CN109031782A - The control method of display screen component, electronic equipment and electronic equipment - Google Patents
The control method of display screen component, electronic equipment and electronic equipment Download PDFInfo
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- CN109031782A CN109031782A CN201810860324.0A CN201810860324A CN109031782A CN 109031782 A CN109031782 A CN 109031782A CN 201810860324 A CN201810860324 A CN 201810860324A CN 109031782 A CN109031782 A CN 109031782A
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- light source
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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
- G02F1/133602—Direct backlight
-
- 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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Image Input (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
This application provides the control method of a kind of display screen component, electronic equipment and electronic equipment, display screen component includes: drive substrate, and drive substrate is located at viewing area；Fingerprint Identification sensor, fingerprint Identification sensor are set in drive substrate；And backlight assembly, backlight assembly is stacked with drive substrate, backlight assembly includes flexible circuit board, multiple first point light sources and multiple second point light sources, flexible circuit board is oppositely arranged with drive substrate, multiple first point light sources and multiple second point light sources are set on flexible circuit board at intervals, and it is located at side of the flexible circuit board towards drive substrate, first point light source is used to emit the first optical signal with the interaction of fingerprint lines, to form target optical signal, fingerprint Identification sensor is for receiving target optical signal, to identify finger print information, second point light source is used to provide backlight for display screen component.The application, which realizes, shields interior fingerprint recognition, to improve the screen accounting of electronic equipment.
Description
Technical field
This application involves electronic technology fields, and in particular to a kind of control of display screen component, electronic equipment and electronic equipment
Method processed.
Background technique
The fingerprint recognition component of electronic equipment in occupation of the space of non-display area so that the screen accounting of electronic equipment improve by
Resistance.And as high screen accounting demand of the user for electronic equipment is higher and higher, how to reduce fingerprint recognition component and occupies electronics
The area of the non-display area of equipment becomes problem to be solved to improve the screen accounting of electronic equipment.
Apply for content
This application provides the controlling parties of a kind of display screen component for realizing high screen accounting, electronic equipment and electronic equipment
Method.
On the one hand, this application provides a kind of display screen component, the display screen component has for displaying images aobvious
Show area, the display screen component includes:
Drive substrate, the drive substrate are located at the viewing area；
Fingerprint Identification sensor, the fingerprint Identification sensor are set in the drive substrate；And
Backlight assembly, the backlight assembly are stacked with the drive substrate, and the backlight assembly includes flexible circuit
Plate, multiple first point light sources and multiple second point light sources, the flexible circuit board are oppositely arranged with the drive substrate, described more
A first point light source and the multiple second point light source are set at intervals on the flexible circuit board, and are located at the flexibility
For circuit board towards the side of the drive substrate, first point light source is used to emit the first light with the interaction of fingerprint lines
Signal, to form target optical signal, the fingerprint Identification sensor is for receiving the target optical signal, to identify that fingerprint is believed
Breath, second point light source are used to provide backlight for the display screen component.
On the other hand, present invention also provides a kind of electronic equipment, the electronic equipment includes the display screen component.
In another aspect, the electronic equipment includes display screen present invention also provides the control method of a kind of electronic equipment
Component, display screen component have viewing area for displaying images, and the display screen component includes drive substrate, fingerprint recognition biography
Sensor and backlight assembly, the drive substrate are located at the viewing area, and the fingerprint Identification sensor is set to the drive substrate；
The backlight assembly is stacked with the drive substrate, and the backlight assembly includes flexible circuit board, multiple first point light sources
With multiple second point light sources, the flexible circuit board is oppositely arranged with the drive substrate, the multiple first point light source and institute
It states multiple second point light sources to be set at intervals on the flexible circuit board, and is located at the flexible circuit board towards the drive
The side of dynamic substrate, second point light source are used to provide backlight for the display screen component, which comprises
The processor controls the first optical signal of the transmitting of the first point light source and the interaction of fingerprint lines, to be formed
Target optical signal；
The processor controls the fingerprint Identification sensor and receives the target optical signal, and by the target optical signal
It is converted into target electric signal；
The processor identifies the finger print information of the fingerprint lines according to the target electric signal.
By the way that the first point light source, the first optical signal of the first point light source transmitting are arranged in the backlight assembly of display screen component
It interacts after projecting display screen component with fingerprint lines, to form target optical signal, which is shown screen assembly
Interior fingerprint Identification sensor receives, and in order to realize the identification of finger print information, fingerprint Identification sensor is located at display screen component
Viewing area in, prevent take up the space of the non-display area of electronic equipment, and then the screen accounting of electronic equipment can be improved.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for this field
For those of ordinary skill, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the sectional view of the first display screen component provided by the embodiments of the present application.
Fig. 2 is the top view of the first display screen component provided by the embodiments of the present application.
Fig. 3 is the top view of second of display screen component provided by the embodiments of the present application
Fig. 4 is the sectional view of the third display screen component provided by the embodiments of the present application
Fig. 5 is the top view of the 4th kind of display screen component provided by the embodiments of the present application.
Fig. 6 is the top view of the 5th kind of display screen component provided by the embodiments of the present application.
Fig. 7 is the top view of the 6th kind of display screen component provided by the embodiments of the present application.
Fig. 8 is the top view of the drive substrate of display screen component provided by the embodiments of the present application.
