Boe Technology Group Co., Ltd.

Boe Optical Science and Technology Co., Ltd.

Beijing Welion New Energy Technology Co., Ltd

Other

Beijing Boe Chantani Electronics Co., Ltd.

Beijing Roe Chatani Electronics Co., Ltd.

Beijing Weilion New Energy Technology Co., Ltd

Wenjun Li

Huigen Yu

Yongwei Li

Baopeng Hou

Xiaozeng Pei

Jingdan Peng

Yafei He

Chao Li

Hong Li

Jie Huang

Yunhao Liu

Jin Xiang

Zepeng Ding

Danrong Li

Disclosed in the invention is a lithium battery production process, which comprises: through sequentially implemented processes of pre-compounding, winding for lamination, cutting, reclaiming material, continuously processing and assembling finished products, each electrode and separator are laminated, processed and formed, and finally assembled into a battery prefabricated product. The lithium battery production process is simple and efficient to implement, and it may realize continuous production of lithium battery products, thereby greatly improving battery production efficiency, and correspondingly simplifying the entire process flow to reduce the labor intensity of the staff. Also disclosed is a lithium battery production equipment for the above lithium battery production process.

Lithium battery production process and equipment

A system used to supplement an electrode with lithium or sodium, includes an electrode treatment unit including metal source-unwinding shafts (), an electrode-unwinding shaft (), and press roller devices () configured to allow physically adhesive contact of the electrode with the metal source, so that the electrode () is supplemented with the metal from metal sources (); a temperature control treatment device () configured to improve the quality and uniformity of metal supplement; and a stripping unit configured to peel off the metal source that has been rolled by the press roller devices (), wherein the metal sources () are a ribbon-shaped lithium source or a ribbon-shaped sodium source. This system and the method using the system can produce an electrode having high cycle efficiency.

System for preparing electrode having high cycle efficiency, method for preparing electrode having high cycle efficiency, and application thereof

Provided are a gravure coating device for preparing a large-width ultrathin metal lithium strip and the preparation method, relating to the technical field of preparation of metal lithium materials. The device comprises: a lithium-melting tank (), a micro-gravure roller (), a unwinding device, a substrate back roller (), a hot pressing device and a winding device; wherein the lower portion of the micro-gravure roller () is immersed into the liquid lithium in the lithium-melting tank (); one side of the micro-gravure roller () is provided with a hot scraper (), and the end portion of the hot scraper () is in contact with the surface of the micro-gravure roller (); the substrate back roller () is arranged diagonally above the micro-gravure roller (); the unwinding device is arranged on one side of the substrate back roller (); the winding device is arranged above the substrate back roller (); the hot pressing device is arranged between the substrate back roller () and the winding device; after passing through the substrate back roller () and the hot pressing device, the substrate on the unwinding device is winded onto the winding device. The device is simple in structure and reasonable in design, effectively improves the coating uniformity, and realizes automatic production of ultrathin metal lithium strips with a thickness of 1-50 μm, thereby greatly improving work efficiency and product quality.

Gravure coating device for preparing large-width ultrathin metal lithium strip and method therefor

Provided are an asynchronous heating and calendering device, a large wide ultra-thin lithium metal foil, and preparation method and use thereof, wherein the asynchronous heating and calendering device comprises: a pulling-substrate unwinding unit (E) for unwinding a pulling-substrate (P); a lithium strip unwinding unit (D) for unwinding a lithium strip (S); an asynchronous heating and calendering unit (H) which comprises: a first calendering roller (B), a second calendering roller (A) and a heating box (C), wherein the heating box (C) is used to heat the first calendering roller (B), the first calendering roller (B) heats the pulling-substrate (P), and the first calendering roller (B) and the second calendering roller (A) have parallel axes and are arranged opposite to each other, so that the pulling-substrate (P) and the lithium strip (S) are combined into a composite strip (Z); and a winding unit (G) for winding the composite strip (Z). A large wide ultra-thin lithium metal foil with a uniform thickness may be prepared by providing a heating box (C) and asynchronous first calendering roller (B) and second calendering roller (A) in said device, and the application of this lithium foil in batteries has a relatively high initial efficiency. The width of the lithium foil is 1-600 mm; the thickness of the lithium foil is 1-20 μm; and the initial efficiency of the battery reaches 98%.

Asynchronous heating and calendering device, large wide ultra-thin lithium metal foil, preparation method therefor, and application thereof

A backlight source module and a display device are provided. The backlight source module includes a back plate structure and a rubber member. The back plate structure includes a bottom plate, and a first side plate and a second side plate respectively connected with the bottom plate, and the first side plate and the second side plate oppose each other. A light-emitting portion, a light-guiding component and the rubber member are sequentially disposed on the bottom plate along a first direction pointing from the first side plate to the second side plate. The rubber member is only disposed at the second side plate.

