Abstract: A spirally configured cis-stilbene/fluorene hybrid material is shown in formula (1), wherein R? is an alkyl group or represented by formula (2), X represents CR36R37 or NR38, wherein R36 is represented by formula (3), R37 is represented by formula (4), R38 is represented by formula (5), wherein R1 to R4, R6 to R18 and R39 to R53 are independently selected from the group consisting of hydrogen atom, halogen atom, cyano group, alkyl group, cycloalkyl group, alkoxy group, amino group, haloalkyl group, thioalkyl group, silyl group and alkenyl group, R5 is a hydrogen atom, tert-butyl group or naphthyl group, n is 0 or 1.

Abstract: A novel catalyst, a use thereof and a method for treating PCB inked waste by using the same are disclosed. The catalyst of the present disclosure is represented by the following formula (I): [M(O)a]m+Xn???(I) herein M, X, a, m and n are defined in the specification.

Abstract: An organic compound is disclosed. The organic compound includes a cis-stilbene segment, a bridge atom segment having a bridge atom with four bonds, and the bridge atom is connected to the cis-stilbene segment with two of the four bonds to form a 7-membered ring structure, and an imidazole segment connected to the cis-stilbene segment.

Abstract: An organic compound is disclosed. The organic compound includes a cis-stilbene segment, a bridge atom segment having a bridge atom with four bonds, and the bridge atom is connected to the cis-stilbene segment with two of the four bonds to form a 7-membered ring structure, and a quinoxaline segment connected to the cis-stilbene segment.

Abstract: The present invention provides a series of spirally configured cis-stilbene/fluorene hybrid materials, which are spirally-configured cis-stilbene/fluorene derivatives having glass transition temperatures ranged from 105° C. to 130° C., decomposition temperatures ranged from 385° C. to 415° C., reversible electron transport property, and balanced charges motilities. Moreover, a variety of experimental data have proved that the yellow fluorescent, the green phosphorescent, the yellow phosphorescent, and the red phosphorescent OLEDs using this spirally configured cis-stilbene/fluorene derivatives as the electron transport layers having hole blocking functions can indeed show excellent EQE, current efficiency, power efficiency, maximum luminance, and device lifetime performances much better than the conventional or commercial yellow fluorescent, green phosphorescent, yellow phosphorescent, and red phosphorescent OLEDs.

Abstract: The present invention provides a series of diphenylimidazole-fused, spirally configured cis-stilbene/fluorene hybrid compounds and an optoelectronic device comprising the same. The diphenylimidazole-fused, spirally configured cis-stilbene/fluorene hybrid compound bearing cyanoaryl and cyanoheteroaryl substituents, and have glass transition temperatures ranged from 154° C. to 194° C., decomposition temperatures ranged from 426° C. to 443° C., reversible electron transport property, and balanced charges motilities. In addition, a variety of experimental data have proved that these diphenylimidazole-fused, spirally configured cis-stilbene/fluorene hybrid materials can indeed be used as a hole-blocking type electron-transporter for phosphorescent OLEDs.

Abstract: The present invention provides a series of spirally configured cis-stilbene/fluorene hybrid compounds and an optoelectronic device comprising the same. The compound comprises a seven-membered ring portion. The seven-membered ring portion is composed of a cis-stilbene fragment, and a tetrahedral coordination bridging atom fragment, wherein the cis-stilbene fragment has at least one substituent, the substituent is independently a substituted or unsubstituted triazine group, pyrimidine group or phenyl group. The compounds have glass transition temperatures ranged from 156° C. to 202° C., decomposition temperatures ranged from 419° C. to 509° C., reversible electron transport property, and balanced charges motilities. In addition, a variety of experimental data have proved that these spirally configured cis-stilbene/fluorene hybrid materials can indeed be used as a hole-blocking type electron-transporter for phosphorescent OLEDs.

Abstract: A novel compound is disclosed, which comprises: a 7-membered ring segment, which is formed by a cis-stilbene segment and a bridge atom with four bonds; and a fluorene segment connecting to the bridge atom with a double bond. In addition, an organic electronic device is also disclosed, and an organic layer therein comprises the novel compound of the present invention.

Abstract: A novel compound is disclosed, which comprises: a 7-membered ring segment, which is formed by a cis-stilbene segment and a bridge atom with four bonds; and an acridine segment connecting to the bridge atom of the 7-membered ring segment. In addition, an organic electronic device is also disclosed, and an organic layer therein comprises the novel compound of the present invention.

Abstract: An OLED (organic light emitting diode) comprises a series of spirally configured cis-stilbene/fluorene hybrid materials. The spirally configured cis-stilbene/fluorene hybrid materials are spirally-configured cis-stilbene/fluorene derivatives having the functions to block holes and constructed by at least one cis-Stilbene based component and at least one fluorene based component.

