CN115291436A - Side-in backlight module and display device with same - Google Patents
Side-in backlight module and display device with same Download PDFInfo
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- CN115291436A CN115291436A CN202211042572.7A CN202211042572A CN115291436A CN 115291436 A CN115291436 A CN 115291436A CN 202211042572 A CN202211042572 A CN 202211042572A CN 115291436 A CN115291436 A CN 115291436A
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- Prior art keywords
- backlight module
- limiting
- light bar
- sleeve
- locking state
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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
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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
- G02B6/009—Positioning aspects of the light source in the package
Abstract
The application relates to a side-in type backlight module and a display device with the same, wherein the backlight module comprises a bottom plate, a side plate and a light bar, the side plate is provided with a mounting hole, and at least part of the mounting hole is opened outwards from one side of the side plate, which is far away from the bottom plate; fastening components includes sleeve and moving part, the sleeve includes along its length direction distributed first end and second end, the first end rigid coupling is on the lamp strip, the moving part is suitable for from the movably sleeve of wearing to locate of second end, telescopic inner peripheral surface is equipped with first spacing portion, the moving part is equipped with spacing portion of second and the spacing portion of third, backlight unit has locking condition and non-locking state, in locking condition, the spacing block of first spacing portion and second, the spacing portion of third ends to keep away from the side of lamp strip in the curb plate, in non-locking state, the spacing portion of first spacing portion and second separates, the spacing portion of third and the side separation of lamp strip are kept away from to the curb plate. The side-in type backlight module is simple to operate and good in fixity, and the light bar is prevented from being warped and warped.
Description
Technical Field
The application relates to the technical field of display panels, in particular to a side-in type backlight module and a display device with the same.
Background
As various electronic products become more and more popular, liquid crystal displays are also used in various fields. The attached mode of lamp strip is used for the formula of inclining more in the present liquid crystal industry, and the attached mode of the formula of inclining lamp strip mainly uses double-sided adhesive to paste, but double-sided adhesive tape's is with high costs, attached process need invest into more manpower and time simultaneously, inefficiency, and high temperature easily becomes flexible under long-term work and drops or the perk, lead to the display to be shaded and appear the bad phenomenon of marginal light leak under finished product complete machine state, seriously influence the use experience of display, and lamp strip after the double-sided adhesive is pasted can not reuse, the cost is higher. Therefore, a new structure for better fixing the light bar is needed.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art. Therefore, the invention provides the side-in type backlight module, the lamp strip is fixed on the back plate through the fastening assembly, the operation is simple, the fixing performance is good, the stabilizing effect is good, and meanwhile, the lamp strip can be conveniently disassembled.
The side-in type backlight module comprises a back plate and a light bar, wherein the back plate comprises a bottom plate and a side plate which are connected with each other, the side plate is provided with a mounting hole, and at least part of the mounting hole is opened outwards from one side of the side plate, which is far away from the bottom plate; backlight unit is still including wearing to locate the fastening components of mounting hole, fastening components includes sleeve and moving part, the sleeve includes along first end and the second end of its length direction distribution, first end rigid coupling is on the lamp strip, the moving part is suitable for from the movably sleeve of wearing to locate of second end, telescopic inner peripheral surface is equipped with first spacing portion, the outer peripheral face of moving part is equipped with spacing portion of second and the spacing portion of third along its length direction interval, backlight unit has locking state and non-locking state, at locking state, the spacing portion block of first spacing portion and second, and the spacing portion of third end supports in the side that the lamp strip was kept away from to the curb plate, at non-locking state, the spacing portion separation of first spacing portion and second, and the spacing portion of third keeps away from the side separation of lamp strip with the curb plate.
According to the side-in type backlight module, the movable piece is moved to change the non-locking state of the movable piece into the locking state, so that the second limiting portion can be embedded with the first limiting portion, the lamp strip is locked with the back plate, the movable piece is moved to change the locking state of the movable piece into the non-locking state, the second limiting portion is separated from the first limiting portion, the lamp strip can be separated from the back plate, the lamp strip can be reused, the operation is simple, the fixing performance is good, especially in a high-temperature state, the fastening assembly cannot deform, the lamp strip is prevented from being warped and warped, and edge light leakage of the side-in type backlight module in a finished product complete machine state is prevented.
