CN107797703B - Touch display device and terminal - Google Patents
Touch display device and terminalDownload PDFInfo
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- CN107797703B CN107797703BCN201711009246.5ACN201711009246ACN107797703BCN 107797703 BCN107797703 BCN 107797703BCN 201711009246 ACN201711009246 ACN 201711009246ACN 107797703 BCN107797703 BCN 107797703B
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Technical Field
The invention relates to the technical field of display, in particular to a touch display device and a terminal.
Background
In the prior art, the operations of adjusting brightness, sound size, fast forward and backward, sharing web pages and the like of a computer are all realized by a user clicking corresponding function keys or operating in a mouse mode. Because the function keys on the keyboard are more, and some functions need to be realized by pressing the combination key simultaneously, the operation is inconvenient, the interest of human-computer interaction is low, and the experience effect of a user is poor. Although the Macbook of apple inc sets the touch display bar, it only displays virtual keys for adjusting brightness, sound, fast forward and backward, etc. at corresponding positions on the touch display bar, and a user can only control a computer to implement corresponding operations when touching the corresponding positions of the virtual keys, and cannot implement corresponding control according to the touch gestures of the user, which results in poor user experience.
Disclosure of Invention
In view of this, the present invention provides a touch display device and a terminal, which can accurately determine a touch gesture and a touch position of a user, thereby improving user experience.
The invention provides a touch display device, comprising: the display module comprises a first polaroid, a pressure electrode layer, a display module and a flexible circuit board; the first polaroid is arranged above the display module, the pressure electrode layer is arranged on one end face, close to the display module, of the first polaroid, and the pressure electrode layer is electrically connected with the flexible circuit board.
Further, the pressure electrode layer comprises a first electrode, a second electrode and a plurality of pressure touch control electrodes; the first electrode and the second electrode are respectively arranged on two sides of the pressure electrode layer, the pressure touch electrodes are arranged between the first electrode and the second electrode, and the first electrode, the second electrode and the pressure touch electrodes are respectively electrically connected with the flexible circuit board.
Furthermore, the plurality of pressure touch electrodes are uniformly arranged in an array along the extending direction of the first electrode or the second electrode, a first preset interval is arranged between two adjacent pressure touch electrodes, and a second preset interval is arranged between the plurality of pressure touch electrodes and the first electrode or the second electrode.
Further, each pressure touch electrode is shaped in an arrow shape or a rectangle.
Furthermore, the first electrode, the second electrode and the pressure touch electrode are made of transparent conductive materials or metal materials.
Furthermore, the touch display device further comprises a glass protection plate and an optical adhesive layer, wherein the glass protection plate is fixedly adhered to the end face, far away from the display module, of the first polarizer through the optical adhesive layer.
Furthermore, the display module is a liquid crystal display module or an organic electroluminescence display module.
Furthermore, the touch display device further comprises a pressure touch chip, wherein the pressure touch chip is arranged on the flexible circuit board and is electrically connected with the pressure electrode layer through the flexible circuit board.
The invention further provides a terminal which comprises a display screen and a keyboard, wherein the keyboard is electrically connected with the display screen, and the keyboard comprises the touch display device.
Further, the touch display device is arranged in the keyboard, and a flexible circuit board of the touch display device is electrically connected with a processor arranged in the keyboard.
Therefore, the touch display device and the terminal provided by the embodiment can accurately judge the touch gesture and the touch position of the user through the pressure electrode layer arranged on the touch display device, and improve the user experience.
In order to make the aforementioned and other objects, features and advantages of the invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
Fig. 1 is a schematic structural diagram of a touch display device according to a first embodiment of the invention.
Fig. 2 is a schematic structural diagram of a pressure electrode layer in the touch display device in fig. 1.
Fig. 3 is a schematic structural diagram of a touch display device according to a second embodiment of the invention.
Fig. 4 is a block diagram of a terminal according to a third embodiment of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the intended purpose, the following detailed description is given to specific embodiments, methods, steps, structures, features and effects of a touch display device and a terminal according to the present invention with reference to the accompanying drawings and preferred embodiments.
