CN110264885A - A kind of backlight module and display device - Google Patents
A kind of backlight module and display device Download PDFInfo
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- CN110264885A CN110264885A CN201910580472.1A CN201910580472A CN110264885A CN 110264885 A CN110264885 A CN 110264885A CN 201910580472 A CN201910580472 A CN 201910580472A CN 110264885 A CN110264885 A CN 110264885A
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- backboard
- backlight
- luminous board
- glue frame
- positioning column
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- Theoretical Computer Science (AREA)
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Abstract
The present invention relates to field of display technology, more particularly to a kind of backlight module and display device, the backlight module includes backboard, the side of backboard is cascading backlight luminous board and curved surface membrane material, the side of light lamp plate and curved surface membrane material is equipped with glue frame, wherein, glue frame is towards being formed at least one limited block on the surface of curved surface membrane material, and the displacement in the direction of display panel is directed toward for limiting backlight luminous board along backboard.In backlight module provided by the invention, by the way that limited block is arranged towards the side of curved surface membrane material in glue frame, pressure towards backboard direction is generated to backlight luminous board, to offset the power of the separate backboard of backlight luminous board generation, it is effectively prevent Joint failure between backlight luminous board and backboard, i.e., backlight luminous board is effectively prevented to separate with backboard, it ensure that mixed light height is consistent in light mixing region, ensure that backlight module uniform in light emission, so that it is uniform to ensure that display device shines.
Description
[technical field]
The present invention relates to field of display technology more particularly to a kind of backlight module and display devices.
[background technique]
In recent years, curved-surface display device with excellent visible angle and human eye vision due to experiencing, in TV, automobile
Equal fields have broad application prospects and good market potential, have obtained everybody extensive concern.
It is provided with curved surface backlight module in curved-surface display device, provides light source, curved surface backlight module for curved-surface display device
In there is backboard and lamp plate, lamp plate is connected and fixed with backboard, multiple LED light sources are provided on lamp plate, since backboard is there are curvature,
After lamp plate is bonded with backboard assembly, in the biggish region of backboard curvature, lamp plate is easily separated with backboard, leads to curved surface backlight mould
The mixed light height of group is inconsistent, causes curved-surface display device luminance nonuniformity.
[summary of the invention]
To solve the above-mentioned problems, the present invention provides a kind of backlight module and display device.
A kind of backlight module, including backboard, the side of the backboard are cascading backlight luminous board and curved surface membrane material, institute
The side for stating light lamp plate and the curved surface membrane material is equipped with glue frame, wherein
The glue frame is towards at least one limited block is formed on the surface of the curved surface membrane material, for limiting the backlight
Lamp plate is directed toward the displacement in the direction of the display panel along the backboard.
Optionally, the glue frame includes two sub- glue frames being oppositely arranged, and the curvature R1 of the end of the sub- glue frame is less than
The curvature R2 of the intermediate region of the sub- glue frame, the side of two the sub- glue frames towards the curved surface membrane materials is equipped with the limit
Position block.
Optionally, the side of each limited block towards the backboard is formed at least one positioning column, the backlight
Limit hole corresponding with the positioning column is formed on lamp plate；
Wherein, the positioning column and the limit hole cooperate, and are parallel to the backboard to limit the backlight luminous board edge
Direction movement.
Optionally, the limited block is equipped in each sub- glue frame, and each limited block is along the sub- glue
The extending direction of frame extends.
Optionally, along the extending direction of the sub- glue frame, the equal length of the length of the limited block and the sub- glue frame.
Optionally, multiple positioning columns, and the positioning column and the limit are provided on each limited block
Hole corresponds.
Optionally, the glue frame, the limited block and the positioning column three in one injection molding.
Optionally, the side of the backboard towards the backlight luminous board is formed with positioning column, is formed on the backlight luminous board
There is limit hole corresponding with the positioning column, the positioning column and the limit hole cooperate, to limit the backlight luminous board along flat
Row is moved in the direction of the backboard.
Optionally, the protrusion is an integral structure with the backboard.
Optionally, the protrusion is corresponded with the limit hole.
