CN216901246U - Display device - Google Patents
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- CN216901246U CN216901246U CN202220565330.5U CN202220565330U CN216901246U CN 216901246 U CN216901246 U CN 216901246U CN 202220565330 U CN202220565330 U CN 202220565330U CN 216901246 U CN216901246 U CN 216901246U
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Abstract
The utility model discloses a display device, comprising: backlight module and display device. The backlight module comprises a back plate, a lamp plate and a diffusion plate bracket. The backplate includes a plurality of first through-holes, and the lamp plate includes a plurality of and first through-hole one-to-one's second through-hole, and the diffuser plate support passes through first through-hole and second through-hole and the backplate riveting. The diffuser plate holder includes: fixed part, supporting part and elastic part. The elastic portion is bent to a side away from the fixing portion when no external force is applied thereto, and is moved closer to the fixing portion when an external force is applied thereto. The diffusion plate support can play the effect of fixed lamp plate from this, can play the effect of supporting the diffusion plate again. When the lamp plate equipment, the diffuser plate support can also play the effect of counterpoint lamp plate, guarantees that the lamp plate can be with backplate seamless contact, is favorable to the heat dissipation. And dismantle the lamp plate more easily and maintain when the lamp plate breaks down. Because the diffusion plate support is directly riveted with the back plate, the fixed depth is increased, and the diffusion plate is not easy to fall off even if the diffusion plate is touched.
Description
Technical Field
The utility model relates to the technical field of display, in particular to a display device.
Background
The liquid crystal display screen has the advantages of low power consumption, small volume, low radiation and the like as the current mainstream display screen. The liquid crystal display panel is a non-self-luminous panel and needs to be matched with a backlight module for use.
As users have higher requirements in terms of image quality, the Mini LED is gradually adopted as a backlight light source for high-end display devices. For cost and production process consideration, the backlight module is designed in a lamp panel mode of an aluminum-based material. When the lamp plate is assembled, if the lamp plate is fixed by screws, hundreds of screws are needed, the lamp plate is limited by the requirement of manufacturability, the lamp plate is pasted on the back plate by using glue or adhesive tape for multiple purposes, and then the diffusion plate support is welded on the lamp plate to support the diffusion plate.
In the assembling process, when one-time assembling is not in place or a single lamp fails, the lamp panel is difficult to maintain and is usually required to be completely disassembled and scrapped. Because the sticky tape can cause the space between lamp plate and backplate, influences the heat dissipation. In addition, the diffuser plate is likely to contact the diffuser plate holder during the assembling process and fall off.
SUMMERY OF THE UTILITY MODEL
In some embodiments of the present invention, a display device includes:
a display panel for image display;
the backlight module is positioned at the light incident side of the display panel;
the backlight module includes:
a back plate including a plurality of first through holes;
the lamp panel is positioned above the backboard; the lamp panel comprises a plurality of second through holes; the positions of the second through holes correspond to the positions of the first through holes, and one first through hole corresponds to one second through hole;
the diffusion plate bracket penetrates through the first through hole and the second through hole and is riveted with the back plate;
wherein, the diffuser plate support includes:
the fixing part is positioned on one side close to the lamp panel and is riveted with the back plate through the first through hole and the second through hole;
the supporting part is positioned on one side of the fixing part, which is far away from the lamp panel, and is connected with the fixing part; the width of one end of the supporting part close to the fixing part is larger than that of the fixing part;
the elastic part is positioned around one end of the supporting part close to the fixing part and is connected with the supporting part; the elastic portion is bent to a side away from the fixed portion when no external force is applied thereto, and the elastic portion approaches the fixed portion when an external force is applied thereto.
The diffuser plate support can play the effect of fixed lamp plate, can play the effect of supporting the diffuser plate again. When the lamp plate equipment, the diffuser plate support can also play the effect of counterpoint lamp plate, guarantees that the lamp plate can be with backplate seamless contact, is favorable to the heat dissipation. And dismantle the lamp plate more easily and maintain when the lamp plate breaks down. Because the diffusion plate support is directly riveted with the back plate, the fixed depth is increased, and the diffusion plate is not easy to fall off even if the diffusion plate is touched.
