CN205979419U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN205979419U CN205979419U CN201621039921.XU CN201621039921U CN205979419U CN 205979419 U CN205979419 U CN 205979419U CN 201621039921 U CN201621039921 U CN 201621039921U CN 205979419 U CN205979419 U CN 205979419U
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- China
- Prior art keywords
- light source
- guide plate
- backlight module
- light guide
- light
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Abstract
The embodiment of the utility model provides a backlight module and display device relates to and shows technical field, can improve the luminance and the too big problem of ambient brightness difference of display device emergent light under the environment at night, plays the effect of guardian's eye at night. This backlight unit includes the backplate, sets up light guide plate and light source on the backplate, the light source sets up at least the relative both sides of light guide plate, being close to of backplate the side of light source is provided with the through -hole, the light that the light source sent can be followed the through -hole jets out. Be used for electronic equipment.
Description
Technical field
This utility model is related to display technology field, more particularly, to a kind of backlight module and display device.
Background technology
Flourishing with digital market, the technology of the mobile product such as mobile phone and flat board is also constantly lifted, and gives people
Life brings great convenience, becomes the product increasingly be unableing to do without in people's life.
Under night-environment, the screen intensity of the mobile product such as mobile phone and flat board and surrounding brightness form greatly anti-
Difference, if user stares at screen for a long time and sees, can make eyes be subject to very big stimulating, if things go on like this can reduce vision, or even
Ocular disease can be led to.
Although screen intensity can be transferred to minimum, screen intensity and surrounding by current product when using at night
The contrast of brightness is still larger, so both have impact on the viewing quality of screen, and human eye also may not be played a protective role.
Utility model content
Embodiment of the present utility model provides a kind of backlight module and display device, can improve display device under night-environment
The brightness of the emergent light problem excessive with ambient brightness difference, plays the effect of night protection human eye.
For reaching above-mentioned purpose, embodiment of the present utility model adopts the following technical scheme that：
On the one hand, provide a kind of backlight module, the light guide plate including backboard, being arranged on described backboard and light source；Institute
State the opposite sides that light source is arranged at described light guide plate；The side of the close described light source of described backboard is provided with through hole,
The light that described light source sends can project from described through hole.
Preferably, described light guide plate includes first side and second side；Described light source is near the first of described light guide plate
Side is arranged；Described backlight module also includes reflector plate, and described reflector plate is arranged on the close described second side of described backboard
Surface.
Preferably, at each lateral location of described light guide plate, it is provided with described light source.
Preferably, described light source is light emitting diode (Light-Emitting Diode, abbreviation LED)；Described backboard
Side near described light source is provided with multiple through holes.
It is further preferred that the described light source near the setting of each side of described light guide plate is uniformly arranged, and it is arranged on institute
The number of light sources stating light guide plate opposite flank is identical.
Based on above-mentioned it is preferred that described backlight module also includes at least two glue frames；Described glue frame is arranged on described backboard
Adjacent side angle.
It is further preferred that described backlight module also includes blooming piece；Described glue frame has projection, described protrusion
Part is for placing described blooming piece；Described light guide plate is arranged on the lower section of described projection.
On the other hand, a kind of display device is provided, including printing opacity casing, and is arranged on above-mentioned in described printing opacity casing
Backlight module.
Preferably, the expansion of the through hole side that described display device also includes being arranged on the close backboard of described printing opacity casing
Discrete piece.
Preferably, described display device also includes the controller being connected with light source, for controlling opening of each described light source
Open and close.
Embodiment of the present utility model provides a kind of backlight module and display device, the light part directive sending due to light source
Light guide plate, part directive backboard, and in the middle part of the light of directive backboard, branch is reflected back toward light guide plate, this utility model embodiment is passed through
In the side setting through hole of the close light source of backboard, another part light not reflected by backboard in the light of directive backboard can be made from logical
Hole is projected.So, on the one hand, when backlight module is applied to display device, the casing of display device can be set to
Printing opacity casing, the light so projecting from the through hole backboard can enter in surrounding, thus can improve aobvious under night-environment
The brightness of the showing device emergent light problem excessive with ambient brightness difference, plays the effect of night protection human eye, and can fill
When pocket lamp and Portable desk lamp use；On the other hand, because the light from through hole outgoing is the light not utilized by light guide plate, therefore,
Light source utilization rate also can be improved.
