CN210488191U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
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- CN210488191U CN210488191U CN201921361287.5U CN201921361287U CN210488191U CN 210488191 U CN210488191 U CN 210488191U CN 201921361287 U CN201921361287 U CN 201921361287U CN 210488191 U CN210488191 U CN 210488191U
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Abstract
The utility model provides a backlight module and display device belongs to and shows technical field. The utility model provides a pair of backlight unit includes lamp strip, light guide plate and backplate structure. The light guide plate is arranged on the first bottom plate, at least one opening is formed in the side portion, and the opening is used for containing the plurality of light-emitting devices on the light bar, so that light emitted by the plurality of light-emitting devices can be irradiated into the light guide plate. The utility model provides a backlight unit is through trompil on the lateral part of backplate structure to hold a plurality of luminescent device on the lamp strip, thereby if the distance between lamp strip or adjusting lamp strip and the light guide plate need be maintained, can dismantle the lamp strip from backlight unit through the trompil and maintain or adjust.
Description
Technical Field
The utility model belongs to the technical field of show, concretely relates to backlight module and display device.
Background
Currently, as shown in fig. 1, a liquid crystal display Module (LCD Module, LCM) generally includes a backlight Module 01 and a display panel 02, and the backlight Module (01) generally includes: a rear panel 011, a white reflective sheet 012 disposed over the rear panel 011, a light guide plate 013 disposed over the white reflective sheet 012, a light bar (lightbank) 014 disposed over the rear panel 011, and the like. The light bar 014 is disposed on a side surface of the light guide plate 013 and maintains a predetermined relative position to the light guide plate 013. The backboard 011 comprises a bottom plate 0111 and two bending structures, wherein the first bending structure 0112 is perpendicular to the plane of the bottom plate and is connected to the outermost side of the bottom plate 0111; the second structure of bending 0113 is on a parallel with the plane of bottom plate 0111, connects in the one end that first structure of bending 0112 deviates from bottom plate 0111, and extends to the direction that is close to bottom plate 0111. The base plate 0111 forms an inverted U-shaped holding structure (LGP holder) with the two angled structures.
In the process of assembling the backlight module 01, the light bar 014 is placed into the inverted U-shaped portion of the clamping structure and is disposed on the bottom plate 0111 of the backplane 011, and then the light guide plate 013 is aligned with the light bar 014, and then the clamping structure is used to clamp the light guide plate 013 to fix the relative position of the light guide plate 013 and the light bar 014.
The inventor finds that at least the following problems exist in the prior art: after the lcd module is assembled, if the components of the light bar 014 are damaged, the light bar 014 needs to be maintained, or the relative positions of the light guide plate 013 and the light bar 014 are changed, the positions of the light guide plate 013 and the light bar 014 need to be adjusted, because the light bar 014 is disposed in the clamping structure, and the light guide plate 013 is clamped by the clamping structure, the light bar 014 or the position between the light bar 014 and the light guide plate 013 needs to be maintained, the backlight module 01 and the display panel 02 need to be separated first, then the components of the entire backlight module 01 are disassembled one by one, the light bar 014 and the light guide plate 013 can be maintained or adjusted, and then the backlight module 01 is reassembled.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least, provide a backlight unit, it is through the lateral part trompil at the backplate structure to can maintain or adjust the distance between lamp strip and the light guide plate to the lamp strip under the basis of not dismantling other parts among the backlight unit.
Solve the utility model discloses technical scheme that technical problem adopted is a backlight unit, include: the light bar, the light guide plate and the back plate structure; wherein the content of the first and second substances,
the light bar is provided with a plurality of light emitting devices and is arranged on one side of the light guide plate;
the back plate structure comprises a first bottom plate and a side part connected with the first bottom plate, the light guide plate is arranged on the first bottom plate, at least one opening is formed in the side part, and the opening is used for accommodating a plurality of light emitting devices on the light bar, so that light emitted by the light emitting devices can be irradiated into the light guide plate.
The utility model provides an above-mentioned backlight unit, through trompil on the lateral part of backplate structure, with a plurality of luminescent device on holding the lamp strip, thereby if the distance between lamp strip or adjusting lamp strip and the light guide plate needs to be maintained, can dismantle the lamp strip from backlight unit and maintain through the trompil, or through the distance between trompil adjusting lamp strip and the light guide plate, avoid needing to dismantle whole backlight unit and just can maintain the lamp strip, thereby avoid causing the damage of other parts in backlight unit at the in-process of dismantling backlight unit.
