CN209707878U - Electronic equipment and backlight module - Google Patents
Electronic equipment and backlight module Download PDFInfo
- Publication number
- CN209707878U CN209707878U CN201920082429.8U CN201920082429U CN209707878U CN 209707878 U CN209707878 U CN 209707878U CN 201920082429 U CN201920082429 U CN 201920082429U CN 209707878 U CN209707878 U CN 209707878U
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- back light
- light unit
- display panel
- module
- optical module
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- 230000003287 optical effect Effects 0.000 claims abstract description 93
- 239000004973 liquid crystal related substance Substances 0.000 claims description 69
- 238000001514 detection method Methods 0.000 claims description 7
- 239000012788 optical film Substances 0.000 claims description 4
- 238000009877 rendering Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 6
- 239000010408 film Substances 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 3
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006213 oxygenation reaction Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003331 infrared imaging Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of backlight modules, the backlight module includes multiple back light units that a display panel back side is arranged in, the light beam that at least one back light unit can allow other back light units to issue passes through and reaches the display panel, the backlight module further includes optical module, and the optical module can correspond to other described back light units and be adjusted to which the light beam of control other back light units transmitting passes through at least one described back light unit.The utility model electronic equipment and backlight module have preferable user experience.
Description
Technical field
The utility model relates to electronic technology field more particularly to the electronic equipments and backlight mould of a kind of better user experience
Group.
Background technique
As technological progress and people's living standard improve, for the electronic equipments such as mobile phone, tablet computer, camera, user
Require more multi-functional and fashion appeal.Currently, the development trend of electronic equipment is frivolous, close screen comprehensively, have simultaneously
The functions such as front camera self-timer and recognition of face.And as the function that electronic equipment is supported is more and more abundant, it needs to be arranged
Number of elements is also more and more, needs to occupy the position of the positive display area of a part of electronic equipment, influences beautiful and user
Experience.Currently, the display portion of many electronic equipments uses liquid crystal display die set, including liquid crystal display panel and back light unit.
How various functional module groups are placed below liquid crystal display panel and back light unit and are had preferable display effect and more handy
Family experience is problem to be solved.
Utility model content
The purpose of the utility model is to provide a kind of electronic equipment and backlight with preferable display effect and user experience
Mould group.
The one aspect of the utility model discloses a kind of backlight module comprising multiple to be arranged in a display surface backboard
The back light unit in face, the light beam that at least one back light unit can allow other back light units to issue pass through and reach the display surface
Plate, the backlight module further include optical module, and the optical module can correspond to other described back light units and be adjusted, thus
The light beam for controlling other back light units transmitting passes through at least one described back light unit.
Optionally, the multiple back light unit include the first back light unit and be arranged in below the first back light unit second
Back light unit, the optical module and/or one is for executing the functional module group setting of two dimension or three-dimensional feature information sensing in institute
It states below the first back light unit, first back light unit has corresponding with the functional module group or/and optical module first
Aperture, the light beam that second back light unit issues can reach the display by the optical module and first aperture
Panel, and outside further can be emitted to by the display panel.
Optionally, the backlight module includes the first back light unit that the display panel back side is arranged in, and setting
The second back light unit and third back light unit below first back light unit, first back light unit have with it is described
Corresponding first aperture of optical module, second back light unit can for emitting for emitting infrared light, third back light unit
Light-exposed, the optical module can correspond to second back light unit and third back light unit is adjusted, to control described
Two back light units or the light beam of third back light unit transmitting pass through first back light unit.
Optionally, when the display panel shows picture, the third back light unit emits visible light beam, the light
It learns component and is adjusted so that the visible light beam of the transmitting of the third back light unit is reflected by optical module and passes through described the
One aperture, display panel are emitted to outside, carry out luminance compensation to the image display of the display panel.
Optionally, when the functional module group works, second back light unit emits infrared light, the optical module tune
Whole is so that the infrared light of the transmitting of second back light unit is reflected by optical module and by first aperture, aobvious
Show that panel is emitted to outside, and can be reached after being reflected by external object by the display panel, the first aperture, optical module
The functional module group is detected and is identified for the biological information to external object.
Optionally, the optical module is the optical film with semi-transparent semi-reflecting characteristic, prism or beam splitter.
Optionally, the optical module includes reflecting surface, and the backlight module further includes control element, the control element
Reflecting surface by controlling the optical module is rotated towards, to control second back light unit or third back light unit
The light beam of sending by first aperture is emitted to the display panel after being reflected.
Optionally, the optical module is between first aperture and the functional module group, the optical module with
There are 45 degree of angle settings between the functional module group.
Optionally, the optical module can correspond to other described back light units and carry out rotation or mobile adjustment, to control
The light beam of other back light units transmitting passes through at least one described back light unit.
