Screen component and mobile terminal
A mobile terminal and screen technology, applied in digital data processing components, structural components of portable computers, electrical components, etc., can solve the problems of low electromagnetic efficiency of components, complex processing technology, poor low-frequency sound effects, etc., and achieve sound quality distortion. Low, good user experience, the effect of reducing the volume
Active Publication Date: 2020-12-29
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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Problems solved by technology
However, when the above-mentioned components are applied to mobile terminals, the sound effect in the low frequency band is poor, which affects the user experience
The electromagnetic efficiency of the above-mentioned components is low, the efficiency of converting the electromagnetic energy of the device into kinetic energy is low, and the response speed is slow
The processing technology of components such as piezoelectric actuators and electromagnetic suspension actuators is complex, and requires extremely high matching accuracy, resulting in low yield and high production costs
Method used
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[0037] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.
[0038] The terminology used in the present disclosure is for the purpose of describing particular embodiments only, and is not intended to limit the present disclosure. As used in this disclosure and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood...
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The invention provides a screen component and a mobile terminal. The screen component comprises a screen main body and at least one vibration assembly, the vibration assembly comprises a moving part made of a giant magnetostrictive material and at least one coil surrounding the moving part, and part of the moving part is attached to the screen main body. The at least one coil forms a correspondingmagnetic field under the condition that input current parameters are changed, and the moving part adjusts the deformation quantity according to the magnetic field change of the coil and drives the screen main body to vibrate, so that the screen component outputs corresponding sound information. The vibration assembly directly acts on the screen body and synchronously changes along with current signals output by the audio circuit module, tone quality output by the screen component is low in distortion and high in frequency response, and user experience is good. The vibration assembly is directly attached to the screen main body, the requirements for assembly and fit tolerance are low, the reject ratio of products is reduced, and the production cost is reduced.
Description
technical field [0001] The disclosure belongs to the technical field of electronic equipment, and relates to a screen component and a mobile terminal. Background technique [0002] Mobile terminals such as mobile phones or tablet computers play an increasingly important role in people's daily life, and many designers pay more and more attention to user experience in the development of mobile terminals. For example, in order to meet the screen-to-body ratio pursued by mobile phone users and the non-porous design of mobile phone appearance, mobile terminals adopt screen sound technology to eliminate the need for traditional dynamic speakers to open holes for sound output in the middle frame components of mobile terminals disadvantages. [0003] In related technologies, the components used to realize the screen sound technology include linear motor actuators, piezoelectric actuators, electromagnetic magnetic suspension actuators, and the like. However, when the above-mentione...
Claims
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IPC IPC(8): G06F1/16
CPCG06F1/1615H04M1/03H04M1/0266H04M1/035B06B1/045H04M1/026H04R1/025H04R9/025H04R9/06H04R15/00H04R2499/11H04R2499/15
Inventor 杜娜程有宏单连文
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD