CN108091680A - The light-emitting-diode panel that optical finger print recognizes in screen - Google Patents
The light-emitting-diode panel that optical finger print recognizes in screen Download PDFInfo
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- CN108091680A CN108091680A CN201810011396.8A CN201810011396A CN108091680A CN 108091680 A CN108091680 A CN 108091680A CN 201810011396 A CN201810011396 A CN 201810011396A CN 108091680 A CN108091680 A CN 108091680A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
-
- 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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- Physics & Mathematics (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Sustainable Development (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
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Abstract
The invention discloses the light-emitting-diode panels that optical finger print in a kind of screen recognizes, the directive property light provided using light emitting diode is conducted in light guide base plate in a manner of total reflection, the fingerprint of fingerprint receiving area is pressed against with sensing, electric signal is converted optical signals by Photosensing Units, to distinguish the feature of fingerprint.Due to directly utilizing light emitting diode as light source, more usable photodiode is as Photosensing Units and is incorporated into the light shield layer region of light-emitting-diode panel, the purpose of integration Photosensing Units can be realized there is no need to increase the area of substrate, in addition, since the surface of almost entire light guide base plate can provide the area as fingerprint touching, thus improve the convenience used.Because directive property light can be by specific optical microstructures to adjust light path before Photosensing Units is entered to, therefore in the case of general use, the influence of the direct light of environment or strong light can be preferably minimized, to ensure the accuracy of identification of fingerprint.
Description
Technical field
The present invention relates to a kind of light-emitting-diode panel, especially in regard to a kind of light-emitting diodes with optical finger print identification
Tube face plate, and optical finger print identification is more incorporated into light-emitting-diode panel.
Background technology
Current developing identification of fingerprint technology mainly includes semiconductor-type, optical profile type and ultrasonic type, wherein, semiconductor
Formula and the identification of fingerprint technology that optical profile type is more ripe technology and existing mainstream.Wherein, semiconductor-type fingerprint sensor
Principle is that the micromation sensor such as highdensity capacitance sensor or pressure sensor is integrated in a chip, is pressed in fingerprint
Press chip surface when, inside micro capacitance sensor can according to fingerprint peaks and troughs assemble and generate the different quantities of electric charge (or
It is the temperature difference), form fingermark image.Optical fingerprint sensor is collectively constituted a set of using light source, optical element, photoelectric sensor
Fingerprint collecting equipment, profit press with finger, and the peaks and troughs of fingerprint obtains one piece of fingerprint for the absorption and destruction of total reflection
Image, then by image capture and export to achieve the effect that differentiation.Due to the acquisition mode of optical profile type be contactless chip in itself,
Namely it is to be made of optical elements such as acryl or glass at fingerprint pressing, therefore the advantage of optical profile type maximum is exactly price
It is cheap and durable.
And be typically to be independently arranged identification of fingerprint on current running gear, because be can not to integrate display work and
Identification of fingerprint work is carried out at the same time, therefore the independent region of identification of fingerprint is set, part dealer be arranged at running gear back-cover or
Side, so design is due to less meeting ergonomics, often resulting in false touch or being difficult to the awkward situation sensed, therefore has part industry
Identification of fingerprint is arranged at the non-touch-control region of running gear Touch Screen by person, and if the disadvantage is that, moral conduct moves dress at dark
During the finger print identification function put, which substantially shows then quite not convenient.
It is gradually ripe with the technology development of light-emitting-diode panel, it is of the invention then utilize light emitting diode that can shine in itself
Characteristic, and in combination with the technology of optical fingerprint identification, to provide the light emitting diode that optical finger print in a kind of screen recognizes
Panel can be embedded in light-emitting-diode panel, and by the light path of uniqueness design that environment light source and strong light is greatly reduced
Interference of the source in identification of fingerprint.
The content of the invention
It is a primary object of the present invention to which the total reflection light path of directive property light is designed in panel, to provide fingerprint
Required optical signal during identification, in the environment of the interference of any light, the identification of fingerprint can be effectively performed.
