TWI796187B - Touchpad device - Google Patents

Abstract

The present invention discloses a touchpad device including a base plate, an opening, a touchpad, an adhesive and a cover layer. The cover layer includes a stretch part. The opening is disposed on the base plate. The touchpad is disposed in the opening. The cover layer is covered on the base plate, the opening and the touchpad. The adhesive is disposed on the surface of the base plate and the touchpad, and is used for adhering the cover layer to the substrate and the touchpad. Wherein, the surface of the base plate and the touchpad correspond to the position of the stretch part of the cover layer is not disposed the adhesive. The stretch part of the cover layer can be elastically deformed.

Description

touch device

The present invention relates to an input device, in particular to a touch device.

In a conventional touch device, an opening is provided on the surface of the casing of the device, and a touchpad is disposed in the opening on the surface of the casing. The touchpad can move relative to the casing, so that the user can press the touchpad to generate a signal. . There are usually gaps between the surface of the case and the touchpad, these gaps separate the touchpad from the case, allow the touchpad to move relative to the case, and are a normal structure that occurs during assembly porosity.

However, the gaps between these housings and the touchpad are prone to dust accumulation, and liquids can easily seep into the gaps. In addition to being difficult to clean, the touchpad will also cause insensitivity and damage. If the gap between the shell and the touchpad is stuck, it will also cause the touchpad to be difficult to press.

In order to solve the conventional problems, the present invention provides a touch device. The touch device of the present invention has a substrate, a touch panel, and a cover layer. Covering and fixing the cover layer on the substrate and the touch panel can prevent dust, foreign matter and liquid moisture from entering the gap between the substrate and the touch panel, thereby protecting the touch panel. purpose of the control panel. At the same time, the stretched part provided on the cover corresponds to the gap between the substrate and the touch panel, so that the touch panel will not be hindered by the cover layer when pressed, and the gap of the touch panel is prevented from being stuck by the cover layer. Moreover, the present invention can also avoid that when the cover layer is fixed on the substrate and the touch panel with glue, because the position of the glue is too close to the edge of the substrate and the touch panel, the cover layer is over-fixed and the elasticity is not good enough to cause touch Difficulty pressing the plate.

In order to achieve the above object, a button of the present invention comprises: A substrate, the substrate has a first surface and a first peripheral portion, the first peripheral portion is located on the first surface; an opening disposed on the first surface of the substrate, and the first peripheral portion of the substrate surrounds the opening; A touch panel, the touch panel is arranged in the opening and can move relative to the substrate, the touch panel has a second surface and a second peripheral portion, the second peripheral portion is located on the second surface and surrounds On the periphery of the touch panel, the second peripheral portion corresponds to the first peripheral portion of the substrate; A cover layer covering the substrate, the opening and the touch panel, the cover layer has a first fixing part, a second fixing part and a stretching part, the first fixing part corresponds to the first fixing part of the substrate a surface, the second fixing portion corresponds to the second surface of the touch panel, the stretching portion covers the first peripheral portion of the substrate and the second peripheral portion of the touch panel; and an adhesive disposed on the first surface of the substrate and the second surface of the touch panel for positioning the cover layer on the substrate and the touch panel; Wherein, the first peripheral portion of the substrate and the second peripheral portion of the touch panel are not provided with the adhesive, so that the stretching portion of the cover layer can be elastically deformed and restored.

Preferably, the touch panel is parallel to the extension direction of the substrate and arranged in the opening, and the touch panel can move vertically relative to the substrate.

Preferably, the first peripheral portion of the substrate surrounds the second peripheral portion of the touch panel, the first peripheral portion and the second peripheral portion are separated from each other by a gap, and the stretched portion of the cover layer Covering the first peripheral portion, the second peripheral portion and the gap.

Preferably, the first surface of the substrate has a first adhesive portion, the second surface of the touch panel has a second adhesive portion, and the first adhesive portion corresponds to the first fixing portion of the cover layer, The second adhesive portion corresponds to the second fixing portion of the cover layer, and the adhesive is disposed on the first adhesive portion and the second adhesive portion.

