CN107886037A - Display device and electronic equipment - Google Patents

Display device and electronic equipment Download PDF

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Publication number
CN107886037A
CN107886037A CN201610874651.2A CN201610874651A CN107886037A CN 107886037 A CN107886037 A CN 107886037A CN 201610874651 A CN201610874651 A CN 201610874651A CN 107886037 A CN107886037 A CN 107886037A
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CN
China
Prior art keywords
area
display device
display panel
photoelectric sensor
fingerprint
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Granted
Application number
CN201610874651.2A
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Chinese (zh)
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CN107886037B (en
Inventor
刘安昱
江忠胜
唐矩
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Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
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Priority to CN201610874651.2A priority Critical patent/CN107886037B/en
Publication of CN107886037A publication Critical patent/CN107886037A/en
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Publication of CN107886037B publication Critical patent/CN107886037B/en
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    • 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
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a display
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G06F3/04886—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
    • 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
    • G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Image Input (AREA)

Abstract

The disclosure is directed to a kind of display device, including：Display panel；Fingerprint sensor, it is arranged on the first area of the display panel；Wherein, the second area in the display panel beyond first area is used for display image, and the first area is used to identify fingerprint, wherein, the first area is additionally operable to show virtual key and/or Status icons.According to the technical scheme of the disclosure, although the light transmittance of first area can be influenceed by fingerprint sensor, but the region is still printing opacity, namely be still can be with display content, therefore the contents such as virtual key, Status icons can be shown by the region, without showing the image shown by second area.Because virtual key, Status icons only need to show profile, user is less demanding for its display effect, therefore while fingerprint is identified by first area, virtual key, Status icons etc. can be shown by first area, so as to make full use of display panel.

Description

Display device and electronic equipment
Technical field
This disclosure relates to display technology field, more particularly to a kind of display device and a kind of electronic equipment.
Background technology
With the variation of intelligent terminal encryption/decryption, fingerprint this everyone is owned by, but is varied with each individual again Attribute, be increasingly taken seriously, therefore fingerprint identification module becomes increasingly popular to be integrated in intelligent terminal.
The fingerprint identification module in intelligent terminal (such as mobile phone) mainly includes being arranged on the intelligent terminal back side and just at present Two kinds of face, the fingerprint identification module for setting overleaf are normally at the upper zone of shell, are arranged on positive fingerprint recognition Module then integrates with HOME keys.
But no matter which kind of above-mentioned mode, be required for that fingerprint identification module is fabricated separately, be then disposed at intelligence again In terminal, manufacture craft is complex.
The content of the invention
The disclosure provides a kind of display device and a kind of electronic equipment, to solve the deficiency in correlation technique.
According to the first aspect of the embodiment of the present disclosure, there is provided a kind of display device, including：
Display panel；
Fingerprint sensor, it is arranged on the first area of the display panel；
Wherein, the second area in the display panel beyond first area is used for display image, and the first area is used In identification fingerprint, wherein, the first area is additionally operable to show virtual key and/or Status icons.
Alternatively, the first area is located at the edge of the display panel.
Alternatively, the display panel includes curved surface area, the first area be located in the curved surface area or with institute State curved surface area coincidence.
Alternatively, the display device also includes：
First control chip, the display panel is electrically connected to, when the first area for setting the fingerprint sensor and not When setting the second area of the fingerprint sensor to receive the signal of display same gray level, according to the signal and the firstth area The light transmittance of the light transmittance in domain and the second area, the GTG of the first area and/or the second area is adjusted, so that The first area is identical with the GTG that the second area is shown.
Alternatively, first control chip is used to improve and led to by the brightness and/or reduction of the light of the first area The brightness of the light of the second area is crossed, so that the first area is identical with the GTG that the second area is shown.
Alternatively, in the highest GTG that GTG corresponding to the signal can show for the display panel, described One control chip is used for the brightness for reducing the light by the second area, so that the first area and the second area show The GTG shown is identical.
Alternatively, the fingerprint sensor includes following at least one：
Photoelectric sensor, capacitance sensor, sonac.
Alternatively, when the fingerprint sensor is photoelectric sensor, the display panel includes array base palte, the battle array Row substrate includes：
Substrate；
Thin film transistor (TFT), it is arranged on the side of the substrate；
The photoelectric sensor, the side of the substrate is arranged on, for identifying fingerprint；
Passivation layer, it is arranged on the side of the thin film transistor (TFT) and the photoelectric sensor away from the substrate.
Alternatively, the array base palte also includes：
Flatness layer, it is arranged on side of the passivation layer away from the thin film transistor (TFT).
Alternatively, the display panel also includes：
Color membrane substrates, it is oppositely arranged with the array base palte；
Wherein, black matrix is provided with the color membrane substrates, the photoelectric sensor is oppositely arranged with the black matrix.
