公开(公告)号：US20240027822A1

公开(公告)日：2024-01-25

申请号：US18006983

申请日：2022-02-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhongxiao LI ,  Pengxia LIANG ,  Zhiqiang XU

IPC: G02F1/1335 ,  G02F1/1343

CPC classification number: G02F1/133526 ,  G02F1/134336

Abstract: Provided are a liquid crystal lens and an electronic device. The lens includes a first and a second substrate structure; and an intermediate layer. The second substrate structure includes a second substrate; at least one electrode structure, each electrode structure including N groups of second electrodes, each group of which including M second electrodes. Orthographic projections of i-th group of second electrodes is within that of i-th intermediate portion. Each intermediate portion includes a liquid crystal layer, and j-th intermediate portion includes at least one of a first to fourth barrier walls. The liquid crystal lens is configured such that i-th intermediate portion constitutes a part of i-th stage Fresnel ring of a Fresnel zone plate, and optical paths of portions of i-th intermediate portion gradually decrease along the first direction, in a case where a predetermined voltage is between N groups of second electrodes and the first electrode.

公开(公告)号：US20220155633A1

公开(公告)日：2022-05-19

申请号：US17599299

申请日：2021-02-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qingxun ZHANG ,  Qian WANG ,  Wenqing ZHAO ,  Zhongxiao LI ,  Song YANG

IPC: G02F1/1335 ,  G02F1/1343 ,  G02F1/13357

Abstract: The present disclosure provides a display device including a liquid crystal layer having a first surface and a second surface opposite to each other, and the second surface has a light entrance region and a light outgoing region; a reflector within the liquid crystal layer and adjacent the first surface; a light absorbing layer on the first surface of the liquid crystal layer, the light absorbing layer including a first shielding layer, a second shielding layer and a filling layer therebetween, the second shielding layer is between the first shielding layer and the liquid crystal layer and has a first opening therein, and the liquid crystal layer is configured to modulate light incident from the light entrance region into first refracted light under a first voltage and modulate the light incident from the light entrance region into second refracted light under a second voltage different from the first voltage.

公开(公告)号：US20200333663A1

公开(公告)日：2020-10-22

申请号：US16534004

申请日：2019-08-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhongxiao LI

IPC: G02F1/1335 ,  G02F1/1343

Abstract: A reflective liquid crystal display panel comprises: a first substrate, a second substrate, and a liquid crystal layer disposed therebetween; a layer of first electrode disposed between the first substrate and the liquid crystal layer; a layer of second electrode disposed between the second substrate and the liquid crystal layer and comprising a first sub-electrode and a second sub-electrode; a reflective structure disposed between the first substrate and the layer of first electrode; a first light-shielding layer disposed between the second substrate and the layer of second electrode, the first light-shielding layer having a plurality of openings including a light extraction opening; and a light extraction structure disposed on the second substrate in correspondence with the light-extraction opening, and configured to extract light from the second substrate and pass the extracted light through the light-extraction opening and the liquid crystal layer to the reflective structure.

公开(公告)号：US20200142247A1

公开(公告)日：2020-05-07

申请号：US15758698

申请日：2017-09-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wenqing ZHAO ,  Xue DONG ,  Xiaochuan CHEN ,  Haiyan WANG ,  Chenyu CHEN ,  Zhongxiao LI ,  Xiaochen NIU ,  Qian WANG ,  Jinye ZHU

IPC: G02F1/1335 ,  G02F1/1343 ,  G02F1/13357 ,  G02F1/1337

Abstract: This disclosure provides a display panel, including a first substrate, a second substrate, a liquid crystal layer between them, a first black matrix layer at a side of the first substrate facing the second substrate, a second black matrix layer at a side of the second substrate facing the first substrate, and an electrode layer at a side of at least one of the first substrate and the second substrate facing the liquid crystal layer. Each pixel unit includes at least one pixel portion. A region of the first black matrix layer corresponding to the pixel portion includes a light shielding portion and a light transmission portion, a region of the second black matrix layer corresponding to the light shielding portion is provided with a light through hole, an orthogonal projection of the light shielding portion on the second black matrix layer covers the light through hole.

公开(公告)号：US20200012128A1

公开(公告)日：2020-01-09

申请号：US16475954

申请日：2018-12-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chenyu CHEN ,  Zhongxiao LI ,  Xiaochen NIU ,  Jinye ZHU ,  Wenqing ZHAO ,  Xiaochuan CHEN

IPC: G02F1/137 ,  G02F1/1343 ,  G02F1/155 ,  G02F1/1339 ,  G02F1/161 ,  G02B27/22 ,  G02F1/163

Abstract: A grating structure includes slit regions (4) and light blocking regions (5) that are alternately distributed in a first direction. The slit regions (4) and the light blocking regions (5) extend in a second direction, and the first direction is perpendicular to the second direction. The grating structure further includes two electrode plates (10, 20) disposed oppositely, and a plurality of support columns (3) disposed between the two electrode plates (10, 20) and supporting them. At least two of the support columns (3) are spaced apart in the first direction are arranged in each of the slit regions (4).

公开(公告)号：US20180224708A1

公开(公告)日：2018-08-09

申请号：US15569372

申请日：2017-03-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.

