CN109799646A - A kind of lamp bar of backlight module, backlight module and display device - Google Patents
A kind of lamp bar of backlight module, backlight module and display device Download PDFInfo
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- CN109799646A CN109799646A CN201910206428.4A CN201910206428A CN109799646A CN 109799646 A CN109799646 A CN 109799646A CN 201910206428 A CN201910206428 A CN 201910206428A CN 109799646 A CN109799646 A CN 109799646A
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- lamp bar
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Abstract
The invention discloses a kind of lamp bar of backlight module, backlight module and display devices, the lamp bar of the backlight module includes lamp bar circuit board and the multiple light emitting diodes for being welded in lamp bar circuit board, the light emitting diode of head end and tail end that lamp bar extending direction is located at least in multiple light emitting diodes is the first light emitting diode, first light emitting diode includes bracket and the light-emitting diode chip for backlight unit for being installed on bracket, bracket has the accommodation groove ontology of accommodating light-emitting diode chip for backlight unit, and accommodation groove ontology has light-emitting surface；Bracket has retention bead away from the direction of light-emitting surface, it is connected between bracket and lamp bar circuit board by solder joint, along the direction perpendicular to light-emitting surface, an end margin of the retention bead far from light-emitting surface is at a distance from light-emitting surface, and the end margin greater than solder joint far from light-emitting surface is at a distance from light-emitting surface.
Description
Technical field
The present invention relates to field of display technology, fill more particularly to a kind of lamp bar of backlight module, backlight module and display
It sets.
Background technique
Liquid crystal display device is a kind of flat-panel display device, its working principle is that right under electric field action using liquid crystal material
The modulating action of light generates a variety of different light and shade variations to form image.Since liquid crystal material itself does not shine,
Liquid crystal display device requires special backlight module.
Backlight module is one of key part and component of liquid crystal display device, and the major function of backlight module is for liquid crystal
Display panel provides uniform, high brightness backlight.The basic principle of backlight module is to lead to common point-type or Linear luminous body
It crosses effective ray machine structure and is converted to the planar luminous body of high brightness and uniform gray scale, so that liquid crystal display panel be enable normally to show shadow
Picture.
According to the distributing position of light source, backlight module can be divided into down straight aphototropism mode set and two kinds of side entrance back module.
Since side entrance back module meets the slim requirement of current display device, and highlighted, uniform planar light source can be provided, because
This, most liquid crystal display devices are all made of side entrance back module.
In the prior art, in order to install the various components of backlight module, the frame that backlight module needs to have certain, and it is complete
The trend of face has become the main trend of display device development, and the frame of display device is also more and more narrow, aobvious in order to realize
The narrow frame of showing device, the prior art install lamp bar by the way of reverse group, to preferably realize narrow frame.And the side of reverse group
Formula installation lamp bar also brings along certain defect, and light emitting diode is fixed on lamp bar circuit board by solder joint, and light guide plate is heated
Light emitting diode may be pushed after expansion, caused light emitting diode to contact close to the solder joint of metal edge frame with metal edge frame, led
It causes short circuit to burn light emitting diode, causes display device local display bad.
Summary of the invention
The purpose of the embodiment of the present invention is that a kind of lamp bar of backlight module, backlight module and display device are provided, to reduce
There is the probability of dead lamp defect in backlight module, improves the reliability of backlight module, improves the display effect of display device.
The lamp bar of backlight module provided by the embodiment of the present invention includes lamp bar circuit board and is welded in the lamp bar circuit
Multiple light emitting diodes of plate are located at least in the head end and tail end of the lamp bar extending direction in the multiple light emitting diode
Light emitting diode be the first light emitting diode, first light emitting diode include bracket and be installed on the bracket shine two
Pole pipe chip, the bracket have the accommodation groove ontology for accommodating the light-emitting diode chip for backlight unit, and the accommodation groove ontology has
Smooth surface；
The bracket has retention bead away from the direction of the light-emitting surface, between the bracket and the lamp bar circuit board
Connected by solder joint, along perpendicular to the light-emitting surface direction, an end margin of the retention bead far from the light-emitting surface with
The distance of the light-emitting surface, the end margin greater than the solder joint far from the light-emitting surface is at a distance from the light-emitting surface.