Alternatively, above-mentioned display device also includes：
Backlight module, it is arranged on side of the array base palte away from the color membrane substrates；
Touch module, side of the color membrane substrates away from the array base palte is arranged on, or is arranged on the array base Between plate and the color membrane substrates.
Alternatively, above-mentioned display device also includes：
Second control chip, the thin film transistor (TFT), the photoelectric sensor and the touch module are electrically connected to,
Wherein, when the touch module in the location sensitive of the corresponding photoelectric sensor to touching signals when, to described Second control chip transmission of control signals, to control the photoelectric sensor and the film corresponding with the photoelectric sensor Transistor starts.
Alternatively, above-mentioned display device also includes：
Data wire and pixel electrode, the thin film transistor (TFT) is electrically connected to the data wire and the pixel electrode, described Data wire transmits data-signal by the thin film transistor (TFT) to the pixel electrode；
Wherein, the control chip adjusts number corresponding with the photoelectric sensor when receiving the control signal According to line transmit data-signal so that from the backlight project light by being monochromatic light or white light after the display panel.
Alternatively, above-mentioned display device also includes：
State detection unit, it is configured as detecting the working condition of the display device, the working condition detected is passed Transport to the touch module；
Wherein, the touch module is when the location sensitive of the corresponding photoelectric sensor is to touching signals, it is determined that described Whether display device is in the state of fingerprint to be identified, if the state in fingerprint to be identified, transmits and controls to the control chip Signal processed.
According to the second aspect of the embodiment of the present disclosure, there is provided a kind of electronic equipment, including：
Processor；
For storing the memory of processor-executable instruction；
Wherein, the electronic equipment also includes display device, and the display device includes：
Display panel；
Fingerprint sensor, it is arranged on the first area of the display panel；
Wherein, the second area in the display panel beyond first area is used for display image, and the first area is used In identification fingerprint, wherein, the first area is additionally operable to show virtual key and/or Status icons.
The technical scheme provided by this disclosed embodiment can include the following benefits：
By above-described embodiment it is recognized that while the light transmittance of first area can be influenceed by fingerprint sensor, but the area Domain is still printing opacity, namely be still can with display content, therefore can pass through the region show virtual key, state diagram The contents such as mark, without showing the image shown by second area.Because virtual key, Status icons only need to show profile i.e. Can, user is less demanding for its display effect, therefore while fingerprint is identified by first area, can pass through the firstth area Domain shows virtual key, Status icons etc., so as to make full use of display panel.
It should be appreciated that the general description and following detailed description of the above are only exemplary and explanatory, not The disclosure can be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the disclosure Example, and be used to together with specification to explain the principle of the disclosure.
Figure 1A is a kind of structural representation of display device according to an exemplary embodiment.
Figure 1B is a kind of structural representation of display device of woods according to an exemplary embodiment.
Fig. 2 is a kind of structural representation of array base palte according to an exemplary embodiment.
Fig. 3 is the principle schematic of the fingerprint recognition according to an exemplary embodiment.
Fig. 4 is the structural representation of another array base palte according to an exemplary embodiment.
Fig. 5 is a kind of structural representation of display panel according to an exemplary embodiment.
Fig. 6 is the structural representation of another display panel according to an exemplary embodiment.
Fig. 7 is a kind of schematic flow diagram of the preparation method of array base palte according to an exemplary embodiment.
Fig. 8 is the schematic flow diagram of the preparation method of another array base palte according to an exemplary embodiment.
Fig. 9 is a kind of block diagram of display device according to an exemplary embodiment.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended The example of the consistent apparatus and method of some aspects be described in detail in claims, the disclosure.
Figure 1A is a kind of structural representation of display device according to an exemplary embodiment.Figure 1B is shown according to one Example property implements a kind of structural representation of display device of woods exemplified.As shown in FIG. 1A and 1B, hand is used as using display device Exemplified by machine, display device includes：
Display panel；
Fingerprint sensor, the first area of the display panel is arranged on, for identifying fingerprint；
Wherein, the second area in the display panel beyond first area is used for display image, and the first area is used In identification fingerprint, wherein, the first area is additionally operable to show virtual key and/or Status icons.
The position of first area and second area shown in Figure 1A and Figure 1B, shape, area etc. are only a kind of signals, and First area and second area may have the region of coincidence, can actually be arranged as required to first area and second area.
In one embodiment, as shown in Figure 1A, the virtual key shown in the first region can be included at least One of：
Menu key, return key, Home key.
Such as in the first area shown in Figure 1A, Menu key can be located at the left side of first area, and return key can position In the right side of first area, and Home key can be located at the centre of first area, to meet the operating habit of user, improve operation Experience.
In one embodiment, as shown in Figure 1B, the Status icons shown in the first region can include it is following at least One of：
Time, electricity, signal intensity.
Such as in the first area shown in Figure 1B, first area can set the position of status bar in the related art Put, and show the Status icons such as time, 4G signal intensities, electricity.
