CN108196400A - Backlight module, display device and electronic equipment - Google Patents
Backlight module, display device and electronic equipment Download PDFInfo
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- CN108196400A CN108196400A CN201810110872.1A CN201810110872A CN108196400A CN 108196400 A CN108196400 A CN 108196400A CN 201810110872 A CN201810110872 A CN 201810110872A CN 108196400 A CN108196400 A CN 108196400A
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- light
- backlight module
- plate
- face
- absorption layer
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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
-
- 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
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side 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
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
Abstract
This application provides a kind of backlight module, display device and electronic equipment.The backlight module includes light guide plate, light source and the first light-absorption layer, the light guide plate includes first surface, second surface and incidence surface, the first surface is oppositely arranged with the second surface, the incidence surface is connected between the first surface and the second surface, the light source is used to emit beam, and the light source is set adjacent to the incidence surface, first light-absorption layer is set to the region of the close incidence surface of the first surface, to absorb at least part light being incident on first light-absorption layer.
Description
Technical field
This application involves electronic device field more particularly to a kind of backlight module, display device and electronic equipment.
Background technology
Liquid crystal display device is favored due to the advantages that small, low in energy consumption by user.Lead in liquid crystal display device
Often include the backlight module and the display module that are stacked, backlight module is used to provide backlight for the display module, described aobvious
Show module for showing the information such as image, word or video.Backlight module is brighter in the region by close to sources, far from light
It weighs than dark so as to cause the brightness disproportionation of entire backlight module so that the liquid crystal display device was applied in the region in source
The poor display effect of liquid crystal display device.
Invention content
This application provides a kind of backlight module, the backlight module includes light guide plate, light source and the first light-absorption layer, described
Light guide plate includes first surface, second surface and incidence surface, and the first surface is oppositely arranged with the second surface, it is described enter
Smooth surface is connected between the first surface and the second surface, and the light source is used to emit beam, and the light source is neighbouring
The incidence surface setting, first light-absorption layer is set to the region of the close incidence surface of the first surface, to absorb
At least part light being incident on first light-absorption layer.
Present invention also provides a kind of display device, the display device includes backlight module, and the display device is also wrapped
The display module for the light-emitting surface side for being arranged on the light guide plate is included, the display module includes viewing area and non-display area, institute
It states non-display area and at least covers the light source and first light-absorption layer.
Present invention also provides a kind of electronic equipment, the electronic equipment includes display device, and the electronic equipment also wraps
It includes and mutually covers the back-cover of conjunction and the mainboard being fixed between the backlight module and the back-cover, the display with the display module
Module and the light source are electrically connected the mainboard.
Compared to the prior art, the backlight module of the application enters light by the first surface in the light guide plate described in
The region in face sets the first light-absorption layer, to absorb at least part light being incident on first light-absorption layer, so that described the
One surface brightness deterioration at the light source so that the brightness uniformity of the light-emitting surface of the light guide plate improves the leaded light
The uniformity of the brightness of the light of the light-emitting surface outgoing of plate.
Description of the drawings
It, below will be to needed in embodiment in order to illustrate more clearly of the technical solution of the embodiment of the present application
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the application, general for this field
For logical technical staff, without creative efforts, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram of backlight module that the application first embodiment provides.
Fig. 2 is the structure diagram of backlight module that the application second embodiment provides.
Fig. 3 is the structure diagram of backlight module that the application third embodiment provides.
Fig. 4 is the structure diagram of backlight module that the 4th embodiment of the application provides.
Fig. 5 is the structure diagram of backlight module that the 5th embodiment of the application provides.
Fig. 6 is the structure diagram of backlight module that the application sixth embodiment provides.
Fig. 7 is the structure diagram of backlight module that the 7th embodiment of the application provides.
Fig. 8 is the structure diagram of backlight module that the 8th embodiment of the application provides.
Fig. 9 is the structure diagram of backlight module that the 9th embodiment of the application provides.
Figure 10 is the structure diagram of backlight module that the tenth embodiment of the application provides.
Figure 11 is the structure diagram of the display device of the application.
Figure 12 is the cross-sectional view along I-I lines of Figure 11.
Figure 13 is the structure diagram of electronic equipment that the application provides.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, the technical solution in the embodiment of the present application is carried out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, those of ordinary skill in the art are obtained every other under the premise of not making the creative labor
Embodiment shall fall in the protection scope of this application.
It is to be appreciated that in the description of presently filed embodiment, term " " center ", " longitudinal direction ", " transverse direction ", " length
Degree ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ",
The orientation or position relationship of the instructions such as " outer ", " clockwise ", " counterclockwise " are based on orientation shown in the drawings or position relationship, only
It is that presently filed embodiment and the device or element that simplify description rather than instruction or hint meaning are necessary for ease of description
With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to presently filed embodiment.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance or implicit
Indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or impliedly wrap
Include one or more feature.In the description of presently filed embodiment, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
Referring to Fig. 1, Fig. 1 is the structure diagram of backlight module that the application first embodiment provides.It is appreciated that
, applied in electronic equipment, the display module of the light guide plate 110 and electronic equipment is laminated the backlight module 100, is
Display module provides backlight so that display module can show image frame.The electronic equipment is included but are not limited to as intelligence
It can mobile phone, internet device (mobile internet device, MID), e-book, portable broadcast station (Play
Station Portable, PSP) or the equipment such as personal digital assistant (Personal Digital Assistant, PDA).
In present embodiment, the backlight module 100 includes light guide plate 110,120 and first light-absorption layer 130 of light source.The light guide plate
110 include first surface 110a, second surface 110b and incidence surface 110c.The first surface 110a and the second surface
110b is oppositely arranged, and the incidence surface 110c is connected between the first surface 110a and the second surface 110b.It is described
Light source 120 is used to emit beam, and the light source 120 is set adjacent to the incidence surface 110c.First light-absorption layer 130 is set
In the first surface 110a close to the region of the incidence surface 110c, it is incident on first light-absorption layer 130 with absorbing
At least part light.
