Touch and writing device of Apple computer

Abstract

The utility model discloses a touch control and writing device of an Apple computer, and relates to the technical field of man-machine interaction, the touch control and writing device of the Apple computer comprises a mask frame and an infrared touch control assembly, the mask frame is arranged corresponding to a frame edge at the edge of a display area of the Apple computer, the mask frame comprises a front shell and a rear cover, and the infrared touch control assembly is arranged on the front shell. The front shell and the rear cover are connected to form a mounting cavity, and the inner ring side of the front shell is light-permeable; the infrared touch control assembly is installed in the installation cavity and comprises a circuit board, an infrared light filtering strip and a plurality of infrared probes, one side of the circuit board is attached to the rear cover, the other side of the circuit board is electrically connected with the infrared probes, the infrared light filtering strip is arranged on the inner ring side of the front shell, and the infrared light filtering strip is electrically connected with the infrared probes. The infrared probe is arranged towards the infrared filtering strip so as to transmit infrared light towards the display area; according to the technical scheme, the structure of the touch control and writing device can be simplified, and the light and thin design of the touch control and writing device is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to human-computer interaction technical field, especially touch and writing device of apple computer. BACKGROUND

[0002] In order to meet the touch demand of consumer to non-touch display device, the touch and writing device for providing touch function appears on the market to change non-touch display device into touchable display device, however, the existing touch and writing device usually has touch screen, and many parts are not conducive to the thin design of touch and writing device. UTILITY MODEL CONTENT

[0003] The utility model discloses a touch and writing device of apple computer, which aims to simplify the structure of the touch and writing device and realize the thin design of the touch and writing device.

[0004] To achieve the above object, the utility model discloses a touch and writing device of apple computer, which comprises:

[0005] The mask frame is arranged corresponding to the frame edge at the edge of the display area of the apple computer, the mask frame comprises a front shell and a rear cover, the front shell and the rear cover are connected to form a mounting cavity, and the inner ring side of the front shell is transparent.

[0006] The infrared touch assembly is installed in the mounting cavity, the infrared touch assembly comprises a circuit board, an infrared filter strip and a plurality of infrared probes, one side of the circuit board is attached to the rear cover, the other side is electrically connected with the infrared probes, the infrared filter strip is arranged on the inner ring side of the front shell, and the infrared probes are arranged towards the infrared filter strip to transmit infrared light towards the display area.

[0007] In an embodiment, the front shell comprises a panel, an outer ring edge and an inner ring edge, the outer ring edge is arranged at the outer side of the inner ring edge in a spaced manner and is connected to the same side of the panel with the inner ring edge, and the circuit board is limited between the inner ring edge and the outer ring edge.

[0008] In an embodiment, the infrared filter strip is provided with an embedding groove for embedding the inner ring edge, and the inner end of the rear cover is connected to the inner ring edge through the infrared filter strip.

[0009] Alternatively, the inner ring edge is configured as the infrared filter strip, and the inner end of the rear cover is fixedly connected with the infrared filter strip.

[0010] In an embodiment, the front shell is an integral molding part.

[0011] And / or, the width of the panel is less than or equal to 15 mm.

[0012] And / or, the width of the circuit board is less than or equal to 12 mm;

[0013] And / or, at least one of the outer ring side and the infrared filter strip is provided with a limiting boss for restraining the movement trend of the circuit board towards the panel.

[0014] In an embodiment, the mask frame further comprises a convex and a cover, the convex is connected to the front shell laterally, the cover is connected with the convex to form a receiving cavity for accommodating a communication interface and part of the circuit board, the communication interface is electrically connected to the circuit board, and the cover is provided with a through hole for exposing the communication interface.

[0015] In an embodiment, the communication interface is configured as a type-c interface.

[0016] And / or, the cross-sectional shape of the convex is one of trapezoidal, rectangular, and semicircular.

[0017] And / or, the convex and the front shell are integrally formed.

[0018] In an embodiment, the mask frame comprises an upper edge frame, a lower edge frame, and two side edge frames connecting the upper edge frame and the lower edge frame, and the infrared touch assembly is arranged in the upper edge frame, the lower edge frame, and the two side edge frames.

