CN111506886A - Full-screen touch fingerprint unlocking induction component, mobile terminal and method - Google Patents
Full-screen touch fingerprint unlocking induction component, mobile terminal and method Download PDFInfo
- Publication number
- CN111506886A CN111506886A CN201910101027.2A CN201910101027A CN111506886A CN 111506886 A CN111506886 A CN 111506886A CN 201910101027 A CN201910101027 A CN 201910101027A CN 111506886 A CN111506886 A CN 111506886A
- Authority
- CN
- China
- Prior art keywords
- fingerprint
- mobile terminal
- touch
- sensor
- driving chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06—COMPUTING OR CALCULATING; 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
- G06V40/1365—Matching; Classification
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Telephone Function (AREA)
- Image Input (AREA)
Abstract
The invention provides a full-screen touch fingerprint unlocking method, wherein a mobile terminal comprises an induction component and a drive chip, the induction component comprises a fingerprint sensor and a touch sensor which are integrated on the surface of an array substrate, and the unlocking method comprises the following steps: when the mobile terminal is in a locked state, determining whether a fingerprint identification operation is detected; when the fingerprint identification operation is detected, the driving chip receives a verification signal and judges whether the operation is a validity operation; when the validity operation is confirmed, the driving chip receives a driving signal and drives the fingerprint sensor to collect fingerprint characteristic information, and whether the fingerprint characteristic information is matched with preset fingerprint information is verified; when the matching is confirmed to be successful, the driving chip receives a first control signal to wake up the mobile terminal, so that unlocking is completed and the mobile terminal is switched to a bright screen state; the fingerprint sensor and the touch sensor are respectively composed of oxide semiconductors of low-temperature polycrystalline oxide. Therefore, the touch/unlocking function of the full display area is realized.
Description
Technical Field
The present invention relates to the field of display panel technology, and more particularly, to a sensing device, a mobile terminal and a method for performing a fingerprint recognition by using an array layout formed by manufacturing a photosensitive circuit with an Oxide semiconductor (Oxide) in L TPO (L ow temperature multiplied crystal Oxide) process.
Background
With the diversity of the application requirements of consumers, based on the improvement of the display resolution and the progress of the process, the design of advanced applications also develops more flexible spaces at the same time, and further achieves the terminal application which cannot be realized in the past. Such as on-screen fingerprint recognition. Fingerprints are unique to each individual. With the development of science and technology, a variety of display devices with fingerprint identification functions appear in the market, such as mobile phones, tablet computers, intelligent wearable devices and the like. Therefore, before the user operates the display device with the fingerprint identification function, the user only needs to touch the fingerprint identification sensor of the display device with a finger to carry out authority identification, and the authority identification process is simplified. In the existing display device with the fingerprint identification function, light rays emitted by a fingerprint identification light source can irradiate a plurality of fingerprint identification sensors after being reflected by a finger, so that each fingerprint identification sensor receives a fingerprint signal corresponding to the fingerprint identification sensor and crosstalk signals of other positions, and the fingerprint identification accuracy of the fingerprint identification sensors is influenced.
At present, due to the limitation of the appearance structure, the fingerprint module in the related technology can only limit the fingerprint identification in the fixed area of the mobile phone, the upper surface of the display component can be divided into a transparent window area and a frame area, the transparent window area has a touch function, and the fingerprint module is arranged at the frame area, so that the fingerprint identification can be realized only in the frame area of the mobile phone or the back of the mobile phone shell by attaching the fingerprint module; therefore, the fingerprint identification function is limited in the frame area, the transparent window area in the surface cannot be realized to have the fingerprint identification function, the frame of the display assembly is large, and the screen occupation ratio cannot be effectively improved. Furthermore, as shown in fig. 1, the conventional method is to add an FOD optical touch module to the display screen module, and this method can only achieve the function of local fingerprint touch and has a relatively high manufacturing cost.
In view of the above, the present inventors have made diligent experiments and studies to overcome the above-mentioned shortcomings in the prior art, and as a result, the present invention provides a touch panel that uses an Oxide semiconductor (Oxide) as a photosensitive circuit to form an array layout by L TPO process to achieve the purpose of touch control in the full display area and performing fingerprint recognition.
Disclosure of Invention
The invention aims to: the utility model provides a display panel of response subassembly, full-screen fingerprint touch-control solves the above-mentioned technical problem that exists among the prior art.
To achieve the purpose of the present invention, a technical solution provided by the present invention is as follows:
a full screen touch fingerprint unlocking method is applied to a mobile terminal, the mobile terminal comprises an induction component and a drive chip electrically connected with the induction component, the induction component comprises an array substrate, and a fingerprint sensor and a touch sensor which are integrated on one side of the array substrate or different side surfaces through an in-cell technology, the fingerprint sensor and the touch sensor are respectively connected with the drive chip through different electrode circuits, the mobile terminal which is not unlocked is in a black screen state, and the full screen touch fingerprint unlocking method comprises the following steps:
when the mobile terminal is in a locked state, the touch sensor confirms whether a fingerprint identification operation is detected;
when the fingerprint identification operation is detected, the touch sensor sends a verification signal to the driving chip, and the driving chip judges whether the fingerprint identification operation is a valid operation or not according to the verification signal;
when the validity operation is confirmed, the touch sensor sends a driving signal to the driving chip, the driving chip drives the fingerprint sensor to acquire fingerprint characteristic information in the fingerprint identification operation according to the driving signal, and whether the acquired fingerprint characteristic information is matched with preset fingerprint information is verified; and
and when the matching is confirmed to be successful, the fingerprint sensor sends a first control signal to the driving chip, and the driving chip wakes up the mobile terminal according to the first control signal, so that the unlocking is completed and the mobile terminal is switched to a bright screen state, wherein the fingerprint sensor and the touch sensor on the surface of the array substrate are respectively formed by oxide semiconductors of low-temperature polycrystalline oxide (L TPO).