The one aspect of the utility model discloses a kind of electronic equipment, including display panel, setting in the display surface
The backlight module as described in any one of above-mentioned of back and the functional module group that the backlight module back side is set, institute
Backlight module is stated for providing light beam to the display panel, the functional module group can pass through the backlight module and display surface
Plate receives and/or transmitting light beam, for two dimension or the identification of three-dimensional characteristics of objects, or two dimension or three-dimensional Image Rendering, or
Person is used to take pictures or recorded video, wherein the display panel is liquid crystal display panel.
The one aspect of the utility model discloses a kind of electronic equipment, including display module, and the display module includes
Liquid crystal display panel and the backlight module that LCD display back is arranged in, the backlight module includes multiple back light units,
The back light unit can be used for issuing light beam to the liquid crystal display panel, at least one back light unit can allow other backlight lists
The light beam that member issues passes through and reaches the liquid crystal display panel, and the backlight module further includes optical module, the optics group
Part can correspond to other described back light units be adjusted to control the light beam of other back light units transmitting by it is described extremely
A few back light unit.
Optionally, the electronic equipment further includes the functional module group being arranged in below first back light unit, in which: institute
The first back light unit is stated with the second aperture corresponding with the functional module group, functional module group can pass through second aperture, institute
It states liquid crystal display panel and receives and/or emit light beam；Or the functional module group is adjacent to the first opening setting, functional module group
Light beam can be received and/or emitted by first aperture, the liquid crystal display panel.
Optionally, the functional module group is fingerprint detection mould group or face detection mould group, the second back light unit transmitting
Infrared light be floodlight or structure light, on second back light unit transmitting infrared light to external object and reflect, it is described
Functional module group receives the reflected infrared light of external object to obtain external object two-dimensional signal or depth information, uses
It detects and identifies in biological characteristic of the realization to external object.
Optionally, the electronic equipment further includes processor, and the functional module group is converted to after receiving infrared signal
Corresponding digital signal, the processor carry out the biological characteristic detection and identification of external object according to the digital signal.
Optionally, by micro motor, ultrasonic motor or the optical module are based on the optical module by other
Structure or method physically or chemically realizes rotation or mobile adjustment, has between the optical module and the functional module group
45 degree of angle settings.
Optionally, the display module further includes the third back light unit being located at below first back light unit, described
Third back light unit is for issuing visible light and/or infrared light, wherein the electronic equipment further includes optical module, the third
The light beam that back light unit issues reaches the liquid crystal display panel, second backlight by the optical module and the first aperture
The light beam that unit issues reaches the liquid crystal display panel by the optical module and the first aperture；Or first backlight
Unit has the third aperture of the corresponding third back light unit, third aperture described in the light beam that the third back light unit issues
Reach the liquid crystal display panel.
Optionally, first back light unit includes the reflector plate, light guide plate and optical diaphragm set gradually, the reflection
Piece, light guide plate, optical diaphragm have the perforative aperture of corresponding second back light unit.
Optionally, first aperture, the second aperture, third aperture inner wall are equipped with light shield layer, and the light shield layer is for hindering
Every beam propagation, the light shield layer is light screening material by plated film, is applied, and the modes such as spraying are formed on the inside of the aperture, or
Person is that side section in the opening is arranged by stickup or clamping mode in the light shield layer.
Compared to the prior art, the utility model backlight module and electronic equipment have preferable user experience.
Detailed description of the invention
Fig. 1 is the schematic diagram of one embodiment of the utility model；
Fig. 2 is the schematic diagram of one embodiment of the utility model；
Fig. 3 is the schematic diagram of one embodiment of the utility model；
Fig. 4 is the schematic diagram of one embodiment of the utility model；
Fig. 5 is the schematic diagram of one embodiment of the utility model；
Fig. 6 is the schematic diagram of one embodiment of the utility model；
Fig. 7 a- Fig. 7 b is the schematic diagram of one embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Feature described in present specification, structure can be incorporated in one or more implementations in any suitable manner
In mode.In the following description, many details are provided so as to fully understand presently filed embodiment.However,
One of ordinary skill in the art would recognize that even if without one or more in the specific detail, or the other structures of use,
Constituent element etc. can also practice the technical solution of the application.In other cases, it is not shown in detail or describes known features or behaviour
Make the emphasis to avoid fuzzy the application.
In one embodiment of the utility model, a kind of backlight module includes multiple a display panel back side being arranged in
Back light unit.The back light unit is for issuing light beam to display panel.At least one back light unit can allow other backlight lists
The light beam that member issues passes through and reaches the display panel.It should be noted that multiple in the application refer to two or two
More than.
Optionally, the backlight module can further comprise optical module.The light beam that other back light units issue is logical
It crosses the optical module and at least one described back light unit reaches the display panel.