In further technical solution, the multiple light emitting diode is first light emitting diode.
In specific technical solution, there are two solder joint, retention bead positions for tool between the bracket and the lamp bar circuit board
Between described two solder joints.
In specific technical solution, the bracket includes two retention beads, the bracket and the lamp bar circuit board it
Between solder joint between described two retention beads.
In one specific technical solution, the solder joint connects the accommodation groove ontology and the lamp bar circuit board.
In another specific technical solution, the solder joint connects the retention bead and the lamp bar circuit board.
In specific technical solution, the accommodation groove ontology is an integral molding structure with the retention bead.
In optional technical solution, the retention bead includes rectangle, triangle, ladder in the projection of shape of lamp bar circuit board
Shape or semicircle.
In reverse group formula backlight module, the lamp bar circuit board of above-mentioned lamp bar is directly mounted at metal frame, and lamp bar shines two
Pole pipe is provided adjacent to light guide plate, and the light-emitting surface of light emitting diode is perpendicular to the light-emitting surface of light guide plate, specifically, light-emitting diodes
Pipe is between light guide plate side wall and the side plate of metal frame.Temperature is carried out when light guide plate expanded by heating, such as to backlight module
In experimentation, light emitting diode is pushed after light guide plate expansion, causes light emitting diode mobile to the side plate of metal frame, when luminous
After diode moves a certain distance, the retention bead of the bracket of the first light emitting diode and the side plate of metal frame offset, to make
Solder joint therefore can not will lead to short circuit problem with the side plane contact of metal frame, so that reducing backlight module dead lamp defect occurs
Probability, improve the reliability of backlight module, improve the display effect of display device.
In the further technical solution of the present invention, a kind of backlight module is additionally provided, which includes any of the above-described
The lamp bar of backlight module in technical solution, further includes metal frame and light guide plate, and the metal frame includes bottom plate and is located at described
The side plate of bottom plate side, the bottom plate and the side plate form accommodating space, and the light guide plate and the lamp bar are set to described
Accommodating space, the lamp bar are set between the light guide plate and the side plate, and the notch of the accommodation groove ontology is towards institute
Light guide plate is stated, there is set distance between the retention bead and the opposite side plate.
The light emitting diode of backlight module in the technical solution will not cause short circuit to be asked since solder joint is contacted with metal frame
Topic, to reduce the probability that dead lamp defect occurs in backlight module, improves the reliability of backlight module, improves the display of display device
Effect.
In addition, having between the retention bead of the first light emitting diode and the side plate of opposite metal frame in the technical solution
There is set distance, thus light guide plate expanded by heating in time, push above-mentioned first light emitting diode, the first light emitting diode is to metal
The side plate of frame is mobile, has certain mobile space, after moving distance reaches above-mentioned set distance, retention bead ability and metal
The side plate of frame offsets.
A kind of display device is additionally provided in another technical solution of the application, which includes above-mentioned backlight module.
The display device is less prone to dead lamp situation, and structural reliability is higher, and can have preferable display effect and
Higher service life.
Detailed description of the invention
Fig. 1 is the backlight module partial cross section structural schematic diagram of an embodiment of the prior art；
Fig. 2 is the backlight module partial cross section structural schematic diagram of another embodiment of the prior art；
Fig. 3 is the backlight module partial cross section structural schematic diagram of one embodiment of the invention；
Fig. 4 is the lamp bar structural schematic diagram of one embodiment of the invention；
Fig. 5 is the first light emitting diode construction schematic diagram of one embodiment of the invention；
Fig. 6 is the first light emitting diode construction schematic diagram of another embodiment of the present invention；
Fig. 7 is the first light emitting diode construction schematic diagram of another embodiment of the present invention；
Fig. 8 is the first light emitting diode construction schematic diagram of another embodiment of the present invention；
Fig. 9 is the first light emitting diode construction schematic diagram of another embodiment of the present invention；
Figure 10 is the first light emitting diode construction schematic diagram of another embodiment of the present invention；
Figure 11 is the display module structural schematic diagram of one embodiment of the invention；
Figure 12 is the display device structure schematic diagram of one embodiment of the invention.