According to the side-in type backlight module, the fastening assembly further comprises an elastic element connected with the movable element, the sleeve defines a connecting hole, the elastic element is arranged in the connecting hole in a penetrating mode, the first end comprises a first surface and a second surface which are distributed oppositely along the axial direction of the first end, the light bar is fixedly connected to the first surface, and the elastic element abuts between the second surface and the movable element.
Optionally, the movable member comprises: the expansion pipe is provided with a connecting hole extending along the axial direction, the inner rod is movably clamped in the connecting hole, and the second limiting part is arranged on the outer wall of the expansion pipe.
Alternatively, the inner diameter of the coupling hole is gradually reduced in a direction gradually approaching the elastic member.
Optionally, one end of the inner rod, which is far away from the elastic part, is provided with a fourth limiting part, and the diameter of the fourth limiting part is larger than the maximum inner diameter of the connecting hole.
Optionally, a guide rod is further arranged in the connecting hole, the elastic piece comprises a spring, the spring is sleeved on the guide rod, and when the moving piece is in the locking state, the spring is in the compressed state.
Optionally, the first position-limiting part is configured as a position-limiting groove, the second position-limiting part is configured as a position-limiting protrusion, and the position-limiting protrusion is clamped in the position-limiting groove in the locking state.
Optionally, one side of the limiting protrusion close to the second end is provided with a guide inclined surface, and the guide inclined surface inclines towards the direction gradually close to the first end in the direction gradually away from the movable member.
According to the side-in type backlight module, the mounting hole comprises an assembling hole and a communicating channel, the communicating channel forms a notch at the edge of the side plate, the communicating channel is communicated with the assembling hole, and the communicating channel comprises at least one bending part.
The display device comprises the display panel and the lateral entrance type backlight module, wherein the display panel and the backlight module are oppositely arranged.
According to the display device, the side-in type backlight module can change the movable member from the non-locking state to the locking state by moving the movable member, namely the second limiting portion and the first limiting portion are embedded to enable the light bar to be locked with the back plate, the movable member is moved to enable the movable member to change the locking state to the non-locking state, so that the second limiting portion and the first limiting portion are separated, namely the light bar and the back plate are separated, the light bar can be reused, the operation is simple, the fixing performance is good, particularly, the fastening assembly cannot deform at a high temperature state, the light bar is prevented from warping and warping, and edge light leakage of the side-in type backlight module in a finished product complete machine state is prevented.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic view illustrating a movable member of a side-entry backlight module according to an embodiment of the invention at a second position;
fig. 2 is a schematic view illustrating a movable member of a side-entry backlight module according to an embodiment of the invention at a first position;
FIG. 3 is a perspective view of a partial structure of a side-entry backlight module according to an embodiment of the invention;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is a side view of a side-entry backlight module according to an embodiment of the invention;
fig. 6 is an enlarged view at B in fig. 5.
Reference numerals:
the rear panel 10, the side panel 11, the mounting hole 112, the assembly hole 1122, the communication channel 1124, the bottom panel 12, the light bar 20, the fastening component 30, the elastic member 31, the movable member 32, the expansion pipe 322, the connecting hole 3222, the inner rod 324, the sleeve 33, the first limiting portion 332, the fourth limiting portion 326, the guide rod 34, the second limiting portion 35 and the third limiting portion 36.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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 some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.
The side-in backlight module according to the embodiment of the invention comprises a back plate 10 and a light bar 20.