The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments, as illustrated in the accompanying drawings. While the invention has been described in connection with specific embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of atouch display device 100 according to a first embodiment of the present disclosure. As shown in fig. 1, thetouch display device 100 includes: the display device comprises afirst polarizer 11, apressure electrode layer 12, adisplay module 13 and aflexible circuit board 18. Specifically, in the present embodiment, thefirst polarizer 11 is disposed above thedisplay module 13, thepressure electrode layer 12 is disposed on an end surface of thefirst polarizer 11 close to thedisplay module 13, and thepressure electrode layer 12 is electrically connected to theflexible circuit board 18.
Specifically, in the embodiment, theDisplay module 13 is illustrated as a liquid crystal Display module, but the invention is not limited thereto, and for example, in other embodiments, theDisplay module 13 may also be an Organic electroluminescent Display (OELD) module.
Specifically, thedisplay module 13 includes acolor film substrate 14, aliquid crystal layer 15, a TFT substrate 16, and thetouch display device 100 further includes asecond polarizer 17. Specifically, in this embodiment, theliquid crystal layer 15 is disposed between thecolor filter substrate 14 and the TFT substrate 16, thesecond polarizer 17 is disposed on an end surface of the TFT substrate 16 away from theliquid crystal layer 15, thepressure electrode layer 12 is disposed on an end surface of thecolor filter substrate 14 away from theliquid crystal layer 15, and thefirst polarizer 11 is disposed on an end surface of thepressure electrode layer 12 away from thecolor filter substrate 14. Further, thetouch display device 100 further includes a backlight module (not shown), and the backlight module is disposed below thesecond polarizer 17, but is not limited thereto.
Referring to fig. 2, fig. 2 is a schematic structural diagram of thepressure electrode layer 12 in thetouch display device 100 in fig. 1. As shown in fig. 1 and fig. 2, in the present embodiment, thepressure electrode layer 12 includes afirst electrode 121, asecond electrode 122 and a plurality ofpressure touch electrodes 123. Thepressure electrode layer 12 has a rectangular shape in plan view. Specifically, in the present embodiment, the width of thepressure electrode layer 12 may be, but is not limited to, 9mm, for example, in other embodiments, the width of thepressure electrode layer 12 may also be designed to be a width longer or shorter than 9 mm. The length of thepressure electrode layer 12 may be, but is not limited to, 260mm, for example, in other embodiments, the length of thepressure electrode layer 12 may be designed to be longer or shorter than 260 mm.
Specifically, in the present embodiment, thefirst electrode 121 and thesecond electrode 122 are respectively disposed on two sides of thepressure electrode layer 12, specifically, thefirst electrode 121 is disposed on a first side portion of thepressure electrode layer 12, thesecond electrode 122 is disposed on a second side portion of thepressure electrode layer 12, and the first side portion and the second side portion of thepressure electrode layer 12 are disposed opposite to each other, but not limited thereto.
Specifically, in the present embodiment, the plurality ofpressure touch electrodes 123 are disposed between thefirst electrode 121 and thesecond electrode 122, and thefirst electrode 121, thesecond electrode 122 and the plurality ofpressure touch electrodes 123 are electrically connected to theflexible circuit board 18 respectively. Specifically, the plurality ofpressure touch electrodes 123 are uniformly arranged in an array along the extending direction of thefirst electrode 121 or thesecond electrode 122, and a first preset interval is formed between two adjacentpressure touch electrodes 123. A second preset interval is formed between thepressure touch electrodes 123 and thefirst electrode 121 or thesecond electrode 122.
Specifically, in one embodiment, when the material of thepressure touch electrode 123 is a transparent conductive material such as Indium Tin Oxide (ITO), the first predetermined interval may be, but is not limited to, greater than or equal to 20 μm, and for example, in other embodiments, when the material of thepressure touch electrode 123 is a metal mesh made of a metal material such as copper or an alloy, the first predetermined interval may be, but is not limited to, greater than or equal to 4 μm. The second preset interval may be, but is not limited to, greater than or equal to 4 μm.
Specifically, in one embodiment, the shape of eachpressure touch electrode 123 is an arrow shape or a rectangle, but is not limited thereto. Specifically, in the present embodiment, the shape of thepressure touch electrode 123 is illustrated by taking an arrow shape as an example, specifically, the protruding portion of eachpressure touch electrode 123 is oriented uniformly, the width of eachpressure touch electrode 123 may be, but is not limited to, greater than or equal to 4mm and less than or equal to 7mm, and the length of eachpressure touch electrode 123 may be, but is not limited to, greater than or equal to 4mm and less than or equal to 7 mm. Preferably, the width of eachpressure touch electrode 123 is 5mm, and the length of eachpressure touch electrode 123 is 6mm, but not limited thereto. Further, in the present embodiment, the protruding portion of eachpressure touch electrode 123 is located in the recessed portion formed by the adjacentpressure touch electrode 123, but is not limited thereto.