The present invention also provides a kind of display device, including above-mentioned backlight module and display panel, the backlight module to
The display panel provides light source.
In a kind of backlight module provided in an embodiment of the present invention, including be cascading curved surface membrane material, backlight luminous board
And backboard, the side of curved surface membrane material are provided with glue frame, the side of glue frame towards curved surface membrane material is formed with limited block, for limiting back
Light lamp plate is directed toward the displacement in the direction of display panel, in the assembling process of this backlight module, backlight luminous board and backboard along backboard
Connection, curved surface membrane material are arranged in glue frame, then connect backboard with glue frame, at this point, shape between backlight luminous board and curved surface membrane material
At light mixing region, since backboard, backlight luminous board, glue frame and curved surface membrane material are curved-surface structure, by taking backboard and backlight luminous board as an example,
With the increase of the curvature of backboard and backlight luminous board, the stress generated in backboard and backlight luminous board also increases, so that backlight luminous board
The power far from backboard direction is generated, the setting of glue frame upper limit position block generates the pressure towards backboard direction to backlight luminous board, to support
The power for the separate backboard that the backlight luminous board that disappears generates, effectively prevent Joint failure between backlight luminous board and backboard, that is, effectively prevent
Backlight luminous board is separated with backboard, ensure that mixed light height is consistent in light mixing region, ensure that backlight module uniform in light emission, to protect
Display device has been demonstrate,proved to shine uniformly.
[Detailed description of the invention]
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without creative efforts, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of structural schematic diagram of backlight module provided in an embodiment of the present invention；
Fig. 2 is a kind of partial structural diagram of backlight module provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of mode three in a kind of backlight module provided in an embodiment of the present invention；
Fig. 4 is the partial structural diagram of mode three in a kind of backlight module provided in an embodiment of the present invention；
Fig. 5 is structural schematic diagram when limit hole is U-shaped hole in a kind of backlight module provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of mode five in a kind of backlight module provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of mode six in a kind of backlight module provided in an embodiment of the present invention；
Fig. 8 is a kind of structural schematic diagram of display device provided in an embodiment of the present invention.
Appended drawing reference:
1- backlight module；11- backboard；12- backlight luminous board；121- limit hole；13- curved surface membrane material；14- glue frame；141-
Glue frame；15- limited block；16- positioning column；2- display panel.
[specific embodiment]
For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention with reference to the accompanying drawing
It states.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.In the embodiment of the present invention and the "an" of singular used in the attached claims, " described " and "the"
It is also intended to including most forms, unless the context clearly indicates other meaning.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, indicate
There may be three kinds of relationships, for example, A and/or B, can indicate: individualism A, exist simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
Fig. 1 is a kind of structural schematic diagram of backlight module provided in an embodiment of the present invention；Fig. 2 is that the embodiment of the present invention provides
The partial structural diagram of backlight module a kind of in embodiments of the present invention, provide a kind of backlight as shown in Figure 1 to Figure 2
Mould group 1, including backboard 11, the side of backboard 11 are cascading backlight luminous board and curved surface membrane material 13, light lamp plate and curved surface
The side of membrane material 13 is equipped with glue frame 14, wherein
Glue frame 14 is towards at least one limited block 15 is formed on the surface of curved surface membrane material 13, for limiting backlight luminous board 12
The displacement in the direction of display panel 2 is directed toward along backboard 11.