First extinction is set close to the region of the incidence surface 110c by the first surface 110a in the light guide plate 110
Layer 130, to absorb at least part light being incident on first light-absorption layer 130, so that the first surface 110a is close
Brightness deterioration at the light source 120 so that the brightness uniformity of the light-emitting surface of the light guide plate 110 improves the light guide plate 110
Light-emitting surface outgoing light brightness uniformity.
The first surface 110a of the light guide plate 110 can be the light-emitting surface of the light guide plate 110 or second table
Face 110b is the light-emitting surface of the light guide plate 110.In the present embodiment, the light guide plate 110 be rectangle plate, described first
The parallel second surface 110b of surface 110a.The incidence surface 110c is set to one end of 110 length direction of light guide plate.
The substantially vertical first surface 110a and second surface 110b of incidence surface 110c.The light source 120 is strip light
Source 120, the length of the light source 120 are equal or approximately equal to the edge of the second surface 110b connections incidence surface 110c
Length.The parallel or substantially parallel second surface 110b connections incidence surface 110c's of extending direction of the light source 120
Edge.First light-absorption layer 130 is generally rectangular shaped, the substantially parallel light source of length direction of first light-absorption layer 130
120 length direction.Certainly, in other embodiments, the incidence surface 110c can also be set to the light guide plate 110 and grow
The both ends in direction are spent, the backlight module 100 includes the light at two length direction both ends for being individually fixed in the light guide plate 110
Source 120.The incidence surface 110c can also be disposed on the width direction one or both ends of the light guide plate 110, the backlight
Module 100 fixes the light source 120 in the one or both ends of 110 width direction of light guide plate.In other embodiments, institute
Light guide plate 110 or wedge shape are stated, the spacing between the first surface 110a and the second surface 110b enters described in
One end where smooth surface 110c gradually increases to one end far from the incidence surface 110c.In other embodiments, it is described to lead
Tabula rasa 110 or wedge shape, spacing between the first surface 110a and the second surface 110b is from the incidence surface
One end where 110c is gradually reduced to one end far from the incidence surface 110c.
In present embodiment, the first surface 110a and second surface 110b are respectively provided with close to the anti-of the light source 120
Light area 14 and the transmission region 15 far from the light source 120.If it is understood that the light guide plate 110 is in the reflective areas
14 without being bonded first light-absorption layer 130.The some light that the light source 120 is sent out conduct to the first surface 110a and
The second surface 110b corresponds to the reflective areas 14 and forms total reflection, and reflexes to the transmission region 15 adjacent to described reflective
At area 14, and then transmitted away through the transmission region 15.The some light that the light source 120 is sent out is conducted to first table
The transparent area of face 110a and the second surface 110b can directly be transmitted through the external world.The light that i.e. described light source 120 is sent out exists
The transparent area can generate overlapping at the reflective areas 14, cause the transmission region 15 bright at the reflective areas 14
Degree increases.And first light-absorption layer 130 is bonded in the reflective areas 14 of the light guide plate 110, first light-absorption layer 130 absorbs
The light that the light source 120 is sent out so that the light that the light that the light source 120 is sent out is irradiated to the reflective areas 14 is described
First light-absorption layer 130 absorbs.The transmission region 15 will not generate transmitted ray superposition at the neighbouring reflective areas 14, realize
The light guide plate 110 is arranged in the transmitted ray luminance proportion of the transmission region 15, improves the light transmission of the light guide plate 110
The uniformity of the brightness for the light that region 15 is emitted.
First light-absorption layer 130 is set to being wrapped close to the region of the incidence surface 110c for the first surface 110a
It includes:First light-absorption layer 130 is concordant with the incidence surface 110c close to the end face of the incidence surface 110c.
Alternatively, first light-absorption layer 130 is deposited between the end face of the incidence surface 110c and the incidence surface 110c
In gap area, referring to Fig. 2, Fig. 2 is the structure diagram of backlight module that the application second embodiment provides.
Further, referring to Fig. 3, Fig. 3 is the structure diagram of backlight module that the application third embodiment provides.
With reference to aforementioned each embodiment, the backlight module 100 further includes the second light-absorption layer 140, and second light-absorption layer 140 is set
In the second surface 110b, and second light-absorption layer 140 be located at the second surface 110b and close to the incidence surface
The region of 110c, to absorb at least part light being incident on second light-absorption layer 140.It is to be appreciated that in figure 3 with
First light-absorption layer 130 close to the end face of the incidence surface 110c it is concordant with the incidence surface 110c for illustrated.
In the present embodiment, the backlight module 100 sets the first light-absorption layer 130 in the reflective of the first surface 110a
In area 14 and the second light-absorption layer 140 of setting is adhered in the retroreflective regions of the second surface 110b.The light source 120 is sent out
The light gone out is incident through the incidence surface 110c and conducts to the reflective areas 14 of the first surface 110a, by first extinction
Layer 130 is absorbed.The light that the light source 120 is sent out is incident through the incidence surface 110c and conducts to the second surface 110b
Reflective areas 14, absorbed by second light-absorption layer 140.
In another embodiment, first light-absorption layer 130 is only arranged at the reflective areas 14 of the first surface 110a.
The light that the light source 120 is sent out is incident through the incidence surface 110c and conducts to the reflective areas 14 of the first surface 110a,
It is absorbed by first light-absorption layer 130.The light that the light source 120 is sent out is incident through the incidence surface 110c and conducts to institute
The reflective areas 14 of second surface 110b is stated, largely reflexes to the reflective areas 14 of the first surface 110a, is inhaled by described first
Absorption described in photosphere 130.The light fewer parts that the light source 120 is sent out reflexes to the transmission region 15.The light guide plate
110 light luminances being superimposed at the reflective areas 14 in the transmission region 15 weaken, 15 transmitted light of transmission region
Line brightness tends to balanced arrangement.