As shown in fig. 1 to 3, in particular, the back panel 10 includes a bottom panel 12 and a side panel 11 connected to each other, the side panel 11 is provided with a mounting hole 112, and at least a portion of the mounting hole 112 is opened outward from a side of the side panel 11 away from the bottom panel 12; the backlight module further comprises a fastening assembly 30 penetrating through the mounting hole 112, the fastening assembly 30 comprises a sleeve 33 and a moving member 32, the sleeve 33 comprises a first end and a second end distributed along the length direction of the sleeve, the first end is fixedly connected to the light bar 20, the moving member 32 is suitable for movably penetrating through the sleeve 33 from the second end, a first limiting portion 332 is arranged on the inner circumferential surface of the sleeve 33, a second limiting portion 35 and a third limiting portion 36 are arranged on the outer circumferential surface of the moving member 32 along the length direction at intervals, the backlight module has a locking state and a non-locking state, in the locking state, the first limiting portion 332 is clamped with the second limiting portion 35, the third limiting portion 36 is clamped against the side face, far away from the light bar 20, of the side plate 11, in the non-locking state, the first limiting portion 332 is separated from the second limiting portion 35, and the third limiting portion 36 is separated from the side face, far away from the light bar 20, of the side plate 11.
To be unfolded, the light bar 20 is detachably disposed on the side plate 11 through at least one fastening component 30, the light bar 20 is located outside the light incident surface of the light guide plate, the fastening component 30 is fixedly connected with the light bar 20, the moving member 32 has a locking state and a non-locking state, when the moving member 32 is in the locking state, the second limiting portion 35 is clamped with the first limiting portion 332, the third limiting portion 36 abuts against the side surface of the side plate 11, which is far away from the light bar 20, and the third limiting portion 36 abuts against the side plate 11 to limit the position, so that the light bar 20 is fixed on the back plate 10, when the moving member 32 is in the non-locking state, the second limiting portion 35 is separated from the first limiting portion 332, the light bar 20 is loosened from the back plate 10, the fastening component 30 is moved out from the open position of the mounting hole 112, and the light bar 20 and the back plate 10 can be detached. During installation, the fastening assembly 30 is only required to be moved into the installation hole 112 along the opening of the installation hole 112, and the movable element 32 is moved to be in a locking state, so that the assembling and disassembling process is simplified.
In some embodiments, the side-in backlight module includes a plurality of fastening members 30, and the plurality of fastening members 30 are uniformly arranged along the length direction of the light bar 20.
In some embodiments, the third limiting portion 36 extends along the circumferential direction of the expansion tube 322, the light guide plate is a flat cuboid, the light bar 20 faces the side of the light guide plate, the light bar 20 is an LED light bar 20, the light bar 20 is composed of a plurality of LED particles uniformly arranged in a row, the LED particles face the light incident surface of the light guide plate, and scattering dots are distributed on the bottom of the light guide plate, so as to achieve a more uniform light emitting effect.
It is noted that the term "end", whether it is present as a "first end" or a "second end", is not limited to a tip, end or end surface, but also includes a portion extending an axial distance and/or a radial distance from the tip, end or end surface on the sleeve 33.
According to the side-in type backlight module provided by the embodiment of the invention, the movable piece 32 is moved to change the non-locking state of the movable piece 32 into the locking state, so that the second limiting portion 35 and the first limiting portion 332 can be embedded, the light bar 20 and the back plate 10 are locked, the movable piece 32 is moved to change the locking state of the movable piece 32 into the non-locking state, the second limiting portion 35 and the first limiting portion 332 are separated, the separation of the light bar 20 and the back plate 10 can be realized, the light bar 20 can be recycled, the operation is simple, the fixing performance is good, particularly, the fastening component 30 cannot deform in a high-temperature state, the light bar 20 is prevented from being warped and warped, and the edge light leakage of the side-in type backlight module in the whole product state is prevented.
According to the lateral backlight module of the embodiment of the invention, the fastening assembly 30 further includes an elastic member 31 connected to the movable member 32, the sleeve 33 defines a connection hole 3222, the elastic member 31 is disposed through the connection hole 3222, the first end includes a first surface and a second surface which are oppositely distributed along an axial direction thereof, the light bar 20 is fixedly connected to the first surface, and the elastic member 31 is supported between the second surface and the movable member 32.
