CN115469482A - Backlight module, assembling method and body-building mirror - Google Patents
Backlight module, assembling method and body-building mirror Download PDFInfo
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- CN115469482A CN115469482A CN202211165445.6A CN202211165445A CN115469482A CN 115469482 A CN115469482 A CN 115469482A CN 202211165445 A CN202211165445 A CN 202211165445A CN 115469482 A CN115469482 A CN 115469482A
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- cover plate
- backlight module
- supporting
- piece
- rear cover
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000003287 optical effect Effects 0.000 claims abstract description 45
- 230000004308 accommodation Effects 0.000 claims abstract description 7
- 238000009792 diffusion process Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000011521 glass Substances 0.000 abstract description 5
- 239000012528 membrane Substances 0.000 description 7
- 230000003014 reinforcing effect Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G1/00—Mirrors; Picture frames or the like, e.g. provided with heating, lighting or ventilating means
- A47G1/02—Mirrors used as equipment
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133325—Assembling processes
Abstract
The invention relates to the technical field of fitness glasses, and discloses a backlight module, an assembling method and a fitness mirror. Backlight unit includes optics and bearing structure, and bearing structure is used for location and fixed optics, and bearing structure sets up on the back shroud, and bearing structure includes: the two first supporting pieces are oppositely arranged on the rear cover plate, the length of each first supporting piece extends along a first direction, and a first clamping groove extending along the first direction is formed in each first supporting piece; the two second supporting pieces are oppositely arranged on the rear cover plate, the length of each second supporting piece extends along the second direction, and a second clamping groove extending along the second direction is formed in each second supporting piece; two first support pieces and two second support pieces can enclose each other and establish the accommodation space that forms and be used for placing the optical element, and the four sides reason of optical element card respectively establishes in two first draw-in grooves and two second draw-in grooves. The backlight module has the advantages of simple structure, low cost and high assembly efficiency.
Description
Technical Field
The invention relates to the technical field of fitness glasses, in particular to a backlight module, an assembling method and a fitness mirror.
Background
The fitness mirror with the mirror surface display function is mainly used for home fitness scenes, so that a user can clearly see self actions and compare and correct the actions in the process of performing fitness exercise along with recorded or live courses, and the fitness mirror gradually becomes the mainstream form of fitness products. The backlight module is used as one of key components in the body-building mirror, can provide sufficient brightness and a light source with uniform distribution for the body-building mirror, and ensures that the body-building mirror can normally display images.
However, in the current backlight module, the optical element in the backlight module is usually fixed by using a connecting element, that is, the optical element needs to be fixed by using a plurality of connecting elements such as a screen pressing sheet, a membrane hanger bracket and the like, so that the backlight module has more parts, a more complex structure and higher production cost; and the assembly steps of the backlight module are more, resulting in lower assembly efficiency.
Therefore, there is a need for a backlight module, an assembly method and a body-building mirror that can solve the above problems.
Disclosure of Invention
One objective of the present invention is to provide a backlight module with simple structure, low cost and high assembly efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
backlight unit, including optics and bearing structure, bearing structure is used for fixing and fixing optics, bearing structure sets up on the back shroud, bearing structure includes:
the two first supporting pieces are oppositely arranged on the rear cover plate, the length of each first supporting piece extends along a first direction, a first clamping groove extending along the first direction is formed in each first supporting piece, and the first direction is parallel to the length direction of the rear cover plate;
the two second supporting pieces are oppositely arranged on the rear cover plate, the length of each second supporting piece extends along a second direction, a second clamping groove extending along the second direction is formed in each second supporting piece, and the second direction is perpendicular to the first direction;
the first supporting pieces and the second supporting pieces can mutually surround to form a containing space for placing the optical piece, and the four side edges of the optical piece are respectively clamped in the first clamping grooves and the second clamping grooves.
Furthermore, the optical element comprises a reflecting sheet, a diffusion plate and a membrane, wherein the reflecting sheet, the diffusion plate and the membrane are sequentially overlapped in the accommodating space from bottom to top.
Further, a first inclined surface is formed on the reflector plate, and the first inclined surface extends upwards in an inclined mode in the direction away from the rear cover plate; the boss is arranged on one side, close to the accommodating space, of the first supporting piece and located in the accommodating space, the boss is provided with a second inclined face matched with the first inclined face, the second inclined face extends downwards towards the direction close to the rear cover plate, and the second inclined face can be abutted to the first inclined face.
