CN106324906A - Collimation backlight source, making method thereof and transparent display device - Google Patents
Collimation backlight source, making method thereof and transparent display device Download PDFInfo
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- CN106324906A CN106324906A CN201610810608.XA CN201610810608A CN106324906A CN 106324906 A CN106324906 A CN 106324906A CN 201610810608 A CN201610810608 A CN 201610810608A CN 106324906 A CN106324906 A CN 106324906A
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- organic light
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
Abstract
The invention provides a collimation backlight source used for providing light signals for a display panel. The collimation backlight source comprises a substrate; multiple organic light-emitting units are arranged on the substrate; the collimation backlight source further comprises a shading isolating bush corresponding to each organic light-emitting unit; the side walls of the organic light-emitting units are sleeved with the shading isolating bushes; the height of the shading isolating bushes is larger than the thickness of the organic light-emitting units. The collimation backlight source can achieve high brightness and high transmittance. The invention further provides a making method of the collimation backlight source and a transparent display device.
Description
Technical field
The invention belongs to Display Technique field, be specifically related to a kind of collimated backlight and preparation method thereof, Transparence Display dress
Put.
Background technology
The new application equipment that transparent display (Transparent Display) occurred as recent years, by people
Pay close attention to solicitously, it is as a kind of new Image Communication mode, extends scene and scope, the example of display application greatly
As, being applied in multiple field such as showcase, show window, people are while viewing transparent display object behind, also
Can read the display information in display device, provide ultimate attainment visual experience and sense organ comfort level for people.Transmitance is with aobvious
Show that brightness is the important parameter of transparent display, the effect of its appreciable impact viewing.The structures shape of traditional LC D Transparence Display
The transmitance of its device entirety is on the low side, and double-layered polarizers Pol and colored filter Color filter greatly reduces display
The transmitance that device is overall, the transmitance of traditional LC D transparent display is less than 15%, affects the effect of transparent viewing.
At present, it is proposed that a kind of collimation (D-view) Transparence Display device, it includes that collimated backlight, collimated backlight are
Affect the major reason of transmitance and display brightness, although collimation Transparence Display device has compared traditional LCD Transparence Display
Improve, but, current collimated backlight still can not meet requirement.
Summary of the invention
It is contemplated that at least solve one of technical problem present in prior art, it is proposed that a kind of collimated backlight and
Its preparation method, transparent display.
For solving one of the problems referred to above, the invention provides a kind of collimated backlight, for providing light letter to display floater
Number, including substrate；Described substrate is provided with multiple organic light-emitting units；Corresponding each organic light-emitting units also include shading every
From set；Described shading separation sleeve is nested with the side-wall outer side at described organic light-emitting units, and the height of described shading separation sleeve is more than
The thickness of described organic light-emitting units.
Preferably, the height of described shading separation sleeve is equal to the distance between described substrate and described display floater.
Preferably, the internal perisporium of the latter half of described shading separation sleeve is formed with reflecting layer.
Preferably, described substrate is provided with the first electrode cabling and the second electrode cabling；Described first electrode cabling and
Described second electrode cabling is arranged on different layers and the most overlapping；First electrode and second electrode of described organic light-emitting units divide
It is not connected with described first electrode cabling and described second electrode cabling.
Preferably, it is provided with along described first electrode cabling to walk the transparent auxiliary of line overlap with described first electrode and walk
Line, and the width of described transparent auxiliary cabling is equal to the width being attached thereto described organic light-emitting units；And/or, described second
Electrode wires is provided with walks the transparent auxiliary cabling of line overlap with described second electrode, and the width of described transparent auxiliary cabling is equal to
It is attached thereto the width of described organic light-emitting units.
Preferably, the quantity of described first electrode cabling and described second electrode cabling is multiple；Multiple described first
Electrode cabling be arranged in parallel；Multiple described second electrode cablings be arranged in parallel.
Preferably, described substrate is transparent glass substrate.
The present invention also provides for a kind of transparent display, and including collimated backlight, described collimated backlight uses the present invention
The above-mentioned collimated backlight provided.
The present invention also provides for the preparation method of a kind of collimated backlight, comprises the following steps: provide a substrate；At described base
The shading separation sleeve of the side-wall outer side preparing organic light-emitting units on plate and be nested with at described organic light-emitting units.
