CN108336121B - OLED pressure touch display device and manufacturing method thereof - Google Patents
OLED pressure touch display device and manufacturing method thereof Download PDFInfo
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- CN108336121B CN108336121B CN201810286228.XA CN201810286228A CN108336121B CN 108336121 B CN108336121 B CN 108336121B CN 201810286228 A CN201810286228 A CN 201810286228A CN 108336121 B CN108336121 B CN 108336121B
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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
- H10K59/40—OLEDs integrated with touch screens
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- 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
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- 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
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
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Abstract
The invention discloses an OLED pressure touch display device and a manufacturing method thereof, relates to the technical field of display, and aims to realize the combination of a pressure touch component and an OLED display device and realize the pressure touch function of the OLED display device. The OLED pressure touch display device comprises an OLED display panel and a protective cover plate of the pairing box, wherein a first electrode layer is arranged on the OLED display panel, and a second electrode layer opposite to the first electrode layer is arranged on the protective cover plate; a spacer is arranged between the OLED display panel and the protection cover plate, and the spacer keeps a gap between the protection cover plate and the OLED display panel. The first electrode, the second electrode layer and the gap between the OLED display panel and the protective cover plate jointly form a pressure touch control assembly, so that the pressure touch control assembly is combined into the OLED display device, the pressure touch control assembly is combined with the OLED display device, and the pressure touch control function of the OLED display device is realized.
Description
Technical Field
The invention relates to the technical field of display, in particular to an OLED pressure touch display device and a manufacturing method thereof.
Background
The pressure touch display device is increasingly applied to the display technical field of various industries, and when a user touches and presses a touch area of the pressure touch display device, a touch chip in the pressure touch display device senses the pressure of the touch area pressed by touch, so that the content displayed by the pressure touch display device is controlled, and the user can realize human-computer interaction only by touching and pressing the touch area.
For example, when a touch area of the pressure touch display device is touched and pressed, the gap between the metal reflector and the metal back plate changes along with the change of pressure, so as to sense the magnitude of the pressure pressed by the touch, and control the content displayed by the pressure touch display device is realized.
With the rapid development of the display technology field, the OLED (Organic Light-Emitting Diode) display device has received much attention because it has the advantages of self-luminescence, rich colors, fast response speed, wide viewing angle, Light weight, thin thickness, low power consumption, and flexible display. However, since the OLED display device has the advantage of self-light emission, the pressure touch device cannot be combined to the OLED display device in the above manner because the OLED display device does not need to be additionally provided with a backlight module.
Disclosure of Invention
The invention aims to provide an OLED pressure touch display device, which is used for realizing the combination of a pressure touch component and the OLED display device and realizing the pressure touch function of the OLED display device.
In order to achieve the above purpose, the invention provides the following technical scheme:
an OLED pressure touch display device comprises an OLED display panel and a protective cover plate, wherein the OLED display panel and the protective cover plate are arranged on a box, a first electrode layer is arranged on the OLED display panel, and a second electrode layer opposite to the first electrode layer is arranged on the protective cover plate; the OLED display panel with be provided with the shock insulator between the protection apron, the shock insulator makes protection apron with keep the clearance between the OLED display panel.
Optionally, the spacer is located on a surface of the OLED display panel facing the protection cover plate, or the spacer is located on a surface of the protection cover plate facing the OLED display panel.
Optionally, the number of the spacers is multiple, and the spacers are uniformly distributed between the OLED display panel and the protective cover plate;
the orthographic projection of the spacer on the OLED display panel falls into the crossing area of the grid line and the data line in the OLED display panel.
Optionally, the material of the spacer is transparent resin.
Optionally, the OLED display panel includes a substrate base plate and an OLED device located in an area, corresponding to a display area of the OLED display panel, on the substrate base plate, and the OLED device is located between the substrate base plate and the protection cover plate; the first electrode layer is positioned on the surface, facing away from the OLED device, of the substrate base plate;
the second electrode layer is located on the surface, facing the OLED display panel, of the protective cover plate.
