Display device
    2.
    发明授权

    公开(公告)号:US11139348B2

    公开(公告)日:2021-10-05

    申请号:US16674050

    申请日:2019-11-05

    IPC分类号: H01L27/32 H01L51/52

    摘要: A display device is provided. The display device includes a substrate; a light-emitting layer providing first light having a first wavelength; and a light converter disposed on the light-emitting layer, wherein the plurality of pixels include first, second, third, and fourth pixels which includes first and second subpixels, the light converter includes a first wavelength conversion layer and a second wavelength conversion layer disposed in the first pixel and the second pixel, respectively, a light-transmitting layer disposed in the third pixel, and a third wavelength conversion layer disposed in the first subpixel, the first wavelength conversion layer and the second wave length conversion layer include a first wavelength conversion material and a second wavelength conversion material which convert the first light into light having different wavelength, respectively, the third wavelength conversion layer includes the first and second wavelength conversion materials.

    Color conversion element and display device including the same

    公开(公告)号:US11513385B2

    公开(公告)日:2022-11-29

    申请号:US16413539

    申请日:2019-05-15

    IPC分类号: G02F1/1335 H01L27/32

    摘要: A color conversion element and a display device including the same are provided. The color conversion element includes: a base substrate in which a first region and a second region are defined; a color conversion layer on the base substrate, in the first region, and including color conversion particles configured to convert a wavelength of incident light; and a color light transmitting layer on the base substrate and in the second region; wherein each of the color conversion particles includes a compound represented by Formula 1 (AmBnXl - - - (1)), where, in Formula 1, A is Cs, Rb, or an alloy thereof; B is at least one of Cu, Sb, Ge, Sn, and Bi, or an alloy thereof; m, n, and l are each an integer of 1 to 9; and X is at least one of F, Cl, Br, and I, or a mixture thereof.

    Liquid crystal display having quantum dot light guide

    公开(公告)号:US10302838B2

    公开(公告)日:2019-05-28

    申请号:US15349877

    申请日:2016-11-11

    摘要: A liquid crystal display according to an exemplary embodiment of the present invention includes a display panel and a light assembly configured to provide light to the display panel, wherein the light assembly includes: a light-emitting device configured to emit first light; a light guide positioned to receive the first light; and a quantum dot sheet positioned on the light guide and positioned to receive the first light from the light guide, the quantum dot sheet configured to emit second light responsive to the received first light. The quantum dot sheet includes a nanophosphor and an antioxidant, and the antioxidant includes at least one compound selected from a group including a phenol-based compound, a phosphorus-based compound, and a sulfur-based compound.

    Display device
    7.
    发明授权

    公开(公告)号:US11444258B2

    公开(公告)日:2022-09-13

    申请号:US17148756

    申请日:2021-01-14

    IPC分类号: H01L51/50 H01L51/52 H01L27/32

    摘要: A display device includes first and second light emitting regions; first and second pixel electrodes in the first and second light emitting regions, respectively; a first organic layer in the first light emitting region, including first and second light emitting layers; a second organic layer in the second light emitting region, including a third light emitting layer; a common electrode on the first and second organic layers; a wavelength conversion pattern on the common electrode, overlapping the first organic layer, and wavelength-converting light of a first color into light of a second color, different from the first color; and a light transmitting pattern on the common electrode, overlapping the second organic layer. The third light emitting layer and one of the first and second light emitting layers emit light of the first color, and another one of the first and second light emitting layers emits light of the second color.

    Display device
    8.
    发明授权

    公开(公告)号:US11227980B2

    公开(公告)日:2022-01-18

    申请号:US16542999

    申请日:2019-08-16

    摘要: A display device includes: a substrate; a plurality of pixels on the substrate, and each of the pixels including first to third sub-pixels each including at least one light emitting diode configured to emit light; and a color conversion layer including first to third color conversion patterns respectively corresponding to the first to third sub-pixels, each of the first to third color conversion patterns configured to transmit the light or convert the light into light of a different color. The light emitting diode of each of the first to third sub-pixels is coupled to a first electrode and a second electrode. At least one of the first to third color conversion patterns includes a perovskite compound.

    Display device
    9.
    发明授权

    公开(公告)号:US10705271B2

    公开(公告)日:2020-07-07

    申请号:US16017936

    申请日:2018-06-25

    摘要: A display device includes: a display panel; and a color conversion panel overlapping the display panel, wherein the color conversion panel includes a red color conversion layer and a green color conversion layer including a semiconductor nanocrystal, and a transmissive layer; a red color filter overlapping the red color conversion layer; a green color filter overlapping the green color conversion layer; and a blue color filter overlapping the transmissive layer and a light blocking member, and the light blocking member includes at least one of a blue dye and a blue pigment.