Boe Technology Group Co., Ltd.

Beijing Boe Display Technology Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Jiabin Wang

Xiaoliang Ding

Haisheng Wang

Yangbing Li

Ping Zhang

Xueyou Cao

Lei Wang

Pengpeng Wang

Yapeng Li

Yingming Liu

Likai Deng

Wenjuan Wang

Yanling Han

Xue Dong

Yunke Qin

Chihjen Cheng

Wei Liu

Jing Liu

Yingzi Wang

Yichi Zhang

Xuan Feng

Yuanyuan Ma

Yue Tong

Fangyuan Zhao

Changfeng Li

Bo Chen

Xiaoquan Hai

Chengfu Xu

Peng Jia

Wenhao Tian

Mingdong Wang

A display panel is provided, including: a base substrate; a pixel circuit on the base substrate, the pixel circuit includes a transistor including an active layer, a gate electrode, a first electrode and a second electrode; and a fingerprint recognition circuit including a photosensitive circuit, a storage circuit and an output circuit, the storage circuit includes a first capacitor including a first capacitance electrode and a second capacitance electrode; the first capacitance electrode is arranged in the same layer as at least one of the gate electrode, the active layer, the first capacitor or the second electrode, and/or, the second capacitance electrode is arranged in the same layer as at least one of the gate electrode, the active layer, the first electrode or the second electrode; the first capacitance electrode is located in a layer different from a layer where the second capacitance electrode is located.

Display panel, display device, and method for manufacturing display panel

Provided is a display device including a display panel and a plurality of photoelectric sensor assemblies. The display panel includes a display region, a first region disposed outside the display region and extending along a first direction, and a second region disposed outside the display region and extending along a second direction, wherein the first direction is intersected with the second direction. Each of the photoelectric sensor assemblies is provided with a strip-shaped photosensitive region. One portion of the plurality of photoelectric sensor assemblies are disposed in the first region, the other portion of the photoelectric sensor assemblies are disposed in the second region. Each of the photoelectric sensor assemblies is configured to receive an optical signal reflected via eyes of a user and convert the optical signal into an electric signal.

Display device, wearable display device and method for determining gaze positions

A photoelectric detection circuit, a method of controlling the photoelectric detection circuit and a pixel unit are provided. The photoelectric detection circuit includes: a detection sub-circuit configured to generate a current flowing between a bias voltage signal terminal and a input node in response to an optical signal; a storage sub-circuit connected between the bias voltage signal terminal and the input node, and configured to store energy based on the current generated by the detection sub-circuit; an integrator sub-circuit having a first input terminal, a second input terminal and an output terminal, and configured to integrate a signal of the first input terminal based on a potential of the second input terminal to generate an integrated signal and output the integrated signal at the output terminal; and a control sub-circuit connected to a control signal terminal, the input node and the first input terminal of the integrator sub-circuit.

Photoelectric detection circuit, method of controlling photoelectric detection circuit, and pixel unit

The present disclosure relates to the field of fingerprint identification technology, and provides a fingerprint identification substrate, a fingerprint identification method and a display device. The fingerprint identification substrate includes: a base substrate; at least one point light source arranged on the base substrate and configured to emit signal light; and at least one photosensitive unit arranged at a side of the base substrate away from the point light source, and configured to receive the signal light reflected by a finger and identify a fingerprint. Each photosensitive unit includes a first photosensitive sensor and a second photosensitive sensor independent of each other, a light filtration structure is arranged at a side of the second photosensitive sensor facing the point light source and configured to merely allow light in a first direction to pass therethrough, and the first direction is perpendicular to the base substrate.

Fingerprint identification substrate, fingerprint identification method and display device

The present disclosure provides a microfluidic device, a driving method thereof and a microfluidic system. The microfluidic device includes a first substrate and a second substrate disposed opposite to each other, and a microcavity provided between the first and second substrates for accommodating droplets. The microfluidic device further includes at least one ultrasonic layer provided between the first and second substrates. The at least one ultrasonic layer includes a plurality of ultrasonic sensors configured to perform at least one of detection operation and driving operation to the droplets accommodated in the microcavity.

Microfluidic device, driving method thereof, and microfluidic system

Embodiments of the present disclosure provide an array substrate, a display device and a spatial positioning method of a display device. The display device includes a base substrate, a pixel layer arranged at a side of the base substrate, a light source structure having a same light exit direction as the pixel layer, a processing element. The light source structure emits collimation invisible light, the pixel layer includes a plurality of sub-pixels and at least one sensing pixel arranged between the sub-pixels, the at least one sensing pixel receives reflected light of the collimation invisible light emitted by the light source structure and reflected by an object to be positioned, the processing element is coupled with the sensing pixel and the light source structure, a distance from the object to the display device is calculated according to relevant data information of the collimation invisible light and the reflected light.

Array substrate, display device and spatial positioning method of display device

A detection circuit, a skin print recognition device and a method for driving a detection circuit are disclosed. The detection circuit includes a photosensitive element, a switching sub-circuit and a charge releasing sub-circuit. The photosensitive element is electrically coupled to the switching sub-circuit and the charge releasing sub-circuit, and is configured to convert a received optical signal into an electrical signal, the switching sub-circuit is configured to output the electrical signal, and the charge releasing sub-circuit is configured to release charges in the photosensitive element after the switching sub-circuit outputs the electrical signal.