Wherein, by light source be arranged at light guide plate opposite sides it is ensured that in display device display floater normal
Display.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
A kind of schematic top plan view one of backlight module that Fig. 1 (a) provides for this utility model embodiment；
Fig. 1 (b) is for AA' in 1 (a) to cross-sectional schematic；
A kind of schematic side view of backlight module that Fig. 1 (c) provides for this utility model embodiment；
A kind of schematic top plan view two of backlight module that Fig. 2 provides for this utility model embodiment；
A kind of schematic top plan view three of backlight module that Fig. 3 provides for this utility model embodiment；
A kind of schematic top plan view four of backlight module that Fig. 4 provides for this utility model embodiment；
A kind of schematic top plan view five of backlight module that Fig. 5 provides for this utility model embodiment；
A kind of internal structure schematic diagram of backlight module that Fig. 6 provides for this utility model embodiment；
A kind of schematic diagram one of display device that Fig. 7 provides for this utility model embodiment；
A kind of schematic diagram two of display device that Fig. 8 provides for this utility model embodiment.
Reference：
01- backlight module；02- printing opacity casing；03- diffusion sheet；10- backboard；11- through hole；20- light guide plate；201- first
Side；202- second side；30- light source；40- reflector plate；50- glue frame；501- projection；60- blooming piece；70- reflects
Plate.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
This utility model embodiment provides shown in a kind of backlight module 01, such as Fig. 1 (a), Fig. 1 (b) and Fig. 1 (c), including the back of the body
Plate 10, the light guide plate 20 being arranged on described backboard 10 and light source 30；Described light source 30 is arranged at described light guide plate 20
Opposite sides；The side of the close described light source 30 of described backboard 10 is provided with through hole 11, and the light that described light source 30 sends can
Project from described through hole 11.
It should be noted that first, described backboard 10 can be made by thin corrosion resistant plate (such as SUS304, SUS201 etc.)
Become, can also be and be made up of other metal materials such as galvanizing aluminium alloy plate or plastic or other material.
Second, such as shown in Fig. 1 (a), light source 30 can be provided only on the opposite sides of light guide plate 20；Or, such as Fig. 2 and Fig. 3
Shown, light source 30, in addition to being arranged on the opposite sides of light guide plate 20, is additionally arranged at other sides.
Wherein, light source 30 is arranged near the side of light guide plate 20.Herein, the side of light guide plate 20 is：Light guide plate 20
Other sides in addition to exiting surface and the bottom surface relative with exiting surface.
In 3rd, Fig. 1 (c) only taking a side of backboard 10 as a example, illustrate the through hole 11 on this side, for other
Through hole 11 on side is similar.
Wherein, the size of through hole 11 and number can carry out specific design according to the arrangement of light source 30, as long as each can be made
The partly light outgoing of directive backboard 10 side that light source 30 sends.
This utility model embodiment provides a kind of backlight module 01, the light part directive light guide plate sending due to light source 30
20, part directive backboard 10, and in the middle part of the light of directive backboard 10, branch is reflected back toward light guide plate 20, this utility model embodiment is led to
Cross the side setting through hole 11 of the close light source 30 in backboard 10, can make in the light of directive backboard 10 not by backboard 10 reflect another
A part of light projects from through hole 11.So, on the one hand, when backlight module 01 is applied to display device, can will show
The casing of device is set to printing opacity casing, and the light that the through hole 11 so from backboard 10 projects can enter in surrounding, from
And the problem excessive with ambient brightness difference of the brightness of display device emergent light under night-environment can be improved, play night protection people
The effect of eye, and pocket lamp and Portable desk lamp use can be served as；On the other hand, due to from the light of through hole 11 outgoing be not by
The light that light guide plate 20 utilizes, therefore, also can improve light source 30 utilization rate.
Wherein, light source 30 is arranged at the opposite sides of light guide plate 20 it is ensured that display floater in display device
Normal display.
Preferably, as shown in Figure 4 and Figure 5, light guide plate 20 includes first side 201 and second side 202；Light source 30 is close
The first side 201 of light guide plate 20 is arranged；Described backlight module 01 also includes reflector plate 40, and this reflector plate 40 is arranged on backboard 10
Close described second side 202 surface.
It should be noted that first, the first side 201 of light guide plate 20 is not specifically limited, for light guide plate 20
Either side, as long as have light source 30 near its arrange, then this side be first side 201, do not have light source 30 to set near it
The side put is second side 202.
Example, as shown in figure 4, light source 30 is arranged near the left and right side of light guide plate 20, now, left and right side is the
One side 201, upper and lower side is then second side 202.
