CN107085328A - A kind of backlight module, display device and electronic equipment - Google Patents
A kind of backlight module, display device and electronic equipment Download PDFInfo
- Publication number
- CN107085328A CN107085328A CN201710324107.5A CN201710324107A CN107085328A CN 107085328 A CN107085328 A CN 107085328A CN 201710324107 A CN201710324107 A CN 201710324107A CN 107085328 A CN107085328 A CN 107085328A
- Authority
- CN
- China
- Prior art keywords
- guide plate
- lamp bar
- light guide
- shaped portion
- portion part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The embodiment of the invention discloses a kind of backlight module, display device and electronic equipment, the aligning accuracy for solving the incidence surface of the exiting surface of lamp bar and glass light guide plate in existing backlight module is poor, the problem of being easily caused lamp bar light leak.The backlight module includes lamp bar and light guide plate；Also include U-shaped portion part, wherein：The lamp bar is arranged at the bottom surface of the U-shaped portion part, and the incidence surface of the light guide plate is inserted in the U-shaped portion part, and the incidence surface of the exiting surface of the lamp bar and the light guide plate is oppositely arranged.Because lamp bar and light guide plate are aligned by U-shaped portion part, the side wall of the U-shaped portion part serves position-limiting action to light guide plate, so as to improve the aligning accuracy of the exiting surface of lamp bar and the incidence surface of light guide plate；Because the exiting surface of lamp bar and the incidence surface of light guide plate form the cavity body structure of closing by U-shaped portion part, it is to avoid lamp bar light leak.
Description
Technical field
The present invention relates to liquid crystal display device field, more particularly to a kind of backlight module, display device and electronic equipment.
Background technology
Liquid crystal display device (Liquid Crystal Display, abbreviation LCD) has small volume, low in energy consumption, radiation low
The advantages of, it is widely used to the equipment such as computer monitor, notebook computer, mobile phone and LCD TV.Due to liquid crystal display dress
The display panel put does not light, it is necessary to which backlight module provides light source for it in itself.At present, the main composition component bag of backlight module
Light-emitting component, reflector plate, light guide plate, optical film material and backboard etc. are included, wherein, light guide plate is used for the light for sending light-emitting component
Equably boot up, the structure and material of light guide plate determine the display brightness and uniformity of liquid crystal display device.
Traditional LC D is not ideal always in the picture presentation ability of screen edge, with the development of Display Technique, curved surface liquid
Crystal device arises at the historic moment.The curved design of whole screen of curved surface liquid crystal display device, it is possible to provide wide full-view image
Effect, either center Screen or edge, can provide the user same visual enjoyment.Due to the intensity of glass light guide plate
Greatly, can support the intensity of whole liquid crystal display device, and glass light guide plate carry out it is hot-forming after can form certain song
Rate, is able to maintain that good curvature not resilience, indeformable feature is widely used to height at present because glass light guide plate has
End curved surface ultrathin liquid crystal display device.
Back light module unit structure in current curved surface liquid crystal display device is as shown in figure 1, manufacturing process is：First lamp bar 11 is glued
On the side wall for being attached to the aluminium extruded 12 of L-type, then aluminium extruded 12 and bend glass light guide plate 13 be fixed, so as to realize lamp bar 11
The alignment of the incidence surface of incidence surface and bend glass light guide plate 13.Inventor has found in process of the present invention is realized：Existing curved surface
In the backlight module of liquid crystal display device, because lamp bar is aligned with glass light guide plate by aluminium extruded, and aluminium extruded adds in progress curved surface
Man-hour curvature can have error, and curvature is there is also error when bend glass light guide plate is hot-forming, and lamp bar is carrying out Machining of Curved Surface
When curvature can also have error, therefore, error can be accumulated when lamp bar is assembled on the wall of aluminium extruded side, then with glass light guide plate assemble
When error further accumulate so that lamp bar exiting surface and glass light guide plate incidence surface aligning accuracy it is poor, be easily caused lamp
Bar light leak.
The content of the invention
In view of this, the embodiments of the invention provide a kind of backlight module, display device and electronic equipment, solve existing
The aligning accuracy of the incidence surface of the exiting surface of lamp bar and glass light guide plate is poor in backlight module, the problem of being easily caused lamp bar light leak.