Appended drawing reference:
1- metal frame；11- side plate；
12- bottom plate；2- glue frame；
3- light guide plate；4- lamp bar；
41- lamp bar circuit board；42- light emitting diode；
The first light emitting diode of 421-；422- bracket；
423- accommodation groove ontology；424- retention bead；
425- light-emitting surface；426- solder joint；
Non- first light emitting diode of 427-；5- shading rubber belt；
6- reflector plate；7- diffusion sheet；
8- brightening piece；10- backlight module；
20- down polaroid；30- display panel；
31- array substrate；32- color membrane substrates；
33- liquid crystal layer；40- upper polaroid；
50- cover board；100- display device.
Specific embodiment
There is the probability of dead lamp defect to reduce backlight module, improves the reliability of backlight module, improve display device
Display effect, the embodiment of the invention provides a kind of lamp bar of backlight module, backlight module and display devices.It is of the invention to make
Purposes, technical schemes and advantages are clearer, and invention is further described in detail by the following examples.
As shown in Figure 1 to Figure 2, backlight module is different according to the mounting structure of its lamp bar 4, can be divided into positive group of formula and reverse group
Formula.Backlight module may include metal frame 1, glue frame 2, light guide plate 3, lamp bar 4 and shading rubber belt 5 etc., and lamp bar includes lamp bar circuit
Plate 41 and the light emitting diode 42 (Light Emitting Diode, abbreviation LED) for being fixed on lamp bar circuit board 41, enter side
The backlight module of formula, the light-emitting surface of the light-emitting surface 425 of light emitting diode 42 perpendicular to light guide plate 3.
Be positive a group formula backlight module as shown in Figure 1, specifically, light emitting diode 42 utilizes table just in group formula backlight module
Face mounting technology (Surface Mount Technology, abbreviation SMT) is fitted on lamp bar circuit board 41, then by lamp bar circuit
Plate 41 fits in glue frame 2 and light guide plate 3, then is pasted by shading rubber belt 5, i.e., lamp bar circuit board 41 is leaned on positioned at backlight module
The side of 3 light-emitting surface of nearly light guide plate.And as the frame of display module becomes narrow gradually, the bond area of glue frame 2 is smaller and smaller, leads
Structural reliability is caused to reduce.
It is illustrated in figure 2 reverse group formula backlight module, specifically, light emitting diode 42 passes through solder joint in reverse group formula backlight module
426 are fixed on lamp bar circuit board 41, and lamp bar circuit board 41 is installed on metal frame 1, so as to so that lamp bar installation reliability compared with
Height, and the structure of glue frame can be saved, to further reduce the frame of backlight module.