[0019] The upper edge frame has a first avoiding hole for exposing the camera on the frame edge.

[0020] In an embodiment, the first avoiding hole is gradually expanded in a direction away from the camera.

[0021] In an embodiment, the front shell is recessed towards the camera to form a view angle expansion groove, and the groove bottom of the view angle expansion groove is provided with the first avoiding hole.

[0022] In an embodiment, the view angle expansion groove has oppositely arranged upper and lower side walls, and the distance between the upper and lower side walls gradually increases in a direction away from the camera.

[0023] And / or, the surface of the groove bottom of the view angle expansion groove facing the frame edge is flush with the surface of the back cover facing the frame edge.

[0024] And / or, the back cover and the circuit board are both provided with an avoiding notch for avoiding the view angle expansion groove.

[0025] In the technical solution of this utility model, an infrared touch component is provided inside the mask frame, and the mask frame can be supported on the frame edge. Therefore, the touch and writing device with the infrared touch component can be stably placed on the non-touch display device, so that the non-touch display device becomes a touch display device and has touch function, ensuring the interactive touch effect of the display device.

[0026] Specifically, the infrared touch component includes a circuit board, an infrared filter strip, and multiple infrared probes. The infrared filter strip is located on the inner ring side of the front cover, and the inner ring side of the front cover is light-transmitting. The infrared probes are positioned facing the infrared filter strip, and the light emitted by the infrared probes towards the display area is filtered by the infrared filter strip to become infrared light, ensuring the touch and writing device's touch function. The infrared probes and the back cover are located on opposite sides of the circuit board, which not only makes reasonable use of the mounting cavity to hide and protect the infrared touch component, but also enables a compact design of the faceplate frame and the infrared touch component, thereby reducing the overall size of the touch and writing device to a certain extent and achieving a thinner and lighter design for the touch and writing device. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0028] Figure 1 A schematic diagram of the structure of an embodiment of the touch and writing device for Apple computers provided by this utility model;

[0029] Figure 2 for Figure 1 An exploded diagram of a touch and writing device;

[0030] Figure 3 for Figure 1 A magnified view of a section at point A in the middle;

[0031] Figure 4 for Figure 3 Exploded view of the front shell and circuit board;

[0032] Figure 5 for Figure 3 Schematic diagram of the structure of the front shell;

[0033] Figure 6 for Figure 1 A schematic diagram of the front shell at point B;

[0034] Figure 7 for Figure 1Structure diagram of middle cover;

[0035] Figure 8 For Figure 1 Front view of touch and writing device;

[0036] Figure 9 For Figure 8 Sectional view of touch and writing device cut by C-C section line;

[0037] Figure 10 For Figure 8 Local enlarged view at D.

[0038] Brief description of drawings:

[0039] 10, mask frame; 11, front shell; 111, outer ring edge; 112, inner ring edge; 113, faceplate; 12, rear cover; 13, mounting cavity; 141, upper frame; 142, lower frame; 143, side frame; 15, convex bump; 16, cover; 161, through hole; 162, buckle part; 171, first avoiding hole; 172, second avoiding hole; 173, angle expansion groove; 18, positioning column; 19, indicating hole;

[0040] 21, circuit board; 211, avoiding notch; 22, infrared filter strip; 221, embedding groove; 222, limiting boss; 24, opening and closing indicating lamp; 25, fixing plate; 251, positioning hole;

[0041] 31, limiting convex edge; 32, limiting convex part;

[0042] 40, communication interface.

[0043] The realization, functional features and advantages of the utility model will be further described with reference to the drawings in combination with embodiments. Specific implementation

[0044] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0045] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture, and if the specific posture changes, the directional indications also change accordingly.

[0046] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one feature. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary technical personnel in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0047] In order to meet the touch demand of consumers for non-touch display device, the touch and writing device for providing touch function appears on the market to change the non-touch display device into touchable display device, however, the existing touch and writing device usually has touch screen, and many parts, which is not conducive to the thin design of touch and writing device.

[0048] In order to solve the technical problem, the utility model provides a touch and writing device of apple computer.