Fig. 9 is sectional view of the fingerprint Identification sensor along line A-A for the display screen component that Fig. 8 is provided.
Figure 10 is the sectional view of the first drive substrate that Fig. 8 is provided and fingerprint Identification sensor along line B-B.
Figure 11 is the sectional view of another drive substrate that Fig. 8 is provided and fingerprint Identification sensor along line B-B.
Figure 12 is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application.
Figure 13 is the sectional view along line C-C for a kind of electronic equipment that Figure 12 is provided.
Figure 14 is the flow chart of the control method of a kind of electronic equipment provided by the embodiments of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, the technical solution of the embodiment of the present application is carried out clear, complete
Ground description.
Referring to Fig. 1, Fig. 1 is a kind of display screen component 10 provided by the embodiments of the present application.Display screen component 10 has aobvious
Show area 11 and surrounds the non-display area 12 of the viewing area 11.Viewing area 11 is for showing image.The display screen component 10 wraps
It includes fingerprint Identification sensor 1 and successively folds touch substrate 2, drive substrate 3 and the backlight assembly 4 set.The touch substrate 2 can be with
It is stacked with drive substrate 3.Further, the touch substrate 2 can fit with drive substrate 3.Touch the outer of substrate 2
Surface can be used for the fingerprint lines F contact of user.The touch substrate 2 can be used for protecting drive substrate 2.Drive substrate 2
Positioned at the viewing area 11 of the display screen component 10.The fingerprint Identification sensor 1 is set in the drive substrate 3, i.e. fingerprint
Identification sensor 1 is located at the viewing area 11 of the display screen component 10.Backlight assembly 4 is stacked with the drive substrate 3, is driven
May exist gap between dynamic substrate 3 and backlight assembly 4.
Referring to Fig. 1, the backlight assembly 4 includes flexible circuit board 43, multiple first point light sources 41 and multiple second points
Light source 42.The multiple first point light source 41 and the multiple second point light source 42 are located at the flexible circuit board 43 at intervals
On, the multiple first point light source 41 and multiple second point light sources 42 are located at the flexible circuit board 43 towards the driving
The side of substrate 3.First point light source 41 and second point light source 42 are electrically connected the flexible circuit board 43.Described first
Point light source 41 can be used for emitting the first optical signal a with fingerprint lines F interaction, to form target optical signal a1.It can be with
Understand, the first optical signal a and fingerprint lines F interaction can be, and the first optical signal a is through the fingerprint lines F
Reflection, and then form the target optical signal a1.The fingerprint Identification sensor 1 can be used for receiving the target optical signal
A1, to identify finger print information.Second point light source 42 is emitted as the display screen component 10 and provides the second light of display brightness
Signal b, the second optical signal b are that display screen component 10 provides backlight.The wavelength and second light of the first optical signal a
The wavelength of signal b is different.
When the finger face of a user touches substrate 2, the first point light source 41 emits the first optical signal a, this first
Optical signal a and fingerprint lines F have an effect to form target optical signal a1.In other words, substrate 2 is touched when fingerprint lines F is contacted,
Or fingerprint lines F and touch substrate 2 be oppositely arranged and separately when, the first optical signal a be projected to fingerprint lines F simultaneously and fingerprint
Lines F has an effect to form target optical signal a1.Target optical signal a1 carries finger print information.Target optical signal a1 is by fingerprint line
Road F reflexes to the fingerprint Identification sensor 1, and the fingerprint Identification sensor 1 receives target optical signal a1 and believes target light
Number a1 is converted into target electric signal, and processor stores and identify the finger print information of fingerprint lines F according to target electric signal.
By being arranged the first point light source 41 in the backlight assembly 4 of display screen component 10, the of the transmitting of the first point light source 41
One optical signal a interacts after projecting display screen component 10 with fingerprint lines F, to form target optical signal a1, target light letter
Number a1 is shown the fingerprint Identification sensor 1 in screen assembly and receives, in order to realize the identification of finger print information, fingerprint recognition sensing
Device 1 is located in the viewing area 11 of display screen component, prevents take up the space of the non-display area 11 of electronic equipment, and then electricity can be improved
The screen accounting of sub- equipment.
In the present embodiment, referring to Fig. 1, fingerprint lines F has paddy F1 and ridge F2, when fingerprint lines F touches substrate 2
When, ridge F2 directly contacts the surface 211 for touching substrate 2, and paddy F1 then has the air gap between the surface 211 of touch substrate 2.
The refractive index n1 (for example, n1=1.55) of ridge F2 compared to air refractive index n2 (for example, n2=1) closer to touch substrate
2 refractive index n3 (for example, the n3=1.5 for common glass), therefore the first optical signal a is on the surface for touching substrate 2
The intensity of 211 reflected light is greater than the intensity in ridge F2 surface reflection.Therefore, the fingerprint obtained in fingerprint Identification sensor 1
In image, the brightness of the image-region corresponding to paddy F1 is stronger, and the brightness of the image-region corresponding to ridge F2 is weaker.Certainly, exist
In other embodiments, fingerprint lines F, which can be located at, to be touched on substrate 2, and separately with touch substrate 2, utilizes fingerprint lines F's
Paddy F1 and ridge F2 is different to the reflected intensity of light and obtains fingerprint image.
