CN105807486B - A kind of side entrance back module and display device - Google Patents
A kind of side entrance back module and display device Download PDFInfo
- Publication number
- CN105807486B CN105807486B CN201610136669.2A CN201610136669A CN105807486B CN 105807486 B CN105807486 B CN 105807486B CN 201610136669 A CN201610136669 A CN 201610136669A CN 105807486 B CN105807486 B CN 105807486B
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- guide plate
- light guide
- posting
- locating piece
- back module
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- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 description 11
- 239000004973 liquid crystal related substance Substances 0.000 description 9
- 230000008859 change Effects 0.000 description 7
- 239000011521 glass Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 5
- 239000004926 polymethyl methacrylate Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- 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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
Abstract
The embodiment of the present invention provides a kind of side entrance back module and display device, it is related to the technical field of display device, changing the distance between light guide plate and lamp bar when to solve the problems, such as light guide plate expanded by heating in the prior art will affect light-emitting uniformity even damage lamp bar and invent.A kind of side entrance back module, including backboard, backboard is equipped with light guide plate and lamp bar, lamp bar is located at the incident side of light guide plate, the side opposite with the incident side of light guide plate is equipped with the first location structure, first location structure includes locating piece and posting, posting is fixed relative to backboard, the side of locating piece is fixedly connected with light guide plate, the other side and the posting cooperate, the posting can limit the locating piece and move along the direction of the light-emitting surface perpendicular to the light guide plate, when light guide plate expanded by heating, light guide plate can push locating piece mobile to the direction of posting.The present invention is used to protect the lamp bar of display device and guarantees light-emitting uniformity.
Description
Technical field
The present invention relates to the technical field of display device more particularly to a kind of side entrance back modules and display device.
Background technique
With the continuous development of science and technology, continuous improvement of people's living standards, television set, computer etc. are with display dress
The product set has come into huge numbers of families, and since liquid crystal display device has, image definition is high, fuselage is frivolous, using the longevity
Life is long, environmental protection and energy saving and it is smaller to the stimulation of human eye many advantages, such as, it has also become head of the more and more users when purchasing
It selects.
For the thickness of the backlight module entirety of reduction liquid crystal display device, available liquid crystal display device mostly uses side to go out light
Form provide backlight for liquid crystal display panel, light guide plate is the critical elements in the backlight module of liquid crystal display device.Currently, guide-lighting
The material of plate is mostly glass or PMMA (polymethyl methacrylate is commonly called as " organic glass "), but anti-due to glass material
Vibration performance and processing performance are poor, when processing the structures such as equipotential hole, chamfering, are easy that glass light guide plate is made to generate slight crack, give
Processing technology brings huge difficulty.Therefore, the material of light guide plate used in liquid crystal display device is largely PMMA at present,
Its material cost is lower and processing performance is much better compared to glass.But the thermal expansion coefficient of PMMA material is bigger,
It can only be used when temperature is lower than 80 DEG C (degree Celsius), temperature is higher than 80 DEG C, and PMMA material can seriously be heated, and causes deformation tight
Weight, makes the distance between light guide plate and lamp bar change, to change entire mould group light-emitting uniformity.If deformation quantity is more
Greatly, it even will cause the case where squeezing lamp bar, keep lamp bar impaired, it can not normal use.
When lamp bar shines, light guide plate incident side is because heated can be deformed.As shown in Figure 1, due to current light guide plate
01 two sides and the side of separate incident side are fixed by positioning column 02, and light guide plate 01 is fixedly installed far from the side of incident side
Two pieces of positioning rubber blocks 03 play the role of protecting light guide plate 01.The heated reserved space for generating deformation of light guide plate 01, by positioning
The reserved space of column 02 and the location hole 011 on light guide plate 01 and tolerance determine, if the reserved space or public affairs of location hole 011
Difference is too big, and positioning column 02 does not just have the effect of lightguide plate fixing 01；If tolerance is too small, and does not accommodate the shape of light guide plate 01
Become, the spacing that will lead between conduit version 01 and lamp bar 04 changes, and the light-emitting uniformity of backlight module is influenced, if deformation quantity
The extruding that more also will cause light guide plate 01 and lamp bar 04 greatly even damages lamp bar 04.