In another embodiment, first light-absorption layer 130 is only arranged at the reflective areas 14 of the second surface 110b.
The light that the light source 120 is sent out is incident through the incidence surface 110c and conducts to the reflective areas 14 of the first surface 110a,
Major part reflexes to the reflective areas 14 of the second surface 110b, is absorbed by first light-absorption layer 130.The light source 120 is sent out
The light fewer parts gone out reflexes to the transmission region 15.The light that the light source 120 is sent out enters through the incidence surface 110c
It penetrates and conducts to the reflective areas 14 of the second surface 110b, the absorption described in first light-absorption layer 130.The light guide plate
110 light luminances being superimposed at the reflective areas 14 in the transmission region 15 weaken, 15 transmitted light of transmission region
Line brightness tends to balanced arrangement.
In the present embodiment, first light-absorption layer 130 is black ink layer, and second light-absorption layer 140 is black
Ink layer.In one embodiment, the black ink layer is by the first surface 110a and the second surface
The upper coating printing ink materials of 110b are formed.In another embodiment, the black ink layer is is set to the first surface
110a is upper and the second surface 110b on black ink film.
It is to be appreciated that when the backlight module 100 only includes the first light-absorption layer 130, first extinction
Layer 130 can be by the first surface 110a coating printing ink material formed;Alternatively, first light-absorption layer 130
It can be the black ink film being arranged on the first surface 110a.Specifically, it is wrapped simultaneously when in the backlight module 100
When including the first light-absorption layer 130 and the second light-absorption layer 140, first light-absorption layer 130 is by the first surface
The upper coating printing ink materials of 110a are formed, and second light-absorption layer 140 is passes through the coating printing ink material on the second surface 110b
Material is formed;Alternatively, first light-absorption layer 130 be by the first surface 110a coating printing ink material formed, it is described
Second light-absorption layer 140 is the black ink film being arranged on the second surface 110b;Alternatively, first light-absorption layer 130
For the black ink film being arranged on the first surface 110a, second light-absorption layer 140 is by second table
Coating printing ink material is formed on the 110b of face;Alternatively, first light-absorption layer 130 is is arranged on the first surface 110a
Black ink film, second light-absorption layer 140 is the black ink film being arranged on the second surface 110b.
In other embodiments, at least one layer of in first light-absorption layer 130 or second light-absorption layer 140 inhales
Photosphere is extinction glue.
In the present embodiment, second light-absorption layer 140 and first light-absorption layer 130 are about the light guide plate 110
It is symmetrical arranged.
It is to be appreciated that second light-absorption layer 140 is non-right about the light guide plate 110 with first light-absorption layer 130
Claim setting.Referring to Fig. 4, Fig. 4 is the structure diagram of backlight module that the 4th embodiment of the application provides.Specifically, institute
Stating the second light-absorption layer 140 and situation of first light-absorption layer 130 about the 110 asymmetric setting of light guide plate can include,
The size of first light-absorption layer 130 and second light-absorption layer 140 is unequal.First light-absorption layer 130 and described second
The unequal size that can include but are not limited to first light-absorption layer 130 of the size of light-absorption layer 140 is less than described second and inhales
The size of photosphere 140;Alternatively, the size of first light-absorption layer 130 is more than the size of second light-absorption layer 140.Citing and
Speech, first light-absorption layer 130 and size of second light-absorption layer 140 on 110 extending direction of light guide plate are unequal.
Specifically, size of first light-absorption layer 130 on 110 extending direction of light guide plate is less than second light-absorption layer 140
Size on 110 extending direction of light guide plate;Alternatively, first light-absorption layer 130 is in 110 extending direction of light guide plate
On size be more than size of second light-absorption layer 140 on 110 extending direction of light guide plate.Institute is illustrated in Fig. 4
Size of first light-absorption layer 130 on 110 extending direction of light guide plate is stated less than second light-absorption layer 140 in the leaded light
Size on 110 extending direction of plate.Second light-absorption layer 140 is non-about the light guide plate 110 with first light-absorption layer 130
Symmetrically arranged situation can also include first light-absorption layer 130 and second light-absorption layer 140 on the light guide plate 110
Projection not exclusively overlap or completely it is misaligned.
With reference to above-mentioned each embodiment, first light-absorption layer 130 is to the extinction efficiency of light from first extinction
Layer 130 is gradual to the one end of first light-absorption layer 130 far from the incidence surface 110c adjacent to one end of the incidence surface 110c
It reduces.Since the light source 120 is arranged on the side of the incidence surface 110c, the light that the light source 120 is sent out enters described in
Smooth surface 110c enters the light guide plate 110, and the brightness of the light guide plate 110 is from one end of the neighbouring incidence surface 110c to separate
One end of the incidence surface 110c continuously decreases.Therefore, the extinction efficiency of first light-absorption layer 130 is set as from described
One light-absorption layer 130 is adjacent to one end of the incidence surface 110c to one of first light-absorption layer 130 far from the incidence surface 110c
End continuously decreases, so as to improve the uniformity of the brightness of the light of the light-emitting surface of the light guide plate 110 outgoing.When the backlight
When module 100 further includes the second light-absorption layer 140, second light-absorption layer 140 is to the absorption efficiency of light from described second
Light-absorption layer 140 is adjacent to one end of the incidence surface 110c to the one end of second light-absorption layer 140 far from the incidence surface 110c
It continuously decreases.
