CN208172286U - A kind of light guide plate and backlight module - Google Patents
A kind of light guide plate and backlight module Download PDFInfo
- Publication number
- CN208172286U CN208172286U CN201820589634.9U CN201820589634U CN208172286U CN 208172286 U CN208172286 U CN 208172286U CN 201820589634 U CN201820589634 U CN 201820589634U CN 208172286 U CN208172286 U CN 208172286U
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- Prior art keywords
- hole
- guide plate
- light guide
- locating slot
- location
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Abstract
The utility model provides a kind of light guide plate, and secure fit hole and movable matching hole are arranged on the light guide plate；Location hole is set in the secure fit hole, is connected between the secure fit hole and the location hole by attachment, forms preformed hole between the attachment；Locating slot is set in the activity matching hole, is connected between the activity matching hole and the locating slot by attachment, forms preformed hole between the attachment；The internal diameter of the locating slot is different from the internal diameter of the location hole.The utility model additionally provides a kind of backlight module.Secure fit hole is set on light guide plate and movable matching hole blocks light guide plate convenient for the cooperation with positioning column, prevents its loosening.Movable matching hole longitudinal size is larger, when light guide plate is expanded with heat and contract with cold by temperature change, it is made to have mobile space.When assembly, hole and slot are easily squeezed and deformed by positioning column, and preformed hole can provide the space of extrusion deformation, not cause other structures to be squeezed and deformed.
Description
Technical field
The utility model relates to backlight technology fields, and in particular to a kind of light guide plate and backlight module.
Background technique
Light guide plate（light guide plate）It is the luminous component of backlight module, utilizes optical grade acryl plates
The light that issues from light source is drawn in the stop on optical grade acryl plates surface, when light is mapped to each light guiding points, reflected light
It can be spread toward all angles, then destroy conditioned reflex and projected by light guide plate front.Pass through various densitys, leaded light not of uniform size
Point can make light guide plate uniformly light-emitting.Important component one of of the backlight module as liquid crystal display device plays as liquid crystal display dress
It sets and the effect of light is provided.
Accurate positionin of the light guide plate in backlight module can guarantee the normal use of backlight module, if light guide plate is separately provided
Location structure, meeting occupied space, is unfavorable for the lightening design of backlight module, while increasing cost.
Utility model content
In view of the above-mentioned problems, the utility model is the technical issues of solution：
Flower pattern hole is set on light guide plate, is cooperated with location structure corresponding in backlight module, realizes that light guide plate is being carried on the back
Accurate positionin in optical mode group guarantees the backlight effect of backlight module.Flower pattern hole of different shapes is set on light guide plate, makes to lead
Tabula rasa has mobile space when expanding with heat and contract with cold.
In order to solve the above-mentioned technical problem, the solution of the utility model is：
A kind of light guide plate, is in plate body, and secure fit hole and movable matching hole are arranged on the light guide plate；The fixation is matched
Close and location hole be set in hole, the location hole cooperates with location structure corresponding in backlight module, the secure fit hole and
It is connected between the location hole by attachment, forms preformed hole between the attachment；Setting is fixed in the activity matching hole
Position slot, the locating slot cooperate with location structure corresponding in backlight module, the movable matching hole and the locating slot it
Between connected by attachment, form preformed hole between the attachment；The internal diameter of the locating slot and the location hole
Internal diameter is different.
As a kind of improvement of light guide plate provided by the utility model, the interior contact surface of the location hole is circle.
As a kind of improvement of light guide plate provided by the utility model, the location hole and the location structure laterally and
Longitudinal fit clearance is identical.
As a kind of improvement of light guide plate provided by the utility model, the interior contact surface of the locating slot is ellipse.
As a kind of improvement of light guide plate provided by the utility model, the internal diameter longitudinal ruler diameter of the locating slot is greater than described
The size of location structure.
As a kind of improvement of light guide plate provided by the utility model, the locating slot and the location structure are horizontally
Fit clearance it is identical as the fit clearance of the location hole and the location structure.
