CN209460748U

CN209460748U - Display module and electronic equipment

Info

Publication number: CN209460748U
Application number: CN201790000148.2U
Authority: CN
Inventors: 李问杰
Original assignee: Shenzhen Sunwave Technology Co Ltd
Current assignee: Liuzhou Zibo Technology Co.,Ltd.
Priority date: 2017-08-17
Filing date: 2017-08-17
Publication date: 2019-10-01
Anticipated expiration: 2027-08-17
Also published as: WO2019033348A1

Abstract

It includes: display device, including a display panel that the utility model, which discloses a kind of display module and electronic equipment, the display module, is shown for executing image, and the second transmission region is equipped in the viewing area of the display panel；Photosensitive mould group is arranged below the display panel, including a photosensitive panel, for sensing the optical signal projected from second transmission region, to obtain the predetermined biological information in contact with or close to the target object of the display module；The photosensitive panel includes multiple sensor devices, and the sensor devices are located at below second transmission region.The electronic equipment includes the display module.

Description

Display module and electronic equipment

Technical field

The utility model relates to a kind of for sensing the display module and electronic equipment of biological information.

Background technique

Currently, biometric information sensor, especially fingerprint Identification sensor, have been increasingly becoming the electronic products such as mobile terminal Standard configuration component.Since optical fingerprint identification sensor specific capacitance formula fingerprint Identification sensor has stronger penetration capacity, Therefore it has been proposed that a kind of optical fingerprint applied to mobile terminal identifies mould group.As shown in Figure 1, the optical fingerprint identifies Mould group includes optical fingerprint sensor 400 and light source 402.Wherein, which is set to mobile terminal The lower section of cover sheet 401.The light source 402 closes on the side setting of the optical fingerprint identification sensor 400.When the hand of user When referring to F contact protection cover board 401, the optical signal that light source 402 issues passes through cover sheet 401 and reaches finger F, by finger F Valley and a ridge reflection after, received by optical fingerprint identification sensor 400, and form the fingerprint image of finger F.

So, above-mentioned optical finger print identification mould group can only limit to the presumptive area that mobile terminal is arranged in, such as mobile terminal Non-display area in, it is necessary to contacting the presumptive area just can be carried out fingerprint recognition, and use is still limited.It is therefore desirable to propose one Kind may be disposed in viewing area, and realize the structure of the fingerprint recognition of arbitrary region in viewing area.

Utility model content

The utility model embodiment aims to solve at least one of the technical problems existing in the prior art.For this purpose, this reality Need to provide a kind of display module and electronic equipment with novel embodiment.

The utility model embodiment proposes a kind of display module, comprising:

Display device, including a display panel, show for executing image, and the is equipped in the viewing area of the display panel Two transmission regions；

Photosensitive mould group is arranged below the display panel, including a photosensitive panel, for sensing from second light transmission The optical signal that region is projected, to obtain the predetermined biological information in contact with or close to the target object of the display module；Institute Stating photosensitive panel includes multiple sensor devices, and the sensor devices are located at below second transmission region.

Since target object different parts have differences the reflection of optical signal, adjacent sensor devices sense in photosensitive panel The optical signal measured can have aliasing, to cause the biological information obtained fuzzy, therefore the utility model embodiment By the way that anti-aliasing image-forming component is arranged on photosensitive panel, the sensing precision of photosensitive mould group is improved.

In addition, photosensitive mould group carries out the sense of the biological information of target object using the optical signal that display device issues It surveys, to save light source, reduces the cost of display module.

In some embodiments, the sensor devices face or the corresponding second transmission region setting.It so can be with Guarantee that the optical signal across the second transmission region is received by sensor devices, to improve the sensing precision of photosensitive mould group.

In some embodiments, the display panel includes multiple display pixels, and is set between adjacent display pixel There is second transmission region.

By the transmission region between adjacent display pixel, for being passed through through the reflected optical signal of target object, because This display pixel does not have to be used as transmission region, and sensor devices can sense the optical signal that display pixel adjacent thereto issues, Improve the sensing precision of photosensitive mould group.

In some embodiments, the display panel includes multiple transparence display pixels, and the multiple transparence display Pixel forms second transmission region.

The utility model embodiment utilizes the translucency of display pixel, carries out biological information sense to target object It surveys；And the photosurface of the sensor devices can be equal to the area of display pixel, and it is so not only hardened using existing display surface Biological information sensing can be realized in structure, reduces sensing cost, and guarantees in the optical signal of display pixel enough More optical signals are received by sensor devices, improve the sensing precision of photosensitive mould group.

In some embodiments, the light emission side of the display panel is equipped with CF film, and the CF film includes red, green Color and blue three kinds of photoresists, the optical signal for issuing the display pixel are filtered, and are correspondingly formed red, green and indigo plant Three kinds of optical signals of color；The sensor devices are located at the corresponding display pixel of the blue light resistance and/or the green photoresist is corresponding Display pixel below.

Since display panel is equipped with CF film, so that display pixel is corresponding to issue red, green, blue three kinds of optical signals, Therefore through the reflected optical signal of target object after the filtering of CF film, correspondence can obtain red, green, blue three kinds of light Signal.And ambient lighting, when being mapped on target object, such as finger, red environment light can penetrate target object, blue and green The environment light of color can be absorbed by target object.Therefore it is located under blue display pixels or green display pixels by sensor devices Side, can eliminate the interference of environment light, improve photosensitive mould group to the sensing precision of target object.

In some embodiments, the display pixel includes red, green, blue three kinds of display pixels.

In some embodiments, the display panel further comprises microresonator knot corresponding with the display pixel Structure；The sensor devices are located at below the red display pixel.

Since display panel has microresonator structure, it is single that display is passed through through the reflected optical signal of target object When first, red light signal will be reflected back by micro- resonator structure at red display pixel, only blue and green light letter It number passes through, so can effectively filter the red light signal for penetrating target object in environment light, be located at by sensor devices red It below color display pixel, can be interfered to avoid caused by red light signal in environment light etc., improve the sensing essence of photosensitive mould group Degree.

In some embodiments, the sensor devices are also located under the blue display pixels or green display pixels Side, and the sensor devices are equipped with filter coating, the filter coating is used to for the optical signal other than default wave band being filtered, and The setting of the default wave band is different with the difference of the placement location of the sensor devices.

In some embodiments, the sensor devices be located at red, green, in blue display pixels any one or It is multiple；The sensor devices are equipped with filter coating, and the filter coating is for the optical signal other than default wave band to be filtered.

In some embodiments, the photosensitive mould group further comprises filter coating, and the filter coating is set to described photosensitive On panel, for the optical signal other than default wave band to be filtered.

The utility model embodiment eliminates the interference of environment light, improves photosensitive mould group by the way that filter coating is arranged Sense precision.

In some embodiments, the photosensitive panel further comprises substrate, and the sensor devices are set to the base On bottom.

In some embodiments, the substrate is silicon base, metal substrate, printed circuit board or dielectric base.

In some embodiments, the display panel has display area；The photosensitive panel is for executing to display The biological information sensing of the target object of any position in the display area of panel；Alternatively, the photosensitive panel has sense Survey region, and the shape of the sensing region is consistent with the shape of the display area, the size of the sensing region be greater than or Equal to the size of the display area.