Preferably, the thickness of the stretched portion of the cover layer is smaller than that of the first fixing portion and the second fixing portion.

Preferably, the thickness of the stretching portion and the first fixing portion of the cover layer is smaller than that of the second fixing portion.

Preferably, the thickness of the stretching portion and the second fixing portion of the cover layer is smaller than that of the first fixing portion.

Preferably, the first surface of the substrate has a first slope, and the first peripheral portion is located on the first slope.

Preferably, the second surface of the touch panel has a second slope, and the second peripheral portion is located on the second slope.

Preferably, the adhesive is distributed on the first surface of the substrate and the second surface of the touch panel in the form of lines or dots.

Preferably, the cover layer has elasticity, can be stretched and elastically deformed, and can be elastically restored.

In the following, preferred embodiments of the present invention will be described together with drawings.

Please refer to FIG. 1 , an exploded perspective view of a touch device according to a first preferred embodiment of the present invention, and FIG. 2 , a schematic cross-sectional view of a touch device according to a first preferred embodiment of the present invention. The touch device 1 of the present invention includes a substrate 10 , an opening 11 , a touch panel 12 , a cover layer 13 and an adhesive 14 . The substrate 10 has a first surface 101 , a first peripheral portion 102 and a first adhesive portion 103 . The touch panel 12 has a second surface 121 , a second peripheral portion 122 and a second adhesive portion 123 . The cover layer 13 has a first fixing portion 131 , a second fixing portion 132 and a stretching portion 133 .

The first peripheral portion 102 and the first adhesive portion 103 of the substrate 10 are located on the first surface 101 of the substrate. The opening 11 is disposed on the first surface 101 of the substrate 10 , and the first peripheral portion 102 of the substrate 10 surrounds the opening 11 . The second peripheral portion 122 and the second adhesive portion 123 of the touchpad 12 are located on the second surface 121 of the touchpad 12 , and the second peripheral portion 122 surrounds the periphery of the touchpad 12 .

The touch panel 12 is disposed in the opening 11, and there is a gap 111 between the touch panel 12 and the substrate 10, the touch panel 12 is parallel to the plane extending direction of the substrate 10, and the touch panel 12 can be perpendicular to the substrate 10 move. The second peripheral portion 122 of the touchpad 12 corresponds to the first peripheral portion 102 of the substrate 10. Preferably, the first peripheral portion 102 of the substrate 10 surrounds the second peripheral portion 122 of the touchpad 12, and the second peripheral portion There is a gap 111 between the portion 122 and the first peripheral portion 102 .

The cover layer 13 covers the substrate 10 , the opening 11 and the touch panel 12 . The cover layer 13 has elasticity, can be stretched and elastically deformed, and can be elastically restored. The first fixing portion 131 of the cover layer 13 corresponds to the first adhesive portion 103 of the first surface 101 of the substrate 10 , the second fixing portion 132 of the cover layer 13 corresponds to the second adhesive portion 123 of the second surface 121 of the touch panel 12 , The stretched portion 133 of the cover layer 13 covers the first peripheral portion 102 of the substrate 10 , the second peripheral portion 122 of the touch panel 12 and the gap 111 .

The adhesive 14 is disposed on the first adhesive portion 103 of the first surface 101 of the substrate 10 and the second adhesive portion 123 of the second surface 121 of the touch panel 12 . The adhesive 14 makes the first adhesive part 103 of the substrate 10 bond and fix the first fixing part 131 of the cover layer 13, and makes the second bonding part 123 of the touch panel 12 bond and fix the second fixing part 132 of the cover layer 13, so that the cover layer 13 is positioned on the substrate 10 and the touch panel 12 .

The adhesive 14 is not disposed on the first peripheral portion 102 of the substrate 10 and the second peripheral portion 122 of the touch panel 12 , so the stretched portion 133 of the cover layer 13 is not fixed and can be elastically deformed, stretched or reset.