Abstract: An OLED (organic light emitting diode) comprises a series of spirally configured cis-stilbene/fluorene hybrid materials. The spirally configured cis-stilbene/fluorene hybrid materials are spirally-configured cis-stilbene/fluorene derivatives having the functions to block holes and constructed by at least one cis-Stilbene based component and at least one fluorene based component.

Abstract: The present invention provides a series of spirally configured cis-stilbene/fluorene hybrid materials, which are spirally-configured cis-stilbene/fluorene derivatives having glass transition temperatures ranged from 105° C. to 130° C., decomposition temperatures ranged from 385° C. to 415° C., reversible electron transport property, and balanced charges motilities. Moreover, a variety of experimental data have proved that the yellow fluorescent, the green phosphorescent, the yellow phosphorescent, and the red phosphorescent OLEDs using this spirally configured cis-stilbene/fluorene derivatives as the electron transport layers having hole blocking functions can indeed show excellent EQE, current efficiency, power efficiency, maximum luminance, and device lifetime performances much better than the conventional or commercial yellow fluorescent, green phosphorescent, yellow phosphorescent, and red phosphorescent OLEDs.

Abstract: The present invention provides a series of spirally configured cis-stilbene/fluorene hybrid materials, which are spirally-configured cis-stilbene/fluorene derivatives having glass transition temperatures ranged from 110° C. to 135° C., decomposition temperatures ranged from 380° C. to 425° C., reversible electron transport property, and balanced charges motilities. In addition, a variety of experimental data have proved that this spirally configured cis-stilbene/fluorene hybrid materials can indeed be used as a hole-blocking type electron-transporter and/or a host material for phosphorescent OLEDs.

Abstract: An optoelectronic materials for OLED is represented by formula (I): wherein R1 is selected from a group consisting of formulas (II)-(VI): wherein R2 and R3 are identical and selected from a group consisting of formula (VII) and formula (VIII): The optoelectronic materials possesses superior luminescent performance and thermal stability and is suitable to be a new type of ambipolar materials for OLED elements.

Abstract: Disclosed is a p-type organic semiconductor material having the formula: Each Con is the same and consists of a conjugated oligomer. Each EW is the same and consists of an electron withdrawing group. The p-type organic semiconductor material can be applied in an active layer of an optoelectronic device, such as an organic solar cell, an organic light-emitting diode, or an organic thin-film transistor.

Abstract: An optoelectronic materials for OLED is represented by formula (I): wherein R1 is selected from a group consisting of formulas (II)-(VI): wherein R2 and R3 are identical and selected from a group consisting of formula (VII) and formula (VIII): The optoelectronic materials possesses superior luminescent performance and thermal stability and is suitable to be a new type of ambipolar materials for OLED elements.

Abstract: Disclosed is a p-type organic semiconductor material having the formula: Each Con is the same and consists of a conjugated oligomer. Each EW is the same and consists of an electron withdrawing group. The p-type organic semiconductor material can be applied in an active layer of an optoelectronic device, such as an organic solar cell, an organic light-emitting diode, or an organic thin-film transistor.

Abstract: A pyridine-free esterification reagent for anhydride method to determine the hydroxyl number of polyols is provided. The reagent includes an anhydride, an oxometallic complex having a formula of MOmLn, and a neutral or slightly acidic solvent, wherein M includes transition metals of IVB, VB, or VIB group, L includes (OTf), X, and m and n are an integer greater than or equal to 1, wherein X is halogen, and R, R?, R?, and R??, independently, are alkyl, aryl, or heterocyclic groups containing nitrogen, oxygen, phosphorus, or sulfur heteroatoms. The invention also provides a method to determine the hydroxyl number of polyols.

Abstract: The present invention discloses a cellulose based optical film material with the following structure: wherein R1 is —H or —C(O)R4, R4 is alkyl or aryl; R2 is —C(O)R5, R5 is alkyl or aryl; R3 comprises one of the group consisting of: phosphinate based group, phosphonate based group, phosphonamide based group, phosphate based group, phosphoramide based group, carbamate based group, carbonate based group, and ester based group. Further, this invention also discloses a method for forming the cellulose based optical film material.

Abstract: A pyridine-free esterification reagent for anhydride method to determine the hydroxyl number of polyols is provided. The reagent includes an anhydride, an oxometallic complex having a formula of MOmLn, and a neutral or slightly acidic solvent, wherein M includes transition metals of IVB, VB, or VIB group, L includes (OTf), X, and m and n are an integer greater than or equal to 1, wherein X is halogen, and R, R?, R?, and R??, independently, are alkyl, aryl, or heterocyclic groups containing nitrogen, oxygen, phosphorus, or sulfur heteroatoms. The invention also provides a method to determine the hydroxyl number of polyols.