CN101876863B - Display device and reaction device - Google Patents
Display device and reaction device Download PDFInfo
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- CN101876863B CN101876863B CN 200910138104 CN200910138104A CN101876863B CN 101876863 B CN101876863 B CN 101876863B CN 200910138104 CN200910138104 CN 200910138104 CN 200910138104 A CN200910138104 A CN 200910138104A CN 101876863 B CN101876863 B CN 101876863B
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Abstract
The invention device discloses a display device comprising a display panel and a reaction device, wherein the reaction device comprises a feedback unit array and a control unit; the feedback unit array is provided with a plurality of feedback units which are arranged on the display panel in the mode of array, so that the display area is divided into a plurality of sub-display areas, and each sub-display area respectively corresponds to one of the feedback units; and when one of the sub-display areas is touched, the control unit outputs a control signal to the feedback unit array so as to cause the touched sub-display area to produce microcurrent corresponding to the feedback unit.
Description
Technical field
The invention relates to a kind of display device, and particularly relevant for a kind of display device with feedback function.
Background technology
Fast development and application along with infotech, radio mobile communication and information household appliances, for reach carry more convenient, volume is more lightly changed and operate more humane purpose, many information products change into and use contact panel as input media by input medias such as traditional keyboard or mouses.Touch technology now is quite flourishing, from mobile phone, computer, screen, Trackpad technology of application touch control widely all.Because its easily characteristic and intuitive operation, gradually become main flow on the market.
Present contact panel roughly can be divided into the contact panels such as resistance-type, condenser type, infrared-type and ultrasonic formula, the Trackpad of above four kinds of kenels, whether correct excellent lack, have nothing in common with each other, but all without device for force feedback, so can't allow the user rely on sense of touch can distinguish input message.For example the user is when impacting conventional keyboard, and the strength that has feedback produces, and allows cognitive the having to oneself of user impact, but Trackpad or Touch Screen, then need be by the variation of image, can pick out just whether correct press or touch-control arrives is arranged.
Summary of the invention
Whether correct the invention provides a kind of display device, it has a reaction unit, can allow the user rely on sense of touch can distinguish input message.
The invention provides a kind of reaction unit, be applicable to a display panel, can allow the user rely on sense of touch can distinguish whether correct input message.
The present invention proposes a kind of display device, comprises a display panel and a reaction unit.Wherein, reaction unit comprises a feedback unit array and a control module.The feedback unit array has a plurality of feedback units, be arranged on the display panel with array way, and so that the viewing area is divided into a plurality of sub-viewing areas, and respectively corresponding these a little feedback units in each sub-viewing area one of them.When this a little viewing area one of them when touched, control module output one controls signal to the feedback unit array, so that the touched corresponding feedback unit in sub-viewing area produces a little electric current.
The present invention proposes a kind of reaction unit, is suitable for a display panel.Reaction unit comprises a feedback unit array and a control module.The feedback unit array has a plurality of feedback units, be arranged on the display panel with array way, and so that the viewing area on the display panel is divided into a plurality of sub-viewing areas, and respectively corresponding these a little feedback units in each sub-viewing area one of them.When this a little viewing area one of them when touched, control module output one controls signal to the feedback unit array, so that the touched corresponding feedback unit in sub-viewing area produces a little electric current.
In one embodiment of this invention, above-mentioned reaction unit also comprises a touch-control module, and it couples control module, so that control module judges according to the output of touch-control module whether each sub-viewing area is touched.
In one embodiment of this invention, above-mentioned touch-control module comprises a touch-control sensing cell array, it has a plurality of touch-control sensings unit, to be disposed on the display panel with array way, and each touch-control sensing unit couples respectively control module, so that control module is able to the state according to each touch-control sensing unit, and judge whether each sub-viewing area is touched.
In one embodiment of this invention, above-mentioned touch-control module comprises signal projector and signal receiver.Signal projector is configured on the display panel, with the transmit physical ripple on display panel.Signal receiver then couples control module, receive from the physical wave of signal projector emission, with the output sensing signal to control module, so that control module judges according to the variation of sensing signal whether each sub-viewing area is touched.
In one embodiment of this invention, above-mentioned display panel also comprises the touch-control sensing cell array, and it has a plurality of touch-control sensings unit, couples respectively control module, so that control module is able to the state according to each touch-control sensing unit, and judge whether each sub-viewing area is touched.
In one embodiment of this invention, above-mentioned feedback unit comprises electrode and transistor.Wherein, electrode is configured on the display panel.Transistorized gate terminal is coupled to control module, and its source terminal is coupled to the first voltage, and its drain electrode end then couples electrode.