The secondary objective of the present invention is Photosensing Units being integrated on light emitting diode base plate, passes through light emitting diode
Directive property light is provided, so there is no need to additionally set light source.
Another object of the present invention is to use photodiode as Photosensing Units, and it is integrated in light-emitting diodes
In pipe substrate.
It is still another object of the present invention to provide a kind of optical finger prints to recognize light-emitting-diode panel, most panel
Product is to the fingerprint receiving area as fingerprint, while Photosensing Units is arranged on the light shield layer of light emitting diode base plate by collocation
Region, therefore can realize the identification of fingerprint panel of full screen display.
To reach above-mentioned purpose and effect, the invention discloses the light emitting diode faces that optical finger print in a kind of screen recognizes
Plate, with main display area and time display area, the light-emitting-diode panel of optical finger print identification includes in screen of the invention
One light emitting diode base plate, a light guide base plate and a Photosensing Units, light emitting diode base plate have multiple light emitting diodes, and
To provide a directive property light, the fingerprint receiving area of light guide base plate is carried out effectively an at least light emitting diode with for finger
Pressing, the directive property light from light source enters to light guide base plate from signal ingress area and is totally reflected and generates optics
Signal leaves light guide base plate from signal export area eventually, and enters to electrical to convert optical signals into Photosensing Units
Signal is recognized with completing the fingerprint characteristic of finger.
Since the present invention is the optical signalling light source by the light with specific directive property as identification of fingerprint, and pass through complete
The mode of reflection can reach identification of fingerprint effect in the screen of full screen display to ensure the transmission validity of optical signalling, simultaneously
By the way that Photosensing Units to be substantially correspondingly arranged to the light shield layer region of light emitting diode base plate, therefore do not influence not only to shine
The original design of diode panel can more maintain the characteristic of light-emitting-diode panel thinning.
Description of the drawings
Fig. 1 is the structural section signal of the light-emitting-diode panel of optical finger print identification in a kind of screen provided by the invention
Figure.
Fig. 2 a are as the partial structurtes schematic cross-section of optical texture with optical element (grating).
Fig. 2 b are to be shown with secondary component (Fresnel lens, Fresnel lens) as the partial structurtes section of optical texture
It is intended to.
Fig. 2 c are as the partial structurtes schematic cross-section of optical texture with optical microstructures.
Fig. 3 is the structural section signal of the light-emitting-diode panel of optical finger print identification in another screen provided by the invention
Figure.
Fig. 4 is the structural section signal of the light-emitting-diode panel of optical finger print identification in another screen provided by the invention
Figure.
Reference sign：The light-emitting-diode panel that optical finger print recognizes in 1a, 1b, 1c, 1d, 1f- screen；12- is guide-lighting
Substrate；122- fingerprints receiving area；124- signal ingress areas；126- signals export area；14- light emitting diode base plates；16-
Photosensing Units；22- light emitting diodes；24- light emitting diodes；26- polarisation substrates；28- protective glass substrates；The main displays of 32-
Region；34- display area；42- optical textures (grating)；44- optical textures (Fresnel lens)；46- optical texture (optics
Micro-structure)；FG- fingers；BM- light shield layers region.
Specific embodiment
The technology used in the present invention means and its construction, hereby drawing, it is special with regard to presently preferred embodiments of the present invention elaborate
Sign is as follows with function.
It refer to Fig. 1 first, be the light-emitting-diode panel of optical finger print identification in a kind of screen provided by the invention
Structural section schematic diagram.The light-emitting-diode panel 1a that optical finger print recognizes in screen has main display area 32 and time display area
34, the light-emitting-diode panel 1a of optical finger print identification includes the guide-lighting base of a light emitting diode base plate 14, one in screen of the invention
12 and one Photosensing Units 16 of plate.