Summary of the invention
The embodiment of the present invention provides a kind of side entrance back module and display device, and the side entrance back module is in leaded light
The distance between light guide plate and lamp bar will not be changed after plate expanded by heating, avoid squeezing even damage lamp bar, and ensure that this is aobvious
The light-emitting uniformity of showing device.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
A kind of side entrance back module, including backboard, the backboard are equipped with light guide plate and lamp bar, and the lamp bar is located at institute
The incident side for stating light guide plate, the side opposite with the incident side of the light guide plate are equipped with the first location structure, first positioning
Structure includes locating piece and posting, and the posting is fixed relative to the backboard, and the side of the locating piece is led with described
Tabula rasa is fixedly connected, and the other side and the posting cooperate, and the posting can limit the locating piece edge and lead perpendicular to described
The direction of the light-emitting surface of tabula rasa is mobile, and when the light guide plate expanded by heating, the light guide plate can push the locating piece to institute
The direction for stating posting is mobile.
The embodiment of the present invention also provides a kind of display device, which includes side entrance back mould as described above
Group.
Compared to the prior art, in side entrance back module and display device provided in an embodiment of the present invention, locating piece
Side and posting cooperate, and posting can limit locating piece and move along the direction of the light-emitting surface perpendicular to light guide plate, so that
The light guide plate for being fixedly connected on locating piece side can not generate moving along the direction of the light-emitting surface perpendicular to light guide plate, avoid
Light guide plate generates shaking.In light guide plate in expanded by heating, light guide plate will push locating piece to the movement of the direction of posting, so that
Deformation when light guide plate expanded by heating is moved along away from the direction where lamp bar, because of the light out without influencing backlight module
The case where macrolesion lamp bar is crossed in deformation, will not occur in the problem of uniformity.Using the structure pair of locating piece and posting cooperation
Light guide plate is fixed, and neither will cause reserved space and crosses ambassador's light guide plate and leads to the problem of shaking, also avoid light guide plate by
Change at a distance from lamp bar the case where even mutual extrusion even damages lamp bar appearance when thermal deformation, and ensure that backlight mould
The light-emitting uniformity of group.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the assembling figure for the side entrance back module that the prior art provides；
Fig. 2 is a kind of assembling figure of side entrance back module provided in an embodiment of the present invention；
Fig. 3 is a kind of sectional view of side entrance back module provided in an embodiment of the present invention, and wherein light guide plate is not heated；
Fig. 4 is a kind of sectional view of side entrance back module provided in an embodiment of the present invention, wherein light guide plate expanded by heating
Push locating piece mobile to the direction of posting；
Fig. 5 is a kind of main view of the locating piece of side entrance back module provided in an embodiment of the present invention, wherein locating piece
Opening be in " V "-shape；
Fig. 6 is a kind of sectional view of first location structure of side entrance back module provided in an embodiment of the present invention, wherein
The side that locating piece is equipped with opening is extruded contraction.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
It is logical.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Liquid crystal display device is that voltage is added in liquid crystal between two glass, passes through molecules align variation and tortuous becomes
Change and carry out reproduced picture, screen manufactures picture by the collision of electronic population, and is reflected by the perspective of extraneous light to form picture.
Liquid crystal must could shine by additional light source.
Backlight display device can be divided by the incoming position division of light source: straight-down negative and side entering type two major classes.Side entering type
Display device is since by backlight side, the volume of display device especially thickness can significantly reduce.
A kind of side entrance back module provided in an embodiment of the present invention, as shown in Figures 2 to 4, including backboard 1, on backboard 1
Equipped with light guide plate 2 and lamp bar 3, lamp bar 3 is located at the incident side of light guide plate 2, and the side opposite with the incident side of light guide plate 2 is equipped with the
One location structure 4, the first location structure 4 include locating piece 41 and posting 42, and posting 42 is fixed relative to backboard 1, positioning
The side of part 41 is fixedly connected with light guide plate 2, and the other side and posting 42 cooperate, and posting 42 can limit locating piece 41 along vertical
Mobile in the direction of the light-emitting surface of light guide plate 2, when 2 expanded by heating of light guide plate, light guide plate 2 can push locating piece 41 to posting
42 direction is mobile.
