TWI641978B - Touch pad structure and electronic device - Google Patents

Abstract

A touch panel structure includes a sensing component, a touchpad, a first magnetic component, and a second magnetic component. The sensing component includes a first Hall sensor and a second Hall sensor. The touchpad is disposed above the sensing component. The touch panel has a touch area, a first pressing area, and a second pressing area. The first pressing zone and the second pressing zone are respectively located opposite to the sensing component. The first magnetic member is connected to the touch panel and is located in the first pressing region. The first magnetic member is located between the touch panel and the sensing component, and the first magnetic member pair is located at the first Hall sensor. The second magnetic member is connected to the touch panel and is located in the second pressing area. The second magnetic member is located between the touch panel and the sensing component, and the second magnetic member pair is located at the second Hall sensor. Another electronic device is proposed.

Description

Touchpad structure and electronic device

The present invention relates to a touch panel structure and an electronic device, and more particularly to a touch panel structure and an electronic device using the touch panel structure.

Common electronic devices, such as notebook computers, have the advantages of high computing efficiency, easy portability, and instant messaging. They have become an indispensable tool for modern people. Generally, the main body of the notebook computer is provided with a keyboard module and a touch panel module as an input interface, wherein the touch panel of the touch panel module can be divided into a touch area and a pressing area, and the pressing area is A trigger member is provided below, for example, a dome-shaped metal reed. In order to prevent accidental touch and maintain the operation feel, the touchpad and the trigger member need to maintain a certain distance, which is difficult to meet the thin design requirements.

The invention provides a touch panel structure and an electronic device, which can not only meet the design requirements of thinning, but also maintain the operation feeling.

The touch panel structure of the present invention includes a sensing component, a touchpad, a first magnetic component, and a second magnetic component. The sensing component includes a first Hall sensor and a second Hall sensor arranged side by side. The touchpad is disposed above the sensing component. The touch panel has a touch area, a first pressing area and a second pressing area, wherein the first pressing area and the second pressing area are juxtaposed, and the first pressing area and the second pressing area are respectively located at the sensing component. The first magnetic member is connected to the touch panel and is located in the first pressing region, wherein the first magnetic member is located between the touch panel and the sensing component, and the first magnetic member pair is located at the first Hall sensor. The second magnetic component is connected to the touchpad and is located in the second pressing zone, wherein the second magnetic component is located between the touchpad and the sensing component, and the second magnetic component pair is located in the second Hall sensor.

The electronic device of the present invention includes a casing and a touch panel structure. The casing has an opening. The touchpad structure is disposed in the casing. The touch panel structure includes a sensing component, a touchpad, a first magnetic component, and a second magnetic component. The sensing component includes a first Hall sensor and a second Hall sensor arranged side by side. The touch panel has a fulcrum portion, a touch area, a first pressing area and a second pressing area, wherein the fulcrum portion is connected to the casing, the first pressing area and the second pressing area are juxtaposed, and the touch area, the first pressing area and The second pressing zones are exposed to the openings, respectively. The first pressing area and the second pressing area are respectively located on opposite sides of the touch area, and the first pressing area and the second pressing area are respectively located at the sensing component. The first magnetic member is connected to the touch panel and is located in the first pressing region, wherein the first magnetic member is located between the touch panel and the sensing component, and the first magnetic member pair is located at the first Hall sensor. The second magnetic component is connected to the touchpad and is located in the second pressing zone, wherein the second magnetic component is located between the touchpad and the sensing component, and the second magnetic component pair is located in the second Hall sensor.

Based on the above, the touch panel structure of the present invention can be used as a mechanism for actuating the electronic device by the cooperation of the magnetic member and the Hall sensor, and as long as the Hall sensor can sense the magnetic member when the displacement is sensed. As the magnetic flux changes, the distance between the touchpad and the sensing component can be greatly reduced, thereby meeting the needs of thin design.

The above described features and advantages of the invention will be apparent from the following description.

