Shanghai Tianma Am-oled Co., Ltd.

Wuhan Tianma Micro-electronics Co., Ltd

Microport Endovascular (shanghai) Co., Ltd.

Tianma Micro-electronics Co., Ltd.

Dell Products Inc.

Dow Global Technolgoies LLC

Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch

Shenzhen Airdrawing Technology Service Co., Ltd

Shanghai Bluevascular Medtech Co., Ltd.

Shanghai Microport Endovascular Medtech (group) Co., Ltd.

Shanghai Vasolutions Medtech Co., Ltd.

Shanghai Intervascular Medtech Co., Ltd.

Qing Zhu

Jinghua Niu

Xiangcheng Wang

Shuang Cheng

Yinhe Liu

Wei Gao

Ping An

Lei Zhang

Qiyi Luo

Jun Lin

Wei He

Gaojun Huang

Yuji Hamada

Yan Lu

Zhonghua Li

Hongyan Zhu

Lei Wen

Jianyun Wang

Zhenyu Yuan

Yanbin Gao

Xiaoxi Na

Wei Zhu

Jie Li

Ligong Wang

Chen Liu

Zhi Zhang

Honglin Nie

Qing Yang

Xiangyang Tai

Tai-Chen Wang

Zhihong Lei

Biao Li

Weili Qiao

Linlin Zhang

Honghu Ma

Xiaoqian Sun

Dingguo Huang

Hui He

Zhi-Yong Zhao

Yongfeng Zhu

Jianchao Han

Yibin Xing

Fengliang Zhao

Liwen Wang

Weiwen Sheng

Wenhui Jiao

Yan-bin Gao

Qingru Ji

Zengzuo Shi

Shun Xia

Zhikai Xing

Dongmei Yan

Mengqin Liu

Yaming Fan

Zhenghua Miao

Junli Zhang

Xiaojuan Deng

Dadong Peng

Zhaoduo Zhang

Chunlin Tu

A waterborne polyurethane dispersion is provided. The waterborne polyurethane dispersion is prepared in the presence of a chain extender N-aminoethylpiperazine (AEP) and exhibits good modulus while retaining limited solubility.

Polyether based waterborne polyurethane dispersion and method for preparing the same

The present invention provides a filter device, including a filtering part, a constraining part, a stent part, and a connecting part. The filtering part has a first end and a second end opposite to each other. The constraining part is degradable and at least configured to constrain the first end of the filtering part. The stent part has a first end and a second end opposite to each other. The first end of the stent part is connected to the second end of the filtering part, and disposed coaxial with the filtering part. The connecting part is disposed on one or more of the first end of the filtering part and the second end of the stent part, and is configured to connect to an external mechanism, and the constraining part is further configured to constrain the second end of the stent part when the connecting part is disposed at the second end of the stent part. The present invention can be taken out from the human body and can also be partially degraded in the human body so that the occurrence rate of long-term complications is reduced, and secondary surgery can thus be avoided.

Filter device

Provided are an organic light-emitting display panel and a display device. The organic light-emitting display includes an array substrate and organic light-emitting components each having an anode, a cathode and an organic functional layer. The organic functional layer includes an organic light-emitting layer, a first electron transmission layer, and a hole injection layer. LUMO1 and LUMO4 satisfy: |LUMO1&#x2212;LUMO4|&#x3c;1.7 eV. HOMO5 and HOMO4 satisfy: |HOMO5&#x2212;HOMO4|&#x3c;1 eV. A work function &#x3c6;1 of the first dopant and a work function &#x3c6;4 of the cathode satisfy: &#x3c6;1&#x3c;&#x3c6;4, and a work function &#x3c6;2 of the second dopant and a work function &#x3c6;3 of the anode satisfy: &#x3c6;2&#x3e;&#x3c6;3.

Organic light-emitting display panel and display device with earth metal dopants

A nitrogen heterocyclic compound having a structure of Chemical Formula I is provided. z is 1 or 2, m and n are each 1 or 2, p and q are each 0, 1 or 2. X-Xare each independently nitrogen or carbon, and at least one of X-Xis nitrogen. R, Rand Rare each independently C1-C10 linear or branched alkyl, substituted or unsubstituted aryl, fused aryl, an aromatic heterocyclic group, or a fused aromatic heterocyclic group. Rand Rmay be otherwise a single bond. Arand Arare each substituted or unsubstituted aryl, fused aryl, an aromatic heterocyclic group, or a fused aromatic heterocyclic group. The nitrogen heterocyclic compound has a higher refractive index, can improve light extraction efficiency and luminous efficiency and alleviate angular dependence of luminescence when it is used as a capping layer CPL of an OLED device. 

