CN106287435A - A kind of backlight module and display device - Google Patents
A kind of backlight module and display device Download PDFInfo
- Publication number
- CN106287435A CN106287435A CN201610805009.9A CN201610805009A CN106287435A CN 106287435 A CN106287435 A CN 106287435A CN 201610805009 A CN201610805009 A CN 201610805009A CN 106287435 A CN106287435 A CN 106287435A
- Authority
- CN
- China
- Prior art keywords
- light source
- backlight module
- guide plate
- backboard
- light guide
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V15/00—Protecting lighting devices from damage
- F21V15/01—Housings, e.g. material or assembling of housing parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
Embodiments of the invention provide a kind of backlight module and display device, relate to Display Technique field, can improve the problem that the brightness of display device emergent light under night-environment is excessive with ambient brightness difference, play the effect protecting human eye night.This backlight module includes backboard, the light guide plate being arranged on described backboard and light source；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 penetrate from described through hole.For electronic equipment.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of backlight module and display device.
Background technology
Flourish along with digital market, the technology of the mobile product such as mobile phone and flat board the most constantly promotes, to people's
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 are formed the most anti-
Difference, if user stares at screen for a long time and sees, can make eyes be subject to the biggest stimulation, if things go on like this can reduce vision, even
Ocular disease can be caused.
Although screen intensity can be transferred to minimum by current product when night uses, but screen intensity and surrounding
The contrast of brightness is the biggest, the most both have impact on the viewing quality of screen, and also may not play a protective role human eye.
Summary of the invention
Embodiments of the invention provide a kind of backlight module and display device, can improve display device outgoing under night-environment
The problem that the brightness of light is excessive with ambient brightness difference, plays the effect protecting human eye night.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
On the one hand, it is provided that a kind of backlight module, the light guide plate including backboard, being arranged on described backboard and light source；Institute
State light source and be 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,
The light that described light source sends can penetrate from described through hole.
Preferably, described light guide plate includes the first side and the second side；Described light source is near the first of described light guide plate
Side is arranged；Described backlight module also includes that reflector plate, described reflector plate are arranged on 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 is called for short LED)；Described backboard
The side of described light source is provided with multiple through hole.
It is further preferred that the described light source arranged near 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 frame；Described glue frame is arranged on described backboard
The angle of adjacent side.
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, it is provided that a kind of display device, including printing opacity casing, and be arranged in described printing opacity casing above-mentioned
Backlight module.
Preferably, described display device also includes the expansion of the through hole side 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.
Embodiments of the invention provide a kind of backlight module and display device, and the light part directive sent due to light source is guide-lighting
Plate, part directive backboard, and in the middle part of the light of directive backboard, branch is reflected back toward light guide plate, the embodiment of the present invention is by backboard
Through hole is set near the side of light source, another part light not reflected by backboard in the light of directive backboard can be made to penetrate from through hole.
So, on the one hand, when backlight module is applied to display device, the casing of display device can be set to printing opacity machine
Shell, the so light of the injection of the through hole from backboard can enter in surrounding, thus can improve display device under night-environment
The problem that the brightness of emergent light is excessive with ambient brightness difference, plays the effect protecting human eye night, and can serve as torch
Cylinder and Portable desk lamp use；On the other hand, owing to being the light not utilized by light guide plate from the light of through hole outgoing, therefore, also can carry
High light source utilization rate.
Wherein, light source is arranged at the opposite sides of light guide plate, it is ensured that in display device, display floater is normal
Display.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
The schematic top plan view one of a kind of backlight module that Fig. 1 (a) provides for the embodiment of the present invention；
Fig. 1 (b) be in 1 (a) AA' to cross-sectional schematic；
The schematic side view of a kind of backlight module that Fig. 1 (c) provides for the embodiment of the present invention；
The schematic top plan view two of a kind of backlight module that Fig. 2 provides for the embodiment of the present invention；
The schematic top plan view three of a kind of backlight module that Fig. 3 provides for the embodiment of the present invention；
The schematic top plan view four of a kind of backlight module that Fig. 4 provides for the embodiment of the present invention；
The schematic top plan view five of a kind of backlight module that Fig. 5 provides for the embodiment of the present invention；
The internal structure schematic diagram of a kind of backlight module that Fig. 6 provides for the embodiment of the present invention；
The schematic diagram one of a kind of display device that Fig. 7 provides for the embodiment of the present invention；
The schematic diagram two of a kind of display device that Fig. 8 provides for the embodiment of the present invention.