Further, the backlight module further comprises:
a plurality of lamp strips, it is a plurality of the lamp strip interval just sets up in parallel each other on the back shroud, the lamp strip is located the back shroud with between the reflector plate, the reflector plate the diffuser plate and the diaphragm is used for with the light dispersion that the lamp strip provided is even.
Furthermore, the first supporting piece and the second supporting piece are both injection-molded by hard plastic materials.
Furthermore, a plurality of first reinforcing ribs are arranged on one side, far away from the accommodating space, of the first supporting piece at intervals, and a plurality of second reinforcing ribs are arranged on one side, far away from the accommodating space, of the second supporting piece at intervals.
Further, one of the two first supports is slidably connected with the back cover plate, and the first support can slide along the second direction relative to the back cover plate.
Furthermore, one of the rear cover plate and one of the first supporting members is provided with a slide rail, and the other is provided with a projection, the slide rail extends along the second direction, and the projection can slide on the slide rail.
Another objective of the present invention is to provide an assembling method of a backlight module, which is simple and efficient.
In order to achieve the purpose, the invention adopts the following technical scheme:
the assembling method of the backlight module is based on the backlight module, and comprises the following steps:
s1: the two second supporting pieces and one first supporting piece are fixedly arranged on the rear cover plate, and the two second supporting pieces are parallel to each other and are respectively arranged at two ends of the first supporting piece;
s2: pushing the optical element along the second direction and in a direction close to the first supporting piece fixed on the rear cover plate so as to horizontally push the optical element into the two second clamping grooves and the first clamping groove;
s3: and moving the other first support piece along the second direction and towards the direction close to the optical piece until the edge of the optical piece is clamped into the first clamping groove on the other first support piece, and fixing the other first support piece.
It is yet another object of the present invention to provide exercise goggles that are simple, inexpensive and efficient to assemble.
In order to achieve the purpose, the invention adopts the following technical scheme:
the body-building mirror comprises a body-building mirror main body, a rear cover plate and the backlight module, wherein the rear cover plate is connected to the body-building mirror main body.
The invention has the beneficial effects that:
the two first supporting pieces and the two second supporting pieces are arranged, and the first clamping grooves and the second clamping grooves are respectively arranged on the first supporting pieces and the second supporting pieces, so that the two first supporting pieces and the two second supporting pieces are mutually surrounded and connected to form an accommodating space for placing an optical piece, and meanwhile, the four side edges of the optical piece are respectively clamped in the two first clamping grooves and the two second clamping grooves, so that the optical piece is fixed; in this way, the optical part can be fixed only by arranging the two first supporting parts and the two second supporting parts, and compared with the prior art, a plurality of connecting parts such as a screen pressing sheet, a membrane hanger bracket and the like are eliminated, so that the whole backlight module has fewer parts, simpler structure and lower production cost; in the assembling process of the backlight module, only the two first supporting pieces and the two second supporting pieces need to be mutually surrounded and connected, so that the assembling steps of the backlight module are fewer, and the assembling efficiency is higher.
Drawings
FIG. 1 is a schematic view of an assembly structure between a backlight module and a back cover plate according to the present invention;
FIG. 2 is a side view of a first support provided by the present invention;
FIG. 3 is a side view of a second support provided by the present invention;
FIG. 4 is a schematic view of an assembly structure between the first supporting member and the optical member provided by the present invention;
FIG. 5 is a schematic flow chart of a method for assembling a backlight module according to the present invention;
fig. 6 is a schematic view illustrating an assembly process of the backlight module according to the present invention.
Reference numerals:
1-a first support; 11-a first card slot; 12-boss; 121-a second inclined face; 13-a first reinforcing rib; 2-a second support; 21-a second card slot; 22-a second reinforcing rib; 3-an optical member; 31-a reflective sheet; 311-a first inclined surface; 32-a diffuser plate; 33-a membrane; 4-rear cover plate; 5-the accommodation space.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used as orientations or positional relationships based on the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the structures or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The backlight module is used as one of key components in the body-building mirror, can provide sufficient light source with uniform brightness and distribution for the body-building mirror, and ensures that the body-building mirror can normally display images; however, in the current backlight module, the optical element in the backlight module is usually fixed by using a connecting element, that is, the optical element needs to be fixed by using a plurality of connecting elements such as a screen pressing sheet, a membrane hanger bracket and the like, so that the backlight module has more parts, a more complex structure and higher production cost; and the assembly steps of the backlight module are more, resulting in lower assembly efficiency.
