CN105653107A - Touch control device, electronic device and mobile phone - Google Patents
Touch control device, electronic device and mobile phone Download PDFInfo
- Publication number
- CN105653107A CN105653107A CN201511000223.9A CN201511000223A CN105653107A CN 105653107 A CN105653107 A CN 105653107A CN 201511000223 A CN201511000223 A CN 201511000223A CN 105653107 A CN105653107 A CN 105653107A
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- CN
- China
- Prior art keywords
- control device
- electrode layer
- shielding electrode
- system mainboard
- contactor control
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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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention relates to a touch control device, an electronic device and a mobile phone. The touch control device comprises a machine case, a system mainboard, a touch control driving integrated chip and a shielding electrode layer, wherein the system mainboard is arranged in the machine case; the touch control driving integrated chip is electrically connected with the system mainboard through a connector and is arranged on the first surface of the system mainboard; the shielding electrode layer is electrically connected with the system mainboard, and is arranged on the first surface of the machine case; and the touch control driving integrated chip loads shielding signals into the shielding electrode layer through the system mainboard. The touch control device can shield the back side interference caused by external factors on the touch control device; and a back side touch control function is also realized.
Description
Technical field
The present invention relates to a kind of contactor control device, electronic installation and mobile phone.
Background technology
Existing touch technology is mainly divided into external hanging type, InCell technology and OnCell technology. Namely external hanging type refers to that display screen and touch layer are what to separate, and touch layer is arranged on sheet glass or organic materials, then the glass or organic materials with touch layer are fitted to display screen surface. Although external hanging type touches control and meets the needs of people for touch controllable function, but because it is that the glass or organic materials with touch layer are fitted to display screen surface, adds thickness and the weight of display screen. InCell technology refers to be embedded in display screen by touch controllable function, and it needs the inside of the pixel on thin film transistor (TFT) array to embed touch sensing. OnCell technology then refers to and touch control layer is embedded between the color membrane substrates of LCD and polaroid. Comparing InCell, one layer of touch control layer that On-Cell is many, thickness has certain increase.
InCell technology is touched the function that control drives the integrated tactile control of integrated chip and driving, and touch-control sensing layer is for from holding structure. The schematic diagram of capacitive part change when being finger touch display screen in existing contactor control device framework please also refer to Fig. 1 and Fig. 2, Fig. 1, Fig. 2 is the equivalent-circuit diagram of Fig. 1. This framework comprises cover plate lens substrate 10, display screen module 11 and has the touch chip 12 of touch controllable function. When finger presses is when this cover plate lens substrate 10 surperficial, points and form electric capacity C between ground1, the electric capacity C formed between cover plate lens substrate 10 and display screen module 112, the extraneous background capacitance C that this contactor control device is formed3, the resistance R formed between cover plate lens substrate 10 and display screen module 11. Wherein, this electric capacity C2And C3Size depend on the material itself of this cover plate lens substrate 10 and this display screen module 11, it is not easy to change. This touch chip 12 by resistance R respectively with electric capacity C1��C2��C3Connect. As can be seen from Figure 1, when holding mobile phone, capacitive part adds electric capacity C1. Owing to this contactor control device is for from holding structure, touch chip 12 is not easy to detect the change of the capacitance of touch-control sensing layer, cause the sensitivity decrease touching control, and wrong report point frequently occurs.
Current existing InCell technology utilizes backlight module to serve as screen layer or add the screen layers such as aluminium foil at backlight module. When adopting backlight as screen layer, owing to backlight itself is not for shielding, so shield effectiveness is not good enough.And when display screen adopts superthin structure to design, backlight will save backboard, and remaining reflector plate cannot as screen layer. Now must stick on aluminium foil etc. at reflector plate to shield, cause the cost increase of reflector plate, and the shield effectiveness that reflector plate brings as screen layer is not good.
Summary of the invention
The object of the present invention aims to provide a kind of contactor control device, electronic installation and mobile phone, and this contactor control device can shield extraneous factor and be disturbed at the back side of contactor control device, thus improves and touch control sensitivity.
Specifically, the present invention provides a kind of contactor control device, and this contactor control device comprises:
Machine shell,
System mainboard, described system mainboard is divided into the first surface with the 2nd surface and to be arranged in machine shell;
Touching control and drive integrated chip, described tactile control drives integrated chip to be electrically connected by junctor and described system mainboard, and is arranged at the first surface of system mainboard; And
Shielding electrode layer, described shielding electrode layer and the electrical connection of described system mainboard, and it is arranged at the first surface of machine shell, described tactile control drives integrated chip to load shielded signal by system mainboard to shielding electrode layer.
Preferably, described shielding electrode layer flood is arranged at the first surface of described machine shell.