1 is a schematic diagram of an electronic device in accordance with an embodiment of the present invention. 2 is a schematic diagram of a sensing assembly in accordance with an embodiment of the present invention. 3 is a schematic cross-sectional view of the electronic device of FIG. 1 taken along line I-I. 4 is a schematic cross-sectional view of the electronic device of FIG. 1 taken along line J-J. For the sake of clarity and convenience of explanation, the proportions and sizes of the members in FIGS. 2 to 4 are slightly adjusted, but are not intended to limit the scope of the invention. Referring to FIG. 1 to FIG. 4, in the embodiment, the electronic device 100 may be a host of a notebook computer or an expansion base for combining with a tablet computer. The electronic device 100 includes a housing 110, a keyboard module 120, and a touch panel structure 130. The keyboard module 120 is disposed in the housing 110, and the keys (not shown) of the keyboard module 120 are exposed to the housing 110. For user operation. On the other hand, the touch panel structure 130 is disposed in the casing 110, and the touch panel structure 130 has a portion exposed to the casing 110 for user operation.

The casing 110 includes a first casing 111 and a second casing 112, wherein the first casing 111 is assembled to the second casing 112, and the first casing 111 has an opening 111a. The touch panel structure 130 includes a touch panel 131, a sensing component 132, a first magnetic member 133, and a second magnetic member 134. The touch panel 131 is coupled to the first housing 111 and disposed corresponding to the opening 111a. The sensing component 132 is disposed on the second housing 112 , and the touch panel 131 is disposed above the sensing component 132 . Further, the touch panel 131 has a fulcrum portion 131a, a touch region 131b, a first pressing portion 131c, and a second pressing portion 131d, wherein the fulcrum portion 131a is fixed to the first casing 111, and the first pressing portion 131c and the first The two pressing areas 131d are juxtaposed, and the touch area 131b, the first pressing area 131c, and the second pressing area 131d are respectively exposed to the opening 111a for the user to operate. On the other hand, any one of the first pressing area 131c and the second pressing area 131d and the fulcrum portion 131a are respectively located on opposite sides of the touch area 131b, that is, the first pressing area 131c and the second pressing area 131d are located. On the same side of the touch area 131b, the fulcrum portion 131a is located on the other side of the touch area 131b.

The other end portion of the touch panel 131 with respect to the fulcrum portion 131a is a free end, and the first pressing portion 131c or the second pressing portion 131d is adjacent to the aforementioned free end. When the user applies a force to press the first pressing area 131c or the second pressing area 131d, the fulcrum portion 131a serves as a supporting point of the touch panel 131, so that the first pressing area 131c or the second of the touch panel 131 after the force is pressed The pressing area 131d moves closer to the second casing 112.

In the present embodiment, the first pressing area 131c and the second pressing area 131d are located opposite to the sensing component 132, and the first pressing area 131c and the second pressing area 131d are respectively located directly above the sensing component 132. Specifically, the first magnetic member 133 is coupled to the first housing 111, wherein the first magnetic member 133 faces the second housing 112 and is located within the first pressing portion 131c. The second magnetic member 134 is connected to the first casing 111, wherein the second magnetic member 134 faces the second casing 112 and is located in the second pressing portion 131d. On the other hand, the sensing component 132 includes a first Hall sensor 132a and a second Hall sensor 132b arranged side by side, the first Hall sensor 132 of which is opposite to the first magnetic member 133, and the second The Hall sensor 132b is facing the second magnetic member 134.

For example, when the user applies a force to press the first pressing area 131c, the first magnetic member 133 moves closer to the first Hall sensor 132a, so that the magnetic flux induced by the first Hall sensor 132a changes. The first Hall sensor 132a sends another voltage signal different from the initial voltage signal to the controller (not shown) to enable the electronic device 100 to activate the corresponding function. Similarly, when the user applies a force to press the second pressing area 131d, the second magnetic member 134 moves closer to the second Hall sensor 132b, so that the magnetic flux is sensed by the second Hall sensor 132b. The second Hall sensor 132b sends another voltage signal different from the initial voltage signal to the controller (not shown) to enable the electronic device 100 to activate the corresponding function.

In short, the present invention can be used as a mechanism for actuating an electronic device by the cooperation of a magnetic member and a Hall sensor, and as long as the Hall sensor can sense the change of the magnetic flux of the magnetic member when the displacement is sensed, The distance between the touchpad and the sensing component can be greatly reduced to meet the needs of thin design.

