CN202145300U - Touch-control module assembly and display structure adopting same - Google Patents
Touch-control module assembly and display structure adopting same Download PDFInfo
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- CN202145300U CN202145300U CN201120087134U CN201120087134U CN202145300U CN 202145300 U CN202145300 U CN 202145300U CN 201120087134 U CN201120087134 U CN 201120087134U CN 201120087134 U CN201120087134 U CN 201120087134U CN 202145300 U CN202145300 U CN 202145300U
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Abstract
The utility model provides a touch-control module assembly and a display structure adopting the same. The touch-control module assembly (10) comprises at least one long-shaft light source module (13) and at least one optical sensor (11) which are fixedly connected; the light source modules are perpendicular to light emitted axially, and the light emitted by the light source modules forms a light projection surface; and the optical sensors are arranged at the axial ends of the light source modules and can shoot light-proof objects around the light projection surface. The touch-control module assembly can be arranged in a display structure so as to achieve the touch control purposes, and has the advantages of accurate touch control detection, low error rate and low cost.
Description
Technical field
The utility model is the display device structure about a kind of touch-control module assembly and use thereof, particularly about the display device structure of employed touch-control module assembly of a kind of flat-panel screens and use thereof.
Background technology
In recent years, because the manufacturing cost of flat-panel screens significantly reduces, so flat-panel screens becomes family's TV and the computing machine main flow with screen gradually.In addition, (Cathode Ray Tube, TV CRT) are light more, thin because flat-panel screens is used cathode-ray tube (CRT) more traditionally; Therefore; At the train station, public place such as hospital, convenience store or cinema, can find increasing flat-panel screens, this flat-panel screens not only can be used for show message; The purpose that also can be used for advertisement, coml is used and can be said so more and more widely.
Along with people's becomes more diverse to electronic equipment or the requirement of flat-panel screens on function, and what its relevant science and technology research and development, manufacturing technology were also followed makes rapid progress.For example, the demand of Touch Screen (Touch Screen) can let people's handled easily computing machine, mobile phone, sound equipment, refrigerator or other electronic equipment.Push control mode by screen display and screen, people can give up complicated keyboard, button operation, and the interface of clear pattern that indicates of screen and hommization can reach the purpose that shows with touch control operation simultaneously.
Large touch screen (generally speaking being large scale greater than 10.1 inches) replaces traditional resistance-type and condenser type with optical touch control gradually at present.And the required assembly of the touch-control module of optical profile type is more, is difficult for reaching the requirement of slimming; And if will overcome " contact point overlapping " or " dead detecting angle " problem of multi-point touch with " triangulation location " commonly used; Then need rely on the microcontroller or the computing chip of a plurality of optical sensors (can be video camera, camera) and higher level; Could calculate touch point accurately, avoid judging by accident the touch point that people push; Therefore the cost of Touch Screen is higher.
Therefore, how will reduce the manufacturing cost of the display device structure of optical touch function, and overcome the shortcoming of " triangulation location " simultaneously, this is that present prior art is beyond one's reach.
Summary of the invention
The utility model fundamental purpose is to reduce the manufacturing cost of display device structure and touch-control module assembly.
Another purpose of the utility model is in " contact point overlapping " or " dead detecting angle " problem of " triangulation location " that overcome optical touch control.
In order to reach above-mentioned purpose; The utility model provides a kind of this touch-control module assembly; It comprises at least one lamp source module and at least one optical sensor, and lamp source module and optical sensor are fixedly connected, and lamp source module is a major axis type structure; Can penetrate light along vertical axial, the light that lamp source module penetrates constitutes a smooth projection surface; Optical sensor places the lamp source module axial end portion, and the light tight object of pickup light projection surface periphery in real time.