In one embodiment, fingerprint sensor can be photoelectric sensor or capacitance sensor, can also be Sonac.But no matter which kind of sensor, all can be to the light transmittance of its region because it is arranged in display panel Impact, so as to which when in the region display image, the display effect of its display effect and second area will have differences, So as to influence viewing effect.
Although the light transmittance of first area can be influenceed by fingerprint sensor, the region is still printing opacity, Being still can be with display content, therefore can show the contents such as virtual key, Status icons by the region, without showing Image shown by second area.Because virtual key, Status icons only need to show profile, user shows for it Effect requirements are not high, therefore while fingerprint is identified by first area, can show virtual key, shape by first area State icon etc., so as to make full use of display panel.
Alternatively, the first area is located at the edge of the display panel.
In one embodiment, first area is arranged on to the edge of display panel, such as the lower edge shown in Figure 1A, First area can be avoided to split second area, on the one hand can reduce the complexity of display panel content wiring, on the other hand The image that second area can be avoided to show is split by first area.
Alternatively, the display panel includes curved surface area, the first area be located in the curved surface area or with institute State curved surface area coincidence.
In one embodiment, in the case where display panel includes curved surface area, such as curved surface area is shown in Figure 1A The right side of display panel.Because the display effect of curved surface area is poor with respect to the display effect of plane domain, and general surface area The area in domain is smaller, is used for setting Status icons, virtual key etc., so as to which first area is also disposed in the curved surface area Or overlapped with the curved surface area, occupancy of the first area to display panel plane domain can be reduced so that display panel can The bigger plane picture of display.
Alternatively, above-mentioned display device also includes：
First control chip, the display panel is electrically connected to, when the first area for setting the fingerprint sensor and not When setting the second area of the fingerprint sensor to receive the signal of display same gray level, according to the signal and the firstth area The light transmittance of the light transmittance in domain and the second area, the GTG of the first area and/or the second area is adjusted, so that The first area is identical with the GTG that the second area is shown.In one embodiment, fingerprint sensor can be photoelectricity Sensor or capacitance sensor, can also be sonac, but no matter which kind of sensor, because it is arranged on In the effective coverage of display panel, the light transmittance of its region can all be impacted, therefore work as first area and the secondth area When domain receives the signal of display same gray level, if doing identical processing to the two regions, then because first area is deposited In blocking for fingerprint sensor, therefore the GTG that first area is shown can be less than the GTG that second area is shown, so as to influence to see See effect.
Such as the light transmittance of second area is 10%, and the light transmittance of first area is less than the light transmittance of second area, example Such as it is 5%.If the signal that first area and second area receive is display GTG 64, if according only to the signal received Adjust the GTG of first area and second area, then the GTG that second area is shown after adjustment is 64, and first area is due to saturating Light rate is the 1/2 of second area light transmittance, therefore the GTG of its display is also the 1/2 of second area, namely 32.
In one embodiment, can be according to the signal and the firstth area after the signal of display same gray level is received Three parameters of light transmittance and second area light transmittance in domain adjust the GTG of first area and second area.Still with second area Light transmittance be 10%, first area 5%, can a root for second area exemplified by the same gray level of required display is 64 It is adjusted according to the signal, the GTG of second area is also adjusted to 64, and for first area, for the ash shown Rank is adjusted to consistent with the GTG that second area is shown, can improve the brightness of the light by first area, and it is logical to make its brightness Cross the brightness of the light of second area 2 times, so that brighter light is when by light transmittance relatively low first area, Neng Gouxian Show with second area identical GTG, ensure the viewing effect of user.
Alternatively, first control chip is used to improve and led to by the brightness and/or reduction of the light of the first area The brightness of the light of the second area is crossed, so that the first area is identical with the GTG that the second area is shown.
In one embodiment, the brightness of the light by first area can be only improved, for example, it is the same with above-described embodiment, To be 2 times by the brightness of the light of second area by the brightness adjustment of the light of first area.
In one embodiment, the brightness of the light by second area, such as the bar in above-described embodiment can only be reduced Under part, by by the brightness adjustment of the light of second area to pass through the 1/2 of the brightness of the light of first area.In this case, Although the GTG that final first area and second area are shown still ensures that first less than the GTG of display required for signal The GTG that region and second area are shown is identical, still ensures that the uniformity of viewing effect, and can drop to a certain extent The power consumption of low display device.
In one embodiment, such as the light transmittance difference of the light transmittance of first area and second area is more than preset difference value (can be configured as needed, for example, 30%) in the case of, individually adjustment by the brightness difficulty of the light in some region compared with Greatly, such as need greatly to improve by the brightness of the light of first area or greatly reduce by second area The brightness of light, then the brightness by the light of first area can be both improved more by a small margin, and reduce more by a small margin by the The brightness of the light in two regions, relatively easily make it that first area is identical with the GTG that second area is shown.