Preferably, the described organic light-emitting units and be nested with the sidewall at described organic light-emitting units prepared on the substrate
The step of the shading separation sleeve in outside, including: an assisting base plate is provided；Semiconductor technology based on described assisting base plate is described
Micro-shading isolation of the side-wall outer side forming micro-organic light-emitting units on assisting base plate and be nested with at described micro-organic light-emitting units
Set；Described micro-organic light-emitting units and described micro-shading separation sleeve are transferred on described substrate, respectively as described organic
Light unit and described shading separation sleeve.
Preferably, described assisting base plate is silicon substrate.
Preferably, described micro-organic light-emitting units and described micro-shading separation sleeve are being transferred to the step on described substrate
, also include: prepare the first electrode cabling and the second electrode cabling on the substrate, described first electrode cabling and described before
Second electrode cabling is arranged on different layers and the most overlapping；
Described described micro-organic light-emitting units and described micro-shading separation sleeve are transferred to the step on described substrate, bag
Include:
Described first electrode that described micro-organic light-emitting units and described micro-shading separation sleeve are transferred on described substrate
At the crossover position of cabling and described second electrode cabling, and make the first electrode and second electrode of described micro-organic light-emitting units
It is connected with described first electrode cabling and described second electrode cabling respectively.
The method have the advantages that
In the present invention, it is nested with the side-wall outer side at organic light-emitting units by shading separation sleeve, can be by organic light emission list
Unit sends light and is limited in shading separation sleeve and is transmitted, and so achieves that the light that organic light-emitting units sends linearly passes
Defeated, it is thus possible to improve the utilization rate of light, thus improve the display brightness of collimated backlight, so in the feelings ensureing brightness
Under condition, the organic luminous layer of organic light-emitting units just can use high permeability but the relatively low material of luminous efficiency (such as, Mg and
Ag), therefore, the collimated backlight that the present invention provides can realize high permeability and high brightness.
Accompanying drawing explanation
The structural representation of the collimated backlight that Fig. 1 provides for the embodiment of the present invention 1；
The overall schematic of the collimated backlight that Fig. 2 provides for the embodiment of the present invention 1；
The structural representation of the transparent display that Fig. 3 provides for the embodiment of the present invention 2；
Fig. 4 is the schematic diagram of a sub-pixel of the viewing area shown in Fig. 3；
Fig. 5 is the structural representation of display floater；
Fig. 6 is the structural representation of collimating element；
The flow chart of the preparation method of the collimated backlight that Fig. 7 provides for the embodiment of the present invention 3.
Reference includes: 1 substrate；2 organic light-emitting units；3 shading separation sleeves；4 first electrode cablings；5 second electrodes
Cabling；6 transparent auxiliary cablings；21 first electrodes；22 second electrodes；23 organic luminous layers；24 first connecting lines；25 second connect
Line；Data data wire；Gate grid line；20 liquid crystal prism display units；30 collimating elements；26 first auxiliary layers；27 second auxiliary
Layer.
Detailed description of the invention
For making those skilled in the art be more fully understood that technical scheme, come the present invention below in conjunction with the accompanying drawings
Collimated backlight provided and preparation method thereof, transparent display are described in detail.
Embodiment 1
The structural representation of the collimated backlight that Fig. 1 provides for the embodiment of the present invention 1；Fig. 2 provides for the embodiment of the present invention 1
The overall schematic of collimated backlight；Seeing also Fig. 1 and Fig. 2, the collimated backlight that the embodiment of the present invention provides is used for
Optical signal is provided, including substrate 1 to display floater；Substrate 1 is provided with multiple organic light-emitting units 2；Corresponding each organic
Light unit 2 is provided with shading separation sleeve 3；Shading separation sleeve 3 is nested with the side-wall outer side at organic light-emitting units 2；Shading separation sleeve 3
Height H more than the thickness H1 of organic light-emitting units 2.
