TWM616006U - Sensing apparatus and keycap - Google Patents

Abstract

A sensing apparatus and a keycap are provided. The sensing apparatus comprises a sensing unit and a base unit. The sensing unit comprises a first surface of the sensing unit, the first surface of the sensing unit has a binding area and a non-binding area; the binding area and the non-binding area are not overlap with each other, and the shape of the binding area and the shape of the non-binding area correspond to each other. The base unit comprises a first surface of the base unit, the first surface of the base unit has a contact area and a non-contact area; the contact area and the non-contact area are not overlap with each other, and the shape of the contact area and the shape of the non-contact area correspond to each other. The sensing unit is combined with the contact area of the base unit by the binding area; and the side of the sensing unit is aligned with the side of the base unit.

Description

Sensing device and key cap

This creation is about a sensing device and a key cap. Specifically, this creation is about a sensing device combined with a keycap, and a keycap combined with the sensing device.

In the field of information and communications, the use of biometrics (such as fingerprints) for user identity authentication is a widely used authentication method for electronic products. Take fingerprint recognition as an example. The traditional fingerprint sensing device is an external device independent of the electronic product; even the built-in fingerprint sensing device is an independent component with only a single function (such as fingerprint recognition) in the electronic product , Need to take up additional internal space for electronic products. How to integrate the sensor device that can capture the user's biological characteristics with the existing components of the electronic product to reduce the internal space of the electronic product that needs to be occupied, and to have an integrated and concise appearance, which is desired by the information and communications industry Problem solved.

One purpose of this creation is to provide a sensing device combined with a keycap, providing electronic device input and biometric (for example: fingerprint) sensing functions, and having an integrated and concise appearance.

Another purpose of the present creation is to provide a keycap combined with a sensing device, which provides functions such as electronic device typing and biometric (eg fingerprint) sensing, and has a compact and integrated appearance.

One implementation aspect of this creation involves a sensing device. The sensing device includes a sensing unit and a base unit. The sensing unit includes a first surface of the sensing unit, and the first surface of the sensing unit has a binding area and a non-binding area. The binding area and the non-binding area are staggered and the shapes correspond to each other. The base unit includes a first surface of the base unit. The first surface of the base unit has a contact area and a non-contact area. The contact area and the non-contact area are mutually staggered and have corresponding shapes. The sensing unit is combined with the contact area of the base unit by a coupling area; the sensing unit is aligned with the side edge of the base unit.

Another implementation aspect of this creation involves a keycap. The keycap includes a sensing unit and a base unit. The sensing unit includes a first surface of the sensing unit, and the first surface of the sensing unit has a binding area and a non-binding area. The binding area and the non-binding area are staggered and the shapes correspond to each other. The base unit includes a first surface of the base unit. The first surface of the base unit has a contact area and a non-contact area. The contact area and the non-contact area are mutually staggered and have corresponding shapes. The sensing unit is combined with the contact area of the base unit by a coupling area; the sensing unit is aligned with the side edge of the base unit.

This creation provides a sensing device, which can be implemented in the form of a keyboard keycap, mouse button, keyboard or other electronic device housing. FIG. 1 is an exploded schematic diagram of a keycap 10 according to an embodiment of the invention; FIG. 2 is a three-dimensional schematic diagram of the keycap 10 according to an embodiment of the invention. In this embodiment, the keycap 10 as a sensing device includes a sensing unit 200 and a base unit 300, as shown in FIGS. 1 and 2.

It is worth noting that, in various embodiments, the sensing device can be a functional element of the electronic device that has a sensing function, and also has other functions of the electronic device. In a preferred embodiment, the electronic device is a notebook computer, a desktop computer, a mobile device... or other electronic devices with a sensing function. In a preferred embodiment, the sensing function is a biometric (e.g., fingerprint) sensing and recognition function, and the sensing device is a functional element of an electronic device with a biometric (e.g., fingerprint) sensing and recognizing function, For example: the fingerprint sensor of the notebook computer; the sensor device also has other functions of the electronic device, such as the typing function of the notebook computer.

It is worth noting that, in a preferred embodiment, the keycap 10 is a functional element of the electronic device with a keying function, and also has other functions of the electronic device, such as a sensing function. In a preferred embodiment, the electronic device is a notebook computer, a desktop computer, a mobile device... or other electronic devices with a keying function. In a preferred embodiment, the keycap 10 is one of the keycaps of a typing device (e.g., keyboard) of an electronic device (e.g., a laptop); the keycap 10 also has other functions of an electronic device, such as a laptop The sensing function.

Furthermore, the sensing unit 200 includes a first surface S21 of the sensing unit. The first surface S21 of the sensing unit has a bonding area A1 and a non-binding area A2. The bonding area A1 and the non-binding area A2 are staggered and have corresponding shapes, such as As shown in Figure 1. Specifically, the area covered by the first surface S21 of the sensing unit is subtracted from the non-bonded area A2, and the remaining area is the bonded area A1; in other words, the shape of the bonded area A1 and the shape of the non-bonded area A2 together form the sensing The shape of the first surface S21 of the unit. It is worth noting that FIG. 1 shows the preferred shape of the bonding area A1 and the corresponding non-bonding area A2. In other embodiments, different shapes may be presented according to design requirements.

