CN108664165B - Display panel and electronic device using same - Google Patents
Display panel and electronic device using same Download PDFInfo
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- CN108664165B CN108664165B CN201810432961.8A CN201810432961A CN108664165B CN 108664165 B CN108664165 B CN 108664165B CN 201810432961 A CN201810432961 A CN 201810432961A CN 108664165 B CN108664165 B CN 108664165B
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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
A display panel comprises a substrate, a plurality of micro LEDs formed on the substrate and a pressure sensing layer located on one side, away from the substrate, of the micro LEDs, wherein the pressure sensing layer is provided with a through hole corresponding to each micro LED so that light can pass through, at least one side of the pressure sensing layer is provided with a touch electrode, and the pressure sensing layer and the touch electrode are matched to sense a touch position or touch pressure. An embodiment of the invention further provides an electronic device using the display panel.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display panel and an electronic device using the same.
Background
Micro-LED (Micro Light Emitting diode) display technology, also called Micro LED or μ LED display technology, is an emerging flat panel display technology. The micro LED display is a self-luminous display like an Organic Light-Emitting Diode (OLED) display, but has the advantages of better material stability, longer service life, no image branding, and the like, compared with the OLED display. The micro-LEDs described herein generally refer to LEDs having a size of less than 200 microns.
The micro LED display panel has two main structures, one is a red (R), green (G) and blue (B) micro LED by mass transfer (mass transfer) on the active matrix backplane, and the full color effect is directly obtained by the red (R), green (G) and blue (B) micro LED; the other structure is that a monochromatic micro LED is formed on the active matrix backboard, and a color conversion layer is arranged to convert light emitted by the monochromatic micro LED to obtain a full-color effect. However, the current micro LED display panels do not incorporate touch technology.
Disclosure of Invention
An embodiment of the invention provides a display panel, which includes a substrate, a plurality of micro LEDs on the substrate, and a pressure sensing layer formed on one side of the micro LEDs away from the substrate, wherein the pressure sensing layer is provided with a through hole corresponding to each micro LED so as to allow light to pass through, at least one side of the pressure sensing layer is provided with a touch electrode, and the pressure sensing layer and the touch electrode are matched to sense a touch position or touch pressure.
Another embodiment of the present invention further provides an electronic device, which includes the display panel.
The display panel provided by the embodiment of the invention comprises the pressure sensing layer which is matched with the touch electrode and can be used for sensing the touch position or the touch pressure, and further, the touch function is integrated in the display panel.
Drawings
Fig. 1 is a schematic top plan view of a display panel according to a first embodiment of the invention.
Fig. 2 is a schematic cross-sectional view of fig. 1 taken along section line ii-ii.
Fig. 3 is a schematic cross-sectional view of fig. 1 taken along section line iii-iii.
Fig. 4 is a schematic layout diagram of a plurality of driving electrodes and a plurality of receiving electrodes of a display panel according to a first embodiment of the invention.
Fig. 5 is a schematic top plan view of a display panel according to a second embodiment of the invention.
Figure 6 is a schematic cross-sectional view of figure 5 taken along section line vi-vi.
FIG. 7 is a schematic cross-sectional view taken along section line VII-VII of FIG. 5.
Fig. 8 is a schematic layout diagram of a plurality of driving electrodes and a plurality of receiving electrodes of a display panel according to a second embodiment of the present invention.
Fig. 9 is a top plan view of a display panel according to a third embodiment of the invention.
FIG. 10 is a schematic cross-sectional view of FIG. 9 taken along section lines X-X.
Description of the main elements
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
First embodiment
Fig. 1 is a schematic top plan view of a display panel according to a first embodiment of the invention, and for clarity, the second substrate 70 is omitted in fig. 1. Fig. 2 is a schematic cross-sectional view of fig. 1 taken along section line ii-ii. As shown in fig. 1 and 2, the display panel 100 includes a substrate 10, a plurality of micro LEDs 20 formed on the substrate 10, and a pressure sensing layer 30 located on a side of the micro LEDs 20 away from the substrate 10, wherein the pressure sensing layer 30 is provided with a through hole 31 corresponding to each micro LED20 for light to pass through, the pressure sensing layer 30 is made of a pressure sensing material, at least one side of the pressure sensing layer 30 is provided with a touch electrode, and the pressure sensing layer 30 and the touch electrode are used for sensing a touch position or a touch pressure in cooperation.