Light emitting diode base plate 14 has multiple light emitting diodes 22,24, and wherein at least one light emitting diode 22 is used
To provide directive property light (shown in dotted line), remaining light emitting diode 24 then to provide screen in optical finger print identification shine
Light required when showing diode panel 1a, therefore, the light emitting diode face that optical finger print recognizes in screen provided by the invention
Plate 1a need not additionally set light source, but give main display area 32 to avoid providing enough display light, while also in not shadow
On the premise of ringing display quality, to provide the 22 preferable installation position of light emitting diode of directive property light (shown in dotted line) reality
Quality corresponds to time display area 34.Meanwhile the present invention is subject to ambient light or strong light for the identification of fingerprint that optical profile type is avoided to judge
The influence of line, therefore the light to have specific directive property as the light of identification of fingerprint, so that directive property light (dotted line institute
Show) light guide base plate 12 can be entered at a particular angle, it uses and is separated with the light from environment or strong light, it can be true
Protect the accuracy of identification of fingerprint.
In addition, above-mentioned light-emitting-diode panel 14 can be active organic light-emitting diode substrate, the organic hair of passive type
Optical diode substrate, millimeter light emitting diode base plate or micro- light emitting diode base plate, certainly, the light emitting diode being arranged on
22nd, 24 can be accordingly active organic light-emitting diode, passive organic light-emitting diode, millimeter light emitting diode or micro-
Light emitting diode.
Light guide base plate 12 then has fingerprint receiving area 122, signal ingress area 124 and signal export area 126, wherein
Can to contain the entire display areas of light-emitting-diode panel 1a or light-emitting-diode panel 1a local for fingerprint receiving area 122
Display area, in other words, fingerprint receiving area 122 can be corresponded to the main display area 32 of light-emitting-diode panel 1a and at least
Secondary display area 34 or fingerprint receiving area 122 partially or fully, which can be corresponded to the entire masters of light-emitting-diode panel 1a, to be shown
Show that region 32 or fingerprint receiving area 122 are only corresponded to the local main display area 32 of light-emitting-diode panel 1a, wherein,
Main display area 32 is such as, but not limited to function of tonic chord option, dialog box, digital keys viewing area to show important information
Domain etc., and secondary display area 34 is then to show more secondary information, such as, but not limited to time, the date, temperature or
Do not show that any information only provides the region of background frame or is hidden in picture exterior domain such as frame (dead even
Band), by taking this embodiment aspect as an example, fingerprint receiving area 122 contains the secondary display of whole 32 domains of main viewing area and part
Region 34.And the signal ingress area 124 and signal export area 126 in light guide base plate 12 can be minute surface, prismatic film, grating
Or the form of optical fiber.
Photosensing Units 16 can be set between light emitting diode base plate 14 and light guide base plate 12, and is substantially positioned away from leading
On the light path of the directive property light (shown in dotted line) of photopolymer substrate 12.In this embodiment aspect, Photosensing Units 16 is with optics two
Illustrate exemplified by pole pipe (photo diode), and the Photosensing Units 16 of optical diode may be provided at light emitting diode base plate 12
In, between two adjacent light emitting diodes 24, in more detail, Photosensing Units 16 is arranged on two adjacent light emitting diodes 24
Between light shield layer region BM, such design, not only without the installation space of additional Photosensing Units 16, while also not
Influence whether the display efficiency of light-emitting-diode panel 1a.
According to said structure, the directive property light (shown in dotted line) provided as specific light emitting diode 22 is self-confident
It after number ingress area 124 enters to light guide base plate 12, and is totally reflected inside light guide base plate 12, as the finger F G of user
When being pressed in the range of fingerprint receiving area 122, change the path of directive property light (shown in dotted line) and while produce
A raw optical signalling, after directive property light (shown in dotted line) leaves light guide base plate 12 from signal export area 126, enters to light
Sensing element 16, the variation of energy and then generation voltage of the Photosensing Units 16 because receiving directive property light (shown in dotted line), because
This converts optical signals into electric signal, then goes out the fingerprint of user's finger FG with interpretation via optical processor (figure is not shown)
Feature.And since the optical signalling of fingerprint characteristic only accounts for 120~180 bytes, optionally (scheme with video-stream processor
Do not show), touch-control processor (figure do not show) be integrated into single a driving circuit together.