To achieve these goals, embodiments of the present invention provide following technical scheme：
There is provided a kind of backlight module in the first aspect of embodiments of the present invention, including lamp bar and light guide plate；Institute
Stating backlight module also includes U-shaped portion part, wherein：The lamp bar is arranged at the bottom surface of the U-shaped portion part, and the light guide plate enters light
Face is inserted in the U-shaped portion part, and the incidence surface of the exiting surface of the lamp bar and the light guide plate is oppositely arranged.
In one embodiment of the invention, the lamp bar is structure as a whole with the U-shaped portion part；Or the lamp bar with
The underrun glue-line connection of the U-shaped portion part.
In another embodiment of the present invention, the lamp bar and the underrun hot pressing mode of the U-shaped portion part are formed
Integrative-structure.
In yet another embodiment of the present invention, the phase of the exiting surface of the exiting surface of the light guide plate and the light guide plate
Side wall of the opposite respectively with the U-shaped portion part is be bonded by glue-line.
In yet another embodiment of the present invention, the exiting surface of the lamp bar is contacted with the incidence surface of the light guide plate and set
Put.
In yet another embodiment of the present invention, the U-shaped portion part uses toughness material or metal material.
In yet another embodiment of the present invention, the toughness material includes plastic material or elastomeric material.
In yet another embodiment of the present invention, if the U-shaped portion part uses metal material, the side wall of the U-shaped portion part
On be provided with least one towards the opening of the incidence surface of the light guide plate.
In backlight module provided in an embodiment of the present invention, lamp bar is arranged at the bottom surface of U-shaped portion part, and the incidence surface of light guide plate
It is inserted in the U-shaped portion part, because lamp bar and light guide plate are aligned by U-shaped portion part, the side wall of the U-shaped portion part is played to light guide plate
Position-limiting action, so as to improve the aligning accuracy of the exiting surface of lamp bar and the incidence surface of light guide plate.Due to the exiting surface of lamp bar
With the incidence surface of light guide plate the cavity body structure of closing is formd by U-shaped portion part, it is to avoid lamp bar light leak.
Second aspect includes any backlight module in first aspect there is provided a kind of display device, the display device.
In display device provided in an embodiment of the present invention, lamp bar is arranged at the bottom surface of U-shaped portion part, and the incidence surface of light guide plate
It is inserted in the U-shaped portion part, because lamp bar and light guide plate are aligned by U-shaped portion part, the side wall of the U-shaped portion part is played to light guide plate
Position-limiting action, so as to improve the aligning accuracy of the exiting surface of lamp bar and the incidence surface of light guide plate；Due to the exiting surface of lamp bar
With the incidence surface of light guide plate the cavity body structure of closing is formd by U-shaped portion part, it is to avoid lamp bar light leak, so as to improve display
The display effect of device.
The third aspect includes the display device in second aspect there is provided a kind of electronic equipment, the electronic equipment.
Electronic equipment provided in an embodiment of the present invention includes display device, and in the display device, lamp bar is arranged at U-shaped portion
The bottom surface of part, and the incidence surface of light guide plate is inserted in the U-shaped portion part, should because lamp bar and light guide plate are aligned by U-shaped portion part
The side wall of U-shaped portion part serves position-limiting action to light guide plate, so as to improve the exiting surface of lamp bar and the incidence surface of light guide plate
Aligning accuracy；Because the exiting surface of lamp bar and the incidence surface of light guide plate form the cavity body structure of closing by U-shaped portion part, it is to avoid
Lamp bar light leak, so as to improve the display effect of electronic equipment.
Brief description of the drawings
, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical scheme of the prior art
The accompanying drawing used required in formula or description of the prior art is briefly described.It should be evident that drawings in the following description are only
Only be it is exemplary, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer is extended, and acquisition is other to implement accompanying drawing.
