CN103294240B - Touch control display system, display unit and image close method thereof - Google Patents
Touch control display system, display unit and image close method thereof Download PDFInfo
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- CN103294240B CN103294240B CN201210054800.2A CN201210054800A CN103294240B CN 103294240 B CN103294240 B CN 103294240B CN 201210054800 A CN201210054800 A CN 201210054800A CN 103294240 B CN103294240 B CN 103294240B
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Abstract
The present invention proposes a kind of display unit, comprises a panel body, a shielding layer, an inductive layer and a sensor. Shielding layer is arranged at least one edge of panel body, and forms a shielded area, and inductive layer is arranged at shielded area, and sensor is electrically coupled to inductive layer. The present invention also discloses a kind of image close method and a kind of touch control display system of display unit.
Description
Technical field
The invention relates to a kind of touch control display system, display unit and image close method thereof, particularly closeIn a kind of touch control display system, display unit and image close method thereof with call function.
Background technology
Please refer to shown in Fig. 1 the schematic diagram of its display unit that is known technology. Known display unit 1Have an infrared sensing element 11, it is arranged at the side of display unit 1 near receiver, to carry out sensing.Infrared sensing element 11 is a proximity sense (proximitysensor), generally needs two partsForm, one is infrared light-emitting diode, and another is optical pickocff. Wherein, infrared light emission twoUtmost point bobbin is to object sensing or human-body emitting one infrared signal, part signal after reflecting, then viaOptical pickocff detects. Therefore when user is during near receiver, for example user and infrared sensing elementWhen distance between 11 is less than a preset value, infrared signal is through reflexing to infrared sensing element 11, red11 of outside line sensing elements can send signal, to allow the touch controllable function of display unit 1 close, make preventingUser is in the time saying phone, and face contacts with contact panel and the function false touch that causes.
But the display unit 1 in known technology, need arrange infrared light emission two in the rear of display floaterUtmost point pipe and optical pickocff, the distance of ability sensing user and display unit 1, thus, essentialIncrease the expenditure of material cost. And, on processing procedure, also must be in the corresponding infrared sensing of cover glass unitThe place of part 11, sets up infrared ray ink, not only expends more material cost, and must be through extraProcessing procedure and time are reached this design.
Therefore, how to provide a kind of touch control display system, display unit and image close method thereof, can reduceMaterial cost, more can simplify processing procedure, to reach saving energy resource consumption, and keeps away the call function mistiming of overslaughingTouch for panel.
Summary of the invention
Because above-mentioned problem, object of the present invention for provide a kind of touch control display system, display unit andImage close method, can reduce material cost, more can save energy resource consumption, and electric power avoids waste.
For reaching above-mentioned object, the invention provides a kind of display unit comprise a panel body, a shielding layer,One inductive layer and a sensor. Panel body has a touch-control viewing area. Shielding layer is located on panel bodyTouch-control viewing area, and form a shielded area. Inductive layer is arranged at shielded area. Sensor is electrically coupled to senseShould layer.
In a preferred embodiment of the present invention, inductive layer is arranged on shielding layer.
In a preferred embodiment of the present invention, shielding layer has at least one opening, and inductive layer is established at least partlyBe placed in opening.
In a preferred embodiment of the present invention, inductive layer has conductive material.
In a preferred embodiment of the present invention, the material of inductive layer is silver slurry or aluminium paste.
In a preferred embodiment of the present invention, inductive layer is conductive ink.
In a preferred embodiment of the present invention, display unit more comprises a touch control electrode layer. Touch control electrode layerBe positioned at the touch-control viewing area of panel body.
In a preferred embodiment of the present invention, display unit more comprises a metal level, is positioned at shielded area, andBe electrically connected at touch control electrode layer.
In a preferred embodiment of the present invention, display unit more comprises a protective layer, cover this metal level andThis touch control electrode layer.
In a preferred embodiment of the present invention, part metals layer is electrically connect inductive layer and sensor.