Compared to the prior art, in side entrance back module provided in an embodiment of the present invention, the side of locating piece 41 and fixed
Position frame 42 cooperates, and posting 42 can limit locating piece 41 and move along the direction of the light-emitting surface perpendicular to light guide plate 2, so that solid
Surely the light guide plate 2 for being connected to 41 side of locating piece can not generate moving along the direction of the light-emitting surface perpendicular to light guide plate 2, keep away
Exempt from light guide plate 2 and generates shaking.In light guide plate 2 in expanded by heating, light guide plate 2 will push locating piece 41 to the direction of posting 42
It is mobile, so that deformation when 2 expanded by heating of light guide plate is moved along away from the direction where lamp bar 3, because without influencing to carry on the back
The case where macrolesion lamp bar 3 is crossed in deformation, will not occur in the problem of light-emitting uniformity of optical mode group.Using locating piece 41 and positioning
Light guide plate 2 is fixed in the structure that frame 42 cooperates, and neither will cause reserved space and crosses asking for the generation shaking of ambassador's light guide plate 2
Topic, the even mutual extrusion that changes at a distance from lamp bar 3 when also avoiding 2 temperature distortion of light guide plate even damage lamp bar 3
Situation occurs, and ensure that the light-emitting uniformity of backlight module.
Specifically, as shown in Fig. 3, Fig. 4 and Fig. 6, posting 42 includes guide groove 421, the notch direction of guide groove 421
Light guide plate 2, locating piece 41 are equipped with opening far from the side of light guide plate 2, and opening is equipped with opening towards guide groove 421, locating piece 41
Side protrude into and in guide groove 421 and be directed to the inner wall 422 of slot 421 and squeeze and shrink.Locating piece 41 be equipped with opening side into
After entering in the guide groove 421 of posting 42, opening portion is squeezed to generate by the inner wall 422 of the guide groove 421 of posting 42
Outside tension is fixed on locating piece 41 in the guide groove 421 of the posting 42, using locating piece 41 be open tension and
Frictional force between the inner wall 422 of the guide groove 421 of locating piece 41 and posting 42 carrys out lightguide plate fixing 2, to limit leaded light
Plate 2 generates moving along the direction of the light-emitting surface perpendicular to light guide plate 2, and light guide plate 2 is avoided to generate shaking.Simultaneously as guide-lighting
Space, therefore light guide plate 2 can be fed by having between the side opposite with the incident side of light guide plate 2 and the first location structure 4 on plate 2
When expanded by heating, light guide plate 2 will push locating piece 41 and move to the direction of posting 42, be heated so as to avoid light guide plate 2 swollen
The problem of deformation when swollen influences the light-emitting uniformity of backlight module towards lamp bar 3, deformation will not occurs and cross macrolesion
The case where lamp bar 3.
For ensure light guide plate 2 after expanded by heating its deformation can towards posting 42, as shown in Fig. 2, on light guide plate 2 with
The adjacent two sides of incident side pass through fixed structure 5 respectively and are fixedly connected with backboard 1, incident side of the fixed structure 5 close to light guide plate 2
Setting.When light guide plate 2 is heated generates deformation, light guide plate 2 is divided into two along the line of two sides fixed structure by fixed structure 5
Point, it, will not be to light-emitting uniformity close to its incident side partially due to small volume, is not likely to produce deformation or deformation quantity is smaller
It has an impact, and a part of the incident side far from light guide plate 2, since its side far from incident side can be to posting 42
Direction is mobile, and therefore, the deformation that 2 expanded by heating of light guide plate generates can be directed away from the direction of the incident side of light guide plate 2.
Specifically, it as shown in Fig. 2, fixed structure 5 includes the locating slot 51 for being set to 2 two sides of light guide plate, and is set to
Positioning column 52 on backboard 1, locating slot 51 and the cooperation of positioning column 52 are clamped.It will using locating slot 51 and the cooperation of positioning column 52 clamping
The two sides of light guide plate 2 and backboard 1 are fixed, and structure is simple, easy for installation, and it is low to repair replacement difficulty.
To reduce production difficulty and production cost, as shown in Figure 5 and Figure 6, side of the locating piece 41 far from light guide plate 2 is opened
Mouth is in " V "-shape.After the side that locating piece 41 is equipped with " V " font opening enters in the guide groove 421 of posting 42, it is directed to
Two inner walls 422 of slot 421 squeeze, so that the opening angle of " V " font opening is by θ1It is decreased to θ2, the angular aperture of " V " font opening
Degree generates tension and frictional force during being extruded and reducing, thus light guide plate 2 is fixed, and when opening is in " V "-shape,
The production of locating piece 41 and manufacture difficulty are minimum, and materials relatively save, and have saved production cost.