Reference:
01-backlight module；02-printing opacity casing；03-diffusion sheet；10-backboard；11-through hole；20-light guide plate；201-first
Side；202-the second side；30-light source；40-reflector plate；50-glue frame；501-projection；60-blooming piece；70-reflects
Plate.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
The embodiment of the present invention provides a kind of backlight module 01, as shown in Fig. 1 (a), Fig. 1 (b) and Fig. 1 (c), including backboard
10, it is arranged on the light guide plate 20 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 be from
Described through hole 11 penetrates.
It should be noted that first, described backboard 10 can be made by thin corrosion resistant plate (such as SUS304, SUS201 etc.)
Become, it is also possible to be made up of other metal materials such as galvanizing aluminium alloy plate or plastic or other material.
Second, 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 in, 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.
3rd, in Fig. 1 (c) only as a example by a side of backboard 10, 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 can make each
The part light outgoing of directive backboard 10 side that light source 30 sends.
The embodiment of the present invention provides a kind of backlight module 01, the light part directive light guide plate 20 sent due to light source 30, portion
Dividing directive backboard 10, and in the middle part of the light of directive backboard 10, branch is reflected back toward light guide plate 20, the embodiment of the present invention is by backboard
The side of the close light source 30 of 10 arranges through hole 11, can make another part light not reflected by backboard 10 in the light of directive backboard 10
Penetrate from through hole 11.So, on the one hand, when backlight module 01 is applied to display device, can be by the machine of display device
Shell is set to printing opacity casing, the so light of the injection of the through hole 11 from backboard 10 and can enter in surrounding, thus can improve
The problem that under night-environment, the brightness of display device emergent light is excessive with ambient brightness difference, plays the work protecting human eye night
With, and pocket lamp and Portable desk lamp use can be served as；On the other hand, owing to being not by light guide plate from the light of through hole 11 outgoing
20 light utilized, 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 the first side 201 and the second side 202；Light source 30 is close
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
The surface of close described second side 202.
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 is the first side 201, does not has light source 30 to set near it
The side put is the 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, and now, left and right side is the
One side 201, upper and lower side is then the second side 202.
As it is 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 the first side 201, downside is then the second side 202.
Second, the material of reflector plate 40 is not defined, such as, can be metal material.
In the embodiment of the present invention, when being not provided with light source 30 at the second side 202 of light guide plate 20, by backboard 10
The surface configuration reflector plate 40 of the second side 202 of close light guide plate 20, display device can be applied at backlight module 01
Time, improve the homogeneity of display brightness.
Preferably, as it is shown on figure 3, at each lateral location of light guide plate 20, be provided with light source 30.
In the embodiment of the present invention, on the one hand, be provided with light source 30 at each lateral location of light guide plate 20, can
When backlight module 01 is applied to display device, improve brightness and the homogeneity of display device emergent light；On the other hand, it is possible to make
The brightness being penetrated and being entered the light in surrounding by through hole 11 increases, thus, it is not result in brightness and the ring of display device
The difference of border brightness increases.
Have the advantages such as brightness high, heat is low, energy consumption is little, life-span length in view of LED, therefore, the embodiment of the present invention is preferred
Light source 30 is LED.Based on this, the LED being positioned at each side of light guide plate 20 may be provided on a lamp bar.
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 hole 11.
It is further preferred that through hole 11 and light source 30 one_to_one corresponding.Certainly, when the arrangement of light source 30 is closeer, can be multiple
The corresponding through hole 11 of light source 30, specifically can be configured according to practical situation.
It is further preferred that as shown in Fig. 1 (a), Fig. 2-Fig. 5, the light source 30 arranged near each side of light guide plate 20 is equal
Even arrangement, and light source 30 number being arranged on light guide plate 20 opposite flank is identical.
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 Figure 6, described backlight module 01 also includes at least two glue frame 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 position that arranges of two glue frames 50 in Fig. 6 is only signal.
In the embodiment of the present invention, 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, and therefore the most adjacent inside backboard 10 angle, two sides arranges glue frame 50, so can avoid blocking from logical
The light of hole 11 outgoing.
It is further preferred that as shown in Figure 6, described backlight module 01 can also include blooming piece 60；Described glue frame 50
Having projection 501, described projection is for placing described blooming piece 60；Light guide plate 20 is arranged on described projection
The lower section of 501.
The light sent due to light source 30, after light guide plate 20 outgoing, yet suffers from inequality on the display floater of display device
The phenomenon of even luminescence, therefore can make the homogeneity inciding the light of display floater more preferable by arranging blooming piece 60.
Further, as shown in Figure 6, described backlight module 01 can also include reflecting plate 70, and this reflecting plate 70 is arranged on
Between the base plate of light guide plate 20 and backboard 10.
Can further improve the light that light source 30 sends incide the utilization rate of display floater by arranging reflecting plate 70.