The base unit 300 includes a base unit first surface S31. The base unit first surface S31 has a contact area B1 and a non-contact area B2. The contact area B1 and the non-contact area B2 are staggered and have corresponding shapes, as shown in FIG. 1 . Specifically, the area covered by the first surface S31 of the base unit is subtracted from the non-contact area B2, and the remaining area is the contact area B1; in other words, the shape of the contact area B1 and the shape of the non-contact area B2 together form the base The shape of the first surface S31 of the unit. It is worth noting that FIG. 1 shows the preferred shape of the contact area B1 and the corresponding non-contact area B2. In other embodiments, different shapes may be presented according to design requirements.

The sensing unit 200 is combined with the contact area B1 of the base unit 300 in a bonding area A1, as shown in FIG. 1. The sides of the sensing unit 200 and the base unit 300 are aligned; specifically, the combined sensing unit 200 and the base unit 300 appear to be a single object in appearance, as shown in FIG. 2.

3 is a three-dimensional schematic diagram of the first vertical projection range P1 and the second vertical projection range P2 drawn according to an embodiment of the present creation. As shown in FIG. 3, the sensing unit 200 has a first vertical projection range P1 on a virtual projection surface E1 parallel to the first surface S21 of the sensing unit, and the base unit 300 has a second vertical projection range P2 on the virtual projection surface E1; Specifically, the virtual projection surface E1 is parallel to the first surface S21 of the sensing unit and the first surface S31 of the base unit respectively. On the virtual projection plane E1, the first vertical projection range P1 and the second vertical projection range P2 overlap each other; in other words, the first surface S21 of the sensing unit of the sensing unit 200 and the first surface S31 of the base unit of the base unit 300 Have the same shape and the same size.

FIG. 4 is a three-dimensional schematic diagram of the third vertical projection range P3 and the fourth vertical projection range P4 drawn according to an embodiment of the present creation. As shown in FIG. 4, the non-combined area A2 has a third vertical projection range P3 on the virtual projection surface E1 parallel to the first surface S21 of the sensing unit, and the non-contact area B2 has a fourth vertical projection range P4 on the virtual projection surface E1; Specifically, the virtual projection surface E1 is parallel to the non-joining area A2 and the non-contact area B2, respectively. On the virtual projection surface E1, the third vertical projection range P3 and the fourth vertical projection range P4 overlap each other; in other words, the non-combined area A2 of the sensing unit 200 and the non-contact area B2 of the base unit 300 have the same shape and the same the size of.

5 is an exploded schematic diagram of the keycap 10 according to another embodiment of the invention; FIGS. 6A and 6B are schematic cross-sectional views of the keycap 10 according to another embodiment of the invention. The difference between FIGS. 5 to 6 and FIGS. 1 to 4 is that the keycap 10 of the embodiment shown in FIGS. 5 to 6 further includes a cover layer 100, which covers at least part of the sensing unit 200 and the base unit respectively 300. In detail, the sensing unit 200 of the keycap 10 further includes a second surface S22 of the sensing unit and a side surface S23 of the sensing unit. The second surface S22 of the sensing unit is opposite to the first surface S21 of the sensing unit. The two surfaces S22 and the first surface S21 of the sensing unit are connected by a side surface S23 of the sensing unit, as shown in FIG. 5. The base unit 300 of the keycap 10 further includes a base unit second surface S32 and a base unit side surface S33. The base unit second surface S32 is opposite to the base unit first surface S31, the base unit second surface S32, and The first surface S31 of the base unit is connected with the side surface S33 of the base unit, as shown in FIG. 5. The covering layer 100 is distributed on the second surface S22 of the sensing unit, the side surface S23 of the sensing unit, and the side surface S33 of the base unit, as shown in FIGS. 5 to 6. The preferred thickness range of the cover layer 100 is 0.01 to 0.05 mm; that is, the preferred range of the cover layer thickness dc shown in FIGS. 6A and 6B is 0.01 to 0.05 mm. In a preferred embodiment, the preferred thickness of the covering layer 100 is 0.03 mm; that is, the covering layer thickness dc shown in FIGS. 6A and 6B is preferably 0.03 mm.

In detail, the covering layer 100 distributed on the second surface S22 of the sensing unit has a first covering layer thickness dc1, and the covering layer 100 distributed on the side surface S23 of the sensing unit and the side surface S33 of the base unit has a second covering layer thickness dc2. It is worth noting that, in the embodiment shown in FIGS. 6A and 6B, the covering layer 100 covering the second surface S22 of the sensing unit and the covering covering the side surface S23 of the sensing unit and the side surface S33 of the base unit The layers 100 have the same covering layer thickness dc; that is, the first covering layer thickness dc1 is equal to the second covering layer thickness dc2, and both are the covering layer thickness dc. In other embodiments (not shown), the covering layer 100 covering the second surface S22 of the sensing unit and the covering layer 100 covering the side surface S23 of the sensing unit and the side surface S33 of the base unit can also be made according to design requirements. The covering layer 100 has different covering layer thicknesses; that is, the first covering layer thickness dc1 is not equal to the second covering layer thickness dc2.