Please refer to FIG. 3 , a schematic cross-sectional view of a touch device according to a first preferred embodiment of the present invention. To further illustrate, when the touch panel 12 is pressed, it will move in the sinking direction D. At this time, the first fixing portion 131 of the cover layer 13 will be fixed on the first bonding portion 103 of the substrate 10 by the adhesive 14, and the cover layer 13 The second fixing portion 132 is fixed on the second adhesive portion 123 of the touch panel 12 by the adhesive 14, but the first peripheral portion 102 of the substrate 10 and the second peripheral portion 122 of the touch panel 12 do not have the adhesive 14, The stretched portion 133 of the cover layer 13 is therefore not fixed. Therefore, when the touch panel 12 moves, the stretching portion 133 can be elastically stretched to keep covering the gap 111 and prevent dust or moisture from entering the gap 111 . At the same time, because the first peripheral portion 102 of the substrate 10 and the second peripheral portion 122 of the touch panel 12 are not bonded to the stretched portion 133 of the cover layer 13, the adhesive 14 will not be close to the substrate 10 and the touch panel 12. The edge allows the stretching part 133 to have a larger range for elastic stretching, and is not overly fixed, making it easier to press and move the touchpad 12 , and will not be affected by the stretching part 133 on the pressing feel and sensitivity.

To continue describing the second preferred embodiment of the present invention, please refer to FIG. 4 , a schematic cross-sectional view of a touch device according to a second preferred embodiment of the present invention. Part of the structure, operation method and function of the second preferred embodiment of the present invention are the same as those of the first preferred embodiment, so the similarities will not be repeated, and only the different parts will be described. The touch device 2 of the second preferred embodiment of the present invention includes a substrate 20 , an opening 21 , a touch panel 22 , a cover layer 23 and an adhesive 24 . The cover layer 23 has a first fixing portion 231 , a second fixing portion 232 and a stretching portion 233 . The stretching portion 233 of the cover layer 23 is thinner than the first fixing portion 231 and the second fixing portion 232 , so that the stretching portion 233 has better elasticity and extensibility than the first fixing portion 231 and the second fixing portion 232 .

To continue describing the third preferred embodiment of the present invention, please refer to FIG. 5 , a schematic cross-sectional view of a touch device according to a third preferred embodiment of the present invention. Part of the structure, operation mode and function of the third preferred embodiment of the present invention are the same as those of the first preferred embodiment, so the similarities will not be repeated, and only the different parts will be described. The touch device 3 of the third preferred embodiment of the present invention includes a substrate 30 , an opening 31 , a touch panel 32 , a cover layer 33 and an adhesive 34 . The cover layer 33 has a first fixing portion 331 , a second fixing portion 332 and a stretching portion 333 . The thickness of the stretching part 333 and the first fixing part 331 of the cover layer 33 is smaller than that of the second fixing part 332 , so that the stretching part 333 has better elasticity and extension ability.

Continuing to describe the fourth preferred embodiment of the present invention, please refer to FIG. 6 , a schematic cross-sectional view of a touch device according to a fourth preferred embodiment of the present invention. Part of the structure, operation method and function of the fourth preferred embodiment of the present invention are the same as those of the first preferred embodiment, so the similarities will not be repeated, and only the different parts will be described. The touch device 4 of the fourth preferred embodiment of the present invention includes a substrate 40 , an opening 41 , a touch panel 42 , a cover layer 43 and an adhesive 44 . The cover layer 43 has a first fixing portion 431 , a second fixing portion 432 and a stretching portion 433 . The thickness of the stretching part 433 and the second fixing part 432 of the cover layer 43 is smaller than that of the first fixing part 431 , so that the stretching part 433 has better elasticity and extension ability.

