公开(公告)号：US11513277B2

公开(公告)日：2022-11-29

申请号：US17044268

申请日：2019-09-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jifeng Tan ,  Xiandong Meng ,  Wenqing Zhao ,  Xiaochuan Chen

IPC: F21V8/00 ,  G02F1/1335 ,  G02F1/1368

Abstract: A method of manufacturing a light guide substrate includes: providing a first base substrate; forming an interface protection layer on a side of the first base substrate; forming a grating structure layer at the side of the first base substrate where the interface protection layer has been formed; removing portions of the grating structure layer corresponding to the non-light extraction opening regions, so as to obtain a plurality of light extraction grating units in one-to-one correspondence with the plurality of light extraction opening regions; and removing portions of the interface protection layer corresponding to the non-light extraction opening regions. The first base substrate includes a plurality of light extraction opening regions and non-light extraction opening regions other than the plurality of light extraction opening regions.

公开(公告)号：US11347128B2

公开(公告)日：2022-05-31

申请号：US16332519

申请日：2018-11-23

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G09G5/02 ,  G02F1/29 ,  F21V8/00 ,  G09G3/34 ,  G09G3/36

Abstract: A display apparatus. The display apparatus includes a back light module; a light transmission direction controller on a light emitting side of the back light module; and a plurality of subpixels on a side of the light transmission direction controller away from the back light module, each individual one of the plurality of subpixels including a light transmissive part and a light blocking part. The back light module is configured to emit light toward the plurality of subpixels. The light transmission direction controller is configured to independently adjust a grayscale of each individual one of the plurality of subpixels by independently controlling a light distribution ratio between a first portion of light transmitted through the light transmissive part and a second portion of light blocked by the light blocking part in each individual one of the plurality of subpixels.

公开(公告)号：US11272169B2

公开(公告)日：2022-03-08

申请号：US16330724

申请日：2018-08-31

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhongxiao Li ,  Xue Dong ,  Xiaochuan Chen ,  Wenqing Zhao ,  Jinye Zhu

IPC: H04N13/315 ,  H04N13/312 ,  G02B30/28 ,  G02B30/31 ,  H04N13/398

Abstract: The present application provides a viewpoint controllable three-dimensional image display apparatus. The viewpoint controllable three-dimensional image display apparatus includes a display panel having a light emitting side; a back light for providing a light source for image display in the display panel; a first grating on a side of the light emitting side distal to the back light; a second grating between the display panel and the back light; and a controller configured to alternately turn on and off the first grating and the second grating in a time-division driving mode including a first mode and a second mode, thereby presenting a three-dimensional image to a user. In the first mode, the controller is configured to turn off the second grating, and turn on the first grating. In the second mode, the controller is configured to turn off the first grating, and turn on the second grating.

公开(公告)号：US11187844B2

公开(公告)日：2021-11-30

申请号：US16644708

申请日：2019-09-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jifeng Tan ,  Wei Wang ,  Xiandong Meng ,  Xianqin Meng ,  Jian Gao ,  Wenqing Zhao

IPC: G02F1/13357 ,  F21V8/00 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1343

Abstract: Display device, control method are provided, which includes: light guide plate including light incident side, bottom surface, opposite light exiting surface; light extracting structure, on light exiting or bottom surface, configured to make light propagated in total reflection in light guide plate exit from light exiting surface at predetermined angle; first low refractive index layer, covering light exiting surface, refractive index of which being smaller than that of light guide plate; liquid crystal light adjusting layer, including liquid crystal layer and driving electrodes for driving liquid crystal molecules, on side of first low refractive index layer away from light exiting surface; second low refractive index layer, on side of liquid crystal light adjusting layer away from first low refractive index layer, refractive index of which and refractive index of first low refractive index layer being smaller than initial refractive index of liquid crystal light adjusting layer.

公开(公告)号：US20210352265A1

公开(公告)日：2021-11-11

申请号：US16330724

申请日：2018-08-31

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhongxiao Li ,  Xue Dong ,  Xiaochuan Chen ,  Wenqing Zhao ,  Jinye Zhu

IPC: H04N13/315 ,  H04N13/312 ,  H04N13/398 ,  G02B30/31 ,  G02B30/28

Abstract: The present application provides a viewpoint controllable three-dimensional image display apparatus. The viewpoint controllable three-dimensional image display apparatus includes a display panel having a light emitting side; a back light for providing a light source for image display in the display panel; a first grating on a side of the light emitting side distal to the back light; a second grating between the display panel and the back light; and a controller configured to alternately turn on and off the first grating and the second grating in a time-division driving mode including a first mode and a second mode, thereby presenting a three-dimensional image to a user. In the first mode, the controller is configured to turn off the second grating, and turn on the first grating. In the second mode, the controller is configured to turn off the first grating, and turn on the second grating.

