CN109445182A - Display module and display device - Google Patents
Display module and display device Download PDFInfo
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- CN109445182A CN109445182A CN201811550097.8A CN201811550097A CN109445182A CN 109445182 A CN109445182 A CN 109445182A CN 201811550097 A CN201811550097 A CN 201811550097A CN 109445182 A CN109445182 A CN 109445182A
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- China
- Prior art keywords
- light source
- display
- fingerprint recognition
- display module
- blue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- G02F1/133621—Illuminating devices providing coloured light
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing
Abstract
The invention discloses a kind of display module and display devices, are related to field of display technology, are provided with viewing area and the non-display area around viewing area, and viewing area includes open region and non-open region；Display module includes display panel, field sequence type backlight module and fingerprint recognition mould group, and display panel is located at the light direction of field sequence type backlight module, and fingerprint recognition mould group is integrated in display panel；Display panel includes at least one pixel unit positioned at open region, and fingerprint recognition mould group includes the fingerprint Identification sensor that at least one is located at open region, and field sequence type backlight module includes red light source, green light source and blue-light source；In the display stage, red light source, green light source and blue-light source shine respectively；In the fingerprint recognition stage, at least the two in red light source, green light source and blue-light source shines simultaneously.The fingerprint recognition sensitivity for being so conducive to be promoted display module and display device is conducive to the experience effect for promoting user.
Description
Technical field
The present invention relates to field of display technology, more particularly, to a kind of display module and display device.
Background technique
Somatic fingerprint has uniqueness and indeformable, so that the safety of fingerprint recognition is stronger, simultaneously because its operation letter
It is single, it is therefore widely used in every field, for example, field of display technology.It in field of display technology, takes the mobile phone as an example, unlocks
Or when opening some specific application program, it can be completed by fingerprint recognition.
With the development of science and technology, occurring a variety of display devices with fingerprint identification function in the market, such as mobile phone, plate
Computer and intelligent wearable device etc..In this way, user is before operating the display device with fingerprint identification function, it is only necessary to use
The fingerprint recognition mould group of finger touch display unit, so that it may carry out Authority Verification, simplify Authority Verification process.
The existing display device with fingerprint identification function, a kind of form are presented as the lower fingerprint recognition of screen, i.e. fingerprint is known
Other mould group is located at side of the display module far from light-emitting surface, during fingerprint recognition, via the light for touching main body reflection
It can enter therefore how fingerprint recognition mould group it is enough ensures that fingerprint recognition mould group can recognize by all multiple film layers
Light is to realize that fingerprint identification function becomes technical problem urgently to be resolved at this stage.
Summary of the invention
In view of this, the present invention provides a kind of display module and display device, in the fingerprint recognition stage, in backlight module
Red light source, both at least luminous simultaneously in green light source and blue-light source, can provide and fill for fingerprint Identification sensor
The light of foot, thus be conducive to be promoted the sensitivity of fingerprint recognition, be conducive to the experience effect for promoting user.
In a first aspect, the application provides a kind of display module, it is provided with viewing area and around the non-display of the viewing area
Area, the viewing area include open region and non-open region；
The display module includes display panel, field sequence type backlight module and fingerprint recognition mould group, the display panel position
In the light direction of the field sequence type backlight module, the fingerprint recognition mould group is integrated in the display panel；
The display panel includes at least one pixel unit positioned at the open region, and the fingerprint recognition mould group includes
At least one is located at the fingerprint Identification sensor of the open region, and the field sequence type backlight module includes red light source, green light
Source and blue-light source；
In the display stage, the red light source, the green light source and the blue-light source shine respectively；In the fingerprint
Cognitive phase, it is both at least luminous simultaneously in the red light source, the green light source and the blue-light source.
Second aspect, the application also provide a kind of display device, including display module, which is the application implementation
Display module provided by example.
