Boe Technology Group Co., Ltd.

Ricoh Company, Ltd.

International Business Machines Corporation

Microsoft Technology Licensing, LLC

Other

Nokia Technologies Oy

Huawei Technologies Co., Limited

Vmware, Inc.

Nokia Corporation

Samsung Electronics Co., Ltd.

Intel Corporation

General Electric Company

Robert Bosch G.m.b.h.

Telefonaktiebolaget Lm Ericsson (publ)

Oracle International Corporation

Wei Wang

Xiaochuan Chen

Jian Gao

Yi Zhang

Yu Wang

Xue Dong

Wenqing Zhao

Qian Wang

Hao Zhang

Wei Sun

Yi Wang

Pengcheng Lu

Bo Lin

Haisheng Wang

Bo Gao

Dong Chen

Ming Yang

Zhen Liu

Lei Wang

Lei Zhang

Peng Liu

Zhiqiang Chen

Yan Li

Yuanjing Li

Shuo Li

Tao Wang

Xin Li

Jian Qiao Sun

Xin Zhang

Feng Zhang

Yingming Liu

Shengji Yang

Xiaoliang Ding

Yu Zhang

Jing Wang

Li Ni Zhang

Jian Zhang

Xin Wang

Haiming Wang

Li Wang

Rui Li Xu

Yu-Chong Tai

Pengpeng Wang

Qi Yao

Chao Li

Guangcai Yuan

Ying Wang

Jifeng Tan

Xiandong Meng

Xianqin Meng

Can Wang

Can Zhang

Shun Zhang

Jie Zhang

Lingyun Shi

Yi Bin Wang

Tingliang Liu

Ming Liu

Chunping Long

Jun Zhang

Fei Wang

Dacheng Zhang

Yue Li

Xin Peng Liu

Jian Li

Jing Li

Xiaobo Wang

Xin Zhou

Shi Shu

Yang Zhou

Jing Lv

Hai Feng Wang

Qi Liu

Jun Yan

Young Lee

Qingjun Zhang

Bo Zhang

Kun Wang

Xi Chen

Qingyu Miao

Kun Li

Jie Ma

Tao Chen

Ming Zhou

Wei Wei

Fei Yang

Qian Zhang

Dan Wang

Jie Chen

Jian Xu

Yaohong Liu

Jing Liu

Han Yue

Zhen Wang

Jing Yu

Lei Guo

Lei Liu

Chuncheng Che

Lijun Zhao

Provided is a method for evaluating video quality, an electronic device and a storage medium, relating to the field of computer technology, and in particular, to the field of artificial intelligence, cloud computing, computer vision and deep learning technologies. The method includes: determining a plurality of video frames containing a target object in a target video; obtaining HSL data of an image area corresponding to the target object in the plurality of video frames; and evaluating a quality of the target video according to the HSL data.

Method for evaluating video quality, electronic device, and storage medium

A touch control structure, a touch display panel and an electronic device are provided. The touch control structure includes a first metal layer, an insulation layer and a second metal layer that are sequentially stacked on the base substrate, the touch control structure is divided into a touch region and a peripheral region surrounding the touch region, and the peripheral region includes a first detection line and a second detection line that are sequentially arranged and spaced apart from each other along the direction from the touch region to the peripheral region; the first detection line is in the second metal layer, and the overlapping part of the second detection line is in the first metal layer; the first end of the second detection line includes a first detection part in the second metal layer and a second detection part in the first metal layer.

Touch control structure, touch display panel and electronic device

A touch control structure includes a plurality of touch signal lines in a peripheral area. A respective touch signal line includes a double-layer structure in a double-layer region and a single-layer structure in a single-layer region. The peripheral area includes a first sub-area on a first side, a second sub-area on a second side, a third sub-area on a third side, a fourth sub-area on a fourth side, of the touch control area. The first sub-area includes a side region, and one or more corner regions. The double-layer region and the single-layer region are in the first sub-area, the first sub-area has a first shortest width along a direction from the touch control area to the first sub-area, the first shortest width is greater than a shortest width of at least one of sub-areas of the peripheral area other than the first sub-area.