The utility model additionally provides a kind of backlight module, including lower frame, further includes above-mentioned light guide plate, and the light guide plate is set
In the lower frame.
As a kind of improvement of backlight module provided by the utility model, location structure is set on the lower frame.
Compared with prior art, the utility model has the beneficial effects that：
Be arranged on light guide plate flower pattern secure fit hole and movable matching hole, do not increase external location structure, convenient for
Location structure（Such as positioning column）Cooperation, light guide plate is blocked, prevents light guide plate from loosening.On movable matching hole longitudinal size compared with
Greatly, when light guide plate is expanded with heat and contract with cold by temperature change, so that light guide plate is had mobile space, be conveniently adjusted rigging position.Positioning
When column and secure fit hole and movable matching hole cooperate, hole and slot are easily squeezed and deformed by positioning column, and preformed hole can provide extruding and become
The space of shape, does not cause other structures to be squeezed and deformed.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of light conducting plate structure schematic diagram；
Fig. 2 is the secure fit pore structure schematic diagram in Fig. 1 shown in B；
Fig. 3 is the movable matching hole structural schematic diagram in Fig. 1 shown in A；
Fig. 4 is that light guide plate is assemblied in lower frame schematic diagram；
Fig. 5 is the positioning column and movable matching hole assembling schematic diagram in Fig. 4 shown in C；
Fig. 6 is the positioning column and secure fit hole assembling schematic diagram in Fig. 4 shown in D；
Fig. 7 is positioning column assembling schematic diagram.
Specific embodiment
The utility model provides a kind of light guide plate and backlight module.Flower pattern hole is set on light guide plate, is convenient for and backlight
Location structure cooperation in mould group, realizes accurate positionin of the light guide plate in backlight module, guarantees the backlight effect of backlight module.
Secure fit hole and movable matching hole are set on light guide plate.Secure fit hole and movable matching hole are flower pattern, be may be implemented
With location structure（Such as positioning column）Cooperation, light guide plate is blocked, prevents light guide plate from loosening.There is mobile sky on movable matching hole
Between, when light guide plate is expanded with heat and contract with cold by temperature change, so that light guide plate is had mobile space, be conveniently adjusted rigging position.Positioning
When column and secure fit hole and movable matching hole cooperate, hole and slot are easily squeezed and deformed by positioning column, and preformed hole can provide extruding and become
The space of shape, does not cause other structures to be squeezed and deformed.
The utility model is described in detail with reference to the accompanying drawings and examples, the examples of the embodiments are in attached drawing
In show, in which the same or similar labels are throughly indicated same or similar elements or with the same or similar functions
Element.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining the utility model, and cannot understand
For limitations of the present invention.
In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the utility model.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
Calmly ", the terms such as " setting " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also may be used also indirectly connected through an intermediary
To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Embodiment 1
As shown in Figure 1, its display the utility model proposes a kind of light guide plate 1, be in plate body.It is set on the light guide plate 1
Flower pattern through-hole is set, convenient for positioning.In the present embodiment, secure fit hole 2 and movable matching hole 3 are set on the light guide plate 1,
Such as Fig. 2 and as shown in Figure 3.The secure fit hole 2 is placed in the corner areas of the light guide plate 1, and the activity matching hole 3 is set
In in the corner areas adjacent with the secure fit hole 2, so as to the positioning of the backlight assemblies such as diaphragm.The secure fit hole 2
Specific location with the movable matching hole 3 can be depending on service condition.It should be noted that the activity matching hole 3
Quantity is not limited to one, depending on service condition.
