CN106024833B - A kind of display panel and its fingerprint identification method, display device - Google Patents
A kind of display panel and its fingerprint identification method, display device Download PDFInfo
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- CN106024833B CN106024833B CN201610379199.2A CN201610379199A CN106024833B CN 106024833 B CN106024833 B CN 106024833B CN 201610379199 A CN201610379199 A CN 201610379199A CN 106024833 B CN106024833 B CN 106024833B
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- H01L27/3297—
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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
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Abstract
The invention discloses a kind of display panel and its fingerprint identification methods, display device, to improve the distance between fingerprint recognition structure and finger in display panel, to improve the accuracy of the fingerprint recognition of display panel.The display panel, including being located at the multiple Organic Light Emitting Diode OLED display devices being arranged in array above underlay substrate；Encapsulated layer above the OLED display device；Signal lines arranged in a crossed manner and mutually insulated and inductive signal line above the encapsulated layer；Wherein, the signal lines are used to receive the detection signal of fingerprint recognition, and the inductive signal line is used to generate inductive signal after finger touch.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of display panels and its fingerprint identification method, display device.
Background technique
With the development of fingerprint identification technology, it is made to be widely used in numerous areas.In electronic device terminal
Mobile phone, tablet computer and TV etc.；Gate inhibition and safety cabinet in security protection system etc..Fingerprint is adopted in fingerprint identification technology
The implementation of collection mainly has optical profile type, condenser type and ultrasonic imaging formula etc., wherein carrying out the finger of fingerprint collecting using optical profile type
The identification range of line identification technology is relatively large, and advantage of lower cost.
Currently, applying the fingerprint identification technology in display device still immature.Generally, there will be fingerprint recognition structure
It is arranged in Thin Film Transistor-LCD (thin film transistor-liquid crystal display, TFT-
LCD on), since TFT-LCD display panel includes the array substrate and color membrane substrates to box setting, and there is the knot of fingerprint recognition
Structure is arranged in color membrane substrates and faces the side of array substrate, or the side that array substrate faces color membrane substrates is arranged in, therefore
When carrying out fingerprint recognition, the distance of structure of the finger apart from fingerprint recognition includes at least the thickness of a color membrane substrates.Due to
The distance between the structure of finger and fingerprint recognition is distant, electric field signal when as more than 300um, between fingerprint recognition structure
Can be weak, so that fingerprint is difficult to be identified to.
Therefore, the accuracy for how reducing the distance between finger and fingerprint recognition structure, and improving fingerprint recognition is this
Field technical staff technical problem urgently to be resolved.
Summary of the invention
In view of this, the present invention provides a kind of display panel and its fingerprint identification method, display device, to improve display
The distance between fingerprint recognition structure and finger in panel, to improve the accuracy of the fingerprint recognition of display panel.
The embodiment of the invention provides a kind of display panel, including be located above underlay substrate be arranged in array it is multiple
Organic Light Emitting Diode OLED display device；
Encapsulated layer above the OLED display device；
Signal lines arranged in a crossed manner and mutually insulated and inductive signal line above the encapsulated layer；
Wherein, the signal lines are used to receive the detection signal of fingerprint recognition, and the inductive signal line is used in hand
Refer to and generates inductive signal after touching.
In a kind of possible embodiment, in above-mentioned display panel provided in an embodiment of the present invention, the display panel
Further include:
Polaroid above the signal lines and inductive signal line.
In a kind of possible embodiment, in above-mentioned display panel provided in an embodiment of the present invention, the detection signal
The projection and projection of the multiple OLED display device on underlay substrate of line and the inductive signal line on underlay substrate
It is not overlapped.
In a kind of possible embodiment, in above-mentioned display panel provided in an embodiment of the present invention, the detection signal
Line and the inductive signal line area defined arranged in a crossed manner include at least an OLED display device.