In some embodiments, the photosensitive mould group further comprises anti-aliasing image-forming component, the anti-aliasing imaging Element is between the display panel and the photosensitive panel, for preventing the received optical signal of adjacent sensor devices from occurring Aliasing.

The utility model embodiment on photosensitive panel by being arranged anti-aliasing image-forming component, it is therefore prevented that adjacent is photosensitive The received optical signal of device generates aliasing, improves the sensing precision of photosensitive mould group.

In some embodiments, the anti-aliasing image-forming component include extinction wall and by extinction walled at multiple One transmission region, corresponding at least 1 first transmission region of the sensor devices.

In some embodiments, first transmission region is uniformly distributed.Equally distributed transmission region makes anti-mixed The preparation process for building up element is simpler.

In some embodiments, the extinction wall includes the extinction block and keel of multiple alternately laminated settings.Pass through Keel and extinction block are stacked to form extinction wall, accelerate the processing procedure of anti-aliasing image-forming component, and ensure that anti-aliasing The anti-aliasing effect of image-forming component.

In some embodiments, the keel is made of transparent material.

In some embodiments, transparent material is filled in first transmission region.By being filled out in the first transmission region Transparent material is filled, the intensity of anti-aliasing image-forming component is not only increased, impurity is also can avoid and enters in the first transmission region and influence Translucent effect.

In some embodiments, the anti-aliasing image-forming component includes the light-absorption layer of the alternately laminated setting of multilayer and transparent Supporting layer；The light-absorption layer includes multiple spaced extinction blocks；The clear support layer is filled by transparent material to be formed, and The interval between the extinction block is filled together；Wherein the corresponding region in the interval forms the first transmission region, described photosensitive Device corresponds at least 1 first transmission region.

By the light-absorption layer and clear support layer of alternately laminated setting, so that the preparation of anti-aliasing image-forming component is simpler It is single, and ensure that the anti-aliasing effect of anti-aliasing image-forming component.

In some embodiments, the thickness of each layer of clear support layer is unequal.

In some embodiments, the thickness of the clear support layer successively increases.

By the thickness setting to clear support layer, avoid outside opposed substrate vertical direction offset predetermined angle range Optical signal passes through anti-aliasing image-forming component, to improve the anti-aliasing effect of anti-aliasing image-forming component.

In some embodiments, the anti-aliasing image-forming component is directly formed on the photosensitive panel；Alternatively, described After anti-aliasing image-forming component is individually formed, then it is set on the photosensitive panel.

In some embodiments, the display panel includes multiple display pixels, and the display device further comprises Display driver circuit carries out light when light sensing for use as the photosensitive mould group for driving the multiple display pixel to shine Source.

The utility model embodiment provides a kind of electronic equipment, the display module including above-mentioned any one embodiment.

In some embodiments, the electronic equipment further comprises a cover sheet, is executed in the electronic equipment When biological information senses, for being touched for a target object.

In some embodiments, the electronic equipment further comprises a touch sensor, and the touch sensor is used When Yu Yi target object contacts the cover sheet, the touch area of the target object is determined, with electronic device in institute It states and executes biological information sensing in touch area.

In some embodiments, the touch sensor perhaps with the cover sheet it is integrated or with the display Photosensitive panel in mould group is integrated, or integrated with the display panel in the display module.

Since the electronic equipment is due to the display module with any of the above-described structure, the institute with above-mentioned display module There is beneficial effect.

The additional aspect and advantage of the utility model embodiment will be set forth in part in the description, partially will be under Become obvious in the description in face, or is recognized by the practice of the utility model embodiment.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model embodiment are from combination following accompanying drawings to embodiment Description in will be apparent and be readily appreciated that, in which:

Fig. 1 is a kind of schematic diagram of optical profile type sensing structure applied to electronic equipment of the prior art；

Fig. 2 is the partial structural diagram of the photosensitive panel of one embodiment of the utility model；

Fig. 3 be Fig. 2 shows photosensitive mould group in the optical signal schematic diagram that can pass through of anti-aliasing image-forming component；

Fig. 4 is the partial structural diagram of the anti-aliasing image-forming component of one embodiment of the utility model；

Fig. 5 is the partial structural diagram of the anti-aliasing image-forming component of another embodiment of the utility model；

Fig. 6 is the preparation process schematic diagram of anti-aliasing image-forming component shown in fig. 5；

Fig. 7 is the partial structural diagram of the anti-aliasing image-forming component of the another embodiment of the utility model；

Fig. 8 is the partial structural diagram of the photosensitive mould group of another embodiment of the utility model；

Fig. 9 is the structural block diagram of the photosensitive device of one embodiment of the utility model；

Figure 10 is the structural schematic diagram of one embodiment of photosensitive unit shown in Fig. 9；

Figure 11 is the structural schematic diagram of another embodiment of photosensitive unit shown in Fig. 9；

Figure 12 is the partial structural diagram of the display module of one embodiment of the utility model；

Figure 13 is the partial structural diagram of display panel in display module shown in Figure 12；

Figure 14 is that the relative position of sensor devices and display pixel shows in the display module of one embodiment of the utility model It is intended to；

Figure 15 is the relative position of sensor devices and display pixel in the display module of the another embodiment of the utility model Schematic diagram；

Figure 16 is the relative position of sensor devices and display pixel in the display module of the another embodiment of the utility model Schematic diagram；

Figure 17 is the relative position of sensor devices and display pixel in the display module of the another embodiment of the utility model Schematic diagram；

Figure 18 is the display area of the display panel of one embodiment of the utility model and the sensing region of photosensitive panel Correspondence diagram；

Figure 19 is that the display module of one embodiment of the utility model is applied to the positive structure schematic of electronic equipment；

Figure 20 is the schematic diagram of the section structure of the electronic equipment in Figure 19 along I-I line, wherein illustrating only electronic equipment Part-structure.

Specific embodiment

The embodiments of the present invention is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and should not be understood as practical to this Novel limitation.

In the description of the present invention, it should be understood that term " first ", " second " are used for description purposes only, and It cannot be understood as indicating or implying relative importance or implicitly indicate the quantity of indicated technical characteristic.It defines as a result, The feature of " first ", " second " can explicitly or implicitly include one or more feature.In the utility model Description in, the meaning of " plurality " is two or more, unless otherwise specifically defined." contact " or " touch " packet Include directly contact or mediate contact.For example, the photosensitive mould group, the display module that hereinafter disclose, are arranged on electronic equipment Inside, such as the lower section of cover sheet, then user's finger passes through the cover sheet mediate contact photosensitive mould group and display module.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected or can be in communication with each other；It can be directly connected, it can also be in Between medium be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements.For this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

Following disclosure provides many different embodiments or example is used to realize the different structure of the utility model. In order to simplify the disclosure of the utility model, hereinafter to the component of specific examples and being set for describing.Certainly, they are only Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments And/or the relationship between setting.In addition, the example of various specific techniques and material that the utility model provides, but this Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.

Further, described feature, structure can be incorporated in one or more embodiment party in any suitable manner In formula.In the following description, many details are provided to provide and fully understand to the embodiments of the present invention. However, one of ordinary skill in the art would recognize that, without one or more in the specific detail, or using other knots Structure, constituent element etc. can also practice the technical solution of the utility model.In other cases, it is not shown in detail or describes known knot Structure or operation are to avoid fuzzy the utility model.