In a kind of backlight module 1 provided in an embodiment of the present invention, including be cascading curved surface membrane material 13, backlight
Plate 12 and backboard 11, the side of curved surface membrane material 13 are provided with glue frame 14, and the side of glue frame 14 towards curved surface membrane material 13 forms limited
Position block 15, for limiting backlight luminous board 12 along the displacement in the direction of the direction display panel 2 of backboard 11, in the dress of this backlight module 1
With in the process, backlight luminous board 12 is connect with backboard 11, and curved surface membrane material 13 is arranged in glue frame 14, then by backboard 11 and glue frame 14
Connection, at this point, light mixing region is formed between backlight luminous board 12 and curved surface membrane material 13, due to backboard 11, backlight luminous board 12, glue frame 14
It is curved-surface structure with curved surface membrane material 13, by taking backboard 11 and backlight luminous board 12 as an example, with the song of backboard 11 and backlight luminous board 12
The stress generated in the increase of rate, backboard 11 and backlight luminous board 12 also increases, so that backlight luminous board 12 is generated far from 11 side of backboard
To power, the setting of 14 upper limit position block 15 of glue frame, to backlight luminous board 12 generate towards 11 direction of backboard pressure, to offset backlight
The power for the separate backboard 11 that lamp plate 12 generates, effectively prevent Joint failure between backlight luminous board 12 and backboard 11, that is, effectively prevent
Backlight luminous board 12 is separated with backboard 11, ensure that mixed light height is consistent in light mixing region, and it is equal to ensure that backlight module 1 goes out light
It is even, so that it is uniform to ensure that display device shines.
When above-mentioned curved surface membrane material 13 is connect with glue frame 14, the step for placing curved surface membrane material 13 is provided in glue frame 14
Portion is used to limit backlight luminous board 12 along the displacement in the direction of the direction curved surface membrane material 13 of backboard 11, limit according to above-mentioned limited block 15
Block 15 and stage portion can be split type structure, can also be an integral structure, in the embodiment of the present invention, stage portion and limited block 15 are adopted
With integral structure, that is, limited block 15 is formed in glue frame 14 towards the side of curved surface membrane material 13, and limited block 15 is towards backlight luminous board
12 side is used to limit backlight luminous board 12, and limited block 15 is used to place curved surface membrane material 13 away from the side of backlight luminous board 12,
Above-mentioned limited block 15 and stage portion use integral structure, and structure is simple, cost is relatively low, and integral structure is convenient for
The preparation of limited block 15.
In the embodiment of the present invention, glue frame 14 includes two sub- glue frames 141 being oppositely arranged, and the end of sub- glue frame 141
Curvature R1 is less than the curvature R2 of sub- 141 intermediate region of glue frame, and limited block 15 is at least set to above-mentioned two 141 direction of sub- glue frame
The side of curved surface membrane material 13, that is, above-mentioned sub- glue frame 141 is two be arranged at 13 curved two lateral locations of curved surface membrane material
Sub- glue frame 141, since the bending degree of sub- glue frame 141, curved surface membrane material 13, backlight luminous board 12 and backboard 11 is roughly the same, therefore, son
Glue frame 141, curved surface membrane material 13, the curvature of backlight luminous board 12 and backboard 11, be along sub- glue frame 141 one end be directed toward the other end by
It is cumulative to reduce again greatly, due to the variation of curvature, segregation phenomenon easily occurs between backboard 11 and backlight luminous board 12, therefore, in sub- glue frame
Limited block 15 is set on 141, the pressure towards 11 direction of backboard is generated to backlight luminous board 12 by limited block 15, is effectively prevented
There is a phenomenon where separate between backboard 11 and backlight luminous board 12.
According to the position-limiting action that above-mentioned limited block 15 plays backlight luminous board 12, there are following two for the structure of limited block 15
Mode:
Mode one
The direction for being directed toward another end using an end of sub- glue frame 141 is set in every sub- glue frame 141 as first direction
It is equipped with a limited block 15, and limited block 15 extends in a first direction, so that the length of limited block 15 is less than or equal to sub- glue frame
141 length.
Above-mentioned limited block 15 is strip structure, and after backboard 11 is connect with glue frame 14, limited block 15 is towards backlight luminous board 12
Surface and backlight luminous board 12 against by limited block 15 to the whole of edge corresponding with sub- glue frame 141 in backlight luminous board 12
Body limit, effectively prevents backlight luminous board 12 with backboard 11 and separates tilting, ensure that display device uniform in light emission.
Mode two
Along first direction, multiple limited blocks 15 are intervally distributed in every sub- glue frame 141.
Multiple limited blocks 15 are set in above-mentioned sub- glue frame 141, after backboard 11 is connect with glue frame 14, each 15 court of limited block
To backlight luminous board 12 surface and backlight luminous board 12 against, realize prevent from separating between backlight luminous board 12 and backboard 11 it is same
When, the material for preparing limited block 15 can be saved, to save preparation cost.
