Portable ultrasonic apparatus and ultrasonic apparatus

Abstract

A portable ultrasonic device and an ultrasonic device, comprising a portable main body and a portable display connected to the portable main body, the portable main body comprising a portable control panel, the portable control panel comprising a key layer, a conductive layer, a backlight layer and a bottom cover layer distributed in layers. Since the backlight layer is used to illuminate the keys, the backlight layer comprises a light source and a backlight plate, the light source is located at the side of the backlight plate, and the backlight plate is provided with a backlight part, the light emitted by the light source is incident into the backlight plate from the side of the backlight plate, and the light is emitted from the front of the backlight plate after being scattered by the backlight part. Wherein, the light emitted by the light source can be deflected to different keys through multiple backlight parts to illuminate the light-transmitting characters of multiple keys, that is, a small number of light sources can be used to illuminate the light-transmitting characters of multiple keys, greatly reducing the number of light sources, reducing the complexity of the backlight scheme of the control panel, and reducing the cost.

Description

Technical Field

[0001] This utility model relates to the field of medical testing technology, specifically to a portable ultrasound device and an ultrasound device. Background Technology

[0002] Ultrasound diagnostic instruments and other ultrasound equipment are frequently used in darkroom settings, so backlit buttons are needed to help doctors identify the button characters.

[0003] Currently, the backlighting method of the control panel of ultrasound diagnostic instruments is usually as follows: each button has an independent backlight, and each button is equipped with an LED light source. The LED light source is soldered on the PCBA and uses a positive light emission mode to illuminate the characters. However, ultrasound diagnostic instruments have a large number of buttons, which corresponds to a large number of LED light sources. Therefore, the PCBA needs to match a large number of LED control chips and other components, resulting in a complex structure and high cost of the backlighting solution of the control panel. Utility Model Content

[0004] This invention provides a portable ultrasonic device and ultrasonic equipment to solve the problems of complex structure and high cost of backlight solutions for control panels.

[0005] In one embodiment, a portable ultrasound device is provided, including a portable body and a portable display connected to the portable body. The portable body includes a portable control panel, which includes a button layer, a conductive layer, a backlight layer, and a bottom cover layer that are stacked together.

[0006] The button layer includes at least one button with a light-transmitting character;

[0007] The conductive layer is used to generate corresponding key signals when triggered by the key.

[0008] The backlight layer includes a light source and a backlight panel. The backlight panel includes a front side facing the conductive layer, a back side facing away from the conductive layer, and a side side located between the front and back sides. The light source is disposed on at least one of the side sides facing the backlight panel. The backlight panel has a backlight portion. Light emitted by the light source enters the backlight panel from the side side. The backlight portion is used to deflect the light entering the backlight panel so that it exits from the front side to illuminate the translucent characters on the key.

[0009] In one embodiment, at least one of the backlight units forms a backlight family, each backlight family corresponds to one button, and the light deflected by each of the backlight units in each backlight family is used to jointly illuminate the translucent characters on the corresponding button.

[0010] In one embodiment, the number of backlight elements included in the backlight family is proportional to the distance of each backlight family from the center of the light source.

[0011] In one embodiment, the backlight portion has a concave and / or convex structure.

[0012] In one embodiment, a plurality of light sources are distributed along a straight line to form a light-emitting strip, and a light-emitting strip is provided on each of the two opposite sides of the backlight panel.

[0013] In one embodiment, the backlight panel is a rectangular panel, and the side surface of the backlight panel includes two first side surfaces parallel to the length direction and two second side surfaces parallel to the width direction; each of the two first side surfaces is provided with a light-emitting strip.

[0014] In one embodiment, the backlight layer further includes an upper light-shielding film and a lower light-shielding film, the upper light-shielding film covering the front side of the backlight layer and the lower light-shielding film covering the back side of the backlight layer; the upper light-shielding film has multiple light-transmitting areas, each button corresponding to one light-transmitting area, and the light emitted from the backlight layer passes through the light-transmitting areas to illuminate the light-transmitting characters on the button.

[0015] In one embodiment, the button, the light-transmitting area, and the backlight portion are aligned along a straight line in the stacking direction of the button layer, the conductive layer, the backlight layer, and the bottom cover layer.

