CN109739049A - Electronic equipment and backlight module - Google Patents
Electronic equipment and backlight module Download PDFInfo
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- CN109739049A CN109739049A CN201910041431.5A CN201910041431A CN109739049A CN 109739049 A CN109739049 A CN 109739049A CN 201910041431 A CN201910041431 A CN 201910041431A CN 109739049 A CN109739049 A CN 109739049A
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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 96
- 239000004973 liquid crystal related substance Substances 0.000 claims description 71
- 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
- 238000000034 method Methods 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 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
- 238000005507 spraying Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003331 infrared imaging Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The invention 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.Electronic equipment and backlight module of the present invention have preferable user experience.
Description
Technical field
The present invention relates to electronic technology field more particularly to the electronic equipments and backlight module of a kind of better user experience.
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.
Summary of the invention
The object of the present invention is to provide a kind of electronic equipment and backlight module with preferable display effect and user experience.
One aspect of the present invention discloses a kind of backlight module comprising multiple that display panel back side is arranged in
Back 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,
The 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 for making 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, so that control is the 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.
Optional volume, the optical module is between first aperture and the functional module group, the optical module
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.
One aspect of the present invention discloses a kind of electronic equipment, including display panel, setting in the display surface backboard
The backlight module as described in any one of above-mentioned in face and the functional module group that the backlight module back side is set, the back
For providing light beam to the display panel, the functional module group can be connect optical mode group by the backlight module and display panel
Light beam is received and/or emits, for two dimension or the identification of three-dimensional characteristics of objects, or the Image Rendering of two dimension or three-dimensional, Huo Zheyong
In taking pictures or recorded video, wherein the display panel is liquid crystal display panel.
One aspect of the present invention 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, described
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 back light units to be sent out
Light beam out passes through and reaches the liquid crystal display panel, and the backlight module further includes optical module, and the optical module can
Other corresponding described back light units are adjusted to control the light beam of other back light units transmitting by described at least one
A 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, adjacent to the first opening setting, functional module group can
Light beam is 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, backlight module and electronic equipment of the present invention have preferable user experience.
Detailed description of the invention
Fig. 1 is the schematic diagram of one embodiment of the present of invention；
Fig. 2 is the schematic diagram of one embodiment of the present of invention；
Fig. 3 is the schematic diagram of one embodiment of the present of invention；
Fig. 4 is the schematic diagram of one embodiment of the present of invention；
Fig. 5 is the schematic diagram of one embodiment of the present of invention；
Fig. 6 is the schematic diagram of one embodiment of the present of invention；
Fig. 7 a- Fig. 7 b is the schematic diagram of one embodiment of the present of invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
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 present of invention, a kind of backlight module includes multiple backlights that a display panel back side is arranged in
Unit.The back light unit is for issuing light beam to display panel.At least one back light unit can allow other back light units to be sent out
Light beam out passes through and reaches the display panel.It should be noted that multiple in the application refer to two or more.
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 present of invention, a kind of electronic equipment includes display module, and the display module includes display surface
Plate and the backlight module that the display panel back side is set.The backlight module includes multiple back light units, and the back light unit can
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 passes through.
In the change embodiment of the embodiment, the electronic equipment further includes the functional module group that the backlight module back side is arranged in,
Setting is close to the backlight module or is spaced to the functional module group, and the functional module group can be used for connecing by the display module
Receive light beam.
Referring to Fig. 1, electronic equipment 1 includes display module 10 and shell 20 in one embodiment of the present of invention.It is described aobvious
Show that mould group 10 is at least partially disposed in the shell 20.Generally, the display module 10 for user browse and operate one
Side is referred to as front, and opposite side is known as the back side.In other embodiments of the invention, the shell 20 includes bottom frame and/or side
Frame.In other embodiments of the invention, 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 aperture of corresponding second back light unit 13
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 is anti-including setting gradually in a change embodiment of the invention
Penetrate piece 121, light guide plate 122 and optical diaphragm 1201.The back light unit 12 further includes light source (not shown).The reflector plate
121, light guide plate 122, optical diaphragm 1201 have perforative first aperture 101 of corresponding second back light unit 13.It is described
The light beam 801 (together referring to Fig. 1) that second back light unit 13 issues can reach the liquid crystal by first aperture 101
Show panel 11 and can be emitted to outside the display module 10 by the liquid crystal display panel 11.
