CN106933420B - Tactile feedback film and touch screen - Google Patents
Tactile feedback film and touch screen Download PDFInfo
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- CN106933420B CN106933420B CN201710150584.4A CN201710150584A CN106933420B CN 106933420 B CN106933420 B CN 106933420B CN 201710150584 A CN201710150584 A CN 201710150584A CN 106933420 B CN106933420 B CN 106933420B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- Theoretical Computer Science (AREA)
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- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
- Laminated Bodies (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The application discloses tactile feedback membrane includes: a lower conductive film on which positive or negative charges are distributed; the upper conductive film is arranged above the lower conductive film and comprises a plurality of microflow units, and the microflow units are used for distributing charges which are the same as or different from the charges of the lower conductive film. The electric charge attribute of the micro-flow unit in the upper conductive film is controlled to form repulsion or attraction with the electric charge attribute of the lower conductive film, so that the micro-flow unit is raised or depressed, the upper conductive film simulates the appearance of an object displayed by the current display, and when touch operation is carried out, the touch feeling is more real. The invention also discloses a touch screen with the beneficial effects.
Description
Technical Field
The invention relates to the technical field of touch control, in particular to a touch feedback film and a touch screen.
Background
For traditional touch display, such as high-end mobile phones, large VR experience equipment and the like, when a planar panel of the traditional touch display is touched, single vibration feedback can be given to people only through a built-in motor, the touch characteristics such as the appearance of a displayed object cannot be really sensed, and the interaction effect is poor. With the increasing demand of the public for touch effect and quality, touch display devices with real touch feeling are receiving more and more attention.
Therefore, how to enhance the reality of the touch feeling when the user touches the surface of the touch display device is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a tactile feedback film which can effectively enhance the touch feeling when a user touches the surface of a touch display device.
To solve the above technical problem, the present invention provides a haptic feedback film comprising:
a lower conductive film on which positive or negative charges are distributed;
the upper conductive film is arranged above the lower conductive film and comprises a plurality of microflow units, and the microflow units are used for distributing charges which are the same as or different from the charges of the lower conductive film.
Preferably, in the haptic feedback film, a support portion is disposed between the upper conductive thin film and the lower conductive thin film, and the support portion is formed of a plurality of support units that divide the upper conductive thin film into the microfluidic units.
Preferably, in the haptic feedback film, the support unit has a cross section of a regular hexagon, a circle, or a rectangle.
Preferably, in the above tactile feedback film, the upper conductive thin film includes: connected to touch-sensitive screens
And the control circuit layer is used for controlling the micro-fluidic units to distribute the positive charges or the negative charges according to a display image.
Preferably, in the above tactile feedback film, the upper conductive thin film further includes:
and the anti-reflection layer is arranged on the upper surface of the control circuit layer and is used for reducing the reflectivity of natural light.
Preferably, in the above tactile feedback film, the upper conductive thin film further includes:
and the anti-glare layer is arranged on the lower surface of the anti-reflection layer and is used for scattering natural light.
Preferably, in the above tactile feedback film, the upper conductive thin film further includes:
and the anti-fingerprint layer is arranged on the upper surface of the anti-reflection layer.
Preferably, in the haptic feedback film, the upper conductive film and the lower conductive film are both polymer conductive films.
The invention also provides a touch screen which comprises a display, a touch screen arranged on the upper surface of the display and the tactile feedback film arranged on the upper surface of the touch screen.
Preferably, in the above touch screen, the touch screen further includes:
and the control module is connected with the lower conductive film and used for controlling the lower conductive film to distribute the positive charges or the negative charges according to a control instruction sent by a user.
The present invention provides a haptic feedback film comprising: a lower conductive film on which positive or negative charges are distributed; the upper conductive film is arranged above the lower conductive film and comprises a plurality of microflow units, and the microflow units are used for distributing charges which are the same as or different from the charges of the lower conductive film.
The electric charge attribute of the micro-flow unit in the upper conductive film is controlled to form repulsion or attraction with the electric charge attribute of the upper conductive film, so that the micro-flow unit is raised or depressed, the upper conductive film touched by a user simulates the appearance of an object displayed by the current display, and when touch operation is carried out, the touch feeling is more real.
The invention also provides a touch screen, which has the beneficial effects and is not repeated herein.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a top view of an upper conductive film according to an embodiment of the present invention;
FIG. 2 is a side view of a haptic feedback membrane provided by an embodiment of the present invention in the absence of touch;
FIG. 3 is a side view of a haptic feedback film in a touch situation as provided by an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a touch screen according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a top view of an upper conductive film according to an embodiment of the present invention; FIG. 2 is a side view of a haptic feedback membrane provided by an embodiment of the present invention in the absence of touch; FIG. 3 is a side view of a haptic feedback film in a touch situation provided by an embodiment of the invention.