Fig. 1 is the structural representation of backlight module of the prior art；
Fig. 2 is a kind of structural representation of backlight module provided in an embodiment of the present invention；
Fig. 3 A are the schematic diagram of the assembling process one for the backlight module that the embodiment of the present invention one is provided；
Fig. 3 B are the schematic diagram of the assembling process two for the backlight module that the embodiment of the present invention one is provided；
Fig. 3 C are the schematic diagram of the assembling process three for the backlight module that the embodiment of the present invention one is provided；
Fig. 3 D are the schematic diagram of the assembling process four for the backlight module that the embodiment of the present invention one is provided；
Fig. 4 A are the schematic diagram of the assembling process one for the backlight module that the embodiment of the present invention three is provided；
Fig. 4 B are the schematic diagram of the assembling process two for the backlight module that the embodiment of the present invention three is provided；
Fig. 4 C are the schematic diagram of the assembling process three for the backlight module that the embodiment of the present invention three is provided.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Currently in order to the problem of overcoming lamp bar light leak in backlight module, the scheme often taken is wide much larger than lamp bar with thickness
The bend glass light guide plate of degree, so that the light that lamp bar is sent more injects the incidence surface of bend glass light guide plate, so as to the greatest extent may be used
Can avoid the leakage problem that this contraposition deviation is brought.When it is implemented, one is the width for reducing lamp bar, if it is wide to reduce lamp bar
Degree, then can only select the less lamp bead of size, but the smaller then light efficiency of lamp bead is weaker, and selectable scope is also small；Two be to increase
The width of large curved surface glass light guide plate, but thicker glass light guide plate is costly, and be unfavorable for manufacturing ultra-thin display device.This
In the backlight module that inventive embodiments are provided, lamp bar and light guide plate are aligned by U-shaped portion part, and the side wall of the U-shaped portion part is to leaded light
Plate serves position-limiting action, so as to improve the aligning accuracy of the exiting surface of lamp bar and the incidence surface of light guide plate；Due to lamp bar
The incidence surface of exiting surface and light guide plate forms the cavity body structure of closing by U-shaped portion part, it is to avoid lamp bar light leak, beneficial to manufacture
Ultra-thin display device.
The structure of backlight module provided in an embodiment of the present invention is as shown in Fig. 2 including lamp bar 21 and light guide plate 22, lamp bar 21
Curvature and the curvature of light guide plate 22 match；Backlight module also includes U-shaped portion part 23, wherein：Lamp bar 21 is arranged at U-shaped portion part
23 bottom surface, the incidence surface 221 of light guide plate 22 is inserted in the U-shaped portion part 23, exiting surface 211 and the light guide plate 22 of lamp bar 21
Incidence surface 221 is oppositely arranged.
In the embodiment of the present invention, lamp bar includes circuit board (such as printed circuit board (Printed Circuit Board, abbreviation
)) and multiple LEDs for being arranged on the circuit board PCB.Wherein, circuit board contacts setting with the bottom surface of U-shaped portion part, the plurality of
The exiting surface of LED formation lamp bar.
In the embodiment of the present invention, lamp bar is arranged at the bottom surface of U-shaped portion part, and the incidence surface of light guide plate is inserted in the U-shaped portion
In part, because lamp bar and light guide plate are aligned by U-shaped portion part, the side wall of the U-shaped portion part serves position-limiting action to light guide plate, from
And improve the aligning accuracy of the exiting surface of lamp bar and the incidence surface of light guide plate；Because the exiting surface and light guide plate of lamp bar enter light
Face forms the cavity body structure of closing by U-shaped portion part, it is to avoid lamp bar light leak.
In the embodiment of the present invention, on the basis of the curvature of light guide plate, the curvature of lamp bar needs the Curvature Matching with light guide plate,
I.e. the difference of the curvature of lamp bar and the curvature of light guide plate meets the error requirements of setting, so that the curvature and the song of light guide plate of lamp bar
Rate is as far as possible equal；The curvature of U-shaped portion part is also required to the song of the Curvature Matching with light guide plate, the i.e. curvature of U-shaped portion part and light guide plate
The difference of rate meets the error requirements of setting, the phase so that curvature of the curvature of lamp bar, the curvature of light guide plate and U-shaped portion part is tried one's best
Deng.
In the embodiment of the present invention, the length towards light guide plate direction of two side walls of U-shaped portion part can be according to backlight mould
The assembling demand of group is set, and two side walls of U-shaped portion part could be arranged to wait long structure, it can also be provided that Length discrepancy structure.
In the embodiment of the present invention, in order to avoid lamp bar light leak, optionally, U-shaped portion part uses light screening material.