In one embodiment of this invention, above-mentioned feedback unit comprises electrode, resistance, switch unit and electric capacity.Wherein, the first end of resistance is coupled to the first voltage.Switch unit has first end to the four ends, its first end is coupled to the second end of resistance, its second end is coupled to electrode, and its 3rd end is coupled to control module, and the control signal exported of reception control unit and with its 4th end conducting to its first end or the second end.In addition, the first end of electric capacity is coupled to the 4th end of switch unit, and its second end then is coupled to ground voltage, to store and to discharge electric charge.
Based on above-mentioned, the present invention utilizes the reaction unit in the display device to produce little electric current, allows the user when touching display panel, and the finger by the microelectric current user is to produce vibratory sensation.So, whether correct the user rely on sense of touch can distinguish input message.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and cooperate appended graphic being described in detail below.
Description of drawings
Figure 1 shows that the calcspar of the display device of the first embodiment of the present invention.
Figure 2 shows that the calcspar of the display device of the second embodiment of the present invention.
Figure 3 shows that the calcspar of the display device of the third embodiment of the present invention.
Figure 4 shows that the circuit diagram of the feedback unit of the first embodiment of the present invention.
Figure 5 shows that the circuit diagram of the feedback unit of the second embodiment of the present invention.
Embodiment
Figure 1 shows that the calcspar of the display device of first embodiment of the invention.Please refer to Fig. 1, display device 100 comprises display panel 102 and reaction unit 104.Display panel 102 couples reaction unit 104.Wherein, display panel 102 can comprise touch-control sensing cell array 106, and reaction unit 104 comprises feedback unit array 108 and control module 110.Control module 110 is coupled to feedback unit array 108 and touch-control sensing cell array 106.Wherein, display panel 102 has a viewing area.Feedback unit array 108 has a plurality of feedback units, and these feedback units can be arranged on the display panel 102 with array way, and the viewing area of display panel 102 can be divided into a plurality of sub-viewing areas according to the arrayed mode of these feedback units.That is, respectively corresponding these feedback units in each sub-viewing area one of them.Touch-control sensing cell array 106 can embeddedly be disposed on the display panel 102.The position of each touch-control sensing unit can correspond respectively to this a little viewing area one of them.Wherein, the touch-control sensing unit can be electric resistance touch-control sensing unit or capacitance touching control sensing unit both one of them.
Whether control module 110 can be detected this a little viewing area touched.When this a little viewing area one of them when touched, control module 110 namely can be exported a control signal S2 to feedback unit array 108, so that the touched corresponding feedback unit in sub-viewing area produces a little electric current.
Specifically, as user during with an input tool (for example finger) touching display panel 102, will cause the electrical specification of touch-control sensing unit in the touch-control sensing cell array 106 to change, control module 110 can be according to the variation of touch-control sensing unit electrical specification, and the output control signal S2 give the feedback unit that corresponds in the touched sub-viewing area.For instance, if touching display panel 102 is electric resistance touch-control panel, then when contact panel was touched, the electrode of levels was pressed and is contacted in the contact panel, cause short circuit and then produce pressure drop, control module 110 is detected the coordinate position of touch point according to the variation of voltage.If touching display panel 102 is capacitance type touch-control panel, then when contact panel is touched, the capacitance variations that transparency electrode on the contact panel and the electrostatical binding between the human body produce will produce an electric current, and control module 110 is detected the coordinate position of touch point according to the electric current that produces.Produce microelectric current user's finger behind the feedback unit reception control signal S2, make user's finger that the sensation of vibrations be arranged.
Figure 2 shows that the calcspar of the display device of second embodiment of the invention.Please refer to Fig. 2, the display device of the present embodiment 200 is with the difference of the display device 100 of Fig. 1, and display panel 102 there is no built-in touch-control sensing cell array 106.Therefore, 104 needs configurations of the reaction unit that provides of the present embodiment, one touch-control module 202.Wherein, touch-control module couples control module 110.
In the present embodiment, touch-control module 202 comprises touch-control sensing cell array 204.Similarly, touch-control sensing cell array 204 comprises a plurality of touch-control sensings unit, is to be configured on the display panel 102 with array way.So, can make the display panel with touch controllable function via after coupling reaction unit 104, and have the function of touch-control and feedback.
As user during with finger touches display panel 102, control module 110 can be according to the state of touch-control sensing unit in the touch-control sensing cell array 204, the output control signal S2 give the feedback unit that corresponds in the touched sub-viewing area, produce microelectric current user's finger with the control feedback unit, make user's finger that the sensation of vibrations be arranged.