In a preferred embodiment of the present invention, shielding layer is that patterning forms multiple openings.
For reaching above-mentioned object, the present invention more provides a kind of image close method of display unit, shows dressPut and comprise an inductive layer and a sensor, inductive layer and sensor electrically link, and inductive layer is positioned at a screeningCover district, image close method comprises the following step: sensor output one drives signal to inductive layer; Inductive layerThe distance distance of sensing one object also returns a sensing signal to sensor; And sensor is according to the sensing of passbackWhether the variable quantity producing between signal and former sensing signal is greater than a preset value, to determine that whether closing one showsShow picture, if the variable quantity of sensing signal is greater than preset value, close the display frame of display unit.
In a preferred embodiment of the present invention, when display unit is closed display frame, one of display unit is led toWords function is held open.
In a preferred embodiment of the present invention, sensor sends one and cuts out picture signal to one of display unitDisplay driver, display driver is closed display frame according to closing picture signal.
In a preferred embodiment of the present invention, when display unit is not opened call function, sensor continuesEnter the output of horizontal-drive signal.
In a preferred embodiment of the present invention, when the variable quantity of sensing signal is greater than preset value, object distanceBe less than 3 centimetres from display unit.
For reaching above-mentioned object, the present invention also provides a kind of touch control display system to comprise a contact panel demonstrationDevice and an input block. Display unit comprises a panel body, a shielding layer, an inductive layer and a biographySensor. Panel body has a touch-control viewing area. Shielding layer is located on the touch-control viewing area of panel body, andForm a shielded area. Inductive layer is arranged at shielded area. Sensor is electrically coupled to inductive layer. Input unit couplingBe connected to display unit, in order to provide input signal to display unit, make display unit produce show image.
In a preferred embodiment of the present invention, touch control display system comprises that one has the electronics dress of display unitPut.
In a preferred embodiment of the present invention, electronic installation comprises a panel computer, a projector, an electricityThe philosophical works, a notebook computer, a mobile phone, a digital camera, a personal digital assistant, a desktop computer,One television set, a vehicle display or a portable DVD player.
From the above, touch control display system of the present invention, display unit and image close method thereof, arrange toolThere is the inductive layer of conductive material in shielded area, and inductive layer and sensor are electrically coupled, make the sensor canDrive and conducting inductive layer. The distance distance of inductive layer object sensing also returns sensing signal to sensor, borrowsThis, whether the variable quantity producing between the sensing signal of differentiation passback and former sensing signal is greater than a preset value.When display unit is in carrying out call function, and the variable quantity of sensing signal is while being greater than preset value, closes demonstrationDisplay frame and or the touch controllable function of device. Compared to the prior art, touch control display system of the present invention,Display unit and image close method are the settings that replaces traditional infrared ray sensor with inductive layer, not onlyCan save material cost, also can, in order to differentiate the distance between object and inductive layer, make display unit in executionWhen call function, display frame can be closed, to save energy resource consumption, electric power avoids waste.
Brief description of the drawings
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing to thisBright detailed description of the invention elaborates, wherein:
Fig. 1 is the schematic diagram of the display unit of known technology;
Fig. 2 is the front view of the display unit of preferred embodiment of the present invention;
Fig. 3 is the rearview of the display screen of the display unit of preferred embodiment of the present invention;
Fig. 4 is the profile of the A-A straight line of the display unit of Fig. 3;
Fig. 5 is the schematic diagram of display unit of the present invention;
Fig. 6 is an aspect profile again of display unit of the present invention; And
The flow chart of steps of the display unit of Fig. 7 preferred embodiment of the present invention.
[main element symbol description]
1,2,2a: display unit
11: infrared sensing element
21: panel body
22,22a: shielding layer
221: opening
23,23a: inductive layer
24: sensor
25: touch control electrode layer
26: metal level
27: protective layer
D: touch-control viewing area
A-A: straight line
S: shielded area
S01～S04: step
Detailed description of the invention
Hereinafter with reference to correlative type, illustrate according to a kind of touch control display system of preferred embodiment of the present invention, aobviousShowing device and image close method thereof, wherein identical element will be illustrated with identical reference marks.