In the present invention other or change embodiment, the optical diaphragm 1201 may include one or more diffusion sheets, and one
The relative position of the combination of a or multiple prismatic lens or diffusion sheet and prismatic lens, the diffusion sheet and prismatic lens can have
Difference setting, such as diffusion sheet is arranged above prismatic lens or prismatic lens are arranged above diffusion sheet.
In a change embodiment of the invention, the electronic equipment further includes that the backlight module back side or lower section is arranged in
Functional module group, the functional module group are arranged adjacent to first aperture 101, and the light beam outside the display module 10 can pass through institute
State liquid crystal display panel 11, first aperture 101 reaches the functional module group.It is carried out when user holds the electronic equipment 1
When self-timer or video calling, the functional module group starts work by the operation to the electronic equipment 1 by user at this time.Outside
Portion's light beam 102 reaches functional module group by the display module 10, and the functional module group converts optical signals to digital signal simultaneously
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 are being shown in another embodiment of the present invention
The functional module group 30 at 10 back side of mould group.The display module 10 includes liquid crystal display panel 11 and is arranged in the LCD display
The backlight module (not indicating) at 11 back side of plate, the backlight module include optical module 31, the first back light unit 12 and setting
The second back light unit 13 below first back light unit 12.First back light unit 12 has and the functional module group
30 or corresponding first aperture 101 of optical module 31, the light beam that second back light unit 13 issues can pass through the optics
Component 31 and first aperture 101 reach the liquid crystal display panel 11, and can further pass through the LCD display
Plate 11 is emitted to outside, by after external object (such as: finger, face etc.) reflection by the liquid crystal display panel 11, described
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 present invention, the optical module 31 is arranged adjacent to first aperture 101 described first
Between aperture 101 and the functional module group 30, the functional module group 30 is arranged adjacent to the optical module 31.The optical module
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 the light
It learns on component 31, segment beam reaches outside display module 10 after being reflected through first aperture 101.At this point, reflected
Segment beam 103 be irradiated in objects outside after (such as: finger or face) is reflected by the liquid crystal display panel 11,
First aperture 101, the optical module 31 reach the functional module group 30.External beam can also pass through the liquid crystal display
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 one embodiment of the invention comprising display module 10 and setting are in display module
The functional module group 30 at 10 back sides, the display module include liquid crystal display panel 11 and backlight module, and the backlight module includes
First back light unit 12 and the second back light unit 13 of the multiple neighbouring functional module group 30 settings.First back light unit
12 have first aperture 101 corresponding with the functional module group 30, and the light beam that second back light unit 13 issues can pass through
First aperture 101 reaches the liquid crystal display panel 11, and can be further emitted by the liquid crystal display panel 11
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 image
Sensor module, such as, but not limited to: visible light image sensor or Infrared image sensors.The multiple second backlight list
Member 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 functional module group in another embodiment of the present invention
30, the display module 10 includes liquid crystal display panel 11, the first back light unit 12 and is arranged in below the first back light unit
Second back light unit 13, first back light unit 12 have first aperture 101 corresponding with second back light unit 13, institute
The light beam for stating the sending of the second back light unit 13 can reach the liquid crystal display panel 11 and can by first aperture 101
It is emitted to outside the display module 10 by the liquid crystal display panel 11, first back light unit 12 has and the function
Corresponding second aperture 102 of energy mould group 30, light beam 802 can be arrived by the liquid crystal display panel 11 and second aperture 802
Up to the functional module group.Wherein, light beam 802 can be the visible light or black light of external light source transmitting, can be from institute
It states the first back light unit 12 and/or the second back light unit 13 projects the reflected light after the light beam in external object reflects.
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, ultrasonic wave
One or more of.For example, in one embodiment of the invention, the light beam 801 that second back light unit 13 emits can
It simultaneously include infrared light and visible light.