Figure 3 shows that the calcspar of the display device of third embodiment of the invention.Please refer to Fig. 3, in the present embodiment, touch-control module 202 comprises signal projector 302 and signal receiver 304.Wherein, signal receiver 304 couples control module 110.
For instance, the user can utilize ultrasonic transmitter and ultrasonic receiver to detect the touched position of display panel 102.The user can respectively arrange a ultrasonic transmitter in two online corners in display panel 102 diagonal angles, and one of them arranges a ultrasonic receiver in two other corner.Two online ultrasonic transmitters of diagonal angle can form a uniform acoustic gravity wave field in the viewing area of display panel 102.When sound wave is run into finger or flexible material, sound wave will be absorbed.So, the ultrasonic receiver can change output sensing signal S1 according to received sound wave.
In addition, the user also can utilize infrared transmitter and infrared receiver to detect the touched position of display panel 102.The user can respectively arrange infrared transmitter and infrared receiver on two opposite side of display panel 102, to form vertically and the infrared induction net that laterally interlocks.When object touched display panel 102, the light on the display panel 102 will be interdicted.So, infrared receiver can determine 102 of display panels by touch location according to the light position of being interdicted, and output sensing signal S1.
In order this area to be had usually know the knowledgeable can principle of operation of the present invention more than you know, below with several embodiment the circuit framework of each feedback unit in the feedback unit array 108 be described.
Figure 4 shows that the circuit diagram of the feedback unit of the first embodiment of the present invention.Please refer to Fig. 4, feedback unit can comprise transistor 402 and electrode 404.Wherein, electrode 404 is configured on the display panel 102.The gate terminal of transistor 402 is coupled to control module 110, and its source terminal is coupled to the first voltage VS1, and its drain electrode end then couples electrode 404.The control signal S2 that transistor 402 is exported according to control module 110 produces little electric current on electrode 404.Wherein, transistor 402 can be thin film transistor (TFT), and the first voltage VS1 is operating voltage.
Specifically, when user's finger touches display panel 102, control module 110 can be detected the state of touch-control sensing unit in the feedback unit array 108, and output control signal S2 gives the feedback unit that corresponds in the touched sub-viewing area.This moment feedback unit in transistor 402 gate terminal reception control signal S2 and open transistor channels.The first voltage VS1 that the source terminal of transistor 402 couples can produce voltage difference between the source terminal of transistor 402 and drain electrode end, to produce little electric current at electrode 404, to stimulate user's finger, make user's finger that the sensation of vibrations be arranged.
Figure 5 shows that the circuit diagram of the feedback unit of the second embodiment of the present invention.Please refer to Fig. 5, feedback unit can comprise resistance R 1, capacitor C 1, switch unit 502 and electrode 504.The first end of resistance R 1 is coupled to the first voltage VS1.Wherein, the first voltage VS1 is operating voltage.Switch unit 502 has first end T51 to the four end T54, and its first end T51 is coupled to the second end of resistance R 1, and its second end T52 couples electrode 504, and its 3rd end T53 is coupled to control module 110, and its 4th end T54 is coupled to the first end of capacitor C 1.The second end of capacitor C 1 then is coupled to ground voltage GND.Wherein, but the control signal S2 that the 3rd end T53 reception control unit 110 of switch unit 502 is exported and with the 4th end T54 conducting of switch unit 502 to its first end T51 or the second end T52.1 of capacitor C is in order to store and to discharge electric charge.
Specifically, before 102 of display panels are touched, the 4th end T54 of switch unit 502 be conducting to its first end T51, this moment, capacitor C 1 stored the electric charge that is provided by the first voltage VS1.When user's finger touches display panel 102, control module 110 is according to the state of touch-control sensing unit in the feedback unit array 108, and the output control signal S2 give the feedback unit that corresponds in the touched sub-viewing area.The 3rd end T53 reception control signal S2 of switch unit 502 in the feedback unit and with the 4th end T54 conducting of switch unit 502 to its second end T52.The electric charge that is stored in the capacitor C 1 will be released this moment, and mobile electric charge forms little electric current and flows to the second end T52 of switch unit 502, producing little electric current at electrode 504, and then stimulate user's finger, make user's finger that the sensation of vibrations be arranged.
In sum, the reaction unit in the display device of above-described embodiment can produce little electric current when the user touches display panel, and the finger by the microelectric current user is to produce vibratory sensation.So, whether correct the user rely on sense of touch can distinguish input message, and similar feedback feeling of pressing conventional keys is provided.
