TWM625711U - Electronic device and input device thereof - Google Patents

Abstract

An electronic device is provided. The electronic device includes a housing and an input device. The housing has an opening. The input device includes a touch circuit board, a pressing detection component, a button and a cover plate. The touch circuit board is fixedly mounted in the housing and has a touch area facing the opening of the housing. The pressing detection component is disposed on the touch circuit board and is surrounded by the touch area. The button is disposed on the pressing detection component. The cover plate covers the touch area and surrounds the button.

Description

Electronic device and input device thereof

The present disclosure relates to an electronic device and an input device thereof.

The button device with rotating and pressing functions is favored by consumers because of its convenient operation. However, such devices are too bulky to be integrated into thin and light electronic products. Moreover, there are many inconveniences in testing or maintenance after integration with electronic products.

The present application provides an electronic device, which includes a casing and an input device. The housing has an opening. The input device includes a touch circuit board, a press detection component, a button and a cover. The touch circuit board is fixedly arranged in the casing and has a touch area, and the touch area faces the opening of the casing. The pressing detection component is arranged on the touch circuit board and is surrounded by the touch area. The button is arranged on the press detection part. The cover covers the touch area and surrounds the buttons.

The present application further provides an input device, which includes a touch circuit board, a press detection component, a button, and a cover. The touch circuit board has a touch area. The pressing detection component is arranged on the touch circuit board and is surrounded by the touch area. The press detection component includes a switch or a pressure sensing element. The button is arranged on the press detection part. The cover covers the touch area and surrounds the buttons.

The input device of the present disclosure is composed of a touch circuit board, a press detection component, a button and a cover to form a thin and independent module, so that the input device of the present disclosure can be integrated into a thin and light electronic device with limited thickness, and improves the Ease of testing and maintenance.

For a more detailed and complete description of the present disclosure, reference may be made to the accompanying drawings and various embodiments described below. Elements in the figures are not drawn to scale and are provided merely to illustrate the present disclosure. Numerous practical details are described below in order to provide a thorough understanding of the present disclosure, however, one of ordinary skill in the relevant art will understand that the present disclosure may be practiced without one or more of the practical details and, therefore, these details do not applied to define the present disclosure.

Referring to FIG. 1 , the electronic device 15 (eg, a notebook computer) includes a casing 20 and an input device 30 . The casing 20 has an opening 21 , and the input device 30 is disposed in the casing 20 and exposed to the outside of the casing 20 through the opening 21 . The input device 30 is configured for a user to perform a pressing operation and a rotating operation. In one embodiment, the casing 20 is the casing of the main unit of the notebook computer, in other words, the casing 20 is used to mount components such as a motherboard, a processor, a memory, a hard disk, a keyboard, and a touch panel. The opening 21 and the input device 30 are disposed on one side of the keyboard or the touchpad, for example.

Please refer to FIG. 2 and FIG. 3 , the input device 30 includes a touch circuit board 31 , the touch circuit board 31 is fixedly disposed in the casing 20 and has a touch area 32 , and the touch area 32 faces the casing 20 21 of the opening. The touch area 32 is configured to detect a user's touch operation, such as sliding, clicking or pressing. The touch circuit board 31 is configured to provide a touch input signal in response to a user's touch operation, and the touch input signal displays the type, position or other related parameters of the touch operation. In one embodiment, the touch circuit board 31 includes capacitive touch sensing elements. In one embodiment, the electronic device 15 further includes a processor 22. The processor 22 is electrically coupled to the input device 30 and configured to receive touch input signals.

As shown in FIG. 2 and FIG. 3 , the input device 30 further includes a pressing detection component 33 , and the pressing detection component 33 is disposed on the side of the touch circuit board 31 facing the opening 21 of the casing 20 and is touched by the touch detection component 33 . The control area 32 surrounds. In this embodiment, the pressing detection component 33 is a single-stage or multi-stage switch, and the switch is configured to provide a pressing input signal in response to a user's pressing operation. In one embodiment, the processor 22 (see FIG. 1 ) of the electronic device 15 is configured to receive a press input signal.

