72results about How to "Visible" patented technology

The invention discloses a liquid crystal display panel which comprises a TFT (thin film transistor) substrate, frame sealing rubber, a CF (color filter) substrate, liquid crystals and a lead out line.The frame sealing rubber is arranged at the edge of the upper surface of the TFT substrate in an enclosed manner, the CF substrate is arranged on the frame sealing rubber in a covering manner, the liquid crystals are injected into the inner side of the frame sealing rubber, the end surface of the same side of the TFT substrate and the CF substrate exceeds the end surface of the corresponding sideof the frame sealing rubber, one end of the lead out line is connected with an electrode wire of the upper surface of an exceeding portion of the TFT substrate, and the other end of the lead out lineis bent and led out to the back surface of the TFT substrate to form a binding terminal. The invention further discloses a display device. According to the liquid crystal display panel, the CF substrate and an upper polarizer of the CF substrate serve as viewing surfaces, printing of TFT side circuits is omitted, cost is reduced, the binding terminal of the liquid crystal display panel is arranged on the back surface of the TFT substrate through the lead out line, the CF substrate above an exceeding end of the front surface of the TFT substrate and the upper polarizer of the CF substrate areincreased, segment gaps of the front surface of the TFT substrate are removed, so that the CF substrate and the upper polarizer of the CF substrate have external observation performance, the width ofa lead area of the front surface can be narrowed, and the screen-to-body ratio of a viewing area is increased.

The invention provides an experimental apparatus and method for simulating laying of a propping agent and backflow of fracturing fluid. The apparatus comprises a first panel, a second panel and a frame; the first panel and the second panel are arranged in parallel; a sealed box body is formed by the first panel, the second panel and the frame; both the first panel and the second panel are transparent and are used for a user to observe the situation in a box; a transparent built-in panel is arranged in the box body; the built-in panel is in parallel with the first panel, and a cavity is formed between the built-in panel and the first panel; the cavity is used for simulating a crack; a first water containing cavity for simulating a shaft and a second water containing cavity for simulating a tip of the crack are respectively formed at left and right ends of the box body; the first water containing cavity and the second water containing cavity are respectively communicated with the cavity by communication gaps. The experimental apparatus and method provided by the invention can be convenient for the user to carry out an experiment of simulating laying of the propping agent and backflow of the fracturing fluid, and have the guiding significance for the hydraulic fracturing practical activity of the oilfield mine.

To provide a photosensitive resin composition for spacers capable of reducing defects in an unfilled region due to a dropping amount of a liquid crystal, capable of preventing damage by pressure on a color filter, capable of suppressing thickness variation which is unavoidable in a process, free from leaching of ions or impurities in a liquid crystal, not lowering voltage retentivity, having no effect on liquid crystal alignment, and capable of forming spacers excellent in rubbing resistance, having satisfactory voltage retentivity and liquid crystal aligning property, and excellent in developability, high sensitivity, heat stability, dimensional stability and compressive strength. The photosensitive resin composition for spacers comprises (a) a resin selected from the group consisting of (i) an alkali-soluble acrylate resin, (ii) a photopolymer resin and (iii) a mixture of these, (b) a urethane resin, (c) a crosslinkable monomer having at least two or more ethylenic double bonds, (d) a photopolymerization initiator and (e) a solvent.

The invention discloses an NB-IoT based non-magnetic intelligent water meter, relating to the field of Internet of Things water meters. According to the NB-IoT based non-magnetic intelligent water meter, the flow of the water meter is accurately collected and processed through the separation of non-magnetic sampling and a master control circuit board, and meanwhile, network meter reading can be realized through narrow-band Internet of Things. The water meter comprises a shell, a non-magnetic PCB sampling metering mechanism, a single chip microcomputer control circuit board, a mechanical watermeter, a battery box and the like. The water meter integrates a control machine, a master control circuit and a non-magnetic sampling circuit, the communication and exchange transmission of data information are realized, and the battery box is of a transverse design, so that the design space of a water meter shell and the economic cost of the water meter are greatly saved. By utilizing Internet ofThings and a non-magnetic sampling manner, the intelligence and accuracy of the water meter are substantially improved, meanwhile, the stability and data transferability of the water meter are extremely high, and the water meter is a symbol of a new-generation Internet of Things intelligent water meter.

The invention discloses a visible artificial sand filling and oil flooding device with an injection-production liquid level adjustment function, and application thereof. The device comprises an integrated frame, a cover plate and two-way connector elements. The cover plate comprises an upper cover and a lower cover. A groove is formed in the edge of the inner wall of each of the upper end and the lower end of the integrated frame. A plurality of holes A are formed in two sides of each of the upper end face and the lower end face of the integrated frame symmetrically at equal intervals. The cover plate is provided with holes B matched with the holes A. Fixing elements penetrate the holes A and holes B to fixedly connect the cover plate with the integrated frame. At least one hole C is formed in each of the left side and the right side of the integrated frame. The integrated frame is connected with the two-way connector elements through the holes C. The two-way connector elements on one side are injection inlets, and the two-way connector elements on the other side are production outlets. The injection inlets and the production outlets have position differences. The visible artificial sand filling and oil flooding device has the advantages that injection-production wellhead liquid level differences in the actual oil production process of oil reservoirs are simulated through the height position differences between the injection inlets and the production outlets, and the visible artificial sand filling and oil flooding device has great significance in improving water-flooding development efficiency and the like.

The invention discloses a foam pipe rheological test system which comprises a foam generator, and a foam fluid test group pipe and a foam sand-containing fluid test pipe which are respectively connected with the foam generator, wherein the liquid outlet ends of the foam fluid test group pipe and the foam sand-containing fluid test pipe are connected with a settling tank; a liquid inlet of the foam sand-containing fluid test pipe is connected with a sand adding device; the foam fluid test group pipe comprises a plurality of foam fluid test pipes which are connected in parallel through pipelines; valves are arranged on the pipelines connected with the multiple foam fluid test pipes; the single foam fluid test pipe is connected to the foam generator, the multiple foam fluid test pipes are connected in parallel to the foam generator or the multiple foam fluid test pipes are connected in series to the foam generator by switching on and off the valves at different positions of the pipelines. According to the system, the foam rheological test system and a sand adding test system are combined together, so that switching of the two systems is conveniently and quickly realized by switching off the valves.