FIG. 7 is an exploded schematic diagram of the keycap 10 according to another embodiment of the present creation. The difference between FIG. 7 and FIGS. 1 to 6 is that the keycap 10 of the embodiment shown in FIG. 7 further includes a circuit board 500. In detail, the sensing unit 200 of the keycap 10 further includes a sensing accommodating space 210 and a plurality of electrical connection points 220 accommodated in the sensing accommodating space 210. On the virtual projection surface E1 of the first surface S21 of the parallel sensing unit, the electrical connection point 220 has a fifth vertical projection range P5, and the circuit board 500 has a sixth vertical projection range P6; specifically, the virtual projection surface E1 and the sensor The first surface S21 of the measuring unit and the first surface S31 of the base unit are parallel to each other. On the virtual projection surface E1, the vertical projection range of the electrical connection point 220 (that is, the fifth vertical projection range P5) falls within the vertical projection range of the circuit board (that is, the sixth vertical projection range P6). In a preferred embodiment, the circuit board 500 is a flexible circuit board that can be bent.

In detail, the sensing unit 200 of the keycap 10 further includes an electrical connection point distribution area C2 corresponding to the non-bonding area A2; A surface S21 forms a non-bonding area A2 and is adjacent to the electrical connection point distribution area C2, as shown in FIG. 7.

In detail, the base unit 300 of the keycap 10 further includes a base unit second surface S32 opposite to the base unit first surface S31; the base unit 300 has a base accommodating space 310; and the base accommodating space 310 It penetrates the first surface S31 of the base unit and the second surface S32 of the base unit, and forms a non-contact area B2 on the first surface S31 of the base unit, as shown in FIG. 7.

FIG. 8 is a three-dimensional schematic diagram of the keycap 10 according to an embodiment of the present creation. The difference between FIG. 8 and FIG. 7 is that the circuit board 500 of FIG. 8 passes through the base accommodating space 310 of the base unit 300 to be in contact with the sensing unit 200. In detail, the circuit board 500 of FIG. 8 further includes a circuit board first surface S51, and the circuit board first surface S51 has an electrical connection area S511 and a non-electric connection area S512. On the virtual projection surface E1 of the first surface S21 of the parallel sensing unit, the electrical connection point 220 has a fifth vertical projection range P5, and the electrical connection area S511 has a seventh vertical projection range P7; specifically, the virtual projection surface E1 and The first surface S21 of the sensing unit and the first surface S51 of the circuit board are parallel to each other. On the virtual projection surface E1, the vertical projection range of the electrical connection point 220 (that is, the fifth vertical projection range P5) falls within the vertical projection range of the electrical connection area S511 (that is, the seventh vertical projection range P7).

In detail, the base unit 300 of FIG. 8 has a base accommodating space 310, and the electrical connection area S511 of the circuit board first surface S51 of the circuit board 500 passes through the base accommodating space 310 to communicate with the first surface of the sensing unit. S21 is in contact, so that the electrical connection point 220 is electrically connected to the electrical connection area S511.

In a preferred embodiment, the electrical connection points 220 are distributed in the electrical connection point distribution area C2 in a manner of an inner ring c1 and an outer ring c2, as shown in FIGS. 7 and 8. In other embodiments, the electrical connection points 220 can also be distributed differently according to design requirements.

FIG. 9 is a schematic cross-sectional view of the keycap 10 according to an embodiment of the present creation. Specifically, FIG. 9 is a schematic cross-sectional view corresponding to the three-dimensional schematic view of the keycap 10 of FIG. 8. As shown in FIG. 9, in a preferred embodiment, when the second surface S22 of the sensing unit receives a pressure Fp, a biometric signal and a switch signal are sent to the circuit board 500. In a preferred embodiment, the biometric signal is a fingerprint recognition signal. Specifically, when the user presses the sensing unit 200 with a finger, the second surface S22 of the sensing unit receives pressure Fp, and the sensing unit 200 is electrically connected to the electrical connection area S511 of the circuit board 500 through the electrical connection point 220 , And send the biometric signal (for example: fingerprint recognition signal) and the switch signal to the circuit board 500. In a preferred embodiment, the circuit board 500 further transmits the biometric signal (for example: fingerprint recognition signal) and the switch signal to the processing unit (not shown) of the electronic device to perform the user's biometric character (for example: fingerprint) Identification and switching of electronic devices.

In a preferred embodiment, by combining the biometrics (for example: fingerprint) recognition function with the switch function, the user's identity can be verified to confirm which user has switched on the electronic device (not shown) machine. In a preferred embodiment, the authority for turning on and off the electronic device can be further pre-set to prevent unauthorized users from turning on and off the electronic device; or to prevent unauthorized users from fraudulently using the identity of other people (for example, embezzling Administrator’s account password), turn on and off the electronic device without authority.

As shown in FIG. 9, in another preferred embodiment, when the second surface S22 of the sensing unit receives a pressure Fp, a biometric signal (for example, a fingerprint recognition signal) and a key-in signal are sent to the circuit board 500. In detail, when the user presses the sensing unit 200 with a finger, the second surface S22 of the sensing unit receives pressure Fp, and the sensing unit 200 is electrically connected to the electrical connection area S511 of the circuit board 500 through the electrical connection point 220 , And send biometric signals (for example, fingerprint recognition signals) and key-in signals to the circuit board 500. In a preferred embodiment, the circuit board 500 further transmits the biometric (e.g. fingerprint) identification signal) and the input signal to the processing unit (not shown) of the electronic device to perform the user's biometric (e.g. fingerprint) identification And the typing of electronic devices.