With reference to above each embodiment, the backlight module 100 further includes reflector plate 150, and the reflector plate 150 is set
Side where the first surface 110a of the light guide plate 110, the second surface 110b form the light extraction of light guide plate 110
Face, the reflector plate 150 are used at least part light being emitted from the first surface 110a of the light guide plate 110 being reflected back institute
State light guide plate 110.The side that the reflector plate 150 is arranged on where the first surface 110a of the light guide plate 110 includes described
Reflector plate 150 is attached directly to the first surface 110a of the light guide plate 110, also including the reflector plate 150 and the leaded light
There are spacing between the first surface 110a of plate 110.The light guide plate 110 is attached directly to the reflector plate 150 in Figure 5
First surface 110a for illustrate.Referring to Fig. 5, Fig. 5 is the backlight module that the 5th embodiment of the application provides
Structure diagram.In the present embodiment, with the backlight module 100 simultaneously including the first light-absorption layer 130 and the second light-absorption layer
140, and first light-absorption layer 130 and second light-absorption layer 140 be symmetrical arranged about the light guide plate 110 for said
It is bright.It is to be appreciated that the backlight module 100 can also be with aforementioned arbitrary embodiment introduction including the reflector plate 150
Other components in backlight module 100 are combined.In the present embodiment, the reflector plate 150 includes third surface
150a and first end face 150b, the third surface 150a are the reflector plate 150 adjacent to the surface of the light guide plate 110, institute
It is the end face that the reflector plate 150 faces the light source 120 to state first end face 150b, and the first end face 150b and described the
Three surface 150a intersect, and the first end face 150b is concordant with end face of first light-absorption layer 130 far from the light source 120,
Or the first end face 150b is located at first light-absorption layer 130 adjacent to the end face of the light source 120 and first extinction
Between 130 end face far from the light source 120 of layer.
Since first light-absorption layer 130 is set to the area of the close incidence surface 110c of the first surface 110a
Domain, first light-absorption layer 130 can absorb at least part light being incident on first light-absorption layer 130, therefore, described
The region that light guide plate 110 corresponds to first light-absorption layer 130 need not set reflector plate 150.By the reflection in present embodiment
The first end face 150b of piece 150 is set as concordant with end face of first light-absorption layer 130 far from the light source 120, alternatively, will
The first end face 150b is set to first light-absorption layer 130 adjacent to the end face of the light source 120 and first light-absorption layer
Between 130 end faces far from the light source 120;First end face 150b and the light guide plate 110 compared to the reflector plate 150
Incidence surface 110c is concordant or what first end face 150b compared to the reflector plate 150 was located at the light guide plate 110 enters light
For situations such as between face 110c and the light source 120, by this set of present embodiment, the reflector plate can be reduced
150 size, so as to save cost.And by this set of present embodiment, it can cause the of the reflector plate 150
Gap area is formed between end face 150b and the first surface 110a of the light guide plate 110, the gap area can be set
Other components (for example, part-structure of flexible PCB or flexible PCB) of the backlight module 100, so as to improve
The integrated level of the backlight module 100.
Further, the reflector plate 150 enters the reflectivity of light being emitted from the light guide plate 110 from described in
One end of smooth surface 110c gradually increases to one end far from the incidence surface 110c.Enter described in the light source 120 is arranged on
The side of smooth surface 110c, the light that the light source 120 is sent out enters the light guide plate 110 from the incidence surface 110c, described to lead
The brightness of tabula rasa 110 is continuously decreased from one end of the neighbouring incidence surface 110c to one end far from the incidence surface 110c.Cause
This, the reflectivity of light that the reflector plate 150 is emitted the light guide plate 110 is set as from the neighbouring incidence surface 110c
One end gradually increase to far from one end of the incidence surface 110c, the reflector plate 150 can be caused to from the light guide plate
The light of 110 first surface 110a outgoing is reflected into the degree of reflection difference inside the light guide plate 110, specifically, described
Reflector plate 150 is relatively low adjacent to the reflectivity of light of the one end of the incidence surface 110c to being emitted from the first surface 110a,
The one end of the reflector plate 150 far from the incidence surface 110c to the reflectivity of light that is emitted from the first surface 110a compared with
Height, so as to improve the uniformity of the brightness of the light of the light-emitting surface of the light guide plate 110 outgoing.
Further, with reference to above-mentioned each embodiment, the backlight module 100 includes at least one layer of optical film layer 160.
Referring to Fig. 6, Fig. 6 is the structure diagram of backlight module that the application sixth embodiment provides.The optical film layer 160 is set
It puts in the side where the second surface 110b of the light guide plate 110, the optical film layer 160 is used for will be from the light guide plate
The direction outgoing of the light-emitting surface of the light guide plate 110 is directed away from after the equalizing light rays of 110 light-emitting surface outgoing.The light
It learns the side where film layer 160 is arranged on the second surface 110b of the light guide plate 110 and includes the optical film layer 160 directly patch
The second surface 110b of the light guide plate 110 is invested, the of the optical film layer 160 and the light guide plate 110 can also be included
There is a situation where pre-determined distance between two surface 110b.Second table is attached directly to the optical film layer 160 in figure 6
It is illustrated for the 110b of face.
Specifically, the optical film layer 160 includes the 4th surface 160a and second end face 160b, the 4th surface
160a is the optical film layer 160 adjacent to the surface of the light guide plate 110, and the second end face 160b is the optical film layer
160 face the end face of the light source 120, and the second end face 160b intersects with the 4th surface 160a.The second end
Face 160b is concordant with end face of first light-absorption layer 130 far from the light source 120;Alternatively, the second end face 160b is located at
First light-absorption layer 130 is adjacent to the end face of the light source 120 and end of first light-absorption layer 130 far from the light source 120
Between face;Wherein, the optical film layer 160 includes at least one layer of anti-reflection film or at least one layer of diffusion barrier 161 or at least
The arbitrary combination of one layer of anti-reflection film and at least one layer of diffusion barrier 161.In the present embodiment, the optical film layer 160 include according to
The secondary diffusion barrier 161 being stacked, the first anti-reflection film 162 and the second anti-reflection film 163.The diffusion barrier 161 is compared to described
One anti-reflection film 162 and second anti-reflection film 163 are set adjacent to the light-emitting surface.The anti-reflection film is also brightness enhancement film or increment
Piece or anti-reflection sheet, the anti-reflection film increase for reducing the reflectivity to the light being emitted from the light guide plate 110 to self-conductance
The transmissivity for the light that tabula rasa 110 is emitted.The diffusion barrier 161 is also diffusion sheet, for that will be incident to the diffusion barrier 161
Light is by reflecting and reflecting atomization, by the equalizing light rays.