The present invention provides a tactile feedback film 10 comprising:
a lower conductive film 04 in which positive or negative charges are distributed;
the conductive film 02 is arranged above the lower conductive film 04, the upper conductive film 02 comprises a plurality of micro-flow units 01, and the micro-flow units 01 are used for distributing charges which are the same as or different from the lower conductive film 04.
The lower conductive film 04 is completely attached to the touch screen 20 and does not deform, the upper conductive film 02 is arranged above the lower conductive film 04, a certain interval is formed between the upper conductive film 02 and the lower conductive film 04, the upper conductive film 02 comprises a plurality of micro-flow units 01, when charges of the micro-flow units 01 are the same as those of the lower conductive film 04, the micro-flow units 01 are convex, when the charges of the micro-flow units 01 are different from those of the lower conductive film 04, the micro-flow units 01 are concave, and the shape of a displayed object is simulated by controlling the charge property of the micro-flow units 01 in the upper conductive film 02 and the charge property of the lower conductive film 04, so that a user can really feel the outline of a touch object. In addition, due to the electrostatic feedback technology, the touch feeling of people can be more real by controlling the friction force generated by touch.
It should be noted that the microfluidic cells 01 are separated from the upper conductive film 02, and the more the microfluidic cells 01 are separated, the better the tactile effect.
On the basis of the tactile feedback film 10, a support portion 03 is disposed between the upper conductive film 02 and the lower conductive film 04, and the support portion 03 is composed of a plurality of support units that divide the upper conductive film 02 into the microfluidic units 01.
In order to effectively isolate the upper conductive film 02 from the lower conductive film 04, a support 03 is used, the support 03 includes a support plate parallel to the upper conductive film 02 and the lower conductive film 04, and a gap between the upper conductive film 02 and the lower conductive film 04 is filled with air.
Further, in the haptic feedback film 10 described above, the cross section of the support unit is a regular hexagon, a circle, or a rectangle.
The supporting units can be rectangular, regular hexagonal or other polygonal in cross section, and the like, and are arranged as required and within the protection range. For example, the support unit is a cylinder, outer walls of a plurality of cylinders are bonded to each other to divide the upper conductive film 02 into the microfluidic cells 01 having a circular shape, and the support portion 03 partitions the upper conductive film 02 in any manner within a protection range.
The tactile feedback film 10 further includes: is arranged on the upper surface of the upper conductive film 02,
an anti-glare layer for scattering natural light.
The display screen IC transmits an image signal to the touch screen 20IC, the touch screen 20IC sends a control signal to the control circuit layer in the upper conductive film to control the electrical property of the charges of the microfluidic units 01, and it should be noted that the control circuit layer controls each microfluidic unit 01 individually, and also can control several microfluidic units 01 therein, and the control circuit layer is set as required and is all within a protection range.
The tactile feedback film 10 further includes:
and the anti-reflection layer is arranged on the upper surface of the anti-glare layer and is used for reducing the reflectivity of natural light.
Wherein the anti-reflection layer may include a plurality of layers having a reflectance ranging from 0.1 to 1.0. Of course, the number of layers of the antireflection layer and the reflectance range include, but are not limited to, the above ranges, and the number and the reflectance range are set as necessary.
The tactile feedback film 10 further includes: and the anti-reflection layer is arranged on the upper surface of the anti-glare layer and is used for reducing the reflectivity of natural light.
When the incident light and the reflected light pass through the anti-glare layer, the light is scattered to all directions, and the anti-glare effect is achieved.
On the basis of the tactile feedback film 10, the upper conductive thin film 02 further includes: and the anti-fingerprint layer is arranged on the upper surface of the anti-reflection layer.
When a user touches the touch screen, the fingerprint of the user is not left, so that the screen is clean and clear, and a better display effect is achieved.
In conclusion, the anti-glare layer, the anti-reflection layer and the anti-fingerprint layer are integrated together to form one film, compared with the prior art, the total thickness of the optical film is reduced, the thickness of the optical film is finally reduced, and meanwhile, the cost is also reduced.
Preferably, in the tactile feedback film 10, the upper conductive film 02 and the lower conductive film 04 are both polymer conductive films.