Specifically, the material of the pressure-sensitive layer 30 is a mixture of conductive particles (tens of nanometers to microns) and a polymer material, and the method for forming the pressure-sensitive layer 30 may be screen printing, gravure printing, jet printing, photolithography, screen printing, laser etching, and the like.
As shown in fig. 1, the touch electrode includes a plurality of driving electrodes 40 and a plurality of receiving electrodes 50, the plurality of driving electrodes 40 and the plurality of receiving electrodes 50 are respectively located at two opposite sides of the pressure sensitive layer 30, and a projection of each driving electrode 40 on the substrate 10 and a projection of all receiving electrodes 50 on the substrate 10 are overlapped in a crossing manner.
Fig. 2 is a schematic cross-sectional view of fig. 1 taken along section line ii-ii. As shown in fig. 2, the driving electrodes 40 are located on a side of the pressure sensitive layer 30 close to the substrate 10 and electrically contact with the pressure sensitive layer 30.
Fig. 3 is a schematic cross-sectional view of fig. 1 taken along section line iii-iii. As shown in fig. 3, the receiving electrodes 50 are located on a side of the pressure-sensitive layer 30 away from the substrate 10 and electrically contact with the pressure-sensitive layer 30
Specifically, the material of the driving electrode 40 and the receiving electrode 50 may be Indium Tin Oxide (ITO), conductive metal, etc., and is not limited herein.
Fig. 4 is a schematic layout diagram of a plurality of driving electrodes and a plurality of receiving electrodes of a display panel according to a first embodiment of the invention. As shown in fig. 4, each of the driving electrodes 40 is a rectangular strip extending along the first direction D1, and the plurality of driving electrodes 40 are arranged at intervals along the second direction D2; the second direction D2 intersects the first direction D1; each receiving electrode 50 has a rectangular bar shape extending along the second direction D2, and the plurality of receiving electrodes 50 are arranged at intervals along the first direction D1.
In this embodiment, the display panel 100 further includes a driving circuit (not shown) and a reading circuit (not shown), the driving electrodes 40 are electrically connected to the driving circuit, and the receiving electrodes 50 are electrically connected to the reading circuit.
The driving circuit applies touch driving signals to each driving electrode 40 one by one, and the reading circuit cooperates with the driving circuit to read the electrical signals of each receiving electrode 50 one by one. In this embodiment, the electrical signal is a voltage signal.
In this embodiment, when the display panel 100 is pressed at a position corresponding to the intersection and overlap position of the driving electrode 40 and the receiving electrode 50, the impedance value of the pressure sensing layer 30 at the intersection and overlap position changes accordingly due to the pressure sensing effect, so that the electrical signal output by the receiving electrode 50 at the pressed position changes accordingly. Therefore, the pressed position can be determined by analyzing the electrical signals of the plurality of receiving electrodes 50 read by the reading circuit, so that the position of the pressure sensing layer 30 for sensing touch is realized. In the present embodiment, the pressing center position can be discriminated by analyzing the intensity distribution of the output voltage signals of all the receiving electrodes 50 as a whole.
In this embodiment, since the pressure sensing layer 30 is a pressure sensing material, and the magnitude of the pressure applied thereon is inversely proportional to the impedance value thereof, that is, the magnitude of the pressure applied at the pressed position is related to the electrical signal of the corresponding receiving electrode 50 at the pressed position read by the reading circuit, the magnitude of the pressure at the pressed position can be obtained by conversion according to the electrical signals of the plurality of receiving electrodes 50 read by the reading circuit and by analyzing the magnitude of the change in the electrical signal of the receiving electrode 50 in which the electrical signal is changed, thereby implementing the pressure sensing layer 30 for sensing the touch pressure.
With continued reference to fig. 1, the display panel 100 defines a plurality of pixels 11, each pixel 11 is composed of a plurality of sub-pixels 12 emitting light of different colors, and each sub-pixel 12 includes one of the micro LEDs 20. In the present embodiment, each pixel 11 is constituted by 3 sub-pixels 12 emitting light of different colors. In this embodiment, the micro LEDs 20 emit light of the same color.
As shown in fig. 2 and 3, the display panel 100 further includes a plurality of color conversion units 80, each color conversion unit 80 is located in one of the through holes 31, and the color conversion unit 80 is configured to convert light emitted from its corresponding micro LED20 into red light or green light.
