CN108776413A - Backlight module, liquid crystal display die set and electronic device - Google Patents
Backlight module, liquid crystal display die set and electronic device Download PDFInfo
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- CN108776413A CN108776413A CN201810907448.XA CN201810907448A CN108776413A CN 108776413 A CN108776413 A CN 108776413A CN 201810907448 A CN201810907448 A CN 201810907448A CN 108776413 A CN108776413 A CN 108776413A
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- backlight module
- light hole
- lustre
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 49
- VQLYBLABXAHUDN-UHFFFAOYSA-N bis(4-fluorophenyl)-methyl-(1,2,4-triazol-1-ylmethyl)silane;methyl n-(1h-benzimidazol-2-yl)carbamate Chemical compound C1=CC=C2NC(NC(=O)OC)=NC2=C1.C=1C=C(F)C=CC=1[Si](C=1C=CC(F)=CC=1)(C)CN1C=NC=N1 VQLYBLABXAHUDN-UHFFFAOYSA-N 0.000 claims abstract description 71
- 238000009792 diffusion process Methods 0.000 claims abstract description 64
- 230000004888 barrier function Effects 0.000 claims abstract description 52
- 239000000463 material Substances 0.000 claims description 28
- 238000002834 transmittance Methods 0.000 claims description 20
- 239000000758 substrate Substances 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 18
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- 239000003292 glue Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000001788 irregular Effects 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
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- 230000007704 transition Effects 0.000 description 1
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
Abstract
This application discloses a kind of backlight module, liquid crystal display die set and electronic devices.Backlight module includes the lustre adding layer being cascading, diffusion barrier, light guide plate and reflector plate, diffusion barrier offers the first light hole, first light hole is configured as being aligned away from the function element of light guide plate side in reflector plate with being arranged, so that the light that function element is sent out is emitted to by the first light hole outside backlight module, and/or so that function element receives incident and by the first light hole the light outside backlight module.Backlight module, liquid crystal display die set and the electronic device of the application embodiment improve the local transparent rate of backlight module by opening up the first light hole, loss of the light by diffusion barrier in diffusion barrier can be reduced or even eliminated, allow function element preferably by the first light hole to the light for emitting beam or receiving outside backlight module outside backlight module, to assurance function proper device operation.
Description
Technical field
This application involves a kind of display technology field more particularly to backlight module, liquid crystal display die set and electronic devices.
Background technology
The electronic devices such as the mobile phone of large-size screen monitors accounting are increasingly favored by user.Screen in order to improve electronic device accounts for
Than that the function elements such as range sensor and light sensor can be mounted on to the lower section of display screen component, however, due to display screen
The light transmittance of component is poor, causes large effect to function element, or even can not work normally.
Invention content
A kind of backlight module of the application offer, liquid crystal display die set and electronic device.
The backlight module of the liquid crystal display die set of the application embodiment includes the lustre adding layer being cascading, diffusion
Film, light guide plate and reflector plate, the diffusion barrier include offering the first light hole, and first light hole is configured as and is arranged
It is aligned in function element of the reflector plate away from the light guide plate side, so that the light that the function element is sent out passes through institute
It states the first light hole to be emitted to outside the backlight module, and/or so that function element reception enters outside the backlight module
It penetrates and by the light of first light hole.
The liquid crystal display die set of the application embodiment includes the backlight module of the above embodiment and is arranged in the increasing
Photosphere deviates from the liquid crystal display of the diffusion barrier side.
The electronic device of the application embodiment includes backlight module and function element, and the backlight module includes layer successively
Lustre adding layer, diffusion barrier, light guide plate and the reflector plate of folded setting, the diffusion barrier offer the first light hole, the function element
It is arranged and deviates from the side of the light guide plate in the reflector plate and be aligned with first light hole, the function element is for leading to
It crosses first light hole to emit beam to outside the backlight module, and/or is received from the back of the body by first light hole
The outer incident light of optical mode group.
Backlight module, liquid crystal display die set and the electronic device of the application embodiment are carried by opening up the first light hole
The local transparent rate of high backlight module can reduce or even eliminate loss of the light by diffusion barrier in diffusion barrier so that work(
Can device can preferably by the first light hole to the light for emitting beam or receiving outside backlight module outside backlight module,
To assurance function proper device operation.