In order to reach above-mentioned purpose; The utility model provides a kind of display device structure, and this display device structure comprises a liquid crystal panel, at least one blooming piece, a LGP, a reflection diaphragm, a preceding frame, at least one visible lamp source, a backboard and an aforesaid touch-control module assembly.Wherein, liquid crystal panel, blooming piece, LGP and reflection diaphragm abut mutually and arrange with each side in regular turn.The side of LGP includes incidence surface.Preceding frame is arranged at the liquid crystal panel outer periphery.Aforesaid touch-control module assembly places between preceding frame and the liquid crystal panel; Thereby the lamp source module in the touch-control module assembly is provided with between former frame and the liquid crystal panel; Lamp source module is a major axis type structure, and can penetrate light along vertical axial, and the light that each lamp source module penetrates constitutes a smooth projection surface; These lamp source modules are placed the different side of liquid crystal panel, make these light projection surfaces and liquid crystal panel be parallel mutually.Optical sensor is arranged at preceding frame internal corners place, and the light tight object of pickup light projection surface periphery in real time, also exports a plurality of signal of video signal simultaneously.The visible lamp source is arranged at the incidence surface side of LGP.Backboard is arranged at the lateral surface of reflection diaphragm.
Aforesaid display device structure; Wherein display device structure also comprises at least one image processing module; Each image processing module joins with an optical sensor respectively, in order to receiving a plurality of signal of video signal, and obtains and export at least one position signalling by these signal of video signal of analytical calculation.
Aforesaid display device structure, wherein optical sensor is video camera, camera, Charged Coupled Device or CMOS.
Aforesaid display device structure, wherein, this image processing module is microcontroller, central processing unit or scale controller.
Aforesaid display device structure, wherein many light of lamp source module ejaculation are parallel each other.
Aforesaid display device structure, wherein at least two lamp source modules are vertical setting mutually.
Aforesaid display device structure, wherein the number of optical sensor is two, and is arranged at two corresponding corners of this liquid crystal panel respectively, or is arranged at the corner of the same side of this liquid crystal panel respectively.
Aforesaid display device structure, wherein the number of optical sensor is three or four, and a plurality of optical sensor is not arranged at same straight line.
By this; The touch-control module assembly of the utility model and the display device structure of use thereof; Can reduce the manufacturing cost of the display device structure of optical touch function; And overcome the shortcoming of " triangulation location " simultaneously, " contact point overlapping " or " dead detecting angle " problem of multi-point touch no longer takes place, and reached originally with lower one-tenth and to calculate touch point accurately, avoid judging by accident the purpose that people push touch point.
Description of drawings
Fig. 1 is the first embodiment synoptic diagram that the utlity model has the display device structure of touch controllable function.
Fig. 2 is the touch-control sensing synoptic diagram that the utlity model has the display device structure of touch controllable function.
Fig. 3 is the touch-control sensing stereographic map that the utlity model has the display device structure of touch controllable function.
Fig. 4 is the touch-control sensing functional block diagram that the utlity model has the display device structure of touch controllable function.
Fig. 5 is the second embodiment synoptic diagram that the utlity model has the display device structure of touch controllable function.
Fig. 6 is the touch-control sensing synoptic diagram of the display device structure of the utility model second embodiment.
Identifier declaration:
1,2: display device structure
10,20: the touch-control module assembly
11,21: optical sensor
12,22: blooming piece
13,23: lamp source module
131,231: lampshade
132,232: the leaded light bar
14: image processing module
15,25: liquid crystal panel
16,26: LGP
17,27: backboard
17A: incidence surface
171,271: reflection diaphragm
18,28: preceding frame
19,29: the visible lamp source
9: computing machine
H1, H2, H3: finger
P1, P2, P3: touch point
S α, S β, S ψ: signal of video signal
SP1, SP1, SP2: position signalling.
Embodiment
See also Fig. 1, shown in Figure 1 is the first embodiment synoptic diagram that the utlity model has the display device structure of touch controllable function.As shown in Figure 1; Display device structure 1 with touch controllable function, it comprises a preceding frame 18, liquid crystal panel 15, two-layer blooming piece 12, LGP 16, one deck reflection diaphragm 171, touch-control module assembly 10, a visible lamp source 19 and a backboard 17.
Wherein, touch-control module assembly 10 comprises two lamp source modules 13 and an optical sensor 11.Liquid crystal panel 15, blooming piece 12, LGP 16 and reflection diaphragm 171 in regular turn from top to bottom abut mutually with each side respectively and are arranged above and below.The left side of LGP 16 comprises an incidence surface 17A, and visible lamp source 19 is arranged at the incidence surface 17A side of LGP 16.Like this; The visible light ray that launch in visible lamp source 19 is projected to LGP 16 inside to the right, and LGP 16 makes progress ray guidance then; After light passes through two-layer blooming piece 12 in regular turn; Get into liquid crystal panel 15, with the backlight as liquid crystal panel 15, people can see the image video pictures that liquid crystal panel 15 is shown from the outside (being the top of Fig. 1) of liquid crystal panel 15.