Optionally, the material of the first electrode layer and the material of the second electrode layer are both conductive metal oxides.
Optionally, the protection cover plate and the OLED display panel are connected in a box-to-box manner through frame sealing glue, and the frame sealing glue surrounds the display area of the OLED display panel.
Optionally, the first electrode layer is grounded;
the OLED pressure touch display device further comprises a touch driving chip, and the touch driving chip is connected with the second electrode layer.
In the OLED pressure touch display device provided by the invention, the first electrode layer is arranged on the OLED display panel, the second electrode layer is arranged on the protective cover plate, and the spacer is arranged between the OLED display panel and the protective cover plate of the opposite box, so that a gap is kept between the OLED display panel and the protective cover plate, and a gap is formed between the first electrode layer and the second electrode layer. Therefore, in the invention, the first electrode, the second electrode layer and the gap between the OLED display panel and the protective cover plate together form the pressure touch control assembly, so that the pressure touch control assembly is combined into the OLED display device, the pressure touch control assembly is combined with the OLED display device, and the pressure touch control function of the OLED display device is realized.
The invention aims to provide a manufacturing method of an OLED pressure touch display device, which is used for realizing the combination of a pressure touch component and the OLED display device and realizing the pressure touch function of the OLED display device.
In order to achieve the above purpose, the invention provides the following technical scheme:
a manufacturing method of the OLED pressure touch display device according to the technical scheme comprises the following steps:
forming an OLED display panel;
forming a first electrode layer on the OLED display panel;
forming a protective cover plate;
forming a second electrode layer on the protective cover plate;
forming a spacer;
aligning the protection cover plate with the OLED display panel; wherein the first electrode layer is opposite to the second electrode layer; the shock insulator is positioned between the OLED display panel and the protection cover plate, so that a gap is kept between the protection cover plate and the OLED display panel.
Optionally, the aligning the protection cover plate and the OLED display panel includes:
placing the OLED display panel in a chamber in a vacuum box-aligning device, with the OLED devices of the OLED display panel positioned above;
coating frame sealing glue on a substrate of the OLED display panel, wherein the frame sealing glue surrounds a display area of the OLED display panel;
and placing the protection cover plate above the OLED display panel, vacuumizing a cavity in the vacuum box aligning equipment, and aligning the protection cover plate with the OLED display panel to enable the protection cover plate to be aligned with the OLED display panel.
The manufacturing method of the OLED pressure touch display device has the same advantages as the OLED pressure touch display device in comparison with the prior art, and is not repeated herein.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of an OLED pressure touch display device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram ii of an OLED pressure touch display device according to an embodiment of the present invention;
fig. 3 is a flowchart of a method for manufacturing an OLED pressure touch display device according to an embodiment of the present invention;
fig. 4 is a flowchart of step S6 in fig. 3.
Reference numerals:
10-OLED display panel, 11-substrate base plate,
12-an OLED device, 13-a first electrode layer,
14-display driving chip, 15-first flexible circuit board,
20-a protective cover plate, 21-a second electrode layer,
22-a second flexible circuit board, 30-a spacer,
40-frame sealing glue.
Detailed Description
In order to further explain the OLED pressure touch display device provided by the embodiment of the invention, the following detailed description is made with reference to the accompanying drawings.
Referring to fig. 1, an OLED pressure touch display device provided in an embodiment of the present invention includes an OLED display panel and a protection cover plate of a pair of cases, wherein the OLED display panel is provided with a first electrode layer, and the protection cover plate is provided with a second electrode layer opposite to the first electrode layer; a spacer is arranged between the OLED display panel and the protection cover plate, and the spacer keeps a gap between the protection cover plate and the OLED display panel.
