CN109407403A - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
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- CN109407403A CN109407403A CN201811558484.6A CN201811558484A CN109407403A CN 109407403 A CN109407403 A CN 109407403A CN 201811558484 A CN201811558484 A CN 201811558484A CN 109407403 A CN109407403 A CN 109407403A
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- reflector plate
- backlight module
- area
- reflectivity
- district
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- 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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
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- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of backlight module and display devices, are related to field of display technology, comprising: reflector plate and multiple LED；Reflector plate includes that groove body, special-shaped edge, the first edge being oppositely arranged with abnormity edge and the second edge being disposed adjacent with special-shaped edge, special-shaped edge convex to form groove body towards first edge, and LED is located at side of the second edge far from groove body；Reflector plate includes body region and firstth area adjacent with body region, and the area in the firstth area is less than the area of body region, and the firstth area is also adjacent with groove body and is located at side of the groove body far from LED；The reflectivity that reflector plate is located at the part in the firstth area is greater than the reflectivity of its part for being located at body region.By improving the reflectivity of the reflector plate of brightness weaker area, the ray density for the weaker area that highlights improves display screen and the phenomenon that shadow occurs.
Description
Technical field
The present invention relates to field of display technology, more particularly, to a kind of backlight module and display device.
Background technique
Common display device, such as display, television set, mobile phone, tablet computer etc., display area are usually rule
Rectangle, and be provided in display area multiple sub-pixels of array distribution.
In recent years, with the development of science and technology, the purposes of the display device with display panel is more and more extensive, so that
Requirement of the people to display panel is more and more diversified, and it is conventional to be no longer only satisfied with large scale, fine definition of display panel etc.
Performance indicator, also have more diversified requirement to the shape of display panel, therefore special-shaped display panel occur.
The appearance of special-shaped display panel breaches the limitation of display panel single rectangular structure, not only makes display effect
It is more diversified, and make the application approach of display panel also more and more extensive, special-shaped display panel has been successfully applied to
In the wearable Electronic Design of such as wrist-watch, glasses or Intelligent bracelet etc.
Since liquid crystal itself does not shine, in the various liquid crystal display devices such as liquid crystal display, LCD TV, require according to
Display function is realized by external backlight module and display device.When by special-shaped display panel applications in liquid crystal display device
When, polymorphic structure will be also presented in corresponding backlight module, and the appearance of special-shaped backlight module may make display panel go out current situation
The phenomenon that portion's shadow, influences the display effect of display device.
Summary of the invention
In view of this, being promoted and being likely to occur in backlight module secretly the present invention provides a kind of backlight module and display device
The reflectivity of reflector plate corresponding to the region of shadow is conducive to the light homogeneity for promoting backlight module, improves polymorphic structure
There is the phenomenon that local shadow in the display screen of display device, to be conducive to be promoted the display effect of display device.
In a first aspect, the application provides a kind of backlight module, comprising: reflector plate and multiple LED；
The reflector plate include groove body, special-shaped edge, the first edge being oppositely arranged with the special-shaped edge and with institute
The second edge that special-shaped edge is disposed adjacent is stated, the abnormity edge convexes to form the groove body, institute towards the first edge
It states LED and is located at side of the second edge far from the groove body；
The reflector plate includes body region and firstth area adjacent with the body region, and the area in firstth area is less than institute
The area of body region is stated, firstth area is also adjacent with the groove body and is located at side of the groove body far from the LED；
The reflectivity that the reflector plate is located at the part in firstth area is greater than the anti-of its part for being located at the body region
Penetrate rate.
Second aspect, the application provide a kind of display device, including display panel, which is provided herein
Display panel.
