight module, in which a control circuit board is disposed. The rear cover is detachably mounted on the side of the first base plate away from the backlight module and covers the mounting groove. Since the control circuit board is located in the mounting groove on the side of the first base plate away from the backlight module, rather than in the space between the rear cover and the back plate, and the rear cover is detachably connected to the first base plate, the control circuit board can be repaired or replaced simply by removing the rear cover, thereby reducing the difficulty of repairing the display device.

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Abstract

This application discloses a display device, including a housing, a backlight module, a display panel, a control circuit board, and a rear cover. The housing includes a first base plate and a first side plate, the first side plate being connected to the first base plate and forming a first receiving cavity. The backlight module is disposed within the first receiving cavity. The display panel is disposed on the side of the backlight module away from the first base plate. The control circuit board is disposed on the side of the first base plate away from the backlight module, wherein the side of the first base plate away from the backlight module has a mounting groove, and the control circuit board is disposed within the mounting groove. The rear cover is detachably mounted on the side of the first base plate away from the backlight module, and the rear cover covers the mounting groove. This application can improve the problem of high maintenance difficulty of display devices.
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Description

Technical Field

[0001] This application relates to the field of display technology, and more specifically to a display device. Background Technology

[0002] The display device includes a housing, a backlight module, a liquid crystal display panel, a control circuit board, and a front frame. The backlight module is housed within the housing, the liquid crystal display panel is bonded and fixed to the backlight module, the control circuit board is fixedly mounted on the back panel of the backlight module, and the front frame is used to fix the liquid crystal display panel. Because the control circuit board in conventional display devices is installed inside the device, it is difficult to repair and replace, resulting in high maintenance difficulty for the display device. Utility Model Content

[0003] Embodiments of this application provide a display device to improve the problem of high maintenance difficulty of display devices.

[0004] Embodiments of this application provide a display device, including:

[0005] The outer casing includes a first base plate and a first side plate, the first side plate being connected to the first base plate and forming a first receiving cavity;

[0006] A backlight module, wherein the backlight module is disposed within the first receiving cavity;

[0007] The display panel is located on the side of the backlight module away from the first base plate;

[0008] A control circuit board is disposed on the side of the first base plate away from the backlight module, wherein the side of the first base plate away from the backlight module is provided with a mounting groove, and the control circuit board is disposed in the mounting groove;

[0009] A rear cover plate, which is detachably mounted on the side of the first base plate away from the backlight module, and which covers the mounting groove.

[0010] Furthermore, the display device also includes a first magnetic component and a second magnetic component. The first magnetic component is disposed in the mounting groove, and the second magnetic component is disposed on a surface of the rear cover plate near the backlight module. The first magnetic component and the second magnetic component are magnetically connected.

[0011] Furthermore, the backlight module includes a back plate, a frame, and a third magnetic component. The frame is connected to the back plate, and the third magnetic component is located on the side of the frame near the display panel.

[0012] The display panel includes a display substrate and a fourth magnetic component. The fourth magnetic component is disposed on the side of the display substrate near the backlight module, and the fourth magnetic component is magnetically connected to the third magnetic component.

[0013] Furthermore, the back plate includes a second bottom plate and a second side plate, the second side plate and the second bottom plate are connected to form a second receiving cavity, wherein the adhesive frame is disposed in the second receiving cavity, and the surface of the adhesive frame away from the first bottom plate is not higher than the surface of the first side plate away from the first bottom plate.

[0014] Furthermore, the frame includes a third side plate and a top plate connected to the third side plate. The third side plate is connected to the second side plate. A groove is provided on one surface of the top plate near the display panel, and the third magnetic component is disposed in the groove.

[0015] Furthermore, the second side plate is provided with a first hook, and the third side plate is provided with a first slot, wherein the first hook is engaged with the first slot.

[0016] Furthermore, the second side plate is provided with a second hook, and the first side plate is provided with a second slot, and the second hook is connected to the second slot in a snap-fit ​​manner.

[0017] Furthermore, the frame also includes a fourth side plate, which is connected to the top plate and is located on the side of the third side plate away from the second side plate.

[0018] The display device also includes a light strip, which is fixed to the fourth side plate.

[0019] Furthermore, the display device includes a display section and a side frame section disposed around a portion of the display section. From a top view of the display device, a portion of the display panel located on the side frame section overlaps with a portion of the first side panel.

