CN204668211U - A kind of button and display device - Google Patents
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- CN204668211U CN204668211U CN201520406584.2U CN201520406584U CN204668211U CN 204668211 U CN204668211 U CN 204668211U CN 201520406584 U CN201520406584 U CN 201520406584U CN 204668211 U CN204668211 U CN 204668211U
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Abstract
本实用新型是关于一种按键及显示设备，涉及输入装置技术领域，解决了用户较难识别现有显示设备上的每个按键的含义，给用户带来不便的问题。主要采用的技术方案为：按键包括壳体，其包括按压面；所述按压面为透光面，所述透光面上设置有遮光部，所述遮光部在所述按压面上形成所述按键的功能对应的功能符的形状；或者，所述按压面为遮光面，所述遮光面上设置有透光部，所述透光部在所述按压面上形成所述按键的功能对应的功能符的形状。本实用新型主要用于使用户能够准确识别显示设备上每个按键的功能。
The utility model relates to a button and a display device, relates to the technical field of input devices, and solves the problem that it is difficult for users to identify the meaning of each button on the existing display device, which brings inconvenience to the user. The technical solution mainly adopted is: the button includes a housing, which includes a pressing surface; the pressing surface is a light-transmitting surface, and a light-shielding part is arranged on the light-transmitting surface, and the light-shielding part forms the said pressing surface on the pressing surface. The shape of the function symbol corresponding to the function of the key; or, the pressing surface is a light-shielding surface, and the light-shielding surface is provided with a light-transmitting part, and the light-transmitting part forms a corresponding shape of the function of the key on the pressing surface. The shape of the function symbol. The utility model is mainly used to enable users to accurately identify the function of each button on the display device.
Description
技术领域technical field
本实用新型涉及输入装置技术领域，尤其涉及一种按键及显示设备。The utility model relates to the technical field of input devices, in particular to a button and a display device.
背景技术Background technique
随着人们生活水平的提高，人们对显示设备能够达到的视觉效果要求也越来越高，为了提高视觉效果，现有的显示设备的前边框一般设计较窄，以加大可视空间，因此，显示设备的按键一般设置在设备的下方，而不便于用户辨认每个按键的功能。With the improvement of people's living standards, people have higher and higher requirements for the visual effect that the display device can achieve. In order to improve the visual effect, the front frame of the existing display device is generally designed to be narrower to increase the visual space, so , the buttons of the display device are generally arranged at the bottom of the device, making it difficult for the user to identify the function of each button.
为了方便用户按键，现有技术采用的方案一般为：在显示设备的前边框上设计对应于设备的每个按键功能的丝印，以使人们通过丝印确定与该丝印对应的按键的功能，但是，由于显示设备边框的空间有限和为了美观，这些丝印的面积很小，而且颜色很浅，用户在一定的距离之外便难以看清丝印的含义，进而不能通过丝印准确确定每个按键的含义，给用户带来不便。In order to facilitate the user to press keys, the solution adopted in the prior art is generally: design a silk screen corresponding to the function of each key of the device on the front frame of the display device, so that people can determine the function of the key corresponding to the silk screen through the silk screen. However, Due to the limited space on the frame of the display device and for the sake of aesthetics, the area of these silk screens is very small and the color is very light. It is difficult for users to see the meaning of the silk screen from a certain distance, and thus cannot accurately determine the meaning of each button through the silk screen. cause inconvenience to users.
实用新型内容Utility model content
有鉴于此，本实用新型实施例提供一种按键及显示设备，用户能够准确识别每个按键的含义，使用户使用更方便。In view of this, the embodiment of the present invention provides a button and a display device, the user can accurately identify the meaning of each button, making the user more convenient to use.
为达到上述目的，本实用新型主要提供如下技术方案：In order to achieve the above object, the utility model mainly provides the following technical solutions:
一方面，本实用新型实施例提供了一种按键，其包括：On the one hand, the embodiment of the present utility model provides a button, which includes:
壳体，其包括按压面；a housing including a pressing surface;
所述按压面为透光面，所述透光面上设置有遮光部，所述遮光部在所述按压面上形成所述按键的功能对应的功能符的形状；The pressing surface is a light-transmitting surface, and a light-shielding part is provided on the light-transmitting surface, and the light-shielding part forms a shape of a function symbol corresponding to the function of the button on the pressing surface;
或者，所述按压面为遮光面，所述遮光面上设置有透光部，所述透光部在所述按压面上形成所述按键的功能对应的功能符的形状。Alternatively, the pressing surface is a light-shielding surface, and a light-transmitting part is provided on the light-shielding surface, and the light-transmitting part forms a shape of a function symbol corresponding to the function of the key on the pressing surface.
