Display device

By using a double-layer backplate structure and an overlapping design of rigid components, the problem of reduced strength caused by slotting in the backlight module was solved, achieving lightweighting and improved reliability of the display device.

CN224287707UActive Publication Date: 2026-05-26GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
Filing Date
2025-06-05
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

The slotting of the backlight module backplate of the display device reduces its strength, making it prone to damage during mechanical performance reliability testing and failing to meet requirements.

Method used

It adopts a double-layer backplate structure, with the second backplate covering the slotted area. Through the overlapping design of rigid components and reflectors, a sliding connection and clamping structure are set up, and stainless steel or magnesium-aluminum alloy materials are used to enhance the structural strength.

Benefits of technology

While reducing the weight of the display device, mechanical performance was improved, the risk of damage was reduced, and reliability was increased.

✦ Generated by Eureka AI based on patent content.

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Abstract

This application discloses a display device comprising a first back plate and a second back plate. The first back plate includes a first base plate with a slot. The second back plate is located on the side of the first back plate away from the display panel and includes a second base plate connected to the first base plate. A portion of the second base plate is located within the slot, and the area of ​​the second base plate within the slot is smaller than the area of ​​the slot. When performing reliability tests on the mechanical properties of the display device, compared to conventional display devices with slots on the back plate, this design reduces the weight of the display device while increasing its strength, thereby improving its reliability and reducing the risk of damage.
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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] To reduce the weight of the display device, the bottom plate of the backlight module of the display component is slotted. However, slotting reduces the strength of the display component and can easily cause damage to the display device during mechanical performance reliability testing, resulting in the mechanical performance of the display device failing to meet requirements. Utility Model Content

[0003] The embodiments of this application provide a display device to improve the reliability of the display device and reduce the risk of damage to the display device.

[0004] Embodiments of this application provide a display device, including a housing and a display assembly. The housing surrounds the outside of the display assembly. The display assembly includes a backlight module and a display panel disposed on one side of the backlight module. The backlight module includes:

[0005] A first back plate, the first back plate including a first bottom plate, the first bottom plate being provided with a groove;

[0006] The second back plate is disposed on the side of the first back plate away from the display panel. The second back plate includes a second bottom plate, and the second bottom plate is connected to the first bottom plate.

[0007] In a top view of the display device, a portion of the second base plate is located within the slot, and the area of ​​the second base plate located within the slot is smaller than the area of ​​the slot.

[0008] Furthermore, the display device also includes a rigid component disposed on the side of the second base plate away from the display panel;

[0009] The backlight module further includes a light guide and a reflector. The light guide is disposed on the first base plate, and the reflector is disposed on a surface of the light guide away from the display panel.

[0010] In the top view of the display device, at least a portion of the rigid component is located within the slot, and the rigid component located within the slot overlaps with a portion of the second base plate and a portion of the reflector.

[0011] Furthermore, the second back plate is slidably connected to the first back plate.

[0012] Furthermore, the first back plate also includes a pair of first sub-parts and a pair of second sub-parts arranged opposite to each other. One end of the first sub-part is connected to the first base plate, and the other end of the first sub-part extends in a direction away from the display panel. One end of the second sub-part is connected to the first sub-part, and the other end of the second sub-part extends in a direction away from the slot. The first base plate, the first sub-part, and the second sub-part together form a first guide groove.

[0013] The second back plate also includes a pair of third sub-parts and a pair of fourth sub-parts arranged opposite to each other. One end of the third sub-part is connected to the second base plate, and the other end of the third sub-part extends toward the side of the display panel. One end of the fourth sub-part is connected to the third sub-part, and the other end of the fourth sub-part extends toward the side of the slot. The second base plate, the third sub-part, and the fourth sub-part together form a second guide groove.

[0014] The second sub-part is embedded in the second guide groove, and the fourth sub-part is embedded in the first guide groove.