In a kind of possible embodiment, in above-mentioned display panel provided in an embodiment of the present invention, the detection signal
Line includes the first detection signal line extended in a first direction and the second signal lines extended in a second direction；
The inductive signal line includes the first inductive signal line extended in a second direction and extend in a first direction the
Two inductive signal lines, wherein the first direction is mutually perpendicular to second direction；
Wherein, the first detection signal line and the first inductive signal line area defined arranged in a crossed manner include four phases
Adjacent OLED display device, projection of second signal lines on underlay substrate and the first inductive signal line and the
Projection of the two inductive signal lines on underlay substrate is not overlapped, projection and institute of the second inductive signal line on underlay substrate
The projection of first detection signal line and the second signal lines on underlay substrate is stated not to be overlapped.
In a kind of possible embodiment, in above-mentioned display panel provided in an embodiment of the present invention, the display panel
Further include:
Positioned at where the signal lines layer and the inductive signal line insulating layer between layers.
Correspondingly, the embodiment of the invention also provides a kind of display devices, including above-mentioned provided in an embodiment of the present invention
A kind of display panel.
Correspondingly, the embodiment of the invention also provides a kind of fingerprint recognition sides of display panel provided in an embodiment of the present invention
Method, this method comprises:
The signal lines are applied with the detection signal of fingerprint recognition；
Receive the inductive signal that the inductive signal line is fed back after finger touch；
According to the situation of change of the difference of the detection signal and the inductive signal and the inductive signal line or inspection
The position for surveying signal wire determines the region that the information of the valley and a ridge of the fingerprint and the finger touch.
The present invention has the beneficial effect that:
The embodiment of the invention provides a kind of display panel and its fingerprint identification method, display device, the display panels
Including being located at the multiple Organic Light Emitting Diode OLED display devices being arranged in array above underlay substrate；Positioned at the OLED
Encapsulated layer above display device；Signal lines arranged in a crossed manner and mutually insulated and induction above the encapsulated layer
Signal wire；Wherein, the signal lines are used to receive the detection signal of fingerprint recognition, and the inductive signal line is used in finger
Inductive signal is generated after touch.Therefore, in compared with the prior art, by signal lines and induction with fingerprint recognition structure
Signal wire is arranged between color membrane substrates and array substrate, so that signal lines and inductive signal with fingerprint recognition structure
The distance between line and finger include at least color membrane substrates or thicker cover board, and display panel provided in an embodiment of the present invention is
Display panel based on OLED display device, and by with fingerprint recognition structure signal lines and inductive signal line setting exist
On encapsulated layer above OLED display device, to eliminate the thickness of color membrane substrates or cover board, display panel is reduced
Middle signal lines and the distance between inductive signal line and finger, further improve display surface provided in an embodiment of the present invention
The accuracy of the fingerprint recognition of plate.
Detailed description of the invention
Fig. 1 (a) and Fig. 1 (b) is the structural schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of second of display panel provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the third display panel provided in an embodiment of the present invention；
Fig. 4 is a kind of front view of display panel provided in an embodiment of the present invention；
Fig. 5 is the front view of second of display panel provided in an embodiment of the present invention；
Fig. 6 is the front view of the third display panel provided in an embodiment of the present invention；
Fig. 7 is a kind of flow diagram of the fingerprint identification method of display panel provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a kind of display panel and its fingerprint identification methods, display device, to improve display
The distance between fingerprint recognition structure and finger in panel, to improve the accuracy of the fingerprint recognition of display panel.
With reference to the accompanying drawing, to display panel provided in an embodiment of the present invention and its fingerprint identification method, display device
Specific embodiment is described in detail.
The shapes and sizes of each component do not reflect the actual proportions of display panel in attached drawing, and purpose is schematically illustrate hair
Bright content.
A kind of display panel provided in an embodiment of the present invention referring to Fig. 1 (a) and Fig. 1 (b), including is located at underlay substrate 11
The multiple Organic Light Emitting Diode OLED display devices 12 of top being arranged in array；Envelope above OLED display device 12
Fill layer 13；Signal lines 14 arranged in a crossed manner and mutually insulated and inductive signal line 15 above encapsulated layer 13；Wherein,
Signal lines 14 are used to receive the detection signal of fingerprint recognition, and inductive signal line 15 is used to after finger touch generate induction letter
Number.
