CN207946949U - Show equipment and digitlization desk - Google Patents
Show equipment and digitlization desk Download PDFInfo
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- CN207946949U CN207946949U CN201720925496.2U CN201720925496U CN207946949U CN 207946949 U CN207946949 U CN 207946949U CN 201720925496 U CN201720925496 U CN 201720925496U CN 207946949 U CN207946949 U CN 207946949U
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Abstract
This application provides a kind of display equipment and digitlization desks, wherein show that equipment includes semi-tempered glass layer, touch control layer, display layer and metal backing, the touch control layer, the display layer and the metal backing are successively set on the lower section of the semi-tempered glass layer；The touch control layer direct plating is on the lower surface of the semi-tempered glass layer.The application can effectively enhance the resistance to compression impact resistance of display equipment by the way that semi-tempered glass layer and metal backing are respectively set above and below display layer, improve the integral strength of display equipment.
Description
Technical field
This application involves display technology field more particularly to a kind of display equipment and digitlization desks.
Background technology
Be integrated under certain usage scenarios, such as on desktop display equipment digitlization desk when in use, Ke Nengyu
Situations such as pressing, hard object or heavy impact being exerted oneself to weight compressing, user, therefore show that the intensity of equipment needs to reach certain
It is required that.
Utility model content
The brief overview about the application is given below, in order to provide the basic of some aspects about the application
Understand.It should be appreciated that this general introduction is not the exhaustive general introduction about the application.It is not intended to determine the pass of the application
Key or pith, nor intended limitation scope of the present application.Its purpose only provides certain concepts in simplified form,
In this, as the preamble in greater detail discussed later.
One of the technical issues of the application solves is to provide a kind of display equipment and number that can promote integral strength
Change desk.
According to the one side of the application, a kind of display equipment, including semi-tempered glass layer, touch control layer, display are provided
Layer and metal backing, the touch control layer, the display layer and the metal backing are successively set on the semi-tempered glass layer
Lower section；The touch control layer direct plating is on the lower surface of the semi-tempered glass layer.
Preferably, the touch control layer direct plating is on the lower surface of the semi-tempered glass layer.
Preferably, the semi-tempered glass layer, touch control layer, display layer and metal backing are formed as an integrated structure.
Preferably, the surface compression stress of the integral structure is between 180MPa to 330MPa.
Preferably, the compression strength of the integral structure under the conditions of failing probability 1% for 120MPa to 245MPa it
Between.
Preferably, it is provided with reticular supporting structure below the metal backing.
Preferably, the surface compression stress of the composite construction formed by the integral structure and the reticular supporting structure is
Between 220MPa to 360MPa.
Preferably, the compression strength of the composite construction formed by the integral structure and the reticular supporting structure is failing
Under the conditions of probability 1% between 140MPa to 290MPa.
Preferably, the display equipment further includes：Control circuit board is set to the gold for controlling the display layer
Belong to the back side of backboard；Circuit board cover sheet, for protecting the control circuit board.
Preferably, the circuit board cover sheet is connect with the metal backing, and from the back side of the metal backing
Protrusion.
Preferably, the upper surface of the semi-tempered glass layer is provided with rupture pressure disc.
Preferably, the rupture pressure disc is a nanometer rupture pressure disc.
Preferably, the display equipment is arranged to the state of general horizontal, and tolerance is suitble to intersect direction with its panel
Load.
According to the another aspect of the application, a kind of digitlization desk is provided, including show equipment as described above, it is described
Show a part of the panel of equipment as the support surface for digitizing desk.
According to the another aspect of the application, a kind of digitlization desk is provided, including show equipment as described above, it is described
Show a part of the panel of equipment as the support surface for digitizing desk, wherein removing for the display equipment is described
Part except reticular supporting structure is fixed in the ontology of the digitlization desk by the reticular supporting structure.
Preferably, the display equipment is fixed in the ontology of the digitlization desk by border structure, described netted
Support construction forms one with the border structure.
It can by the way that semi-tempered glass layer and metal backing are respectively set above and below display layer according to the application
Effectively to enhance the resistance to compression impact resistance of display equipment, the integral strength of display equipment is improved.