In the embodiment of the present invention, due to light emitting diode (Light Emitting Diode, abbreviation LED) lamp in lamp bar
It can generate heat, optionally, U-shaped portion part uses the material of exotic material, such as 100 DEG C of heatproof.
In the embodiment of the present invention, because the intensity of glass light guide plate is big, the strong of whole liquid crystal display device can be supported
Degree, and glass light guide plate carry out it is hot-forming after can form certain curvature, due to glass light guide plate have be able to maintain that it is good
Curvature not resilience, indeformable feature, optionally, light guide plate are glass light guide plate.Certainly, the light guide plate of the embodiment of the present invention
Glass material is not limited to, it would however also be possible to employ other materials, for example, polymethyl methacrylate (Polymethyl
Methacrylate, abbreviation PMMA) material etc..
Below by following four specific embodiment, backlight module provided in an embodiment of the present invention is described in detail.
Embodiment one：
In the backlight module that the present embodiment is provided, U-shaped portion part uses toughness material, and lamp bar is arranged at the bottom surface of U-shaped portion part,
The incidence surface of light guide plate is inserted in the U-shaped portion part, so that the incidence surface of light guide plate and U-shaped portion part formation closed cavity knot
Structure, wherein, the exiting surface of lamp bar and the incidence surface of light guide plate are oppositely arranged.
In the present embodiment, because U-shaped portion part uses toughness material, when the incidence surface of light guide plate is inserted in the U-shaped portion part,
The curvature of U-shaped portion part can preferably match the curvature of light guide plate, further increase the exiting surface of lamp bar and entering for light guide plate
The aligning accuracy of smooth surface.
Optionally, the toughness material includes plastic material or elastomeric material.For example, polyethylene terephthalate
(Polyethylene terephthalate, abbreviation PET), makrolon (Polycarbonate, abbreviation PC) etc..
In the present embodiment, because U-shaped portion part uses toughness material, between the exiting surface of light guide plate and the side wall of U-shaped portion part,
And may have gap between the opposite face of the exiting surface of the light guide plate and the side wall of U-shaped portion part, so as to cause lamp bar to be leaked
Light.In order to avoid above-mentioned situation, the side wall of the opposite face of the exiting surface of light guide plate and the exiting surface respectively with U-shaped portion part passes through
Glue-line is bonded, and on the one hand strengthens the connection between U-shaped portion part and light guide plate, further increases the exiting surface and leaded light of lamp bar
The aligning accuracy of the incidence surface of plate, on the other hand due to foring sealed cavity body structure, it is to avoid lamp bar light leak.
Because the LED in lamp bar can generate heat, optionally, the opposite face difference of the exiting surface of light guide plate and the exiting surface
With the side wall of U-shaped portion part by high temperature resistant and can heat conduction glue-line it is Nian Jie.
In the present embodiment, as a kind of possible implementation, lamp bar is structure as a whole with U-shaped portion part.Due to lamp bar and U
Type part is structure as a whole, and reduces accumulated error when lamp bar and U-shaped portion part are assembled, thus improve the exiting surface of lamp bar with
The aligning accuracy of the incidence surface of light guide plate.
Specifically, lamp bar and the bottom surface of U-shaped portion part can form integrative-structure by hot pressing mode.Certainly, the present embodiment
In do not limit hot pressing mode, the bottom surface of lamp bar and U-shaped portion part can also be using other modes formation integrative-structure.
As alternatively possible implementation, lamp bar is Nian Jie with the underrun glue-line of U-shaped portion part.Due to lamp bar and U
The underrun glue-line bonding of type part, good fixing effect reduces accumulated error when lamp bar is assembled with U-shaped portion part, so that
Improve the aligning accuracy of the exiting surface of lamp bar and the incidence surface of light guide plate.
Because the LED in lamp bar can generate heat, optionally, the opposite face difference of the exiting surface of light guide plate and the exiting surface
With the side wall of U-shaped portion part by high temperature resistant and can heat conduction glue-line it is Nian Jie.
In the present embodiment, optionally, the exiting surface of lamp bar contacts setting with the incidence surface of light guide plate.Due to the light extraction of lamp bar
The distance of the incidence surface of face and light guide plate is nearer, and the light amount of incident of the incidence surface of light guide plate is bigger, and light amount of incident is bigger, light profit
It is higher with rate, due to using contact set-up mode, further increasing light utilization efficiency.
