TW201411421A - Touch control device - Google Patents

Abstract

A touch control device of this invention comprises: a body, a touch member, and a conductive elastic member, in which the body, the touch member and the conductive elastic member are all conductors. The body has a terminal provided with an encapsulation part. The encapsulation part is provided with an opening and a receiving space communicated with the opening and located in the body. The touch member is positioned in the receiving space. The touch member has one end formed thereon a touch part exposed from the opening. When the touch control device is in use, the encapsulation part and the touch part are used to form a larger touch area in contact with a usage surface, or one side of the encapsulation part and the touch part are used to a smaller touch area in contact with the usage surface, such that the larger touch area or the smaller touch area may be used to achieve effective touch control corresponding to different user habits.

Description

Touch device

The present invention relates to a touch device, and more particularly to a touch device that can provide an elastic buffering force and adjust the writing pressure so that the touch device can support an icon that is getting smaller and smaller in the operation interface.

According to the current touch technology, it is widely used in various electronic products. Among them, the resistive touch panel uses a pressing method to make the upper and lower conductive films contact and manipulate the resistive touch panel. The control panel uses a finger to touch lightly to cause a change in capacitance between the finger and the capacitive touch panel, and the capacitive touch panel is controlled, that is, the sensitivity of the capacitive touch panel during manipulation is compared. In the resistive touch panel, it has a considerable advantage.

Moreover, the capacitive touch panel is more dustproof, fireproof, scratch resistant, high resolution, high transmittance, low reflection, high contrast, good durability, and supports multiple touches compared with the general resistive touch panel. Control and gesture operation (Gesture) and other advantages, it is actively developed for the use of many manufacturers.

Referring to the first figure, the user of a capacitive touch panel 91 controls the virtual keyboard 93 of the capacitive touch panel 91 with the finger of one finger 92. However, during operation, due to The finger 92 obscures the line of sight of the user's part, and the finger 92 has a large area of the finger pad, which easily touches other ranges, causing unintended movements, and often accidental touch occurs, wherein the large finger is used. The situation in which the user has a false touch is the most serious.

Moreover, the nail 94 of the finger 92 is not a conductor, so the nail 94 cannot generate an appropriate capacitance with the capacitive touch panel 91, and the capacitor is touched. The touch panel 91 is such that the user who has the long nails has a dilemma that it is difficult to operate the capacitive touch panel 91.

In addition, the average person's fingers are easily contaminated with dirt. In particular, when the weather is hot, sweat is inevitable. Of course, the problem of sweat is spontaneous, so the capacitive touch panel 91 is often touched by the finger 92, and the derivatized stain remains in the capacitor. The disadvantages of the touch panel 91 make it difficult to maintain the capacitive touch panel 91.

The reason is that there is still a lot of problems to be solved by the technique of manipulating the capacitive touch panel 91 with the finger 92. Therefore, how to properly generate the appropriate electricity while maintaining the cleanness of the capacitive touch panel 91 is often achieved. Capacity, and quickly and accurately control the capacitive touch panel 91; or how to develop a stylus that can be applied to various touch panels to prevent damage to the touch screen due to improper application of force The key point of the invention is to break through.

In view of the above, the present invention provides a touch device that provides an effective touch function and enables the touch device to support an increasingly smaller icon in the operation interface as its main purpose.

In order to achieve the above, the touch device of the present invention comprises at least a body, a contact member, and a conductive elastic member. The body, the contact member and the conductive elastic member are conductors, and the body end is provided with a covering portion. And an opening and an accommodating space communicating with the opening and located in the body, the contact member is located in the accommodating space, and one end of the contact member is formed with a contact portion exposed to the opening, and the contact member is further The end portion is provided with a limiting portion for positioning in the opening, the conductive elastic member is located in the accommodating space, the conductive elastic member One end abuts against the body, and the other end abuts against the restricting portion of the contact member to provide a buffering force for pressing the contact member, and the force of the touch device can be averaged.

In use, a large contact area in which the contact portion and the use surface are in contact with each other is used, or a side of the cover portion and the contact portion form a small contact area in contact with the use surface, in response to different usage habits of the user, The function of effective touch can be achieved by using a larger contact area or a smaller contact area respectively. This structure not only increases the wear resistance and prolongs the service life, but also provides an elastic buffering force to adjust the writing pressure, so that the touch device can support the operation interface. Click on smaller and smaller icons to reduce the damage of the touch screen due to improper application.

In order to achieve the above object, the covering portion may be an arc convex surface, and the end portion of the contact portion forms an arc convex surface; or the covering portion may be an arc convex surface, and the end portion of the contact portion forms a plane.

In order to achieve the above object, the covering portion extends perpendicularly from the body toward the contact portion into a plane, and the end portion of the contact portion forms an arc convex surface; or the covering portion extends perpendicularly from the body toward the contact portion into a plane, and the end portion of the contact portion Form a plane.