In another embodiment of the present invention, the functional module group 30 can acquire two-dimensional image information and depth information, can use
In 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.Example
Such as, but not limited to: fingerprint recognition, iris recognition, face recognition, self-timer, video, videophone, video conference, live streaming, house knot
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 present invention, the display mould
Group 10 includes liquid crystal display panel 11 and backlight module, and the backlight module includes optical module 40, the first back light unit 12, the
Two back light units 13 and third back light unit 14.First back light unit 12 is arranged at 11 back side of liquid crystal display panel,
The optical module 40, the second back light unit 13 and third back light unit 14 are arranged below first back light unit 12, institute
State the first aperture 101 that the first back light unit 12 has the corresponding optical module 40, second back light unit 12, third back
The light beam 801,803 that light unit 14 emits is passed through first aperture 101, the liquid crystal after the optical module 40 reflection
Show that panel 11 reaches outside the display module 10.The light beam 801,803 can be visible light, black light, infrared light, purple
Outer light, electromagnetic wave, one or more of ultrasonic wave.Such as, but not limited to, the optical module 40 is with one or mostly anti-
Penetrate the prism or convex lens in face.Second back light unit 13, third back light unit 14 and the optical module 40 position and
Gauge is from can have a variety of different settings, such as, but not limited to: second back light unit 13, third back light unit 14 and institute
The distance for stating optical module 40 is 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 display module 10 and is arranged described in another embodiment of the present invention
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, the back
Optical mode group includes the first back light unit 12, the second back light unit 13 and third back light unit 14.First back light unit 12 is set
It sets in 11 back side of liquid crystal display panel, second back light unit 13 and the setting of third back light unit 14 in first back
12 lower section of light unit.First back light unit 12 has the first aperture 101 of corresponding second back light unit 13, corresponding institute
State the second aperture 102 of functional module group 30, and the third aperture 103 of the corresponding third back light unit 14.Second back
The light beam 801 that light unit 13 issues reaches the display module 10 by first aperture 101, the liquid crystal display panel 11
It is external.The light beam 803 that second back light unit 14 issues is arrived by the third aperture 103, the liquid crystal display panel 11
Up to outside the display module 10.External beam 802 reaches institute by the liquid crystal display panel 11, second aperture 102
State functional module group 30.The light beam 802 can be the visible light or black light of external light source sending, can also be the light beam
801,803 it is irradiated to the reflected light after emitting in external object.The present invention changes in embodiment, the light beam 801,802,
803 can be visible light, black light, infrared light, ultraviolet light, electromagnetic wave, one or more of ultrasonic wave.
Another embodiment of the invention also provides a kind of electronic equipment, the display module include liquid crystal display panel and
Backlight module, the backlight module include multiple back light units that LCD display back is arranged in, and the back light unit can
For issuing light beam to the liquid crystal display panel, the light beam that at least one back light unit can allow other back light units to issue is logical
Cross and reach the liquid crystal display panel, the backlight module further includes optical module, the optical module can correspond to it is described its
The light beam that his back light unit is adjusted to control other back light units transmitting passes through at least one described back light unit.
Another embodiment of the invention also provides a kind of electronic equipment, including display module, and the display module includes
Liquid crystal display panel and backlight module, shown backlight module include multiple back light units that LCD display back is arranged in,
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 display module further includes optical module, the optics group
Part can correspond to other described back light units and be adjusted to control the light beam of other back light units by described at least one
A back light unit.Please refer to Fig. 7 a and Fig. 7 b, in one embodiment of the present of invention, the electronic equipment includes 10 He of display module
The functional module group 30 and optical module 31 at 10 back side of display module are set.The display module 10 includes liquid crystal display panel 11
With the first back light unit 12 that 11 back side of liquid crystal display panel is set, and be arranged under first back light unit 12
The second back light unit 13, the third back light unit 14 of side.First back light unit 12 can allow second back light unit 13
The light beam issued with third back light unit 14 passes through.The optical module 31 can correspond to second back light unit 13 and third back
Light unit 14 is adjusted, thus control the light beam that second back light unit 13 or third back light unit 14 emit pass through it is described
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, quilt by the liquid crystal display panel 11
Pass through the liquid crystal display panel 11, first aperture 801 and described after external object (such as: finger, face etc.) reflection
Optical module 31 reaches the functional module group 30.The optical module 31 be it is adjustable, in the present embodiment, the optical module
31 can carry out rotation adjustment (dotted arrow is illustrated in such as Fig. 7 a and Fig. 7 b), to control second back light unit 13 or third
The light beam that 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 shown
Outside is emitted to by shown aperture 101, liquid crystal display panel 11 after the reflection of optical module 31.As shown in Figure 7b, third at this time
The light beam that back light unit 14 issues passes through the aperture 101, liquid crystal display panel after capable of reflecting via shown optical module 31
11 are emitted to outside.The optical module 31 can be the optical film with semi-transparent semi-reflecting characteristic, prism etc. or beam splitting
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 adjusts
For make second back light unit 13 transmitting infrared light by optical module 31 reflect and by the aperture 101,
Liquid crystal display panel 11 is emitted to outside, and can pass through the liquid crystal display panel 11, aperture after being reflected by external object
101, optical module 31 reaches 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 for 2,3,4 or more,
The present invention is with no restriction.The optical module 31 is such as, but not limited to rotation adjustment, or mobile adjustment, or it is mobile and
Rotation combination adjustment.Above-mentioned adjustment can for example be realized by micro motor.