Description of the drawings
It is new to this practicality below in conjunction with the accompanying drawings in order to which the above and other advantages and features of the utility model are expanded on further
The specific implementation mode of type is described in further detail.The attached drawing is included in this explanation together with following detailed description
In book and form the part of this specification.The element of function and structure having the same is denoted with the same reference numerals.
It should be appreciated that these attached drawings only describe the typical case of the utility model, and it is not to be taken as to the scope of the utility model
It limits.In the accompanying drawings：
Fig. 1 is a kind of layer structure schematic diagram of the display equipment of embodiment of the utility model；
Fig. 2 is a kind of schematic perspective view of the display equipment of embodiment of the utility model；
Fig. 3 is metal backing, control circuit board and the circuit board cover sheet of a kind of embodiment of the utility model
Structural schematic diagram；
Fig. 4 is the layer structure schematic diagram of the display equipment of the another embodiment of the utility model；
Fig. 5 is a kind of schematic diagram of the reticular supporting structure of embodiment of the utility model；
Fig. 6 is a kind of stress exploded view of the display equipment of embodiment of the utility model；
Fig. 7 is the layer structure schematic diagram of the display equipment of the another embodiment of the utility model；
Fig. 8 is a kind of schematic diagram of the installation condition of the display equipment of embodiment of the utility model.
Specific implementation mode
The exemplary embodiment of the utility model is described hereinafter in connection with attached drawing.For clarity and conciseness
For the sake of, all features of actual implementation mode are not described in the description.It should be understood, however, that developing any this reality
Much decisions specific to embodiment must be made during the embodiment of border, to realize the specific mesh of developer
Mark, for example, meet restrictive condition those of related to system and business, and these restrictive conditions may be with embodiment
Difference and change.In addition, it will also be appreciated that although development is likely to be extremely complex and time-consuming, to obtaining
For those skilled in the art of present disclosure, this development is only routine task.
Herein, it is also necessary to which explanation is a bit, in order to avoid having obscured the utility model because of unnecessary details, attached
It illustrate only the device structure closely related with scheme according to the present utility model and/or processing step in figure, and be omitted
The little other details with the utility model relationship.
One side according to the present utility model, provides a kind of display equipment, including semi-tempered glass layer, touch control layer, aobvious
Show that layer and metal backing, the touch control layer, the display layer and the metal backing are successively set on the semi-tempered glass layer
Lower section.
Fig. 1 is a kind of layer structure schematic diagram of the display equipment of embodiment of the utility model.As shown in Figure 1, should
The display equipment of embodiment includes semi-tempered glass layer 1, touch control layer 2, display layer 3 and metal backing 4, touch control layer 2, display layer
3 and metal backing 4 be successively set on the lower section of semi-tempered glass layer 1.
Semi-tempered glass layer 1 and metal backing 4 protect the front and back of display layer 3 respectively, form complex protection structure.
Display layer 3 be to including upper down polaroid, colored filter, liquid crystal layer, backlight module etc. with show relevant each group
At the general designation of part.The protective effect of double of toughened glass layer 1 and metal backing 4 illustrates individually below.
Semi-tempered glass layer 1
Semi-tempered glass layer 1 is arranged in the top of display layer 3, and protection is formed to the front of display layer 3.From display equipment
The pressure on surface substantially reduces after being disperseed by semi-tempered glass layer 1 so that the pressure reduction on the unit area of display layer 3 is arrived
In the range of display layer 3 can be born, to prevent the damage due to pressing, the impact of hard object etc. to display layer 3.
The display equipment of present embodiment, can be not by using the semi-tempered glass layer 1 made of semi-tempered glass
Its intensity is improved in the case of increasing glass layer thickness.Semi-tempered glass can improve intensity, example by chemical toughening process
Such as in the case where thickness is no more than 2mm, following intensity index can be realized：Surface compression stress is 150MPa to 300MPa
Between；Compression strength is under the conditions of failing probability 1% between 100MPa to 210MPa.
For comparing, common 2mm or less tempered glass intensity index is：Surface compression stress be 70MPa to 170MPa it
Between；Compression strength is under the conditions of failing probability 1% between 48MPa to 120MPa.