In order to achieve the above object, the covering portion may be a flat surface, and a chamfered surface is formed between the covering portion and the main body, and an end of the contact portion forms an arc convex surface; or the covering portion may be a flat surface, and the covering portion A chamfered surface is formed between the portion and the body, and the end of the contact portion forms a flat surface.

The contact piece may be made of metal or made of conductive plastic, conductive rubber or conductive foam.

For the features of the present invention, reference may be made to the drawings and detailed description of the embodiments. Get a clear understanding.

As shown in the second and third figures, the touch device 10 of the present invention is mainly provided with a body 11, a contact member 12 and a conductive elastic member 13, wherein the body 11 is a conductor and is provided for holding. The end portion of the body 11 is provided with a covering portion 114. The covering portion 114 is provided with an opening 112 and an accommodating space 113 communicating with the opening 112 and located in the body 11.

The contact member 12 is a rigid conductor. The contact member 12 is disposed in the accommodating space 113. One end of the contact member 12 is formed with a contact portion 121 exposed to the opening 112, and the other end of the contact member 12 is provided. The limiting portion 122; wherein the contact member 12 may be made of a metal material or a conductive plastic, a conductive rubber or a conductive foam, or the hard structure may be coated with a conductive cloth.

The conductive elastic member 13 is located in the accommodating space 113. One end of the conductive elastic member 13 abuts against the body 11 and the other end abuts against the restricting portion 122 of the contact member.

In the embodiment shown in the figure, the outer diameter of the restricting portion 122 is slightly larger than the size of the opening 112, so that the restricting portion 122 can be positioned in the opening 112 to be positioned, so that the contact member 12 is not caused by the body. 11 is off; when used as a whole, as shown in the fourth figure (A), it is a schematic diagram of a general capacitive touch panel 91, which is attached to two different conductive substrates (or the same conductive substrate). The first electrode 21 and the second electrode 22 arranged in the Y-axis direction are electrically connected to the first and second electrodes 21 and 22, respectively. The controller 23 has a fixed capacitance value between each of the first and second electrodes 21 and 22 when energized, and each of the capacitors is coupled to form a drive line.

When the user touches the hand-held portion of the touch device to touch the capacitive panel 20, the human body contacts the body 11 by the hand, and the contact member 12 at the end approaches or contacts the capacitive panel 20, such as As shown in FIG. 4B, the user forms a contact with the body 11 in a manner perpendicular to the capacitive panel 20. At this time, the covering portion 141 forms a large contact area with the contact portion 121, and the contact region is bridged. The adjacent first and second electrodes 21 and 22 form a coupling capacitor and absorb a part of the current, thereby changing the capacitance of each electrode. The controller 23 detects the change value of the capacitance to determine the contact position of the capacitive panel to achieve the effect of the touch operation.

When the user changes the usage mode of the touch device of the present invention, as shown in FIG. 5, the user uses the electrode pattern with a smaller area, and the user forms the body 11 in a manner inclined to the capacitive panel 20. The contact portion 121 is exposed by the conductive elastic member and exposed to the opening 112, so that the contact portion 121 forms a small contact area with one side of the covering portion 141, and the contact region bridges the adjacent first and the first The two electrodes 21 and 22 can also achieve the effect of the touch operation; of course, the arcuate surface formed by the covering portion 114 can protect the capacitive panel 20 from scratching; or the contact portion 121 can also form an arc. The shape guide angle 123, as shown in the second embodiment of the sixth figure, can also protect the capacitive panel 20 from scratches.

As shown in the third embodiment of the seventh embodiment (A), the covering portion 114 may be a flat surface, and a chamfered surface 115 is formed between the covering portion 114 and the main body, and an end of the contact portion 121 forms an arc convex surface. When the touch device 10 is used in a manner substantially perpendicular to the capacitive panel 20, the covering portion 141 and the contact portion 121 may constitute a larger contact area A with the capacitive panel 20; or As shown in FIG. (B), the touch device 10 is tilted in the manner of the capacitive panel 20. In this case, the contact portion 121 and one side of the covering portion 114 can also be used to form a small contact area B in contact with the capacitive panel 20.

As shown in the fourth embodiment of the eighth embodiment (A) and (B), the covering portion 114 is vertically extended from the body 11 toward the contact portion 121, and the end portion of the contact portion 121 forms an arc convex surface; or, as in the first In the fifth embodiment of the nine figures (A) and (B), the covering portion 114 may be an arc convex surface, and the end of the contact portion 121 forms a plane; or, as in the tenth figure (A), (B) In the sixth embodiment, the covering portion 114 may be a flat surface, and the covering portion 114 and the body 11 are formed with a chamfered surface 115, and the end of the contact portion 121 forms a plane; or, as in the eleventh figure (A As shown in the seventh embodiment of (B), the covering portion 114 is vertically extended from the body 11 toward the contact portion 121, and the end of the contact portion 121 forms a flat surface.