Touch control structure and display apparatus with signal lines in double and single layer structures in sub-areas of the peripheral area

The composite heat dissipation structure includes a grid tape, a buffer layer and a ferrite layer that are stacked in sequence, and a flexible printed circuit board arranged at one side of the ferrite layer facing the grid tape. The flexible printed circuit board includes a substrate and a conductive layer on at least one side of the substrate. The conductive layer has a heat dissipation pattern and a communication antenna pattern, and an orthographic projection of the heat dissipation pattern on the substrate and an orthographic projection of the communication antenna pattern on the substrate do not overlap each other.

Composite heat dissipation structure and display apparatus

Provided are an odor sniffing device () and a vehicle-mounted security inspection apparatus for a container (). The odor sniffing device () includes a primary sampling front end (), which has a vent adapter (-) having a shape matching with a vent of the ventilator of the container, so that when the primary sampling front end () fits with the ventilator, the vent adapter (-) and the vent generally cooperate to achieve fluid communication. The vehicle-mounted security inspection apparatus () may perform imaging inspection and chemical inspection simultaneously.

Odor sniffing device and vehicle-mounted security inspection apparatus for container

The present disclosure discloses a display apparatus and a control method thereof. The display apparatus includes: a display panel, a first flexible circuit board and a main control panel. The main control panel is electrically connected with the display panel through the first flexible circuit board, and the first flexible circuit board is arranged on a back surface of the display panel. The display apparatus further includes: a second flexible circuit board, including a base material layer and a plurality of antenna coils arranged on a side of the base material layer, and each antenna coil corresponds to a detection region; and a near field communication circuit, located on a circuit board different from the second flexible circuit board, wherein the near field communication circuit selects one of the plurality of antenna coils for use at the same moment.

Display apparatus and control method thereof

A display panel includes: a display substrate, a first barrier wall surrounding a display area, a blocking portion between the first barrier wall and the display area, a first encapsulation layer covering at least the display area, and touch wires. The blocking portion at least partially surrounds the display area. The first encapsulation layer includes a first surface, a second surface and a transition surface located therebetween. On the display substrate, orthographic projections of the touch wires at least partially overlap with an orthographic projection of the second surface; and at least a portion of an orthographic projection of the transition surface is located in a region between a border, away from the display area, of an orthographic projection of the blocking portion and the display substrate and an orthographic projection of an edge of the first surface on the display substrate farthest away from the display area.

Display panel and display apparatus

Provided in the present disclosure are a display substrate and display apparatus. The display substrate comprises: a base substrate, comprising a display area and a non-display area around the display area; a blocking dam, located in the non-display area and arranged surrounding the display area; multiple touch-control lines, located in the non-display area, at least some touch-control lines comprise conductive winding portions, such that resistances of the touch-control lines are substantially same; an orthographic projection of a conductive winding portion on the base substrate is between an orthographic projection of the blocking dam on the base substrate and the display area; the at least some touch-control lines comprise multiple first touch-control lines and second touch-control lines, the conductive winding portion of each first touch-control line is arranged in an independent winding manner, conductive winding portions of all the second touch-control lines are arranged in a mutually nested winding manner.

Display substrate and display apparatus

A display substrate is provided, including: a base substrate including at least pixel and hole areas; sub-pixels arranged on the base substrate and in the pixel area; a hole in the hole area; a first barrier dam between the sub-pixels and the hole and at least partially surrounding the hole; a functional film layer, an organic material layer and an encapsulating structure sequentially arranged on the display substrate in a direction away from the base substrate, an orthographic projection of the organic material layer on the base substrate falling within the pixel area, the organic material layer including at least one film layer; and a filling structure, at least a portion of which is arranged between the hole and the first barrier dam. The filling structure and the at least one film layer of the organic material layer are in the same layer and include the same material.