[0049] Please refer to Figures 1 to 10 In an embodiment of the utility model, the touch and writing device of apple computer includes mask frame 10 and infrared touch component, the mask frame 10 is set to the frame edge at the display area edge of apple computer, the mask frame 10 includes front shell 11 and back cover 12, the front shell 11 is connected with the back cover 12 and forms installation cavity 13, the inner ring side of front shell 11 can be light-transmitting, the infrared touch component is installed in the installation cavity 13, the infrared touch component includes circuit board 21, infrared filter strip 22 and multiple infrared probes, one side of circuit board 21 is attached with back cover 12, and the other side is electrically connected with infrared probe, infrared filter strip 22 is arranged on the inner ring side of front shell 11, and infrared probe is arranged towards infrared filter strip 22 to transmit infrared light towards the display area. Further, by installing the touch and writing device on the display device such as apple computer, the non-touch display device can be changed into touchable display device, and the interactive touch effect is realized.

[0050] In the technical scheme of the utility model, the infrared touch component is arranged in the mask frame 10, and the mask frame 10 can be supported on the frame edge, and further, the touch and writing device with infrared touch component can be stably arranged on the non-touch display device, so that the non-touch display device becomes touchable display device, and has touch function, and the interactive touch effect of display device is ensured.

[0051] Specifically, the infrared touch component includes a circuit board 21, an infrared filter strip 22 and a plurality of infrared probes, wherein the infrared filter strip 22 is arranged on the inner ring side of the front shell 11, and the inner ring side of the front shell 11 is configured to be transparent to light, the infrared probes are arranged towards the infrared filter strip 22, and the light emitted by the infrared probes towards the display area is filtered by the infrared filter strip 22 to become infrared light, thereby ensuring the touch purpose of the touch and writing device; the infrared probes and the rear cover 12 are arranged on opposite sides of the circuit board 21, which not only reasonably utilizes the mounting cavity 13 to hide and protect the infrared touch component, but also realizes the compact design of the mask frame 10 and the infrared touch component, thereby reducing the overall volume of the touch and writing device to a certain extent, and realizing the lightweight design of the touch and writing device.

[0052] It should be noted that the touch and writing device can be applied to a non-touch display device, which can be configured as a display device without touch function such as an Apple computer, when the display device is configured as an Apple computer, the display screen of the Apple computer is a hard screen with a relatively flat display surface, which helps to reduce the interference of the infrared light emitted by the infrared touch component, thereby ensuring the touch effect. Of course, other display devices that do not affect the touch effect are also applicable to the touch and writing device in the utility model.

[0053] Taking the case that the touch and writing device is arranged on the Apple computer, the Apple computer has a display screen and a frame edge arranged at the edge of the display screen, under the action of the limiting structure, the mask frame 10 is arranged corresponding to the frame edge, and under the action of the adsorption structure, the mask frame 10 is relatively fixed with the frame edge, then the touch and writing device is electrically connected with the Apple computer through the communication interface 40 and is connected to the Apple computer, at this time, the infrared touch component works and emits infrared light net towards the display area on the display screen to form a touch area, when a finger or other opaque object enters the touch area, some infrared light in the touch area is blocked to obtain a corresponding touch point, then, since the touch and writing device is electrically connected with the Apple computer, the relevant touch point information is analyzed and processed by the corresponding software of the Apple computer, so that the Apple computer makes corresponding operation response to the corresponding touch point, thereby achieving the purpose of directly controlling the Apple computer with a finger or other opaque object, and realizing the precise interactive touch effect. The adsorption structure can be at least configured as any one of a magnet, a suction cup and a flexible adhesive, so as to realize the quick disassembly and assembly of the touch and writing device and improve the use convenience of the touch and writing device. On the basis of ensuring the connection effect of the touch and writing device, the adsorption structure can be embedded in the rear cover 12 to reduce the thickness of the mask frame 10; the limiting structure can be a protruding rib formed on the front shell 11 and protruding from the side of the rear cover 12 away from the mounting cavity 13, and the protruding rib can be, for example, Figure 1The limiting convex edge 31 and the limiting convex part 32 are shown so as to adjust the position of the mask frame 10, and to realize the alignment of the connection position of the touch and writing device and the frame edge.