In the present embodiment, the backlight module 100 further includes light shield layer 170.The light shield layer 170 is arranged on described
The side of the light-emitting surface of light guide plate 110, the light shield layer 170 are used for the light for preventing the light source 120 from sending out and go out described in
Side light leakage where smooth surface, projection of first light-absorption layer 130 on the light shield layer 170 are fallen in the light shield layer 170
It is interior.In the present embodiment, light-emitting surfaces of the second surface 110b as the light guide plate 110.
With reference to the backlight module of above-mentioned each embodiment introduction, in the present embodiment, the light source 120 includes printing
Circuit board 121 and multiple luminescence chips 122.The printed circuit board 121 includes the first connection in face of the incidence surface 110c
Face 121a, the luminescence chip 122 is set to the first joint face 121a, and the luminescence chip 122 is used for described in
Incidence surface 110c emits beam.Referring to Fig. 7, Fig. 7 is the structural representation of backlight module that the 7th embodiment of the application provides
Figure.Other devices in backlight module shown in fig. 7 are illustrated by taking the backlight module shown in Fig. 6 as an example.
Further, the centre of luminescence of all luminescence chips 122 is point-blank.By by the luminous core having
The centre of luminescence of piece 122 is arranged on the light for the incidence surface 110c that can ensure to be incident on the light guide plate 110 on same straight line
Line is relatively uniform, so as to improve the uniformity of the light of the light-emitting surface outgoing from the light guide plate 110.
Further, the printed circuit board 121 further includes second joint face opposite with the first joint face 121a
121b, the backlight module 100 further include flexible PCB 180, and the flexible PCB 180 is used for and 120 electricity of light source
Connection controls signal that the light source 120 is controlled to be turned on or off for providing.Specifically, the flexible PCB 180 with
The second joint face 121b is connected, and 180 part of the flexible PCB and 110a layers of the first surface of the light guide plate 110
Folded setting.
Specifically, the flexible PCB 180 includes bending the first connecting portion 181 and second connecting portion of connection successively
182, the first connecting portion 181 is connected to the second joint face 121b, and the second connecting portion 182 is connected from described first
Portion 181 is bent towards the direction of the light guide plate 110, the second connecting portion 182 and the first surface of the light guide plate 110
110a is stacked.In one embodiment, the second joint face 121b is connected to the first connecting portion by pad 240
181.Typically, size L1 of the first connecting portion 181 on the extending direction of the incidence surface 110c is more than described the
Size L2 of one connecting portion 181 on 110 extending direction of light guide plate, therefore, by 181 company of being set as of first connecting portion
The second joint face 121b is met, ruler of the flexible PCB 180 on 110 extending direction of light guide plate can be reduced
It is very little, be conducive to reduce the size of the non-display area 300b for the electronic equipment that the backlight module 100 is applied, improve the backlight
The screen accounting for the electronic equipment that module 100 is applied.Further, the second connecting portion 182 is in the first surface 110a
On projection fall in the range of first light-absorption layer 130.Further, the second connecting portion 182 is at least partly set
The gap area formed between the first forging die of the reflector plate 150 and the first surface 110a of the light guide plate 110,
To improve the integrated level of the backlight module 100.
Further, the second connecting portion 182 is bonded the light guide plate 110, and the second connecting portion 182 is far from institute
The end face for stating first connecting portion 181 is concordant with end face of first light-absorption layer 130 far from the light source 120 or described
End face of two connecting portions 182 far from the first connecting portion 181 is located at first light-absorption layer 130 adjacent to the light source 120
Between the end face of end face and first light-absorption layer 130 far from the light source 120.
In one embodiment, the flexible PCB 180 is connected by pad 240 with the second joint face 121b.
Specifically, referring to Fig. 8, Fig. 8 is the structure diagram of backlight module that the 8th embodiment of the application provides.Present embodiment
In backlight module and the backlight module of the 7th embodiment introduction it is essentially identical, the difference lies in, in the present embodiment,
The printed circuit board 121 is arranged on by pad 240 on the flexible PCB 180.Specifically, the pad 240 is opposite
Two surfaces in a surface connect the second joint face 121b of the printed circuit board 121, the setting of another surface
In the first connecting portion 181 of the flexible PCB 180.
Referring to Fig. 9, Fig. 9 is the structure diagram of backlight module that the 9th embodiment of the application provides.With reference to above-mentioned
Any one embodiment, the backlight module 100 further include stent 190, and the stent 190 includes the first plate 191, and described the
One plate 191 is used to carry the light guide plate 110.For the convenience of description, in the present embodiment, in the backlight module 100
Device other than the stent 190 has selected structure shown in Fig. 8.
In the present embodiment, first plate 191 is equipped with opening 191a, and the light source 120 is in first plate
Projection on 191 is at least partly overlapped with projections of the opening 191a on first plate 191, the backlight module
100 further include masking tape 210, and the masking tape 210 covers the opening 191a.The light source 120 is in first plate 191
On projection overlapped with the projection at least part of the opening 191a on first plate 191, so as to from the opening
191a enters the light source 120 assembling.On the one hand, the masking tape 210 is for sealing the opening 191a, on the other hand,
The masking tape 210 is used for the direction light leakage for preventing the light that the light source 120 is sent out towards the opening 191a.