As shown in FIGS. 2 and 3 , the input device 30 further includes a button 34 and an elastic body 35 . The button 34 is disposed on the pressing detection part 33 , so when the button 34 is pressed down, the switch (ie, the pressing detection part 33 ) will be lowered to trigger the switch. The elastic body 35 is configured to provide compression feedback. Specifically, the elastic body 35 is disposed on the touch circuit board 31 and located on at least one side of the pressing detection component 33 , and the elastic body 35 is configured to abut the button 34 . The elastic body 35 is compressed when the button 34 is lowered by the pressing force, and rebounds after the pressing force applied to the button 34 is released to assist the button 34 to rise and return. In one embodiment, the button 34 is a metal button, and the elastic body 35 contains a conductive material (eg, conductive foam), and contacts the button 34 to remove free charges on the button 34 . In one embodiment, the elastic body 35 surrounds the pressing detection part 33 , in other words, the pressing detection part 33 is disposed in the opening in the center of the elastic body 35 .

As shown in FIGS. 2 and 3 , the input device 30 further includes a cover plate 36 . The cover plate 36 is disposed in the opening 21 of the casing 20 and covers the touch area 32 of the touch circuit board 31 . The cover plate 36 is used to protect the touch area 32 to prevent the touch area 32 from being directly exposed. In one embodiment, the cover plate 36 is a glass cover plate. In one embodiment, the cover plate 36 is pasted and fixed on the touch circuit board 31 through the adhesive layer A1.

As shown in FIGS. 2 and 3 , the button 34 is located in the center of the opening 21 of the housing 20 , and the cover 36 surrounds the button 34 . In other words, the cover plate 36 has an annular structure, and the button 34 is arranged in the opening in the center of the cover plate 36 . The cover plate 36 defines a ring-shaped touch operation area. In one embodiment, the user's sliding operation in the ring-shaped touch operation area is interpreted by the electronic device 15 as a "rotation" action. For example, the sliding operation causes the touch circuit board 31 to generate a touch For the input signal, the processor 22 can convert the touch input signal into a rotation input signal (eg, the conversion is performed based on parameters such as the path, direction, and speed of the sliding operation detected by the touch circuit board 31 ). The rotary input signal can be used for volume adjustment, forward/backward in a form, scrolling the screen, or other operations.

With the above configuration, the input device 30 of the present disclosure can realize the functions of pressing input and rotation input in a limited space, so that the input device 30 can be integrated into the thin and light electronic device 15 with limited thickness. Furthermore, the input device 30 forms an independent module, which makes the testing and maintenance of the input device 30 more convenient.

As shown in FIGS. 2 and 3 , in one embodiment, the touch circuit board 31 has at least one through hole 37 , the button 34 includes at least one hook 38 , and the hook 38 faces the touch circuit board 31 from the button 34 . One side protrudes out, and the hook 38 passes through the touch circuit board 31 and engages with the through hole 37 . With the above configuration, the button 34 can be prevented from falling off, and the button 34 can be guided up and down. In one embodiment, the through holes 37 and the hooks 38 are both plural, the through holes 37 are disposed around the pressing detection component 33 , and each hook 38 is engaged with one of the through holes 37 . In this way, the movement of the button 34 can be more stable when it is pressed.

As shown in FIG. 2 and FIG. 3 , in one embodiment, the button 34 includes metal (that is, the button 34 is a metal button), the elastic body 35 includes a conductive material (eg, conductive foam), and contacts the button 34 , the grounding area GND of the touch circuit board 31 is used to remove the free charge on the button 34 to the grounding area GND of the circuit board 31 . In one embodiment, the casing 20 includes metal (that is, the casing 20 is a metal casing), and the input device 30 further includes a conductive element 39 . The conductive element 39 is electrically coupled to the grounding area GND of the touch control circuit board 31 and the casing. body 20. With the above configuration, the free charge on the metal button 34 can be guided to the casing 20 to prevent the free charge from affecting the touch function.