The utility model embodiment proposes a kind of photosensitive mould group, which is used to contact or connect in a target object When the nearly photosensitive mould group, the reflected optical signal of target object is sensed, and the optical signal sensed is converted into corresponding electricity Signal obtains the predetermined biological information of target object according to the electric signal of conversion.

In some embodiments, referring to figure 2., Fig. 2 shows the photosensitive mould groups of one embodiment of the utility model Partial structurtes.The photosensitive mould group 2 includes photosensitive device 20 (referring to Fig. 9) and anti-aliasing image-forming component 28.Wherein, photosensitive device 20 It again include a photosensitive panel 200, which includes substrate 26 and the multiple photosensitive units 22 being arranged in substrate 26. The optical signal sensed is converted to corresponding electric signal for sensing optical signal by multiple photosensitive unit 22.Photosensitive device 20 progress are obtained according to the electric signal after conversion in contact with or close to the sense for the optical signal sensed to be converted to electric signal The predetermined biological information of the target object of optic panel 200.Anti-aliasing image-forming component 28 is set to photosensitive 200 top of panel, For preventing the optical signal received between adjacent photosensitive unit 22 from generating aliasing.Further, anti-aliasing image-forming component 28 Including multiple the first transmission regions 282 passed through for optical signal, multiple photosensitive units 22 are correspondingly arranged in multiple first light transmission 282 lower section of region.

The biological information of above-mentioned target object is such as, but not limited to the skins lines such as fingerprint, palmmprint, ear line, sole letter The other biologicals characteristic information such as breath and heart rate, blood oxygen concentration, vein.Target object is such as, but not limited to human body, or The object of other suitable types.

The photosensitive mould group 2 of the utility model embodiment on the photosensitive panel 200 for being equipped with photosensitive unit 22 by being arranged Anti-aliasing image-forming component 28, and photosensitive unit 22 and the first transmission region 282 of anti-aliasing image-forming component 28 are correspondingly arranged, from And make the biological information obtained after the execution light sensing of photosensitive unit 22 more visible, to improve the sense of photosensitive device 20 Survey precision.

In some embodiments, photosensitive unit 22 and 282 face of the first transmission region are arranged, and so can guarantee across the The optical signal of one transmission region 282 is all received by photosensitive unit 22, improves the sensing precision of photosensitive device 20.

In some embodiments, anti-aliasing image-forming component 28 has extinction characteristic, is irradiated to anti-aliasing image-forming component 28 On optical signal in, only could be from the first light transmission of anti-aliasing image-forming component 28 with the approximately perpendicular optical signal of the substrate 26 Region 282 passes through, to be received by photosensitive unit 22, remaining optical signal is absorbed by anti-aliasing image-forming component 28.In this way, can To prevent received optical signal between adjacent photosensitive unit 22 from generating aliasing.It should be noted that with 26 near normal of substrate Optical signal include optical signal perpendicular to the substrate 26, and deviate predetermined angle relative to the vertical direction of the substrate 26 Optical signal in range.The predetermined angle range is in ± 20 °.

In some embodiments, as shown in figure 3, Fig. 3 shows the optical signal range across anti-aliasing image-forming component 28. Due to the extinction characteristic of anti-aliasing image-forming component 28, the optical signal between only optical signal L1 and optical signal L2 can pass through first Transmission region 282 reaches photosensitive unit 22, remaining optical signal is absorbed by the extinction wall 281 of anti-aliasing image-forming component 28.By Fig. 3 passes through the model of the angle [alpha] of the optical signal of the first transmission region 282 it is found that the cross-sectional area of the first transmission region 282 is smaller Enclose smaller, therefore the anti-aliasing effect of anti-aliasing image-forming component 28 is better.In this way, by anti-aliasing image-forming component 28 be arranged compared with First transmission region 282 of small area, can improve the anti-aliasing effect of anti-aliasing image-forming component 28.In addition, due to it is anti-aliasing at The cross-sectional area of first transmission region 282 of element 28 is smaller, therefore each photosensitive unit 22 will corresponding multiple light transmissions first Transmission region 282 improves the sensing precision of photosensitive mould group 2 so that photosensitive unit 22 can sense enough optical signals.

In some embodiments, please continue to refer to Fig. 2, anti-aliasing image-forming component 28 includes extinction wall 281, above-mentioned multiple First transmission region 282 is enclosed by extinction wall 282.The extinction wall 281 is formed by light absorbent.The light absorbent includes gold Belong to oxide, charcoal blacking, black ink etc..Wherein, the metal in metal oxide is such as, but not limited to chromium (Cr), nickel (Ni), the one or more of iron (Fe), tantalum (Ta), tungsten (W), titanium (Ti), molybdenum (Mo).First transmission region 282 it is axially extending Direction is the direction vertical with substrate 26, so as to be irradiated in the optical signal of anti-aliasing image-forming component 28, it is approximate with substrate 26 to hang down Optical signal on straight direction can pass through the first transmission region 282, remaining optical signal is absorbed by extinction wall 281.

Further, referring to figure 4., Fig. 4 shows the anti-aliasing image-forming component 28 of one embodiment of the utility model Structure.Extinction wall 281 is multilayered structure, and the extinction wall includes the extinction block 281a and keel 281b of alternately laminated setting. In one embodiment, extinction block 281a is formed by light absorbent.The light absorbent is such as, but not limited to metal oxide, carbon black Coating, black ink etc..Wherein, the metal in metal oxide is such as, but not limited to chromium (Cr), nickel (Ni), iron (Fe), tantalum (Ta), the one or more of tungsten (W), titanium (Ti), molybdenum (Mo).Keel 281b is such as, but not limited to formed by transparent material saturating Bright layer, such as trnaslucent materials, light absorbent etc..

In some embodiments, multiple intervals the extinction block 281a setting being located on the same floor, and respectively inhaled in the same layer Region corresponding to interval 283b between light block 281a is the first transmission region 282.Further, multiple extinctions of same layer Block 281a and multiple keel 281b can once be made.Specifically, by providing an exposure mask, the exposure mask is integrally formed Diaphragm, and the diaphragm corresponds to the position of extinction block 281a and forms aperture, and the shape of the aperture and size and extinction block 283 Shape size is consistent.By the exposure mask, successively vapor deposition forms the extinction block 281a and keel being arranged alternately on a carrier 281b, to form anti-aliasing image-forming component 28.

By the setting of keel 281b, the processing procedure of anti-aliasing image-forming component 28 is not only accelerated, and passes through keel The height of 281b is arranged, and can guarantee the anti-aliasing effect of anti-aliasing image-forming component 28.

In some embodiments, transparent material can be filled in above-mentioned first transmission region 282, it is anti-aliasing to increase The intensity of image-forming component layer also can avoid impurity and enter in the first transmission region 282 and influence translucent effect.In order to guarantee first The translucent effect of transmission region 282, transparent material can select the biggish material of light transmittance, for example, glass, PMMA (acrylic), PC (polycarbonate) etc..