Detection circuit, skin print recognition device and driving method

A fingerprint identification module is provided. The fingerprint identification module includes: a base substrate, a first conductive layer, and a third conductive layer that are laminated sequentially. The first conductive layer includes a first signal line and a second signal line, wherein the first signal line extends along a first direction and is connected to a gate of a reset transistor in a pixel sensing circuit, and the second signal line extends along the first direction and is connected to a gate of a switch transistor in the pixel sensing circuit. The third conductive layer includes a first conductive portion configured to form a first electrode of a photodiode in the pixel sensing circuit, wherein an orthographic projection of the first conductive portion on the base substrate does not overlap with orthographic projections of the first signal line and the second signal line on the base substrate.

Fingerprint identification module, display panel and display device

A panel for fingerprint identification and a control method thereof, and an apparatus for fingerprint identification. The panel for fingerprint identification includes: a display unit, a control unit, a unit for adjusting light transmittance and a unit for fingerprint identification which are disposed on a backlight side of the display unit, wherein an operating state of the panel for fingerprint identification includes: a display stage and a fingerprint identification stage. At the display stage, the display unit is configured to emit first light to display an image to be displayed, the unit for adjusting light transmittance is configured to transmit light transmitted through the display unit, and the control unit is connected with the unit for adjusting light transmittance and is configured to control the light transmittance of the unit for adjusting light transmittance.

Panel for fingerprint identification, and control method thereof, and apparatus for fingerprint identification

A microfluidic circuit includes a detection capacitor, having a first terminal and a second terminal that are spaced apart from one another to thereby form a space therebetween. The circuit is configured to detect a droplet present in the space by detecting a change of a capacitance value of the detection capacitor caused by a change of a dielectric constant between the first terminal and the second terminal, and to drive a formation of an electrical field formed using at least one of the first terminal and the second terminal of the detection capacitor to thereby drive the droplet to move in the electrical field.

Microfluidic detection circuit and driving method thereof, and microfluidic apparatus

The present disclosure discloses a pixel detecting circuit, a method for driving the same, and a touch display panel. The pixel detecting circuit includes: a plurality of pixel detecting modules arranged in an array; and at least one reading line, wherein each of the reading line is connected to a group of pixel detecting modules, and each group of pixel detecting modules comprises at least two columns of pixel detecting modules; wherein a number of pixel detecting modules included in each group of pixel detecting modules are respectively connected to different control signal terminals, and configured to transmit, under driving of control signals outputted from the different control signal terminals, electrical signals to the connected reading line in any one of a time dividing manner and a frequency dividing manner.

Pixel detecting circuit, method for driving the same, and touch display panel

An imaging backplane, a driving method thereof and a fingerprint identification panel are provided, the imaging backplane includes M rows and N columns of imaging structures, 2M rows of first signal lines, 2N columns of second signal lines, a first reset sub-circuit and a second reset sub-circuit; wherein each imaging structure includes a first imaging unit and a second imaging unit; the first imaging unit of the imaging structure of row i and column j is connected with the first signal line of row-and the second signal line of column-respectively, and the second imaging unit of the imaging structure of row i and column j is connected with the first signal line of rowand the second signal line of columnrespectively.

Imaging backplane, driving method thereof and fingerprint identification panel

A display panel has a light-exit side and a non-light-exit side opposite to the light-exit side. A direction pointing to the non-light-exit side from the light-exit side is a first direction. In the first direction, the display panel includes a coded aperture mask layer and an optical sensing layer. The coded aperture mask layer includes a plurality of first light-transmission portions and a plurality of first light-shielding portions. The coded aperture mask layer is configured to form at least one part of a coded aperture array. The optical sensing layer includes a plurality of optical sensors. The optical sensing layer is configured to receive texture recognition light passed through the coded aperture array and convert optical signals of the texture recognition light into electrical signals. The texture recognition light is light carrying information about a texture to be recognized.

Display panel, display apparatus, texture recognition method and electronic device

A display panel capable of capturing an image of an object over a light-entering surface thereof includes a displaying array, a light valve array, and an imaging array, which are sequentially below the light-entering surface. The light valve array includes a plurality of light valve portions and can form a plurality of first mask patterns, and at least two first mask patterns are configured to be different. The displaying array includes a plurality of displaying pixels and can form a second mask pattern. The imaging array includes a plurality of imaging pixels and can generate an intermediate image upon receiving lights from the object and transmitting through the second mask pattern in the displaying array and at least one of the plurality of first mask patterns in the light valve array. The image of the object can then be deduced from the intermediate image.

Display panel, display apparatus, imaging method, and depth detection method

A texture image acquisition circuit, a display panel and a texture image acquisition method. The texture image acquisition circuit includes a charge neutralization circuit and a first acquisition circuit, the charge neutralization circuit is electrically connected to the first acquisition circuit, the charge neutralization circuit receives a first control signal to cause a current flowing through the first acquisition circuit to be a first current, and the charge neutralization circuit is configured to receive a second control signal to cause a current flowing through the first acquisition circuit to be a second current, a direction of the second current and a direction of the first current are opposite to each other; the first acquisition circuit is configured to receive light from a texture and accumulate a first signal amount that is acquired after the light from the texture is converted, so as to acquire a first acquisition value.

Growing community of inventors

Beijing, China

Jiabin Wang