Example one
To this end, the present embodiment proposes a backlight module, as shown in fig. 1 to 4, which includes an optical member 3 and a supporting structure for positioning and fixing the optical member 3 to ensure that the optical member 3 can be used stably; the supporting structure is arranged on the rear cover plate 4, and the rear cover plate 4 is a structure in the body-building mirror; the support structure comprises two first supports 1 and two second supports 2; the two first supporting pieces 1 are arranged on the rear cover plate 4 oppositely and in parallel, the length of each first supporting piece 1 extends along a first direction, a first clamping groove 11 extending along the first direction is formed in each first supporting piece 1, and the first clamping groove 11 penetrates through the whole length of each first supporting piece 1; the two second supporting pieces 2 are oppositely arranged on the rear cover plate 4 in parallel, the length of the second supporting pieces 2 extends along the second direction, second clamping grooves 21 extending along the second direction are formed in the second supporting pieces 2, and the second clamping grooves 21 penetrate through the whole length of the second supporting pieces 2; two first support pieces 1 and two second support pieces 2 enclose each other on back shroud 4 and establish the connection to make two first support pieces 1 and two second support pieces 2 can form the accommodation space 5 that is used for placing optical part 3 each other, and optical part 3's four sides border card respectively establishes in two first draw-in grooves 11 and two second draw-in grooves 21, thereby realizes fixing optical part 3. The first direction is parallel to the length direction of the rear cover plate 4, the second direction is perpendicular to the first direction, and the first direction and the second direction are respectively shown as an arrow a and an arrow B in fig. 1.
Compared with the prior art, the backlight module in the embodiment changes the fixing structure of the optical element 3; by arranging the two first supporting pieces 1 and the two second supporting pieces 2 and arranging the first clamping grooves 11 and the second clamping grooves 21 on the first supporting pieces 1 and the second supporting pieces 2 respectively, the two first supporting pieces 1 and the two second supporting pieces 2 are mutually surrounded and connected to form an accommodating space 5 for accommodating the optical piece 3, and meanwhile, the four side edges of the optical piece 3 are clamped in the two first clamping grooves 11 and the two second clamping grooves 21 respectively, so that the optical piece 3 is fixed; in this way, the optical piece 3 can be fixed only by arranging the two first supporting pieces 1 and the two second supporting pieces 2, and compared with the prior art, a plurality of connecting pieces such as a screen pressing piece, a membrane hanger bracket and the like are eliminated, so that the whole backlight module has fewer parts, simpler structure and lower production cost; in the assembling process of the backlight module, only the two first supporting pieces 1 and the two second supporting pieces 2 need to be mutually surrounded and connected, so that the assembling steps of the backlight module are fewer, and the assembling efficiency is higher. The first support 1 and the second support 2 in this embodiment are specifically strip-shaped structures.
It should be noted that, since the rear cover plate 4 is substantially a structure in the exercise mirror and is not a structure of the backlight module itself, that is, the back plate of the module is omitted from the backlight module, and the support structure in the backlight module is directly disposed on the rear cover plate 4 of the exercise mirror, that is, the rear cover plate 4 is used as both the rear cover plate 4 and the back plate of the backlight module, so that fewer parts of the backlight module are required, the structure is simpler, the cost is lower, and the thickness of the exercise mirror is thinner. The back cover plate 4 in this embodiment is made of a metal material, and the specific thickness of the back cover plate 4 is 1mm.
It should be noted that the backlight module in this embodiment may also be used in other display devices, and when the backlight module is disposed in other display devices, the rear cover plate 4 is correspondingly a rear cover plate 4 structure in other display devices.
Further, as shown in fig. 1 and 4, the optical member 3 specifically includes a reflection sheet 31, a diffusion plate 32, and a diaphragm 33; the reflector 31, the diffuser 32 and the diaphragm 33 are sequentially stacked in the accommodating space 5 from bottom to top, four side edges of the reflector 31, four side edges of the diffuser 32 and four side edges of the diaphragm 33 are respectively aligned, and the four side edges of the reflector 31, the four side edges of the diffuser 32 and the four side edges of the diaphragm 33 are respectively clamped in the two first card slots 11 and the two second card slots 21. The main function of the reflector 31, the diffuser 32 and the diaphragm 33 is to uniformly disperse the light emitted from the light source. The reflective sheet 31, the diffusion plate 32, and the diaphragm 33 in this embodiment are all common structures in the prior art of optics, and detailed descriptions of specific working principles of the reflective sheet 31, the diffusion plate 32, and the diaphragm 33 are omitted here.