In some embodiments of the utility model, the fixing part is located at one side close to the lamp panel, and the fixing part passes through the first through hole of the backboard and the second through hole of the lamp panel to be riveted with the backboard. The width of the fixing part is uniform, and the shape of the first through hole of the back plate needs to be matched with that of the fixing part. The aperture size of the first through hole of the back plate may be greater than or equal to the width of the fixing portion. Therefore, the fixing part can smoothly pass through the first through hole before being riveted with the back plate, and can be stably positioned in the first through hole without shaking after being impacted.
In some embodiments of the present invention, the fixing portion and the supporting portion can be made of the same material, and the fixing portion and the supporting portion are an integral structure and can be integrally formed in the manufacturing process.
In some embodiments of the present invention, the width of the side of the supporting portion close to the fixing portion is greater than the width of the side far from the fixing portion, so that the supporting portion forms a tapered shape along the direction far from the fixing portion, and the contact area between the top end of the supporting portion and the diffusion plate is smaller, thereby preventing the contact position from generating a dark shadow.
In some embodiments of the present invention, the width of the end of the supporting portion close to the fixing portion is greater than the width of the fixing portion, so that the end of the supporting portion connected to the fixing portion extends out of an edge with a certain dimension relative to the fixing portion, and thus the edge of the supporting portion close to the end of the fixing portion can be connected to the elastic portion.
In some embodiments of the present invention, the elastic portion may be uniformly connected around an edge of the supporting portion near one end of the fixing portion. The elastic parts are arranged in pairs, at least one pair of elastic parts can be arranged, and the elastic parts arranged in pairs are symmetrically distributed. When a plurality of pairs of elastic parts are arranged, the elastic parts can be distributed in a rotation symmetry mode.
In some embodiments of the present invention, the elastic portion is bent to a side away from the fixing portion when no external force is applied, and has a certain amount of bending deformation, so that the elastic portion has a certain elasticity and can approach the fixing portion when an external force is applied. When the lamp plate is installed, the diffusion plate support plays a role in positioning, and one diffusion plate support corresponds to one second through hole in the lamp plate. On establishing the second through-hole of lamp plate from the supporting part pot head of diffuser plate support to the diffuser plate support that corresponds, during the elastic component of supporting part and fixed part handing-over position, the pore wall of second through-hole can apply the external force of inside shrink to the elastic component to make the elastic component be close to and produce deformation to one side of fixed part, make the lamp plate can slide to the direction of backplate. When the lamp plate removed the surface of backplate, elasticity portion was released, and elasticity portion resumes crooked shape after external force removed, and the one end that elasticity portion is close to the lamp plate supports the surface of lamp plate, plays upper and lower spacing effect to the lamp plate, makes seamless between lamp plate and the backplate, prevents that the lamp plate from sliding from top to bottom. When dismantling the lamp plate, only need apply external force to the elasticity portion, make the elasticity portion produce deformation and paste tight fixed part to lift the lamp plate to the one side of keeping away from the backplate, thereby make the diffuser plate support break away from in the second through-hole of lamp plate, the lamp plate can get rid of.
In some embodiments of the present invention, the back plate is installed from one side of the fixing portion of the diffuser plate holder, and the lamp panel is installed from one side of the supporting portion of the diffuser plate holder, and the maximum width of the supporting portion is greater than the width of the fixing portion, so that the aperture size of the first through hole is smaller than the aperture size of the second through hole.
In some embodiments of the utility model, in order to enable the diffuser plate bracket to smoothly pass through the second through hole of the lamp panel, the aperture size of the second through hole is larger than or equal to the maximum width of the supporting part.
In some embodiments of the utility model, the diffuser plate bracket is disposed between two light sources, or at the geometric center of four light sources, so as to avoid the influence of too large size of the diffuser plate bracket on the light emission of the lamp panel, and in consideration of the limitation of the light source spacing on the lamp panel, the size of the second through hole is not too large, and the maximum width of the support part in the diffuser plate bracket is less than or equal to 1 mm.
In some embodiments of the utility model, after the lamp panel is installed, the elastic part of the diffusion plate support plays a role in limiting the lamp panel up and down, so that the difference between the vertical height of one end of the elastic part close to the lamp panel, which is far away from the surface of one side of the lamp panel facing the backboard, and the thickness of the lamp panel is less than or equal to 0.3 mm. From this can make the bottom of elasticity portion can support the surface of lamp plate, avoid the lamp plate to reciprocate, make seamless between lamp plate and the backplate, be favorable to the heat dissipation of lamp plate.