In this embodiment, the plurality of micro LEDs 20 emit blue light. The color conversion unit 80 includes a red color conversion unit 81 and a green color conversion unit 82; the sub-pixels 12 include a red sub-pixel 121, a green sub-pixel 122, and a blue sub-pixel 123; the red subpixel 121 further includes a red color conversion unit 81 located in the through hole 31 above the micro LED20 thereof to convert the blue light emitted from the micro LED20 thereof into red light; the green sub-pixel 122 also includes a green color conversion unit 82 located in the via 31 above its micro LED20 to convert the blue light emitted by its micro LED20 into green light; the blue subpixel 123 is not provided with a color conversion unit 80 in the through hole 31 above its micro LED 20.
Specifically, the plurality of micro LEDs 20 may be gallium nitride (GaN) -based micro LEDs that emit light in the blue band. A red quantum dot material or a fluorescent material is arranged in the red color conversion unit 81, and a green quantum dot material or a fluorescent material is arranged in the green color conversion unit 82.
As shown in fig. 2 and 3, the display panel 100 further includes a first substrate 60 and a second substrate 70 disposed above and opposite to the plurality of micro LEDs 20, the pressure sensitive layer 30 is disposed between the first substrate 60 and the second substrate 70, and both the first substrate 60 and the second substrate 70 are transparent.
In this embodiment, the first substrate 60 is used to carry the pressure sensing layer 30, the plurality of driving electrodes 40, and the plurality of color conversion units 80. The first substrate 60 has a first surface 61 and a second surface 62 opposite to the first surface 61, the first surface 61 is bonded to the side of the substrate 10 on which the micro LEDs 20 are formed by an adhesive 90, and the driving electrodes 40, the pressure sensitive layer 30 and the color conversion units 80 are formed on the second surface 62.
In this embodiment, the second substrate 70 is disposed at the outermost side of the display panel 100, and the second substrate 70 is bonded to the pressure sensitive layer 30 and the plurality of receiving electrodes 50 through an adhesive 90 to seal the red quantum dot material, the green quantum dot material, or the fluorescent material in the through holes 31 from the environment.
Specifically, the first substrate 60 and the second substrate 70 may be glass or an optical film, and the material of the optical film may be, but not limited to, Polycarbonate (PC), polymethyl Methacrylate (PMMA), or polyethylene terephthalate (PET), and the like.
In this embodiment, the blue light emitted by the micro LED20 corresponding to the red sub-pixel 121 passes through the first substrate 60, is converted into red light by the red quantum dot material or the fluorescent material in the red color conversion unit 81, and then passes through the second substrate 70; the blue light emitted by the micro LED20 corresponding to the green sub-pixel 122 passes through the first substrate 60, is converted into green light by the green quantum dot material or the fluorescent material in the green color conversion unit 82, and then passes through the second substrate 70; the blue light emitted by the micro LED20 corresponding to the blue sub-pixel 123 passes through the first substrate 60 and then directly passes through the second substrate 70.
In this embodiment, the pressure sensitive layer 30 is opaque and has a certain thickness, and the thickness is 15 to 25 μm. The red light converted by the red quantum dot material or the fluorescent material in the red color conversion unit 81, the green light converted by the green quantum dot material or the fluorescent material in the green color conversion unit 82, and the blue light emitted by the micro LED20 corresponding to the blue sub-pixel 123 directly pass through the second substrate 70, and are partially absorbed or reflected by the pressure sensitive layer 30, so as to prevent light leakage (Cross Talk) caused by light scattering of the red light, the green light, and the blue light.
Second embodiment
Fig. 5 is a schematic top plan view of a display panel according to a second embodiment of the invention. The display panel 200 is substantially the same as the display panel 100 of the first embodiment, and also includes a substrate 10, a plurality of micro LEDs 20 formed on the substrate 10, and a pressure sensing layer 30 located on a side of the micro LEDs 20 away from the substrate 10, where the pressure sensing layer 30 is opened with a through hole 31 corresponding to each micro LED20 to allow light to pass through, the display panel 200 further includes a touch electrode, where the touch electrode includes a plurality of driving electrodes 40 and a plurality of receiving electrodes 50, and the pressure sensing layer 30 and the touch electrode are used for sensing a touch position or a touch pressure.