In some embodiments, referring to figure 5., Fig. 5 show another embodiment of the utility model it is anti-aliasing at The structure of element.The anti-aliasing image-forming component 28 is multilayered structure, and the anti-aliasing image-forming component 28 includes alternately laminated sets The light-absorption layer 283 and clear support layer 284 set；The light-absorption layer 283 includes multiple spaced extinction block 283a；It is described Bright supporting layer 284 is filled by transparent material to be formed, and fills the interval 283b between the extinction block 283a together；It is wherein described The corresponding region interval 283b forms first transmission region 282.

Further, Fig. 6 is please referred to, Fig. 6 shows the system of the anti-aliasing image-forming component of one embodiment of the utility model Standby process.Specifically, when preparing anti-aliasing image-forming component 28, one layer of light absorbent is first coated on a carrier, and inhaling The corresponding partial etching of the first transmission region 282 is fallen on optical material layer, part is not etched and forms multiple extinction block 283a. The lithographic technique is such as, but not limited to photoengraving, X-ray etching, electron beam lithography and ion beam etching.And etching type It may include dry etching and two kinds of wet etching.Then, transparent material layer is coated on extinction block 283 after the etching, and should Transparent material not only covers multiple extinction block 283a, the interval 283b between multiple extinction block 283a is also filled together, thus shape At clear support layer 284.Then, multiple extinction blocks are formed in clear support layer 284 according to the generation type of light-absorption layer 283 283a, and so on form the alternately stacked light-absorption layer 283 of multilayer and clear support layer 284, to be formed anti-aliasing at pixel Part 28.

Further, in order to guarantee the translucent effect of the first transmission region 282, the transparent material of clear support layer 284 is formed Material can select the biggish material of light transmittance, such as glass, PMMA (acrylic), PC (polycarbonate), epoxy resin etc..

In some embodiments, please refer to Fig. 7, Fig. 7 show another embodiment of the utility model it is anti-aliasing at The structure of element.The anti-aliasing image-forming component 28 includes the light-absorption layer 283 and clear support layer 284 of alternately laminated setting, and The thickness of every layer of clear support layer 284 is unequal.That is the value of thickness h 1, h2 and h3 is unequal in Fig. 7.Optionally, the transparent branch The thickness of support layer 284 successively increases, i.e. 1 < h2 of thickness h < h3.So can to avoid opposed substrate vertical direction deviate ± 20 ° with Clear support layer 284 of the outer optical signal across extinction block 283a, to improve the sensing precision of photosensitive mould group 2.It needs It is noted that the thickness parameter of every layer of clear support layer 284 and the width and height parameter of extinction block 283a, can carry out Different settings and a variety of setting combinations, to improve the sensing precision of photosensitive mould group 2.

In some embodiments, anti-aliasing image-forming component 28 is formed directly on photosensitive panel 200, i.e., above-mentioned anti-aliasing The carrier when formation of image-forming component 28 is the photosensitive panel 200 equipped with photosensitive unit 22.So, change ground, this it is anti-aliasing at Element 28 is set to again on the photosensitive panel 200 equipped with photosensitive unit 22 after being for example separately made, to accelerate photosensitive mould The processing procedure of group 2.

In some embodiments, multiple first transmission regions 282 are uniformly distributed in anti-aliasing image-forming component 28, to make The preparation process for obtaining anti-aliasing image-forming component 28 is simpler.

In some embodiments, by taking target object is the organism such as finger as an example, when finger is in contact with or close to photosensitive mould When group 2, if there is ambient lighting to penetrate on finger, and finger has many institutional frameworks, such as epidermis, bone, meat, blood vessel etc., Therefore the part optical signals in environment light can penetrate finger, and part optical signals are then by finger.The optical signal for penetrating finger will Photosensitive unit 22 is reached, photosensitive unit 22 is not only sensed through the reflected optical signal of target object at this time, also senses ring Border light penetrates the optical signal of finger, so can not accurately be sensed.Therefore, in order to avoid environment shadow rings photosensitive unit 22 To the sensing of target object, Fig. 8 is please referred to, Fig. 8 shows the structure of the photosensitive mould group of another embodiment of the utility model.It should Photosensitive mould group 2 further comprises filter coating 29, the filter coating 29 setting the anti-aliasing image-forming component 28 with it is described photosensitive Between panel 200, wherein the filter coating is for the optical signal other than default wave band to be filtered.So, ground is changed, it should Anti-aliasing image-forming component 28 is arranged between the filter coating 29 and the photosensitive panel 200, for example, filter coating 29 be set to it is anti- Side of the aliasing image-forming component 28 far from photosensitive panel 200.

The utility model embodiment will reflect back into the optical signal come the light preset other than wave band by the filter coating 29 Target signal filter, to improve the sensing precision of photosensitive mould group 2.

In some embodiments, presetting wave band is the corresponding wave band of blue light signal, i.e. filter coating 29 believes blue light Optical signal other than number filters out.

In some embodiments, presetting wave band is the corresponding wave band of green light signal, i.e. filter coating 29 believes green light Optical signal other than number filters out.

In the red light signal of environment light, blue light signal and green light signal, the target objects such as finger F is to red The absorption of optical signal is most weak, followed by green light signal, most strong to the absorption of blue light signal.I.e. ambient lighting is penetrated in finger On, a large amount of blue light signal is only a small amount of by finger, penetrates finger even without blue light signal.Therefore, it selects Blue light signal or green light signal are filtered with the optical signal of wave section, can eliminate the interference of environment light significantly, are improved The sensing precision of photosensitive mould group 2.

In some embodiments, substrate 26 may include transparent substrates and two kinds of nontransparent substrate, wherein transparent substrates example Such as, but not limited to, glass substrate, plastic base, crystal, sapphire insulation substrate, nontransparent substrate are such as, but not limited to silicon substrate Plate, printed circuit board, metal substrate etc..In addition, the substrate 26 can be rigid, or flexible material, for example (,) it is soft Property film.If substrate 26 is flexible material, not only thickness is thinning for the photosensitive mould group 2, and can be applicable to curved surface In the electronic equipment of display screen.

In some embodiments, Fig. 9 is please referred to, Fig. 9 shows the photosensitive device of one embodiment of the utility model Structure.The photosensitive device 20 includes photosensitive panel 200, multiple photosensitive units 22 in array distribution in substrate 26, and substrate The scanline groups and data line group being electrically connected with photosensitive unit 22 are for example also formed on 26, scanline groups are used for transmission scanning Driving signal is to photosensitive unit 22, and to activate photosensitive unit 22 to execute light sensing, data line group is used to photosensitive unit executing light The electric signal output for sensing and generating.The substrate 26 is such as, but not limited to silicon substrate, metal substrate, printed circuit board etc., such as It can also be glass substrate, plastic base, crystal, sapphire insulation substrate.

Specifically, photosensitive unit 22 is in array distribution, such as matrix is distributed.It is of course also possible to for other regular fashions point Cloth or non-regular distribution.Scanline groups include multi-strip scanning line 201, and data line group includes multiple data lines 202, a plurality of to sweep It retouches line 201 and multiple data lines 202 intersects setting, and be arranged between adjacent photosensitive unit 22.For example, multi-strip scanning Line G1, G2 ... Gm are laid along Y-direction interval, and multiple data lines S1, S2 ... Sn is spaced laying in X direction.So, ground is changed, it should Multi-strip scanning line 201 is not limited shown in Fig. 9 with multiple data lines 202 and is vertically arranged, can also setting at an angle, Such as 30 °, 60 ° etc..In addition, due to the electric conductivity of scan line 201 and data line 202, the scan line that is in the crossed position It is isolated between 201 and data line 202 by insulating materials.