Compared with prior art, a kind of backlight module provided by the invention and display device, at least realizing following has
Beneficial effect:
In backlight module and display device provided herein, the reflector plate in backlight module include body region and with institute
The firstth adjacent area of body region is stated, the area in the firstth area is less than the area of body region, and the firstth area is also adjacent with groove body and is located at slot
Side of the body far from LED；Due to blocking for groove body, the amount of light that can travel to the firstth area is less, and backlight module is caused to mention
The area source homogeneity of confession is poor, and shadow phenomenon occurs in the region for easily leading to the display device of its application, influences display device
Display effect.For this purpose, the application is likely to occur the reflection of reflector plate corresponding to the region of shadow by being promoted in backlight module
Rate promotes the reflectivity of reflector plate corresponding to above-mentioned firstth area, so that reflector plate is located at the reflectivity of the part in the firstth area
Greater than the reflectivity of its part for being located at body region, the promotion of the region reflectivity is conducive to raising LED and is emitted to the firstth area
The reflectivity of light, that is, improve the albedo in the firstth area, to be conducive to improve the brightness in the firstth area, advantageously reduces first
The luminance difference in area and body region.Therefore, the reflection that reflector plate is located at the part in the firstth area is promoted in the backlight module of the application
Rate is equivalent to and improves the reflectivity of the reflector plate in the weaker area of brightness in the prior art, can reflect more light, from
And increasing the brightness in the region, the area source for providing backlight module display device is more uniform, to be conducive to improve aobvious
There is the phenomenon that shadow in showing device, promotes the brightness homogeneity of display device, and then is conducive to be promoted the display effect of display device
Fruit.
Certainly, implementing any of the products of the present invention specific needs while must not reach all the above technical effect.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is a kind of top view of provided backlight module in the prior art；
Fig. 2 is a kind of top view of backlight module provided by the embodiment of the present application；
Fig. 3 is the schematic diagram in the firstth area on reflector plate in backlight module provided by the embodiment of the present application；
Fig. 4 is a kind of AA ' sectional view of backlight module provided in Fig. 2；
Fig. 5 is a kind of schematic diagram of reflector plate in backlight module provided by the embodiment of the present application；
Fig. 6 is a kind of schematic diagram of the second reflector plate in backlight module provided by the embodiment of the present application；
Fig. 7 is another schematic diagram of the second reflector plate in backlight module provided by the embodiment of the present application；
Fig. 8 is that reflector plate is fixed on a kind of schematic diagram in substrate in backlight module provided by the embodiment of the present application；
Fig. 9 is a kind of structure chart of display device provided by the embodiment of the present application；
Figure 10 is a kind of BB ' sectional view of display device provided by the embodiment of the present application.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Display panel may be made the phenomenon that local shadow occur the appearance of special-shaped backlight module, inventor is for existing
The backlight module for having technology to provide carries out the following studies:
Fig. 1 show a kind of top view of provided backlight module in the prior art, which is side entering type
Polymorphic structure, visual angle shown in Fig. 1 is presented in the side of reflector plate 102, the reflector plate 102 in backlight module, i.e. LED101 lamp position
Under, side edge 105 forms a notch section 103 to its inner recess.When LED101 lamp shines, 102 notch section 103 of reflector plate
First area 104 of top due to distance LED101 lamp farther out, and LED101 issue light blocked by notch section 103, therefore
Brightness is weaker.There is non-uniform phenomenon in this light for resulting in backlight module 100 to be provided to display device, and display device is aobvious
It is likely to occur shadow during showing, reduces display effect.
In view of this, being promoted and being likely to occur in backlight module secretly the present invention provides a kind of backlight module and display device
The reflectivity of reflector plate corresponding to the region of shadow is conducive to the light homogeneity for promoting backlight module, improves polymorphic structure
There is the phenomenon that local shadow in the display screen of display device, to be conducive to be promoted the display effect of display device.
It is illustrated below in conjunction with the drawings and specific embodiments.
Fig. 2 show a kind of top view of backlight module provided by the embodiment of the present application, and the embodiment of the present application provides one
Kind backlight module 200, comprising: reflector plate 201 and multiple LED202；
Reflector plate 201 include groove body 203, special-shaped edge 204, the first edge 205 that is oppositely arranged with special-shaped edge 204 with
And the second edge 206 being disposed adjacent with special-shaped edge 204, special-shaped edge 204 convex to form groove body towards first edge 205
203, LED202 are located at side of the second edge 206 far from groove body 203；
Reflector plate 201 includes that body region 208 and first area 207 adjacent with body region 208, the area in the first area 207 are small
Area in body region 208, the first area 207 is also adjacent with groove body 203 and is located at side of the groove body 203 far from LED202；
The reflectivity that reflector plate 201 is located at the part in the first area 207 is greater than the reflection of its part for being located at body region 208
Rate.