Wherein, underlay substrate can be the substrate of polyimides (PI) material production, and underlay substrate is bent simultaneously
With flexibility, so display panel can be flexible display panels.It is not specifically limited herein.The OLED arranged on underlay substrate
Then display device excites photochromic transition material to obtain feux rouges including the device by preparing blue light-emitting OLED using its blue light
And green light, to obtain the OLED device of full color, therefore aobvious using the colour that the OLED display device of technology production is realized
Show, Nan dian Yao element only need to be deposited, the blue light in environment is then absorbed by Color Conversion material, obtains generating feux rouges
OLED display device and the OLED display device for generating green light.OLED display device in the embodiment of the present invention further includes using white
The OLED display device of light OLED combination colorized optical filtering film production realizes colored display, the i.e. device by preparing the OLED that emits white light
Part, then obtains three primary colours by color filter film, and recombinant three primary colours realize colored display.Therefore, in the embodiment of the present invention
OLED display device include the colored display realized in any manner device.It is not specifically limited herein.
OLED display device is by the pollution of outside air or moisture in order to prevent, above the OLED display device of formation
Form the encapsulated layer for sealing OLED display device, wherein encapsulated layer can be using inorganic material and the mutual heap of organic material
Folded mode is made, and can also be formed encapsulated layer by the way of other sealants, is not specifically limited herein.
It should be noted that signal lines and inductive signal line in display panel provided in an embodiment of the present invention can be with
Same layer setting, can also the setting of different layer, be not specifically limited herein.It is same that Fig. 1 (a), which is with signal lines and inductive signal line,
The structural schematic diagram drawn for layer structure, Fig. 1 (b) are drawn so that signal lines and inductive signal line are different layer structure as an example
Structural schematic diagram.Wherein, inductive signal line can extend in a first direction, and signal lines can extend in a second direction,
Alternatively, inductive signal line extends in a second direction, signal lines are extended in a first direction, and are not specifically limited herein.In addition,
Signal lines and inductive signal line are outside the function of realizing fingerprint recognition, moreover it can be used to which the touch-control for realizing display panel is examined
It surveys signal wire and receives touch scanning signals, inductive signal line generates inductive signal after user touches, thus realize touch-control, because
This display panel provided in an embodiment of the present invention had not only been able to achieve fingerprint recognition but also had been able to achieve touch function.
Display panel provided in an embodiment of the present invention include above the underlay substrate be arranged in array it is multiple organic
Light emitting diode OLED display device；Encapsulated layer above OLED display device；It is arranged in a crossed manner above encapsulated layer
And the signal lines and inductive signal line of mutually insulated；Wherein, signal lines are used to receive the detection signal of fingerprint recognition,
Inductive signal line is used to generate inductive signal after finger touch.Therefore, in compared with the prior art, there will be fingerprint recognition knot
The signal lines and inductive signal line of structure are arranged between color membrane substrates and array substrate, so that with fingerprint recognition structure
Signal lines and the distance between inductive signal line and finger include at least color membrane substrates or thicker cover board, and the present invention is real
The display panel for applying example offer is the display panel based on OLED display device, and by the detection signal with fingerprint recognition structure
Line and inductive signal line are arranged on the encapsulated layer above OLED display device, to eliminate color membrane substrates or cover board
Thickness reduces signal lines and the distance between inductive signal line and finger in display panel, further improves this hair
The accuracy of the fingerprint recognition for the display panel that bright embodiment provides.
In a particular embodiment, in display panel provided in an embodiment of the present invention, referring to Fig. 1 (a), when signal lines 14
With inductive signal line 15 be same layer structure setting when, the region that signal lines 14 are intersected with inductive signal line, further include insulate
Layer 16, so that mutually insulated between inductive signal line and signal lines.Referring to Fig. 1 (b), when signal lines 14 and induction letter
When number line 15 is different floor structure setting, 14 place layer of signal lines and inductive signal line further include insulating layer between layers
16, so that mutually insulated between inductive signal line and signal lines.Wherein the material of insulating layer, which can be selected, has the transparency
It is made with the material of insulating properties, is not specifically limited herein.
