Chinese Academy of Sciences

Sichuan Sunfor Light Co., Ltd

Berpu Medical Technology Co., Ltd

Beipu Medical Technology Co., Ltd.

Hongjie Zhang

Chengyu Li

Kun Zhao

Ming Zhang

Liang Zhou

Hao Kai Zhang

Jian Meng

Daqing Fang

Deping Zhang

Dingxiang Tang

Zhigang Shao

Jinkai Hao

Wei Sun

Hao Zhang

Li Zhang

Wei Jiang

Jing Feng

Bin Wang

Dongming Li

Xingguo Wang

Ran Pang

Lei Tian

Kaiqiang Dong

Xuesen Zhao

Jiacheng Shen

Jianyi Chi

Huayi Lu

Lianshan Zhao

Yunlong Jiang

Xin Qiu

Ming Wang

Linfeng Zhang

A protective film sequentially includes a release film, a low-viscosity silica gel layer, a high-viscosity silica gel layer and a substrate from top to bottom. A high-viscosity organosilicon adhesive, a hydroxyl-terminated polydimethylsiloxane, a curing agent, an additive and a solvent are coated on a polyester film. A low-viscosity organosilicon adhesive, the hydroxyl-terminated polydimethylsiloxane, the curing agent, the additive and the solvent are mixed and costed on the polyester film complex, which is pressed with the release film to obtain a silica gel protective film for fuel cells. A proton exchange membrane is coated with a catalyst to form a first catalyst layer, the protective film is adhered to the surface of the first catalyst layer, the second side of the proton exchange membrane is coated, and the silica gel protective film is peeled off after the coating is finished to obtain a CCM for a fuel cell.

Protective film, batch preparation method therefor and use thereof

Safe insulin needle assembly includes protection sheath, needle, safety protection sleeve, pressure seat and needle holder. The needle is arranged on the central axis of the needle holder. The pressure seat is sheathed over the upper portion of the needle holder. The safety protection sleeve is sheathed on the needle holder and the pressure seat as a whole. The upper protection of the safety protection sleeve is connected to and cooperates with the pressure seat. The needle protrudes out of the top end of the upper portion of the safety protection sleeve. The lower portion of the safety protection sleeve is connected to and cooperates with the lower portion of the needle holder. The protection sheath is sheathed on the safety protection sleeve and the needle as a whole. The lower portion of the protection sheath is connected to and cooperates with the lower portion of the safety protection sleeve.

Safe insulin needle

A roll-to-roll continuous coater for CCM preparation, and a coiled material connection method are provided. The coater has a coiled material connection mechanism that includes an upper rack () and a lower rack (). A vacuum suction plate I (-) provided with a driving device for achieving displacement and a vacuum suction plate II (-) provided with a solid glue spraying device (-) are respectively disposed on the bottom of the upper rack () and the top of the lower rack (). An optical fiber sensor I (-) and an optical fiber sensor II (-) are respectively disposed in the vacuum suction plate I (-) and the vacuum suction plate II (-). A tension detection device () is disposed between the lower rack () and a driving roller assembly ().

Roll-to-roll continuous coater for CCM preparation, and roll material connection method

The present invention discloses a rare-earth sulfide colorant and a preparation method thereof. The chemical formula of the rare-earth sulfide colorant of the present invention is RESy [REPO], wherein RE is selected from one or more of La, Ce, Pr, Nd and Sm, and the ratio of y to x is 0.001 to 0.65. The present invention also discloses use of a phosphorus-containing compound for increasing the vividness of a rare-earth sulfide colorant.

Colorant and preparation method thereof

The present disclosure provides a white organic electroluminescent device, comprising: a substrate; an anode layer; a first light emitting layer formed from a red organic fluorescent material, a first energy-sensitized organic material and a first hole-type organic host material; a second light emitting layer formed from a green organic fluorescent material, a second energy-sensitized organic material and a second hole-type organic host material; and a cathode layer.

White organic electroluminescent device and preparation method thereof

The present disclosure provides a blue organic electroluminescent device comprising: a substrate; an anode layer disposed on the substrate; a light emitting layer disposed on the anode layer, the light emitting layer being formed from a blue organic fluorescent material and a hole-type organic host material, wherein the blue organic fluorescent material is 8.0% to 25.0% by mass of the hole-type organic host material; and a cathode layer disposed on the light emitting layer.