For example, referring to fig. 1, the OLED pressure touch display device provided in the embodiment of the present invention includes an OLED display panel and a protection cover plate, the OLED display panel and the protection cover plate form the OLED pressure touch display device in a box-to-box manner, the OLED display panel is provided with a first electrode layer, the protection cover plate is provided with a second electrode layer, the first electrode layer is opposite to the second electrode layer, a spacer is further provided between the OLED display panel and the protection cover plate, and the spacer keeps a gap between the protection cover plate and the OLED display panel, so that a gap is also provided between the first electrode layer and the second electrode layer, and the first electrode layer, the second electrode layer, and the gap between the OLED display panel and the protection cover plate form a pressure touch assembly together. The OLED display panel is also provided with a display driving chip and a first flexible circuit board, and the first flexible circuit board provides power and display signals for the display driving chip to realize the display function of the OLED display panel; when the OLED pressure touch display device provided in the above embodiments is not pressed, the capacitance C is maintained between the first electrode layer and the second electrode layer, when the OLED pressure touch display device provided in the above embodiments is pressed, the gap between the OLED display panel and the protective cover plate is reduced by the pressing force, the distance between the first electrode layer and the second electrode layer is also reduced by the pressing force, when the distance d between the first electrode layer and the second electrode layer is changed according to C ═ es/d, when the dielectric constant epsilon of the medium between the first electrode layer and the second electrode layer and the area S opposite to the first electrode layer and the second electrode layer are not changed, the capacitance between the first electrode layer and the second electrode layer is changed, when the capacitance change between the first electrode layer and the second electrode layer is sensed, pressure touch can be determined.
As can be seen from the above, in the OLED pressure touch display device provided in the embodiments of the present invention, the first electrode layer is disposed on the OLED display panel, the second electrode layer is disposed on the protective cover plate, and the spacer is disposed between the OLED display panel and the protective cover plate of the facing box, so that a gap is maintained between the OLED display panel and the protective cover plate, and thus a gap is formed between the first electrode layer and the second electrode layer. Therefore, in the embodiment of the invention, the first electrode, the second electrode layer and the gap between the OLED display panel and the protective cover plate together form the pressure touch control assembly, so that the pressure touch control assembly is combined into the OLED display device, the pressure touch control assembly is combined with the OLED display device, and the pressure touch control function of the OLED display device is realized.
In addition, compared with the prior art in which the pressure touch control assembly is combined into the backlight module of the liquid crystal display device, in the embodiment of the invention, the gap between the OLED display panel and the protective cover plate is not affected by assembly factors, the control is easy, the yield is high, meanwhile, the gap between the OLED display panel and the protective cover plate is more accurate, and the gap between the OLED display panel and the protective cover plate is closer to the pressing point in the direction perpendicular to the OLED pressure touch control display device, so that the pressure touch control function of the OLED pressure touch control display device provided by the embodiment of the invention is more sensitive.
In the above embodiments, the spacers are disposed between the OLED display panel and the protection cover plate, and the spacers may be formed on the OLED display panel or the protection cover plate, for example, referring to fig. 1, when the spacers are formed on the OLED display panel, the spacers are located on a surface of the OLED display panel facing the protection cover plate, that is, the spacers are located on an upper surface of the OLED display panel in fig. 1; alternatively, when the spacers are formed on the protective cover plate, the spacers are located on the surface of the protective cover plate facing the OLED display panel, i.e., the spacers are located on the lower surface of the protective cover plate in fig. 1; alternatively, when the number of the spacers is plural, a portion of the spacers may be formed on the OLED display panel, and the remaining portion of the spacers may be formed on the protective cover plate.
In the above embodiment, the number of the spacers may be set according to actual requirements, for example, the number of the spacers may be one, or may be multiple. The arrangement density of the spacers between the OLED display panel and the protective cover plate can be set according to the actual size of the OLED display panel.
In the above embodiment, when the spacer is disposed between the OLED display panel and the protective cover plate, the position of the spacer may be set according to actual requirements, in the embodiment of the present invention, referring to fig. 2, an orthographic projection of the spacer on the OLED display panel falls into a crossing region between the gate line and the data line in the OLED display panel, or it may be understood that the orthographic projection of the spacer on the OLED display panel falls into a crossing region between four adjacent OLED pixels.