In the present embodiment, the first optical signal a can be infrared light, to reduce the dry of the display image to display screen component 10
It disturbs.Second optical signal b can be visible light.In other embodiments, the first optical signal a can also be near infrared light, purple
One of outer light, black light, visible light etc. or a variety of combinations.
In the present embodiment, referring to Fig. 1, first point light source 41 and second point light source 42 are mini LED.When
So, in other embodiments, the first point light source 41 and second point light source 42 can also be LED etc..Wherein, mini LED is
Filming, microminiaturization, array and tens microns of size of LED unit, mini LED can be realized each as OLED
The independent addressing of pixel, is operated alone luminous.
It should be understood that the display screen can be other having a display function for LCD display, OLED display screen etc.
Screen.
It should be understood that drive substrate 3 described herein can be the film crystal for being provided with multiple thin film transistor (TFT)s
Pipe array substrate, wherein drive substrate 3 can be used for driving the pixel unit of display screen component 10.In addition, drive substrate 3 is also
It can be color membrane substrates, wherein drive substrate 3 may be used to display screen component 10 and colour is presented.
Specifically, the fingerprint Identification sensor 1 is located in the drive substrate 3, specifically, fingerprint Identification sensor 1
It can be packaged in drive substrate 3 or fingerprint Identification sensor 1 can be set in the outer surface of drive substrate 3.In a kind of reality
It applies in mode, drive substrate 3 is thin-film transistor array base-plate, and the fingerprint Identification sensor 1 can be with the drive substrate 3
The thin film transistor (TFT) of upper array arrangement is located on the same floor, and is spaced apart from each other setting.The fingerprint Identification sensor 1 can be described thin
The thin film transistor (TFT) of array arrangement is formed in same processing procedure in film transistor array substrate 3.
It should be understood that referring to Fig. 1, avoiding multiple first point light to increase the structural strength of flexible circuit board 43
Spacing between source 41 and multiple second point light sources 42 and drive substrate 3 differs, and can carry the flexibility by support plate 44
Circuit board 43, the equipment parallel with drive substrate 3 of support plate 44, so that multiple first point light sources 41 and multiple second point light sources 42
Spacing between drive substrate 3 is equal, so that the display brightness of display screen component 10 is uniform.
By the way that the first point light source 41 is arranged in the second point light source 42 for providing display light source, the first point light source 41 can be used
In providing the optical signal of identification finger print information, shield interior fingerprint recognition to realize, the first point light source 41 and the second point light source 42 are arranged
On a flexible circuit board 43, i.e. the first point light source 41 and the second point light source 42 can share on a flexible circuit board 43
Space and circuit can reduce the quantity of device in this way, the space in electronic equipment be saved, it is also possible that display screen component 10
Device layout it is reasonable.
Further, referring to Fig. 2, the display screen component 10 further includes first control circuit 401 and the second control electricity
Road 402.The first control circuit 401 is electrically connected the multiple first point light source 41 and fingerprint Identification sensor 1.Described first
Control circuit 401 can be used for controlling the multiple first point light source 41 and emit the first optical signal a, and control the fingerprint
Identification sensor 1 receives the target optical signal a1.The second control circuit 402 is electrically connected the multiple second point light source
42.The second control circuit 402 can be used for controlling the multiple second point light source 42 and emit the second optical signal b.
It is to be appreciated that first control circuit 401 and second control circuit 402 can be mutually indepedent, and in other words, first
Control circuit 401, which can individually control the first point light source 41, to be lighted and (emits the first optical signal a), second control circuit 402 can
It is lighted with individually controlling the second point light source 42, two processes are not interfere with each other.Specifically, the fingerprint recognition and display of display component 10
It is two mutually independent processes, the application controls first by setting first control circuit 401 and second control circuit 402 respectively
Point light source 41 and the second point light source 42, in order to which in fingerprint recognition scene, the first point light source 41 can individually emit the first light
Signal a, and in display scene, the second point light source 42 can individually emit the second optical signal b, and in display and fingerprint recognition field
Jing Zhong, the first point light source 41 and the second point light source 42 can emit the optical signal for fingerprint recognition and the light letter for display simultaneously
Number, projected to realize and carry out different optical signal for different scenes, with improve the functionality of electronic equipment, flexibility and
Stability.
Further, first control circuit 401 can control the first point light source of part 41 and be in illuminating state (i.e. luminous shape
State) and first point light source 41 of another part be in OFF state (i.e. non-light emitting state).In other words, first control circuit
401, which can control local the first point light source 41, emits the first optical signal a, in order at the region corresponding to fingerprint lines F,
First point light source 41 emits the first optical signal a, and at the region for not corresponding to fingerprint lines F, and the first point light source 41, which is in, to be extinguished
State can avoid the need for all lighting all the first point light sources 41 in this way, reduce electric energy loss, increase user experience.
In other embodiments, first control circuit 401 and second control circuit 402 can be multiplexed, in other words, first
Control circuit 401 can control the first point light source 41 and the second point light source 42 is in illuminating state or second control circuit 402
It can control the first point light source 41 and the second point light source 42 be in illuminating state, to reduce the setting of control circuit.
In one embodiment, referring to Fig. 3, the display screen component 10 further includes sensing element 5.The sensing element 5
It is set on the touch substrate 2.The sensing element 5 is electrically connected the first control circuit 401.The sensing element 5 is used
In generation inductive signal.The first control circuit 401 is according to 41 points of the multiple first point light source of the actuated signal control
It is bright.