The additional aspect and advantage of the application will be set forth in part in the description, and will partly become from the following description
It obtains obviously, or recognized by the practice of the application.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the application is from combining in description of the following accompanying drawings to embodiment by change
It obtains obviously and is readily appreciated that, wherein：
Fig. 1 is the decomposition diagram of the backlight module of the application embodiment；
Fig. 2 to Fig. 6 is the stereoscopic schematic diagram of the diffusion barrier of the application embodiment；
Fig. 7 is the stereoscopic schematic diagram of the diffusion barrier of another embodiment of the application；
Fig. 8 is the decomposition diagram of the backlight module of another embodiment of the application；
Fig. 9 is the stereoscopic schematic diagram of the reflector plate of the application embodiment；
Figure 10 is the decomposition diagram of the backlight module of another embodiment of the application；
Figure 11 is the decomposition diagram of the lustre adding layer of the application embodiment；
Figure 12 is the decomposition diagram of the lustre adding layer of another embodiment of the application；
Figure 13 is the decomposition diagram of the lustre adding layer of the another embodiment of the application；
Figure 14 is the stereoscopic schematic diagram of the lustre adding layer of the application embodiment；
Figure 15 is the decomposition diagram of the backlight module of another embodiment of the application；
Figure 16 is the diagrammatic cross-section of the lustre adding layer of the application embodiment；
Figure 17 is the decomposition diagram of the backlight module of another embodiment of the application；
Figure 18 is the diagrammatic cross-section of the lustre adding layer of another embodiment of the application；
Figure 19 is the decomposition diagram of the backlight module of another embodiment of the application；
Figure 20 is the diagrammatic cross-section of the light guide plate of the application embodiment；
Figure 21 is the diagrammatic cross-section of the light guide plate of another embodiment of the application；
Figure 22 is the decomposition diagram of the backlight module of another embodiment of the application；
Figure 23 is the decomposition diagram of the backlight module of the another embodiment of the application；
Figure 24 is the diagrammatic cross-section of the backlight module of the application embodiment；
Figure 25 is the decomposition diagram of the backlight module of the application a further embodiment；
Figure 26 is the diagrammatic cross-section of the backlight module of another embodiment of the application；
Figure 27 is the diagrammatic cross-section of the backlight module of another embodiment of the application；
Figure 28 is the diagrammatic cross-section of the backlight module of the another embodiment of the application；
Figure 29 is the diagrammatic cross-section of the backlight module of the application a further embodiment；
Figure 30 is the decomposition diagram of the liquid crystal display die set of the application embodiment；
Figure 31 is the decomposition diagram of the liquid crystal display die set of another embodiment of the application；
Figure 32 is the floor map of the electronic device of the application embodiment；With
Figure 33 is the diagrammatic cross-section of the electronic device of the application embodiment.
Main element symbol description：
Backlight module 10, elastic frame body 11, lustre adding layer 12, area 122 of adding lustre to, third light hole 124, translucent material 1242,
First bright enhancement film 126, the second bright enhancement film 128, protrusion 129, protrusion 129 ', supporting rack 13, substrate 132, the 4th light hole 1322,
Side wall 134, receiving space 136, diffusion barrier 14, light diffusion region 142, the first light hole 144, translucent material 1442, light guide plate 16,
Light guiding points 162, the first light guide section 164, the second light guide section 166, reflector plate 18, the second light hole 182, translucent material 1822, the back of the body
Light source 19, liquid crystal display die set 100, liquid crystal display 20, cover board 30, electronic device 1000, shell 200, function element 300.
Specific implementation mode
Presently filed embodiment is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the application, and should not be understood as the limitation to the application.
In the description of the present application, it is to be understood that term "center", " thickness ", "upper", "lower", "left", "right",
"inner", "outside", etc. instructions orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of retouching
It states the application and simplifies and describe, do not indicate or imply the indicated device or element must have a particular orientation, with specific
Azimuth configuration and operation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second " are only used for retouching
Purpose is stated, relative importance is not understood to indicate or imply or implicitly indicates the quantity of indicated technical characteristic.By
This defines " first ", the feature of " second " can explicitly or implicitly include one or more feature.At this
In the description of application, the meaning of " plurality " is two or more, unless otherwise specifically defined.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the application.In order to
Simplify disclosure herein, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
And purpose does not lie in limitation the application.In addition, the application can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.In addition, this application provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
Referring to Fig. 1, the backlight module 10 of the liquid crystal display die set of the application embodiment includes being cascading
Lustre adding layer 12, diffusion barrier 14, light guide plate 16 and reflector plate 18, diffusion barrier 14 offer the first light hole 144, the first light hole
144 are configured as being aligned away from the function element 300 of 16 side of light guide plate in reflector plate 18 with being arranged, so that function element 300
The light sent out is incident upon by the first light hole 144 outside backlight module 10, and/or so that function element 300 is received from backlight mould
The outer incidence of group 10 and the light by the first light hole 144.