Compared with prior art, display module and display device provided by the invention at least realize following beneficial effect
Fruit:
Display module and display device provided herein, including display panel, field sequence type backlight module and integrated
In the display panel and positioned at the fingerprint recognition mould group of viewing area, open region is provided with pixel unit and fingerprint recognition sensing
Device, in the display stage, red light source, green light source and blue-light source in field sequence type backlight module shine respectively, are pixel list
Member provides light source；In red light source, green light source and the blue-light source in the fingerprint recognition stage, field sequence type backlight module extremely
It is both few to shine simultaneously, be conducive to increase moment light intensity, can thus there are more light to be irradiated to and touch in main body, via touching
Touching main body and reflexing to the light of fingerprint Identification sensor will increase, to be more advantageous to fingerprint Identification sensor to being incident on it
On optical signal be acquired, thus be conducive to promoted display module and display device fingerprint identification process sensitivity, favorably
In the usage experience effect for promoting user.
Certainly, implementing any of the products of the present invention specific needs while must not reach all the above technical effect.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 show a kind of top view of display module provided by the embodiment of the present application；
Fig. 2 show a kind of AA ' sectional view of display module provided by Fig. 1 embodiment；
Fig. 3 show a kind of BB ' sectional view of display panel in display module provided by Fig. 1 embodiment；
Fig. 4 show a kind of lighting timings of field sequence type backlight module in display module provided by the embodiment of the present application
Figure；
Fig. 5 show a kind of arrangement signal of fingerprint Identification sensor in display module provided by the embodiment of the present application
Figure；
Fig. 6 show a kind of schematic diagram of fingerprint Identification sensor in display module provided by the embodiment of the present application；
Fig. 7 show a kind of circuit diagram on display panel provided by the embodiment of the present application；
Fig. 8 show one kind of pixel unit and fingerprint Identification sensor in display module provided by the embodiment of the present application
Circuit connection diagram；
Fig. 9 show a kind of phase of pixel unit and fingerprint recognition mould group in display module provided by the embodiment of the present application
To location diagram；
Figure 10 show a kind of CC ' sectional view of display panel in display module provided by Fig. 1 embodiment；
Figure 11 show another AA ' sectional view of display module provided by Fig. 1 embodiment；
Figure 12 show a kind of structural schematic diagram of display device provided by the embodiment of the present application.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
The existing display device with fingerprint identification function, a kind of form are presented as the lower fingerprint recognition of screen, i.e. fingerprint is known
Other mould group is located at side of the display module far from light-emitting surface, during fingerprint recognition, via the light for touching main body reflection
It can enter therefore how fingerprint recognition mould group it is enough ensures that fingerprint recognition mould group can recognize by all multiple film layers
Light is to realize that fingerprint identification function becomes technical problem urgently to be resolved at this stage.
In view of this, the present invention provides a kind of display module and display device, in the fingerprint recognition stage, in backlight module
Red light source, both at least luminous simultaneously in green light source and blue-light source, can provide and fill for fingerprint Identification sensor
The light of foot, thus be conducive to be promoted the sensitivity of fingerprint recognition, be conducive to the experience effect for promoting user.
The principle of optical finger print identification is briefly described first.The light that light source issues in display panel is irradiated to touching
It touches in main body, is touched main body and reflect to form transmitting light, be formed by reflected light pass into fingerprint Identification sensor, fingerprint is known
Individual sensor is acquired optical signal incident thereon.Since there are specific lines on fingerprint, the ridge and paddy in finger
The intensity that position forms reflected light is different, finally makes the collected optical signal of each fingerprint Identification sensor institute different, into
And realize fingerprint identification function, user real identification can be determined accordingly.
