CN114624808A - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
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- CN114624808A CN114624808A CN202210260241.4A CN202210260241A CN114624808A CN 114624808 A CN114624808 A CN 114624808A CN 202210260241 A CN202210260241 A CN 202210260241A CN 114624808 A CN114624808 A CN 114624808A
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- frame
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- fixing
- backlight module
- light source
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- 239000012788 optical film Substances 0.000 description 4
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- 229910052782 aluminium Inorganic materials 0.000 description 1
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Images
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/009—Positioning aspects of the light source in the package
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
Abstract
The embodiment of the application provides a backlight module and a display device, wherein the backlight module comprises a frame body, a fixing piece and a backlight assembly; the frame body comprises a bottom frame and a first frame; the fixing piece, the first frame and the bottom frame form an accommodating cavity, and the backlight assembly is arranged in the accommodating cavity; the backlight assembly comprises a light guide plate, a light source and a circuit board, wherein the light guide plate is positioned above the bottom frame, the light source is positioned between the light guide plate and the first frame, the circuit board is positioned between the light source and the fixing piece, the circuit board is electrically connected with the light source, the orthographic projection of the circuit board on the bottom frame at least covers the orthographic projection of the light source on the bottom frame, and a first reflecting layer is arranged on one side, close to the light source, of the circuit board.
Description
Technical Field
The application relates to the technical field of display, in particular to a backlight module and a display device.
Background
At present, notebook computer products are rapidly developed, the notebook computer products with narrow frame and high screen ratio are favored by consumers due to excellent product visual experience, and manufacturers and technical personnel develop the notebook computer products with narrow frame synchronously.
The backlight module of the narrow-frame notebook computer which is widely applied in the current market and has mass production experience generally adopts an inverted structure that the upper part of a bottom frame is bent inwards to form a U shape with the frame of the bottom frame, in the U-shaped structure, a light source is arranged at one side of a flexible circuit board, and a light guide plate is connected with the flexible circuit board through lamp glue and is positioned on a light emitting path of the light source; however, due to the design of the inverted U-shaped structure, devices such as the light bar, the light guide plate, and the reflective sheet need to be installed in the inverted U-shaped structure; meanwhile, the light bar reflector plate needs to be attached to the inside of the inverted-U-shaped structure to improve the light emitting efficiency, so that the light bar reflector plate is inconvenient to detach.
Disclosure of Invention
The embodiment of the application provides a backlight module and a display device, which are used for relieving the defects in the related technology.
In order to achieve the above effects, the technical solution provided by the present application is as follows:
a backlight module includes:
the frame body comprises a bottom frame and a first frame, and one end of the first frame is connected with the bottom frame;
the fixing piece is arranged opposite to the bottom frame and connected with the other end of the first frame, and the fixing piece, the first frame and the bottom frame form an accommodating cavity;
the backlight assembly is arranged in the accommodating cavity and comprises a light guide plate positioned above the bottom frame, a light source positioned between the light guide plate and the first frame and a circuit board positioned between the light source and the fixing piece, the circuit board is connected with the light source, and the orthographic projection of the circuit board on the bottom frame at least covers the orthographic projection of the light source on the bottom frame;
and a first reflecting layer is arranged on one side of the circuit board close to the light source.
In the backlight module provided in the embodiment of the present application, the backlight module further includes a second reflective layer located between the bottom bezel and the light guide plate, and both an orthogonal projection of the light source on the bottom bezel and an orthogonal projection of the light guide plate on the bottom bezel are located in an orthogonal projection of the second reflective layer on the bottom bezel; wherein the second reflective layer and the first reflective layer are of different materials.
In the backlight module provided by the embodiment of the application, the first reflective layer is white ink.
In the backlight module that this application embodiment provided, the mounting is including being located the first fixed sub-spare of light source top, the circuit board is in orthographic projection on the base frame is located first fixed sub-spare is in orthographic projection on the base frame.
In the backlight module provided by the embodiment of the application, the backlight module further comprises a connecting piece, wherein the connecting piece comprises a first connecting sub-piece, a second connecting sub-piece and a bending piece, and the bending piece is connected with the first connecting sub-piece and the second connecting sub-piece;
the first connecting sub-piece is connected with the first fixing sub-piece, and the second connecting sub-piece is connected with the first frame.