In one embodiment, the elastic body 35 has a conductive adhesive (not shown) on the surface facing the button 34 and the surface facing the touch circuit board 31 , so that the elastic body 35 is adhered and fixed on the button 34 and on the touch circuit board 31 so that it can be electrically connected. In one embodiment, the elastic body 35 contacts a bare copper area (not shown) on the upper surface of the touch circuit board 31 , and the bare copper area is coupled to the grounding area GND.

In one embodiment, the grounding area GND is located on the surface of the touch circuit board 31 away from the button 34 , the conductive element 39 is disposed under the touch circuit board 31 , and one end of the conductive element 39 contacts the grounding area GND. The other end of the conductive element 39 can be fastened to the casing 20 by means of fasteners such as screws, so as to be electrically connected to the casing 20 . In one embodiment, the conductive element 39 is connected to the grounding area GND of the touch circuit board 31 by soldering. In one embodiment, the conductive element 39 includes copper foil, conductive patch or other suitable conductive material.

In one embodiment, the button 34 is a metal button, and the hook 38 of the button 34 is configured to contact the touch circuit board 31 , and is electrically coupled to the grounding area GND of the touch control circuit board 31 . With the above configuration, the free charge on the button 34 can also be guided to the casing 20 through the contact between the hook 38 and the touch circuit board 31 . In one embodiment, the hook 38 is configured to contact a bare copper area (not shown) on the lower surface of the touch circuit board 31 , and the bare copper area is coupled to the grounding area GND.

As shown in FIGS. 2 and 3 , in one embodiment, the input device 30 further includes a backboard 40 , and the backboard 40 abuts against the side of the touch circuit board 31 away from the opening 21 of the housing 20 and is fixed The inner surface of the casing 20 is connected to the ground (for example, the back plate 40 can be locked on the casing 20 through fasteners such as screws). The back panel 40 can provide support for the touch circuit board 31 to increase the overall strength of the input device 30 . In one embodiment, the backplane 40 includes a metal frame. In one embodiment, the touch circuit board 31 is pasted and fixed on the backplane 40 through the adhesive layer A2.

As shown in FIG. 2 and FIG. 3 , in one embodiment, the backplane 40 has at least one hollow area 41 , and the touch circuit board 31 includes electronic components 42 (eg, a controller, a driving circuit, etc.), and the electronic components 42 It is disposed on the side of the touch circuit board 31 away from the touch area 32 and located in the hollow area 41 . With the above configuration, the thickness of the input device 30 can be reduced. In one embodiment, the conductive element 39 is disposed under the backplane 40 and extends to the hollow area 41 of the backplane 40 to connect to the touch circuit board 31 .

Referring to FIGS. 4 to 6 , in this embodiment, the input device 30A can emit light to provide visual feedback to the user. In one embodiment, there is a first gap G1 (not drawn to scale) between the button 34 and the cover plate 36, a second gap G2 (not drawn to scale) between the housing 20 and the cover plate 36, and the input device 30A It is configured to project light through the first slit G1 and the second slit G2, so that the first slit G1 and the second slit G2 are lit. The first gap G1 and the second gap G2 are, for example, annular gaps.

As shown in FIGS. 4 to 6, the input device 30A includes at least one first light source 51, at least one second light source 52, a first light guide plate 61, a second light guide plate 62, The first shading element 71 and the second shading element 72 . The first light guide plate 61 faces the first gap G1, and the second light guide plate 62 extends beyond the outer edge of the cover plate 36 and faces the second gap G2. The first light source 51 is configured to irradiate toward the first light guide plate 61 , and the first light guide plate 61 is configured to guide the light emitted by the first light source 51 to irradiate outward through the first gap G1 . The second light source 52 is configured to irradiate toward the second light guide plate 62 , and the second light guide plate 62 is configured to guide the light emitted by the second light source 52 to irradiate outward through the second gap G2 .