[0016] In one embodiment, the portable control panel further includes a first adhesive layer and a second adhesive layer. The first adhesive layer is disposed between the button layer and the conductive layer to bond the button layer and the conductive layer. The second adhesive layer is disposed between the conductive layer and the backlight layer to bond the conductive layer and the backlight layer.

[0017] In one embodiment, an ultrasound device is provided, including a portable control panel, the portable control panel including a button layer, a conductive layer, a backlight layer and a bottom cover layer stacked together;

[0018] The button layer includes at least one button with a light-transmitting character;

[0019] The conductive layer is used to generate corresponding key signals when triggered by the key.

[0020] The backlight layer includes a light source and a backlight panel. The backlight panel includes a front side facing the conductive layer, a back side facing away from the conductive layer, and a side side located between the front and back sides. The light source is disposed on at least one of the side sides of the backlight panel, and a backlight portion is provided inside the backlight panel. Light emitted by the light source enters the backlight panel from the side side, and the backlight portion is used to deflect the light entering the backlight panel so that it exits from the front side to illuminate the translucent characters on the key.

[0021] The portable ultrasonic device and ultrasonic apparatus according to the above embodiments utilize a backlight layer to illuminate the buttons. The backlight layer includes a light source and a backlight panel. The light source is located on the side of the backlight panel, and a backlight section is provided within the backlight panel. Light emitted by the light source enters the backlight panel from the side and exits from the front of the backlight panel after being deflected by the backlight section. The light emitted by the light source can be deflected by multiple backlight sections to different buttons, illuminating the translucent characters of multiple buttons. This means that a small number of light sources can illuminate the translucent characters of multiple buttons, greatly reducing the number of light sources, lowering the complexity of the backlight scheme for the control panel, and reducing costs. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of a portable ultrasound device in one embodiment;

[0023] Figure 2 This is a schematic diagram of the structure of a benchtop ultrasonic device in one embodiment;

[0024] Figure 3 This is an exploded view of the portable control panel of a portable ultrasound device in one embodiment.

[0025] Figure 4 This is a schematic diagram of the exploded structure of the backlight layer in one embodiment;

[0026] Figure 5 This is a partial cross-sectional view of a portable control panel in one embodiment;

[0027] Figure 6 This is a schematic diagram of the backlight layer structure in one embodiment;

[0028] Figure 7 This is a schematic diagram of the backlight layer structure in one embodiment;

[0029] Figure 8 This is a schematic diagram of the backlight layer structure in one embodiment;

[0030] Figure 9 This is a schematic diagram of the backlight layer structure in one embodiment;

[0031] The accompanying diagrams are labeled as follows:

[0032] 100 - Portable ultrasound device; 110 - Portable main body; 120 - Portable display; 10 - Portable control panel;

[0033] 200 - Desktop ultrasound equipment, 210 - Desktop main unit, 220 - Desktop control panel, 230 - Desktop monitor;

[0034] 1-Button layer, 11-Button, 12-Button panel;

[0035] 2-Conductive layer;

[0036] 3-Backlight layer, 31-Light source, 32-Backlight panel, 321-Backlight part, 32a-Front side, 32b-Back side, 32c-Side side, 33-Upper light-shielding film, 331-Light-transmitting area, 34-Lower light-shielding film;

[0037] 4-Bottom cover, 41-Groove, 42-Handle;

[0038] 5-First adhesive layer;

[0039] 6-Second adhesive layer;

[0040] A - Backlight group, B - Light strip. Detailed Implementation

[0041] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. Similar elements in different embodiments are referred to by related similar element reference numerals. In the following embodiments, many details are described to facilitate a better understanding of the present application. However, those skilled in the art will readily recognize that some features may be omitted in different situations, or may be replaced by other elements, materials, or methods. In some cases, certain operations related to the present application are not shown or described in the specification. This is to avoid obscuring the core parts of the present application with excessive description. For those skilled in the art, detailed description of these related operations is not necessary; they can fully understand the related operations based on the description in the specification and general technical knowledge in the art.

[0042] Furthermore, the features, operations, or characteristics described in the specification can be combined in any suitable manner to form various embodiments. At the same time, the steps or actions in the method description can be rearranged or adjusted in a manner obvious to those skilled in the art. Therefore, the various orders in the specification and drawings are only for the clear description of a particular embodiment and do not imply a necessary order, unless otherwise stated that a particular order must be followed.