In one possible design, validation of the fingerprint identification operation includes the steps of:
confirming a finger touch action of a user on the mobile terminal;
judging whether the finger fingerprint of the finger touch action is located in the fingerprint identification area;
judging whether the pressing force of the finger pressing action reaches a preset threshold value, and
and when the finger fingerprint is confirmed to be located in the fingerprint identification area and the pressing force of the finger touch action reaches a preset threshold value, judging that the finger fingerprint is pressed effectively and executing the subsequent steps.
In one possible design, the validation operation verification of the fingerprint identification operation further includes the steps of:
judging whether the finger touch action is determined to be effective fingerprint pressing within a preset time interval;
if so, executing the subsequent steps; and
and if the judgment result is negative, the mobile terminal maintains the locking state.
In one possible design, the matching verification of the fingerprint feature information and the preset fingerprint information further includes the following steps:
when the matching of the fingerprint characteristic information and the preset fingerprint information fails, the fingerprint sensor sends a second control signal to the driving chip; and
the driving chip controls the mobile terminal to emit light for displaying unlocking failure information in a certain time length according to the second control signal.
To achieve another objective of the present invention, the present invention further provides a technical solution as follows:
a mobile terminal, comprising:
the touch screen comprises an induction component and a driving chip electrically connected with the induction component, wherein the induction component comprises an array substrate, and a fingerprint sensor and a touch sensor which are integrated on the surface of the array substrate through an in-cell technology, the fingerprint sensor and the touch sensor are respectively connected with the driving chip through different electrode circuits, and the induction component which is not unlocked is in a black screen state;
the touch sensor is used for executing confirmation whether fingerprint identification operation is detected or not when the mobile terminal is in a locked state, and sending a verification signal to the driving chip when the fingerprint identification operation is confirmed to be detected;
the driving chip is used for receiving the verification signal, judging whether the fingerprint identification operation is valid operation according to the verification signal, receiving the driving signal when the fingerprint identification operation is confirmed to be valid operation so as to drive the fingerprint sensor to collect the fingerprint characteristic information in the fingerprint identification operation, and verifying whether the collected fingerprint characteristic information is matched with the preset fingerprint information; and
the driving chip is used for receiving the first control signal when the matching is confirmed to be successful and awakening the mobile terminal according to the first control signal, so that the unlocking is completed and the mobile terminal is switched to a bright screen state, or receiving the second control signal when the matching is confirmed to be failed and controlling the mobile terminal to emit light for a certain time length according to the second control signal to display unlocking failure information; wherein the verification signal, the driving signal, the first control signal and the second control signal are at an indication level.
In one possible design, the mobile terminal further includes:
the protective layer is arranged on the surface of the array substrate, which is opposite to the fingerprint sensor and the touch sensor;
the organic light-emitting layer is arranged on the surface of the array substrate on the same side as the fingerprint sensor and the touch sensor; and
a window screen arranged on the organic light emitting layer.
To achieve another objective of the present invention, the present invention further provides a technical solution as follows:
an inductive component, comprising:
the array substrate comprises a substrate, a grid insulating layer, a grid, a drain and a source;
the substrate is defined with a first implantation area, a second implantation area and a third implantation area, the first implantation area is implanted with an active layer and is composed of a low-temperature polycrystalline silicon layer, the second implantation area is implanted with a fingerprint sensor and is composed of a low-temperature polycrystalline silicon layer and an oxide semiconductor implanted in the low-temperature polycrystalline silicon layer, and the third implantation area is implanted with a touch sensor and is composed of a low-temperature polycrystalline silicon layer and an oxide semiconductor layer implanted in the low-temperature polycrystalline silicon layer; and
the fingerprint sensor comprises a plurality of first sensing electrodes and a plurality of first transmitting electrodes, the touch sensor comprises a plurality of second sensing electrodes and a plurality of second transmitting electrodes, and the sensing electrodes and the transmitting electrodes of the fingerprint sensor and the touch sensor are respectively connected with the driving chip through different electrode circuits.
In one possible design, the plurality of first sensing electrodes are parallel to each other, the plurality of first emitting electrodes are parallel to each other, and the plurality of first sensing electrodes and the plurality of first emitting electrodes are arranged in a crossing manner to form a parallelogram grid.
In one possible design, the plurality of second sensing electrodes are parallel to each other, the plurality of second transmitting electrodes are parallel to each other, and the plurality of second sensing electrodes and the plurality of second transmitting electrodes are arranged in a cross manner to form a parallelogram grid.