The polymer conductive film is a flexible film and has good conductivity, graphene, carbon nanotubes and the like can be doped in the polymer conductive film, and the conductive film has better conductivity through the good conductivity of the graphene or the carbon nanotubes and the like.
The present invention further provides a touch screen 20, as shown in fig. 4, fig. 4 is a schematic structural diagram of the touch screen 20 according to the embodiment of the present invention.
The touch screen 20 comprises a display 30 and the touch screen 20 arranged on the upper surface of the display 30, and is characterized by further comprising any one of the tactile feedback films 10 arranged on the upper surface of the touch screen 20.
Further, in the touch screen 20, the method further includes:
and the control module is connected with the lower conductive film 04 and is used for controlling the lower conductive film 04 to distribute the positive charges or the negative charges according to a control instruction sent by a user.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (8)
1. A tactile feedback film, comprising:
a lower conductive film on which positive or negative charges are distributed;
the upper conductive film is arranged above the lower conductive film and comprises a plurality of micro-flow units, and the micro-flow units are used for distributing charges which are the same as or different from those of the lower conductive film;
a supporting part is arranged between the upper conductive film and the lower conductive film, the supporting part is composed of a plurality of supporting units which divide the upper conductive film into the micro-flow units, and the supporting part comprises supporting plates which are parallel up and down;
the upper conductive film includes:
and the control circuit layer is connected with the touch screen and used for controlling the micro-flow units to distribute the positive charges or the negative charges according to a display image.
2. A haptic feedback film as recited in claim 1 wherein said support unit has a cross section of a regular hexagon, a circle, or a rectangle.
3. A haptic feedback film as recited in claim 2 further comprising:
and the anti-dazzle layer is arranged on the upper surface of the upper conductive film and is used for scattering natural light.
4. A haptic feedback film as recited in claim 3 further comprising:
and the anti-reflection layer is arranged on the upper surface of the anti-glare layer and is used for reducing the reflectivity of natural light.
5. A haptic feedback film as recited in claim 4, wherein said upper conductive film further comprises:
and the anti-fingerprint layer is arranged on the upper surface of the anti-reflection layer.
6. A haptic feedback film as recited in any one of claims 1 to 5, wherein said upper conductive film and said lower conductive film are both polymer conductive films.
7. A touch screen comprising a display and a touch screen disposed on an upper surface of the display, further comprising the tactile feedback film according to any one of claims 1 to 6 disposed on the upper surface of the touch screen.
8. The touch screen of claim 7, further comprising:
and the control module is connected with the lower conductive film and used for controlling the lower conductive film to distribute the positive charges or the negative charges according to a control instruction sent by a user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710150584.4A CN106933420B (en) | 2017-03-14 | 2017-03-14 | Tactile feedback film and touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710150584.4A CN106933420B (en) | 2017-03-14 | 2017-03-14 | Tactile feedback film and touch screen |
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| Publication Number | Publication Date |
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| CN106933420A CN106933420A (en) | 2017-07-07 |
| CN106933420B true CN106933420B (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710150584.4A Active CN106933420B (en) | 2017-03-14 | 2017-03-14 | Tactile feedback film and touch screen |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825946A (en) * | 2009-03-03 | 2010-09-08 | 斯凯佩布尔联合有限责任公司 | The method and system of exciting dynamic tactile interface |
| CN102741788A (en) * | 2009-11-12 | 2012-10-17 | 森赛格公司 | Tactile stimulation apparatus having a composite section comprising a semiconducting material |
| CN105260056A (en) * | 2015-09-30 | 2016-01-20 | 信利光电股份有限公司 | Touch screen manufacturing method, touch screen and touch apparatus |
| CN105446515A (en) * | 2014-08-22 | 2016-03-30 | 联想(北京)有限公司 | Touch device and apparatus comprising same |
-
2017
- 2017-03-14 CN CN201710150584.4A patent/CN106933420B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825946A (en) * | 2009-03-03 | 2010-09-08 | 斯凯佩布尔联合有限责任公司 | The method and system of exciting dynamic tactile interface |
| CN102741788A (en) * | 2009-11-12 | 2012-10-17 | 森赛格公司 | Tactile stimulation apparatus having a composite section comprising a semiconducting material |
| CN105446515A (en) * | 2014-08-22 | 2016-03-30 | 联想(北京)有限公司 | Touch device and apparatus comprising same |
| CN105260056A (en) * | 2015-09-30 | 2016-01-20 | 信利光电股份有限公司 | Touch screen manufacturing method, touch screen and touch apparatus |
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| CN106933420A (en) | 2017-07-07 |
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