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    DRIVING METHODS FOR VARIABLE TRANSMISSION ELECTRO-PHORETIC MEDIA
    13.
    发明公开
    DRIVING METHODS FOR VARIABLE TRANSMISSION ELECTRO-PHORETIC MEDIA 审中-实审

    公开(公告)号：EP4369090A3

    公开(公告)日：2024-08-28

    申请号：EP24159764.0

    申请日：2019-06-20

    申请人： E Ink Corporation

    发明人： WIDGER, Peter Carsten Bailey ,  HARRIS, George G. ,  PAOLINI, Richard J., Jr. ,  BREEN, Craig Alan

    IPC分类号： G02F1/1685 ,  G02F1/167 ,  G09G3/34 ,  G02F1/16757

    CPC分类号： G02F1/1685

    摘要： A method of driving a variable transmission film is provided and a variable transmission device including the film and a controller configured to drive the film. The film may include a layer of electrophoretic material and at least one electrode, the electrophoretic material including a fluid containing a plurality of charged particles capable of moving through the fluid upon application of an electric field by the at least one electrode. The method may include applying a first voltage waveform to the film at an initial optical state and applying a second voltage waveform having a lower frequency and shorter pulse duration than the first voltage waveform to switch the film to a final optical state, wherein the film has a higher percent transmission at the initial optical state than the final optical state.

    SNAP-FIT-TYPE PLASMA DISPLAY MODULE AND PLASMA DISPLAY SCREEN
    14.
    发明公开
    SNAP-FIT-TYPE PLASMA DISPLAY MODULE AND PLASMA DISPLAY SCREEN 审中-实审

    公开(公告)号：EP4394495A1

    公开(公告)日：2024-07-03

    申请号：EP22936934.3

    申请日：2022-04-15

    申请人： Wuxi Vision Peak Technology Co., Ltd.

    发明人： BAO, Jin ,  CHEN, Shan ,  TANG, Zhenxing ,  XU, Jun

    IPC分类号： G02F1/16757 ,  G02F1/1681 ,  G02F1/1335 ,  G02F1/1339

    摘要： A snap-fit plasma display module includes a first substrate (110) and a second substrate (210) arranged opposite thereto. A plasma display cavity is formed between the first substrate (110) and the second substrate (210), and the plasma display cavity is filled with plasma particles (320). A surface of the first substrate (110) is provided with a filter layer (120), and a surface of the second substrate (210) facing the first substrate (110) is provided with a pixel electrode layer (220). A plasma isolation structure (230) extending toward the first substrate (110) is arranged on the pixel electrode layer (220), a surface of the filter layer (120) facing the second substrate (210) is provided with a snap-fit structure (160), a shape of the snap-fit structure (160) is adapted to a shape of the plasma isolation structure (230) to fix the first substrate (110) and the second substrate (210), and each of the surface of the filter layer (120) facing the second substrate (210) and a surface of the snap-fit structure (160) facing the second substrate (210) is provided with a conductive dielectric layer (140). The plasma isolation structure (230) is wrapped by the snap-fit structure (160), which can increase an overall structural strength of the display and improve overall pressure resistance.

    ELECTRONIC INK SCREEN AND DISPLAY APPARATUS
    16.
    发明公开
    ELECTRONIC INK SCREEN AND DISPLAY APPARATUS 审中-公开

    公开(公告)号：EP4328668A1

    公开(公告)日：2024-02-28

    申请号：EP22897230.3

    申请日：2022-08-12

    申请人： Honor Device Co., Ltd.

    发明人： CAI, Peizhi ,  TIAN, Zheng ,  LI, Xin ,  HE, Haiming

    IPC分类号： G02F1/167 ,  G02F1/16757 ,  G02F1/1675 ,  G02F1/1685

    摘要： Embodiments of this application provides an electronic ink screen and a display apparatus. The electronic ink screen includes at least the following which are stacked: a first conductive substrate, an ink display layer and a second conductive substrate. The ink display layer is located between the first conductive substrate and the second conductive substrate, and the second conductive substrate is located above the first conductive substrate. The ink display layer has a plurality of ink accommodating cavities that are mutually independent. A plurality of ink particles that have a same color are provided in the ink accommodating cavity. The ink particles are used for displaying a first color. The electronic ink screen further includes a function layer. The function layer is configured to display a second color. The function layer is located at a side that is of the ink display layer and that faces away from the second conductive substrate. Embodiments of this application can improve a refreshing speed of the electronic ink screen, thereby reducing a response time of the electronic ink screen.

    DRIVING METHODS FOR VARIABLE TRANSMISSION ELECTRO-PHORETIC MEDIA
    19.
    发明公开
    DRIVING METHODS FOR VARIABLE TRANSMISSION ELECTRO-PHORETIC MEDIA 审中-实审

    公开(公告)号：EP4369090A2

    公开(公告)日：2024-05-15

    申请号：EP24159764.0

    申请日：2019-06-20

    申请人： E Ink Corporation

    发明人： WIDGER, Peter Carsten Bailey ,  HARRIS, George G. ,  PAOLINI, Richard J., Jr. ,  BREEN, Craig Alan

    IPC分类号： G02F1/16757

    CPC分类号： G02F1/1685

    摘要： A method of driving a variable transmission film is provided and a variable transmission device including the film and a controller configured to drive the film. The film may include a layer of electrophoretic material and at least one electrode, the electrophoretic material including a fluid containing a plurality of charged particles capable of moving through the fluid upon application of an electric field by the at least one electrode. The method may include applying a first voltage waveform to the film at an initial optical state and applying a second voltage waveform having a lower frequency and shorter pulse duration than the first voltage waveform to switch the film to a final optical state, wherein the film has a higher percent transmission at the initial optical state than the final optical state.

    DISPLAY APPARATUS AND ELECTRONIC DEVICE
    20.
    发明公开
    DISPLAY APPARATUS AND ELECTRONIC DEVICE 审中-公开

    公开(公告)号：EP4290303A1

    公开(公告)日：2023-12-13

    申请号：EP22902470.8

    申请日：2022-12-27

    申请人： Honor Device Co., Ltd.

    发明人： TIAN, Zheng ,  ZHANG, Shuai ,  HE, Haiming

    IPC分类号： G02F1/1335 ,  G02F1/16757

    摘要： This application provides a display apparatus and an electronic device, and relates to the field of terminal technologies. The display apparatus includes a display panel, a shielding layer, and a light adjustment layer that are sequentially stacked from bottom to top. A plurality of monochrome pixels are distributed on the display panel, and the display panel is configured to emit light. The shielding layer includes a light shielding structure and a plurality of through holes, the light shielding structure shields a first part of light, and the through holes are configured to allow a second part of light and a third part of light to pass through. An acute angle between the first part of light and a plane on which the display panel is located is less than a preset angle. The light adjustment layer includes a plurality of ink capsules, and each ink capsule includes a plurality of ink particles. The light adjustment layer controls the ink particles to accumulate on one of a left side or a right side of the ink capsule in which the ink particles are located, so that light passing through the through hole in the shielding layer directly passes through the ink capsule; or controls the ink particles to be laid flat in the ink capsule in which the ink particles are located, so that the ink particles scatter light passing through the through hole in the shielding layer. The solution provided in this application enables an electronic device to have a peeping prevention function and a non-peeping prevention function.