In present embodiment, it is preferable that 2 direct plating of touch control layer is on the lower surface of semi-tempered glass layer 1.Fig. 2 is this reality
Apply the schematic perspective view of the display equipment of mode.Since touch control layer 2 and semi-tempered glass layer 1 are combined closely, the two is actually
Be formed as one layer, therefore touch control layer 2 is invisible in fig. 2.This combine closely eliminates touch control layer 2 and semi-tempered glass layer 1
Between air layer, on the one hand prevent pressure from can not be conducted downwards due to the presence of air layer, to which lifting means is whole
On the other hand intensity makes display equipment possess more ultra-thin characteristic.
Metal backing 4
Metal backing 4 is arranged in the lower section of display layer 3, can be bonded with display layer 3, is formed and is protected to the back side of display layer 3
Shield.The positive stress of display layer 3 has substantially reduced after the dispersion of semi-tempered glass layer 1, in order to further protect display layer 3 to carry on the back
Face is not damaged, and metal backing 4 is arranged in the lower section of display layer 3, so as to get reach the pressure at 3 back of display layer by metal backing 4
It bears simultaneously further to disperse.
As described above, semi-tempered glass layer 1 and metal backing 4 protect the front and back of display layer 3 respectively, formed whole
Protective effect prevents the internal structure of display layer 3 from damaging, and promotes the intensity for showing equipment entirety.
Preferably, semi-tempered glass layer 1, touch control layer 2, display layer 3 and metal backing 4 can be formed as an integrated structure, by
This further promotes the intensity for showing equipment entirety.About the formation of the integral structure, touch control layer 2 as previously described can be with direct plating
On the lower surface of semi-tempered glass layer 1, in addition, can be bonded to each other by full coating technique between each layer, and can be
For the surrounding setting plastic frame of display equipment for sealing and protecting, plastic frame is stuck in 1 He of semi-tempered glass layer up and down
On metal backing 4.
Through measuring, the surface compression stress of the integral structure is between 180MPa to 330MPa；Compression strength is several in failure
Under the conditions of rate 1% between 120MPa to 245MPa.Compared with the above-mentioned semi-tempered glass layer 1 itself the case where, either surface
Compression stress or compression strength get a promotion.
Circuit board cover sheet 7
In an embodiment of the utility model, display equipment further includes control circuit board, for controlling display layer
3.The control circuit board of traditional display equipment is more complicated, is generally arranged between display layer and backboard.And the utility model
Embodiment display equipment in, by designing and showing that (including separate power supply is opened for separate control box that equipment detaches
Pass, USB port and earphone hole etc.) so that the structure of control circuit board becomes simple, so as to be arranged at metal backing 4
The back side and control circuit board is connected by the edge of display layer with display layer by simple connecting line and drives it.Also,
In order to further protect the control circuit board, the display equipment of present embodiment to be provided with circuit board cover sheet.Fig. 3 is this reality
Apply the metal backing of mode, the structural schematic diagram of control circuit board and circuit board cover sheet.As shown in figure 3, control circuit board 6
Be set to metal backing 4 the back side (if in accordance with the order from top to bottom, the back side, that is, metal backing 4 of metal backing 4
Lower surface), and circuit board cover sheet 7 is then bonded and covers control circuit board 6.Due to by control circuit board 6 and its circuit board
Cover sheet 7 is arranged at the back side of metal backing 4, to not have any driving or control between display layer 3 and metal backing 4
Circuit processed, therefore metal backing 4 can be smooth, so that metal backing can be more ideally bonded with display layer, preferably
Disperse and bear the stress from semi-tempered glass layer 1, to promote the intensity of entire display equipment.Preferably, control circuit
Plate 6 can be fitted in the back side of metal backing 4 and from the raised fritter in the back side of metal backing 4, and circuit board cover sheet 7 is certain
Also from the back side of metal backing 4 protrusion.Circuit board cover sheet 7 is for example connect by screw 8 with metal backing 4, and screw 8 can be with
Be one week 4, can also be any other connection type.On circuit board cover sheet 7 can there are opening for control circuit board 6
Connecting line between display layer 3 passes through.
Reticular supporting structure 5
Fig. 4 is the schematic stratiform structure chart of the display equipment of the utility model another embodiment.As shown in figure 4,
The display equipment of present embodiment is provided with reticular supporting structure 5 in the lower section of metal backing 4.