Specifically, the sensing element 5 can be pressure sensor, induction electrode, range sensor etc., the application is provided
Sensing element 5 include but is not limited to the following embodiments and the accompanying drawings:
In the first embodiment, referring to Fig. 3, the sensing element 5 is pressure sensor.The sensing element 5
For sensing the pressure value of touch control operation, when the pressure value is greater than preset pressure value, the first control circuit 401 is controlled
The multiple first point light source 41 emits the first optical signal a, and controls the fingerprint Identification sensor 1 and acquire the target
Optical signal a1.The preset pressure value can be the value greater than 0.Specifically, sensing element 5 can be set to entire touch substrate 2.
Sensing element 5 is to light the first point light source 41 to provide a trigger condition, so that fingerprint Identification sensor 1 is not needed any
Period all acquires the target optical signal a1, so as to reduce power consumption.
It is appreciated that in one embodiment, the multiple first point light source 41 can be controlled as lighting respectively or
Person extinguishes, and position coordinates of the sensing element 5 on finger touch substrate 2 can be with the multiple first point light source 42 in institute
It states and forms mapping relations between the position coordinates on flexible circuit board 43.In this way, when the induction member being located in a certain target area
When the pressure value that part 5 senses is greater than preset pressure value, the corresponding target can be controlled by the first control circuit 401
First point light source 42 in region is lighted.
In other embodiments, the second optical signal b that second point light source 42 emits can also be mutual with fingerprint lines F
Effect, to acquire finger print information.
In the second embodiment, referring to Fig. 3, the sensing element 5 is induction electrode.Sensing element 5 can be with
Fingerprint lines F forms capacitor.The sensing element 5 is used to sense the capacitor between the induction electrode and the fingerprint lines F
Value.When sensing element 5 senses that the capacitance of a certain target area is greater than predetermined capacitance (predetermined capacitance can be with
For the value greater than 0) when, illustrate that the target area has fingerprint lines F contact or close, the first control circuit 401
Control the multiple first point light source 41 and emit the first optical signal a, and control the fingerprint Identification sensor 1 acquire it is described
Target optical signal a1.Wherein, the first control circuit 401 can control multiple first point light sources corresponding to the target area
41 transmitting the first optical signal a, and control the fingerprint Identification sensor 1 corresponding to the target area and acquire the target
Optical signal a1.Sensing element 5 may be uniformly distributed in entire viewing area 11, at an arbitrary position in order to fingerprint lines F, induction member
Part 5 can be carried out capacitance detecting.Sensing element 5 is to light the first point light source 41 to provide a trigger condition, so that fingerprint
Identification sensor 1 does not need section at any time and all acquires the target optical signal a1, so as to reduce power consumption.
In one embodiment, referring to Fig. 4, the backlight assembly 4 further includes diffusion barrier 45.The diffusion barrier 45 is located at institute
It states between the first point light source 41 and second point light source 42 and the drive substrate 3.Wherein, the diffusion barrier 45 can be used for
So that repeatedly refraction, reflection and scattering occur for optical signal, optical signal can be corrected and form uniform area light source to reach optics diffusion
Effect.The first optical signal a that the diffusion barrier 45 can be used for emitting multiple first point light sources 41, which is uniformly diffused to, entirely to be led
Tabula rasa, to avoid the problem that the optical signal present in setting point light source is strong and optical signal at not set point light source is weak, from
And the uniformity of the optical signal of the injection of backlight assembly 4 is improved, to improve the reliability of fingerprint recognition on display screen component 10.
In other embodiments, referring to Fig. 4, backlight assembly 4 can also include bright enhancement film 47.Bright enhancement film 47 can be located at
Between diffusion barrier 45 and drive substrate 3, to increase the intensity for the optical signal for penetrating bright enhancement film 47.Bright enhancement film 47 is used for will not Tongfang
To optical signal assemble to perpendicular to viewing area 11 direction transmission.Wherein, bright enhancement film 47 may include the upper increasing being stacked
Light film and lower bright enhancement film.
It is mini LED or micro LED by the first point light source 41 of setting and second point light source 42, due to first
The size of point light source 41 and second point light source 42 is smaller, and a fairly large number of first point light can be arranged on flexible circuit board
Source 41 and second point light source 42, so that the first point light source 41 and second point light source 42 are densely distributed, the first point light source
41 and the light that is emitted of second point light source 42 is bright and distribution is more uniform, it may not need and light guide plate is set again to first point
The light that light source 41 and second point light source 42 are emitted carries out conduction and no setting is required reflector plate to 41 He of the first point light source
The light that second point light source 42 is emitted is reflected, so as to reduce the thickness of display screen component 10.
Referring to Fig. 2, the multiple first point light source 41 and the multiple second point light source 42 form array of source, it is described
The entire viewing area 11 of array of source face.