The purpose of LGP 16 is directing light, and the visible light ray of injecting is penetrated by the upper surface (being commonly referred to " exiting surface ") of LGP 16 equably.Blooming piece 12 can be respectively diffuser plate and brightness enhancement film.The purpose of diffuser plate is light is spread mixed light equably, and the purpose of brightness enhancement film is the light convergence behind the diffusion mixed light is assembled, and makes it on the bright dipping visual angle, have preferable light intensity.The purpose of reflection diaphragm 171 is the residual light that down penetrates LGP 16 once again in the reflected back LGP 16, is increased the recovery utilization rate of light ray energy.
Preceding frame 18 is arranged at liquid crystal panel 15 upper outer periphery; Backboard 17 is arranged at the lateral surface (that is this display device structure below) of reflection diaphragm 171; Preceding frame 18 and backboard 17 are respectively up and down with the assembly clamping in this display device structure 1; In order to fixing its inner assembly, avoid separating, coming off.
Please consult Fig. 1, Fig. 2 and Fig. 3 more simultaneously, shown in Figure 2 is the touch-control sensing synoptic diagram that the utlity model has the display device structure of touch controllable function, and shown in Figure 3 is the touch-control sensing stereographic map that the utlity model has the display device structure of touch controllable function.Wherein, two lamp source modules 13 of touch-control module assembly 10 are major axis type structure, and place between preceding frame 18 and the liquid crystal panel 15.Optical sensor 11 places the axial end portion part of two lamp source modules 13, and the both sides of optical sensor 11 can be fixedly connected with two lamp source modules 13 respectively, perhaps only is fixedly connected with a lamp source module 13.
As shown in Figure 1; Lamp source module 13 is further to be made up of a lampshade 131 and a leaded light bar 132; And lampshade 131 is around the axial side that is coated on leaded light bar 132, and by the reflection of 131 pairs of light of lampshade and the guiding of 132 pairs of light of leaded light bar, lamp source module 13 can penetrate light along vertical axial.As shown in Figure 2; In upper left touch-control module assembly 10; Two lamp source modules 13 place any two vertical sides of liquid crystal panel 15 respectively, and the major axis of the lamp source module 13 of upper side edge is the left and right directions setting, and its light penetrates along the direction perpendicular to this major axis down; The major axis of the lamp source module 13 of left side is the above-below direction setting, and its light penetrates towards the right side along vertical this major axis.10 of bottom-right touch-control module assemblies only are provided with a lamp source module 13, and its lamp source module 13 is positioned at the lower side of liquid crystal panel 15, and the major axis of lamp source module 13 is the left and right directions setting, and its light is perpendicular to the ejaculation that is directed upwardly of this major axis.So the light that the lamp source module 13 of left side is penetrated is vertical with the light that the lamp source module 13 of upper side edge, lower side penetrates respectively.Many the light that each lamp source module 13 penetrates can constitute a light projection surface (not indicating among the figure).These lamp source modules 13 are arranged at upper side edge, lower side and the left side of liquid crystal panel 15, and then the light projection surface of the lamp source module 13 of upper and lower side is the projection of above-below direction, and the light projection surface of the lamp source module 13 of left side is by projection from left to right.And many light that the lamp source module 13 of upper and lower side, left side is penetrated are all parallel with liquid crystal panel 15, that is to say, these light projection surfaces are parallel mutually with liquid crystal panel 15.
In preferred embodiment, lamp source module 13 is that (long axis direction of invisible light vertical lamp source module 13 penetrates for Light Emitting Diode, the LED) invisible light of emission infrared ray (Infrared) frequency range by light emitting diode.In other embodiments, lamp source module 13 also can be that (Cold Cathode Fluorescent Lamps CCFL) penetrates light by cathode fluorescent tube.