Fig. 5 is the structural schematic diagram of reticular supporting structure 5.Wherein, dashed part is support plate, and blank parts are hole.
As previously described, because circuit board cover sheet 7 is protruded from the back side of metal backing 4, therefore the back side of metal backing 4 is not smooth
, it is inconvenient as support construction using entire plate.And netted support construction is more prone to adapt to the power-up of metal backing 4 road
The shape of plate cover sheet 7 is not only able to effectively support metal backing 4, and is also conducive to heat dissipation, light-weight excellent
Point can be made thicker in the case where ensureing heat dissipation, equivalent material additionally, due to reticular structure, can also provide stronger branch
Support force.
By the way that by reticular supporting structure 5, further support metal backing 4 can be effectively in terms of the front of display equipment
Pressure is transmitted to reticular supporting structure 5 from semi-tempered glass layer 1 layer by layer, face is distributed to from point, further effectively promotes this reality
Apply the integral strength of the display equipment of mode.
In terms of the back side of display equipment, the effect of metal backing 4 has force dispersion work as semi-tempered glass layer 1
With, display layer 3 is clipped in the middle, no matter which direction stress is all distributed to entire layer；But the intensity of metal backing 4 is limited
, stress is easily bent, and dispersion effect does not have semi-tempered glass layer 1 good.By using reticular supporting structure 5 further dispersion by
Power can play better effect.That is, in terms of the back side, the overall effect of metal backing 4 plus reticular supporting structure 5, phase
When in the effect of positive semi-tempered glass layer 1.
In the base for forming integral structure by semi-tempered glass layer 1, touch control layer 2, display layer 3 and metal backing 4 as described above
On plinth, the intensity for the complex protection structure which forms with reticular supporting structure 5 is further promoted.Fig. 6 is this practicality
A kind of stress exploded view of the display equipment of novel embodiment.As shown, the surface stress of display equipment passes through half steel
Change glassy layer 1, metal backing 4, reticular supporting structure 5 to be decomposed layer by layer.Through measuring, the surface compression of the complex protection structure
Stress is between 220MPa to 360MPa；Compression strength is under the conditions of failing probability 1% between 140MPa to 290MPa.With
The case where above-mentioned integral structure, is compared, and either surface compression stress or compression strength further get a promotion.
Rupture pressure disc 9
Optionally, the upper surface of semi-tempered glass layer 1 is provided with rupture pressure disc, is used for buffering collision of closed, prevent from hitting and cause
The broken of glass disperses, and avoids the panel explosion of display equipment, the case hardness of panel in addition also can be improved, avoid panel because hard
Object portrays generation cut.
Fig. 7 is the layer structure schematic diagram of the display equipment of the another embodiment of the utility model.As shown in fig. 7,
The upper surface of semi-tempered glass layer 1 is provided with rupture pressure disc 9.Preferably, which is a nanometer rupture pressure disc, is had more preferably
Cushioning effect and explosion-proof effect.
The above embodiment of display equipment according to the present utility model, the intensity of equipment entirety is high, can bear to come from
Positive pressure and impact.In one embodiment, the display equipment of the utility model can be set to general horizontal
State is suitble to tolerance to intersect the load in direction with its panel.
Digitize desk
Another aspect according to the present utility model provides a kind of digitlization desk comprising equipment is shown as described above,
A part of the panel of the display equipment as the support surface of the digitlization desk.
Digitlization desk will show that equipment is embedded into table top, and teaching or study, reading content are shown by display equipment.
More specifically, the digitlization desk can be digital copy support, for show the copying objects such as copybook, rubbings, drawing for
It copies at family.When mounted, show that the part other than reticular supporting structure 5 of equipment can be solid by reticular supporting structure 5
Due to the ontology of digitlization desk.Display equipment after installation is in the state of general horizontal, is resistant to the screen with its display screen
Intersect the load in direction, such as pressing, impact etc. above display screen in face.