In a preferred embodiment, by combining the biometrics (for example: fingerprint) recognition function and the keying function, the user can be authenticated to confirm which user has keyed the electronic device (not shown); Specifically, when the user opens the text editor for text editing, no additional verification method (such as digital signature) is required to know which user typed the text. In a preferred embodiment, the authority for typing can be further preset to prevent users without authority from typing on the electronic device; or users without authority can pretend to use other people's identity (for example, stealing other people's account passwords) ), to type in an electronic device that has no authority; or to prevent an unauthorized user from using the identity of another person to tamper with the content of the document that has the editing function turned on.

FIG. 10 is a three-dimensional schematic diagram of the first concave corner w1 to the eighth concave corner w8 drawn according to an embodiment of the present creation. Specifically, the non-contact area B2 of the base unit first surface S31 of the base unit 300 has a first concave angle w1, a second concave angle w2, a third concave angle w3, and a fourth concave angle w4; the sensing of the sensing unit 200 The non-bonding area A2 of the first surface S21 of the unit has a fifth recessed corner w5, a sixth recessed corner w6, a seventh recessed corner w7, and an eighth recessed corner w8. The shapes of the first recessed corner w1, the second recessed corner w2, the third recessed corner w3, and the fourth recessed corner w4 correspond to the shapes of the fifth recessed corner w5, the sixth recessed corner w6, the seventh recessed corner w7, and the eighth recessed corner w8, respectively; That is, the shape of the first recessed corner w1 corresponds to the shape of the fifth recessed corner w5, the shape of the second recessed corner w2 corresponds to the shape of the sixth recessed corner w6, the shape of the third recessed corner w3 corresponds to the shape of the seventh recessed corner w7, and the fourth recessed corner w4. The shape of corresponds to the shape of the eighth concave corner w8.

In a preferred embodiment, the first reentrant angle w1, the second reentrant angle w2, the third reentrant angle w3, and the fourth reentrant angle w4 of the non-contact area B2 are right angles recessed toward the center of the non-contact area B2. The fifth recessed corner w5, the sixth recessed corner w6, the seventh recessed corner w7, and the eighth recessed corner w8 are right angles respectively recessed toward the center of the non-bonding area A2, as shown in FIG. 10. In other embodiments, each of the concave angles (the first concave angle w1 to the eighth concave angle w8) can also present other angles such as obtuse angles or acute angles according to design requirements.

FIG. 11 is a three-dimensional schematic diagram of the base unit 300 according to an embodiment of the present creation. In detail, the base unit 300 further includes a first connecting piece 321, a second connecting piece 322, a third connecting piece 323, and a fourth connecting piece 324; the base unit 300 further includes a base unit with respect to the first surface S31 The base unit second surface S32, the base unit second surface S32 has a first side L1 and a second side L2 corresponding to the first side L1. In other words, the first side L1 and the second side L2 are respectively located on two sides corresponding to the second surface S32 of the base unit.

As shown in FIG. 11, the first connecting member 321 and the second connecting member 322 are disposed opposite to the first side L1 of the second surface S32 of the base unit along the first direction D1; the third connecting member 323 and the fourth connecting member 324 are along the The first direction D1 is opposite to the second side L2 of the second surface S32 of the base unit. In other words, the first direction D1 is the direction from the first connecting member 321 to the second connecting member 322, and the first direction D1 is also the direction from the third connecting member 323 to the fourth connecting member 324. As shown in FIG. 11, the first connection piece 321 and the second connection piece 322 are separated by a first distance d1; the third connection piece 323 and the fourth connection piece 324 are separated by a second distance d2; the first distance d1 is greater than the second distance d2 long.

As shown in FIG. 11, the second surface S32 of the base unit has a connection area G1 and a non-connection area G2, and the connection area G1 and the non-connection area G2 are offset from each other and have shapes corresponding to each other. Specifically, the area covered by the second surface S32 of the base unit is subtracted from the connection area G1, and the remaining area is the non-connection area G2; in other words, the shape of the connection area G1 and the shape of the non-connection area G2 together form the base The shape of the second surface S32 of the unit.

As shown in FIG. 11, the connection area G1 has a first lobe m1, a second lobe m2, a third lobe m3, and a fourth lobe m4. Specifically, the first lobe m1 and the second lobe m2 are located on the side of the connecting region G1 close to the first side L1, and the third lobe m3 and the fourth lobe m4 are located on the side of the connecting region G1 close to the second side L2. One side; the first direction D1 is the direction from the first lobe m1 to the second lobe m2, and the first direction D1 is also the direction from the third lobe m3 to the fourth lobe m4.

In detail, on the side close to the first side L1 of the second surface S32 of the base unit, the first connecting member 321 and the second connecting member 322 are respectively located on the side away from the first lobe m1 and the second lobe m2 ; That is, the first connecting member 321 is not located at the first lobe m1, and the second connecting member 322 is not located at the second lobe m2. In detail, on the side close to the second side, the third connecting member 323 and the fourth connecting member 324 are respectively located at the third lobe m3 and the fourth lobe m4.

12A to 12C are three-dimensional schematic diagrams of the sensing unit 200 according to an embodiment of the present creation. As shown in FIGS. 12A to 12C, the bonding area A1 of the first surface S21 of the sensing unit of the sensing unit 200 has a rough surface R. Specifically, before the sensing unit 200 and the base unit 300 are combined, for example, laser dotting (as shown in FIG. 12A), mechanical polishing (as shown in FIGS. 12B and 12C), or chemical etching (not shown in the figure) can be used. )... etc., the area where the sensing unit 200 is to be combined with the base unit 300 (that is, the bonding area A1) is roughened, so that the bonding area A1 becomes the rough surface R.