The movable element 32 has a first position and a second position, when the movable element 32 is located at the first position, the second limit portion 35 is engaged with the first limit portion 332, the light bar 20 is fastened with the back plate 10, when the movable element 32 is located at the second position, the second limit portion 35 is disengaged from the first limit portion 332, the light bar 20 is loosened from the back plate 10, when the movable element 32 moves from the second position toward the first position, the movable element 32 gradually approaches the elastic element 31, when the movable element 32 moves from the first position toward the second position, the movable element 32 gradually leaves away from the elastic element 31, when the movable element 32 receives an external force to disengage the second limit portion 35 from the first limit portion 332, when the movable element 32 deviates from the second position, the elastic element 31 provides a driving force for the movable element 32 to move toward the second position, when the driving force is greater than the resistance applied to the movable element 32, the movable element 32 is driven to return to the second position, and then the fastening element 30 is only required to be taken out, so that the light bar 20 and the back plate 10 can be disassembled, and when the movable element 32 is installed, only required to move to the first position, thereby simplifying the disassembling process.
It should be noted that the "first position" and the "second position" are both defined positions, and are only for describing the relative position relationship between the movable member 32 and other components when the light bar 20 is locked with the back plate 10 and the light bar 20 is unlocked with the back plate 10.
According to the side-in type backlight module provided by the embodiment of the invention, the second limit portion 35 and the first limit portion 332 can be clamped by pressing the movable piece 32 to push the movable piece 32 from the second position to the first position, so that the light bar 20 is locked with the back plate 10, the movable piece 32 is pulled to separate the second limit portion 35 from the first limit portion 332, the elastic piece 31 can continuously push the movable piece 32 to move towards the second position until the movable piece 32 stops at the second position, the fastening component 30 is taken out, so that the separation of the light bar 20 from the back plate 10 can be realized, the light bar 20 can be recycled, the operation is simple, the fixing performance is good, especially, the fastening component 30 cannot deform in a high-temperature state, the light bar 20 is prevented from curling and warping, the side-in type backlight module is prevented from edge light leakage in a finished product state, in addition, the cooperation of the fastening component 30 and the connecting hole 2 can realize positioning of the light bar 20, the dislocation during installation of the light bar 20 is prevented, and the positioning structure during installation of the light bar 20 is simplified.
According to the side-in backlight module of the embodiment of the invention, as shown in fig. 1 and fig. 2, the movable member 32 includes an expansion tube 322 and an inner rod 324.
Specifically, the expansion tube 322 has a connecting hole 3222 extending in the axial direction, the inner rod 324 is movably clamped in the connecting hole 3222, the expansion tube 322 can be deformed when supported by the inner rod 324, the expansion tube 322 can be restored to its original shape when separated from the support of the inner rod 324, and the second limiting portion 35 is disposed on the outer wall of the expansion tube 322.
The inner rod 324 can move along the axial direction of the expansion pipe 322, the inner rod 324 is located at the second position, and when the expansion pipe 322 is pressed, the expansion pipe moves towards the direction gradually close to the elastic member 31, at the moment, the expansion pipe 322 moves simultaneously along with the movement of the inner rod 324, and after the expansion pipe 322 is deformed by the top support of the inner rod 324 so that the second limiting portion 35 is close to the first limiting portion 332 and is clamped with the first limiting portion 332, the inner rod 324 moves in place, and the positions of the expansion pipe 322 and the inner rod 324 are the 'first position' position of the movable member 32.
When the inner rod 324 is moved in a direction away from the elastic member 31 by an external force, along with the movement of the inner rod 324, the expansion tube 322 is restored when being separated from the jacking of the inner rod 324, at least a part of the second limiting portion 35 is separated from the first limiting portion 332 at this time, under the driving force of the elastic member 31, the second limiting portion 35 is completely separated from the first limiting portion 332, and the expansion tube 322 moves in a direction away from the elastic member 31 until the expansion tube 322 is located at the "second position" of the movable member 32.
In some embodiments, the inner diameter of the coupling hole 3222 is gradually reduced in a direction gradually approaching the elastic member 31. Because the inner diameter of the connecting hole 3222 gradually decreases, there is relative displacement between the inner rod 324 and the expansion tube 322, when the inner rod 324 is subjected to an external force and moves toward a direction gradually approaching the elastic member 31, the inner rod 324 gradually increases the jacking of the expansion tube 322, so as to shorten the length of the moving friction between the expansion tube 322 and the sleeve 33, and when the inner rod 324 is subjected to an external force and moves toward a direction away from the elastic member 31, the inner rod 324 gradually decreases the jacking of the expansion tube 322, so as to shorten the length of the moving friction between the expansion tube 322 and the sleeve 33.
