公开(公告)号：US11825064B2

公开(公告)日：2023-11-21

申请号：US17627497

申请日：2021-03-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qingxun Zhang ,  Jian Gao ,  Sen Ma ,  Jinye Zhu

IPC: H04N13/122 ,  H04N13/128 ,  H04N13/305 ,  H04N13/383

CPC classification number: H04N13/122 ,  H04N13/128 ,  H04N13/305 ,  H04N13/383

Abstract: A light field display method includes: generating a pixel light field information database (S1); processing, according to different depth positions of an original three-dimensional image, slice images corresponding to the different depth positions and pixel light field information at the different depth positions, to obtain recorded images of the slice images of the original three-dimensional image at the different depth positions (S2); and superimposing the recorded images of the slice images of the original three-dimensional image at the different depth positions, to obtain a microcell array image of the original three-dimensional image (S3). A light field display system has a database generator (101), a recorded image generator (102), and a superimposer (103) which implement the described functions. A non-transitory computer readable storage medium stores thereon a computer program for implementing the method. A display panel includes the non-transitory computer readable storage medium.

公开(公告)号：US12066711B2

公开(公告)日：2024-08-20

申请号：US17430713

申请日：2021-02-02

Applicant: BOE Technology Group Co., Ltd.

Inventor： Qian Wang ,  Wenqing Zhao ,  Qingxun Zhang

IPC: G02F1/1335 ,  F21V8/00

CPC classification number: G02F1/133553 ,  G02B6/005 ,  G02F1/133512

Abstract: Provided are a back light unit structure, a display panel and a display apparatus. The back light unit structure includes a light source, and a first substrate and a second substrate which are opposite to each other; the first substrate includes a reflective structure; the second substrate includes a light guide plate and a light selection layer that are stacked; the light selection layer is located at a side of the light guide plate near the reflective structure, and a refractive index of the light selection layer is smaller than that of the light guide plate; the light selection layer is provided with a plurality of light acquiring holes penetrating through the light selection layer; the light source is located at an end of the light guide plate.

公开(公告)号：US20220377311A1

公开(公告)日：2022-11-24

申请号：US17762112

申请日：2021-05-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jian Gao ,  Fang Cheng ,  Qingxun Zhang ,  Jinye Zhu ,  Tao Hong

IPC: H04N13/307 ,  H04N13/322

Abstract: A device for optical-field displaying includes: a display screen and a lens unit provided on a light exiting side of the display screen; the lens unit includes a plurality of lenses arranged in an array; the display screen is provided on a focal plane of the plurality of lenses; the display screen includes a first substrate and a second substrate that match; the first substrate is a light-exiting-side substrate, the second substrate includes a plurality of pixel islands arranged in an array; the plurality of pixel islands correspond to the plurality of lenses; a view region formed by light rays emitted by the sub-pixels of the pixel islands and propagated via the corresponding lenses to a human eye is smaller than or equal to a half-pupil region, and light rays of different viewpoints emitted by different sub-pixels of the pixel islands enter different cone cells via the lenses.

公开(公告)号：US11675238B2

公开(公告)日：2023-06-13

申请号：US17274546

申请日：2020-07-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qian Wang ,  Xue Dong ,  Qingxun Zhang ,  Xiaochuan Chen ,  Wenqing Zhao ,  Zhongxiao Li

IPC: G02F1/1335 ,  G02F1/1362 ,  G09G3/36 ,  G02F1/1339 ,  G02F1/1333

CPC classification number: G02F1/136209 ,  G02F1/13398 ,  G02F1/133368 ,  G02F1/133553 ,  G02F1/133616 ,  G09G3/3607 ,  G02F1/133614

Abstract: A display panel includes: a first substrate and a second substrate; and a liquid crystal layer. The first substrate includes a first base, and a light extraction portion and a light conversion portion that are disposed on a first side and located in each sub-pixel region. The first base has the first side facing the second substrate. A refractive index of the light extraction portion is greater than or equal to a refractive index of the first base, and a refractive index of a portion of the light conversion portion in direct contact with the first base is less than the refractive index of the first base. The second substrate includes a second base, and at least one light reflecting structure and at least one light absorbing structure that are disposed at a side of the second base facing the first substrate and located in the sub-pixel region.

公开(公告)号：US11598987B2

公开(公告)日：2023-03-07

申请号：US17599299

申请日：2021-02-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qingxun Zhang ,  Qian Wang ,  Wenqing Zhao ,  Zhongxiao Li ,  Song Yang

IPC: G02F1/1335 ,  G02F1/13357 ,  G02F1/1343 ,  G02F1/137

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：US20210096421A1

公开(公告)日：2021-04-01

申请号：US16887067

申请日：2020-05-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Sen Ma ,  Qian Wang ,  Zhongxiao Li ,  Qingxun Zhang ,  Wenqing Zhao ,  Xiaochuan Chen

IPC: G02F1/1335 ,  F21V8/00

Abstract: A display panel includes a light guide plate, a substrate, a reflector and a liquid crystal layer. A refractive index of the liquid crystal layer can vary between a minimum liquid crystal refractive index and a maximum liquid crystal refractive index. One side, facing the substrate, of the light guide plate includes a light entry region, light at least partially enters the liquid crystal layer through the light entry region and is propagated towards the reflector. The maximum liquid crystal refractive index is greater than a refractive index of the reflector, and the minimum reflective index is not greater than the refractive index of the reflector. When the refractive index of the liquid crystal layer is greater than the reflective index of the reflector, the reflector reflects at least a part of light entering the liquid crystal layer from the light entry region to the light guide plate.