In one embodiment of the utility model, a kind of electronic equipment includes display module, and the display module includes aobvious
Show panel and the backlight module that the display panel back side is set.The backlight module includes multiple back light units, the backlight list
Member can be used for issuing light beam to the display panel.The light beam that at least one back light unit can allow other back light units to issue is logical
It crosses.In the change embodiment of the embodiment, the electronic equipment further includes the function mould that the backlight module back side is arranged in
Setting is close to the backlight module or is spaced to group, the functional module group, and the functional module group can be used for through the display mould
Group receives light beam.
Referring to Fig. 1, electronic equipment 1 includes display module 10 and shell 20 in one embodiment of the utility model.Institute
Display module 10 is stated to be at least partially disposed in the shell 20.Generally, the display module 10 is browsed and is operated for user
Side be referred to as front, opposite side is known as the back side.In the utility model other embodiments, the shell 20 includes bottom frame
And/or frame.In other embodiments of the utility model, the shell 20 be can be omitted.
In the present embodiment, the display module 10 includes liquid crystal display panel 11, is arranged in the liquid crystal display panel 11
The backlight module (not indicating) of lower section, the backlight module include the first back light unit 12, are arranged in first back light unit
Second back light unit 13 of 12 lower sections.First back light unit 12 has the first of corresponding second back light unit 13 to open
Hole 101.Setting is close to first back light unit 12 or is spaced to second back light unit 13.
Referring to Fig. 2, first back light unit 12 includes setting gradually in a change embodiment of the utility model
Reflector plate 121, light guide plate 122 and optical diaphragm 1201.The back light unit 12 further includes light source (not shown).The reflection
Piece 121, light guide plate 122, optical diaphragm 1201 have perforative first aperture 101 of corresponding second back light unit 13.Institute
The light beam 801 (together referring to Fig. 1) for stating the sending of the second back light unit 13 can reach the liquid crystal by first aperture 101
Display panel 11 can be simultaneously emitted to outside the display module 10 by the liquid crystal display panel 11.
The utility model other or change embodiment in, the optical diaphragm 1201 may include one or more diffusions
The relative position of piece, the combination of one or more prismatic lens or diffusion sheet and prismatic lens, the diffusion sheet and prismatic lens can be with
With different settings, such as diffusion sheet is arranged above prismatic lens or prismatic lens are arranged above diffusion sheet.
In one change embodiment of the utility model, the electronic equipment further include setting the backlight module back side or under
The functional module group of side, the functional module group are arranged adjacent to first aperture 101, and the light beam outside the display module 10 can
The functional module group is reached by the liquid crystal display panel 11, first aperture 101.When user holds the electronic equipment
When 1 progress self-timer or video calling, the functional module group starts work by the operation to the electronic equipment 1 by user at this time
Make.External beam 102 reaches functional module group by the display module 10, and the functional module group converts optical signals to digital letter
Number and image is shown as by the display module 10.
In other change embodiments, the functional module group for example but be not limited to the use of obtained by the optical signal it is external
The two dimension or 3-D image of object alternatively, obtaining the biological information of external object, and are compared with the sample information prestored
It is right, it is realized according to comparison result and the biological information of objects outside is identified, confirm whether the identity of the external object closes
Method.Wherein, the biological information is such as, but not limited to the conjunction such as fingerprint feature information, face feature information, blood oxygenation information
Suitable information.Sample information is, for example, the biological information of one or more samples.Blood oxygenation information for example be used to judge outer
Bound pair likes no for living body.
Citing, when the functional module group is when executing biological information identification, the functional module group penetrates described first
Aperture 101, the sending infrared light of liquid crystal display panel 11 to external object, the infrared light liquid crystal after external object reflects
Show that the first aperture 101 on panel 11 and the first back light unit 12 is transmitted to functional module group.The functional module group is according to reception
The infrared light arrived obtains the infrared image of external object.Wherein, the infrared light is, for example, infrared floodlight or/and infrared structure
Light.
Specifically, when the functional module group executes fingerprint feature information sensing, the infrared light of the functional module group sending
For example, infrared floodlight.When the functional module group executes three-dimensional image information (three-dimensional face information) sensing, the function mould
Group such as timesharing issues infrared floodlight and infrared structure light.
Ground is changed, it is also capable of emitting when the functional module group executes finger print information sensing or three-dimensional image information senses
Visible light etc. carries out image sensing.