[0043] The component numbers used in this document, such as "first" and "second," are merely for distinguishing the described objects and have no sequential or technical meaning. Unless otherwise specified, the terms "connection" and "linkage" in this application include both direct and indirect connections (linkages). The up-down, front-back, and left-right directions in this document refer to directions in use, with "front" referring to the direction towards the user and "bottom" referring to the direction towards the ground or tabletop.

[0044] In one embodiment, an ultrasonic device is provided, which can be a portable ultrasonic device or a desktop ultrasonic device.

[0045] like Figure 1 As shown, the portable ultrasound device 100 resembles a laptop computer in structure. Its relatively small size makes it easy to carry to different locations for ultrasound scanning and imaging. The portable ultrasound device 100 includes a portable main body 110 and a portable display 120 integrated into one unit. The portable main body 110 houses a portable control panel 10, and the portable display 120 is rotatably connected to the portable main body 110. The portable display 120 can be opened and closed relative to the portable main body 110. When the portable display 120 is open, the portable control panel 10 is exposed; when the portable display 120 is closed, it covers or obscures the portable control panel 10. A probe interface is located on the side of the portable main body 110. During ultrasound scanning and imaging, the probe interface of the portable main body 110 is connected to the connection terminal of the ultrasound probe. The data information generated by the ultrasound probe scanning the human body is transmitted to the portable main body 110. The portable main body 110 processes and calculates the data information to obtain an ultrasound image, which is then displayed on the portable display 120.

[0046] like Figure 2 As shown, the desktop ultrasound device 200 is a desktop ultrasound scanning device, which is relatively large and suitable for placement in a fixed environment for ultrasound scanning imaging. Of course, the lower end of the desktop ultrasound device 200 can also be equipped with a roller structure, allowing the device to be moved to different environments for ultrasound scanning imaging. The desktop ultrasound device 200 mainly includes a desktop main unit 210, a desktop control panel 220, and a desktop monitor 230. The desktop main unit 210 is located at the bottom, the desktop control panel 220 is mounted on top of the main unit 210, and the desktop monitor 230 is positioned above the control panel 220. The monitor 230 can be mounted on either the control panel 220 or the main unit 210. The desktop host 210 is equipped with a probe interface. During ultrasound scanning and imaging, the probe interface of the desktop host 210 is connected to the connection terminal of the ultrasound probe. The data information generated by the ultrasound probe scanning the human body is transmitted to the desktop host 210. The desktop host 210 processes and calculates the data information to obtain ultrasound images, which are then displayed on the desktop monitor 230. Of course, in the desktop ultrasound device 200, the desktop host 210 may also be equipped with a probe interface for connecting an ultrasound probe.

[0047] The portable control panel 10 of the portable ultrasound device 100 and the desktop control panel 220 of the desktop ultrasound device 200 have the same button backlighting structure. Both the portable control panel 10 and the desktop control panel 220 use a backlight layer to illuminate the buttons. The backlight layer includes a light source and a backlight panel. The light source is located on the side of the backlight panel, and a backlight section is provided within the backlight panel. Light emitted by the light source enters the backlight panel from the side and exits from the front of the backlight panel after being scattered by the backlight section. The light emitted by the light source can be deflected by multiple backlight sections to different buttons, thus illuminating the backlight of multiple buttons. This means that multiple buttons can be backlit using a small number of light sources, greatly reducing the number of light sources, lowering the complexity of the backlighting scheme of the control panel, and reducing costs.

[0048] In other embodiments, this ultrasound device can also be other devices, such as a portable ultrasound device with a flat panel-like structure, including a portable main body and a portable display. The portable main body may not include processor functionality; it may only include a portable control panel. This portable ultrasound device is primarily used to display ultrasound images.

[0049] The following description uses a portable ultrasound device 100 as an example.

[0050] Please refer to Figures 3 to 5 In one embodiment, the portable control panel 10 of the portable ultrasound device 100 mainly includes a stacked button layer 1, a conductive layer 2, a backlight layer 3, and a bottom cover layer 4. The portable ultrasound device 100 also includes components such as a processor and a battery, which are installed inside the portable main body 110.