In the embodiment of the invention, the material of the spacer is preferably a transparent material, for example, the material of the spacer may be a transparent resin, so as to prevent the material of the spacer from reflecting light and causing adverse effects on the display quality of the OLED pressure touch display device.
In the above embodiments, the OLED display panel may be a top-emitting OLED display panel, a bottom-emitting OLED display panel, or a double-sided OLED display panel, and specifically, the OLED display panel is taken as a top-emitting OLED display panel for illustration, please refer to fig. 1, the OLED display panel is a top-emitting OLED display panel, the OLED display panel includes a substrate and an OLED device located in an area corresponding to a display area of the OLED display panel on the substrate, the OLED device is located between the substrate and a protective cover plate, light emitted by the OLED device is emitted out of the OLED pressure touch display device along an upward direction in fig. 1 to realize display of the OLED pressure touch display device, at this time, the first electrode layer may be formed on a surface of the OLED device facing away from the substrate, or on a surface of the substrate facing away from the OLED device, in an embodiment of the present invention, please refer to fig. 1, the first electrode layer is preferably formed on the surface of the substrate base plate, which faces away from the OLED device, that is, the first electrode layer is preferably formed on the lower surface of the substrate base plate in fig. 1, and compared with the first electrode layer formed on the surface of the OLED device, which faces away from the substrate base plate, the film layer through which light emitted by the OLED device passes before exiting out of the OLED pressure touch display device can be reduced, and light loss is reduced; in the embodiment of the present invention, referring to fig. 1, the second electrode layer is preferably formed on the surface of the protective cover plate facing the OLED display panel, that is, the second electrode layer may be formed on the lower surface of the protective cover plate in fig. 1, so that the second electrode layer may be protected by the protective cover plate, and it should be noted that when the second electrode layer is formed on the surface of the protective cover plate facing the OLED display panel, and the spacer is located on the second electrode layer when the spacer is formed on the protective cover plate.
In the above-described embodiments, the material of the first electrode layer and the material of the second electrode layer may be selected according to the actual, for example, the material of the first electrode layer and the material of the second electrode layer may be determined according to the type of the OLED display panel and the formation positions of the first electrode layer and the second electrode layer.
For example, assuming that the OLED display panel is a top-emitting OLED display panel, referring to fig. 1, the second electrode layer is disposed on the protective cover plate, and the material of the second electrode layer must be a transparent material to prevent the second electrode layer from blocking light, and at this time, the material of the second electrode layer is preferably a conductive metal Oxide, such as Indium Tin Oxide (ITO), Indium Gallium Zinc Oxide (IGZO), and the like. The material of the first electrode layer needs to be selected according to the arrangement position of the first electrode layer, and when the first electrode layer is located on the surface of the OLED device facing away from the substrate, that is, when the first electrode layer is located on the upper surface of the OLED display panel in fig. 1, the material of the first electrode layer needs to be a transparent material to prevent the first electrode layer from blocking light, at this time, the material of the first electrode layer is preferably a conductive metal Oxide, such as Indium Tin Oxide (ITO), Indium Gallium Zinc Oxide (IGZO), and the like; when the first electrode layer is located on a surface of the substrate base plate facing away from the OLED device, that is, the first electrode layer is located on a lower surface of the substrate base plate in fig. 1, a material of the first electrode layer may be a transparent material or a non-transparent material, for example, a material of the first electrode layer may be a metal, a conductive metal oxide, or the like.
In the embodiment of the invention, the material of the first electrode layer and the material of the second electrode layer are preferably conductive metal oxides, so that the manufacturing process of the OLED pressure touch display device is simplified, and the manufacturing difficulty of the OLED pressure touch display device is reduced.