公开(公告)号：US11067871B2

公开(公告)日：2021-07-20

申请号：US16196305

申请日：2018-11-20

Applicant: BOE Technology Group Co., Ltd.

Inventor： Baoqiang Wei ,  Jifeng Tan ,  Xiaochuan Chen ,  Wenqing Zhao ,  Xue Dong ,  Chenyu Chen ,  Xiaochen Niu

IPC: G02F1/29

Abstract: The present disclosure provides an integrated imaging apparatus and a display device. The integrated imaging apparatus includes: a display member, an incident light adjusting member, a lens array and a second lens that are sequentially arranged. The display member is configured to display an image; the incident light adjusting member is configured to reduce a pixel divergence angle of an incident light emitted by the display member; the lens array includes a plurality of first lens, the plurality of first lens being arranged on a plane parallel to the display member; and the second lens and the display member are coaxially arranged. The present disclosure effectively extends the field of depth, thereby improving the imaging effect of the integrated imaging apparatus.

公开(公告)号：US11016332B2

公开(公告)日：2021-05-25

申请号：US16642515

申请日：2019-09-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhongxiao Li ,  Xiaochuan Chen ,  Wenqing Zhao

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

Abstract: A display panel including a plurality of pixel units is provided. The display panel includes: a first substrate and a second substrate opposite to each other a first light-shielding layer including a plurality of first openings as light-transmitting regions for the pixel units, and a liquid crystal layer between the first substrate and the second substrate. Each pixel unit includes a first electrode, a second electrode and a lens. The first electrode and the second electrode are configured to form an electric field in response to receiving a voltage, the electric field is configured to drive liquid crystal molecules of the liquid crystal layer to deflect to change a ratio of transmission and reflection of linearly polarized light incident onto the liquid crystal layer at the light incident surface of the lens.

公开(公告)号：US11002428B2

公开(公告)日：2021-05-11

申请号：US16624287

申请日：2019-05-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhongxiao Li ,  Wei Wang ,  Pengxia Liang ,  Wenqing Zhao ,  Xiaochuan Chen

IPC: F21V14/00 ,  G02F1/1335 ,  G02F1/1343

Abstract: A light regulation device includes: a first substrate on which a first electrode layer is provided; a second substrate on which a second electrode layer is provided; and liquid crystals interposed between the first substrate and the second substrate. The first electrode layer includes a plurality of electrode units. Each of the electrode units includes a plurality of electrode strips. Each of the electrode strips is configured to be loaded a different driving voltage signal. The second electrode layer is configured to be loaded a common voltage signal. An exiting direction of light passing through liquid crystals at a position corresponding to each of the electrode units is deflected in the same direction.

公开(公告)号：US10798369B2

公开(公告)日：2020-10-06

申请号：US15990016

申请日：2018-05-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jinye Zhu ,  Chenyu Chen ,  Wenqing Zhao ,  Xiaochuan Chen ,  Xue Dong

IPC: H04N13/324 ,  H04N13/31

Abstract: The disclosure provides a three-dimensional (3D) display device including a pixel array and a grating. The pixel array includes a plurality of pixel columns, each of the plurality of pixel columns is inclined by an angle with respect to a direction in which an edge of the pixel array extends, and inclined angles of the pixel columns are substantially the same; each of the pixel columns is formed by arranging sub-pixels of three colors repeatedly in a fixed order, wherein dot pitches between any two adjacent sub-pixels in a same pixel column are substantially the same, and the sub-pixels in one of any two adjacent pixel columns in the plurality of pixel columns are staggered in turn with respect to respective sub-pixels in another pixel column of the two adjacent pixel columns and dot pitches between any two adjacent sub-pixels in the two adjacent pixel columns are substantially the same.

公开(公告)号：US10768492B2

公开(公告)日：2020-09-08

申请号：US16116209

申请日：2018-08-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhongxiao Li ,  Xiaochuan Chen ,  Wenqing Zhao

IPC: G02F1/1343 ,  G02F1/1362 ,  G02F1/1335 ,  G02F1/13

Abstract: An array substrate and a manufacturing method thereof, a display panel and a driving method thereof, and an electronic device are disclosed. The array substrate includes a plurality of sub-pixels arranged in an array; each of the sub-pixels includes a display area and an interference area, the display area and the interference area are disposed side by side and configured to be independently driven, and the interference area is located on at least one side of the display area adjacent to a neighboring sub-pixel; the display area includes a first pixel electrode, the interference area includes a second pixel electrode, and the first pixel electrode is electrically insulated from the second pixel electrode.