CN209373565U - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
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- CN209373565U CN209373565U CN201920282471.4U CN201920282471U CN209373565U CN 209373565 U CN209373565 U CN 209373565U CN 201920282471 U CN201920282471 U CN 201920282471U CN 209373565 U CN209373565 U CN 209373565U
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- underlay substrate
- display panel
- fingerprint identification
- fingerprint recognition
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Abstract
The utility model discloses a kind of display panel and display device, which includes: underlay substrate；It is successively set on first electrode layer, light emitting functional layer and the second electrode lay of the underlay substrate side；Fingerprint recognition layer, the fingerprint recognition layer are overlapped in the upright projection on the underlay substrate with upright projection of the light emitting functional layer on the underlay substrate, and the fingerprint recognition layer includes multiple fingerprint identification modules of array arrangement；The light of the light emitting functional layer transmitting reflexes to the fingerprint identification module via main body is touched to carry out fingerprint recognition.The utility model provides a kind of display panel and display device, is hidden with solving existing display panel fingerprint identification region, the problem for causing fingerprint recognition not convenient enough.
Description
Technical field
The utility model relates to fingerprint identification technology field more particularly to a kind of display panel and display devices.
Background technique
Optical finger print identification is a kind of more mature fingerprint identification technology, for example, attendance recorder, gate inhibition all use be exactly
Optical fingerprint identification technology.Traditional optical fingerprint identification technology have the shortcomings that it is very much, for example, conventional fingerprint module needs solely
Vertical optical system, setting volume is larger, so can not be used in mobile device.
In the display screen of emerging optical fingerprint identification technology master intelligent terminal to be applied, carry out shielding lower fingerprint recognition,
Its optical system for having abandoned conventional fingerprint module borrows the light of display screen as light source, and photosensitive member is arranged under screen
Part perception reflex light.
But the recognizable operating area of fingerprint recognition is limited in the specific hidden area in part, which does not have
Apparent label is unable to quick lock in fingerprint identification region and carries out fingerprint recognition so that user is inconvenient to use.
Utility model content
The utility model embodiment provides a kind of display panel and display device, is known with solving existing display panel fingerprint
Other region hides, the problem for causing fingerprint recognition not convenient enough.
In a first aspect, the utility model embodiment provides a kind of organic light emitting display panel, comprising:
Underlay substrate；
It is successively set on first electrode layer, light emitting functional layer and the second electrode lay of the underlay substrate side；
Fingerprint recognition layer, upright projection of the fingerprint recognition layer on the underlay substrate and the light emitting functional layer exist
Upright projection on the underlay substrate is overlapped, and the fingerprint recognition layer includes multiple fingerprint identification modules of array arrangement；Institute
The light for stating light emitting functional layer transmitting reflexes to the fingerprint identification module via main body is touched to carry out fingerprint recognition.
Optionally, the first electrode layer is non-transparent electrode layer or transparent electrode layer, and the second electrode lay is
Prescribed electrode layer；Side of the second electrode lay far from the underlay substrate is display touch-control side；The fingerprint recognition layer setting
In side of the underlay substrate far from the second electrode lay.
Optionally, pixel circuit layer is provided between the underlay substrate and the first electrode layer；The pixel circuit
Multiple hatch frames, upright projection of the hatch frame on the underlay substrate are provided in layer and the underlay substrate
There are overlapping regions with upright projection of the fingerprint identification module on the underlay substrate；The hatch frame is filled with saturating
Bright film layer.
Optionally, the first electrode layer is transparent electrode layer, and the second electrode lay is transparent electrode layer；The substrate
Side of the substrate far from the second electrode lay is display touch-control side；It is remote that the fingerprint recognition layer is set to the second electrode lay
Side from the underlay substrate.
Optionally, the fingerprint identification module includes photosensitive element；The photosensitive element is used for the touch main body is anti-
The light penetrated is converted to electric signal.
Optionally, the fingerprint identification module is multiplexed with touch control detection module.