Alternatively, in the highest GTG that GTG corresponding to the signal can show for the display panel, described One control chip is used for the brightness for reducing the light by the second area, so that the first area and the second area show The GTG shown is identical.
In one embodiment, such as the scope of GTG that can show of display panel is 0 to 255, if above-mentioned signal Corresponding GTG is 255, then improve the brightness by the light of first area anyway, the GTG that first area is shown all without Method reaches 255, therefore can be by reducing the brightness of the light by second area, to make first area and second area shows GTG is identical.
In the above-described embodiments, some region is improved or reduce by way of the brightness of light, can adjust the region The voltage of respective pixel electrode, so as to adjust the degree of deflection that the region corresponds to liquid crystal, and then change the light for passing through the region Brightness；Can also be adjust backlight module in should region light source brightness.
Alternatively, the fingerprint sensor includes following at least one：
Photoelectric sensor, capacitance sensor, sonac.
In one embodiment, photoelectric sensor can identify fingerprint by receiving the light of finger reflection, and ultrasound passes Sensor can identify fingerprint by receiving the ultrasonic wave of finger reflection, and capacitance sensor can be according to fingerprint valley ridge contact position Difference produce different capacitance variations value to identify fingerprint.
Fig. 2 is a kind of structural representation of array base palte according to an exemplary embodiment.As shown in Fig. 2 the battle array Row substrate includes：
Substrate 1.
In one embodiment, the material of substrate can be glass.And it is applied to flexible display apparatus in the array base palte When, then the material of substrate can be with flexible resin.
Thin film transistor (TFT) 2, it is arranged on the side of the substrate 1.
In one embodiment, as shown in Fig. 2 thin film transistor (TFT) 2 can include grid 21, active layer 22, the and of source electrode 23 Drained the structures such as 24, and gate insulation layer 5 is also provided between grid 21 and active layer 22.
Photoelectric sensor 3, the side of the substrate 1 is arranged on, for identifying fingerprint.
In one embodiment, photoelectric sensor can be used and formed with thin film transistor (TFT) identical technique in substrate, Such as pass through Patternized technique.
In one embodiment, the structure of photoelectric sensor is not limited to the structure shown in Fig. 2, and its position is not limited to figure Position shown in 2, and it is also not necessarily limited to being formed directly into substrate shown in Fig. 2.Such as photoelectric sensor can be formed thin On film transistor, namely photoelectric sensor is re-formed when forming source electrode and drain electrode or afterwards, in this case, the firstth area Domain and second area may have overlapping region.
Fig. 3 is the principle schematic that fingerprint recognition is shown according to an exemplary embodiment.As shown in figure 3, photoelectric sensor Can be the structures such as photodiode, phototriode, phototransistor, when user's finger is pressed against screen surface, light source The light of injection can be radiated on the fingerprint of finger by the structure such as prism, because the valley and a ridge height of fingerprint is different, ridge with Screen contact, and the gap full of air between screen then be present in paddy, so as to which light is radiated at the position back reflection of valley and a ridge Light it is also different, and then can basis there is also difference, photoelectric sensor by the light of lens entrance to photoelectric sensor The signal of this species diversity generation response, is the distribution situation that can determine that valley and a ridge in finger according to the signal, so that it is determined that user Fingerprint.
Passivation layer 4, it is arranged on the side of thin film transistor (TFT) 2 and the photoelectric sensor 3 away from the substrate 1.
In one embodiment, passivation layer can be made up of insulating materials, such as the material such as silica, silicon nitride.
In one embodiment, by setting photoelectric sensor in the substrate of array base palte, photoelectric sensing can be caused Device is integrated in array base palte., can be by placing a finger on corresponding array in display device is made by the array base palte The position of the second area of substrate carries out fingerprint recognition, without additionally setting fingerprint Identification sensor, letter in a display device Change manufacturing process, improve integrally-built stability and integrated level.
Fig. 4 is the structural representation of another array base palte according to an exemplary embodiment.As shown in figure 4, On the basis of embodiment illustrated in fig. 2, array base palte also includes：
Flatness layer 6, it is arranged on side of the passivation layer 4 away from the thin film transistor (TFT) 2.
In one embodiment, the passivation layer 4 shown in Fig. 2 is ideal situation, and its upper surface is more smooth.Actually Because the thin film transistor (TFT) and photoelectric sensor of the lower section of passivation layer 4 relative to substrate are prominent, then the upper surface of passivation layer 4 Actual meeting is as shown in figure 4, be non-smooth.By further forming flatness layer 6 on passivation layer 4, it is ensured that overall structure Upper surface it is more smooth, so as to thereon further formed other structures.
Alternatively, the photoelectric sensor include under it is at least one：
Photodiode, phototriode, phototransistor.
User can select photodiode and/or phototriode to sense as photoelectric sensor according to being actually needed Fingerprint.
The disclosure also proposed a kind of display panel, including above-mentioned array base palte.