Preferably, the side portion is disposed on a side of the light guide plate close to the light bar and extends in a direction away from the first bottom plate.
Preferably, the back plate structure further includes an upper portion connected to an end of the side portion facing away from the first bottom plate, parallel to the first bottom plate, and extending in a direction away from the light guide plate.
Preferably, the back plate structure further comprises an upper portion connected to an end of the side portion facing away from the first bottom plate, parallel to the first bottom plate, and extending in a direction close to the light guide plate;
the first bottom plate, the side parts and the upper part form a first clamping structure for clamping the light guide plate so as to fix the relative position of the light guide plate and the light bar.
Preferably, the number of the openings on the side portion corresponds to the number of the plurality of light emitting devices; and the shape of each opening is matched with each light-emitting device.
Preferably, the plurality of light emitting devices define a light exit area;
the side part is provided with an opening, and the shape of the opening is matched with the light outlet area.
Preferably, the present invention provides an above backlight module further comprising: a support structure, the support structure comprising: a second base plate, a first portion and a second portion;
the second bottom plate is arranged opposite to the side part, the first part and the second part are connected with the side part, and the light bar is arranged on the second bottom plate;
the first part is connected to one end of the second bottom plate close to the first bottom plate, the second part is connected to one end of the second bottom plate far away from the first bottom plate, and the first part and the second part extend towards the direction close to each other;
the second bottom plate, the first part and the second part form a second clamping structure for clamping the light bar so as to fix the relative position of the light bar and the light guide plate.
Preferably, the present invention provides an above backlight module further comprising: the circuit board is used for driving the backlight module;
the support structure further comprises a support structure connected with the first base plate, and the circuit board is arranged on the support structure.
Preferably, the present invention provides an above backlight module further comprising: and a reflective layer disposed between the first base plate and the light guide plate.
Correspondingly, the utility model also provides a display device, including the aforesaid arbitrary backlight unit.
Drawings
FIG. 1 is a schematic structural diagram of a backlight module and a display panel in the prior art;
fig. 2 is a schematic structural diagram of an embodiment of a backlight module according to the present invention;
fig. 3 is a side view of a back plate structure and a light bar in an embodiment of the backlight module provided by the present invention;
fig. 4 is a side view of a back plate structure and a light bar in another embodiment of the backlight module provided by the present invention;
fig. 5 is a schematic structural diagram of a display device to which an embodiment of the backlight module according to the present invention is applied;
fig. 6 is a schematic structural diagram of a display device to which another embodiment of the backlight module according to the present invention is applied;
fig. 7 is a top view of a supporting structure in an embodiment of a backlight module provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The shapes and sizes of the various elements in the drawings are not to scale and are merely intended to facilitate an understanding of the contents of the embodiments of the present invention.
As shown in fig. 2, the present embodiment provides a backlight module, which includes: a light bar (lightbar set)1, a Light Guide Plate (LGP) 2, and a back plate structure (back bezel) 3.
Wherein, be provided with a plurality of luminescent device 11 on lamp strip 1, and lamp strip 1 sets up in 2 one sides of light guide plate. The back plate structure 3 includes a first bottom plate 31 and a side portion 32 connected to the first bottom plate 31, the light guide plate 3 is disposed on the first bottom plate 31, the side portion 32 of the back plate structure 3 has at least one opening 321, and the opening 321 is used for accommodating the plurality of light emitting devices 11 on the light bar 1, so that light emitted from the plurality of light emitting devices 11 can be irradiated into the light guide plate 2.
It should be noted that the side portion 32 of the back plate structure 3 is disposed at the edge of the first bottom plate 31, and extends in an upward direction away from the first bottom plate 31. The light guide plate 2 is disposed on the first base plate 31 and surrounded therein by the side portions 32 of the back plate structure 3.
It should be noted that the light guide plate 2 may include a polygonal light guide plate, and the light bars 1 are adjacently disposed on at least one side edge of the light guide plate 2. For example, the light guide plate 2 may be a rectangular light guide plate having 4 sides, and the light bars 1 are adjacently disposed on at least one side of the rectangular light guide plate, and specifically, may be designed as required, and is not limited herein.