It should be noted that above-mentioned scan line 201 and the distribution of data line 202 and the setting of quantity are not limited to The embodiment enumerated is stated, corresponding scanline groups and data can be correspondingly arranged according to the difference of the structure of photosensitive unit 22 Line group.

Further, multi-strip scanning line 201 is all connected with a photosensitive driving circuit 23, and multiple data lines 202 are all connected with a letter Number processing circuit 25.Photosensitive driving circuit 23 is passed for providing corresponding scanning drive signal, and by corresponding scan line 201 It is defeated by corresponding photosensitive unit 22, to activate the photosensitive unit 22 to execute light sensing.The photosensitive driving circuit 23 is formed in substrate On 26, naturally it is also possible to be electrically connected by connector (for example, flexible circuit board) and photosensitive unit 22, i.e. connection multi-strip scanning Line 201.Signal processing circuit 25 receives corresponding photosensitive unit 22 by data line 202 and executes the telecommunications that light sensing generates Number, and obtain according to the electric signal biological information of target object.

In some embodiments, the photosensitive device 20 including the photosensitive panel 200 is in addition to including above-mentioned signal processing It further include a controller 27 except circuit 25, photosensitive driving circuit 23, which answers for controlling driving circuit output phase Scanning drive signal, such as, but not limited to line by line activation photosensitive unit 22 execute light sensing.The controller 27 is also used to control Signal processing circuit 25 receives the electric signal that photosensitive unit 22 exports, and is receiving all photosensitive units 22 for executing light sensing After the electric signal of output, the biological information of target object is generated according to the electric signal.

Further, above-mentioned signal processing circuit 25 and controller 27 can be that selection is formed according to the type of substrate 26 In substrate 26, or selection is for example electrically connected by connector (for example, flexible circuit board) and photosensitive unit 22.For example, working as When the substrate 26 is silicon base, the signal processing circuit 25 and controller 27 be may be optionally formed in substrate 26, can also Selection is for example electrically connected by flexible circuit board and photosensitive unit 22；When the substrate 26 is dielectric base, the signal Processing circuit 25 and controller 27 then need for example to be electrically connected by flexible circuit board and photosensitive unit 22.

In some embodiments, Figure 10 is please referred to, Figure 10 shows the photosensitive unit 22 and scan line of an embodiment 201 and data line 202 connection structure.The photosensitive unit 22 includes at least a sensor devices 220 and switching device 222.This is opened Closing device 222 has a control terminal C and two signal ends, for example, the first signal end Sn1 and second signal end Sn2.Wherein, it opens The control terminal C for closing device 222 is connect with scan line 201, and the first signal end Sn1 of switching device 222 is connected through sensor devices 220 The second signal end Sn2 of one reference signal L, switching device 222 are connect with data line 202.It should be noted that shown in Figure 10 Photosensitive unit 22 is only used for illustrating, however it is not limited to other composed structures of photosensitive unit 22.

Specifically, above-mentioned sensor devices 220 are such as, but not limited to photodiode, phototriode, photodiode, light Resistance, thin film transistor (TFT) any one or it is several.It is negative by applying at the both ends of photodiode by taking photodiode as an example To voltage, at this point, if when photodiode receives optical signal the photoelectric current with optical signal proportion relation will be generated, The light signal strength received is bigger, and the photoelectric current of generation is then bigger, the speed of the voltage decline on photodiode cathode It is faster, therefore by the voltage signal on acquisition photodiode cathode, to obtain the reflection of target object different parts Light signal strength, and then obtain the biological information of target object.It is understood that increase sensor devices 220 Multiple sensor devices 220 are then arranged in photosensitive effect.

Further, switching device 222 be such as, but not limited to triode, metal-oxide-semiconductor, in thin film transistor (TFT) any one or It is several.Certainly, which also may include other kinds of device, and quantity may be 2,3 etc..

In some embodiments, in order to further increase the sensing precision of photosensitive mould group 2, also can choose to blue or The high sensor devices 220 of the luminous sensitivity of green light signal.By selecting to the photosensitive of blue light signal or green light signal The sensor devices 220 of high sensitivity execute light sensing, so that the sense of the sensor devices 220 to blue light signal or green light signal Light is sensitiveer, therefore also avoids interference caused by red light signal in environment light to a certain extent, to improve photosensitive mould The sensing precision of group 2.

By taking 22 structure of photosensitive unit shown in Figure 10 as an example, the grid of thin film transistor (TFT) TFT is as switching device 222 The source electrode and drain electrode of control terminal C, thin film transistor (TFT) TFT are to the first signal end Sn1 and second signal that should be used as switching device 222 Hold Sn2.The grid of thin film transistor (TFT) TFT is connect with scan line 201, and the source electrode of thin film transistor (TFT) TFT is with photodiode D1's Cathode connection, the drain electrode of thin film transistor (TFT) TFT are connect with data line 202.The anode connection reference signal L of photodiode D1, Reference signal L is, for example, earth signal or negative voltage signal.

When above-mentioned photosensitive unit 22 executes light sensing, the grid by scan line 201 to thin film transistor (TFT) TFT applies one Driving signal, to drive thin film transistor (TFT) TFT to be connected.At this point, data line 202 connects a positive voltage signal, work as thin film transistor (TFT) After TFT conducting, the positive voltage signal on data line 202 is applied to the cathode of photodiode D1 through thin film transistor (TFT) TFT, due to The plus earth of photodiode D1, therefore the both ends photodiode D1 will apply a backward voltage, so that photodiode D1 It is in reverse bias, i.e., in running order.At this point, when there is optical signal to be irradiated to photodiode D1, photodiode The reverse current of D1 increases rapidly, and so as to cause the curent change on photodiode D1, the electric current of the variation can be from data It is obtained on line 202.Since the intensity of optical signal is bigger, the reverse current of generation is also bigger, therefore obtains according on data line 202 The current signal arrived can obtain the intensity of optical signal, and then obtain the biological information of target object.

In some embodiments, above-mentioned reference signal L can be positive voltage signal, negative voltage signal, earth signal etc..Only The electric signal provided on data line 202 and reference signal L is wanted to be applied to the both ends photodiode D1, so that photodiode D1 Both ends form backward voltage, to execute light sensing, in the protection scope that the utility model limits.

It is understood that the connection type of thin film transistor (TFT) TFT and photodiode D1 is simultaneously in above-mentioned photosensitive unit 22 It is not limited to the connection type shown in Figure 10, or other connection types.For example, as shown in figure 11, showing practical The photosensitive unit 22 of a novel another embodiment and the connection structure of scan line 201 and data line 202.Thin film transistor (TFT) TFT Grid G connect with scan line 201, the drain D of thin film transistor (TFT) TFT is connect with the anode of photodiode D1, film crystal The source S of pipe TFT is connect with data line 202.The cathode of photodiode D1 connects positive voltage signal.