Referring to Fig. 3, the electronic equipment includes that display module 10 and setting exist in another embodiment of the utility model
The functional module group 30 at 10 back side of display module.The display module 10 includes liquid crystal display panel 11 and is arranged in the liquid crystal
The backlight module (not indicating) at 11 back side of display panel, the backlight module include optical module 31, the first back light unit 12 with
And the second back light unit 13 below first back light unit 12 is set.First back light unit 12 has and the function
Energy mould group 30 or corresponding first aperture 101 of optical module 31, the light beam that second back light unit 13 issues can pass through institute
It states optical module 31 and first aperture 101 reaches the liquid crystal display panel 11, and can further pass through the liquid crystal
Display panel 11 is emitted to outside, is passed through the liquid crystal display panel after external object (such as: finger, face etc.) reflection
11, first aperture 801 and the optical module 31 reach the functional module group 30.
In a change embodiment, the functional module group 30 includes lens, the sensor being arranged in below the lens
With the cylinder for accommodating the lens and sensor.Light beam 801 pass through liquid crystal display panel 11 after by first aperture 101,
The optical module 31 is incident on lens, then further to sensor.
In another embodiment of the utility model, the optical module 31 is arranged adjacent to first aperture 101 described
Between first aperture 101 and the functional module group 30, the functional module group 30 is arranged adjacent to the optical module 31.The optics
Component 31 can be the optical film with semi-transparent semi-reflecting characteristic, prism etc..Second back light unit 13 emits light beam 801 and arrives institute
It states on optical module 31, segment beam reaches outside display module 10 after being reflected through first aperture 101.At this point, anti-
The segment beam 103 penetrated is irradiated in objects outside after (such as: finger or face) is reflected through the LCD display
Plate 11, first aperture 101, the optical module 31 reach the functional module group 30.External beam can also pass through the liquid
LCD panel 11, first aperture 101 and the optical module 31 enter the functional module group 30.
User issues instruction or the electronic equipment 1 according to pre-set programs by carrying out operation to the electronic equipment 1
Start Object identifying function, so that the functional module group 30 enters working condition.For example, by taking fingerprint recognition as an example, the light beam
801 reflected by finger after reached by the liquid crystal display panel 11, first aperture 101, the optical module 31 it is described
Functional module group 30, the functional module group 30 acquire corresponding fingerprint image characteristics according to the received light beam 801 of institute, and by addition
Processor be compared, verify etc. and realize fingerprint recognition.
A kind of electronic equipment is also provided in the utility model one embodiment comprising display module 10 and setting are being shown
The functional module group 30 at 10 back side of mould group, the display module include liquid crystal display panel 11 and backlight module, the backlight module
The second back light unit 13 including the first back light unit 12 and the multiple neighbouring functional module group 30 settings.First backlight
Unit 12 has first aperture 101 corresponding with the functional module group 30, and the light beam that second back light unit 13 issues can
The liquid crystal display panel 11 is reached by first aperture 101, and can further pass through the liquid crystal display panel 11
It is emitted to outside.For example, the multiple second back light unit 13 is arranged around the functional module group 30, the functional module group 30 is
Imaging sensor mould group, such as, but not limited to: visible light image sensor or Infrared image sensors.The multiple second back
Light unit 13 can be LED (Light Emitting Diode), VCSEL (Vertical Cavity Surface
Emitting Laser), one or more of light-emitting components such as LD (Laser Diode).
In the change embodiment of above-described embodiment, after second back light unit 13 can also be by polarization beam apparatus beam splitting
It is emitted to outside the display module 10 by first aperture 101, the liquid crystal display panel 11.
Referring to Fig. 4, a kind of electronic equipment includes display module 10 and function mould in another embodiment of the utility model
Group 30, the display module 10 include liquid crystal display panel 11, the first back light unit 12 and are arranged below the first back light unit
The second back light unit 13, first back light unit 12 have first aperture 101 corresponding with second back light unit 13,
The light beam that second back light unit 13 issues can reach the liquid crystal display panel 11 and energy by first aperture 101
It is enough emitted to outside the display module 10 by the liquid crystal display panel 11, first back light unit 12 has and institute
Corresponding second aperture 102 of functional module group 30 is stated, light beam 802 can pass through the liquid crystal display panel 11 and second aperture
802 reach the functional module group.Wherein, light beam 802 can be the visible light or black light of external light source transmitting, can be and
The reflection after the light beam in external object reflects is projected from first back light unit 12 and/or the second back light unit 13
Light.
The light beam 802 reaches the functional module group 30 by the liquid crystal display panel 11, second aperture 102.
Light beam 801 from second back light unit 13 is emitted to described by first aperture 101, the LCD display 11
Outside display module 10.The light beam 801,802 can be visible light, black light, infrared light, ultraviolet light, electromagnetic wave, ultrasound
One or more of wave.For example, in one embodiment of the utility model, the light beam of the transmitting of the second back light unit 13
801 can include infrared light and visible light simultaneously.