Can be the first light hole 144 in light guide plate 16 it is appreciated that the first light hole 144 is aligned with function element 300
On orthographic projection of the orthographic projection covering function device 300 on light guide plate 16.
The backlight module 10 of the application embodiment improves the part of backlight module 10 by opening up the first light hole 144
Light transmittance can reduce or even eliminate loss of the light by diffusion barrier 14 in diffusion barrier 14 so that function element 300 can be with
Preferably by the first light hole 144 to the light for emitting beam or receiving outside backlight module 10 outside backlight module 10, from
And assurance function device 300 works normally.
Specifically, please see Fig. 2 to Fig. 4, the first light hole 144 can be located at any position of diffusion barrier 14, herein not
The position of first light hole 144 is defined.
In one example, the first light hole 144 is in the upper right corner of diffusion barrier 14, as shown in Figure 2；In another example
In, the first light hole 144 is in the lower left corner of diffusion barrier 14, as shown in Figure 3；In another example, in the first light hole 144
The heart is overlapped with the center of diffusion barrier 14, as shown in Figure 4.
In addition, the shape of the first light hole 144 can be circle, it is ellipse, square, rectangle, trapezoidal, irregular polygon
The arbitrary shapes such as shape are not defined the shape of the first light hole 144 herein.
In addition, please referring to fig. 4 to fig. 6, diffusion barrier 14 may include first light hole 144, can also include multiple
First light hole 144 is not defined the quantity of the first light hole 144 herein.
In the example in fig. 4, diffusion barrier 14 includes 1 the first light hole 144；In the example of fig. 5, diffusion barrier 14 includes
3 the first light holes 144；In the example of fig. 6, diffusion barrier 14 includes 5 the first light holes 144.
Referring to Fig. 1, in some embodiments, diffusion barrier 14 further includes light diffusion region 142, light diffusion region 142 is located at
The extension of first light hole 144.
In this way, diffusion barrier 14 can make to form diffusing reflection by the light of light diffusion region 142 by light diffusion region 142, from
And achieve the effect that light.
Referring to Fig. 7, in some embodiments, being filled out equipped with translucent material 1442, translucent material in the first light hole 144
1442 light transmittance is more than 90%.
So so that the light transmittance of the first light hole 144 is more than the light transmittance of light diffusion region 142 so that function element 300
It can be preferably by the first light hole 144 to the light for emitting beam or receiving outside backlight module 10 outside backlight module 10
Line, to which assurance function device 300 works normally.
It should be pointed out that translucent material 1442 can be selected according to different function elements 300.Such as light diffusion region
142 material is polyethylene terephthalate (Polyethylene Terephthalate, PET), when the first light hole 144
Under function element 300 be light sensor when, translucent material 1442 can be organic glass (Polymethyl
Methacrylate, PMMA)；When the function element 300 under the first light hole 144 is infrared sensor, translucent material 1442
Can be IR ink.
Referring to Fig. 8, in some embodiments, reflector plate 18 offers the second light hole 182, the second light hole 182
It is aligned with the first light hole 144.
In this way, the light that the second light hole 182 allows function element 300 to send out is emitted to the back of the body after passing through reflector plate 18
Outside optical mode group 10, and/or function element 300 is received from the outer incident light of backlight module 10.
Referring to Fig. 9, in some embodiments, being filled out equipped with translucent material 1822, translucent material in the second light hole 182
1822 light transmittance is more than 90%.
In this way, being conducive to increase the light transmittance of the second light hole 182 so that function element 300 can be preferably by the
Two light holes 182 are to the light for emitting beam or receiving outside backlight module 10 outside backlight module 10, to assurance function device
Part 300 works normally.
Referring to Fig. 10, in some embodiments, lustre adding layer 12 offers third light hole 124, third light hole 124
It is aligned with the first light hole 144.
In this way, the light that third light hole 124 allows function element 300 to send out is emitted to the back of the body after passing through lustre adding layer 12
Outside optical mode group 10, and/or function element 300 is received from the outer incident light of backlight module 10.
