Boe Technology Group Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Boe Technology Group

Yuju Chen

Yingzi Wang

Hui Hua

Xiaotong Liu

Yongchun Tao

Xiaofeng Yin

Zhuo Chen

Jijing Huang

Zhiming Yang

Dexing Qi

Feng Qu

Dong Li

Jing Yu

Feng Wang

Shuai Hou

Jian Zhou

Hengfei Zhang

A piezoelectric element, a piezoelectric vibrator and a manufacturing method and a driving method thereof, and an electronic device, and relates to field of piezoelectric technologies. According to the application, a piezoelectric structure is disposed on a first electrode and has an opening allowing the first electrode to penetrate through to be partially exposed, and a heat conducting structure is disposed in the opening. The opening penetrating through the piezoelectric structure is formed in the piezoelectric structure, such that the heating area is decreased when the piezoelectric structure vibrates, and heat generated by the piezoelectric structure is reduced, correspondingly; and the heat conducting structure is additionally disposed in the piezoelectric element to dissipate heat generated when the piezoelectric structure vibrates.

Piezoelectric element, piezoelectric vibrator and manufacturing method and driving method thereof, and electronic device

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

This application provides a piezoelectric component, a piezoelectric apparatus and a method for manufacturing the same, and relates to the field of piezoelectric technologies. In order to solve a problem of a relatively large misalignment between a piezoelectric component and a target transfer position on a glass substrate occurred after the piezoelectric component is transferred in the related transfer methods, and to improve the transfer accuracy of the piezoelectric component. The piezoelectric component includes: a component body and at least one electrode structure arranged on a side of the component body. The at least one electrode structure includes a plurality of strip-shaped electrode pins, and the plurality of electrode pins is arranged at intervals.

Piezoelectric component, piezoelectric apparatus and method for manufacturing the same

The present disclosure provides a display substrate and a method for manufacturing the display substrate. The display substrate includes a base, a plurality of bonding electrodes disposed on the base and spaced apart from each other, and a plurality of functional devices on a side of the plurality of bonding electrodes away from the base. The plurality of bonding electrodes are coupled to electrodes of the plurality of functional devices by bonding. The display substrate further includes an isolation structure disposed on the base and between at least two adjacent bonding electrodes of the plurality of bonding electrodes.

Display substrate and method for manufacturing the same

A tactile reproduction display panel and a display apparatus including the same. The tactile reproduction display panel includes a display panel and a plurality of piezoelectric vibration devices; the display panel includes a base substrate and a plurality of pixel units on the base substrate; each of the piezoelectric vibration devices comprises a driver electrode structure and a piezoelectric layer, and the driver electrode structure is configured to drive the piezoelectric layer to deform so as to generate vibration; the display panel comprises a light exiting surface, the light exiting surface has a first side and a second side in a direction perpendicular to the base substrate, the light exiting surface is configured to emit light to the first side, and the plurality of piezoelectric vibration devices are at the second side of the light exiting surface.

Thin tactile reproduction display panel and display apparatus

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

The present disclosure provides a display device. In order to avoid high-frequency noise in a display screen that is caused by friction when a display screen vibrates, a touch screen is not directly attached to the display screen, the display screen and the touch screen instead being fixed together by means of a fixing structure such that a certain gap remains between the display screen and the touch screen, wherein air or another flowing liquid which does not affect display can be filled in the gap. Moreover, the Young's modulus of the fixing structure is less than 0.1 MPa, so as to ensure that the fixing structure does not substantially inhibit the vibration of the touch screen during operation of a touch sensor.

The present disclosure provides a tactile feedback device having a sensing area and a feedback area surrounding the sensing area; wherein the tactile feedback device includes: a base substrate, a touch element in the sensing area, a piezoelectric element in the feedback area, and a tactile feedback driving component, on the base substrate; and wherein the tactile feedback driving component is configured to: determine a touch position in response to a touch data acquired by the touch element; determine a corresponding driving signal according to at least a touch area where the touch position is located; and input the driving signal to the piezoelectric element to drive the piezoelectric element to generate a tactile feedback. The present disclosure also provides a display apparatus and a tactile feedback method.