In one possible design, the material of the oxide semiconductor layer is at least one of indium gallium oxide, indium gallium zinc oxide, indium tin zinc oxide, and aluminum zinc oxide.
In the above possible design, compared with the prior art, the full-screen touch fingerprint unlocking sensing component, the mobile terminal and the method of the invention adopt a manufacturing process of L TPO for an O L ED display screen, and utilize an Oxide device therein to manufacture a fingerprint sensor and a photosensitive circuit of the touch sensor, so that when a user touches the screen, capacitance changes at each position are caused to enable a partial area of the mobile terminal to have a fingerprint identification function and a full-screen touch sensing function, thus the product cost can be reduced compared with full-screen fingerprint touch, the problem of fingerprint misoperation can be reduced by reducing a setting area of a fingerprint, the safety performance during fingerprint unlocking is improved, a frame area of the mobile terminal can be reduced, and the screen occupation ratio of the mobile terminal is improved.
Drawings
Fig. 1 is a schematic diagram of an architecture of a mobile terminal implementing full-screen touch fingerprint unlocking according to the present invention.
Fig. 2 is a flowchart of a full-screen touch fingerprint unlocking method of the present invention.
Description of reference numerals: 10-an inductive component; 11-an array substrate; 12-a fingerprint sensor; 13-touch sensor 121-first sensing electrode; 122 a first emitter electrode; 131-a second sensing electrode; 132-a second emitter electrode; 20-a protective layer; 30-an organic light-emitting layer; 40-window screen; 41-touchable surface; 50-a driving chip; MB-mobile terminal; S1-S5-full screen touch fingerprint unlocking method flow.
Detailed Description
The following detailed description and technical contents of the present invention are described with reference to the drawings, which are provided for reference and illustration purposes only and are not intended to limit the present invention. Various embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention is not limited to only these embodiments. The invention is intended to cover alternatives, modifications, equivalents, and alternatives that may be included within the spirit and scope of the invention. In the following description of the preferred embodiments of the present invention, specific details are set forth in order to provide a thorough understanding of the present invention, and it will be apparent to those skilled in the art that the present invention may be practiced without these specific details.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The use of "including," "comprising," "having," and the like in this disclosure is intended to mean that the component or object before the word "comprises" or "comprising" is included in the list of components or objects after the word "comprises" or "comprising," and its equivalents, without excluding other components or objects. The terms "upper", "lower", and the like are used only to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may also be changed accordingly.
The following embodiments of the present invention respectively provide a sensing component, a Mobile terminal and a method for full-screen touch fingerprint unlocking, as shown in fig. 1, which is a schematic structural diagram of a Mobile terminal MB with full-screen touch fingerprint unlocking according to the present invention, in the present embodiment, the Mobile terminal MB may be a Mobile phone, a Tablet Personal Computer (L ap Computer), a laptop Computer (L ap Computer), a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), a Wearable Device (Wearable Device), and the like, the Mobile terminal MB mainly includes a sensing component 10, a protective film 20, an organic light emitting layer 30, a window screen 40 and a driving chip 50, the sensing component 10 is disposed between the protective film 20 and the window screen 40, the Mobile terminal MB may further include an adhesive component (not shown), the adhesive component may combine the sensing component 10 and the protective layer 20, and combine the sensing component 10 and the window screen 40.
In a particular embodiment, each of the protective layer 20 and the window screen 40 may be continuously formed through a coating process.
In a specific embodiment, the adhesive member may be an Optically Clear Adhesive (OCA) film, an Optically Clear Resin (OCR) film, or a Pressure Sensitive Adhesive (PSA) film. The adhesive member may include a photo-curable adhesive material or a thermosetting adhesive material therein. However, the material of the adhesive member is not limited thereto.
In particular embodiments, protective layer 20 may protect inductive component 10. The protective layer 20 may prevent external moisture from penetrating the sensing assembly 10 and may absorb external impact. The protective layer 20 may comprise a plastic film as a substrate layer. The protective layer 20 may include a plastic film including one of Polyethersulfone (PES), polyacrylate, Polyetherimide (PEI), polyethylene naphthalate (PEN), polyethylene terephthalate (PET), polyphenylene sulfide (PPS), polyarylate, Polyimide (PI), Polycarbonate (PC), polyarylene ether sulfone (PAES), and a combination thereof. The material constituting the protective layer 20 is not limited to plastic resin, and may include an organic/inorganic composite material. The protective layer 20 may include an inorganic material and an organic layer filled in pores of the porous organic layer. The protective layer 20 may further include a functional layer formed at the plastic film. The functional layer may include a resin layer. The functional layer may be formed by a coating method.
In particular embodiments, the organic light emitting layer 30 may include an organic material and/or an inorganic material; the organic light emitting layer 30 may generate at least one of blue light, red light, and green light; or the organic light emitting layer 30 may generate white light. In addition, the organic light emitting layer 30 may have a multi-layer structure.
In particular embodiments, the window screen 40 may protect the sensing assembly 10 from external impacts and may provide a touch sensing surface to a user. Additionally, a touchable surface 41 in the window screen 40 may be a fingerprint recognition surface for scanning or detecting a user's fingerprint.