[0051] The button layer 1, conductive layer 2, backlight layer 3, and bottom cover layer 4 are stacked sequentially from top to bottom, with most of the structure of the bottom cover layer 4 located at the bottom. Parts of the bottom cover layer 4 may be flush with or higher than the button layer 1. The bottom cover layer 4 is the main structure of the portable control panel 10. The bottom cover layer 4 can be integrally formed from a single component or assembled from multiple components. The bottom cover layer 4 has an upward-facing groove 41. The button layer 1 is installed on the upper end of the bottom cover layer 4 and covers the groove 41. The button layer 1 can be fixed to the bottom cover layer 4 by adhesive, snap-fit, or other methods. The button layer 1 and the bottom cover layer 4 enclose the groove 41 to form a receiving cavity. Components such as the conductive layer 2 and backlight layer 3 are installed within the receiving cavity formed by the button layer 1 and the bottom cover layer 4. The bottom cover layer 4 may also have a handle 42 located on the front side of the bottom cover layer 4, which facilitates the user's carrying of the portable ultrasonic device 100.

[0052] The button layer 1 includes a button 11 and a button plate 12. The button plate 12 can be a flat structure, or the button layer 1 can be a one-piece silicone button structure. Both the button 11 and the button plate 12 are made of silicone. The button 11 protrudes from the button plate 12 and can move up and down relative to the button plate to achieve a pressing operation. Alternatively, the button plate 12 has several button mounting holes, and several buttons 11 are respectively installed in the button mounting holes of the button plate 12. The buttons 11 can move up and down relative to the button plate 12 to achieve a pressing operation.

[0053] At least one button 11 on the portable control panel 10 has a backlit character. For example, all buttons 11 on the portable control panel 10 have backlit characters so that the buttons 11 on the portable control panel 10 can be illuminated in low-light environments, making it easier for doctors to operate the buttons 11 accurately. In other embodiments, some frequently used buttons 11 or buttons 11 that are easily pressed incorrectly on the portable control panel 10 can also be equipped with backlit characters to allow doctors to use them accurately in low-light environments.

[0054] In this embodiment, the translucent characters extend downwards within the button 11, from the bottom to the top, so that light emitted from the lower end of the button 11 can pass through the translucent characters to illuminate the outside of the button 11, thereby lighting up the button 11. The translucent characters of the button 11 can correspond to the button symbol of the button 11. For example, if the symbol corresponding to the button 11 is M or O, then the cross-section of the translucent characters can be set to M or O shape, so that the part of the button 11 that is ultimately lit up is the corresponding symbol. This structure more intuitively demonstrates the function of the lit button 11 to the user.

[0055] In other embodiments, button 11 can also be configured as a translucent structure, with opaque symbols applied to its upper surface by means of adhesive or spraying. With this structure, the user can still observe the corresponding symbols on button 11 when it is illuminated.

[0056] In this embodiment, the conductive layer 2 is located below the button layer 1. The conductive layer 2 is used to generate a corresponding button signal when triggered by the button 11. The conductive layer 2 is a conductive thin film structure, and it is provided with a button switch and button circuit corresponding to the button 11. The lower end of the button 11 is aligned with the button switch in the vertical direction. The button switch of the conductive layer 2 is a trigger switch. When the button 11 is pressed, the button 11 squeezes the button switch on the conductive layer 2 to generate a corresponding button signal. The button circuit of the conductive layer 2 is also used to transmit the button signal to the processor in the portable ultrasound host 100.

[0057] The backlight layer 3 includes a light source 31 and a backlight panel 32. The backlight panel 32 can be a square plate of a preset size. The backlight panel 32 is located below the conductive layer 2. The projections of all the buttons 11 in the button layer 1 along the vertical direction are all located on the backlight panel 32, so that one backlight panel 32 can illuminate all the buttons 11. Of course, if some buttons 11 are set as non-backlit structures, then the backlight panel 32 may not be provided directly below those buttons 11, or a light-shielding element may be provided to block the illumination from the backlight panel 32.

[0058] The backlight panel 32 has a front side 32a facing the conductive layer 2, a back side 32b facing away from the conductive layer 2, and a side side 32c located between the front side 32a and the back side 32b, wherein the front side 32a faces upward, the back side 32b faces downward, and the four side sides 32c face the front, back, left and right directions respectively.

