CN108469704A - A kind of illuminating module being hidden in below mobile phone screen - Google Patents
A kind of illuminating module being hidden in below mobile phone screen Download PDFInfo
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- CN108469704A CN108469704A CN201810425184.4A CN201810425184A CN108469704A CN 108469704 A CN108469704 A CN 108469704A CN 201810425184 A CN201810425184 A CN 201810425184A CN 108469704 A CN108469704 A CN 108469704A
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- light
- mobile phone
- hidden
- component
- conducting member
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- 238000003384 imaging method Methods 0.000 claims abstract description 55
- 239000011521 glass Substances 0.000 claims abstract description 33
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 31
- 230000003287 optical effect Effects 0.000 claims description 24
- 230000001788 irregular Effects 0.000 claims description 5
- 238000003331 infrared imaging Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000005286 illumination Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 210000003128 head Anatomy 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012634 optical imaging Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 208000008303 aniridia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
Abstract
The invention discloses a kind of illuminating modules being hidden in below mobile phone screen, including screen component, the miniature backlight illuminating system being installed in below screen component, the screen component includes glass cover-plate, the LCD liquid crystal display screen being set to below glass cover-plate, the light guide plate for illuminating LCD liquid crystal display screen being set to below LCD liquid crystal display screen, the second through-hole is offered among the light guide plate, second illuminated component can be set below light conducting member as needed and realize illumination effect, imaging system can also be set below light conducting member and realize flash of light and imaging integrated function.The configuration of the present invention is simple, at low cost, service life is high and good reliability, can eliminate can be used for common LCD touch display screens due to the stain caused by light guide plate trepanning on display screen simultaneously, it can be used for flash lamp, illuminating module under the screens such as iris recognition or 3D imaging arrangement light.
Description
Technical field
The present invention relates to a kind of flash lamp modules, are to be related to a kind of hair being hidden in below mobile phone screen more specifically
Optical mode group.
Background technology
When people are often in night or ambient light effect not using camera when either video camera is shot
Under conditions of good, thus usually require to be equipped with auxiliary appliance to enhance lighting effects, and flash lamp is as a kind of common light
Reinforcing device has been widely used in photography art.With the raising that user requires photographic effects, in photographic goods
The requirement of flash lamp also accordingly improves, and the flash lamp module for mobile phone of existing prevalence on the market is traditionally arranged to be naked eyes
It can be seen that, the aesthetics of mobile phone, especially front camera are more influenced, flash of light plus imaging arrangement are generally taken, this
Sample can cause the front-laid screen of mobile phone to will appear apparent two shooting parts.
With face or iris recognition mobile phone increased popularity, while increasing face or iris recognition camera head, it is also desirable to
Trepanning, we therefore see that face or iris recognition mobile phone compared with the mobile phone without face or iris identifying function, meeting
See a trepanning more.However mobile phone user is often not intended to see excessive trepanning on mobile phone, since face or iris are known
Increased trepanning naked eyes on other mobile phone as it can be seen that in turn, the Position Design of newly-increased trepanning is not easy to meet the appearance demand of user,
The difficulty of cell phone appearance design is increased, while having seriously affected experience effect of the user to face or iris recognition mobile phone.
In addition application No. is 201610804827.7 Chinese invention patent applications to disclose a kind of face or iris recognition
The glass cover-plate and mobile phone of mobile phone comprising glass cover-plate, the position that the glass cover-plate corresponds to iris camera are provided with plating
Film, the plated film can penetrate the black light that the iris camera needs, and the color that is presented of the plated film with it is described
The color of glass cover-plate is identical.The glass cover-plate of above-mentioned face or iris recognition mobile phone avoids face or iris recognition hand
Increased macroscopic trepanning on machine, and the glass cover-plate solid colour of plated film and mobile phone so that seem and taken the photograph with aniridia
As when head, the difficulty of cell phone appearance design is reduced.
However setting is easy to form aberration at different temperature or illumination with color plated film on glass cover-plate, to plating
The technology of film is more demanding, is not easy to production and prepares.
Current mobile phone screen generally uses common LCD display, then the backlight module due to illuminating display screen
Light guide plate (some micro-structures of its bottom surface) can be in the light to the identification module generation of the figure of lower section, therefore light guide plate is in fingerprint
It identifies that the position of the surface of optical imagery module needs out a hole, allows the light of fingerprint lower epidermis that can pass through backlight mould
Group simultaneously carries out imaging identification by the imaging len of lower section.So since light guide plate position of opening cannot be to the LCD of surface
Screen is illuminated, and an apparent stain is will appear on display screen.
