Boe Technology Group Co., Ltd.

Chengdu Boe Optoelectronics Technology Co., Ltd.

Dynadx Corporation

Bgrimm Technology Group

Baidu.com, Inc.

Bgrimm Advanced Materials Science & Technology Co., Ltd.

Dan Guo

Ling Shi

Zhenhua Zhang

Yipeng Chen

Ke Liu

Xuewei Tian

Shuo Li

Rui Guo

Shuai Wang

Yue Liu

Tong Liu

Chao Wu

Chuang Wang

Zhu Wang

Yao Hu

Hui Lu

Peng Hou

Jianming Liu

Jiandong Bao

Zhenglong Yan

Zhan Wang

Jianguo Liu

Hongbo Zhu

Yanyang Shang

Changchang Liu

Hongcheng Gao

Sheng Guo

Yanhong Li

Yanhui Liu

ZiZheng Liu

Jiwei Wang

Limin Zhou

Xiaoliang Lu

Yueguang Yu

Yinghui Cai

Lingfeng Huang

Youchun Chen

Jie Yuan

Wenkai Yang

A display substrate and a display device are disclosed, and the display substrate has a plurality of sub-pixels, and includes a base substrate, a driving circuit layer, a pixel definition layer and a light-emitting device layer, and a black matrix layer. Each sub-pixel includes a pixel driving circuit in the driving circuit layer and a light-emitting device in the light-emitting device layer. The black matrix layer includes a plurality of first light-transmitting openings respectively exposing the light-emitting devices of the plurality of sub-pixels in a direction perpendicular to a surface of the base substrate. The pixel definition layer includes a plurality of sub-pixel openings, at least part of the plurality of sub-pixel openings are in one-to-one correspondence with and at least partially overlapped with the plurality of first light-transmitting openings, and at least one of the plurality of first light-transmitting openings has an arc-shaped edge.

Display substrate and display device

A display substrate includes a first wiring region () and a second wiring region (), wherein the first wiring region () is provided with at least one first wiring () and a light emitting device, the second wiring region () is provided with at least one second wiring () and a light emitting device, and the light emitting device at least includes an anode (). The first wiring region () further includes at least one first compensation line (), an orthographic projection of the at least one anode () in the plane of the display substrate at least partially overlaps with an orthographic projection of the first compensation line () in the plane of the display substrate.

Display substrate, preparation method thereof, and display apparatus

A display substrate is provided, including: a base substrate and a plurality of sub-pixels disposed on the base substrate. Each sub-pixel includes a pixel driving circuit, and the pixel driving circuit includes a writing transistor, a compensation transistor, a first reset transistor, and a storage capacitor. The display substrate includes a semiconductor layer, a first conductive layer and a second conductive layer disposed in sequence on the base substrate. Gates of the writing transistor, the compensation transistor and the first reset transistor are in the first conductive layer and are implemented as an integral structure. Active layers of the writing transistor, the compensation transistor and the first reset transistor are in the semiconductor layer. A first storage capacitor electrode of the storage capacitor is in the first conductive layer, and a second storage capacitor electrode of the storage capacitor is in the second conductive layer.

Display substrate, display panel and display apparatus

A titanium alloy blade tip with a wear-resistant protective coating and a preparation method thereof are provided. The method includes: (1) spraying MCrAlY alloy powder on a surface of a titanium alloy blade tip by high velocity oxygen fuel (HVOF) spraying at a spraying distance of 300-400 mm to obtain the titanium alloy blade tip with a MCrAlY layer on the surface; where M is one of Ni and NiCo; (2) pre-plating Ni at a current density of 4-10 A/dm; (3) placing the pre-plated titanium alloy blade tip in a Watt solution, covering a surface of the pre-plated titanium alloy blade tip obtained in the step (2) with abrasive particles, and then performing composite electroplating at a current density of 0.5-2 A/dm. In the method, the wear-resistant protective coating with the high adhesion strength is prepared on the titanium alloy blade tip, and the wear-resistant protective coating has good wear resistance.

Titanium alloy blade tip with high adhesion strength and wear-resistant protective coating and preparation method thereof

A display substrate, a display panel and a display apparatus are provided. The display substrate includes: a first display region and a second display region, and a light transmittance of the first display region is greater than a light transmittance of the second display region. The display substrate includes: a base substrate; and a plurality of sub-pixels arranged on the base substrate and located in the first display region. The sub-pixel includes a first pixel driving circuit and a first light-emitting device. The first pixel driving circuit is electrically connected to the first light-emitting device and configured to drive the first light-emitting device to emit light. The pixel driving circuit includes a storage capacitor and a plurality of transistors, and the storage capacitor and the plurality of transistors included in the first pixel driving circuit are located in the first display region.

A method for quantitative sleep characterization includes acquiring a surface electroencephologram (surf-EEG) signal from an individual by a probe, decomposing the surf-EEG signal into a plurality of intrinsic mode functions (IMFs) by a computer processor in communication with the probe, wherein the plurality of IMFs comprises a first group of IMFs and a second group of IMFs, calculating a ratio comprising an amplitude or power of at least one of the IMFs in the first group in the numerator and a corresponding amplitude or power of at least one of the IMFs in the second group in the denominator; and identifying a period in the surf-EEG waveform as slow wave sleep (SWS) if the ratio associated with the period is above a predetermined threshold.

Systems and methods for quantitatively characterizing slow wave activities and states in sleep

Method and system for retrieving advertisement information. Information characterizing a user's past search behavior is utilized in creating index data that associate individual users to advertisements. When a search request from a user is received, the index data are utilized to identify one or more advertisements with respect to the received user's search request. Such identified advertisements match the user's past search behavior.

Method and system for retrieving advertisement information

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Beijing, China

Dan Guo