[0059] The backlight panel 32 is made of a light-transmitting material. An upper light-shielding film 33 is provided on the front side 32a of the backlight panel 32, and a lower light-shielding film 34 is provided on the back side 32b of the backlight panel 32. The upper light-shielding film 33 and the lower light-shielding film 34 can be fixed to the front side 32a and the back side 32b of the backlight panel 32 by means of bonding, spraying, sputtering, etc. The upper light-shielding film 33 and the lower light-shielding film 34 are made of non-light-transmitting material, which can form a reflective layer on the front side 32a and the back side 32b of the backlight panel 32. The light entering the backlight panel 32 forms diffuse reflection between the front side 32a and the back side 32b.

[0060] The upper light-shielding film 33 has several light-transmitting areas 331. These light-transmitting areas 331 can be either open or transparent areas on the upper light-shielding film 33, allowing light to pass through. Each of the light-transmitting areas 331 corresponds to a number of buttons 11, with the buttons 11 located directly above the light-transmitting areas 331, so that the light emitted from the light-transmitting areas 331 can illuminate the light-transmitting characters on the buttons 11.

[0061] In other embodiments, the front side 32a and the back side 32b of the backlight panel 32 are provided with other light-shielding structures, such as light-shielding plates or light-shielding adhesives, which can prevent light entering the backlight panel 32 from escaping from other positions on the front side 32a and the back side 32b, thus preventing light leakage and increasing the light intensity illuminating the translucent characters on the button 11.

[0062] In this embodiment, the light source 31 is positioned on the side of the backlight panel 32, facing the side 32c of the backlight panel 32. The light source 31 emits light along the left-right and / or front-back directions, and the light emitted by the light source 31 enters the backlight panel 32 from the side 32c. The backlight panel 32 has several backlight sections 321, with one or more backlight sections 321 corresponding to each button 11. The button 11, the light-transmitting area 331, and the backlight sections 321 are aligned vertically. The backlight sections 321 act as diffusers, deflecting the light entering the backlight panel 32 to exit from the light-transmitting area 331 on the front 32a. The light emitted from the backlight panel 32 illuminates the button 11, thereby illuminating the translucent characters on the button 11. If the button 11 has translucent characters, the light illuminates the translucent characters on the button 11, thus illuminating them.

[0063] In this embodiment, the conductive layer 2 is also provided with a corresponding light-transmitting area. The light-transmitting area of ​​the conductive layer 2 corresponds one-to-one with the light-transmitting area 331 of the upper light-shielding film 33, so that the light passing through the light-transmitting area 331 can also pass through the conductive layer 2 and finally illuminate the light-transmitting characters on the button 11.

[0064] In other embodiments, the conductive layer 2 is made of a light-transmitting material. Except for the button circuit and the button switch, the entire conductive layer 2 is a light-transmitting structure. This structure of the conductive layer 2 can also avoid blocking light, so that the light passing through the light-transmitting area 331 can also pass through the conductive layer 2 and finally illuminate the light-transmitting characters on the button 11.

[0065] In this embodiment of the portable ultrasound device, a backlight layer 3 is used to illuminate the buttons 11. The backlight layer 3 includes a light source 31 and a backlight panel 32. The light source 31 is located on the side of the backlight panel 32, and a backlight section 321 is provided inside the backlight panel 32. The light emitted by the light source 31 enters the backlight panel 32 from the side 32c of the backlight panel 32, and after being scattered by the backlight section 321, the light exits from the front of the backlight panel 32. The light emitted by the light source 31 can be deflected by multiple backlight sections 321 to illuminate the backlight characters of different buttons 11, thereby illuminating the backlight of multiple buttons 11. That is, a small number of light sources 31 can illuminate the backlight characters of multiple buttons 11, replacing the existing scheme where each button 11 corresponds to one light source. This greatly reduces the number of light sources 31 and simplifies the circuit connection of the light sources 31, reducing the complexity of the backlight scheme of the portable control panel 10 and lowering the cost.