Optionally, the display panel further includes coordinate acquiring unit；The coordinate acquiring unit and each fingerprint recognition mould
Block electrical connection judges the position coordinates of the touch point for touching main body for the imaging according to each fingerprint identification module.
Optionally, upright projection of each fingerprint identification module on the underlay substrate covers multiple pixel units in institute
State the upright projection on underlay substrate.
Optionally, the fingerprint identification module is rectangle, circle or triangle.
Second aspect, the utility model embodiment additionally provide a kind of display device, and the display device includes that this is practical
The display panel that novel any embodiment provides.
In the utility model, the side of the underlay substrate of display panel is disposed with first electrode layer, light emitting functional layer
And the second electrode lay, to realize the display function of display panel, and display panel further includes fingerprint recognition layer, fingerprint recognition layer
Upright projection on underlay substrate is overlapped with upright projection of the light emitting functional layer on underlay substrate, and fingerprint recognition layer includes battle array
The fingerprint identification module of arrangement is arranged, the light of light emitting functional layer transmitting, can be via on display screen while being used to show picture
Touch main body reflex to fingerprint identification module so that fingerprint identification module carries out fingerprint recognition, then fingerprint recognition layer can be aobvious
Show that fingerprint recognition is realized in any position in region, that is, realizes the full frame fingerprint recognition of display panel, do not need user in display surface
The searching that local fingerprint identification region is carried out on plate, can quickly carry out fingerprint recognition, be easy to use by users.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of display panel in the prior art；
Fig. 2 is a kind of structural schematic diagram of display panel provided by the embodiment of the utility model；
Fig. 3 is a kind of fingerprint recognition layer plane structure chart provided by the embodiment of the utility model；
Fig. 4 is another fingerprint recognition layer plane structure chart provided by the embodiment of the utility model；
Fig. 5 is the structural schematic diagram of another display panel provided by the embodiment of the utility model；
Fig. 6 is the structural schematic diagram of another display panel provided by the embodiment of the utility model；
Fig. 7 is the structural schematic diagram of another display panel provided by the embodiment of the utility model；
Fig. 8 is a kind of structural schematic diagram of display device provided by the embodiment of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
In the prior art, the recognizable operating area of fingerprint recognition is only defined in regional area, for example, display panel
One jiao of one end or display panel.As shown in Figure 1, Fig. 1 is the structural schematic diagram of display panel in the prior art, display surface
Plate 1 includes be cascading underlay substrate 11, first electrode layer 12, light emitting functional layer 13, the second electrode lay 14 and cover board
Glass 17, fingerprint identification unit 16 are only arranged at one end of underlay substrate 11, then touch main body 2 need display panel 1 this
End carries out fingerprint recognition, because fingerprint identification unit 16 is set to non-displaying side, for a user, can not see that the fingerprint is known
The boundary in other region often exists in fingerprint identification process because will not touch main body 2 is placed on fingerprint identification region,
The problem of fingerprint recognition caused by and fails, user needs repeatedly to carry out fingerprint recognition, cumbersome.
In order to solve the problems, such as that fingerprint identification region is hidden so that fingerprint recognition is cumbersome, the present embodiment realizes a kind of full frame finger
Line identification function can help user quickly to carry out fingerprint recognition, without finding the fingerprint identification region of part, the utility model
Embodiment provides a kind of organic light emitting display panel, comprising:
Underlay substrate；
It is successively set on the first electrode layer, light emitting functional layer and the second electrode lay of underlay substrate side；
Fingerprint recognition layer, upright projection and light emitting functional layer of the fingerprint recognition layer on underlay substrate are on underlay substrate
Upright projection is overlapped, and fingerprint recognition layer includes multiple fingerprint identification modules of array arrangement；The light warp of light emitting functional layer transmitting
Fingerprint identification module is reflexed to carry out fingerprint recognition by touch main body.