Invention content
To overcome drawbacks described above in the prior art, the present invention to provide a kind of luminous mould being hidden in below mobile phone screen
Group, at low cost, service life is high and good reliability, can be eliminated simultaneously due to caused by light guide plate trepanning on display screen
Stain can be used for common LCD touch display screens, it can be achieved that flash of light and imaging integration, can be used for flash lamp, and iris is known
Illuminating module under the screens such as other or 3D imaging arrangement light.
To achieve the above object, the present invention provides a kind of illuminating module being hidden in below mobile phone screen, including screen structure
Part, the miniature backlight illuminating system being installed in below screen component, the miniature backlight illuminating system includes for adjusting light
Light conducting member, be installed in light conducting member side for generating the first illuminated component of light, the screen component includes glass
Glass cover board, the LCD liquid crystal display screen being set to below glass cover-plate are set to below LCD liquid crystal display screen and are used to illuminate
The light guide plate of LCD liquid crystal display screen offers the second through-hole among the light guide plate, and the light guide plate is set to light conducting member
Top, the light conducting member include the loudspeaker for limiting lens structure field angle or light transmission for being set to top center position
Mouthful and to the catoptric arrangement that light is reflected, the catoptric arrangement, which is set, to be independently placed in light conducting member bottom or is set to leaded light
Member bottom section is simultaneously integrally formed with light conducting member, and the catoptric arrangement includes inclined fully reflecting surface from interior top to outer lower side.
Preferably, the fully reflecting surface includes multiple miniature sloping reflectors, the miniature sloping reflector inclines
Rake angle is correspondingly tapered into from interior top to outer lower side with fully reflecting surface.
Preferably, further include the light-distribution lens being set to below light conducting member, be installed in below light-distribution lens
Two illuminated components.
Preferably, the miniature backlight illuminating system further includes the diffraction optics member being installed in above light conducting member
Part.
Preferably, second illuminated component is laser diode or IR LED infrared light sources.
Preferably, being provided with diffraction optical element among the light conducting member.
Preferably, further including the imaging system being installed in miniature backlight illuminating system.
Preferably, the imaging system includes the lens structure for imaging, the screening being installed in above lens structure
Mating plate, the infrared filter being installed in below lens structure, the image for receiving image being installed in below infrared filter
Sensor, the anti-dazzling screen offer first through hole.
Preferably, the lens structure is optical lens component, the optical lens component is that aspherics is saturating
Mirror, diffraction optics toroidal lens or Fresnel toroidal lens.
Preferably, the illuminated component is infrared LED, described image sensor is infrared imaging sensor.
Preferably, being also provided with high reflecting assembly below the light conducting member, the high reflecting assembly is independently set
It is placed in below light conducting member or is integrally formed with light conducting member.
Preferably, the high reflecting assembly can also include the micro-structure for mixed light
Preferably, the quantity of the lens structure is one, may be two or more.
Preferably, the light conducting member be circle, may be ellipse, rectangular, lune, polygon or
Irregular figure.
Preferably, first illuminated component is several LED light sources, and several laser light sources, several white lights
LED light source and the combination of IR LED infrared light sources or several white LED light sources and color LED light source combination.
