Beijing Boe Optoelectronics Technology Co., Ltd.

Boe Technology Group Co., Ltd.

On-bright Electronics (shanghai) Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Nuctech Company Limited

Autodesk, Inc.

Analog Devices Global

International Business Machines Corporation

Huawei Technologies Co., Limited

Shanghai Sensetime Intelligent Technology Co., Ltd

Alcatel Lucent

Tsinghua University

Beijing Xiaomi Mobile Software Co., Ltd.

Beijing Bytedance Network Technology Co., Ltd.

Shanghaitech University

Ke Zhao Li

Hao Zhang

Chenru Wang

Ruijun Dong

Yali Liu

Lili Chen

Liqiang Zhu

Xuebing Zhang

Yulong Wu

Zhuoyan Li

Jiarong Bai

Na Han

Zhanshan Ma

Weifeng Yu

Xuejing Yang

Shi-Qing Xin

Ying-Guo Zhang

Xue Dong

Shangmin Sun

Yu Hu

Wenhong Tian

Qian Fang

Chendi Yu

Renbo Qin

Zhilin Fan

Youai Yu

De Meng

Wei Wang

Zhiqiang Chen

Li Ni Zhang

Yu Wang

Yuanjing Li

Jian Qiao Sun

Ningning Li

Jing Li

Lei Liu

Kejun Kang

Hao Wu

Jianmin Li

Wenyu Li

Lei Zhang

Yuan Gao

Ziqiang Guo

Yulan Li

Lin Lin

Jiyang Shao

Li Qian

Feng Zi

Bo Yan

Yakun Wang

Chunguang Zong

Ning Zhang

Jun Ma

Ye Qing Chen

Binhua Sun

Bingxin Liu

Yuhong Liu

Yao Zhou

Yinwei Chen

Jing Jiang

Dan Dan Wang

Zhiyu Sun

Yadong Ding

Yanwei Xu

Dongyu Wang

Haoran Jing

Chunfeng Yao

Yongjie Gong

Zheng Ge

Yijie Li

Jingyu Gu

Xuping Fan

Junping Shi

Bailan Feng

Shu Xi Wei

Ning Ding

Zerui Jiang

Ruo Meng Hao

Danqing Liu

Chao Zhong

Defang Meng

Zhenyu Zhong

Junjie Miao

Belle Xiaohong Wang

Yongmei Li

Qiong Li

Dongdong Wang

Jincai Su

Bahetiyaer Bare

Zhilong Cheng

Xinjun Zhang

Chunsheng Lv

Kuo Tang

Qijia Lou

Xueting Shao

Zengguang Yan

Guanlin Guo

Quanli Liu

Yingfeng Li

An AR optical system includes a depth-of-field separation structure corresponding to an image source, configured to convert light rays emitted from the image source into a plurality of light beams with different depths of field; a convergent lens located on an emergent light path of the depth-of-field separation structure, and configured to receive and shape the plurality of light beams with different depths of field; a first semi-transmitting semi-reflecting mirror located on a side, away from the depth-of-field separation structure, of the convergent lens, and configured to reflect the plurality of shaped light beams with different depths of field towards a set direction; a concave mirror having a preset transmission-reflection ratio configured to reflect and converge the plurality of light beams with different depths of field and then make the light beam incident to a set observation position after passing through the first semi-transmitting semi-reflecting mirror.

AR optical system and AR display device

A near-eye display apparatus is disclosed. The near-eye display apparatus includes a lens and an optical path folding assembly. The lens is configured to receive incident light of a first image, which is projected by a micro-display, and shape the first image; the lens includes a primary optical axis and a first lens face and a second lens face which are opposed in a first direction where the primary optical axis of the lens is positioned, a curvature radius of the first lens face is within a range of 70 to 100 millimeters, and a curvature radius of the second lens face is within a range of 10 to 30 millimeters; and the optical path folding assembly is configured to receive light of the first image shaped by the lens and fold an optical path from the lens to an exit pupil of the near-eye display apparatus.

Optical device and near-eye display apparatus

An information display method and apparatus, and a device and a storage medium are provided. The information display method includes: when a first trigger operation for a target live broadcast room is detected, displaying a video playing page of a target live broadcast room, where a comment area is set on the video playing interface; displaying live broadcast room introduction information of the target live broadcast room at a first information display position of the comment area; and where a display duration of the live broadcast room introduction information reaches a target duration, hiding the live broadcast room introduction information. Thus, the effective permeability of video live broadcast content of a live broadcast room can be improved, thereby improving the user experience.

Information display method and apparatus, and device and storage medium

System and method for controlling a bleeder current to increase a power factor of an LED lighting system without any TRIAC dimmer. For example, the system for controlling a bleeder current to increase a power factor of an LED lighting system without any TRIAC dimmer includes: a first current controller configured to receive a rectified voltage generated by a rectifier that directly receives an AC input voltage without through any TRIAC dimmer; and a second current controller configured to: control a light emitting diode current flowing through one or more light emitting diodes that receive the rectified voltage not clipped by any TRIAC dimmer; and generate a sensing voltage based at least in part upon the light emitting diode current, the sensing voltage representing the light emitting diode current in magnitude.

Systems and methods for controlling power factors of led lighting systems

A material fabrication method comprises (a) fabricating a structure from a programmable amyloid material (PAM) ink comprising an amyloid monomer stabilized in a liquid solvent; and (b) contacting the structure with an agent which triggers polymerization of the amyloid monomer and stabilization of the structure.