In one embodiment, the first light source 51 and the second light source 52 can be switched on and off independently, for example, one of the first light source 51 and the second light source 52 can be turned on independently, so that the first gap G1 and the second gap G2 When one of them is turned on, the first light source 51 and the second light source 52 can also be turned on at the same time, so that both the first gap G1 and the second gap G2 are turned on. In one embodiment, the first light source 51 and the second light source 52 include LED lamps. In one embodiment, the first light source 51 and the second light source 52 are configured to emit light of different colors.

In one embodiment, the first light source 51 is turned on in response to the detection of the user's pressing operation by the pressing detection component 33 . In one embodiment, the second light source 52 is turned on when the touch circuit board 31 detects the touch operation of the user. In one embodiment, the processor of the electronic device (eg, the processor 22 in FIG. 1 ) is configured to control the first light source 51 or the second light source 52 based on the touch input signal provided by the touch circuit board 31 . For example, the processor is configured to determine the speed of the user's sliding operation based on the touch input signal, and control the brightness of the first light source 51 or the second light source 52 as the speed of the sliding operation increases/decreases Rise and fall.

As shown in FIGS. 4 to 6 , the input device 30A further includes a first shading element 71 and a second shading element 72 disposed on the touch circuit board 31 , thereby preventing the first light source 51 and the second light source 52 from interacting with each other. It is ensured that the first light source 51 is turned on to light only the first gap G1, and the second light source 52 is turned on to light only the second gap G2.

As shown in FIGS. 4 to 6 , specifically, the first light shielding element 71 is disposed between the first light guide plate 61 and the second light guide plate 62 and between the first light source 51 and the second light guide plate 62 Therefore, the first light shielding element 71 can prevent the first light source 51 from irradiating the second light guide plate 62 and prevent the light from communicating between the first light guide plate 61 and the second light guide plate 62 . The second light shielding element 72 is disposed between the second light source 52 and the first light guide plate 61 . Therefore, the second light shielding element 72 can prevent the second light source 52 from irradiating the first light guide plate 61 . In one embodiment, the first light-shielding element 71 and the second light-shielding element 72 include ink, opaque glue, or a combination thereof.

As shown in FIGS. 4 to 6, in one embodiment, the first light guide plate 61 and the second light guide plate 62 are stacked on the touch circuit board 31, and the first light guide plate 61 is located on the second light guide plate Below 62. The cover plate 36 covers the second light guide plate 62 , and the cover plate 36 is pasted and fixed on the second light guide plate 62 through the adhesive layer A1 , for example. The first light guide plate 61 and the second light guide plate 62 are dislocated. Specifically, the first light guide plate 61 has a first part 63 and a second part 64, the second light guide plate 62 has a first part 65 and a second part 66, and the first The first portion 63 of the light guide plate 61 overlaps the first portion 65 of the second light guide plate 62 . The second portion 64 of the first light guide plate 61 is located inside the first portion 63 and does not contact the second light guide plate 62 . The second portion 66 of the second light guide plate 62 is located outside the first portion 65 and does not contact the first light guide plate 61 . The second portion 64 of the first light guide plate 61 is not covered by the second light guide plate 62 and faces the first slit G1. Under the above arrangement, the cross sections of the first light guide plate 61 and the second light guide plate 62 are stepped.

As mentioned above, the first light source 51 is disposed outside the first light guide plate 61 and below the second portion 66 of the second light guide plate 62 , and the second light source 52 is disposed outside the second light guide plate 62 . Therefore, the first light source 51 is located between the second light source 52 and the first light guide plate 61 . The second light source 52 is higher than the first light source 51 so that it can illuminate the second light guide plate 62 positioned above the first light guide plate 61 . In one embodiment, both the first light sources 51 and the second light sources 52 are plural, the first light sources 51 are arranged in a circle along the outer edge of the first light guide plate 61 , and the second light sources 52 are outside the first light sources 51 . They are arranged in another circle and aligned with one of the first light sources 51 respectively. In one embodiment, the first light sources 51 and the second light sources 52 are arranged at equal intervals.