[0020] Furthermore, the display device also includes a lower bezel portion, which is located on one side of the display portion;

[0021] The display device further includes an upper polarizer and a decorative strip. The upper polarizer is disposed on a surface of the display panel away from the backlight module. The decorative strip is located on the lower frame portion. The decorative strip and the upper polarizer are arranged side by side, and the surface of the decorative strip away from the backlight module is flush with the surface of the upper polarizer away from the backlight module.

[0022] The beneficial effects of this application are:

[0023] This application provides a display device comprising a housing and a rear cover. The housing includes a first base plate and a first side plate. The first base plate has a mounting groove on the side away from the backlight module, in which a control circuit board is disposed. The rear cover is detachably mounted on the side of the first base plate away from the backlight module and covers the mounting groove. Since the control circuit board is located in the mounting groove on the side of the first base plate away from the backlight module, rather than in the space between the rear cover and the back plate, and the rear cover is detachably connected to the first base plate, the control circuit board can be repaired or replaced simply by removing the rear cover, thereby reducing the difficulty of repairing the display device. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of a conventional display device.

[0025] Figure 2 This is a top view of the display device of this application;

[0026] Figure 3 yes Figure 1 The cross-sectional view of the display device at BB′ shown;

[0027] Figure 4 yes Figure 1 The cross-sectional view of the display device at CC′ shown;

[0028] Figure 5 yes Figure 1 The cross-sectional view of the display device at DD′ shown;

[0029] Figure 6 This is a schematic diagram of the structure of a portion of the frame of the backlight module of the display device of this application;

[0030] Figure 7 This is a schematic diagram of the display device of this application without a cover plate;

[0031] Figure 8 This is a schematic diagram of the cover plate of the display device of this application.

[0032] Explanation of reference numerals in the attached figures:

[0033] 10-Display device; 100-Housing, 110-First base plate, 111-Mounting slot, 120-First side plate, 121-Second slot, 130-First receiving cavity; 200-Backlight module, 210-Back plate, 211-Second base plate, 212-Second side plate, 2121-First hook, 2122-Second hook, 213-Second receiving cavity, 220-Frame, 221-Third side plate, 2211-First slot, 222-Top 2221 - Slotted panel; 223 - Fourth side panel; 230 - Third magnetic component; 240 - Lamp strip; 300 - Display panel; 310 - Display substrate; 311 - Array substrate; 312 - Opposing substrate; 320 - Fourth magnetic component; 400 - Control circuit board; 500 - Back cover; 600 - First magnetic component; 700 - Second magnetic component; 800 - Upper polarizer; 900 - Decorative strip; 1000 - Support component; 1100 - Crystal-coated film.

[0034] AA - Display section, NA1 - Side bezel section, NA2 - Bottom bezel section.

[0035] 101 - Housing; 102 - Backlight module; 103 - LCD display panel; 104 - Control circuit board; 150 - Front frame. Detailed Implementation

[0036] The technical solutions in the embodiments of this application will now be described with reference to the accompanying drawings. The technical solutions described below are for illustrative purposes only and should not be construed as limiting the scope of protection of this application.

[0037] Furthermore, the terms "first," "second," and similar words do not indicate any order, quantity, or importance, but are merely used to distinguish different technical features. The terms "multiple" and similar words indicate two or more unless otherwise expressly specified.

[0038] Embodiments of this application provide a display device 10, with reference to... Figure 2 , Figure 3 It includes a housing 100, a backlight module 200, a display panel 300, a control circuit board 400, and a rear cover 500.

[0039] Specifically, the outer casing 100 includes a first base plate 110 and a first side plate 120, the first side plate 120 being connected to the first base plate 110 and forming a first receiving cavity 130; the backlight module 200 is disposed within the first receiving cavity 130; the display panel 300 is disposed on the side of the backlight module 200 away from the first base plate 110; the control circuit board 400 is disposed on the side of the first base plate 110 away from the backlight module 200, wherein the side of the first base plate 110 away from the backlight module 200 is provided with a mounting groove 111, and the control circuit board 400 is disposed within the mounting groove 111; the rear cover plate 500 is detachably mounted on the side of the first base plate 110 away from the backlight module 200, and the rear cover plate 500 covers the mounting groove 111.