In some embodiments of the present invention, a half of a difference between the aperture size of the second through hole and the width of the fixing portion is referred to as a reduction amount between the fixing portion and the second through hole, and the reduction amount between the fixing portion and the second through hole needs to be greater than or equal to the thickness of the elastic portion. When the lamp plate is installed and detached, external force is applied to the elastic part to enable the elastic part to be attached to the surface of the fixing part, so that the diffusion plate support can be smoothly penetrated and detached in the second through hole.
In some embodiments of the utility model, after the lamp panel is mounted on the surface of the back plate, when no external force is applied to the elastic parts in order to prevent the lamp panel from coming off the diffuser plate bracket, the distance between the ends, close to the lamp panel, of the two mutually symmetrical elastic parts is greater than or equal to the sum of the aperture size and the reduction amount of the second through hole.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic cross-sectional structure diagram of a display device according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structure view of a backlight module according to an embodiment of the utility model;
FIG. 3 is a schematic structural diagram of a diffuser plate holder according to an embodiment of the present invention;
fig. 4 is a partially enlarged schematic view of a backlight module according to an embodiment of the utility model.
The backlight module comprises a backlight module 100, a display panel 200, a back plate 11, a lamp panel 12, a lamp panel 121, a circuit board 122, a light source 13, a diffusion plate support 131, a fixing portion 132, a supporting portion 133, an elastic portion 14, a diffusion plate 15, an optical membrane, a first through hole K1 and a second through hole K2.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, the present invention is further described with reference to the accompanying drawings and examples. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their repetitive description will be omitted. The words expressing the position and direction described in the present invention are illustrated in the accompanying drawings, but may be changed as required and still be within the scope of the present invention. The drawings of the present invention are for illustrative purposes only and do not represent true scale.
The liquid crystal display device mainly comprises a backlight module and a liquid crystal display panel. The liquid crystal display panel does not emit light, and brightness display needs to be realized by a light source provided by the backlight module.
The display principle of the liquid crystal display device is that liquid crystal is placed between two pieces of conductive glass, and the electric field effect of liquid crystal molecule distortion is caused by the driving of an electric field between two electrodes so as to control the transmission or shielding function of a backlight source, thereby displaying an image. If a color filter is added, a color image can be displayed.
Fig. 1 is a schematic cross-sectional structure diagram of a display device according to an embodiment of the present invention.
As shown in fig. 1, the display device includes: the backlight module 100 is used for providing backlight to the display panel 200, and the display panel 200 is used for displaying images.
The backlight module 100 is generally disposed at the bottom of the display device, and has a shape and size corresponding to those of the display device. When applied to the field of televisions or mobile terminals, the backlight module generally takes a rectangular shape.
The backlight module in the embodiment of the utility model adopts the direct type backlight module, is used for uniformly emitting light rays in the whole light emitting surface, and provides light rays with sufficient brightness and uniform distribution for the display panel, so that the display panel can normally display images.
The display panel 200 is located at the light-emitting side of the backlight module 100, and the shape and size of the display panel 200 are generally matched with those of the backlight module. In general, the display panel 200 may be configured in a rectangular shape including a top side, a bottom side, a left side and a right side, wherein the top side is opposite to the bottom side, the left side is opposite to the right side, the top side is connected to one end of the left side and one side of the right side, and the bottom side is connected to the other end of the left side and the other end of the right side.
The display panel 200 is a transmissive display panel, which can modulate the transmittance of light, but does not emit light by itself. The display panel 200 has a plurality of pixel units arranged in an array, and each pixel unit can independently control the transmittance and color of light incident to the pixel unit from the backlight module 100, so that the light transmitted by all the pixel units forms a displayed image.
As users have higher requirements in terms of image quality, Mini LEDs (Mini LEDs for short) are increasingly used as backlight sources in high-end display devices. For cost and production process consideration, the backlight module is designed in a lamp panel mode of an aluminum-based material. When the lamp plate is assembled, if the lamp plate is fixed by screws, hundreds of screws are needed, the lamp plate is limited by the requirement of manufacturability, the lamp plate is pasted on the back plate by using glue or adhesive tape for multiple purposes, and then the diffusion plate support is welded on the lamp plate to support the diffusion plate.