It should be noted that Fig. 2 only shows schematically a kind of structure that backlight module 200 includes a groove body 203,
The position of the groove body 203 can carry out flexible setting according to actual needs, and the quantity of groove body 203 may be two or
More, the embodiment of the present invention no longer repeats one by one.The shapes and sizes of groove body 203 can also be carried out according to specific actual demand
Design, this embodiment is not specifically limited.In addition, Fig. 2 also only illustrates several LED202 positioned at 201 side of reflector plate,
Actual size and number are not represented.
Specifically, please continue to refer to Fig. 2, in the embodiment, by 201 area Fen Weiliangge of reflector plate in backlight module 200
Domain, including body region 208 and first area 207 adjacent with body region 208, the area in the first area 207 is far smaller than body region 208
Area, and the first area 207 is also adjacent with groove body 203, the side positioned at groove body 203 far from LED202；It is aobvious due to there is abnormity
After showing panel, corresponding reflector plate 201 can also show polymorphic structure in backlight module 200, due to the screening of groove body 203
Gear, the amount of light that can travel to the first area 207 is less, and the homogeneity for the area source for causing backlight module to provide is poor, easily
There is the phenomenon that shadow in the region for the display device for causing it to apply, influences the display effect of display device.The application will reflect
Reflectivity on piece 201 positioned at 207 part of the firstth area is set greater than its reflectivity for being located at 208 part of body region, by mentioning
It rises and easily the reflection efficiency of the reflector plate 201 in the first area 207 of clouded portion occurs, Lai Tisheng light is anti-in the first area 207
Penetrate rate.It should be noted that on reflector plate 201 positioned at 207 part of the firstth area reflectivity can be it is uniform, be also possible to not
Uniform, the present embodiment is not specifically limited this.When the reflectivity for being located at 207 part of the firstth area on reflector plate 201 is inhomogenous
When, the reflectivity that the reflectivity that reflector plate 201 is located at the part in the first area 207 is greater than its part for being located at body region 208 refers to,
Any portion of reflectivity that reflector plate 201 is located at the first area 207 is all larger than the reflectivity of its part for being located at body region 208.
Compared with the existing technology, the brightness in the first area 207 can be promoted, to be conducive to reduce between the first area 207 and the second area 208
Luminance difference more uniform face light can be provided for display panel so that the brightness of backlight module 200 is more uniform
Source, being conducive to, which improves display device, there is the phenomenon that shadow, promotes the brightness homogeneity of display device, improves the aobvious of display device
Show effect.
Optionally, referring to figure 3., Fig. 3 is the firstth area on reflector plate in backlight module provided by the embodiment of the present application
Schematic diagram, in backlight module 200 provided by the embodiment of the present application, the first area 207 include the first sub-district 301 and at least one the
Two sub-districts 302, the first sub-district 301 is adjacent with groove body 203, and the second sub-district 302 is located at one of the first sub-district 301 far from groove body 203
Side；
The reflectivity that reflector plate 201 is located at the part of the first sub-district 301 is greater than the anti-of its part for being located at the second sub-district 302
Penetrate rate.
