CN109213302B - Tactile feedback device and flexible display - Google Patents
Tactile feedback device and flexible display Download PDFInfo
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- CN109213302B CN109213302B CN201710516681.0A CN201710516681A CN109213302B CN 109213302 B CN109213302 B CN 109213302B CN 201710516681 A CN201710516681 A CN 201710516681A CN 109213302 B CN109213302 B CN 109213302B
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- feedback device
- touch
- tactile feedback
- particulate matter
- flexible panel
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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
- G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
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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
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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
- G06F2203/04102—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
Abstract
The invention discloses a touch feedback device and a flexible display, wherein the touch feedback device comprises a touch pad and a first particulate matter filled in a space between the touch pad and a flexible panel, and the first particulate matter does not block the luminescence of a luminescent region in the flexible panel. Alternatively, the tactile feedback device includes a touch pad, and second particulate matter filled in the non-emissive areas in the flexible panel. The flexible display comprises the tactile feedback device. According to the touch feedback device with the structure, when a user presses the touch pad, due to the arrangement of the particles, the user can feel the uneven touch very intuitively and timely, so that the user experience is improved; on the other hand, the arrangement of the tactile feedback device does not affect the light emission of the light emitting area in the flexible panel, so that the flexible display provides high-quality tactile feedback through the tactile feedback device while not affecting the normal use of the flexible display.
Description
Technical Field
The invention belongs to the technical field of display touch control, and particularly relates to a touch feedback device and a flexible display.
Background
Touch screens as user input devices have been widely used in electronic devices such as mobile phones, computers, cameras, and the like. The touch screen can replace a traditional mechanical key to input a user instruction to the electronic equipment, so that the user experience is improved, the user can obtain physical confirmation that the input instruction is received by the electronic equipment, and a touch feedback technology is developed aiming at the touch screen at present. The tactile feedback refers to feedback of force, vibration or motion applied to the user at a touch position when the user inputs an instruction to the electronic device through the touch screen.
The vibration feedback is a form of tactile feedback widely applied to electronic devices with non-flexible panels, for example, when a user touches a mobile phone screen to select an object on the screen or perform other related tasks, a vibration feedback device inside the mobile phone first detects touch information through a detection mechanism and then feeds the touch information back to a motor, and the motor generates vibration and feeds the vibration back to the user, so that the mobile phone gives tactile response to the user while performing a task input by the user.
However, when the existing feedback device formed by the detection mechanism and the vibration motor is applied to the flexible screen, the flexible screen has a certain buffer deformation amount, and the flexible screen can move under vibration feedback, so that vibration force sense is dispersed and cannot be concentrated and timely fed back to a user, and feedback hysteresis exists; meanwhile, the conventional tactile feedback device needs to be provided with a detection mechanism, a sensing mechanism and an actuating motor at the same time, has a complex structure, and consumes electric energy to feed back tactile sensation, resulting in short service life of the electronic device.
Disclosure of Invention
Therefore, the technical problem solved by the invention is that when the vibration feedback device in the prior art is applied to a flexible screen, the touch sense cannot be fed back to a user in a centralized and timely manner, and the problem of feedback hysteresis exists; and the complicated structure of the feedback device.
To this end, the invention provides a tactile feedback device comprising
The touch panel is arranged above the surface of the flexible panel along the light emergent direction of the flexible panel;
the first particles are filled in the space between the touch pad and the flexible panel; the first particles do not block the light emitting of the light emitting area in the flexible panel towards the direction of the touch pad.
Preferably, in the tactile feedback device, the first granules are non-transparent, and the first granules are filled in a first area of the space, which is opposite to the non-luminous area in the flexible panel.
Preferably, in the tactile feedback device, at least a part of the first granules in all the first granules is transparent;
the first particulate matters filled in the second area of the space, which is opposite to the light-emitting area of the flexible panel, are transparent.
Preferably, the tactile feedback device further comprises a feedback layer formed by a transparent soft object and disposed between the flexible panel and the touch pad, and the feedback layer is filled with the first particulate matter.