[0015] Furthermore, the length of the fourth sub-part is less than the length of the first guide groove.

[0016] Furthermore, the second back plate is clamped and connected to the first back plate.

[0017] Furthermore, the first back plate also includes a pair of fifth sub-parts disposed opposite to each other. One end of the fifth sub-part is connected to the first base plate, and the other end of the fifth sub-part extends in a direction away from the display panel. A slot is provided on the surface of the fifth sub-part away from the slot.

[0018] The second back plate also includes a pair of elastic arms disposed opposite each other, the elastic arms extending toward one side of the display panel, and a protrusion on one surface of the elastic arms near the slot, the protrusion being engaged in the slot.

[0019] Furthermore, the area of ​​the opening on the side of the card slot away from the slot is larger than the area of ​​the opening on the side of the card slot closer to the slot.

[0020] Furthermore, the inner wall of the slot is an arc-shaped concave surface, and the outer wall of the protrusion is an arc-shaped convex surface.

[0021] Furthermore, the material of the second back plate is stainless steel or magnesium-aluminum alloy.

[0022] The beneficial effects of this application are:

[0023] This application provides a display device comprising a first back plate and a second back plate. The first back plate includes a first base plate with a slot. The second back plate is located on the side of the first back plate away from the display panel and includes a second base plate connected to the first base plate. A portion of the second base plate is located within the slot, and the area of ​​the second base plate within the slot is smaller than the area of ​​the slot. When performing mechanical reliability tests on the display device, compared to conventional display devices with slots on the back plate, this design reduces the weight of the display device while increasing its strength, thereby improving its reliability and reducing the risk of damage. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the top view of the display device of this application;

[0025] Figure 2 yes Figure 1 A cross-sectional view of the first structure at position AA′ of the display device shown;

[0026] Figure 3 yes Figure 1 A cross-sectional view of the first structure at position AA′ of the display device shown;

[0027] Figure 4 yes Figure 3 A schematic diagram of the second back panel of the display device shown;

[0028] Figure 5 yes Figure 1 A cross-sectional view of the second structure at the BB′ position of the display device shown;

[0029] Figure 6 yes Figure 1 A cross-sectional view of the second structure at the BB′ position of the display device shown.

[0030] Explanation of reference numerals in the attached figures:

[0031] 10-Housing; 20-Display assembly; 100-Backlight module; 110-First back plate; 111-First base plate; 1111-Slot; 112-First sub-part; 113-Second sub-part; 114-First guide groove; 115-Fifth sub-part; 1151-Card slot; 120-Second back plate; 121-Second base plate; 122-Third sub-part; 123-Fourth sub-part; 124-Second guide groove; 125-Elastic support arm; 1251-Protrusion; 130-Light guide; 140-Reflector; 200-Display panel; 300-Rigid components. Detailed Implementation

[0032] 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.

[0033] 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.

[0034] The first embodiment of this application provides a display device, referencing... Figure 1 , Figure 2 , Figure 5 The display device includes a housing 10 and a display component 20. The housing 10 surrounds the outside of the display component 20. The display component 20 includes a backlight module 100 and a display panel 200 disposed on one side of the backlight module 100.

[0035] Specifically, the backlight module 100 includes a first back plate 110 and a second back plate 120. The first back plate 110 includes a first base plate 111, which has a slot 1111. The second back plate 120 is located on the side of the first back plate 110 away from the display panel 200. The second back plate 120 includes a second base plate 121, which is connected to the first base plate 111. In the top view of the display device, a portion of the second base plate 121 is located within the slot 1111, and the area of ​​the second base plate 121 located within the slot 1111 is smaller than the area of ​​the slot 1111.