As shown in Figures 3 to 5, the embodiment of the present application provides a kind of lamp bar of backlight module, which includes lamp bar electricity
Road plate 41 and the multiple light emitting diodes 42 for being welded in lamp bar circuit board 41 are located at least in lamp bar in multiple light emitting diodes 42 and prolong
The light emitting diode 42 of the head end and tail end of stretching direction is the first light emitting diode 421, and the first light emitting diode 421 includes bracket
422 and it is installed on the light-emitting diode chip for backlight unit (not shown) of bracket 422, bracket 422 has accommodating light-emitting diode chip for backlight unit
Accommodation groove ontology 423, accommodation groove ontology 423 have light-emitting surface 425；Bracket 422 has limit away from the direction of light-emitting surface 425
Protrusion 424 is connected between bracket 422 and lamp bar circuit board 41 by solder joint 426, along the direction perpendicular to light-emitting surface 425, limit
Raised 424 end margins and 425 distance L of light-emitting surface far from light-emitting surface 4251, greater than solder joint 426 far from light-emitting surface 425
One end margin and 425 distance L of light-emitting surface2。
In the embodiment, the light emitting diode 42 of lamp bar is fixed on lamp bar circuit board 41 by welding, therefore,
Solder joint 426 can be generated between bracket 422 and lamp bar circuit board 41, and usually solder joint 426 is located at bracket 422 far from light emitting diode
The side of 42 light-emitting surfaces 425.And in the light emitting diode 42 of lamp bar include the first light emitting diode 421, first light-emitting diodes
The bracket 422 of pipe 421 has retention bead 424, the retention bead 424 is along perpendicular to luminous two far from the side of light-emitting surface 425
The direction of the light-emitting surface 425 of pole pipe 42, the end margin and hair of light-emitting surface 425 of the retention bead 424 far from light emitting diode 42
The distance of the light-emitting surface 425 of optical diode 42, an end margin of the light-emitting surface 425 greater than solder joint 426 far from light emitting diode 42
At a distance from the light-emitting surface 425 of light emitting diode 42.
In specific embodiment, light emitting diode includes insulating support, and the light-emitting diodes being installed in insulating support
Light-emitting diode chip for backlight unit is electrically connected by tube chip and pad using conducting wire with pad, recycles solder joint by pad and lamp bar circuit
Plate is fixedly connected and being electrically connected for light emitting diode and lamp bar circuit board may be implemented, therefore, the accommodation groove ontology of bracket and
Retention bead is isolation material.
In reverse group formula backlight module, the lamp bar circuit board 41 of above-mentioned lamp bar is directly mounted at metal frame 1, and lamp bar shines
Diode 42 is provided adjacent to light guide plate 3, and the light-emitting surface 425 of light emitting diode 42 is perpendicular to the light-emitting surface of light guide plate 3, specifically
, light emitting diode 42 is located between 3 side wall of light guide plate and the side plate 11 of metal frame 1.When 3 expanded by heating of light guide plate, for example,
To backlight module carry out temperature experimentation in, light guide plate 3 expand after push light emitting diode 42, cause light emitting diode 42 to
The side plate 11 of metal frame 1 is mobile, after light emitting diode 42 moves a certain distance, the bracket 422 of the first light emitting diode 421
Retention bead 424 and the side plate 11 of metal frame 1 offset, to make solder joint 426 that can not contact with the side plate 11 of metal frame 1, and limit
Position protrusion 424 is isolation material, therefore not will lead to short circuit problem, so that the probability that dead lamp defect occurs in backlight module is reduced,
The reliability for improving backlight module, improves the display effect of display device.
In specific embodiment, as shown in figure 4, in multiple light emitting diodes 42 that the lamp bar of backlight module includes, along lamp
The head end of extending direction and the light emitting diode 42 of tail end are above-mentioned first light emitting diode 421, that is, have retention bead
424, remaining is non-first light emitting diode 427.The light emitting diode 42 installed in lamp bar is usually by column arrangement, and light guide plate
3 side walls opposite with light emitting diode 42 are plane, therefore when the expansion of light guide plate 3, it will usually push luminous the two of lamp bar permutation
Pole pipe 42 is mobile simultaneously, and above-mentioned first light emitting diode 421 only is arranged in the head end and tail end of lamp bar extending direction, it can
Reduce the solder joint 426 of all light emitting diodes 42 and the case where metal frame 1 contacts.It is worth noting that the extending direction of lamp bar
Size be far longer than the size in other directions of lamp bar；In addition, accommodation groove ontology 423 refers to the main body branch of light emitting diode 42
Frame part, to have reeded bracket, for accommodating the structures such as chip, conducting wire and luminescent layer.
Certainly, in other examples, in multiple light emitting diodes 42 of lamp bar, the first light emitting diode 421 can also
It is arranged with interval, for example, there is first light emitting diode 421 every two non-first light emitting diodes 427, every three
Non- first light emitting diode 427 has first light emitting diode 421, in addition, arbitrary neighborhood two first in same lamp bar
The quantity for non-first light emitting diode 427 having between light emitting diode 421 may be the same or different.
