Abstract: A display panel and manufacturing method thereof are provided. The display panel includes a substrate, a first electrode, a hole injection layer, a hole transport layer, an electron blocking layer, an organic electroluminescent layer, a hole blocking layer, an electron transport layer, an electron injection layer, and a second electrode arranged sequentially. The electron blocking layer corresponding to a green sub-pixel region of the organic electroluminescent layer is made of a p-type green light host material. Accordingly, the present invention effectively simplifies a manufacturing process, adjusts and balances charge carriers, and improves device performance.

Abstract: A display panel and manufacturing method thereof are provided. The display panel includes a substrate, a first electrode, a hole injection layer, a hole transport layer, an electron blocking layer, an organic electroluminescent layer, a hole blocking layer, an electron transport layer, an electron injection layer, and a second electrode arranged sequentially. The electron blocking layer corresponding to a green sub-pixel region of the organic electroluminescent layer is made of a p-type green light host material. Accordingly, the present invention effectively simplifies a manufacturing process, adjusts and balances charge carriers, and improves device performance.

Abstract: A thin film electroluminescent device, a preparation method thereof, and an electronic device are provided. The thin film electroluminescent device includes a first electrode, a functional structural layer disposed on the first electrode, a second electrode disposed on the functional structural layer, and a cover layer disposed on a side of the second electrode away from the first electrode. The cover layer includes an ionic compound having a chemical formula of AX2, wherein A is selected from divalent metal, and X is selected from halogen.

Abstract: The present invention provides a hole transport material, a preparation method thereof, and an electroluminescent device. Through ingenious molecular design, a xanthracene structure is combined with different electron-donating groups to synthesize a series of hole transport materials with a suitable highest occupied molecular orbital (HOMO) energy level and a suitable lowest unoccupied molecular orbital (LUMO) energy level, and a series of high-performance display devices can be manufactured using the hole transport materials provided by the present invention.

Abstract: The present disclosure relates to an organic light-emitting diode. The organic light-emitting diode includes a substrate, an anode layer, an organic functional layer, a cathode layer, and a cover layer that are sequentially stacked from bottom to top.

Abstract: A display panel and manufacturing method thereof are provided. The display panel includes a substrate, a first electrode, a hole injection layer, a hole transport layer, an electron blocking layer, an organic electroluminescent layer, a hole blocking layer, an electron transport layer, an electron injection layer, and a second electrode arranged sequentially. The electron blocking layer corresponding to a green sub-pixel region of the organic electroluminescent layer is made of a p-type green light host material. Accordingly, the present invention effectively simplifies a manufacturing process, adjusts and balances charge carriers, and improves device performance.

Abstract: The present disclosure relates to the field of organic light-emitting materials, and more particularly, to a thermally activated delayed fluorescence material having red, green, or blue color, a synthesis method thereof, and application thereof. The thermally activated delayed fluorescence material having red, green, or blue color has the following structural formula: the present disclosure provides a novel thermally activated delayed fluorescence material having red, green, or blue color which has a lower singlet triplet energy level difference, a high RISC rate constant (kRISC), and a high photoluminescence quantum yield (PLQY). It has significant characteristics of a thermally activated delayed fluorescence material and a long service life that can be used in an electroluminescent display and a light-emitting equipment structure which are mass produced.

Abstract: A thermally activated delayed fluorescent (TADF) deep-red light polymer material is provided, and includes a main chain to polymerize a TADF molecular structure, and a side chain to connect with an alkyl chain. The TADF polymer material of this structure has excellent TADF characteristics and solubility. Further, the material can be used to fabricate an electroluminescent device by a solution processing, and a good device effect can be obtained.

Abstract: A dithiazine-based hole transport material, preparing method thereof and an organic light-emitting device are provided; a molecular structural formula of the hole transport material is as following: wherein R1 and R2 are each an electron-donating group.

Abstract: An efficient blue-green to orange-red thermally activated delayed fluorescence material, a manufacture method, and an application thereof are provided. This disclosure solves the technical problems in the art by cleverly synthesizing a series of thermally activated delayed fluorescence materials, which have lower singlet-triplet energy difference, high luminous efficiency, and fast reverse intersystem crossing constant, and simultaneously fine-tuning the structure to cover the spectrum from blue-green light to orange-red light. Further, their structures are confirmed by nuclear magnetic resonance and mass spectroscopy, and their photophysical properties are also determined. Therefore, these luminescent thermally activated delayed fluorescence (TADF) materials are applied to light-emitting layer for manufacturing a series of organic light-emitting diodes (OLEDs) having high performance, which have great application prospects and economic value.