In some embodiments, lustre adding layer 12 further includes area 122 of adding lustre to, and area 122 of adding lustre to is located at third light hole 124
Extension.
In this way, lustre adding layer 12 can make the light by area 122 of adding lustre to by multiple reflections and folding by area 122 of adding lustre to
It penetrates, to achieve the effect that enhance light intensity.
1 to Figure 13 is please referred to Fig.1, in some embodiments, lustre adding layer 12 includes the first bright enhancement film 126 and is stacked
In the first bright enhancement film 126 towards the second bright enhancement film 128 of 14 side of diffusion barrier, in the first bright enhancement film 126 and the second bright enhancement film 128
At least one offer the third light hole 124 being aligned with the first light hole 144.
In this way, it is logical selectively to open up third in the first bright enhancement film 126 and the second bright enhancement film 128 according to actual demand
Unthreaded hole 124.
It note that " at least one of the first bright enhancement film 126 and the second bright enhancement film 128 offer and the first thang-kng herein
The third light hole 124 " that hole 144 is aligned includes three kinds of situations：
Only the first bright enhancement film 126 includes third light hole 124, as shown in figure 11；
Only the second bright enhancement film 128 includes third light hole 124, as shown in figure 12；
First bright enhancement film 126 and the second bright enhancement film 128 include third light hole 124, as shown in figure 13.
4 are please referred to Fig.1, in some embodiments, is filled out in third light hole 124 equipped with translucent material 1242, light transmission material
The light transmittance of material 1242 is more than 90%.
So so that the light transmittance of third light hole 124 is more than the light transmittance in area 122 of adding lustre to so that function element 300 can
With preferably by third light hole 124 to the light for emitting beam or receiving outside backlight module 10 outside backlight module 10,
To which assurance function device 300 works normally.
5 to Figure 16 are please referred to Fig.1, in some embodiments, the surface shape corresponding with the first light hole 144 of lustre adding layer 12
It is arranged in array at having multiple raised 129, multiple raised 129.
It is appreciated that in order to make light enter human eye as much as possible, need to make light as much as possible along lustre adding layer 12
Thickness direction is emitted.However, when light is emitted from lustre adding layer 12, the exit direction and lustre adding layer of a certain proportion of light are had
12 thickness direction deviates larger, which cannot be utilized, and produce loss, cause the emitting brightness of display device compared with
It is low.
The lustre adding layer 12 of the application embodiment is due to being formed with multiple raised 129 so that exit direction and lustre adding layer 12
Thickness direction deviate larger part light, after the outgoing of lustre adding layer 12, other protrusions 129 can be reentered,
And after the refraction and reflection of protrusion 129, adjusting from the direction that lustre adding layer 12 is emitted so that add lustre on light edge as much as possible
The thickness direction outgoing of layer 12, to enter within the visual angle of observer.So that the light lost originally is utilized again,
To improve the emitting brightness of backlight module 10, and then improve user experience.
7 to Figure 18 are please referred to Fig.1, in some embodiments, 12 surface of bright enhancement film is formed with multiple raised 129 ', adds lustre to
Floor 12 adds lustre to area 122 including the first area 121 and second of adding lustre to, and the first area 121 of adding lustre to is aligned with the first light hole 144, is located at the
One add lustre to area 121 protrusion 129 ' density be more than be located at second add lustre to area 122 protrusion 129 ' density.
In this way, the set-up mode of protrusion 129 ' can compensate the vision difference generated due to opening up the first light hole 144.
It is appreciated that 122 higher of area even if the light transmittance of the first light hole 144 adds lustre to than second, but due to first logical
Unthreaded hole 144 lacks diffusion structure, and user is easy to feel that in observation, 144 band of position of the first light hole is added lustre to area 122 than second
It is darker so that user experience is poor.And the first density of protrusion 129 ' for adding lustre to area 121 is more than and adds lustre to area 122 positioned at second
The density of protrusion 129 ', can increase by first add lustre to area 121 the thickness direction of lustre adding layer 12 guide-lighting amount, to increase liquid crystal
The amount of light of 144 corresponding region of display module 100 and the first light hole, and then the dimmed of the first light hole 144 can be compensated, have
Conducive to the discomfort of reduction user visually.
In some embodiments, add lustre on the direction that area 121 is added lustre to towards first by area 122 second, be located at second and increase
The density of the protrusion 129 ' in light area 122 gradually increases.