As shown in FIGS. 4 to 6 , in one embodiment, the first light shielding element 71 covers the lower surface of the second light guide plate 62 . In one embodiment, the second light shielding element 72 is disposed around the first light guide plate 61 and extends between the first light source 51 and the second light source 52 . In one embodiment, the second light shielding element 72 includes one or more openings 73 communicating with the first light guide plate 61 , and the first light source 51 is disposed in the openings 73 of the second light shielding element 72 .

As shown in FIGS. 4 to 6 , in one embodiment, the input device 30A further includes a third light source 53 , and the third light source 53 is disposed under the button 34 . The elastic body 35 surrounds the pressing detection part 33 and the third light source 53 , in other words, the pressing detection part 33 and the third light source 53 are arranged in the space surrounded by the annular elastic body 35 . The button 34 has a light-transmitting area T1 , and the third light source 53 is configured to illuminate toward the light-transmitting area T1 to light the button 34 . The appearance of the light-transmitting area T1 can be various symbols, characters, patterns or combinations thereof. In one embodiment, the lower surface of the button 34 is treated with a light-shielding surface (eg, a layer of ink is provided), and part of the light-shielding surface treatment can be removed by etching or laser engraving to form the light-transmitting area T1 .

As shown in FIGS. 4 to 6 , in one embodiment, the touch operation area defined by the touch area 32 and the cover plate 36 can also provide a pressing input function. Specifically, the touch circuit board 31 is configured to provide a touch input signal in response to a user's pressing operation, and the touch input signal displays the pressed position. The processor of the electronic device (eg, the processor 22 in Figure 1) is configured to perform different operations based on the location of the press. The cover plate 36 may have one or more patterns (eg, various symbols, characters, patterns or combinations thereof) in appearance to indicate operations corresponding to each pressing position.

As shown in FIGS. 4 to 6 , in one embodiment, the pattern is realized in the form of a light-transmitting area T2 , and the second light source 52 is configured to light up the light-transmitting area T2 . In one embodiment, the cover plate 36 is a transparent cover plate, a part of the second light guide plate 62 (eg, the first part 65 ) is located under the cover plate 36 , and the part of the second light guide plate 62 under the cover plate 36 has The light-transmitting area T2. In one embodiment, a layer of ink is disposed on the surface of the second light guide plate 62 , and the ink layer is partially cut to form the light-transmitting area T2 . In one embodiment, a layer of ink is disposed on the surface of the cover plate 36 , and a portion of the ink layer is cut to form the light-transmitting area T2 .

Referring to FIGS. 7 to 9 , different from the foregoing embodiments, the first light source 51 and the second light source 52 of the input device 30B of this embodiment are arranged in a circle along the outer edge of the first light guide plate 61 . In one embodiment, both the first light sources 51 and the second light sources 52 are plural, and the first light sources 51 and the second light sources 52 are staggered. In one embodiment, each of the first light sources 51 is arranged between two second light sources 52 .

In addition, in this embodiment, the structure of the second light shielding element 72B is different from that of the previous embodiment. Specifically, the second light shielding element 72B is disposed around the first light guide plate 61 , and the second light shielding element 72B has at least one first opening 74 and at least one second opening 75 , the first opening 74 communicates with the first light guide plate 61 , and The second opening 75 is separated from the first light guide plate 61 , and the first light source 51 and the second light source 52 are located in the first opening 74 and the second opening 75 , respectively.

In addition, in this embodiment, the second light guide plate 62B and the first light shielding element 71B covering the lower surface of the second light guide plate 62B have openings 76 and 77 corresponding to the second opening 75 of the second light shielding element 72B. The two light sources 52 are disposed in the opening 76 of the second light guide plate 62B and the opening 77 of the first light shielding element 71B.

Referring to FIG. 10, in this embodiment, the pressing detection component 33C of the input device 30C is a pressure sensor, and the pressure sensor is configured to provide a pressing input signal in response to a user's pressing operation, and the pressing input signal Displays the pressing pressure on the pressure sensor. In one embodiment, the processor of the electronic device (eg, the processor 22 in FIG. 1 ) is configured to receive a press input signal. In one embodiment, the processor of the electronic device is configured to control the first light source 51 or the second light source 52 based on the pressing input signal provided by the pressure sensor. For example, the processor may control the luminous brightness of the first light source 51 or the second light source 52 to increase/decrease as the pressing pressure increases/decreases.

