CN110244823A - Display base plate and display device - Google Patents
Display base plate and display device Download PDFInfo
- Publication number
- CN110244823A CN110244823A CN201910533492.3A CN201910533492A CN110244823A CN 110244823 A CN110244823 A CN 110244823A CN 201910533492 A CN201910533492 A CN 201910533492A CN 110244823 A CN110244823 A CN 110244823A
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- CN
- China
- Prior art keywords
- base plate
- unit
- display base
- sounding
- insulating layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
- G06F1/1605—Multimedia displays, e.g. with integrated or attached speakers, cameras, microphones
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/162—Interface to dedicated audio devices, e.g. audio drivers, interface to CODECs
-
- 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
Abstract
The present invention provides a kind of display base plate and display device, belongs to field of display technology, can at least partly solve the problems, such as that existing display base plate cannot make a sound.Display base plate of the invention includes substrate, further includes the phonation unit and sounding driving unit of setting on the substrate, the sounding driving unit is for driving the phonation unit to make a sound;The display base plate further includes sealing structure, and the sealing structure is for being sealed the phonation unit, and there are gaps between the sealing structure and the phonation unit;The display base plate further includes the upper insulating layer for covering the sealing structure, and the side backwards to the substrate of the upper insulating layer is provided with luminescent device.
Description
Technical field
The invention belongs to field of display technology, and in particular to a kind of display base plate and a kind of display device.
Background technique
The existing scheme that display can be integrated in one with touch-control of existing display base plate, also has and knows display and fingerprint
The scheme not become one.But in the prior art, and no-trump shows the scheme that display base plate is integrated in sounding.
Summary of the invention
The present invention at least partly solves the problems, such as that existing shortage will show the scheme for the structure that is integrated in one with sounding, mentions
For a kind of display base plate and a kind of display device.
Solving technical solution used by present invention problem is a kind of display base plate, including substrate, further includes setting
Phonation unit and sounding driving unit on the substrate, the sounding driving unit is for driving the phonation unit to send out
Sound out;The display base plate further includes sealing structure, and the sealing structure is for being sealed the phonation unit, and institute
State between sealing structure and the phonation unit that there are gaps;The display base plate further include cover the sealing structure it is upper absolutely
Edge layer is provided with luminescent device in the side backwards to the substrate of the upper insulating layer.
It optionally, further include the lower insulating layer that the substrate is set towards the phonation unit side, the sounding list
Member includes that the first electrode terminal and second electrode terminal of the substrate side backwards of the lower insulating layer is arranged in and covers
Cover the vibrating diaphragm of the first electrode terminal and the second electrode terminal;The sounding driving unit is used for described first
Electrode terminal and the second electrode terminal provide driving voltage.
Optionally, the cross sectional shape of the vibrating diaphragm is wave-shaped or trapezoidal wavy.
Optionally, the sealing structure includes horizontal part and support portion, and the support zone is in the edge of the horizontal part
Region is to be supported the horizontal part, and there are gaps between the horizontal part and the phonation unit.
Optionally, the through-hole through the horizontal part is additionally provided on the horizontal part.
Optionally, the sealing structure is also used to close to driving the sounding driving unit of the phonation unit to carry out
Envelope.
It optionally, further include the pixel-driving circuit and covering that the substrate is set towards the phonation unit side
The lower insulating layer of the pixel-driving circuit, the phonation unit and sounding driving unit setting are carried on the back in the lower insulating layer
To the substrate side, the pixel-driving circuit by via hole through the lower insulating layer and the upper insulating layer with it is described
Luminescent device electrical connection.
Solving technical solution used by present invention problem is a kind of display device, including above-mentioned display base plate.
It optionally, further include providing the central processing unit of voice data for the sounding driving unit.
Optionally, the central processing unit is also used to provide display data for the pixel-driving circuit.
Detailed description of the invention
The structural schematic diagram for the display panel that Fig. 1 is participated in constituting by the display base plate of existing embodiment;
Fig. 2 is the detailed structure view of the part-structure of display base plate shown in Fig. 1;
Fig. 3 is a kind of sectional view of vibrating diaphragm of the embodiment of the present invention;
Fig. 4 is the sectional view of another vibrating diaphragm of the embodiment of the present invention;
Fig. 5 is the block diagram of the display device of the embodiment of the present invention;
Wherein, appended drawing reference are as follows: 11, substrate;12, pixel-driving circuit;13, lower insulating layer;14, upper insulating layer;15, have
Machine luminescent layer;16, thin-film encapsulation layer;17, encapsulation cover plate;R, red filter film;G, green filter film;B, blue filter film;2,
Sealing structure;21, through-hole;2a, horizontal part;2b, support portion;3, phonation unit;31a, first electrode terminal;31b, second electrode
Terminal;32, vibrating diaphragm 4, sounding driving unit;5, central processing unit.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, with reference to the accompanying drawing and specific embodiment party
Present invention is further described in detail for formula.