In a change embodiment of the invention, the light beam 801,803 be can be between wave-length coverage 800nm~1000nm
Infrared light, for example, infrared floodlight or structure light.
In other embodiments of the invention, 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, can pass through TOF
(Time of Flight) or the modes such as structure light or binocular stereo imaging obtain object two-dimensional signal and/or depth information.
The present invention other or change embodiment in, second back light unit 13, third back light unit 13, functional module 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 for one or more.
In the present invention other or change embodiment, back light unit quantity that the display module 10 includes can be 2, or
Person 3 or other quantity.
In the present invention other or change embodiment, the functional module group 30 may include imaging sensor and/or corresponding
Lens, described image sensor can be color light sensor or infrared sensor.
In of the invention other or change embodiment, second back light unit 13 and/or third back light unit 14 can be wrapped
Include light-emitting component, light guide plate, diffusion sheet etc..
The present invention other or change embodiment in, stating liquid crystal display panel 11 may include the two substrates being oppositely arranged, setting
Liquid crystal layer between two substrate, the multiple thin film transistor (TFT)s being disposed on the substrate (Thin Film Transistor,
TFT), multiple grid lines, multiple data lines, multiple pixel electrodes etc., and its multiple pixel units in array distribution formed,
And data drive circuit, sequential control circuit, power circuit etc..
In of the invention other or change embodiment, the functional module group 30 can have multiple, the multiple functional module group
30 all or part of settings are at 10 back side of display module.First back light unit 12 has corresponding multiple functional module groups
30 multiple apertures.
In other embodiments of the invention, described first to 101,102,103 inner wall of third aperture is equipped with light shield layer, the screening
For photosphere for obstructing beam propagation, light beam can not pass through the light shield layer.The light shield layer is light screening material by plated film, is applied
It applies, the modes such as spraying are formed on the inside of the aperture, or the light shield layer is arranged in by modes such as stickups or clamping
The aperture inboard portion.
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..
In above-mentioned or other embodiments of the invention, the aperture 101,102,103 can be to be round, rectangular, ellipse etc.,
The present invention is simultaneously not particularly limited.The functional module group 30 and/or the second backlight 13 are at least partially disposed at corresponding first aperture
101 and second in aperture 102.
In other embodiments of the invention, the functional module group 30 is including lens and sensor square under a lens is arranged,
The light beam 802 is incident on the lens by the aperture 102 after liquid crystal display panel 11, then further to institute
State sensor.In change or other embodiments of the invention, the functional module group 30 includes lens, is arranged below the lens
Sensor and accommodate the cylinders of the lens and sensor.
In another embodiment of the present invention, the functional module group 30 is visible image capturing head, can be used for receiving visible light simultaneously
Generate correspondence image.The present invention 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, depending on
Frequently, videophone, video conference, live streaming etc.；Or drawn for two dimension or 3-D image, such as, but not limited to: building structure
It draws, mapping, hologram image etc.；Or identified for characteristics of objects, such as, but not limited to: fingerprint recognition, face recognition,
Iris recognition etc..It should be noted that the present invention is not limited thereto, any technical side obtained without creative work
Case, the deformation, replacement, change, combination etc. of including but not limited to some or all of embodiment of the present invention belong to guarantor of the present invention
Protect range.
In above-mentioned and other embodiment of the invention, the liquid crystal display panel 11 at least corresponds to described first and opens to third
The region in hole 101,102,103 allows light beam to pass through.For example, it is corresponding to control the liquid crystal display panel 11 by driving circuit
The gray scale voltage of the pixel in the region of the aperture makes corresponding light beam have maximum percent of pass or larger percent of pass
(Transmittance Ratio).In the other embodiment of the present invention, the liquid crystal display panel 11 at least corresponds to described first
It is transparent to the region of third aperture 101,102,103.
In the present invention other or change embodiment, electronic equipment can be mobile phone, tablet computer, smartwatch, and enhancing is existing
Reality/virtual reality device, human action detection device, autonomous driving vehicle, smart home device, security device, intelligence machine
People or other electronic equipments with Object identifying or Image Rendering function.