In the backlight module provided by this embodiment, backlight module is in the transportation or use, lamp strip 1 in backlight module is likely to take place to damage, or the distance between lamp strip 1 and light guide plate 2 is likely to change, through trompil on lateral part 32 of backplate structure 3, with a plurality of light emitting device on holding lamp strip 1, thereby if need maintain lamp strip 1 or adjust the distance between lamp strip 1 and light guide plate 2, only need to maintain lamp strip 1 after dismantling backlight module through trompil 321, or adjust the distance between lamp strip 1 and light guide plate 2 through trompil 321, avoid needing to dismantle whole backlight module and just can maintain lamp strip 1, thereby avoid causing the damage of other parts in backlight module at the in-process of dismantling backlight module.
Specifically, the side portion 32 of the back plate structure 3 is disposed on a side of the light guide plate 2 close to the light bar 1, and the side portion 32 of the back plate structure 3 extends in a direction away from the first bottom plate 31, for example, may extend in a direction perpendicular to the first bottom plate 31.
Specifically, the side portion 32 of the back plate structure 3 may have one or more openings 321, and the number and shape of the openings 321 may be designed according to the requirement, and are not limited herein. The following examples are given.
In a first way,
Referring to fig. 2 and 3, fig. 3(a) is a side view of the back plate structure 3 in the present embodiment, fig. 3(B) is a side view of the light bar 1 in the present embodiment, the back plate structure 3 in fig. 2 can be a cut-away view of the back plate structure 3 shown in fig. 3 along a-B direction, the number of the openings 321 on the side portion 32 of the back plate structure 3 corresponds to the number of the plurality of light emitting devices 11 in the light bar 1, and the shape of each opening 321 is adapted to each light emitting device 11. For example, if there are 5 light emitting devices 11 on the light bar 1, there are 5 openings 321 on the side portion 32 of the back plate structure 3, and the shape of the openings 321 is adapted to the light emitting devices 11, and the distance between two adjacent openings 321 is also adapted to the distance between two adjacent light emitting devices 11, so that the 5 openings 321 on the side portion 32 of the back plate structure 3 can respectively accommodate the 5 light emitting devices 11 on the light bar 1, and the light emitted from the light bar 1 can be irradiated into the light guide plate 2.
The second way,
Referring to fig. 2 and 4, fig. 4(a) is a side view of the back plate structure 3 in the embodiment, fig. 4(b) is a side view of the light bar 1 in the embodiment, the back plate structure 3 in fig. 2 can be a cross-sectional view of the back plate structure 3 shown in fig. 4 along a direction C-D, a plurality of light emitting devices 11 on the light bar 1 define a light exit area 101, and a side portion 32 of the back plate structure 3 has an opening 321', which is shaped to fit the light exit area 101. For example, if the light bar 1 has 5 light emitting devices 11, 5 light emitting devices 11 define a rectangular light exiting region 101, and the length L of the long side of the light exiting region 101 is equal to the width L of the 5 light emitting devices 11 in the direction parallel to the long side of the light exiting region1Sum of the sum, plus the spacing L between every two adjacent light emitting devices of the 5 light emitting devices2And (4) summing. The length H of the short side of the light emergent region is equal toWidth H of 5 light emitting devices in a direction parallel to a short side of the light exit region1. The side portion 32 of the back plate structure 3 has an opening 321', and the shape of the opening 321' is matched with the light emitting area 101 defined by the 5 light emitting devices 11, that is, the shape of the opening 321' is also a rectangle, the length of the long side of the rectangle opening is greater than or equal to the light emitting area 101, and the length of the short side of the rectangle opening is greater than or equal to the light emitting area 101, so that the rectangle opening can accommodate the 5 light emitting devices 11 on the light bar, and the light emitted by the light bar 1 can be irradiated into the light guide plate 2.
To sum up, if the backlight unit that this embodiment provided is applied to display device, to different display device, required luminous intensity is also different, lateral part 32 through backplate structure 3 sets up trompil 321 in backlight unit, and trompil 321 is used for holding a plurality of light emitting device 11 on lamp strip 1, thereby if display device's luminous intensity demand changes, can directly dismantle lamp strip 1 from backlight unit through trompil 321, adjust the quantity of light emitting device 11 or light emitting device 11's luminous intensity again, in order to satisfy display device's luminous intensity demand.