[0066] Please refer to Figure 6In one embodiment, the backlight portion 321 is disposed at the bottom position within the backlight panel 32, and the backlight portion 321 is close to or connected to the back surface 32b of the backlight panel 32. The backlight portion 321 can be a concave structure such as a semi-circular concave or a semi-elliptical concave, with the concave structure recessed inward from the back surface 32b of the backlight panel 32. This concave structure is equivalent to a semi-circular or semi-elliptical cutout at the bottom of the backlight panel 32. A lower light-shielding film 34 covers the backlight portion 321 of the concave structure. The curved surface of the concave structure can scatter light, thereby changing the direction of light, and ultimately the light exits from the light-transmitting area 331 directly above the concave structure.

[0067] Specifically, the light source 31 emits light from the side of the backlight panel 32. The light enters the backlight panel 32 from the side 32c. The backlight panel 32 is relatively thin. After entering the backlight panel 32, the light will reflect back and forth between the front 32a and the back 32b. The direction of the light is disordered. When the light shines on the backlight part 321, the arc surface of the backlight part 321 scatters the light, changes the direction of the light, and guides the light to be emitted directly above the backlight part 321. Finally, the light converges and is emitted from the light-transmitting area 331 directly above the backlight part 321.

[0068] Please refer to Figure 7 In one embodiment, the backlight portion 321 can also be a semi-circular protrusion, a semi-elliptical protrusion, or other protruding structures, with the protruding structure protruding outward from the back surface 32b of the backlight panel 32. The lower light-shielding film 34 covers the recessed backlight portion 321. This protruding structure is integrally formed with the backlight panel 32. This allows light entering the backlight panel 32 to be reflected back and forth between the front surface 32a and the back surface 32b before entering the protruding structure (backlight portion 321). The outer surface of the protruding structure is curved, which also deflects the light, directing it to the light-transmitting area 331 directly above the backlight portion 321 for emission. The backlight portion 321 deflects the light by refraction, scattering, and reflection, thus altering the light propagation path.

[0069] Please refer to Figure 6 and Figure 7In one embodiment, the backlight panel 32 is provided with a plurality of backlight portions 321. Some of the plurality of backlight portions 321 are clustered together to form a group, and one or more backlight portions 321 can form a backlight group A. The plurality of backlight groups A and a plurality of buttons 11 are arranged in a one-to-one correspondence. Each button 11 corresponds to one backlight group A, and each backlight group A corresponds to one button 11. The light deflected by each backlight portion 321 in each backlight group A is used to collectively illuminate the translucent characters on the corresponding button 11. The buttons 11, the translucent areas 331, and the backlight groups A are aligned in a straight line along the vertical direction. The backlight portions 321 of the backlight group A can play a scattering role, deflecting the light entering the backlight panel 32 to exit from the translucent area 331 on the front side 32a. The light emitted from the backlight panel 32 illuminates the button 11 to illuminate the translucent characters on the button 11. If the button 11 has translucent characters, the light is illuminated to the translucent characters on the button 11, thereby illuminating the translucent characters on the button 11.

[0070] In this configuration, at least one backlight element 321 is grouped together to form a backlight cluster A, which can increase the intensity of the light emitted from the backlight panel 32 to illuminate the brightness of the button 11. This allows for a brighter backlighting of the button 11 using a smaller number of light sources 31.

[0071] In one embodiment, the backlight portions 321 included in backlight family A are all of the above-described protruding structures, or the backlight portions 321 included in backlight family A are all of the above-described concave structures; or, backlight family A includes a combination of the above-described protruding structures and the above-described concave structures. Backlight family A can adopt different structural combinations according to backlight requirements.

[0072] Please refer to Figure 6 and Figure 7 In one embodiment, since light enters from the side 32c of the backlight panel 32, it first exits from the light-transmitting area 331 near the light source 31, resulting in less light exiting from the light-transmitting area 331 far from the light source 31, ultimately leading to uneven backlight brightness of the button 11. To address this, multiple backlight clusters A within the backlight panel 32 are provided with backlight portions 321 of different densities. The number of backlight portions 321 in each backlight cluster A is proportional to the distance of each backlight cluster A from the center of the light source 31. That is, the backlight clusters A further away from the light source 31 have denser backlight portions 321, while the backlight clusters A closer to the light source 31 have sparser backlight portions 321. This arrangement results in the backlight cluster A closer to the light source 31 having fewer backlight sections 321, allowing a smaller portion of the denser light to be emitted; while the backlight cluster A farther from the light source 31 has more backlight sections 321, allowing most of the sparser light to be emitted. This ensures that the backlight clusters A at different distances from the light source 31 ultimately scatter approximately the same amount of light, thereby achieving uniformity in the backlight brightness of all buttons 11.

