CN208421473U - 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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- CN208421473U CN208421473U CN201821294896.9U CN201821294896U CN208421473U CN 208421473 U CN208421473 U CN 208421473U CN 201821294896 U CN201821294896 U CN 201821294896U CN 208421473 U CN208421473 U CN 208421473U
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- light hole
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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, reflector plate offers the first light hole, first light hole is configured as and reflector plate is arranged in is aligned away from the function element of light guide plate side, so that the light that function element issues is emitted to outside backlight module by the first light hole, and/or so that function element receives the light incident and by the first light hole 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, influence of the backlight module to function element can be reduced, allow function element preferably by the first light hole to the light for emitting beam or receiving outside backlight module outside backlight module, thus assurance function proper device operation.
Description
Technical field
This application involves field of display technology more particularly to a kind of backlight modules, liquid crystal display die set and electronic device.
Background technique
The electronic devices such as the mobile phone of large-size screen monitors accounting are increasingly by the favor of user.It is accounted for improve the screen of electronic device
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.
Utility model content
The application provides a kind of backlight module, 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 reflector plate 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 issues 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
Penetrate and pass through the light of first light hole.
The liquid crystal display die set of the application embodiment includes the backlight module of 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 successively layer
Lustre adding layer, diffusion barrier, light guide plate and the reflector plate of folded setting, the reflector plate offer the first light hole, the function element
The reflector plate is set away from the side of the light guide plate and is 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 by first light hole from the back
The outer incident light of optical mode group.
Backlight module, liquid crystal display die set and the electronic device of the application embodiment are mentioned by opening up the first light hole
The local transparent rate of high backlight module can reduce influence of the backlight module to function element, allow function element preferable
Ground by the first light hole to the light for emitting beam or receiving outside backlight module outside backlight module, thus assurance function device
Part works normally.
The additional aspect and advantage of the application will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or recognized by the practice of the application.
Detailed description of the invention
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, in which:
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 reflector plate of the application embodiment；
Fig. 7 is the stereoscopic schematic diagram of the reflector plate 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 decomposition diagram of the lustre adding layer of the application embodiment；
Figure 10 is the decomposition diagram of the lustre adding layer of another embodiment of the application；
Figure 11 is the decomposition diagram of the lustre adding layer of another embodiment of the application；
Figure 12 is the decomposition diagram of the backlight module of another embodiment of the application；
Figure 13 is the decomposition diagram of the backlight module of another embodiment of the application；
Figure 14 is the diagrammatic cross-section 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 another embodiment of the application；
Figure 17 is the decomposition diagram of the backlight module of another embodiment of the application；
Figure 18 is the stereoscopic schematic diagram of the diffusion barrier of the application embodiment；
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, the second light hole 124, translucent material 1242,
First bright enhancement film 126, the second bright enhancement film 128, protrusion 129, protrusion 129 ', support frame 13, substrate 132, the 4th light hole 1322,
Side wall 134, accommodating space 136, diffusion barrier 14, light diffusion region 142, third 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, echo area 182, the first light hole 184, light transmission material
Expect 1842, backlight 19, liquid crystal display die set 100, liquid crystal display 20, cover board 30, electronic device 1000, shell 200, function
Device 300.
Specific embodiment
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",
The orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
It states the application and simplifies description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction 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 to realize 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, reflector plate 18 offer the first light hole 184, the first light hole
184 are configured as and reflector plate 18 is arranged in is aligned away from the function element 300 of 16 side of light guide plate, so that function element 300
The light of sending is incident upon outside backlight module 10 by the first light hole 184, 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 184.
It is appreciated that the first light hole 184 is aligned with function element 300, the first light hole 184 can be in light guide plate 16
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 184
Light transmittance can reduce influence of the backlight module 10 to function element 300, allow function element 300 preferably by the
One light hole 184 is to the light for emitting beam or receiving outside backlight module 10 outside backlight module 10, thus assurance function device
Part 300 works normally.
Specifically, please see Fig. 2 to Fig. 4, the first light hole 184 can be located at any position of reflector plate 18, herein not
The position of first light hole 184 is defined.
In one example, the first light hole 184 is in the upper right corner of reflector plate 18, as shown in Figure 2；In another example
In, the first light hole 184 is in the lower left corner of reflector plate 18, as shown in Figure 3；In another example, in the first light hole 184
The heart is overlapped with the center of reflector plate 18, as shown in Figure 4.
In addition, the shape of the first light hole 184 can be circle, ellipse, square, rectangle, trapezoidal, irregular polygon
The arbitrary shapes such as shape are not defined the shape of the first light hole 184 herein.
In addition, please referring to fig. 4 to fig. 6, it also may include multiple that reflector plate 18, which may include first light hole 184,
First light hole 184 is not defined the quantity of the first light hole 184 herein.