Blue organic electroluminescent device and preparation method thereof

The invention provides a blue organic electroluminescent device, composed of a substrate, an anode layer, an anode modification layer, a hole transporting-electron blocking layer, a hole-dominated light-emitting layer, an electron-dominated light-emitting layer, a hole blocking-electron transporting layer, a cathode modification layer, and a cathode layer arranged in turn, wherein the electron-dominated light-emitting layer is composed of an organic sensitive material, a blue organic light-emitting material, and an electron-type organic host material. A rare earth complex having a matched energy level, such as Tm(acac)phen or Dy(acac)phen is selected as the organic sensitive material, and a trace amount of the same is doped into the electron-dominated light-emitting layer, which has the function of an energy transporting ladder and a deep binding center for charge carriers, so as to improve the luminescence efficiency, spectral stability, and service life of the device, reduce the operating voltage of the device, and delay the attenuation of the effectiveness of the device.

The invention provides a red organic electroluminescent device, composed of a substrate, an anode layer, an anode modification layer, a hole transporting-electron blocking layer, a hole-dominated light-emitting layer, an electron-dominated light-emitting layer, a hole blocking-electron transporting layer, a cathode modification layer, and a cathode layer arranged in turn, wherein the electron-dominated light-emitting layer is composed of an organic sensitive material, a red organic light-emitting material, and an electron-type organic host material. A rare earth complex having a matched energy level, such as Eu(DBM)phen or Eu(TTA)phen is selected as the organic sensitive material, and a trace amount of the same is doped into the electron-dominated light-emitting layer, which has the function of an energy transporting ladder and a deep binding center for charge carriers, so as to improve the light-emitting effectiveness, spectral stability, and service life of the device, reduce the operating voltage of the device, and delay the attenuation of the effectiveness of the device.

Red organic electroluminescent device and preparation method thereof

Provided is a white organic electroluminescent device, composed of a substrate, an anode layer, an anode modification layer, a hole transporting-electron blocking layer, a hole-dominated light-emitting layer, an electron-dominated light-emitting layer, a hole blocking-electron transporting layer, a cathode modification layer, and a cathode layer arranged in turn, wherein the electron-dominated light-emitting layer is composed of an organic sensitive material, a blue organic light-emitting material, and an electron-type organic host material. A rare earth complex having a matched energy level, such as Tm(acac)Phen or Dy(acac)phen is selected as the organic sensitive material, and a trace amount of the same is doped into the electron-dominated light-emitting layer, which has the function of an energy transporting ladder and a deep binding center for charge carriers, so as to improve the light-emitting effectiveness, spectral stability, and service life of the device, reduce the operating voltage of the device, and delay the attenuation of the effectiveness of the device.

The present invention discloses a disposable safety self-destruction insulin needle. The invention uses a sleeve-connected linkage structure and realizes an instant reset of the safety sleeve by means of the spring located in the middle axis so as to ensure that the needle tube is not exposed and preferably realizes a tilting and deflection of the self-destruction pressure base due to a plurality of flexible plates unevenly distributed on the inner wall in the needle base so as to finally ensure that the insulin needle cannot be used a second time, in so doing the safety self-destruction operation of the insulin needle is realized.

Disposable safety self-destruction insulin needle

The invention relates to a yellow light afterglow material and a preparation method thereof as well as an LED illuminating device using the same. The yellow light afterglow material comprises the chemical formula of aYO.bAlO.cSiO:mCe.nB.xNa.yP, where a, b, c, m, n, x and y are coefficients, and a is not less than 1 but not more than 2, b is not less than 2 but not more than 3, c is not less than 0.001 but not more than 1, m is not less than 0.0001 but not more than 0.6, n is not less than 0.0001 but not more than 0.5, x is not less than 0.0001 but not more than 0.2, and y is not less than 0.0001 but not more than 0.5; wherein Y, Al and Si are substrate elements, and Ce, B, Na and P are activators. The yellow light afterglow material is prepared by the following steps: weighing oxides of elements or materials which can generate oxides at high temperature by molar ratio as raw materials, evenly mixing and then sintering the raw materials at 1200-1700&#xb0; in a reducing atmosphere.

Yellow light afterglow material and preparation method thereof as well as LED illuminating device using same

An Alternate Current (AC) white Light-Emitting Diode (LED) device is provided, which belongs to the technical field of white LED manufacturing. The problem to be solved by the present invention is to low-costly overcome a series of deficiencies such as the stroboflash of an AC driven LED, and the heat dissipation difficulty caused by an integrated packaging of multiple LEDs. A white LED unit includes an LED chip and a light emitting material that can emit light when being excited by the LED chip. The luminous lifetime of the light emitting material is 1-100 ms. The LED chip only comprises one PN junction. The light emitted by the LED chip is mixed with the light emitted by the light emitting material to form white light. The white LED unit is driven by AC with a frequency not more than 100 Hz. The white LED device of prevent invention uses the single PN junction chip, rather than the prior integrated packaged AC multi-LED chip.

Growing community of inventors

Jilin, China

Hongjie Zhang