In this way, on the direction for adding lustre to area 121 towards first, the second area 122 of adding lustre to gradually brightens, so that user exists
It is visually more comfortable, and then improve user experience.For example, when the work display of liquid crystal display die set 100, with liquid crystal display die set
Centered on 100 regions corresponding with the first light hole 144, liquid crystal display die set 100 is to the brightness shown to surrounding from center
Transition change, to reduce the display difference of liquid crystal display die set 100.
9 and Figure 20 are please referred to Fig.1, in some embodiments, light guide plate 16 is formed with the light guiding points being arranged in array
162, light guide plate 16 includes the first light guide section 164 and the second light guide section 166, and the first light guide section 164 and the first light hole 144 are right
Together, the density for being located at the light guiding points 162 of the first light guide section 164 is more than the density of the light guiding points 162 positioned at the second light guide section 166.
In this way, the set-up mode of light guiding points 162 can compensate due to the light transmittance of the first light hole 144 is higher and generate
Vision difference.
Even if being appreciated that the light transmittance of the first light hole 144 than 142 higher of light diffusion region, but due to the first thang-kng
Hole 144 lacks diffusion structure, and user is easy to think that the first light hole 144 is more darker than light diffusion region 142 in observation so that user
It experiences poor.And the density of the light guiding points 162 of the first light guide section 164 is more than the close of the light guiding points 162 positioned at the second light guide section 166
Degree can increase by the first light guide section 164 in the guide-lighting amount of 16 thickness direction of light guide plate to increase liquid crystal display die set 100 in this way
With the amount of light of 144 corresponding region of the first light hole, and then the dimmed of the first light hole 144 can be compensated, advantageously reduce use
The discomfort of family visually.
Specifically, light guiding points 162 can be groove, protrusion or through-hole.The section of light guiding points 162 can be triangle, arc
Shape, rectangle, irregular polygon etc..The shape of light guiding points 162 is not defined herein.
In addition, the arrangement of light guiding points 162 can be rule, can also be irregular；Light guide plate 16 may include one
The light guiding points 162 of kind shape, can also include the light guiding points 162 of various shapes.Herein also not to the arrangement mode of light guiding points 162
It is defined.
In the example of fig. 20, the upper surface of light guide plate 16 is formed with multiple light guiding points 162.In the example of Figure 21, lead
The upper and lower surface of tabula rasa 16 is each formed with multiple light guiding points 162.
Figure 20 to Figure 21 is please referred to, in some embodiments, in the second light guide section 166 towards the first light guide section 164
On the A of direction, the density positioned at the light guiding points 162 of the second light guide section 166 gradually increases.Alternatively, in the first light guide section 164 towards
On the direction of two light guide sections 166, the density of the light guiding points 162 of the first light guide section 164 is gradually reduced.
In this way, on direction A of second light guide section 166 towards the first light guide section 164, the second light guide section 166 gradually brightens,
Or in the first light guide section 164 towards on the direction of the second light guide section 166, the first light guide section 164 is gradually dimmed, is conducive to make the
One light guide section 164 is seamlessly transitted with 162 density of light guiding points at the boundary line position of the second light guide section 166, avoids light guide plate
16 transfer out the backlights come is mutated at boundary line position of first light guide section 164 with the second light guide section 166, so that
User is visually more comfortable, and then improves user experience.For example, when the work display of liquid crystal display die set 100, with liquid crystal
Centered on showing the region corresponding with the first light hole 144 of module 100, liquid crystal display die set 100 is shown to from center to surrounding
Brightness seamlessly transit variation, to reduce the display difference of liquid crystal display die set 100.
Figure 22 is please referred to, in some embodiments, backlight module 10 further includes backlight 19, and the setting of backlight 19 is being led
The side of tabula rasa 16, backlight 19 are used to inject light source in light guide plate 16.In this way, providing light source for backlight module 10 so that
Backlight module 10 can work normally.
Backlight 19 is, for example, LED light source, and backlight 19 can be in band-like.The quantity of backlight 19 can be 1 or 2
The particular numbers such as a, are not restricted the quantity of backlight 19 herein.
Figure 23 to Figure 24 is please referred to, in some embodiments, backlight module 10 further includes elastic frame body 11, elastic frame body
11 surround lustre adding layer 12, diffusion barrier 14, light guide plate 16 and reflector plate 18, lustre adding layer 12, diffusion barrier 14, light guide plate 16 and reflector plate
18 are fixedly connected with elastic frame body 11.