Please refer to shown in Fig. 2 to Fig. 4 the forward sight of the display unit that wherein Fig. 2 is preferred embodiment of the present inventionFigure, the rearview of the display screen of the display unit that Fig. 3 is preferred embodiment of the present invention, Fig. 4 is Fig. 3The profile of the A-A straight line of display unit. The disclosed display unit 2 of the present invention has call function, exampleAs mobile phone, panel computer, personal digital assistant, digital media player or any electricity with call functionSub-product. In addition, the contact panel of display unit 2 can be and has an one side conductive structure (SITO),Two-sided conductive structure (DITO) or a form integrated touch control induction structure (WindowIntegratedSensor,WIS) contact panel. The display unit 2 of the present embodiment is to have form integrated touch control induction structureFor example, so non-limiting the use of in the present invention. Display unit 2 comprises a panel body 21, a shielding layer 22,Inductive layer 23 and a sensor 24.
Panel body 21 has a touch-control viewing area D, its rough central authorities that are positioned at panel body 21.
Shielding layer 22 is the touch-control viewing area D that are located on panel body 21, to form a shielded area S. ThisThe shielding layer 22 of embodiment is arranged at four edges of panel body 21, makes to form shielded area S in panel originallyThe surrounding of body 21, central authorities not crested layer 22 hide residence, are to be active display area (activeDisplayarea). Wherein, shielding layer 22 sizes shown in the present embodiment, are not defined in the present invention, canThe size of design shielding layer 22 because the function of the overall dimensions of display unit 2 size or application is different.The material of shielding layer 22 can be to stop light, absorption light or lighttight material, is for example dark oil in thisChina ink or macromolecule.
As shown in Figure 4, shielding layer 22 has at least one opening 221, and the shielding layer 22 of the present embodiment is figureCase and form multiple openings 221, as shown in Figure 2, the aspect of described opening 221 can be electronic productSample trademark pattern or brand letter, so non-limiting the use of in the present invention.
Inductive layer 23 is arranged at shielded area S, and is arranged at least partly in opening 221, and other partsInductive layer 23 may extend to (as Fig. 4) on shielding layer 22. The material of inductive layer 23 is for example silverSlurry, aluminium paste or other have the material of conductive material, and inductive layer 23 can be conducted electricity. In addition, inductive layer23 also can have conductive ink, allow inductive layer 23 with color, for example, can be black, white or colored.Manufacturer or producer can be according to the designs of trade mark or mark, and opening 221 is designed to different pattern and size.
Shown in Fig. 3, sensor 24 is electrically coupled to inductive layer 23. Sensor 24 drives and electricityProperty conducting in inductive layer 23, make inductive layer 23 become the wherein electrode of for example electric capacity, therefore when usingPerson to certain distance, can allow the capacitance between user and inductive layer 23 change near inductive layer 23,So that sensor 24 distance of sensing user and inductive layer 23 whereby. In more detail, if userDuring near inductive layer 23, can between user and inductive layer 23, form a coupling capacitance, sensor 24According to the change of capacitance, can judge the distance of user and inductive layer 23. When display unit 2 is carried outWhen call function, because user will be near receiver, therefore comply with passback sensing signal and former sensing by sensorThe variable quantity producing between signal is with the whether close inductive layer 23 of judgment object, if variable quantity is greater than predetermined valueTime, judge that the distance between user and inductive layer 23 is less than a predetermined value (being for example less than 3 centimetres),(as shown in Figure 5) closed in a display frame by display unit 2 simultaneously, so that display unit 2 is in economizingThe state of electricity. In addition, more the touch controllable function of display unit 2 can be closed, to avoid cheek and press close to and haveThe situation of false touch display unit 2 occurs.