Fig. 5 is a kind of structural representation of display panel according to an exemplary embodiment.As shown in figure 5, wherein The structure of thin film transistor (TFT) 2 and photoelectric sensor 3 is simplifiedly illustrated, the display panel includes above-mentioned array base palte, in addition to：
Color membrane substrates, it is oppositely arranged with the array base palte；
Wherein, black matrix 7 is provided with the color membrane substrates, the photoelectric sensor 3 is relative with the black matrix 7 to be set Put；
Liquid crystal layer 8, it is arranged between the array base palte and the color membrane substrates.
In one embodiment, color membrane substrates are except including black matrix, in addition to the color blocking area being arranged between black matrix, The color blocking material of respective color is filled in each color blocking area respectively, such as can include red color resistance area, green color blocking area and blueness Color blocking area, it can also further include white color blocking area.
Fig. 6 is the structural representation of another display panel according to an exemplary embodiment.It is as shown in fig. 6, aobvious Show that panel can include a plurality of data lines and a plurality of grid line, grid line and data wire, which intersect, defines multiple sub-pixels, word therein Symbol R, G, B represent that sub-pixel corresponds to red, green, blue sub-pixel respectively.In the structure shown in Fig. 5, black matrix (not shown in Fig. 6) The position that can be arranged on where data wire, grid line and/or thin film transistor (TFT), correspondingly, photoelectric sensor (not shown in Fig. 6) These positions can also be arranged on, so as to be blocked by black matrix.
In one embodiment, black matrix can be correspondingly arranged with thin film transistor (TFT), to reduce grid in thin film transistor (TFT) In influence of the scanning signal to liquid crystal, in this case, photoelectric sensor can be arranged on thin film transistor (TFT), so as to So that the position of thin film transistor (TFT), photoelectric sensor and black matrix three is corresponding.In one embodiment, although can pass through Transparent material makes photoelectric sensor, but photoelectric sensor can still reduce the light transmittance of its corresponding region, so as to influence to show Show the aperture opening ratio of panel.By the way that photoelectric sensor and black matrix are correspondingly arranged, because the presence of black matrix causes corresponding to it Region is light tight, therefore sets photoelectric sensor also will not further reduce light transmittance in the region, so as to relative at other Position sets photoelectric sensor, can improve the aperture opening ratio of display panel.
Alternatively, above-mentioned display device also includes：
Backlight module, it is arranged on side of the array base palte away from the color membrane substrates.
In one embodiment, backlight module can include light guide plate and be arranged on the lamp bar of light guide plate side, lamp bar hair The light gone out injects light guide plate, and passes through the refraction of light guide plate and reflect to form area source directive display panel.
Touch module, side of the color membrane substrates away from the array base palte is arranged on, or is arranged on the array base Between plate and the color membrane substrates.
In one embodiment, touch module can be self-induction type electric capacity or mutual inductance type electric capacity.Work as touch module When being arranged on side of the color membrane substrates away from the array base palte, its structure can be OGS structures (such as in color membrane substrates Touch module is formed on the protective glass in outside).And when touch module be arranged on the array base palte and the color membrane substrates it Between when, its structure can be On Cell structures (such as touch module be arranged on color membrane substrates side polarizer and substrate it Between) or In Cell structures (such as touch module is arranged on array base palte).User can select to touch as needed Control the concrete structure of module.
Alternatively, above-mentioned display device also includes：
Second control chip, the thin film transistor (TFT), the photoelectric sensor and the touch module are electrically connected to,
Wherein, when the touch module in the location sensitive of the corresponding photoelectric sensor to touching signals when, to described Second control chip transmission of control signals, to control the photoelectric sensor and the film corresponding with the photoelectric sensor Transistor starts.
In one embodiment, the second control chip can include the first integrated circuit, the second integrated circuit and with it is upper State the signal generator that two integrated circuits are electrically connected.
Wherein, signal generator is electrically connected to touch module, when receiving the control signal from touch module, generation Enabling signal is simultaneously sent to the first integrated circuit and the second integrated circuit.First integrated circuit can pass through grid line and film crystal Pipe electrically connects, when receiving enabling signal to the gate transport scanning signal of thin film transistor (TFT) so that thin film transistor (TFT) starts. , then can be by the cloth line traffic control photoelectric sensing that is connected with photoelectric sensor and the second integrated circuit is when receiving enabling signal Device starts.So as to when user carries out touch-control to position corresponding to photoelectric sensor, trigger the identification operation to user fingerprints.
Alternatively, above-mentioned display device also includes：
Data wire and pixel electrode, the thin film transistor (TFT) is electrically connected to the data wire and the pixel electrode, described Data wire transmits data-signal by the thin film transistor (TFT) to the pixel electrode；
Wherein, the control chip adjusts number corresponding with the photoelectric sensor when receiving the control signal According to line transmit data-signal so that from the backlight project light by being monochromatic light or white light after the display panel.