In this way, backlight module 10 is encapsulated integrally, while being conducive to backlight module 10 and other assembling fittings,
It can be to avoid backlight module 10 from side light leakage.
Specifically, elastic frame body 11 can be glue frame.More specifically, elastic frame body 11 can be lighttight glue frame.?
It, can the first sequentially heap in a mold by lustre adding layer 12, diffusion barrier 14, light guide plate 16 and reflector plate 18 in actual production process
It is folded, the then dispensing between lustre adding layer 12, diffusion barrier 14, light guide plate 16 and reflector plate 18 and the mold that heap is folded, finally by glue
It is cured to form glue frame.
Figure 25 and Figure 26 are please referred to, in some embodiments, backlight module 10 further includes supporting rack 13, and supporting rack 13 wraps
The side wall 134 that substrate 132 and 132 edge of self-reference substrate extend is included, side wall 134 is surrounded by receiving space 136 with substrate 132, adds lustre to
Layer 12, diffusion barrier 14, light guide plate 16 and reflector plate 18 are contained in receiving space 136, and substrate 132 offers and the first light hole
4th light hole 1322 of 144 alignment.
In this way, the reliability of backlight module 10 can be improved while assurance function device 300 works normally.It can manage
Solution, supporting rack 13 can improve the intensity of backlight module 10, to protect backlight module 10 when by foreign impacts.
Specifically, supporting rack 13 may be used iron and be made.In actual production process, glue or adhesive tape may be used
Lustre adding layer 12, diffusion barrier 14, light guide plate 16 and reflector plate 18 are fixed in receiving space 136.
4th light hole 1322 can make function element emit beam to outside liquid crystal display die set 100, and receive from liquid
The outer incident light of brilliant display module 100.
Figure 27 to Figure 29 is please referred to, in some embodiments, the 4th light hole 1322 is at least partly accommodating function
Device 300.
It note that " the 4th light hole 1322 is at least partly accommodating function element 300 " includes two kinds of situations herein：
Function element 300 is fully located in the 4th light hole 1322, as shown in Figure 27 to Figure 28, in the example of Figure 27
In, the size of function element 300 is roughly the same with the size of the 4th light hole 1322, in the example of Figure 28, function element 300
Size be less than the 4th light hole 1322 size；
Function element 300 is positioned partially in the 4th light hole 1322, as shown in figure 29.
It please refers to Fig.1 and Figure 30, the liquid crystal display die set 100 of the application embodiment includes any of the above embodiment
Backlight module 10 deviates from the liquid crystal display 20 of 14 side of diffusion barrier with being arranged in lustre adding layer 12.
The liquid crystal display die set 100 of the application embodiment improves backlight module 10 by opening up the first light hole 144
Local transparent rate, loss of the light by diffusion barrier 14 in diffusion barrier 14 can be reduced or even eliminated so that function element
300 can be preferably by the first light hole 144 to emitting beam or receive outside backlight module 10 outside backlight module 10
Light, to which assurance function device 300 works normally.
Figure 31 is please referred to, in some embodiments, liquid crystal display die set 100 includes the cover board of covering liquid crystal display screen 20
30。
Specifically, cover board 30 can be made of materials such as glass, ceramics or sapphires.Since cover board 30 covers liquid crystal display
Screen 20, in order to protect liquid crystal display 20, cover board 30 that the larger material of hardness may be used and be made, such as above sapphire material
Material.Or hardened layer is formed to improve the anti-scratch ability of cover board 30 on the surface of cover board 30.
In one example, the light transmittance at the position corresponding with the first light hole 144 of liquid crystal display die set 100 is more than
30%, so that the light that function element 300 is sent out can be emitted to through liquid crystal display die set 100 outside liquid crystal display die set 100,
And/or the light outside reception liquid crystal display die set 100.
It should be pointed out that light transmittance can refer to the transmitance to visible light, the transmitance to infrared light can also be referred to.?
In one example, on the thickness direction of liquid crystal display die set 100, liquid crystal display die set 100 is 800-1000nm's to wavelength
The transmitance of infrared light is more than 30%.
It please refers to Fig.1, Figure 32 and Figure 33, the electronic device 1000 of the application embodiment includes shell 200 and to take up an official post
The liquid crystal display die set 100 of one embodiment, liquid crystal display die set 100 are arranged on shell 200.