[0040] refer to Figure 1 The display device includes a housing 101, a backlight module 102, a liquid crystal display panel 103, a control circuit board 104, and a front frame 105. The backlight module 102 is disposed within the receiving space of the housing 101. The liquid crystal display panel 103 is bonded and fixed to the backlight module 102. The control circuit board 104 is fixedly mounted on the back plate of the backlight module 102. The front frame 105 is used to fix the liquid crystal display panel 103. Because the control circuit board 104 of a conventional display device is installed inside the display device, the control circuit board 104 is difficult to repair and replace, resulting in high maintenance difficulty for the display device. Therefore, the technical solution of this application provides a display device. By setting the display device to include a housing 100 and a rear cover plate 500, the housing 100 includes a first base plate 110 and a first side plate 120. The first base plate 110 has a mounting groove 111 on the side away from the backlight module 200, and the control circuit board 400 is disposed in the mounting groove 111. The rear cover plate 500 is detachably installed on the side of the first base plate 110 away from the backlight module 200, and the rear cover plate 500 covers the mounting groove 111. Since the control circuit board 400 is located in the mounting groove 111 on the side of the first base plate 110 away from the backlight module 200, rather than in the space between the rear cover and the back plate 210, and the rear cover plate 500 is detachably connected to the first base plate 110, when repairing or replacing the control circuit board 400, the control circuit board 400 can be repaired or replaced by removing the rear cover plate 500, thereby reducing the repair difficulty of the display device.

[0041] In this embodiment, the display panel 300 is a liquid crystal display panel 300.

[0042] In this embodiment, reference Figure 7 , Figure 8The display device further includes a first magnetic component 600 and a second magnetic component 700. The first magnetic component 600 is disposed within the mounting groove 111, and the second magnetic component 700 is disposed on a surface of the rear cover plate 500 near the backlight module 200. The first magnetic component 600 and the second magnetic component 700 are magnetically connected. By including the first magnetic component 600 and the second magnetic component 700 in the display device, the rear cover plate 500 is fixed to the first base plate 110 by magnetic connection. When repairing or replacing the control circuit board 400, the rear cover plate 500 can be quickly separated from the outer casing 100, reducing the difficulty of disassembling the display device and thus simplifying the repair and replacement of the control circuit board 400.

[0043] In this embodiment, the first magnetic element 600 and the second magnetic element 700 are opposite magnetic poles. In other embodiments, one of the first magnetic element 600 and the second magnetic element 700 may be a magnet, and the other of the first magnetic element 600 and the second magnetic element 700 may be a magnetic metal.

[0044] In this embodiment, the first magnetic element 600 is elongated, and the second magnetic element 700 is elongated.

[0045] In this embodiment, the rear cover plate 500 is fixed to the first base plate 110 by means of screws.

[0046] In this embodiment, the rear cover plate 500 is fixed to the first base plate 110 by means of a snap-fit ​​connection.

[0047] In this embodiment, reference Figure 3The backlight module 200 includes a back plate 210, a frame 220, and a third magnetic component 230. The frame 220 is connected to the back plate 210, and the third magnetic component 230 is disposed on the side of the frame 220 near the display panel 300. The display panel 300 includes a display substrate 310 and a fourth magnetic component 320. The fourth magnetic component 320 is disposed on the side of the display substrate 310 near the backlight module 200, and the fourth magnetic component 320 is magnetically connected to the third magnetic component 230. By configuring the backlight module 200 to include a back plate 210, a frame 220, and a third magnetic component 230, the frame 220 is connected to the back plate 210, and the third magnetic component 230 is located on the side of the frame 220 near the display panel 300. The display panel 300 includes a display substrate 310 and a fourth magnetic component 320, the fourth magnetic component 320 is located on the side of the display substrate 310 near the backlight module 200, and the fourth magnetic component 320 is magnetically connected to the third magnetic component 230. Since the display panel 300 and the backlight module 200 are fixed by magnetic connection, compared with the conventional adhesive fixing method, the display panel 300 can be quickly separated from the frame 220 of the backlight module 200 when disassembling the display panel 300, thereby reducing the difficulty of repairing and replacing the display panel 300 of the display device.

[0048] In this embodiment, the third magnetic element 230 and the fourth magnetic element 320 are opposite magnetic poles. In other embodiments, one of the third magnetic element 230 and the fourth magnetic element 320 may be a magnet, and the other of the third magnetic element 230 and the fourth magnetic element 320 may be a magnetic metal.