Continuing to describe the fifth preferred embodiment of the present invention, please refer to FIG. 7 , a schematic cross-sectional view of a touch device according to a fifth preferred embodiment of the present invention. Part of the structure, operation mode and function of the fifth preferred embodiment of the present invention are the same as those of the first preferred embodiment, so the similarities will not be repeated, and only the different parts will be described. The touch device 5 according to the fifth preferred embodiment of the present invention includes a substrate 50 , an opening 51 , a touch panel 52 , a cover layer 53 and an adhesive 54 . The substrate 50 has a first surface 501 and a first peripheral portion 502 , the first surface 501 has a first slope 504 , and the first peripheral portion 502 of the substrate 50 is located on the first slope 504 . The touchpad 52 has a second surface 521 and a second peripheral portion 522 , the second surface 521 has a second slope 524 , and the second peripheral portion 522 of the touchpad 52 is located on the second slope 524 . The cover layer 53 has a first fixing portion 531 , a second fixing portion 532 and a stretching portion 533 . The angle of the first inclined surface 504 of the substrate 50 is larger than that of the substrate 50, and the angle of the second inclined surface 524 of the touch panel 52 is larger than that of the touch panel 52, so that a larger space is formed under the stretched part 533 of the cover layer 53, which can be used for The stretching part 533 stretches elastically, and the stretching ability of the stretching part 533 will not be affected by the interference of the edges of the substrate 50 and the touch panel 52 .

Continue to describe the sixth preferred embodiment of the present invention, please refer to Figure 8, a schematic cross-sectional view of a touch device according to a sixth preferred embodiment of the present invention, Figure 9, a schematic diagram of an adhesive in a sixth preferred embodiment of the present invention, and Figure 10, a schematic diagram of a sixth preferred embodiment of the present invention Schematic diagram of adhesives in six preferred embodiments. Part of the structure, operation mode and function of the sixth preferred embodiment of the present invention are the same as those of the first preferred embodiment, so the similarities will not be repeated, and only the different parts will be described. The touch device 6 according to the sixth preferred embodiment of the present invention includes a substrate 60 , an opening 61 , a touch panel 62 , a cover layer 63 and an adhesive 64 . The substrate 60 has a first surface 601 , and the touch panel 62 has a second surface 621 . The adhesive 64 presents a line pattern 64 or a dot pattern 64 ′ and is disposed on the first surface 601 of the substrate 60 and the second surface 621 of the touch panel 62 by coating, printing or gluing. The adhesive 64 is arranged in a line pattern 64 or a dot pattern 64 ′, which can accurately control the distribution range of the adhesive, so that the adhesive 64 is located at a correct position, and prevents the cover layer 63 from being over-bonded and fixed.

The above are only preferred embodiments of the present invention, and all other equivalent changes or modifications that do not deviate from the spirit disclosed in the present invention shall fall within the scope of the present invention.

1: Touch device 2: Touch device 3: Touch device 4: Touch device 5: Touch device 6: Touch device 10: Substrate 11: opening 12:Touchpad 13: Cover layer 14: Glue 20: Substrate 21: opening 22:Touchpad 23: cover layer 24: Glue 30: Substrate 31: opening 32:Touchpad 33: cover layer 34: Glue 40: Substrate 41: opening 42:Touchpad 43: cover layer 44: Glue 50: Substrate 51: opening 52:Touchpad 53: cover layer 54: Glue 60: Substrate 61: opening 62:Touchpad 63: cover layer 64: Glue 64': Adhesive 101: First Surface 102: The first peripheral part 103: The first bonding part 111: Gap 121: second surface 122: the second peripheral part 123: the second bonding part 131: The first fixed part 132: the second fixed part 133: stretching department 231: The first fixed part 232: The second fixed part 233: stretching department 331: The first fixed part 332: The second fixed part 333: stretching department 431: The first fixed part 432: The second fixed part 433: stretching department 501: first surface 502: The first peripheral part 504: first bevel 521: second surface 522: Second peripheral part 524: second slope 531: The first fixed part 532: The second fixed part 533: stretching department 601: first surface 621: second surface

