ORGANIC ELECTROLUMINESCENT DEVICE EMITTING BLUE LIGHT

    公开(公告)号:WO2022058523A1

    公开(公告)日:2022-03-24

    申请号:PCT/EP2021/075655

    申请日:2021-09-17

    Applicant: CYNORA GMBH

    Abstract: The present invention relates to organic electroluminescent devices comprising a light-emitting layers B comprising a TADF material, a small full width at half maximum (FWHM) emitter SB emitting blue light with an FWHM of less than or equal to 0.25 eV, and a host material HB, and an optional excitation energy transfer component EET-2. Furthermore, the present invention relates to a method for generating blue light by means of an organic electroluminescent device according to the present invention.

    ORGANIC ELECTROLUMINESCENT DEVICE EMITTING BLUE LIGHT

    公开(公告)号:WO2022058515A1

    公开(公告)日:2022-03-24

    申请号:PCT/EP2021/075642

    申请日:2021-09-17

    Applicant: CYNORA GMBH

    Abstract: The present invention relates to organic electroluminescent devices comprising a light-emitting layers B comprising a TADF material, an excitation energy transfer component EET-2, a small full width at half maximum (FWHM) emitter SB emitting blue light with an FWHM of less than or equal to 0.25 eV, and a host material HB. Furthermore, the present invention relates to a method for generating blue light by means of an organic electroluminescent device according to the present invention.

    ORGANIC ELECTROLUMINESCENT DEVICE
    5.
    发明申请

    公开(公告)号:WO2022058508A1

    公开(公告)日:2022-03-24

    申请号:PCT/EP2021/075633

    申请日:2021-09-17

    Applicant: CYNORA GMBH

    Abstract: The present invention relates to a an organic electroluminescent device comprising at least one light-emitting layer B composed of one or more sublayers, wherein the one or more sublayers of the light-emitting layer B as a whole comprise at least one host material HB, at least one phosphorescence material PB, at least one small FWHM emitter SB, and optionally at least one TADF material EB, wherein SB emits light with a full width at half maximum (FWHM) of less than or equal to 0.25 eV.

    ORGANIC ELECTROLUMINESCENT DEVICE
    6.
    发明申请

    公开(公告)号:WO2022058501A1

    公开(公告)日:2022-03-24

    申请号:PCT/EP2021/075624

    申请日:2021-09-17

    Applicant: CYNORA GMBH

    Abstract: The invention relates to a an organic electroluminescent device comprising at least one light-emitting layer B composed of one or more sublayers, wherein the one or more sublayers of the light-emitting layer B as a whole comprise at least one host material HB, at least one phosphorescence material PB, at least one small FWHM emitter SB, and optionally at least one TADF material EB, wherein SB emits light with a full width at half maximum (FWHM) of less than or equal to 0.25 eV.

    STYRENIC COPOLYMER COMPOSITION WITH PMMA AND IMPROVED WEATHERING RESISTANCE

    公开(公告)号:WO2021074154A1

    公开(公告)日:2021-04-22

    申请号:PCT/EP2020/078786

    申请日:2020-10-13

    Abstract: The invention relates to a thermoplastic molding composition (P) comprising: (A) thermoplastic polymer composition (A) comprising: (A-1) 10 to 50 wt.-% of graft copolymer (A-1), (A-2) 1 to 50 wt.-%, of thermoplastic polymer matrix (A-2) based on one or more vinylaromatic copolymers, (A-3) 20 to 50 wt.-%, of polymerized alkyl methacrylate component (A-3), and (A-4) 0 to 45 wt.-% of comonomer which is copolymerized with the at least one polymerized alkyl methacrylate component (A-3), where the sum of (A-1), (A-2), (A-3) and optional comonomers (A-4) is 83.2 to 99.8 wt.-%; (B) a hindered amine light stabilizer composition (B), comprising at least two of substances (B-1) to (B-3): (B-1) 0 to 0.9 wt.-%, of at least one hindered amine light stabilizer having a dipiperidine structure with at least one alkyl group at each of the 2 and 6 positions of the dipiperidine structure (B-2) 0 to 0.9 wt.-%, of a hindered amine light stabilizer mixture having a monopiperidine structure with at least one alkyl group at each of the 2 and 6 positions of the monopiperidine structure, and (B-3) 0 to 2 wt.-%, of at least one hindered amine light stabilizer having a polymeric structure comprising piperidine groups with at least one alkyl group at each of the 2 and 6 positions of the piperidine groups (C) 0 to 5 wt.-%, of one or more further additives (C), different from (B); and (D) 0 to 10 wt.-%, of colorants, dyes and/or pigments (D), different from (C); wherein the constituents (A) to (D) sum up to 100 wt.-% of the molding composition (P).

    BLACK STYRENE COPOLYMER COMPOSITIONS FOR HIGH GLOSS EXTERIOR APPLICATIONS

    公开(公告)号:WO2021074152A1

    公开(公告)日:2021-04-22

    申请号:PCT/EP2020/078783

    申请日:2020-10-13

    Abstract: The invention relates to a molding composition (P) comprising: (A) 83.2 to 98.5 wt.-% of a thermoplastic polymer composition (A) comprising: (A-1) at least one graft copolymer (A-1), and (A-2) at least one thermoplastic matrix polymer (A-2) based on one or more vinylaromatic copolymers; (B) 1.5 to 3 wt.-% of carbon black (B) or a mixture of carbon blacks (B); (C) a hindered amine light stabilizer composition (C), comprising at least two of substances (C-1) to (C-3): (C-1) 0 to 0.9 wt.-%, based on the total weight of the molding composition (P), of at least one hindered amine light stabilizer having a dipiperidine structure with at least one alkyl group at each of the 2 and 6 positions of the dipiperidine structure, (C-2) 0 to 0.9 wt.-% of a hindered amine light stabilizer mixture having a monopiperidine structure with at least one alkyl group at each of the 2 and 6 positions of the monopiperidine structure and (C-3) 0 to 2 wt.-%, of at least one hindered amine light stabilizer having a polymeric structure comprising piperidine groups with at least one alkyl group at each of the 2 and 6 positions of the piperidine groups provided that the at least one hindered amine light stabilizer composition (C) is present in the molding composition (P) in an amount of at least 0.2 wt.-%; (D) 0 to 5 wt.-%, of one or more further additives (D), different from (B) and (C); and (E) 0 to 5 wt.-%, of one or more further colorants, dyes or pigments (E), different from (B) and (D); wherein the constituents (A) to (E) sum up to 100 wt.-% of the molding composition (P).

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