It is further improved, location hole 20, the location hole 20 and phase in backlight module is set in the secure fit hole 2
Corresponding location structure cooperation, such as positioning column 4.The location hole 20 is interference fitted with the positioning column 4, leads it by described
Tabula rasa 1 blocks, and the light guide plate 1 is avoided to loosen.Connected between the secure fit hole 2 and the location hole 20 by attachment 21
It connects, the attachment 21 surrounds 20 annular array of location hole, and quantity is depending on service condition.Between the attachment 21
Preformed hole 22 is formed, when the positioning column 4 is interference fitted with the location hole 20, the positioning column 4 is easily by the location hole 20
It is squeezed and deformed, the preformed hole 22 can provide the space of extrusion deformation, not cause other structures to be squeezed and deformed.
It is further improved, locating slot 30, the locating slot 30 and phase in backlight module is set in the activity matching hole 3
Corresponding location structure cooperation, such as positioning column 4.The locating slot 30 is interference fitted with the positioning column 4, leads it by described
Tabula rasa 1 blocks, and the light guide plate 1 is avoided to loosen.Connected between the activity matching hole 3 and the locating slot 30 by attachment 31
It connects, the attachment 31 surrounds 30 annular array of locating slot, and quantity is depending on service condition.Between the attachment 31
Preformed hole 32 is formed, for the positioning column 4 with the locating slot 3 when being interference fitted in X transverse direction, the positioning column 4 easily will be described
Locating slot 30 is squeezed and deformed, and the preformed hole 32 can provide the space of extrusion deformation, not cause other structures to be squeezed and deformed.
It is further improved, the interior contact surface of the location hole 20 is circle.The internal diameter and backlight mould of the location hole 20
Corresponding location structure in group（Such as positioning column 4）Basic size it is identical.The interior contact surface of the locating slot 30 is ellipse
Shape.The size of the locating slot 30 is different from the size of the location hole 20, and the internal diameter longitudinal size of the locating slot 30 is greater than
The size of the location structure.There are spaces after the locating slot 30 cooperates on the longitudinal direction Y with the location structure, it is therefore intended that
Make the light guide plate 5 after breathing, there are telescopic moving spaces on the direction Y1 and Y2, as shown in Figure 4, Figure 5 and Figure 6.It is described
Location hole 20 is identical in X transverse direction and the longitudinal fit clearance of Y as the location structure, and the fit clearance is 0.05-
0.2mm.The locating slot 30 is 0.3-1.0mm in the longitudinal fit clearance of Y with the location structure；The locating slot 30 with
Fit clearance of the location structure in X transverse direction is identical as the fit clearance of the location hole 20 and the location structure.
Embodiment 2
The utility model also proposed a kind of backlight module, including above-mentioned light guide plate 1.Backlight module generally comprises optical film
8, light guide plate 5, reflector plate 6, LED7, lower frame 1 and center 9；The light guide plate 1 includes incidence surface, light-emitting surface and the back side；The light
The light-emitting surface that film 8 is placed in the light guide plate 5 is learned, the reflector plate 6 is placed in 5 back side of light guide plate, and the LED 6 is placed in described
5 incidence surface side of light guide plate；The center 9 and the lower frame 1 are used as support construction.The lower frame 1 is metal frame, the lower frame
1 includes frame wall, places the LED7 thereon.
Step improvement is done, the location structure of the backlight assemblies such as diaphragm, such as the positioning column 4 are set on the lower frame 1.
Fixed column may be configured as riveting column and punching press column.Left positioning column and right positioning column are set on the lower frame 1, are placed in the lower frame master
On body, for the positioning and fixation with the light guide plate 5 and the optical film 8.The locating slot 30 on the longitudinal direction Y with the left side
There are mobile spaces after positioning column cooperation, it is therefore intended that makes the light guide plate 5 after breathing, there are flexible on the direction Y1 and Y2
Space.The location hole 20 is identical in X transverse direction and the longitudinal fit clearance of Y as the right positioning column, and the fit clearance is
0.05-0.2mm.The locating slot 30 is 0.3-1.0mm in the longitudinal fit clearance of Y with the left positioning column；The positioning
The fit clearance phase of fit clearance and the location hole 20 and the right positioning column of the slot 30 with the left positioning column in X transverse direction
Together.