FIG. 13 is a three-dimensional schematic diagram of a keycap 10 according to another embodiment of the present creation. Specifically, the keycap 10 of FIG. 13 is a combination of the base unit 300 of FIG. 11 and the sensing unit 200 of FIGS. 12A to 12C, and then the covering layer 100 is coated on the sensing unit 200 and the base unit 300 surface. In a preferred embodiment, the cover layer 100 is colored paint; after the sensing unit 200 and the base unit 300 are combined, the desired colored paint is sprayed on the second surface S22 of the sensing unit of the sensing unit 200 according to the design requirements. The side surface S23 of the measuring unit and the side surface S33 of the base unit 300 make the appearance of the keycap 10 show a customized color. In another embodiment, the covering layer 100 is a protective paint; after the sensing unit 200 and the base unit 300 are combined, the protective paint is sprayed on the second surface S22 of the sensing unit and the side surface S23 of the sensing unit of the sensing unit 200. As well as the base unit side surface S33 of the base unit 300, the keycap 10 can be wear-resistant and scratch-resistant through the protective paint, so as to further extend the service life of the keycap 10.

In another embodiment, the cover layer 100 is a superposition of colored paint and protective paint. For example, colored paint is first sprayed on the exterior surface of the keycap 10 (such as the second surface of the sensing unit S22, the side surface of the sensing unit S23, and the base). The side surface of the seat unit (S33) is sprayed with protective paint again on the exterior surface of the keycap 10 as a protection for the exterior surface of the keycap 10 and the previously sprayed color paint. Specifically, the manufacturing process of the covering layer 100 needs to go through three procedures: first, the exterior surface of the keycap 10 to be sprayed (for example, the second surface of the sensing unit S22, the side surface of the sensing unit S23, and the side surface of the base unit Destroy the surface structure of S33) so that the paint can better adhere to the appearance surface of the keycap 10; then spray the color paint of the specified color on the appearance surface according to the design requirements, so that the keycap 10 shows the specified color; finally The protective paint is sprayed on the exterior surface to make the keycap 10 wear-resistant and scratch-resistant.

With reference to the connecting members included in the base unit 300 of FIGS. 11 and 13 (FIGS. 11 and 13 take the first connecting member 321, the second connecting member 322, the third connecting member 323, and the fourth connecting member 324 as examples ), the keycap 10 can be fixed on an electronic device (not shown) according to design requirements. For example, the keycap 10 is fixed to a notebook computer as one of the keys in the keyboard of the notebook computer; or the sensing device 10 is fixed to the desktop computer as one of the keys in the keyboard of the desktop computer.

It is worth noting that the configuration of the connecting members in FIG. 11 or FIG. 13 is only one embodiment of the keycap 10 connected to an electronic device (not shown). In other embodiments, the shape and placement position of each connecting member can also be adjusted differently according to design requirements.

The combination of the sensing unit 200 and the base unit 300 includes in-mold injection and separate bonding. For in-mold injection, please refer to Figures 14A~14B and the description of the corresponding paragraph; for the part bonding, please refer to Figures 15~16 and the description of the corresponding paragraph.

14A to 14B are schematic cross-sectional views of a glue injection mold 600 drawn according to an embodiment of the invention; FIG. 14A is before glue injection, and FIG. 14A is after glue injection. In the embodiment shown in FIGS. 14A to 14B, the sensing unit 200 and the base unit 300 are integrated by in-mold injection. Specifically, the glue injection mold 600 includes a first mold base 610 and a second mold base 620, and the first mold base 610 further includes a glue injection port 615. In detail, the method of combining the sensing unit 200 and the base unit 300 by in-mold injection is as follows: first place the sensing unit 200 on the second mold base 620, as shown in FIG. 14A; and then melt the plastic particles, Inject the glue injection mold 600 from the glue injection port 615 to further form the base unit 300 and the connecting pieces included in the base unit 300 (FIG. 14B shows the first connecting piece 321, the second connecting piece 322, and the third connecting piece 323 And the fourth connecting member 324 as an example), as shown in FIG. 14B; after the plastic is cooled and shaped, the sensing unit 200 and the base unit 300 can be combined into one body; then the glue injection mold 600 is removed (not shown) to Obtain the sensing unit 210.

FIG. 15 is a three-dimensional schematic diagram of the keycap 10 and the adhesive layer 400 according to an embodiment of the invention; FIG. 16 is a three-dimensional schematic diagram of the keycap 10 and the adhesive layer 400' according to another embodiment of the invention. In the embodiment shown in FIGS. 15-16, the sensing unit 200 and the base unit 300 are combined into one body in a separate bonding manner; in detail, in the embodiment shown in FIGS. 15-16, the sensing unit 200 and the base unit An adhesive layer 400 (or an adhesive layer 400') is further sandwiched between the units 300, and the sensing unit 200 and the base unit 300 are bonded by the adhesive layer 400 (or an adhesive layer 400').