In the assembling process, when one-time assembling is not in place or a single lamp fails, the lamp panel is difficult to maintain and is usually required to be completely disassembled and scrapped. Because the sticky tape can cause the space between lamp plate and backplate, influences the heat dissipation. In addition, the diffuser plate is likely to contact the diffuser plate holder during the assembling process and fall off. When the lamp plate is not assembled in place at one time or a single lamp breaks down, the lamp plate is difficult to maintain, and all the lamp plates are often required to be disassembled and scrapped.
In view of this, embodiments of the present invention provide a novel diffuser plate bracket, which can play a role in fixing a lamp panel and also play a role in supporting a diffuser plate. When the lamp plate equipment, the lamp plate counterpoints more easily, and makes things convenient for the lamp plate to dismantle the maintenance. In addition, can guarantee that the lamp plate can be with backplate seamless contact, be favorable to the heat dissipation, the diffuser plate touches and is difficult for droing.
Fig. 2 is a schematic cross-sectional structure view of a backlight module according to an embodiment of the utility model.
As shown in fig. 1, the backlight module includes: a back plate 11, a lamp panel 12, a diffuser plate holder 13, a diffuser plate 14, and an optical film 15.
The back plate 11 is located at the bottom of the backlight module and has supporting and bearing functions. The back plate 11 is typically a square structure, the shape of which is adapted to the shape of the display device when applied to a profiled display device. The back panel 11 includes a top side, a bottom side, a left side, and a right side. Wherein the top side is opposite to the ground side, the left side is opposite to the right side, the top side is respectively connected with one end of the left side and one side of the right side, and the ground side is respectively connected with the other end of the left side and the other end of the right side.
The material of the back plate 11 is aluminum, iron, aluminum alloy or iron alloy. The back plate 11 is used for supporting the lamp panel 12 and supporting and fixing edge positions of the diffusion plate 14, the optical film 15 and other components, and the back plate 11 also plays a role in heat dissipation of the lamp panel 12.
In the embodiment of the present invention, the backlight module is a direct type backlight module, and the lamp panel 12 is located on the back panel 11. In general, the lamp panel 12 may be square or rectangular, with a length of 200mm-1200mm and a width of 100mm-600 mm.
According to display device's size can set up a plurality of lamp plates 12, provides backlight jointly through the concatenation mode between lamp plate 12. In order to avoid the optical problem brought by the splicing of the lamp panels 12, the splicing seams between the adjacent lamp panels 12 are as small as possible, and even seamless splicing is realized.
Specifically, lamp panel 12 includes: a circuit board 121 and a light source 122.
The circuit board 121 is located on the back plate 11, and the shape of the circuit board 121 is the same as the overall shape of the lamp panel 12. In general, the circuit board 121 has a plate shape, and has a rectangular or square shape as a whole. The length of the circuit board 121 is 200mm-1200mm, and the width is 100mm-600 mm.
The Circuit Board 121 may be a Printed Circuit Board (PCB). The circuit board 121 may be a single-layer board, a double-layer board or a multi-layer board according to actual needs, and is not limited herein.
In the embodiment of the present invention, the light source 122 may employ an LED or a Mini LED, which is different from a common light emitting diode, and specifically refers to a micro light emitting diode chip. Because the Mini LED has a small size, the dynamic light emission of the backlight module is favorably controlled to be smaller in subareas, and the dynamic contrast of the picture is improved. In an embodiment of the utility model, the single side size of a single Mini LED is less than 500 μm.
In practical applications, light panel 12 may include only one color light source 122, and may also include multiple colors light sources 122, which is not limited herein.
The diffuser plate 14 is located the light-emitting side of the lamp panel 12, and has a certain distance with the lamp panel 12. The distance is set to allow sufficient light mixing between light sources 122 on lamp panel 12. The diffuser plate 14 functions to diffuse incident light, so that the light passing through the diffuser plate 14 is more uniform.
The diffusion plate 14 is provided with scattering particle materials, and light incident to the scattering particle materials can be refracted and reflected continuously, so that the effect of scattering the light is achieved, and the effect of light homogenization is achieved. The thickness of the diffusion plate 14 is usually set to 0.5mm to 3mm, and the greater the thickness of the diffusion plate 14, the greater the haze, and the better the uniformity effect.