Compared with prior art, the beneficial effects of the present invention are：
The present invention includes screen component, the miniature backlight illuminating system being installed in below screen component, the screen component
Including glass cover-plate, the LCD liquid crystal display screen being set to below glass cover-plate is set to below LCD liquid crystal display screen and is used for
The light guide plate of LCD liquid crystal display screen is illuminated, the second through-hole, the miniature backlight illuminating system are offered among the light guide plate
Include the light conducting member for adjusting light, be installed in the first illuminated component for generating light of light conducting member side,
The light conducting member includes the horn mouth for limiting lens structure field angle for being set to top center position, is opened in loudspeaker
Catoptric arrangement below mouth, the catoptric arrangement are to be totally reflected micro-structure or total reflection micro-structure and refraction structure, can basis
It needs that the second illuminated component realization illumination effect is arranged below light conducting member, imaging can also be set below light conducting member
System realizes flash of light and imaging integrated function.The configuration of the present invention is simple, at low cost, service life is high and good reliability, same
When can eliminate and can be used for common LCD touch display screens due to the stain caused by light guide plate trepanning on display screen, can
For flash lamp, illuminating module under the screens such as iris recognition or 3D imaging arrangement light.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of flash lamp module being hidden in below mobile phone screen and screen structure that the embodiment of the present invention one provides
The structural schematic diagram of part cooperation；
Fig. 2 is the enlarged drawing in the portions A in Fig. 1；
Fig. 3 is a kind of flash lamp module being hidden in below mobile phone screen provided by Embodiment 2 of the present invention and screen structure
The structural schematic diagram of part cooperation；
Fig. 4 is a kind of flash lamp module being hidden in below mobile phone screen provided by Embodiment 2 of the present invention and screen structure
The structural schematic diagram of part cooperation；
Fig. 5 is a kind of flash lamp module being hidden in below mobile phone screen and screen structure that the embodiment of the present invention four provides
The structural schematic diagram of part cooperation；
Fig. 6 is a kind of iris recognition module and screen being hidden in below mobile phone screen that the embodiment of the present invention four provides
The structural schematic diagram of component cooperation.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without creative efforts, subordinate is in the scope of protection of the invention.
The embodiment of the present invention provides a kind of illuminating module being hidden in below mobile phone screen.
Embodiment one
It please refers to Fig.1 and Fig. 2, the present invention provides a kind of flash lamp module being hidden in below mobile phone screen, including screen
Component, the miniature backlight illuminating system being installed in below screen component, the screen component include glass cover-plate 1410b, setting
LCD liquid crystal display 1420b below glass cover-plate 1410b are set to below LCD liquid crystal display screen 1420b and are used to shine
The light guide plate 1430b of bright LCD liquid crystal displays offers the second through-hole 1431b, the miniature backlight among the light guide plate
Lighting system includes the light conducting member 1440b for adjusting light, the light-distribution lens being set to below light conducting member 1440b
1460b is installed in the second illuminated component 1480b, the second illuminated component 1480b below light-distribution lens 1460b for real
The flash effect of existing flash lamp is installed in the first illuminated component for generating light of the sides light conducting member 1440b
For being lighted to the illumination of mobile phone screen, the light conducting member 1440b includes setting by 1490b, the first illuminated component 1490b
It is placed in the horn mouth 1443b for limiting light-distribution lens 1460b field angles of top center position, is opened in horn mouth 1443b
The catoptric arrangement 1442b of lower section, the catoptric arrangement 1442b are fully reflecting surface, and the fully reflecting surface includes multiple miniature inclining
The angle of inclination in oblique reflection face, the miniature sloping reflector is correspondingly gradual from interior top to outer lower side with fully reflecting surface
Become smaller.
The horn mouth 1443b is the aperture diaphragm of the second illuminated component 1480b, and aperture diaphragm allows the second luminous structure
The light that part 1480b is sent out sequentially passes through light-distribution lens 1460b, the second through-hole 1431b, LCD liquid crystal display screen 1420b, glass
Cover board 1410b is finally emitted to when camera is taken pictures from glass cover plate surfaces 1411b in visual field.
The light that light-distribution lens 1460b sends out the second illuminated component 1480b of lower section carries out light distribution, in bottom
Meta position is set there are two shallower step, and the light of light distribution directly scatters and optical axis Z1Z2At the beam angle of 2 ω, bottom is close
The part of outer ring is made of the deeper zigzag ring grain of multi-turn, by the way of intersecting light distribution, the light of light distribution to
Centre is assembled, and is then shattered into and optical axis Z1Z2At the beam angle of 2 ω.The beam angle of 2 ω, covering camera are taken pictures
When visual field diagonal line be formed by field angle.