The difference between FIGS. 15 and 16 is that the adhesive layer 400 of FIG. 15 is sandwiched between the sensing unit 200 and the base unit 300 in a ring shape; the adhesive layer 400' of FIG. 16 is sandwiched between the sensor unit 200 and the base unit 300 in a zigzag manner. Between the measuring unit 200 and the base unit 300. Compared with FIG. 15, the adhesive layer 400' of FIG. 16 has a larger distribution range and a larger bonding area, so it has a better bonding ability.

10: keycap

100: cover layer

dc: cover layer thickness

dc1: the thickness of the first covering layer

dc2: the thickness of the second covering layer

200: sensing unit

210: Sensing accommodating space

220: electrical connection point

c1: inner circle

c2: outer ring

S21: The first surface of the sensing unit

S22: The second surface of the sensing unit

S23: Side surface of sensing unit

A1: Bonding area

A2: Non-binding area

w5: fifth concave corner

w6: sixth concave corner

w7: seventh concave corner

w8: eighth concave corner

C2: Distribution area of electrical connection points

R: rough surface

300: base unit

310: Base accommodating space

321: The first connector

322: second connector

323: The third connector

324: The fourth connector

S31: The first surface of the base unit

S32: The second surface of the base unit

S33: Side surface of base unit

B1: contact area

B2: Non-contact area

w1: first concave corner

w2: second concave corner

w3: third concave corner

w4: fourth concave corner

G1: Connection area

G2: Disconnected area

m1: the first convex angle

m2: second convex angle

m3: third lobe

m4 fourth lobe

400, 400’: Adhesive layer

500: circuit board

S51: The first surface of the circuit board

S511: Electrical connection area

S512: Non-electrically connected area

E1: Virtual projection surface

P1: The first vertical projection range

P2: The second vertical projection range

P3: The third vertical projection range

P4: The fourth vertical projection range

P5: Fifth vertical projection range

P6: The sixth vertical projection range

D1: First direction

D2: second direction

D3: Third party

L1: First side

L2: second side

d1: first distance

d2: second distance

Fp: pressure

600: plastic injection mold

610: The first mold base

620: second mold base

615: Injection port

The description of the drawings in this creation is as follows: Fig. 1 is an exploded schematic diagram of a keycap according to an embodiment of the present creation; Figure 2 is a three-dimensional schematic diagram of a keycap drawn according to an embodiment of the present creation; 3 is a three-dimensional schematic diagram of a first vertical projection range and a second vertical projection range drawn according to an embodiment of the present creation; 4 is a three-dimensional schematic diagram of a third vertical projection range and a fourth vertical projection range drawn according to an embodiment of the present creation; Fig. 5 is an exploded schematic diagram of a keycap according to another embodiment of the present creation; 6A and 6B are schematic cross-sectional views of a keycap according to another embodiment of the invention; Fig. 7 is an exploded schematic diagram of a keycap according to another embodiment of the present creation; Figure 8 is a three-dimensional schematic diagram of a keycap drawn according to another embodiment of the present invention; Fig. 9 is a schematic cross-sectional view of a keycap according to an embodiment of the present creation; FIG. 10 is a three-dimensional schematic diagram of the first to eighth concave corners drawn according to an embodiment of the present creation; Figure 11 is a three-dimensional schematic diagram of a base unit drawn according to an embodiment of the present creation; 12A to 12C are three-dimensional schematic diagrams of a sensing unit drawn according to an embodiment of the present creation; Figure 13 is a three-dimensional schematic diagram of a keycap drawn according to another embodiment of the present invention; 14A to 14B are schematic cross-sectional views of a glue injection mold according to an embodiment of the present creation; FIG. 15 is a three-dimensional schematic diagram of the keycap and the adhesive layer according to an embodiment of the present creation; and FIG. 16 is a three-dimensional schematic diagram of a keycap and an adhesive layer according to another embodiment of the present creation.

10: keycap

200: sensing unit

210: Sensing accommodating space

220: electrical connection point

c1: inner circle

c2: outer ring

S21: The first surface of the sensing unit

A1: Bonding area

A2: Non-binding area

C2: Distribution area of electrical connection points

300: base unit

310: Base accommodating space

S31: The first surface of the base unit

B1: contact area

B2: Non-contact area

D1: First direction

D2: second direction

D3: Third party

Claims (38)