In order to simplify the structural arrangement, the cross-sectional area of the main body portion of the inner rod 324 is equal at each location along the axial direction, so that the inner rod 324 and the expansion tube 322 are prevented from being clamped, and thrust is saved.
In any cross section of the expansion pipe 322 along the axial direction thereof, an included angle between a side wall of the expansion pipe 322 and an axis of the expansion pipe 322 is alpha, and alpha satisfies: 0 DEG < alpha < 10 deg.
Wherein, α may be 2 °, 4 °, 6 °, 8 °, 10 °, and the like.
As shown in fig. 1 and fig. 2, according to the side-entry backlight module of the embodiment of the invention, the end of the expansion tube 322 far away from the back plate 10 is provided with the third limiting portion 36, the end of the inner rod 324 far away from the elastic member 31 is provided with the fourth limiting portion 326, and the diameter of the fourth limiting portion 326 is greater than the maximum inner diameter of the connection hole 3222, so as to prevent the inner rod 324 from pushing to be too close to the elastic member 31, so that the inner rod 324, the expansion tube 322 and the hole wall of the connection hole 3222 are jammed, thereby achieving the mounting fool-proof effect.
In some embodiments, the fourth stop portion 326326 extends in the circumferential direction of the inner rod 324.
In some embodiments, a movable guiding rod 34 is further disposed in the connecting hole 3222, the guiding rod 34 is disposed opposite to the inner rod 324, the elastic member 31 includes a spring, the spring is sleeved on the guiding rod 34, and the spring is in a compressed state when the movable member 32 is in the locked state.
Specifically, as shown in fig. 1 and 2, a portion of the guide rod 34 extends out of the connecting hole 3222, the spring is sleeved on the portion of the guide rod 34 extending out of the connecting hole 3222, the spring is in a compressed state when the movable member 32 is in the locked state, and the spring is reset to provide a driving force for the expansion tube 322 to move toward the second end when the inner rod 324 is withdrawn.
In some embodiments, the guide rod 34, the expansion tube 322, and the inner rod 324 are all plastic parts, which can reduce the production cost.
According to the lateral rear panel 10 module of the embodiment of the invention, one side of the limiting protrusion close to the second end is provided with a guiding inclined surface, and the guiding inclined surface inclines towards the direction gradually close to the first end in the direction gradually away from the movable element 32.
It should be noted that the guiding inclined plane may be configured as a smooth arc surface, or may be configured as a plane surface to enable guiding, and the application is not limited thereto.
In some embodiments, as shown in fig. 1 and 2, the first position-limiting portion 332 is configured as a position-limiting groove, and the second position-limiting portion 35 is configured as a position-limiting protrusion, and the position-limiting protrusion is clamped in the position-limiting groove in the locked state.
Specifically, when the expansion tube 322 deviates from the first position, the second position-limiting portion 35 is pressed by the hole wall of the connecting hole 3222, and when the inner rod 324 is pressed at the second position, the second position-limiting portion moves toward the direction gradually approaching the elastic member 31, at this time, the expansion tube 322 moves simultaneously with the movement of the inner rod 324 until the positions of the expansion tube 322 and the inner rod 324 are the "first position" of the movable member 32, and the second position-limiting portion 35 is separated from the limit of the hole wall of the connecting hole 3222 and is clamped in the position-limiting groove.
When the inner rod 324 moves in a direction away from the elastic part 31 under the action of external force, the inner rod 324 gradually reduces the propping to the expansion pipe 322, along with the movement of the inner rod 324, the expansion pipe 322 recovers when being separated from the propping of the inner rod 324, at the moment, the limiting protrusion is driven by the pipe wall of the expansion pipe 322 to be at least partially separated from the limiting groove, and under the driving force of the elastic part 31, the limiting protrusion is completely separated from the limiting groove.