具体地，所述功能符为文字和/或图形。Specifically, the function symbols are text and/or graphics.
另一方面，本实用新型实施例提供了一种显示设备，其包括外壳和按键，其中，所述外壳包括顶壁、底壁以及侧壁，所述按键设置于所述顶壁、底壁或侧壁上，所述按键包括：On the other hand, an embodiment of the present invention provides a display device, which includes a housing and buttons, wherein the housing includes a top wall, a bottom wall and a side wall, and the buttons are arranged on the top wall, bottom wall or On the side wall, the keys include:
壳体，其包括按压面；a housing including a pressing surface;
所述按压面为透光面，所述透光面上设置有遮光部，所述遮光部在所述按压面上形成所述按键的功能对应的功能符的形状；The pressing surface is a light-transmitting surface, and a light-shielding part is provided on the light-transmitting surface, and the light-shielding part forms a shape of a function symbol corresponding to the function of the button on the pressing surface;
或者，所述按压面为遮光面，所述遮光面上设置有透光部，所述透光部在所述按压面上形成所述按键的功能对应的功能符的形状；Alternatively, the pressing surface is a light-shielding surface, and the light-shielding surface is provided with a light-transmitting part, and the light-transmitting part forms a shape of a function symbol corresponding to the function of the button on the pressing surface;
所述显示设备还包括按键光源，所述按键光源设置于所述外壳内对应所述按键的位置，所述按键光源的出光面朝向所述按键的按压面。The display device further includes a key light source, the key light source is disposed in the housing at a position corresponding to the key, and the light emitting surface of the key light source faces the pressing surface of the key.
具体地，所述按键光源发出的光为带有颜色的平行光，所述平行光的光线垂直于所述按压面。Specifically, the light emitted by the button light source is parallel light with color, and the light of the parallel light is perpendicular to the pressing surface.
具体地，所述按键光源为激光器或发光二极管。Specifically, the key light source is a laser or a light emitting diode.
具体地，所述功能符为中文字体和/或图形。Specifically, the function symbols are Chinese fonts and/or graphics.
具体地，所述显示设备为电视机。Specifically, the display device is a television.
具体地，所述按键设置于所述底壁上。Specifically, the button is arranged on the bottom wall.
具体地，所述电视机包括主板，所述光源与所述主板电连接。Specifically, the television set includes a mainboard, and the light source is electrically connected to the mainboard.
本实用新型实施例提供的按键及显示设备中，通过将按键壳体的按压面设置为透光面，并在该透光面上设置遮光部，使遮光部在按压面上形成按键功能对应的功能符的形状，在光源的照射下，该遮光部与透光面相互配合，将该功能符的形状放大并投影到投影面(桌面或者墙面等)上；或者，通过将按压面设置为遮光面，并在该遮光面上设置透光部，使透光部在按压面上形成按键功能对应的功能符的形状，在光源的照射下，该透光部与遮光面相互配合，将该功能符的形状放大并投影到投影面(桌面或者墙面等)上。当用户想要按下某个按键时，只需将手指移动到投影面(桌面或者墙面等)上的功能符所对应的某个按键上，遮挡该按键对应的位于投影面上的投影，即表示选中了该按键。因此，用户可以通过投影到投影面上的放大后的功能符的形状来确定每一个按键的功能而准确选择按键，避免了电视前边框上的丝印面积很小，而且颜色很浅，用户在一定的距离之外便难以看清丝印的含义，进而不能通过丝印准确确定每个按键的含义的弊端，给用户带来方便；此外，由于该按键是通过用户的手指遮挡某个按键对应的位于投影面上的投影来选择按键，即在选择某个按键时，用户可以调整手指遮挡某个按键对应的位于投影面上的投影，直到手指遮挡住某个按键的全部投影，因此，该按键还可以避免由于各个按键之间距离较近，用户可能在按压某个按键的同时，按压到该按键旁边的按键，而导致按键失误的弊端。In the button and display device provided by the embodiment of the utility model, by setting the pressing surface of the button housing as a light-transmitting surface, and setting a light-shielding part on the light-transmitting surface, the light-shielding part forms a key function corresponding to the pressing surface on the pressing surface. The shape of the functional symbol, under the illumination of the light source, the shading part cooperates with the light-transmitting surface to enlarge and project the shape of the functional symbol onto the projection surface (desktop or wall, etc.); or, by setting the pressing surface as The light-shielding surface, and the light-transmitting part is arranged on the light-shielding surface, so that the light-transmitting part forms the shape of the function symbol corresponding to the button function on the pressing surface. The shape of the function symbol is enlarged and projected onto the projection surface (desktop or wall, etc.). When the user wants to press a certain button, he only needs to move his finger to a certain button