It should be noted that when carrying out backlight module 01 and assembling, by coordinating, by light source of glue frame 50 and backboard 10
30, the device such as light guide plate 20, blooming piece 60, reflecting plate 70 is fixed.Owing to glue frame 50 is easier to make variously-shaped
Structure, when some device can not directly contact with device, just by the cooperation of glue frame 50, it can be supported, and energy
Play the effect being fixed and be difficult to slide.
The embodiment of the present invention also provides for a kind of display device, as it is shown in fig. 7, comprises printing opacity casing 02, and it is arranged on institute
State the above-mentioned backlight module 01 in printing opacity casing 02.
It should be noted that the material of printing opacity casing 02 is not defined, as long as the work of display device casing can be played
With, and can printing opacity.
The display device of the embodiment of the present invention can be that the electronics such as intelligent watch, mobile phone, panel computer, notebook computer set
Standby.
The embodiment of the present invention provides a kind of display device, the light part directive sent due to the light source 30 in backlight module 01
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, the embodiment of the present invention
By arranging through hole 11 in the side of the close light source 30 of backboard 10, can make the light of directive backboard 10 is not reflected by backboard 10
Another part light penetrates from through hole 11.So, on the one hand, the light of through hole 11 injection from backboard 10 is by printing opacity casing
02 just can enter in surrounding, thus can improve the brightness of display device emergent light and ambient brightness difference under night-environment
Excessive problem, plays the effect protecting human eye night, and can serve as pocket lamp and Portable desk lamp use；On the other hand,
Owing to being the light not utilized by light guide plate 20 from the light of through hole 11 outgoing, therefore, light source 30 utilization rate also can be improved.
Preferably, as shown in Figure 8, described display device also includes that be arranged on the close backboard 10 of printing opacity casing 02 leads to
The diffusion sheet 03 of side, hole 11.
Owing to the light of light source 30 is after through hole 11 penetrates, the phenomenon that outgoing is uneven can be there is, by arranging diffusion sheet 03
The light penetrated from through hole 11 can be played the effect of even light, so that being mapped to the light of surrounding evenly from printing opacity casing 02.
Preferably, described display device also includes the controller (not identifying in figure) being connected with light source 30, is used for controlling
The opening and closing of each light source 30.
Owing in the present invention, the number of light source 30 is more, the most according to actual needs, user can pass through controller control
The number that light source 30 processed is bright, to change surrounding and the brightness of display device emergent light, thus meets different demands.
Based on above-mentioned, it is preferred that described display device also includes being arranged in printing opacity casing 02, and is positioned 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, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (10)
1. a 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 penetrate from described through hole.
Backlight module the most according to claim 1, it is characterised in that described light guide plate includes the 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 that reflector plate, described reflector plate are arranged on the table of close described second side of described backboard
Face.
Backlight module the most according to claim 1, it is characterised in that in each lateral location near described light guide plate
Place, is provided with described light source.
Backlight module the most according to claim 1, 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 hole.
Backlight module the most according to claim 4, it is characterised in that arrange near each side of described light guide plate is described
Light source is uniformly arranged, and the number of light sources being arranged on described light guide plate opposite flank is identical.
6. according to the backlight module described in any one of claim 1-5, it is characterised in that also include at least two glue frame；
Described glue frame is arranged on the angle of the adjacent side of described backboard.
Backlight module the most according to claim 6, 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 display device, it is characterised in that include printing opacity casing, and be arranged on the claim in described printing opacity casing
Backlight module described in any one of 1-7.
Display device the most according to claim 8, it is characterised in that also include the close back of the body being arranged on described printing opacity casing
The diffusion sheet of the through hole side on plate.
The most according to claim 8 or claim 9, display device, it is characterised in that also include the controller being connected with light source, use
In the opening and closing controlling each described light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610805009.9A CN106287435A (en) | 2016-09-06 | 2016-09-06 | A kind of backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610805009.9A CN106287435A (en) | 2016-09-06 | 2016-09-06 | A kind of backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106287435A true CN106287435A (en) | 2017-01-04 |
Family
ID=57709714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610805009.9A Pending CN106287435A (en) | 2016-09-06 | 2016-09-06 | A kind of backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106287435A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111197725A (en) * | 2018-11-20 | 2020-05-26 | 深圳市绎立锐光科技开发有限公司 | Lighting device and lamp |
| CN115903311A (en) * | 2023-01-16 | 2023-04-04 | 惠科股份有限公司 | Back plate, backlight module and display |
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| CN115903311A (en) * | 2023-01-16 | 2023-04-04 | 惠科股份有限公司 | Back plate, backlight module and display |
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