Figure 5 is a schematic cross-sectional view of the electronic device of Figure 1 taken along line K-K. Referring to FIG. 1 to FIG. 5 , in the embodiment, the touch panel structure 130 further includes a third magnetic component 135 , wherein the third magnetic component 135 is connected to the touch panel 131 , and the first magnetic component 133 and the second magnetic component The 134 and the third magnetic element 135 are located on the same side of the touch area 131b. That is, the first magnetic member 133, the second magnetic member 134, and the third magnetic member 135 are disposed on one side of the touch panel 131 with respect to the fulcrum portion 131a. On the other hand, the first magnetic member 133, the second magnetic member 134, and the third magnetic member 135 are arranged in a line, for example, and the first magnetic member 133 and the second magnetic member 134 are respectively located on opposite sides of the third magnetic member 135. . Specifically, the configuration of the third magnetic component 135 needs to be away from the first Hall sensor 132a and the second Hall sensor 132b, avoiding the first Hall sensor 132a and the second Hall sensor 132b. The magnetic flux change of the third magnetic member 135 when the displacement is sensed.

Further, the third magnetic element 135 is located between the touch panel 131 and the sensing component 132, and the sensing component 132 further includes a fourth magnetic element 132c. The first Hall sensor 132a, the second Hall sensor 132b, and the fourth magnetic element 132c are, for example, arranged in a line, and the first Hall sensor 132a and the second Hall sensor 132b are respectively located at the The opposite sides of the four magnetic elements 132c. In this embodiment, the third magnetic element 135 is magnetically exclusive to the fourth magnetic element 132c, and the magnetic repulsion generated by the third magnetic element 135 and the fourth magnetic element 132c can be used to maintain the touch panel 131 and sense. The distance between the components 132 is either resetting the displaced touchpad 131. On the other hand, when the user applies a force to press the first pressing area 131c or the second pressing area 131d, the magnetic repulsion force generated by the third magnetic element 135 and the fourth magnetic element 132c enables the user to obtain a clear pressing feedback feeling.

In this embodiment, the sensing component 132 further includes a first warning component 132d and a second warning component 132e, and the first warning component 132d and the second warning component 132e can be a light emitting diode (LED) or other suitable light emitting component. . The first warning member 132d is electrically connected to the first Hall sensor 132a, and the second warning member 132e is electrically connected to the second Hall sensor 132b. When the first Hall sensor 132a senses a change in the magnetic flux, the first warning component 132d emits a warning signal, such as light or light, to alert the user. Similarly, when the second Hall sensor 132b senses a change in the magnetic flux, the second warning component 132e emits a warning signal, such as light or light, to alert the user. Based on this, the touch panel 131 correspondingly needs to have a light transmitting area 131e corresponding to the first warning member 132d and the second warning member 132e, so that the light emitted by the first warning member 132d and the second warning member 132e can be self-selected. The light transmitting area 131e passes through the touch panel 131.

On the other hand, the touch panel structure 130 further includes a touch layer 136, wherein the touch layer 136 is connected to the touch panel and located in the touch area 131b. The touch layer 136, the first magnetic member 133, the second magnetic member 134, and the third magnetic member 135 are located on the same side of the touch panel 131, and the touch layer 136 is, for example, a capacitive touch layer. When the user's finger slides on the touch area 131b, the touch layer 136 can be used to sense the movement trajectory of the finger, thereby controlling the movement of the cursor.

In summary, the touch panel structure of the present invention can be used as a mechanism for actuating the electronic device by the cooperation of the magnetic member and the Hall sensor, and as long as the Hall sensor can sense the magnetic property when the displacement is sensed. The magnetic flux of the piece changes, and the distance between the touch panel and the sensing component can be greatly reduced, thereby meeting the demand for thin design. On the other hand, by disposing the two magnetic members that are magnetically repulsive and facing each other respectively on the touch panel and the sensing component, not only can the distance between the touch panel and the sensing component be maintained, or the displacement can be made. The touchpad reset also allows the user to get a clear feedback feel when pressing the touchpad.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.