Backlight source module and display device

Provided is a saddle system and a bicycle, wherein the saddle system comprises a follower device, and the follower device is arranged on the seat rod of the bicycle for mounting the saddle. The follower device comprises a left and right rotating assembly and a left and right turnover assembly which are interconnected, wherein the left and right rotating assembly is rotated leftward or rightward with respect to the left and right turnover assembly, so that the saddle rotates leftward or rightward with respect to the seat rod. The left and right turnover assembly is turned over leftward or rightward with respect to the left and right rotating assembly to make the saddle is turned over leftward or rightward with respect to the seat rod.

Saddle system and bicycle

The disclosure relates to a shading tape, a backlight unit and a display device. The shading tape includes: a tape body; a buffer layer located at a side of the tape body and provided with a through groove running through the buffer layer in a direction perpendicular to the tape body; a heat dissipating component located in the through groove; and a sealing layer located at a side of the buffer layer far away from the tape body and configured to close an opening of the through groove at the side of the buffer layer far away from the tape body.

Shading tape, backlight unit and display device

A light bar, an edge-type backlight module and a display device. The light bar includes a circuit board and an integrated light emitting body arranged on the circuit board, wherein the integrated light emitting body includes a package and a plurality of light sources, and the package is configured to package the plurality of light sources.

Light bar, edge-type backlight module and display device

The present disclosure discloses a plastic frame assembly. In one embodiment, the plastic frame assembly includes a plastic frame and a heat-conducting component which are formed in an integrated structure; wherein, the plastic frame includes an engagement structure configured to be engaged with an other component; and, the heat-conducting component includes a heat-conducting member and a plurality of protrusions protruded from a surface of the heat-conducting member, the protrusions being inserted into the plastic frame at the engagement structure thereof. The present disclosure also discloses a backlight source including this plastic frame assembly and a display apparatus including the abovementioned backlight source.

Plastic frame assembly, backlight source and display apparatus

A backlight unit includes a backplane and a light guide plate. The backplane includes a body section and a bending section connected with the body section; the body section includes a first surface and a second surface opposite to each other; the bending section includes at least a connecting portion and a mounting portion extended from the connecting portion and opposite to the first surface; the connecting portion is a bending structure along a first side of the body section; a bending direction of the connecting portion is a direction from the second surface of the body section to the first surface; the light guide plate is disposed on the first surface of the body section; one side of the mounting portion away from the connecting portion is opposite to a first end face of the light guide plate; and light sources are disposed on the mounting portion. A display device is further disclosed.

Backlight unit and display device

A light guide plate, a backlight and a display device are provided. The light guide plate includes a light incident surface, and a light emergent surface intersecting with the light incident surface, the light emergent surface being provided with a blank region close to the light incident surface; the blank region is provided with a plurality of convex point structures thereon. The light guide plate can reduce a disadvantageous effect of an adhesive preparation structure on the backlight and improve a light utilization rate of the backlight.

Light guide plate, backlight and display device

The present disclosure provides a backlight source and a display device. The backlight source includes a back plate, a light bar and a rubber strip. The back plate is made of a metal material and includes a base, one first side portion and three second side portions, wherein the first side portion and the three second side portions are connected to the base and arranged at four sides of the base respectively. The first side portion includes a parallel part which is parallel to the base and a connection part which connects the parallel part to the base. The light bar is fixed on the parallel part. The rubber strip is fixed on at least one of the second side portions. An upper surface of the rubber strip and a surface of the parallel part form a support surface.

Blacklight source and display device

Embodiments of the present disclosure provide a backlight assembly, a backlight module, and a display device. The backlight assembly of the present disclosure comprises a light guide plate and a light bar, wherein an edge of a light-entering end of the light guide plate comprises one or more first edge segments and one or more second edge segments, and the one or more first edge segments protrude from positions of the edge of the light-entering end of the light guide plate other than the one or more second edge segments in a direction facing away from the light guide plate. The light bar comprises one or more LED light bars disposed on one or more light-entering side of the one or more first edge segments and one or more line light sources disposed on one or more light-entering sides of the one or more second edge segments.

Backlight assembly, backlight module and display device

The disclosure provides a mobile terminal medium casing and a mobile terminal. The mobile terminal medium casing includes a casing body having a receiving groove; a reflective sheet, a light guiding plate and an optical sheet group laminated in order, in a direction away from a bottom of the receiving groove, on the bottom of the receiving groove; and a light source assembly located in the receiving groove, an illuminant of the light source assembly being located at a light incidence side of the light guiding plate.

Mobile terminal medium casing and mobile terminal

A backlight module and a display device are provided. The backlight module comprises a light guide plate, a sealant frame enclosing edges of the light guide plate, and a light source disposed at an end of the light guide plate. The light guide plate has a near light end near the light source and a far light end further away from the light source. The light guide plate includes at least one first positioning structure at the far light end. The sealant frame includes at least a second positioning structure disposed at a position corresponding to the first positioning structure at the far light end. The first positioning structure and the second positioning structure are engaged with each other to position the light guide plate on a plane parallel to a light emitting surface of the light guide plate.

Growing community of inventors

Beijing, China

Wenjun Li