Embodiment two
Referring to FIG. 3, the present invention provides a kind of flash lamp module being hidden in below mobile phone screen, including screen component,
Miniature backlight illuminating system and the imaging system being installed in below screen component, the screen component include glass cover-plate 1410,
It is set to the LCD liquid crystal display screen 1420 of 1410 lower section of glass cover-plate, is set to being used for for 1420 lower section of LCD liquid crystal display screen
The light guide plate 1430 of LCD liquid crystal display screen 1420 is illuminated, the second through-hole 1431 is offered among the light guide plate 1430, it is described
Miniature backlight illuminating system includes the light conducting member 1440 for adjusting light, is installed in being used for for 1440 side of light conducting member
The first illuminated component 1490 of light is generated, first illuminated component 1440 can do flash lamp use, simultaneously for machine screen
Realize that illumination is lighted, the imaging system is installed in 1440 lower section of light conducting member, and the imaging system includes for imaging
Lens structure 1460 is installed in the anti-dazzling screen of 1460 top of lens structure, is installed in the infrared filtering of 1460 lower section of lens structure
Piece 1470, is installed in the imaging sensor 1780 for receiving image of 1470 lower section of infrared filter, and the anti-dazzling screen opens up
Have a first through hole, the light conducting member 1440 include be set to top center position for limiting 1460 visual field of lens structure
The horn mouth 1443 at angle, is opened in the catoptric arrangement 1442 of 1443 lower section of horn mouth, and the catoptric arrangement 1442 is total reflection
Face, the fully reflecting surface include multiple miniature sloping reflectors, and the angle of inclination of the miniature sloping reflector is with fully reflecting surface
Correspondingly tapered into from interior top to outer lower side.
The horn mouth 1443 is connected to the first through hole of anti-dazzling screen, becomes the aperture diaphragm of lens structure 1460, aperture
Diaphragm allows to be imaged light in the imaging sensor 1480 that lens structure 1460 is imaged onto below, and blocks field angle
Except light enter in lens structure 1460.
The infrared filter only allows light of the wavelength between 380nm~760nm to filter out infrared light
Line by infrared filter and can be imaged onto in imaging sensor 1480.
The light sent out from the first illuminated component 1490, from light conducting member side 1441 by described in light conducting member 1440
After the total reflection of catoptric arrangement 1442 and light distribution below intermediate position, the full angle covered and optical axis of output light
Z1Z2At 2 ω, i.e. output light uniform light distribution in 2 ω of full-shape.2 ω of full-shape just covers imaging lens module
The 1460 cornerwise maximum field of view angle of shooting picture, and the uniformity of illuminance in its four corners will reach 40%.
The lens structure 1460 is the pick-up lens module built in screen, by two aspherical plastic lens
Composition, may be other quantity, and image-forming range is remotely located, rather than positioned at the upper surface of touched panel glass cover board
1411 positions.
The also included imaging system being installed in below miniature backlight illuminating system, imaging system are set in the present embodiment
It sets and can reach flash of light and imaging integrated function.
The lens structure 1460 is optical lens component, and the optical lens component is aspherics lens,
Can be diffraction optics toroidal lens or Fresnel toroidal lens.
In the present embodiment, the light conducting member 1440 is preferably circular, may be ellipse, rectangular, triangle,
Polygon or irregular figure.
In the present embodiment, first illuminated component is several LED light sources, may be several laser light sources,
Several white LED light sources and the combination of IR LED light sources or several white LED light sources and color LED light source combination.
Embodiment three
Referring to FIG. 4, the present invention provides a kind of 3D imaging arrangement optical mode groups being hidden in below mobile phone screen, including screen
Curtain component, the miniature backlight illuminating system being installed in below screen component, the screen component includes glass cover-plate 1510b, if
The LCD liquid crystal display 1520b being placed in below glass cover-plate 1510b, are set to below LCD liquid crystal display screen 1520b and are used for
The light guide plate 1530b of LCD liquid crystal displays is illuminated, the second through-hole 1531b, the miniature back of the body are offered among the light guide plate
Lighting system includes the light conducting member 1540b for adjusting light, the diffraction optical element being installed among light conducting member
1550b, the collimation lens 1560b being set to below light conducting member 1540b, the second hair being installed in below collimation lens 1560b
Light component 1580b, the second illuminated component being installed in below collimation lens, second illuminated component are laser diode,
The laser diode realizes mobile phone flashlight function, be installed in the sides light conducting member 1540b for generating the first of light
Illuminated component 1590b, the first illuminated component 1590b are for lighting the illumination of mobile phone screen, the light conducting member
1540b includes the horn mouth 1543b for limiting lens structure field angle for being set to top center position, is opened in loudspeaker
Catoptric arrangement 1542b, the catoptric arrangement 1542b below mouth 1543b are fully reflecting surface, and the fully reflecting surface includes multiple
Miniature sloping reflector, the angle of inclination of the miniature sloping reflector is with fully reflecting surface correspondingly from interior top under outer
Side tapers into.