Preferably, the area of described shielding electrode layer and the area equation on described machine shell first surface.
Preferably, the edge of described machine shell arranges point of contact tinsel.
Preferably, described shielding electrode layer decile is divided into some guarded electrode bars, and guarded electrode bar described in each is connected by lead-in wire and point of contact tinsel.
Preferably, the 2nd surface of described system mainboard arranges metal pad point of contact, and described metal pad point of contact and point of contact tinsel connect.
Preferably, described shielding electrode layer is ITO conductive film or non-transparent conductive layer.
Preferably, described junctor is for flexibly connecting device.
On this basis, the present invention also provides a kind of electronic installation, and this electronic installation comprises contactor control device described above.
On this basis, the present invention also provides a kind of mobile phone, and this mobile phone comprises electronic installation described above.
Due to contactor control device, electronic installation and mobile phone that the embodiment of the present invention provides, in this contactor control device machine shell, shielding electrode layer is set, when external interference factor acts on the machine shell back side, such as hold the machine shell of contactor control device and increase the capacitance of touch-control sensing part, now touching control drives integrated chip to load shielded signal by system mainboard toward shielding electrode layer, shield this undesired signal to the interference of touch-control sensing layer, thus improve the sensitivity touching control.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to the technique means of the present invention can be better understood, and can be implemented according to the content of specification sheets, and in order to the above and other object of the present invention, feature and advantage can be become apparent, below especially exemplified by better embodiment, and coordinate accompanying drawing, it is described in detail as follows.
Accompanying drawing explanation
The schematic diagram of capacitive part change when Fig. 1 is finger touch display screen in existing contactor control device framework.
Fig. 2 is the equivalent-circuit diagram of Fig. 1.
Fig. 3 provides the floor map of a kind of contactor control device for the embodiment of the present invention.
Fig. 4 provides the sectional view of a kind of contactor control device for the embodiment of the present invention.
Connection diagram between the shielding electrode layer that Fig. 5 provides for the embodiment of the present invention and system mainboard.
Fig. 6 is the schematic diagram of capacitive part change when the embodiment of the present invention provides finger touch display screen in a kind of contactor control device.
Fig. 7 is the equivalent-circuit diagram of Fig. 6.
Fig. 8 is arranged at the schematic diagram of machine shell for shielding electrode layer that the embodiment of the present invention provides.
The schematic diagram of PCB trace in the system mainboard that Fig. 9 provides for the embodiment of the present invention.
Embodiment
Technique means and effect that predetermined object is taked is reached for further setting forth the present invention, below in conjunction with accompanying drawing and better embodiment, to the embodiment of a kind of contactor control device proposed according to the present invention, electronic installation and mobile phone, method, step, structure, feature and effect, it is described in detail as follows.
Aforementioned and other technology contents, Characteristic for the present invention, can clearly present in following cooperation illustrates in detail with reference to graphic better embodiment. By the explanation of embodiment, when can be reach technique means that predetermined object takes and effect is able to more deeply and concrete understanding to the present invention, but institute's accompanying drawings be only to provide with reference to the use with explanation, is not used for the present invention being limited.
Please also refer to Fig. 3 and Fig. 4, Fig. 3 for the embodiment of the present invention provides the floor map of a kind of contactor control device, Fig. 4 provides the sectional view of a kind of contactor control device for the embodiment of the present invention. This contactor control device comprises machine shell 50, system mainboard 60, touches control driving integrated chip 70 (as shown in Figure 6) and shielding electrode layer 80.
The present embodiment shielding electrode layer 80 is arranged at the first surface 50A of machine shell 50, it is preferable that, shielding electrode layer 80 is plated on the first surface 50A of machine shell 50, and shielding electrode layer 80 adopts ITO conductive film or non-transparent conductive layer.
The present embodiment system mainboard 60 is arranged in machine shell 50, is oppositely arranged with shielding electrode layer 80. First surface 60A of system mainboard 60 lays and touches control driving integrated chip 70, touches control and drives integrated chip 70 to be electrically connected by junctor 90 and system mainboard 60. Wherein, the junctor 90 of the present embodiment adopts and flexibly connects device.
Please refer to Fig. 5, the connection diagram between the shielding electrode layer that Fig. 5 provides for the embodiment of the present invention and system mainboard. The edge of machine shell 50 arranges point of contact tinsel 501, and the 2nd surface 60B of system mainboard 60 arranges metal pad point of contact 601, and metal pad point of contact 601 and point of contact tinsel 501 connect. Wherein, the present embodiment point of contact tinsel 501 adopts elastic sheet metal. When metal pad point of contact 601 and point of contact tinsel 501 connect, touch control and drive integrated chip 70 to load shielded signal by system mainboard 60 toward shielding electrode layer 80, shield this undesired signal to the interference of touch-control sensing layer, thus improve the sensitivity touching control. System mainboard 60 and shielding electrode layer 80 adopt point cantact mode, contribute to protective barrier electrode layer 80, and processing procedure is simple and reliable. Relative to employing welding or bonding mode of connection, it can damage shielding electrode layer 80, and operates trouble.