[0049] In this embodiment, the third magnetic element 230 is elongated, and the fourth magnetic element 320 is elongated.

[0050] In this embodiment, reference Figure 3The back plate 210 includes a second bottom plate 211 and a second side plate 212. The second side plate 212 and the second bottom plate 211 are connected to form a second receiving cavity 213. The frame 220 is disposed in the second receiving cavity 213, and the surface of the frame 220 away from the first bottom plate 110 is not higher than the surface of the first side plate 120 away from the first bottom plate 110. Since the conventional solution involves mounting the frame 220 on the side plate of the back panel 210, with the top plate 222 of the frame 220 located on the side plate of the back panel 210 away from the bottom plate, this increases the thickness of the display device. Therefore, the display device provided in this application includes a second bottom plate 211 and a second side plate 212 on the back panel 210. The second side plate 212 and the second bottom plate 211 are connected to form a second receiving cavity 213. The frame 220 is located within the second receiving cavity 213, and the surface of the frame 220 away from the first bottom plate 110 is not higher than the surface of the first side plate 120 away from the first bottom plate 110. In other words, the frame 220 is completely inside the second receiving cavity 213, occupying only the space of the second receiving cavity 213. Compared with the conventional solution, this does not increase the thickness of the display device, thus facilitating the thinning of the display device.

[0051] In this embodiment, reference Figure 3 , Figure 6 The frame 220 includes a third side plate 221 and a top plate 222 connected to the third side plate 221. The third side plate 221 is connected to the second side plate 212. A slot 2221 is provided on one surface of the top plate 222 near the display panel 300, and the third magnetic element 230 is disposed in the slot 2221. By setting the frame 220 to include a third side plate 221 and a top plate 222 connected to the third side plate 221, with the third side plate 221 connected to the second side plate 212 and the top plate 222 having a slot 2221 on one surface near the display panel 300, and the third magnetic element 230 disposed in the slot 2221, the thickness of the display device will not increase due to the placement of the third magnetic element 230, compared to conventional solutions, thus making it more conducive to achieving a thinner and lighter display device.

[0052] In this embodiment, reference Figure 4 The second side plate 212 is provided with a first hook 2121, and the third side plate 221 is provided with a first slot 2211. The first hook 2121 is snapped into the first slot 2211. By providing the first hook 2121 on the second side plate 212 and the first slot 2211 on the third side plate 221, the first hook 2121 is snapped into the first slot 2211.

[0053] In this embodiment, reference Figure 5 The second side plate 212 is provided with a second hook 2122, and the first side plate 120 is provided with a second slot 121. The second hook 2122 is snapped into the second slot 121.

[0054] In this embodiment, reference Figure 3 The frame 220 further includes a fourth side plate 223, which is connected to the top plate 222. The fourth side plate 223 is located on the side of the third side plate 221 away from the second side plate 212. The display device further includes a light strip 240, which is fixed to the fourth side plate 223.

[0055] In this embodiment, reference Figure 4 , Figure 5 The display device includes a display unit AA and a side bezel NA1 surrounding a portion of the display unit AA. From a top-view perspective, a portion of the display panel 300 located on the side bezel NA1 overlaps with a portion of the first side panel 120. By including the display unit AA and the side bezel NA1 surrounding a portion of the display unit AA, and ensuring that a portion of the display panel 300 located on the side bezel NA1 overlaps with a portion of the first side panel 120 from a top-view perspective, the width of the side bezel of the display device can be reduced, thereby achieving an extremely narrow bezel or a bezel-less display device.

[0056] In this embodiment, the side frame portion NA1 is the top frame portion, the left frame portion, or the right frame portion.

[0057] In this embodiment, reference Figure 3 The display device further includes a lower bezel portion NA2, which is located on one side of the display portion AA; the display device further includes an upper polarizer 800 and a decorative strip 900, the upper polarizer 800 is disposed on a surface of the display panel 300 away from the backlight module 200, the decorative strip 900 is located on the lower bezel portion NA2, the decorative strip 900 is arranged side by side with the upper polarizer 800, and the surface of the decorative strip 900 away from the backlight module 200 is flush with the surface of the upper polarizer 800 away from the backlight module 200. By arranging the decorative strip 900 and the upper polarizer 800 side by side, and with the surface of the decorative strip 900 away from the backlight module 200 flush with the surface of the upper polarizer 800 away from the backlight module 200, compared to the conventional solution of pressing a part of the front frame onto the upper polarizer 800, the thickness of the display device can be reduced on the one hand, and it is beneficial to achieve the visual effect of a floating screen in the display device on the other hand.