In one embodiment, data wire may be electrically connected to the source electrode of thin film transistor (TFT), and pixel electrode can pass through Via in passivation layer is electrically connected to the drain electrode of thin film transistor (TFT), so as to start (being referred to as turning on) in thin film transistor (TFT) When, the data-signal on data wire can be transmitted to pixel electrode by source electrode, active layer and drain electrode.
In one embodiment, because the light of photoelectric sensor sensing is to inject display panel from light guide plate, and pass through Display panel directive finger, then reflex to by finger the light of photoelectric sensor.And photoelectric sensor is for different colours light sensation The electric current that should be generated is different, therefore when from the mixed-color light of the just non-white light of display panel directive finger, by aobvious Show the light splitting effect of the material in panel, the color for the reflection light that photoelectric sensor different zones receive may be caused not Together, so that photoelectric sensor produces unstable electric current, testing result is influenceed.
And when from the just white light of display panel directive finger, the light splitting even across the material in display panel is made With white light can be still mixed into by eventually arriving at the light of photoelectric sensor.When the just monochromatic light from display panel directive finger When, light splitting effect can't occur in its communication process, the light for eventually arriving at photoelectric sensor still can be the monochromatic light.
So as to which control chip when receiving the control signal by adjusting data-signal, pixel electrode can be adjusted Voltage, to change the degree of deflection of the liquid crystal of photoelectric sensor position so that the red sub-pixel of the position, green sub-pixels, Blue subpixels are all turned on, and then can all be projected from the white light of backlight module injection display panel, and through display Still it is white light after panel, and then the light by user's finger reflection is also white light, the light for inciding photoelectric sensor is also white Light；Or make it that only monochrome sub-pixels are opened, such as red sub-pixel is opened, so as to which the white light in the only region can lead to Cross, and white light passes through the optical filtering of red color resistance material, can only be left feux rouges injection, is monochromatic so as to project the light of display panel Feux rouges, and then the light by user's finger reflection is also feux rouges, the light for inciding photoelectric sensor is also white light.
Alternatively, above-mentioned display device also includes：
State detection unit, it is configured as detecting the working condition of the display device, the working condition detected is passed Transport to the touch module；
Wherein, the touch module is when the location sensitive of the corresponding photoelectric sensor is to touching signals, it is determined that described Whether display device is in the state of fingerprint to be identified, if the state in fingerprint to be identified, transmits and controls to the control chip Signal processed.
Because photoelectric sensor is arranged in array base palte, namely the effective display area domain positioned at display panel, therefore use Family is when carrying out the operation of non-fingerprint recognition, it is also possible to click region corresponding to photoelectric sensor, and in this case if Photoelectric sensor is started, then electricity can be caused to waste.
In one embodiment, by further detecting the working condition of display device, photoelectricity can be clicked in user During sensor correspondence position, determine whether display device is in the state of fingerprint to be identified, wherein fingerprint state to be identified can wrap Screen lock state, checking fingerprint payment status etc. are included, and when display device is in the state, it may be determined that user clicks on photoelectric transfer The operation of sensor correspondence position be carry out fingerprint recognition, and then restart photoelectric sensor can be effectively prevented from electricity waste and Loss caused by switching photoelectric sensor.
Corresponding with the embodiment of foregoing array base palte, the disclosure additionally provides the implementation of the preparation method of array base palte Example.
Fig. 7 is a kind of schematic flow diagram of the preparation method of array base palte according to an exemplary embodiment.Such as Fig. 7 Shown, the preparation method comprises the following steps：
In step S71, in the first area of the side of substrate, thin film transistor (TFT) is formed by Patternized technique.
In step S72, the second area in the side of the substrate, formed by Patternized technique for identifying fingerprint Photoelectric sensor.
In step S73, formed in the side of the thin film transistor (TFT) and the photoelectric sensor away from the substrate blunt Change layer.
In one embodiment, if photoelectric sensor is also formed in substrate, then step S61's and step S62 can be with Perform simultaneously, namely photoelectric sensor is formed while thin film transistor (TFT) is formed.If photoelectric sensor is formed in film crystal On pipe, then step S61 can be first carried out and perform step S62 again, and can also further be set on thin film transistor (TFT) Insulating barrier is put, the source electrode in thin film transistor (TFT) and drain electrode are mutually insulated with photoelectric sensor.
Fig. 8 is the schematic flow diagram of the preparation method of another array base palte according to an exemplary embodiment.Such as Shown in Fig. 8, on the basis of embodiment illustrated in fig. 7, above-mentioned preparation method also includes：
In step S74, flatness layer is formed in side of the passivation layer away from the thin film transistor (TFT).
On the preparation method in above-described embodiment, wherein the concrete mode of each step is in associated array substrate It is described in detail in embodiment, explanation will be not set forth in detail herein.