In order to guarantee the limit effect of limited block 15, along first direction, the density of limited block 15 with backboard 11 curvature
Increase and increase, that is, is greater than the region at the both ends of sub- glue frame 141 in the density of the intermediate region inner limited block 15 of sub- glue frame 141
The distribution density of interior limited block 15, to ensure that limited block 15 is right while saving the preparation cost of limited block 15
The limit effect of backlight luminous board 12.
In order to which the position further to backlight luminous board 12 limits, to be further ensured that display device uniform in light emission,
It is additionally provided in backlight module 1 for preventing backlight luminous board 12 along the positioning column 16 for being parallel to 11 direction of backboard and moving, and backlight
The limit hole 121 cooperated with positioning column 16 is formed on lamp plate 12.
As a kind of embodiment of above-mentioned positioning column 16, the side of each limited block 15 towards backboard 11 is formed at least
One positioning column 16 is formed with limit hole 121 corresponding with positioning column 16 on backlight luminous board 12；
Wherein, positioning column 16 and limit hole 121 cooperate, and are transported with limiting backlight luminous board 12 along the direction for being parallel to backboard 11
It is dynamic.
Positioning column 16, after backboard 11 is connect with glue frame 14, limited block 15 and backlight luminous board are set on above-mentioned limited block 15
12 against while positioning column 16 and limit hole 121 cooperate, and are being directed toward curved surface membrane material 13 along backboard 11 to limit backlight luminous board 12
Freedom degree and edge on direction are parallel to the freedom degree in 11 direction of backboard, separate when generating between backboard 11 and backlight luminous board 12
When phenomenon, limited block 15 can limit backlight luminous board 12 and move along the direction that backboard 11 is directed toward curved surface membrane material 13, to prevent backlight
Plate 12 tilts, meanwhile, positioning column 16 limits backlight luminous board 12 and is subjected to displacement along the direction for being parallel to backboard 11, to prevent backlight
Plate 12 shifts, and guarantees the light-out effect of backlight module 1.
As a kind of embodiment of above-mentioned positioning column 16, the side of backboard 11 towards backlight luminous board 12 is formed with positioning column
16, limit hole 121 corresponding with positioning column 16 is formed on backlight luminous board 12, positioning column 16 and limit hole 121 cooperate, with limitation
Backlight luminous board 12 is moved along the direction for being parallel to backboard 11.
Positioning column 16, when backboard 11 is connect with backlight luminous board 12, positioning column 16 and limit hole are set on above-mentioned backboard 11
121 cooperations, to limit backlight luminous board 12 along the freedom degree for being parallel to 11 direction of backboard, and after backboard 11 is connect with glue frame 14,
Limited block 15 and backlight luminous board 12 are against limitation backlight luminous board 12 is in the freedom on the direction that backboard 11 is directed toward curved surface membrane material 13
Degree, when generating segregation phenomenon between backboard 11 and backlight luminous board 12, limited block 15 can limit backlight luminous board 12 and refer to along backboard 11
It is moved to the direction of curved surface membrane material 13, to prevent backlight luminous board 12 from tilting, meanwhile, positioning column 16 limits backlight luminous board 12 along parallel
It is subjected to displacement in the direction of backboard 11, to prevent backlight luminous board 12 from shifting, guarantees the light-out effect of backlight module 1.
It may be provided on limited block 15 or backboard 11 according to above-mentioned positioning column 16, the specific structure of positioning column 16 and setting side
There are following four modes for formula:
Mode three
Fig. 3 is the structural schematic diagram of mode three in a kind of backlight module provided in an embodiment of the present invention, and Fig. 4 is of the invention real
The partial structural diagram of mode three in a kind of backlight module of example offer is applied, as shown in Figure 3 to Figure 4, when every sub- glue frame 141
On be provided with a limited block 15, and limited block 15 extends in a first direction, and the length of limited block 15 is made to be less than or equal to sub- glue
When the length of frame 141, the side of each limited block 15 towards backlight luminous board 12 is provided with multiple positioning columns 16, and positioning column 16 with
Limit hole 121 cooperates, and is moved with limiting backlight luminous board 12 along the direction for being parallel to backboard 11.