In further embodiment, multiple light emitting diodes 42 of lamp bar are the first light emitting diode 421.
In the embodiment, each light emitting diode 42 of lamp bar all has retention bead 424, so that backlight module is reliable
Property it is higher, be more less prone to circuit defect, thus be more conducive to improve backlight module reliability, improve display device
Display effect.
In specific embodiment, the solder joint 426 of the first light emitting diode 421 and the position of retention bead 424 are unlimited, example
Such as, with continued reference to FIG. 5, in a specific embodiment, solder joint 426 there are two tools between bracket 422 and lamp bar circuit board 41,
Retention bead 424 is located between two solder joints 426.In the embodiment, protection two can be played using a retention bead 424
The effect of a solder joint 426, and two solder joints 426 for being located at 424 two sides of retention bead can be improved to the first light emitting diode 421
Fixed effect.Certainly, the first light emitting diode 421 also can have a retention bead 424, and the retention bead 424 is simultaneously
It is not located between two solder joints 426.
Referring to FIG. 6, bracket 422 includes two retention beads 424, bracket 422 and lamp in another specific embodiment
Solder joint 426 between circuit board 41 is located between two retention beads 424.In the embodiment, two retention beads 424 for
The protecting effect of solder joint 426 is more preferable, and the quantity of solder joint 426 is unlimited, may include two or more solder joint 426.
Please refer to Fig. 5 and Fig. 7, in specific embodiment, solder joint 426 is located at the bracket 422 of the first light emitting diode 421
Specific location is unlimited, for example, can be located at 421 side of the bracket 422 far from light-emitting surface 425 of the first light emitting diode.Such as Fig. 5 institute
Show, solder joint 426 connects accommodation groove ontology 423 and lamp bar circuit board 41, i.e. the pad of the first light emitting diode 421 is located at bracket
422 accommodation groove ontology 423, in the embodiment, 41 between the first light emitting diode 421 and lamp bar circuit board between can have
Two solder joints 426, and above-mentioned two solder joint 426 is located at the two sides of retention bead 424；As shown in fig. 7, the connection limit of solder joint 426
Protrusion 424 and lamp bar circuit board 41, the i.e. solder joint 426 of the first light emitting diode 421 are located in the retention bead 424 of bracket 422,
In the embodiment, it can have two solder joints 426, and two solder joints between the first light emitting diode 421 and lamp bar circuit board 41
426 are located at the two sides of retention bead 424.Retention bead 424 can be designed according to product actual demand and the position of solder joint 426 is closed
System.
In specific embodiment, accommodation groove ontology 423 is an integral molding structure with retention bead 424.It can use injection molding
Mode one-pass molding makes the bracket 422 of the first light emitting diode 421, and the structural integrity of the bracket 422 is higher, manufacture craft
It is relatively simple.
In other embodiments, accommodation groove ontology 423 and retention bead 424 may be fixed connection structure, for example, holding
Setting slot ontology 423 and retention bead 424 is to be adhesively fixed or accommodation groove ontology 423 and retention bead 424 are clamped, and specifically may be used
To be selected according to actual product demand.
In addition, the shape of the retention bead 424 of the bracket 422 of above-mentioned first light emitting diode 421 is unlimited, for example, limit
Protrusion 424 the projection of shape of lamp bar circuit board 41 include rectangle, it is triangle, trapezoidal or semicircle.As shown in figure 5, limit
Protrusion 424 is rectangle in the projection of shape of lamp bar circuit board 41, as shown in figure 8, throwing of the retention bead 424 in lamp bar circuit board 41
Shadow shape is triangle；As shown in figure 9, retention bead 424 is trapezoidal in the projection of shape of lamp bar circuit board 41；Alternatively, as schemed
Shown in 10, retention bead 424 is semicircle in the projection of shape of lamp bar circuit board 41.Above-mentioned retention bead of various shapes 424
Structure is relatively simple, convenient for production.Certainly, in specific embodiment, projection of shape of the retention bead 424 in lamp bar circuit board 41
It may be non-regular shape, in addition, retention bead 424 can also be with for column along the direction perpendicular to lamp bar circuit board 41
For non-columnar.The concrete shape of retention bead 424 is designed according to the actual demand of product.