In some embodiments, moveable member 32 moves in a first direction between a first position and a second position, a side of the retaining groove distal from expansion tube 322 is open, the retaining groove has a length L in the first direction, and the retaining protrusion has a length D in the first direction, wherein L and D satisfy: l ≧ 1.2D. So set up, can make the side income formula backplate 10 module dispel the heat through spacing recess.
It can be understood that the width of the limiting groove along the second direction is more than or equal to 1.2 times of the width of the limiting protrusion along the second direction, wherein the first direction is perpendicular to the second direction.
In some embodiments, the first position-limiting portion 332 includes one, the second position-limiting portion 35 includes a plurality of portions, one first position-limiting portion 332 is matched with the plurality of second position-limiting portions 35, and the plurality of second position-limiting portions 35 are uniformly distributed along the circumference of the expansion tube 322. So, can increase the area of first spacing portion 332, increase the area of spacing recess promptly to promote the heat-sinking capability of spacing recess.
According to the side-in type backlight module of the embodiment of the invention, as shown in fig. 3-6, the mounting hole 112 includes a mounting hole 1122 and a communication channel 1124, the communication channel 1124 forms a notch at an edge of the side plate 11, the communication channel 1124 communicates with the mounting hole 1122, and the communication channel 1124 includes at least one bending portion. Thereby preventing the fastening assembly 30 from coming out of the fitting hole 1122 along the communication passage 1124. For example, as shown in fig. 6, the bent portion is configured in an L-shape.
In some embodiments, the communication channel 1124 includes a plurality of bent portions, the bent portions are connected end to end, and the bent portions may be further configured in an arc shape.
In some embodiments, the other end of the communication passage 1124 is provided with a counterbore.
The display device comprises the display panel and the side-in type backlight module, wherein the display panel and the side-in type backlight module are oppositely arranged.
According to the display device of the embodiment of the invention, the side-in type backlight module can change the moving part 32 from the non-locking state to the locking state by moving the moving part 32, namely, the second limiting part 35 and the first limiting part 332 are embedded to enable the light bar 20 and the back plate 10 to be locked, the moving part 32 is moved to enable the moving part 32 to change the locking state to the non-locking state, so that the second limiting part 35 and the first limiting part 332 are separated to enable the light bar 20 and the back plate 10 to be separated, the light bar 20 can be recycled, the operation is simple, the fixing performance is good, especially in a high-temperature state, the fastening component 30 cannot deform, the light bar 20 is prevented from being warped, and the edge of the side-in type backlight module is prevented from being raised in a finished product state.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. 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 description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Claims (10)
1. A side-in type backlight module comprises a back plate and a light bar, wherein the back plate comprises a bottom plate and a side plate which are connected with each other,
the side plate is provided with a mounting hole, and at least part of the mounting hole is opened outwards from one side of the side plate, which is far away from the bottom plate;
the backlight module also comprises a fastening component which is arranged in the mounting hole in a penetrating way, the fastening component comprises a sleeve and a moving part, the sleeve comprises a first end and a second end which are distributed along the length direction of the sleeve, the first end is fixedly connected to the lamp strip, the moving part is suitable for being movably arranged in the sleeve in a penetrating way from the second end, the inner circumferential surface of the sleeve is provided with a first limiting part, the outer circumferential surface of the moving part is provided with a second limiting part and a third limiting part at intervals along the length direction,
the backlight module is provided with a locking state and a non-locking state, in the locking state, the first limiting part is clamped with the second limiting part, the third limiting part is abutted against the side face, far away from the light bar, of the side plate, in the non-locking state, the first limiting part is separated from the second limiting part, and the third limiting part is separated from the side face, far away from the light bar, of the side plate.
2. The edge-type backlight module of claim 1, wherein the fastening assembly further comprises an elastic member connected to the movable member, the sleeve defines a connection hole, the elastic member is inserted into the connection hole, the first end includes a first surface and a second surface that are axially and oppositely disposed, the light bar is fixedly connected to the first surface, and the elastic member is disposed between the second surface and the movable member.