In mode three, positioning column 16 is formed in limited block 15 towards the side of backlight luminous board 12, and to the direction of backboard 11
Extend, after backboard 11 is connect with glue frame, positioning column 16 is inserted into limit hole 121, is produced when between backboard 11 and backlight luminous board 12
When raw segregation phenomenon, limited block 15 can limit backlight luminous board 12 and move along the direction that backboard 11 is directed toward curved surface membrane material 13, to prevent
Backlight luminous board 12 tilts, meanwhile, positioning column 16 limits backlight luminous board 12 and is subjected to displacement along the direction for being parallel to backboard 11, to prevent
Backlight luminous board 12 shifts, and guarantees the light-out effect of backlight module 1.
Also, 16 three in one injection molding of glue frame 14, limited block 15 and positioning column.
Glue frame 14, limited block 15 and positioning column 16 are prepared by the way of integrated injection molding, and method is simple, cost compared with
It is low, and the stability connected between glue frame 14, limited block 15 and positioning column 16 can be improved, improve 1 structure of backlight module
Reliability.
In aforesaid way three, by setting limited block 15 and positioning column 16 by backlight luminous board 12 along being parallel to 11 direction of backboard
Freedom degree and along backboard 11 be directed toward 13 direction of curved surface membrane material freedom degree limited, effectively prevent backlight luminous board 12 generation
Displacement, ensure that 1 uniform in light emission of backlight module, to improve the light-out effect of display device, while also improve display dress
The service life set.
Mode four
When being intervally distributed with multiple limited blocks 15 along first direction, every sub- glue frame 141, shape on each limited block 15
Cheng Youyi, two or more positioning columns 16 are to form a positioning column 16 on each limited block 15 herein without limitation
Example, limited block 15 and positioning column 16 correspond, and positioning column 16 and limit hole 121 cooperate, to limit backlight luminous board 12 along flat
Row is moved in the direction of backboard 11.
In mode four, positioning column 16 and limited block 15 are corresponded, and positioning column 16 is formed in limited block 15 towards backlight
The side of plate 12, and extend to the direction of backboard 11, after backboard 11 is connect with glue frame 14, positioning column 16 is inserted into limit hole 121
Interior, when generating segregation phenomenon between backboard 11 and backlight luminous board 12, limited block 15 can limit backlight luminous board 12 and refer to along backboard 11
It is moved to the direction of curved surface membrane material 13, to prevent backlight luminous board 12 from tilting, meanwhile, positioning column 16 limits backlight luminous board 12 along parallel
It is subjected to displacement in the direction of backboard 11, to prevent backlight luminous board 12 from generating displacement, guarantees the light-out effect of backlight module 1.
Also, 16 three in one injection molding of glue frame 14, limited block 15 and positioning column.
Glue frame 14, limited block 15 and positioning column 16 are prepared by the way of integrated injection molding, and method is simple, cost compared with
It is low, and the stability connected between glue frame 14, limited block 15 and positioning column 16 can be improved, improve 1 structure of backlight module
Reliability.
In aforesaid way four, by setting limited block 15 and positioning column 16 by backlight luminous board 12 along being parallel to 11 direction of backboard
Freedom degree and along backboard 11 be directed toward 13 direction of curved surface membrane material freedom degree limited, effectively prevent backlight luminous board 12 generation
Displacement, ensure that 1 uniform in light emission of backlight module, to improve the light-out effect of display device, while also improve display dress
The service life set.
In aforesaid way three and mode four, as a kind of embodiment of above-mentioned limit hole 121, limit hole 121 can be logical
Hole, the shape of limit hole 121 can be round or rectangular etc., herein without limitation, when positioning column 16 and limit hole 121 cooperate,
Location hole is directed toward the direction of backboard 11 along curved surface membrane material 13, is inserted into limit hole 121, to realize the limit to backlight luminous board 12
Position.