Specifically, referring to Fig. 2, multiple first point light sources 41 and multiple second point light sources 42 are separately arranged, and it is more
A first point light source 41 and multiple second point light sources 42 according to multiple lines and multiple rows sequential arrangement, to form rectangular array.First point
Light source 41 and the second point light source 42 are covered with entire viewing area 11, so that entire viewing area 11 can be lighted by the second point light source 42,
To provide the display brightness of viewing area 11.For example, the first point light source 41 can be arranged in array and the second point light source 42 is in array
Arrangement, and the first point light source 41 and the second point light source 42 are alternately arranged setting.Specifically, first point light source 41 can be located at
Between two the second point light sources 42, second point light source 42 can be located between two the first point light sources 41, i.e., the first point light
Source 41 is successively alternately arranged with the second point light source 42.Certainly, in other embodiments, N number of first point light source 41 and M second point
Light source 42 is successively alternately arranged, wherein N is the integer greater than 1, and M is the integer greater than 1.
In one embodiment, referring to Fig. 2, first point light source 41 can sporadically be distributed in entire viewing area, with
The optical signal for enabling the first point light source 41 to be emitted is scattered in entire viewing area 11, in order to which entire viewing area 11 can be examined
The fingerprint lines F of user is surveyed, to promote any position of full display screen that can realize fingerprint recognition.
In one embodiment, referring to Fig. 5, first point light source 41 is located at the viewing area 11 close to described non-display
The region in area 12.First point light source 41 is located at the fringe region of viewing area 11, to reduce the display function to viewing area 11
Influence.
In another embodiment, referring to Fig. 6, the first point light source 41 can be right against the partial zones of the viewing area 11
Domain.For example, the first point light source 41 is right against the central area of the viewing area 11.
In one embodiment, referring to Fig. 7, the viewing area 11 include two long sides 11a, 11b and the first short side 11c,
Second short side 11d.Described two long sides 11a, 11b are oppositely arranged, and the first short side 11c and the second short side 11d are oppositely arranged, described
Two long sides 11a, 11b are connected between the first short side 11c, the second short side 11d.Between first short side 11c and the second short side 11d
With boundary side.Boundary side is oppositely arranged with the first short side 11c.The boundary side 11e and the first short side 11c and two length
Side forms fingerprint identification area 11f, fingerprint identification area 11f described in 41 face of the first point light source.In other words, demarcate side 11e
Side have the first point light source 41, the other side of boundary side 11e is without the first point light source 41.Further, the first short side 11c is leaned on
The sound outlet hole 13 of nearly loudspeaker.When user holds and uses electronic equipment, the finger of user is close to the fingerprint identification area
11f in order to which finger lines can be placed in finger touch surface by user easily, and then increases user and carries out fingerprint recognition
Portability improves user experience.
Referring to Fig. 8, the drive substrate 3 can be thin-film transistor array base-plate.The drive substrate 3 includes multiple
Data line 32 and multiple scan lines 33.Multiple data lines 32 and multiple scan lines 33 form the pixel region 34 of multiple array arrangements.
Each pixel region 34 is generally rectangular shaped.The drive substrate 3 further includes and multiple thin film transistor (TFT)s 31.Each pixel region 34
Inside it is equipped with the thin film transistor (TFT) 31.The quantity of the fingerprint Identification sensor 1 is multiple.One fingerprint recognition passes
Sensor 1 is located in the pixel region 34.The fingerprint Identification sensor 1 be located at the identical pixel region 34 in it is described
Thin film transistor (TFT) 31 is diagonally positioned or is disposed adjacent.
In one embodiment, referring to Fig. 9, the fingerprint Identification sensor 1 includes photosensitive layer 101 and light shield layer 102.Institute
Light shield layer 102 is stated between the backlight assembly 4 and photosensitive layer 101.The resistance of photosensitive layer 101 is strong with received light
Degree is different and changes, and in other words, the photosensitive layer 101 can be detected according to the resistance value of photosensitive layer 101 and receives first
The intensity of optical signal a, by detect multiple fingerprint Identification sensors 1 photosensitive layer 101 received first optical signal a it is strong
Degree forms finger print information, which is compared with the finger print information prestored, can carry out fingerprint recognition.
Further, referring to Fig. 9, the material of the light shield layer 102 can be opaque material, to block backlight assembly
4 light penetrates the injection photosensitive layer 101 of light shield layer 102 to be led to not distinguish so as to cause the variation of the resistance of photosensitive layer 101
It whether is because of resistance variations caused by the optical signal of finger reflection.For example, the material of light shield layer is metallic aluminium AL etc..
Further, referring to Fig. 9, orthographic projection of the light shield layer 102 on photosensitive layer 101 covers the photosensitive layer 101, with
Photosensitive layer 101 is avoided to receive the optical signal incident from backlight assembly 4.
Specifically, photosensitive layer 101 may include vulcanized lead PbS perhaps indium tin zinc oxide ITZO or the oxidation of indium gallium zinc
Object IGZO etc..When the first optical signal a is infrared light or near infrared light, the material of photosensitive layer 101 can be vulcanized lead PbS etc.
There is the material of specific response to infrared light.When the first optical signal a is ultraviolet light or black light, the material of photosensitive layer 101
Matter can be the semiconductor materials such as indium tin zinc oxide ITZO or indium gallium zinc oxide IGZO.
Further, referring to Fig. 9, the fingerprint Identification sensor 1 further includes filter layer 103, the filter layer 103
In photosensitive layer 101 and touch between substrate 2.Filter layer 103 can be used for filtering sunlight or the second optical signal b etc., so that light
The first optical signal a that photosensitive layer 101 receives is purer.
