DISPLAY DEVICE
    1.
    发明公开
    DISPLAY DEVICE 审中-公开

    公开(公告)号:EP3374984A1

    公开(公告)日:2018-09-19

    申请号:EP16819085.8

    申请日:2016-12-21

    申请人: Avantama AG

    摘要: A display device comprises a light emitter comprising a set (3) of light emitter portions (31, 32, 33), wherein at least one light emitter portion (31) of the set is configured to emit light with an excitation wavelength, and a color conversion layer comprising a set (2) of conversion layer portions (21, 22). At least one conversion layer portion (21) of the set (2) comprises a film comprising a solid polymer composition, wherein the solid polymer composition comprises luminescent crystals (11) wherein the luminescent crystals (11) are of perovskite structure, and are selected from compounds of formula (I) : M1 aM2 bXc, wherein M1 represents Cs, optionally doped with up to 30 mol% of one or more other metals having coordination number 12, M2 represents Pb, optionally doped with up to 30 mol% of one or more metals having coordination number 6, and X independently represents anions selected from the group consisting of CI, Br, I, cyanide, and thiocyanate. The luminescent crystals (11) are of size between 3 nm and 3000 ran, and emit light of a wavelength in response to excitation by the light emitted by at least one corresponding light emitter portion (31) of the set (3), wherein the excitation wavelength is shorter than the wavelength.

    SOLID POLYMER COMPOSITION, A SELF-SUPPORTING FILM AND A LIGHT EMITTING DEVICE

    公开(公告)号:EP3916070A1

    公开(公告)日:2021-12-01

    申请号:EP20177385.0

    申请日:2020-05-29

    申请人: Avantama AG

    摘要: The invention refers in a first aspect to a solid polymer composition 100 comprising green luminescent perovskite crystals 1, non-perovskite red phosphor particles 2, and a polymer 3. The polymer has a molar ratio of the sum of (oxygen + nitrogen) to carbon z, wherein z ≤ 0.9, z ≤ 0.75 in particular z ≤ 0.4, in particular z ≤ 0.3, in particular z ≤ 0.25.
    A second aspect of the invention refers to a self-supporting film comprising the solid polymer composition 100.
    A third aspect of the invention refers to a light emitting device comprising either the solid polymer composition 100 or the self-supporting film.

    LIGHT EMITTING COMPONENT AND LIGHT EMITTING DEVICE

    公开(公告)号:EP3981854A1

    公开(公告)日:2022-04-13

    申请号:EP20200906.4

    申请日:2020-10-08

    申请人: Avantama AG

    摘要: A light emitting component comprising a first light source (11) for emitting blue light (aa), a second light source (12) for emitting red light (bb), and a luminescent layer (100) comprising a solid polymer composition and green luminescent crystals (1). The solid polymer composition comprises a polymer (2). The green luminescent crystals (1) are perovskite crystals. The first (11) and the second (12) light source are directed to the luminescent layer (100). Upon absorption of the light emitted by the first light source (11), the luminescent crystals (20) emit light of a wavelength in the green light spectrum (cc) .

    LUMINESCENT COMPONENT
    7.
    发明授权

    公开(公告)号:EP3230401B1

    公开(公告)日:2018-06-27

    申请号:EP16810391.9

    申请日:2016-12-15

    申请人: Avantama AG

    IPC分类号: C09K11/02 C09K11/66

    摘要: A luminescent component comprises a first film comprising a first solid polymer composition and a second film comprising a second solid polymer composition. The first solid polymer composition comprises first luminescent crystals. The second solid polymer composition comprises second luminescent crystals. The first luminescent crystals are of size between 3 nm and 3000 nm, and emit red light in response to excitation by light with a shorter wavelength. The second luminescent crystals are of size between 3 nm and 3000 nm, and emit green light in response to excitation by light with a shorter wavelength. Said luminescent component is particularly suited for the application in LCD-backlight color conversion.

    COLOR CONVERSION FILM WITH ALD SEALED EDGES
    8.
    发明公开

    公开(公告)号:EP4321926A1

    公开(公告)日:2024-02-14

    申请号:EP22189469.4

    申请日:2022-08-09

    申请人: Avantama AG

    IPC分类号: G02F1/1335 F21V8/00

    摘要: The present invention relates to edge-sealed color conversion films. The color conversion film, upon excitation with blue light, emits light in the visible range. The edge sealing contains inorganic material, having a thickness of 1 - 500 nm, a thickness standard deviation of less than 10%, is located on all edges of the native color conversion film, thereby providing a complete and defect-free covering of the edges. The invention further provides to the manufacturing of such edge-sealed color conversion films using ALD techniques.

    SOLID POLYMER COMPOSITION
    10.
    发明公开

    公开(公告)号:EP3458547A1

    公开(公告)日:2019-03-27

    申请号:EP17737223.2

    申请日:2017-06-26

    申请人: Avantama AG

    IPC分类号: C09K11/66

    摘要: The present invention relates in a first aspect to a solid polymer component comprising luminescent crystals of 3-500 nm size, surfactant and a hardened/cured polymer. In a second aspect of the invention, a luminescent component comprises a first element comprising the solid polymer component according to the first aspect and an encapsulation enclosing the first element. In a third aspect of the invention, a luminescent component comprises a first film comprising the solid polymer composition of the first aspect. A fourth aspect of the invention relates to a light emitting device comprising the luminescent component according to the second or third aspect of the invention and a light source.