[0036] To reduce the weight of display devices, conventional solutions include slots in the bottom plate of the backlight module of the display components. However, slots reduce the strength of the display components and can easily cause damage to the display devices during mechanical performance reliability testing. Therefore, the technical solution of this application sets the display device to include a first back plate 110 and a second back plate 120. The first back plate 110 includes a first base plate 111, and the first base plate 111 has a slot 1111. The second back plate 120 is located on the side of the first back plate 110 away from the display panel 200. The second back plate 120 includes a second base plate 121, and the second base plate 121 is connected to the first base plate 111. A portion of the second base plate 121 is located within the slot 1111, and the area of ​​the second base plate 121 located within the slot 1111 is smaller than the area of ​​the slot 1111. When conducting reliability tests on the mechanical performance of the display device, compared with the conventional solution of setting a slot 1111 on the back plate, it is possible to reduce the weight of the display device while increasing its strength, thereby improving the reliability of the display device and reducing the risk of damage to the display device.

[0037] In this embodiment, reference Figure 3 , Figure 4 The display device further includes a rigid component 300 disposed on the side of the second base plate 121 away from the display panel 200; the backlight module 100 further includes a light guide 130 and a reflector 140, the light guide 130 being disposed on the first base plate 111, and the reflector 140 being disposed on a surface of the light guide 130 away from the display panel 200; wherein, in a top view of the display device, at least a portion of the rigid component 300 is located within the slot 1111, and the rigid component 300 located within the slot 1111 overlaps with a portion of the second base plate 121 and a portion of the reflector 140. By setting at least a portion of the rigid component 300 within the slot 1111, and the rigid component 300 within the slot 1111 overlapping with a portion of the second base plate 121 and a portion of the reflector 140, when the housing 10 deforms due to a reliability test of the mechanical performance of the display device, the second base plate 121 can isolate the reflector 140 from the rigid component 300, preventing the rigid component 300 from colliding with the second base plate 121 and avoiding a collision between the rigid component 300 and the reflector 140, thereby reducing the risk of damage to the reflector 140.

[0038] In this embodiment, a portion of the rigid device 300 is located within the slot 1111, and the rigid device 300 located within the slot 1111 overlaps with a portion of the second base plate 121 and a portion of the reflector 140.

[0039] In this embodiment, reference Figure 3 The rigid device 300 is located within the slot 1111, and the rigid device 300 located within the slot 1111 overlaps with a portion of the second base plate 121 and a portion of the reflector 140.

[0040] In this embodiment, the rigid device 300 includes a drive circuit board or a magnet.

[0041] In this embodiment, the second back plate 120 is slidably connected to the first back plate 110. By setting the second back plate 120 to be slidably connected to the first back plate 110, the position of the second back plate 120 can be adjusted according to the position of the rigid component 300 during the production of the display device, so as to ensure that the second back plate 120 can block the area of ​​the reflector 140 corresponding to the rigid component 300.

[0042] In this embodiment, reference Figure 3 , Figure 4The first back plate 110 further includes a pair of first sub-parts 112 and a pair of second sub-parts 113 arranged opposite to each other. One end of the first sub-part 112 is connected to the first base plate 111, and the other end of the first sub-part 112 extends in a direction away from the display panel 200. One end of the second sub-part 113 is connected to the first sub-part 112, and the other end of the second sub-part 113 extends in a direction away from the slot 1111. The first base plate 111, the first sub-parts 112, and the second sub-parts 113 together form a first guide groove 114. The second back plate 120 further includes a pair of third sub-parts 113 arranged opposite to each other. 22 and a pair of fourth sub-parts 123 disposed opposite to each other, one end of the third sub-part 122 is connected to the second base plate 121, the other end of the third sub-part 122 extends toward the side facing the display panel 200, one end of the fourth sub-part 123 is connected to the third sub-part 122, the other end of the fourth sub-part 123 extends toward the side facing the slot 1111, the second base plate 121, the third sub-part 122 and the fourth sub-part 123 surround to form a second guide groove 124; wherein, the second sub-part 113 is embedded in the second guide groove 124, and the fourth sub-part 123 is embedded in the first guide groove 114. By setting the other end of the second sub-part 113 to extend in a direction away from the slot 1111, the first base plate 111, the first sub-part 112, and the second sub-part 113 together form a first guide groove 114. The other end of the fourth sub-part 123 extends in a direction toward the slot 1111, and the second base plate 121, the third sub-part 122, and the fourth sub-part 123 together form a second guide groove 124. The second sub-part 113 is embedded in the second guide groove 124, and the fourth sub-part 123 is embedded in the first guide groove 114, so that the second sub-part 113, the second guide groove 124, the fourth sub-part 123, and the first guide groove 114 can form a sliding structure, thereby facilitating the adjustment of the relative position between the second back plate 120 and the first back plate 110.