It in a particular embodiment, further include being located at detection letter referring to fig. 2 in display panel provided in an embodiment of the present invention
The polaroid 17 of 15 top of number line 14 and inductive signal line.Wherein, the thickness of polaroid is generally thinner than the thickness of cover board, and not
It can be more than 300um.The scratch resistance that polaroid 17 increases display panel is set above signal lines 14 and inductive signal line 15
Ability, and further improve the reflection action of metal routing in display panel.Wherein, metal routing includes in display panel
Any cabling, including grid line, signal lines and inductive signal line etc..For example, when each OLED display device uses active drive
It further include being located at underlay substrate 11 in display panel provided in an embodiment of the present invention referring to Fig. 3 when dynamic mode is shown
Low temperature polycrystalline silicon (LTPS) backboard 18 between OLED display device 12, each OLED display device, which connects one, has switch
The low-temperature polysilicon film transistor of function, to increase the metal routings such as grid line.Polaroid provided in an embodiment of the present invention
The reflection action of metal is further avoided, and increases the scratch resistance capability of display panel.
In a particular embodiment, the polaroid in display panel provided in an embodiment of the present invention can be reduced to the left side 100um
The right side, certainly, the thickness of polaroid can be thinner, to further reduce between signal lines and inductive signal line and finger
Distance.
In a particular embodiment, in above-mentioned display panel provided in an embodiment of the present invention, in order to avoid the embodiment of the present invention
In signal lines and inductive signal line influence display panel aperture opening ratio, the front view of display panel shown in Figure 4,
The projection of signal lines 14 and inductive signal line 15 on underlay substrate and multiple OLED display devices 12 are on underlay substrate
Projection be not overlapped.
In a particular embodiment, in above-mentioned display panel provided in an embodiment of the present invention, signal lines and inductive signal
Line area defined arranged in a crossed manner includes at least an OLED display device.Specifically, referring to fig. 4,14 He of signal lines
The area defined arranged in a crossed manner of inductive signal line 15 includes an OLED display device 12, that is, corresponds to a sub-pixel unit.
Generally, the size of fingerprint recognition is 50um or so, so that the pixel precision of 500PPI is realized, therefore, by two neighboring detection
The distance between signal wire is set as 50um, sets 50um for the distance between two neighboring inductive signal line, so that
Each adjacent two signal lines and two neighboring inductive signal line area defined just include an OLED display device,
To improve the accuracy of fingerprint recognition.With the increase of the number of the wiring of signal lines and inductive signal line, so that
Signal wire cabling in display panel is complex, carries out fingerprint recognition using mutual capacitance type in the embodiment of the present invention, compared to certainly
Appearance formula reduces display panel wiring, while improving the accuracy and precision of fingerprint recognition.Referring to Fig. 5, signal lines 14
Include four OLED display devices 12 with the area defined arranged in a crossed manner of inductive signal line 15, that is, corresponds to four sub-pix lists
Member.Under the premise of not influencing the precision of fingerprint recognition, increase the distance between signal lines, or increase inductive signal line
The distance between, or increase the distance between signal lines and inductive signal line, so that signal lines and inductive signal
The number for the OLED display device that line area defined arranged in a crossed manner includes increases, and also belongs to protection scope of the present invention.
In a particular embodiment, the face of the mutual capacitance between signal lines and inductive signal line in order to further increase
Long-pending, in above-mentioned display panel provided in an embodiment of the present invention, referring to Fig. 6, signal lines 14 include extending in a first direction
First detection signal line 141 and the second signal lines 142 extended in a second direction；Inductive signal line 15 includes along second party
Inductive signal line 151 and the second inductive signal line 152 for extending in a first direction to the first of extension, wherein first direction with
Second direction is mutually perpendicular to；Wherein, first detection signal line 141 and the surrounded area arranged in a crossed manner of the first inductive signal line 151
Domain includes four adjacent OLED display devices 12, projection of second signal lines 142 on underlay substrate and the first induction
The projection of signal wire 151 and the second inductive signal line 152 on underlay substrate is not overlapped, and the second inductive signal line 152 is in substrate
Projection and the projection of first detection signal line 141 and the second signal lines 142 on underlay substrate on substrate be not be overlapped.Such as
Display panel shown in fig. 6 increases the area overlapped between signal lines and inductive signal line, to increase detection letter
Mutual capacitance number between line and inductive signal line, helps to improve the variable quantity of the capacitor due to caused by finger.