As an implementation, reticular supporting structure 5 can be fixed with support of the display equipment on digitlization desk
Structure forms one.Fig. 8 is a kind of schematic diagram of the installation condition of the display equipment of embodiment of the utility model.For example,
As shown in figure 8, display equipment slave the part 10 of semi-tempered glass layer 1 to metal backing 4 (and circuit board cover sheet 7)
It is fixed by a kind of border structure 11 and is supported in the hole or sunk part that are opened up corresponding to display equipment on digitlization desk
At (not shown), and reticular supporting structure 5 can form one with the border structure 11.That is, reticular supporting structure 5 and the frame
Structure 11 is equivalent to form a container, will be from semi-tempered glass layer 1 to metal backing 4 (and circuit board cover sheet 7)
It is partially contained in the container.In other words, it is somebody's turn to do " container " to be fixed on digitlization desk, be carried on the back from semi-tempered glass layer 1 to metal
The part 10 of plate 4 (and circuit board cover sheet 7) is then mounted in and is somebody's turn to do in " container ".
It should be noted that the concrete structure of the various pieces of border structure 11 shown in fig. 8 and the utility model without
It closes, therefore unspecified.Especially, border structure 11 as shown in the figure has various pieces, but they are by not showing in figure
What the structure gone out was connected together such as screw.
According to the explanation of embodiment of above, this application provides following technical solutions.
1, a kind of display equipment, which is characterized in that including semi-tempered glass layer, touch control layer, display layer and metal backing, institute
State the lower section that touch control layer, the display layer and the metal backing are successively set on the semi-tempered glass layer.
2, display equipment according to technical solution 1, which is characterized in that the touch control layer direct plating is in the half tempered
On the lower surface of glassy layer.
3, the display equipment according to technical solution 1 or 2, which is characterized in that the semi-tempered glass layer, touch control layer,
Display layer and metal backing are formed as an integrated structure.
4, display equipment according to technical solution 3, which is characterized in that the surface compression stress of the integral structure is
Between 180MPa to 330MPa.
5, the display equipment according to technical solution 3 or 4, which is characterized in that the compression strength of the integral structure exists
Under the conditions of failure probability 1% between 120MPa to 245MPa.
6, the display equipment according to one of technical solution 1-5, which is characterized in that set below the metal backing
It is equipped with reticular supporting structure.
7, the display equipment according to technical solution 6, which is characterized in that by the integral structure and the mesh-supported
The surface compression stress for the composite construction that structure is formed is between 220MPa to 360MPa.
8, the display equipment according to technical solution 6 or 7, which is characterized in that by the integral structure and described netted
The compression strength for the composite construction that support construction is formed is under the conditions of failing probability 1% between 140MPa to 290MPa.
9, the display equipment according to one of technical solution 1-8, which is characterized in that further include：
Control circuit board is set to the back side of the metal backing for controlling the display layer；
Circuit board cover sheet, for protecting the control circuit board.
10, the display equipment according to technical solution 9, which is characterized in that the circuit board cover sheet and the gold
Belong to backboard connection, and is protruded from the back side of the metal backing.
11, the display equipment according to one of technical solution 1-10, which is characterized in that in the semi-tempered glass layer
Upper surface is provided with rupture pressure disc.
12, the display equipment according to technical solution 11, which is characterized in that the rupture pressure disc is a nanometer rupture pressure disc.
13, the display equipment according to one of technical solution 1-12, which is characterized in that the display equipment is arranged to
The state of general horizontal is suitble to tolerance to intersect the load in direction with its panel.
14, a kind of digitlization desk, which is characterized in that include the display equipment as described in one of technical solution 1-13, institute
State a part of the panel of display equipment as the support surface for digitizing desk.
15, a kind of digitlization desk, which is characterized in that include the display equipment as described in one of technical solution 6-13, institute
State a part of the panel of display equipment as the support surface for digitizing desk, wherein the display equipment removes institute
State the ontology that the part except reticular supporting structure is fixed in the digitlization desk by the reticular supporting structure.
16, the digitlization desk according to technical solution 15, which is characterized in that the display equipment passes through border structure
It is fixed in the ontology of the digitlization desk, the reticular supporting structure forms one with the border structure.
Finally, it is to be noted that, term " comprising " is intended to non-exclusive inclusion, so that including a system
The equipment of row element includes not only those elements, but also includes other elements that are not explicitly listed, or further include for
The intrinsic element of this equipment.