In the utility model embodiment, the side of the underlay substrate of display panel is disposed with first electrode layer, shines
Functional layer and the second electrode lay, to realize the display function of display panel, and display panel further includes fingerprint recognition layer, fingerprint
Upright projection of the identification layer on underlay substrate is overlapped with upright projection of the light emitting functional layer on underlay substrate, fingerprint recognition layer
Fingerprint identification module including array arrangement, the light of light emitting functional layer transmitting, can be via aobvious while being used to show picture
Touch main body in display screen reflexes to fingerprint identification module, so that fingerprint identification module carries out fingerprint recognition, then fingerprint recognition layer
Fingerprint recognition can be realized in any position in display area, that is, realize the full frame fingerprint recognition of display panel, do not need user and exist
The searching that local fingerprint identification region is carried out on display panel, can quickly carry out fingerprint recognition, be easy to use by users.
It is the core concept of the utility model above, the following will be combined with the drawings in the embodiments of the present invention, to this reality
It is clearly and completely described with the technical solution in new embodiment.Based on the embodiments of the present invention, this field is general
Without making creative work, every other embodiment obtained belongs to the utility model to logical technical staff
The range of protection.
Fig. 2 is a kind of structural schematic diagram of display panel provided by the embodiment of the utility model, and Fig. 3 is the utility model reality
A kind of fingerprint recognition layer plane structure chart of example offer is provided, as shown in Fig. 2, the side of the underlay substrate 11 of display panel 1, successively
It is provided with first electrode layer 12, light emitting functional layer 13 and the second electrode lay 14, in the embodiment of the present application, display panel 1 shines
Functional layer 13 may include the first auxiliary functional layers, luminous material layer and the second auxiliary functional layers.First auxiliary functional layers are sky
The auxiliary functional layers of cave type, can have multilayered structure, for example including hole injection layer, hole transmission layer and electronic barrier layer.
Second auxiliary functional layers are the auxiliary functional layers of electron type, also can have multilayered structure, may include electron transfer layer, electricity
Sub- implanted layer and hole blocking layer.Under voltage control between first electrode layer 12 and the second electrode lay 14, light emitting functional layer
13 issue visible light, and to perform image display, illustratively, light emitting functional layer 13 issues the light of red blue and green respectively
Line, to carry out the display of color image.
The present embodiment is provided with fingerprint recognition layer 15, upright projection of the fingerprint recognition layer 15 on underlay substrate 11 and shines
Upright projection of the functional layer 13 on underlay substrate 11 is overlapped, and with reference to Fig. 3, fingerprint recognition layer 15 includes the multiple of array arrangement
Fingerprint identification module 151 can carry out fingerprint recognition, i.e. fingerprint recognition then in any position of the display area of display panel 1
Region is entire display area, and user, which touches screen in any position of display area, may be implemented fingerprint identification function, is made
It obtains user's use more to facilitate, enhances the success rate of the fingerprint recognition of display panel 1.
Specifically, light emitting functional layer 13 includes at least one luminescence unit 131, what luminescence unit 131 issued with reference to Fig. 2
Light is reflected by touching main body 2, and passes through the fingerprint of the holetransport between luminescence unit 131 to fingerprint recognition layer 15
On identification module 151.Touch the finger or toe that main body 2 can be people, or the finger tip of animal touches in main body 2
With fingerprint, as shown in Fig. 2, on the surface for touching main body 2 there are raised position, such as raised position a and recessed position,
Such as recessed position b, illustratively, after light exposes to raised position a, the light for reflexing to fingerprint identification module 151 is formed
Dim spot, after light exposes to recessed position b, the light for reflexing to fingerprint identification module 151 forms bright spot, in this way, can be in fingerprint
Clearly fingerprint pattern is formed on identification layer 15.Fingerprint identification module 151 is respectively induced out different telecommunications to bright spot and dim spot
Number, so that display device obtains finger print information, to complete fingerprint identification process.
Optionally, fingerprint identification module 151 may include photosensitive element；Photosensitive element will be for that will touch the light that main body 2 reflects
Line is converted to electric signal.The photosensitive element can be photodiode or photosensitive sensor etc..
