CN111597912A - Display module and electronic equipment with same - Google Patents
Display module and electronic equipment with same Download PDFInfo
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- CN111597912A CN111597912A CN202010325885.8A CN202010325885A CN111597912A CN 111597912 A CN111597912 A CN 111597912A CN 202010325885 A CN202010325885 A CN 202010325885A CN 111597912 A CN111597912 A CN 111597912A
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- light source
- transparent cover
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- cover plate
- sensor
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- 230000003287 optical effect Effects 0.000 claims abstract description 43
- 239000011159 matrix material Substances 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 10
- 238000004590 computer program Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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
- 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
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Position Input By Displaying (AREA)
Abstract
A display module and an electronic device having the same include: the touch screen comprises a transparent cover plate, a touch screen and a touch screen, wherein the transparent cover plate is provided with a first surface and a second surface which are opposite, and the first surface forms a touch area; the display screen body is arranged on the second surface of the transparent cover plate; the light source unit is arranged at the edge of the second surface of the transparent cover plate and is arranged at the side part of the display screen body; the optical sensor is arranged on the other side of the display screen body relative to the transparent cover plate and is arranged at the edge position, and is arranged on the other side of the display screen body relative to the light source unit so as to receive emergent light of the light emitted by the light source unit after the light is totally reflected by the transparent cover plate for multiple times; according to the display module and the electronic equipment, the touch area is formed on the first surface of the transparent cover plate, total reflection of the light source unit in the transparent cover plate is damaged during touch, and light information received by the optical sensor changes, so that the position of a touch point in the touch area is identified.
Description
Technical Field
The invention relates to the technical field of identification and detection, in particular to a display module with identification and detection and electronic equipment with the display module.
Background
In the existing optical fingerprint identification scheme, a light source is provided by a display screen body or an external light source, the light source and an optical sensor are basically distributed in a one-dimensional mode, local identification can be achieved only at the position above the optical sensor, and use experience is affected. In addition, the fingerprint identification optical detection device is characterized in that a light source and a lens are arranged on the side portion of the cover plate and are spaced at a certain distance, an image sensor is arranged on the other side of the cover plate and is spaced at a certain distance, and the arrangement mode requires that certain space is reserved on two sides of the cover plate, so that the reserved space of the whole electronic equipment is enlarged, and the size of the equipment is increased.
Disclosure of Invention
Accordingly, there is a need for a display module with improved space utilization.
Meanwhile, the electronic equipment capable of improving the space utilization rate is provided.
A display module, comprising:
the touch screen comprises a transparent cover plate, a touch screen and a touch screen, wherein the transparent cover plate is provided with a first surface and a second surface which are opposite, and the first surface forms a touch area;
the display screen body is arranged on the second surface of the transparent cover plate;
the light source unit is arranged at the edge of the second surface of the transparent cover plate and is arranged at the side part of the display screen body;
and the optical sensor is arranged on the other side of the display screen body relative to the transparent cover plate and is arranged at the edge position, and is arranged on the other side of the display screen body relative to the light source unit so as to receive emergent light of the light emitted by the light source unit after multiple total reflections in the transparent cover plate.
In a preferred embodiment, the light source unit is disposed opposite to the optical sensor and respectively located at two sides of the display screen body.
In a preferred embodiment, the light source unit includes: a first light source disposed in an X direction and a second light source disposed in a Y direction, the optical sensor including: the display screen comprises a first sensor and a second sensor, wherein the first sensor is arranged on the other side of the display screen body relative to the first light source, the second sensor is arranged on the other side of the display screen body relative to the second light source, and the first sensor and the second sensor are perpendicular to each other.
In a preferred embodiment, the light emitted from the first light source in the X direction and the light emitted from the second light source in the Y direction are totally reflected inside the transparent cover plate for multiple times, and the points of the light reaching the top of the transparent cover plate form a dot matrix.
In a preferred embodiment, the first light source emits light rays in the X direction, the light rays are totally reflected inside the transparent cover plate, and the plane projection distance between points reaching the top of the transparent cover plate is equal; and the light rays emitted from the second light source in the Y direction are totally reflected in the transparent cover plate, and the plane projection distance between the points reaching the top of the transparent cover plate is equal.