It is described in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 show a kind of top view of display module provided by the embodiment of the present application, and Fig. 2 show Fig. 1 embodiment
A kind of AA ' sectional view of provided display module, Fig. 3 show display panel in display module provided by Fig. 1 embodiment
A kind of BB ' sectional view, referring to Figure 1 to Fig. 3, a kind of display module 100 provided by the embodiment of the present application is provided with display
Area 11 and non-display area 12 around viewing area 11, viewing area 11 include open region 111 and non-open region 112；
Display module 100 includes display panel 10, field sequence type backlight module 20 and fingerprint recognition mould group 30, display panel 10
Positioned at the light direction of field sequence type backlight module 20, fingerprint recognition mould group 30 is integrated in display panel 10；
Display panel 10 includes at least one pixel unit 60 positioned at open region 111, and fingerprint recognition mould group 30 includes extremely
Few one is located at the fingerprint Identification sensor 31 of open region 111, and field sequence type backlight module 20 includes red light source 21, green light source
22 and blue-light source 23；
In the display stage, red light source 21, green light source 22 and blue-light source 23 shine respectively；In the fingerprint recognition stage,
At least the two in red light source 21, green light source 22 and blue-light source 23 shines simultaneously.
Specifically, continuing with referring to Fig. 1 to Fig. 3, display module 100 provided by the embodiment of the present application includes display panel
10, field sequence type backlight module 20 and it is integrated in the fingerprint recognition mould group 30 of display panel 10, introduces fingerprint recognition mould group 30, makes
It obtains display panel 10 and has fingerprint identification function；Field sequence type backlight module 20 is introduced, which includes red
Color light source 21, green light source 22 and blue-light source 23, for backlight module compared to the prior art can only issue white light, this
Sequence formula backlight module 20 can issue the light of red, turquoise three kinds of different colours, be based on this, can be not provided in display panel 10
Color blocking, thus be conducive to improve the light transmittance of display module 100.Red in the display stage, in field sequence type backlight module 20
Light source 21, green light source 22 and blue-light source 23 shine respectively, provide light source for the normal display of pixel unit 60；Know in fingerprint
The other stage, red light source 21, green light source 22 in field sequence type backlight module 20 and in blue-light source 23 both at least simultaneously
It shines, only several LED light are that fingerprint Identification sensor 31 provides the mode of light source compared to the prior art, in the embodiment of the present application
At least the two in all red light sources 21, all green light sources 22 and all blue-light sources 23 shines simultaneously, can increase wink
Between light intensity, can thus have more light be irradiated to touch main body on, via touch main body reflex to fingerprint Identification sensor
31 light will increase, and be acquired to be more advantageous to fingerprint Identification sensor 31 to optical signal incident thereon, from
And be conducive to be promoted the sensitivity of 100 fingerprint identification process of display module, be conducive to the usage experience effect for promoting user.Fig. 4
It is shown a kind of light-source system of field sequence type backlight module in display module provided by the embodiment of the present application, which embodies
In fingerprint recognition phases red light source 21, green light source 22 and blue-light source 22 situation luminous simultaneously.
It should be noted that in fingerprint recognition stage, red light source 21, green light source 22 mentioned by the embodiment of the present application
It shining simultaneously at least the two in blue-light source 23, the two refers to all LED included by the light source of two kinds of colors, rather than
Two LED.Optionally, in the fingerprint recognition stage, red light source 21, green light source 22 and blue-light source 23 are whole while luminous,
More light can be so provided for fingerprint identification process, to be more conducive to promoting the fingerprint recognition of display module 100
Sensitivity.
Additionally it should be noted that, pixel unit 60 and fingerprint recognition are only shown schematically in embodiment illustrated in fig. 1
A kind of relative positional relationship of sensor 31, does not represent actual size and number；And Fig. 1 again illustrates only pixel unit
A kind of 60 arrangement mode, only schematically illustrates, and pixel unit 60 can also embody in some other embodiment of the application
For other arrangement modes, the application is to this without specifically limiting.In addition, fingerprint Identification sensor 31 is on display panel 10
Position can may be alternatively located between adjacent two column pixel unit 60 between adjacent rows pixel unit 60, fingerprint recognition pass
Quantity, size and the arrangement mode of sensor 31 can flexibly be set according to the actual situation, can be designed on display panel 10 one or
Multiple fingerprint identification regions, fingerprint identification region mentioned herein may include multiple fingerprint Identification sensors 31.
