CN210895387U - Infrared control device of touch screen - Google Patents
Infrared control device of touch screen Download PDFInfo
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- CN210895387U CN210895387U CN201921570055.0U CN201921570055U CN210895387U CN 210895387 U CN210895387 U CN 210895387U CN 201921570055 U CN201921570055 U CN 201921570055U CN 210895387 U CN210895387 U CN 210895387U
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- infrared
- touch screen
- touch
- screen
- control device
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- 239000011521 glass Substances 0.000 claims abstract description 47
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 35
- 229910052709 silver Inorganic materials 0.000 claims description 35
- 239000004332 silver Substances 0.000 claims description 35
- 239000000758 substrate Substances 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 25
- 238000007650 screen-printing Methods 0.000 claims description 25
- 230000006698 induction Effects 0.000 claims description 15
- 230000004888 barrier function Effects 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 2
- 238000010408 sweeping Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 58
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
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- 229920000742 Cotton Polymers 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000008054 signal transmission Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides an infrared control device of touch-sensitive screen, touch-sensitive screen (1) includes: glass apron (11), touch-sensitive unit (13) include: the infrared sensing elements (136) are distributed along the inner side of one side of the touch screen (1) and comprise a plurality of groups of infrared transmitting and infrared receiving elements, signals of the infrared sensing elements (136) are connected to the main control board, and infrared light emitted by the infrared sensing elements (136) in the oblique upper direction is emitted to penetrate through the side wall of the glass cover plate (11) to be emitted onto the touch screen (1). The infrared light emitted by the infrared emitting element is reflected back to the infrared receiving element, when the screen is closed, the screen is automatically lightened, and when the screen is lightened, the sweeping direction is judged by the sequence of shielding the infrared light in sequence, so that the adjustment operation is controlled.
Description
Technical Field
The utility model belongs to the technical field of the touch-sensitive screen, mainly relate to an infrared control device of touch-sensitive screen.
Background
With the progress of science and technology, the touch screen display technology is more and more commonly applied to daily life of people, for example, when the vehicle-mounted touch screen is applied to an automobile central control platform, the volume or the air conditioner and other operations can be adjusted, and the application of the vehicle-mounted touch screen has the following defects: 1) the traditional physical button can realize blind operation, the operation of the touch screen requires a driver to look at the screen, so that the driving danger is increased, and if the physical button is added on the touch screen, the advantages of the touch screen cannot be displayed; 2) if the touch screen is too sensitive to react, misoperation can be easily caused, misoperation can be reduced by increasing pressure induction, and the pressure induction element and the circuit need reasonable design.
Common touch screen displays in the market have poor structural sealing performance, dust and fog easily enter the structure, and the vibration caused by external factors cannot be reduced to the maximum extent when a flat plate is placed; the capacitive touch screen is a multilayer composite glass screen, the inner surface and the interlayer of the glass screen are respectively coated with a layer of ITO, the capacitive touch screen divides the screen into blocks, the touch conditions of all areas are independently detected, and the touch is processed to realize touch control.
Common touch-sensitive screen response unit need shelter from the inside line of walking of glass screen, and the method is, sets up function piece response touch position on glass substrate, and the signal that the function piece sensed is led out through the silk screen printing silver thick liquid that sets up at glass substrate's edge and is connected to FPC on, and the winding displacement that prints on FPC can block the silk screen printing silver thick liquid with signal transmission mainboard, and the shading printing ink of glass apron spraying all around can not see in the outward appearance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an infrared control device of touch-sensitive screen, need look at the time of screen when can reducing the driver operation through infrared control.
An infrared control device of a touch screen, the touch screen (1) comprising: glass apron (11), touch-sensitive unit (13) include: the infrared sensing elements (136) are distributed along the inner side of one side of the touch screen (1) and comprise a plurality of groups of infrared transmitting and infrared receiving elements, signals of the infrared sensing elements (136) are connected to the main control board, and infrared light emitted by the infrared sensing elements (136) in the oblique upper direction is emitted to penetrate through the side wall of the glass cover plate (11) to be emitted onto the touch screen (1). The infrared light emitted by the infrared emitting element is reflected back to the infrared receiving element, when the screen is closed, the screen is automatically lightened, and when the screen is lightened, the sweeping direction is judged by the sequence of shielding the infrared light in sequence, so that the adjustment operation is controlled.
Further, the infrared control device of touch-sensitive screen still includes: glass substrate (131), infrared sensing element silk screen printing silver thick liquid wire (137), infrared sensing element (136) set up in glass substrate (131) top, set up infrared sensing element silk screen printing silver thick liquid wire (137) on glass substrate (131) under infrared sensing element (136), and every infrared emission of group and infrared receiving element correspond and connect a silk screen printing silver thick liquid wire to introduce the pressfitting position of FPC (17) with the wire.