Figure 12 is please referred to, Figure 12 shows the partial structurtes of the display module 1 of one embodiment of the utility model.The display Mould group 1 includes a display device (not shown) and photosensitive mould group 2.The display device includes a display panel 100 again, is used for It executes image to show, and is equipped with the second transmission region (not shown) in the viewing area of the display panel 100.Photosensitive mould group 2 be the photosensitive mould group 2 of any of the above-described embodiment, and the photosensitive mould group 2 is arranged below display panel 100, for sense from The optical signal that second transmission region projects, to obtain the predetermined biology spy in contact with or close to the target object of the display module 1 Reference breath.

Since photosensitive mould group 2 is located at 100 lower section of display panel, display panel 100 has to be reflected back for target object The second transmission region that the optical signal come passes through, so that the photosensitive panel 200 in photosensitive mould group 2 can be received across display The optical signal of panel 100, and the optical signal received is converted into electric signal, contact is obtained according to the electric signal after conversion or is connect The predetermined biological information of the target object of nearly display module 1.

In some embodiments, in order to guarantee that the optical signal across display panel 100 is received by photosensitive mould group 2, will feel Sensor devices 220 (referring to Fig.1 0) in optical mode group 2 are set to below second transmission region.Further, the photoreceptor 220 the second transmission region of face of part setting, to ensure that the optical signal across display panel 100 is fully received, and is improved The sensing precision of photosensitive mould group 2.

In some embodiments, anti-aliasing image-forming component 28 and photosurface with continued reference to Figure 12, in the photosensitive mould group 2 Plate 200 is stacked with display panel 100, i.e., anti-aliasing image-forming component 28 be located at photosensitive panel 200 and display panel 100 it Between.

In some embodiments, when display module 1 works, display panel 100 issues optical signal, corresponding aobvious to realize Show effect.At this point, the optical signal that display panel 100 issues reaches target if there is target object to contact or touch the display module 1 It is reflected after object, reflected optical signal is received by photosensitive panel 200, the optical signal that photosensitive panel 200 will receive Be converted to electric signal corresponding with optical signal.Signal processing circuit 26 (please referring to Fig. 9) in photosensitive mould group 2 is according to photosensitive panel 200 electric signals generated, obtain the predetermined biological information of target object.

In some embodiments, display panel 100 is such as, but not limited to OLED display device, as long as being able to achieve display effect Fruit and have the display device of the transmission region passed through for optical signal in the protection scope of the utility model.

Figure 13 is please referred to, Figure 13 shows the partial structurtes for the OLED screen that display panel is an embodiment.With display surface Plate 100 is for OLED display panel, which further comprises transparent substrate 101.Display pixel 12 includes being formed In anode 102, the luminescent layer 103 that is formed on anode 102 and the cathode for being formed in luminescent layer 103 on transparent substrate 101 104.When anode 102 is with application voltage signal corresponding on cathode 104, it is gathered in anode 102 and a large amount of current-carrying on cathode 104 Son will be mobile to luminescent layer 103 and enters luminescent layer 103, so that luminescent layer 103 be excited to issue corresponding optical signal.

In some embodiments, the anode 102 and cathode 104 are made of an electrically conducting material.For example, the anode 102 is by oxygen Change the suitable conductive material such as indium tin (ITO) to be made, which is made of the suitable conductive material such as metal or ITO.This is aobvious Show that panel 100 is not limited to OLED display panel, can also be the display panel of other suitable types.In addition, the display panel 100 can be the hard screen of rigid, or the flexible screen of flexible material.Moreover, the utility model embodiment OLED display panel can be the display device of bottom emitting type device, top emission type device or other suitable construction types.

Further, Figure 14 is please referred to, Figure 14 shows the structure of the display module of one embodiment of the utility model.It is aobvious Show that pixel 12 includes red pixel R, green pixel G and tri- kinds of display pixels of blue pixel B, the light that wherein red pixel R is projected Signal is red light signal, and the optical signal that green pixel G is projected is green light signal, and the optical signal that blue pixel B is projected is indigo plant Coloured light signal.Wherein the luminescent layer in red pixel R uses the luminescent material for issuing red light signal, the hair in green pixel G Photosphere uses the luminescent material for issuing green light signal, and the luminescent layer in blue pixel B is shone using sending blue light signal Material.Certainly, certainly, which can also include black picture element, white pixel；Or red pixel, green pixel, Blue pixel and white pixel etc..In addition, display panel 100 can also realize that display, such as color turn using other display technologies Technology is changed, the light issued using Nan dian Yao utilizes the optical signal for relaying out red green, blue after fluorescent dye absorption again. It should be noted that the display pixel 12 in display panel 100 is not limited to the arrangement mode shown in Figure 14, there can also be it His arrangement mode, such as pentiel arrangement mode etc..

It is equipped with interval H please continue to refer to Figure 14, between adjacent display pixel, and there is the second transparent area in the H of the interval Domain.Sensor devices 220 in photosensitive unit 22 are correspondingly arranged in the lower section of the interval H between adjacent display pixel.Here Lower section can guarantee the position that enough optical signals are received immediately below being such as, but not limited to.It is understood that if wearing The optical signal for crossing interval H is more, then the sensing precision of photosensitive mould group 2 is higher.

5, Figure 15 shows the relative position of sensor devices and display pixel in the photosensitive unit of an embodiment referring to Fig.1 Relationship, display pixel 12 is transparence display dot structure, and the display pixel 12 is such as, but not limited to red pixel R, green picture Tri- kinds of display pixels of plain G and blue pixel B.The sensor devices 220 of photosensitive unit 22 are correspondingly arranged in 12 lower section of display pixel.

The utility model embodiment utilizes the translucency of display pixel 12, and reception is reflected and passed through through target object The optical signal of the display pixel carries out biological information sensing to target object.In addition, since the sensor devices 220 are arranged In 12 lower section of display pixel, therefore the photosurface of the sensor devices 220 can be equal to the area of display pixel 12, so using existing Some display panel structures can be realized, and reduce the preparation cost of display module 1, and guarantee the light across display pixel 12 The enough optical signals of signal mesopodium are received by sensor devices 220, improve the sensing precision of photosensitive mould group 2.

Further, display panel 100 further includes the driver circuit (not shown) for driving each display pixel 12 luminous, And display device further comprises display driver circuit (not shown), which can be set in each aobvious Show between pixel 12, also can be set in each 12 lower section of display pixel.Display driver circuit can be set in display panel 100 On, it can also be connect by flexible circuit board with display pixel 12.The display driver circuit is for driving multiple display pixels 12 It shines, light source when light sensing is carried out for use as the photosensitive mould group 2.

In some embodiments, sensor devices 220 are located at any one in red, blue, green three kinds of display pixels A or multiple lower section, by being located at 12 lower section of display pixel, it is ensured that more optical signals are received by sensor devices 220. Such as shown in Figure 15, which is located at below blue display pixels B.In addition, other optical signals in order to prevent is dry It disturbs, filter coating 29 can be set on sensor devices 220.The filter coating 29 was for carrying out the optical signal other than default wave band Filter.For example, blue filter film is arranged if the optical signal other than blue light signal is interference signal, by blue light signal Optical signal other than corresponding wave band is filtered.It should be noted that since the photosensitive panel 200 is set to display panel 100 Lower section, therefore after the filter coating 29 can be independently arranged, then fit on photosensitive panel 200, so that the system of filter coating 29 Standby technique is simpler.