It is further improved, as shown in fig. 7, the height of the left positioning column and the right positioning column should be greater than the reflection
The sum of piece 6, the light guide plate 5, height of the optical film 8, while the end of the left positioning column 21 and the right positioning column 20
Face is in contact with the center 9, to resist the inner surface of the center 9, prevents the optical film 8 from jumping out positioning column and moving
Position.
It is further improved, the reflector plate 6 and the brightening piece can be used aforesaid way and the secure fit hole 2 are arranged
With the movable matching hole 3, to position.
It is further improved, the center 9 is metal frame, coats light screening material in 9 outer surface of center, reduces spuious
Influence of the light to display effect, can be used shading glue or foam rubber.
It is further improved, the reflector plate 6 is placed in the back side of the light guide plate 5, and the light that bottom surface is exposed is reflected back into
In the light guide plate 5, the service efficiency of light is improved.The optical film 8 is placed in the front of the light guide plate 5 comprising diffusion barrier,
Lower bright enhancement film and the i.e. upper bright enhancement film of upper layer optical film.The diffusion barrier primarily serves the effect of amendment diffusion angle, makes light radiation
Area increases, but reduces the luminous intensity of unit area to a certain extent.The lower bright enhancement film and upper bright enhancement film are placed in described
Diffusion barrier side, the dispersed light that light source is issued is assembled to positive direction, to improve display brightness.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
It also should be regarded as the protection scope of the utility model into replacement.
Claims (8)
1. a kind of light guide plate, is in plate body, which is characterized in that secure fit hole and movable matching hole are arranged on the light guide plate；
Location hole is set in the secure fit hole, and the location hole cooperates with location structure corresponding in backlight module, described solid
Determine to connect between matching hole and the location hole by attachment, forms preformed hole between the attachment；The activity cooperation
Locating slot is set in hole, and the locating slot cooperates with location structure corresponding in backlight module, the activity matching hole and institute
It states and is connected between locating slot by attachment, form preformed hole between the attachment；The internal diameter of the locating slot and institute
The internal diameter for stating location hole is different.
2. light guide plate according to claim 1, which is characterized in that the interior contact surface of the location hole is circle.
3. light guide plate according to claim 2, which is characterized in that the location hole is with the location structure lateral and vertical
Upward fit clearance is identical.
4. light guide plate according to claim 1, which is characterized in that the interior contact surface of the locating slot is ellipse.
5. light guide plate according to claim 4, which is characterized in that it is described fixed that the internal diameter longitudinal ruler diameter of the locating slot is greater than
The size of bit architecture.
6. light guide plate according to claim 4, which is characterized in that the locating slot and the location structure are horizontally
Fit clearance is identical as the fit clearance of the location hole and the location structure.
7. a kind of backlight module, which is characterized in that including lower frame and light guide plate as described in claim 1, the light guide plate is set
In the lower frame.
8. backlight module according to claim 7, which is characterized in that location structure is arranged on the lower frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820589634.9U CN208172286U (en) | 2018-04-24 | 2018-04-24 | A kind of light guide plate and backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820589634.9U CN208172286U (en) | 2018-04-24 | 2018-04-24 | A kind of light guide plate and backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208172286U true CN208172286U (en) | 2018-11-30 |
Family
ID=64371989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820589634.9U Active CN208172286U (en) | 2018-04-24 | 2018-04-24 | A kind of light guide plate and backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208172286U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113840107A (en) * | 2020-06-24 | 2021-12-24 | 深圳Tcl数字技术有限公司 | Middle frame manufacturing method, middle frame and television |
-
2018
- 2018-04-24 CN CN201820589634.9U patent/CN208172286U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113840107A (en) * | 2020-06-24 | 2021-12-24 | 深圳Tcl数字技术有限公司 | Middle frame manufacturing method, middle frame and television |
| WO2021258680A1 (en) * | 2020-06-24 | 2021-12-30 | 深圳Tcl数字技术有限公司 | Middle frame manufacturing method and middle frame, and television |
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