Specifically, the first area 207 on reflector plate 201 includes the first sub-district 301 and at least one second sub-district 302,
That is the first area 207 can be divided into two or more sub-district, the embodiment of the present application does not do any restriction to this, can be with
The quantity in the first area 207 is divided accordingly according to the actual situation, Fig. 3 only includes first sub-district with the first area 207
301 and second sub-district 302 for be illustrated.In the first area 207 of reflector plate 201, the first sub-district 301 and groove body
203 is adjacent, and the second sub-district 302 is located at the first side of the sub-district 301 far from groove body 203, since groove body 203 emits LED202
The blocking effect that light out is mapped to the first area 207 is different, and in the first area 207, the degree of shadow is remote close to groove body 203
It is stronger when from the side LED202, opposite it can weaken when far from this region, that is to say, that when the reflectivity for not adjusting reflector plate 201
When, the brightness of the first sub-district 301 can be secretly in the second sub-district 302, therefore sets big for the reflectivity of the part of the first sub-district 301
When the reflectivity for the part that it is located at the second sub-district 302, is conducive to the albedo for promoting the first sub-district 301, reduces first
Luminance difference between sub-district 301 and the second sub-district 302, simultaneously because reflector plate 201 is located at the first sub-district 301 and the second sub-district
The reflectivity of 302 part is all larger than the reflectivity of its part for being located at body region 208, thus can also reduce the first area 207
With the luminance difference between body region 208, in this way, according to the difference of shadow degree come 207 reflector plate of the firstth area of corresponding promotion
201 reflectivity, so that the brightness of backlight module 200 is more uniform, thus be conducive to be promoted the brightness homogeneity of display device,
Being more conducive to, which improves display device, there is the phenomenon that shadow.
Optionally, referring to figure 4., Fig. 4 is a kind of AA ' sectional view of backlight module provided in Fig. 2, and the application is implemented
In backlight module 200 provided by example, reflector plate 201 is integrally formed, and backlight module 200 further includes being arranged in 201 court of reflector plate
To the reflectorized material 209 of the light-emitting surface side of backlight module 200, reflectorized material 209 is located at the first area 207.
Specifically, incorporated by reference to Fig. 2 and Fig. 4, the reflector plate 201 in backlight module 200 divides for body region 208 and the firstth area
207, and it is optional, the first area 207 is divided into the first sub-district 301 and the second sub-district 302 again, which uses in production
Integrally formed mode simplifies the production process of reflector plate 201, is also convenient for the integrated metaplasia of reflector plate 201 in practical application
It produces.Backlight module 200 further includes the reflectorized material 209 that reflector plate 201 is arranged in towards the light-emitting surface side of backlight module 200,
Reflectorized material 209 is located at the first area 207, is changed first on reflector plate 201 using the reflectorized material 209 for being located at the first area 207
The reflectivity in area 207 may make corresponding first sub-district in the first area 207 by increasing reflectorized material 209 on this basis
301 and second the reflectivity of sub-district 302 may be configured as identical, the reflectivity of the first sub-district 301 can also be set larger than second
The reflectivity of sub-district 302, so that the reflectivity in the first area 207 on reflector plate 201 is differentially promoted, so that backlight module 200
More uniform area source can be provided for display device, improve display device and the phenomenon that shadow occur.
Optionally, please continue to refer to Fig. 4, in backlight module 200 provided by the embodiment of the present application, reflectorized material 209 is
White oil or white glue.
Specifically, the reflectorized material 209 that 201 first area 207 of reflector plate is arranged in can select white oil or white glue, white oil
With chemical inertness and good photostability, white glue stability is good and non-aging, with white oil or white glue as reflective
Material 209, can effectively promote the light reflectance in the first area 207, and the light in the firstth area of LED202 directive 207 passes through white oil
Or after the reflection of white glue, there is most of light that will reflex to the light-emitting surface of backlight module 200, to be conducive to increase from the
The albedo in one area 207 is conducive to reduce the luminance difference in backlight module 200 between first area 207 and body region 208,
Thus, more uniform area source can be provided for display device by advantageously allowing backlight module 200, and then be effectively improved display
There is the phenomenon that shadow in device.
Optionally, referring to figure 5., Fig. 5 is a kind of signal of reflector plate in backlight module provided by the embodiment of the present application
Figure；In backlight module 200 provided by the embodiment of the present application, reflector plate 201 includes the first reflector plate 402 for mutually splicing and the
Two reflector plates 401, the first reflector plate 402 are located at body region 208, and the second reflector plate 401 is located at the first area 207, the second reflector plate
401 reflectivity is greater than the reflectivity of the first reflector plate 402.