Abstract: An organic light-emitting diode (OLED) display panel and a manufacturing method thereof are provided. The OLED display panel includes an array substrate and a cathode structure. The cathode structure includes a metal film layer. The metal film layer includes a first metal film layer and a second metal film layer. The first metal film layer is positioned within the first active area and the second metal film layer is positioned within the second active area. Different regions of the metal film layer in the cathode structure are adjusted to different thicknesses, so that different regions have different light transmittances, which is beneficial to increase screen-to-body ratio.

Abstract: A thermally activated delayed fluorescence (TADF) material including a compound represented by formula (I). The TADF material can be applied to an organic light-emitting layer, thereby realizing a series of high-performance TADF electronic devices.

Abstract: The present application provides a luminescent material, a method for manufacturing the luminescent material and a luminescent device, the method includes providing a first reactant and a second reactant, reacting the first reactant and the second reactant to generate a mixture containing the luminescent material, separating and purifying the mixture containing the luminescent material to obtain the luminescent material.

Abstract: The present invention discloses a hole transport material, a preparation method thereof, and an organic light-emitting device. The hole transport material includes a compound having a chemical structure represented by Formula 1: wherein Z includes a carbon atom or a silicon atom, each of X and Y independently includes: an oxygen atom, a sulfur atom, any one or two of R1, R2, R3, and R4 are electron-donors, and remaining of R1, R2, R3, and R4 other that the electron-donors are hydrogen atoms.

Abstract: The present disclosure relates to the field of organic light-emitting materials, and more particularly, to a thermally activated delayed fluorescence material having red, green, or blue color, a synthesis method thereof, and application thereof. The thermally activated delayed fluorescence material having red, green, or blue color has the following structural formula: the present disclosure provides a novel thermally activated delayed fluorescence material having red, green, or blue color which has a lower singlet triplet energy level difference, a high RISC rate constant (kRISC), and a high photoluminescence quantum yield (PLQY). It has significant characteristics of a thermally activated delayed fluorescence material and a long service life that can be used in an electroluminescent display and a light-emitting equipment structure which are mass produced.

Abstract: The present invention provides a hole transport material, a preparation method thereof, and an electroluminescent device. Through ingenious molecular design, a xanthracene structure is combined with different electron-donating groups to synthesize a series of hole transport materials with a suitable highest occupied molecular orbital (HOMO) energy level and a suitable lowest unoccupied molecular orbital (LUMO) energy level, and a series of high-performance display devices can be manufactured using the hole transport materials provided by the present invention.

Abstract: An organic light-emitting diode (OLED) display panel and a manufacturing method thereof are provided. The OLED display panel includes an array substrate and a cathode structure. The cathode structure includes a metal film layer. The metal film layer includes a first metal film layer and a second metal film layer. The first metal film layer is positioned within the first active area and the second metal film layer is positioned within the second active area. Different regions of the metal film layer in the cathode structure are adjusted to different thicknesses, so that different regions have different light transmittances, which is beneficial to increase screen-to-body ratio.

Abstract: The present invention provides a green light thermal activation delayed fluorescent material, a synthesizing method thereof, and an electroluminescent device. The green light thermal activation delayed fluorescent material is a target compound having a molecular structure of D-A and synthesized by a reaction of an electron donor and an electron acceptor, wherein the electron acceptor being a planar electron acceptor in an ultra-low triplet energy state, and a triplet energy state of the target compound ranging from 2.0 to 3.0 eV. The method for synthesizing a green light thermal activation delayed fluorescent material includes the following steps: a reaction solution preparation step; a target compound synthesis step; an extraction step; and a target compound purification step. The electroluminescent device includes: a substrate layer; a hole transporting and injecting layer; a light emitting layer; an electron transporting layer; and a cathode layer.

Abstract: A thermally activated delayed fluorescent (TADF) deep-red light polymer material is provided, and includes a main chain to polymerize a TADF molecular structure, and a side chain to connect with an alkyl chain. The TADF polymer material of this structure has excellent TADF characteristics and solubility. Further, the material can be used to fabricate an electroluminescent device by a solution processing, and a good device effect can be obtained.

Abstract: An organic light-emitting diode (OLED) display panel and a manufacture method thereof are provided, which can enable the organic material encapsulated inside to have the function of removing water and oxygen, thereby further ensuring a reliable lifespan of the OLED display panel.