Referring to FIG. 3, additionally providing a kind of backlight module in the embodiment of the present invention, which includes any of the above-described
The lamp bar of backlight module in technical solution, additionally include metal frame 1 and be installed on the light guide plate 3 of metal frame 1, reflector plate 6,
Diffusion sheet 7, brightening piece 8 and shading rubber belt 5, metal frame 1 include bottom plate 12 and the side plate 11 positioned at 12 side of bottom plate, bottom plate 12 with
Side plate 11 forms accommodating space, and light guide plate 3 and lamp bar are set to accommodating space, and reflector plate 6 is set to light guide plate 3 away from light-emitting surface
Side, diffusion sheet 7 and brightening piece 8 are set to light guide plate 3 close to light-emitting surface along stacked far from 3 light-emitting surface direction of light guide plate
Side, shading rubber belt 5 is disposed in proximity to the side of 3 light-emitting surface of light guide plate, and blocks above-mentioned lamp bar.Lamp bar is set to light guide plate
Between 3 and side plate 11, and the notch of accommodation groove ontology 423 is towards light guide plate 3, between retention bead 424 and opposite side plate 11
With set distance.
In the embodiment, between the retention bead 424 of the first light emitting diode 421 and the side plate 11 of opposite metal frame 1
With set distance, to push above-mentioned first light emitting diode 421, the first light emitting diode even if 3 expanded by heating of light guide plate
421 is mobile to the side plate 11 of metal frame 1, has certain mobile space, after moving distance reaches above-mentioned set distance, limit
Raised 424 ability and the side plate 11 of metal frame 1 offset.
The light emitting diode 42 of backlight module in the embodiment will not be contacted due to solder joint 426 with metal frame 1 cause it is short
Road problem improves the reliability of backlight module, improves display device to reduce the probability that dead lamp defect occurs in backlight module
Display effect.
It as shown in figure 11, is a kind of display module comprising the backlight module in any technical solution of the application, the display
Mould group includes the backlight module 10 being sequentially stacked, down polaroid 20, display panel 30, upper polaroid 40 and cover board 50, wherein aobvious
Show that panel 30 further includes array substrate 31 and the color membrane substrates 32 with the array substrate 31 to box, array substrate 31 and color membrane substrates
There is liquid crystal layer 33 between 32.The probability that dead lamp defect occurs in the display module 10 is lower, and reliability is higher.
As shown in figure 12, another embodiment of the application additionally provides a kind of display device 100, which includes
Above-mentioned backlight module 10.
The display device is less prone to dead lamp situation, and structural reliability is higher, and can have preferable display effect and
Higher service life.
In specific embodiment, the concrete type of display device is unlimited, which can be such as smartwatch, hand
Machine, tablet computer, laptop, any electronic equipment having a display function of electric paper book or television set etc..Such as Figure 12
Shown in display device be mobile phone.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of lamp bar of backlight module, which is characterized in that including lamp bar circuit board and be welded in the more of the lamp bar circuit board
A light emitting diode, the head end and tail end that the lamp bar extending direction is located at least in the multiple light emitting diode shine two
Pole pipe is the first light emitting diode, and first light emitting diode includes bracket and the light-emitting diodes tube core for being installed on the bracket
Piece, the bracket have the accommodation groove ontology for accommodating the light-emitting diode chip for backlight unit, and the accommodation groove ontology has light-emitting surface；
The bracket has retention bead away from the direction of the light-emitting surface, passes through between the bracket and the lamp bar circuit board
Solder joint connection, along perpendicular to the light-emitting surface direction, an end margin of the retention bead far from the light-emitting surface with it is described
The distance of light-emitting surface, the end margin greater than the solder joint far from the light-emitting surface is at a distance from the light-emitting surface.
