Boe Technology Group Co., Ltd.

China University of Petroleum

Boe Technologies Group Co., Ltd.

Beijing Shida Rongzhi Sci. and Tech. Ltd. Co.

Beijing Shida Rongzhi Science & Technology Ltd Co.

Wenhao Tian

Lei Wang

Xuan Feng

Yunke Qin

Yapeng Li

Ping Zhang

Xin Fang

Yangbing Li

Wei Fang

Chengfu Xu

Jirui Zou

Xiang'an Yue

Weiqing An

Xuegang Feng

Yue Tong

Jiabin Wang

Jingjing Zhang

Yuanyuan Ma

Lijuan Zhang

Youjun Fu

Junbin Zhang

Jueshun Zhao

Bin Kong

Shengxu Zhao

An eye movement tracking device includes: a light source located at the light-emitting side of the display module and configured for providing a first light ray for irradiating an eye; a plurality of photoelectric sensing elements arranged in a non-display region of the display module and configured for receiving a second light ray to determine a position of a pupil of the eye; an optical structure located between the optical lens and the display module, including a plurality of optical transparent areas in one-to-one correspondence to the plurality of photoelectric sensing elements, each of the optical transparent areas being configured for transmitting the second light ray to a corresponding photoelectric sensing element; the second light ray being a light ray which passes through a center point of the optical lens after the first light ray is reflected back by the eye. An eye movement tracking method is also disclosed.

Eye movement tracking device and eye movement tracking method

Provided is a wearable display device. The wearable display device includes: a display panel, comprising a display region and a peripheral region surrounding the display region; a first light-emitting element, configured to emit light to be irradiated to eyes of a user; a plurality of photoelectric sensor assemblies in the peripheral region; a first polarizer layer, disposed on a light-emitting side of the first light-emitting element; and a second polarizer layer, disposed on a side, distal from the display panel, of the photoelectric sensor assembly, a polarization direction of the second polarizer layer being intersected with a polarization direction of the first polarizer layer.

Wearable display device and method for determining gaze position

Provided is a wearable display device. The wearable display device includes a display panel, comprising a display region and a peripheral region surrounding the display region; a plurality of light-emitting elements, configured to emit light to be irradiated to eyes of a user; a lens assembly, disposed on a light-exiting side of the display panel, the lens assembly comprising a lens mount and a lens within the lens mount, a light transmittance of the lens mount being greater than a threshold; and a plurality of photoelectric sensor assemblies in the peripheral region.

Wearable display device

This disclosure provides an array substrate, including: a display region and a peripheral region. The peripheral region includes at least one first sensor. The first sensor includes a photodiode and a driving circuit which are electrically connected to each other. The photodiode includes: an anode, a cathode and a photosensitive material layer. The array substrate includes: a base substrate, a plurality of thin film transistors, a common electrode and a pixel electrode. The common electrode is reused as an anode of the photodiode. The pixel electrode is reused as a cathode of the photodiode. One of the plurality of thin film transistors is reused as a first transistor of the driving circuit.

Array substrate, display substrate and display device

Provided is a wearable display module including a display panel, a plurality of light-emitting elements, a plurality of photoelectric sensor assemblies, and an optical structure. The display panel includes a display region and a peripheral region surrounding the display region. The light-emitting elements are configured to emit light to be irradiated to eyes of a user. The photoelectric sensor assemblies are disposed in the peripheral region, each of the photoelectric sensor assemblies being configured to receive optical signals reflected via the eyes of the user, and convert the optical signals into electric signals. The optical structure is disposed on a side of the photoelectric sensor assembly, and the optical structure includes a light shielding region and a plurality of light transmitting regions, wherein each of the light-transmitting regions at least is configured to transmit the optical signal to a photoelectric sensor assembly corresponding to the light transmitting regions.

Wearable display device and method for determining gaze positions

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

The present application provides an apparatus and a method for measuring apparent permeability of a tight rock core, the apparatus comprises: a rock core holder, a first high-pressure injection pump, a second high-pressure injection pump, a micro-differential pressure meter, a micro-flow meter, a first pressure control unit, a second pressure control unit, a first valve, a second valve, a third valve, and a fourth valve; the first pressure control unit comprises: a first pressure-resistant piston container and a second pressure-resistant piston container, both of which are divided into an upper cavity and a lower cavity by a piston, the upper cavities of the first pressure-resistant piston container and the second pressure-resistant piston container are filled with gases and communicate with each other, and the lower cavity of the first pressure-resistant piston container is filled with pump pressure-transmission liquids, and the lower cavity of the second pressure-resistant piston container is filled with experimental fluids.

Apparatus and method for measuring apparent permeability of tight rock core

A high-temperature, high-pressure, and low-velocity gas microtube viscosity measuring apparatus that comprises a thermotank, a fluid filtering and measuring device, a micro-pressure difference metering device, and a data acquisition and processing system. The fluid filtering and measuring device includes a filter, a microtube connector, a flow rate measuring liquid storage tank, an automatic micro-flow rate metering device, and an intermediate container connected in series via pipelines. The micro-pressure difference metering device is connected at two ends to pipelines at the two ends of the microtube connector via detection pipelines. The data acquisition and processing system is electrically connected to the micro-pressure difference metering device and the automatic micro-flow rate metering device to receive pressure difference data and flow rate data.

High-temperature, high-pressure, and low-velocity gas microtube viscosity measuring apparatus and measuring method thereof

A high pressure dynamic micro differential pressure gauge, and methods for using and checking the same. The high pressure dynamic micro differential pressure gauge comprises a set of vertical manometer tubes in communication with each other, where one or more manometer tubes are connected to a resistance meter through signal lines, and the resistance meter is connected to a data collection and processing control system. Each manometer tube is full of low conductivity buffer liquid and high conductivity manometric liquid. The resistance meter is configured to measure resistances in the one or more manometer tubes, and the data collection and processing control system is configured to convert the resistances measured by the resistance meter into a differential pressure.

High pressure dynamic micro differential pressure gauge, and methods for using and checking the same

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Beijing, China

Wenhao Tian