In a specific embodiment, the driving chip 50 may be an integrated circuit chip having signal processing capability. In the implementation process, each step of the full-screen touch fingerprint unlocking method of the present invention may be completed by an integrated logic circuit of hardware in the driving chip 50 or an instruction in a software form. The integrated Circuit chip may be a general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, or a discrete hardware component. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art.
According to an embodiment of the present invention, the sensing device 10 may include an array substrate 11, and a fingerprint sensor 12 and a touch sensor 13 integrated on a surface of the array substrate 11 by an in-cell technology, where the array substrate 11 includes a substrate and a circuit layer formed of a gate insulating layer, a gate electrode, a drain electrode and a source electrode, and the circuit layer may include a plurality of switching devices formed of a plurality of transistors and capacitors, the substrate may include a substrate and a buffer layer (not shown) formed on the substrate, and the circuit layer formed of the gate insulating layer, the gate electrode, the drain electrode and the source electrode is formed on the buffer layer and a first implantation region, a second implantation region and a third implantation region are defined, where a process of the array substrate 11 may be a low Temperature Poly Oxide (TPO) process.
In particular embodiments, the substrate is preferably a transparent substrate layer, which may be made of glass, Polyethylene terephthalate (PET), Polycarbonate (PC) or PolymethylMethacrylate (PMMA).
An active layer (low-temperature polysilicon layer) composed of a gate insulating layer, a gate, a drain and a source is implanted in the first implantation region by a low-temperature poly-oxide (L TPO) process, the fingerprint sensor 12 is implanted in the second implantation region and composed of a low-temperature poly-silicon layer and an oxide semiconductor implanted in the low-temperature poly-silicon layer, and the touch sensor 13 is implanted in the third implantation region and composed of a low-temperature poly-silicon layer and an oxide semiconductor layer implanted in the low-temperature poly-silicon layer.
Preferably, the oxide semiconductor layer 40 may include at least one of IGZO (indium gallium zinc oxide), IGO (indium gallium oxide), ITZO (indium tin zinc oxide), or AlZnO (aluminum zinc oxide).
In a specific embodiment, the array substrate 11 includes a first surface 111 and a second surface 112; the second implantation region may be located in the region of the first surface 111 or the region of the second surface 112; the third implanted region may be located at the first surface 111 or the second surface 112. The second implantation area is taken as the area of the first surface 111 and the second implantation area is taken as the area of the second surface 112 for illustration, but not as a limitation of the invention. The fingerprint sensor 12 is arranged on the first surface 111; the touch sensor 13 is disposed on the second surface 112. The first surface is a side surface corresponding to the direction of the window screen 40, and the second surface is a side surface corresponding to the protective layer 10, so that the sensing assembly 10 provided with the fingerprint sensor 12 and the touch sensor 13 can be respectively combined with the protective layer 20 and the window screen 40 through the adhesive member. Electrodes in the fingerprint sensor 12 and the touch sensor 13 are etched or laser-plated on different side surfaces of the array substrate 11, and meanwhile, the fingerprint sensor 12 and the touch sensor 13 are ensured to receive capacitance change values generated on the surface of the user touch window screen 40, and the capacitance change values are respectively used for a touch function and a fingerprint identification function.
In a specific embodiment, preferably, the fingerprint sensor 12 and the touch sensor 13 may be distributed on the whole array substrate 11, so that the sensing component 10 becomes a mobile terminal MB having both a fingerprint identification function and a touch sensing function on a full screen; or the fingerprint sensors 12 are distributed in the designated area of the array substrate 11, so that the partial area of the mobile terminal MB has a fingerprint identification function and a full-screen touch sensing function, the cost of the product can be reduced relative to full-screen fingerprint touch, the problem of fingerprint misoperation can be reduced by reducing the setting area of the fingerprint, the safety performance during fingerprint unlocking is improved, the frame area of the mobile terminal MB can be reduced, and the screen occupation ratio of the mobile terminal MB is improved.
In a specific embodiment, the fingerprint sensor 12 includes a plurality of first sensing electrodes 121 and a plurality of first transmitting electrodes 122, and the touch sensor 13 includes a plurality of second sensing electrodes 131 and a plurality of second transmitting electrodes 132. Conceivably, because the fingerprint sensor 12 and the touch sensor 13 are respectively identified and touched through the first sensing electrode, the first reflecting electrode and the second sensing electrode, and the fingerprint sensor 12 and the touch sensor 13 are connected to the driving chip 50 through different electrodes, independent identification control between the fingerprint sensor 12 and the touch sensor 13 is ensured, mutual interference between the fingerprint sensor 12 and the touch sensor 13 is avoided, and the accuracy of touch identification is improved.
In a specific embodiment, the first sensing electrode 121 and the first transmitting electrode 122 are arranged in a cross manner, and the grid formed by the first sensing electrode 121 and the first transmitting electrode 122 may be a parallelogram grid; the second sensing electrode 131 and the second transmitting electrode 132 are arranged in a cross manner, and the grid formed by the second sensing electrode 131 and the second transmitting electrode 132 may be a parallelogram grid. Preferably, the plurality of first sensing electrodes 121 are parallel to each other, and the plurality of first emitting electrodes 122 are parallel to each other; the plurality of second sensing electrodes 131 are parallel to each other, and the plurality of second transmitting electrodes 132 are parallel to each other.
In a specific embodiment, the plurality of first sensing electrodes 121, the plurality of first emitting electrodes 122, the plurality of second sensing electrodes 131, or the plurality of second emitting electrodes 132 are arranged to be parallel to each other, and the distances between the first sensing electrodes, the plurality of first emitting electrodes 122, the plurality of second sensing electrodes 131, or the plurality of second emitting electrodes 132 are also arranged to be at equal intervals, so that the difficulty of arranging the electrodes is reduced, and the interference between the electrodes is reduced. Preferably, the first and second sensing electrodes 121 and 131 may be disposed in a horizontal lateral direction, and the first and second transmitting electrodes 122 and 132 may be disposed in a vertical longitudinal direction.
In order to ensure that the grid formed between the electrodes (121,122) of the fingerprint sensor 12 and the electrodes (131,132) of the touch sensor 13 disposed on the array substrate 11 does not obstruct the display screen of the mobile terminal MB; preferably, the size of the mesh formed between the first sensing electrode 121 and the first emitter electrode 122 and the size of the mesh formed between the second sensing electrode 131 and the second emitter electrode 132 are set to correspond to the resolution of the display screen of the mobile terminal MB, so that the mesh cannot shield the display screen, and moire fringes are prevented from being generated on the display screen.
The touch sensor 13 of the sensing assembly 10 of the present invention can input coordinate information of a finger (for example, a finger contacting an area of a display surface) through an external input. The touch sensor 13 may be manufactured together with the circuit layer of the array substrate 11 through a continuous process. However, the inventive concept is not limited thereto. For example, the touch sensor 13 and the circuit layer of the array substrate 11 may be manufactured separately from each other, and the touch sensor 13 may be attached to the display panel DP.
In a specific embodiment, the touch sensor 13 may be a single layer type. For example, the touch sensor 13 may include a single conductive layer. Here, the single conductive layer means a conductive layer which is not separated by an insulating layer. The stacked structure of the oxide semiconductor layers may correspond to a single conductive layer. However, the inventive concept is not limited thereto, and the touch sensor 13 may be a multi-layer type including a plurality of conductive layers. A plurality of touch sensors 13 (including a plurality of touch electrode lines) are formed by patterning a single conductive layer. For example, a portion of each of the plurality of touch electrode lines may be disposed on the same layer as the touch sensor.
In a particular embodiment, the sensing assembly 10 may also include an anti-reflective layer. The anti-reflection layer may include a color filter or a stacked structure of a conductive layer, a dielectric layer, and a conductive layer. The anti-reflection layer may reduce external light reflection by absorbing light incident from the outside to the display surface, destructively interfering or polarizing the light incident from the outside to the display surface.
A mobile terminal MB formed by the sensing component according to the invention; firstly, the component configuration and the functions of the mobile terminal MB are explained, and then, the full-screen touch fingerprint unlocking method is explained. The disclosure of the mobile terminal in the above embodiments is not repeated herein; the following description will mainly be made of the operation of each functional component when the mobile terminal MB is used to perform unlocking.
The mobile terminal MB is in a black screen state when not unlocked;
the touch sensor 13 is configured to perform, when the mobile terminal MB is in a locked state, a determination of whether a fingerprint identification operation is detected, and send a verification signal to the driving chip 50 when the fingerprint identification operation is determined to be detected;
the driving chip 50 is configured to receive the verification signal, determine whether the fingerprint identification operation is a valid operation according to the verification signal, receive the driving signal when the fingerprint identification operation is determined to be the valid operation, drive the fingerprint sensor 12 to perform fingerprint feature information acquisition in the fingerprint identification operation, and verify whether the acquired fingerprint feature information matches preset fingerprint information;
the driving chip 50 is configured to receive a first control signal when the matching is confirmed to be successful and awaken the mobile terminal MB according to the first control signal, so that the unlocking is completed and the mobile terminal MB is switched to a bright screen state, or receive a second control signal when the matching is confirmed to be failed and control the mobile terminal MB to emit light for a certain time length according to the second control signal to display unlocking failure information; wherein the verification signal, the driving signal, the first control signal and the second control signal are at an indication level.