Optionally, Fig. 3 is referred to, display panel 10 includes the array substrate 101 being oppositely arranged and color membrane substrates 102, is referred to
Line identification mould group 30 is integrated in array substrate 101；
Color membrane substrates 102 include the shade 70 positioned at non-open region 112, and shade 70 is put down where array substrate 101
Orthographic projection of the orthographic projection in face with fingerprint Identification sensor 31 in 101 place plane of array substrate does not overlap.
Specifically, Fig. 3 is referred to, in display module 100 provided by the embodiment of the present application, display panel 10 is liquid crystal
Show panel 10, the display panel 10 is including array substrate 101 and color membrane substrates 102 and is filled in array substrate 101 and color film
Liquid crystal between substrate 102 is provided with shade 70, the region blocked in viewing area 11 by shade 70 on color membrane substrates 102
As non-open region 112 not is open region 111 by the region that shade 70 blocks.Open region 111 herein refers to showing
The permeable effective coverage of 10 glazed thread of panel, in some implementations of the prior art, such as signal wire on display panel 10
The region at place, thin film transistor (TFT) itself, there are also the region not fully light transmission where storage capacitors of stored voltage etc.,
Since the light by these regions is not exposed to the control of voltage therefore can not show correct grayscale, the black square in these regions
Battle array is blocked, and non-open region 112 is formed, opaque.It is electric that signal lead and thin film transistor (TFT) etc. are usually provided in non-open region 112
Road device, the fingerprint Identification sensor 31 in the application are located at open region 111, that is to say, that shade 70 is in array substrate 101
Orthographic projection of the orthographic projection of place plane with fingerprint Identification sensor 31 in 101 place plane of array substrate does not overlap, in this way, through
The light reflected by touch main body can smoothly reach fingerprint Identification sensor 31, to realize fingerprint identification function.
It should be noted that the touch main body mentioned in the embodiment of the present application is usually finger, the fingerprint of finger is by position
In the series of ridges and Gu Zucheng of finger tip skin surface, since the ridge and glass of fingerprint are close to and refractive index is similar with glass, light
Line is not easy to reflect in the ridge of fingerprint and the interface of glass, and between the paddy of fingerprint and glass and not in contact with, medium is air,
Refractive index is low.Light reaches glass and the interface of air is easy to happen reflection.Therefore, the reflection of the ridge of fingerprint and paddy for light
Rate is different, so that the intensity for the light that fingerprint Identification sensor 31 is experienced is different, generates the image of fingerprint.In the position of ridge
It is different that the place of setting is formed by the current signal size that the reflected light that reflected light is formed at the position of paddy is converted into, and then according to electricity
Stream signal magnitude can carry out fingerprint recognition.It should be noted that touching main body may be palm etc., palmmprint also can use
Realize detection and identification function, the application is to this without specifically limiting.
Optionally, Fig. 5 show one of fingerprint Identification sensor 31 in display module 100 provided by the embodiment of the present application
Kind arrangement schematic diagram, refers to Fig. 5, fingerprint Identification sensor 31 is arranged in array, and fingerprint recognition mould group 30 further includes at least one
A first storage capacitance 72, at least one first film transistor 71, extend in a first direction and arrange in a second direction
One grid line 61 extends in a second direction and hands over along the first data line 72 of first direction arrangement, first direction and second direction
Fork；
Grid along the first film transistor 71 of first direction arrangement connects same first grid polar curve 61, in a second direction
Same first data signal line of the first pole connection of the first film transistor 71 of arrangement, the second of each first film transistor 71
Pole is electrically connected with fingerprint Identification sensor 31 and the first storage capacitance 72 respectively.