Preferably, the tactile feedback device further comprises second granules filled in the non-luminous area of the flexible panel.
Further preferably, in the tactile feedback device, the surface of the first granular material and/or the surface of the second granular material are/is uneven.
Further preferably, in the above touch-sensitive feedback device of the flexible display, the surface of the first particulate matter and/or the second particulate matter is serrated.
Preferably, in the tactile feedback device, the first particulate matter and the second particulate matter are the same particulate matter.
The invention provides a tactile feedback device in a flexible display, which comprises
The touch panel is arranged on the surface of the flexible panel along the light emergent direction of the flexible panel;
second particulate matter filled in the non-light emitting region in the flexible panel.
The invention provides a flexible display, comprising
A substrate having a desired control circuit;
a flexible panel disposed on the substrate;
the tactile feedback device is provided.
The technical scheme of the invention has the following advantages:
1. the invention provides a tactile feedback device in a flexible panel, which comprises a touch pad and first particles, wherein the first particles are filled in a space between the touch pad and the flexible panel and do not block the light emitting of a light emitting area in the flexible panel towards the direction of the touch pad. When a user presses the touch pad through touch and further presses the first particulate matter between the touch pad and the flexible panel, the concave-convex feeling generated by the first particulate matter enables the user to know that an input instruction is confirmed in time; meanwhile, the first granular substances do not block the light emitting area in the flexible panel from emitting light towards the direction of the touch pad, so that the flexible panel can be normally used while the tactile feedback effect is improved. In addition, the feedback device does not need to be provided with a detection mechanism, a sensing mechanism, a braking mechanism and other structures, so that the structure of the feedback device is simple and easy to realize, and the production cost of the touch feedback device is reduced; and meanwhile, extra electric energy consumption is not needed, and the service life of the electronic equipment with the flexible panel is prolonged.
2. According to the tactile feedback device provided by the invention, when the first particulate matters are in a non-transparent state, the first particulate matters are filled in the first area of the space, which is positioned in the flexible panel and is opposite to the non-luminous area. Or, at least part of the first particles are transparent in all the first particles; the first particulate matters filled in the second area of the space, which is opposite to the light-emitting area of the flexible panel, are transparent.
According to the touch feedback device with the structure, when the particles are transparent, the particles can be filled in any position of the space between the flexible panel and the touch pad; when the particulate matter is nontransparent form, the particulate matter can not fill in the second region that the light-emitting region just right to ensure this sense of touch feedback device and guarantee the normal luminous performance of flexible panel when giving the customer in time feedback unevenness's sense of touch.
3. The tactile feedback device further comprises a feedback layer which is arranged between the flexible panel and the touch control panel and is formed by a transparent soft object, and the feedback layer is filled with the first particulate matters. The feedback layer is as the filling medium of first particulate matter, and the space between touch-control board and flexible panel is convenient for fill first particulate matter when preparing above-mentioned feedback device, and the feedback layer is formed by transparent material, and the normal luminescence of luminous region in the guarantee flexible panel.
4. The tactile feedback device provided by the invention also comprises second particles filled in the non-luminous area of the flexible panel, and the quantity and occupied volume of the particles filled in the flexible display are increased by simultaneously filling the first particles and the second particles, so that the concave-convex tactile feedback obtained when a user touches and presses the touch pad is further enhanced.
5. According to the tactile feedback device provided by the invention, the surfaces of the first particulate matters and/or the second particulate matters are uneven surfaces, and the first particulate matters and the second particulate matters can provide more obvious tactile feedback with uneven feeling for a user when the user touches and presses the positions of the particulate matters through the uneven surfaces. When the surfaces of the first particulate matter and/or the second particulate matter are serrated, the surface area of the serrated protrusions is small, and the tactile sensation provided by the external force touch pressing is more obvious.