[0054] Specifically, the connection mode of the front shell 11 and the rear cover 12 includes but is not limited to adhesion, inlaying cooperation, so as to form a closed mounting cavity 13, and the infrared touch assembly is arranged in the mounting cavity 13, which can reasonably utilize the mounting cavity 13 to hide and protect the infrared touch assembly, and can also guarantee that the infrared light emitted by the infrared touch assembly transmits through the front shell 11, so as to realize the touch purpose; and one side of the circuit board 21 is arranged in abutment with the rear cover 12, and the connection mode of the two includes but is not limited to adhesion, inlaying cooperation, which is helpful to reduce the occupied space of the circuit board 21 and the rear cover 12 as a whole, and can also improve the structural strength of the rear cover 12 and the circuit board 21. Further, the circuit board 21 can be fixedly connected with the front shell 11 in a connection mode such as screw connection or buckle connection, so as to improve the assembly stability of the circuit board 21 in the mounting cavity 13.

[0055] Optionally, in the embodiment of the utility model, the front shell 11 is an integral forming piece, compared with the auxiliary adoption of the corner connecting piece to constitute the mask frame 10, the front shell 11 is made by adopting the integral forming technology, which is helpful to reduce the number of parts and assembly steps, reduce the cost, at the same time, improve the overall stability of the front shell 11, and also can make the surface of the front shell 11 more smooth to a certain extent, reduce the joint and defect, improve the appearance of the front shell 11. The rear cover 12 can also be an integral forming piece, so as to improve the assembly efficiency of the mask frame 10. In addition, the rear cover 12 is used to abut with the frame edge, so that the effective contact area of the touch and writing device and the display device can be increased, and the assembly stability of the touch and writing device on the display device can be improved.

[0056] Optionally, in the embodiment of the utility model, the front shell 11 includes a panel 113, an outer ring edge 111 and an inner ring edge 112, the outer ring edge 111 is arranged at the outer side of the inner ring edge 112 in a spaced manner and is connected with the inner ring edge 112 on the same side of the panel 113, and the circuit board 21 is limited between the inner ring edge 112 and the outer ring edge 111. Further, the front shell 11 is in a U shape and is used to hide the infrared touch assembly, and the inner and outer ends of the rear cover 12 are connected with the inner ring edge 112 and the outer ring edge 111 respectively, so as to realize encapsulation. The circuit board 21 is limitedly connected with the inner ring edge 112 and the outer ring edge 111, so as to define a mounting space between the circuit board 21 and the panel 113 for mounting the infrared probe, and to ensure the normal work of the infrared probe. The limiting convex edge 31 and the limiting convex part 32 can also be connected with the outer ring edge 111, so as to effectively constrain the movement of the mask frame 10 in the up-down and left-right directions on the frame edge, facilitate the position adjustment of the mask frame 10, and realize the alignment of the connection position of the touch device and the frame edge.

[0057] Please refer toFigure 9 In the embodiment of the utility model, the infrared filter strip 22 is provided with an embedding groove 221 for embedding the inner ring edge 112, and the inner end of the rear cover 12 is connected with the inner ring edge 112 through the infrared filter strip 22, at this time, the infrared filter strip 22 and the inner ring edge 112 are mutually spliced, and the mutual fixation of the infrared filter strip 22 and the inner ring edge 112 can be realized through bonding, integral molding and the like, thereby reliably guaranteeing that the light transmitted by the mask frame 10 is infrared light.

[0058] Optionally, in the embodiment of the utility model, the inner ring edge 112 is configured as the infrared filter strip 22, and the inner end of the rear cover 12 is fixedly connected with the infrared filter strip 22, and since the front shell 11 is an integral molding piece, the front shell 11 can be integrally molded by using a light filtering material, thereby reliably guaranteeing that the light transmitted by the mask frame 10 is infrared light.