The display unit 2 of the present embodiment more can comprise a touch-control viewing area D, a touch control electrode layer 25 andOne metal level 26. Wherein, panel body 21 is to be positioned at touch-control viewing area D at least partly, that is panel originallyBody 21 is across shielded area S and touch-control viewing area D. Touch control electrode layer 25 is positioned at touching of panel body 21Control viewing area D, and as the touch-control sensing electrode of contact panel in display unit 2, to judge that touching occursCoordinate, according to the set type of touch-control sensing electrode, and can be divided into one side conductive structure (SITO), twoFace conductive structure (DITO) or form integrated touch control induction structure (WindowsIntegratedSensor,WIS) contact panel.
Metal level 26 is arranged at shielded area S, metal level 26 electrically connect sensors 24 and inductive layer 23,Make display unit 2 whether to respond to user near display unit 2 by inductive layer 23. In addition, metalAlso electrically connect sensor 24 and touch control electrode layer 25 of layer 26, sensor 24 can be by touch control electrode layer 25Be sensed in the touched position of D, touch-control viewing area, in order to do making display unit 2 there is touch controllable function.
In addition, display unit 2 has more a protective layer 27, and as shown in Figures 3 and 4, it is to be covered in screeningCover layer 22, inductive layer 23, touch control electrode layer 25 and metal level 26. Protective layer 27 has corrosion-resistant and resistance toThe characteristic of abrasion, can effectively protect shielding layer 22, inductive layer 23, touch control electrode layer 25 and metal level 26,And can avoid impurity and dust to enter. Display unit 2 more can have an insulating barrier (figure does not illustrate) in inductionBetween layer 23 and shielding layer 22. Can effectively produce the effect of insulation, avoid electrically conducting.
Please refer to shown in Fig. 6 its profile of an aspect again that is display unit of the present invention. In above-mentioned realityExecute example different, the shielding layer 22a system of the display unit 2a of the present embodiment does not have opening, makes in aobviousThe front of showing device 2a does not show trade mark or the mark of electronic product. In addition, inductive layer 23a system is arranged at screeningCover on layer 22a, in order to do making inductive layer 23a sensing user whether to approach display unit 2a.
The structure that is more than the display unit 2 disclosed for the present invention is discussed, continue, still based onAbove-mentioned graphic (Fig. 2 to Fig. 5), and use the example that is applied as in reality with display unit 2, propose in detailThin explanation is to explain the image close method of this display unit 2.
Please refer to shown in Fig. 7 the step of the image close method of its display unit that is preferred embodiment of the present inventionRapid flow chart. Display unit 2 comprises an inductive layer 23 and a sensor 24. Inductive layer 23 and sensor24 electrically connects, inductive layer 23 is positioned at a shielded area S. Image close method comprises step S01 to stepS04。
Step S01, sensor 24 is exported a driving signal to inductive layer 23. Sensor 24 is to drive signalDrive and conducting inductive layer 23, make inductive layer 23 become an electrode of for example electric capacity. When display unit 2While not opening a call function, sensor 24 is to continue to give inductive layer 23 into the output of horizontal-drive signal.
Step S02, the distance distance of inductive layer 23 sensing one objects also returns a sensing signal to sensor24. Wherein, object can be a human body or a user. Due to, when object is near the induction of display unit 2Layer 23 o'clock, produces a coupling capacitance between object and inductive layer 23, according to the change of capacitance with sensingSignal return, to sensor 24, gets final product the distance of judgment object and inductive layer 23.
Step S03, sensor 24 according to the variable quantity producing between the sensing signal returning and former sensing signal isThe no preset value that is greater than, to determine whether close a display frame. Sensor 24 is according to the sensing letter of passbackNumber and former sensing signal between variable quantity with judgment object whether near inductive layer 23.