6. The touch feedback device comprises the touch pad and the second particulate matters, wherein the second particulate matters are filled in the non-luminous region in the flexible panel, and the second particulate matters filled in the non-luminous region can provide instant touch feedback with concave-convex feeling for a user when the user touches and presses the touch pad. The touch feedback device with the structure does not need extra occupied space, further simplifies the structure of the flexible display and is beneficial to industrial production and application.
7. The invention provides a flexible display comprising a substrate and a tactile feedback device according to any of the above. The flexible display is provided with the touch feedback device, so that when a user operates the flexible display, the particles can timely feed back a rugged feeling to the user, and the user experience is improved; meanwhile, the touch feedback device is simple in structure, does not consume electric energy additionally, and simplifies the structure of the flexible display with the touch feedback function.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of a tactile feedback device provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a tactile feedback device provided in embodiment 2 of the present invention;
fig. 3 is a schematic structural view of a tactile feedback device provided in embodiment 3 of the present invention;
fig. 4 is a schematic structural view of a tactile feedback device provided in embodiment 4 of the present invention;
description of reference numerals:
1-a touch pad;
2-feedback layer, 21-first region, 22-second region;
3-flexible panel, 31-non-light emitting area, 32-light emitting area;
4-first particulate matter;
5-second particulate matter.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The present embodiment provides a tactile feedback device, as shown in fig. 1, comprising a touch pad 1, a plurality of transparent first granules 4, and a feedback layer 2. Along the light-emitting direction of the flexible panel, the touch panel 1 is arranged above the surface of the flexible panel 3, and the feedback layer 2 is arranged between the flexible panel 3 and the touch panel 1. The first granules 4 are preferably transparent PC granules.
As shown in fig. 1, the feedback layer 2 is made of a soft transparent substance, such as transparent silicone. Transparent PC particles are filled in the feedback layer 2 in the second region 22 directly above the corresponding light-emitting region 32 and in the first region 21 directly above the non-light-emitting region 31. That is, transparent particles are filled in the whole feedback layer 2, and because the first particles 4 are in a transparent state, even if the transparent particles are filled in the feedback layer 2 and located in the second region 22 opposite to the light-emitting region 32 in the flexible panel 3, the transparent silica gel and the transparent PC particles do not affect the normal emission of light rays of the light-emitting region 32 towards the touch panel 1, so that the use of the flexible display is ensured. Simultaneously, the user presses the arbitrary position on the touch pad 1 and can both be in time felt the unevenness sensation that receives first particulate matter 4, has improved the timely experience after the user's touch-control.
The first particles 4 are in a sawtooth shape and are uniformly distributed in the feedback layer 2, and when a user presses the touch pad 1, the sawtooth-shaped particles give a more definite concave-convex feeling to the user.
The tactile feedback device in the embodiment only needs to be filled with first particulate matter 4 in whole feedback layer 2, and no matter the user presses the optional position on the touch pad, the tactile feedback device can both sense the sense of receiving unevenness in time, can in time feed back the signal that the user pressed to the user, and whole device simple structure need not additionally set up detection mechanism, sensing mechanism and vibration feedback mechanism, also need not consume the electric energy in the use.
As a first alternative embodiment, in the above embodiment, the first particulate matter 4 filled in the first region 21 directly above the non-light emitting region 31 of the flexible panel may also be in a non-transparent shape, such as black PC particles. That is, it is only necessary to ensure that the first particulate matter 4 filled in the second region 22 directly above the light-emitting region 32 is transparent. Since the non-light-emitting region 31 does not affect the light-emitting performance of the display, only particles need to be filled in the first region 21 opposite to the non-light-emitting region 31, when a user presses the first region corresponding to the touch pad, the particles can generate the uneven feeling, and the specific performance of the particles is not required. As a variation of this embodiment, the first granules 4 may also be transparent particles such as transparent PVC particles or transparent polystyrene particles; as a further variant, the first granules 4 filled in the first zone may also be non-transparent PVC granules or non-transparent granules of non-transparent polystyrene or the like.
