Boe Technology Group Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Uisee Technologies (beijing) Co., Ltd.

Beijing Xiaomi Mobile Software Co., Ltd.

Uisee Technologies (beijing) Ltd

Xiaotong Liu

Yuju Chen

Yongchun Tao

Jijing Huang

Hui Hua

Zhiming Yang

Wei Lin

Yu Zhang

Wei Feng

Lei Shi

Xiaofeng Yin

Xin Zhou

Yingzi Wang

Yichi Zhang

Shuai Hou

Jingwen Guo

Kai Geng

Xiaohui Ma

Hengfei Zhang

Yongshan Wang

Donghai Huo

A tactile feedback panel, a tactile feedback method therefor, and a tactile feedback device. The tactile feedback panel includes: a touch substrate; and at least one piezoelectric device located on one side of the touch substrate, wherein the piezoelectric device is configured to vibrate under the effect of an alternating electric field having different resonant frequencies, and to drive the touch substrate to vibrate and generate a vibration sound.

Haptic feedback panel, haptic feedback method therefor, and haptic feedback device therefor

Disclosed are a vibration panel, a manufacturing method and driving method therefor and a vibration apparatus. The vibration panel includes: a base substrate having at least one vibration element, where at least one annular hollow pattern is provided at a portion, corresponding to each vibration element, of the base substrate, an orthographic projection of the annular hollow pattern corresponding to each vibration element on the base substrate is non-closed, and the annular hollow pattern corresponding to each vibration element has a different total area; and at least one driver positioned on one side of the base substrate, each driver being configured to drive at least one vibration element to independently vibrate.

Vibration panel, manufacturing method and driving method therefor and vibration apparatus

A display device is disclosed. The display device includes a module outer frame, including a display opening window, where an accommodation space is formed inside the module outer frame; a display module, fixed in the accommodating space, where a light emitting side of the display module faces the display opening window; a touch module, fixed between the display module and the display opening window, where the touch module includes a haptic sensor configured to generate a standing wave on a surface of the touch module during operation; a first isolation structure, arranged between the touch module and the module outer frame, where the first isolation structure is configured to isolate the touch module from the module outer frame; and a second isolation structure, arranged between the display module and the touch module, where the second isolation structure is configured to isolate the display module from the touch module.

Display device

A touch device is provided, including a touch rendering module, a touch module, a control module, and a driving module, wherein the touch rendering module is configured for enabling, after a user performs a touch operation, a touch interface to vibrate according to an initial driving voltage; the touch module is configured for obtaining a touch position and a touch area, and generating a touch signal; and the control module is configured for determining a changing trend of the touch area according to the touch signal, and generating a driving signal according to the changing trend of the touch area, to adjust the initial driving voltage to be an actual driving voltage. An operation method for the touch device is also provided.

Touch device and operation method for touch device

The present disclosure provides an acoustic transducer unit and a manufacturing method thereof, and an acoustic transducer, the acoustic transducer unit includes: a base substrate; a first electrode on the base substrate; a support pattern on a side of the first electrode away from the base substrate, which is enclosed into an accommodation groove, at least one release groove and at least one connection groove, an orthographic projection of the release groove on the base substrate is spaced apart from that of the accommodation groove on the base substrate, the connection groove is between the accommodation groove and the release groove to communicate them; a diaphragm pattern on the side of the first electrode away from the base substrate and capable of vibrating in the accommodation groove; a filling pattern in the release groove; a second electrode on a side of the diaphragm pattern away from the base substrate.

Acoustic transducer unit, method for manufacturing the same, and acoustic transducer

An electronic apparatus is provided. The electronic apparatus includes a touch control device configured to detect a touch; a processor configured to classify the touch into one of at least two modes; a haptic device configured to produce a haptic action accompanying an individual touch action; and a driving circuit configured to drive the haptic device. The processor is configured to, upon determination that the touch is of a first mode, transmit a first driving signal to the driving circuit. The driving circuit is configured to, upon receiving the first driving signal, drive the haptic device to produce a plurality of sub-actions cumulatively achieving at least a part of the haptic action accompanying the individual touch action. At least two sub-actions of the plurality of sub-actions are different from each other in at least one parameter.

Electronic apparatus and method of operation electronic apparatus

The present disclosure provides a haptic feedback substrate, a haptic feedback apparatus and a haptic feedback method. The haptic feedback substrate comprises an actuator and a plurality of vibration units connected to the actuator, wherein each vibration unit has a different inherent frequency, the actuator is configured to generate a vibration signal and drive the vibration unit with the inherent frequency being a target inherent frequency to resonate, and a difference between the target inherent frequency and a frequency of the vibration signal is less than or equal to a present threshold.