Fig. 5 is structural schematic diagram when limit hole 121 is U-shaped hole in a kind of backlight module 1 provided in an embodiment of the present invention,
As shown in figure 5, the shape of limit hole 121 can also be U-shaped hole, it is formed with opening in the side towards glue frame 14, works as positioning
When column 16 and limit hole 121 cooperate, positioning column 16 can enter in limit hole 121 along the direction for being parallel to backboard 11, with limit hole
121 cooperations, meanwhile, it can also be directed toward the direction of backboard 11 along curved surface membrane material 13, be inserted into limit hole 121, to realize to backlight
The limit of plate 12.
Mode five
Fig. 6 is the structural schematic diagram of mode five in a kind of backlight module 1 provided in an embodiment of the present invention, as shown in fig. 6, back
Multiple positioning columns 16 are formed on plate 11, and the limit hole 121 formed on positioning column 16 and backlight luminous board 12 cooperates.
In mode five, during being prepared to backboard 11, it can be set in the side of backboard 11 towards backlight luminous board 12
Positioning column 16 is set, to limit backlight luminous board 12 along the displacement for being parallel to 11 direction of backboard.
Bonding or integrally formed mode can be selected in the mode that positioning column 16 is arranged on backboard 11, when backlight luminous board 12 and back
When plate 11 connects, the limit hole 121 on positioning column 16 and backlight luminous board 12 on backboard 11 cooperates so that backlight luminous board 12 with
Backboard 11 completes limit of the backboard 11 to backlight luminous board 12 during connecting, and prevents backlight luminous board 12 along being parallel to backboard 11
Direction generates displacement, when backboard 11 is connect with glue frame 14, the limited block 15 that is formed in glue frame 14 and backlight luminous board 12 against, from
And realize to backlight luminous board 12 along there is backboard 11 to be directed toward the limit on the direction of curved surface membrane material 13, pass through setting 15 He of limited block
Positioning column 16 is directed toward 13 direction of curved surface membrane material by backlight luminous board 12 along the freedom degree for being parallel to 11 direction of backboard and along backboard 11
Freedom degree is limited, and is effectively prevented backlight luminous board 12 and is generated displacement, ensure that 1 uniform in light emission of backlight module, to improve
The light-out effect of display device, while also improving the service life of display device.
Mode six
Fig. 7 is the structural schematic diagram of mode six in a kind of backlight module provided in an embodiment of the present invention, as shown in fig. 7, right
Backboard 11 carries out stamping process, and backboard 11 is made to form multiple warping parts towards the side of backlight luminous board 12, and using warping part as
The limit hole 121 formed on positioning column 16 and backlight luminous board 12 cooperates.
In mode six, backboard 11 is prepared first, and limit hole 121 is prepared on backlight luminous board 12, then according to backlight
The position in 12 upper limit hole 121 of plate carries out stamping process to backboard 11, makes the corresponding part court in the position being stamped on backboard 11
It is tilted to the direction of backlight luminous board 12, forms positioning column 16, when backlight luminous board 12 is connect with backboard 11, backlight luminous board 12 and back
Plate 11 connects, meanwhile, positioning column 16 and limit hole 121 cooperate, and complete to backlight luminous board 12 on the direction for being parallel to backboard 11
Limit, when backboard 11 is connect with glue frame 14, the limited block 15 that is formed in glue frame 14 and backlight luminous board 12 are against realizing to back
Light lamp plate 12 is in the limit being directed toward on 13 direction of curved surface membrane material along backboard 11.
In mode six, by setting limited block 15 and positioning column 16 by backlight luminous board 12 along be parallel to 11 direction of backboard from
It is limited by degree and along the freedom degree that backboard 11 is directed toward 13 direction of curved surface membrane material, effectively prevents backlight luminous board 12 and generate position
It moves, ensure that 1 uniform in light emission of backlight module, to improve the light-out effect of display device, while also improving display device
Service life.