corresponding to the function symbol on the projection surface (desktop or wall, etc.) to block the projection corresponding to the button on the projection surface. This indicates that the button is selected. Therefore, the user can determine the function of each button through the shape of the enlarged function symbol projected onto the projection surface to accurately select the button, which avoids the small area and light color of the silk screen on the front frame of the TV. It is difficult to see the meaning of the silk screen from a distance of 1000 mm, and the disadvantage of not being able to accurately determine the meaning of each button through the silk screen is to bring convenience to the user; in addition, because the button is blocked by the user's finger The projection on the surface is used to select the button, that is, when selecting a button, the user can adjust the finger to block the projection on the projection surface corresponding to a button until the finger blocks all the projection of a button, so the button can also Due to the short distance between each button, the user may press a button next to the button while pressing a button, resulting in the disadvantage of a wrong button.
附图说明Description of drawings
图1为本实用新型实施例提供的一种按键的结构示意图；Fig. 1 is a structural schematic diagram of a button provided by an embodiment of the utility model;
图2为本实用新型实施例提供的一种电视机的局部结构示意图。Fig. 2 is a schematic diagram of a partial structure of a TV set provided by an embodiment of the present invention.
具体实施方式Detailed ways
为了更进一步阐述本实用新型为达成预定实用新型的目的所采取的技术手段及功效，以下结合附图及较佳实施例，对依据本实用新型提出的固态硬盘装置及主机的具体实施方式、结构、特征及其功效进行说明，详细说明如后。在下述说明中，不同的“一实施例”或“实施例”指的不一定是同一实施例。此外，一或多个实施例中的特定特征、结构或特点可由任何合适的形式组合。In order to further explain the technical means and effects of the utility model to achieve the intended purpose of the utility model, the specific implementation and structure of the solid-state hard disk device and the host computer proposed according to the utility model will be described below in conjunction with the accompanying drawings and preferred embodiments. , features and their effects are described in detail as follows. In the following description, different "one embodiment" or "embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures or characteristics of one or more embodiments may be combined in any suitable manner.
随着人们生活水平的提高，人们对显示设备能够达到的视觉效果要求也越来越高，为了提高视觉效果，现有的显示设备的前边框一般设计较窄，以加大可视空间，因此，显示设备的按键一般设置在设备的下方，而不便于用户辨认每个按键的功能。With the improvement of people's living standards, people have higher and higher requirements for the visual effect that the display device can achieve. In order to improve the visual effect, the front frame of the existing display device is generally designed to be narrower to increase the visual space, so , the buttons of the display device are generally arranged at the bottom of the device, making it difficult for the user to identify the function of each button.
为了方便用户按键，现有技术采用的方案一般为：在显示设备的前边框上设计对应于设备的每个按键功能的丝印，以使人们通过丝印确定与该丝印对应的按键的功能，但是，由于显示设备边框的空间有限和为了美观，这些丝印的面积很小，而且颜色很浅，用户在一定的距离之外便难以看清丝印的含义，进而不能通过丝印准确确定每个按键的含义，给用户带来不便。In order to facilitate the user to press keys, the solution adopted in the prior art is generally: design a silk screen corresponding to the function of each key of the device on the front frame of the display device, so that people can determine the function of the key corresponding to the silk screen through the silk screen. However, Due to the limited space on the frame of the display device and for the sake of aesthetics, the area of these silk screens is very small and the color is very light. It is difficult for users to see the meaning of the silk screen from a certain distance, and thus cannot accurately determine the meaning of each button through the silk screen. cause inconvenience to users.