The horn mouth 1543b is the aperture diaphragm of the second illuminated component 1580b, and aperture diaphragm allows the second luminous structure
The light that part 1580b is sent out sequentially passes through collimation lens 1560b, diffraction optical element 1550b, the second through-hole 1531b, LCD liquid
Crystal display screen 1520b, glass cover-plate 1510b are finally emitted to when camera is taken pictures from glass cover plate surfaces 1511b in visual field.
Laser diode, which emits beam, is equilibrated at optical axis Z1Z2It is incident on collimation lens 1560b, the diffraction optical element
1550b will carry out diffraction by semiconductor laser incident after collimation lens 1560b collimations, and required knot is formed after diffraction
Structure light pattern is irradiated to the body surface for two-dimensional measurement.
The setting of the miniature backlight illuminating system is for additional illumination due to LCD liquid crystal display screen 1520b light guide plates
Stain caused by the trepanning of 1530b.
Example IV
Referring to FIG. 5, the present invention provides a kind of 3D imaging arrangement light optical mode groups being hidden in below mobile phone screen, including
Screen component, miniature backlight illuminating system and the imaging system being installed in below screen component, the screen component includes glass
Cover board 1510 is set to the LCD liquid crystal display screen 1520 of 1510 lower section of glass cover-plate, is set under LCD liquid crystal display screen 1520
Side for illuminating the light guide plate 1530 of LCD liquid crystal display screen 1520, offer the second through-hole among the light guide plate 1530
1531, the miniature backlight illuminating system includes the light conducting member 1540 for adjusting light, is installed in 1540 side of light conducting member
First illuminated component 1590 for generating light in face, first illuminated component 1540 can do flash lamp use, while right
Mobile phone screen realizes that illumination is lighted, and the imaging system is installed in 1540 lower section of light conducting member, and the imaging system includes being used for
The lens structure 1560 of imaging is installed in the anti-dazzling screen of 1560 top of lens structure, is installed in the red of 1560 lower section of lens structure
Outer filter plate 1570 is installed in the imaging sensor 1580 for receiving image of 1570 lower section of infrared filter, the screening
Mating plate offers first through hole, the light conducting member 1540 include be set to top center position for limiting lens structure
The horn mouth 1543 of 1560 field angles, is opened in the catoptric arrangement 1542 of 1543 lower section of horn mouth, and the catoptric arrangement 1542 is
Fully reflecting surface, the fully reflecting surface include multiple miniature sloping reflectors, full the angle of inclination of the miniature sloping reflector with
Reflecting surface is correspondingly tapered into from interior top to outer lower side.
The horn mouth 1543 is connected to the first through hole of anti-dazzling screen, becomes the aperture diaphragm of lens structure 1560, aperture
Diaphragm allows to be imaged light in the imaging sensor 1580 that lens structure 1560 is imaged onto below, and blocks field angle
Except light enter in lens structure 1560.
The infrared filter 1570 only allows wavelength between 380nm~760nm to filter out infrared light
Light by infrared filter 1570 and can be imaged onto in imaging sensor 1580.
The light sent out from the first illuminated component 1590, from light conducting member side 1541 by described in light conducting member 1540
After the catoptric arrangement 1542 of taper is collimated below intermediate position, light is equilibrated at optical axis Z1Z2It is incident on diffraction optics member
In part 1550, light incident after collimation is carried out diffraction by the diffraction optical element 1550b, is formed after diffraction required
Structured light patterns are irradiated to the body surface for two-dimensional measurement.
The lens structure 1560 is the pick-up lens module built in screen, by the aspherical plastic lens of three pieces
Composition, image-forming range is remotely located, rather than positioned at 1511 position of upper surface of touched panel glass cover board.It is to distant place quilt
The object of structure light irradiation is imaged, since irradiated object is three-dimensional, different position, the reflectogram of structure light
Case has different deformations, the case where deformation according to structured light patterns, by image procossing, can calculate the three-dimensional of object
The space pattern in space.
The setting of the miniature backlight illuminating system is for additional illumination due to 1520 light guide plate of LCD liquid crystal display screen
Stain caused by 1530 trepanning.
The lens structure 1560 is the pick-up lens module built in screen, by two aspherical plastic lens
Composition, may be other quantity, and image-forming range is remotely located, rather than positioned at the upper surface of touched panel glass cover board
1511 positions.