Amyloid-based fundamental building material with integrated genetically programmable functionality

A comprehensive system for potential risk identification and pollution prewarning of groundwater comprises a cable laying device, a monitoring cable, and an electromagnetic retrieving device which are located in groundwater between two adjacent wells, wherein the two adjacent wells comprise a first well and a second well, the second well is located at a lower water level of the first well and communicates with the first well, the electromagnetic retrieving device is located in the second well, a plurality of sensors are arranged on the monitoring cable, and one end of the monitoring cable is connected to the cable laying device. The cable laying device comprises a device body, an anchoring module arranged at a bottom of the device body, and an electromagnetic adsorption module arranged on the device body. The monitoring cable is connected to the cable laying device after passing through the anchoring module.

Comprehensive system for potential risk identification and pollution prewarning of groundwater

A display device includes: an optical waveguide comprising an optical waveguide body and a light outputting section disposed on the optical waveguide body; M lens assemblies disposed adjacent to an end of the optical waveguide body, wherein at least two lens assemblies of the M lens assemblies have different focal lengths, and M is a natural number greater than one; and M display screens corresponding to the M lens assemblies in one-to-one correspondence, each of the M display screens configured to emit light with image information through a corresponding lens assembly to the optical waveguide body for transmission; wherein the light outputting section is configured to output the light from the M display screens out of the optical waveguide body for imaging, the light from the M display screens form M images, respectively, and at least two images of the M images have different image distances.

Display device

Provided is a rotating shaft mechanism of an electronic device. A first fixing assembly and a second fixing assembly in the rotating shaft mechanism are connected to each other by a first connector and a second connector. A hollow region can be reserved in the rotating shaft mechanism as the first connector and the second connector may be shorter. Thus, an external circuit of the electronic device can pass through the hollow region and be disposed in a second body of the electronic device. An electronic device are also provided.

Electronic device and rotating shaft mechanism thereof

System and method for controlling one or more light emitting diodes. For example, the system includes: a power supply controller configured to receive a cathode voltage from a cathode of a diode, the diode including an anode configured to receive a rectified voltage generated by a rectifying bridge, the power supply controller being further configured to generate a first signal based at least in part on the cathode voltage; and a driver configured to receive the first signal and generate a second signal based at least in part on the first signal, the driver being further configured to output the second signal to a gate terminal of a transistor, the transistor including a source terminal coupled to the driver and a first resistor, the transistor further including a drain terminal coupled to the one or more light emitting diodes and an output capacitor connected to the cathode of the diode.

Systems and methods for providing power supply to current controllers associated with LED lighting

A displaying device, a device and method for generating data, and a displaying system. The displaying device includes a displaying screen, a driving assembly, a rotating assembly and a controlling assembly; a rotation shaft of the displaying screen is parallel to a light-exiting face of a display panel; the displaying screen includes a display panel and an optical assembly; a light ray emitted by the display panel includes an emergent light located in a reference plane, and the reference plane is perpendicular to the light-exiting face of the display panel and the rotation shaft of the displaying screen; the optical assembly is configured for adjusting the emergent light located in the reference plane into a collimated light perpendicular to the light-exiting face of the display panel; the rotating assembly is configured for driving the driving assembly to rotate; and the controlling assembly is electrically connected to the displaying screen.

Displaying device, device and method for generating data, and displaying system

A system may include a cluster and a module of the cluster. The module may include a user resource definition and a catalog server. The catalog server may maintain a configuration of the cluster.

Open-source container cluster hot plug adapter

A display system based on a four-dimensional light field, and a display method therefor. The display system includes: a light source module (), a display panel (), and a light conduction component (), wherein the light source module () includes a plurality of light sources arranged in an array; and the display panel () is a reflective liquid crystal display panel, and the display panel () includes a plurality of pixel units arranged in an array. Light emitted by the light sources in the light source module () irradiates the pixel units in the display panel (); and the pixel units in the display panel () transmit the received light to a target position by means of the light conduction component ().

Display system based on four-dimensional light field, and display method therefor

The disclosure discloses a near-to-eye display device, including: a first display screen, a first imaging lens, a second display screen, a second imaging lens and a waveguide. The first display screen provides a first image and the first image enters the waveguide through the first imaging lens. The second display screen provides a second image, the second image enters the waveguide through the second imaging lens. Imaging light rays from the first imaging lens and the second imaging lens can emit towards a light-emitting surface of the waveguide via a light taking part, and enter the human eyes.

Near-to-eye display device

System and method for controlling one or more light emitting diodes. For example, the system includes: a voltage detector configured to receive a rectified voltage associated with a TRIAC dimmer and generated by a rectifying bridge and generate a first sensing signal representing the rectified voltage; a distortion detector configured to receive the first sensing signal, determine whether the rectified voltage is distorted or not based at least in part on the first sensing signal, and generate a distortion detection signal indicating whether the rectified voltage is distorted or not; and a phase detector configured to receive the first sensing signal and generate a phase detection signal indicating a detected phase range within which the TRIAC dimmer is in a conduction state based at least in part on the first sensing signal.

Systems and methods for dimming control related to TRIAC dimmers associated with LED lighting

The present disclosure provides an optical display system and method, and a display device. The optical display system includes: a display screen; a light split member configured to split light from the display screen into a first polarized light and a second polarized light with different polarization directions; a first optical waveguide configured to guide the first polarized light to a light exit side of the optical display system; and a second optical waveguide located at a light exit side of the first optical waveguide, spaced apart from the first optical waveguide, and configured to at least partially transmit the first polarized light and guide the second polarized light to the light exit side of the optical display system.

Optical display system having optical waveguides for guiding polarized lights and method, and display device having the same

Growing community of inventors

Shanghai, China

Ke Zhao Li