In the backlight module provided by the embodiment of the application, one side of the first fixing sub-element, which is close to the first frame, includes a first groove, and the first connecting sub-element is located in the first groove; one side of the first frame, which is close to the first fixing sub-piece, comprises a second groove, and the second connecting sub-piece is positioned in the second groove.
In the backlight module provided by the embodiment of the application, the fixing piece further comprises a second fixing sub-piece connected with the first fixing sub-piece, the second fixing sub-piece is located between the light source and the first frame, and the height of the second fixing sub-piece is greater than that of the first frame.
In the backlight module provided by the embodiment of the application, the fixing piece further comprises a second fixing sub-piece connected with the first fixing sub-piece, the second fixing sub-piece is located on one side, away from the light source, of the first frame, and the height of the second fixing sub-piece is smaller than that of the first frame.
In the backlight module provided by the embodiment of the application, the thickness range of the first fixing sub-element is 0.3 mm to 1 mm.
The embodiment of the application provides a display device, including any one of the above backlight module and display panel, backlight module set up in one side that display panel is shaded.
The beneficial effects of the embodiment of the application are as follows: the embodiment of the application provides a backlight module and a display device, backlight unit includes framework, mounting and backlight unit, and for prior art, this application embodiment is through setting U-shaped framework to the end frame and the first frame that are connected, through inciting somebody to action first frame the end frame and the mounting cooperation forms one and holds the chamber, it is used for the installation to hold the chamber backlight unit to can be better right backlight unit installs and dismantles, saved the processing cost of framework processing, simultaneously, through with circuit board among the backlight unit sets up between light source and mounting, just the circuit board is close to one side of light source sets up first reflector layer, has reduced the tool and the man-hour of operation of a material and equipment among the prior art.
Drawings
The technical solutions and other advantages of the present application will become apparent from the following detailed description of specific embodiments of the present application when taken in conjunction with the accompanying drawings.
FIG. 1 is a schematic cross-sectional view of a conventional display device;
fig. 2 is a first cross-sectional view of a backlight module according to an embodiment of the disclosure;
FIG. 3 is an enlarged view of FIG. 2 at A-A;
fig. 4 is a second cross-sectional view of a backlight module according to an embodiment of the disclosure;
fig. 5 is a third schematic cross-sectional view of a backlight module according to an embodiment of the present disclosure;
fig. 6 is a schematic cross-sectional view of a display device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Furthermore, it should be understood that the detailed description and specific examples, while indicating exemplary embodiments of the invention, are given by way of illustration and explanation only, and are not intended to limit the scope of the invention. In the present application, unless indicated to the contrary, the use of the directional terms "upper" and "lower" generally refer to the upper and lower positions of the device in actual use or operation, and more particularly to the orientation of the figures of the drawings; while "inner" and "outer" are with respect to the outline of the device.
The embodiment of the application provides a backlight module 100 and a display device 1. The following are detailed below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.
Referring to fig. 2 to 5, an embodiment of the present application provides a backlight module and a display device, where the backlight module includes:
the frame body 10 comprises a bottom frame 11 and a first frame 12, wherein one end of the first frame 12 is connected with the bottom frame 11;
a fixing member 60 disposed opposite to the bottom frame 11, wherein the fixing member 60 is connected to the other end of the first frame 12, and the fixing member 60, the first frame 12 and the bottom frame 11 form an accommodating cavity (not marked in the figure);
a backlight assembly 110 disposed in the receiving cavity, wherein the backlight assembly 110 includes a light guide plate 20 located above the bottom frame 11, a light source 30 located between the light guide plate 20 and the first frame 12, and a circuit board 40 located between the light source 30 and the fixing member 60, the circuit board 40 is electrically connected to the light source 30, and an orthographic projection of the circuit board 40 on the bottom frame 11 at least covers an orthographic projection of the light source 30 on the bottom frame 11;
wherein, a first reflective layer 51 is disposed on one side of the circuit board 40 close to the light source 30.