In the present invention, it is nested with the side-wall outer side at organic light-emitting units 2 by shading separation sleeve 3, can be by organic light emission
Unit 2 sends light and is limited in shading separation sleeve 3 and is transmitted, and so achieves that light that organic light-emitting units 2 sends is along straight
Line transmits, it is thus possible to improve the utilization rate of light, thus improve the display brightness of collimated backlight, so ensureing brightness
In the case of, the organic luminous layer of organic light-emitting units 2 just can use high permeability but the relatively low material of luminous efficiency (such as,
Mg and Ag), therefore, the collimated backlight that the present invention provides can realize high permeability and high brightness.
Preferably, the height of shading separation sleeve 3 is equal to the distance between described substrate and described display floater, that is, hide
Optically isolated set 3 limits the whole path of the light arrival display floater that organic light-emitting units sends as much as possible, therefore, it is possible to more preferably
Realize the linear transmission of light.
Additionally preferably, the internal perisporium of the latter half of shading separation sleeve 3 is formed with reflecting layer, so can make part
Optical signal carries out linear transmission after reflecting layer is reflected, such that it is able to improve light utilization efficiency.
In the present embodiment, specifically, as in figure 2 it is shown, be provided with the first electrode cabling 4 on substrate 1 and the second electrode is walked
Line 5；First electrode cabling 4 and the second electrode cabling 5 are arranged on different layers and the most overlapping；First electricity of organic light-emitting units 2
Pole is connected with the first electrode cabling 4 and the second electrode cabling 5 respectively with the second electrode.
More specifically, organic light-emitting units 2 includes that first electrode the 21, second electrode 22, organic luminous layer 23, first connect
Line 24 and the second connecting line 25.Wherein, the first electrode 21 and the second electrode 22 be in anode and negative electrode and another, figure
In 2, the first electrode 21 is negative electrode, and the second electrode 22 is anode；Organic luminous layer 23 is positioned at the first electrode 21 and the second electrode 22
Between；It addition, be additionally provided with the first auxiliary layer 26, such as, electron transfer layer between the first electrode 21 and organic luminous layer 23
ETL and electron injecting layer EIL；The second auxiliary layer 27, such as hole it is additionally provided with between the second electrode 22 and organic luminous layer
Transport layer HTL and hole injection layer HIL.
Preferably, the first electrode cabling 4 is provided with the transparent auxiliary cabling 6 overlapping with the first electrode cabling 4, and thoroughly
The width of bright auxiliary cabling 6 is equal to the width being attached thereto organic light-emitting units 2；And/or, the second electrode cabling 5 be provided with
Second electrode walks the transparent auxiliary cabling 6 of line overlap, and the width of transparent auxiliary cabling is equal to being attached thereto organic light-emitting units 2
Width.Specifically, transparent auxiliary cabling 6 is used can either to improve the first electrode cabling 4 and electric conductivity of the first electrode 21, again
Ensure that the high permeability of collimated backlight.
Preferably, the quantity of the first electrode cabling 4 and the second electrode cabling 5 is multiple, and multiple first electrode cablings 4 are flat
Row is arranged；Multiple second electrode cablings 5 be arranged in parallel, as in figure 2 it is shown, in this case, all of organic light-emitting units with
The form arrangement of array.
Furthermore it is preferred that substrate 1 is transparent glass substrate, in the case, the transmitance of this collimated backlight is higher,
Therefore, can be applicable on transparent display.
Embodiment 2
The structural representation of the transparent display that Fig. 3 provides for the embodiment of the present invention 2.Referring to Fig. 3, the present invention implements
The transparent display that example provides includes that collimated backlight 10, collimated backlight 10 use the above embodiment of the present invention 1 to provide
Collimated backlight.
Transparent display also includes display floater, and display floater includes two liquid crystal prism display units 20 and collimator
Part 30.Wherein, each liquid crystal prism display unit 20 includes viewing area and transparent area, and, the viewing area of the two and transparent area
Corresponding, as it is shown on figure 3, liquid crystal prism display unit 20 is driven by active TFT switch mode, by different strips
The gray scale voltage that electrode input is different, thus control the pattern of liquid crystal so that it is the shape of real prism wedge in single pixel region
Looks, realize 2 polarization state directions under the effect of dual-layered liquid crystal prism display unit 20, can be made the deviation of light by prism
People can watch picture on fixed position；The differently-oriented directivity of two of which liquid crystal prism display unit 20 is different, such as, and phase
The most vertical；But the electrode arrangements direction of the two is consistent.