Optionally, upright projection of each fingerprint identification module 151 on underlay substrate 11 can cover multiple pixel units
Upright projection on underlay substrate 11.Area of the fingerprint area much larger than the pixel unit on display panel of main body 2 is touched,
Each fingerprint identification module 151 covers multiple pixel units on underlay substrate 11 perpendicular to the projection on underlay substrate 11
Upright projection, illustratively, upright projection of each fingerprint identification module 151 on underlay substrate 11 covers 17*17 picture
Plain unit.The then fingerprint identification module 151 of the settable negligible amounts of fingerprint recognition layer 15, in the premise for guaranteeing full frame fingerprint recognition
Under, save the setup cost of fingerprint identification module 151.Illustratively, the display panel for 6 cun can make 6 cun of fingerprint and know
Other layer 15 is divided into 16*36 region in the lower section of underlay substrate 11, and by fingerprint recognition layer 15, is arranged one in each region
A fingerprint identification module 151, to realize full frame fingerprint recognition.
Optionally, fingerprint identification module 151 is rectangle, circle or triangle.With continued reference to Fig. 3, with pros in Fig. 3
Illustrated for the fingerprint identification module 151 of shape, fingerprint identification module 151 can also be circle, triangle etc., such as Fig. 4 institute
Show, Fig. 4 is another fingerprint recognition layer plane structure chart provided by the embodiment of the utility model, and fingerprint identification module 151 is
It is round.Or fingerprint identification module 151 can also be other regularly or irregularly shapes.
It is the structural schematic diagram of another display panel provided by the embodiment of the utility model, display surface with reference to Fig. 5, Fig. 5
Plate 1 includes top emitting formula display panel and bottom emitting formula display panel, for top emitting formula display panel, optionally, the first electricity
Pole layer 12 can be non-transparent electrode layer or transparent electrode layer, and the second electrode lay 14 is transparent electrode layer；The second electrode lay 14 is remote
Side from underlay substrate 11 is display touch-control side；Fingerprint recognition layer 15 is set to underlay substrate 11 far from the second electrode lay 14
Side.
It is top emitting formula display panel shown in Fig. 5, side of the second electrode lay 14 far from underlay substrate 11 is display
Touch-control side touches main body 2 and is touched in display touch-control side.Side of the second electrode lay 14 far from underlay substrate 11 is also settable
There is cover-plate glass 17, polaroid 18 and thin-film encapsulation layer 19 can also be set between cover-plate glass 17 and the second electrode lay 14
Deng, then the second electrode lay 14 is transparent electrode layer, it appears convenient for the light that light emitting functional layer 13 issues to display touch-control side, and the
One electrode layer 12 includes muti-piece anode, is provided with gap between anode, then the light reflected by touch main body 2 can be by above-mentioned gap
It is transmitted to fingerprint identification module 151, then first electrode layer 12 can be transparent electrode layer, or non-transparent electrode layer, no
It can stop to touch the light that main body 2 reflects completely.Transparent electrode layer can be the material of tin indium oxide, and non-transparent electrode layer can be with
For metal material.
It optionally, is the structural schematic diagram of another display panel provided by the embodiment of the utility model with reference to Fig. 6, Fig. 6,
Pixel circuit layer 111 is provided between underlay substrate 11 and first electrode layer 12；In pixel circuit layer 111 and underlay substrate 11
It may be provided with multiple hatch frames 112, upright projection of the hatch frame 112 on underlay substrate 11 and fingerprint identification module 151
There are overlapping regions for upright projection on underlay substrate 11；Hatch frame 112 is filled with transparent film layer.