It can be understood that, referring to fig. 1, which is a schematic cross-sectional view of a conventional display device 1, the display device 1 includes a display panel 200 and a backlight module 100, wherein the backlight module 100 is disposed on one side of the backlight of the display panel 200, in the conventional backlight module 100, an upper portion of a bottom frame 11 is usually bent inward to form an inverted U-shaped structure with the bottom frame 11, in the inverted U-shaped structure, a circuit board 40 is located above the bottom frame 11, a light source 30 is disposed on one side of the circuit board 40, and a light guide plate 20 is connected to the circuit board 40 and located on a light emitting path of the light source 30; the backlight module 100 further includes a first reflective layer 51 located above the light source 30, a second reflective layer 52 located between the light guide plate 20 and the bottom bezel 11, and an optical film layer 80 located on a side of the light guide plate 20 away from the bottom bezel 11; therefore, in the conventional display device 1, due to the design of the inverted U-shaped structure, the light source 30, the light guide plate 20, the circuit board 40, the first reflective layer 51, the second reflective layer 52, the optical film 80, and other devices need to be installed in the inverted U-shaped structure, so that the backlight module 100 is difficult to assemble during the preparation process, and is inconvenient to disassemble when the backlight module 100 is damaged.
It can be understood that, the present embodiment provides a backlight module 100, where the backlight module 100 includes a frame body 10 and a fixing member 60, the frame body 10 includes a bottom frame 11 and a first frame 12, the bottom frame 11 is disposed opposite to the fixing member 60, and one end of the first frame 12 is connected to the bottom frame 11; the other end of the first frame 12 is connected with the fixing member 60, wherein the fixing member 60, the first frame 12 and the bottom frame 11 form a containing cavity, so that the frame 10 with an inverted U-shaped structure in the prior art is replaced, the backlight assembly 110 can be better installed and disassembled, the processing cost of the frame 10 is saved, meanwhile, the circuit board 40 in the backlight assembly 110 is arranged between the light source 30 and the fixing member 60, and the first reflecting layer 51 is arranged on one side, close to the light source 30, of the circuit board 40, so that the jig and the working hours of one material and assembly in the prior art are reduced.
The technical solution of the present application will now be described with reference to specific embodiments.
In one embodiment, please refer to fig. 2 and fig. 3; fig. 2 is a first schematic cross-sectional view of a backlight module according to an embodiment of the present disclosure, and fig. 3 is an enlarged view of fig. 2 at a-a.
The present embodiment provides a backlight module 100, where the backlight module 100 includes a frame 10, including a bottom frame 11 and a first frame 12, and one end of the first frame 12 is connected to the bottom frame 11; a fixing member 60 disposed opposite to the bottom frame 11, wherein the fixing member 60 is connected to the other end of the first frame 12, and the fixing member 60, the first frame 12 and the bottom frame 11 form an accommodating cavity (not marked in the figure); and a backlight assembly 110 disposed in the receiving cavity.
In this embodiment, the frame body 10 may be formed by enclosing the bottom frame 11 and the first frame 12, or the frame body 10 may be formed by bending the bottom frame 11 upward to form an L-shape with the bottom frame, and the material of the frame body 10 includes, but is not limited to, an iron material and an aluminum material, which is not limited in this embodiment.
It can be understood that, in this embodiment, one end of the first frame 12 is connected to the bottom frame 11, and the other end of the first frame 12 is connected to the fixing element 60, wherein the fixing element 60, the first frame 12 and the bottom frame 11 form an accommodating cavity, so as to replace the frame 10 in the prior art, which has an inverted U-shaped structure, thereby better installing and detaching the backlight assembly 110, and saving the process cost of processing the frame 10.
Further, in this embodiment, the backlight assembly 110 includes a light guide plate 20 located above the bottom frame 11, a light source 30 located between the light guide plate 20 and the first frame 12, and a circuit board 40 located between the light source 30 and the fixing member 60, the circuit board 40 is connected to the light source 30, and an orthographic projection of the circuit board 40 on the bottom frame 11 at least covers an orthographic projection of the light source 30 on the bottom frame 11; wherein, a first reflective layer 51 is disposed on one side of the circuit board 40 close to the light source 30.
Specifically, the circuit board 40 includes but is not limited to a Flexible Printed Circuit (FPC) or a rigid circuit board 40, the Light source 30 includes but is not limited to an LED (Light-emitting diode), the circuit board 40 is electrically connected to the Light source 30 and is used for driving the Light source 30 to emit Light, the Light guide plate 20 is used for conducting the Light emitted by the Light source 30, and the Light source 30 emitted by the Light source 30 is converted into a surface Light source 30 and is conducted out from a set direction; it should be noted that, in the present embodiment, the circuit board 40 is taken as an example to exemplify the technical solution of the present application.