As shown in figure 5, light source 30 is arranged near the left and right side of light guide plate 20 and upper side, now, left and right side with
And upper side is first side 201, downside is then second side 202.
Second, the material of reflector plate 40 is not defined, for example, can be metal material.
In this utility model embodiment, when being not provided with light source 30 at the second side 202 of light guide plate 20, by the back of the body
The surface setting reflector plate 40 of the second side 202 of the close light guide plate 20 of plate 10, can be applied to show in backlight module 01
During device, improve the homogeneity of display brightness.
Preferably, as shown in figure 3, at each lateral location of light guide plate 20, being provided with light source 30.
In this utility model embodiment, on the one hand, be provided with light source at each lateral location of light guide plate 20
30, brightness and the homogeneity of display device emergent light when backlight module 01 is applied to display device, can be improved；On the other hand,
Also the brightness projecting and entering the light in surrounding by through hole 11 can be made to increase, thus, it is not result in the bright of display device
Degree is increased with the difference of ambient brightness.
Have the advantages that brightness is high, heat is low, energy consumption is little, life-span length in view of LED, therefore, this utility model embodiment
Preferred light source 30 is LED.Based on this, may be provided in a lamp bar positioned at the LED of each side of light guide plate 20.
On this basis, as shown in Fig. 1 (c), the side of the close light source 30 of described backboard 10 is provided with multiple through holes 11.
It is further preferred that through hole 11 is corresponded with light source 30.Certainly, when the arrangement of light source 30 is closeer, can be multiple
Light source 30 corresponds to a through hole 11, specifically can be configured according to practical situation.
It is further preferred that as shown in Fig. 1 (a), Fig. 2-Fig. 5, equal near the light source 30 of each side of light guide plate 20 setting
Even arrangement, and it is identical to be arranged on light source 30 number of light guide plate 20 opposite flank.
So it is ensured that the homogeneity of the brightness of display device emergent light, and the homogeneity of surrounding environment light.
Based on above-mentioned it is preferred that as shown in fig. 6, described backlight module 01 also includes at least two glue frames 50；Described glue frame
The angle of 50 adjacent side being arranged on backboard 10.
It should be noted that the material of glue frame 50 is lighttight rigid plastics.
Additionally, the set location of two glue frames 50 in Fig. 6 is only and illustrates.
In this utility model embodiment, on the one hand, glue frame 50 has the effect of lightguide plate fixing 20, on the other hand, due to
Glue frame 50 is light tight, therefore only in two sides angle setting glue frame 50 that backboard 10 inner side is adjacent, so can avoid blocking
Light from through hole 11 outgoing.
It is further preferred that as shown in fig. 6, described backlight module 01 can also include blooming piece 60；Described glue frame 50
There is projection 501, described projection is for placing described blooming piece 60；Light guide plate 20 is arranged on described projection
501 lower section.
The light being sent due to light source 30, after light guide plate 20 outgoing, yet suffers from inequality on the display floater of display device
Even luminous phenomenon, therefore passing through setting blooming piece 60 can make the homogeneity inciding the light of display floater more preferable.
Further, as shown in fig. 6, described backlight module 01 can also include reflecting plate 70, this reflecting plate 70 is arranged on
Between the base plate of light guide plate 20 and backboard 10.
Can further improve the utilization rate that the light that light source 30 sends incides display floater by arranging reflecting plate 70.
It should be noted that when carrying out backlight module 01 assembling, by the cooperation of glue frame 50 and backboard 10, by light source
30th, the device such as light guide plate 20, blooming piece 60, reflecting plate 70 is fixed.Due to glue frame 50 be easier to make variously-shaped
Structure, when some devices and device are unable to directly contact, just can pass through the cooperation of glue frame 50, it is supported, and energy
Play the effect being fixed and be difficult to slide.
This utility model embodiment also provides a kind of display device, as shown in fig. 7, comprises printing opacity casing 02, and setting
Above-mentioned backlight module 01 in described printing opacity casing 02.
It should be noted that not being defined to the material of printing opacity casing 02, as long as the work of display device casing can be played
With, and can printing opacity.
The display device of this utility model embodiment can be the electricity such as intelligent watch, mobile phone, panel computer, notebook computer
Sub- equipment.