In actual applications, the brightness of display can be improved by improving the aperture opening ratio of viewing area, so that in strong external environment
In the case of light, people are still it can be clearly seen that show content, as shown in Figure 4, for the schematic diagram of a sub-pixel of viewing area；
It addition, the overall transmitance of transparent display can be promoted, to obtain the most transparent viewing by improving the area of transparent area
Effect, the structural representation of display floater as shown in Figure 5, wherein, viewing area is provided around three bright zones, in viewing area
Being provided with multiple sub-pixel, each sub-pixel is connected with data wire Data and grid line Gate.
Referring to Fig. 6, collimating element 30 provides collimation or the optical signal of class collimation for liquid crystal prism display unit 20, accurate
Straight device 30 uses the micro-prism structure of transmitance high (transmitance > 90%), by the microprism of the relevant parameters such as certain curvature
The organic light-emitting units 2 (preferably point source) of collimated backlight is transmitted into the display of display floater by design with direction of collimation
District, it is provided that the backlight of liquid crystal prism display collimation.
The transparent display that the embodiment of the present invention provides, owing to which employs the standard that the above embodiment of the present invention 1 provides
Straight backlight, it is thus possible to improve the display brightness of Transparence Display device and light transmittance.
Embodiment 3
The flow chart of the preparation method of the collimated backlight that Fig. 7 provides for the embodiment of the present invention 3, refers to Fig. 7, the present invention
The preparation method of the collimated backlight that embodiment provides, comprises the following steps:
S1 a, it is provided that substrate.
Specifically, substrate can be but be not limited to glass substrate, it is also possible to for but be not limited to transparency carrier.
S2, prepares organic light-emitting units and the shading isolation of the side-wall outer side being nested with at organic light-emitting units on substrate
Set.
The collimated backlight such as above-described embodiment 1 using the preparation method of the collimated backlight of step S1 and S2 to prepare provides
Collimated backlight, do not repeat them here.
Preferably, the internal perisporium of the latter half of shading separation sleeve 3 is formed with reflecting layer.
Preferably, step S2 includes:
S21 a, it is provided that assisting base plate.
Specifically, assisting base plate can be but be not limited to silicon substrate.
S22, semiconductor technology based on assisting base plate forms micro-organic light-emitting units on assisting base plate and is nested with micro-
Micro-shading separation sleeve of the side-wall outer side of organic light-emitting units；
S23, is transferred to micro-organic light-emitting units and micro-shading separation sleeve on substrate, respectively as organic light-emitting units and
Shading separation sleeve.
It is understood that the semiconductor technology by ripe assisting base plate prepares micro-organic light emission on assisting base plate
Unit and micro-shading separation sleeve, then be transferred to this micro-organic light-emitting units and micro-shading separation sleeve need to make on the substrate of preparation
For need organic light-emitting units and shading separation sleeve, owing to the size of micro-organic light-emitting units and micro-shading separation sleeve is less,
Not only collimation is good, and can improve the transmitance of collimated backlight, so, in the case of ensureing that transmitance meets requirement,
Micro-organic light-emitting units can directly use, without the concern for transmitance problem, material (such as, Ag and Mg that luminous efficiency is higher
Deng), it is thus possible to the enough brightness improving collimated backlight further.
It addition, specifically, (such as, between step S1 and S21) also included before step S23: S12,.In this situation
Under, step S23 is: the described first electrode cabling micro-organic light-emitting units and micro-shading separation sleeve being transferred on substrate and institute
State at the crossover position of the second electrode cabling, and make the first electrode of micro-organic light-emitting units and the second electrode electric with first respectively
Pole cabling and the second electrode cabling are connected.
It is understood that the principle that is intended to be merely illustrative of the present of embodiment of above and the exemplary enforcement that uses
Mode, but the invention is not limited in this.For those skilled in the art, in the essence without departing from the present invention
In the case of god and essence, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (13)
1. a collimated backlight, for providing optical signal to display floater, it is characterised in that include substrate；
Multiple organic light-emitting units it is provided with on described substrate；
Corresponding each organic light-emitting units also includes shading separation sleeve；
Described shading separation sleeve is nested with the side-wall outer side at described organic light-emitting units；
The height of described shading separation sleeve is more than the thickness of described organic light-emitting units.