Specifically, in one embodiment, the materials of thefirst electrode 121, thesecond electrode 122 and thepressure touch electrode 123 may be, but not limited to, Indium Tin Oxide (ITO) and other transparent conductive materials, for example, the material of thepressure touch electrode 123 may be Indium Tin Oxide (ITO), the materials of thefirst electrode 121 and thesecond electrode 122 may be, but not limited to, metal grids made of copper materials, and other materials of thefirst electrode 121, thesecond electrode 122 and thepressure touch electrode 123 may be, but not limited to, metal grids made of copper and other metal materials.
Specifically, in the present embodiment, thetouch display device 100 further includes apressure touch chip 21. Thepressure touch chip 21 may be, but is not limited to, disposed on theflexible circuit board 18, and is electrically connected to thepressure electrode layer 12 through theflexible circuit board 18. Specifically, thepressure touch chip 21 is electrically connected to the plurality ofpressure touch electrodes 123 one by one through theflexible circuit board 18. Specifically, in the present embodiment, thepressure touch chip 21 is further electrically connected to thefirst electrode 121 and thesecond electrode 122 through theflexible circuit board 18. Specifically, in the present embodiment, theflexible circuit board 18 is electrically connected to thepressure electrode layer 12 in a short edge-out PIN manner, so that the space of thetouch display device 100 can be saved.
Specifically, in the present embodiment, the up-and-down sliding of thetouch display device 100 can be obtained by, but not limited to, determining the sliding gesture of the user through the variation of the sensing amount of thefirst electrode 121 and thesecond electrode 122. For example, when the user first touches thefirst electrode 121 and slides towards thesecond electrode 122, thetouch display device 100 detects the downward sliding and controls the corresponding application, such as controlling the terminal to make sound smaller, display brightness to become darker, play progress to fast forward, page back, and the like, but is not limited thereto. For example, when the user first touches thesecond electrode 122 and slides towards thefirst electrode 121, thetouch display device 100 detects the upward sliding and controls the corresponding application, such as controlling the terminal to make a sound larger, the display brightness to be brighter, the playing progress to be backward, and the page to be turned forward, but not limited thereto.
Specifically, in the present embodiment, thepressure touch electrode 123 of thetouch display device 100 may be, but is not limited to, a self-capacitance electrode, so as to determine the position touched by the user by detecting coordinates through the self-capacitance electrode. Specifically, when the user's finger touches the screen of thetouch display device 100, the touch point can be accurately located through area sensing when the touch areas of thepressure touch electrode 124 and thepressure touch electrode 125 are different. For example, when the user's finger simultaneously touches thepressure touch electrode 124 and thepressure touch electrode 125, and the touch area of thepressure touch electrode 124 is smaller than the touch area of thepressure touch electrode 125, thetouch display device 100 determines that the position currently touched by the user is located on thepressure touch electrode 125, but is not limited thereto. When the finger of the user touches thepressure touch electrode 124 and thepressure touch electrode 125 simultaneously, and the touch area of thepressure touch electrode 124 is equal to the touch area of thepressure touch electrode 125, thetouch display device 100 determines that the position currently touched by the user is located on thepressure touch electrode 123 including the touch area covering protrusion, for example, when the protrusion of thepressure touch electrode 123 is located under the touch area of the user, thetouch display device 100 determines that the position currently touched by the user is located on thepressure touch electrode 125, but is not limited thereto.
Specifically, in the present embodiment, thepressure touch electrode 123 of thetouch display device 100 adopts a self-capacitance driving principle. Specifically, when a user presses the screen of thetouch display device 100 with a finger, the screen deforms slightly downward, so that the distance between thefirst polarizer 11 and thepressure touch electrode 123 is shortened, the current pressure can be rapidly calculated through a mathematical algorithm, and a signal detected by any one of thepressure touch electrodes 123 can be compared with a signal detected by the adjacentpressure touch electrode 123, and the area of the touch area of the finger of the user is sensed, so that the position and the force pressed by the finger of the user can be determined.