Specifically, as shown in fig. 1, 2 and 4, a first inclined surface 311 is formed on the reflection sheet 31, and the first inclined surface 311 extends obliquely upward in a direction away from the back cover plate 4; one side that is close to accommodation space 5 on every first support 1 all is provided with boss 12, and two boss 12 set up relatively and all are located accommodation space 5, and boss 12 has the second inclined plane 121 with first inclined plane 311 assorted, and second inclined plane 121 extends to the direction downward sloping that is close to back shroud 4, and second inclined plane 121 can be with first inclined plane 311 butt.
By providing the boss 12 on the first support 1, on the one hand, the second inclined surface 121 can be abutted against the first inclined surface 311, so that the boss 12 can provide a supporting function to the reflection sheet 31; on the other hand, when the backlight module is assembled, the second inclined surface 121 is abutted to the first inclined surface 311 to serve as a reference standard for reaching a preset assembly position, so that the assembly is facilitated, and the assembly accuracy is ensured.
Furthermore, the backlight module further comprises a plurality of light bars which are arranged on the rear cover plate 4 at intervals and in parallel, the light bars extend along the first direction, the light bars are located between the rear cover plate 4 and the reflector plate 31, the diffusion plate 32 and the diaphragm 33 are used for uniformly dispersing light provided by the light bars. Here, liquid crystal glass is mounted above the diaphragm 33 to perform display through the liquid crystal glass.
Specifically, first support piece 1 and second support piece 2 adopt the hard plastic material that thickness is 2.3mm to make, and first support piece 1 and second support piece 2 all adopt injection moulding to make first support piece 1 and second support piece 2 not only can have intensity also can have certain pliability, thereby make first support piece 1 and second support piece 2 can provide the cushion effect to optical member 3, avoid making the damage to optical member 3, and then can protect optical member 3 better. The first supporting part 1 and the second supporting part 2 are both subjected to injection molding in a mode of one cavity and two chambers, namely two supporting parts can be produced simultaneously in one injection molding cycle, so that the processing efficiency of the first supporting part 1 and the second supporting part 2 is high.
Further, as shown in fig. 2 and 3, a plurality of first reinforcing ribs 13 are arranged on the first supporting member 1 at intervals on a side away from the accommodating space 5, so as to ensure that the first supporting member 1 has better supporting strength; a plurality of second reinforcing ribs 22 are arranged on the second supporting member 2 at intervals on the side far away from the accommodating space 5, so as to ensure that the second supporting member 2 has better supporting strength.
Specifically, one of the two first supporting members 1 is slidably connected with the back cover plate 4, and the first supporting member 1 can slide along the second direction relative to the back cover plate 4, so as to facilitate the assembly of the subsequent backlight module; wherein, one of the rear cover plate 4 and one of the first supporting members 1 is provided with a slide rail, and the other is provided with a projection, the slide rail extends along the second direction, and the projection can slide on the slide rail, so that the first supporting member 1 can slide on the rear cover plate 4. In this embodiment, the sliding rail is disposed on the first supporting member 1, and the protruding block is disposed on the back cover plate 4.
Example two
The embodiment provides an assembling method of a backlight module, based on the backlight module as described in the first embodiment, as shown in fig. 5 and 6, including the following steps: s1: two second supporting pieces 2 and one first supporting piece 1 are fixedly arranged on the rear cover plate 4, and the two second supporting pieces 2 are parallel to each other and are respectively arranged at two ends of the first supporting piece 1; s2: pushing the optical element 3 in a second direction and in a direction close to the first support 1 fixed on the rear cover plate 4 to horizontally push the optical element 3 into the two second card slots 21 and the first card slot 11; s3: and moving the other first support member 1 along the second direction and toward the direction close to the optical member 3 until the edge of the optical member 3 is clamped into the first clamping groove 11 on the other first support member 1, and fixing the other first support member 1, thereby completing the assembly of the whole backlight module. In step S3, the moving direction of the other first support 1 is specifically shown by an arrow C in fig. 6.