Nitrogen heterocyclic compound, display panel and display apparatus

The present disclosure provides a compound used as the CPL material. The compound has a structure as shown in chemical formula I,  in which Lis selected from the group consisting of a substituted or unsubstituted C6-C30 arylene, C3-C30 heteroarylene, a substituted or unsubstituted C10-C60 fused arylene, and a substituted or unsubstituted C10-C60 fused heteroarylene; Aris selected from the group consisting of a substituted or unsubstituted C6-C30 arylene, C3-C30 heteroarylene, a substituted or unsubstituted C10-C60 fused arylene, and a substituted or unsubstituted C10-C60 fused heteroarylene; n is 1 or 2, and when n is 2, the two Arare identical or different; R, R, Rand Rare each independently selected from the group consisting of hydrogen, and a substituted or unsubstituted aryl or fused aryl, Rand Rare optionally bonded to form a ring, and Rand Rare optionally bonded to form a ring.

Compound and display panel containing the same

The present disclosure provides a benzo diheterocyclic compound having a structure represented by Formula (I). In Formula (I), Yand Yare oxygen or sulfur; Arand Arare each independently selected from a group consisting of single bond, a substituted or unsubstituted phenyl, a substituted or unsubstituted naphthyl, a substituted or unsubstituted anthracyl, a substituted or unsubstituted phenanthryl, a substituted or unsubstituted acenaphthylenyl, and a substituted or unsubstituted aromatic heterocyclic group; m and n are integers independently selected from 0 and 1; Dand Dare aryl or heteroaryl, Arand Arare aryl or heteroaryl, and Ris hydrogen, phenyl, or naphthyl. When the benzo diheterocyclic compound is used as a capping layer of a cathode, it will not interfere light emission of an OLED, and the OLED can maintain a high color purity. 

Benzo diheterocyclic compound, display panel, and display device containing the benzo diheterocyclic compound

The present disclosure provides a light-emitting structure, a display panel, a display device, and a control method for a display panel, so as to solve the problem that the user's eyes cannot clearly see the image displayed by the display panel due to ambient light. The light-emitting structure includes a light-emitting unit and a variable reflectivity unit. The light-emitting unit includes a first electrode, a second electrode and a light-emitting layer in between. The first electrode is a transparent electrode. The variable reflectivity unit includes a piezoelectric structure and a layer of liquid reflective material between the first electrode and the piezoelectric structure. A thickness of the layer of the liquid reflective material filled between the piezoelectric structure and the first electrode is changed by deformation of the piezoelectric structure. The light-emitting structure is used to emit light for displaying the image.

Light-emitting structure of display panel with variable reflectivity units having piezoelectric structures, and control method for the same

A display panel includes a light-emitting element and a capping layer disposed at a light exit side of the light-emitting element. The light-emitting element includes a first light-emitting element, a second light-emitting element and a third light-emitting element emitting a first color light, a second color light and a third color light, respectively. The capping layer includes a first capping layer and a second capping layer stacked together. The second capping layer includes a first sub-capping layer, a second sub-capping layer and a third sub-capping layer correspondingly disposed at light exit sides of the first light-emitting element, the second light-emitting element and the third light-emitting element, respectively. At least one of the first sub-capping layer, the second sub-capping layer, or the third sub-capping layers is configured to have a larger refractive index of light emitted by the corresponding light-emitting element than light emitted by other light-emitting elements.

Display panel and display device having multiple sub-capping layers

An organic light-emitting display panel, comprising: an array substrate comprising driving units; an organic light-emitting unit including an anode, a cathode, and an organic functional layer there between, the organic functional layer comprises an organic light-emitting layer, a first electron transmission layer between the cathode and the organic light-emitting layer, and a first hole transmission layer between the anode and the organic light-emitting layer; the first electron transmission layer comprises a first electron transmission matrix and a first dopant comprising an alkaline earth metal element or a rare earth metal element; and the organic light-emitting layer comprises a blue light-emitting layer comprising a blue host material, wherein an electron mobility and a hole mobility of the blue host material satisfy the following conditions: the electron mobility of the blue host material&#x3e;(the hole mobility of the blue host material)&#xd7;10under an electric field of 0.2 MV/cm.