Figure 6 is a schematic cross-sectional view of figure 5 taken along section line vi-vi. FIG. 7 is a schematic cross-sectional view taken along section line VII-VII of FIG. 5. As shown in fig. 6 and 7, the display panel 200 is different from the display panel 100 of the first embodiment in that the driving electrodes 40 and the receiving electrodes 50 are disposed on the same side of the pressure sensitive layer 30 and spaced apart from each other, and the driving electrodes 40 and the receiving electrodes 50 are both in electrical contact with the pressure sensitive layer 30.
Fig. 8 is a schematic layout diagram of a plurality of driving electrodes and a plurality of receiving electrodes of a display panel according to a second embodiment of the present invention. As shown in fig. 8, the driving electrodes 40 include a column of row driving electrodes 41 spaced along the first direction D1 and a row of column driving electrodes 42 spaced along the second direction D2. The receiving electrodes 50 include a column of row receiving electrodes 51 spaced along a first direction D1 and a row of column receiving electrodes 52 spaced along a second direction D2. Each row driving electrode 41 corresponds to one row receiving electrode 51 and is located approximately at two opposite sides of the pressure sensing layer 30 along the first direction D1, and each column driving electrode 42 corresponds to one column receiving electrode 52 and is located approximately at two opposite sides of the pressure sensing layer 30 along the second direction D2. Wherein the row driving electrode 41 is located between two adjacent through holes 31, and the column driving electrode 42 is located between two adjacent through holes 31; the row receiving electrode 51 is positioned between two adjacent through holes 31, and the column receiving electrode 52 is positioned between two adjacent through holes 31.
In addition, at least one dummy electrode 43 for electrical conduction is provided between the row driving electrode 41 and the row receiving electrode 51. At least one dummy electrode 43 for electrical conduction is further provided between the column driving electrode 42 and the column receiving electrode 52.
In this embodiment, the row driving electrodes 41 are located in the leftmost column of the second direction D2, the row receiving electrodes 51 are located in the rightmost column of the second direction D2, the column driving electrodes 42 are located in the uppermost row of the first direction D1, and the column receiving electrodes 52 are located in the lowermost row of the first direction D1.
In this embodiment, the row driving electrodes 41, the column driving electrodes 42, the row receiving electrodes 51, the column receiving electrodes 52 and the dummy electrodes 43 are all rectangular strips, and each row driving electrode 41 is substantially on the same straight line with the extending direction of the long diameter of the corresponding row receiving electrode 51 and the dummy electrode 43 therebetween, and each column driving electrode 42 is substantially on the same straight line with the extending direction of the long diameter of the corresponding column receiving electrode 52 and the dummy electrode 43 therebetween.
In this embodiment, the display panel 200 also includes a driving circuit (not shown) and a reading circuit (not shown), the plurality of row driving electrodes 41 are electrically connected to the driving circuit, the plurality of row receiving electrodes 51 are electrically connected to the reading circuit, the driving circuit applies touch driving signals to each row driving electrode 41 one by one, and the reading circuit cooperates with the driving circuit to read the electrical signals of each row receiving electrode 51 one by one.
When the upper side of the display panel 200 is pressed, the impedance value of the pressure-sensitive layer at the pressed position changes due to the pressure-sensitive effect, so that the electrical signal of the row receiving electrode 51 of the row at the position read by the reading circuit changes accordingly. By analyzing the electric signals of the plurality of line receiving electrodes 51 read by the reading circuit, the line in which the pressed position is located can be determined.
Similarly, the row driving electrodes 42 are electrically connected to the driving circuit, the row receiving electrodes 52 are electrically connected to the reading circuit, the driving circuit applies touch driving signals to each row driving electrode 42 one by one, and the reading circuit cooperates with the driving circuit to read the electrical signals of each row receiving electrode 52 one by one.
When the upper side of the display panel 200 is pressed, the impedance value of the pressure-sensitive layer 30 at the pressed position changes due to the pressure-sensitive effect, so that the electrical signal of the column receiving electrode 52 of the column at the position read by the reading circuit changes accordingly. The column in which the pressed position is located can be determined by analyzing the electric signals of the plurality of column receiving electrodes 52 read by the reading circuit. In the present embodiment, the pressing center position can be discriminated by analyzing the intensity distribution of the output voltage signals of all the receiving electrodes 50 as a whole.