为了解决上述问题，如图1所示，本实用新型的实施例提供一种按键及显示设备，其中，该按键包括壳体1，壳体1包括按压面11；该按压面11可以为透光面，在透光面上设置有遮光部111，该遮光部111在按压面11上形成按键的功能对应的功能符112的形状。例如，可以将遮光部111设置为镂空雕刻在按压面11上，且代表按键的功能的文字或者图形，或者文字和图形配合的功能符112，在光源的照射下，光源的光线能透过透光面而不能透过遮光部111，进而将遮光部111的文字或者图形，或者文字和图形配合形成的功能符的形状放大并投影到投影面(桌面或者墙面等)上；或者，该按压面11也可以为遮光面，在遮光面上设置有透光部111a，透光部111a在按压面11上形成按键的功能对应的功能符112a的形状。例如，可以在按压面11上雕刻贯通按压面11的代表按键的功能的文字或者图形，或者文字和图形配合的功能符112a，或者在不透光的按压面11上设置能透光的代表按键的功能的文字或者图形，或者文字和图形配合的功能符，在光源的照射下，光源的光线不能透过遮光面而能透光部111a，进而将透光部111a的文字或者图形，或者文字和图形配合形成的功能符的形状放大并投影到投影面(桌面或者墙面等)上。In order to solve the above problems, as shown in Figure 1, an embodiment of the present utility model provides a button and a display device, wherein the button includes a casing 1, and the casing 1 includes a pressing surface 11; the pressing surface 11 can be light-transmitting A light-shielding portion 111 is provided on the light-transmitting surface, and the light-shielding portion 111 forms a shape of a function symbol 112 corresponding to the function of the key on the pressing surface 11 . For example, the light-shielding part 111 can be set to hollow out and engraved on the pressing surface 11, and represent the characters or graphics of the function of the key, or the function symbols 112 that are matched with the characters and graphics. Under the illumination of the light source, the light of the light source can pass through The light surface cannot pass through the light-shielding part 111, and then the characters or graphics of the light-shielding part 111, or the shape of the function symbol formed by the cooperation of characters and graphics are enlarged and projected on the projection surface (desktop or wall, etc.); The surface 11 may also be a light-shielding surface, on which a light-transmitting portion 111a is provided, and the light-transmitting portion 111a forms a shape of a function symbol 112a corresponding to the function of the key on the pressing surface 11 . For example, it is possible to engrave on the pressing surface 11 the text or graphics representing the function of the key that penetrates the pressing surface 11, or the function symbol 112a that matches the text and graphics, or set a translucent representative key on the opaque pressing surface 11. Under the irradiation of the light source, the light of the light source cannot pass through the light-shielding surface but can pass through the light-transmitting part 111a, and then the characters or graphics of the light-transmitting part 111a, or the characters The shape of the functional symbol formed in cooperation with the graphics is enlarged and projected onto the projection surface (desktop or wall, etc.).
本实用新型实施例提供的按键，通过将按键壳体的按压面设置为透光面，并在该透光面上设置遮光部，使遮光部在按压面上形成按键功能对应的功能符的形状，在光源的照射下，该遮光部与透光面相互配合，将该功能符的形状放大并投影到投影面(桌面或者墙面等)上；或者，通过将按压面设置为遮光面，并在该遮光面上设置透光部，使透光部在按压面上形成按键功能对应的功能符的形状，在光源的照射下，该透光部与遮光面相互配合，将该功能符的形状放大并投影到投影面(桌面或者墙面等)上。当用户想要按下某个按键时，只需将手指移动到投影面(桌面或者墙面等)上的功能符所对应的某个按键上，遮挡该按键对应的位于投影面上的投影，即表示选中了该按键，可见，实现按键功能的选择还是通过原来的机械式按动方式。用户可以通过观察投影到投影面上的放大后的功能符的形状来准确识别每一个按键的功能，进而准确选择按键。无需使用复杂的技术，如红外识别来确定按键功能，成本低，还避免了电视前边框上的丝印面积很小，而且颜色很浅，用户在一定的距离之外便难以看清丝印的含义，进而不能通过丝印准确确定每个按键的含义的弊端，给用户带来方便；此外，由于该按键是通过用户的手指遮挡某个按键对应的位于投影面上的投影来选择按键，即在选择某个按键时，用户可以调整手指遮挡某个按键对应的位于投影面上的投影，直到手指遮挡住某个按键的全部投影，因此，该按键还可以避免由于各个按键之间距离较近，用户可能在按压某个按键的同时，按压到该按键旁边的按键，而导致按键失误的弊端。In the button provided by the embodiment of the utility model, the pressing surface of the button housing is set as a light-transmitting surface, and a light-shielding part is arranged on the light-transmitting surface, so that the light-shielding part forms the shape of the function symbol corresponding to the key function on the pressing surface , under the illumination of the light source, the light-shielding part cooperates with the light-transmitting surface to enlarge and project the shape of the function symbol onto the projection surface (desktop or wall, etc.); or, by setting the pressing