The diffuser plate 14 can be processed by an extrusion process, and the material of the diffuser plate 14 is generally at least one selected from the group consisting of PMMA, PC, PS, and PP.
In the embodiment of the present invention, the lamp panel 12 may be used to emit blue light. At this time, the diffusion plate 14 may be a quantum dot diffusion plate for realizing color conversion and diffusion functions.
The optical film 15 is located on a side of the diffuser plate 14 facing away from the lamp panel 12. The optical film 15 is sized to fit the display device, is slightly smaller than the display device, and is generally rectangular or square.
In a specific implementation, the optical film 15 includes one or a combination of several of a fluorescent film, a quantum dot film, a prism sheet, a brightness enhancement film, and the like, and is disposed according to specific needs, which is not limited herein.
As shown in fig. 2, in the embodiment of the present invention, the back panel 11 includes a plurality of first through holes K1, and the lamp panel 12 includes a plurality of second through holes K2; the second through holes K2 correspond to the positions of the first through holes K1, and one first through hole K1 corresponds to one second through hole K2. The diffusion plate holder 13 is riveted to the back plate 11 through the first through hole K1 and the second through hole K2.
In assembling the diffuser plate holder 13, the diffuser plate holder 13 may be riveted to the backplate 11 by passing one side of the diffuser plate holder through the first through hole K1 of the backplate 11 and striking the diffuser plate holder 13 at the bottom surface side of the backplate 11.
Fig. 3 is a schematic structural view of a diffuser plate holder according to an embodiment of the present invention, and fig. 4 is a partially enlarged schematic view of a backlight module according to an embodiment of the present invention.
As shown in fig. 3 and 4, in the embodiment of the present invention, the diffuser plate holder includes: a fixing portion 131, a supporting portion 132, and an elastic portion 133.
Fixing portion 131 is located the one side that is close to lamp plate 12, and fixing portion 131 passes the first through-hole K1 of backplate and the second through-hole K2 of lamp plate and is riveted with backplate 11. The fixing portion 131 plays a role of fixing, and is riveted with the back plate 11 to ensure that a very stable connection relationship is formed between the fixing portion and the back plate.
As shown in fig. 3, the fixing portion 131 has a uniform width, and is generally a cylindrical structure, such as a cylinder or a prism, which is not limited herein. The shape of first through-hole K1 of backplate 11 and lamp plate 12 second through-hole K2 need match each other with the shape of fixed part 131, just so can be with fixed part 131 and backplate 11 riveting.
In addition, the aperture size of the first through hole K1 of the back plate 11 and the width of the fixing portion 131 need to satisfy the condition that the fixing portion 131 can be riveted to the first through hole K1 of the back plate 11, and it is ensured that the fixing portion 131 is not shaken after being riveted to the back plate.
In a specific implementation, as shown in fig. 4, the aperture size of the first through hole K1 may be greater than or equal to the width P of the fixing portion 131. Preferably, the aperture size of the first through hole K1 is slightly larger than the width of the fixing portion 131, so that the fixing portion 131 can smoothly pass through the first through hole K1 before being riveted with the back plate 11, and can be stably located in the first through hole K1 without shaking after being impacted.
Supporting part 132 is located the one side that fixed part 131 deviates from lamp plate 12, and supporting part 132 is connected with fixed part 131. In the embodiment of the present invention, the fixing portion 131 and the supporting portion 132 may be made of the same material, for example, a transparent PC material, and the fixing portion 131 and the supporting portion 132 are an integral structure and may be integrally formed in the manufacturing process.
The width of the supporting portion 132 on the side close to the fixing portion 131 is greater than the width on the side far from the fixing portion 131, so that the supporting portion 132 is formed into a tapered shape along the direction far from the fixing portion 131, the contact area between the top end of the supporting portion 132 and the diffusion plate 14 is small, and the contact position is prevented from generating a dark shadow. In a specific implementation, the supporting portion 132 may have a conical or pyramidal structure, which is not limited herein.
As shown in fig. 3 and 4, the width of one end of the supporting portion 132 close to the fixing portion 131 is greater than the width of the fixing portion 131, so that the end of the supporting portion 132 connected to the fixing portion 131 extends out of the edge of the fixing portion 131 by a certain dimension, thereby connecting the elastic portion 133 to the edge of the supporting portion 132 close to the end of the fixing portion 131.