Fig. 9 is a kind of block diagram of display device 900 according to an exemplary embodiment.For example, device 900 can be Mobile phone, computer, digital broadcast terminal, messaging devices, game console, tablet device, Medical Devices, body-building are set It is standby, personal digital assistant etc..
Reference picture 9, device 900 can include following one or more assemblies：Processing component 902, memory 904, power supply Component 908, multimedia groupware 908, audio-frequency assembly 910, the interface 912 of input/output (I/O), sensor cluster 914, and Communication component 918, in addition to display device, the display device include：Display panel；Fingerprint sensor, it is arranged on described aobvious Show the first area of panel；Wherein, the second area in the display panel beyond first area is used for display image, and described One region is used to identify fingerprint, wherein, the first area is additionally operable to show virtual key and/or Status icons.
The integrated operation of the usual control device 900 of processing component 902, such as communicated with display, call, data, phase The operation that machine operates and record operation is associated.Processing component 902 can refer to including one or more processors 920 to perform Order.In addition, processing component 902 can include one or more modules, the friendship being easy between processing component 902 and other assemblies Mutually.For example, processing component 902 can include multi-media module, to facilitate between multimedia groupware 908 and processing component 902 Interaction.
Memory 904 is configured as storing various types of data to support the operation in device 900.These data are shown Example includes being used for any application program operated on device 900, contact data, telephone book data, message, picture, video Deng.Memory 904 can be realized by any kind of volatibility or non-volatile memory device or combinations thereof, such as static Random access memory (SRAM), Electrically Erasable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory EPROM (EPROM), programmable read only memory (PROM), read-only storage (ROM), magnetic memory, flash memory, disk or light Disk.
Power supply module 908 provides electric power for the various assemblies of device 900.Power supply module 908 can include power management system System, one or more power supplys, and other components associated with generating, managing and distributing electric power for device 900.
Multimedia groupware 908 is included in the screen of one output interface of offer between described device 900 and user.One In a little embodiments, screen can include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen Curtain may be implemented as touch-screen, to receive the input signal from user.Touch panel includes one or more touch sensings Device is with the gesture on sensing touch, slip and touch panel.The touch sensor can not only sensing touch or sliding action Border, but also detect and touched or the related duration and pressure of slide with described.In certain embodiments, more matchmakers Body component 908 includes a front camera and/or rear camera.When device 900 is in operator scheme, such as screening-mode or During video mode, front camera and/or rear camera can receive outside multi-medium data.Each front camera and Rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio-frequency assembly 910 is configured as output and/or input audio signal.For example, audio-frequency assembly 910 includes a Mike Wind (MIC), when device 900 is in operator scheme, during such as call model, logging mode and speech recognition mode, microphone by with It is set to reception external audio signal.The audio signal received can be further stored in memory 904 or via communication set Part 918 is sent.In certain embodiments, audio-frequency assembly 910 also includes a loudspeaker, for exports audio signal.
I/O interfaces 912 provide interface between processing component 902 and peripheral interface module, and above-mentioned peripheral interface module can To be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and lock Determine button.
Sensor cluster 914 includes one or more sensors, and the state for providing various aspects for device 900 is commented Estimate.For example, sensor cluster 914 can detect opening/closed mode of device 900, and the relative positioning of component, for example, it is described Component is the display and keypad of device 900, and sensor cluster 914 can be with 900 1 components of detection means 900 or device Position change, the existence or non-existence that user contacts with device 900, the orientation of device 900 or acceleration/deceleration and device 900 Temperature change.Sensor cluster 914 can include proximity transducer, be configured to detect in no any physical contact The presence of neighbouring object.Sensor cluster 914 can also include optical sensor, such as CMOS or ccd image sensor, for into As being used in application.In certain embodiments, the sensor cluster 914 can also include acceleration transducer, gyro sensors Device, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 918 is configured to facilitate the communication of wired or wireless way between device 900 and other equipment.Device 900 can access the wireless network based on communication standard, such as WiFi, 2G or 3G, or combinations thereof.In an exemplary implementation In example, communication component 918 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel. In one exemplary embodiment, the communication component 918 also includes near-field communication (NFC) module, to promote junction service.Example Such as, in NFC module radio frequency identification (RFID) technology can be based on, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology, Bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 900 can be believed by one or more application specific integrated circuits (ASIC), numeral Number processor (DSP), digital signal processing appts (DSPD), PLD (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic components are realized.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instructing, example are additionally provided Such as include the memory 904 of instruction, above-mentioned instruction can be performed by the processor 920 of device 900.For example, the non-transitory meter Calculation machine readable storage medium storing program for executing can be that ROM, random access memory (RAM), CD-ROM, tape, floppy disk and optical data storage are set It is standby etc..
Those skilled in the art will readily occur to the disclosure its after considering specification and putting into practice disclosure disclosed herein Its embodiment.The application is intended to any modification, purposes or the adaptations of the disclosure, these modifications, purposes or Person's adaptations follow the general principle of the disclosure and including the undocumented common knowledges in the art of the disclosure Or conventional techniques.Description and embodiments are considered only as exemplary, and the true scope of the disclosure and spirit are by following Claim is pointed out.