Further, according to the infrared control device of the touch screen, each group of infrared transmitting elements and each group of infrared receiving elements are separated by adopting a light barrier (1361).
Further, according to the infrared control device of the touch screen, the height of the infrared sensing element (136) is smaller than that of the glass cover plate (11), and the infrared sensing element (136) is hidden in the frame of the upper cover (2) through the upper cover (2).
Further, according to the infrared control device of the touch screen, the size of the glass cover plate (11) is smaller than that of the glass substrate (131) of the touch sensing unit (13).
Further, the infrared control device of the touch screen, the touch sensing unit (13) further includes: go up transparent conductive layer (132), lower transparent conductive layer (133), go up transparent conductive layer silk screen printing silver thick liquid wire (134), transparent conductive layer silk screen printing silver thick liquid wire (135) down, infrared induction component silk screen printing silver thick liquid wire (137) are all printed on the surface edge of glass substrate (131), and transparent conductive layer (132), transparent conductive layer (133), infrared induction component (136) are connected respectively to one end, and the pressfitting position that the other end was connected to FPC (17) is concentrated, connects the main control board through a slice FPC.
Further, the infrared control device of touch-sensitive screen, touch-sensitive screen (1) still includes: go up elastic layer (12), elastic layer (14), forced induction layer (15), display element (16) down, glass apron (11) and display element (16) size all are less than glass substrate (131) of touch-sensitive unit (13), and the space that vacates all around glass substrate (131) top is used for bonding elastic layer (12) and upper cover (2), and the space that vacates all around the below is used for bonding elastic layer (14) and forced induction layer (15) down.
Further, the upper elastic layer (12) and the lower elastic layer (14) can be made of foam.
The utility model has the advantages that, through setting up the illumination and the regulation operation that multiunit infrared emission and receiving element can the intelligent control touch-sensitive screen, reduce the time that the driver looked at the screen, make things convenient for the blind operation of driver.
Drawings
Fig. 1 is a schematic structural diagram of a touch screen tablet computer;
FIG. 2 is an exploded view of a touch screen tablet computer;
fig. 3 is a schematic structural diagram of a touch screen of a tablet computer;
fig. 4 is an exploded view of a touch screen of a tablet computer;
FIG. 5 is a schematic diagram of a touch sensing unit of a touch panel;
FIG. 6 is a schematic diagram of a touch sensing unit and an infrared control circuit of a touch screen;
FIG. 7 is an exploded view of a touch sensing unit of a touch screen;
FIG. 8 is a schematic diagram of a touch screen tablet PC FPC;
FIG. 9 is a schematic diagram of pressing an FPC inside a touch screen tablet computer;
FIG. 10 is a schematic diagram of FPC wiring inside a touch screen tablet computer;
in the figure: the touch screen comprises a touch screen (1), an upper cover (2), a base (3), an FPC access notch (31), a glass cover plate (11), an upper elastic layer (12), a touch sensing unit (13), a lower elastic layer (14), a pressure sensing layer (15), a display unit (16), a glass substrate (131), an upper transparent conductive layer (132), a lower transparent conductive layer (133), an infrared sensing element (136), an FPC (17), an upper transparent conductive layer silk-screen silver paste lead (134), a lower transparent conductive layer silk-screen silver paste lead (135), an infrared sensing element silk-screen silver paste lead (137), a first pressing part (171), a first lead part (172), a second lead part (173), a second pressing part (174), a third lead part (175), a connecting part (176), a third pressing part (177), a fourth lead part (178), a plug-in part (179) and a light barrier (1361).
Detailed Description
The present invention will be further described with reference to the accompanying drawings so as to facilitate the understanding of the present invention by those skilled in the art.
As shown in fig. 1 and 2, a touch screen tablet computer includes: touch-sensitive screen (1), upper cover (2), base (3), be the display area in the middle of the touch-sensitive screen, be non-display area all around, upper cover (2) shelter from non-display area, include one FPC access breach (31) on base (3), conveniently insert FPC (17) of touch-sensitive screen (1) on installing the main control board within base (3), the thickness of base (3) wall all around is greater than the thickness of upper cover (1) wall all around, touch-sensitive screen (1) pressure is on the wall all around of base (3), the space that base (3) lower part vacates is used for installing main control board and other components.