Although the present invention discloses as above with embodiment; so it is not to limit the present invention; have in the technical field under any and usually know the knowledgeable; without departing from the spirit and scope of the present invention; when doing a little change and retouching, therefore protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (21)
1. a display device is characterized in that, comprising:
Display panel has the viewing area;
Reaction unit couples above-mentioned display panel, and comprises:
The feedback unit array has a plurality of feedback units, be arranged on the above-mentioned display panel with array way, and so that above-mentioned viewing area is divided into a plurality of sub-viewing areas, and respectively corresponding above-mentioned these feedback units in each sub-viewing area one of them; And
Control module couples above-mentioned feedback unit array, and whether detect above-mentioned this a little viewing area touched,
Wherein when above-mentioned this a little viewing area one of them when touched, then above-mentioned control module outputs control signals to above-mentioned feedback unit array, so that the touched corresponding feedback unit in sub-viewing area produces little electric current.
2. display device according to claim 1 is characterized in that, wherein above-mentioned reaction unit also comprises:
Touch-control module couples above-mentioned control module, so that above-mentioned control module judges according to the output of above-mentioned touch-control module whether above-mentioned this a little viewing area is touched.
3. display device according to claim 2 is characterized in that, wherein above-mentioned touch-control module comprises:
The touch-control sensing cell array, has a plurality of touch-control sensings unit, to be disposed on the above-mentioned display panel with array way, and each above-mentioned these touch-control sensing unit couples respectively above-mentioned control module, so that above-mentioned control module is able to the state according to above-mentioned these touch-control sensing unit, and judge whether each above-mentioned sub-viewing area is touched.
4. display device according to claim 3 is characterized in that, wherein above-mentioned these touch-control sensing unit are respectively electric resistance touch-control sensing unit and capacitance touching control sensing unit the two one of them.
5. display device according to claim 2 is characterized in that, wherein above-mentioned touch-control module comprises:
Signal projector is configured on the above-mentioned display panel, with the transmit physical ripple on above-mentioned display panel; And
Signal receiver, couple above-mentioned control module, and receive from the above-mentioned physical wave of above-mentioned signal projector emission, give above-mentioned control module with the output sensing signal, so that above-mentioned control module judges according to the variation of above-mentioned sensing signal whether above-mentioned this a little viewing area is touched.
6. display device according to claim 5 is characterized in that, wherein above-mentioned physical wave is light wave and ultrasonic the two one of them.
7. display device according to claim 1 is characterized in that, wherein above-mentioned display panel also comprises:
The touch-control sensing cell array has a plurality of touch-control sensings unit, couples respectively above-mentioned control module, so that above-mentioned control module is able to the state according to above-mentioned these touch-control sensing unit, and judges whether each above-mentioned sub-viewing area is touched.
8. display device according to claim 1 is characterized in that, wherein each above-mentioned feedback unit comprises:
Electrode is configured on the above-mentioned display panel; And
Transistor, its gate terminal is coupled to above-mentioned control module, and its source terminal is coupled to the first voltage, and its drain electrode end then couples above-mentioned electrode.
9. display device according to claim 8 is characterized in that, wherein above-mentioned the first voltage is operating voltage.
10. display device according to claim 8 is characterized in that, wherein above-mentioned transistor is thin film transistor (TFT).
11. display device according to claim 1 is characterized in that, wherein each the above-mentioned feedback unit in the feedback unit array comprises:
Electrode;
Resistance, its first end is coupled to the first voltage;
Switch unit, have first to fourth end, its first end is coupled to the second end of above-mentioned resistance, and its second end is coupled to above-mentioned electrode, its the 3rd end is coupled to above-mentioned control module, receive above-mentioned control signal that above-mentioned control module exports and with its 4th end conducting to its first end or the second end; And
Electric capacity, its first end are coupled to the 4th end of above-mentioned switch unit, and its second end is coupled to ground voltage, to store and to discharge electric charge.
12. a reaction unit is suitable for display panel, it is characterized in that, above-mentioned reaction unit comprises:
The feedback unit array, have a plurality of feedback units, be arranged on the above-mentioned display panel with array way, and so that the viewing area on the display panel is divided into a plurality of sub-viewing areas, and each sub-viewing area then respectively corresponding above-mentioned these feedback units one of them; And
Control module couples above-mentioned feedback unit array, and whether detect above-mentioned this a little viewing area touched,
Wherein when above-mentioned this a little viewing area one of them when touched, then above-mentioned control module outputs control signals to above-mentioned feedback unit array, so that the touched corresponding feedback unit in sub-viewing area produces little electric current.