2. the lamp bar of backlight module as described in claim 1, which is characterized in that the multiple light emitting diode is described
One light emitting diode.
3. the lamp bar of backlight module as described in claim 1, which is characterized in that between the bracket and the lamp bar circuit board
There are two solder joints for tool, and retention bead is between described two solder joints.
4. the lamp bar of backlight module as described in claim 1, which is characterized in that the bracket includes two retention beads, institute
The solder joint between bracket and the lamp bar circuit board is stated between described two retention beads.
5. the lamp bar of backlight module as described in claim 1, which is characterized in that the solder joint connect the accommodation groove ontology with
The lamp bar circuit board.
6. the lamp bar of backlight module as described in claim 1, which is characterized in that the solder joint connects the retention bead and institute
State lamp bar circuit board.
7. the lamp bar of backlight module as described in claim 1, which is characterized in that the accommodation groove ontology and the retention bead
It is an integral molding structure.
8. the lamp bar of backlight module as described in claim 1, which is characterized in that throwing of the retention bead in lamp bar circuit board
Shadow shape includes rectangle, triangle, trapezoidal or semicircle.
9. a kind of backlight module, which is characterized in that the lamp bar including backlight module as described in any one of claims 1 to 8, also
Including metal frame and light guide plate, the metal frame includes bottom plate and the side plate positioned at the bottom plate side, the bottom plate with it is described
Side plate forms accommodating space, and the light guide plate and the lamp bar are set to the accommodating space, and the lamp bar is set to described lead
Between tabula rasa and the side plate, and the notch of the accommodation groove ontology is towards the light guide plate, the retention bead and opposite
There is set distance between the side plate.
10. a kind of display device, which is characterized in that including backlight module as claimed in claim 9.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110262126A (en) * | 2019-06-12 | 2019-09-20 | 厦门天马微电子有限公司 | A kind of backlight module and display device |
| CN110376789A (en) * | 2019-05-31 | 2019-10-25 | 华为技术有限公司 | Backlight module, mobile terminal, the preparation method of lamp bar, lamp bar circuit board |
| CN111968496A (en) * | 2020-08-05 | 2020-11-20 | 武汉华星光电技术有限公司 | Backlight module and display panel |
| CN112728456A (en) * | 2020-12-31 | 2021-04-30 | 深圳创维－Rgb电子有限公司 | Screen lighting effect component mounting structure and display device |
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| TW201833645A (en) * | 2017-03-02 | 2018-09-16 | 日商歐姆龍股份有限公司 | Surface light source device, display device and electronic device |
| CN107490898A (en) * | 2017-08-14 | 2017-12-19 | 深圳市华星光电技术有限公司 | Side entrance back module and liquid crystal display device |
| CN109188774A (en) * | 2018-10-31 | 2019-01-11 | 厦门天马微电子有限公司 | A kind of backlight module and preparation method thereof, display module |
| CN109192068A (en) * | 2018-11-02 | 2019-01-11 | 厦门天马微电子有限公司 | A kind of backlight module and electronic equipment |
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| CN110376789A (en) * | 2019-05-31 | 2019-10-25 | 华为技术有限公司 | Backlight module, mobile terminal, the preparation method of lamp bar, lamp bar circuit board |
| CN110262126A (en) * | 2019-06-12 | 2019-09-20 | 厦门天马微电子有限公司 | A kind of backlight module and display device |
| CN110262126B (en) * | 2019-06-12 | 2022-05-10 | 厦门天马微电子有限公司 | Backlight module and display device |
| CN111968496A (en) * | 2020-08-05 | 2020-11-20 | 武汉华星光电技术有限公司 | Backlight module and display panel |
| CN112728456A (en) * | 2020-12-31 | 2021-04-30 | 深圳创维－Rgb电子有限公司 | Screen lighting effect component mounting structure and display device |
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