As shown in fig. 3 and 4, the touch screen (1) of the tablet computer shown in fig. 1 and 2 comprises: glass apron (11), last elastic layer (12), touch-sensitive unit (13), elastic layer (14), forced induction layer (15), display element (16), FPC (17) down, glass apron (11) and display element (16) all are less than touch-sensitive unit (13), and the space that the top was vacated all around is used for bonding elastic layer (12) and upper cover (2), and the space that the below was vacated all around is used for bonding elastic layer (14) and forced induction layer (15) down, and forced induction layer (15) are pressed on the wall of four sides of base (3), it can use the bubble cotton to go up elastic layer (12) and elastic layer (14) down.
As shown in fig. 5, a touch sensing unit (13) of a touch screen includes: glass substrate (131), go up transparent conducting layer (132), lower transparent conducting layer (133), FPC (17), go up transparent conducting layer silk screen printing silver thick liquid wire (134), lower transparent conducting layer silk screen printing silver thick liquid wire (135), go up transparent conducting layer (132) and can be ITO coating spraying at the upper surface of glass substrate (131), also can be ITO conductive film bonds at the upper surface of glass substrate (131), lower transparent conducting layer (133) is vice versa, only set up the lower surface at glass substrate (131), go up transparent conducting layer (132) and set up X respectively on transparent conducting layer (133) to and Y to electrically conductive induction zone (be shown in the figure violently, the region of vertical line separation, the naked eye is hardly visible), set up transparent conducting layer silk screen printing wire (134) and lower transparent conducting silver thick liquid wire (134) respectively at the upper surface edge of glass substrate (131) to X on transparent conducting layer (132) and lower transparent conducting layer (133) to electrically conductive induction zone to and Y to The terminal of each conducting wire is connected to each conductive sensing area, the other end of each conducting wire is connected to the pressing position of the FPC (17) in a centralized mode, the silk-screen silver paste is visible, so that one side, connected with the silk-screen silver paste, of the upper transparent conducting layer (132) and the lower transparent conducting layer (133) extends out of the glass cover plate (11) and into the upper elastic layer (12) or the upper cover (2), all the silk-screen silver paste is shielded by the upper cover (2), and ink does not need to be sprayed on the periphery of the cover plate (11).
As shown in fig. 6 and 7, a touch sensing unit and an infrared control circuit of a touch screen are provided, which includes: glass substrate (131), last transparent conducting layer (132), lower transparent conducting layer (133), infrared sensing component (136), last transparent conducting layer silk screen printing silver thick liquid wire (134), lower transparent conducting layer silk screen printing silver thick liquid wire (135), infrared sensing component silk screen printing silver thick liquid wire (137), the setting of glass substrate (131), last transparent conducting layer (132), lower transparent conducting layer (133), last transparent conducting layer silk screen printing silver thick liquid wire (134), lower transparent conducting layer silk screen printing silver thick liquid wire (135) is unanimous in figure 5, infrared sensing component (136) set up in not having one side (violently, the perpendicular all can) of last transparent conducting layer silk screen printing silver thick liquid wire (134) and lower transparent conducting layer silk screen printing silver liquid wire (135), correspond in the figure and set up the inboard edge in the below of panel computer in figure 1, set up infrared sensing component silk screen printing silver liquid wire (137) on glass substrate (131), the lead is led into the pressing position of the FPC (17), a plurality of groups of infrared transmitting and infrared receiving elements are distributed on the infrared sensing element (136) along one side of the touch screen, light barriers (1361) are adopted between each group of elements to separate the elements from each other, the infrared sensing element (136) obliquely transmits infrared light upwards, the infrared transmitting and infrared receiving elements have the functions that when a human hand moves to the upper part of the screen, the infrared light is shielded, the infrared light is reflected to the infrared receiving element, the infrared receiving element transmits a signal to the main control board through the infrared sensing element silk-screen silver paste lead (137) and the FPC (17), the following operation can be executed, when the screen is closed, the screen is automatically lightened, a user can click the screen to operate, when the user sweeps a plurality of infrared lights, the operation of controlling volume, air conditioning and the like to be increased or reduced is executed by judging the sweeping direction, so that physical buttons are not increased, and the operation is finished without looking at the screen for a long time, so that the touch screen is convenient to apply to the fields of vehicle-mounted touch screens and the like.