Optionally, as shown in fig. 2, the light bar 1 may further include a light bar circuit board 12, the plurality of light emitting devices 11 are disposed on the light bar circuit board 12, and the light bar circuit board 12 is configured to drive the plurality of light emitting devices 11.
Alternatively, the plurality of light emitting devices 11 disposed on the light bar circuit board 12 may include Light Emitting Diodes (LEDs), and the plurality of light emitting devices 11 may be any type of LEDs, such as Micro LEDs (Micro LEDs), submillimeter LEDs (Mini LEDs), or the like. Of course, the plurality of light emitting devices 11 may be other types of light emitting devices as long as the principle of the present embodiment is satisfied, and the present invention is not limited thereto.
Alternatively, the light bar Circuit board 12 may be a Flexible Printed Circuit (FPC), a driving substrate, or the like. Of course, the light bar circuit board 12 may be other types of circuit boards as long as the principle of the present embodiment is met, and is not limited herein.
Optionally, as shown in fig. 2, the backlight module provided in this embodiment may further include: reflecting layer 4, this reflecting layer 4 can be White Reflector (White Reflector), for example, reflecting layer 4 sets up between first bottom plate 31 and light guide plate 2 of backplate structure 3, after the illumination that lamp strip 1 sent shines into in the light guide plate 2, also can shine on first bottom plate 31, consequently, set up reflecting layer 4 between first bottom plate 31 and light guide plate 2, can shine into in the light guide plate 2 through reflecting layer 4 with the light reflection that shines originally on first bottom plate 31, the light that has avoided lamp strip 1 to send is absorbed by first bottom plate 31 and influences the light-emitting rate of lamp strip 1.
Optionally, as shown in fig. 2, the backlight module provided in this embodiment may further include: optical film (optical films)5, optical film 5 can set up on light guide plate 2, and the light that lamp strip 1 sent shines into optical film 5 after the light that is perpendicular to first bottom plate 31 is ascending for the refraction of light guide plate 2, and optical film 5 is arranged in turning into the area source with the pointolite that light guide plate 2 sent, makes the light-emitting more even.
Optionally, as shown in fig. 2, the light guide plate includes a display area and an edge area, and the backlight module provided in this embodiment may further include: the edge area reflector plate 6 is arranged on the edge area of the light guide plate 2 and used for reflecting light in the edge area of the light guide plate 2 into the light guide plate 2 after the light of the light bar 1 is irradiated into the light guide plate 2, so that light leakage at the edge of the light guide plate 2 is avoided, and the light emitting rate of the light bar 1 is influenced.
Optionally, as shown in fig. 5, in the backlight module provided in this embodiment, the back plate structure 3 may further include an upper portion 33, the upper portion 33 of the back plate structure 3 is connected to an end of the side portion 32 of the back plate structure 3 away from the first bottom plate 31, and the upper portion 33 of the back plate structure 3 may be parallel to the first bottom plate 31 and extend in a direction away from the light guide plate 2. Through the upper portion 33 that is parallel to back plate structure 3 setting in first bottom plate 31, and extend the upper portion 33 of back plate structure 3 in the direction of keeping away from light guide plate 2 backward, make the light guide plate 2 that sets up on first bottom plate 31 not receive the sheltering from of back plate structure 3's upper portion 33 to at the in-process of equipment backlight unit, can more conveniently counterpoint light guide plate 2 and lamp strip 1, and can direct observation to the counterpoint condition of light guide plate 2 and lamp strip 1.
Optionally, as shown in fig. 6, in the backlight module provided in this embodiment, the back plate structure 3 may further include an upper portion 33, the upper portion 33 of the back plate structure 3 is connected to an end of the side portion 32 of the back plate structure 3 away from the first bottom plate 31, and the upper portion 33 of the back plate structure 3 may be parallel to the first bottom plate 31 and extend toward the light guide plate 2. Thereby the first bottom plate 31 of structure 3 in a poor light, lateral part 32 of backplate structure 3 and the upper portion 33 of backplate structure 3 form a first clamping structure, and this first clamping structure is used for centre gripping light guide plate 2, makes light guide plate 2 be difficult for taking place the displacement to fix the relative position of light guide plate 2 and lamp strip 1 better, avoid changing because of the relative position between lamp strip 1 and the light guide plate 2, and influence the light-emitting rate of lamp strip 1.