Step S04, if the variable quantity of sensing signal is greater than preset value, closes the demonstration picture of display unit 2Face. When a call function of display unit 2 is opened, and the variable quantity of sensing signal is while being greater than preset value,Close the display frame of display unit 2. Wherein, the variable quantity of sensing signal is greater than preset value and represents object distanceTo be less than 3 centimetres from display unit 2. In more detail, when display unit 2 is carried out call function, and borrowBy the variable quantity producing between the sensing signal returning and former sensing signal to differentiate object and display unit 2The distance of inductive layer 23, in the time that variable quantity is greater than preset value, can differentiate the sense of object and display unit 2Distance that should layer is while being less than 3 centimetres, and sensor 24 sends one and cuts out picture signal to display unit 2One display driver (figure do not illustrate), display driver close according to closing picture signal display frame (asShown in Fig. 5), make display unit 2 in the time carrying out call function, can save the energy resource consumption of display frame,Unnecessary electric power avoids waste. Wherein, when display unit 2 is closed display frame, the call of display unit 2Function is held open.
Please refer to shown in Fig. 2 and Fig. 3, the present invention also provides a kind of touch control display system to comprise a display unit2 and an input block (figure does not illustrate). The display unit 2 of the present embodiment is for example that a contact panel is aobviousShow device. Display unit 2 comprises a panel body 21, a shielding layer 22, an inductive layer 23 and a sensingDevice 24. Panel body 21 has a touch-control viewing area D. Shielding layer 22 is located on touching of panel body 21Control viewing area D, and form a shielded area S. Inductive layer 23 is arranged at shielded area S. Sensor 24 is electricalBe coupled to inductive layer 23. Wherein, panel body 21, shielding layer 22, inductive layer 23 and sensor 24Among above-described embodiment, panel body 21, shielding layer 22,22a, inductive layer 23,23a and sensingDevice 24 has identical technical characterictic, therefore repeat no more in this.
Input block is coupled to display unit 2, in order to provide input signal to display unit 2, makes to show dressPut 2 generation show images.
Touch control display system comprises that one has the electronic installation of display unit 2. Electronic installation is for example a flat boardComputer, a projector, an e-book, a notebook computer, a mobile phone, a digital camera, a numberWord assistant, a desktop computer, a television set, a vehicle display or a portable DVD player.
In sum, touch control display system of the present invention, display unit and image close method thereof, arrange toolThere is the inductive layer of conductive material in shielded area, and inductive layer and sensor are electrically coupled, make the sensor canDrive and conducting inductive layer. The distance distance of inductive layer object sensing also returns sensing signal to sensor, borrowsThis, whether the variable quantity producing between the sensing signal of differentiation passback and former sensing signal is greater than a preset value.When display unit is in carrying out call function, and the variable quantity of sensing signal is while being greater than preset value, closes demonstrationDisplay frame and or the touch controllable function of device. Compared to the prior art, touch control display system of the present invention,Display unit and image close method, replace the setting of traditional infrared ray sensor with inductive layer, not only canSave material cost, also can be in order to differentiate the distance between object and inductive layer, make display unit logical in carrying outWhen words function, display frame can be closed, to save energy resource consumption, the electric power that avoids waste, more can avoid mistakeTouch in contact panel and carry out other functions.
Although the present invention discloses as above with preferred embodiment, so it is not in order to limit the present invention, Ren HebenThose skilled in the art, without departing from the spirit and scope of the present invention, when doing a little amendment and perfect,Therefore protection scope of the present invention is worked as with being as the criterion that claims were defined.
Claims (12)
1. a display unit, comprises:
One panel body, has a upper surface and a lower surface, and this lower surface has a touch-control viewing area;
One touch control electrode layer, is positioned at this touch-control viewing area of this panel body;
One shielding layer, is located on this touch-control viewing area of this panel body, and forms a shielded area, and this coversLayer has at least one patterning opening and exposes this lower surface of a part;
One inductive layer, is arranged at this shielded area, and this inductive layer is arranged in this patterning opening at least partly;And
One sensor, is electrically coupled to this inductive layer.
2. display unit as claimed in claim 1, is characterized in that, this inductive layer is arranged at this shielding layerOn.
3. display unit as claimed in claim 1, is characterized in that, this inductive layer has conductive material.