The electronic device 1000 of the application embodiment improves the office of backlight module 10 by opening up the first light hole 144
Portion's light transmittance can reduce or even eliminate loss of the light by diffusion barrier 14 in diffusion barrier 14 so that function element 300 can
With preferably by the first light hole 144 to the light for emitting beam or receiving outside backlight module 10 outside backlight module 10,
To which assurance function device 300 works normally.
Specifically, shell 200 is the exterior components of electronic device 1000, plays protection and receiving liquid crystal display mode
The effect of the inner body of the electronic devices such as group 100 1000.More specifically, shell 200 can be the rear cover of electronic device 1000,
It accommodates the parts such as the battery of electronic device 1000.
It note that electronic device 1000 includes but not limited to mobile phone, tablet computer or wearable device.
The electronic device 1000 of the application embodiment includes backlight module 10 and function element 300.Backlight module 10 wraps
The lustre adding layer 12 being cascading, diffusion barrier 14, light guide plate 16 and reflector plate 18 are included, diffusion barrier 14 offers the first light hole
144.Function element 300, which is arranged, to deviate from the side of light guide plate 16 in reflector plate 18 and is aligned with the first light hole 144, function element
300 receive for being emitted beam to outside backlight module 10 by the first light hole 144, and/or by the first light hole 144 from the back of the body
The outer incident light of optical mode group 10.
The electronic device 1000 of the application embodiment improves the office of backlight module 10 by opening up the first light hole 144
Portion's light transmittance can reduce or even eliminate loss of the light by diffusion barrier 14 in diffusion barrier 14 so that function element 300 can
With preferably by the first light hole 144 to the light for emitting beam or receiving outside backlight module 10 outside backlight module 10,
To which assurance function device 300 works normally.
In some embodiments, function element 300 includes range sensor, camera module, light sensor and fingerprint
At least one of sensor.
In one example, function element 300 includes range sensor；In another example, function element 300 includes
Range sensor and camera module；In another example, function element 300 includes range sensor, camera module, light sense
Answer device and fingerprint sensor.
When function element 300 is range sensor, function element 300 is by the first light hole 144 to liquid crystal display die set
It emits beam outside 100 and the reflected light of object is received by the first light hole 144, so as to detection electronic installation
1000 at a distance from object.
When function element 300 is light sensor, function element 300 receives liquid crystal display mode by the first light hole 144
Light outside group 100, to detect ambient brightness.
When function element 300 is camera module, function element 300 receives liquid crystal display die set by the first light hole 144
Light outside 100, to obtain external image.
When function element 300 is fingerprint sensor, function element 300 is by the first light hole 144 to liquid crystal display die set
It emits beam outside 100, and the reflected light of finger is received by the first light hole 144, so as to detect finger print information.
It is appreciated that when the quantity of function element 300 is multiple, the quantity of corresponding first light hole 144 be also it is multiple,
And multiple first light holes 144 are corresponded with multiple function elements 300.
In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation
What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example
Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the application.In this specification
In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
While there has been shown and described that presently filed embodiment, it will be understood by those skilled in the art that：?
Can these embodiments be carried out with a variety of variations in the case of not departing from the principle and objective of the application, modification, replace and become
Type, scope of the present application are limited by claim and its equivalent.
Claims (17)
1. a kind of backlight module of liquid crystal display die set, which is characterized in that the backlight module includes the increasing being cascading
Photosphere, diffusion barrier, light guide plate and reflector plate, the diffusion barrier offer the first light hole, and first light hole is configured as
It is aligned in function element of the reflector plate away from the light guide plate side with being arranged, so that the light that the function element is sent out
It is incident upon outside the backlight module by first light hole, and/or so that the function element is received from the backlight module
Light outer incident and by first light hole.
2. backlight module as described in claim 1, which is characterized in that filled out in first light hole equipped with translucent material, institute
The light transmittance for stating translucent material is more than 90%.
3. backlight module as described in claim 1, which is characterized in that the reflector plate offers the second light hole, and described
Two light holes are aligned with first light hole.
4. backlight module as claimed in claim 3, which is characterized in that filled out in second light hole equipped with translucent material, institute
The light transmittance for stating translucent material is more than 90%.
5. backlight module as described in claim 1, which is characterized in that the lustre adding layer includes the first bright enhancement film and is stacked
In first bright enhancement film towards the second bright enhancement film of the diffusion barrier side, first bright enhancement film and second bright enhancement film
At least one of offer the third light hole being aligned with first light hole.