Pixel circuit layer 111 is formed by plurality of conductive layers and multilayer dielectric layer, has certain barrier effect to light,
In addition, the thickness of underlay substrate 11 is larger, it may have the effect of blocking of certain light, in order to make to touch the light of the reflection of main body 2
It can precisely be identified by fingerprint identification module 151, then form multiple opening knots through pixel circuit layer 111 and underlay substrate 11
Structure 112, and transparent film layer can be inserted in hatch frame, to enhance the intensity of display panel 1.Preferably, hatch frame 112
The quantity that quantity is less than the fingerprint identification module 151 is set.
It optionally, is the structural schematic diagram of another display panel provided by the embodiment of the utility model with reference to Fig. 7, Fig. 7,
First electrode layer 12 can be transparent electrode layer, and the second electrode lay 14 is transparent electrode layer；Underlay substrate 11 is far from the second electrode lay
14 side is display touch-control side；Fingerprint recognition layer 15 is set to side of the second electrode lay 14 far from underlay substrate 11.
It is bottom emitting formula display panel shown in Fig. 7, side of the underlay substrate 11 far from the second electrode lay 14 is display
Touch-control side touches main body 2 and is touched in display touch-control side, then polaroid 18 can be set to underlay substrate 11 far from the second electricity
Cover-plate glass 17 is set to side of the polaroid 18 far from underlay substrate 11 by the side of pole layer 14, and fingerprint recognition layer 15 is arranged
In side of the second electrode lay 14 far from underlay substrate 11, so that fingerprint recognition layer 15 does not influence to show the light that goes out of touch-control side, originally
In embodiment, the second electrode lay 14 is provided with thin-film encapsulation layer 19 far from the side of underlay substrate 11, and fingerprint recognition layer 15 is arranged
In side of the thin-film encapsulation layer 19 far from underlay substrate 11.In order to increase display transparent rate, first electrode layer 12 is transparent electrode
Layer can be transmitted to fingerprint recognition mould through the second electrode lay 14 and thin-film encapsulation layer 19 to touch the light of the reflection of main body 2
The second electrode lay 14 is set transparent electrode layer by block 151.
Optionally, fingerprint identification module 151 is multiplexed with touch control detection module.
Optionally, display panel further include: coordinate acquiring unit；151 electricity of coordinate acquiring unit and each fingerprint identification module
Connection touches the position coordinates of the touch point of main body for the imaging judgement according to each fingerprint identification module 151.
Capacitance touching control technology in compared with the existing technology, the utility model embodiment answer fingerprint identification module 151
With for touch control detection module, optical touch control is realized, fingerprint recognition layer 15 is in the same size with the viewing area of display panel 1, can
The position coordinates of the fingerprint image and each fingerprint identification module 151 that are obtained by fingerprint identification module 151, to position of touch
It is positioned.This implementation combines optical sensor and software algorithm, positions to position of touch, realizes touch function, is then not required to
Capacitance touching control electrode layer is set, to save the thickness of display panel 1, reduces the production cost of display panel 1, simplifies display
The structure of panel 1.
When needing to carry out fingerprint recognition, the controller control fingerprint identification module 151 of display panel 1 carries out fingerprint knowledge
Not, to carry out subsequent unlock or delivery operation, when needing to carry out touch control operation, controller controls each fingerprint identification module 151
Fingerprint imaging information is sent to coordinate acquiring unit, so that position of the coordinate acquiring unit according to each fingerprint identification module 151
Coordinate obtains the position coordinates of position of touch, to trigger to control corresponding with the position of touch in display interface.
The utility model embodiment also provides a kind of display device.Fig. 8 is provided by the embodiment of the utility model a kind of aobvious
The structural schematic diagram of showing device, as shown in figure 8, display device provided by the embodiment of the utility model includes that the utility model is any
Display panel 1 described in embodiment.Display device can be mobile phone as shown in Figure 8, or computer, television set, intelligence
Energy wearable device etc., the present embodiment is not particularly limited this.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (10)
1. a kind of display panel characterized by comprising
Underlay substrate；
It is successively set on first electrode layer, light emitting functional layer and the second electrode lay of the underlay substrate side；
Fingerprint recognition layer, upright projection of the fingerprint recognition layer on the underlay substrate is with the light emitting functional layer described
Upright projection on underlay substrate is overlapped, and the fingerprint recognition layer includes multiple fingerprint identification modules of array arrangement；The hair
The light of light functional layer transmitting reflexes to the fingerprint identification module via main body is touched to carry out fingerprint recognition.