Specifically, continuing with referring to Fig. 5, reflector plate 201 is by the first reflector plate 402 mutually spliced and the second reflector plate
401 compositions, the first reflector plate 402 is located at body region 208, and the reflectivity of the first reflector plate 402 is less than the second reflector plate 401
Reflectivity, the second reflector plate 401 are located at the first area 207, due to blocking for groove body 203, can travel to 207 light number of the firstth area
Amount can be relatively small, in consideration of it, higher second reflector plate 401 of reflectivity is arranged in the first area 207 in the application, so that second is anti-
More light can be reflected to the light-emitting surface of backlight module 200 by penetrating piece 401, right for different location, different reflectivity demand
First reflector plate 402 and the second reflector plate 401 are respectively set, and the first different reflector plate 402 and second of reflecting rate is anti-
It penetrates piece 401 to be spliced, forms the reflector plate 201 of an entirety, the first weaker area 207 of light is promoted targetedly with this
Brightness, the homogeneity for making backlight module 200 emit beam is improved, to be conducive to be promoted the display effect of display device
Fruit.It should be noted that more clearly to distinguish the first reflector plate 402 and the second reflector plate 401, the first reflector plate 402 in Fig. 5
And second have certain gap between reflector plate 401, in fact, the first reflector plate 402 and the second reflector plate 401 are therebetween
It is gapless.Seamless spliced mode can be used herein for the first reflector plate 402 and the second reflector plate 401 to be spliced, no
It needs to simplify assembling flow path when backlight module production using any adhesives, is conducive to the effect for improving mass production
Rate.Certainly, it if necessary, can also be bonded by optical cement between the first reflector plate 402 and the second reflector plate 401,
The application is to this without specifically limiting.
Optionally, please continue to refer to Fig. 5, in backlight module 200 provided by the embodiment of the present application, reflector plate 201 includes
One the second reflector plate 401.
Specifically, the different demands of reflector plate 201 are manufactured for convenience, reflector plate 201 includes one the
Two reflector plates 401, the second reflector plate 401 is located at the first weaker area 207 of brightness, and the first reflector plate 402 is located at body region
208, the reflectivity of the second reflector plate 401 is greater than the reflectivity of the first reflector plate 402, promotes LED202 with this and is mapped to the firstth area
The reflectivity of 207 light increases the albedo in the first area 207, and then promotes the brightness in the first area 207, so that the firstth area
207 brightness and the brightness of body region 208 are almost identical, the phenomenon that shadow occur to be conducive to improve display device.It needs
Illustrate, while increasing the brightness in the first area 207, to make the brightness in the first area 207 more uniform, is located at the firstth area
The reflectivity of 207 the second reflector plate 401 can be gradual change, such as from the side close to groove body 203 to separate groove body 203
The reflectivity of side, the second reflector plate 401 successively decreases.
Fig. 5, which is shown, is provided with the situation of second reflector plate 401 in the first area 207, optional in addition to such structure
Ground, please refers to Fig. 6, and Fig. 6 is a kind of schematic diagram of the second reflector plate in backlight module provided by the embodiment of the present application, the application
In backlight module 200 provided by embodiment, the second reflector plate 401 includes the second first reflector plate 501 and at least one second second
Reflector plate 502, the second first reflector plate 501 are located at the first sub-district 301, and the second second reflector plate 502 is located at the second sub-district 302, and second
The reflectivity of first reflector plate 501 is greater than the reflectivity of the second second reflector plate 502.
Specifically, the degree of the middle shadow occurred is different according to the actual situation, and the second reflector plate 401 can be divided is second
First reflector plate 501 and one or more second second reflector plates 502, the present embodiment is not especially limited this, can be according to practical feelings
The demand of condition is changed accordingly；Luminosity is most weak in generation shadow area first is arranged in second first reflector plate 501
Sub-district 301, the second second reflector plate 502 are located at second sub-district weaker than 208 brightness of body region higher than 301 brightness of the first sub-district
302, it is contemplated that the amount for the light that the first sub-district 301 in the first area 207 can be received with the second sub-district 302 is different, and first
Sub-district 301 is adjacent with groove body 203, and the light received is less, and the second sub-district 302 is for the first sub-district 301, Neng Goujie
More light is received, therefore the application places the second different first of reflectivity with the second sub-district 302 in the first sub-district 301 respectively
Reflector plate 501 and the second second reflector plate 502 facilitate the different demands with regard to the second reflector plate to be manufactured, and then pass through splicing
Second reflector plate 401 an of entirety is re-formed, wherein since the reflectivity of the second first reflector plate 501 is higher, the second first
Reflector plate 501 can reflect more light, to be conducive to reduce the brightness between the first sub-district 301 and the second sub-district 302
Difference targetedly promotes the brightness in the first weaker area 207 of brightness with this, the light luminance for issuing backlight module 200
Homogeneity improves, to be conducive to be promoted the display effect of display device.
