公开(公告)号：US10989953B2

公开(公告)日：2021-04-27

申请号：US15776392

申请日：2017-09-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yafeng Yang ,  Wei Wang ,  Xiaochuan Chen ,  Xue Dong ,  Jifeng Tan ,  Jian Gao ,  Xiandong Meng ,  Xianqin Meng ,  Wenqing Zhao ,  Feng Guan ,  Lu Yu ,  Congcong Wei

IPC: G02F1/1335 ,  G02B5/18 ,  G02B27/10 ,  G02B27/28 ,  G02B27/42

Abstract: Embodiments of the present disclosure provide a display panel, a method for manufacturing the same, and a display device, relating to the field of display technology. The display panel includes a first substrate, a second substrate, a liquid crystal layer disposed between the first substrate and the second substrate, and a light splitting structure disposed on a side of the first substrate facing away from the liquid crystal layer. The light splitting structure is configured to perform spectroscopic processing on light incident on the light splitting structure to obtain light of at least one color, and project the light of the at least one color onto a pixel of a corresponding color in the display panel.

公开(公告)号：US10921633B2

公开(公告)日：2021-02-16

申请号：US16619126

申请日：2019-06-14

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiandong Meng ,  Jifeng Tan ,  Xiaochuan Chen ,  Wei Wang ,  Xianqin Meng

IPC: G02F1/1335 ,  F21V8/00 ,  G02F1/1343

Abstract: A display panel and a display device. The display panel includes a light guide plate including a light incident surface and a light emergent surface; the light incident surface is one end surface of the light guide plate; an opposite substrate opposite to the light guide plate; a liquid crystal layer between light guide plate and opposite substrate; a light source located on the light incident surface of light guide plate; a light shielding layer at the side, facing liquid crystal layer, of the opposite substrate; the light shielding layer including light shielding regions, light transmitting regions; light converging elements located on light emergent surface of light guide plate, the light converging elements corresponding to one light shielding region; a transparent conductive structure between light guide plate and opposite substrate and configured to make liquid crystal layer be equivalent to a diffraction grating structure under control of electric signals.

公开(公告)号：US20200233271A1

公开(公告)日：2020-07-23

申请号：US16641703

申请日：2019-07-02

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiandong Meng ,  Wei Wang ,  Zhongxiao Li ,  Xiaochuan Chen ,  Xianqin Meng ,  Jifeng Tan ,  Jian Gao ,  Fangzhou Wang

IPC: G02F1/1343 ,  G02F1/1335 ,  F21V8/00

Abstract: Disclosed are a display apparatus and a control method thereof. The display apparatus includes a light-transmitting substrate, a backlight source, a liquid crystal layer and a grate-like structure. The liquid crystal layer is disposed between the light-transmitting substrate and the backlight source. The grate-like structure is disposed on a side of the light-transmitting substrate proximal to the liquid crystal layer. The grate-like structure is reused as both an electrode configured to control an equivalent refractive index of the liquid crystal layer and a grating. The backlight source includes a light guide plate and a collimated light source which is disposed on a side of the light guide plate. The grate-like structure is disposed on a side of the liquid crystal layer distal from the light guide plate and reused as both an electrode configured to control the refractive index of the liquid crystal and a grating.

公开(公告)号：US20250076705A1

公开(公告)日：2025-03-06

申请号：US18579596

申请日：2022-12-16

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xianqin Meng ,  Jin Yang ,  Pengxia Liang ,  Fang Cheng ,  Weiting Peng ,  Wei Wang ,  Xiaochuan Chen

IPC: G02F1/13357

Abstract: A light emitting substrate is provided. The light emitting substrate includes a light source; a first light modulation layer having a first micro structure on a side closer to the light source; and a second light modulation layer having a second micro structure on a side away from the light source.

公开(公告)号：US12235557B2

公开(公告)日：2025-02-25

申请号：US17765769

申请日：2021-06-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhen Zhang ,  Fuqiang Li ,  Zhenyu Zhang ,  Yunping Di ,  Lizhong Wang ,  Zheng Fang ,  Jiahui Han ,  Yawei Wang ,  Chenyang Zhang ,  Chengfu Xu ,  Ce Ning ,  Pengxia Liang ,  Feihu Zhou ,  Xianqin Meng ,  Weiting Peng ,  Qiuli Wang ,  Binbin Tong ,  Rui Huang ,  Tianmin Zhou ,  Wei Yang

IPC: G02F1/1368 ,  G02F1/1362 ,  H01L27/12

Abstract: A displaying base plate and a manufacturing method thereof, and a displaying device. The displaying base plate includes a substrate, and a first electrode layer disposed on one side of the substrate, wherein the first electrode layer includes a first electrode pattern; a first planarization layer disposed on one side of the first electrode layer that is away from the substrate, wherein the first planarization layer is provided with a through hole, and the through hole penetrates the first planarization layer, to expose the first electrode pattern; and a second electrode layer, a second planarization layer and a third electrode layer that are disposed in stack on one side of the first planarization layer that is away from the substrate, wherein the second electrode layer is disposed closer to the substrate, the second electrode layer is connected to the first electrode pattern and the third electrode layer.