Specifically, Fig. 5 shows the fingerprint identification region being made of in display module 100 multiple fingerprint recognition mould groups 30
A kind of composition schematic diagram, in the fingerprint recognition stage, first grid polar curve 61 is gated for sending line by line to first film transistor 71
Signal opens corresponding first film transistor 71, progressively scans to corresponding fingerprint Identification sensor 31, knows to fingerprint
Individual sensor 31 provides reversed bias voltage；When some or certain several fingerprint Identification sensors 31 are received via touch main body reflection
When light, electric signal can be converted optical signals under the action of reversed bias voltage, as can be seen from Figure 5, fingerprint recognition mould group 30
It further include the first storage capacitance 72, first storage capacitance 72 is in parallel with fingerprint Identification sensor 31, capacitance and fingerprint recognition
The capacitance of sensor 31 is identical, can detect the capacitance of capacitor by the first data line of data 72, thus to detect fingerprint line
The distribution situation of paddy and wrinkle ridge, fingerprint line paddy light leakage current is larger, and capacitance is smaller, and fingerprint wrinkle ridge light leakage current is smaller, capacitance compared with
Greatly, and then fingerprint identification function is realized.
Optionally, Fig. 6 show one of fingerprint Identification sensor 31 in display module 100 provided by the embodiment of the present application
Kind schematic diagram, the fingerprint Identification sensor 31 include p type semiconductor layer 311, intrinsic semiconductor layer 312 and the N-type set gradually
Semiconductor layer 313.
Specifically, Fig. 6 is referred to, fingerprint Identification sensor 31 provided by the embodiment of the present application can be presented as PIN photoelectricity
Diode, PIN photodiode be added between p type semiconductor layer 311 and n type semiconductor layer 313 one layer it is low-doped or not
What intrinsic (Intrinsic) semiconductor layer of doping was formed, wherein p type semiconductor layer 311 carries out p type impurity doping, and N-type is partly led
Body layer 313 carries out N-type impurity doping, and the side of ion implanting can be used in usual p type semiconductor layer 311 and n type semiconductor layer 313
Formula is adulterated to realize.Intrinsic semiconductor layer 312 is similar to medium, more sensitive to light, for receiving via touch main body
The light of reflection；When introducing intrinsic semiconductor layer 312 between p type semiconductor layer 311 and n type semiconductor layer 313, it is equivalent to increasing
The distance between big two electrodes of P-N junction junction capacity, make junction capacity become very little.P type semiconductor layer 311 and N-type semiconductor
The width of depletion layer is to increase with reverse biased and widen in layer 313, and with the increase of reverse bias, junction capacity will also become very
It is small.When applying reverse bias to PIN photodiode, when the light via touch main body reflection enters fingerprint Identification sensor 31
When, incident photon is absorbed by intrinsic semiconductor layer 312, due to reversed between p type semiconductor layer 311 and n type semiconductor layer 313
Bias is concentrated mainly on intrinsic semiconductor layer 312, will form high electric field area in 312 region of intrinsic semiconductor layer, is located at intrinsic half
The photo-generated carrier of conductor layer 312 accelerates under forceful electric power field action, conversion of the optical signal to electric signal is realized, in fingerprint
In identification process, the light intensity that ridge and the paddy of the touch main body received due to fingerprint Identification sensor 31 are reflected is different, makes
It is big to obtain the current/voltage signal that the reflected light formed by the position in ridge and the reflected light formed at the position of paddy are converted into
Then small difference can carry out fingerprint recognition according to current/voltage signal magnitude.
Optionally, Fig. 7 show a kind of circuit diagram on display panel 10 provided by the embodiment of the present application, please join
See Fig. 7, display panel 10 further includes the second gate line 81, in a second direction for extending in a first direction and arranging in a second direction
Extend and along the second data line 82 of first direction arrangement；
Adjacent two second gate lines 81 and adjacent two the second data lines 82, which intersect, limits a pixel unit 60, and one
Pixel unit 60 includes a pixel electrode 90 and is correspondingly arranged second thin film transistor (TFT) 92, pixel electrode 90 with and its is right
The second thin film transistor (TFT) 92 electrical connection that should be arranged.