The inner liquid crystal panel 15 corner parts of frame 18 before optical sensor 11 places are in order to the light tight object of pickup light projection surface periphery in real time.Generally speaking, can reach the target of touch-control usually by people's finger H1, H2, H3.Therefore, as shown in Figures 2 and 3, light tight object is behaved among the figure finger H1, H2, H3, the finger position that H1, H2, H3 pushed is respectively touch point P1, P2, P3.The utility model is detected people's finger H1, H2, the position of H3 by the mode of optics sensing, and then obtains this touch point P1, P2, the change in displacement of P3, velocity variations, in order to the software or the hardware of control, operating electronic equipment.The principle of its sensing is: utilize optical sensor 11 to take the light projection surface of liquid crystal panel 15 peripheries in real time; People's finger H1, H2, H3 are because light tight and blocking-up light; Orthogonal because of the ray cast direction of two lamp source modules 13, obtain touch point P1, P2, P3 its corresponding ordinate and horizontal ordinate so can detect by optical sensor 11.No matter therefore finger H1, H2, H3 move on to any position on the liquid crystal panel 15, all can be able to detecting.
In preferred embodiment, optical sensor 11 can be video camera, camera, Charged Coupled Device (Charge Coupled Device, CCD) or CMOS (Complementary Metal Oxide Semiconductor, CMOS).
Generally speaking, touch point too much causes easily usually and detects inaccurate, coordinate erroneous judgement.As shown in Figure 2, therefore because the touch point P1 of finger H1 has identical level height with the touch point P2 of this finger H2,, the situation of judging by accident or can't identification will inevitably be arranged as if the optical sensor 11 that only depends on left side.So in Fig. 2 and this real mode shown in Figure 3, promptly through second, even the 3rd optical sensor 11 compensate its error, eliminate erroneous judgement or probability that can't identification, improve precision, and make the coordinate of interpretation more accurate.
Come, please consult Fig. 4 more simultaneously, Fig. 4 illustrate is the touch-control sensing functional block diagram of the display device structure that the utlity model has touch controllable function.Display device structure 1 is except three optical sensors 11, and also portion comprises three image processing modules 14 within it.When three optical sensors 11 are taken the peripheral finger H1 of this light projection surface, H2, H3 in real time, get final product corresponding generation and export a plurality of signal of video signal S α, S β, S ψ.Each image processing module 14 joins with an optical sensor 11 respectively, in order to receive different signal of video signal S α, S β, S ψ respectively.Then, wherein two image processing modules 14 converge signal and put in order to the 3rd image processing module 14, by analyzing, calculating these signal of video signal S α, S β, S ψ, obtain and export at least one position signalling SP1, SP2, SP3 again.After the computing machine 9 (or other any electronic equipment) of outside receives the position signalling SP1, SP2, SP3 of different time, can control specific electronic equipment through the software of computing machine 9.
In preferred embodiment, image processing module 14 can be microcontroller (Micro Controller Unit, MCU), central processing unit (Central Processing Unit, CPU) or scale controller (Scalar).By this; People are that the touch controllable function of the utility model display device structure 1 capable of using comes control computer 9 or other specific electronic equipment; And has higher precision; Lower erroneous judgement probability, and tolerable pushes a plurality of touch point P1, P2, P3 with a plurality of finger H1, H2, H3 simultaneously, very convenient.
The utility model also has other embodiment; Please consult Fig. 5 and Fig. 6 simultaneously; Shown in Figure 5 is the second embodiment synoptic diagram that the utlity model has the display device structure of touch controllable function, and shown in Figure 6 is the touch-control sensing synoptic diagram of the display device structure of the utility model second embodiment.Like Fig. 5 and shown in Figure 6, display device structure 2 comprises a preceding frame 28, liquid crystal panel 25, two-layer blooming piece 22, LGP 26, one deck reflection diaphragm 271, touch-control module assembly 20, a visible lamp source 29 and a backboard 27.
Wherein, each touch-control module assembly 20 includes a lamp source module 23 and an optical sensor 21, and lamp source module 23 is made up of a lampshade 231 and a leaded light bar 232.At this, the structure similar with previous embodiment just repeats no more.Wherein, lamp source module 23 only is provided with two, lays respectively at two relative sides of display device structure 2.Visible lamp source 29 is a cathode fluorescent tube.Also have, present embodiment only is provided with two optical sensors 21, so cost is low, but still can keep certain detecting quality, can not produce excessive detecting error.
By this, the utlity model has the display of touch controllable function because adopt a kind of contactless metering system, thus the brightness of screen can not reduced, and can let the user with the Touch Screen of hand or arbitrary medium (like pen etc.) replacement push type, very convenient.Also have, the utility model need not to use expensive condenser type, electric resistance touch-control system, therefore can save manufacturing cost, has practical commercial value.