By setting the opening 191a, the aspect light source 120 and the flexible circuit on first plate 191
The assembling of plate 180 and the light guide plate 110.It, can be in the third plate 193 adjacent to first plate 191 in assembling
Surface bond foam rubber 250;Then, the light source 120 is bonded in by the opening 191a in the foam rubber 250;
The flexible PCB 180 passes through the opening 191a with the light source 120, is stable in the inside of first plate 191;Again
Afterwards, the reflector plate 150 is fitted in the first surface 110a of the light guide plate 110, and in the first table of the light guide plate 110
First light-absorption layer 130 on the 110a of face is set, and sets and bonds between first light-absorption layer 130 and first plate 191
The light guide plate 110 is fixed on first plate 191 by part 260;The optical film layer 160 is sequentially fixed at institute
State the side where the second surface 110b of light guide plate 110;The masking tape is finally sealed into the opening 191a.The covering
There is part with first plate 191 and be laminated, and there are parts with second plate 192 for the masking tape 210 in band 210
It is laminated, to increase the fastness of the masking tape 210, and prevents the light that the light source 120 is sent out from the opening 191a leakages
Light.In the present embodiment, it is bonded between the second connecting portion 182 and second plate 192 by bonding piece 260 solid
It is fixed;Foam rubber 250 is set between the light source 120 and the masking tape 210.
Referring to Fig. 10, Figure 10 is the structure diagram of backlight module that the tenth embodiment of the application provides.This implementation
The backlight module 100 that mode provides and the backlight module 100 that the application sixth embodiment provides are essentially identical, and difference exists
In in the present embodiment, first plate 191 is equipped with counterbore 191b, the counterbore 191b and 120 face of light source.
Further, the counterbore 191b also with 180 face of partially flexible circuit board and with first light-absorption layer
130 faces.First plate 191 is forming convex closure far from 120 side of light source.So that it can hold in the counterbore 191b
It receives and a part for the light source 120, a part for the flexible PCB 180 and accommodates first light-absorption layer 130.Institute
It states the first plate 191 and opens up the counterbore 191b, the backlight module 100 can be reduced in the parallel first surface 110a
Direction can not provide the region of backlight, increase 15 accounting of transmission region that can provide backlight, and then can reduce the back of the body
The size of the non-display area 300b for the electronic equipment that optical mode group 100 is applied improves the electronics that the backlight module 100 is applied
The screen accounting of equipment.
Further, the stent 190 further includes the second plate 192 that extension is bent by first plate 191, described
Second plate 192 is arranged on side of the light source 120 far from the light guide plate 110.
Further, it is fixedly connected between first plate 191 and the light source 120 by the first connector 220, institute
It states and is fixedly connected between the second plate 192 and the light source 120 by the second connector 230.First connector 220 can be with
For but be not limited only to as double faced adhesive tape, second connector 230 can be but be not limited only to as double faced adhesive tape.
Further, the stent 190 further includes third plate 193, and the third plate 193 is by second plate
192 one end bending extensions far from first plate 191, and the third plate 193 is set relatively with first plate 191
It puts, the third plate 193 is used to cover the light source 120.
Further, the backlight module 100 further includes light shield layer 170, and the light shield layer 170 includes the first sub- light shield layer
171 and by first light shield layer 170 one end bending extension the second sub- light shield layer 172.First sub- 171 layers of the light shield layer
Side of the third plate 193 far from the light source 120 is laminated on, and at least covers the light source 120 and first extinction
Layer 130 and second light-absorption layer 140.Second plate 192 described in second light shield layer 170 at least covering part.
In one embodiment, orthographic projection of the described first sub- light shield layer 171 on the light guide plate 110 with it is described reflective
Area 14 coincides.The first screening sub-light layer can not the light that sends out of light source 120 described in light transmission, to realize the backlight module
100 encapsulation prevents the light that the light source 120 is sent out from being revealed between the third plate 193 and the light guide plate 110.
In one embodiment, first light shield layer 170 just covers the reflective areas 14, to reduce the backlight mould
Group 100 can not provide the region area of backlight, and the transmission region 15 can provide the area of backlight as the backlight module 100
Domain, the accounting increase of the transmission region 15.The second sub- light shield layer 172 coats second plate 192, to increase
The contact area of light shield layer 170 and the stent 190 is stated, increases the stent 190 fastness Nian Jie with exterior part.
It is opposite with the incidence surface 110c that the light guide plate 110 further includes first side 110d, the first side 110d
Setting, and the first side 110d is connected between the first surface 110a and the second surface 110b, the leaded light
Plate 110 sets the first positioning region 111 in the first side 110d, and the stent 190 further includes the 4th plate 194, and described the
Four plates 194 bend extension, and the 4th plate 194 by the one end of first plate 191 far from second plate 192
It is oppositely arranged with second plate 192, the second positioning region 194a, second positioning region is set on the 4th plate 194
194a cooperates the light guide plate 110 being fixedly connected with the stent 190 with first positioning region 111.
In present embodiment, the first side 110d is set in the width direction of the light guide plate 110.Described 4th
Plate 194 blocks the first side 110d in described 110 width directions of light guide plate, prevents light guide plate 110 described in
First side 110d light leakages.The first side 110d is equipped with multiple first positioning regions 111, and the 4th plate 194 is right
Multiple second positioning region 194a should be equipped with.The second positioning region 194a coordinates with first positioning region 111, by institute
Light guide plate 110 is stated to be fixedly connected with the stent 190, ensure spacing between the light guide plate 110 and the stent 190 compared with
It is small, and ensure that the assembly precision of the light guide plate 110 and the stent 190 is higher.First positioning region 111 can be recessed
Slot, the second positioning region 194a can be boss.Certainly, in other embodiments, first positioning region 111 can also
It is boss, the second positioning region 194a can also be groove.
Also referring to refering to the structure diagram of Figure 11 and Figure 12, Figure 11 for the display device of the application;Figure 12 is figure
11 cross-sectional view along I-I lines.The display device 10 includes the backlight module that aforementioned arbitrary embodiment provides
100 and be arranged on the light guide plate 110 light-emitting surface side display module 300.The description of the backlight module 100 please be joined
See the description of front, details are not described herein.The backlight module 100 that the display device 10 illustrated in Figure 11 and Figure 12 includes is with
Backlight module 100 in ten embodiments is illustrated, it is possible to understand that ground, the display device of the application can be including aforementioned arbitrary
Backlight module 100 described in embodiment.The display module 300 includes viewing area 300a and non-display area 300b, described non-
Viewing area 300b at least covers the light source 120 and first light-absorption layer 130.