Specifically, Fig. 7 is referred to, display panel 10 includes the second thin film transistor (TFT) 92 of array setting, it is known that, second
The basic structure of thin film transistor (TFT) 92 includes grid, source electrode and drain electrode, wherein grid is electrically connected with second gate line 81, source electrode
It is electrically connected with the second data line 82, drain electrode is electrically connected with pixel electrode 90.It should be noted that since provided herein shows
Show that mould group 100 using field sequence type backlight module 20, it is not necessary that color blocking is arranged in display panel 10, is being shown in the prior art
The mode of color blocking, one sub-pixel unit 60 of each corresponding region correspondence of color blocking, each sub-pixel unit are set on panel 10
A 60 corresponding pixel electrodes 90, and each sub-pixel unit 60 has required individual gate lines, data lines and film is brilliant
Body pipe controls；And the application no longer includes on display panel 10 in such a way that field sequence type backlight module 20 is not provided with colour cell
Sub-pixel unit 60, but be introduced directly into pixel unit 60, region overlay where a pixel unit 60 prior art
In at least three sub-pixel units 60 region, and a pixel unit 60 only needs a second gate line 81, one
Second data line 82 and second thin film transistor (TFT) 92 control, for mode compared with prior art, each pixel unit
60 are equivalent to and eliminate at least two data lines, correspond in entire display panel 10, be equivalent to eliminate 2/3 data line,
It substantially reduces after introducing fingerprint recognition component due to the crosstalk phenomenon that signal wire is intensive and may cause, enormously simplifies simultaneously
The wiring complexity of display panel 10 is conducive to the production process for simplifying display module 100, promotes the production of display module 100
Efficiency.
Optionally, Fig. 8 show pixel unit 60 and fingerprint recognition in display module 100 provided by the embodiment of the present application
A kind of circuit connection diagram of sensor 31, Fig. 9 show pixel unit in display module provided by the embodiment of the present application
With a kind of relative position relation figure of fingerprint recognition mould group, Fig. 8 and Fig. 9, first film transistor 71 and the second film are referred to
Transistor 92 the orthographic projection of 101 place plane of array substrate be located at adjacent first grid polar curve 61 and second gate line 81 it
Between.
Specifically, it refers to Fig. 8 and Fig. 9, in display module 100 provided by the embodiment of the present application, knows introducing fingerprint
After individual sensor 31, second gate line 81, the second data line 82 and the second film has been separately provided for fingerprint Identification sensor 31
Transistor 92, at this point, when the second thin film transistor (TFT) 92 being set between adjacent first grid polar curve 61 and second gate line 81,
Be conducive to reduce the occupied space of fingerprint recognition mould group 30 introduced, be conducive to reduce the two pixel lists adjacent along column direction
The distance between member 60, thus be conducive to the screen accounting that promotion introduces display module 100 after fingerprint recognition mould group 30.
Optionally, a kind of CC ' that Figure 10 show display panel 10 in display module 100 provided by Fig. 1 embodiment is cut
Face figure, this example show a kind of film layer structure figures of pixel unit 60, in conjunction with Fig. 3, Fig. 8 and Figure 10, the embodiment of the present application
In provided display module 100, first grid polar curve 61 and second gate line 81 make in same manufacturing process, the first data
Line 72 and the second data line 82 make in same manufacturing process, and first film transistor 71 and the second thin film transistor (TFT) 92 are same
It is made in one manufacturing process.In this way, fingerprint recognition mould group 30 can be integrated in using the existing production process of display module 100
On display panel 10, thus be conducive to save the production process of display module 100, promote the production efficiency of display module 100.