Optionally, Fig. 7 is please referred to, Fig. 7 is the another of the second reflector plate in backlight module provided by the embodiment of the present application
Kind of schematic diagram, in backlight module 200 provided by the embodiment of the present application, the reflectivity of same second second reflector plate 502 is identical；From
Close to the side of groove body 203 to the side of separate groove body 203, the reflectivity of the second different second reflector plates 502 successively decreases.
Specifically, by taking embodiment illustrated in fig. 7 as an example, the second reflector plate 401 includes the second first reflector plate 501 and two second
Second reflector plate 502, respectively the second second reflector plate 5021 and the second second reflector plate 5022, the reflectivity of same second second reflector plate
It is identical；From the side close to groove body 203 to the side far from groove body 203, the light launched due to LED202 is by groove body
The 203 quantity differences stopped, the degree for dark space occur is also different, and the application will be located at the second second reflector plate of different zones
502 reflectivity is set as the trend successively decreased.Compared to the second second reflector plate 5021, the second second reflector plate 5022 is apart from groove body 203
Farther out, the dark of 5021 corresponding region of the second second reflector plate, therefore the reflectivity of the second second reflector plate 5021 is arranged
Greater than the reflectivity of the second second reflector plate 5022, enables and more light are reflected into the corresponding region of the second second reflector plate 5021
Line is conducive to reduce the first area 207 with the luminance difference reduced between the second second reflector plate 5021 and the second second reflector plate 5022
In luminance difference between each region, and then be conducive to reduce the luminance difference between the first area 207 and the second area 208, therefore
It is more conducive to promoting the uniformity of the light of the be provided to display device of backlight module 200, to be conducive to improve display dress
It sets and the phenomenon that shadow occurs, promote the display effect of display device.
Optionally, Fig. 8 is please referred to, Fig. 8 is that reflector plate is fixed on substrate in backlight module provided by the embodiment of the present application
On a kind of schematic diagram, in backlight module 200 provided by the embodiment of the present application, the thickness of the second reflector plate 401 is equal to first
The thickness of reflector plate 402.
Specifically, the thickness of the thickness of the second reflector plate 401 and the first reflector plate 402 is identical, just be can guarantee in this way
When first reflector plate 402 and the second reflector plate 401 are attached in the substrate 601 of backlight module 200, to be conducive to keep reflector plate
201 integral smoothness provides smooth reflectance coating for light, makes same level directive backlight of the light from reflector plate 201
The light-emitting surface of mould group 200.
It optionally, further include substrate 601 in backlight module 200 provided by the embodiment of the present application please continue to refer to Fig. 8,
First reflector plate 402 and the second reflector plate 401 be fixed on substrate 601 towards backlight module 200 light-emitting surface side.
Specifically, there is the substrate 601 for being used to fixation reflex piece 201 in backlight module 200, by the first reflector plate 402
With the second reflector plate 401 be fixed on substrate 601 towards backlight module 200 light-emitting surface side, allow reflector plate 201 steady
The fixed needed position being fixed in backlight module, and its towards backlight module light-emitting surface side, be conducive to efficiently will
The light emitted is reflected into the light-emitting surface of backlight module, so that the reflector plate 201 that receives of display equipment high efficiency reflects
The light come is conducive to the display effect for promoting display device.It should be noted that the first reflector plate 402 and the second reflector plate
401 specific locations for being fixed on substrate 601 are determined by actual conditions, can do appropriate adjustment depending on the situation, this
Embodiment does not make concrete regulation herein.