[0059] On the basis of the above structure, the outer ring surface of the outer end of the rear cover 12 is fixed with the inner ring surface of the outer ring edge 111, which helps to hide the connection between the outer end of the rear cover 12 and the front shell 11 and improve the appearance of the mask frame 10, and the inner end of the rear cover 12 is arranged on the end of the infrared filter strip 22 away from the panel 113, at this time, the rear cover 12 can completely cover the infrared filter strip 22, or the end of the infrared filter strip 22 away from the panel 113 is formed with a clamping groove for embedding the inner end of the rear cover 12, which helps to hide the connection between the inner end of the rear cover 12 and the front shell 11 and improve the appearance of the mask frame 10.

[0060] Optionally, in the embodiment of the utility model, at least one of the outer ring edge 111 and the infrared filter strip 22 is provided with a limiting boss 222, and the limiting boss 222 is used for restricting the movement trend of the circuit board 21 towards the panel 113, in this way, when the circuit board 21 moves towards the panel 113, the limiting boss 222 is used to increase the effective contact area of the circuit board 21 and the front shell 11 and ensure the formation of the mounting space for accommodating the infrared probe and reduce the possibility of damaging the infrared probe due to the small mounting space.

[0061] Optionally, in the embodiment of the utility model, the width of the panel 113 is less than or equal to 15 mm; the width of the mask frame 10 can be effectively ensured to be small enough to reduce the possibility of the mask frame 10 shielding the display area; and / or the width of the circuit board 21 is less than or equal to 12 mm; the mask frame 10 can be conveniently adapted, and meanwhile, the outer ring edge 111 and the inner ring edge 112 have a certain thickness to ensure that the overall structure of the mask frame 10 is stable enough to reduce the possibility of deformation of the mask frame 10.

[0062] The width of the panel 113 specifically includes, but is not limited to, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, and 15 mm.

[0063] Please refer to Figures 3 to 5 In the embodiment of the present application, the mask frame 10 further comprises a convex 15 and a cover 16, the convex 15 is connected to the front shell 11, the cover 16 is connected to the convex 15, forming a receiving cavity for accommodating the communication interface 40 and part of the circuit board 21, the communication interface 40 is connected to the circuit board 21, the cover 16 is provided with a through hole 161 for exposing the communication interface 40, in this way, the communication interface 40 and the through hole 161 can be hidden behind the convex 15, that is, the data line connected to the communication interface 40 can be hidden behind the mask frame 10, improving the observability of the touch and writing device during use, at the same time, the touch and writing device can be conveniently connected to the display device through the communication interface 40, ensuring the interaction effect between the touch and writing device and the display device.

[0064] Specifically, the convex 15 is connected to the outer ring edge 111 of the front shell 11, and the connection mode includes, but is not limited to, integral molding, splicing, and bonding. When the convex 15 and the front shell 11 are integral molding, the front shell 11 and the convex 15 are made by integral molding technology, which helps to reduce the number of parts and assembly steps, reduce costs, improve the overall stability of the mask frame 10, and also make the surface of the mask frame 10 smoother to some extent, reduce the joint and defects, and improve the appearance of the mask frame 10. The rear cover 12 and the cover 16 can also be integral molding, thereby improving the assembly efficiency of the mask frame 10.

[0065] The convex 15 can protrude from the side of the rear cover 12 away from the mounting cavity 13 to increase the space of the receiving cavity and ensure that the communication interface 40 is reliably accommodated in the receiving cavity, and can also act as a limiting convex portion 32 to assist in limiting. The cross-sectional shape of the convex 15 is one of trapezoidal, rectangular, and semicircular. The cover 16 is provided with a plurality of buckle portions 162, which can be used for buckle connection with the circuit board 21 and the convex 15, thereby effectively improving the connection stability of the convex 15 and the cover 16. The through hole 161 in the cover 16 facilitates the passage of the data line and the connection of the communication interface 40, and realizes the electrical connection between the touch and writing device and the display device.

[0066] In addition, the communication interface 40 is configured as a type-c interface, has the characteristics of small size and thinness, is convenient for adapting to the thin design of the touch and writing device, and improves the portability of the touch and writing device; of course, the communication interface 40 can also be configured as a Type-A interface, a Lightning interface and the like.