surface as the light-shielding surface, and A light-transmitting part is arranged on the light-shielding surface, so that the light-transmitting part forms the shape of the function symbol corresponding to the button function on the pressing surface. Zoom in and project onto the projection surface (desktop or wall, etc.). When the user wants to press a certain button, he only needs to move his finger to a certain button corresponding to the function symbol on the projection surface (desktop or wall, etc.) to block the projection corresponding to the button on the projection surface. That is to say, the button is selected. It can be seen that the selection of the button function is still through the original mechanical pressing method. The user can accurately identify the function of each button by observing the enlarged shape of the function symbol projected onto the projection surface, and then accurately select the button. There is no need to use complex technologies, such as infrared recognition to determine the function of the button, the cost is low, and it also avoids the silk screen on the front frame of the TV. The area is small and the color is very light. And then can not accurately determine the drawback of the meaning of each button by silk screen, bring convenience to the user; When a button is pressed, the user can adjust the finger to block the projection on the projection surface corresponding to a button until the finger blocks all the projection of a button. Therefore, the button can also avoid the possibility that the user may While pressing a certain key, the key next to the key is pressed, resulting in the disadvantage of key failure.
为了使用户更加清晰的识别每个按键的功能，作为技术方案的改进，将上文所述的功能符优选为中文字体和图形的组合形式，或者单独为中文字体或图形。In order to enable users to identify the function of each button more clearly, as an improvement of the technical solution, the above-mentioned function symbols are preferably a combination of Chinese fonts and graphics, or Chinese fonts or graphics alone.
本实用新型还提供了一种显示设备，参见图1和图2，该显示设备包括外壳2和按键，其中，外壳2包括顶壁(图中未标示)、底壁22以及侧壁23，按键设置于在顶壁21、底壁22或侧壁23上，按键包括壳体1，该壳体1包括按压面11；该按压面11可以为透光面，在透光面上设置有遮光部111，其在按压面11上形成按键的功能对应的功能符112的形状；或者，该按压面11也可以为遮光面，在遮光面上设置有透光部111a，透光部111a在按压面11上形成按键的功能对应的功能符112a的形状。该显示设备还包括按键光源(图中未标示)，其设置在外壳2内对应所述的按键的位置，该按键光源的出光面朝向按键的按压面11。其中，所述的遮光部111可以设置为镂空雕刻在按压面11上，且代表按键的功能的文字或者图形，或者文字和图形配合的功能符，在按键光源的照射下，按键光源的光线能透过透光面而不能透过遮光部111，进而将遮光部111的文字或者图形，或者文字和图形配合形成的功能符的形状放大并投影到投影面(桌面或者墙面等)上；也可以在按压面11上雕刻贯通按压面11的代表按键的功能的文字或者图形，或者文字和图形配合的功能符，或者在不透光的按压面11上设置能透光的代表按键的功能的文字或者图形，或者文字和图形配合的功能符，在按键光源的照射下，按键光源的光线不能透过遮光面而能透过透光部111a，进而将透光部3111a的文字或者图形，或者文字和图形配合形成的功能符的形状放大并投影到投影面(桌面或者墙面等)上。The utility model also provides a display device, referring to Fig. 1 and Fig. 2, the display device includes a casing 2 and buttons, wherein the casing 2 includes a top wall (not marked in the figure), a bottom wall 22 and a side wall 23, the button Set on the top wall 21, the bottom wall 22 or the side wall 23, the button includes a housing 1, and the housing 1 includes a pressing surface 11; the pressing surface 11 can be a light-transmitting surface, and a light-shielding part is arranged on the light-transmitting surface 111, which forms the shape of the function symbol 112 corresponding to the function of the button on the pressing surface 11; or, the pressing surface 11 can also be a light-shielding surface, and a light-transmitting part 111a is arranged on the light-shielding surface, and the light-transmitting part 111a is on the pressing surface 11 forms the shape of the function symbol 112a corresponding to the function of the button. The display device also includes a key light source (not shown in the figure), which is arranged in the housing 2 at a position corresponding to the key, and the light emitting surface of the key light source faces the pressing surface 11 of the key. Wherein, the light-shielding part 111 can be set