Please also refer to schematic diagram for capacitive part change when the embodiment of the present invention provides finger touch display screen in a kind of contactor control device of Fig. 6 and Fig. 7, Fig. 6, Fig. 7 is the equivalent-circuit diagram of Fig. 6. As shown in Figure 7, this capacitive part comprise point with ground between form electric capacity C1, the electric capacity C that formed between cover plate lens substrate 10 and display screen module 112And the background capacitance C that this contactor control device is formed by the external world3. Touching control drives the tactile control end of integrated chip 70 by R respectively and C2��C3Connect, electric capacity C1One end and touch control drive integrated chip 70 tactile control end connect, electric capacity C1The other end and touch control drive integrated chip 70 another touch control end connect.At this illustratively, touching control and drive integrated chip 70 to have 640 signal sources, this signal source comprises touching signals end and actuate signal end, and each signal source can independently export certain voltage signal. As shown in Figure 7, when tactile control drives integrated chip 70 to load shielded signal by system mainboard 60 toward shielding electrode layer 80, this shielded signal is substantially load on electric capacity C1A end, this shielded signal can for touch control drive integrated chip 70 produce touching signals or actuate signal. Wherein, the voltage magnitude of this shielded signal is equal with other touching signals, and the electric voltage frequency of this shielded signal can be inequal with other touching signals. Owing to loading on electric capacity C1The shielded signal of A end equal with the voltage of the touching signals of B end, therefore electric capacity C1The pressure reduction perseverance at two ends is zero, sees on the whole, can ignore electric capacity C1, can shield and point the impact on contactor control device, thus improve the sensitivity touching control.
In order to better shield effectiveness, shielding electrode layer 80 flood is arranged at the first surface 50A of machine shell 50, and the area equation on the area of shielding electrode layer 80 and machine shell 50 first surface. Shielding electrode layer 80 herein can the external interference signal at any place of screening housing 50.
Please refer to Fig. 8, Fig. 8 is arranged at the schematic diagram of machine shell for shielding electrode layer that the embodiment of the present invention provides. As shown in Figure 8, the present embodiment is arranged on the basis of the first surface 50A of machine shell 50 in shielding electrode layer 80 flood, shielding electrode layer 80 decile is divided into some guarded electrode bars 801, and every bar guarded electrode bar 801 is connected by lead-in wire and point of contact tinsel 501. Please refer to Fig. 9, the schematic diagram of PCB trace in the system mainboard that Fig. 9 provides for the embodiment of the present invention. As shown in Figure 9, PCB trace is arranged at system mainboard 60, and in PCB trace every bar to walk line all corresponding with the lead-in wire of every bar guarded electrode bar 801. 2nd surface 60B of system mainboard 60 arranges metal pad point of contact 601, and metal pad point of contact 601 and point of contact tinsel 501 connect. When metal pad point of contact 601 and point of contact tinsel 501 connect, touch control and drive integrated chip 70 to load touching signals by system mainboard 60 toward shielding electrode layer 80. Therefore, the present invention is possible not only to the undesired signal at the screening housing back side, it is also possible to realize some simple touch controllable functions. Such as, when holding this contactor control device, touching control and drive integrated chip 70 to scan touch signal, thus light whole screen, therefore, operator only needs to touch the back side of contactor control device, can light whole screen.
The present invention also provides a kind of electronic installation, and as shown in Figure 3 and Figure 4, this electronic installation comprises machine shell 50, system mainboard 60, touches control driving integrated chip 70 and shielding electrode layer 80.
The present embodiment shielding electrode layer 80 is arranged at the first surface 50A of machine shell 50, it is preferable that, shielding electrode layer 80 is plated on the first surface 50A of machine shell 50, and shielding electrode layer 80 adopts ITO conductive film or non-transparent conductive layer.
The present embodiment system mainboard 60 is arranged in machine shell 50, is oppositely arranged with shielding electrode layer 80. First surface 60A of system mainboard 60 lays and touches control driving integrated chip 70, touches control and drives integrated chip 70 to be electrically connected by junctor 90 and system mainboard 60. Wherein, the junctor 90 of the present embodiment adopts and flexibly connects device.