Further, in this embodiment, the backlight assembly 110 further includes a second reflective layer 52 located between the light guide plate 20 and the bottom frame 11, and an optical film layer 80 located on a side of the light guide plate 20 away from the bottom frame 11, wherein the optical film layer 80 includes, but is not limited to, one or more combinations of a diffusion sheet, a brightness enhancement sheet, and a composite film, the first reflective layer 51 is used for further reflecting the light emitted from the light source 30 onto the light guide plate 20, and the second reflective layer 52 is used for reflecting the light conducted below the light guide plate 20 back into the light guide plate 20, so that the light is emitted from above the light guide plate 20.
It should be noted that, in this embodiment, an orthogonal projection of the light source 30 on the bottom bezel 11 and an orthogonal projection of the light guide plate 20 on the bottom bezel 11 are both located in an orthogonal projection of the second reflective layer 52 on the bottom bezel 11; wherein the second reflective layer 52 and the first reflective layer 51 are different in material; preferably, the first reflective layer 51 includes, but is not limited to, white ink or white cover film, and the second reflective layer 52 is a reflective sheet; the materials of the white ink include, but are not limited to, light-reflecting particles, a binder, and an adjuvant, which is not specifically limited in this embodiment.
It can be understood that, in this embodiment, the circuit board 40 in the backlight assembly 110 is disposed between the light source 30 and the fixing member 60, and the first reflective layer 51 is disposed on one side of the circuit board 40 close to the light source 30, specifically, in this embodiment, the circuit board 40 is used to drive the light source 30 to emit light, and can be used as a reflective layer to further reflect the light emitted from the light source 30 to the light guide plate 20, so that the optimized structure of the circuit board 40 reduces a material and assembly fixture and operation time in the prior art, and can improve efficiency, optimize production process, and reduce production cost and operation difficulty.
Specifically, in this embodiment, the fixing element 60 includes a first fixing sub-element 61 located above the light source 30, the circuit board 40 is located between the light source 30 and the first fixing sub-element 61, and an orthogonal projection of the circuit board 40 on the bottom frame 11 is located within an orthogonal projection of the first fixing sub-element 61 on the bottom frame 11, preferably, the shape of the first fixing sub-element 61 includes but is not limited to a long strip, and a thickness of the first fixing sub-element 61 ranges from 0.3 mm to 1 mm, which is not limited in this embodiment.
In the present embodiment, an orthogonal projection of the first fixing sub-element 61 on the bottom frame 11 covers an orthogonal projection of the circuit board 40 on the bottom frame 11, and the orthogonal projection of the circuit board 40 on the bottom frame 11 overlaps with an orthogonal projection of the light guide plate 20 on the bottom frame 11; wherein the circuit board 40 is fixed to the first fixing sub-assembly 61 and the light guide plate 20 by an adhesive tape, such as a double-sided tape.
It can be understood that, referring to fig. 1 and fig. 2, in the conventional backlight module 100, the frame body 10 is formed by bending the upper portion of the bottom frame 11 inward to form an inverted U-shaped structure with the bottom frame 11, the frame body 10 includes the bottom frame 11, a first portion 12 and a second portion 13, wherein one end of the first portion 12 is connected to the bottom frame 11, the other end of the first portion 12 is connected to the second portion 13, the first reflective layer 51 is located between the first portion and the light source 30, and the first reflective layer 51 is spaced from the light source 30, so that the thickness of the backlight module 100 is relatively large.
In this embodiment, the fixing member 60 includes a first fixing sub-member 61 located above the light source 30, the circuit board 40 is located between the light source 30 and the first fixing sub-member 61, the circuit board 40 is electrically connected to the light source 30, and a first reflective layer 51 is disposed on a side of the circuit board 40 close to the light source 30, so that the first reflective layer 51 can be in direct contact with the light source 30, that is, the thickness of the backlight module 100 can be further reduced by the design provided in this embodiment, and the display area of the display area is enlarged in the same size; meanwhile, when the backlight module 100 is assembled and disassembled by personnel in factory production, the first fixing sub-element 61 with a strip shape is easier to assemble and disassemble by personnel.