To ensure that the first location structure 4 can be fixed by light guide plate 2 but also enables light guide plate 2 to push in expanded by heating
Locating piece 41 is mobile to the direction of posting 42, constitutes the angle theta between two sides of " V " font1Angular range be 37 °~
150°.Constitute the angle theta between two sides of " V " font1When less than 37 °, the opening angle of locating piece 41 is smaller, to make to position
The inner wall of frame 42 can squeeze locating piece 41, and the spacing between two inner walls 422 of the guide groove 421 of posting 42 also can be smaller,
At this point, the light guide plate 2 being located in posting 42 may be with the inner wall of guide groove 421 during expanded by heating generates deformation
To generate friction, this makes light guide plate 2 generate deformation after expanded by heating for 422 contacts, pushes locating piece 41 to posting 42
During movement, the friction between locating piece 41 and the inner wall 422 of guide groove 421 is not only overcome, it is also necessary to overcome leaded light
Friction between plate 2 and the inner wall 422 of guide groove 421 pushes locating piece 41 if light guide plate 2 generates deformation after expanded by heating
Power be not enough to overcome the sum of the two frictional force, will lead to the deformation of light guide plate 2 towards its incident side；And guide groove 421
Spacing between two inner walls 422 is too small or even light guide plate 2 can be made to cannot be introduced into during expanded by heating generates deformation calmly
In the frame 42 of position, so as to cause light guide plate 2 deformation towards its incident side 21.The deformation of light guide plate 2 to lead towards its incident side
The distance between incident side 21 and lamp bar 3 of tabula rasa 2 reduce, so that the light-emitting uniformity of backlight module is influenced, the change of light guide plate 2
When shape is serious, it is also possible to squeeze even damage lamp bar 3.Constitute the angle theta between two sides of " V " font1When greater than 150 °,
The opening angle of locating piece 41 is excessive, if the spacing at this time between two inner walls 422 of guide groove 421 is smaller, will lead to positioning
Frictional force between part 41 and posting 42 is larger, pushes locating piece 41 to posting 42 after being unfavorable for 2 expanded by heating of light guide plate
Movement；If will increase the thickness of backlight module but when the spacing setting between two inner walls 422 of guide groove 421 is larger, producing
The aesthetic appearance degree of product reduces.
Further, ensuring that the first location structure 4 can make the light guide plate 2 of expanded by heating push locating piece 41 to positioning
In the case that frame 42 is mobile, to keep the thickness of backlight module smaller, the angle theta between two sides of " V " font is constituted1Angle
Range is 45 °~90 °.Constitute the angle theta between two sides of " V " font1When for acute angle or right angle, guide groove 421 two in
Spacing between wall 422 is little, convenient for the control to backlight module thickness.And when the folder between two sides for constituting " V " font
Angle θ1When more than or equal to 45 °, the spacing between two inner walls 422 of guide groove 421 is sufficient to accommodate light guide plate 2, so that light guide plate 2 exists
When expanded by heating is mobile to posting 42, zerofriction force between light guide plate 2 and posting 42.
For the cost of manufacture for reducing locating piece 41, the side that locating piece 41 is equipped with opening is made of rubber.Rubber material
Cheap, machinability is good, and rubber material it is mutual when the object with other materials contacts friction it is larger, can
Keep the fixation of light guide plate 2 more firm.
It is by making between locating piece 41 and posting 42 that posting 42 and locating piece 41, which cooperate the fixation of light guide plate 2,
The mode that frictional force increases is realized, to increase generated frictional force after cooperating between locating piece 41 and posting 42,
It can be realized by way of increasing the pressure between locating piece 41 and posting 42, and since posting 42 is solid with 1 phase of backboard
It is fixed, after the pressure between locating piece 41 and posting 42 increases, if posting 42 there is smaller deformation and do not occur shape even
When change, posting 42 and locating piece 41 cooperate generated frictional force to reach maximum, therefore, are made using metal or rigid plastics
Make posting 42, it can be ensured that generated frictional force is larger after cooperating between locating piece 41 and posting 42, and metal or hard
Matter plastics materials are convenient, and finished product is hardly damaged, long service life.
A kind of display device, including side entrance back module as described above.The light guide plate of the display device be heated it is swollen
When swollen, the spacing between the incident side of light guide plate and lamp bar will not be changed, to avoid damage to lamp bar and ensure that uniform in light emission
Property.
Due to the side entrance back module and above-mentioned side entrance back module used in the display device of this embodiment
The side entrance back module provided in each embodiment is identical, therefore the two is able to solve identical technical problem, and reaches identical
Desired effect.