The also included imaging system being installed in below miniature backlight illuminating system, imaging system are set in the present embodiment
It sets and flash of light and imaging integrated function can be achieved.
The lens structure 1560 is optical lens component, and the optical lens component is aspherics lens,
Can be diffraction optics toroidal lens or Fresnel toroidal lens.
In the present embodiment, the light conducting member 1540 is preferably circular, may be ellipse, rectangular, triangle,
Polygon or irregular figure.
Embodiment five
Referring to FIG. 6, the present invention provides a kind of face or iris recognition module for below mobile phone screen, including it is micro-
Type backlight illuminating system and the imaging system being installed in miniature backlight illuminating system, the miniature backlight illuminating system include
Light conducting member 1640 for adjusting light is installed in the first luminous structure for generating light of 1640 side of light conducting member
Part 1690, first illuminated component 1690 are infrared LED, and first illuminated component 1690 is more infrared LEDs, described
Imaging system includes the imaging len 1660 for imaging, is installed in the anti-dazzling screen 1650 of 1660 top of imaging len, is installed in
The imaging sensor 1680 for receiving image of 1660 lower section of imaging len, described image sensor 1680 are infrared imaging
Sensor, the anti-dazzling screen 1650 offer first through hole, and the structure feature of iris is imaged by the imaging system,
Then carry out image procossing and signature analysis, the light conducting member 1640 include be set to top center position for limiting
The horn mouth 1643 of 1660 field angle of imaging len is opened in the catoptric arrangement 1642 of 1643 lower section of horn mouth, is installed in miniature
Screen component above backlight illuminating system, the screen component includes glass cover-plate 1610, is set to glass cover-plate 1610
The LCD liquid crystal display screen 1620 of lower section is set to below LCD liquid crystal display screen 1620 and is used to illuminate LCD liquid crystal display screen
1620 light guide plate 1630 offers the second through-hole 1631 among the light guide plate 1630, and the light guide plate 1630, which is set to, leads
1640 top of light component.
The catoptric arrangement 1642 is fully reflecting surface, and the fully reflecting surface includes multiple miniature sloping reflectors, described micro-
The angle of inclination of type sloping reflector is correspondingly tapered into from interior top to outer lower side with fully reflecting surface.
Human eye is located at the distance of iris recognition module about 2cm~5cm, and the catoptric arrangement enters infrared LED 1690
The infrared light penetrated is irradiated to the position of the required human eye iris illuminated, after people's eye iris illuminates, represents iris structure spy
The reflection light of sign passes through the aperture among the light conducting member 1640 of the annular, enter in the imaging system of lower section progress at
Picture.
In other embodiments, the band saw dentation micro-structure on the catoptric arrangement 1642 can make the platform of transmission-type into
Terrace, or by band saw dentation structure setting at including vertical projection surface and total reflection inclined-plane.
In other embodiments, it is also provided with high reflecting assembly below the light conducting member, the high reflecting assembly is only
It erects and is placed in below light conducting member or is integrally formed with light conducting member.
In other embodiments, the high reflecting assembly can also include the micro-structure for mixed light.
In the present embodiment, the quantity of the imaging len is preferably one, may be two or more.
In the present embodiment, the imaging len is optical imaging lens, and the optical imaging lens are that aspherics is saturating
Mirror may be diffraction optics toroidal lens or Fresnel toroidal lens.
In the present embodiment, the light conducting member is circle, certainly, may be set to be ellipse according to actual needs, side
Shape, triangle, polygon or irregular figure.
In the present embodiment, first illuminated component is several LED light sources, may be several laser light sources,
Several white LED light sources and the combination of IR LED light sources or several white LED light sources and color LED light source combination.
In conclusion the configuration of the present invention is simple, at low cost, service life is high and good reliability, can eliminate simultaneously
Due to the stain caused by light guide plate trepanning on display screen, can be used for common LCD touch display screens, it can be achieved that flash of light and
Imaging integration, can be used for flash lamp, illuminating module under the screens such as iris recognition or 3D imaging arrangement light.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by change, modification, substitute, combination, letter
Change, should be equivalent substitute mode, be included within the scope of the present invention.