Further, in this embodiment, the backlight module 100 further includes a connecting member 70, the connecting member 70 includes a first connecting sub-member 71, a second connecting sub-member 72 and a bending member 73, and the bending member 73 connects the first connecting sub-member 71 and the second connecting sub-member 72; wherein the first connecting sub-piece 71 is connected with the first fixing sub-piece 61, and the second connecting sub-piece 72 is connected with the first frame 12; preferably, in this embodiment, a side of the first fixing sub-member 61 close to the first frame 12 includes a first groove (not labeled in the figure), and the first connecting sub-member 71 is located in the first groove; the side of the first frame 12 adjacent to the first fixing sub 61 includes a second groove (not labeled) in which the second connecting sub 72 is located.
It can be understood that, in the present embodiment, by providing that the connecting member 70 includes a first connecting sub-member 71, a second connecting sub-member 72 and a bending member 73, the bending member 73 connects the first connecting sub-member 71 and the second connecting sub-member 72; the first connecting sub-piece 71 is connected with the first fixing sub-piece 61, and the second connecting sub-piece 72 is connected with the first frame 12, so that the first fixing sub-piece 61 and the first frame 12 can rotate relatively, and the assembly and disassembly of the backlight module 100 by personnel in factory production are easier; meanwhile, the first connecting sub-member 71 is located in the first groove, and the second connecting sub-member 72 is located in the second groove, so as to conceal the connecting member 70, and make the backlight module 100 more beautiful.
Fig. 4 is a schematic cross-sectional view of a backlight module according to a second embodiment of the present disclosure.
In this embodiment, the second cross-sectional view of the backlight module 100 is similar to/the same as the first cross-sectional view of the backlight module 100 provided in the above embodiment, and please refer to the description of the backlight module 100 in the above embodiment, which is not repeated herein, and the difference between the two is only:
the fixing member 60 further includes a second fixing sub-member 62 connected to the first fixing sub-member 61, the second fixing sub-member 62 is located between the light source 30 and the first frame 12, and the height of the second fixing sub-member 62 is greater than the height of the first frame 12; wherein the second fixing sub-member 62 is fixed to the first frame 12 by an adhesive tape, such as a double-sided tape.
It can be understood that, compared to the first embodiment, the fixing member 60 includes the first fixing sub-member 61, the first fixing sub-member 61 is connected to the first frame 12 through the connecting member 70, and a gap exists at a connection position of the first fixing sub-member 61 and the connecting member 70, which may cause light leakage of the backlight module 100; in this embodiment, the fixing member 60 further includes a second fixing sub-member 62 connected to the first fixing sub-member 61, the second fixing sub-member 62 is located between the light source 30 and the first frame 12, and the second fixing sub-member 62 is fixed to the first frame 12 by an adhesive tape, so as to completely cover the gap, and to prevent light leakage or bright lines from occurring in the backlight module 100 during operation; meanwhile, the height of the second fixing sub-member 62 is set to be greater than that of the first frame 12, so that the design is advantageous in that the tolerance of the material is controlled, and the installation and the removal can be better performed.
It can be understood that, in the embodiment, the position of the second fixing sub-element 62 is not particularly limited, for example, in an embodiment, please refer to fig. 5, which is a third cross-sectional view of the backlight module 100 provided in the embodiment of the present application, the second fixing sub-element 62 is located on a side of the first frame 12 away from the light source 30, the height of the second fixing sub-element 62 is smaller than the height of the first frame 12, wherein the height of the second fixing sub-element 62 is set smaller than the height of the first frame 12, so that the design has the advantages of saving material consumption and reducing production cost.
Fig. 6 is a schematic cross-sectional view of a display device according to an embodiment of the present disclosure.
The present embodiment provides a display device 1, where the display device 1 includes the backlight module 100 and the display panel 200 described in any of the above embodiments, and the backlight module 100 is disposed on one side of the display panel 200 in a backlight manner.
The display panel 200 includes, but is not limited to, a Light-emitting diode (LED) display panel, which is not limited in this embodiment; it should be noted that, in this embodiment, the technical solution of the present application is described by taking the display panel as an example.
It is understood that the backlight module has been described in detail in the above embodiments, and the description is not repeated here.