[0058] In this embodiment, the decorative strip 900 is connected to the first side panel 120 and the display panel 300.

[0059] In this embodiment, the decorative strip 900 is black.

[0060] In this embodiment, reference Figure 3 The display device further includes a support member 1000, and the display substrate 310 further includes an array substrate 311 and an opposing substrate 312 disposed on the side of the array substrate 311 away from the display panel 300. The array substrate 311 includes a binding portion, and the support member 1000 is fixed to the binding portion and the decorative strip 900.

[0061] In this embodiment, the display device further includes a flip-chip film 1100, and the control circuit board 400 is electrically connected to the bonding portion of the array substrate 311 through the flip-chip film 1100.

[0062] In this embodiment, the edge of the first base plate is provided with an opening, one end of the flip-chip film 1100 is electrically connected to the bonding portion of the array substrate 311, and the other end of the flip-chip film 1100 passes through the opening and is electrically connected to the control circuit board 400.

[0063] 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: include: The outer casing includes a first base plate and a first side plate, the first side plate being connected to the first base plate and forming a first receiving cavity; A backlight module, wherein the backlight module is disposed within the first receiving cavity; The display panel is located on the side of the backlight module away from the first base plate; A control circuit board is disposed on the side of the first base plate away from the backlight module, wherein the side of the first base plate away from the backlight module is provided with a mounting groove, and the control circuit board is disposed in the mounting groove; A rear cover plate, which is detachably mounted on the side of the first base plate away from the backlight module, and which covers the mounting groove.

2. The display device according to claim 1, wherein The display device further includes a first magnetic component and a second magnetic component. The first magnetic component is disposed in the mounting groove, and the second magnetic component is disposed on a surface of the rear cover plate near the backlight module. The first magnetic component and the second magnetic component are magnetically connected.

3. The display device according to claim 1, characterized in that, The backlight module includes a back plate, a frame, and a third magnetic component. The frame is connected to the back plate, and the third magnetic component is located on the side of the frame near the display panel. The display panel includes a display substrate and a fourth magnetic component. The fourth magnetic component is disposed on the side of the display substrate near the backlight module, and the fourth magnetic component is magnetically connected to the third magnetic component.

4. The display device according to claim 3, wherein The back plate includes a second bottom plate and a second side plate. The second side plate and the second bottom plate are connected to form a second receiving cavity. The adhesive frame is disposed in the second receiving cavity, and the surface of the adhesive frame away from the first bottom plate is not higher than the surface of the first side plate away from the first bottom plate.

5. The display device according to claim 4, characterized in that, The frame includes a third side plate and a top plate connected to the third side plate. The third side plate is connected to the second side plate. A groove is provided on one surface of the top plate near the display panel, and the third magnetic component is disposed in the groove.

6. The display device according to claim 5, wherein The second side plate is provided with a first hook, and the third side plate is provided with a first slot, wherein the first hook is connected to the first slot in a snap-fit ​​manner.

7. The display device according to claim 5, characterized in that, The second side plate is provided with a second hook, and the first side plate is provided with a second slot. The second hook is connected to the second slot by a snap-fit.

8. The display device according to claim 5, wherein The frame also includes a fourth side plate, which is connected to the top plate and is located on the side of the third side plate away from the second side plate. The display device also includes a light strip, which is fixed to the fourth side plate.

9. The display device according to claim 1, wherein The display device includes a display section and a side frame section disposed around a portion of the display section. From a top view of the display device, a portion of the display panel located on the side frame section overlaps with a portion of the first side panel.

10. The display device according to claim 9, wherein The display device further includes a lower bezel portion, which is located on one side of the display portion; The display device further includes an upper polarizer and a decorative strip. The upper polarizer is disposed on a surface of the display panel away from the backlight module. The decorative strip is located on the lower frame portion. The decorative strip and the upper polarizer are arranged side by side, and the surface of the decorative strip away from the backlight module is flush with the surface of the upper polarizer away from the backlight module.