Embodiment two：
The assembling process of the backlight module described in embodiment one is described in detail in the present embodiment, detailed process
It is as follows：
First, by hot pressing or bonding way, lamp bar 31 is arranged on the glue-line 33 of base material 32, composite construction is formed,
Wherein, lamp bar 31 includes PCB311 and LED 312, and PCB311 is arranged on the glue-line 33 of base material 32.Fig. 3 A show that this is combined
Structural plan expansion top view, Fig. 3 B show the composite construction planar development side view.Wherein, base material is one side covered with glue
The toughness material of layer, the base material has light-proofness, good toughness and heat-resisting quantity.Glue-line on base material has good
Toughness and thermal conductivity.
Then, bending processing is carried out to the composite construction, forms U-shape structure, as shown in Figure 3 C.
Finally, one end (i.e. one end comprising incidence surface) of light guide plate 34 is plugged in the U-shape structure, and makes light guide plate
34 incidence surface contacts setting with the exiting surface of lamp bar 31, as shown in Figure 3 D.
Component assembling process afterwards is same as the prior art, and here is omitted.
Embodiment three：
In the backlight module that the present embodiment is provided, U-shaped portion part uses metal material, and lamp bar is arranged at the bottom surface of U-shaped portion part；
The incidence surface of light guide plate is inserted in the U-shaped portion part, and the exiting surface of lamp bar and the incidence surface of light guide plate are oppositely arranged.
In the present embodiment, because U-shaped portion part uses metal material, preferably the heat that lamp bar is produced can be dissipated
Heat, so as to ensure that the performance of backlight module.
In the present embodiment, due between the exiting surface of light guide plate and the side wall of U-shaped portion part and the light guide plate exiting surface
Opposite face and the U-shaped portion part side wall between may have gap, so as to cause lamp bar light leak.In order to avoid above-mentioned feelings
Pass through between the side wall of the opposite face and U-shaped portion part of condition, the exiting surface of light guide plate and the side wall of U-shaped portion part and the exiting surface
Glue-line is bonded, so as to avoid lamp bar light leak.Due to being bonded by glue-line, can further reinforce U-shaped portion part and light guide plate it
Between connection, so as to improve the aligning accuracy of the exiting surface of lamp bar and the incidence surface of light guide plate.
Because the LED in lamp bar can generate heat, optionally, the opposite face difference of the exiting surface of light guide plate and the exiting surface
With the side wall of U-shaped portion part by high temperature resistant and can heat conduction glue-line it is Nian Jie.
In the present embodiment, as a kind of possible implementation, lamp bar is structure as a whole with U-shaped portion part.Due to lamp bar and U
Type part is structure as a whole, and reduces accumulated error when lamp bar and U-shaped portion part are assembled, thus improve the exiting surface of lamp bar with
The aligning accuracy of the incidence surface of light guide plate.
Specifically, lamp bar and the bottom surface of U-shaped portion part can form integrative-structure by hot pressing mode.Certainly, the present embodiment
In do not limit hot pressing mode, the bottom surface of lamp bar and U-shaped portion part can also be using other modes formation integrative-structure.
As alternatively possible implementation, lamp bar is Nian Jie with the underrun glue-line of U-shaped portion part.Due to lamp bar and U
The underrun glue-line bonding of type part, good fixing effect reduces accumulated error when lamp bar is assembled with U-shaped portion part, so that
Improve the aligning accuracy of the exiting surface of lamp bar and the incidence surface of light guide plate.
Because the LED in lamp bar can generate heat, optionally, the underrun high temperature resistant of lamp bar and U-shaped portion part and can heat conduction
Glue-line bonding.
In the present embodiment, optionally, the exiting surface of lamp bar contacts setting with the incidence surface of light guide plate.Due to the light extraction of lamp bar
The distance of the incidence surface of face and light guide plate is nearer, and the light amount of incident of the incidence surface of light guide plate is bigger, and light amount of incident is bigger, light profit
It is higher with rate, due to using contact set-up mode, further increasing light utilization efficiency.
,, can in order to reduce the influence of metal material stress itself because U-shaped portion part uses metal material in the present embodiment
Choosing, at least one is provided with the side wall of the U-shaped portion part towards the opening of the incidence surface of the light guide plate.
