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    PLANAR VARIFOCAL LENS
    43.
    发明申请
    PLANAR VARIFOCAL LENS 审中-公开

    公开(公告)号：US20180081150A1

    公开(公告)日：2018-03-22

    申请号：US15677670

    申请日：2017-08-15

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Sunghyun NAM ,  Junghyun PARK ,  Sanghun LEE

    IPC: G02B13/00 ,  G02B7/10

    CPC classification number: G02B13/0015 ,  G02B1/002 ,  G02B3/0081 ,  G02B5/1809 ,  G02B7/10 ,  G02B2207/107 ,  G02F1/0311

    Abstract: A varifocal lens includes a first phase plate including a plurality of first phase conversion elements having different sizes from each other, and a second phase plate including a plurality of second phase conversion elements having different sizes from each other, where the first phase plate and the second phase plate face each other along an optical axis and are movable relative to each other in a direction perpendicular to the optical axis to create displacement between the first phase plate and the second phase plate, and the plurality of first phase conversion elements and the plurality of second phase conversion elements are configured so that light transmitted through the first phase plate and the second phase plate is focused on different positions on the optical axis depending on the displacement between the first phase plate and the second phase plate.

    PHASE MODULATION DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME
    45.
    发明申请
    PHASE MODULATION DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME 有权

    公开(公告)号：US20240419050A1

    公开(公告)日：2024-12-19

    申请号：US18523384

    申请日：2023-11-29

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Junghyun PARK ,  Sunil KIM ,  Minkyung LEE ,  Byunggil JEONG

    IPC: G02F1/29 ,  H01S5/042 ,  H01S5/125

    Abstract: A phase modulation device includes an upper reflective layer onto which incident light is incident; a lower reflective layer provided on a lower portion of the upper reflective layer; an active layer provided between the upper reflective layer and the lower reflective layer; a first electrode connected to an upper surface of the active layer; and a second electrode connected to a lower surface of the active layer, wherein the lower reflective layer may include a first distributed Bragg reflector (DBR) layer including at least one first low refractive material layer and at least one first high refractive material layer that are alternately stacked, and the at least one first low refractive material layer has a first refractive index and the at least one first high refractive material layer has a second refractive index that is greater than the first refractive index.

    SUBSTRATE INCLUDING TEST CIRCUIT AND SUBSTRATE TEST APPARATUS INCLUDING THE SUBSTRATE
    47.
    发明公开
    SUBSTRATE INCLUDING TEST CIRCUIT AND SUBSTRATE TEST APPARATUS INCLUDING THE SUBSTRATE 审中-公开

    公开(公告)号：US20240194542A1

    公开(公告)日：2024-06-13

    申请号：US18364119

    申请日：2023-08-02

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Junghyun PARK ,  Yongil KWAK ,  Jekook LYU ,  Heeju SEO

    IPC: H01L21/66 ,  G01R31/28 ,  H01L25/065

    CPC classification number: H01L22/34 ,  G01R31/2893 ,  H01L22/32 ,  H01L25/0655

    Abstract: Provided are a substrate including a test circuit capable of testing a damaged state thereof. The substrate includes a substrate body, and a test circuit arranged on at least one of an upper surface and a lower surface of the substrate body, wherein the test circuit includes two contact pads and at least one test wiring, the two contact pads being at an end portion of the substrate body and configured to contact two probe pins of a test element, the test wiring extending to surround an outer periphery portion of the substrate body and configured to connect the two contact pads to each other, and wherein, in an electrical test using the test element, when the test wiring is in a closed state, the substrate body is determined as normal, and when the test wiring is in an open state, the substrate body is determined as defective.

    METAOPTICS AND ELECTRONICS APPARATUSES INCLUDING THE SAME
    49.
    发明申请
    METAOPTICS AND ELECTRONICS APPARATUSES INCLUDING THE SAME 有权

    公开(公告)号：US20230131778A1

    公开(公告)日：2023-04-27

    申请号：US17971112

    申请日：2022-10-21

    Applicant: Samsung Electronics Co., Ltd. ,  CALIFORNIA INSTITUTE OF TECHNOLOGY

    Inventor： Junghyun PARK ,  Meir GRAJOWER ,  Harry ATWATER ,  Ruzan SOHKOYAN

    IPC: G02F1/29

    Abstract: Provided is a metaoptic configured to modulate incident light in a wavelength band, the metaoptic including a plurality of meta units respectively including a first semiconductor layer, an active layer provided on the first semiconductor layer, the active layer having a multiple quantum well structure and a refractive index variable based on a voltage applied thereto, and a second semiconductor layer provided on the active layer and doped with a polarity opposite to a polarity of the first semiconductor layer, wherein at least one of the plurality of meta units includes a plurality of first elements having a cylindrical shape and periodically provided spaced apart from each other in a first direction, and a plurality of second elements connecting the plurality of first elements to each other, and wherein the plurality of meta units are provided in a second direction that is perpendicular to the first direction.

    SPATIAL LIGHT MODULATORS, METHODS OF DRIVING AND MANUFACTURING THE SAME, AND APPARATUSES INCLUDING THE SPATIAL LIGHT MODULATORS
    50.
    发明申请
    SPATIAL LIGHT MODULATORS, METHODS OF DRIVING AND MANUFACTURING THE SAME, AND APPARATUSES INCLUDING THE SPATIAL LIGHT MODULATORS 有权

    公开(公告)号：US20230117216A1

    公开(公告)日：2023-04-20

    申请号：US17987282

    申请日：2022-11-15

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Minkyung LEE ,  Sunil KIM ,  Junghyun PARK ,  Byunggil JEONG

    IPC: G02B26/10 ,  G02B26/08

    Abstract: Provided are spatial light modulators, methods of driving and manufacturing the same, and apparatuses including the spatial light modulators. The spatial light modulator according to an example embodiment includes a substrate, a distributed Bragg reflector (DBR) layer stacked on one surface of the substrate, a cavity layer on the DBR layer, a pixel layer on the cavity layer and including a plurality of pixels, and a heat blocking member between the plurality of pixels to block heat transfer between the plurality of pixels, wherein a material layer having a lower thermal conductivity than the lowermost layer of the DBR layer is provided between the substrate and the DBR layer, and each of the plurality of pixels includes a plurality of active meta-patterns. In one example, the material layer, the DBR layer, and the cavity layer are each divided corresponding to the plurality of pixels, and the heat blocking member is provided between the divided material layers, between the divided DBR layers, and between the divided cavity layers.

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