It should be noted that signal lines and inductive signal line in display panel provided in an embodiment of the present invention can be with
It is made of transparent conductive material, avoids the normal display for influencing display panel；Or it is made of metal material, and set
The non-display area between each OLED display device is set, the aperture opening ratio for influencing display panel is avoided.Specific limit is not done herein
It is fixed.Wherein, signal lines and inductive signal line are being realized outside fingerprint identification function, moreover it is possible to realize the touch-control function of display panel
Energy.Details are not described herein for the implementation of touch function.
Based on same invention thought, the embodiment of the invention also provides a kind of display panels provided in an embodiment of the present invention
Fingerprint identification method, referring to Fig. 7, this method comprises:
S701, the detection signal that the signal lines are applied with fingerprint recognition；
S702, the inductive signal that the inductive signal line is fed back after finger touch is received；
S703, the situation of change according to the difference for detecting signal and the inductive signal and the inductive signal line
Or the position of signal lines, determine the region that the information of the valley and a ridge of the fingerprint and the finger touch.
It should be noted that realizing fingerprint recognition function in the fingerprint identification method of the display panel of the embodiment of the present invention
While energy, moreover it is possible to according to the situation of change of the difference of detection signal and inductive signal and inductive signal line or signal lines
Position, determine finger touch region, to realize the touch function of display panel.
Based on same invention thought, the embodiment of the invention also provides a kind of display devices, including the embodiment of the present invention to mention
Any of the above-described kind of the display panel supplied.The display device can be with are as follows: mobile phone, tablet computer, television set, display, notebook
Computer, Digital Frame, navigator etc. are any having a display function and for fingerprint recognition and the products or components of touch-control.It should
The implementation of display device may refer to the embodiment of above-mentioned display panel, and overlaps will not be repeated.
In conclusion the embodiment of the invention provides a kind of display panel and its fingerprint identification method, display device, it is described
Display panel includes the multiple Organic Light Emitting Diode OLED display devices being arranged in array above underlay substrate；It is located at
Encapsulated layer above the OLED display device；Detection signal arranged in a crossed manner and mutually insulated above the encapsulated layer
Line and inductive signal line；Wherein, the signal lines are used to receive the detection signal of fingerprint recognition, and the inductive signal line is used
In generating inductive signal after finger touches.Therefore, in compared with the prior art, by the detection signal with fingerprint recognition structure
Line and inductive signal line are arranged between color membrane substrates and array substrate so that the signal lines with fingerprint recognition structure and
The distance between inductive signal line and finger include at least color membrane substrates or thicker cover board, provided in an embodiment of the present invention aobvious
Show that panel is the display panel based on OLED display device, and by signal lines and inductive signal with fingerprint recognition structure
Line is arranged on the encapsulated layer above OLED display device, to eliminate the thickness of color membrane substrates or cover board, reduces
Signal lines and the distance between inductive signal line and finger in display panel further improve offer of the embodiment of the present invention
Display panel fingerprint recognition accuracy.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. a kind of display panel, which is characterized in that the display panel include above the underlay substrate be arranged in array it is more
A Organic Light Emitting Diode OLED display device；
Encapsulated layer above the OLED display device；
Signal lines arranged in a crossed manner and mutually insulated and inductive signal line above the encapsulated layer；
Wherein, the signal lines are applied with the detection signal for being used for fingerprint recognition, the inductive signal line is used in finger
Inductive signal is generated after touch.
2. display panel according to claim 1, which is characterized in that the display panel further include:
Polaroid above the signal lines and inductive signal line.
3. display panel according to claim 1, which is characterized in that the signal lines and the inductive signal line exist
Projection on underlay substrate is not be overlapped with projection of the multiple OLED display device on underlay substrate.
4. display panel according to claim 3, which is characterized in that the signal lines and the inductive signal line are handed over
Fork setting area defined includes at least an OLED display device.