In a preferred embodiment, the first light source and/or the second light source comprises a plurality of light sources, which are linearly arranged to form a linear light source; the first sensor and/or the second sensor comprises: a plurality of sensors linearly arranged to form a linear sensor.
In a preferred embodiment, the plurality of first light sources and the plurality of first sensors are arranged in a one-to-one correspondence manner, the plurality of second light sources and the plurality of second sensors are arranged in a one-to-one correspondence manner, the first light sources and the second light sources form a two-dimensional matrix light source, and the first sensors and the second sensors form a two-dimensional matrix sensor.
The light source units are respectively arranged in the X direction and the Y direction, the optical sensors are correspondingly respectively arranged in the X direction and the Y direction opposite to the light source units, and the light source units and the optical sensors are linearly arranged, so that the light source units and the optical sensors form a two-dimensional matrix structure; the light source unit is arranged at the edge of the second surface of the transparent cover plate, the optical sensor is arranged at the edge of the second surface of the display screen body, and a two-dimensional matrix structure is formed by the light source unit and the optical sensor to realize full-screen unlocking.
In a preferred embodiment, the light source unit and the optical sensor are disposed on a side periphery of the display module, and the light source unit is a collimated light source arranged in a line.
In a preferred embodiment, the transparent cover is a glass cover, which forms a full screen touch area.
An electronic device, comprising: the processing module, with the storage module that processing module connects reaches the display module who is connected with processing module, the display module includes foretell display module assembly, the storage module storage has light source unit's transmission light information and target fingerprint information, processing module control light source unit is luminous, the emergent light after the transmission light of light source unit is totally reflected many times in the transparent cover board is by optical sensor receives, processing module handles the emergent light and the image that gets into optical sensor, compares received emergent light information and transmission light information and obtains positional information, carries out the true and false judgement with received fingerprint image information and target fingerprint information.
According to the display module and the electronic equipment with the display module, the touch area is formed on the first surface of the transparent cover plate, total reflection of the light source unit in the transparent cover plate is broken during touch, emergent light information received by the optical sensor changes, so that the position of a touch point in the touch area is identified, and the relative positions of the touch points at different positions in the touch screen area can be detected for identification, so that full-screen unlocking identification can be realized, and the flexibility and accuracy of identification are improved. In addition, the light source unit is arranged at the edge of the second surface of the transparent cover plate and is arranged on the side part of the display screen body, the optical sensor is arranged at the edge position of the display screen body, and light emitted by the light source unit is transmitted by total reflection in the transparent cover plate and is received by the optical sensor, so that optical transmission can be realized by means of original components of the display module, and the effects of saving space and improving the space utilization rate of the display screen are achieved.
Drawings
Fig. 1 is a schematic partial structure diagram of a display module according to an embodiment of the invention;
FIG. 2 is a front view of a display module according to an embodiment of the present invention;
FIG. 3 is a side view of a portion of a display module according to an embodiment of the invention;
FIG. 4 is a schematic touch diagram according to an embodiment of the invention.
Detailed Description
As shown in fig. 1 to 3, a display module 100 according to an embodiment of the present invention includes: transparent cover 20, display screen body 40, light source unit 60, optical sensor 80.
A transparent cover 20 having a first surface and a second surface opposite to the first surface, the first surface having a touch area formed thereon;
a display screen body 40 disposed on the second surface of the transparent cover plate 20;
a light source unit 60 disposed at an edge of the second surface of the transparent cover plate 20 and disposed at a side of the display screen body 40;
the optical sensor 80 is disposed on the other side of the display screen body 40 opposite to the transparent cover plate 20 and disposed at an edge position, and is disposed on the other side of the display screen body opposite to the light source unit 60 to receive the emergent light of the emitted light after multiple total reflections in the transparent cover plate 20.
The light emitted from the light source unit 60 of the present embodiment is totally reflected in the transparent cover plate 20 for multiple times, and then exits from the other side of the display panel body 40 opposite to the light source unit 60.
Further, the light source unit 60 of the present embodiment is disposed opposite to the optical sensor 80, and is disposed on two sides of the display panel.
Further, the light source unit 60 of the present embodiment includes: a first light source 62 disposed in the X-direction and a second light source 64 disposed in the Y-direction. The optical sensor 80 includes: a first sensor 82 disposed opposite the first light source 62, and a second sensor 84 disposed opposite the second light source 64.
Further, the first sensor 82 of the present embodiment is disposed to intersect the second sensor 84. Further preferably, the first sensor 82 and the second sensor 84 of the present embodiment are disposed perpendicular to each other.
Further, in the present embodiment, the light emitted from the first light source 62 in the X direction and the light emitted from the second light source 64 in the Y direction are totally reflected inside the transparent cover 20 for multiple times, and the points at which the light reaches the top of the transparent cover 20 form a dot matrix.
Further, if a touch is received, the total reflection process of the light rays at the row and column positions of the point matrix of the transparent cover plate 20 by the touch points is destroyed, and the light rays at other rows and columns of the point matrix are normally transmitted.
Further, the light emitted from the first light source 62 in the X direction of the present embodiment is totally reflected inside the transparent cover 20, and the planar projection distance between the points reaching the top of the transparent cover 20 is equidistant. The light emitted by the second light source 64 in the Y direction is totally reflected inside the transparent cover 20, and the planar projection distance between the points reaching the top of the transparent cover 20 is equidistant.
Further, preferably, the first light source and/or the second light source of this embodiment includes a plurality of light sources, and the plurality of light sources are linearly arranged to form a linear light source. The first sensor and/or the second sensor comprises: a plurality of sensors linearly arranged to form a linear sensor.
In a preferred embodiment, the plurality of first light sources and the plurality of first sensors are arranged in a one-to-one correspondence, the plurality of second light sources and the plurality of second sensors are arranged in a one-to-one correspondence, the first light sources and the second light sources form a two-dimensional matrix light source, and the first sensors and the second sensors form a two-dimensional matrix sensor.
Further, the light source unit 60 and the optical sensor 80 of the present embodiment are disposed on the side circumference of the display module 100. Preferably, the light source unit 60 is a collimated light source. The collimation light source ensures that the emitted light rays are emitted in parallel, the emitted light rays are emitted after being totally reflected in the transparent cover plate 20, the emitted light rays can be normally received, analyzed and processed under the normal transmission condition, meanwhile, the position of a fingerprint signal can be accurately identified during touch, and the introduction of an external interference signal is avoided.
Further, the transparent cover plate 20 of the present embodiment is preferably a glass cover plate. Further, the transparent cover plate of the present embodiment forms a full screen touch area.
The display screen body of this embodiment can be any one of LCD display screen, LED display screen, OLED display screen, Micro LED display screen etc..
An electronic device, comprising: the processing module, be connected with processing module and the storage module who has transmitted light information and target fingerprint information of storage, and the display module assembly who is connected with processing module. The display module comprises the display module 100. The processing module controls the light source unit 60 to emit light, the emergent light of the light source unit 60 after multiple total reflections in the transparent cover plate 20 is received by the optical sensor 80, the processing module processes the emergent light and the image which enter the sensor after total reflections, the received light information and the emitted light information are compared to obtain position information, and the received fingerprint image information and the target fingerprint information are subjected to authenticity judgment.
The emitted light information includes: the information of the emitted light in the normal working state of the light source unit 60 and the information of the emitted light after multiple total reflections by the transparent cover plate 20.
The target fingerprint is fingerprint information stored when fingerprint identification setting is performed. The target fingerprint information may include one or more fingerprint information.
The processing module is a processing chip and is arranged on the mainboard. The sensor is connected to the main board through an FPC (Flexible printed circuit), and the light source unit 60 is connected to the main board through a light source circuit board. The present invention is realized by the prior art which is not introduced, and is not described herein again.
The electronic device of the embodiment may be a handheld terminal, or a terminal such as a touch display. The handheld terminal can be a mobile phone, a PDA, a PAD and other terminals. The motherboard of the embodiment can be implemented by an existing terminal motherboard, such as a mobile phone motherboard, a pad, or a PDA motherboard. The processing chip can also be implemented by using an existing processor.
The light source unit 60 of this embodiment is preferably a collimated light source, and the collimated light source is on one side of the screen body, and forms a strip-shaped structure.
The light source unit 60 is located under the transparent cover plate 20, the light source unit 60 includes a first light source 62 and a second light source 64, and the first light source 62 and the second light source 64 are located in the X direction and the Y direction, respectively. The optical sensor 80 is disposed at the other side of the display screen body 40 opposite to the light source unit 60, and is located below the display screen body 40, and the optical sensor 80 includes: the first sensor 82 and the second sensor 84, and the first sensor 82 and the second sensor 84 are located in the X direction and the Y direction corresponding to the first light source 62 and the second light source 64, respectively.
The light rays emitted by the X-direction linear collimation light source, i.e., the first light source 62, are totally reflected inside the transparent cover plate 20, and the distances (planar projection distances) between points reaching the top of the transparent cover plate 20 are equal; the Y-direction light sources are similar, and the light rays emitted by the Y-direction linear collimation light source, i.e., the second light source 64, are totally reflected inside the transparent cover plate 20, and the distances (planar projection distances) between points reaching the top of the transparent cover plate 20 are equal; the points where the two directional rays reach the top of the transparent cover plate 20 form a matrix of dots.
As shown in fig. 4, when the finger touches the point (a, b), the total reflection process of the X-line a light and the Y-line b light is destroyed, the (a-1) line and the (a +1) line light are normally transmitted, and the X-direction optical sensor, i.e. the first sensor, can detect the a line; similarly, the light rays in the (b-1) row and the (b +1) row are normally transmitted, the Y-direction optical sensor, namely the second sensor, can detect the b columns, and the contact point position can be positioned after the data is processed.
Considering that the positive correlation between the size of the PPI identified by the fingerprint and the refractive index n of the total reflection light in the transparent cover plate is inversely correlated with the thickness T of the transparent cover plate, different PPI requirements can be met by adjusting n (the wavelength of a light source, the refractive index of glass) and the thickness T of the transparent cover plate.
The display module can realize full-screen optical fingerprint identification, and the transparent cover plate is used as a light conduction medium, so that the thickness of the display module is kept unchanged.
The light source units are respectively arranged in the X direction and the Y direction, the optical sensors are correspondingly respectively arranged in the X direction and the Y direction opposite to the light source units, and the light source units and the optical sensors are linearly arranged, so that the light source units and the optical sensors form a two-dimensional matrix structure.
The light source unit 60 is preferably a collimated light source arranged in a line, and the transmission is realized by total reflection inside the transparent cover plate, and the optical transmission is realized by means of the original components of the display module, so that the space is saved. The reflecting points of the X-direction light and the Y-direction light on the top of the transparent cover plate form a point matrix, and when a finger is positioned at one or more contact points, the finger can be detected.
In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Claims (10)
1. A display module, comprising:
the touch screen comprises a transparent cover plate, a touch screen and a touch screen, wherein the transparent cover plate is provided with a first surface and a second surface which are opposite, and the first surface forms a touch area;
the display screen body is arranged on the second surface of the transparent cover plate;
the light source unit is arranged at the edge of the second surface of the transparent cover plate and is arranged at the side part of the display screen body;
and the optical sensor is arranged on the other side of the display screen body relative to the transparent cover plate and is arranged at the edge position, and is arranged on the other side of the display screen body relative to the light source unit so as to receive emergent light of the light emitted by the light source unit after multiple total reflections in the transparent cover plate.
2. The display module assembly of claim 1, wherein the light source unit is disposed opposite to the optical sensor and located on two sides of the display screen body.
3. The display module according to claim 1, wherein the light source unit comprises: a first light source disposed in an X direction and a second light source disposed in a Y direction, the optical sensor including: the display screen comprises a first sensor and a second sensor, wherein the first sensor is arranged on the other side of the display screen body relative to the first light source, the second sensor is arranged on the other side of the display screen body relative to the second light source, and the first sensor and the second sensor are perpendicular to each other.
4. The display module according to claim 3, wherein the light emitted from the first light source in the X direction and the light emitted from the second light source in the Y direction are totally reflected inside the transparent cover plate for a plurality of times, and the points of the light reaching the top of the transparent cover plate form a dot matrix.
5. The display module according to claim 3, wherein the first light source is emitted from the X direction and totally reflected inside the transparent cover plate, and the planar projection distance between the points reaching the top of the transparent cover plate is equidistant; and the light rays emitted from the second light source in the Y direction are totally reflected in the transparent cover plate, and the plane projection distance between the points reaching the top of the transparent cover plate is equal.
6. The display module according to any one of claims 3 to 5, wherein the first light source and/or the second light source comprises a plurality of light sources, and the plurality of light sources are linearly arranged to form a linear light source; the first sensor and/or the second sensor comprises: a plurality of sensors linearly arranged to form a linear sensor.
7. The display module according to claim 6, wherein the plurality of first light sources are disposed in a one-to-one correspondence with the plurality of first sensors, the plurality of second light sources are disposed in a one-to-one correspondence with the plurality of second sensors, the first light sources and the second light sources form a two-dimensional matrix light source, and the first sensors and the second sensors form a two-dimensional matrix sensor.
8. The display module according to any one of claims 1 to 5, wherein the light source unit and the optical sensor are disposed on a side periphery of the display module, and the light source unit is a collimated light source arranged in a line.
9. The display module according to any one of claims 1 to 5, wherein the transparent cover is a glass cover, and the transparent cover forms a full screen touch area.
10. An electronic device, comprising: the processing module, with the storage module that processing module is connected, and the display module assembly that is connected with processing module, the display module assembly includes any one of claim 1-9 the display module assembly, the storage module stores the transmission light information and the target fingerprint information of light source unit, processing module control the light source unit is luminous, the emergent light after the transmission light of light source unit is through the multiple total reflection in the transparent cover plate is received by optical sensor, processing module handles emergent light and the image that gets into optical sensor, compares received emergent light information and transmission light information and obtains positional information, carries out the true and false judgement with target fingerprint information with received fingerprint image information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010325885.8A CN111597912A (en) | 2020-04-23 | 2020-04-23 | Display module and electronic equipment with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010325885.8A CN111597912A (en) | 2020-04-23 | 2020-04-23 | Display module and electronic equipment with same |
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| Publication Number | Publication Date |
|---|---|
| CN111597912A true CN111597912A (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010325885.8A Pending CN111597912A (en) | 2020-04-23 | 2020-04-23 | Display module and electronic equipment with same |
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| Country | Link |
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| CN (1) | CN111597912A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112883937A (en) * | 2021-04-08 | 2021-06-01 | 紫光计算机科技有限公司 | Fingerprint identification module and fingerprint identification method |
| CN113377242A (en) * | 2021-06-22 | 2021-09-10 | 武汉华星光电技术有限公司 | Display module |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107251050A (en) * | 2015-02-22 | 2017-10-13 | 微软技术许可有限责任公司 | Fingerprint detection with transparency cover |
| CN108615005A (en) * | 2018-04-20 | 2018-10-02 | Oppo广东移动通信有限公司 | Fingerprint recognition component, display device and electronic device |
| CN109564628A (en) * | 2018-10-15 | 2019-04-02 | 深圳市汇顶科技股份有限公司 | Fingerprint identification method, device and the terminal device with fingerprint identification function |
-
2020
- 2020-04-23 CN CN202010325885.8A patent/CN111597912A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107251050A (en) * | 2015-02-22 | 2017-10-13 | 微软技术许可有限责任公司 | Fingerprint detection with transparency cover |
| CN108615005A (en) * | 2018-04-20 | 2018-10-02 | Oppo广东移动通信有限公司 | Fingerprint recognition component, display device and electronic device |
| CN109564628A (en) * | 2018-10-15 | 2019-04-02 | 深圳市汇顶科技股份有限公司 | Fingerprint identification method, device and the terminal device with fingerprint identification function |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112883937A (en) * | 2021-04-08 | 2021-06-01 | 紫光计算机科技有限公司 | Fingerprint identification module and fingerprint identification method |
| CN112883937B (en) * | 2021-04-08 | 2023-09-26 | 紫光计算机科技有限公司 | Fingerprint identification module and fingerprint identification method |
| CN113377242A (en) * | 2021-06-22 | 2021-09-10 | 武汉华星光电技术有限公司 | Display module |
| CN113377242B (en) * | 2021-06-22 | 2023-12-15 | 武汉华星光电技术有限公司 | Display module |
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Application publication date: 20200828 |