With reference to fig. 1, in the embodiment of the present invention, when the protection cover plate and the OLED display panel are aligned, the alignment may be performed by using a frame sealing adhesive, wherein the frame sealing adhesive surrounds the display area of the OLED display panel, and when the protection cover plate and the OLED display panel are aligned, the alignment is preferably performed in a vacuum aligning apparatus, specifically, the OLED display panel may be first placed in a cavity of the vacuum aligning apparatus, then the frame sealing adhesive surrounding the display area of the OLED display panel is coated on a substrate of the OLED display panel, then the protection cover plate is placed above the OLED display panel, a vacuum is drawn from the cavity of the vacuum aligning apparatus, the protection cover plate is aligned with the OLED display panel, and the protection cover plate and the OLED display panel are aligned, so that a vacuum state is formed between the protection cover plate and the OLED display panel, and the air between the protection cover plate and the OLED display panel is prevented from eroding the OLED devices in the OLED display panel, the service life of the OLED pressure touch display device is prolonged, and meanwhile, impurities possibly existing on the protection cover plate or/and the OLED display panel can be extracted when vacuum is extracted, so that the phenomenon that the image display quality of the OLED pressure touch display device is reduced due to the existence of the impurities is prevented.
In the above embodiments, in order to implement the pressure touch function of the OLED pressure touch display device, a voltage difference needs to be maintained between the first electrode layer and the second electrode layer, so that a capacitance is maintained between the first electrode layer and the second electrode layer, in practical applications, the first electrode layer may be used as a reference electrode layer, a fixed potential is applied to the first electrode layer, or the first electrode layer is grounded, the second electrode layer may be used as a sensing electrode layer, the second electrode layer is connected to a touch driving chip, the touch driving chip is connected to an external power source through a second flexible circuit board, an initial potential is applied to the second electrode layer, and a capacitance is maintained between the second electrode layer and the first electrode layer. When the OLED pressure touch display device is not pressed, the electric potential of the first electrode layer is a fixed electric potential, the fixed electric potential can be 0V, the electric potential of the second electrode layer is an initial electric potential, a capacitor C is kept between the first electrode layer and the second electrode layer, when the OLED pressure touch display device is pressed, the distance between the first electrode layer and the second electrode layer changes, the capacitor between the first electrode layer and the second electrode layer changes, the touch driving chip can sense the change of the capacitor between the first electrode layer and the second electrode layer, the occurrence of pressure touch is determined, and the pressure touch function of the OLED pressure touch display device is achieved.
Referring to fig. 3, an embodiment of the present invention further provides a manufacturing method of an OLED pressure touch display device, for manufacturing the OLED pressure touch display device according to the above embodiment, the manufacturing method includes:
and step S1, forming the OLED display panel.
Specifically, a substrate is provided, and then an OLED device is formed in an area of the substrate corresponding to a display area of the OLED display panel.
Step S2, forming a first electrode layer on the OLED display panel.
Specifically, the first electrode layer is formed on the surface of the substrate base plate facing away from the OLED device, or the first electrode layer is formed on the surface of the OLED device facing away from the substrate base plate.
And step S3, forming a protective cover plate.
Step S4 is to form a second electrode layer on the protective cover.
And step S5, forming the spacer.
Specifically, the spacers may be formed on the OLED display panel, or the spacers may be formed on the protective cover plate, or when there are a plurality of spacers, a part of the spacers may be formed on the OLED display panel, and the remaining part of the spacers may be formed on the protective cover plate.
Step S6, the protection cover plate and the OLED display panel are paired; wherein the first electrode layer is opposite to the second electrode layer; the shock insulator is positioned between the OLED display panel and the protection cover plate, so that a gap is kept between the protection cover plate and the OLED display panel.
The manufacturing method of the OLED pressure touch display device has the same advantages as the OLED pressure touch display device in comparison with the prior art, and is not repeated herein.
Referring to fig. 4, the step S6 of aligning the protection cover plate with the OLED display panel may include:
and step S61, placing the OLED display panel in a cavity in the vacuum box aligning device, wherein the OLED device of the OLED display panel is positioned above the cavity.
Step S62, coating a sealant on the substrate of the OLED display panel, where the sealant surrounds the display area of the OLED display panel.