[0067] Optionally, in the embodiment of the utility model, the touch and writing device further comprises an indication module electrically connected with the circuit board 21, the indication module is used for indicating the on-off state of the touch and writing device, as shown in the figure, Figures 4 to 5 The convex hull 15 is provided with an indication hole 9 for exposing the on-off indication lamp 24, the front shell 11 is provided with a positioning column 18, and the fixed plate 25 is provided with a positioning hole 251 corresponding to the positioning column 18, wherein the fixed plate 25 can only play a fixing role, that is, through the plug-in cooperation of the positioning column 18 and the positioning hole 251, the on-off indication lamp 24 is fixed in the mask frame 10 and exposed in the indication hole 9, and then, since the on-off indication lamp 24 is also electrically connected with the circuit board 21, after the touch and writing device is connected to the display device through the communication interface 40, the user is reminded that the touch and writing device is in the working state through the light.

[0068] Please refer to Figure 1 In the embodiment of the utility model, the mask frame 10 comprises an upper edge frame 141, a lower edge frame 142 and two side edge frames 143 connecting the upper edge frame 141 and the lower edge frame 142, and the infrared touch assembly is arranged in the upper edge frame 141, the lower edge frame 142 and the two side edge frames 143; the upper edge frame 141 has a first avoiding hole 171 for exposing the camera on the frame edge, and it can be understood that the upper edge frame 141 corresponds to the upper frame edge of the display device, the lower edge frame 142 corresponds to the lower frame edge of the display device, and the two side edge frames 143 correspond to the two side frame edges of the display device respectively and are respectively provided with the infrared touch assembly, since the infrared touch assembly comprises a plurality of infrared probes, each infrared probe is distributed along the periphery of the display area, when each infrared probe is powered on, the infrared rays emitted by each infrared probe interweave the infrared light net on the display area of the display screen, and a touch area is formed, so that the finger or other opaque objects entering any position of the touch area can directly control the display device, and the precise interactive touch effect and writing effect are realized.

[0069] The upper frame 141 has a first avoiding hole 171 for exposing the camera on the frame edge, that is, when the mask frame 10 is assembled in place, the camera is exposed in the first avoiding hole 171, which can reliably avoid the case that the mask frame 10 blocks the camera, and ensures the normal use of the camera. Wherein, since the camera is located at the central position of the frame edge, the first avoiding hole 171 is arranged at the central position of the upper frame 141, that is, the position of the first avoiding hole 171 can change with the change of the position of the camera, and in order to prompt the user that the camera is in working state, the upper frame 141 also has a second avoiding hole 172 for exposing the state indicating lamp of the camera, and the second avoiding hole 172 is arranged in a spaced manner with the first avoiding hole 171.

[0070] Optionally, in the embodiment of the utility model, the first avoiding hole 171 is arranged in a gradually expanding manner away from the camera, compared with the straight cylinder type through hole 161, the light can enter the camera uniformly at a better incident angle, the refraction and reflection of light at the edge of the first avoiding hole 171 are reduced, the light quantity is increased, the halo and glare phenomenon are reduced, and the imaging quality is improved.

[0071] Optionally, in the embodiment of the utility model, the front shell 11 is recessed towards the camera to form a view angle expansion groove 173, and the groove bottom of the view angle expansion groove 173 is provided with the first avoiding hole 171, at this time, the groove opening of the view angle expansion groove 173 is greater than the diameter of the first avoiding hole 171, which can not only thin the thickness of the first avoiding hole 171, but also make the light enter the camera uniformly at a better incident angle, reduce the refraction and reflection of light at the edge of the first avoiding hole 171 and the groove opening of the view angle expansion groove 173, increase the light quantity, reduce the halo and glare phenomenon, and improve the imaging quality.

[0072] Specifically, in the embodiment of the utility model, the view angle expansion groove 173 has oppositely arranged upper and lower side walls, and the distance between the upper and lower side walls gradually increases away from the camera. It can be understood that the lower side wall is located below the upper side wall and is arranged close to the lower frame 142, and in the direction away from the camera, the distance between the upper and lower side walls gradually increases by the lower side wall gradually approaching the lower frame 142 and / or the upper side wall gradually moving away from the lower side wall, so that the incident angle of the light can be better controlled, the distortion caused by the propagation of the light in the view angle expansion groove 173 is reduced, and the imaging accuracy and reliability are improved. On this basis, the first avoiding hole 171 can also be arranged in a gradually expanding manner away from the camera.