Further, the display module 300 includes thin-film transistor array base-plate 310, color membrane substrates 320 and liquid crystal
Layer 330, the thin-film transistor array base-plate 310 are set with 320 relative spacing of color membrane substrates to form receiving space, institute
It states liquid crystal layer 330 and is contained in the receiving space, and the liquid crystal layer 330 at least corresponds to the viewing area 300a settings.
Further, the display module 300 further includes the first polaroid 340, the second polaroid 350 and euphotic cover plate
360.First polaroid 340 is arranged between the thin-film transistor array base-plate 310 and the backlight module 100, institute
It states the second polaroid 350 and is arranged on side of the color membrane substrates 320 far from the backlight module 100, the euphotic cover plate 360
Side of second polaroid 350 far from the backlight module 100 is arranged on, for being arranged on the euphotic cover plate 360
The all parts of lower setting are protected.
It is the structure diagram of electronic equipment that the application provides to please refer to Fig.1 3, Figure 13.In the present embodiment, it is described
Electronic equipment 1 includes display device 10, and the display device 10 includes backlight module 100 and is arranged on the light guide plate 110
Light-emitting surface side display module 300.The description of the backlight module 100 refers to the description of front, and details are not described herein.
The backlight module 100 that display device 10 in Figure 12 includes is illustrated with the backlight module 100 in the tenth embodiment, can
To understand ground, the display device of the application can include the backlight module 100 described in aforementioned arbitrary embodiment.The display dress
10 descriptions for please referring to front are put, details are not described herein.The electronic equipment 1 is further included to be closed with the 300 phase lid of display module
Back-cover 280 and the mainboard 270 that is fixed between the backlight module 100 and the back-cover 280,300 He of display module
The light source 120 is electrically connected the mainboard 270.
It is the embodiment of the embodiment of the present application above, it is noted that those skilled in the art are come
It says, under the premise of the embodiment of the present application principle is not departed from, several improvements and modifications can also be made, these improvements and modifications
It is considered as the protection domain of the application.
Claims (28)
1. a kind of backlight module, which is characterized in that the backlight module includes light guide plate, light source and the first light-absorption layer, described to lead
Tabula rasa includes first surface, second surface and incidence surface, and the first surface is oppositely arranged with the second surface, it is described enter light
Face is connected between the first surface and the second surface, and the light source is used to emit beam, and the light source is adjacent to institute
Incidence surface setting is stated, first light-absorption layer is set to the region of the close incidence surface of the first surface, to be absorbed into
At least part light being incident upon on first light-absorption layer.
2. backlight module as described in claim 1, which is characterized in that the backlight module further includes the second light-absorption layer, described
Second light-absorption layer is arranged on the second surface, and second light-absorption layer be located at the second surface and close to it is described enter light
The region in face, to absorb at least part light being incident on second light-absorption layer.
3. backlight module as claimed in claim 2, which is characterized in that first light-absorption layer is black ink layer, described the
Two light-absorption layers are black ink layer.
4. backlight module as claimed in claim 3, which is characterized in that the black ink layer is by the first surface
Coating printing ink material is formed on upper and described second surface;The black ink layer is on the first surface and described to be set to
Black ink film on second surface.
5. backlight module as claimed in claim 3, which is characterized in that second light-absorption layer and first light-absorption layer about
The light guide plate is symmetrical arranged.
6. backlight module as claimed in claim 3, which is characterized in that second light-absorption layer and first light-absorption layer about
The asymmetric setting of light guide plate.
7. backlight module as described in claim 1, which is characterized in that first light-absorption layer is to the extinction efficiency of light from institute
The first light-absorption layer is stated to continuously decrease to the described one end of first light-absorption layer far from the incidence surface adjacent to one end of the incidence surface.
8. backlight module as described in claim 1, which is characterized in that the backlight module further includes reflector plate, the reflection
Piece is arranged on the side where the first surface of the light guide plate, and the second surface forms the light-emitting surface of light guide plate, described anti-
Piece is penetrated at least part light being emitted from the first surface of the light guide plate to be reflected back the light guide plate.
9. backlight module as claimed in claim 8, which is characterized in that the reflector plate includes third surface and first end face,
The third surface is the reflector plate adjacent to the surface of the light guide plate, and the first end face is the reflector plate in face of described
The end face of light source, and the first end face intersects with the third surface, the first end face and first light-absorption layer are separate
The end face of the light source is concordant or the first end face be located at first light-absorption layer adjacent to the end face of the light source with it is described
Between end face of first light-absorption layer far from the light source.
10. backlight module as claimed in claim 8, which is characterized in that the reflector plate is to the light that is emitted from the light guide plate
The reflectivity of line gradually increases from one end of the neighbouring incidence surface to one end far from the incidence surface.
11. backlight module as claimed in claim 8, which is characterized in that the backlight module includes at least one layer of optical film layer,
The optical film layer is arranged on the side where the second surface of the light guide plate, and the optical film layer is used for will be from the leaded light
The direction outgoing of the light-emitting surface of the light guide plate is directed away from after the equalizing light rays of the light-emitting surface outgoing of plate.
12. backlight module as claimed in claim 11, which is characterized in that the optical film layer includes the 4th surface and second
End face, the 4th surface are the optical film layer adjacent to the surface of the light guide plate, and the second end face is the optical film
Level is to the end face of the light source, and the second end face intersects with the 4th surface, the second end face and described first
End face of the light-absorption layer far from the light source is concordant;Or the second end face is located at first light-absorption layer adjacent to the light source
Between end face and the end face of first light-absorption layer far from the light source;Wherein, the optical film layer includes at least one layer of anti-reflection
The arbitrary combination of film or at least one layer of diffusion barrier or at least one layer of anti-reflection film and at least one layer of diffusion barrier.