Embodiment 1:
- Fig. 4 referring to Fig.1 further includes being arranged in substrate 11 the present embodiment provides a kind of display base plate, including substrate 11
Phonation unit 3 and sounding driving unit 4, sounding driving unit 4 is for driving phonation unit 3 to make a sound;Display base plate
It further include sealing structure 2, sealing structure 2 is stayed between sealing structure 2 and phonation unit 3 for being sealed to phonation unit 3
It has the gap;Display base plate further includes the upper insulating layer 14 for covering sealing structure 2, in the side backwards to substrate 11 of upper insulating layer 14
It is provided with luminescent device.
The material of substrate 11 is, for example, the substrate of glass 11 or substrate flexible 11 of hard.The scheme of the present embodiment is will
Phonation unit 3 and sounding driving unit 4 are produced in the substrate 11 of display.Wherein, phonation unit 3 can use existing
MEMS technology manufacture, and existing semiconductor technology (e.g. CMOS technology) manufacture specifically can be used in sounding driving unit 4.When
So, the material of substrate 11 is more preferably silicon materials.It is sent out in this way, can be prepared by the material of the technology utilization substrate 11 of etching
Sound unit 3, this makes, and small product size is smaller, resolution ratio is higher.
Luminescent device is, for example, Organic Light Emitting Diode (OLED) or micro- light emitting diode (Micro-LED) etc., is led to
It often include cathode, anode and the luminescent layer between cathode and anode.Luminescent device shown in Fig. 1 is organic light emission two
Pole pipe, wherein illustrating only organic luminous layer 15.In the construction shown in fig. 1, organic luminous layer 15 is flood structure, in Fig. 1
In also show red filter film R, green filter film G, blue filter film B.Each filter coating participates in constituting a sub-pix.
Sealing structure 2 is for being sealed phonation unit 3.Certainly, sealing structure 2 can also further drive sounding
Unit 4 is sealed.According to the current visual angle Fig. 1, space and horizontal direction four of the sealing structure 2 to 3 or more phonation unit
Space on a direction be sealed (phonation unit 3 is produced on lower insulating layer 13, the space below of phonation unit 3 by it is lower absolutely
Edge layer 13 seals).Sealing structure 2 can be totally enclosed structure, be also possible to have through-hole 21 (i.e. as shown in Figure 4
Semi-enclosed structure).Sealing structure 2 realizes the isolation between phonation unit 3 and luminescent device on it.Certainly, photophore
An electrode (e.g. anode) in part needs to be produced on insulating layer 14.
In this way, realizing the purpose for integrating vocal function in display base plate.Meanwhile the structure of the display base plate is simple,
Manufacturing cost is low.
It optionally, further include the lower insulating layer 13 that substrate 11 is set towards 3 side of phonation unit, phonation unit 3 includes
First electrode terminal 31a and second electrode terminal 31b backwards to 11 side of substrate and the covering the of lower insulating layer 13 are set
The vibrating diaphragm 32 of one electrode terminal 31a and second electrode terminal 31b;Sounding driving unit 4 is used for first electrode terminal 31a
Driving voltage is provided with second electrode terminal 31b.
The sounding driving unit 4 of the display base plate can be by distinguishing to first electrode terminal 31a and second electrode terminal 31b
The mode for applying different voltage controls the vibration of vibrating diaphragm 32, and then issues different sound.
Optionally, as shown in Figure 3 and Figure 4, the cross sectional shape of vibrating diaphragm 32 is wave-shaped or trapezoidal wavy.It is arranged such
The sound quality for the sound that vibrating diaphragm 32 can be made to issue is preferable.Certainly, the shape of vibrating diaphragm 32 is also possible to that as shown in Figure 2
Sample is tabular.
Optionally, sealing structure 2 includes horizontal part 2a and support portion 2b, and support portion 2b is located at the fringe region of horizontal part 2a
To be supported to horizontal part 2a, there are gaps between horizontal part 2a and phonation unit 3.Support portion 2b carries out horizontal part 2a
Support, and define the height of horizontal part 2a, so that keeping certain gap between horizontal part 2a and phonation unit 3.To
Be conducive to phonation unit 3 with certain oscillation space, so as to make a sound.
Optionally, the through-hole 21 through horizontal part 2a is additionally provided on horizontal part 2a.Be designed in this way is to be conducive to
Sound is propagated outward by the through-hole 21.
Optionally, sealing structure 2 is also used to be sealed the sounding driving unit 4 of driving phonation unit 3.It is with Fig. 2
Example, support portion 2b limited range includes sounding driving unit 4.Certainly, sounding driving unit 4 can sealing structure 2 it
Outside, the route connected between sounding driving unit 4 and phonation unit 3 can be between support portion 2b and lower insulating layer 13.
It optionally, further include that substrate 11 is set towards the pixel-driving circuit 12 of 3 side of phonation unit and covering picture
The lower insulating layer 13 of plain driving circuit 12, phonation unit 3 and the setting of sounding driving unit 4 are in lower insulating layer 13 backwards to substrate 11 1
Side, pixel-driving circuit 12 through the via hole (not shown) of lower insulating layer 13 and upper insulating layer 14 with luminescent device by being electrically connected
It connects.
I.e. in this embodiment, pixel-driving circuit 12 is made first with semiconductor technology, utilizes MEMS later
Technique makes phonation unit 3.