Thus, by analyzing the electrical signals of the plurality of row receiving electrodes 51 and the electrical signals of the plurality of column receiving electrodes 52 read by the reading circuit, the row and the column where the pressing position is located can be obtained, that is, the coordinate of the pressing position can be obtained, so that the position of the pressure sensing layer 30 for sensing touch is realized. In this embodiment, the electrical signal is a voltage signal.
Since the pressure sensing layer 30 is made of a pressure sensing material, the magnitude of the pressure applied to the pressure sensing layer is inversely proportional to the impedance value thereof, that is, the magnitude of the pressure applied to the pressed position is related to the magnitude of the change of the electrical signals of the plurality of row receiving electrodes 51 and the plurality of column receiving electrodes 52 read by the reading circuit, and therefore, according to the electrical signals of the plurality of row receiving electrodes 51 and the plurality of column receiving electrodes 52 read by the reading circuit, the magnitude of the pressure at the pressed position can be obtained by analyzing the magnitude of the change of the electrical signals of the receiving electrodes 50, which are changed by the electrical signals, so that the pressure sensing layer 30 is used for sensing the touch pressure.
Third embodiment
Fig. 9 is a top plan view of a display panel according to a third embodiment of the invention. The display panel 300 is substantially the same as the display panel 100 of the first embodiment, and also includes a substrate 10, a plurality of micro LEDs 20 formed on the substrate 10, and a pressure sensing layer 30 located on a side of the micro LEDs 20 away from the substrate 10, where the pressure sensing layer 30 is provided with a through hole 31 corresponding to each micro LED20 to allow light to pass through, the pressure sensing layer 30 is made of a pressure sensing material, at least one side of the pressure sensing layer 30 is provided with a touch electrode, and the pressure sensing layer 30 and the touch electrode are used for sensing a touch position or a touch pressure in cooperation.
FIG. 10 is a schematic cross-sectional view of FIG. 9 taken along section lines X-X. As shown in fig. 10, the display panel 300 is different from the display panel 100 of the first embodiment in that the plurality of micro LEDs 20 emit ultraviolet light. The color conversion unit 80 includes a red color conversion unit 81, a green color conversion unit 82, and a blue color conversion unit 83; the sub-pixels 12 include a red sub-pixel 121, a green sub-pixel 122, and a blue sub-pixel 123; the red sub-pixel 121 further includes a red color conversion unit 81 located in the through hole 31 above the micro LED20 thereof to convert ultraviolet light emitted from the micro LED20 thereof into red light; the green sub-pixel 122 also includes a green color conversion unit 82 located in the via hole 31 above its micro LED20 to convert the ultraviolet light emitted by its micro LED20 into green light; the blue subpixel 123 further includes a blue color conversion unit 83 in the via hole 31 above its micro LED20 to convert the ultraviolet light emitted from its micro LED20 into blue light.
Specifically, the micro LEDs 20 may be aluminum gallium nitride (AlGaN) -based micro LEDs, which emit light in the ultraviolet band. A red quantum dot material or a fluorescent material is arranged in the red color conversion unit 81, a green quantum dot material or a fluorescent material is arranged in the green color conversion unit 82, and a blue quantum dot material or a fluorescent material is arranged in the blue color conversion unit 83.
It is to be understood that, in the display panel 300 according to the third embodiment of the present invention, the arrangement of the plurality of driving electrodes 40 and the plurality of receiving electrodes 50 may also be the same as the arrangement of the plurality of driving electrodes 40 and the plurality of receiving electrodes 50 of the display panel 200 according to the second embodiment of the present invention, and is not repeated herein.
Another embodiment of the present invention further provides an electronic device, which includes any one of the display panels (100, 200, 300) in the above embodiments. Specifically, the electronic device can be a mobile phone, a computer, an intelligent household appliance, an industrial controller and the like.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (10)
1. A display panel, comprising:
a substrate;
a plurality of micro LEDs formed on the substrate;
the pressure sensing layer is positioned on one side of the micro LEDs far away from the substrate, and the pressure sensing layer is provided with a through hole corresponding to each micro LED so as to enable light to pass through;
the touch electrode is arranged on at least one side of the pressure sensing layer, and the pressure sensing layer and the touch electrode are matched for sensing a touch position or touch pressure;
the display panel also comprises a plurality of color conversion units, and each color conversion unit is positioned in one through hole and is used for converting light emitted by the corresponding micro LED;
the pressure-sensitive layer is opaque, and can absorb or reflect light emitted by the micro LED or light converted by the color conversion unit.