3. The edge-type backlight module of claim 2, wherein the movable member comprises:
the expansion pipe is provided with a connecting hole extending along the axial direction, the inner rod is movably clamped in the connecting hole, and the second limiting part is arranged on the outer wall of the expansion pipe.
4. The edge-type backlight module of claim 3, wherein the inner diameter of the connecting hole gradually decreases in a direction approaching the elastic member.
5. The edge-type backlight module of claim 4, wherein a fourth position-limiting portion is disposed at an end of the inner rod away from the elastic member, and a diameter of the fourth position-limiting portion is greater than a maximum inner diameter of the connecting hole.
6. The edge-lit backlight module of claim 3, wherein a guide rod is further disposed in the connecting hole, the elastic member comprises a spring, the spring is sleeved on the guide rod, and when the movable member is in the locked state, the spring is in a compressed state.
7. The lateral backlight module of claim 2, wherein the first position-limiting portion is configured as a position-limiting groove, the second position-limiting portion is configured as a position-limiting protrusion, and the position-limiting protrusion is engaged with the position-limiting groove in the locked state.
8. The edge-type backlight module of claim 7, wherein a side of the limiting protrusion near the second end has a guiding slope, and the guiding slope is inclined toward the first end in a direction gradually away from the movable member.
9. The lateral backlight module of claim 1, wherein the mounting holes comprise assembly holes and communication channels, the communication channels form gaps at edges of the side plates, the communication channels communicate with the assembly holes, and the communication channels comprise at least one bending portion.
10. A display device, comprising a display panel and the side-in backlight module as claimed in any one of claims 1 to 9, wherein the display panel and the backlight module are disposed opposite to each other.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211042572.7A CN115291436B (en) | 2022-08-29 | 2022-08-29 | Side-in type backlight module and display device with same |
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| CN202211042572.7A CN115291436B (en) | 2022-08-29 | 2022-08-29 | Side-in type backlight module and display device with same |
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| CN115291436B CN115291436B (en) | 2023-06-30 |
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| JP2005284106A (en) * | 2004-03-30 | 2005-10-13 | Tama Fine Opto Co Ltd | Back light unit, liquid crystal display device, and frame member |
| WO2014008687A1 (en) * | 2012-07-13 | 2014-01-16 | 深圳市华星光电技术有限公司 | Led backlight module |
| CN111965899A (en) * | 2020-09-09 | 2020-11-20 | 谷麦光电科技股份有限公司 | Combined type backlight structure of vehicle-mounted display screen |
| CN213659144U (en) * | 2020-11-13 | 2021-07-09 | 苏州汉瑞森光电科技股份有限公司 | Novel LED backlight |
| CN215376021U (en) * | 2021-09-13 | 2021-12-31 | 常州新思维电子股份有限公司 | LED backlight source mounting structure |
| CN217007911U (en) * | 2022-03-30 | 2022-07-19 | 山东友腾达科技有限公司 | Backlight module frame and backlight module |
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2022
- 2022-08-29 CN CN202211042572.7A patent/CN115291436B/en active Active
Patent Citations (6)
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|---|---|---|---|---|
| JP2005284106A (en) * | 2004-03-30 | 2005-10-13 | Tama Fine Opto Co Ltd | Back light unit, liquid crystal display device, and frame member |
| WO2014008687A1 (en) * | 2012-07-13 | 2014-01-16 | 深圳市华星光电技术有限公司 | Led backlight module |
| CN111965899A (en) * | 2020-09-09 | 2020-11-20 | 谷麦光电科技股份有限公司 | Combined type backlight structure of vehicle-mounted display screen |
| CN213659144U (en) * | 2020-11-13 | 2021-07-09 | 苏州汉瑞森光电科技股份有限公司 | Novel LED backlight |
| CN215376021U (en) * | 2021-09-13 | 2021-12-31 | 常州新思维电子股份有限公司 | LED backlight source mounting structure |
| CN217007911U (en) * | 2022-03-30 | 2022-07-19 | 山东友腾达科技有限公司 | Backlight module frame and backlight module |
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| CN115291436B (en) | 2023-06-30 |
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