Referring to fig. 2, according to the mobile terminal MB of the present invention, the present invention further discloses a full-screen touch fingerprint unlocking method. The disclosure of the mobile terminal in the above embodiments is not repeated herein; the full-screen touch fingerprint unlocking method comprises the following steps:
s1: providing a mobile terminal, which comprises an array substrate, and a fingerprint sensor and a touch sensor which are integrated on one side surface of the array substrate by an in-cell technology, wherein the fingerprint sensor and the touch sensor are respectively formed by oxide semiconductors of low-temperature polycrystalline oxide;
s2: when the mobile terminal is in a locked state, the touch sensor 13 determines whether a fingerprint identification operation is detected;
s3: when the touch sensor 13 detects a fingerprint identification operation, the touch sensor 13 sends an authentication signal to the driving chip 50, and the driving chip 50 judges whether the fingerprint identification operation is a validity operation according to the authentication signal;
s4: when the driving chip 50 determines that the fingerprint identification operation is valid, the touch sensor 13 sends a driving signal to the driving chip 50, and the driving chip 50 drives the fingerprint sensor 12 to collect fingerprint characteristic information in the fingerprint identification operation according to the driving signal, and verifies whether the collected fingerprint characteristic information is matched with preset fingerprint information;
s5: when the driver chip 50 determines that the matching is successful, the fingerprint sensor 12 sends a first control signal to the driver chip 50, and the driver chip 50 wakes up the mobile terminal MB according to the first control signal, so that the unlocking is completed and the mobile terminal MB is controlled to be switched to a bright screen state;
in an embodiment, the validation operation verification in step S3 includes:
confirming a finger touch action of a user on the mobile terminal 40;
judging whether the finger fingerprint of the finger touch action is located in a fingerprint identification area;
judging whether the pressing force of the finger pressing action reaches a preset threshold value or not; and
when it is determined that the fingerprint is located in the fingerprint identification area and the pressing force of the finger touch action reaches the predetermined threshold, it is determined that the fingerprint is pressed effectively, and the following step S3 is performed.
In a specific embodiment, the validation operation verification in step S3 further includes:
judging whether the finger touch action is determined to be effective fingerprint pressing within a preset time interval;
if yes, the next step S3 is executed;
and if the judgment result is negative, the mobile terminal MB is in a locking state.
In an embodiment, the matching verification of the fingerprint feature information and the preset fingerprint information in step S4 further includes:
when the matching of the fingerprint characteristic information and the preset fingerprint information fails, the fingerprint sensor 12 sends a second control signal to the driving chip 50;
the driving chip 50 controls the mobile terminal MB to emit light for a certain time period to display an unlocking failure message according to the second control signal, so that the user can see the unlocking failure message on the display screen.
To sum up, the sensing component 10 of the present invention uses a manufacturing process of L TPO for an O L ED display screen, and uses an Oxide device therein to manufacture a photosensitive circuit of the fingerprint sensor 12 and the touch sensor 13, so that when a user touches the screen, capacitance changes at each position are caused, and a part of area of the mobile terminal MB is made to have a fingerprint identification function and a full-screen touch sensing function, such that the product cost can be reduced compared to full-screen fingerprint touch, and the problem of fingerprint misoperation can be reduced by reducing the area where the fingerprint is set, so as to improve the safety performance when the fingerprint is unlocked, and at the same time, the frame area of the mobile terminal MB can be reduced, so as to improve the screen occupation ratio of the mobile terminal MB.
In the above embodiments, the operations of the components of the mobile terminal during the unlocking process are different from those of the prior art, and the in-screen unlocking determination is changed without the need of sensing and determining by the FOD SENSOR in the prior art, and during the unlocking process by touching the display screen with a finger, the middle mobile terminal does not wake up the mobile terminal and keeps the mobile terminal in the black screen state when the unlocking completion condition is not met, and does not wake up the mobile terminal and switch the mobile terminal to the bright screen state until the unlocking completion.
Specifically, the terminal equipment provided by the invention can be a smart watch, a mobile phone and a tablet personal computer, the sensing assembly provided by the invention is adopted to optimize the smart watch, the mobile phone and the tablet personal computer in the related technology, so that the fingerprint operation of the smart watch is realized, and a foundation is provided for the smart watch to realize fingerprint payment, fingerprint encryption and the like; for the mobile phone and the tablet personal computer, the screen occupation ratio of the mobile phone and the tablet personal computer can be fully improved, fingerprint identification under a front screen of a full screen is realized, and the attractiveness and operability of the mobile phone and the tablet personal computer are improved. In addition, the terminal device provided by the present invention may also be a display device, for example: a guiding inquiry device of a commercial center, a display of a desktop computer and a display of a notebook computer.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples
The foregoing description shows and describes several preferred embodiments of the invention, but as before, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A full-screen touch fingerprint unlocking method is applied to a mobile terminal and is characterized in that the mobile terminal comprises an induction component and a driving chip electrically connected with the induction component, the induction component comprises an array substrate, and a fingerprint sensor and a touch sensor which are integrated on one side surface or different side surfaces of the array substrate through an in-cell technology, the fingerprint sensor and the touch sensor are respectively connected with the driving chip through different electrode circuits, the mobile terminal which is not unlocked is in a black screen state, and the full-screen touch fingerprint unlocking method comprises the following steps:
when the mobile terminal is in a locked state, the touch sensor confirms whether a fingerprint identification operation is detected;
when the fingerprint identification operation is detected, the touch sensor sends a verification signal to the driving chip, and the driving chip judges whether the fingerprint identification operation is a validity operation or not according to the verification signal;
when the validity operation is confirmed, the touch sensor sends a driving signal to the driving chip, the driving chip drives the fingerprint sensor to acquire fingerprint characteristic information in the fingerprint identification operation according to the driving signal, and whether the acquired fingerprint characteristic information is matched with preset fingerprint information is verified; and
when the matching is confirmed to be successful, the fingerprint sensor sends a first control signal to the driving chip, and the driving chip wakes up the mobile terminal according to the first control signal, so that the unlocking is completed and the mobile terminal is switched to a bright screen state;
the fingerprint sensor and the touch sensor on the surface of the array substrate are respectively composed of oxide semiconductors of low-temperature polycrystalline oxide.