Further, referring to Fig. 9, the fingerprint Identification sensor 1 further includes collector lens 104, the collector lens
104 are oppositely arranged with the filter layer 103, and the collector lens 104 is located at the filter layer 103 away from the photosensitive layer 101
Side.The collector lens 104 can be used for receiving the first optical signal a reflected by fingerprint lines F, and by the first optical signal a
Converge to photosensitive layer 101.
In one embodiment, referring to Fig. 10, the thin film transistor (TFT) 31 includes the substrate 311 being cascading, source
Drain electrode layer 312, insulating layer 313 and grid layer 314.The light shield layer 102 is located on the same floor with the substrate 311, described photosensitive
Layer 101 is located on the same floor with the source-drain electrode layer 312.The filter layer 103 is located on the same floor with the insulating layer 313, described
Collector lens 104 is located on the same floor with the grid layer 314.
In another embodiment, please refer to Figure 11, the thin film transistor (TFT) 31 include the substrate 311 being cascading,
Grid layer 314, insulating layer 313 and source-drain electrode layer 312.The light shield layer 102 is located on the same floor with the substrate 311, the light
Photosensitive layer 101 is located on the same floor with the grid layer 314.The filter layer 103 is located on the same floor with the insulating layer 313, described
Collector lens 104 is located on the same floor with the source-drain electrode layer 312.
In other embodiments, photosensitive layer 101 may be located on the other structures layer of drive substrate 3；Or photosensitive layer 101
It may be located on the outer surface of drive substrate 3；Or photosensitive layer 101 may be located in other layers except drive substrate 3.?
In other embodiments, filter layer 103 and collector lens 104 can be positioned at the outer surfaces of drive substrate 3, alternatively, 103 He of filter layer
Collector lens 104 can be located at the drive substrate 3 of display screen component 10 and touch other layers between substrate 2.
In one embodiment, Figure 12 is please referred to, the display screen component 10 further includes color membrane substrates 6, liquid crystal layer 8 and glue frame
9.The color membrane substrates 6 are oppositely arranged with the drive substrate 3.It touches substrate 2 to be covered on color membrane substrates 6, forms protective layer.
Touching in substrate 2 to include touch control electrode layer 21, to realize touch function.The color membrane substrates 6 are located at the driving base
Plate 3 deviates from the side of the backlight assembly 4.Second optical signal b pass through color membrane substrates 6 when with the color blocking layer phase in color membrane substrates 6
Interaction, color image is presented.The liquid crystal layer 8 is between the color membrane substrates 6 and the drive substrate 3.Liquid crystal layer 8
In liquid crystal molecule voltage effect under deflect, with control the second optical signal b project liquid crystal layer 8 intensity.The glue frame 9
The fixed color membrane substrates 6, the thin film transistor base plate and the backlight assembly 4, to form display screen component 10.
Figure 13 is please referred to, present invention also provides a kind of electronic equipment 100, any of the above-described implementation of the electronic equipment 100
Display screen component 10 described in mode.The electronic equipment 100 can be mobile phone, notebook, palm PC, electronic reader,
TV device, intelligent appliance, intelligent operation screen, smart home, wearable electronic, Vehicular display device etc. have display function
Electronic product.
In one embodiment, Fig. 1 and Figure 13 is please referred to, when fingerprint lines F, which is contacted, touches substrate, the processor 20 is sent out
It send and lights instruction to the first control circuit 401, first control circuit 401 lights the first point light source of fingerprint lines F face
41.It is lighted by the first point light source 41 of control part, not only realizes fingerprint recognition, but also energy consumption can be reduced.
Figure 14 is please referred to, in conjunction with reference Fig. 1 and Figure 13, present invention also provides the control method 200 of a kind of electronic equipment,
The control method 200 of the electronic equipment should can be used for electronic equipment 100 described in any of the above-described embodiment.The method
200 include the following steps.
201, the processor controls the first optical signal of the transmitting of the first point light source and the interaction of fingerprint lines, with
Form target optical signal.
Specifically, Fig. 1 and Figure 13 is please referred to, when fingerprint lines F touches substrate 2 or fingerprint lines F and touches
Substrate 2 be oppositely arranged and separately when, processor 20 controls the first optical signal a of the first point light source 41 transmitting, the first light letter
Number a is projected to fingerprint lines F, and interacts with fingerprint lines F, to form target optical signal a1, the target optical signal
A1 carries finger print information.
For example, fingerprint lines F has paddy F1 and ridge F2, when fingerprint lines F touches substrate 2, ridge F2 is directly contacted
The surface 211 of substrate 2 is touched, paddy F1 then has the air gap between the surface 211 of touch substrate 2.The refractive index n1 of ridge F2
(for example, n1=1.55) compared to air refractive index n2 (for example, n2=1) closer to touch substrate 2 refractive index n3 (example
Such as, the n3=1.5 for common glass), thus the first optical signal a touch substrate 2 surface 211 reflected light it is strong
Degree is greater than the intensity in ridge F2 surface reflection.Therefore, in the fingerprint image that fingerprint Identification sensor 1 obtains, correspond to paddy
The brightness of the image-region of F1 is stronger, and the brightness of the image-region corresponding to ridge F2 is weaker.
202, the processor controls the fingerprint Identification sensor and receives the target optical signal, and by the target light
Signal is converted into target electric signal.