In the method for assembling the backlight module of the embodiment, since the backlight module is assembled based on the backlight module of the first embodiment, the assembling steps are less, the assembling is simple, and the assembling efficiency is higher.
The specific assembling process of the assembling method of the backlight module in the embodiment is as follows:
firstly, all the lamp strips are fixedly arranged on a rear cover plate 4 of the body-building mirror; then, as shown in fig. 6, one of the first supporting members 1 and the two second supporting members 2 are both fixedly disposed on the back cover plate 4, the two second supporting members 2 are parallel to each other and disposed at two ends of the first supporting member 1, respectively, and the light bar is located inside the one first supporting member 1 and the two second supporting members 2.
Then, the reflection sheet 31, the diffusion plate 32 and the diaphragm 33 are sequentially pushed in the second direction and in a direction approaching the first support 1 fixed on the back cover plate 4, so that the reflection sheet 31, the diffusion plate 32 and the diaphragm 33 are sequentially pushed into the two second card slots 21 and the first card slot 11 horizontally, even if the three side edges of the reflection sheet 31, the diffusion plate 32 and the diaphragm 33 are respectively clamped in the two second card slots 21 and the first card slot 11, and the reflection sheet 31, the diffusion plate 32 and the diaphragm 33 are sequentially stacked from bottom to top.
Finally, as shown in fig. 6, the protrusion slides on the slide rail, so that the other first supporting member 1 slides on the back cover plate 4 along the second direction and in a direction close to the first inclined surface 311 until the second inclined surface 121 on the first supporting member 1 abuts against the first inclined surface 311 on the reflector plate 31, at this time, the other first supporting member 1 reaches the preset assembly position, the reflector plate 31, the diffuser plate 32 and the fourth side edge of the diaphragm 33 are clamped in the other first clamping groove 11, that is, at this time, the reflector plate 31, the diffuser plate 32 and the diaphragm 33 are all located in the accommodating space 5, and the four side edges of the reflector plate 31, the four side edges of the diffuser plate 32 and the four side edges of the diaphragm 33 are respectively clamped in the two second clamping grooves 21 and the two first clamping grooves 11; and another first supporter 1 is fixed to the back cover plate 4, thereby completing the entire assembly process of the backlight unit.
EXAMPLE III
The embodiment provides a pair of fitness glasses, each fitness mirror comprises a fitness mirror main body, a backlight module and a rear cover plate 4, the backlight module and the rear cover plate are as described in the first embodiment, the rear cover plate 4 is connected to the fitness mirror main body, a supporting structure in the backlight module is directly arranged on the rear cover plate 4, and the backlight module is assembled by adopting the assembling method of the backlight module as described in the second embodiment. Wherein, the body-building mirror body is specifically the body-building mirror except the rear cover plate 4 and all other structures in the backlight module.
The body-building mirror in the embodiment comprises the backlight module in the first embodiment, so that the whole body-building mirror has fewer parts and a simpler structure, and the whole body-building mirror has thinner thickness and more beautiful appearance; meanwhile, the fitness mirror is simple to assemble and high in assembling efficiency.
The above description is only a preferred embodiment of the present invention, and it should not be understood that the present invention is limited to the details of the embodiment and the range of applications, which can be changed by those skilled in the art according to the spirit of the present invention.
Claims (10)
1. Backlight unit, including optics (3) and bearing structure, bearing structure is used for fixing and fixing optics (3), bearing structure sets up on back shroud (4), characterized in that, bearing structure includes:
the two first supporting pieces (1) are oppositely arranged on the rear cover plate (4), the length of each first supporting piece (1) extends along a first direction, a first clamping groove (11) extending along the first direction is formed in each first supporting piece (1), and the first direction is parallel to the length direction of the rear cover plate (4);
the two second supporting pieces (2) are oppositely arranged on the rear cover plate (4), the length of each second supporting piece (2) extends along a second direction, a second clamping groove (21) extending along the second direction is formed in each second supporting piece (2), and the second direction is perpendicular to the first direction;
the two first supporting pieces (1) and the two second supporting pieces (2) can mutually surround to form a containing space (5) for placing the optical piece (3), and the four side edges of the optical piece (3) are respectively clamped in the two first clamping grooves (11) and the two second clamping grooves (21).
2. The backlight module according to claim 1, wherein the optical member (3) comprises a reflective sheet (31), a diffuser plate (32) and a film (33), and the reflective sheet (31), the diffuser plate (32) and the film (33) are sequentially stacked in the accommodating space (5) from bottom to top.