In addition, an at least optical texture is optionally provided between light emitting diode base plate 14 and light guide base plate 12
42nd, 44,46 so that light emitting diode 22 provide directive property light (shown in dotted line) after optical texture 42,44,46, can
It collimatedly enters to the signal ingress area 124 of light guide base plate 12 or enters to leaded light in a manner of with specific incident angle
The signal ingress area 124 of substrate 12, it is micro- that above-mentioned optical texture 42,44,46 may be selected from optical element, secondary component, optics
Structure and combinations thereof.Then disclosed in Fig. 2 a, Fig. 2 b and Fig. 2 c three kinds screen in optical finger print identification light-emitting-diode panel 1b,
The aspect of 1c, 1d, first as shown in Figure 2 a, by taking optical element (grating) 42 as an example, the directive property from light emitting diode 22
Light (shown in dotted line) is adjusted to the incident light with specific incident angle before light guide base plate 12 is entered to, and in figure 2b
It discloses with the aspect exemplified by secondary component (Fresnel lens, Fresnel lens) 44, the direction from light emitting diode 22
Property light (shown in dotted line) incident light of collimation is adjusted to before light guide base plate 12 is entered to, it is and oblique with groove in light guide base plate
Face mode imports light into light guide base plate, this inclined-plane may be alternatively located at light guide base plate edge, finally, is then disclosed with for optics in Fig. 2 c
Aspect exemplified by micro-structure 46, the directive property light (shown in dotted line) from light emitting diode 22 enter to light guide base plate 12 it
Before be adjusted to collimation incident light, it is notable that the kenel and structure of above-mentioned optical texture 42,44,46 and finally finger
Tropism light enters to the incident angle of light guide base plate 12 (shown in dotted line), have no specific limitation, that is to say, that using light
In aspect exemplified by grid 42, directive property light (shown in dotted line) also may be to be incident to the angle of collimation in light guide base plate 12,
Most of all, the directive property light (shown in dotted line) from light emitting diode 22 can by optical texture 42,44,46 with into
Enter to before light guide base plate 12, according to design and demand, so as to adjust into can matched incident angle.It is though above-mentioned with absolute construction
The aspect of body represents optical texture 42,44,46, but in actual design, optical texture 42,44,46, which can also be incorporated into, leads
Photopolymer substrate 12.
It please continue with reference to shown in Fig. 3, for the light emitting diode of optical finger print identification in another screen provided by the invention
The structural section schematic diagram of panel must be transferred using the difference of refractive index light to be controlled to enter in light guide base plate under this framework,
Refractive index 1 is identical or close with light guide base plate, and refractive index 2 is then smaller than light guide base plate.Optics refers in screen in this embodiment aspect
The light-emitting-diode panel 1e of line identification, Photosensing Units 16 are independent element and are arranged on the lower section of light guide base plate 12.
It please continue referring again to Fig. 4, the light-emitting-diode panel 1f of optical finger print identification is disclosed in the screen in this embodiment aspect
More it is provided with a polarisation substrate 26 and a protective glass substrate 28 between light guide base plate 12 and light emitting diode base plate 14, no
Cross polarisation substrate 26 and protective glass substrate 28 optionally set, in other words, polarisation substrate 26 and protective glass substrate 28
Can set or select simultaneously a setting or polarisation substrate 26 and protective glass substrate 28 can more be integrated into single structure.Meanwhile polarisation
Substrate 26 can also be integrated into single structure or polarisation substrate 26, protective glass substrate 28 and light guide base plate 12 with light guide base plate 12
Single structure can be more integrated into.As described above, directive property light of the light guide base plate 12 except providing to carry out identification of fingerprint
Outside line is totally reflected (shown in dotted line), can also have the function of polarisation and protection simultaneously.