4. display unit as claimed in claim 1, is characterized in that, the material of this inductive layer be silver slurry orAluminium paste.
5. display unit as claimed in claim 1, is characterized in that, this inductive layer is conductive ink.
6. display unit as claimed in claim 1, also comprises:
One metal level, is positioned at this shielded area, and is electrically connected at this touch control electrode layer.
7. display unit as claimed in claim 6, also comprises:
One protective layer, covers this metal level and this touch control electrode layer.
8. display unit as claimed in claim 6, is characterized in that, this metal level of part is electrically connectThis inductive layer and this sensor.
9. display unit as claimed in claim 1, is characterized in that, it is many that this shielding layer is that patterning formsIndividual opening.
10. a touch control display system, comprising:
One display unit, comprises as the wherein display unit as described in any one of claim 1 to 9; And
One input unit, is coupled to this display unit, in order to provide input signal to this display unit, makes thisDisplay unit produces show image.
11. touch control display systems as claimed in claim 10, is characterized in that, this touch control display system bagDraw together an electronic installation with this display unit.
12. touch control display systems as claimed in claim 11, is characterized in that, this electronic installation comprises onePanel computer, a projector, an e-book, a notebook computer, a mobile phone, a digital camera, onePersonal digital assistant, a desktop computer, a television set, a vehicle display or a portable DVD playDevice.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210054800.2A CN103294240B (en) | 2012-03-05 | 2012-03-05 | Touch control display system, display unit and image close method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210054800.2A CN103294240B (en) | 2012-03-05 | 2012-03-05 | Touch control display system, display unit and image close method thereof |
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| CN103294240A CN103294240A (en) | 2013-09-11 |
| CN103294240B true CN103294240B (en) | 2016-05-25 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI518571B (en) * | 2013-10-31 | 2016-01-21 | 友達光電股份有限公司 | Touch device and driving method thereof |
| CN106033276B (en) * | 2015-03-18 | 2019-04-02 | 宸鸿科技(厦门)有限公司 | Touch panel and its manufacturing method |
| CN108803956B (en) * | 2018-06-27 | 2021-08-24 | 东莞市显触光电科技有限公司 | Pure plane special-shaped four-wire resistive touch screen with decorative panels in two-layer structure |
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| CN1263385A (en) * | 1999-02-03 | 2000-08-16 | 摩托罗拉公司 | Sensor-controlled user's interface in portable communication equipment |
| CN101893992A (en) * | 2006-09-06 | 2010-11-24 | 苹果公司 | Portable electronic device for photo management |
| CN101937281A (en) * | 2009-06-30 | 2011-01-05 | 索尼公司 | Touch panel and method of manufacturing the same |
| TW201207693A (en) * | 2010-08-05 | 2012-02-16 | Sipix Chemical Inc | Decoration film and decoration device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8381135B2 (en) * | 2004-07-30 | 2013-02-19 | Apple Inc. | Proximity detector in handheld device |
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| CN1263385A (en) * | 1999-02-03 | 2000-08-16 | 摩托罗拉公司 | Sensor-controlled user's interface in portable communication equipment |
| CN101893992A (en) * | 2006-09-06 | 2010-11-24 | 苹果公司 | Portable electronic device for photo management |
| CN101937281A (en) * | 2009-06-30 | 2011-01-05 | 索尼公司 | Touch panel and method of manufacturing the same |
| TW201207693A (en) * | 2010-08-05 | 2012-02-16 | Sipix Chemical Inc | Decoration film and decoration device |
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Address after: 518100 Longhua, Shenzhen, town, Foxconn science and Technology Industrial Park E District, building 4, building 1, building Applicant after: Qunkang Technology (Shenzhen) Co., Ltd. Applicant after: Innolux Display Group Address before: 518100 Longhua, Shenzhen, town, Foxconn science and Technology Industrial Park E District, building 4, building 1, building Applicant before: Qunkang Technology (Shenzhen) Co., Ltd. Applicant before: Chimei Optoelectronics Co., Ltd. |
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