This utility model embodiment provides a kind of display device, the light part sending due to the light source 30 in backlight module 01
Directive light guide plate 20, part directive backboard 10, and in the middle part of the light of directive backboard 10, branch is reflected back toward light guide plate 20, this practicality is new
Type embodiment is passed through to arrange through hole 11 in the side of the close light source 30 of backboard 10, can make in the light of directive backboard 10 not by backboard
Another part light of 10 reflections projects from through hole 11.So, on the one hand, the light that the through hole 11 from backboard 10 projects passes through
Printing opacity casing 02 just can enter in surrounding, thus the brightness of display device emergent light and environment under night-environment can be improved
The excessive problem of luminance difference, plays the effect of night protection human eye, and can serve as pocket lamp and Portable desk lamp use；Separately
On the one hand, because the light from through hole 11 outgoing is the light not utilized by light guide plate 20, therefore, light source 30 utilization rate can also be improved.
Preferably, as shown in figure 8, logical on the described display device close backboard 10 that also includes be arranged on printing opacity casing 02
The diffusion sheet 03 of hole 11 side.
Because the light of light source 30 is after through hole 11 injection, can there is the uneven phenomenon of outgoing, by arranging diffusion sheet 03
The light projecting from through hole 11 can be played with the effect of even light, so that the light being mapped to surrounding from printing opacity casing 02 is evenly.
Preferably, described display device also includes the controller (in figure does not identify) being connected with light source 30, for controlling
The opening and closing of each light source 30.
Because the number of light source 30 in this utility model is more, therefore according to actual needs, user can be by controlling
Device controls the bright number of light source 30, to change the brightness of surrounding and display device emergent light, thus meeting different demands.
Based on above-mentioned it is preferred that described display device also includes being arranged in printing opacity casing 02, and it is located at backlight module 01
The display floater of top.
Wherein, described display floater can be display panels.
Further, described display floater can be the display floater with touch controllable function.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model does not limit to
In this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in change
Or replace, all should cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with described power
The protection domain that profit requires is defined.
Claims (10)
1. a kind of backlight module, the light guide plate including backboard, being arranged on described backboard and light source；It is characterized in that, described
Light source is arranged at the opposite sides of described light guide plate；
The side of the close described light source of described backboard is provided with through hole, and the light that described light source sends can project from described through hole.
2. backlight module according to claim 1 is it is characterised in that described light guide plate includes first side and the second side
Face；Described light source is arranged near the first side of described light guide plate；
Described backlight module also includes reflector plate, and described reflector plate is arranged on the table of the close described second side of described backboard
Face.
3. backlight module according to claim 1 it is characterised in that near described light guide plate each lateral location
Place, is provided with described light source.
4. backlight module according to claim 1 is it is characterised in that described light source is LED；
The side of the close described light source of described backboard is provided with multiple through holes.
5. backlight module according to claim 4 it is characterised in that near each side of described light guide plate setting described
Light source is uniformly arranged, and it is identical to be arranged on the number of light sources of described light guide plate opposite flank.
6. the backlight module according to any one of claim 1-5 is it is characterised in that also include at least two glue frames；
Described glue frame is arranged on the angle of the adjacent side of described backboard.
7. backlight module according to claim 6 is it is characterised in that also include blooming piece；
Described glue frame has projection, and described projection is for placing described blooming piece；Described light guide plate is arranged on described
The lower section of projection.
8. a kind of display device, it is characterised in that including printing opacity casing, and is arranged on the claim in described printing opacity casing
Backlight module described in any one of 1-7.
9. display device according to claim 8 is it is characterised in that also include being arranged on the close back of the body of described printing opacity casing
The diffusion sheet of the through hole side on plate.
10. display device according to claim 8 or claim 9, it is characterised in that also including the controller being connected with light source, is used
In the opening and closing controlling each described light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621039921.XU CN205979419U (en) | 2016-09-06 | 2016-09-06 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621039921.XU CN205979419U (en) | 2016-09-06 | 2016-09-06 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205979419U true CN205979419U (en) | 2017-02-22 |
Family
ID=58040118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621039921.XU Expired - Fee Related CN205979419U (en) | 2016-09-06 | 2016-09-06 | Backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205979419U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106287435A (en) * | 2016-09-06 | 2017-01-04 | 合肥京东方光电科技有限公司 | A kind of backlight module and display device |
| CN108205219A (en) * | 2018-01-16 | 2018-06-26 | 江苏冠达通电子科技有限公司 | Light guide board display device |
-
2016
- 2016-09-06 CN CN201621039921.XU patent/CN205979419U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106287435A (en) * | 2016-09-06 | 2017-01-04 | 合肥京东方光电科技有限公司 | A kind of backlight module and display device |
| CN108205219A (en) * | 2018-01-16 | 2018-06-26 | 江苏冠达通电子科技有限公司 | Light guide board display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 |