Abstract:
The invention discloses an anthracene-containing derivative, the production process thereof and an organic electroluminescent display device, wherein the anthracene-containing derivative has a general molecular structural formula of Formula I, wherein, R1 group is selected from an aromatic group or a fused aromatic group having a carbon atom number of 6 to 18, R2 group is selected from an amine group. By using the above described anthracene-containing derivative as a green phosphorescent host material, a green fluorescent host material, a hole injection material, or a hole transporting material in an organic electroluminescent display device, the light emitting efficiency and the light emitting brightness of the organic electroluminescent display device may be improved.
Abstract:
The disclosure relates to an array substrate, a display panel, a display device, and methods of manufacturing them. The array substrate includes: a base substrate, a first electrode, a first insulating layer, and a second electrode, the second electrode having a plurality of second electrode portions spaced apart from one another, the first electrode having overlapped portions that overlap the plurality of second electrode portions, the first electrode is one of a common electrode and a pixel electrode and the second electrode is the other; at least one of the second electrode and the overlapped portions has a recess recessing towards the base substrate and an area of an opening of the recess is larger than an area of a bottom of the recess.
Abstract:
The invention provides an OLED display panel and the production process thereof, which relates to the technical field of display, may improve the surface flatness and the water-oxygen permeation resistance of the flexible base substrate, improve the light output ratio of the display panel, and may control the center wavelength of the electroluminescence spectrum. The display panel comprises an anode and a cathode provided on a flexible base substrate, and an organic material functional layer situated between the anode and the cathode, and it further comprises a reticular light output coupling layer provided on the flexible base substrate and contacting the flexible base substrate; the anode, the cathode, the organic material functional layer are all provided on the reticular light output coupling layer; the reticular light output coupling layer, the anode and the cathode, and the organic material functional layer compose a micro-cavity; the micro-cavity is used for controlling the center wavelength of the electroluminescence spectrum and the light output ratio. The material of the reticular light output coupling layer is a reticular high molecular material having a high refractive index and a low absorptivity in the visible light range; and it is used for the production of the flexible OLED display panel.
Abstract:
The present invention provides a source driver for use in a TFT-LCD, comprising: a data register, a data latch, a digital-to-analog converter and an output buffer. A first loading pulse is provided to the output buffer, such that the output buffer starts to output the gray-scale voltages of odd output ends to corresponding TFT sources in response to a second edge of the first loading pulse from the second level to the first level, which second edge immediately follows the first edge, and a second loading pulse is provided to the output buffer, such that such that the output buffer starts to output the gray-scale voltages of even output ends to corresponding TFT sources in response to a second edge of the second loading pulse from the second level to the first level, which second edge immediately follows the first edge. At least the second edge of the first loading pulse is not synchronous with the second edge of the second loading pulse. A driving circuit and a driving method are further provided. The source driver, the driving circuit and the driving method can alleviate adverse consequences resulting from too large difference between display data of two adjacent rows.
Abstract:
The present disclosure relates to the technical field of liquid crystal display. A liquid crystal panel and a display panel are provided. A main post spacer of the liquid crystal panel is arranged on a first substrate. A stopping structure used to stop the main post spacer from moving in a direction away from a second substrate is arranged on the second substrate. Hence, even if lots of liquid crystals are filled, the main post spacer and the second substrate may be kept in a seamless state due to the stopping structure.
Abstract:
A carrying device comprises: a base; an adsorption part disposed on the base; a plurality of adsorption holes formed in the adsorption part; and an insert having an end inserted in the adsorption part such that one or more of the adsorption holes are switchable between an open state and a closed state.
Abstract:
An array substrate, a repairing method thereof and a display device, wherein the array substrate includes: a plurality of gate lines and a plurality of data lines provided in a display region, gate lead lines provided in a non-display region and respectively connected to the gate lines and a gate driver IC, and data lead lines provided in the non-display region and respectively connected to the data lines and a data driver IC. The array substrate further includes: at least one first repairing line provided in a same layer as the gate lead lines, and at a position corresponding to a data lead line; and/or, at least one second repairing line provided in a same layer as the data lead lines, and at a position corresponding to a gate lead line.
Abstract:
The disclosure provides an indoloacridine-containing derivative represented by formula (I), wherein A is a group represented by formula (II), and wherein X, Y, Z and W represent a carbon atom or a nitrogen atom, and at least one of W, X, Y and Z represent a nitrogen atom; R represents a phenyl group, a biphenylyl group, a naphthyl group or a phenanthryl group. The disclosure further provides a process for preparing the compound. The disclosure further provides an organic electroluminescent device comprising the compound. This compound can be used as a phosphorescence host material, a hole-injecting material or a hole-transporting material in an organic electroluminescent device.
Abstract:
An array substrate, a repairing method thereof and a display device, wherein the array substrate includes: a plurality of gate lines and a plurality of data lines provided in a display region, gate lead lines provided in a non-display region and respectively connected to the gate lines and a gate driver IC, and data lead lines provided in the non-display region and respectively connected to the data lines and a data driver IC. The array substrate further includes: at least one first repairing line provided in a same layer as the gate lead lines, and at a position corresponding to a data lead line; and/or, at least one second repairing line provided in a same layer as the data lead lines, and at a position corresponding to a gate lead line.
Abstract:
The invention provides a 1,2,4-triazole-based derivative, a production process and use thereof, and an organic electroluminescent device. The invention belongs to the technical field of organic electroluminescence, and can give a blue light-emitting material having a higher luminescence efficiency. The 1,2,4-triazole-based derivative has a molecular structure of the following general formula, wherein A group represents an aromatic heterocyclic group having a carbon atom number of 8-18, a fused-ring aromatic group having a carbon atom number of 9-15, a fluorenyl group, or a triarylamino group. The 1,2,4-triazole-based derivative mentioned in the invention can be used in organic electroluminescent device.