6. backlight module as claimed in claim 5, which is characterized in that it is filled out equipped with translucent material in the third light hole, it is described
The light transmittance of translucent material is more than 90%.
7. backlight module as described in claim 1, which is characterized in that lustre adding layer table corresponding with first light hole
Face is formed with multiple protrusions, and the multiple protrusion is arranged in array.
8. backlight module as described in claim 1, which is characterized in that the surface of the lustre adding layer is formed with multiple protrusions, described
Lustre adding layer adds lustre to area including the first area and second of adding lustre to, and the described first area of adding lustre to is aligned with first light hole, is located at described
First add lustre to area the protrusion density be more than be located at described second add lustre to area the protrusion density.
9. backlight module as claimed in claim 8, which is characterized in that add lustre to area towards described first in the described second area of adding lustre to
Direction on, the density of the protrusion for adding lustre to area positioned at described second gradually increases.
10. backlight module as described in claim 1, which is characterized in that the light guide plate is formed with the leaded light being arranged in array
Point, the light guide plate include the first light guide section and the second light guide section, and first light guide section is aligned with first light hole, position
It is more than the density of the light guiding points positioned at second light guide section in the density of the light guiding points of first light guide section.
11. backlight module as claimed in claim 10, which is characterized in that guide-lighting towards described first in second light guide section
On the direction in portion, the density positioned at the light guiding points of second light guide section gradually increases.
12. backlight module as described in claim 1, which is characterized in that the backlight module further include around the lustre adding layer,
The framework of the diffusion barrier, the light guide plate and the reflector plate, the lustre adding layer, the diffusion barrier, the light guide plate and institute
Reflector plate is stated to be fixedly connected with the framework.
13. backlight module as described in claim 1, which is characterized in that the backlight module further includes supporting rack, the support
Frame includes substrate and the side wall that extends from the substrate edges, and the side wall is surrounded by receiving space, the increasing with the substrate
Photosphere, the diffusion barrier, the light guide plate and the reflector plate are contained in the receiving space, and the substrate offers and institute
State the 4th light hole of the first light hole alignment.
14. backlight module as claimed in claim 13, which is characterized in that the 4th light hole is at least partly collecting post
State function element.
15. a kind of liquid crystal display die set, which is characterized in that including：
Claim 1-14 any one of them backlight modules；With
The liquid crystal display for deviating from the diffusion barrier side in the lustre adding layer is set.
16. a kind of electronic device, which is characterized in that including：
Backlight module, the backlight module include the lustre adding layer being cascading from top to bottom, diffusion barrier, light guide plate and reflection
Piece, the diffusion barrier offer the first light hole；With
Function element, the function element be arranged the reflector plate away from the light guide plate side and with first thang-kng
Hole is aligned, and the function element is used to emit beam to outside the backlight module by first light hole, and/or passes through institute
It states the first light hole and receives light incident outside the backlight module.
17. electronic device as claimed in claim 16, which is characterized in that the function element includes range sensor, camera shooting
At least one of module, light sensor and fingerprint sensor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810907448.XA CN108776413A (en) | 2018-08-10 | 2018-08-10 | Backlight module, liquid crystal display die set and electronic device |
| PCT/CN2019/090558 WO2020029677A1 (en) | 2018-08-10 | 2019-06-10 | Backlight module, liquid crystal display module and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810907448.XA CN108776413A (en) | 2018-08-10 | 2018-08-10 | Backlight module, liquid crystal display die set and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108776413A true CN108776413A (en) | 2018-11-09 |
Family
ID=64028604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810907448.XA Withdrawn CN108776413A (en) | 2018-08-10 | 2018-08-10 | Backlight module, liquid crystal display die set and electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108776413A (en) |
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| CN110346970A (en) * | 2019-06-18 | 2019-10-18 | 武汉华星光电技术有限公司 | Backlight module and display device |
| WO2020029677A1 (en) * | 2018-08-10 | 2020-02-13 | Oppo广东移动通信有限公司 | Backlight module, liquid crystal display module and electronic device |
| WO2020029676A1 (en) * | 2018-08-10 | 2020-02-13 | Oppo广东移动通信有限公司 | Backlight module, liquid crystal display module, and electronic device |
| WO2020029668A1 (en) * | 2018-08-10 | 2020-02-13 | Oppo广东移动通信有限公司 | Backlight module, liquid crystal display module, and electronic device |
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