Specifically, the processor 20 is electrically connected the fingerprint Identification sensor 1, target optical signal a1 is reflected onto described
Fingerprint Identification sensor 1, the photosensitive layer in fingerprint Identification sensor 1 receive target optical signal a1 and convert target optical signal a1
At target electric signal, fingerprint Identification sensor 1 is by target electric signal transmission to processor 20.
203, the processor identifies the finger print information of the fingerprint lines according to the target electric signal.
Specifically, processor 20 receives target electric signal and target electric signal is passed through fingerprint equipment algorithm process, so that
Ridge F2 on fingerprint lines F is white in the lines of black and the paddy on fingerprint lines F, to show the fingerprint of fingerprint lines F
Information.
204, the processor controls second point light source and provides display brightness for the display screen component.
Specifically, processor 20 controls second point light source 42 and sends out when electronic equipment 100 needs to carry out display function
Penetrating the second optical signal b, the second optical signal b can be such that entire viewing area 11 is lighted, to realize the display function of viewing area 11.
Specifically, in one embodiment, in the case where the second point light source 42 extinguishes, when fingerprint lines F is touched
When substrate 2, processor 20 controls the first point light source 41 and emits the first optical signal a, and the finger print information for carrying out fingerprint lines F is known
Not.Processor 20 judges whether the finger print information matches with pre-stored finger print information, if located the result is that match
Reason device 20 controls the second optical signal b of the second point light source 42 transmitting and lights viewing area 11；If the result is that mismatching, processor 20
It controls the second optical signal b of the second point light source 42 transmitting and lights viewing area 11 and display alarm " finger print information mismatch ".
In another embodiment, in the case where the second point light source 42 is lighted, when fingerprint lines F touches substrate 2
When, processor 20 controls the first point light source 41 and emits the first optical signal a, and carries out the finger print information identification of fingerprint lines F.Processing
Device 20 judges whether the finger print information matches with pre-stored finger print information, if carried out next the result is that match
A step；If the result is that mismatching, display alarm " finger print information mismatch ".
The above is the preferred embodiment of the application, it is noted that for those skilled in the art
For, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also considered as
The protection scope of the application.
Claims (20)
1. a kind of display screen component, the display screen component has viewing area for displaying images, which is characterized in that described aobvious
Display screen component includes:
Drive substrate, the drive substrate are located at the viewing area；
Fingerprint Identification sensor, the fingerprint Identification sensor are set in the drive substrate；And
Backlight assembly, the backlight assembly are stacked with the drive substrate, and the backlight assembly includes flexible circuit board, more
A first point light source and multiple second point light sources, the flexible circuit board are oppositely arranged with the drive substrate, and the multiple
One point light source and the multiple second point light source are set at intervals on the flexible circuit board, and are located at the flexible circuit
Towards the side of the drive substrate, first point light source is used to emit to be believed plate with the first light of fingerprint lines interaction
Number, to form target optical signal, the fingerprint Identification sensor is for receiving the target optical signal, to identify finger print information,
Second point light source is used to provide backlight for the display screen component.
2. display screen component as described in claim 1, which is characterized in that the display screen component further includes mutually independent first
Control circuit and second control circuit, the first control circuit are electrically connected the multiple first point light source and fingerprint recognition sensing
Device, first control emits first optical signal for the multiple first point light source of circuit control, and controls the finger
Line identification sensor receives the target optical signal, and the second control circuit is electrically connected the multiple second point light source, described
Second control circuit emits the second optical signal for controlling the multiple second point light source.
3. display screen component as claimed in claim 2, which is characterized in that the display screen component further includes touching substrate and sense
Answer element, the substrate that touches is located at the side that the drive substrate deviates from the backlight assembly, the touch substrate for
The fingerprint lines contact, the sensing element are set on the touch substrate, the sensing element electrical connection described first
Control circuit, the sensing element is for generating inductive signal, and the first control circuit is according to the actuated signal control institute
Multiple first point light sources are stated to light.
4. display screen component as claimed in claim 3, which is characterized in that the sensing element is pressure sensor, the sense
Answer element for sensing the pressure value of touch control operation, when the pressure value is greater than preset pressure value, the first control circuit
It controls the multiple first point light source and emits first optical signal, and control the fingerprint Identification sensor and acquire the target
Optical signal.
5. display screen component as claimed in claim 3, which is characterized in that the sensing element is induction electrode, the induction
Element is for the capacitance between the induction electrode and the fingerprint lines, when the capacitance is greater than predetermined capacitance,
The first control circuit controls the multiple first point light source and emits first optical signal, and controls the fingerprint recognition and pass
Sensor acquires the target optical signal.
6. display screen component as claimed in any one of claims 1 to 5, wherein, which is characterized in that the drive substrate includes multiple
Pixel region and multiple thin film transistor (TFT)s, the multiple pixel region are arranged in array, and are equipped with described in one in each pixel region
Thin film transistor (TFT), the quantity of the fingerprint Identification sensor be it is multiple, a fingerprint Identification sensor is located at described in one
In pixel region, the fingerprint Identification sensor be located at the identical pixel region in the thin film transistor (TFT) it is diagonally positioned or
It is disposed adjacent.