[0043] In this embodiment, reference Figure 3 , Figure 4 The length of the fourth sub-part 123 is less than the length of the first guide groove 114.

[0044] In this embodiment, the second back plate 120 is clamped to the first back plate 110. By clamping the second back plate 120 to the first back plate 110, the position of the second back plate 120 can be installed according to the position of the rigid component 300 during the production of the display device, so as to ensure that the second back plate 120 can block the area of ​​the reflector 140 corresponding to the rigid component 300.

[0045] In this embodiment, reference Figure 5 , Figure 6 The first back plate 110 further includes a pair of fifth sub-parts 115 disposed opposite to each other. One end of the fifth sub-part 115 is connected to the first base plate 111, and the other end of the fifth sub-part 115 extends toward the side away from the display panel 200. A slot 1151 is provided on the surface of the fifth sub-part 115 away from the slot 1111. The second back plate 120 further includes a pair of elastic support arms 125 disposed opposite to each other. The elastic support arms 125 extend toward the side towards the display panel 200. A protrusion 1251 is provided on the surface of the elastic support arm 125 near the slot 1111. The protrusion 1251 is inserted into the slot 1151. The first back plate 110 further includes a pair of opposing fifth sub-parts 115, one end of which is connected to the first base plate 111, and the other end of which extends toward the side away from the display panel 200. A slot 1151 is provided on the surface of the fifth sub-part 115 away from the slot 1111. The second back plate 120 further includes a pair of opposing elastic arms 125, which extend toward the side facing the display panel 200. The elastic arms 125 are located on the surface of the elastic arms near the slot 1111. A protrusion 1251 is provided, which is inserted into the slot 1151. When installing the second back plate 120, it is only necessary to adjust the elastic support arm 125 so that the elastic support arm 125 is slightly deformed and the protrusion 1251 of the elastic support arm 125 enters the slot 1151, so that the second back plate 120 can be clamped and fixed on the first back plate 110. After the protrusion 1251 of the elastic support arm 125 enters the slot 1151, the elastic support arm 125 will return to its original position, so that the elastic support arm 125 can provide a certain amount of clamping force, thereby preventing the position of the second back plate 120 from easily sliding.

[0046] It should be noted that the elastic arm 125 serves as a pre-clamping mechanism, but the clamping force provided by the elastic arm 125 is not sufficient to completely fix the second back plate 120 to the first back plate 110.

[0047] In this embodiment, the slot 1151 is elongated. The elongated slot 1151 allows the second back plate 120 to slide along the length direction X of the slot 1151, thereby facilitating the adjustment of the relative position between the second back plate 120 and the first back plate 110.

[0048] In this embodiment, reference Figure 5 , Figure 6The area of ​​the opening on the side of the slot 1151 away from the slot 1111 is larger than the area of ​​the opening on the side of the slot 1151 closer to the slot 1111. By setting the area of ​​the opening on the side of the slot 1151 away from the slot 1111 to be larger than the area of ​​the opening on the side of the slot 1151 closer to the slot 1111, the protrusion can more easily enter the slot 1151, thereby reducing the difficulty of installing the second back plate 120.