It should be appreciated that the precision architecture that the disclosure is not limited to be described above and is shown in the drawings, and And various modifications and changes can be being carried out without departing from the scope.The scope of the present disclosure is only limited by appended claim.

Claims (15)

  1. A kind of 1. display device, it is characterised in that including：
    Display panel；
    Fingerprint sensor, it is arranged on the first area of the display panel；
    Wherein, the second area in the display panel beyond first area is used for display image, and the first area is used to know Other fingerprint, wherein, the first area is additionally operable to show virtual key and/or Status icons.
  2. 2. display device according to claim 1, it is characterised in that the first area is located at the side of the display panel Edge.
  3. 3. display device according to claim 1, it is characterised in that the display panel includes curved surface area, and described One region is located in the curved surface area or overlapped with the curved surface area.
  4. 4. display device according to claim 1, it is characterised in that also include：
    First control chip, the display panel is electrically connected to, when the first area for setting the fingerprint sensor and be not provided with When the second area of the fingerprint sensor receives the signal of display same gray level, according to the signal and first area The light transmittance of light transmittance and the second area, the GTG of the first area and/or the second area is adjusted, so that described First area is identical with the GTG that the second area is shown.
  5. 5. display device according to claim 1, it is characterised in that first control chip is used to improve by described The brightness of the light of first area and/or the brightness for reducing the light for passing through the second area, so that the first area and described The GTG that second area is shown is identical.
  6. 6. display device according to claim 5, it is characterised in that in GTG corresponding to the signal be the display surface During the highest GTG that plate can be shown, first control chip is used for the brightness for reducing the light by the second area, with The GTG for making the first area be shown with the second area is identical.
  7. 7. display device according to any one of claim 1 to 6, it is characterised in that the fingerprint sensor include with Lower at least one：
    Photoelectric sensor, capacitance sensor, sonac.
  8. 8. display device according to claim 7, it is characterised in that when the fingerprint sensor is photoelectric sensor, The display panel includes array base palte, and the array base palte includes：
    Substrate；
    Thin film transistor (TFT), it is arranged on the side of the substrate；
    The photoelectric sensor, the side of the substrate is arranged on, for identifying fingerprint；
    Passivation layer, it is arranged on the side of the thin film transistor (TFT) and the photoelectric sensor away from the substrate.
  9. 9. display device according to claim 8, it is characterised in that the array base palte also includes：
    Flatness layer, it is arranged on side of the passivation layer away from the thin film transistor (TFT).
  10. 10. display device according to claim 8, it is characterised in that the display panel also includes：
    Color membrane substrates, it is oppositely arranged with the array base palte；
    Wherein, black matrix is provided with the color membrane substrates, the photoelectric sensor is oppositely arranged with the black matrix.
  11. 11. display device according to claim 8, it is characterised in that also include：
    Backlight module, it is arranged on side of the array base palte away from the color membrane substrates；
    Touch module, be arranged on side of the color membrane substrates away from the array base palte, or be arranged on the array base palte with Between the color membrane substrates.
  12. 12. display device according to claim 11, it is characterised in that also include：
    Second control chip, the thin film transistor (TFT), the photoelectric sensor and the touch module are electrically connected to,
    Wherein, when the touch module is corresponding to the location sensitive of the photoelectric sensor to touching signals, to described second Control chip transmission of control signals, to control the photoelectric sensor and the film crystal corresponding with the photoelectric sensor Pipe starts.
  13. 13. display device according to claim 11, it is characterised in that also include：
    Data wire and pixel electrode, the thin film transistor (TFT) are electrically connected to the data wire and the pixel electrode, the data Line transmits data-signal by the thin film transistor (TFT) to the pixel electrode；
    Wherein, the control chip adjusts data wire corresponding with the photoelectric sensor when receiving the control signal The data-signal of transmission so that from the backlight project light by being monochromatic light or white light after the display panel.
  14. 14. display device according to claim 11, it is characterised in that also include：
    State detection unit, be configured as detecting the working condition of the display device, by the working condition detected transmit to The touch module；
    Wherein, the touch module determines the display when the location sensitive of the corresponding photoelectric sensor is to touching signals Whether device is in the state of fingerprint to be identified, if the state in fingerprint to be identified, control letter is transmitted to the control chip Number.
  15. 15. a kind of electronic equipment, it is characterised in that including：
    Processor；
    For storing the memory of processor-executable instruction；
    Wherein, the electronic equipment also includes display device, and the display device includes：
    Display panel；
    Fingerprint sensor, it is arranged on the first area of the display panel；
    Wherein, the second area in the display panel beyond first area is used for display image, and the first area is used to know Other fingerprint, wherein, the first area is additionally operable to show virtual key and/or Status icons.
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