In the example in fig. 4, reflector plate 18 includes 1 the first light hole 184；In the example of fig. 5, reflector plate 18 includes
3 the first light holes 184；In the example of fig. 6, reflector plate 18 includes 5 the first light holes 184.
Referring to Fig. 1, in some embodiments, reflector plate 18 further includes echo area 182, echo area 182 is located at first
The extension of light hole 184.
In this way, reflector plate 18 by echo area 182 can light play the role of reflection so that the light that loses originally
Again it is utilized.
Referring to Fig. 7, in some embodiments, translucent material 1842, light transmission material are filled in the first light hole 184
The light transmittance of material 1842 is greater than 90%.
In this way, making the light transmittance of the first light hole 184 greater than the light transmittance of echo area 182, so that function element 300 can
Preferably to pass through the first light hole 184 to the light for emitting beam or receiving outside backlight module 10 outside backlight module 10,
To which assurance function device 300 works normally.
It should be pointed out that translucent material 1842 can be selected according to different function elements 300.Such as echo area
182 material is polyethylene terephthalate (Polyethylene Terephthalate, PET), when the first light hole 184
Under function element 300 be light sensor when, translucent material 1842 can be organic glass (Polymethyl
Methacrylate, PMMA)；When the function element 300 under the first light hole 184 is infrared sensor, translucent material 1842
It can be IR ink.
Referring to Fig. 8, in some embodiments, lustre adding layer 12 offers the second light hole 124, the second light hole 124
It is aligned with the first light hole 184.
In this way, the light that the second light hole 124 issues function element 300 is emitted to back after passing through lustre adding layer 12
Outside optical mode group 10, and/or function element 300 can receive 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 the second light hole 124
Extension.
In this way, lustre adding layer 12 can be made through the light in area 122 of adding lustre to by area 122 of adding lustre to by multiple reflections and folding
It penetrates, to achieve the effect that enhance light intensity.
Fig. 9 to Figure 11 is please referred to, 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 second light hole 124.
In this way, it is logical selectively to open up second in the first bright enhancement film 126 and the second bright enhancement film 128 according to actual needs
Unthreaded hole 124.
It note that " at least one of the first bright enhancement film 126 and the second bright enhancement film 128 include the second light hole herein
124 " include three kinds of situations:
Only the first bright enhancement film 126 includes the second light hole 124, as shown in Figure 9；
Only the second bright enhancement film 128 includes the second light hole 124, as shown in Figure 10；
First bright enhancement film 126 and the second bright enhancement film 128 include the second light hole 124, and on the first bright enhancement film 126
Second light hole 124 is aligned with the second light hole 124 on the second bright enhancement film 128, as shown in figure 11.
Figure 12 is please referred to, in some embodiments, is filled out in the second light hole 124 equipped with translucent material 1242, light transmission material
The light transmittance of material 1242 is greater than 90%.
In this way, being conducive to increase the light transmittance of the second light hole 124, allow function element 300 preferably by the
Two light holes 124 are to the light for emitting beam or receiving outside backlight module 10 outside backlight module 10, thus assurance function device
Part 300 works normally.
Figure 13 to Figure 14 is please referred to, in some embodiments, the surface shape corresponding with the first light hole 124 of lustre adding layer 12
At thering are multiple raised 129, multiple raised 129 to be arranged in array.
It is appreciated that needing to make light as much as possible along lustre adding layer 12 to make light enter human eye as much as possible
Thickness direction outgoing.However, having the exit direction and lustre adding layer of a certain proportion of light when light is emitted from lustre adding layer 12
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 biggish 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, adjustment is from the direction that lustre adding layer 12 is emitted, so that light edge as much as possible is added lustre to
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.
Figure 15 to Figure 16 is please referred to, in some embodiments, 12 surface of bright enhancement film is formed with multiple raised 129 ', adds lustre to
Floor 12 includes that the first area 121 and second of adding lustre to adds lustre to area 122, and the first area 121 of adding lustre to is aligned with the first light hole 184, positioned at the
One add lustre to area 121 protrusion 129 ' density be greater 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 184.
It is appreciated that area 122 is higher even if the light transmittance of 184 band of position of the first light hole adds lustre to than second, but by
Lack catoptric arrangement in the first light hole 184, user is easy to think that 184 band of position of the first light hole increases than second in observation
Light area 122 is darker, so that user experience is poor.And the first density of protrusion 129 ' for adding lustre to area 121 is greater than to be located at and second adds lustre to
The density of the protrusion 129 ' in area 122, can increase by first add lustre to area 121 the thickness direction of lustre adding layer 12 guide-lighting amount, thus
Increase the amount of light of liquid crystal display die set 100 and 184 corresponding region of the first light hole, and then the first light hole 184 can be compensated
It is dimmed, advantageously reduce the discomfort of 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 is gradually increased.