Organic light-emitting display panel and display device

Organic light-emitting display panel and device are provided for improving performance of the organic light-emitting device. The organic functional layer comprises an organic light-emitting layer and a first electron transmission layer between the cathode and the organic light-emitting layer. The first electron transmission layer comprises a first doping agent, and the first doping agent contains alkaline earth metal elements or rare earth metal elements. A second electron transmission layer is located between the first electron transmission layer and the organic light-emitting layer, and the second electron transmission layer is undoped with the first doping agent. A lowest unoccupied molecular orbital LUMO1 in the first electron transmission layer and a lowest unoccupied molecular orbital LUMO2 in the second electron transmission layer satisfy: |LUMO1&#x2212;LUMO2|&#x3c;0.18 eV. A highest occupied molecular orbital HOMO2 in the second electron transmission layer and a highest occupied molecular orbital HOMO3 of the organic light-emitting layer satisfy: |HOMO2&#x2212;HOMO3|&#x3c;1 eV.

An organic light emitting display device and an organic light emitting display apparatus are provided. The organic light emitting display device includes a first electrode and a second electrode disposed opposite to each other, a light emitting layer positioned between the first electrode and the second electrode, and a capping layer positioned on a surface of a side of the second electrode far away from the light emitting layer, the capping layer is formed as a single layer or superposition of a plurality of layers, the at least one layer of the capping layer is a composite layer, and the composite material of the composite layer comprises an organic material and a metal dopant.

Organic light emitting display device and organic light emitting display apparatus

Provided are a display panel, a manufacturing method thereof and a display device. The display panel includes: a first substrate and a second substrate disposed opposite to each other, and a plurality of light-emitting units and a plurality of fingerprint identification units, disposed on one side of the first substrate facing to the second substrate. Each of the plurality of light-emitting units includes a first N-type semiconductor layer and a first P-type semiconductor layer, each of the plurality of fingerprint identification units includes a second N-type semiconductor layer and a second P-type semiconductor layer. The first N-type semiconductor layer and the second N-type semiconductor layer are disposed in a same layer, and the first P-type semiconductor layer and the second P-type semiconductor layer are disposed in a same layer.

Display panel, manufacturing method thereof and display device

Provided are an organic light-emitting display panel and a display device. The organic light-emitting display includes an array substrate and organic light-emitting components each having anode, cathode and organic functional layer. The organic functional layer includes an organic light-emitting layer, a first and second electron transmission layer and an electron injection layer. The first electron transmission layer and electron injection layer include a first dopant containing an alkaline earth metal element or a rare earth metal element. A work function &#x3c6;1 of the electron injection layer and a work function &#x3c6;2 of the cathode satisfy: &#x3c6;1&#x3c;&#x3c6;2, and the work function &#x3c6;1 of the electron injection layer and a work function &#x3c6;3 of the first dopant satisfy: &#x3c6;1&#x2265;&#x3c6;3. LUMO1 and LUMO2 satisfy: |LUMO1&#x2212;LUMO2|&#x3c;0.18 eV.

An organic light-emitting display panel and a display device are provided. The display panel includes a plurality of organic light-emitting components, wherein each of the plurality of organic light-emitting components comprises a first electrode, a light-emitting layer and a second electrode that are arranged by stacking, the first electrode has a reflectivity of R, and the second electrode has a reflectivity of R, Rand Rsatisfy: wherein Iis a light intensity at a side of the first electrode, Iis a light intensity at a side of the second electrode, Iis an intrinsic light intensity of the light-emitting layer, &#x3bb; is a wavelength of light emitted by the light-emitting layer, Xis a distance between an exciton recombination center in the light-emitting layer and the first electrode, and L is a length of a microcavity between the first electrode and the second electrode, wherein X+X=L.

A branched stent graft, a convey system comprising thereof and manufacturing method thereof, the branched stent graft includes a main body () and a side branch (), at least a portion of a lowermost stent section of the side branch () closest to the main body () is not stitched to the cover of the side branch from a lower end to an upper end, the at least a portion of the lowermost stent section is located on a side of the side branch corresponding to a folding direction of the side branch. After deployed, the branched stent graft has an effective supporting force at the base portion of the side branch. In addition, during the deployment of the stent, the side branch can expand to a maximal extent even when the positioning is slightly inaccurate. Further, vascular stenosis or occlusion will not be caused even when subsequent endothelialization occurs.

Branched stent graft, delivery system comprising same and method of fabricating same

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Shanghai, China

Qing Zhu