3. The backlight module as claimed in claim 2, wherein the reflective sheet (31) has a first inclined surface (311), and the first inclined surface (311) extends obliquely upward in a direction away from the rear cover plate (4); be close to on first support piece (1) one side of accommodation space (5) is provided with boss (12), boss (12) are located in accommodation space (5), boss (12) have with first inclined plane (311) assorted second inclined plane (121), second inclined plane (121) to being close to the direction downward sloping of back shroud (4) extends, second inclined plane (121) can with first inclined plane (311) butt.
4. The backlight module of claim 2, wherein the backlight module further comprises:
the lamp strip is arranged on the rear cover plate (4) at intervals and in parallel, the lamp strip is located between the rear cover plate (4) and the reflector plate (31), the diffusion plate (32) and the diaphragm (33) are used for uniformly dispersing light provided by the lamp strip.
5. A backlight module according to any of claims 1-4, characterized in that the first support member (1) and the second support member (2) are injection molded from a hard plastic material.
6. The backlight module according to claim 5, wherein a plurality of first ribs (13) are spaced apart from one side of the first supporting member (1) away from the accommodating space (5), and a plurality of second ribs (22) are spaced apart from one side of the second supporting member (2) away from the accommodating space (5).
7. A backlight module according to any of claims 1-4, characterized in that one of the two first supports (1), the first support (1) being in sliding connection with the back cover plate (4), the first support (1) being slidable in the second direction relative to the back cover plate (4).
8. The backlight module according to claim 7, wherein one of the back cover plate (4) and one of the first supports (1) is provided with a sliding track, and the other one of the back cover plate and the first supports is provided with a protrusion, the sliding track extends along the second direction, and the protrusion can slide on the sliding track.
9. Method for assembling a backlight module, based on a backlight module as claimed in any one of claims 1 to 8, comprising the steps of:
s1: fixedly arranging the two second supporting pieces (2) and one first supporting piece (1) on the rear cover plate (4), wherein the two second supporting pieces (2) are parallel to each other and are respectively arranged at two ends of the first supporting piece (1);
s2: pushing the optical element (3) in the second direction and in a direction close to the first support element (1) fixed to the back cover plate (4) to horizontally push the optical element (3) into the two second card slots (21) and the first card slot (11);
s3: and moving the other first supporting piece (1) along the second direction and towards the direction close to the optical piece (3) until the edge of the optical piece (3) is clamped into the first clamping groove (11) on the other first supporting piece (1) and the other first supporting piece (1) is fixed.
10. Mirror for body building, comprising a mirror body for body building, a back cover plate (4) and a backlight module according to any one of claims 1 to 8, the back cover plate (4) being connected to the mirror body for body building.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN101295098A (en) * | 2007-04-25 | 2008-10-29 | 群康科技(深圳)有限公司 | Back light module unit and LCD device |
| CN112068352A (en) * | 2020-09-04 | 2020-12-11 | 深圳创维－Rgb电子有限公司 | Backlight module and liquid crystal module |
| WO2021077943A1 (en) * | 2019-10-21 | 2021-04-29 | 晨辉光宝科技股份有限公司 | Light fixture having anti-displacement function |
| CN114019711A (en) * | 2021-11-23 | 2022-02-08 | 深圳创维－Rgb电子有限公司 | Straight following formula liquid crystal module and display device |
| CN114740657A (en) * | 2022-05-07 | 2022-07-12 | Tcl华星光电技术有限公司 | Backlight structure and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101295098A (en) * | 2007-04-25 | 2008-10-29 | 群康科技(深圳)有限公司 | Back light module unit and LCD device |
| WO2021077943A1 (en) * | 2019-10-21 | 2021-04-29 | 晨辉光宝科技股份有限公司 | Light fixture having anti-displacement function |
| CN112068352A (en) * | 2020-09-04 | 2020-12-11 | 深圳创维－Rgb电子有限公司 | Backlight module and liquid crystal module |
| CN114019711A (en) * | 2021-11-23 | 2022-02-08 | 深圳创维－Rgb电子有限公司 | Straight following formula liquid crystal module and display device |
| CN114740657A (en) * | 2022-05-07 | 2022-07-12 | Tcl华星光电技术有限公司 | Backlight structure and display device |
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