Optionally, as shown in fig. 5, 6, and 7, fig. 7 is a top view of the support structure 7, and the support structure in fig. 5 and 6 may be a cross-sectional view of the support structure shown in fig. 7 along the direction E-F, where the backlight module provided in this embodiment may further include: a support structure 7. The support structure may include: a second bottom plate 71, a first portion 72 and a second portion 73.
Specifically, the second bottom plate 71 of the bracket structure 7 is disposed opposite to the side portion 32 of the back panel structure 3, the first portion 72 of the bracket structure 7 and the second portion 73 of the bracket structure 7 are connected to the side portion 32 of the back panel structure 3, and the light bar 1 is disposed on the second bottom plate 71 of the bracket structure 7. The first part 72 of the bracket structure 7 is attached to the end of the second bottom plate 71 of the bracket structure 7 near the first bottom plate 31 of the back plate structure 3, the second part 73 of the bracket structure 7 is attached to the end of the second bottom plate 71 of the bracket structure 7 facing away from the first bottom plate 31 of the back plate structure 3, and the first part 72 of the bracket structure 7 and the second part 73 of the bracket structure 7 extend in a direction towards each other.
The second bottom plate 71 of the support structure 7, the first portion 72 of the support structure 7 and the second portion 73 of the support structure 7 form a second clamping structure, and the second clamping structure is used for clamping the light bar 1, so that the light bar 1 is not easy to displace, the relative position between the light bar 1 and the light guide plate 2 is fixed, and the influence on the light-emitting rate of the light bar 1 caused by the change of the relative position between the light bar 1 and the light guide plate 2 is avoided.
Alternatively, as shown in fig. 5 and 6, the first portion 72 of the support structure 7 may include a lower corner structure, and the second portion 73 of the support structure 7 may include an upper corner structure, the upper corner structure and the lower corner structure being oppositely disposed. The lower corner structure comprises a first substructure and a second substructure, the first substructure is connected to one end of the second bottom plate 71 of the support structure 7 close to the first bottom plate 31 of the back plate structure 3, is parallel to the first bottom plate 31 of the back plate structure 3, and is arranged in the same layer as the first bottom plate 31 of the back plate structure 3; the second substructure is connected to the first substructure at an end of the first substructure close to the first base plate 31 of the backplane structure 3 and perpendicular to the first base plate 31 of the backplane structure 3. The upper corner structure comprises a third substructure and a fourth substructure, the third substructure is connected to an end of the second bottom plate 71 of the support structure 7 facing away from the first bottom plate 31 of the back plate structure 3 and is parallel to the first bottom plate 31 of the back plate structure 3; the fourth substructure is connected to the third substructure at an end close to the side 32 of the back-plate structure 3 and perpendicular to the first bottom plate 31 of the back-plate structure 3. The fourth substructure and the second substructure extend in a direction towards each other. The fourth substructure is connected to the side 32 of the back-plate structure 3 and the third substructure is connected to the side 32 of the back-plate structure 3.
Further, as shown in fig. 5, if the backlight module provided in this embodiment is applied to a display device, the display device may further include a display panel 8, the display panel 8 and the backlight module are disposed opposite to each other and connected by an adhesive layer 9, and the adhesive layer 9 is disposed in an edge area of the display panel 8 and the backlight module. If the display device is a liquid crystal display panel, specifically, the direction from the backlight module to the display panel 8 away from the backlight module may include: a lower polarizer 81, an Array substrate 82 disposed on the lower polarizer 81, and a color filter substrate (CF) 83 disposed on the Array substrate 82, wherein the color filter substrate 83 further includes a black matrix layer 831, and an upper polarizer 84 disposed on the color filter substrate 83. The area of the lower polarizer 81 is smaller than that of the array substrate 82, the adhesive layer 9 may be disposed at an edge region of the array substrate 82, and the backlight module is connected to the display panel 8 through the adhesive layer 9.