Haptic feedback substrate, haptic feedback apparatus and haptic feedback method

A haptic reproduction system comprises: a touch display device, an upper computer and a waveform generator. The touch display device comprises a piezoelectric unit, a touch display panel and a touch driving unit. The piezoelectric unit is disposed on the touch display panel. The touch driving unit is electrically connected to the touch display panel and the upper computer, and is configured to acquire touch information and transmit the touch information to the upper computer. The upper computer is electrically connected to the waveform generator, and is configured to send a first waveform generation instruction to the waveform generator according to the touch information. The waveform generator is configured to generate a first waveform signal according to the first waveform generation instruction. The piezoelectric unit is electrically connected to the waveform generator, and is configured to resonate with the touch display panel under the drive of the first waveform signal.

Haptic reproduction system and driving method

The present disclosure provides a distributed computing network system and a method. The distributed computing network may include: a plurality of nodes, where the plurality of nodes is connected through an n-layer network connection. When the distributed computing network receives a data processing task, a node in an ilayer is configured to: receive a data processing task that is corresponding to the ilayer and that is transmitted from a node in a lower layer; complete a data processing task T; transmit, to the node in the lower layer, a data processing result; and transmit, to a node in an upper layer, a remaining data processing task, a process of the data processing task meets a preset condition. The overall feedback time of the data processing task is reduced by distributing calculation tasks among multiple layers of nodes. The technology may be applied in both 4G and 5G network.

Distributed computing network system and method

The present disclosure provides an acoustic transduction unit, a manufacturing method thereof and an acoustic transducer. The acoustic transduction unit includes a substrate, and a first electrode, a vibrating film and a second electrode sequentially arranged on the substrate, a cavity is formed between the first electrode and the vibrating film, orthographic projections of the first electrode, the cavity, the vibrating film and the second electrode on the substrate are at least partially overlapped with each other at a first overlapping region, and a hollowed-out pattern is formed in the vibrating film, and the orthographic projection of the hollowed-out pattern on the substrate and the orthographic projection of the cavity on the substrate are overlapped with each other, and the orthographic projection of the hollowed-out pattern on the substrate is distributed in a discontinuous manner around the first overlapping region.

Acoustic transduction unit, manufacturing method thereof and acoustic transducer

The application provides a haptic feedback method and apparatus for virtual keys, and an electronic device, and relates to the field of piezoelectric techniques. A touch display panel is controlled to display at least one virtual key, a touch position detected by the touch display panel is acquired, a target waveform parameter is determined according to a positional relationship between the touch position and each region in a target area corresponding to a target virtual key, and a target drive signal is generated according to the target waveform parameter and is sent to a piezoelectric element.

Haptic feedback method and apparatus for virtual keys, and electronic device

Disclosed are a photosensitive assembly, a method for manufacturing the same, and an electronic device. The photosensitive assembly includes a light-transmissive substrate, a light sensor, and a vibration member. The light sensor is disposed on a side of the light-transmissive substrate, and the vibration member is configured to drive the light-transmissive substrate to vibrate, such that a photosensitive area of the light-transmissive substrate is in an undulated shape.

Photosensitive assembly, method for manufacturing same, and electronic device comprising a vibration member to vibrate an orthographic projection region of a light sensor on a light transmissive substrate in an undulated shape

The present disclosure provides a capacitive micro-machined ultrasonic transducer, a method for preparing the same, a panel, and a device, and belongs to the technical field of ultrasonic imaging. A capacitive micro-machined ultrasonic transducer includes a first electrode, a vibrating diaphragm layer and a second electrode that are arranged in order from bottom to top, a cavity existing between the first electrode and the vibrating diaphragm layer, in which the capacitive micro-machined ultrasonic transducer further includes a third electrode located on a surface of the vibrating diaphragm layer proximate to the cavity, an orthogonal projection of the third electrode on the first electrode covers a part of an orthogonal projection of the cavity on the first electrode. The technical solution of the present disclosure can realize the conversion of the frequency of the ultrasonic waves emitted by the capacitive micro-machined ultrasonic transducer.

Capacitive micromachined ultrasonic transducer, method for preparing the same, panel, and device

According to some aspects of the present disclosure, a method for loading a visual localization map is provided. The method may include: localizing a current pose; predicting, based on the current pose, a set of group numbers to be loaded for the visual localization map, wherein each group number in the set of group numbers to be loaded corresponds to a sub-map file of the visual localization map, wherein the visual localization map includes a master map file and a plurality of sub-map files, wherein the plurality of sub-map files respectively store map data of corresponding groups obtained by grouping the visual localization map based on key frames, and wherein key frame index information for indexing the plurality of sub-map files is stored in the master map file; and loading corresponding sub-map files based on the group numbers in the set of group numbers to be loaded.

Methods, apparatuses, systems, and storage media for loading visual localization maps

A method for controlling traffic lights and a traffic light system using such method are provided. The method comprises: a receiving apparatus acquires a vehicle classification of a target vehicle (), and then determines whether to turn green for a vehicle arriving at a traffic light, according to the vehicle classification (). Due to a low network delay and high data transmission rate requirement, although applicable in a 4G network environment, the disclosed technology is more suitable for a 5G network environment.

Growing community of inventors

Beijing, China

Xiaotong Liu