In another embodiment of the utility model, the functional module group 30 can acquire two-dimensional image information and depth information,
It can be used for two dimension or the identification of three-dimensional characteristics of objects, perhaps two dimension or three-dimensional Image Rendering or for taking pictures or recording view
Frequently.Such as, but not limited to: fingerprint recognition, iris recognition, face recognition, self-timer, video, videophone, video conference, live streaming,
Building structure is drawn, mapping, hologram image etc..
In above-described embodiment or other change embodiments, second back light unit 13 produces visible light, and passes through institute
It states the first aperture 101 to be irradiated in liquid crystal display panel 11, luminance compensation can be carried out to the liquid crystal display panel 11.
Referring to Fig. 5, a kind of electronic equipment includes display module 10 in another embodiment of the utility model, it is described aobvious
Show that mould group 10 includes liquid crystal display panel 11 and backlight module, the backlight module includes optical module 40, the first back light unit
12, the second back light unit 13 and third back light unit 14.First back light unit 12 is arranged in the liquid crystal display panel 11
The back side, the optical module 40, the second back light unit 13 and third back light unit 14 are arranged under first back light unit 12
Side, first aperture 101 of first back light unit 12 with the corresponding optical module 40, second back light unit 12,
The light beam 801,803 that third back light unit 14 emits is passed through first aperture 101, described after the optical module 40 reflection
Liquid crystal display panel 11 reaches outside the display module 10.The light beam 801,803 can be visible light, and black light is red
Outer light, ultraviolet light, electromagnetic wave, one or more of ultrasonic wave.Such as, but not limited to, the optical module 40 is with one
Or the prism or convex lens in multiple reflection face.The position of second back light unit 13, third back light unit 14 and the optical module 40
It sets and can have a variety of different settings with spacing distance, such as, but not limited to: second back light unit 13, third back light unit
14 and the optical module 40 distance be less than the distance between second back light unit 13, third back light unit 14.
Referring to Fig. 6, a kind of electronic equipment includes that display module 10 and setting exist in another embodiment of the utility model
The functional module group 30 at 10 back side of display module.The display module 10 includes liquid crystal display panel 11 and backlight module, institute
Stating backlight module includes the first back light unit 12, the second back light unit 13 and third back light unit 14.First back light unit
12 settings are arranged in 11 back side of liquid crystal display panel, second back light unit 13 and third back light unit 14 described
First back light unit, 12 lower section.First back light unit 12 has the first aperture 101 of corresponding second back light unit 13,
Second aperture 102 of the corresponding functional module group 30, and the third aperture 103 of the corresponding third back light unit 14.It is described
The light beam 801 that second back light unit 13 issues reaches the display by first aperture 101, the liquid crystal display panel 11
Outside mould group 10.The light beam 803 that second back light unit 14 issues passes through the third aperture 103, the LCD display
Plate 11 reaches outside the display module 10.External beam 802 passes through the liquid crystal display panel 11, second aperture 102
Reach the functional module group 30.The light beam 802 can be the visible light or black light of external light source sending, can also be described
Light beam 801,803 is irradiated to the reflected light after emitting in external object.The utility model changes in embodiment, the light beam
801,802,803 visible light, black light, infrared light, ultraviolet light, electromagnetic wave, one or more of ultrasonic wave be can be.
Another embodiment of the utility model also provides a kind of electronic equipment, and the display module includes LCD display
Plate and backlight module, the backlight module include multiple back light units that LCD display back is arranged in, the backlight list
Member can be used for issuing the light that light beam can allow other back light units to issue to the liquid crystal display panel, at least one back light unit
Beam passes through and reaches the liquid crystal display panel, and the backlight module further includes optical module, and the optical module can correspond to institute
Other back light units are stated to be adjusted to which the light beam of control other back light units transmitting passes through at least one described backlight
Unit.
Another embodiment of the utility model also provides a kind of electronic equipment, including display module, the display module
Including liquid crystal display panel and backlight module, shown backlight module includes multiple backlight lists that LCD display back is arranged in
Member, the back light unit can be used for issuing light beam to the liquid crystal display panel, at least one back light unit can allow other to carry on the back
The light beam that light unit issues passes through and reaches the liquid crystal display panel, and the display module further includes optical module, the light
Learn component can correspond to other described back light units be adjusted to control the light beams of other back light units by it is described extremely
A few back light unit.Please refer to Fig. 7 a and Fig. 7 b, in one embodiment of the utility model, the electronic equipment includes display
Mould group 10 and the functional module group 30 and optical module 31 that 10 back side of display module is set.The display module 10 includes liquid crystal
Show panel 11 and the first back light unit 12 that 11 back side of liquid crystal display panel is set, and is arranged in first backlight
The second back light unit 13, the third back light unit 14 of 12 lower section of unit.First back light unit 12 can allow described second to carry on the back
The light beam that light unit 13 and third back light unit 14 issue passes through.The optical module 31 can correspond to second back light unit 13
It is adjusted with third back light unit 14, to control the light beam that second back light unit 13 or third back light unit 14 emit
Pass through first back light unit 12.