A sensing device, comprising: a sensing unit, including a first surface of the sensing unit, the first surface of the sensing unit has a bonding area and a non-bonding area, the bonding area and the non-bonding area are mutually staggered and have mutually shaped shapes Corresponding; and a base unit, including a first surface of the base unit, the first surface of the base unit has a contact area and a non-contact area, the contact area and the non-contact area are mutually staggered and the shapes correspond to each other; wherein the The sensing unit is combined with the contact area of the base unit by the coupling area; and the sensing unit is aligned with the side edge of the base unit. The sensing device according to claim 1, wherein: the sensing unit has a first vertical projection range on a virtual projection mask parallel to the first surface of the sensing unit, and the base unit has a first vertical projection range on the virtual projection surface A second vertical projection range, the first vertical projection range and the second vertical projection range overlap with each other. The sensing device according to claim 1, wherein: the non-combined area has a third vertical projection range on a virtual projection mask parallel to the first surface of the sensing unit, and the non-contact area has a third vertical projection range on the virtual projection mask Four vertical projection ranges, the third vertical projection range and the fourth vertical projection range overlap with each other. The sensing device according to claim 1, further comprising a cover layer, wherein: the sensing unit further includes a second surface of the sensing unit and a side surface of the sensing unit, and the second surface of the sensing unit is opposite to the A first surface of a sensing unit, a second surface of the sensing unit and a first surface of the sensing unit are connected by a side surface of the sensing unit; The base unit further includes a base unit second surface and a base unit side surface, the base unit second surface is opposite to the base unit first surface, the base unit second surface and the base unit The first surface is connected with the side surface of the base unit; and the covering layer is distributed on the second surface of the sensing unit, the side surface of the sensing unit, and the side surface of the base unit. The sensing device according to claim 4, wherein: the preferred thickness of the covering layer is in the range of 0.01 to 0.05 mm. The sensing device according to claim 1, further including a circuit board, wherein: the sensing unit further includes a sensing accommodating space and a plurality of electrical connection points accommodated in the sensing accommodating space; and On a virtual projection surface parallel to the first surface of the sensing unit, the vertical projection range of the electrical connection points falls within the vertical projection range of the circuit board. The sensing device according to claim 6, wherein: the sensing unit further includes an electrical connection point distribution area corresponding to the non-bonding area; and the sensing accommodating space penetrates the first surface of the sensing unit to The non-bonding area is formed on the first surface of the sensing unit and is adjacent to the electrical connection point distribution area. The sensing device according to claim 6, wherein the base unit further includes a second surface of the base unit opposite to the first surface of the base unit, wherein: the base unit has a base accommodating space; and The base accommodating space penetrates the first surface of the base unit and the second surface of the base unit, and forms the non-contact area on the first surface of the base unit. According to the sensing device of claim 6, the circuit board further includes a first surface of the circuit board, the first surface of the circuit board has an electrical connection area and a non-electric connection area; wherein: the first surface is parallel to the sensing unit A virtual projection surface on a surface, the vertical projection range of the electrical connection points falls within the vertical projection range of the electrical connection area; and the base unit has a base accommodating space through which the electrical connection area passes The accommodating space of the base is in contact with the first surface of the sensing unit, so that the electrical connection points are electrically connected to the electrical connection area. The sensing device according to claim 7, wherein: the electrical connection points are distributed in the electrical connection point distribution area in a manner of an inner ring and an outer ring. The sensing device according to claim 6, wherein: the sensing unit further comprises a second surface of the sensing unit, the second surface of the sensing unit is opposite to the first surface of the sensing unit; and when the sensing unit The second surface receives a pressure, and transmits a fingerprint identification signal and a switch signal to the circuit board. The sensing device according to claim 6, wherein: the sensing unit further includes a second surface of the sensing unit, the second surface of the sensing unit is opposite to the first surface of the sensing unit; and when the sensing unit The second surface receives a pressure, and transmits a fingerprint identification signal and a keying signal to the circuit board. The sensing device according to claim 1, wherein: the non-contact area has a first concave angle, a second concave angle, a third concave angle, and a fourth concave angle; The non-combined area has a fifth concave corner, a sixth concave corner, a seventh concave corner, and an eighth concave corner; and the shapes of the first concave corner, the second concave corner, the third concave corner, and the fourth concave corner are respectively the same as those of the The shapes of the fifth recessed corner, the sixth recessed corner, the seventh recessed corner, and the eighth recessed corner correspond to each other. According to the sensing device of claim 1, the base unit further includes a first connecting member, a second connecting member, a third connecting member, and a fourth connecting member, and the base unit further includes The first surface of the base unit is a second surface of the base unit. The second surface of the base unit has a first side and a second side corresponding to the first side. The two connecting pieces are arranged opposite to the first side of the second surface of the base unit along a first direction; and the third connecting piece and the fourth connecting piece are arranged opposite to the base unit along the first direction. The second side of the surface. The sensing device according to claim 14, wherein: the first connecting piece and the second connecting piece are separated by a first distance; the third connecting piece and the fourth connecting piece are separated by a second distance; and the first connecting piece One distance is longer than the second distance. According to the sensing device of claim 14, the second surface of the base unit has a connection area and a non-connection area, the connection area and the non-connection area are mutually staggered and have corresponding shapes; the connection area has a first protrusion Angle, a second lobe, a third lobe, and a fourth lobe; wherein: on the side close to the first side, the first connecting piece and the second connecting piece are respectively located away from the first A lobe and one side of the second lobe; and On the side close to the second side, the third connecting member and the fourth connecting member are respectively located at the third convex corner and the fourth convex corner. The sensing device according to claim 1, wherein: the bonding area has a rough surface. The sensing device according to claim 1, wherein: the sensing unit and the base unit are integrated by in-mold injection. The sensing device according to claim 1, wherein: an adhesive layer is further sandwiched between the sensing unit and the base unit; and the sensing unit and the base unit