Aforesaid way three is into mode six, and positioning column 16 and limit hole 121 correspond, positioning column 16 and limit hole 121
It corresponds, the limit effect after positioning column 16 and limit hole 121 cooperate to backlight luminous board 12 can be improved, and, it is positioned in preparation
Before column 16 and limit hole 121, when setting predeterminated position to positioning column 16 and limit hole 121, when the position of a positioning column 16
When change, it is only necessary to change the position of corresponding limit hole 121, and to other limit holes 121 and positioning column 16
Position does not have an impact.
Fig. 8 is a kind of structural schematic diagram of display device provided in an embodiment of the present invention.As shown in figure 8, the present invention is implemented
Example additionally provides a kind of display device, and including above-mentioned backlight module 1 and display panel 2, backlight module 1 is mentioned to display panel 2
For light source.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (11)
1. a kind of backlight module, which is characterized in that including backboard, the side of the backboard is cascading backlight luminous board and song
The side of facial mask material, the light lamp plate and the curved surface membrane material is equipped with glue frame, wherein
The glue frame is towards at least one limited block is formed on the surface of the curved surface membrane material, for limiting the backlight luminous board
The displacement in the direction of the display panel is directed toward along the backboard.
2. backlight module according to claim 1, which is characterized in that the glue frame includes two sub- glue being oppositely arranged
Frame, the curvature R1 of the end of the sub- glue frame are less than the curvature R2 of the intermediate region of the sub- glue frame, two sub- glue frame courts
The limited block is equipped with to the side of the curved surface membrane material.
3. -2 described in any item backlight modules according to claim 1, which is characterized in that each limited block is towards the back
The side of plate is formed at least one positioning column, and limit hole corresponding with the positioning column is formed on the backlight luminous board；
Wherein, the positioning column and the limit hole cooperate, to limit the backlight luminous board along the direction for being parallel to the backboard
Movement.
4. backlight module according to claim 3, which is characterized in that be equipped with the limit in each sub- glue frame
Position block, and each limited block extends along the extending direction of the sub- glue frame.
5. backlight module according to claim 4, which is characterized in that along the extending direction of the sub- glue frame, the limit
The equal length of the length of block and the sub- glue frame.
6. backlight module according to claim 5, which is characterized in that be provided on each limited block multiple described
Positioning column, and the positioning column and the limit hole correspond.
7. backlight module according to claim 6, which is characterized in that the glue frame, the limited block and the positioning column
Three in one injection molding.
8. backlight module according to claim 2, which is characterized in that side shape of the backboard towards the backlight luminous board
At there is positioning column, limit hole corresponding with the positioning column, the positioning column and the limit are formed on the backlight luminous board
Hole cooperation is moved with limiting the backlight luminous board along the direction for being parallel to the backboard.
9. backlight module according to claim 8, which is characterized in that the protrusion is an integral structure with the backboard.
10. backlight module according to claim 8, which is characterized in that the protrusion is corresponded with the limit hole.
11. a kind of display device, which is characterized in that including such as described in any item backlight modules of claim 1-10 and display surface
Plate, the backlight module provide light source to the display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910580472.1A CN110264885A (en) | 2019-06-28 | 2019-06-28 | A kind of backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910580472.1A CN110264885A (en) | 2019-06-28 | 2019-06-28 | A kind of backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110264885A true CN110264885A (en) | 2019-09-20 |
Family
ID=67923190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910580472.1A Pending CN110264885A (en) | 2019-06-28 | 2019-06-28 | A kind of backlight module and display device |
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| CN (1) | CN110264885A (en) |
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| CN111583803A (en) * | 2020-05-26 | 2020-08-25 | 京东方科技集团股份有限公司 | Flexible display screen supporting structure, manufacturing method thereof and display device |
| CN111951700A (en) * | 2020-08-25 | 2020-11-17 | 福建捷联电子有限公司 | PCB fixing structure of curved-surface MINI LED display screen |
| CN112145990A (en) * | 2020-05-21 | 2020-12-29 | 济南明德光电科技有限公司 | Special lamp of anti-dazzle reading and writing of micrite adjusts luminance |
| CN112882276A (en) * | 2021-02-23 | 2021-06-01 | 成都京东方光电科技有限公司 | Backlight module and display panel with same |
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