First back light unit 12 has first aperture 101 corresponding with the functional module group 30 or optical module 31,
The light beam that second back light unit 13 and third back light unit 14 issue can pass through the optical module 31 and described first
Aperture 101 reaches the liquid crystal display panel 11, and further can be emitted to outside by the liquid crystal display panel 11,
Passed through the liquid crystal display panel 11, first aperture 801 and institute after external object (such as: finger, face etc.) reflection
It states optical module 31 and reaches the functional module group 30.The optical module 31 be it is adjustable, in the present embodiment, the optics
Component 31 can carry out rotation adjustment (in such as Fig. 7 a and Fig. 7 b dotted arrow illustrate), thus control second back light unit 13 or
The light beam that third back light unit 14 issues passes through.As shown in Figure 7a, the light beam that the second back light unit 13 issues at this time can be via
Outside is emitted to by shown aperture 101, liquid crystal display panel 11 after the shown reflection of optical module 31.As shown in Figure 7b, at this time
The light beam that third back light unit 14 issues passes through the aperture 101, liquid crystal display after capable of reflecting via shown optical module 31
Panel 11 is emitted to outside.The optical module 31 can be the optical film with semi-transparent semi-reflecting characteristic, prism etc., or divide
Beam device or other beam splitters.
In a change embodiment, second back light unit 13 can emit infrared light, and third back light unit 14 can be sent out
Penetrate visible light.When the normally display picture of liquid crystal display panel 11, the third back light unit 14 emits visible light beam,
The optical module 31 is adjusted so that the visible light beam of the transmitting of the third back light unit 14 is reflected by optical module 31
And outside is emitted to by the aperture 101, liquid crystal display panel 11, the image of the liquid crystal display panel 11 can be shown
Carry out luminance compensation, the brightness irregularities so that 11 image frame of the liquid crystal display panel will not seem at the aperture 101
Or colour cast.When the functional module group 30 work, second back light unit 13 emits infrared light, and the optical module 31 is adjusted
Whole is so that the infrared light of the transmitting of second back light unit 13 is reflected by optical module 31 and by the aperture
101, liquid crystal display panel 11 is emitted to outside, and can pass through the liquid crystal display panel 11 after being reflected by external object, open
Hole 101, optical module 31 reach the functional module group 30, for external object organisms feature to be detected and identified.
The functional module group 30 can detect mould group for the biological characteristics such as fingerprint detection mould group or face detection mould group, described
The infrared light of second back light unit 13 transmitting is floodlight or structure light.It is right to outside that second back light unit 13 emits infrared light
As upper and reflect, the functional module group 30 receives the reflected infrared light of the external object to obtain external object
Two-dimensional signal or depth information, such as two dimension or three-dimensional fingerprint feature information, face characteristic information etc., so as to for real
Now the biological characteristic of external object is detected and identified.
In further embodiment, the electronic equipment further includes processor, and the functional module group 30 receives infrared light
Corresponding digital signal is converted to after signal, the processor carries out the biological characteristic inspection of external object according to the digital signal
It surveys and identifies.
There are 45 degree of angle settings in further embodiment, between the optical module 31 and the functional module group 30.
In further embodiment, the optical module 31 can pass through micro motor, ultrasonic motor or the optics group
Part 31 realizes rotation or mobile adjustment based on structure or method physically or chemically by other.
In the change embodiment of above-described embodiment, the several of the back light unit can be 2,3,4 or more
More, the utility model is with no restriction.The optical module 31 is such as, but not limited to rotation adjustment, or movement adjusts, or
Person is mobile and rotation combination adjusts.Above-mentioned adjustment can for example be realized by micro motor.
In one change embodiment of the utility model, the light beam 801,803 can be wave-length coverage 800nm~1000nm
Between infrared light, for example, infrared floodlight or structure light.
In the utility model other embodiments, the functional module group 30 may include infrared imaging mould group or visual light imaging
Mould group.The functional module group 30, which can be used for two dimension and/or three-dimensional characteristics of objects identification, the functional module group 20, to be passed through
TOF (Time of Flight) or the modes such as structure light or binocular stereo imaging obtain object two-dimensional signal and/or depth letter
Breath.
The utility model other or change embodiment in, second back light unit 13, third back light unit 13, function mould
Group 30, optical module 31, optical module 40 can have various configurations, for example setting has identical or different in different location
Spacing distance, and 40 functional module group 30, optical module 31, optical module numbers can be to be one or more.
In the utility model other or change embodiment, back light unit quantity that the display module 10 includes can be 2
A perhaps 3 or other quantity.
In the utility model other or change embodiment, the functional module group 30 may include imaging sensor and/or right
The lens answered, described image sensor can be color light sensor or infrared sensor.