2. The display panel of claim 1, wherein the touch electrodes comprise a plurality of driving electrodes and a plurality of receiving electrodes;
the plurality of driving electrodes are positioned on one side of the pressure sensing layer close to the substrate;
the plurality of receiving electrodes are positioned on one side of the pressure-sensitive layer far away from the substrate;
the projection of each driving electrode on the substrate is overlapped with the projection of all the receiving electrodes on the substrate in a crossing way.
3. The display panel of claim 2, wherein each of the driving electrodes extends in a first direction;
each receiving electrode extends along the second direction;
the first direction and the second direction are crossed, so that the projection of each driving electrode on the substrate is crossed and overlapped with the projection of all the receiving electrodes on the substrate.
4. The display panel of claim 1, wherein the touch electrodes comprise a plurality of driving electrodes and a plurality of receiving electrodes;
the plurality of driving electrodes and the plurality of receiving electrodes are arranged on the same side of the pressure sensing layer and are spaced from each other.
5. The display panel of claim 4, wherein the driving electrodes include a column of row driving electrodes spaced apart along the first direction and a row of column driving electrodes spaced apart along the second direction;
the first direction and the second direction intersect;
the receiving electrodes comprise a column of row receiving electrodes arranged at intervals along a first direction and a row of column receiving electrodes arranged at intervals along a second direction;
each row driving electrode corresponds to one row receiving electrode and is positioned on two opposite sides of the pressure sensing layer along the first direction;
each column driving electrode corresponds to one column receiving electrode and is located on two opposite sides of the pressure sensing layer along the second direction.
6. The display panel of claim 5, wherein at least one dummy electrode for electrical conduction is further provided between the row driving electrode and the row receiving electrode;
at least one dummy electrode for electrical conduction is further provided between the column driving electrode and the column receiving electrode.
7. The display panel according to claim 2 or 4, wherein the plurality of driving electrodes are applied with driving signals one by one, and when the display panel is pressed, the electric signals output by the receiving electrodes corresponding to the pressed position are changed, and the pressed position is determined by analyzing the electric signals output by the plurality of receiving electrodes;
the magnitude of the change of the electric signal output by the receiving electrode corresponding to the pressing position is related to the pressure applied to the pressing position, and the magnitude of the pressure at the pressing position is obtained by analyzing the magnitude of the change of the electric signal of the receiving electrode of which the electric signal is changed.
8. The display panel of claim 1, wherein the plurality of micro LEDs emit blue light, and the color conversion unit is configured to convert the blue light emitted by its corresponding micro LED into red light or green light.
9. The display panel of claim 1, wherein the plurality of micro LEDs emit ultraviolet light, and the color conversion unit is configured to convert the ultraviolet light emitted by its corresponding micro LED into red, green, or blue light.
10. An electronic device characterized by comprising the display panel according to any one of claims 1 to 9.
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| CN201810432961.8A CN108664165B (en) | 2018-05-08 | 2018-05-08 | Display panel and electronic device using same |
| TW107117294A TWI675318B (en) | 2018-05-08 | 2018-05-21 | Display panel and electronic device using the display panel |
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| CN201810432961.8A CN108664165B (en) | 2018-05-08 | 2018-05-08 | Display panel and electronic device using same |
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| CN109407406A (en) * | 2018-12-24 | 2019-03-01 | 厦门天马微电子有限公司 | Display module and display device |
| CN110147179A (en) * | 2019-05-22 | 2019-08-20 | 京东方科技集团股份有限公司 | A kind of touch display substrate and preparation method thereof, touch control display apparatus |
| TWI750700B (en) * | 2020-06-18 | 2021-12-21 | 友達光電股份有限公司 | Touch display device |
| CN112114703B (en) * | 2020-09-10 | 2022-10-04 | 厦门天马微电子有限公司 | Display panel and display device |
| CN112701206B (en) * | 2021-03-23 | 2021-07-06 | 北京芯海视界三维科技有限公司 | Light emitting device, method for arranging functional piece of light emitting device and display device |
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| TWI675318B (en) | 2019-10-21 |
| TW201947373A (en) | 2019-12-16 |
| CN108664165A (en) | 2018-10-16 |
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