[0073] Please refer to Figure 4 and Figure 8 In one embodiment, the light source 31 can be an LED lamp bead. Multiple light sources 31 are distributed along a straight line to form a light-emitting strip B. The multiple light sources 31 can be installed in a rectangular frame with a groove, the opening of the groove facing the side 32c of the backlight panel 32. The multiple light sources 31 can be distributed at equal intervals along a straight line, or the spacing of the multiple light sources 31 can be set according to the distribution of the buttons 11. The arrangement of multiple light sources 31 can improve the brightness and uniformity of the backlight of all buttons 11. The distribution of multiple light sources 31 along equal intervals or indirectly distributed according to the buttons 11 can further improve the uniformity of the backlight of all buttons 11.

[0074] Forming the light source 31 into a light strip B along a straight line facilitates the installation of the light source 31 inside the portable control panel 10. It also facilitates the installation of multiple light sources 31 on the side 32c of the backlight panel 32, ensuring that the arrangement direction of the multiple light sources 31 is parallel to the side 32c of the backlight panel 32. This allows the light source 31 to incident light in a direction perpendicular to the side 32c of the backlight panel 32, thereby reducing the reflected light from the side 32c of the backlight panel 32.

[0075] Please refer to Figure 8 In one embodiment, the backlight panel 32 is rectangular to fit the rectangular portion of the portable control panel 10. The sides 32c of the backlight panel 32 include two first sides parallel to the length direction and two second sides parallel to the width direction, that is, the sides 32c on the front and rear sides of the backlight panel 32 are the first sides, and the sides 32c on the left and right sides of the backlight panel 32 are the second sides.

[0076] The backlight panel 32 has light-emitting strips B on its two first sides. The length of the light-emitting strips B is equal to or slightly greater than the length of the first side of the backlight panel 32, so that the light-emitting strips B can cover the first side of the backlight panel 32.

[0077] By placing the light-emitting strip B on the two first side positions of the backlight panel 32, the distance between the backlight part 321 and the light source 31 in the backlight panel 32 can be shortened, the density of the scattered light from the backlight part 321 can be increased, and the backlight brightness of the button 11 can be improved.

[0078] In one embodiment, the side 32c of the backlight panel 32 where the light source 31 is not provided may be provided with a light-shielding structure such as a light-shielding film to prevent light from escaping from the side 32c of the backlight panel 32 where the light source 31 is not provided, thereby reducing light leakage and improving the backlight brightness of the button 11.

[0079] Please refer to Figure 9In one embodiment, the light-emitting strip B can also be disposed at other positions on the backlight panel 32. For example, light-emitting strip B can be disposed on all four sides 32c of the backlight panel 32, and light-emitting strip B of corresponding length can be disposed on the first side and the second side. The presence of light-emitting strip B on all four sides 32c increases the number of light sources 31 and makes the distribution of light sources 31 more uniform, which can improve the backlight brightness of the button 11 and improve the uniformity of the backlight brightness of the button 11.

[0080] The light strip B can also be provided on only one side 32c of the backlight panel 32. For example, the light strip B can be provided on a first side of the backlight panel 32, or on a second side of the backlight panel 32. With this arrangement, the backlight of the button 11 can also be lit.

[0081] Please refer to Figure 3 In one embodiment, the button layer 1, the conductive layer 2, and the backlight layer 3 are fixed together by adhesive bonding. The portable control panel 10 also includes a first adhesive layer 5 and a second adhesive layer 6. The first adhesive layer 5 is disposed between the button layer 1 and the conductive layer 2 to bond the button layer 1 and the conductive layer 2. The second adhesive layer 6 is disposed between the conductive layer 2 and the backlight layer 3 to bond the conductive layer 2 and the backlight layer 3.