Collimated backlight the most according to claim 1, it is characterised in that the height of described shading separation sleeve is equal to described base
Distance between plate and described display floater.
Collimated backlight the most according to claim 1, it is characterised in that on the internal perisporium of the latter half of described shading sleeve
It is formed with reflecting layer.
Collimated backlight the most according to claim 1, it is characterised in that be provided with on described substrate the first electrode cabling and
Second electrode cabling；
Described first electrode cabling and described second electrode cabling are arranged on different layers and the most overlapping；
First electrode of described organic light-emitting units and the second electrode respectively with described first electrode cabling and described second electrode
Cabling is connected.
Collimated backlight the most according to claim 4, it is characterised in that be provided with and institute along described first electrode cabling
State the first electrode and walk the transparent auxiliary cabling of line overlap, and the width of described transparent auxiliary cabling is described organic equal to being attached thereto
The width of luminescence unit；And/or
It is provided with along described second electrode cabling and walks the transparent auxiliary cabling of line overlap with described second electrode, and described transparent
The width of auxiliary cabling is equal to the width being attached thereto described organic light-emitting units.
6. the collimated backlight stated according to claim 4, it is characterised in that described first electrode cabling and described second electrode are walked
The quantity of line is multiple；
Multiple described first electrode cablings be arranged in parallel；
Multiple described second electrode cablings be arranged in parallel.
Collimated backlight the most according to claim 1, it is characterised in that described substrate is transparent glass substrate.
8. a transparent display, including collimated backlight, it is characterised in that described collimated backlight uses claim 1-
Collimated backlight described in any one in 7.
9. the preparation method of a collimated backlight, it is characterised in that comprise the following steps:
One substrate is provided；
The shading isolation of the side-wall outer side preparing organic light-emitting units on the substrate and be nested with at described organic light-emitting units
Set.
The preparation method of collimated backlight the most according to claim 9, it is characterised in that described make on the substrate
Standby organic light-emitting units and be nested with the step of shading separation sleeve of side-wall outer side at described organic light-emitting units, including:
One assisting base plate is provided；
Semiconductor technology based on described assisting base plate forms micro-organic light-emitting units on described assisting base plate and is nested with in institute
State micro-shading separation sleeve of the side-wall outer side of micro-organic light-emitting units；
Described micro-organic light-emitting units and described micro-shading separation sleeve are transferred on described substrate, respectively as described organic
Light unit and described shading separation sleeve.
The preparation method of 11. collimated backlight according to claim 10, it is characterised in that described assisting base plate is silica-based
Plate.
The preparation method of 12. collimated backlight according to claim 10, it is characterised in that by described micro-organic light emission
Before unit and described micro-shading separation sleeve are transferred to the step on described substrate, also include:
Prepare the first electrode cabling and the second electrode cabling, described first electrode cabling and described second electrode on the substrate
Cabling is arranged on different layers and the most overlapping；
Described described micro-organic light-emitting units and described micro-shading separation sleeve are transferred to the step on described substrate, including:
The described first electrode cabling that described micro-organic light-emitting units and described micro-shading separation sleeve are transferred on described substrate
At the crossover position of described second electrode cabling, and make the first electrode and the second electrode difference of described micro-organic light-emitting units
It is connected with described first electrode cabling and described second electrode cabling.
The preparation method of 13. collimated backlight according to claim 10, it is characterised in that under described shading separation sleeve
It is formed with reflecting layer on the internal perisporium of half part.
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| CN201610810608.XA CN106324906A (en) | 2016-09-08 | 2016-09-08 | Collimation backlight source, making method thereof and transparent display device |
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| US11354927B2 (en) | 2018-04-24 | 2022-06-07 | Boe Technology Group Co., Ltd. | Fingerprint identification device, display panel and fabrication method thereof, and display device |
| CN114596790A (en) * | 2020-12-02 | 2022-06-07 | 台湾爱司帝科技股份有限公司 | Method for manufacturing display module and related full-screen image display |
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