Therefore, thetouch display device 100 provided in this embodiment can accurately determine the touch gesture and the touch position of the user through thepressure electrode layer 12 disposed on thetouch display device 100, so as to improve the user experience.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a touch display device 100' according to a second embodiment of the invention. As shown in fig. 2 and fig. 3, the touch display device 100 'provided in this embodiment has substantially the same structure and principle as thetouch display device 100 provided in the first embodiment, except that the touch display device 100' further includes aglass protection plate 22 and an opticaladhesive layer 23. Specifically, in the present embodiment, theglass protection plate 22 is adhered and fixed on an end surface of thefirst polarizer 11 away from thedisplay module 13 through an opticaladhesive layer 23.
Specifically, in the present embodiment, when the user's finger presses theglass protection plate 22, theglass protection plate 22 is deformed slightly due to the force applied thereto, so that the distance between theglass protection plate 22 and thepressure touch electrodes 123 is reduced, and the current pressure can be rapidly calculated by using a mathematical algorithm, and the signal detected by any one of thepressure touch electrodes 123 can be compared with the signal detected by the adjacentpressure touch electrode 123, and the area of the touch area of the user's finger is sensed, so that the position and the strength pressed by the user's finger can be determined.
Therefore, in the touch display device 100 ' provided in this embodiment, theglass protection plate 22 and the opticaladhesive layer 23 are disposed on the end surface of thefirst polarizer 11 away from thedisplay module 13, so as to increase the distance between the touch position and thepressure electrode layer 12, thereby improving the pressure touch sensitivity, determining the position and strength of the user's finger pressing more accurately, improving the scratch resistance of the surface of the touch display device 100 ', and improving the user experience.
Referring to fig. 4, fig. 4 is a block diagram of a terminal 200 according to a third embodiment of the present invention. As shown in fig. 4, in the embodiment, the terminal 200 includes adisplay 210 and akeypad 220, and thekeypad 220 is electrically connected to thedisplay 210.
Specifically, in the present embodiment, thekeyboard 220 may include, but is not limited to, anF area 222 disposed on the end surface and aprocessor 224 disposed inside thekeyboard 220. The touch display device 100,100 'is disposed in thekeyboard 220, and particularly, but not limited to, thetouch display device 100, 100' may be disposed in theF region 222 of thekeyboard 220. Theflexible circuit board 18 of the touch display device 100,100 ' is electrically connected to theprocessor 224 disposed in thekeyboard 220, specifically, thepressure touch chip 21 in theflexible circuit board 18 is electrically connected to theprocessor 224 through theflexible circuit board 18 to output the touch signal detected by the touch display device 100,100 ' to theprocessor 224, and theprocessor 224 controls the terminal 200 to perform corresponding operations according to the received touch signal, for example, a user can press thepressure electrode layer 12 of the touch display device 100,100 ' to adjust the sound, brightness, favorite emoticons, or the like of the terminal 200, or share webpages, games, APPs, or the like, but is not limited thereto. Specifically, the user may also pop up and display the F1-F12 keys by pressing the menu icons of the touch display device 100,100 'with force, specifically pop up and display the F1-F12 keys when thetouch display device 100, 100' detects that the pressure is greater than the preset pressure value, so as to control the terminal 200 to implement corresponding operations by pressing different keys and combinations thereof, so as to replace the physical keys of the F1-F12 in thekeyboard 220, thereby enhancing the interest of the human-computer interaction, but not limited thereto. The terminal 200 may be, but is not limited to, an all-in-one notebook, a split notebook, a desktop computer, and the like.