Tactile feedback device, display apparatus, and tactile feedback method

Provided are a display device and a touch control method therefor. The display device includes a display panel, a touch screen disposed on the display panel, and a processor connected to the display panel and the touch screen; the display panel including a display area and a non-display area. The display device further comprises: a driver located in the non-display area of the display panel. The processor is further configured to generate, according to the touch position and the touch control action, a modulation signal corresponding to the touch position and the touch control action; and the driver is configured to receive the modulation signal corresponding to the touch position and the touch control action sent by the processor, and drive the touch screen to perform full-screen vibration.

Display device and touch control method therefor

An electronic apparatus is provided. The electronic apparatus includes a touch control device configured to detect a position of a touch on a surface of the electronic apparatus; a haptic device configured to produce a vibration pattern on the surface; a driving circuit configured to drive the haptic device; and a processor configured to determine in real time a relative position between the touch and a boundary zone of a virtual object, and upon determination that the position of the touch enters the boundary zone, transmit a first driving signal to the driving circuit. Upon receiving the first driving signal, the driving circuit is configured to drive the haptic device to produce a first vibration pattern having characteristics that simulate a boundary of the virtual object.

Electronic apparatus and method of operation electronic apparatus

Embodiments in the present disclosure provide a vibration panel and a drive method therefor, and a haptic feedback device. The vibration panel includes: a substrate; a piezoelectric sensor located on one side of the substrate, where the piezoelectric sensor driven by an excitation signal is configured to vibrate, and to drive the substrate to vibrate; and a regulation structure, where the regulation structure is configured to regulate a characteristic frequency of the substrate, so as to make a resonant frequency of the substrate satisfy a preset range.

Vibration panel and drive method therefor, and haptic feedback device

A piezoelectric element, a piezoelectric vibrator and a manufacturing method thereof, and an electronic device, a piezoelectric structure is arranged on a first electrode, and a second electrode is arranged on the piezoelectric structure, wherein the second electrode includes a conductive layer and an anti-oxidation layer arranged on the piezoelectric structure in sequence. The conductive layer is configured to generate, when a breakdown short circuit occurs in the piezoelectric element, solid solution between a breakdown location of the piezoelectric element and anti-oxidation layer, and oxidize to generate an insulating material. The conductive layer and anti-oxidation layer are used as top electrodes of the piezoelectric element, when the breakdown short circuit occurs in the piezoelectric structure of the piezoelectric element, the conductive layer is melted by a huge amount of heat generated by the short circuit, a solid solution is formed by the anti-oxidation layer and the conductive layer.

Piezoelectric element, piezoelectric vibrator and manufacturing method thereof, and electronic device

Embodiments of the disclosure provide a touch panel and a touch device. The touch panel includes: a touch structure; a tactile sensor stacked with the touch structure and configured to generate a standing wave on a surface of the touch panel during operation to realize tactile reproduction; and a first electrode layer located between the touch structure and the tactile sensor, where the first electrode layer is insulated from the tactile sensor and the touch structure, and the first electrode layer is grounded.

Touch panel and touch device

A touch panel, the touch panel includes a control substrate, a touch layer and a piezoelectric layer that are stacked; the control substrate includes a first substrate and a control circuit layer arranged on the first substrate, and the touch layer and the piezoelectric layer are located on the control substrate, the control circuit layer comprises a control circuit, and the control circuit is electrically connected with the touch layer and the piezo electric layer respectively, and is configured to apply electrical signals to the touch layer and the piezoelectric layer and/or receive electrical signals from the touch layer and the piezoelectric layer respectively. The touch panel can realize the global tactile feedback function, and has a simple structure and has the advantages of thinner, lighter, lower driving voltage, and lower power consumption.

Growing community of inventors

Beijing, China

Yuju Chen