[0082] The first adhesive layer 5 and the second adhesive layer 6 can be transparent adhesives, allowing light to pass through them to illuminate the translucent characters on the button 11. Alternatively, the first adhesive layer 5 and the second adhesive layer 6 can be non-translucent adhesives, with corresponding hollowed-out areas. These hollowed-out areas are aligned vertically with the translucent area 331 of the backlight layer 3. The hollowed-out areas in the first adhesive layer 5 and the second adhesive layer 6 also allow light to pass through, illuminating the translucent characters on the button 11.

[0083] In other embodiments, the button layer 1, the conductive layer 2, and the backlight layer 3 can also be fixed to each other in other ways, such as by heat sealing or snap-fitting.

[0084] The above-described specific examples are for illustrative purposes only and are not intended to limit the scope of this invention. Those skilled in the art to which this invention pertains can make various simple deductions, modifications, or substitutions based on the concept of this invention.

Claims

1. A portable ultrasound device, characterized in that, The device includes a portable main body and a portable display connected to the portable main body. The portable main body includes a portable control panel, which includes a stacked button layer, a conductive layer, a backlight layer, and a bottom cover layer. The button layer includes at least one button with a light-transmitting character; The conductive layer is used to generate corresponding key signals when triggered by the key. The backlight layer includes a light source and a backlight panel. The backlight panel includes a front side facing the conductive layer, a back side facing away from the conductive layer, and a side side located between the front and back sides. The light source is disposed on at least one of the side sides facing the backlight panel. The backlight panel has a backlight portion. Light emitted by the light source enters the backlight panel from the side side. The backlight portion is used to deflect the light entering the backlight panel so that it exits from the front side to illuminate the translucent characters on the key.

2. The portable ultrasound device as described in claim 1, characterized in that, At least one of the backlight units forms a backlight family, each backlight family corresponds to one of the buttons, and the light deflected by each of the backlight units in each backlight family is used to jointly illuminate the translucent characters on the corresponding button.

3. The portable ultrasound device as described in claim 2, characterized in that, The number of backlight elements included in the backlight family is proportional to the distance of each backlight family from the center of the light source.

4. The portable ultrasound device as described in claim 2, characterized in that, The backlight portion has a concave and / or convex structure.

5. The portable ultrasound device as described in claim 1, characterized in that, Multiple light sources are distributed along a straight line to form light-emitting strips, and each of the two opposite sides of the backlight panel is provided with a light-emitting strip.

6. The portable ultrasound device as described in claim 5, characterized in that, The backlight panel is a rectangular panel, and the side of the backlight panel includes two first side surfaces parallel to the length direction and two second side surfaces parallel to the width direction; each of the two first side surfaces is provided with a light-emitting strip.

7. The portable ultrasound device according to any one of claims 1 to 6, characterized in that, The backlight layer further includes an upper light-shielding film and a lower light-shielding film. The upper light-shielding film covers the front side of the backlight layer, and the lower light-shielding film covers the back side of the backlight layer. The upper light-shielding film has multiple light-transmitting areas, and each button corresponds to one light-transmitting area. The light emitted from the backlight layer passes through the light-transmitting areas to illuminate the light-transmitting characters on the button.

8. The portable ultrasound device as described in claim 7, characterized in that, In the stacking direction of the button layer, the conductive layer, the backlight layer and the bottom cover layer, the button, the light-transmitting area and the backlight part are aligned along a straight line.

9. The portable ultrasound device as described in claim 7, characterized in that, The portable control panel further includes a first adhesive layer and a second adhesive layer. The first adhesive layer is disposed between the button layer and the conductive layer to bond the button layer and the conductive layer. The second adhesive layer is disposed between the conductive layer and the backlight layer to bond the conductive layer and the backlight layer.

10. An ultrasonic device, characterized in that, The portable control panel includes a stacked button layer, a conductive layer, a backlight layer, and a bottom cover layer. The button layer includes at least one button with a light-transmitting character; The conductive layer is used to generate corresponding key signals when triggered by the key. The backlight layer includes a light source and a backlight panel. The backlight panel includes a front side facing the conductive layer, a back side facing away from the conductive layer, and a side side located between the front and back sides. The light source is disposed on at least one of the side sides of the backlight panel, and a backlight portion is provided inside the backlight panel. Light emitted by the light source enters the backlight panel from the side side, and the backlight portion is used to deflect the light entering the backlight panel so that it exits from the front side to illuminate the translucent characters on the key.

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