Therefore, in the terminal 200 provided in this embodiment, thetouch display devices 100 and 100 ' are disposed in thekeyboard 220 of the terminal 200, and specifically, thetouch display devices 100 and 100 ' can be disposed in theF region 222 of thekeyboard 220 of the terminal 200, so that the number of F keys of thekeyboard 220 can be reduced, the terminal 200 can be controlled to perform corresponding operations according to the pressed position and the pressed pressure of the user, the sound and the brightness of the terminal 200 can be adjusted according to the sliding gesture of the user on thetouch display devices 100 and 100 ', and the user experience is improved.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A touch display device, comprising: the display module comprises a first polaroid, a pressure electrode layer, a display module and a flexible circuit board; the first polaroid is arranged above the display module, the pressure electrode layer is arranged on one end face, close to the display module, of the first polaroid and is electrically connected with the flexible circuit board, and the pressure electrode layer comprises a first electrode, a second electrode and a plurality of pressure touch control electrodes; the first electrode is arranged on a first side portion of the pressure electrode layer, the second electrode is arranged on a second side portion of the pressure electrode layer, the first side portion and the second side portion of the pressure electrode layer are arranged oppositely, the plurality of pressure touch control electrodes are arranged between the first electrode and the second electrode, and the first electrode, the second electrode and the plurality of pressure touch control electrodes are respectively electrically connected with the flexible circuit board; the sliding gesture of the user is judged through the change of the induction quantity of the first electrode and the second electrode, the position touched by the user is judged through the detection coordinates of the pressure touch electrode, and the position pressed by the finger of the user and the strength are judged through the distance between the pressure touch electrode and the first polaroid, the comparison of the signals detected by the pressure touch electrode and the pressure touch electrode adjacent to the pressure touch electrode, and the area induction of the touch area of the finger of the user.
2. The touch display device of claim 1, wherein the plurality of pressure touch electrodes are arranged in a uniform array along an extending direction of the first electrode or the second electrode, a first preset interval is provided between two adjacent pressure touch electrodes, and a second preset interval is provided between the plurality of pressure touch electrodes and the first electrode or the second electrode.
3. The touch display device of claim 1, wherein the pressure touch electrode is shaped as an arrow or a rectangle.
4. The touch display device of claim 1, wherein the first electrode, the second electrode, and the pressure touch electrode are made of a transparent conductive material or a metal material.
5. The touch display device according to claim 1, further comprising a glass protection plate and an optical adhesive layer, wherein the glass protection plate is fixed to an end surface of the first polarizer, which is away from the display module, through the optical adhesive layer.
6. The touch display device of claim 1, wherein the display module is a liquid crystal display module or an organic electroluminescent display module.
7. The touch display device according to claim 1, further comprising a pressure touch chip disposed on the flexible circuit board and electrically connected to the pressure electrode layer through the flexible circuit board.
8. A terminal comprising a display screen and a keyboard electrically connected to the display screen, wherein the keyboard comprises a touch display device according to any one of claims 1 to 7.
9. The terminal of claim 8, wherein the touch display device is disposed in the keyboard, and wherein a flexible circuit board of the touch display device is electrically connected to a processor disposed within the keyboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711009246.5ACN107797703B (en) | 2017-10-25 | 2017-10-25 | Touch display device and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711009246.5ACN107797703B (en) | 2017-10-25 | 2017-10-25 | Touch display device and terminal |
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| CN107797703A CN107797703A (en) | 2018-03-13 |
| CN107797703Btrue CN107797703B (en) | 2021-03-23 |
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| CN201711009246.5AActiveCN107797703B (en) | 2017-10-25 | 2017-10-25 | Touch display device and terminal |
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| TWI604366B (en)* | 2015-08-11 | 2017-11-01 | 瑞鼎科技股份有限公司 | Capacitive force sensing touch panel |
| KR102490624B1 (en)* | 2015-10-30 | 2023-01-20 | 엘지디스플레이 주식회사 | Flexible Display and Method for Manufacturing the Same |
| CN105739756B (en)* | 2016-01-19 | 2018-12-25 | 北京小米移动软件有限公司 | terminal electronic device |
| TWI602101B (en)* | 2016-11-11 | 2017-10-11 | 友達光電股份有限公司 | Touch display panel with force sensor |
| CN107153483B (en)* | 2017-05-09 | 2019-12-03 | 京东方科技集团股份有限公司 | A kind of touch-control display module, display device and its driving method |
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| CN106462277A (en)* | 2014-06-20 | 2017-02-22 | 株式会社村田制作所 | Touch panel and input operation terminal |
| CN105320346A (en)* | 2014-08-01 | 2016-02-10 | 希迪普公司 | Touch input device |
| CN106648266A (en)* | 2015-11-09 | 2017-05-10 | 京东方科技集团股份有限公司 | Display device with pressure sensitive touch control function and driving method |
| CN107179847A (en)* | 2016-03-09 | 2017-09-19 | 株式会社日本显示器 | Detection means, display device and electronic equipment |
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