5. display panel according to claim 4, which is characterized in that the signal lines include extending in a first direction
First detection signal line and the second signal lines for extending in a second direction；
The inductive signal line includes that the first inductive signal line extended in a second direction and second extended in a first direction are felt
Induction signal line, wherein the first direction is mutually perpendicular to second direction；
Wherein, the first detection signal line and the first inductive signal line area defined arranged in a crossed manner include four adjacent
OLED display device, projection of second signal lines on underlay substrate and the first inductive signal line and the second sense
Projection of the induction signal line on underlay substrate is not overlapped, projection of the second inductive signal line on underlay substrate and described the
The projection of one signal lines and the second signal lines on underlay substrate is not overlapped.
6. display panel according to claim 1, which is characterized in that the display panel further include:
Positioned at where the signal lines layer and the inductive signal line insulating layer between layers.
7. a kind of display device, which is characterized in that including display panel described in any claim of claim 1-6.
8. a kind of fingerprint identification method of display panel described in any claim of claim 1-6, which is characterized in that this method packet
It includes:
The signal lines are applied with the detection signal of fingerprint recognition；
Receive the inductive signal that the inductive signal line is fed back after finger touch；
According to the situation of change of the difference of the detection signal and the inductive signal and the inductive signal line or detection letter
The position of number line determines the region that the information of the valley and a ridge of the fingerprint and the finger touch.
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| CN201610379199.2A CN106024833B (en) | 2016-05-31 | 2016-05-31 | A kind of display panel and its fingerprint identification method, display device |
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| CN201610379199.2A CN106024833B (en) | 2016-05-31 | 2016-05-31 | A kind of display panel and its fingerprint identification method, display device |
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| CN106024833B true CN106024833B (en) | 2018-12-18 |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108229241A (en) | 2016-12-09 | 2018-06-29 | 上海箩箕技术有限公司 | Display module and its application method |
| CN108242453B (en) | 2016-12-23 | 2020-07-28 | 京东方科技集团股份有限公司 | O L ED display panel and display device |
| WO2018209671A1 (en) * | 2017-05-19 | 2018-11-22 | 上海箩箕技术有限公司 | Display module |
| CN107247925A (en) * | 2017-05-19 | 2017-10-13 | 上海箩箕技术有限公司 | Display module |
| CN107203751B (en) * | 2017-05-24 | 2020-03-24 | 厦门天马微电子有限公司 | Display panel and display device |
| CN107066162B (en) * | 2017-05-27 | 2020-03-17 | 上海天马微电子有限公司 | Display panel and display device |
| KR102489440B1 (en) * | 2017-12-27 | 2023-01-16 | 엘지디스플레이 주식회사 | Fingerprint sensing display apparatus |
| CN108073900B (en) * | 2017-12-14 | 2021-01-08 | 京东方科技集团股份有限公司 | Flexible display panel for fingerprint identification, display device and fingerprint identification method |
| CN108960118B (en) * | 2018-06-28 | 2021-08-20 | 厦门天马微电子有限公司 | Capacitive fingerprint identification method, display panel and display device |
| CN109144311B (en) * | 2018-07-26 | 2022-06-07 | 京东方科技集团股份有限公司 | Display substrate, fingerprint identification method and touch display device |
| WO2020118620A1 (en) * | 2018-12-13 | 2020-06-18 | 深圳市汇顶科技股份有限公司 | Fingerprint recognition apparatus and method, and electronic device |
| CN112114717B (en) * | 2020-09-22 | 2024-01-26 | 京东方科技集团股份有限公司 | Array substrate, display panel and display device of micro light emitting diode |
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| CN103168283A (en) * | 2010-10-18 | 2013-06-19 | 高通Mems科技公司 | Fabrication of touch, handwriting and fingerprint sensor |
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| CN103168283A (en) * | 2010-10-18 | 2013-06-19 | 高通Mems科技公司 | Fabrication of touch, handwriting and fingerprint sensor |
| CN104166489A (en) * | 2014-08-05 | 2014-11-26 | 京东方科技集团股份有限公司 | Display panel, display device and display driving method |
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