[0073] Optionally, in the embodiment of the present application, the surface of the groove bottom of the visual angle expansion groove 173 facing the frame edge is flush with the surface of the rear cover 12 facing the frame edge, at this time, the first avoiding hole 171 is only formed on the front shell 11, the surface of the groove bottom of the visual angle expansion groove 173 facing the frame edge can directly abut against the frame edge, and then the camera is close to and exposed in the first avoiding hole 171; the rear cover 12 and the circuit board 21 are both provided with an avoiding gap 211, the avoiding gap 211 is used for avoiding the visual angle expansion groove 173, so as to reduce the risk of interference between the rear cover 12, the circuit board 21 and the front shell 11. In other embodiments, the first avoiding hole 171 can directly penetrate the front shell 11, the circuit board 21 and the rear cover 12.

[0074] The above is only an exemplary embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation made by using the content of the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection scope of the present application.

Claims

1. An Apple computer touch and write device, characterized by, The application relates to a mask frame, which comprises a front shell and a rear cover, and the front shell and the rear cover are connected to form a mounting cavity, and the inner ring side of the front shell is provided with a light-transmitting structure. The mask frame further comprises an infrared touch component, which is installed in the mounting cavity and comprises a circuit board, an infrared filter strip and a plurality of infrared probes. The circuit board is attached to one side of the rear cover and is electrically connected to the other side of the infrared probes. 2.The touch and writing apparatus of claim 1, wherein, The infrared filter strip is arranged on the inner ring side of the front shell, and the infrared probes are arranged towards the infrared filter strip to transmit infrared light towards the display area. 3.The touch and writing apparatus of claim 2, wherein, The front shell comprises a panel, an outer ring side and an inner ring side. The outer ring side is arranged on the outer side of the inner ring side and is connected to the same side of the panel. 4.The touch and writing apparatus of claim 2, wherein, The circuit board is limited between the inner ring side and the outer ring side. The infrared filter strip is provided with an embedding groove for the inner ring side. The inner end of the rear cover is connected to the inner ring side through the infrared filter strip. Alternatively, the inner ring side is configured as the infrared filter strip, and the inner end of the rear cover is fixedly connected to the infrared filter strip. 5.The touch and writing apparatus of claim 1, wherein, The front shell is an integral molding part. 6.The touch and writing apparatus of claim 5, wherein, The width of the panel is less than or equal to 15 mm. The width of the circuit board is less than or equal to 12 mm. At least one of the outer ring side and the infrared filter strip is provided with a limiting boss for restricting the movement trend of the circuit board towards the panel.

7. The touch and write apparatus according to any one of claims 1 to 6, wherein The mask frame further comprises a convex block and a cover. The convex block is laterally connected to the front shell, and the cover is connected to the convex block to form a receiving cavity for accommodating a communication interface and part of the circuit board. 8.The touch and writing apparatus of claim 7, wherein, The communication interface is electrically connected to the circuit board, and the cover is provided with a through hole for exposing the communication interface. 9.The touch and writing apparatus of claim 7, wherein, The communication interface is configured as a type-c interface. 10.The touch and writing apparatus of claim 9, wherein, The cross-sectional shape of the convex block is one of trapezoidal, rectangular and semicircular. The convex block and the front shell are an integral molding part. The mask frame comprises an upper frame, a lower frame and two side frames connecting the upper frame and the lower frame. The upper frame has a first avoiding hole for exposing a camera on the frame edge. The first avoiding hole is gradually expanded in a direction away from the camera. The front shell is recessed towards the camera to form a view angle expansion groove, and the first avoiding hole is arranged on the groove bottom of the view angle expansion groove. The view angle expansion groove has oppositely arranged upper and lower side walls, and the distance between the upper and lower side walls gradually increases in a direction away from the camera. The surface of the groove bottom of the view angle expansion groove is flush with the surface of the rear cover facing the frame edge. The rear cover and the circuit board are both provided with avoiding notches for avoiding the view angle expansion groove.

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