Optionally, Fig. 2 is referred to, in the embodiment, field sequence type backlight module 20 is down straight aphototropism mode set, fingerprint recognition
Orthographic projection and at least partly red light source 21, green light source 22 and blue light of the sensor 31 in 101 place plane of array substrate
Source 23 is overlapping, is the first red light source 21 with the red light source 21 that fingerprint Identification sensor 31 overlaps, and green light source 22 is first
Green light source 22, blue-light source 23 are the first blue-light source 23；
In the fingerprint recognition stage, at least the first red light source 21, the first green light source 22 and the first blue-light source 23 are simultaneously
It shines.
Specifically, Fig. 2 is referred to, when field sequence type backlight module 20 is down straight aphototropism mode set, field sequence type backlight module
Light source in 20 is distributed in entire viewing area 11 in the orthographic projection of 101 place plane of array substrate, when by fingerprint Identification sensor
31 when being integrated in viewing area 11, and at least partly light source orthographic projection of plane where underlay substrate is and fingerprint Identification sensor 31
Overlapping, this part light source includes the first red light source 21, the first green light source 22 and the first blue-light source 23, in fingerprint recognition
Stage, at least the first red light source 21, the first green light source 22 and the first blue-light source 23 shine simultaneously, are fingerprint identification process
Light is provided, three kinds of light sources shine simultaneously is conducive to be promoted the amount for the light that directive touches main body, is more conducive to increasing moment
Light intensity to be conducive to increase the amount for the light for reflexing to fingerprint Identification sensor 31 from touch main body, thus is conducive to be promoted
The sensitivity of fingerprint Identification sensor 31 promotes the usage experience effect of user.
Optionally, Figure 11 show another AA ' sectional view of display module 100 provided by Fig. 1 embodiment, the implementation
In example, field sequence type backlight module 20 is side entrance back module, in the fingerprint recognition stage, each red light source 21, green light source 22
It shines simultaneously with blue-light source 23.When field sequence type backlight module 20 is using side entrance back module, the fingerprint recognition stage, field sequence
All light sources in formula backlight module 20 shine simultaneously, so that more light can be got by touching main body, and then have more
Light via touch main body reflex in fingerprint Identification sensor 31, thus be more advantageous to promoted fingerprint identification process it is sensitive
Degree, promotes the usage experience effect of user.
Based on the same inventive concept, the application also provides a kind of display device 200, and Figure 12 show the embodiment of the present application institute
A kind of structural schematic diagram of the display device 200 of offer, referring to Figure 12, which includes the display mould in the application
Group 100.It should be noted that display device 200 provided by the embodiment of the present application can be with are as follows: mobile phone, tablet computer, TV
Any products or components having a display function such as machine, display, laptop, Digital Frame, navigator.It is shown in the application
The embodiment of showing device 200 can be found in any display module 100 in above-described embodiment, and repeating place, details are not described herein again.
Through the foregoing embodiment it is found that display module provided by the invention and display device, at least realizing following has
Beneficial effect:
Display module and display device provided herein, including display panel, field sequence type backlight module and integrated
In the display panel and positioned at the fingerprint recognition mould group of viewing area, open region is provided with pixel unit and fingerprint recognition sensing
Device, in the display stage, red light source, green light source and blue-light source in field sequence type backlight module shine respectively, are pixel list
Member provides area source；In red light source, green light source and the blue-light source in the fingerprint recognition stage, field sequence type backlight module
At least the two shines simultaneously, is conducive to increase moment light intensity, can thus have more light to be irradiated to and touch in main body, via
Touching main body and reflexing to the light of fingerprint Identification sensor will increase, to be more advantageous to fingerprint Identification sensor to being incident on
Optical signal thereon is acquired, to be conducive to be promoted the sensitivity of display module fingerprint identification process, is conducive to be promoted and be used
The usage experience effect at family.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (10)
1. a kind of display module, which is characterized in that be provided with viewing area and the non-display area around the viewing area, the display
Area includes open region and non-open region；
The display module includes display panel, field sequence type backlight module and fingerprint recognition mould group, and the display panel is located at institute
The light direction of field sequence type backlight module is stated, the fingerprint recognition mould group is integrated in the display panel；
The display panel includes at least one pixel unit positioned at the open region, and the fingerprint recognition mould group includes at least
One be located at the open region fingerprint Identification sensor, the field sequence type backlight module include red light source, green light source and
Blue-light source；
In the display stage, the red light source, the green light source and the blue-light source shine respectively；In the fingerprint recognition
It is stage, both at least luminous simultaneously in the red light source, the green light source and the blue-light source.