And S63, placing the protection cover plate above the OLED display panel, vacuumizing a cavity in the vacuum box aligning equipment, aligning the protection cover plate with the OLED display panel, and aligning the protection cover plate with the OLED display panel.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (7)
1. The OLED pressure touch display device is characterized by comprising an OLED display panel and a protective cover plate, wherein the OLED display panel and the protective cover plate are arranged on a box, a first electrode layer is arranged on the OLED display panel, and a second electrode layer opposite to the first electrode layer is arranged on the protective cover plate; wherein the material of the first electrode layer and the material of the second electrode layer are both conductive metal oxides;
a spacer is arranged between the OLED display panel and the protection cover plate, and a gap is kept between the protection cover plate and the OLED display panel through the spacer;
the isolation pad is positioned on the surface of the OLED display panel facing the protection cover plate, or the isolation pad is positioned on the surface of the protection cover plate facing the OLED display panel;
the orthographic projection of the spacer on the OLED display panel falls into a crossing area of a grid line and a data line in the OLED display panel;
the OLED display panel comprises a substrate base plate and an OLED device located in an area, corresponding to a display area of the OLED display panel, of the substrate base plate, wherein the OLED device is located between the substrate base plate and the protection cover plate; the first electrode layer is positioned on the surface, facing away from the OLED device, of the substrate base plate;
the second electrode layer is located on the surface, facing the OLED display panel, of the protective cover plate.
2. The OLED pressure touch display device according to claim 1, wherein the number of the spacers is plural, and the plural spacers are uniformly distributed between the OLED display panel and the protective cover plate.
3. The OLED pressure touch display device according to claim 1, wherein the material of the spacer is a transparent resin.
4. The OLED pressure touch display device according to claim 1, wherein the protective cover plate and the OLED display panel are connected to each other through a frame sealing adhesive, and the frame sealing adhesive surrounds a display area of the OLED display panel.
5. The OLED pressure touch display device of claim 1, wherein the first electrode layer is grounded;
the OLED pressure touch display device further comprises a touch driving chip, and the touch driving chip is connected with the second electrode layer.
6. The method for manufacturing the OLED pressure touch display device as claimed in any one of claims 1 to 5, comprising:
forming an OLED display panel;
forming a first electrode layer on the OLED display panel;
forming a protective cover plate;
forming a second electrode layer on the protective cover plate;
forming a spacer;
aligning the protection cover plate with the OLED display panel; wherein the first electrode layer is opposite to the second electrode layer; the shock insulator is positioned between the OLED display panel and the protection cover plate, so that a gap is kept between the protection cover plate and the OLED display panel.
7. The method for manufacturing the OLED pressure touch display device according to claim 6, wherein the aligning the protection cover plate with the OLED display panel comprises:
placing the OLED display panel in a chamber in a vacuum box-aligning device, with the OLED devices of the OLED display panel positioned above;
coating frame sealing glue on a substrate of the OLED display panel, wherein the frame sealing glue surrounds a display area of the OLED display panel;
and placing the protection cover plate above the OLED display panel, vacuumizing a cavity in the vacuum box aligning equipment, and aligning the protection cover plate with the OLED display panel to enable the protection cover plate to be aligned with the OLED display panel.
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| CN108957872A (en) * | 2018-10-09 | 2018-12-07 | 张家港康得新光电材料有限公司 | Display device |
| CN109739380A (en) * | 2018-12-28 | 2019-05-10 | 惠州市华星光电技术有限公司 | A kind of touch control display apparatus and preparation method thereof |
| CN110045867B (en) * | 2019-03-25 | 2020-10-27 | 深圳市华星光电半导体显示技术有限公司 | Touch display panel and touch display device |
| WO2021092785A1 (en) * | 2019-11-13 | 2021-05-20 | 南昌欧菲显示科技有限公司 | Tactile feedback module, touch screen, keyboard, and electronic device |
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| CN107092397A (en) * | 2017-05-08 | 2017-08-25 | 厦门天马微电子有限公司 | Touch-control display panel and touch control display apparatus |
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| CN108336121A (en) | 2018-07-27 |
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