Further, since being provided with opening on the side wall of the U-shaped portion part, it is easy to accomplish the assembling of U-shaped portion part and light guide plate,
Error when reducing U-shaped portion part with assembling light guiding plate.
Example IV：
The assembling process of the backlight module described in embodiment three is described in detail in the present embodiment, detailed process
It is as follows：
First, slot treatment is carried out on the side wall of U-shaped portion part 41, multiple openings 411 are formed, as shown in Figure 4 A；
Then, lamp bar 42 is assembled on the bottom surface of U-shaped portion part 41, forms composite construction, as shown in Figure 4 B；Lamp bar 42 is wrapped
PCB421 and LED 422 are included, PCB421 is arranged on the bottom surface of U-shaped portion part 41；
Finally, one end (i.e. one end comprising incidence surface) of light guide plate 43 is plugged in the U-shaped portion part 41, and makes leaded light
The incidence surface of plate 43 docks setting with the exiting surface of lamp bar 42, as shown in Figure 4 C.
Component assembling process afterwards is same as the prior art, and here is omitted.
Embodiment five：
Present embodiments provide a kind of display device, the backlight mould described in any of the above-described embodiment of display device
Group.
In the present embodiment, display device can be twisted nematic (Twisted Nematic, abbreviation TN), super twisted
Formula nematic (Super Twisted Nematic, abbreviation STN), double-layer super-twist nematic (Dual Scan Tortuosity
Nomograph, abbreviation DSTN), thin-film transistors type (Thin Film Transistor, abbreviation TFT) etc., the present embodiment is not
Limit the type of display device.
In the display device that the present embodiment is provided, lamp bar is arranged at the bottom surface of U-shaped portion part, and the incidence surface of light guide plate is plugged
In in the U-shaped portion part, because lamp bar and light guide plate are aligned by U-shaped portion part, the side wall of the U-shaped portion part serves limit to light guide plate
Position effect, so as to improve the aligning accuracy of the exiting surface of lamp bar and the incidence surface of light guide plate；Due to lamp bar exiting surface and lead
The incidence surface of tabula rasa forms the cavity body structure of closing by U-shaped portion part, it is to avoid lamp bar light leak, so as to improve display device
Display effect.
Embodiment six：
A kind of electronic equipment is present embodiments provided, the display device described in the electronic equipment above-described embodiment six.
In the present embodiment, electronic equipment can be liquid crystal panel, display, mobile phone, television set, tablet personal computer, notebook
Any product with display function such as computer, DPF, navigator, the present embodiment does not limit the type of electronic equipment.
The electronic equipment that the present embodiment is provided includes display device, and in the display device, lamp bar is arranged at U-shaped portion part
Bottom surface, and the incidence surface of light guide plate is inserted in the U-shaped portion part, because lamp bar and light guide plate are aligned by U-shaped portion part, this is U-shaped
The side wall of part serves position-limiting action to light guide plate, so as to improve the contraposition of the exiting surface of lamp bar and the incidence surface of light guide plate
Precision；Because the exiting surface of lamp bar and the incidence surface of light guide plate form the cavity body structure of closing by U-shaped portion part, it is to avoid lamp
Bar light leak, so as to improve the display effect of electronic equipment.
It should be noted that in the embodiment of the present invention, term " comprising ", "comprising" or its any other variant are intended to contain
Lid nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.Term " on ", " under " etc. refers to
The orientation or position relationship shown is, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplify
Description, rather than indicate or imply that the device or element of meaning must have specific orientation, with specific azimuth configuration and behaviour
Make, therefore be not considered as limiting the invention.Unless otherwise clearly defined and limited, term " installation ", " connected ",
" connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be two
The connection of element internal.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in invention.
The foregoing description of the disclosed embodiments, enables those skilled in the art to realize or using the present invention.To this
A variety of modifications of a little embodiments will be apparent for a person skilled in the art, and generic principles defined herein can
In the case where not departing from principles and scope of the present invention, to realize in other embodiments.Therefore, the present invention will not be limited
It is formed on the embodiments shown herein, and is to fit to consistent with features of novelty with principles disclosed herein most wide
Scope.