7. display screen component as claimed in claim 6, which is characterized in that the fingerprint Identification sensor includes photosensitive layer and screening
Photosphere, the light shield layer between the photosensitive layer and the backlight assembly, the light shield layer on the photosensitive layer just
Projection covers the photosensitive layer.
8. display screen component as claimed in claim 7, which is characterized in that the fingerprint Identification sensor further includes filter layer,
The filter layer is oppositely arranged with the photosensitive layer, and the filter layer is located at the side that the photosensitive layer deviates from the light shield layer.
9. display screen component as claimed in claim 8, which is characterized in that the fingerprint Identification sensor further includes that optically focused is saturating
Mirror, the collector lens are oppositely arranged with the filter layer, and the collector lens is located at the filter layer away from the photosensitive layer
Side.
10. display screen component as claimed in claim 9, which is characterized in that the thin film transistor (TFT) includes being cascading
Substrate, source-drain electrode layer, insulating layer and grid layer, the light shield layer is located on the same floor with the substrate, the photosensitive layer and institute
It states source-drain electrode layer to be located on the same floor, the filter layer is located on the same floor with the insulating layer, the collector lens and the grid
Layer is located on the same floor.
11. display screen component as claimed in any one of claims 1 to 5, wherein, which is characterized in that the multiple first point light source and
The multiple second point light source forms array of source, the entire viewing area of the array of source face.
12. display screen component as claimed in claim 11, which is characterized in that the display screen component further includes surrounding described show
Show that the non-display area in area, first point light source are located at the viewing area close to the region of the non-display area.
13. display screen component as claimed in claim 11, which is characterized in that the multiple first point light source is arranged in array,
And the multiple first point light source is alternately arranged with the multiple second point light source.
14. display screen component as claimed in claim 11, which is characterized in that the viewing area includes two long sides and two short
Side, described two long sides are oppositely arranged, and described two short sides are oppositely arranged, described two long sides be connected to described two short sides it
Between, there is boundary side, the boundary side and a short side and two long sides to form fingerprint between described two short sides
Cog region, fingerprint identification area described in the first point light source face.
15. the display screen component as described in claim 2~5 any one, which is characterized in that first optical signal is infrared
One of light, near infrared light, ultraviolet light, black light or a variety of combinations；Second optical signal is visible light.
16. display screen component as claimed in any one of claims 1 to 5, wherein, which is characterized in that first point light source and described
Second point light source is mini LED.
17. display screen component as claimed in any one of claims 1 to 5, wherein, which is characterized in that the backlight assembly further includes expanding
Film is dissipated, the diffusion barrier is between first point light source and second point light source and the drive substrate.
18. display screen component as claimed in any one of claims 1 to 5, wherein, which is characterized in that the display screen component further includes
Color membrane substrates and liquid crystal layer, the color membrane substrates are located at the side that the drive substrate deviates from the backlight assembly, the coloured silk film
Substrate is oppositely arranged with the drive substrate, and the liquid crystal layer is between the color membrane substrates and the drive substrate.
19. a kind of electronic equipment, which is characterized in that the electronic equipment includes as described in claim 1~18 any one
Display screen component.
20. the control method of a kind of electronic equipment, which is characterized in that the electronic equipment includes display screen component, display screen group
Part has viewing area for displaying images, and the display screen component includes drive substrate, fingerprint Identification sensor and backlight group
Part, the drive substrate are located at the viewing area, and the fingerprint Identification sensor is set to the drive substrate；The backlight assembly
It is stacked with the drive substrate, the backlight assembly includes flexible circuit board, multiple first point light sources and multiple second points
Light source, the flexible circuit board are oppositely arranged with the drive substrate, the multiple first point light source and the multiple second point
Light source is set at intervals on the flexible circuit board, and is located at the flexible circuit board towards the one of the drive substrate
Side, second point light source are used to provide backlight for the display screen component, which comprises
The processor controls the first optical signal of the transmitting of the first point light source and the interaction of fingerprint lines, to form target
Optical signal；
The processor controls the fingerprint Identification sensor and receives the target optical signal, and the target optical signal is converted
At target electric signal；
The processor identifies the finger print information of the fingerprint lines according to the target electric signal.
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| CN201810860324.0A CN109031782B (en) | 2018-07-31 | 2018-07-31 | Display screen assembly, electronic equipment and control method of electronic equipment |
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| CN201810860324.0A CN109031782B (en) | 2018-07-31 | 2018-07-31 | Display screen assembly, electronic equipment and control method of electronic equipment |
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| WO2021168967A1 (en) * | 2020-02-27 | 2021-09-02 | 武汉华星光电技术有限公司 | Display panel |
| US11830277B2 (en) | 2020-02-27 | 2023-11-28 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Display panel with integrated fingerprint sensor |
| CN111240062B (en) * | 2020-03-20 | 2023-04-07 | Oppo广东移动通信有限公司 | Liquid crystal display screen integrating fingerprint identification function and electronic device |
| CN111240062A (en) * | 2020-03-20 | 2020-06-05 | Oppo广东移动通信有限公司 | Liquid crystal display screen integrating fingerprint identification function and electronic device |
| CN111679478A (en) * | 2020-06-29 | 2020-09-18 | 武汉华星光电技术有限公司 | Liquid crystal display device |
| CN111679478B (en) * | 2020-06-29 | 2022-08-05 | 武汉华星光电技术有限公司 | Liquid crystal display device |
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