公开(公告)号：US11860501B2

公开(公告)日：2024-01-02

申请号：US16971400

申请日：2019-11-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xianqin Meng ,  Xiandong Meng ,  Wei Wang ,  Xiaochuan Chen

IPC: G02F1/166 ,  G02F1/1676 ,  G02F1/16757 ,  G02F1/1677 ,  G09G3/34 ,  G02B27/01

CPC classification number: G02F1/166 ,  G02F1/1676 ,  G02F1/1677 ,  G02F1/16757 ,  G09G3/348 ,  G02B27/0172

Abstract: An optical switch includes a plurality of micro-grooves, a micro-fluid disposed in each micro-groove of the plurality of micro-grooves, and a driving electrode disposed corresponding to the micro-fluid in each micro-groove. The driving electrode is configured to provide a voltage to a corresponding micro-fluid to control light transmittance of a region where the micro-fluid is located.

公开(公告)号：US11829026B2

公开(公告)日：2023-11-28

申请号：US16963332

申请日：2019-09-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiandong Meng ,  Jifeng Tan ,  Wei Wang ,  Xianqin Meng ,  Jian Gao ,  Xiaochuan Chen

IPC: G02F1/1335 ,  F21V8/00 ,  G02F1/133 ,  G02F1/1343

CPC classification number: G02F1/133548 ,  G02B6/0035 ,  G02F1/13306 ,  G02F1/13439 ,  G02F1/133514 ,  G02F1/133512 ,  G02F2201/307 ,  G02F2203/30

Abstract: Embodiments of the present disclosure provide a display panel, a driving method thereof and a display device. The display panel includes: a light guide plate, configured to propagate light incident at a set angle by total reflection; an opposite substrate, arranged opposite to the light guide plate; a liquid crystal layer, arranged between the light guide plate and the opposite substrate; and a plurality of light extraction structures. Each light extraction structure includes: a light taking grating arranged on a surface of the light guide plate, a first wire grid structure arranged between the light guide plate and the liquid crystal layer, a second wire grid structure arranged between the liquid crystal layer and the opposite substrate, and a first electrode structure and a second electrode structure arranged between the light guide plate and the opposite substrate. A direction of a light transmitting axis of the first wire grid structure is vertical to a direction of a light transmitting axis of the second wire grid structure. The first electrode structure is of a blocky structure. The second electrode structure includes a plurality of strip-shaped sub-electrodes which are parallel to each other; and an included angle between an extension direction of the sub-electrode and the direction of the light transmitting axis of the first wire grid structure ranges from 10° to 80°.

公开(公告)号：US11640020B2

公开(公告)日：2023-05-02

申请号：US16765583

申请日：2019-04-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wei Wang ,  Xiaochuan Chen ,  Jiayao Liu ,  Qiuyu Ling ,  Xianqin Meng ,  Xiandong Meng ,  Pengxia Liang ,  Fangzhou Wang ,  Peilin Liu

IPC: G02B5/18 ,  G02B27/42

Abstract: A display device is disclosed, and the display device includes a display layer and a lens layer; the lens layer is provided on a light emergent side of the display layer, and includes at least one grating compound lens unit; the display layer includes at least one display pixel set, and the display pixel set is configured to emit light for imaging toward the grating compound lens unit during display; the grating compound lens unit is configured to optically image the display pixel set; and the grating compound lens unit is further configured to deflect the light for imaging, to make an image-space central visual field direction of the grating compound lens unit intersect with an extension direction of an optical axis of the grating compound lens unit, so that the display device has one or more viewpoints.

公开(公告)号：US11536606B2

公开(公告)日：2022-12-27

申请号：US16631722

申请日：2019-07-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xianqin Meng ,  Wei Wang ,  Jifeng Tan ,  Xiandong Meng ,  Xiaochuan Chen ,  Jian Gao ,  Fangzhou Wang ,  Pengxia Liang

IPC: G01J3/02 ,  B01L3/00 ,  G01J3/18 ,  G02B6/10 ,  G01J3/12

Abstract: An optical device and a spectral detection apparatus are provided. The optical device includes an optical waveguide, including: a polychromatic light channel configured to transport a polychromatic light beam, and provided with a light incident surface for receiving the incident polychromatic light beam at an input end of the polychromatic light channel; a chromatic dispersion device arranged downstream from the polychromatic light channel in an optical path and configured to separate the polychromatic light beam from the polychromatic light channel into a plurality of monochromatic light beams; and a plurality of monochromatic light channels arranged downstream from the chromatic dispersion device in the optical path and configured to respectively conduct the plurality of monochromatic light beams with different colors from the chromatic dispersion device. Monochromatic light output surfaces are respectively provided at output ends of the plurality of monochromatic light channels and configured to output the monochromatic light beams.

公开(公告)号：US11500267B2

公开(公告)日：2022-11-15

申请号：US17255516

申请日：2020-04-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xianqin Meng

IPC: G03B9/02 ,  G01L9/00 ,  H04N5/238

Abstract: A variable diaphragm is provided. The variable diaphragm includes: first and second substrates opposite to each other; a light detector on a side of the first substrate distal to the second substrate, and configured to detect an intensity of incident light and generate a first signal; an electrowetting microfluid medium layer between the first and second substrates, and including transparent and opaque fluid mediums immiscible with each other, wherein an aperture of the variable diaphragm is formed by the transparent fluid medium, and one of the transparent and opaque fluid mediums is conductive; and a driving electrode between the first and second substrates, and configured to receive a driving voltage corresponding to the first signal and for driving the electrowetting microfluid medium layer, so as to change an area of an orthographic projection of the opaque fluid medium fluid medium on the second substrate, thereby changing a diameter of the aperture.