Backlight unit and liquid crystal display including same
    104.
    发明授权
    Backlight unit and liquid crystal display including same 有权
    背光单元和包括其的液晶显示器

    公开(公告)号:US09322979B2

    公开(公告)日:2016-04-26

    申请号:US13728977

    申请日:2012-12-27

    Abstract: A backlight unit for a liquid crystal display device including an light emitting diode light source; a light conversion layer disposed apart from the light emitting diode light source, wherein the light conversion layer is configured to convert light emitted from the light emitting diode light source to white light and provide the white light to a liquid crystal panel; and a light guide panel disposed between the light emitting diode light source and the light conversion layer, wherein the light conversion layer includes a semiconductor nanocrystal and a polymer matrix, wherein the semiconductor nanocrystal is coated with a first polymer, and wherein the polymer matrix comprises a thermoplastic second polymer.

    Abstract translation: 一种用于包括发光二极管光源的液晶显示装置的背光单元; 与所述发光二极管光源分离设置的光转换层,其中所述光转换层被配置为将从所述发光二极管光源发射的光转换为白光并将白光提供给液晶面板; 以及配置在所述发光二极管光源与所述光转换层之间的导光板,其中所述光转换层包括半导体纳米晶体和聚合物基体,其中所述半导体纳米晶体被第一聚合物涂覆,并且其中所述聚合物基体包含 热塑性第二聚合物。

    Core shell quantum dot and electronic device including the same

    公开(公告)号:US12232347B2

    公开(公告)日:2025-02-18

    申请号:US18404975

    申请日:2024-01-05

    Abstract: A cadmium-free, core shell quantum dot, a quantum dot polymer composite, and electronic devices including the quantum dot polymer composite. The core shell quantum dot has an extinction coefficient per gram of greater than or equal to 0.3, an ultraviolet-visible absorption spectrum curve that has a positive differential coefficient value at 450 nm, wherein the core shell quantum dot includes a semiconductor nanocrystal core including indium and phosphorus, and optionally zinc, and a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the shell including zinc, selenium, and sulfur, wherein the core shell quantum dot has a quantum efficiency of greater than or equal to about 80%, and is configured to emit green light upon excitation.

    Display panel and electronic device including the same

    公开(公告)号:US12225800B2

    公开(公告)日:2025-02-11

    申请号:US17686934

    申请日:2022-03-04

    Abstract: A display panel may include a light emitting panel, and a color conversion panel. The light emitting panel is configured to emit incident light including a first light and a second light, a luminescent peak wavelength of the first light may be greater than or equal to about 450 nm and less than or equal to about 480 nm and a luminescent peak wavelength of the second light may be greater than or equal to about 500 nm and less than or equal to about 580 nm. The color conversion panel includes a color conversion layer including a conversion region, and optionally, a partition wall defining each region of the color conversion panel. The color conversion region includes a first region corresponding to a red pixel, and the first region include a first composite including a matrix and a plurality of luminescent nanostructures dispersed in the matrix, and in the UV-Vis absorption spectrum, an absorbance ratio at a wavelength of 520 nm with respect to a wavelength of 350 nm may be greater than or equal to about 0.04:1.

    Luminescent nanostructure, and color conversion panel and electronic device including the same

    公开(公告)号:US12195656B2

    公开(公告)日:2025-01-14

    申请号:US17687453

    申请日:2022-03-04

    Abstract: A color conversion panel that includes a color conversion layer including two or more color conversion regions, and optionally, a partition wall defining the regions of the color conversion layer, and a display device including the color conversion panel. The color conversion region includes a first region corresponding to a first pixel, and the first region includes a first composite including a matrix and a plurality of luminescent nanostructures dispersed in the matrix. The luminescent nanostructures include a first semiconductor nanocrystal including a Group III-V compound and a second semiconductor nanocrystal including a zinc chalcogenide. The Group III-V compound includes indium, phosphorus, and optionally, zinc or gallium, or zinc and gallium, and the zinc chalcogenide includes zinc, selenium, and sulfur. The luminescent nanostructures further include aluminum and chlorine, and a mole ratio of aluminum to sulfur (Al:S) is less than about 0.15:1, a mole ratio of chlorine to sulfur (Cl:S) is less than about 0.1:1, and a mole ratio of sulfur to selenium (S:Se) is greater than or equal to about 2:1. The luminescent nanostructures don not include cadmium.

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