Abstract: A polymer, a quantum dot composition, and a light-emitting device employing the same are provided. The polymer includes a first repeat unit that has a structure represented by Formula (I): wherein the definitions of R1, R2, A1, A2, A3, and Z1 and n are as defined in the specification.

Abstract: Organic metal compounds, and organic light-emitting devices employing the same are provided. The organic metal compound has a chemical structure represented by Formula (I) or Formula (II): wherein, R1 is hydrogen, C1-12 alkyl, C1-12 alkoxy, amine, C2-6 alkenyl, C2-6 alkynyl, C5-10 cycloalkyl, C3-12 heteroaryl, or C6-12 aryl; R2, R3, R4, and R5 can be hydrogen, halogen, C1-12 alkyl, C1-12 alkoxy, C1-12 fluoroalkyl; R6 and R7 are independent and can be C1-6 alkyl, or phenyl; R8, R9, R10, R11, R12, R13, R14, and R15 can be hydrogen, halogen, C1-12 alkyl, C1-12 fluoroalkyl, or two adjacent groups of R2, R3, R4, R5, R8, R9, R10, R11, R12, R13, R14 and R15 are optionally combined with the carbon atoms which they are attached to, to form a cycloalkyl group, or aryl; m is 1 or 2; and, n is 0 or 1.

Abstract: Organic metal compounds, and organic light-emitting devices employing the same, are provided. The organic metal compound has a chemical structure represented by formula (I): wherein each R1 can be independently hydrogen, C1-12 alkyl group, C5-10 cycloalkyl group, C3-12 heteroaryl group, or C6-12 aryl group; R2 can be independently hydrogen, halogen, C1-12 alkyl group, C5-10 cycloalkyl group, C3-12 heteroaryl group, or C6-12 aryl group.

Abstract: An organic metal complex is provided. The organic metal complex has the following formula (I): wherein R1 can be hydrogen, halogen, C1-12alkyl group, C1-12 alkoxy group, amine, C2-6 alkenyl group, C2-6 alkynyl group, C5-10 cycloalkyl group, C3-12 heteroaryl group, or C6-12 aryl group; R2, R3, R4, and R5 are independently of each other and can be hydrogen, halogen, C1-12 alkyl group, C1-12 alkoxy group, C1-12 fluoroalkyl group, or two adjacent R2, R3, R4, and R5 are optionally combined with the carbon atoms which they are attached to, to form a cycloalkyl group, or aryl group; R6-R13 are independent and can be hydrogen, halogen, C1-12 alkyl group, C1-12 fluoroalkyl group, or two adjacent R6-R13 are optionally combined with the carbon atoms which they are attached to, to form a cycloalkyl group, or aryl group and n is 1 or 2.

Abstract: Organic metal compounds, and organic light-emitting devices employing the same are provided. The organic metal compound has a chemical structure represented by formula (I): wherein each R1 is independent and can be hydrogen, C1-12 alkyl group, C1-12 alkoxy group, amine, C2-6 alkenyl group, C2-6 alkynyl group, C5-10 cycloalkyl group, C3-12 heteroaryl group, or C6-12 aryl group; R2, R3, R4, and R5 are independent and can be hydrogen, halogen, C1-12 alkyl group, C1-12 fluoroalkyl group, or two adjacent groups of R2, R3, R4, and R5 are optionally combined with the carbon atoms which they are attached to, to form a cycloalkyl group, or aryl group; R6 and R7 are independent and can be C1-6 alkyl group, or phenyl group; and, n is 0 or 1.

Abstract: Organic metal compounds, and organic light-emitting devices employing the same are provided. The organic metal compound has a chemical structure represented by Formula (I) or Formula (II): wherein, R1 is hydrogen, C1-12 alkyl, C1-12 alkoxy, amine, C2-6 alkenyl, C2-6 alkynyl, C5-10 cycloalkyl, C3-12 heteroaryl, or C6-12 aryl; R2, R3, R4, and R5 can be hydrogen, halogen, C1-12 alkyl, C1-12 alkoxy, C1-12 fluoroalkyl; R6 and R7 are independent and can be C1-6 alkyl, or phenyl; R8, R9, R10, R11, R12, R13, R14, and R15 can be hydrogen, halogen, C1-12 alkyl, C1-12 fluoroalkyl, or two adjacent groups of R2, R3, R4, R5, R8, R9, R10, R11, R12, R13, R14 and R15 are optionally combined with the carbon atoms which they are attached to, to form a cycloalkyl group, or aryl; m is 1 or 2; and, n is 0 or 1.

