DUAL CONNECTION CIRCUIT AND ELECTRONIC DEVICE INCLUDING SAME

    公开(公告)号:US20220416820A1

    公开(公告)日:2022-12-29

    申请号:US17896500

    申请日:2022-08-26

    Abstract: Various embodiments of the disclosure disclose a method and apparatus, comprising: a communication processor; a radio frequency integrated circuit (RFIC) connected to the communication processor and outputting at least one of a first radio frequency signal, a second radio frequency signal, a third radio frequency signal, and a fourth radio frequency signal; a first circuit connected to the RFIC and including a first filter; a first radio frequency front end (RFFE) connected to the first circuit and including a first amplifier configured to amplify the first radio frequency signal and/or the third radio frequency signal; and a second RFFE including a second amplifier configured to amplify the second radio frequency signal and/or the fourth radio frequency signal output from the RFIC, wherein the communication processor is configured to control the first circuit to remove the fourth radio frequency signal induced to the first circuit through the first filter.

    ELECTRONIC DEVICE AND METHOD FOR TRANSMITTING OR RECEIVING SIGNALS OF PLURALITY OF FREQUENCY BANDS

    公开(公告)号:US20210083755A1

    公开(公告)日:2021-03-18

    申请号:US17023955

    申请日:2020-09-17

    Abstract: The disclosure relates to a device and a method for efficiently detecting signals when signals of a plurality of frequency bands are simultaneously transmitted and/or received.
    An electronic device according to various embodiments of the disclosure includes: a processor, a plurality of couplers configured to detect signals of a plurality of frequency bands being simultaneously transmitted and/or received, a plurality of first switches connected to at least parts of the plurality of couplers and configured to adjust directions of the signals being detected, a plurality of second switches connected to the first switches and configured to block signals being output from the first switches, and a third switch connected to the plurality of second switches and configured to select one of the plurality of second switches, wherein the processor is configured to control the first switches, the second switches, and the third switch to detect one of the signals being simultaneously transmitted and/or received.

    LIQUID CRYSTAL DISPLAY
    17.
    发明申请

    公开(公告)号:US20190018281A1

    公开(公告)日:2019-01-17

    申请号:US16032881

    申请日:2018-07-11

    Abstract: A liquid crystal display includes a lower substrate and an upper substrate facing each other, a liquid crystal layer between the lower substrate and the upper substrate, a color conversion layer on the liquid crystal layer, a first polarizing layer and a first phase difference layer between the liquid crystal layer and the color conversion layer, and a second polarizing layer and a second phase difference layer between a light source and the lower substrate, where the first phase difference layer has refractive indexes satisfying Relationship Equation 1, and the second phase difference layer has refractive indexes satisfying Relationship Equation 2.

    ORGANIC LIGHT EMITTING DIODE DEVICE
    18.
    发明申请

    公开(公告)号:US20170336546A1

    公开(公告)日:2017-11-23

    申请号:US15399380

    申请日:2017-01-05

    Abstract: An organic light emitting diode device includes an organic light emitting display panel and a circular polarizing plate which includes a polarizer and a compensation film including a liquid crystal layer which includes a first surface and a second surface, and liquid crystals that tilt obliquely with respect to an extension direction of the first and second surfaces of the liquid crystal layer where tilt angles of the liquid crystals with respect to the extension direction of the liquid crystal layer become gradually larger from the first surface to the second surface of the liquid crystal layer in a thickness direction of the liquid crystal layer, and a maximum tilt angle of the liquid crystals with respect to the extension direction of the liquid crystal layer is determined based on a thickness direction phase delay generated in a thickness direction of the organic light emitting display panel.

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