In a specific implementation, the elastic portion 133 may be uniformly connected around an edge of the supporting portion 132 near one end of the fixing portion 131. The elastic parts 133 are arranged in pairs, in the embodiment of the present invention, at least one pair of elastic parts 133 may be arranged, and the elastic parts 133 arranged in pairs are symmetrically distributed. When a plurality of pairs of elastic portions 133 are provided, they may be distributed in a rotationally symmetrical manner.
As shown in fig. 3, the elastic portion 133 is bent to a side away from the fixing portion 131 in an original state when no external force is applied, and has a certain bending deformation amount, so that the elastic portion 133 has certain elasticity and can approach the fixing portion 131 when an external force is applied.
When the lamp panel 12 is installed, the diffuser bracket 13 plays a role of positioning, and one diffuser bracket 13 corresponds to one second through hole K2 on the lamp panel 12. The second through hole K2 of the lamp panel 12 is sleeved on the corresponding diffuser plate holder 13 from one end of the support portion 132 of the diffuser plate holder, and when passing through the elastic portion 133 at the joint position of the support portion 132 and the fixing portion 131, the hole wall of the second through hole K2 applies an external force to the elastic portion 133, which contracts inward, so that the elastic portion 133 approaches to one side of the fixing portion 131 and deforms, and the lamp panel 12 can slide in the direction of the back panel. When lamp plate 12 removed the surface of backplate 11, elasticity portion 133 was released, and elasticity portion 133 resumes crooked shape after external force removed, and elasticity portion 133 is close to the one end of lamp plate and supports the surface of lamp plate 12, plays upper and lower spacing effect to lamp plate 12, makes lamp plate 12 and 11 inseparable laminatings of backplate, prevents that lamp plate 12 from sliding from top to bottom.
When dismantling lamp plate 12, only need exert external force to elastic component 133, for example pinch elastic component 133 to one side of fixed part 131, can make elastic component 133 produce deformation to lift up lamp plate 12 to the one side of keeping away from the backplate, thereby make diffuser plate support 13 break away from in the second through-hole K2 of lamp plate, lamp plate 12 can get rid of.
Therefore, the diffuser plate bracket 13 provided by the embodiment of the utility model can play a role in fixing the lamp panel 12 and a role in supporting the diffuser plate 14. When the lamp plate equipment, diffuser plate support 13 can also play the effect of counterpoint lamp plate 12, guarantees that lamp plate 12 can be with 11 seamless contact of backplate, is favorable to the heat dissipation. And dismantle the lamp plate more easily and maintain when the lamp plate breaks down. Because the diffusion plate bracket 13 is directly riveted with the back plate 11, the fixed depth is increased, and the diffusion plate is not easy to fall off even if the diffusion plate touches.
Considering lamp panel 12 reliability and optical performance, the activity of the assembled lamp panel of lamp panel 12 needs to be controlled. In the embodiment of the present invention, the back plate 11 is installed from the fixing portion 131 side of the diffuser plate holder, the lamp panel 12 is installed from the supporting portion 132 side of the diffuser plate holder, and the maximum width of the supporting portion 132 is greater than the width of the fixing portion 131, so the aperture size of the first through hole K1 is smaller than the aperture size of the second through hole K2.
As shown in fig. 4, in order to make the diffuser plate holder 13 smoothly pass through the second through hole K2 of the lamp panel 12, the aperture size of the second through hole K2 is greater than or equal to the maximum width W of the supporting portion 132.
After the lamp panel 12 is installed, the elastic portion 133 of the diffuser bracket plays a role in limiting the lamp panel 12 up and down, and therefore, the difference between the vertical height H of the end of the elastic portion 133 close to the lamp panel 12 and the surface of the lamp panel 12 facing the back plate 11 and the thickness L of the lamp panel is less than or equal to 0.3 mm. From this can make the bottom of elasticity portion 133 can support the surface of lamp plate 12, avoid lamp plate 12 to reciprocate, make seamless between lamp plate 12 and the backplate 11, be favorable to the heat dissipation of lamp plate.
As shown in fig. 4, when half of the difference between the diameter of the second through hole K2 and the width of the fixing portion 131 is referred to as the reduction amount N between the fixing portion 131 and the second through hole K2, the reduction amount N between the fixing portion 131 and the second through hole K2 needs to be greater than or equal to the thickness M of the elastic portion. Thus, when the lamp panel 12 is mounted and dismounted, an external force is applied to the elastic part 133 to make the elastic part 133 closely attached to the surface of the fixing part 131, so that the diffusion plate bracket 13 can be smoothly inserted into and removed from the second through hole K2.
After the lamp panel 12 is mounted on the surface of the back panel 11, in order to prevent the lamp panel 12 from coming off the diffuser bracket 13, when no external force is applied to the elastic parts 133, the distance between the ends of the two symmetrical elastic parts 133 close to the lamp panel 12 is greater than or equal to the sum of the aperture size of the second through hole K2 and the reduction amount N.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations 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 such modifications and variations.
Claims (10)
1. A display device, comprising:
a display panel for image display;
the backlight module is positioned at the light incident side of the display panel;
the backlight module includes:
a back plate comprising a plurality of first through holes;
the lamp panel is positioned above the backboard; the lamp panel comprises a plurality of second through holes; the second through holes correspond to the first through holes in position, and one first through hole corresponds to one second through hole;
a diffuser plate bracket riveted to the back plate through the first and second through holes;
wherein the diffuser plate holder comprises:
the fixing part is positioned on one side close to the lamp panel, penetrates through the first through hole and the second through hole and is riveted with the back plate;
the supporting part is positioned on one side, away from the lamp panel, of the fixing part and is connected with the fixing part; the width of one end of the supporting part close to the fixing part is larger than that of the fixing part;
the elastic part is positioned on the periphery of one end of the supporting part close to the fixing part and is connected with the supporting part; the elastic portion is bent to a side away from the fixing portion when external force is not applied thereto, and the elastic portion approaches the fixing portion when external force is applied thereto.
2. The display device according to claim 1, wherein the width of the fixing portion is uniform, and an aperture size of the first through hole is greater than or equal to the width of the fixing portion.
3. The display apparatus according to claim 1, wherein a width of the supporting portion on a side close to the fixing portion is larger than a width of the supporting portion on a side away from the fixing portion.
4. The display device according to claim 3, wherein an aperture size of the second through hole is greater than or equal to a maximum width of the support portion.
5. The display device according to claim 4, wherein a maximum width of the support portion is less than or equal to 1 mm.
6. The display apparatus according to claim 1, wherein the diffuser plate holder includes at least one pair of the elastic portions, the elastic portions being arranged two by two symmetrically.
7. The display device of claim 6, wherein a difference between a vertical height of an end of the elastic part close to the lamp panel from a surface of the lamp panel facing the side of the back plate and a thickness of the lamp panel is less than or equal to 0.3 mm.
8. The display device according to claim 6, wherein a reduction amount between the fixing portion and the second through hole is greater than or equal to a thickness of the elastic portion;
wherein the reduction amount between the fixing portion and the second through hole is half of the difference between the aperture size of the second through hole and the width of the fixing portion.
9. The display device according to claim 8, wherein when no external force is applied, a distance between ends, close to the lamp panel, of the two elastic parts which are symmetrical to each other is greater than or equal to a sum of an aperture size of the second through hole and the reduction amount.
10. The display device according to any one of claims 1 to 9, wherein the backlight module further comprises:
the diffusion plate is positioned on the light emitting side of the lamp panel and is away from the lamp panel by a set distance; the diffuser plate holder supporting the diffuser plate;
the optical diaphragm is located the diffuser plate deviates from one side of lamp plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220565330.5U CN216901246U (en) | 2022-03-15 | 2022-03-15 | Display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115167035A (en) * | 2022-09-08 | 2022-10-11 | 惠科股份有限公司 | Backlight module and display device |
| US11871518B1 (en) | 2023-06-19 | 2024-01-09 | HKC Corporation Limited | Backlight module and display device |
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- 2022-03-15 CN CN202220565330.5U patent/CN216901246U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115167035A (en) * | 2022-09-08 | 2022-10-11 | 惠科股份有限公司 | Backlight module and display device |
| US11871518B1 (en) | 2023-06-19 | 2024-01-09 | HKC Corporation Limited | Backlight module and display device |
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