Inventor： Zhongxiao LI

IPC: G02F1/29 ,  G02B27/22

CPC classification number: G02F1/29 ,  G02B27/225 ,  G02F1/13363 ,  G02F1/1343 ,  G02F2201/122 ,  G02F2202/40

Abstract: A liquid crystal lens, a manufacturing method thereof, and a display device are provided. The liquid crystal lens includes a first substrate and a second substrate. A first electrode is disposed on the first substrate. A retardation layer is disposed on a side of the first substrate facing the second substrate. The retardation layer includes a plurality of steps having different heights. A second electrode is disposed on the second substrate. The second electrode includes a plurality of sub-electrodes, the plurality of sub-electrodes being one-to-one corresponding to the plurality of steps. The width of the sub-electrode is smaller than the width of the step corresponding to the sub-electrode. A gap is provided between two adjacent sub-electrodes. One edge of the gap is aligned with a step point of two adjacent steps. A liquid crystal is filled in a space between the retardation layer and the second substrate.

公开(公告)号：US20240345541A1

公开(公告)日：2024-10-17

申请号：US18291280

申请日：2022-07-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Qian WANG ,  Gaolei XUE ,  Zhongxiao LI ,  Pengxia LIANG

IPC: G03H1/22 ,  G02F1/133 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1339 ,  G02F1/1347 ,  G09G3/00 ,  G09G3/34 ,  G09G3/36

CPC classification number: G03H1/2294 ,  G02F1/13306 ,  G02F1/133512 ,  G02F1/133531 ,  G02F1/133622 ,  G02F1/1337 ,  G02F1/13394 ,  G02F1/13398 ,  G02F1/1347 ,  G03H1/2286 ,  G09G3/003 ,  G09G3/3413 ,  G09G3/3607 ,  G03H2222/12 ,  G03H2222/13 ,  G03H2225/22 ,  G03H2225/34 ,  G09G2320/0209

Abstract: A holographic display device and a display method thereof. The holographic display device comprises a backlight module and two liquid crystal modules. The backlight module is used for providing coherent light; the two liquid crystal modules are located on the light exit side of the backlight module, and the two liquid crystal modules are stacked; one of the two liquid crystal modules is used for performing amplitude modulation on incident light, and the other one is used for performing phase modulation on incident light. In this way, the complex amplitude of exit light is adjusted, and the quality of a reconstructed image is improved.

公开(公告)号：US20210302790A1

公开(公告)日：2021-09-30

申请号：US17264361

申请日：2020-05-21

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhongxiao LI ,  Pengxia LIANG

IPC: G02F1/13357 ,  G02F1/1335 ,  G02F1/1343 ,  G09G3/36

Abstract: A display panel, a display apparatus and a control method therefor. The electrode group included in the display panel is used for controlling, when loaded with a voltage, the refractive index of the liquid crystal layer, such that when the refractive index of the liquid crystal layer is less than the refractive index of the first substrate, light emitted by the light-emitting module is propagated by means of total reflection in the first substrate, and when the refractive index of the liquid crystal layer is greater than the refractive index of the first substrate, the light emitted by the light-emitting module is propagated toward the second substrate from the first substrate.

公开(公告)号：US20200310172A1

公开(公告)日：2020-10-01

申请号：US15777233

申请日：2017-09-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhongxiao LI ,  Xue DONG ,  Xiaochuan CHEN ,  Wenqing ZHAO ,  Chenyu CHEN ,  Ming YANG

IPC: G02F1/13 ,  G02F1/133 ,  G02F1/13357 ,  G02F1/1343

Abstract: A display device and a display method. The display device includes an anti-peeping backlight module, a display panel and a regulator, the display panel being arranged on a light exit surface of the anti-peeping backlight module, and the anti-peeping backlight module being configured to emit an anti-peeping backlight; the display device has an anti-peeping OFF state and an anti-peeping ON state; wherein, in the anti-peeping OFF state, the regulator is configured to increase a divergence angle of the anti-peeping backlight so as to obtain divergent light; in the anti-peeping ON state, the regulator is configured to maintain the divergence angle of the anti-peeping backlight so as to obtain anti-peeping light. The display device and display method provided in this text can enable switching between normal display mode and an anti-peeping display mode to facilitate safe display of the display device.

公开(公告)号：US20200064679A1

公开(公告)日：2020-02-27

申请号：US16397977

申请日：2019-04-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhongxiao LI

IPC: G02F1/1335 ,  G02F1/1343 ,  G02F1/133 ,  G09G3/36

Abstract: A 3D liquid crystal display panel includes: a first substrate, a second substrate, and a first grating layer including grating openings arranged in an array for realizing 3D display; and a CF layer including a plurality of filter units arranged in an array, a black matrix disposed between adjacent filter units, and at least one light shielding strip disposed inside each of the filter units and dividing each of the filter units into a plurality of light transmitting regions. The 3D liquid crystal display panel is configured to apply voltages to the electrode layer to form a liquid crystal grating in the liquid crystal layer, and a collimated light incident to the liquid crystal layer passes through the liquid crystal grating and pass through the filter unit to form a monochromatic light, and then, is emitted out from the grating openings.