Display substrate and display device

A light emitting substrate is provided. The light emitting substrate includes a light source; a first light modulation layer having a first micro structure on a side closer to the light source; and a second light modulation layer having a second micro structure on a side away from the light source.

Light emitting substrate and virtual display apparatus

A touch control structure, a touch display panel and an electronic device are provided. The touch control structure includes: a first metal layer and a second metal layer stacked on the base substrate, an insulating layer between the first metal layer and the second metal layer, the first metal layer includes a plurality of first touch sub-electrodes arranged along a first direction and spaced apart from each other, a plurality of second touch sub-electrodes and a plurality of connection electrodes which are arranged along a second direction, the plurality of first touch sub-electrodes and the plurality of second touch sub-electrodes are spaced apart from each other; the second metal layer includes a plurality of bridge electrodes spaced apart from each other, each of the plurality of bridge electrodes is electrically connected with two adjacent first touch sub-electrodes through a plurality of via structures in the insulating layer.

A display substrate and a display device are disclosed. The display substrate includes: a base substrate including a display area and a frame area surrounding the display area; a group of first touch lines located in the frame area on one side of the display area; an insulation layer on a side of a layer where the group of first touch lines is located away from the base substrate; and a shielding structure on a side of the insulating layer away from the layer where the group of first touch lines is located, the shielding structure being located in the frame area on one side of the display area. In a same frame area, an orthographic projection of the shielding structure on the base substrate overlaps with an orthographic projection of part of the plurality of first touch lines on the base substrate.

The present disclosure belongs to the technical field of value-added urea preparation, and specifically relates to a two-component foam inhibitor and a preparation method thereof, and a method for reducing foaming in production of urea humate. In the present disclosure, a foam control agent in the two-component foam inhibitor lowers a pH value of a humate solution to reduce the production of ammonia in a urea melt, and can avoid condensation of the humate solution caused by lowering the pH value and a difficulty in adding the humate solution to the urea melt. A suspension adsorbent in the two-component foam inhibitor can adsorb free ammonia in the urea melt and ammonia generated after adding the humate solution. In summary, the two-component foam inhibitor can effectively reduce a foaming reaction during production of the urea humate, avoid powdering of urea humate particles, and improve a production efficiency.

Two-component foam inhibitor and preparation method, and method for reducing foaming in production of urea humate

The invention discloses a calculation method and device for elliptic curve digital signature to resist memory disclosure attacks aiming signing private keys, which belongs to the field of cryptography technology. The method described in the invention includes the following steps. During initialization phase happened in a trusted environment, the key of symmetric cryptographic algorithm is used to encrypt the random number k1 and the private key used for signing, the scalar multiplication k1×G is calculated. At each signing phase, the plaintext data used to calculate s is calculated based on the selected signature algorithm and the value of scalar multiplication k1×G. The plaintext data used to calculate s include r or the data calculated based on r. Inside registers, s is calculated based on the above plaintext data and the ciphertext of random number k1 and the ciphertext of the private key. The signature of the message is (r, s). The invention ensures that operations executed in memory will not expose any information related to the private key and the random number because calculations involve sensitive data are executed inside registers. The invention also reduces performance overhead, improves compatibility and scalability, and has a wide range of application.

Calculation method and device for elliptic curve digital signature to resist memory disclosure attacks

A display substrate includes a base substrate, touch electrodes, and signal lines. At least some of the signal lines are electrically connected to the touch electrodes. The signal line includes a first signal line and a second signal line adjacent to each other. The first signal line and the second signal line respectively comprise a first-layer wiring and/or a second-layer wiring overlapped with each other in a direction perpendicular to the base substrate and electrically connected to each other. A line width of the first signal line is greater than a line width of the second signal line. The first-layer wiring of at least one of the first signal line or the second signal line is disconnected, and the second-layer wiring of the first signal line is continuous in a disconnected position.

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Beijing, China

Wei Wang