The utility model other or change embodiment in, second back light unit 13 and/or third back light unit 14
It may include light-emitting component, light guide plate, diffusion sheet etc..
The utility model other or change embodiment in, stating liquid crystal display panel 11 may include the two substrates being oppositely arranged,
Liquid crystal layer between two substrate is set, multiple thin film transistor (TFT)s (the Thin Film being disposed on the substrate
Transistor, TFT), multiple grid lines, multiple data lines, multiple pixel electrodes etc., and its that formed is in the more of array distribution
A pixel unit and data drive circuit, sequential control circuit, power circuit etc..
The utility model other or change embodiment in, the functional module group 30 can have multiple, the multiple function
Mould group 30 is all or part of to be arranged at 10 back side of display module.First back light unit 12 has corresponding multiple functions
Multiple apertures of mould group 30.
In the utility model other embodiments, described first to 101,102,103 inner wall of third aperture is equipped with light shield layer,
For the light shield layer for obstructing beam propagation, light beam can not pass through the light shield layer.The light shield layer is that light screening material passes through plating
Film, coating, the modes such as spraying are formed on the inside of the aperture, or the light shield layer is passed through the modes such as stickup or clamping
Side section in the opening is set.
For example, the light shield layer can reflect the light beam 801,802,803, the light shield layer such as, but not limited to reflects
Film, absorbing film etc..
The utility model is above-mentioned or other embodiments in, the aperture 101,102,103 can be circle, rectangular, oval
Shape etc., the utility model are simultaneously not particularly limited.The functional module group 30 and/or the second backlight 13 are at least partially disposed at corresponding
In first aperture 101 and the second aperture 102.
In other embodiments of the utility model, the functional module group 30 includes lens and the sensing that side under a lens is arranged
Device, the light beam 802 are incident on the lens by the aperture 102 after liquid crystal display panel 11, then further arrive
Up to the sensor.In the change or other embodiments of the utility model, the functional module group 30 includes lens, is arranged described
The cylinder of sensor and the receiving lens and sensor below lens.
In another embodiment of the utility model, the functional module group 30 is visible image capturing head, can be used for receiving visible
Light simultaneously generates correspondence image.The utility model other or change embodiment in, the functional module group 30 can also be black light
Functional module group, such as: infrared sensor mould group.The functional module group 30 can be used for shooting photo or video, such as, but not limited to:
Self-timer, video, videophone, video conference, live streaming etc.；Or drawn for two dimension or 3-D image, such as, but not limited to: room
Room structure is drawn, mapping, hologram image etc.；Or identified for characteristics of objects, such as, but not limited to: fingerprint recognition, face
Portion's identification, iris recognition etc..It should be noted that the utility model is not limited thereto, it is any to be obtained without creative work
The technical solution arrived, the including but not limited to deformation, replacement, change, combination etc. of some or all of the utility model embodiment
Belong to scope of protection of the utility model.
In the above-mentioned and other embodiment of the utility model, the liquid crystal display panel 11 at least corresponds to described first to
The region of three apertures 101,102,103 allows light beam to pass through.For example, controlling the liquid crystal display panel 11 by driving circuit
The gray scale voltage of the pixel in the region of the corresponding aperture makes corresponding light beam have maximum percent of pass or larger percent of pass
(Transmittance Ratio).In the other embodiments of the utility model, described in the liquid crystal display panel 11 is at least corresponding
First to the region of third aperture 101,102,103 be it is transparent.
In the utility model other or change embodiment, electronic equipment can be mobile phone, tablet computer, smartwatch, increase
Strong reality/virtual reality device, human action detection device, autonomous driving vehicle, smart home device, security device, intelligence
Robot or other electronic equipments with Object identifying or Image Rendering function.
Compared to the prior art, the utility model electronic equipment has the function of that the display module back side is arranged at least partly
Mould group, electronic equipment front have more spaces for showing.The utility model backlight module can be used in above-mentioned electronics and set
Standby, help function mould group is arranged at the display module back side.The utility model electronic equipment and backlight module have preferable user
Experience
" length " that is likely to occur in the utility model specification, " width ", "upper", "lower", "front", "rear", " back side ",
The orientation or positional relationship of the instructions such as " front ", "vertical", "horizontal", " top ", " bottom ", " inside ", " outside " be based on
Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model embodiment and simplifies description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitations of the present invention.Similar label and letter indicate similar terms in the accompanying drawings, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile it is practical new at this
In the description of type, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relatively important
Property.In the description of the present invention, " a variety of " or the meaning of " plurality " is at least two or two, unless otherwise clearly specific
Restriction.In the description of the utility model, it is also necessary to which explanation is unless specifically defined or limited otherwise, " setting ", " peace
Dress ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be and be directly connected to, be also possible to be indirectly connected with by intermediary, it can be with
It is the connection inside two elements.For the ordinary skill in the art, it can understand that above-mentioned term exists with concrete condition
Concrete meaning in the utility model.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Term used in claims should not be construed as
Utility model is limited to specific embodiment disclosed in this specification.Therefore, the protection scope of the utility model should be with institute
It states subject to scope of protection of the claims.