FIG. 1 is an exploded perspective view of a touch device according to a first preferred embodiment of the present invention. FIG. 2 is a schematic cross-sectional view of a touch device according to a first preferred embodiment of the present invention. FIG. 3 is a schematic cross-sectional view of a touch device according to a first preferred embodiment of the present invention. FIG. 4 is a schematic cross-sectional view of a touch device according to a second preferred embodiment of the present invention. FIG. 5 is a schematic cross-sectional view of a touch device according to a third preferred embodiment of the present invention. FIG. 6 is a schematic cross-sectional view of a touch device according to a fourth preferred embodiment of the present invention. 7 is a schematic cross-sectional view of a touch device according to a fifth preferred embodiment of the present invention. FIG. 8 is a schematic cross-sectional view of a touch device according to a sixth preferred embodiment of the present invention. Fig. 9 is a schematic diagram of the adhesive of the sixth preferred embodiment of the present invention. Fig. 10 is a schematic diagram of the adhesive of the sixth preferred embodiment of the present invention.

1: Touch device

10: Substrate

11: opening

12:Touchpad

13: Cover layer

14: Glue

101: First Surface

102: The first peripheral part

103: The first bonding part

111: Gap

121: second surface

122: the second peripheral part

123: the second bonding part

131: The first fixed part

132: the second fixed part

133: stretching department

Claims (11)

A touch device, comprising: A substrate, the substrate has a first surface and a first peripheral portion, the first peripheral portion is located on the first surface; an opening disposed on the first surface of the substrate, and the first peripheral portion of the substrate surrounds the opening; A touch panel, the touch panel is arranged in the opening and can move relative to the substrate, the touch panel has a second surface and a second peripheral portion, the second peripheral portion is located on the second surface and surrounds On the periphery of the touch panel, the second peripheral portion corresponds to the first peripheral portion of the substrate; A cover layer covering the substrate, the opening and the touch panel, the cover layer has a first fixing part, a second fixing part and a stretching part, the first fixing part corresponds to the first fixing part of the substrate a surface, the second fixing portion corresponds to the second surface of the touch panel, the stretching portion covers the first peripheral portion of the substrate and the second peripheral portion of the touch panel; and an adhesive disposed on the first surface of the substrate and the second surface of the touch panel for positioning the cover layer on the substrate and the touch panel; Wherein, the first peripheral portion of the substrate and the second peripheral portion of the touch panel are not provided with the adhesive, so that the stretching portion of the cover layer can be elastically deformed and restored. The button according to claim 1, wherein the touchpad is parallel to the extending direction of the substrate and arranged in the opening, and the touchpad can move vertically relative to the substrate. The touch device according to claim 1, wherein the first peripheral portion of the substrate surrounds the second peripheral portion of the touch panel, the first peripheral portion and the second peripheral portion are separated by a gap, the The stretched portion of the cover layer covers the first peripheral portion, the second peripheral portion and the gap. The touch device according to claim 1, wherein the first surface of the substrate has a first adhesive portion, the second surface of the touch panel has a second adhesive portion, and the first adhesive portion corresponds to the cover layer The first fixing portion, the second adhesive portion corresponds to the second fixing portion of the cover layer, and the adhesive is disposed on the first adhesive portion and the second adhesive portion. The touch device according to claim 1, wherein the thickness of the stretched portion of the cover layer is smaller than that of the first fixing portion and the second fixing portion. The touch device according to claim 1, wherein the thickness of the stretched portion and the first fixed portion of the cover layer is smaller than that of the second fixed portion. The touch device according to claim 1, wherein the thickness of the stretched portion and the second fixed portion of the cover layer is smaller than that of the first fixed portion. The touch device according to claim 1, wherein the first surface of the substrate has a first slope, and the first peripheral portion is located on the first slope. The touch device according to claim 1, wherein the second surface of the touch panel has a second slope, and the second peripheral portion is located on the second slope. The touch device according to claim 1, wherein the adhesive is distributed on the first surface of the substrate and the second surface of the touch panel in a line shape or a point shape. The touch device according to claim 1, wherein the cover layer has elasticity, can be stretched and elastically deformed, and can be elastically reset.

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