Optionally, with reference to fig. 5 and 7, in the backlight module provided in this embodiment, if the upper portion 33 of the back plate structure 3 is connected to one end of the side portion 32 of the back plate structure 3 away from the first bottom plate 31, the upper portion 33 of the back plate structure 3 is parallel to the first bottom plate 31 and extends in a direction away from the light guide plate 2, and the specific structure of the supporting structure 7 is as described above, the supporting structure 7 is disposed below the upper portion 33 of the back plate structure 3, the supporting structure 7 is connected to the upper portion 33 of the back plate structure 3 and is connected to the side portion 32 of the back plate structure 3, the adhesive layer 9 may be disposed on the upper portion 33 of the back plate structure 3, and the display panel 8 is connected to the backlight module through the adhesive layer 9, so that the upper portion 33 of the back plate structure 3 and the supporting structure 7 support the display panel 8 together, and the supporting.
Optionally, with reference to fig. 6 and 7, in the backlight module provided in this embodiment, if the upper portion 33 of the back plate structure 3 is connected to one end of the side portion 32 of the back plate structure 3 away from the first bottom plate 31, the upper portion 33 of the back plate structure 3 is parallel to the first bottom plate 31 and extends toward a direction close to the light guide plate 2, and the specific structure of the supporting structure 7 is as described above, the supporting structure 7 is connected to the side portion 32 of the back plate structure 3, and the second portion 73 of the supporting structure 7 and the upper portion 33 of the back plate structure 3 are disposed on the same layer, and both form a plane, the adhesive layer 9 may be disposed on the plane, and the display panel 8 is connected to the backlight module through the adhesive layer 9, so that the upper portion 33 of the back plate structure 3 and the second portion 73 of the supporting structure 7 support the display panel 8 together, and the. And the plane formed by the second part 73 of the support structure 7 and the upper part 33 of the back plate structure 3 increases the contact area between the display panel 8 and the backlight module, thereby reducing the pressure of the contact surface between the display panel 8 and the backlight module, and reducing the risk of breaking the display panel 8 when the display panel 8 is pressed.
Optionally, as shown in fig. 5 and fig. 6, the backlight module provided in this embodiment may further include: the Circuit Board 102 is used for driving the backlight module, and may be, for example, a Printed Circuit Board (PCB), and of course, the Circuit Board in the backlight module provided in this embodiment may also be another type of Circuit Board, which may be specifically designed according to needs, and is not limited herein.
Optionally, as shown in fig. 5, 6, and 7, in the backlight module provided in this embodiment, the supporting structure 7 may further include a supporting structure 74, the supporting structure 74 is connected to the first bottom plate 71 of the supporting structure 7, and the circuit board 102 is disposed on the supporting structure 74. Specifically, the supporting structure 74 may be two protruding structures respectively disposed on a side of the supporting structure 7 facing away from the light bar 1, and the circuit board 102 is fixed to the supporting structure 7 through the two protruding structures. Of course, the specific structure of the supporting structure 74 can have various embodiments, and is not limited herein.
As mentioned above, since the supporting structure 7 is separately designed outside the back plate structure 3, the material of the supporting structure 7, especially the supporting structure 74 in the supporting structure 7, may be a material different from that of the back plate structure 3, such as a metal material with strong rigidity or thick thickness, so that the supporting structure 7 provides sufficient supporting force for the circuit board 102 to prevent the supporting structure 7 from deforming and the supporting structure 74 from warping upwards, so that the circuit board 102 disposed on the supporting structure 74 is displaced upwards, which causes the horizontal position of the circuit board 102 to exceed the plane of the upper surface of the backlight module, thereby affecting the overall thickness of the display device.
Optionally, as shown in fig. 5 and fig. 6, the backlight module provided in this embodiment may further include a connection circuit board 103, where the connection circuit board 103 is disposed on a side of the circuit board 102 away from the supporting structure 74, and the connection circuit board 103 is used to connect the display panel 8 and the circuit board 102, so that signals in the circuit board 102 can be transmitted to the display panel 8 through the connection circuit board 103.
Correspondingly, the embodiment also provides a display device comprising the backlight module. The display device may be: any product or component with a display function, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like. Other essential components of the display device are understood by those skilled in the art, and are not described herein or should not be construed as limiting the invention.