公开(公告)号：US12278213B2

公开(公告)日：2025-04-15

申请号：US17422220

申请日：2020-10-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Mingxing Wang ,  Meng Yan ,  Qingxun Zhang ,  Qian Wu ,  Xuan Feng ,  Xiawei Yun ,  Guangcai Yuan ,  Xue Dong ,  Muxin Di ,  Zhiwei Liang ,  Ke Wang

IPC: H01L27/15 ,  H01L23/00 ,  H01L23/498 ,  H01L25/065 ,  H10K59/35

Abstract: A display substrate and a display device are provided. The display substrate includes a backplane including a plurality of pixel regions; and light emitting units arranged in one-to-one correspondence with the plurality of pixel regions. Each light emitting unit includes light emitting sub-units arranged in a plurality of rows and a plurality of columns, each row of light emitting sub-units includes a plurality of light emitting sub-units arranged along a row direction, each column of light emitting sub-units includes one light emitting sub-unit, and orthographic projections of light emitting regions of two adjacent columns of light emitting sub-units on a first straight line extending along a column direction are not overlapped; and in each light emitting unit, there is no gap between orthographic projections of the light emitting regions of the two adjacent columns of light emitting sub-units on a second straight line extending along the row direction.

公开(公告)号：US11226514B2

公开(公告)日：2022-01-18

申请号：US16887067

申请日：2020-05-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Sen Ma ,  Qian Wang ,  Zhongxiao Li ,  Qingxun Zhang ,  Wenqing Zhao ,  Xiaochuan Chen

IPC: G02F1/1335 ,  G02F1/1339 ,  G02F1/13357 ,  F21V8/00

Abstract: A display panel includes a light guide plate, a substrate, a reflector and a liquid crystal layer. A refractive index of the liquid crystal layer can vary between a minimum liquid crystal refractive index and a maximum liquid crystal refractive index. One side, facing the substrate, of the light guide plate includes a light entry region, light at least partially enters the liquid crystal layer through the light entry region and is propagated towards the reflector. The maximum liquid crystal refractive index is greater than a refractive index of the reflector, and the minimum reflective index is not greater than the refractive index of the reflector. When the refractive index of the liquid crystal layer is greater than the reflective index of the reflector, the reflector reflects at least a part of light entering the liquid crystal layer from the light entry region to the light guide plate.

公开(公告)号：US11215874B2

公开(公告)日：2022-01-04

申请号：US17196975

申请日：2021-03-09

Applicant: BOE Technology Group Co., Ltd.

Inventor： Sen Ma ,  Qian Wang ,  Tao Hong ,  Wenqing Zhao ,  Qingxun Zhang ,  Zhongxiao Li

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

Abstract: A light collimation device, a backlight module and a display panel are provided. The light collimation device includes a lampshade and a light guiding part, wherein the lampshade includes a plurality of curved reflecting parts, a first total reflecting part and a second total reflecting part. The curved reflecting part is configured to reflect part of light from a light source arranged at a focal point of curved reflecting part to the first total reflecting part. The first total reflecting part is configured to reflect part of incident light to the second total reflecting part and directly direct another part of light to the light guiding part. The second total reflecting part is configured to reflect incident light to the light guiding part. The light guiding part is configured to cause incident light to propagate in a total reflection.

公开(公告)号：US10928687B1

公开(公告)日：2021-02-23

申请号：US16826256

申请日：2020-03-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhongxiao Li ,  Qingxun Zhang ,  Wenqing Zhao

IPC: G09G3/36 ,  G02F1/1343 ,  G02F1/1362

Abstract: A display device and a driving method thereof are disclosed. The display device comprises: an array substrate, an opposite substrate and a liquid crystal layer; the display device includes sub-pixel areas including a shading area and a light-transmitting area; the sub-pixel area includes an electrode structure and a first shading part, and the electrode structure includes: first electrodes, second electrodes and third electrodes; the first electrodes are divided into first type electrodes and second type electrodes; the electrode structure is configured to: apply the same voltage to the first type electrode, the second electrode and the third electrode, apply different voltages to the first type electrode and the second type electrode to control liquid crystal molecules to form a liquid crystal lens; or apply different voltages to the second electrode and the third electrode to control the liquid crystal molecules to form a liquid crystal grating.