13. reaction unit according to claim 12 is characterized in that, above-mentioned reaction unit also comprises:
Touch-control module couples above-mentioned control module, so that above-mentioned control module judges according to the output of above-mentioned touch-control module whether above-mentioned this a little viewing area is touched.
14. reaction unit according to claim 13 is characterized in that, wherein above-mentioned touch-control module comprises:
The touch-control sensing cell array, has a plurality of touch-control sensings unit, to be disposed on the above-mentioned display panel with array way, and each above-mentioned these touch-control sensing unit couples respectively above-mentioned control module, so that above-mentioned control module is able to the state according to above-mentioned these touch-control sensing unit, and judge whether each above-mentioned sub-viewing area is touched.
15. reaction unit according to claim 14 is characterized in that, wherein above-mentioned these touch-control sensing unit are respectively electric resistance touch-control sensing unit and capacitance touching control sensing unit the two one of them.
16. reaction unit according to claim 13 is characterized in that, wherein above-mentioned touch-control module comprises:
Signal projector is configured on the above-mentioned display panel, with the transmit physical ripple on above-mentioned display panel; And
Signal receiver, couple above-mentioned control module, and receive from the above-mentioned physical wave of above-mentioned signal projector emission, give above-mentioned control module with the output sensing signal, so that above-mentioned control module judges according to the variation of above-mentioned sensing signal whether above-mentioned this a little viewing area is touched.
17. reaction unit according to claim 16 is characterized in that, wherein above-mentioned physical wave is light wave and ultrasonic the two one of them.
18. reaction unit according to claim 12 is characterized in that, wherein each above-mentioned feedback unit comprises:
Electrode is configured on the above-mentioned display panel; And
Transistor, its gate terminal is coupled to above-mentioned control module, and its source terminal is coupled to the first voltage, and its drain electrode end then couples above-mentioned electrode.
19. reaction unit according to claim 18 is characterized in that, wherein above-mentioned the first voltage is operating voltage.
20. reaction unit according to claim 18 is characterized in that, wherein above-mentioned transistor is thin film transistor (TFT).
21. reaction unit according to claim 12 is characterized in that, wherein each the above-mentioned feedback unit in the feedback unit array comprises:
Electrode;
Resistance, its first end is coupled to the first voltage;
Switch unit, have first to fourth end, its first end is coupled to the second end of above-mentioned resistance, and its second end is coupled to above-mentioned electrode, its the 3rd end is coupled to above-mentioned control module, receive above-mentioned control signal that above-mentioned control module exports and with its 4th end conducting to its first end or the second end; And
Electric capacity, its first end are coupled to the 4th end of above-mentioned switch unit, and its second end is coupled to ground voltage, to store and to discharge electric charge.
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| CN 200910138104 CN101876863B (en) | 2009-04-30 | 2009-04-30 | Display device and reaction device |
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| CN 200910138104 CN101876863B (en) | 2009-04-30 | 2009-04-30 | Display device and reaction device |
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| CN101876863A CN101876863A (en) | 2010-11-03 |
| CN101876863B true CN101876863B (en) | 2013-02-27 |
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Families Citing this family (2)
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| US20120313890A1 (en) * | 2011-06-09 | 2012-12-13 | Maxim Integrated Products, Inc. | Inter-symbol interfence reduction for touch panel systems |
| CN103970387B (en) * | 2013-01-24 | 2017-12-01 | 财团法人工业技术研究院 | Touch sensing and feedback device and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2466703Y (en) * | 2000-11-16 | 2001-12-19 | 北京汇冠科技有限公司 | Optical system of infrared touch screen |
| CN1773442A (en) * | 2004-11-09 | 2006-05-17 | 夏普株式会社 | An apparatus for measuring capacitance and sensor array |
| CN1924775A (en) * | 2001-03-09 | 2007-03-07 | 伊梅森公司 | Haptic interface for laptop computers and other portable devices |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2466703Y (en) * | 2000-11-16 | 2001-12-19 | 北京汇冠科技有限公司 | Optical system of infrared touch screen |
| CN1924775A (en) * | 2001-03-09 | 2007-03-07 | 伊梅森公司 | Haptic interface for laptop computers and other portable devices |
| CN1773442A (en) * | 2004-11-09 | 2006-05-17 | 夏普株式会社 | An apparatus for measuring capacitance and sensor array |
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