As shown in Figure 5, the edge of machine shell 50 arranges point of contact tinsel 501, and the 2nd surface 60B of system mainboard 60 arranges metal pad point of contact 601, and metal pad point of contact 601 and point of contact tinsel 501 connect.Wherein, the present embodiment point of contact tinsel 501 adopts elastic sheet metal. When metal pad point of contact 601 and point of contact tinsel 501 connect, touch control and drive integrated chip 70 to load shielded signal by system mainboard 60 toward shielding electrode layer 80, shield this undesired signal to the interference of touch-control sensing layer, thus improve the sensitivity touching control. System mainboard 60 and shielding electrode layer 80 adopt point cantact mode, contribute to protective barrier electrode layer 80, and processing procedure is simple and reliable. Relative to employing welding or bonding mode of connection, it can damage shielding electrode layer 80, and operates trouble.
The present invention also provides a kind of mobile phone, and as shown in Figure 3 and Figure 4, this mobile phone comprises machine shell 50, system mainboard 60, touches control driving integrated chip 70 and shielding electrode layer 80.
The present embodiment shielding electrode layer 80 is arranged at the first surface 50A of machine shell 50, it is preferable that, shielding electrode layer 80 is plated on the first surface 50A of machine shell 50, and shielding electrode layer 80 adopts ITO conductive film or non-transparent conductive layer.
The present embodiment system mainboard 60 is arranged in machine shell 50, is oppositely arranged with shielding electrode layer 80. First surface 60A of system mainboard 60 lays and touches control driving integrated chip 70, touches control and drives integrated chip 70 to be electrically connected by junctor 90 and system mainboard 60. Wherein, the junctor 90 of the present embodiment adopts and flexibly connects device.
As shown in Figure 5, the edge of machine shell 50 arranges point of contact tinsel 501, and the 2nd surface 60B of system mainboard 60 arranges metal pad point of contact 601, and metal pad point of contact 601 and point of contact tinsel 501 connect. Wherein, the present embodiment point of contact tinsel 501 adopts elastic sheet metal. When metal pad point of contact 601 and point of contact tinsel 501 connect, touch control and drive integrated chip 70 to load shielded signal by system mainboard 60 toward shielding electrode layer 80, shield this undesired signal to the interference of touch-control sensing layer, thus improve the sensitivity touching control. System mainboard 60 and shielding electrode layer 80 adopt point cantact mode, contribute to protective barrier electrode layer 80, and processing procedure is simple and reliable. Relative to employing welding or bonding mode of connection, it can damage shielding electrode layer 80, and operates trouble.
The above, it it is only the better embodiment of invention, not the present invention is done any restriction in form, although the present invention discloses as above with better embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or it is modified to the equivalent embodiment of equivalent variations, in every case it is do not depart from technical solution of the present invention content, the any simple modification above embodiment done according to the technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. a contactor control device, it is characterised in that, comprising:
Machine shell,
System mainboard, described system mainboard is divided into the first surface with the 2nd surface and to be arranged in machine shell;
Touching control and drive integrated chip, described tactile control drives integrated chip to be electrically connected by junctor and described system mainboard, and is arranged at the first surface of system mainboard; And
Shielding electrode layer, described shielding electrode layer and the electrical connection of described system mainboard, and it is arranged at the first surface of machine shell, described tactile control drives integrated chip to load shielded signal by system mainboard to shielding electrode layer.
2. contactor control device according to claim 1, it is characterised in that, described shielding electrode layer flood is arranged at the first surface of described machine shell.
3. contactor control device according to claim 2, it is characterised in that, the area of described shielding electrode layer and the area equation on described machine shell first surface.
4. contactor control device according to claim 2, it is characterised in that, the edge of described machine shell arranges point of contact tinsel.
5. contactor control device according to claim 4, it is characterised in that, described shielding electrode layer decile is divided into some guarded electrode bars, and guarded electrode bar described in each is connected by lead-in wire and point of contact tinsel.
6. contactor control device according to claim 5, it is characterised in that, the 2nd surface of described system mainboard arranges metal pad point of contact, and described metal pad point of contact and point of contact tinsel connect.
7. contactor control device according to claim 1, it is characterised in that, described shielding electrode layer is ITO conductive film or non-transparent conductive layer.
8. contactor control device according to claim 1, it is characterised in that, described junctor is for flexibly connecting device.
9. an electronic installation, it is characterised in that, comprise as arbitrary in claim 1 to 8 as described in contactor control device.
10. a mobile phone, it is characterised in that, comprise electronic installation as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511000223.9A CN105653107B (en) | 2015-12-28 | 2015-12-28 | Touch device, electronic device and mobile phone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511000223.9A CN105653107B (en) | 2015-12-28 | 2015-12-28 | Touch device, electronic device and mobile phone |
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| CN105653107A true CN105653107A (en) | 2016-06-08 |
| CN105653107B CN105653107B (en) | 2020-09-01 |
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| CN105653107B (en) | 2020-09-01 |
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