In this way, second area 122 of adding lustre to gradually brightens, so that user exists on the direction for adding lustre to area 121 towards first
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 184, liquid crystal display die set 100 is to the brightness shown from center to surrounding
Transition change, to reduce the display difference of liquid crystal display die set 100.
Figure 17 is please referred to, in some embodiments, diffusion barrier 14 offers third light hole 144, third light hole 144
It is aligned with the first light hole 184.
In this way, third light hole 144 can decrease or even eliminate the light by diffusion barrier 14 in the loss of diffusion barrier 14,
To further increase the transmitance of the light by the first light hole 184.
In some embodiments, diffusion barrier 14 further includes light diffusion region 142, and light diffusion region 142 is located at third light hole
144 extension.
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.
Figure 18 is please referred to, in some embodiments, translucent material 1442, light transmission are filled in third light hole 144
The light transmittance of material 1442 is greater than 90%.
In this way, being conducive to increase the light transmittance of third light hole 144, allow function element 300 preferably by the
Three light holes 144 are to the light for emitting beam or receiving outside backlight module 10 outside backlight module 10, thus assurance function device
Part 300 works normally.
Figure 19 and Figure 20 are please referred to, 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 184 are right
Together, the density of the light guiding points 162 positioned at the second light guide section 166 is greater than positioned at the density of the light guiding points 162 of the first light guide section 164.
In this way, the set-up mode of light guiding points 162 can compensate due to the light transmittance of the first light hole 184 is higher and generate
Vision difference.
Even if being appreciated that the light transmittance of the first light hole 184 is higher than echo area 182, but due to the first light hole
184 lack catoptric arrangement, and user is easy to think that the first light hole 184 is more darker than echo area 182 in observation, so that user experience
It is poor.And the density of the light guiding points 162 of the first light guide section 164 is greater than the density of the light guiding points 162 positioned at the second light guide section 166,
Can increase in this way the first light guide section 164 the guide-lighting amount of 16 thickness direction of light guide plate to increase liquid crystal display die set 100 with
The amount of light of first light hole, 184 corresponding region, and then the dimmed of the first light hole 184 can be compensated, advantageously reduce user
Discomfort 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, it is also possible to irregular；Light guide plate 16 may include one
The light guiding points 162 of kind shape, also may 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 surfaces of tabula rasa 16 are 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 is gradually increased.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, second light guide section 166 gradually brightens on direction A of second light guide section 166 towards the first light guide section 164,
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, so that it is guaranteed that
The smooth excessiveness of 162 density of light guiding points, avoids light guide plate at the boundary line position of second light guide section 166 and the first light guide section 164
16 transfer out the backlight come is mutated at the boundary line position of the first light guide section 164 and 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 184 of mould group 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, light source is provided 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 and Figure 24 are 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
Solidification is to form glue frame.
Figure 25 and Figure 26 are please referred to, in some embodiments, backlight module 10 further includes support frame 13, and support frame 13 wraps
The side wall 134 that substrate 132 and 132 edge of self-reference substrate extend is included, side wall 134 and substrate 132 are surrounded by accommodating space 136, add lustre to
Layer 12, diffusion barrier 14, light guide plate 16 and reflector plate 18 are contained in accommodating space 136, and substrate 132 offers and the first light hole
4th light hole 1322 of 184 alignment.
In this way, the reliability of backlight module 10 can be improved while assurance function device 300 works normally.It can manage
The intensity of backlight module 10 can be improved in solution, support frame 13, to protect backlight module 10 when by foreign impacts.
Specifically, support frame 13 can be made of iron.In actual production process, glue or adhesive tape can be used
Lustre adding layer 12, diffusion barrier 14, light guide plate 16 and reflector plate 18 are fixed in accommodating 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 27,28, in the example of Figure 27, and function
The size of energy device 300 is roughly the same with the size of the 4th light hole 1322, in the example of Figure 28, the ruler of function element 300
The very little size less than the 4th light hole 1322；
Function element 300 is positioned partially in the 4th light hole 1322, as shown in figure 29.
Fig. 1 and Figure 30 are please referred to, 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 lustre adding layer 12 is arranged in.
The liquid crystal display die set 100 of the application embodiment improves backlight module 10 by opening up the first light hole 184
Local transparent rate, influence of the backlight module 10 to function element 300 can be reduced, allow function element 300 preferably
By light of first light hole 184 to outside emitting beam or receive outside backlight module 10, thus assurance function device 300
It 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 can be made of the biggish material of hardness, 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 184 of liquid crystal display die set 100 is greater than
30%, so that the light that function element 300 issues can be emitted to outside liquid crystal display die set 100 through 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, it can also refer to the transmitance to infrared light.?
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 greater than 30%.