As shown in FIG. 10, in one embodiment, the button 34C includes a protruding structure 49, and the protruding structure 49 protrudes from the side of the button 34C close to the touch circuit board 31 and abuts against the pressure sensor (ie, the press detection measuring part 33C).

To sum up, the input device of the present disclosure is composed of the touch circuit board, the press detection component, the button and the cover to form a thin and independent module, so that the input device of the present disclosure can be integrated into thin and light electronic devices with limited thickness installation, and improve the convenience of testing and maintenance.

Although the present disclosure has been disclosed as above in embodiments, it is not intended to limit the present disclosure. Anyone skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure. Therefore, the present disclosure protects The scope shall be determined by the scope of the appended patent application.

15: Electronics 20: Shell 21: Opening 22: Processor 30, 30A, 30B, 30C: Input device 31: Touch circuit board 32: Touch area 33, 33C: Press detection part 34, 34C: Button 35: Elastomer 36: Cover 37: Through hole 38: hook 39: Conductive elements 40: Backplane 41: Hollow area 42: Electronic Components 49: Protrusion structure 51: The first light source 52: Second light source 53: The third light source 61: The first light guide plate 62,62B: Second light guide plate 63,65: Part 1 64,66: Part II 71, 71B: First shading element 72, 72B: Second shading element 73: Opening 74: The first opening 75: Second Opening 76,77: Opening A1, A2: Adhesive layer G1: The first gap G2: Second gap GND: grounding area T1, T2: light transmission area

In order to make the above and other objects, features, advantages and embodiments of the present disclosure more clearly understood, the accompanying drawings are described as follows: FIG. 1 is a top view illustrating an electronic device according to an embodiment of the present disclosure. FIG. 2 is a cross-sectional view of the electronic device shown in FIG. 1 , and the cross-section of this figure passes through the input device. FIG. 3 is an exploded view showing the input device of the electronic device shown in FIG. 1 . FIG. 4 is an enlarged view illustrating an input device according to an embodiment of the present disclosure. FIG. 5 is an exploded view showing the input device shown in FIG. 4 . FIG. 6 is a cross-sectional view showing the input device shown in FIG. 4 . FIG. 7 is an exploded view illustrating an input device according to an embodiment of the present disclosure. FIG. 8 is a combined cross-sectional view of the input device shown in FIG. 7, and the cross-section of the figure passes through the first light source. FIG. 9 is a combined cross-sectional view of the input device shown in FIG. 7, and the cross-section of this figure passes through the second light source. FIG. 10 is a cross-sectional view illustrating an input device according to an embodiment of the present disclosure.

20: Shell

21: Opening

30: Input device

31: Touch circuit board

32: Touch area

33: Press detection component

34: Button

35: Elastomer

36: Cover

37: Through hole

38: hook

39: Conductive elements

40: Backplane

41: Hollow area

42: Electronic Components

A1, A2: Adhesive layer

GND: grounding area

Claims (20)