to be hollowed out and engraved on the pressing surface 11, and represent the characters or graphics of the functions of the buttons, or the function symbols that are matched with the characters and graphics. Under the irradiation of the button light source, the light of the button light source can Through the light-transmitting surface but not through the light-shielding part 111, the characters or graphics of the light-shielding part 111, or the shape of the function symbol formed by the cooperation of the words and graphics are enlarged and projected onto the projection surface (desktop or wall, etc.); It is possible to engrave on the pressing surface 11 the text or graphics representing the function of the key that penetrates the pressing surface 11, or the function symbols that match the text and the graphic, or set a translucent representative of the function of the key on the opaque pressing surface 11. Characters or graphics, or functional symbols that are combined with characters and graphics, under the illumination of the button light source, the light of the button light source cannot pass through the light-shielding surface but can pass through the light-transmitting part 111a, and then the characters or graphics in the light-transmitting part 3111a, or The shape of the function symbol formed by the cooperation of the text and the graphics is enlarged and projected onto the projection surface (desktop or wall, etc.).
本实用新型实施例提供的显示设备，包括外壳和具有壳体的按键，还包括设置于外壳内对应按键的位置出的按键光源，通过将按键壳体的按压面设置为透光面，并在该透光面上设置遮光部，使遮光部在按压面上形成按键功能对应的功能符的形状，由于按键光源的出光面朝向按键的按压面，因此，在按键光源的照射下，该遮光部与透光面相互配合，将该功能符的形状放大并投影到投影面(桌面或者墙面等)上；或者，通过将按压面设置为遮光面，并在该遮光面上设置透光部，使透光部在按压面上形成按键功能对应的功能符的形状，同样由于按键光源的出光面朝向按键的按压面，因此，在按键光源的照射下，该透光部与遮光面相互配合，将该功能符的形状放大并投影到投影面(桌面或者墙面等)上。当用户想要按下某个按键时，只需将手指移动到投影面(桌面或者墙面等)上的功能符所对应的某个按键上，遮挡该按键对应的位于投影面(桌面或者墙面等)上的投影，即表示选中了该按键，可见，实现按键功能的选择还是通过原来的机械式按动方式。用户可以通过观察投影到投影面上的放大后的功能符的形状来准确识别每一个按键的功能，进而准确选择按键。即便是在夜晚，或者是在没有外部光源的情况下，用户也可以根据在投影面(桌面或者墙面等)上所显示的按键的按压面上的功能符形状的投影，来准确识别各个按键所对应的功能。避免了电视前边框上的丝印面积很小，而且颜色很浅，用户在一定的距离之外便难以看清丝印的含义，进而不能通过丝印准确确定每个按键的含义的弊端，给用户带来方便；此外，由于该按键是通过用户的手指遮挡某个按键对应的位于投影面上的投影来选择按键，即在选择某个按键时，用户可以调整手指遮挡某个按键对应的位于投影面上的投影，直到手指遮挡住某个按键的全部投影，因此，该按键还可以避免由于各个按键之间距离较近，用户可能在按压某个按键的同时，按压到该按键旁边的按键，而导致按键失误的弊端。The display device provided by the embodiment of the present invention includes a casing and a button with a casing, and also includes a button light source arranged at a position corresponding to the button in the casing, by setting the pressing surface of the button casing as a light-transmitting surface, and The light-shielding part is arranged on the light-transmitting surface, so that the light-shielding part forms the shape of the function symbol corresponding to the key function on the pressing surface. Cooperate with the light-transmitting surface to enlarge and project the shape of the function symbol onto the projection surface (desktop or wall, etc.); or, by setting the pressing surface as a light-shielding surface and setting a light-transmitting part on the light-shielding surface, Make the light-transmitting part form the shape of the function symbol corresponding to the key function on the pressing surface. Also, because the light-emitting surface of the key light source faces the pressing surface of the key, the light-transmitting part cooperates with the light-shielding surface under the irradiation of the key light source. The shape of the function symbol is enlarged and projected onto the projection surface (desktop or wall, etc.). When the user wants to press a certain button, he only needs to move his finger to a certain button corresponding to the function symbol on the projection surface (desktop or wall, etc.), and block the corresponding button on the projection surface (desktop or wall). The projection on the surface, etc.) means that the button is selected. It can be seen that the selection of the function of