2. The full screen touch fingerprint unlocking method according to claim 1, characterized in that the validation operation verification of the fingerprint identification operation comprises the steps of:
confirming a finger touch action of a user on the mobile terminal;
judging whether the finger fingerprint of the finger touch action is located in a fingerprint identification area;
judging whether the pressing force of the finger pressing action reaches a preset threshold value or not; and
and when the finger fingerprint is confirmed to be located in the fingerprint identification area and the pressing force of the finger touch action reaches the preset threshold value, judging that the finger fingerprint is pressed effectively and executing the subsequent steps.
3. The full screen touch fingerprint unlocking method according to claim 2, wherein the validation operation verification of the fingerprint identification operation further comprises the steps of:
judging whether the finger touch action is determined to be effective fingerprint pressing within a preset time interval;
if so, executing the subsequent steps; and
and if the judgment result is negative, the mobile terminal maintains the locking state.
4. The full screen touch fingerprint unlocking method according to claim 1, wherein the matching verification of the fingerprint feature information and the preset fingerprint information further comprises the following steps:
when the matching of the fingerprint characteristic information and the preset fingerprint information fails, the fingerprint sensor sends a second control signal to the driving chip; and
and the driving chip controls the mobile terminal to emit light for displaying unlocking failure information in a certain time length according to the second control signal.
5. A mobile terminal, characterized in that the mobile terminal comprises:
the mobile terminal is used for executing the full-screen touch fingerprint unlocking method according to claims 1-4;
the touch sensor is used for executing confirmation whether the fingerprint identification operation is detected or not when the mobile terminal is in a locked state, and sending the verification signal to the driving chip when the fingerprint identification operation is confirmed to be detected;
the driving chip is used for receiving the verification signal, judging whether the fingerprint identification operation is the validity operation according to the verification signal, receiving the driving signal when the fingerprint identification operation is confirmed to be the validity operation so as to drive the fingerprint sensor to collect the fingerprint characteristic information in the fingerprint identification operation, and verifying whether the collected fingerprint characteristic information is matched with the preset fingerprint information;
the driving chip is used for receiving the first control signal when the matching is confirmed to be successful and awakening the mobile terminal according to the first control signal so as to enable the unlocking to be completed and the mobile terminal to be switched to a bright screen state, or receiving the second control signal when the matching is confirmed to be failed and controlling the mobile terminal to emit light for a certain time length according to the second control signal so as to display the unlocking failure information; and
wherein the verification signal, the driving signal, the first control signal and the second control signal are at an indication level.
6. The mobile terminal of claim 5, wherein said mobile terminal further comprises:
the protective layer is arranged on the other side surface of the array substrate, which is opposite to the fingerprint sensor and the touch sensor;
the organic light-emitting layer is arranged on the surface of the array substrate on the same side as the fingerprint sensor and the touch sensor; and
and the window screen is arranged on the organic light-emitting layer.
7. An inductive component, comprising:
the array substrate and the fingerprint sensor and the touch sensor integrated on the surface of the array substrate through an in-cell technology;
the array substrate comprises a substrate, a grid insulating layer, a grid, a circuit layer consisting of a drain electrode and a source electrode, and a plurality of switch components;
the array substrate is defined with a first implantation area, a second implantation area and a third implantation area, the first implantation area is implanted with an active layer and is composed of a low-temperature polycrystalline silicon layer, the second implantation area is implanted with the fingerprint sensor and is composed of a low-temperature polycrystalline silicon layer and an oxide semiconductor implanted in the low-temperature polycrystalline silicon layer, and the third implantation area is implanted with the touch sensor and is composed of a low-temperature polycrystalline silicon layer and an oxide semiconductor layer implanted in the low-temperature polycrystalline silicon layer; and
the fingerprint sensor comprises a plurality of first sensing electrodes and a plurality of first transmitting electrodes, the touch sensor comprises a plurality of second sensing electrodes and a plurality of second transmitting electrodes, and the fingerprint sensor and the sensing electrodes and the transmitting electrodes of the touch sensor are respectively connected with the driving chip through different electrode circuits.
8. The assembly of claim 7, wherein the first sensing electrodes are parallel to each other, the first emitting electrodes are parallel to each other, and the first sensing electrodes and the first emitting electrodes are arranged in a cross-arrangement to form a parallelogram grid.
9. The inductive component of claim 7, wherein the plurality of second inductive electrodes are parallel to each other, the plurality of second emitter electrodes are parallel to each other, and the plurality of second inductive electrodes and the plurality of second emitter electrodes are arranged in a cross-wise manner to form a parallelogram grid.