Claims (10)
1. a kind of backlight module, which is characterized in that the backlight module includes multiple back that a display panel back side is arranged in
Light unit, the light beam that at least one back light unit can allow other back light units to issue pass through and reach the display panel, institute
Stating backlight module further includes optical module, and the optical module can correspond to other described back light units and be adjusted, to control
The light beam of other back light units transmitting passes through at least one described back light unit.
2. backlight module according to claim 1, which is characterized in that the multiple back light unit includes the first back light unit
With the second back light unit being arranged in below the first back light unit, the optical module and/or one is for executing two dimension or three-dimensional
The functional module group of characteristic information sensing is arranged below first back light unit, and first back light unit has and the function
Energy mould group or/and corresponding first aperture of optical module, the light beam that second back light unit issues can pass through the optics
Component and first aperture reach the display panel, and further can be emitted to outside by the display panel.
3. backlight module according to claim 1, which is characterized in that the backlight module includes being arranged in the display surface
First back light unit of back, and the second back light unit below first back light unit and third backlight list are set
Member, first back light unit have the first aperture corresponding with the optical module, and second back light unit is for emitting
Infrared light, third back light unit can correspond to second back light unit and third back for emitting visible light, the optical module
Light unit is adjusted, so that the light beam for controlling second back light unit or the transmitting of third back light unit is carried on the back by described first
Light unit.
4. backlight module according to claim 3, which is characterized in that when the display panel shows picture, described the
Three back light units emit visible light beam, and the optical module is adjusted so that the visible light of the transmitting of the third back light unit
Light beam is reflected by optical module and is emitted to outside by first aperture, display panel, to the image of the display panel
Display carries out luminance compensation.
5. backlight module according to claim 2, which is characterized in that when functional module group work, second back
Light unit emits infrared light, and the optical module is adjusted so that the infrared light of the transmitting of second back light unit by light
It learns component to reflect and be emitted to outside by first aperture, display panel, and institute can be passed through after being reflected by external object
Display panel, the first aperture, the optical module arrival functional module group are stated, is carried out for the biological information to external object
Detection and identification.
6. backlight module according to claim 3, which is characterized in that the optical module has semi-transparent semi-reflecting characteristic
Optical film, prism or beam splitter.
7. backlight module according to claim 3, which is characterized in that the optical module includes reflecting surface, the backlight
Mould group further includes control element, and the control element passes through being rotated towards for the reflecting surface for controlling the optical module, to control
It makes after the light beam that second back light unit or third back light unit issue is reflected described in being emitted to by first aperture
Display panel.
8. backlight module according to claim 2, which is characterized in that the optical module is located at first aperture and institute
It states between functional module group, there are 45 degree of angle settings between the optical module and the functional module group.
9. backlight module described in any one of -8 according to claim 1, which is characterized in that the optical module can correspond to institute
Other back light units are stated rotate or mobile adjustment, thus control the light beam of other back light units transmitting by it is described extremely
A few back light unit.
10. a kind of electronic equipment, which is characterized in that including display panel, be arranged in the display panel back side as right is wanted
It seeks backlight module described in 1-9 any one and the functional module group at the backlight module back side is set, the backlight module is used
In providing light beam to the display panel, the functional module group can be received by the backlight module and display panel and/or
Emit light beam, for two dimension or the identification of three-dimensional characteristics of objects, perhaps two dimension or three-dimensional Image Rendering or for taking pictures or
Recorded video, wherein the display panel is liquid crystal display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920082429.8U CN209707878U (en) | 2019-01-16 | 2019-01-16 | Electronic equipment and backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920082429.8U CN209707878U (en) | 2019-01-16 | 2019-01-16 | Electronic equipment and backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209707878U true CN209707878U (en) | 2019-11-29 |
Family
ID=68640066
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920082429.8U Active CN209707878U (en) | 2019-01-16 | 2019-01-16 | Electronic equipment and backlight module |
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| Country | Link |
|---|---|
| CN (1) | CN209707878U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109739049A (en) * | 2019-01-16 | 2019-05-10 | 柳州阜民科技有限公司 | Electronic equipment and backlight module |
-
2019
- 2019-01-16 CN CN201920082429.8U patent/CN209707878U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109739049A (en) * | 2019-01-16 | 2019-05-10 | 柳州阜民科技有限公司 | Electronic equipment and backlight module |
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