Although the embodiment of the utility model is described in detail in conjunction with attached drawing above, it is to be understood that being retouched above
The embodiment stated is only intended to illustrate the utility model, and does not constitute limitations of the present invention.For this field
For technical staff, the above embodiment can be made various changes and modifications without departing from the utility model essence and
Range.Therefore, the scope of the utility model is only limited by appended technical solution and its equivalents.
Claims (15)
1. a kind of display equipment, which is characterized in that described to touch including semi-tempered glass layer, touch control layer, display layer and metal backing
Control layer, the display layer and the metal backing are successively set on the lower section of the semi-tempered glass layer；The touch control layer is direct
It is plated on the lower surface of the semi-tempered glass layer.
2. display equipment according to claim 1, which is characterized in that the semi-tempered glass layer, touch control layer, display layer and
Metal backing is formed as an integrated structure.
3. display equipment according to claim 2, which is characterized in that the surface compression stress of the integral structure is
Between 180MPa to 330MPa.
4. display equipment according to claim 2, which is characterized in that the compression strength of the integral structure is in failure probability
Under the conditions of 1% between 120MPa to 245MPa.
5. display equipment according to claim 2, which is characterized in that be provided with netted branch below the metal backing
Support structure.
6. display equipment according to claim 5, which is characterized in that by the integral structure and the reticular supporting structure
The surface compression stress of the composite construction of formation is between 220MPa to 360MPa.
7. display equipment according to claim 5, which is characterized in that by the integral structure and the reticular supporting structure
The compression strength of the composite construction of formation is under the conditions of failing probability 1% between 140MPa to 290MPa.
8. display equipment according to claim 1, which is characterized in that further include：
Control circuit board is set to the back side of the metal backing for controlling the display layer；
Circuit board cover sheet, for protecting the control circuit board.
9. display equipment according to claim 8, which is characterized in that the circuit board cover sheet and the metal backing
Connection, and protruded from the back side of the metal backing.
10. display equipment according to claim 1, which is characterized in that be arranged in the upper surface of the semi-tempered glass layer
There is rupture pressure disc.
11. display equipment according to claim 10, which is characterized in that the rupture pressure disc is a nanometer rupture pressure disc.
12. display equipment according to claim 1, which is characterized in that the display equipment is arranged to general horizontal
State is suitble to tolerance to intersect the load in direction with its panel.
13. a kind of digitlization desk, which is characterized in that including showing equipment as described in claim 1, the display equipment
A part of the panel as the support surface of the digitlization desk.
14. a kind of digitlization desk, which is characterized in that including showing equipment as claimed in claim 5, the display equipment
A part of the panel as the support surface of the digitlization desk, wherein the display equipment removes the mesh-supported knot
Part except structure is fixed in the ontology of the digitlization desk by the reticular supporting structure.
15. digitlization desk according to claim 14, which is characterized in that the display equipment is consolidated by border structure
Due to the ontology of the digitlization desk, the reticular supporting structure forms one with the border structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720925496.2U CN207946949U (en) | 2017-07-27 | 2017-07-27 | Show equipment and digitlization desk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720925496.2U CN207946949U (en) | 2017-07-27 | 2017-07-27 | Show equipment and digitlization desk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207946949U true CN207946949U (en) | 2018-10-09 |
Family
ID=63702765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720925496.2U Active CN207946949U (en) | 2017-07-27 | 2017-07-27 | Show equipment and digitlization desk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207946949U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021073185A1 (en) * | 2019-10-15 | 2021-04-22 | 华为技术有限公司 | Touch screen, electronic device, and display control method |
| RU2795259C1 (en) * | 2019-10-15 | 2023-05-02 | Хонор Дивайс Ко., Лтд. | Touch screen, electronic device and display control method |
-
2017
- 2017-07-27 CN CN201720925496.2U patent/CN207946949U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021073185A1 (en) * | 2019-10-15 | 2021-04-22 | 华为技术有限公司 | Touch screen, electronic device, and display control method |
| RU2795259C1 (en) * | 2019-10-15 | 2023-05-02 | Хонор Дивайс Ко., Лтд. | Touch screen, electronic device and display control method |
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