2. display module according to claim 1, which is characterized in that the display panel includes the array base being oppositely arranged
Plate and color membrane substrates, the fingerprint recognition mould group are integrated in the array substrate；
The color membrane substrates include the shade positioned at the non-open region, and the shade is in plane where the array substrate
Orthographic projection of the orthographic projection with the fingerprint Identification sensor in plane where the array substrate do not overlap.
3. display module according to claim 1, which is characterized in that the fingerprint Identification sensor is arranged in array, institute
Fingerprint recognition mould group is stated to further include at least one first storage capacitance, at least one first film transistor, prolong along first direction
First grid polar curve, in a second direction extension and the first data line arranged along first direction stretched and arranged in a second direction, institute
It states first direction and the second direction is intersected；
Grid along the first film transistor of first direction arrangement connects the same first grid polar curve, along described
Same first data signal line of the first pole connection of the first film transistor of second direction arrangement, each described first
Second pole of thin film transistor (TFT) is electrically connected with the fingerprint Identification sensor and first storage capacitance respectively.
4. display module according to claim 3, which is characterized in that the fingerprint Identification sensor includes setting gradually
P type semiconductor layer, intrinsic semiconductor layer and n type semiconductor layer.
5. display module according to claim 3, which is characterized in that the display panel further includes along the first direction
Extend and along the second direction arrangement second gate line, along the second direction extend and along the first direction arrangement
Second data line；
Adjacent two second gate lines and adjacent two second data lines, which intersect, limits a pixel unit, and one
A pixel unit includes a pixel electrode and is correspondingly arranged second thin film transistor (TFT), the pixel electrode with and its
Second thin film transistor (TFT) electrical connection being correspondingly arranged.
6. display module according to claim 5, which is characterized in that the first film transistor and second film
Transistor is located at the adjacent first grid polar curve and the second gate line in the orthographic projection of plane where the array substrate
Between.
7. display module according to claim 5, which is characterized in that the first grid polar curve and the second gate line exist
It being made in same manufacturing process, first data line and second data line make in same manufacturing process, and described
One thin film transistor (TFT) and second thin film transistor (TFT) make in same manufacturing process.
8. display module according to claim 1, which is characterized in that the field sequence type backlight module is downward back optical mode
Group, the fingerprint Identification sensor is in the orthographic projection of plane where the array substrate and at least partly described red light source, institute
It states green light source and the blue-light source is overlapping, be first red with the red light source that the fingerprint Identification sensor overlaps
Light source, the green light source are the first green light source, and the blue-light source is the first blue-light source；
In the fingerprint recognition stage, at least described first red light source, first green light source and first blue-light source are same
Shi Faguang.
9. display module according to claim 1, which is characterized in that the field sequence type backlight module is side entrance back mould
Group, in the fingerprint recognition stage, each red light source, the green light source and the blue-light source shine simultaneously.
10. a kind of display device, which is characterized in that any display module including claim 1 to 9.
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| CN201811550097.8A CN109445182B (en) | 2018-12-18 | 2018-12-18 | Display module and display device |
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| CN201811550097.8A CN109445182B (en) | 2018-12-18 | 2018-12-18 | Display module and display device |
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| CN109445182B CN109445182B (en) | 2022-02-18 |
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| CN110931533A (en) * | 2019-12-10 | 2020-03-27 | 武汉天马微电子有限公司 | Display panel, manufacturing method thereof and display device |
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