To sum up, the utility model provides a backlight unit, through trompil on backplate structure 3's lateral part 32, with a plurality of luminescent device 11 on holding lamp strip 1, thereby if need maintain lamp strip 1 or adjust the distance between lamp strip 1 and the light guide plate 2, can dismantle lamp strip 1 from backlight unit and maintain through trompil 321, or adjust the distance between lamp strip 1 and the light guide plate 2 through trompil 321, avoid need to dismantle whole backlight unit and just can maintain lamp strip 1, thereby avoid causing the damage of other parts in backlight unit at the in-process of dismantling backlight unit. And, if the utility model provides an in backlight unit uses display device, to different display device, required luminous intensity is also different, lateral part 32 through backplate structure 3 in backlight unit sets up trompil 321, and trompil 321 is used for holding a plurality of luminescent device 11 on the lamp strip 1, thereby if display device's luminous intensity demand changes, can directly dismantle lamp strip 1 from backlight unit through trompil 321, adjust luminescent device's quantity or luminescent device's luminous intensity again, with the luminous intensity demand that satisfies display device.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A backlight module, comprising: the light bar, the light guide plate and the back plate structure; wherein the content of the first and second substances,
the light bar is provided with a plurality of light emitting devices and is arranged on one side of the light guide plate;
the back plate structure comprises a first bottom plate and a side part connected with the first bottom plate, the light guide plate is arranged on the first bottom plate, at least one opening is formed in the side part, and the opening is used for accommodating a plurality of light emitting devices on the light bar, so that light emitted by the light emitting devices can be irradiated into the light guide plate.
2. The backlight module of claim 1, wherein the side portion is disposed on a side of the light guide plate adjacent to the light bar and extends away from the first bottom plate.
3. A backlight module according to claim 1, wherein the back plate structure further comprises an upper portion connected to an end of the side portion facing away from the first bottom plate, parallel to the first bottom plate, and extending in a direction away from the light guide plate.
4. The backlight module according to claim 1, wherein the back plate structure further comprises an upper portion connected to an end of the side portion facing away from the first bottom plate, parallel to the first bottom plate, and extending toward the light guide plate;
the first bottom plate, the side parts and the upper part form a first clamping structure for clamping the light guide plate so as to fix the relative position of the light guide plate and the light bar.
5. A backlight module according to claim 1, wherein the number of the openings on the side portion corresponds to the number of the plurality of light emitting devices; and the shape of each opening is matched with each light-emitting device.
6. A backlight module according to claim 1, wherein the plurality of light emitting devices define a light exit area;
the side part is provided with an opening, and the shape of the opening is matched with the light outlet area.
7. The backlight module of claim 1, further comprising: a support structure, the support structure comprising: a second base plate, a first portion and a second portion;
the second bottom plate is arranged opposite to the side part, the first part and the second part are connected with the side part, and the light bar is arranged on the second bottom plate;
the first part is connected to one end of the second bottom plate close to the first bottom plate, the second part is connected to one end of the second bottom plate far away from the first bottom plate, and the first part and the second part extend towards the direction close to each other;
the second bottom plate, the first part and the second part form a second clamping structure for clamping the light bar so as to fix the relative position of the light bar and the light guide plate.
8. The backlight module according to claim 7, further comprising: the circuit board is used for driving the backlight module;
the support structure further comprises a support structure connected with the first base plate, and the circuit board is arranged on the support structure.
9. The backlight module of claim 1, further comprising: and a reflective layer disposed between the first base plate and the light guide plate.
10. A display device comprising the backlight module of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921361287.5U CN210488191U (en) | 2019-08-21 | 2019-08-21 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921361287.5U CN210488191U (en) | 2019-08-21 | 2019-08-21 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210488191U true CN210488191U (en) | 2020-05-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114624923A (en) * | 2022-03-21 | 2022-06-14 | 广州华星光电半导体显示技术有限公司 | Backlight module and display panel |
| CN114690483A (en) * | 2022-04-08 | 2022-07-01 | 惠科股份有限公司 | Backlight module and display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114624923A (en) * | 2022-03-21 | 2022-06-14 | 广州华星光电半导体显示技术有限公司 | Backlight module and display panel |
| CN114690483A (en) * | 2022-04-08 | 2022-07-01 | 惠科股份有限公司 | Backlight module and display device |
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