13. backlight module as described in claim 1, which is characterized in that the backlight module further includes light shield layer, the shading
Layer is arranged on the side of the light-emitting surface of the light guide plate, and the light shield layer is used for the light for preventing the light source from sending out described in
Side light leakage where light-emitting surface, projection of first light-absorption layer on the light shield layer are fallen in the light shield layer.
14. backlight module as described in claim 1, which is characterized in that the light source include printed circuit board and it is multiple shine
Chip, the printed circuit board include the first joint face in face of the incidence surface, and the luminescence chip is set to described first
Joint face, and for emitting beam towards the incidence surface.
15. backlight module as claimed in claim 14, which is characterized in that the centre of luminescence of the luminescence chip is in straight line
On.
16. backlight module as claimed in claim 14, which is characterized in that the printed circuit board is further included to be connected with described first
The second opposite joint face of junction, the backlight module further include flexible PCB, and the flexible PCB is used for and the light
For providing control signal so that the light source to be controlled to be turned on or off, the flexible PCB connects with described second for source electrical connection
Junction is connected, and the flexible circuit plate part and the first surface of the light guide plate are stacked.
17. backlight module as claimed in claim 16, which is characterized in that the flexible PCB includes bending connection successively
First connecting portion and second connecting portion, the first connecting portion are connected to second joint face, and the second connecting portion is from institute
It states first connecting portion to bend towards the direction of the light guide plate, the second connecting portion and the first surface of the light guide plate are laminated
Setting.
18. backlight module as claimed in claim 17, which is characterized in that the second connecting portion is bonded the light guide plate, and
End face of the second connecting portion far from the first connecting portion is concordant with the end face of first light-absorption layer far from the light source,
Or end face of the second connecting portion far from the first connecting portion is located at first light-absorption layer adjacent to the end of the light source
Between face and the end face of first light-absorption layer far from the light source.
19. backlight module as described in claim 1, which is characterized in that the backlight module further includes stent, the stent packet
The first plate is included, first plate is used to carry the light guide plate.
20. backlight module as claimed in claim 19, which is characterized in that first plate is equipped with opening, and the light source exists
Projection on first plate is at least partly overlapped with projection of the opening on first plate, the backlight module
Masking tape is further included, the masking tape covers the opening.
21. backlight module as claimed in claim 19, which is characterized in that first plate be equipped with counterbore, the counterbore with
The light source face.
22. backlight module as claimed in claim 19, which is characterized in that the stent is further included by first panel-bending
Second plate of extension, second plate are arranged on side of the light source far from the light guide plate.
23. backlight module as claimed in claim 22, which is characterized in that pass through between first plate and the light source
A connection piece is fixedly connected, and is fixedly connected between second plate and the light source by the second connector.
24. backlight module as claimed in claim 22, which is characterized in that the stent further includes third plate, the third
Plate bends extension, and the third plate and first plate by the one end of second plate far from first plate
It is oppositely arranged, the third plate is used to cover the light source.
25. backlight module as claimed in claim 22, which is characterized in that the light guide plate further includes first side, and described
One side is oppositely arranged with the incidence surface, and the first side be connected to the first surface and the second surface it
Between, the light guide plate sets the first positioning region in the first side, and the stent further includes the 4th plate, the 4th plate
Extension is bent, and the 4th plate is opposite with second plate by the one end of first plate far from second plate
It sets, the second positioning region is set on the 4th plate, second positioning region cooperates to incite somebody to action with first positioning region
The light guide plate is fixedly connected with the stent.
26. a kind of display device, which is characterized in that the display device is included as described in claim 1~25 any one
Backlight module, the display device further include the display module for the light-emitting surface side for being arranged on the light guide plate, the display mould
Group includes viewing area and non-display area, and the non-display area at least covers the light source and first light-absorption layer.
27. display device as claimed in claim 26, which is characterized in that the display module includes thin film transistor (TFT) array base
Plate, color membrane substrates and liquid crystal layer, the thin-film transistor array base-plate set to be formed with the color membrane substrates relative spacing
Receiving space, the liquid crystal layer is contained in the receiving space, and the liquid crystal layer at least corresponds to the viewing area setting.
28. a kind of electronic equipment, which is characterized in that the electronic equipment includes aobvious described in claim 26~27 any one
Showing device, the electronic equipment, which is further included, mutually to be covered the back-cover of conjunction with the display module and is fixed on the backlight module and described
Mainboard between back-cover, the display module and the light source are electrically connected the mainboard.
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CN201810110872.1A CN108196400A (en) | 2018-02-01 | 2018-02-01 | Backlight module, display device and electronic equipment |
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CN201810110872.1A CN108196400A (en) | 2018-02-01 | 2018-02-01 | Backlight module, display device and electronic equipment |
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CN108845623A (en) * | 2018-07-31 | 2018-11-20 | Oppo广东移动通信有限公司 | The control method of display screen component, electronic equipment and electronic equipment |
CN110364079A (en) * | 2019-06-11 | 2019-10-22 | 惠科股份有限公司 | Optics is adjusted and controlled, backlight module and display device |
CN111190306A (en) * | 2020-02-27 | 2020-05-22 | 京东方科技集团股份有限公司 | Display device |
CN111427195A (en) * | 2020-04-27 | 2020-07-17 | 安徽精卓光显技术有限责任公司 | Backlight module and electronic equipment |
CN112612074A (en) * | 2020-12-18 | 2021-04-06 | 合肥鑫晟光电科技有限公司 | Backlight module and display device |
WO2024055395A1 (en) * | 2022-09-14 | 2024-03-21 | 瑞仪光电(南京)有限公司 | Backlight module having light guide assembly capable of being adhered and display apparatus |
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Application publication date: 20180622 |