In the above embodiments, the cover portion 141 and the contact portion 121 can form a contact with the capacitive panel 20 when the touch device 10 is used in a manner that is substantially perpendicular to the capacitive panel 20 . When the touch device 10 is used in a manner inclined to the capacitive panel 20, the contact portion 121 and one side of the cladding portion 114 can be configured to contact the capacitive panel 20. The contact area B is small, so that the user can use different contact areas or smaller contact areas to achieve effective touch function according to different usage habits of the user; wherein, the larger contact area can be applied to the electrode pattern having a larger area. Or a capacitive panel with a large spacing; and a smaller contact area can be applied to a capacitive panel with a smaller electrode pattern or a smaller pitch, thus allowing a small screen with higher precision hand-drawn and written functions .

In addition, the body and/or the pen head may also have a transparent appearance, and the body and/or the pen head may be made of acrylic, crystal, glass, transparent plastic, PC, PS, soft PVC, ABS, etc., and the outer surface thereof may be further covered. Transparent conductive film (example Such as conductive polymer material).

In summary, the present invention provides a preferred and feasible touch device, and an application for an invention patent according to the law; the technical content and technical features of the present invention are disclosed above, but those skilled in the art may still be based on the present invention. It is to be understood that various changes and modifications may be made without departing from the spirit of the invention. Therefore, the scope of the present invention should be construed as being limited by the scope of the appended claims

A‧‧‧Great contact area

B‧‧‧Small contact area

10‧‧‧ touch device

11‧‧‧Ontology

111‧‧‧Handheld Department

112‧‧‧ openings

113‧‧‧ accommodating space

114‧‧‧Covering Department

115‧‧‧ Oblique section

12‧‧‧Contacts

121‧‧‧Contacts

122‧‧‧Restrictions

123‧‧‧Arc-shaped guide angle

13‧‧‧Electrical elastic parts

20‧‧‧Capacitive panel

21‧‧‧First electrode

22‧‧‧second electrode

23‧‧‧ Controller

91‧‧‧Capacitive touch panel

92‧‧‧ fingers

93‧‧‧Virtual keyboard

94‧‧‧nails

The first figure is a schematic diagram of the use of a touch panel.

The second figure is a perspective view of the structure of the first embodiment of the touch device of the present invention.

The third figure is a schematic structural view of the first embodiment of the touch device of the present invention.

The fourth figure (A) is a schematic diagram of a general capacitive panel.

The fourth figure (B) is a schematic diagram of the use of the first embodiment of the touch device of the present invention.

The fifth figure is another schematic diagram of the use of the first embodiment of the touch device of the present invention.

The sixth figure is a schematic diagram of the use of the second embodiment of the touch device of the present invention.

The seventh (A) and (B) are schematic structural views of the third embodiment of the touch device of the present invention.

The eighth (A) and (B) are schematic structural views of the fourth embodiment of the touch device of the present invention.

The ninth drawings (A) and (B) are schematic structural views of a fifth embodiment of the touch device of the present invention.

10(A) and (B) are schematic structural views of a sixth embodiment of a touch device according to the present invention.

11(A) and (B) are schematic diagrams showing the structure of a seventh embodiment of the touch device of the present invention.

11‧‧‧Ontology

114‧‧‧Covering Department

121‧‧‧Contacts

20‧‧‧Capacitive panel

21‧‧‧First electrode

22‧‧‧second electrode

23‧‧‧ Controller

Claims (9)

A touch device includes at least a body, which is a conductor, the body is provided with a hand-held portion for holding, and the body end is provided with a covering portion, and the covering portion is provided with an opening and the opening a contact portion is a hard conductor, the contact member is located in the accommodating space, and one end of the contact member is formed with a contact portion exposed to the opening, and the contact member is further The end portion is provided with a limiting portion for positioning in the opening; and the conductive elastic member is located in the accommodating space, the conductive elastic member abuts against the body at one end, and the other end abuts the contact a limiting portion of the member; wherein, in use, the covering portion and the contact portion form a large contact area in contact with the use surface, or the one side of the covering portion and the contact portion form a contact with the use surface Small contact area. The touch device of claim 1, wherein the covering portion is an arc convex surface. The touch device of claim 1, wherein the covering portion extends vertically from the body toward the contact portion into a plane. The touch device of claim 1, wherein the covering portion is planar, and a chamfered surface is formed between the covering portion and the body. The touch device of any one of claims 1 to 4, wherein the end of the contact portion forms an arcuate surface. The touch device of claim 5, wherein the contact portion is formed with a curved lead. The touch device of claim 5, wherein the contact member is made of a metal material or a conductive plastic, conductive rubber or conductive foam. The touch device of any one of claims 1 to 4, wherein the end of the contact portion forms a plane. The touch device of claim 8, wherein the contact member is made of metal or is made of conductive plastic, conductive rubber or conductive foam.