100‧‧‧Electronic devices

110‧‧‧Shell

111‧‧‧ first case

111a‧‧‧ openings

112‧‧‧ second case

120‧‧‧ keyboard module

130‧‧‧Touchpad structure

131‧‧‧Touchpad

131a‧‧‧ fulcrum department

131b‧‧‧ touch area

131c‧‧‧First compression zone

131d‧‧‧second compression zone

131e‧‧·light transmission area

132‧‧‧Sensing components

132a‧‧‧First Hall sensor

132b‧‧‧Second Hall sensor

132c‧‧‧fourth magnetic element

132d‧‧‧First warning

132e‧‧‧Second warning piece

133‧‧‧First magnetic parts

134‧‧‧Second magnetic parts

135‧‧‧ Third magnetic component

136‧‧‧ touch layer

1 is a schematic diagram of an electronic device in accordance with an embodiment of the present invention. 2 is a schematic diagram of a sensing assembly in accordance with an embodiment of the present invention. 3 is a schematic cross-sectional view of the electronic device of FIG. 1 taken along line I-I. 4 is a schematic cross-sectional view of the electronic device of FIG. 1 taken along line J-J. Figure 5 is a schematic cross-sectional view of the electronic device of Figure 1 taken along line K-K.

Claims (8)

A touch panel structure includes: a sensing component, including a first Hall sensor and a second Hall sensor arranged in parallel; a touch panel disposed above the sensing component, the The touch panel has a touch area, a first pressing area, and a second pressing area, wherein the first pressing area and the second pressing area are juxtaposed, and the first pressing area and the second pressing area are respectively Located in the sensing component; a first magnetic component is connected to the touchpad and located in the first pressing zone, wherein the first magnetic component is located between the touchpad and the sensing component, and the first The magnetic member is located at the first Hall sensor; a second magnetic member is connected to the touch panel and located in the second pressing region, wherein the second magnetic member is located at the touch panel and the sensing component And the second magnetic component is located in the second Hall sensor; and a third magnetic component is connected to the touchpad, wherein the first magnetic component and the second magnetic component are respectively located in the third Opposite sides of the magnetic component, and the third magnetic component is located on the touchpad and the sensing component The sensing component further includes a fourth magnetic component between the first Hall sensor and the second Hall sensor, the third magnetic component pair being located at the fourth magnetic component Magnetic mutual exclusion. The touch panel structure of claim 1, further comprising: a touch layer connected to the touch panel and located in the touch area, the touch layer, the first magnetic member, and the first The two magnetic members are located on the same side of the touch panel. The touch panel structure of claim 1, wherein the sensing component further comprises two warning members electrically connected to the first Hall sensor and the second Hall sensor, respectively. The touch panel structure of claim 3, wherein the touch panel further has a light transmitting area opposite to the two warning members. An electronic device includes: a casing having an opening; and a touch panel structure disposed in the casing, the touchpad structure comprising: a sensing component, including a first sense of Hall arranged side by side a second Hall sensor; a touch panel disposed above the sensing component, the touchpad having a dot portion, a touch region, a first pressing region, and a second pressing a region, wherein the fulcrum portion is connected to the casing, the first pressing region is juxtaposed with the second pressing region, and the touch region, the first pressing region and the second pressing region are respectively exposed to the opening, the first One of the pressing area and the second pressing area are respectively located on opposite sides of the touch area, and the first pressing area and the second pressing area are respectively located on the sensing component; a magnetic member is connected to the touch panel and located in the first pressing area, wherein the first magnetic member is located between the touch panel and the sensing component, and the first magnetic member pair is located in the first a sensor; a second magnetic member connected to the touch panel and located at the second button Region, wherein the second magnetic member located between the touch plate and the sensing assembly, and The second magnetic component is located at the second Hall sensor; and a third magnetic component is connected to the touchpad, wherein the first magnetic component and the second magnetic component are respectively located opposite to the third magnetic component On both sides, the third magnetic component is located between the touch panel and the sensing component, wherein the sensing component further includes a fourth magnetic component, and is located at the first Hall sensor and the second Between the sensors, the third pair of magnetic elements are located on the fourth magnetic element and are magnetically repulsive. The electronic device of claim 5, wherein the touch panel structure further comprises: a touch layer connected to the touch panel, and located in the touch area, the touch layer, the first magnetic And the second magnetic member is located on the same side of the touch panel. The electronic device of claim 5, wherein the sensing component further comprises two warning members electrically connected to the first Hall sensor and the second Hall sensor, respectively. The electronic device of claim 7, wherein the touch panel further has a light transmitting area opposite to the two warning members.