Claims (10)
1. a kind of backlight module, including lamp bar and light guide plate, it is characterised in that the backlight module also includes U-shaped portion part, its
In：
The lamp bar is arranged at the bottom surface of the U-shaped portion part, and the incidence surface of the light guide plate is inserted in the U-shaped portion part, institute
The incidence surface for stating the exiting surface and the light guide plate of lamp bar is oppositely arranged.
2. backlight module according to claim 1, it is characterised in that the lamp bar is structure as a whole with the U-shaped portion part；
Or the lamp bar is connected with the underrun glue-line of the U-shaped portion part.
3. backlight module according to claim 2, it is characterised in that the lamp bar and the underrun of the U-shaped portion part
Hot pressing mode formation integrative-structure.
4. backlight module according to claim 1, it is characterised in that the exiting surface of the light guide plate and the light guide plate
Exiting surface side wall of the opposite face respectively with the U-shaped portion part it is be bonded by glue-line.
5. backlight module according to claim 1, it is characterised in that the exiting surface of the lamp bar enters with the light guide plate
Smooth surface contact is set.
6. the backlight module according to claim any one of 1-5, it is characterised in that the U-shaped portion part uses toughness material
Or metal material.
7. backlight module according to claim 6, it is characterised in that the toughness material includes plastic material or rubber
Material.
8. backlight module according to claim 6, it is characterised in that if the U-shaped portion part uses metal material, the U
At least one is provided with the side wall of type part towards the opening of the incidence surface of the light guide plate.
9. a kind of display device, it is characterised in that the display device includes the backlight mould as described in claim any one of 1-8
Group.
10. a kind of electronic equipment, it is characterised in that the electronic equipment includes display device as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710324107.5A CN107085328A (en) | 2017-05-09 | 2017-05-09 | A kind of backlight module, display device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710324107.5A CN107085328A (en) | 2017-05-09 | 2017-05-09 | A kind of backlight module, display device and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107085328A true CN107085328A (en) | 2017-08-22 |
Family
ID=59611346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710324107.5A Pending CN107085328A (en) | 2017-05-09 | 2017-05-09 | A kind of backlight module, display device and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107085328A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873922A (en) * | 2018-08-30 | 2020-03-10 | 苏州璨宇光学有限公司 | Backlight module and display device using same |
-
2017
- 2017-05-09 CN CN201710324107.5A patent/CN107085328A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873922A (en) * | 2018-08-30 | 2020-03-10 | 苏州璨宇光学有限公司 | Backlight module and display device using same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9128314B2 (en) | Display apparatus and method for manufacturing the same | |
| US10989860B2 (en) | Backlight module and display device | |
| US8154679B2 (en) | Flat panel display and method thereof | |
| US8531624B2 (en) | LCD device | |
| US20100118563A1 (en) | Light guide plate and display apparatus | |
| US9772442B2 (en) | Optical film assembly mounting structure | |
| JP5568213B2 (en) | Light emitting device | |
| US20140043558A1 (en) | Liquid crystal display device and method of manufacturing the same | |
| US10488690B2 (en) | Display device and assembling method thereof | |
| US20090033832A1 (en) | Backlight module and application thereof | |
| CN103901642A (en) | Liquid crystal display device | |
| WO2015103801A1 (en) | Backlight module and liquid crystal display device using backlight module | |
| US10613371B2 (en) | Liquid crystal display device | |
| WO2017190380A1 (en) | Liquid crystal display apparatus having adhesive-free frame and packaging method thereof | |
| US8174638B2 (en) | Liquid crystal display device | |
| WO2018113001A1 (en) | Light guide plate and liquid crystal module | |
| TWM572469U (en) | Backlight module and display device thereof | |
| US8947615B2 (en) | Frameless liquid crystal display device | |
| US20150124483A1 (en) | Backlight assembly and display apparatus having the same | |
| CN107085328A (en) | A kind of backlight module, display device and electronic equipment | |
| US20160187569A1 (en) | Liquid Crystal Display Device And Method For Manufacturing LGP Positioning Block Thereof | |
| US9322982B2 (en) | Backlight module and liquid crystal display device using same | |
| US9844155B2 (en) | Display panel and display apparatus having the same | |
| TWI390302B (en) | Back light module and optical device using the same | |
| US9395477B2 (en) | Display apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170822 |