Though the utility model discloses as above with specific embodiment; Right its specific embodiment that is disclosed not is in order to limit the utility model; Anyly be familiar with this art, in spirit that does not break away from the utility model and scope, when doing various changes and retouching; Its change done and retouching all belong to the category of the utility model, and the protection domain of the utility model is as the criterion when looking the claim scope person of defining.
Claims (10)
1. a touch-control module assembly (10,20) is characterized in that this touch-control module assembly (10,20) comprising:
At least one lamp source module (13,23); Said lamp source module (13,23) is a major axis type structure; And can be along axial ejaculation light perpendicular to said lamp source module (13,23), many light that said lamp source module (13,23) penetrates constitute a light projection surface;
At least one optical sensor (11,21), said optical sensor (11,21) is arranged at the axial end portion part of said lamp source module (13,23), and can take the light tight object of this light projection surface periphery in real time.
2. touch-control module assembly as claimed in claim 1, wherein said lamp source module (13,23) is fixedly connected with said optical sensor (11,21).
3. display device structure comprises:
One liquid crystal panel (15,25);
At least one blooming piece (12,22);
One LGP (16,26), the side of this LGP (16,26) includes an incidence surface (17A);
One reflection diaphragm (171,271);
This liquid crystal panel (1,2), this blooming piece (12,22), this LGP (16,26) and this reflection diaphragm (171,271) abut arrangement with each side in regular turn mutually;
Frame (18,28) before one, this preceding frame (18,28) places the outer periphery of this liquid crystal panel (1,2);
It is characterized in that said display device structure also comprises:
The described touch-control module assembly of at least one claim 1 (10,20); This touch-control module assembly (10,20) places between this preceding frame (18,28) and this liquid crystal panel (1,2); And this lamp source module (13,23) places the side of this liquid crystal panel (1,2); Make said smooth projection surface be parallel mutually with this liquid crystal panel (1,2), said optical sensor (11,21) places this preceding frame (18,28) internal corners place, and exportable a plurality of signal of video signal;
At least one visible lamp source (19,29), said visible lamp source (19,29) are arranged at the incidence surface side of this LGP (16,26);
One backboard (17,27) is arranged at the lateral surface of this reflection diaphragm (171,271).
4. display device structure as claimed in claim 3 wherein also includes at least one image processing module (14), and said image processing module (14) is arranged in this display device structure, and joins with a said optical sensor (11,21) respectively.
5. display device structure as claimed in claim 3, wherein said optical sensor (11,21) is video camera, camera, Charged Coupled Device or CMOS.
6. display device structure as claimed in claim 3, wherein this image processing module (14) is microcontroller, central processing unit or scale controller.
7. display device structure as claimed in claim 3, wherein said lamp source module (13,23) penetrates parallel each other light.
8. display device structure as claimed in claim 3, wherein at least two said lamp source modules (13) are vertical setting mutually.
9. display device structure as claimed in claim 3; The number of wherein said optical sensor (11,21) is two; And be arranged at the two corresponding corners of this liquid crystal panel (15,25) respectively, or be arranged at the corner of the same side of this liquid crystal panel (15,25) respectively.
10. like claim 3 a described display device structure, the number of wherein said optical sensor (11,21) is three or four, and each said optical sensor (11,21) is not arranged at same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120087134U CN202145300U (en) | 2011-03-29 | 2011-03-29 | Touch-control module assembly and display structure adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120087134U CN202145300U (en) | 2011-03-29 | 2011-03-29 | Touch-control module assembly and display structure adopting same |
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| Publication Number | Publication Date |
|---|---|
| CN202145300U true CN202145300U (en) | 2012-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201120087134U Expired - Fee Related CN202145300U (en) | 2011-03-29 | 2011-03-29 | Touch-control module assembly and display structure adopting same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112925441A (en) * | 2021-02-09 | 2021-06-08 | 捷开通讯(深圳)有限公司 | Touch control display device |
-
2011
- 2011-03-29 CN CN201120087134U patent/CN202145300U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112925441A (en) * | 2021-02-09 | 2021-06-08 | 捷开通讯(深圳)有限公司 | Touch control display device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120215 Termination date: 20130329 |