In conclusion the light-emitting-diode panel that optical finger print recognizes in the screen provided according to the present invention is to refer to detecting
The Photosensing Units of line is incorporated into light-emitting-diode panel, and the total reflection by directive property light in light guide base plate, with
Sensing is pressed against the fingerprint of fingerprint receiving area, and passes through Photosensing Units and convert optical signals into electric signal, to distinguish
The feature of fingerprint, the Photosensing Units especially formed using photodiode is to be integrated in the screening of light emitting diode base plate
On photosphere region, therefore the display effect and quality of panel will not be reduced.Also because directive property light is entering to light sensing member
Can be by specific optical microstructures to adjust light path before part, it while more can be by being arranged on light guide base plate and light sensing member
Signal amplification component (figure is not shown) between part, with the accuracy for keeping the intensity of optical signalling, ensuring identification of fingerprint.
And in actual use, the light-emitting-diode panel that optical finger print recognizes in screen provided by the invention can be applicable to
The various devices with screen such as running gear, screen, TV, since the light-emitting-diode panel of the present invention is with sizable
Fingerprint receiving area, for a user, without the identification that too can deliberately carry out fingerprint easily, either Rouser
Or identity identification is carried out, and it can more promote the function that user uses fingerprint protection because the convenience that uses is promoted, it is and existing
The side surface that identification of fingerprint is arranged on to device or the situation of rear surface compare, optical finger print recognizes in screen provided by the invention
Light-emitting-diode panel the mechanism of fingerprint protection can be allowed more to play its function.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not used for limiting the scope that the present invention is implemented.Therefore i.e.
Equivalent change or modification carried out by all features and spirit according to described in the claims in the present invention should all be included in the protection of the present invention
In the range of.
Claims (20)
- It, should 1. the light-emitting-diode panel that optical finger print recognizes in a kind of screen has a main display area and a display area The light-emitting-diode panel that optical finger print recognizes in screen supplies proficiency fingering row identification of fingerprint, which is characterized in that includes：One light emitting diode base plate has multiple light emitting diodes, and at least one light emitting diode provides a directive property light；One light guide base plate is arranged above the light emitting diode base plate, which has at least a fingerprint receiving area, one Signal ingress area and a signal export area, the fingerprint receiving area are effectively pressed for the finger, are shone from this The directive property light of diode enters to the light guide base plate and in being wherein totally reflected from the signal ingress area, and at this Finger generates an optical signalling when pressing on the fingerprint receiving area, and leaves the light guide base plate from the signal export area；With AndOne Photosensing Units sets between the light emitting diode base plate and the light guide base plate and is positioned away from being somebody's turn to do for the light guide base plate On the light path of directive property light, after the optical signalling of the light guide base plate is left in Photosensing Units reception, which is believed Number an electric signal is converted to recognize a fingerprint characteristic of the finger.
- 2. the light-emitting-diode panel of optical finger print identification in screen as described in claim 1, which is characterized in that the light-emitting diodes An at least optical texture is provided between pipe and the light guide base plate, the directive property light which provides passes through the light The signal ingress area of the light guide base plate collimatedly or non-collimatedly is entered to after structure.
- 3. the light-emitting-diode panel of optical finger print identification in screen as claimed in claim 2, which is characterized in that the micro- knot of the optics Structure is optical element, secondary component, optical microstructures and combinations thereof.
- 4. the light-emitting-diode panel of optical finger print identification in screen as claimed in claim 2, which is characterized in that the micro- knot of the optics Structure is absolute construction body.
- 5. the light-emitting-diode panel of optical finger print identification in screen as claimed in claim 2, which is characterized in that the micro- knot of the optics Structure is integrated in the light guide base plate.
- 6. the light-emitting-diode panel of optical finger print identification in screen as described in claim 1, which is characterized in that the light-emitting diodes Pipe substrate is active organic light-emitting diode substrate, passive organic light-emitting diode substrate, millimeter light emitting diode base plate Or micro- light emitting diode base plate.
- 7. the light-emitting-diode panel of optical finger print identification in screen as described in claim 1, which is characterized in that provide this The light emitting diode of directive property light is active organic light-emitting diode, passive organic light-emitting diode, millimeter shine Diode or micro- light emitting diode.
- 8. the light-emitting-diode panel of optical finger print identification in screen as described in claim 1, which is characterized in that provide this The light emitting diode of directive property light, which is arranged at, to be relatively close to or positioned at this display area.