2. display panel according to claim 1, which is characterized in that
The first electrode layer is non-transparent electrode layer or transparent electrode layer, and the second electrode lay is transparent electrode layer；Institute
Side of the second electrode lay far from the underlay substrate is stated as display touch-control side；
The fingerprint recognition layer is set to side of the underlay substrate far from the second electrode lay.
3. display panel according to claim 2, which is characterized in that between the underlay substrate and the first electrode layer
It is provided with pixel circuit layer；
Multiple hatch frames are provided in the pixel circuit layer and the underlay substrate, the hatch frame is in the substrate
There are overlapping regions with upright projection of the fingerprint identification module on the underlay substrate for upright projection on substrate；
The hatch frame is filled with transparent film layer.
4. display panel according to claim 1, which is characterized in that the first electrode layer is transparent electrode layer, described
The second electrode lay is transparent electrode layer；Side of the underlay substrate far from the second electrode lay is display touch-control side；
The fingerprint recognition layer is set to side of the second electrode lay far from the underlay substrate.
5. display panel according to claim 1, which is characterized in that the fingerprint identification module includes photosensitive element；Institute
Photosensitive element is stated for the light of the touch main body reflection to be converted to electric signal.
6. display panel according to claim 1, which is characterized in that the fingerprint identification module is multiplexed with touch control detection mould
Block.
7. display panel according to claim 6, which is characterized in that further include: coordinate acquiring unit；The coordinate obtains
Unit is electrically connected with each fingerprint identification module, judges the touch-control for touching main body for the imaging according to each fingerprint identification module
The position coordinates of point.
8. display panel according to claim 1, which is characterized in that
Upright projection of each fingerprint identification module on the underlay substrate covers multiple pixel units in the underlay substrate
On upright projection.
9. display panel according to claim 1, which is characterized in that the fingerprint identification module be rectangle, circle or
Triangle.
10. a kind of display device, which is characterized in that including the described in any item display panels of the claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920282471.4U CN209373565U (en) | 2019-03-06 | 2019-03-06 | A kind of display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920282471.4U CN209373565U (en) | 2019-03-06 | 2019-03-06 | A kind of display panel and display device |
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| CN209373565U true CN209373565U (en) | 2019-09-10 |
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| CN201920282471.4U Active CN209373565U (en) | 2019-03-06 | 2019-03-06 | A kind of display panel and display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111145644A (en) * | 2019-12-17 | 2020-05-12 | 深圳市华星光电半导体显示技术有限公司 | Display panel manufacturing method and display panel |
| CN112069935A (en) * | 2020-08-21 | 2020-12-11 | 昆山国显光电有限公司 | Display panel, display device and manufacturing method of display panel |
| US11127934B2 (en) | 2019-12-17 | 2021-09-21 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Manufacturing method of display panel and display panel |
-
2019
- 2019-03-06 CN CN201920282471.4U patent/CN209373565U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111145644A (en) * | 2019-12-17 | 2020-05-12 | 深圳市华星光电半导体显示技术有限公司 | Display panel manufacturing method and display panel |
| US11127934B2 (en) | 2019-12-17 | 2021-09-21 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Manufacturing method of display panel and display panel |
| CN112069935A (en) * | 2020-08-21 | 2020-12-11 | 昆山国显光电有限公司 | Display panel, display device and manufacturing method of display panel |
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Address after: 201506 No. nine, No. 1568 engineering road, Shanghai, Jinshan District Patentee after: Shanghai Hehui optoelectronic Co., Ltd Address before: 201506 No. nine, No. 1568 engineering road, Shanghai, Jinshan District Patentee before: EverDisplay Optronics (Shanghai) Ltd. |
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