In some embodiments, Figure 16 is please referred to, Figure 16 shows the display mould of another embodiment of the utility model The part-structure of group.In the embodiment, the luminescent layer 103 of display pixel 12 issues white light, and the light of display pixel 12 Line emitting side is equipped with CF film 13, which forms red, green for the white light that display pixel 12 issues to be filtered Color and blue three kinds of optical signals.Specifically, which includes three kinds of photoresists, i.e., corresponding three kinds of display pixels are set as red Color, green, blue three kinds of photoresists when the white light that luminescent layer 103 issues passes through the CF film 13, project red light letter for corresponding Number, green light signal, blue light signal.In other words, display panel 100 is passed through through the reflected optical signal of target object When, red light signal can be filtered when passing through the blue light resistance or green photoresist of CF film 13.It therefore, will be in photosensitive unit 22 Sensor devices 220 are set to the underface of the corresponding display pixel of blue light resistance and/or the corresponding display pixel 12 of green photoresist, The influence of interference signal can be eliminated, to improve the sensing precision of photosensitive mould group 2.

In some embodiments, Figure 17 is please referred to, Figure 17 shows the display moulds of the another embodiment of the utility model The part-structure of group, in the embodiment, in order to enhance display pixel injection optical signal intensity, which is equipped with phase The microresonator structure 14 answered, the microresonator structure 14 generate micro- resonance effects to the optical signal of specific wavelength, so that The optical signal of the specific wavelength is enhanced in injection direction, and the optical signal other than specific wavelength can then pass through micro- resonance Cavity configuration 14.Such as the corresponding microresonator structure of red display pixel R, the red light signal projected can be made to be enhanced, Remaining optical signal then passes through microresonator structure 14.In other words, red across this through the reflected optical signal of target object When color display pixel R, if red light signal can be reflected back there are red light signal in the optical signal, remaining light letter It number then passes through red display pixel R and is received by sensor devices 220, so the sensor devices 220 in photosensitive unit 22 are arranged In the underface of red display pixel R, the red light signal for penetrating target object in environment light can be effectively filtered, is improved photosensitive The sensing precision of mould group 2.

In some embodiments, sensor devices 200 are further disposed upon green display pixels G or blue display pixels B Lower section.Accordingly, sensor devices 220 be equipped with filter coating 29, the filter coating be used for by the optical signal other than default wave band into Row filtering, and the setting of the default wave band is different with the difference of the placement location of sensor devices 220.Specifically, if photoreceptor Part 220 is set to below green display pixels G, then by red and blue light signal in the reflected optical signal of target object Green display pixels are passed through, therefore the filter coating being arranged is used to filter out the optical signal other than blue light signal, so that photosensitive Device 220 only receives blue light signal.Similarly, if sensor devices 220 are set to red display pixel R, blue display pixels B Lower section, then filter coating 29 is for filtering out the optical signal other than green light signal, so that sensor devices 220 only receive green light Signal.

In some embodiments, photosensitive panel 200 is for executing any position in the display area to display panel 100 Target object biological information sensing.Specifically, such as incorporated by reference to referring to Fig.1 2 and Figure 18, display panel 100 has One display area 105 and non-display area 106, the display area 105 by display panel 100 all display pixels 12 shine Region deviding, the region other than display area 105 are non-display area 106, and non-display area 106 is for being arranged driving display picture The line bonding area that the circuits such as the display driver circuit of element 12 or setting are connected for flexible circuit board.Photosensitive panel 200 has One sensing region 203 and non-sensing region 204, the sensing region 203 by photosensitive panel 200 all photosensitive units 22 sensing Region deviding, the region other than sensing region 203 are non-sensing region 204, and non-sensing region 204 drives photosensitive list for being arranged The photosensitive driving circuit 23 that member 22 executes light sensing waits circuits or the line bonding area for flexible circuit board connection.Sensing region 203 shape is consistent with the shape of display area 105, and the size of sensing region 203 is greater than or equal to the big of display area 105 It is small, so that photosensitive panel 200 can be to the object in contact with or close to 105 any position of the display area of display panel 100 The sensing of the predetermined biological information of body.Further, the area of photosensitive panel 200 is less than or equal to display panel 100 Area, and the shape of photosensitive panel 100 is consistent with the shape of display panel 100, is so convenient for photosensitive panel 200 and display panel 100 assembling.So, ground is changed, in some embodiments, the area of photosensitive panel 200 can also be greater than display panel 100 Area.

In some embodiments, the sensing region 203 of the photosensitive panel 200 also may be less than display panel 100 Display area 105, to realize the predetermined biological characteristic of the target object of the regional area of the display area 105 of display panel 100 The sensing of information.

Further, display device is further used for executing touch-sensing, when the display device detects target object Touch or after, the display driver circuit drives the display pixel of corresponding touch area to shine.

Further, 9 and Figure 20, Figure 19 show the knot of the electronic equipment of one embodiment of the utility model referring to Fig.1 Structure, Figure 20 shows electronic equipment shown in Figure 19 along the cross-section structure of I-I line, and Figure 20 illustrates only the portion of electronic equipment Separation structure.The electronic equipment is equipped with above-mentioned any one display module for implementing structure, and not only image for electronic equipment was shown, but also It is sensed for the biological information to the target object in contact with or close to electronic equipment.

Electronic equipment for example but is not limited to consumer electrical product, household formula electronic product, vehicular electronic product, gold Melt the electronic product of the suitable types such as end product.Wherein, consumer electrical product for example mobile phone, tablet computer, notebook electricity Brain, tabletop display, computer all-in-one machine etc..Household formula electronic product for example intelligent door lock, TV, refrigerator, wearable device etc.. Vehicular electronic product for example automatic navigator, vehicle-carrying DVD etc..Financial terminal product for example ATM machine, self-service transacting business end End etc..For electronic equipment shown in Figure 19 by taking the mobile terminal of cell phone type as an example, right above-mentioned display module is equally applicable to other conjunctions Suitable electronic product, it is not limited to the mobile terminal of cell phone type.

Specifically, the front of the mobile terminal 3 is equipped with a display panel 100, is equipped with protection cap above the display panel 100 Plate 300.Optionally, the screen of the display panel 100 accounts for relatively high, such as 80% or more.Screen accounting refers to the aobvious of display panel 100 Show that region 105 accounts for the ratio of the front surface region of mobile terminal 3.The photosensitive panel 200 is correspondingly arranged under the display panel 100 Side, for sensing the predetermined biological characteristic of the target object in contact with or close to 105 any position of the display area of display panel 100 Information.

When mobile terminal 3 is in bright screen state and is in biological information sensing modes, the display panel 100 hair Optical signals.When an object is in contact with or close to the viewing area, which receives is believed by the reflected light of the object Number, the optical signal received is converted as corresponding electric signal, and is believed according to the predetermined biological characteristic that the electric signal obtains the object Breath, for example, information in fingerprint.To which, the photosensitive panel 200 can be realized in contact with or close to 105 any position of display area Target object sensed.