As a second alternative embodiment, the second region 22 directly above the light emitting region 32 of the flexible panel may be filled with the first particulate matter 4 only in the first region 21 of the feedback layer 2 without filling the first particulate matter 4, so as to give an immediate concave-convex feeling to the user.
As a third alternative, the feedback layer 2 may be one layer, or may be two, three, four, etc., with the number of feedback layers being increased or decreased by the amount of tactile feedback actually required. As a further modification, the soft transparent material for manufacturing the feedback layer 2 may also be a soft transparent material such as a transparent TPE material, so as to ensure the transparency of the material for manufacturing the feedback layer 2 to ensure the normal light emission of the light-emitting area 32 of the flexible panel 2.
As a fourth alternative embodiment, in all the above embodiments, the first granules 4 may not be zigzag, for example, the granules are spherical, or have an uneven surface shape or other shapes, and only when the user presses the touch pad, the granules can generate an uneven feeling in time. As a further variant, the number of the first granules 4 can also be one, two, three, etc., and the specific setting number depends on the actual requirement.
As a fifth alternative embodiment, in all the above embodiments, the feedback layer 2 may not be provided, and the first particulate matter 4 may be directly filled in the space between the touch panel 1 and the flexible panel 3, as long as the first particulate matter 4 does not block the light emitted by the light emitting region 32 of the flexible panel 3 toward the touch panel 1.
Example 2
The present embodiment provides a tactile feedback device, as shown in fig. 2, which differs from the tactile feedback device provided in embodiment 1 only in that: the first particulate matter 4 is only filled in the second area 22 opposite to the flexible panel light emitting area 32, and the first particulate matter 4 must be transparent particles, such as transparent PC particles.
In the tactile feedback device of this embodiment, the transparent PC particles are filled only in the second region directly above the light emitting region 32, so that even when the user touches and presses the touch panel 1, the user can obtain immediate feedback of the concave-convex feeling, and physical confirmation that the user input command is received can be obtained.
As a first alternative embodiment, the tactile feedback device further comprises a second particulate matter 5 filled in the non-light emitting area 31 of the flexible panel 3, the second particulate matter 5 being uniformly filled in the non-light emitting area 31. The second granules 5 in this embodiment may be transparent or opaque, and the amount of granules filled in the tactile feedback device and the volume occupied by the granules are increased to improve the tactile feedback effect.
As a variation of the first alternative embodiment, the second granules 5 can also be one, two, three, etc., the specific number being set, depending on the actual requirements.
Example 3
The present embodiment provides a tactile feedback device, as shown in fig. 3, which differs from the tactile feedback device provided in embodiment 1 only in that: the tactile feedback device further comprises a second particulate matter 5 filled in the non-light emitting area 31 of the flexible panel 3, in which embodiment the second particulate matter 5 may be transparent or opaque.
The sense of touch feedback device of this structure, through simultaneously at the first particulate matter 4 of the intussuseption of feedback layer 2, and at the filling second particulate matter 5 of non-luminous region 31 intussuseption, increased the quantity of particulate matter among the sense of touch feedback device and its shared volume, make the user when the touch-sensitive plate 1 is pressed in the touch, the sense of touch feedback device can provide the sense of touch feedback of more obvious unsmooth sense, has improved the effect of sense of touch feedback, and then has improved user experience.
Example 4
The present embodiment provides a tactile feedback device, as shown in fig. 4, which differs from the tactile feedback device provided in embodiment 1 only in that: while the feedback layer and the first granules 4 are not provided, only the non-light emitting area 31 of the flexible panel is filled with a plurality of second granules 5, and the second granules 5 may be transparent or opaque. At this time, the touch panel is directly fixed on the surface of the flexible panel.
The tactile feedback device of the embodiment is not provided with a feedback layer, and the second particles 5 are directly filled in the non-luminous region 31 of the flexible panel 3, so that the tactile feedback device does not occupy additional space, the structure of the flexible display with the tactile feedback function is further simplified,
as a first alternative embodiment, the number of the second particulate matters 5 can also be one, two, three, etc., and the specific setting number is determined according to the actual use condition.