Optionally, please continue to refer to Fig. 8, in backlight module 200 provided by the embodiment of the present application, the first reflector plate 402
It is pasted between substrate 601 and between the second reflector plate 401 and substrate 601 by double-sided adhesive 602.
Specifically, pass through between the first reflector plate 402 and substrate 601 and between the second reflector plate 401 and substrate 601
Double-sided adhesive 602 is pasted, which is the negligible double-sided adhesive 602 of thickness, and the light of double-sided adhesive 602 penetrates
Rate is higher to cause any impact to avoid the reflector efficiency to reflector plate 201, stable by the first reflector plate 402 and
Two reflector plates 401 are fixed in substrate 601, are conducive to the stability for keeping 201 reflecting effect of reflector plate, and then promote display dress
The display effect set.It should be noted that double-sided adhesive 602 can whole face covering in backlight module provided by the embodiment of the present application
In substrate 601, then the first reflector plate 402 and the second reflector plate 401 are fixed on double-sided adhesive 602 again, so that instead
It is more smooth to penetrate piece overall surface；Certainly, it is banged in some other embodiments of the application, double-sided adhesive can also be only in the first reflection
The region setting that piece 402 and the second reflector plate 401 have a common boundary, the application is to this without specifically limiting.
Based on the same inventive concept, present invention also provides a kind of display device 700, Fig. 9 and Figure 10 are please referred to, Fig. 9 is
A kind of structure chart of display device provided by the embodiment of the present application, Figure 10 are display devices provided by the embodiment of the present application
A kind of BB ' sectional view, the display device 700 include display panel 701 and backlight module 200, which is the application
Any backlight module 200 provided by above-described embodiment, display panel 701 are liquid crystal display panel.Specifically, display panel
701 be located at backlight module 200 towards display device 700 light-emitting surface side, it should be noted that Fig. 9 only symbolically gives
Go out the relative positional relationship of display panel 701 and backlight module 200, does not represent practical film layer structure.It should be noted that
The embodiment of display device 700 provided by the embodiment of the present application can be found in the embodiment of above-mentioned backlight module 200, repeat place
It repeats no more.Display device 700 provided herein can be with are as follows: mobile phone, tablet computer, television set, display, notebook electricity
Any products or components having a display function such as brain, Digital Frame, navigator.
Optionally, Fig. 9 is referred to, the present invention has reserved installation camera 702 and/or optical sensor in a display device
703 groove body 203 meets consumer in social development and the demand of display device is also beneficial to improve display device
Practicability.In addition, being arranged camera and/or optical sensor in groove body, the display effect realized and shielded comprehensively is also helped,
Be conducive to the Highgrade integration of display device.
Through the foregoing embodiment it is found that backlight module provided by the invention and display device, at least realizing following has
Beneficial effect:
In backlight module and display device provided herein, the reflector plate in backlight module include body region and with institute
The firstth adjacent area of body region is stated, the area in the firstth area is less than the area of body region, and the firstth area is also adjacent with groove body and is located at slot
Side of the body far from LED；Due to blocking for groove body, the amount of light that can travel to the firstth area is less, and backlight module is caused to mention
The area source homogeneity of confession is poor, and shadow phenomenon occurs in the region for easily leading to the display device of its application, influences display device
Display effect.For this purpose, the application is likely to occur the reflection of reflector plate corresponding to the region of shadow by being promoted in backlight module
Rate promotes the reflectivity of reflector plate corresponding to above-mentioned firstth area, so that reflector plate is located at the reflectivity of the part in the firstth area
Greater than the reflectivity of its part for being located at body region, the promotion of the region reflectivity is conducive to raising LED and is emitted to the firstth area
The reflectivity of light, that is, improve the albedo in the firstth area, to be conducive to improve the brightness in the firstth area, advantageously reduces first
The luminance difference in area and body region.Therefore, the reflection that reflector plate is located at the part in the firstth area is promoted in the backlight module of the application
Rate is equivalent to and improves the reflectivity of the reflector plate in the weaker area of brightness in the prior art, can reflect more light, from
And increasing the brightness in the region, the area source for providing backlight module display device is more uniform, to be conducive to improve aobvious
There is the phenomenon that shadow in showing device, promotes the brightness homogeneity of display device, and then is conducive to be promoted the display effect of display device
Fruit.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (12)
1. a kind of backlight module characterized by comprising reflector plate and multiple LED；
The reflector plate include groove body, special-shaped edge, the first edge being oppositely arranged with the abnormity edge and with it is described different
The second edge that shape edge is disposed adjacent, the abnormity edge convex to form the groove body, the LED towards the first edge
Side positioned at the second edge far from the groove body；
The reflector plate includes body region and firstth area adjacent with the body region, and the area in firstth area is less than the master
The area in body area, firstth area is also adjacent with the groove body and is located at side of the groove body far from the LED；
The reflectivity that the reflector plate is located at the part in firstth area is greater than the reflectivity of its part for being located at the body region.