[0049] In this embodiment, the inner wall of the slot 1151 is an arc-shaped concave surface, and the outer wall of the protrusion 1251 is an arc-shaped convex surface. By setting the inner wall of the slot 1151 to be an arc-shaped concave surface and the outer wall of the protrusion 1251 to be an arc-shaped convex surface, the resistance between the wall of the slot 1151 and the outer wall of the protrusion 1251 can be reduced. When the position of the second back plate 120 is slidably adjusted, the protrusion 1251 can move more easily within the slot 1151, thereby reducing the difficulty of adjusting the position of the second back plate 120.

[0050] In this embodiment, the material of the second back plate 120 is stainless steel or magnesium-aluminum alloy.

[0051] 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 in that, The device includes a housing and a display assembly. The housing surrounds the outside of the display assembly. The display assembly includes a backlight module and a display panel disposed on one side of the backlight module. The backlight module includes: A first back plate, the first back plate including a first bottom plate, the first bottom plate being provided with a groove; The second back plate is disposed on the side of the first back plate away from the display panel. The second back plate includes a second bottom plate, and the second bottom plate is connected to the first bottom plate. In a top view of the display device, a portion of the second base plate is located within the slot, and the area of ​​the second base plate located within the slot is smaller than the area of ​​the slot.

2. The display device according to claim 1, characterized in that, The display device also includes rigid components, which are disposed on the side of the second base plate away from the display panel; The backlight module further includes a light guide and a reflector. The light guide is disposed on the first base plate, and the reflector is disposed on a surface of the light guide away from the display panel. In the top view of the display device, at least a portion of the rigid component is located within the slot, and the rigid component located within the slot overlaps with a portion of the second base plate and a portion of the reflector.

3. The display device according to claim 2, characterized in that, The second back plate is slidably connected to the first back plate.

4. The display device according to claim 3, characterized in that, The first back plate also includes a pair of first sub-parts and a pair of second sub-parts arranged opposite to each other. One end of the first sub-part is connected to the first base plate, and the other end of the first sub-part extends in a direction away from the display panel. One end of the second sub-part is connected to the first sub-part, and the other end of the second sub-part extends in a direction away from the slot. The first base plate, the first sub-part, and the second sub-part together form a first guide groove. The second back plate also includes a pair of third sub-parts and a pair of fourth sub-parts arranged opposite to each other. One end of the third sub-part is connected to the second base plate, and the other end of the third sub-part extends toward the side of the display panel. One end of the fourth sub-part is connected to the third sub-part, and the other end of the fourth sub-part extends toward the side of the slot. The second base plate, the third sub-part, and the fourth sub-part together form a second guide groove. The second sub-part is embedded in the second guide groove, and the fourth sub-part is embedded in the first guide groove.

5. The display device according to claim 4, characterized in that, The length of the fourth sub-section is less than the length of the first guide groove.

6. The display device according to claim 2, characterized in that, The second back plate is clamped and connected to the first back plate.

7. The display device according to claim 6, characterized in that, The first back plate also includes a pair of fifth sub-parts disposed opposite to each other. One end of the fifth sub-part is connected to the first base plate, and the other end of the fifth sub-part extends in a direction away from the display panel. A slot is provided on the surface of the fifth sub-part away from the slot. The second back plate also includes a pair of elastic arms disposed opposite each other, the elastic arms extending toward one side of the display panel, and a protrusion on one surface of the elastic arms near the slot, the protrusion being engaged in the slot.

8. The display device according to claim 7, characterized in that, The area of ​​the opening on the side of the card slot away from the slot is larger than the area of ​​the opening on the side of the card slot closer to the slot.

9. The display device according to claim 8, characterized in that, The inner wall of the slot is an arc-shaped concave surface, and the outer wall of the protrusion is an arc-shaped convex surface.

10. The display device according to claim 1, characterized in that, The material of the second back plate is stainless steel or magnesium-aluminum alloy.