It should be noted that as the above phonation unit 3, sounding driving unit 4 may each be pixel-driving circuit 12, directly
It connects in the different zones being produced in substrate 11.By taking the material of substrate 11 is silicon as an example, using the technique of etching etc. in substrate
11 partial region makes phonation unit 3, using CMOS technology other regions of substrate 11 make sounding driving unit 4 and
Pixel-driving circuit 12.Need to only meeting in substrate 11, there is enough areas to accommodate phonation unit 3.But for semiconductor technology with
The difference of MEMS technology preferably makes pixel-driving circuit 12 to keep manufacturing process relatively reliable first, then the lower insulation of production
Layer 13, then phonation unit 3 is made on lower insulating layer 13.
Embodiment 2:
Referring to Fig.1 with 5, the present embodiment provides a kind of display devices comprising above-mentioned display base plate.
Specifically, the display device can be Organic Light Emitting Diode (OLED) display panel, micro- light emitting diode (Micro-
LED) display panel, mobile phone, tablet computer, television set, display, laptop, Digital Frame, navigator etc. are any has
The products or components of display function.
Structure shown in Fig. 1 is specially an organic LED display panel, wherein also showing 16 He of thin-film encapsulation layer
Encapsulation cover plate 17.Wherein, thin-film encapsulation layer 16 and encapsulation cover plate 17 can be configured according to the prior art, and this will not be repeated here.
It optionally, further include that the central processing unit 5 of voice data is provided for sounding driving unit 4.That is central processing list
Member 5 provides signal to sounding driving unit 4, to control which type of sound sounding driving unit 4 specifically issues.Certainly, have
It may also contain data storage cell (not shown) in the circuit of body.Data storage cell stores voice data, and mentions
Supply sounding driving unit 4.
Optionally, central processing unit 5 is also used to provide display data for pixel-driving circuit 12.In this way, the display fills
It sets and is not only able to achieve display, but also be able to achieve sounding.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of display base plate, including substrate, which is characterized in that
It further include the phonation unit and sounding driving unit of setting on the substrate, the sounding driving unit is for driving
The phonation unit makes a sound;
The display base plate further includes sealing structure, and the sealing structure is used to be sealed the phonation unit, and described
There are gaps between sealing structure and the phonation unit;
The display base plate further includes the upper insulating layer for covering the sealing structure, in the upper insulating layer backwards to the substrate
Side be provided with luminescent device.
2. display base plate according to claim 1, which is characterized in that further include setting in the substrate towards the sounding
The lower insulating layer of unit side, the phonation unit include be arranged in the lower insulating layer backwards to the substrate side first
The vibrating diaphragm of electrode terminal and second electrode terminal and covering the first electrode terminal and the second electrode terminal;
The sounding driving unit is used to provide driving voltage to the first electrode terminal and the second electrode terminal.
3. display base plate according to claim 2, which is characterized in that the cross sectional shape of the vibrating diaphragm it is wave-shaped or
It is trapezoidal wavy.
4. according to display base plate described in right 1, which is characterized in that the sealing structure includes horizontal part and support portion, described
Support zone in the horizontal part fringe region to be supported to the horizontal part, the horizontal part and the sounding list
There are gaps between member.
5. display base plate according to claim 4, which is characterized in that be additionally provided on the horizontal part through the water
The through-hole in flat portion.
6. display base plate according to claim 1, which is characterized in that the sealing structure is also used to the driving sounding
The sounding driving unit of unit is sealed.
7. display base plate according to claim 1, which is characterized in that further include setting in the substrate towards the sounding
The pixel-driving circuit of unit side and the lower insulating layer of the covering pixel-driving circuit, the phonation unit and the hair
In the lower insulating layer backwards to the substrate side, the pixel-driving circuit passes through through described lower exhausted for sound-driving unit setting
The via hole of edge layer and the upper insulating layer is electrically connected with the luminescent device.
8. a kind of display device, which is characterized in that including display base plate described in -7 any one according to claim 1.
9. display device according to claim 8, which is characterized in that further include providing sound for the sounding driving unit
The central processing unit of data.
10. display device according to claim 9, which is characterized in that the display base plate is according to claim 7
Display base plate, the central processing unit is also used to provide display data for the pixel-driving circuit.
Priority Applications (2)
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CN201910533492.3A CN110244823B (en) | 2019-06-19 | 2019-06-19 | Display substrate and display device |
PCT/CN2020/079937 WO2020253288A1 (en) | 2019-06-19 | 2020-03-18 | Display substrate and display apparatus |
Applications Claiming Priority (1)
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CN201910533492.3A CN110244823B (en) | 2019-06-19 | 2019-06-19 | Display substrate and display device |
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CN110244823A true CN110244823A (en) | 2019-09-17 |
CN110244823B CN110244823B (en) | 2021-09-21 |
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CN201910533492.3A Active CN110244823B (en) | 2019-06-19 | 2019-06-19 | Display substrate and display device |
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WO (1) | WO2020253288A1 (en) |
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Also Published As
Publication number | Publication date |
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WO2020253288A1 (en) | 2020-12-24 |
CN110244823B (en) | 2021-09-21 |
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