An electronic device comprising: a housing having an opening; and an input device, comprising: a touch circuit board fixedly disposed in the casing and having a touch area facing the opening of the casing; a press detection component disposed on the touch circuit board and surrounded by the touch area; a button, disposed on the press detection component; and A cover plate covers the touch area and surrounds the button. The electronic device of claim 1, wherein the touch circuit board has a through hole, the button includes a hook, and the hook is engaged with the through hole. The electronic device as claimed in claim 1, wherein the input device further comprises a conductive elastic body disposed on at least one side of the press detection component, wherein the button comprises metal, and the conductive elastic body contacts the button and the touch circuit board, which is electrically coupled to a grounding area of the touch circuit board. The electronic device of claim 3, wherein the casing comprises metal, the input device further comprises a conductive element, and the conductive element is electrically coupled to the ground region of the touch circuit board and the casing. The electronic device as claimed in claim 1, wherein the input device further comprises a back plate, the back plate abuts on a side of the touch circuit board away from the opening of the casing, and is fixedly connected to the casing of the casing an inner surface. The electronic device of claim 1, wherein the press detection component comprises a switch or a pressure sensing element. The electronic device of claim 1, wherein the button has a light-transmitting area, the input device further comprises a light source and an elastic body, the light source and the elastic body are arranged under the button, and the elastic body surrounds the The pressing detection component and the light source. The electronic device of claim 1, wherein a first gap is formed between the button and the cover plate, a second gap is formed between the casing and the cover plate, and the input device further comprises a At least one first light source, at least one second light source, a first light guide plate, a second light guide plate, a first shading element and a second shading element on the circuit board, the first light guide plate facing the first light guide plate a slit, the second light guide plate faces the second slit, the first light source is configured to emit light toward the first light guide plate, the second light source is configured to emit light toward the second light guide plate, and the first light shielding element is arranged on the The first light guide plate and the second light guide plate are arranged between the first light source and the second light guide plate, and the second light shielding element is arranged between the second light source and the first light guide plate. The electronic device of claim 8, wherein the first light source is located between the first light guide plate and the second light source, the second light shielding element is disposed around the first light guide plate, and is located between the first light source and the second light source. extending between the second light sources. The electronic device of claim 8, wherein the second light-shielding element is disposed around the first light guide plate and has a first opening and a second opening, the first opening communicates with the first light guide plate, and the second light guide plate is connected to the second light guide plate. The opening is separated from the first light guide plate, the first light source and the second light source are arranged along an outer edge of the first light guide plate, and are respectively located in the first opening and the second opening. The electronic device of claim 8, wherein a part of the second light guide plate is located under the cover plate, and the cover plate or the part of the second light guide plate has a light-transmitting area. The electronic device as claimed in claim 8, wherein the first light guide plate and the second light guide plate are stacked on the touch circuit board, and the first light guide plate and the second light guide plate are arranged in a staggered position, the first light guide plate The light source is located under the second light guide plate. An input device, comprising: a touch circuit board with a touch area; a press detection component disposed on the touch circuit board and surrounded by the touch area, wherein the press detection component includes a switch or a pressure sensing element; a button, disposed on the press detection component; and A cover plate covers the touch area and surrounds the button. The input device of claim 13, wherein the touch circuit board has a through hole, the button includes a hook, and the hook is engaged with the through hole. The input device of claim 13, further comprising a conductive elastic body disposed on at least one side of the press detection component, wherein the button comprises metal, the conductive elastic body contacts the button and the touch The circuit board is electrically coupled to a grounding area of the touch circuit board. The input device as claimed in claim 13, further comprising a back plate, the back plate abuts on a side of the touch circuit board away from the touch area. The input device according to claim 13, further comprising a light source and an elastic body, the light source and the elastic body are disposed under the button, and the elastic body surrounds the pressing detection component and the light source, wherein the button has A transparent area. The input device of claim 13, further comprising at least one first light source, at least one second light source, a first light guide plate, a second light guide plate, and a first light shielding element disposed on the touch circuit board and a second shading element, wherein there is a gap between the button and the cover plate, the first light guide plate faces the gap, the second light guide plate extends beyond an outer edge of the cover plate, the first light source is configured to irradiate toward the first light guide plate, the second light source is configured to irradiate toward the second light guide plate, the first light shielding element is arranged between the first light guide plate and the second light guide plate, and is arranged in the first light guide plate between the light source and the second light guide plate, and the second light shielding element is arranged between the second light source and the first light guide plate. The input device of claim 18, wherein a portion of the second light guide plate is located under the cover plate, and the cover plate or the portion of the second light guide plate has a light-transmitting area. The input device according to claim 18, wherein the first light guide plate and the second light guide plate are stacked on the touch circuit board, and the first light guide plate and the second light guide plate are arranged in a staggered position, the first light guide plate The light source is located under the second light guide plate.

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