Rare-Earth Doped Semiconductor Material, Thin-Film Transistor, and Application

    公开(公告)号:US20230094925A1

    公开(公告)日:2023-03-30

    申请号:US17994022

    申请日:2022-11-25

    Abstract: Disclosed in the present invention is a rare-earth doped semiconductor material. Compounds of two rare-earth elements R and R′ having different functions are introduced into an indium oxide containing material. The coupling of R element ions to an O2p orbit can effectively enhance the transfer efficiency of the rare-earth R′ as a photogenerated electron transfer center, such that the light stability of a device with a small amount of R′ doping can be achieved. Compared with single rare-earth element R′ doping, due to less doping, the impact on a mobility is less, such that higher mobility and light stability devices can be obtained. Further provided in the present invention is a semiconductor-based thin-film transistor, and an application.

    PIXEL CIRCUIT, DRIVING METHOD FOR PIXEL CIRCUIT, AND DISPLAY PANEL

    公开(公告)号:US20230087472A1

    公开(公告)日:2023-03-23

    申请号:US17798539

    申请日:2020-07-22

    Abstract: Disclosed are to a pixel circuit, a method for driving the pixel circuit and a display panel. The pixel circuit includes a data write module, a storage module, a drive module and a light emitting device. The drive module includes a first control terminal and a second control terminal. The data write module is configured to write, at a data write stage, a data signal into the first control terminal of the drive module, the storage module is configured to maintain a potential of the first control terminal, the second control terminal is electrically connected to a pulse-width modulation (PWM) signal input terminal of the pixel circuit, and is configured to control the drive module to provide discontinuous drive current according to a PWM signal from the PWM signal input terminal at a light emission stage, and the light emitting device emits light in response to the discontinuous drive current.

    Metal oxide (MO) semiconductor and thin-film transistor and application thereof

    公开(公告)号:US11545581B2

    公开(公告)日:2023-01-03

    申请号:US17158026

    申请日:2021-01-26

    Abstract: The present invention discloses a metal oxide (MO) semiconductor, which is implemented by respectively doping at least an oxide of rare earth element R and an oxide of rare earth element R′ into an indium-containing MO semiconductor to form an InxMyRnR′mOz semiconductor. According to the present invention, the extremely high oxygen bond breaking energy in the oxide of rare earth element R is used to effectively control the carrier concentration in the semiconductor, and a charge transportation center can be formed by using the characteristic that the radius of rare earth ions is equivalent to the radius of indium ions, so that the electrical stability of the semiconductor is improved. The present invention further provides a thin-film transistor based on the MO semiconductor and application thereof.

    TRANSPARENT CONDUCTIVE OXIDE THIN FILM AND APPLICATION THEREOF

    公开(公告)号:US20230377767A1

    公开(公告)日:2023-11-23

    申请号:US18229669

    申请日:2023-08-02

    CPC classification number: H01B1/08 H01B5/14

    Abstract: Disclosed is a transparent conductive oxide thin film. The metal oxide is a transparent conductive material of (In2O3)x(MO)y(ReO)z formed by doping a small amount of a rare earth oxide ReO into an indium-containing metal oxide MO—In2O3 as a photon-generated carrier conversion center. According to the present application, in an indium-based metal oxide, a rare earth oxide material is introduced, such that the carrier concentration is controlled, and the mobility is improved; rare earth ions in the rare earth oxide have the lower electronegativity, and an ionic bond Ln-O formed by the rare earth ions and oxygen ions has the higher bond breaking energy, such that the oxygen vacancy concentration in the In2O3 thin film may be effectively controlled. The rare earth ions have the ionic radius equivalent to that of indium ions, defect scattering caused by structure mismatch may be reduced, the high mobility characteristics thereof may be kept better.

    DISPLAY PANEL AND DISPLAY DEVICE
    16.
    发明申请

    公开(公告)号:US20230075372A1

    公开(公告)日:2023-03-09

    申请号:US17799519

    申请日:2021-02-08

    Abstract: Provided are a display panel and a display device. The display panel includes at least two display units. Each display unit includes a substrate, a flexible substrate, a light-emitting unit circuit layer and at least one driver chip. The rigid substrate includes a display bearing region and a splicing region located on at least one side of the display bearing region. The flexible substrate is located on a first surface of the rigid substrate and located in the display bearing region, and the flexible substrate at least partially extends out of the display bearing region of the rigid substrate. The light-emitting unit circuit layer is located on a surface of one side of the flexible substrate away from the rigid substrate and includes at least one bonding pad.

    Energy balance controller of electronic power converter and energy balance control method

    公开(公告)号:US09673691B2

    公开(公告)日:2017-06-06

    申请号:US15030191

    申请日:2013-12-23

    Inventor: Qinghua Wu Lei Wang

    Abstract: An energy balance controller includes a detection unit, a calculation unit and a reset integral module; the reset integral module includes a reset integrator, a comparator and an RS flip-flop; the input terminals of the calculation unit and the reset integrator are connected to the output terminal of the detection unit, respectively; the output terminal of the calculation unit is connected to one input terminal of the comparator, and the output terminal of the reset integrator is connected to the other input terminal of the comparator; the output terminal of the comparator is connected to the reset terminal of the RS flip-flop; the Q terminal of the RS flip-flop is connected to the reset integrator, and the Q terminal of the RS flip-flop is used for controlling a switching device of the converter to switch on or off; the method is implemented by the energy balance controller.

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