Other compositions of display device about the embodiment of the present invention etc. have been well known to those skilled in the art, herein
No longer it is described in detail.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of side entrance back module, including backboard, the backboard is equipped with light guide plate and lamp bar, and the lamp bar is located at described
The incident side of light guide plate, which is characterized in that the side opposite with the incident side of the light guide plate is equipped with the first location structure, described
First location structure includes locating piece and posting, and the posting is fixed relative to the backboard, the side of the locating piece
It is fixedly connected with the light guide plate, the other side and the posting cooperate, and the posting can limit the locating piece along vertical
Mobile in the direction of the light-emitting surface of the light guide plate, when the light guide plate expanded by heating, the light guide plate can push described fixed
Position part is mobile to the direction of the posting.
2. side entrance back module according to claim 1, which is characterized in that the posting includes guide groove, described
The notch of guide groove is equipped with opening, the opening court far from the side of the light guide plate towards the light guide plate, the locating piece
To the guide groove, the side that the locating piece is equipped with the opening is protruded into the guide groove and by the inner wall of the guide groove
It squeezes and shrinks.
3. side entrance back module according to claim 1, which is characterized in that adjacent with incident side on the light guide plate
Two sides pass through fixed structure respectively and are fixedly connected with the backboard, and the fixed structure is set close to the incident side of the light guide plate
It sets.
4. side entrance back module according to claim 3, which is characterized in that the fixed structure is described including being set to
The locating slot of light guide plate two sides, and the positioning column being set on the backboard, the locating slot and positioning column cooperation block
It connects.
5. side entrance back module according to claim 2, which is characterized in that the locating piece is far from the light guide plate
The opening of side is in " V "-shape.
6. side entrance back module according to claim 5, which is characterized in that two sides of " V " font described in composition it
Between angle angular range be 37 °~150 °.
7. side entrance back module according to claim 6, which is characterized in that two sides of " V " font described in composition it
Between angle angular range be 45 °~90 °.
8. side entrance back module according to claim 2, which is characterized in that the locating piece is equipped with the side of opening
It is made of rubber.
9. side entrance back module according to claim 1, which is characterized in that the posting is by metal or rigid plastics
It is made.
10. a kind of display device, which is characterized in that including side entrance back module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610136669.2A CN105807486B (en) | 2016-03-10 | 2016-03-10 | A kind of side entrance back module and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610136669.2A CN105807486B (en) | 2016-03-10 | 2016-03-10 | A kind of side entrance back module and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105807486A CN105807486A (en) | 2016-07-27 |
| CN105807486B true CN105807486B (en) | 2019-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610136669.2A Active CN105807486B (en) | 2016-03-10 | 2016-03-10 | A kind of side entrance back module and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111965899B (en) * | 2020-09-09 | 2022-12-09 | 谷麦光电科技股份有限公司 | Combined type backlight structure of vehicle-mounted display screen |
| CN114740563B (en) * | 2022-03-28 | 2024-04-12 | 青岛海信商用显示股份有限公司 | Express cabinet |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6055029A (en) * | 1996-07-23 | 2000-04-25 | Stanley Electric Co., Ltd. | Backlighting system for a liquid crystal display including an integrally molded light guiding plate and frame with a deformation absorbing means |
| CN101430054A (en) * | 2008-12-25 | 2009-05-13 | 友达光电股份有限公司 | Flat display device and its backlight module |
| CN103883942A (en) * | 2014-03-14 | 2014-06-25 | 京东方科技集团股份有限公司 | Backlight module and LCD device |
| CN103901661A (en) * | 2012-12-24 | 2014-07-02 | 乐金显示有限公司 | Liquid crystal display device |
| CN104297975A (en) * | 2014-10-08 | 2015-01-21 | 友达光电股份有限公司 | Backlight module and positioning structure thereof |
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| WO2011096246A1 (en) * | 2010-02-02 | 2011-08-11 | シャープ株式会社 | Lighting device, display device, and television reception device |
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2016
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| US6055029A (en) * | 1996-07-23 | 2000-04-25 | Stanley Electric Co., Ltd. | Backlighting system for a liquid crystal display including an integrally molded light guiding plate and frame with a deformation absorbing means |
| CN101430054A (en) * | 2008-12-25 | 2009-05-13 | 友达光电股份有限公司 | Flat display device and its backlight module |
| CN103901661A (en) * | 2012-12-24 | 2014-07-02 | 乐金显示有限公司 | Liquid crystal display device |
| CN103883942A (en) * | 2014-03-14 | 2014-06-25 | 京东方科技集团股份有限公司 | Backlight module and LCD device |
| CN104297975A (en) * | 2014-10-08 | 2015-01-21 | 友达光电股份有限公司 | Backlight module and positioning structure thereof |
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| CN105807486A (en) | 2016-07-27 |
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