In the above four embodiments, the first particulate matter 4 and the second particulate matter 5 can be the same particulate matter, and also can be different particulate matters, and when only the user presses the touch panel, the particulate matter can generate timely rugged touch to the user.
Example 5
The present embodiment provides a flexible display comprising a substrate, a flexible display screen 3 and any of the tactile feedback devices provided in any of embodiments 1 to 4.
The flexible panel 3 is fixed on a substrate, the substrate is a TFT substrate, the TFT substrate is provided with a control circuit, a light-emitting area 32 of the flexible panel 3 is driven to emit light, and an electric signal and a control signal are provided for the flexible panel 3; the flexible panel 3 comprises a light-emitting region 32 and a non-light-emitting region 31 adjacent to the light-emitting region 32, the light-emitting region 32 and the non-light-emitting region 31 are flush in the height direction of the display, so that the feedback layer 2 arranged between the touch pad 1 and the flexible panel 3 forms a continuous flat layer in the horizontal direction, the occurrence of faults is avoided, a user can obtain the same tactile feedback when touching and pressing different positions when using the flexible display, and the user experience is improved; meanwhile, the surface of the flexible display presented to a user is a uniform plane, and the visual effect of the flexible display is improved.
In the flexible display according to this embodiment, since the tactile feedback device according to any one of embodiments 1 to 4 is used, when the user presses the touch panel 1, the tactile feedback device can timely feed back an uneven tactile experience to the user. Meanwhile, the touch feedback device does not need to additionally consume electric energy, so that the power consumption of the flexible display can be reduced, and the service time of the electronic equipment is prolonged.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (9)
1. A tactile feedback device comprising
The touch control panel (1) is arranged above the surface of the flexible panel (3) along the light emergent direction of the flexible panel (3);
the first particulate matter (4) is directly filled in a space between the touch panel (1) and the flexible panel (3), or a feedback layer formed by a transparent soft object is arranged between the flexible panel (3) and the touch panel (1), and the first particulate matter (4) is filled in the feedback layer (2); the first particulate matter (4) does not block the light-emitting area (32) in the flexible panel (3) towards the light-emitting in the direction of the touch pad (1), and the surface of the first particulate matter (4) is an uneven surface, so that uneven touch feedback brought by the first particulate matter (4) can be obtained when the touch pad (1) is pressed.
2. A tactile feedback device according to claim 1,
the first particles (4) are non-transparent, and the first particles (4) are filled in a first area (21) of the space, which is positioned opposite to a non-luminous area (31) in the flexible panel (3).
3. A tactile feedback device according to claim 1,
at least part of the first particles (4) in all the first particles (4) are transparent;
wherein the first particulate matter (4) filled in the second area (22) of the space, which is directly opposite to the light-emitting area (32) of the flexible panel (3), is transparent.
4. A tactile feedback device according to any of claims 1 to 3, further comprising second particulate matter (5) filled in non-emitting areas (31) in the flexible panel (3).
5. A tactile feedback device according to claim 4, wherein the surface of the second particulate material (5) is a rugged surface.
6. A tactile feedback device according to claim 5, wherein the surface of the first (4) and/or second (5) granules is/are serrated.
7. A tactile feedback device according to claim 4, wherein the first granules (4) and the second granules (5) are the same granules.
8. A tactile feedback device comprising
The touch control panel (1) is directly arranged on the surface of the flexible panel (3) along the light emergent direction of the flexible panel (3);
the second particulate matter (5) is filled in the non-light-emitting region (31) in the flexible panel (3), and the surface of the second particulate matter (5) is an uneven surface so that uneven touch feedback brought by the second particulate matter (5) can be obtained when the touch pad (1) is pressed.
9. A flexible display, comprising
A substrate having a desired control circuit;
a flexible panel (3) disposed on the substrate;
the tactile feedback device of any one of claims 1-8.
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