Fig. 1, Figure 32 and Figure 33 are please referred to, the electronic device 1000 of the application embodiment is including 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 184
Portion's light transmittance can reduce influence of the backlight module 10 to function element 300, function element 300 is preferably passed through
First light hole 184 is to the light for emitting beam or receiving outside backlight module 10 outside backlight module 10, thus 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 1000 such as group 100.More specifically, shell 200 can be the rear cover of electronic device 1000,
The components such as its battery for accommodating electronic device 1000.
It note that electronic device 1000 includes but is 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, reflector plate 18 offers the first light hole
184.Function element 300 is arranged in reflector plate 18 away from the side of light guide plate 16 and is aligned with the first light hole 184, function element
300 emit beam for passing through the first light hole 184 to outside backlight module 10, and/or are received by the first light hole 184 from back
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 184
Portion's light transmittance can reduce influence of the backlight module 10 to function element 300, function element 300 is preferably passed through
First light hole 184 is to the light for emitting beam or receiving outside backlight module 10 outside backlight module 10, thus 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 passes through the first light hole 184 to liquid crystal display die set
It emits beam outside 100 and the reflected light of object is received by the first light hole 184, 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 184
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 184
Light outside 100, to obtain external image.
When function element 300 is fingerprint sensor, function element 300 passes through the first light hole 184 to liquid crystal display die set
It emits beam outside 100, and the reflected light of finger is received by the first light hole 184, so as to detect finger print information.
It is appreciated that function element 300 quantity be it is multiple when, the quantity of corresponding first light hole 184 be also it is multiple,
And multiple first light holes 184 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:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principle and objective of the application and become
Type, scope of the present application are defined by the claims and their equivalents.
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 reflector plate offer the first light hole, and first light hole is configured as
It is aligned with function element of the reflector plate away from the light guide plate side is arranged in, so that the light that the function element issues
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 it fills out in first light hole equipped with translucent material, it is described
The light transmittance of translucent material is greater than 90%.
3. 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 second light hole.
4. backlight module as claimed in claim 3, which is characterized in that it fills out in second light hole equipped with translucent material, it is described
The light transmittance of translucent material is greater than 90%.
5. 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.
6. 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 includes that the first area and second of adding lustre to adds lustre to area, and the described first area of adding lustre to is aligned with first light hole, be located at described in
First add lustre to area the protrusion density be greater than be located at described second add lustre to area the protrusion density.
7. backlight module as claimed in claim 6, which is characterized in that add lustre to area in the described second area of adding lustre to towards described first
Direction on, the density of the protrusion for adding lustre to area positioned at described second is gradually increased.
8. backlight module as claimed in claim 2, which is characterized in that the diffusion barrier offers third light hole, and described
Three light holes are aligned with first light hole.
9. backlight module as claimed in claim 8, which is characterized in that filled out in the third light hole equipped with translucent material, institute
The light transmittance for stating translucent material is greater than 90%.
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 greater 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 is gradually increased.
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 support frame, the support
Frame includes substrate and the side wall from substrate edges extension, and the side wall and the substrate are surrounded by accommodating space, the increasing
Photosphere, the diffusion barrier, the light guide plate and the reflector plate are contained in the accommodating 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 characterized by comprising
The described in any item backlight modules of claim 1-14；With
The liquid crystal display that the lustre adding layer deviates from the diffusion barrier side is set.
16. a kind of electronic device characterized by comprising
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 reflector plate offer the first light hole；With
Function element, the function element be arranged in the reflector plate away from the light guide plate side and with first light passing
Hole alignment, the function element is used to emit beam by first light hole to outside the backlight module, 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 mould group, light sensor and fingerprint sensor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821294896.9U CN208421473U (en) | 2018-08-10 | 2018-08-10 | Backlight module, liquid crystal display die set and electronic device |
| PCT/CN2019/089814 WO2020029668A1 (en) | 2018-08-10 | 2019-06-03 | Backlight module, liquid crystal display module, and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821294896.9U CN208421473U (en) | 2018-08-10 | 2018-08-10 | Backlight module, liquid crystal display die set and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208421473U true CN208421473U (en) | 2019-01-22 |
Family
ID=65121820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821294896.9U Expired - Fee Related CN208421473U (en) | 2018-08-10 | 2018-08-10 | Backlight module, liquid crystal display die set and electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208421473U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761923A (en) * | 2018-08-10 | 2018-11-06 | Oppo广东移动通信有限公司 | Backlight module, liquid crystal display die set and electronic device |
| 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 |
| 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 |
-
2018
- 2018-08-10 CN CN201821294896.9U patent/CN208421473U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761923A (en) * | 2018-08-10 | 2018-11-06 | Oppo广东移动通信有限公司 | Backlight module, liquid crystal display die set 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 |
| 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 |
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Granted publication date: 20190122 |