In the electronic equipment of the utility model embodiment, have the advantages that

First, the photosensitive panel in photosensitive mould group realizes that the biology of target object is special using the optical signal that display panel issues Reference breath sensing, does not need that light source additionally is arranged, to not only save the cost of electronic equipment, and also achieves acquisition and connect The biological information of the target object of the display area any position of touching or touch display panel.In addition, in the display module It after photosensitive mould group can be separately made, then is assembled with display device, to accelerate the preparation of electronic equipment.

Second, in the utility model embodiment, photosensitive panel is located at below display panel, the light letter that display panel issues After number reaching target object, reflected through target object, and reflected optical signal passes through display panel and by photosensitive unit sense It surveys, to form the biological information of target object.In this way, not having to consider the problems of that influence electronic equipment is shown, photosensitive panel The setting of upper photosensitive unit is also without limitations, therefore sensor devices can be sufficiently large in photosensitive unit, to improve sense The sensing effect of optical mode group.

Further, the electronic equipment further comprises a touch sensor (not shown), the touch sensing Device is used to the touch area of the target object is determined, with electronic device when a target object contacts the cover sheet Biological information sensing is executed in the touch area.

In some embodiments, the touch sensor perhaps with the cover sheet 300 is integrated or and photosurface Plate 200 is integrated, or integrated with display panel 100.By integrated touch sensor, the touching to target object is not only realized Detection is touched, and also reduces the thickness of electronic equipment, is conducive to electronic equipment and develops towards lightening direction.

In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the utility model.In this explanation In book, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention, It is a, three etc., unless otherwise specifically defined.

Although the embodiments of the present invention has been shown and described above, it is to be understood that above-mentioned embodiment party Formula is exemplary, and should not be understood as limiting the present invention, and those skilled in the art are in the utility model Above embodiment can be changed, be modified in range, replacement and variant.

Claims

1. a kind of display module, comprising: display device and photosensitive mould group, it is characterised in that:

Display device, including a display panel, show for executing image, and second is equipped in the viewing area of the display panel thoroughly Light region, the display panel includes multiple transparence display pixels, and the multiple transparence display pixel forms described second thoroughly Light region；

Photosensitive mould group is arranged below the display panel, including a photosensitive panel, for sensing from second transmission region The optical signal of injection, to obtain the predetermined biological information in contact with or close to the target object of the display module；The sense Optic panel includes multiple sensor devices, and the sensor devices are located at below second transmission region.

2. display module as described in claim 1, it is characterised in that: the sensor devices face or corresponding second light transmission Region setting.

3. display module as described in claim 1, it is characterised in that: the display panel includes multiple display pixels, and phase Second transmission region is equipped between adjacent display pixel.

4. display module as described in claim 1, it is characterised in that；The light emission side of the display panel is equipped with CF film, institute Stating CF film includes red, three kinds of photoresists of green and blue, and the optical signal for issuing the display pixel is filtered, right Red, three kinds of optical signals of green and blue should be formed；The sensor devices be located at the corresponding display pixel of the blue light resistance and/ Or below the corresponding display pixel of the green photoresist.

5. display module as claimed in claim 3, it is characterised in that: the display pixel includes red, green, three kinds of blue Display pixel.

6. display module as claimed in claim 5, it is characterised in that: the display panel further comprises and the display picture The corresponding microresonator structure of element；The sensor devices are located at below the red display pixel.

7. display module as claimed in claim 6, it is characterised in that: the sensor devices are also located at the blue display pixels Or below green display pixels, and the sensor devices are equipped with filter coating, and the filter coating is used for will be other than default wave band Optical signal is filtered, and the setting of the default wave band is different with the difference of the placement location of the sensor devices.

8. display module as claimed in claim 5, it is characterised in that: the sensor devices are located at red, green, blue display It is any one or more in pixel；The sensor devices are equipped with filter coating, and the filter coating is used for will be other than default wave band Optical signal be filtered.

9. display module as described in claim 1, it is characterised in that: the photosensitive mould group further comprises filter coating, described Filter coating is set on the photosensitive panel, for the optical signal other than default wave band to be filtered.

10. display module as described in claim 1, it is characterised in that: the photosensitive panel further comprises substrate, the sense Optical device is set in the substrate.

11. display module as claimed in claim 10, it is characterised in that: the substrate is silicon substrate, metal substrate, printing electricity Road plate or dielectric base.

12. display module as described in claim 1, it is characterised in that: the display panel has display area；It is described photosensitive Panel is used to execute the biological information sensing of the target object of any position in the display area to display panel；Alternatively, The photosensitive panel has sensing region, and the shape of the sensing region is consistent with the shape of the display area, the sense The size for surveying region is greater than or equal to the size of the display area.

13. the display module as described in claim 1-12 any one, it is characterised in that: the photosensitive mould group further comprises Anti-aliasing image-forming component, the anti-aliasing image-forming component is between the display panel and the photosensitive panel, for preventing Aliasing occurs for the received optical signal of adjacent sensor devices.

14. display module as claimed in claim 13, it is characterised in that: the anti-aliasing image-forming component include extinction wall and By extinction walled at multiple first transmission regions, corresponding at least 1 first transmission region of the sensor devices.

15. display module as claimed in claim 14, it is characterised in that: first transmission region is uniformly distributed.

16. display module as claimed in claim 14, it is characterised in that: the extinction wall includes multiple alternately laminated settings Extinction block and keel.

17. display module as claimed in claim 16, it is characterised in that: the keel is transparent material layer.

18. display module as claimed in claim 14, it is characterised in that: fill transparent material in first transmission region.

19. display module as claimed in claim 13, it is characterised in that: the anti-aliasing image-forming component includes multilayer alternating layer The light-absorption layer and clear support layer of folded setting；The light-absorption layer includes multiple spaced extinction blocks；The clear support layer It is filled and is formed by transparent material, and fill the interval between the extinction block together；Wherein the corresponding region in the interval is formed First transmission region, each corresponding at least 1 first transmission region of the sensor devices.

20. display module as claimed in claim 19, it is characterised in that: the thickness of each layer of clear support layer not phase Deng.

21. display module as claimed in claim 20, it is characterised in that: the thickness of the clear support layer successively increases.

22. display module as claimed in claim 13, it is characterised in that: the anti-aliasing image-forming component is in the photosensitive panel It is upper directly to be formed；Alternatively, after the anti-aliasing image-forming component is individually formed, then be set on the photosensitive panel.

23. display module as described in claim 1, it is characterised in that: the display panel includes multiple display pixels, described Display device further comprises display driver circuit, for driving the multiple display pixel to shine, for use as the photosensitive mould Group carries out light source when light sensing.

24. a kind of electronic equipment, it is characterised in that: including the display module as described in claim 1-23 any one.

25. electronic equipment as claimed in claim 24, it is characterised in that: the electronic equipment further comprises a protection cap Plate, when the electronic equipment executes biological information sensing, for being touched for a target object.

26. electronic equipment as claimed in claim 25, it is characterised in that: the electronic equipment further comprises a touch sensing Device, the touch sensor are used to determine the Petting Area of the target object when a target object contacts the cover sheet Domain executes biological information sensing with electronic device in the touch area.

27. electronic equipment as claimed in claim 26, it is characterised in that: the touch sensor or with the cover sheet It is integrated, it perhaps integrates with the photosensitive panel in the display module or is integrated with the display panel in the display module.