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    Light-Emitting Device and Electronic Device
    1.
    发明申请
    Light-Emitting Device and Electronic Device 审中-公开

    公开(公告)号：US20190229158A1

    公开(公告)日：2019-07-25

    申请号：US16265203

    申请日：2019-02-01

    Applicant: Semiconductor Energy Laboratory Co., Ltd.

    Inventor： Satoshi Seo ,  Toshiki Sasaki ,  Ryohei YAMAOKA

    IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50

    Abstract: Provided is a light-emitting device that can display an image with a wide color gamut or a novel light-emitting element. The light-emitting device includes a plurality of light-emitting elements each of which includes an EL layer between a pair of electrodes. Light obtained from a first light-emitting element through a first color filter has, on chromaticity coordinates (x, y), a chromaticity x of greater than 0.680 and less than or equal to 0.720 and a chromaticity y of greater than or equal to 0.260 and less than or equal to 0.320. Light obtained from a second light-emitting element through a second color filter has, on chromaticity coordinates (x, y), a chromaticity x of greater than or equal to 0.130 and less than or equal to 0.250 and a chromaticity y of greater than 0.710 and less than or equal to 0.810. Light obtained from a third light-emitting element through a third color filter has, on chromaticity coordinates (x, y), a chromaticity x of greater than or equal to 0.120 and less than or equal to 0.170 and a chromaticity y of greater than or equal to 0.020 and less than 0.060.

    DISPLAY DEVICE, DISPLAY MODULE, AND ELECTRONIC DEVICE
    3.
    发明申请
    DISPLAY DEVICE, DISPLAY MODULE, AND ELECTRONIC DEVICE 审中-公开

    公开(公告)号：US20200075686A1

    公开(公告)日：2020-03-05

    申请号：US16676567

    申请日：2019-11-07

    Applicant: Semiconductor Energy Laboratory Co., Ltd.

    Inventor： Ryohei YAMAOKA ,  Satoshi SEO ,  Daiki NAKAMURA

    IPC: H01L27/32 ,  H01L51/50 ,  H01L51/52

    Abstract: A display device with a wide viewing angle is provided. A display device capable of displaying an image with a wide color gamut is provided. A display device includes a first light-emitting element, a second light-emitting element, and a third light-emitting element. The light-emitting elements each include a pair of electrodes and a light-emitting layer. One of the pair of electrodes includes a reflective electrode, and the other of the pair of electrodes includes a transflective electrode. The light-emitting layers of the light-emitting elements are different from each other. A first peak wavelength of the emission spectrum of the first light-emitting element is greater than or equal to 400 nm and less than or equal to 480 nm. A second peak wavelength of the emission spectrum of the second light-emitting element is greater than or equal to 580 nm and less than or equal to 700 nm. A third peak wavelength of the emission spectrum of the third light-emitting element is between the first peak wavelength and the second peak wavelength. The distance between the pair of electrodes of the first light-emitting element is longest and that of the second light-emitting element is second longest.

    LIGHT-EMITTING DEVICE, LIGHT-EMITTING APPARATUS, ELECTRONIC DEVICE, AND LIGHTING DEVICE
    6.
    发明申请
    LIGHT-EMITTING DEVICE, LIGHT-EMITTING APPARATUS, ELECTRONIC DEVICE, AND LIGHTING DEVICE 有权

    公开(公告)号：US20210234115A1

    公开(公告)日：2021-07-29

    申请号：US17055933

    申请日：2019-05-10

    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

    Inventor： Satoshi SEO ,  Toshiki SASAKI ,  Ryohei YAMAOKA ,  Shiho NOMURA

    IPC: H01L51/50 ,  H01L51/52

    Abstract: A novel light-emitting device with high emission efficiency is provided. A light-emitting device with a high blue index (BI) is provided. A light-emitting device with low power consumption is provided. A light-emitting device including a first electrode and a second electrode which are a reflective electrode and a semi-transmissive and semi-reflective electrode, and an EL layer sandwiched between the first electrode and the second electrode, where the EL layer contains an emission center substance, where when the emission center substance in the EL layer includes only one kind of substance, photon energy of a peak wavelength of light emitted from the light-emitting device is designed from an average value of photon energy of light emitted by the emission center substance in a solution state and emission edge energy on a short wavelength side of an emission spectrum of the emission center substance in the solution state.

    DISPLAY DEVICE, DISPLAY MODULE, AND ELECTRONIC DEVICE
    7.
    发明申请
    DISPLAY DEVICE, DISPLAY MODULE, AND ELECTRONIC DEVICE 审中-公开

    公开(公告)号：US20180247981A1

    公开(公告)日：2018-08-30

    申请号：US15899620

    申请日：2018-02-20

    Applicant: Semiconductor Energy Laboratory Co., Ltd.

    Inventor： Ryohei YAMAOKA ,  Satoshi SEO ,  Daiki NAKAMURA

    IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50

    CPC classification number: H01L27/3209 ,  H01L27/3206 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5203 ,  H01L2251/558

    Abstract: A display device with a wide viewing angle is provided. A display device capable of displaying an image with a wide color gamut is provided. A display device includes a first light-emitting element, a second light-emitting element, and a third light-emitting element. The light-emitting elements each include a pair of electrodes and a light-emitting layer. One of the pair of electrodes includes a reflective electrode, and the other of the pair of electrodes includes a transflective electrode. The light-emitting layers of the light-emitting elements are different from each other. A first peak wavelength of the emission spectrum of the first light-emitting element is greater than or equal to 400 nm and less than or equal to 480 nm. A second peak wavelength of the emission spectrum of the second light-emitting element is greater than or equal to 580 nm and less than or equal to 700 nm. A third peak wavelength of the emission spectrum of the third light-emitting element is between the first peak wavelength and the second peak wavelength. The distance between the pair of electrodes of the first light-emitting element is longest and that of the second light-emitting element is second longest.

