The invention relates to novel organic semiconducting compounds containing a polycyclic unit, to methods for their preparation and educts or intermediates used therein, to compositions, polymer blends and formulations containing them, to the use of the compounds, compositions and polymer blends as organic semiconductors in, or for the preparation of, organic electronic (OE) devices, especially organic photovoltaic (OPV) devices, perovskite-based solar cell (PSC) devices, organic photodetectors (OPD), organic field effect transistors (OFET) and organic light emitting diodes (OLED), and to OE, OPV, PSC, OPD, OFET and OLED devices comprising these compounds, compositions or polymer blends.

The present invention addresses the problem of providing a fluorine-containing aromatic polymer; a method for producing the fluorine-containing aromatic polymer; etc. The problem can be solved by: a polymer having a monomer unit represented by formula (1) (wherein R.sup.1 in each occurrence is independently a halogen atom, NR.sup.11R.sup.12 (wherein R.sup.11 and R.sup.12 are independently a hydrogen atom or an organic group), or an organic group; n1 is an integer of 0 to 4; two R.sup.1s that can be present in the ortho-positions may form a ring together with two carbon atoms on the adjacent benzene ring, wherein the formed ring may have an organic group as a substituent; and L.sup.1 is a single bond, an oxygen atom, a sulfur atom, -L.sup.11-O—, —O-L.sup.12-O—, -L.sup.13-S—, or —S-L.sup.14-S— (wherein L.sup.11 to L.sup.14 are each independently an alkylene group optionally having one or more substituents); etc.

The present disclosure provides a polymer compound and an organic light emitting device including e same, wherein the polymer comprising a repeating unit represented by the following Chemical Formula 1:

##STR00001##

wherein L, R.sub.1 to R.sub.5, and * are described herein.

A compound having the following formula:

##STR00001##

which can also be embedded into a conjugated oligomeric of polymeric backbone, is proposed for optical and electro optical applications.

Provided are a novel polymer, a method of preparing the same, and an organic semiconductor device including the same. According to the present invention, the fluorine content-controlled polymer is employed in an organic active layer, thereby providing an organic optoelectric device representing improved power conversion efficiency (PCE).

Systems and methods for sorting recyclable items and other materials are provided. In one embodiment, a system for sorting objects comprises: at least one imaging sensor; a controller comprising a processor and memory storage, wherein the controller receives image data captured by the image sensor; and at least one pusher device coupled to the controller, wherein the at least one pusher device is configured to receive an actuation signal from the controller. The processor is configured to detect objects travelling on a conveyor device and recognize at least one target item traveling on a conveyor device by processing the image data and to determine an expected time when the at least one target item will be located within a diversion path of the pusher device. The controller selectively generates the actuation signal based on whether a sensed object detected in the image data comprise the at least one target item.

A polymer includes a first repeating unit and a second repeating unit forming a main chain, the first repeating unit including at least one first conjugated system, and the second repeating unit including at least one second conjugated system and a multiple hydrogen bonding moiety represented by Chemical Formula 1.

Disclosed is a fluorine-substituted Pi(π)bridge selenide polymer acceptor material, its preparation and application. The selenide polymer acceptor material is named PYSe2FT and is synthesized by Knoevenagel condensation reaction and Still cross-coupling reaction; the material PYSe2FT takes a selenium-substituted core donor unit as a main structure, and combines a difluoro-substituted thiophene π-electronic connection unit, where the selenium-substituted core donor unit and the difluoro-substituted thiophene π-electronic connection unit can effectively regulate and control the molecular energy level, so that molecules generate good accumulation, thus making PYSe-2FT an excellent polymer acceptor material.

A resin compound has a structure represented by a chemical formula (I):

##STR00001##

In the chemical formula (I), each R.sup.1 independently represents a C.sub.1-C.sub.20 alkylene group or a C.sub.7-C.sub.40 alkylarylene group, and R.sup.1 are the same or different from each other; n independently represents an integer of 1-4; each R.sup.2 independently represents a C.sub.1-C.sub.20 alkyl group or a C.sub.2-C.sub.20 terminal alkenyl group, and R.sup.2 are the same or different from each other. When at least one of R.sup.1 represents a C.sub.1-C.sub.20 alkylene group, at least one of R.sup.2 is a C.sub.2-C.sub.20 terminal alkenyl group.

Polymers comprising at least one unit of formulae ##STR00001## and compounds of the formulae ##STR00002## wherein, in formulae 1, 1′, 2 and 2′ n is 0, 1, 2, 3 or 4 m is 0, 1, 2, 3 or 4 M1 and M2 are independently of each other an aromatic or heteroaromatic monocyclic or bicyclic ring system; X is at each occurrence selected from the group consisting of O, S, Se or Te, Q is at each occurrence selected from the group consisting of C, Si or Ge R is at each occurrence selected from the group consisting of hydrogen, C.sub.1-100-alkyl, C.sub.2-100-alkenyl, C.sub.2-100-alkynyl, C.sub.5-12-cycloalkyl, C.sub.6-18-aryl, a 5 to 20 membered heteroaryl, C(O)—C.sub.1-100-alkyl, C(O)—C.sub.5-12-cycloalkyl and C(O)—OC.sub.1-100-alkyl. R.sup.2, R.sup.2′, R.sup.2″, R* are at each occurrence independently selected from the group consisting of hydrogen, C.sub.1-30-alkyl, C.sub.2-30-alkenyl, C.sub.2-30-alkynyl, C.sub.5-12-cycloalkyl, C.sub.6-18-aryl, 5 to 20 membered heteroaryl, OR.sup.21, OC(O)—R.sup.21, C(O)—OR.sup.21, C(O)—R.sup.21, NR.sup.21R.sup.22, NR.sup.21—C(O)R.sup.22, C(O)—NR.sup.21R.sup.22, N[C(O)R.sup.21][C(O)R.sup.22], SR.sup.21, halogen, CN, SiR.sup.SisR.sup.SitR.sup.Siu and OH, L.sup.1 and L.sup.2 are independently from each other and at each occurrence selected from the group consisting of C.sub.6-30-arylene, 5 to 30 membered heteroarylene, ##STR00003##