10. The inductive component of claim 7, wherein said oxide semiconductor layer is at least one of indium gallium oxide, indium gallium zinc oxide, indium tin zinc oxide, and aluminum zinc oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910101027.2A CN111506886A (en) | 2019-01-31 | 2019-01-31 | Full-screen touch fingerprint unlocking induction component, mobile terminal and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910101027.2A CN111506886A (en) | 2019-01-31 | 2019-01-31 | Full-screen touch fingerprint unlocking induction component, mobile terminal and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111506886A true CN111506886A (en) | 2020-08-07 |
Family
ID=71864634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910101027.2A Pending CN111506886A (en) | 2019-01-31 | 2019-01-31 | Full-screen touch fingerprint unlocking induction component, mobile terminal and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111506886A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI756056B (en) * | 2020-08-17 | 2022-02-21 | 友達光電股份有限公司 | Sensing device |
| WO2023020073A1 (en) * | 2021-08-20 | 2023-02-23 | 荣耀终端有限公司 | Firmware processing method, chip, system, and electronic device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105138209A (en) * | 2015-09-23 | 2015-12-09 | 深圳信炜科技有限公司 | Capacitance sensor and capacitive sensing device |
| CN106022073A (en) * | 2016-06-07 | 2016-10-12 | 广东欧珀移动通信有限公司 | Unlocking control method and mobile terminal |
| CN107275350A (en) * | 2017-07-19 | 2017-10-20 | 京东方科技集团股份有限公司 | Array base palte and preparation method thereof and display device |
| CN107422970A (en) * | 2017-04-20 | 2017-12-01 | 维沃移动通信有限公司 | A kind of unlocking method and mobile terminal |
| US20180203537A1 (en) * | 2017-01-16 | 2018-07-19 | Samsung Display Co., Ltd. | Photo sensor circuit, photo sensor pixel, and display device having the photo sensor pixel |
| CN207924691U (en) * | 2017-12-15 | 2018-09-28 | 南昌欧菲光科技有限公司 | Fingerprint recognition and touch-control sensing component, display module and terminal device |
-
2019
- 2019-01-31 CN CN201910101027.2A patent/CN111506886A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105138209A (en) * | 2015-09-23 | 2015-12-09 | 深圳信炜科技有限公司 | Capacitance sensor and capacitive sensing device |
| CN106022073A (en) * | 2016-06-07 | 2016-10-12 | 广东欧珀移动通信有限公司 | Unlocking control method and mobile terminal |
| US20180203537A1 (en) * | 2017-01-16 | 2018-07-19 | Samsung Display Co., Ltd. | Photo sensor circuit, photo sensor pixel, and display device having the photo sensor pixel |
| CN107422970A (en) * | 2017-04-20 | 2017-12-01 | 维沃移动通信有限公司 | A kind of unlocking method and mobile terminal |
| CN107275350A (en) * | 2017-07-19 | 2017-10-20 | 京东方科技集团股份有限公司 | Array base palte and preparation method thereof and display device |
| CN207924691U (en) * | 2017-12-15 | 2018-09-28 | 南昌欧菲光科技有限公司 | Fingerprint recognition and touch-control sensing component, display module and terminal device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI756056B (en) * | 2020-08-17 | 2022-02-21 | 友達光電股份有限公司 | Sensing device |
| WO2023020073A1 (en) * | 2021-08-20 | 2023-02-23 | 荣耀终端有限公司 | Firmware processing method, chip, system, and electronic device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2515710C2 (en) | Touch actuated sensor configuration integrated with oled structure | |
| CN104881196B (en) | Substrate and display screen | |
| US10719683B2 (en) | Hybrid optical and capacitive sensor | |
| US20210286467A1 (en) | Touch panel and display apparatus including the same | |
| US10055637B2 (en) | Optical sensor with substrate light filter | |
| US20130135247A1 (en) | Touch sensing apparatus | |
| EP3674856B1 (en) | Multi-sensor-based on-screen fingerprint collection method and system and electronic device | |
| US8085250B2 (en) | Touch pad with flexible substrate | |
| US20110032207A1 (en) | Capacitive touch sensor | |
| US20180088712A1 (en) | Display device and method of manufacturing the same | |
| US9158400B2 (en) | Touch panel having virtual function button, method of manufacturing the same, and method of identifying touch conflict on the same | |
| US20190129530A1 (en) | Under display biometric sensor | |
| CN102023770A (en) | Capacitive touch panel module and manufacturing method thereof | |
| KR20180044764A (en) | electronic device including pressure sensor | |
| KR102507281B1 (en) | Electornic device comprising fingerprint sensor and method for operating thereof | |
| US20180365465A1 (en) | Apparatus for recognizing pressure and electronic apparatus including the same | |
| US8669954B2 (en) | Touch panel | |
| KR102688018B1 (en) | Nput sensing unit, display device including same, and method for manufacturing same | |
| KR20150087811A (en) | Touch detecting apparatus including fingerprint sensor | |
| US20160378231A1 (en) | Display device | |
| CN107621712A (en) | A kind of liquid crystal display module and display terminal | |
| US8803843B2 (en) | Touch panel and touch sensing method thereof | |
| CN111506886A (en) | Full-screen touch fingerprint unlocking induction component, mobile terminal and method | |
| CN109901755B (en) | Touch device and touch display device using the same | |
| US20160188033A1 (en) | Touch panel with fingerprint recognition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200807 |
|
| WD01 | Invention patent application deemed withdrawn after publication |