the button is still through the original mechanical pressing method. The user can accurately identify the function of each button by observing the enlarged shape of the function symbol projected onto the projection surface, and then accurately select the button. Even at night, or in the absence of external light sources, users can accurately identify each key according to the projection of the function symbol shape on the pressing surface of the key displayed on the projection surface (desktop or wall, etc.) corresponding function. It avoids the disadvantages that the screen printing area on the front frame of the TV is very small and the color is very light, and it is difficult for the user to see the meaning of the silk screen from a certain distance, and the meaning of each button cannot be accurately determined through the silk screen, which brings users Convenient; in addition, because the button is selected by the user's finger covering the projection corresponding to a button on the projection surface, that is, when a button is selected, the user can adjust the finger to block the projection corresponding to a button on the projection surface projection until the fingers cover all the projection of a key, therefore, the key can also prevent the user from pressing the key next to the key while pressing the key due to the short distance between the keys, which may cause Disadvantages of miskeying.
为了确保投射到投影面的功能符形状清晰可见，作为技术方案的改进，按键光源发出的光为带有颜色的平行光，所述的平行光的光线垂直于按压面11，以保证按键光源的光透光按压面311投影到投影面上的形状便于用户识别辨认，使用户使用更加方便。其中，所述的按键光源优选为光线平行，节能且使用寿命长的激光器或者发光二极管。In order to ensure that the shape of the function symbol projected on the projection surface is clearly visible, as an improvement of the technical solution, the light emitted by the button light source is parallel light with color, and the light of the parallel light is perpendicular to the pressing surface 11, so as to ensure the light source of the button. The shape of the light-transmitting pressing surface 311 projected onto the projection surface is convenient for the user to recognize and identify, making the user more convenient to use. Wherein, the key light source is preferably a laser or light emitting diode with parallel light, energy saving and long service life.
为了使用户更加清晰的识别每个按键的功能，作为技术方案的改进，将上文所述的功能符优选为中文字体和图形组合的形式，或者单独为中文字体或者图形。In order for the user to recognize the function of each button more clearly, as an improvement of the technical solution, the above-mentioned function symbols are preferably in the form of a combination of Chinese fonts and graphics, or in Chinese fonts or graphics alone.
其中，参见图2，显示设备可以为电视机，按键设置在电视机外壳2的底壁22上，且该电视机的下方固定连接有底座4，电视机通过底座4放置在桌面上，该桌面即为投影面，因此，与按键的功能对应的功能符的形状会被投影到桌面上，用户可以根据桌面上的功能符形状的投影来识别电视机的按键功能。而为了操作方便，将按键光源与电视机的主板(图中未标示)电连接，即打开电视机，其中，主板为电视机的通用主板，按键光源就会发光，桌面上就会显示每个按键上所设置的功能符的形状。Wherein, referring to FIG. 2 , the display device can be a TV, and the buttons are arranged on the bottom wall 22 of the TV casing 2, and a base 4 is fixedly connected to the bottom of the TV, and the TV is placed on the desktop through the base 4. It is the projection surface. Therefore, the shape of the function symbol corresponding to the function of the button will be projected on the desktop, and the user can recognize the button function of the TV according to the projection of the shape of the function symbol on the desktop. For the convenience of operation, the button light source is electrically connected with the main board (not shown in the figure) of the TV, that is, the TV is turned on. The shape of the function symbol set on the button.
以上所述，仅是本实用新型的较佳实施例而已，并非对本实用新型作任何形式上的限制，依据本实用新型的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本实用新型技术方案的范围内。The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model are all valid. Still belong to the scope of the technical solution of the utility model.
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