2. backlight module according to claim 1, which is characterized in that firstth area includes the first sub-district and at least one
Second sub-district, first sub-district is adjacent with the groove body, and second sub-district is located at first sub-district far from the groove body
Side；
The reflectivity that the reflector plate is located at the part of first sub-district is greater than the anti-of its part for being located at second sub-district
Penetrate rate.
3. backlight module according to claim 2, which is characterized in that the reflector plate is integrally formed, the backlight module
It further include the reflectorized material that the reflector plate is set towards the light-emitting surface side of the backlight module, the reflectorized material is located at
Firstth area.
4. backlight module according to claim 3, which is characterized in that the reflectorized material is white oil or white glue.
5. backlight module according to claim 2, which is characterized in that the reflector plate includes the first reflection mutually spliced
Piece and the second reflector plate, first reflector plate are located at the body region, and second reflector plate is located at firstth area, described
The reflectivity of second reflector plate is greater than the reflectivity of first reflector plate.
6. backlight module according to claim 5, which is characterized in that the reflector plate includes second reflection
Piece.
7. backlight module according to claim 5, which is characterized in that second reflector plate include the second first reflector plate and
At least one second second reflector plate, the second first reflector plate are located at first sub-district, and the second second reflector plate is located at institute
The second sub-district is stated, the reflectivity of the second first reflector plate is greater than the reflectivity of the second second reflector plate.
8. backlight module according to claim 7, which is characterized in that the reflectivity phase of the same second second reflector plate
Together；From the side of the close groove body to the side far from the groove body, the reflectivity of different the second second reflector plates is passed
Subtract.
9. backlight module according to claim 5, which is characterized in that the thickness of second reflector plate is equal to described first
The thickness of reflector plate.
10. backlight module according to claim 5, which is characterized in that it further include substrate, first reflector plate and described
Second reflector plate be fixed on the substrate towards the backlight module light-emitting surface side.
11. backlight module according to claim 10, which is characterized in that between first reflector plate and the substrate,
And pass through sticking double faced adhesive tape between second reflector plate and the substrate.
12. a kind of display device, which is characterized in that any backlight module including claim 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811558484.6A CN109407403B (en) | 2018-12-19 | 2018-12-19 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811558484.6A CN109407403B (en) | 2018-12-19 | 2018-12-19 | Backlight module and display device |
Publications (2)
| Publication Number | Publication Date |
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| CN109407403A true CN109407403A (en) | 2019-03-01 |
| CN109407403B CN109407403B (en) | 2021-07-16 |
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ID=65460076
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811558484.6A Active CN109407403B (en) | 2018-12-19 | 2018-12-19 | Backlight module and display device |
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| Country | Link |
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| CN110471217A (en) * | 2019-07-23 | 2019-11-19 | 厦门天马微电子有限公司 | Display module and display device |
| CN114355668A (en) * | 2021-12-27 | 2022-04-15 | 广州华星光电半导体显示技术有限公司 | Backlight module and display module |
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| Publication number | Publication date |
|---|---|
| CN109407403B (en) | 2021-07-16 |
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