    Light-Emitting Device, Electronic Device, and Lighting Device
    8.
    发明申请
    Light-Emitting Device, Electronic Device, and Lighting Device 有权
    发光装置，电子装置和照明装置

    公开(公告)号：US20160093678A1

    公开(公告)日：2016-03-31

    申请号：US14869234

    申请日：2015-09-29

    Applicant: Semiconductor Energy Laboratory Co., Ltd.

    Inventor： Satoshi Seo ,  Ryohei YAMAOKA ,  Shogo UESAKA

    IPC: H01L27/32 ,  H01L51/50 ,  H01L51/52

    CPC classification number: H01L51/5265 ,  H01L27/3211 ,  H01L27/3216 ,  H01L27/322 ,  H01L27/323 ,  H01L51/504 ,  H01L51/5068 ,  H01L51/5084 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5215 ,  H01L51/5221 ,  H01L51/5234 ,  H01L2251/5376 ,  H01L2251/558

    Abstract: To provide a novel light-emitting device with high productivity, the light-emitting device includes a first light-emitting element, a second light-emitting element, and a third light-emitting element. In the first light-emitting element, a first lower electrode, a first transparent conductive layer, a first light-emitting layer, a second light-emitting layer, and an upper electrode are stacked in this order. In the second light-emitting element, a second lower electrode, a second transparent conductive layer, the first light-emitting layer, the second light-emitting layer, and the upper electrode are stacked in this order. In the third light-emitting element, a third lower electrode, a third transparent conductive layer, the second light-emitting layer, and the upper electrode are stacked in this order. The first transparent conductive layer includes a first region. The second transparent conductive layer includes a second region as thick as the third transparent conductive layer. The first region is thicker than the second region.

    Abstract translation: 为了提供高生产率的新颖的发光装置，发光装置包括第一发光元件，第二发光元件和第三发光元件。 在第一发光元件中，依次堆叠第一下电极，第一透明导电层，第一发光层，第二发光层和上电极。 在第二发光元件中，依次层叠第二下部电极，第二透明导电层，第一发光层，第二发光层和上部电极。 在第三发光元件中，依次层叠第三下电极，第三透明导电层，第二发光层和上电极。 第一透明导电层包括第一区域。 第二透明导电层包括与第三透明导电层一样厚的第二区域。 第一区域比第二区域厚。

    LIGHT-EMITTING DEVICE, LIGHT-EMITTING APPARATUS, ELECTRONIC DEVICE, AND LIGHTING DEVICE
    9.
    发明公开
    LIGHT-EMITTING DEVICE, LIGHT-EMITTING APPARATUS, ELECTRONIC DEVICE, AND LIGHTING DEVICE 审中-公开

    公开(公告)号：US20240292642A1

    公开(公告)日：2024-08-29

    申请号：US18586676

    申请日：2024-02-26

    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

    Inventor： Satoshi SEO ,  Toshiki SASAKI ,  Ryohei YAMAOKA ,  Shiho NOMURA

    IPC: H10K50/11 ,  H10K50/818 ,  H10K50/828

    CPC classification number: H10K50/11 ,  H10K50/818 ,  H10K50/828

    Abstract: Alight-emitting device with high emission efficiency is provided. Alight-emitting device with a high blue index (BI) is provided. A light-emitting device with low power consumption is provided. A light-emitting device including a first electrode and a second electrode which are a reflective electrode and a semi-transmissive and semi-reflective electrode, and an EL layer sandwiched between the first electrode and the second electrode, where the EL layer contains an emission center substance, where when the emission center substance in the EL layer includes only one kind of substance, photon energy of a peak wavelength of light emitted from the light-emitting device is designed from an average value of photon energy of light emitted by the emission center substance in a solution state and emission edge energy on a short wavelength side of an emission spectrum of the emission center substance in the solution state.

    DISPLAY DEVICE AND ELECTRONIC DEVICE
    10.
    发明申请
    DISPLAY DEVICE AND ELECTRONIC DEVICE 审中-公开

    公开(公告)号：US20200243482A1

    公开(公告)日：2020-07-30

    申请号：US16845386

    申请日：2020-04-10

    Applicant: Semiconductor Energy Laboratory Co., Ltd.

    Inventor： Daiki NAKAMURA ,  Yusuke NISHIDO ,  Satoshi SEO ,  Toshiki SASAKI ,  Ryohei YAMAOKA ,  Akihiro KAITA

    IPC: H01L25/065 ,  H01L27/32

    Abstract: A display panel includes a plurality of light-emitting elements. Light emitted from a first light-emitting element has a CIE 1931 chromaticity coordinate x of greater than 0.680 and less than or equal to 0.720 and a CIE 1931 chromaticity coordinate y of greater than or equal to 0.260 and less than or equal to 0.320. Light emitted from a second light-emitting element has a CIE 1931 chromaticity coordinate x of greater than or equal to 0.130 and less than or equal to 0.250 and a CIE 1931 chromaticity coordinate y of greater than 0.710 and less than or equal to 0.810. Light emitted from a third light-emitting element has a CIE 1931 chromaticity coordinate x of greater than or equal to 0.120 and less than or equal to 0.170 and a CIE 1931 chromaticity coordinate y of greater than or equal to 0.020 and less than 0.060.

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