Claims (16)
1. a kind of illuminating module being hidden in below mobile phone screen, including screen component are installed in miniature below screen component
Backlight illuminating system, it is characterised in that：The miniature backlight illuminating system includes the light conducting member for adjusting light, is installed in
The first illuminated component for generating light of light conducting member side, the light conducting member includes being set to top center position
Horn mouth for limiting lens structure field angle or light transmission and the catoptric arrangement for being reflected light, the reflection knot
Structure, which is set, to be independently placed in light conducting member bottom or is set to light conducting member bottom and is integrally formed with light conducting member, the catoptric arrangement
Including the inclined fully reflecting surface from interior top to outer lower side.
2. a kind of illuminating module being hidden in below mobile phone screen according to claim 1, it is characterised in that：It is described to be all-trans
The face of penetrating includes multiple miniature sloping reflectors, and the angle of inclination of the miniature sloping reflector is with fully reflecting surface correspondingly from interior
Top is tapered into outer lower side.
3. a kind of illuminating module being hidden in below mobile phone screen according to claim 1, it is characterised in that：Further include setting
The light-distribution lens being placed in below light conducting member, the second illuminated component being installed in below light-distribution lens.
4. a kind of illuminating module being hidden in below mobile phone screen according to claim 3, it is characterised in that：It is described miniature
Backlight illuminating system further includes the diffraction optical element being installed in above light conducting member.
5. a kind of illuminating module being hidden in below mobile phone screen according to claim 4, it is characterised in that：Described second
Illuminated component is laser diode or IR LED infrared light sources.
6. a kind of illuminating module being hidden in below mobile phone screen according to claim 5, it is characterised in that：The leaded light
Diffraction optical element is provided among component.
7. a kind of illuminating module being hidden in below mobile phone screen according to claim 1, it is characterised in that：It further include dress
Imaging system in miniature backlight illuminating system.
8. a kind of illuminating module being hidden in below mobile phone screen according to claim 7, it is characterised in that：The imaging
System includes the lens structure for imaging, the anti-dazzling screen being installed in above lens structure, is installed in red below lens structure
Outer filter plate, the imaging sensor for receiving image being installed in below infrared filter, the anti-dazzling screen offer first
Through-hole.
9. a kind of illuminating module being hidden in below mobile phone screen according to claim 8, it is characterised in that：The camera lens
Component is optical lens component, and the optical lens component is aspherics lens, diffraction optics toroidal lens or Fresnel
Toroidal lens.
10. a kind of illuminating module being hidden in below mobile phone screen according to claim 8, it is characterised in that：The mirror
The quantity of head component is one, two or more.
11. a kind of illuminating module being hidden in below mobile phone screen according to claim 1, it is characterised in that：It is described to lead
Light component is circle, ellipse, rectangular, lune, polygon or irregular figure.
12. a kind of illuminating module being hidden in below mobile phone screen according to claim 1, it is characterised in that：Described
One illuminated component be several LED light sources, several laser light sources, several white LED light sources and IR LED light sources combination or
Several white LED light sources and color LED light source combination.
13. a kind of illuminating module being hidden in below mobile phone screen according to claim 8, it is characterised in that：The hair
Light component is infrared LED, and described image sensor is infrared imaging sensor.
14. a kind of illuminating module being hidden in below mobile phone screen according to claim 13, it is characterised in that：It is described to lead
Be also provided with high reflecting assembly below light component, the high reflecting assembly be independently disposed to below light conducting member or with guide-lighting structure
Part is integrally formed.
15. a kind of illuminating module being hidden in below mobile phone screen according to claim 14, it is characterised in that：The height
Reflecting assembly can also include the micro-structure for mixed light.
16. according to a kind of illuminating module being hidden in below mobile phone screen of claim 1~15 any one of them, feature exists
In：The screen component includes glass cover-plate, and the LCD liquid crystal display screen being set to below glass cover-plate is set to LCD liquid crystals
Below display screen for illuminating the light guide plate of LCD liquid crystal display screen, offer the second through-hole, the leaded light among the light guide plate
Plate is set to above light conducting member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810425184.4A CN108469704A (en) | 2018-05-03 | 2018-05-03 | A kind of illuminating module being hidden in below mobile phone screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810425184.4A CN108469704A (en) | 2018-05-03 | 2018-05-03 | A kind of illuminating module being hidden in below mobile phone screen |
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| Publication Number | Publication Date |
|---|---|
| CN108469704A true CN108469704A (en) | 2018-08-31 |
Family
ID=63260175
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810425184.4A Pending CN108469704A (en) | 2018-05-03 | 2018-05-03 | A kind of illuminating module being hidden in below mobile phone screen |
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