are bonded by the adhesive layer. A keycap includes: a sensing unit, including a first surface of the sensing unit, the first surface of the sensing unit has a coupling area and a non-coupling area, the coupling area and the non-coupling area are staggered and the shapes correspond to each other And a base unit, including a first surface of the base unit, the first surface of the base unit has a contact area and a non-contact area, the contact area and the non-contact area are mutually staggered and the shapes correspond to each other; wherein the feeling The sensing unit is combined with the contact area of the base unit by the coupling area; and the sensing unit is aligned with the side edge of the base unit. The keycap according to claim 20, wherein: the sensing unit has a first vertical projection range on a virtual projection mask parallel to the first surface of the sensing unit, and the base unit has a first vertical projection range on the virtual projection mask The second vertical projection range, the first vertical projection range and the second vertical projection range overlap with each other. The keycap according to claim 20, wherein: the non-combined area has a third vertical projection range on a virtual projection mask parallel to the first surface of the sensing unit, and the non-contact area has a fourth vertical projection range on the virtual projection mask. The vertical projection range, the third vertical projection range and the fourth vertical projection range overlap with each other. The keycap according to claim 20, further comprising a cover layer, wherein: the sensing unit further includes a second surface of the sensing unit and a side surface of the sensing unit, and the second surface of the sensing unit is opposite to the sensing unit The first surface of the sensing unit, the second surface of the sensing unit and the first surface of the sensing unit are connected by the side surface of the sensing unit; the base unit further includes a base unit second surface and a base unit side Surface, the second surface of the base unit is opposite to the first surface of the base unit, the second surface of the base unit and the first surface of the base unit are connected by the side surface of the base unit; and the covering layer is distributed on The second surface of the sensing unit, the side surface of the sensing unit, and the side surface of the base unit. The keycap according to claim 23, wherein: the preferred thickness of the covering layer is in the range of 0.01 to 0.05 mm. The keycap according to claim 20, further including a circuit board, wherein: the sensing unit further includes a sensing accommodating space and a plurality of electrical connection points accommodated in the sensing accommodating space; and A virtual projection plane parallel to the first surface of the sensing unit, the vertical projection range of the electrical connection points falls within the vertical projection range of the circuit board. The keycap described in claim 25, wherein: The sensing unit further includes an electrical connection point distribution area corresponding to the non-bonding area; and the sensing accommodating space penetrates the first surface of the sensing unit to form the non-bonding area on the first surface of the sensing unit, And it is adjacent to the electrical connection point distribution area. According to the keycap of claim 25, the base unit further includes a second surface of the base unit opposite to the first surface of the base unit, wherein: the base unit has a base accommodating space; and the The base accommodating space penetrates the first surface of the base unit and the second surface of the base unit, and forms the non-contact area on the first surface of the base unit. According to the keycap of claim 25, the circuit board further includes a first surface of the circuit board, the first surface of the circuit board has an electrical connection area and a non-electric connection area; wherein: the first surface of the sensing unit is parallel to the first surface A virtual projection surface on the surface, the vertical projection range of the electrical connection points falls within the vertical projection range of the electrical connection area; and the base unit has a base accommodating space, and the electrical connection area passes through the base The seat accommodating space is in contact with the first surface of the sensing unit, so that the electrical connection points are electrically connected to the electrical connection area. The keycap according to claim 26, wherein the electrical connection points are distributed in the electrical connection point distribution area in a manner of an inner ring and an outer ring. The keycap according to claim 25, wherein: the sensing unit further includes a second surface of the sensing unit, and the second surface of the sensing unit is opposite to the first surface of the sensing unit; and When the second surface of the sensing unit receives a pressure, a fingerprint identification signal and a switch signal are sent to the circuit board. The keycap according to claim 25, wherein: the sensing unit further includes a second surface of the sensing unit, the second surface of the sensing unit is opposite to the first surface of the sensing unit; and when the sensing unit is the first surface The two surfaces are subjected to a pressure, and a fingerprint identification signal and a keying signal are sent to the circuit board. The keycap according to claim 20, wherein: the non-contact area has a first concave corner, a second concave corner, a third concave corner, and a fourth concave corner; the non-bonding area has a fifth concave corner and a sixth concave corner , A seventh recessed corner, and an eighth recessed corner; and the shapes of the first, second, third, and fourth recessed corners are the same as those of the fifth, sixth, and seventh recessed corners, respectively The shape of the recessed corner and the eighth recessed corner correspond to each other. According to the keycap of claim 20, the base unit further includes a first connector, a second connector, a third connector, and a fourth connector, and the base unit further includes The first surface of the base unit is a second surface of the base unit. The second surface of the base unit has a first side and a second side corresponding to the first side, wherein: the first connecting member and the second The connecting piece is disposed opposite to the first side of the second surface of the base unit along a first direction; and the third connecting piece and the fourth connecting piece are disposed opposite to the second surface of the base unit along the first direction It’s the second side. The keycap according to claim 33, wherein: the first connecting piece and the second connecting piece are separated by a first distance; the third connecting piece and the fourth connecting piece are separated by a second distance; and the first The distance is longer than the second distance. According to the keycap described in claim 33, the second surface of the base unit has a connection area and a non-connection area, the connection area and the non-connection area are mutually staggered and the shapes correspond to each other; the connection area has a first convex corner , A second lobe, a third lobe, and a fourth lobe; wherein: on the side close to the first side, the first connecting member and the second connecting member are respectively located away from the first protrusion Corner and one side of the second convex corner; and on the side close to the second side, the third connecting member and the fourth connecting member are respectively located at the third convex corner and the fourth convex corner. The keycap according to claim 20, wherein: the bonding area has a rough surface. The keycap according to claim 20, wherein: the sensing unit and the base unit are integrated by in-mold injection. The keycap according to claim 20, wherein: an adhesive layer is further sandwiched between the sensing unit and the base unit; and the sensing unit and the base unit are bonded by the adhesive layer.

Images