- 9. the light-emitting-diode panel of optical finger print identification in screen as described in claim 1, which is characterized in that the fingerprint receives Region is the whole or regional area of the light guide base plate.
- 10. the light-emitting-diode panel of optical finger print identification in screen as described in claim 1, which is characterized in that the signal is led Enter the form of region and the signal export area for minute surface, prismatic film, grating or optical fiber.
- 11. the light-emitting-diode panel of optical finger print identification in screen as described in claim 1, which is characterized in that the light sensing Element is independent component.
- 12. the light-emitting-diode panel of optical finger print identification in screen as claimed in claim 11, which is characterized in that the light sensing Element is arranged on the lower section of the light guide base plate.
- 13. the light-emitting-diode panel of optical finger print identification in screen as described in claim 1, which is characterized in that the light sensing Element is integrated in the light emitting diode base plate.
- 14. the light-emitting-diode panel of optical finger print identification in screen as claimed in claim 13, which is characterized in that the light sensing Element is a photodiode, is arranged between two adjacent light emitting diodes.
- 15. the light-emitting-diode panel of optical finger print identification in screen as claimed in claim 14, which is characterized in that the photoelectricity two Pole pipe is correspondingly arranged at a lightproof area of the light emitting diode base plate.
- 16. the light-emitting-diode panel of optical finger print identification in screen as described in claim 1, which is characterized in that the leaded light base More at least provided with a polarisation substrate or a protective glass substrate between plate and the light emitting diode base plate.
- 17. the light-emitting-diode panel of optical finger print identification in screen as claimed in claim 16, which is characterized in that the leaded light base At least one of the plate more with the polarisation substrate and the protective glass substrate is integrated into single structure.
- 18. the light-emitting-diode panel of optical finger print identification in screen as described in claim 1, which is characterized in that the leaded light base One signal amplification component is more set between plate and the Photosensing Units, to amplify the optical signalling left from the light guide base plate.
- 19. the light-emitting-diode panel of optical finger print identification in screen as described in claim 1, which is characterized in that the optics is believed Number and the electric signal more by an optical processor to carry out computing and recognize the fingerprint characteristic of the finger.
- 20. the light-emitting-diode panel of optical finger print identification in screen as claimed in claim 19, which is characterized in that at the optics Reason device be more integrated in the light-emitting-diode panel that optical finger print in the screen recognizes a video-stream processor or the optical processor more It is integrated in a touch-control processor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810011396.8A CN108091680B (en) | 2018-01-05 | 2018-01-05 | Light-emitting diode panel for optical fingerprint identification in screen |
| PCT/CN2018/000058 WO2019134062A1 (en) | 2018-01-05 | 2018-01-31 | Light-emitting diode panel for in-screen optical fingerprint recognition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810011396.8A CN108091680B (en) | 2018-01-05 | 2018-01-05 | Light-emitting diode panel for optical fingerprint identification in screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108091680A true CN108091680A (en) | 2018-05-29 |
| CN108091680B CN108091680B (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810011396.8A Active CN108091680B (en) | 2018-01-05 | 2018-01-05 | Light-emitting diode panel for optical fingerprint identification in screen |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108091680B (en) |
| WO (1) | WO2019134062A1 (en) |
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| CN108878488A (en) * | 2018-06-26 | 2018-11-23 | 上海天马有机发光显示技术有限公司 | A kind of production method of display panel and display device and display panel |
| CN108878488B (en) * | 2018-06-26 | 2020-12-04 | 上海天马有机发光显示技术有限公司 | Display panel, display device and manufacturing method of display panel |
| CN109786418A (en) * | 2018-12-26 | 2019-05-21 | 惠科股份有限公司 | Micro- LED display panel and display device |
| CN109786418B (en) * | 2018-12-26 | 2021-06-04 | 惠科股份有限公司 | Micro light-emitting diode display panel and display device |
| CN112084996A (en) * | 2020-09-21 | 2020-12-15 | 上海悠睿光学有限公司 | Fingerprint recognition device under screen and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019134062A1 (en) | 2019-07-11 |
| CN108091680B (en) | 2022-11-08 |
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