Abstract: Organic metal compounds, and organic light-emitting devices employing the same, are provided. The organic metal compound has a chemical structure represented by formula (I): wherein each R1 can be independently hydrogen, C1-12 alkyl group, C5-10 cycloalkyl group, C3-12 heteroaryl group, or C6-12 aryl group; R2 can be independently hydrogen, halogen, C1-12 alkyl group, C5-10 cycloalkyl group, C3-12 heteroaryl group, or C6-12 aryl group.

Abstract: In an embodiment of the present disclosure, a white organic light-emitting diode is provided. The white organic light-emitting diode includes an anode, a cathode, and a composite light-emitting layer formed between the anode and the cathode, the composite light-emitting layer including a first host layer, a second host layer, and a dye layer formed between the first host layer and the second host layer, and the dye layer including at least two dyes.

Abstract: Organic metal compounds, organic light-emitting devices, and a method for preparing the same are provided. The organic metal compound has a chemical structure represented by Formula (I): wherein one of R1 and R2 is hydrogen, and the other is trialkyl silyl group; and L is an acetylacetone ligand, a picolinate ligand, a 2-(imidazol-2-yl) pyridine ligand, a 2-(4,5-dimethyl-imidazol-2-yl)pyridine ligand, a 3-(trifluoromethyl)-5-(pyridine-2-yl)-1,2,4-triazolate ligand, or a 3-(tert-butyl)-5-(pyridine-2-yl)-1,2,4-triazolate ligand.

Abstract: In an embodiment of the present disclosure, a white organic light-emitting diode is provided. The white organic light-emitting diode includes an anode, a cathode, and a composite light-emitting layer formed between the anode and the cathode, the composite light-emitting layer including a first host layer, a second host layer, and a dye layer formed between the first host layer and the second host layer, and the dye layer including at least two dyes.

Abstract: Fabrication device of organic light emitting diode (OLED) includes a Substrate, a transparent conductive layer, an insulating film layer, an organic light-emitting layer, and a conductive layer; when a suitable potential is applied thereto, an organic light-emitting layer emits a visible light, however, it usually occurs breakdown between cathode and anode or bad signal, therefore, the present invention provides a positive insulating film photoresist with an easily inclining obtuse angle, smooth surface, and easily controlled fabrication condition to cover the edge of a transparent electrode (anode) in order to avoid that when the edge of ITO transparent electrode is sharp it causes an organic light-emitting layer film breakdown and results from signal lost or weaken to increase the yields.

Abstract: Fabrication device of organic light emitting diode (OLED) includes a Substrate, a transparent conductive layer, an insulating film layer, an organic light-emitting layer, and a conductive layer; when a suitable potential is applied thereto, an organic light-emitting layer emits a visible light, however, it usually occurs breakdown between cathode and anode or bad signal, therefore, the present invention provides a positive insulating film photoresist with an easily inclining obtuse angle, smooth surface, and easily controlled fabrication condition to cover the edge of a transparent electrode (anode) in order to avoid that when the edge of ITO transparent electrode is sharp it causes an organic light-emitting layer film breakdown and results from signal lost or weaken to increase the yields.

Abstract: The present invention discloses a red organic EL device containing compound which allows EL emission to be shifted to the red spectral region, and a higher purity in color for red EL devices is obtained. The, synthesis of the compound is easy and the product yield is improved compared to the prior art. Moreover, the red organic EL devices fabricated conform with existing NTSC standards.

Abstract: The present invention discloses a novel compound useful as the material for a red organic EL device. The novel compound is produced by connecting a benzene ring at the positions 2 and 3 of withdrawing group 2,5-dimethyl-4-(2,2-dicyano)pyrane, and connecting a conjugated donating group at position 5. Using this compound, the EL emission is shifted to the red spectral region, and a higher purity in color for red EL elements is obtained. The synthesis of the compound is easy and the product yield is improved compared to the prior art. Moreover, the red organic EL devices fabricated using the compound have properties that conform with existing NTSC standards.

Abstract: The present invention discloses a novel compound useful as the material for a red organic EL device. The novel compound is produced by connecting a benzene ring at the positions 2 and 3 of withdrawing group 2, 5-dimethyl-4-(2,2-dicyano)pyrane, and connecting a conjugated donating group at position 5. Using this compound, the EL emission is shifted to the red spectral region, and a higher purity in color for red EL elements is obtained. The synthesis of the compound is easy and the product yield is improved compared to the prior art. Moreover, the red organic EL devices fabricated using the compound have properties that conform with existing NTSC standards.