As shown in fig. 8, 9 and 10, an FPC for a touch screen tablet computer and a connection method thereof, the FPC (17) includes: the first pressing part (171), the first lead part (172), the second lead part (173), the second pressing part (174), the third lead part (175), the connecting part (176), the third pressing part (177), the fourth lead part (178) and the inserting part (179), wherein the first pressing part (171) is pressed on the upper surface of the glass substrate (131) and is used for connecting the upper transparent conductive layer silk-screen silver paste lead (134) and the infrared sensing element silk-screen silver paste lead (137), the second pressing part (174) is pressed on the lower surface of the glass substrate (131) and is used for connecting the lower transparent conductive layer silk-screen silver paste lead (135), the third pressing part (177) is pressed on the lower part of the pressure sensing layer (15) and is used for transmitting pressure signals, and the first lead part (172), the second lead part (173), the third lead part (175) and the fourth lead part (178) are used for connecting a circuit to the connecting part (176) and then to the inserting part (179), the insertion part (179) is folded into the base (3) and is connected with the main control board.
The above embodiments are only used for illustrating the specific embodiments of the present invention, and are not used for limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An infrared control device of a touch screen, characterized in that the touch screen (1) comprises: glass apron (11), touch-sensitive unit (13) include: the infrared sensing elements (136) are distributed along the inner side of one side of the touch screen (1) and comprise a plurality of groups of infrared transmitting and infrared receiving elements, signals of the infrared sensing elements (136) are connected to the main control board, and infrared light emitted by the infrared sensing elements (136) in the oblique upper direction is emitted to penetrate through the side wall of the glass cover plate (11) to be emitted onto the touch screen (1).
2. The infrared control device of the touch screen as claimed in claim 1, further comprising: glass substrate (131), infrared sensing element silk screen printing silver thick liquid wire (137), infrared sensing element (136) set up in glass substrate (131) top, set up infrared sensing element silk screen printing silver thick liquid wire (137) on glass substrate (131) under infrared sensing element (136), and every infrared emission of group and infrared receiving element correspond and connect a silk screen printing silver thick liquid wire to introduce the pressfitting position of FPC (17) with the wire.
3. The infrared control device of a touch screen according to claim 1, characterized in that each group of infrared emitting and infrared receiving elements is separated by a light barrier (1361).
4. The infrared control device of a touch screen according to claim 1, characterized in that the infrared sensing element (136) is shorter than the glass cover plate (11), and the infrared sensing element (136) is hidden by the upper cover (2) within the frame of the upper cover (2).
5. The infrared control device of a touch screen is characterized in that the size of the glass cover plate (11) is smaller than that of the glass substrate (131) of the touch sensing unit (13).
6. The infrared control device of a touch screen according to claim 2, wherein the touch sensing unit (13) further comprises: go up transparent conductive layer (132), lower transparent conductive layer (133), go up transparent conductive layer silk screen printing silver thick liquid wire (134), transparent conductive layer silk screen printing silver thick liquid wire (135) down, infrared induction component silk screen printing silver thick liquid wire (137) are all printed on the surface edge of glass substrate (131), and transparent conductive layer (132), transparent conductive layer (133), infrared induction component (136) are connected respectively to one end, and the pressfitting position that the other end was connected to FPC (17) is concentrated, connects the main control board through a slice FPC.
7. The infrared control device of a touch screen according to claim 1, characterized in that the touch screen (1) further comprises: go up elastic layer (12), elastic layer (14), forced induction layer (15), display element (16) down, glass apron (11) and display element (16) size all are less than glass substrate (131) of touch-sensitive unit (13), and the space that vacates all around glass substrate (131) top is used for bonding elastic layer (12) and upper cover (2), and the space that vacates all around the below is used for bonding elastic layer (14) and forced induction layer (15) down.
8. The infrared control device of a touch screen is characterized in that the upper elastic layer (12) and the lower elastic layer (14) are made of foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921570055.0U CN210895387U (en) | 2019-09-20 | 2019-09-20 | Infrared control device of touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921570055.0U CN210895387U (en) | 2019-09-20 | 2019-09-20 | Infrared control device of touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210895387U true CN210895387U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921570055.0U Expired - Fee Related CN210895387U (en) | 2019-09-20 | 2019-09-20 | Infrared control device of touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210895387U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112486352A (en) * | 2020-11-27 | 2021-03-12 | Tcl华星光电技术有限公司 | Touch control display panel |
-
2019
- 2019-09-20 CN CN201921570055.0U patent/CN210895387U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112486352A (en) * | 2020-11-27 | 2021-03-12 | Tcl华星光电技术有限公司 | Touch control display panel |
| CN112486352B (en) * | 2020-11-27 | 2022-07-12 | Tcl华星光电技术有限公司 | Touch control display panel |
| US11703981B2 (en) | 2020-11-27 | 2023-07-18 | Tcl China Star Optoelectronics Technology Co., Ltd. | Touch display panel |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20200630 |