Compared to the prior art, electronic equipment of the present invention has the function of at least partly mould that the display module back side is arranged in
Group, electronic equipment front have more spaces for showing.Backlight module of the present invention can be used in above-mentioned electronic equipment, help
Functional module group is arranged at the display module back side.Electronic equipment and backlight module of the present invention have preferable user experience
" length " that is likely to occur in description of the invention, " width ", "upper", "lower", "front", "rear", " back side ", " just
The orientation or positional relationship of the instructions such as face ", "vertical", "horizontal", " top ", " bottom ", " inside ", " outside " is based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of the description embodiment of the present invention and simplify description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of invention.Similar label and letter indicate similar terms in the accompanying drawings, therefore, once determined in a certain Xiang Yi attached drawing
Justice does not need then that it is further defined and explained in subsequent attached drawing.Meanwhile in the description of the present invention, term
" first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.In description of the invention
In, " a variety of " or the meaning of " plurality " is at least two or two, unless otherwise specifically defined.Description of the invention
In, it is also necessary to explanation is unless specifically defined or limited otherwise, " setting ", " installation ", " connection " shall be understood in a broad sense,
It for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connection, be also possible to electricity
Connection；It can be and be directly connected to, be also possible to be indirectly connected with by intermediary, can be the connection inside two elements.It is right
For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Term used in claims, which should not be construed as to invent, is limited to this explanation
Specific embodiment disclosed in book.Therefore, protection scope of the present invention should be based on the protection scope of the described 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 4, 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
System be emitted to after the light beam that the second back light unit or third back light unit issue is reflected by first aperture described in
Display panel.
8. backlight module according to claim 2 or 5, which is characterized in that the optical module is located at first aperture
There are 45 degree of angle settings between the functional module group, 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, including display panel, be arranged in the display panel back side as claim 1-9 is any one
Backlight module described in item and the functional module group that the backlight module back side is arranged in, the backlight module is for providing light beam
To the display panel, the functional module group can be received by the backlight module and display panel and/or transmitting light beam, uses
In 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,
In, the display panel is liquid crystal display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910041431.5A CN109739049A (en) | 2019-01-16 | 2019-01-16 | Electronic equipment and backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910041431.5A CN109739049A (en) | 2019-01-16 | 2019-01-16 | Electronic equipment and backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109739049A true CN109739049A (en) | 2019-05-10 |
Family
ID=66365031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910041431.5A Withdrawn CN109739049A (en) | 2019-01-16 | 2019-01-16 | Electronic equipment and backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109739049A (en) |
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|---|---|---|---|---|
| US20090039241A1 (en) * | 2007-08-07 | 2009-02-12 | Hironori Ueki | Biometric device and information terminal |
| US20110148816A1 (en) * | 2009-12-17 | 2011-06-23 | Coretronic Corporation | Optical touch display apparatus |
| CN105760006A (en) * | 2015-11-17 | 2016-07-13 | 业成光电（深圳）有限公司 | Touch display device |
| CN108469704A (en) * | 2018-05-03 | 2018-08-31 | 东莞市美光达光学科技有限公司 | A kind of illuminating module being hidden in below mobile phone screen |
| CN109061922A (en) * | 2018-08-31 | 2018-12-21 | Oppo广东移动通信有限公司 | Display screen component and electronic equipment |
| CN209707878U (en) * | 2019-01-16 | 2019-11-29 | 柳州阜民科技有限公司 | Electronic equipment and backlight module |
-
2019
- 2019-01-16 CN CN201910041431.5A patent/CN109739049A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090039241A1 (en) * | 2007-08-07 | 2009-02-12 | Hironori Ueki | Biometric device and information terminal |
| US20110148816A1 (en) * | 2009-12-17 | 2011-06-23 | Coretronic Corporation | Optical touch display apparatus |
| CN105760006A (en) * | 2015-11-17 | 2016-07-13 | 业成光电（深圳）有限公司 | Touch display device |
| CN108469704A (en) * | 2018-05-03 | 2018-08-31 | 东莞市美光达光学科技有限公司 | A kind of illuminating module being hidden in below mobile phone screen |
| CN109061922A (en) * | 2018-08-31 | 2018-12-21 | Oppo广东移动通信有限公司 | Display screen component and electronic equipment |
| CN209707878U (en) * | 2019-01-16 | 2019-11-29 | 柳州阜民科技有限公司 | Electronic equipment and backlight module |
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Application publication date: 20190510 |