In specific applications, the display device 1 may be a display screen of a smart phone, a tablet computer, a notebook computer, an intelligent bracelet, an intelligent watch, an intelligent glasses, an intelligent helmet, a desktop computer, an intelligent television or a digital camera, or even may be applied to an electronic device having a flexible display screen.
To sum up, this application provides a backlight unit and display device, backlight unit includes framework, mounting and backlight unit, and for prior art, this application embodiment is through setting the U-shaped framework to the base frame and the first frame that are connected, through with first frame the base and the mounting cooperation forms one and holds the chamber, it is used for the installation to hold the chamber backlight unit to can be better right backlight unit installs and dismantles, has saved the processing cost of framework processing, simultaneously, through with circuit board among the backlight unit sets up between light source and mounting, just the circuit board is close to one side of light source sets up first reflector layer, has reduced the tool and the man-hour of operation of a material and equipment among the prior art.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The backlight module and the display panel provided by the embodiment of the present application are described in detail above, and specific examples are applied herein to explain the principle and the embodiment of the present application, and the description of the embodiments above is only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A backlight module, comprising:
the frame body comprises a bottom frame and a first frame, and one end of the first frame is connected with the bottom frame;
the fixing piece is arranged opposite to the bottom frame and connected with the other end of the first frame, and the fixing piece, the first frame and the bottom frame form an accommodating cavity;
the backlight assembly is arranged in the accommodating cavity and comprises a light guide plate positioned above the bottom frame, a light source positioned between the light guide plate and the first frame and a circuit board positioned between the light source and the fixing piece, the circuit board is connected with the light source, and the orthographic projection of the circuit board on the bottom frame at least covers the orthographic projection of the light source on the bottom frame;
and a first reflecting layer is arranged on one side of the circuit board close to the light source.
2. The backlight module according to claim 1, further comprising a second reflective layer disposed between the bottom bezel and the light guide plate, wherein an orthogonal projection of the light source on the bottom bezel and an orthogonal projection of the light guide plate on the bottom bezel are both within an orthogonal projection of the second reflective layer on the bottom bezel; wherein the second reflective layer and the first reflective layer are of different materials.
3. The backlight module as claimed in claim 2, wherein the first reflective layer is white ink.
4. The backlight module according to claim 1, wherein the fixing member comprises a first fixing sub-member located above the light source, and an orthogonal projection of the circuit board on the bottom frame is located within an orthogonal projection of the first fixing sub-member on the bottom frame.
5. The backlight module according to claim 4, wherein the backlight module further comprises a connecting member, the connecting member comprises a first connecting sub-member, a second connecting sub-member and a bending member, and the bending member connects the first connecting sub-member and the second connecting sub-member;
the first connecting sub-piece is connected with the first fixing sub-piece, and the second connecting sub-piece is connected with the first frame.
6. The backlight module according to claim 5, wherein a side of the first fixing sub-member adjacent to the first bezel comprises a first groove, and the first connecting sub-member is located in the first groove; one side of the first frame, which is close to the first fixing sub-piece, comprises a second groove, and the second connecting sub-piece is positioned in the second groove.
7. The backlight module as claimed in claim 4, wherein the fixing member further comprises a second fixing sub-member connected to the first fixing sub-member, the second fixing sub-member is located between the light source and the first bezel, and the height of the second fixing sub-member is greater than the height of the first bezel.
8. The backlight module as claimed in claim 4, wherein the fixing member further comprises a second fixing sub-member connected to the first fixing sub-member, the second fixing sub-member is located on a side of the first bezel away from the light source, and a height of the second fixing sub-member is smaller than a height of the first bezel.
9. The backlight module as claimed in claim 4, wherein the first fixing sub-member has a thickness ranging from 0.3 mm to 1 mm.
10. A display device, comprising the backlight module of any one of claims 1 to 9 and a display panel, wherein the backlight module is disposed on one side of the display panel in a backlight manner.
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| CN202210260241.4A CN114624808A (en) | 2022-03-16 | 2022-03-16 | Backlight module and display device |
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| CN202210260241.4A CN114624808A (en) | 2022-03-16 | 2022-03-16 | Backlight module and display device |
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| CN202210260241.4A Pending CN114624808A (en) | 2022-03-16 | 2022-03-16 | Backlight module and display device |
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