公开(公告)号：US20200070158A1

公开(公告)日：2020-03-05

申请号：US16457098

申请日：2019-06-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Fangzhou WANG ,  Xianqin MENG ,  Wei WANG ,  Jifeng TAN ,  Jian GAO ,  Xiandong MENG ,  Pengxia LIANG ,  Qiuyu LING ,  Xiaochuan CHEN

IPC: B01L3/00 ,  G01N21/59

Abstract: The present disclosure provides a light source assembly including a light source and a bull's eye collimation structure disposed on a light exiting side of the light source and configured to collimate light beam emitted by the light source. The bull's eye collimation structure includes a metal layer including a sub-wavelength aperture and a plurality of annular recesses surrounding the sub-wavelength aperture, the plurality of annular recesses being arranged along a radial direction of the sub-wavelength aperture.

公开(公告)号：US20200033524A1

公开(公告)日：2020-01-30

申请号：US16397040

申请日：2019-04-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jian GAO ,  Xiaochuan CHEN ,  Wei WANG ,  Pengxia LIANG ,  Jifeng TAN ,  Xiandong MENG ,  Xianqin MENG ,  Fangzhou WANG

IPC: F21V8/00 ,  G02F1/1335 ,  G02B27/12

Abstract: A display apparatus and a method for controlling the same are provided. The display apparatus includes: a light guide module comprising a light incident region and a light emergent region; a display module, arranged corresponding to the light incident region of the light guide module and configured to display images; and a liquid crystal lens with a plurality of adjustable focal lengths, arranged between the display module and the light guide module and corresponding to the light incident region of the light guide module, and configured to form virtual images with different depths of field for the images displayed on the display module. The light guide module is configured to guide light exited from the liquid crystal lens to propagate in a direction from the light incident region to the light emergent region within the light guide module.

公开(公告)号：US20190265521A1

公开(公告)日：2019-08-29

申请号：US15764563

申请日：2017-09-06

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengxia LIANG ,  Xiao ZHANG ,  Xin GU

IPC: G02F1/137 ,  G02F1/1343 ,  G02F1/133 ,  G02F1/1337

Abstract: A reflective display and a preparation method thereof are disclosed. The reflective display includes: a first substrate and a second substrate, a first electrode provided on the first substrate a transparent dielectric layer provided on a side of the first substrate, which side faces the second substrate, a second electrode provided on the second substrate, and liquid crystal located between the first substrate and the second substrate; a refractive index of the liquid crystal changes under action of an electric field formed by the first electrode and the second electrode so that the refractive index of the liquid crystal is the same as or substantially the same as a refractive index of the transparent dielectric layer, or less than the refractive index of the transparent dielectric layer.

公开(公告)号：US20190237005A1

公开(公告)日：2019-08-01

申请号：US16145357

申请日：2018-09-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengxia LIANG ,  Wei WANG ,  Xiaochuan CHEN ,  Jifeng TAN ,  Xiandong MENG ,  Jian GAO ,  Xianqin MENG ,  Jing YU

IPC: G09G3/30 ,  G09G3/20 ,  H04N9/31

CPC classification number: G09G3/30 ,  G09G3/2003 ,  G09G2310/0264 ,  H04N9/312

Abstract: The present disclosure provides a display panel, a display device and a display method. The display panel includes a substrate and several pixel units formed on the substrate. The pixel unit includes a monochromatic electroluminescent component, which is disposed on the substrate; a rotating mechanism, which includes a bracket and a diaphragm set disposed on the bracket, the diaphragm set comprising diaphragms with at least two different colors; and a micro-electromechanical controller, which is connected to the bracket to control rotation of the bracket, so as to control an orthographic projection of the diaphragm on the substrate to at least partially overlap with an orthographic projection of the monochromatic electroluminescent component on the substrate, such that a light emitted by the monochromatic electroluminescent component permeates through the diaphragms of different colors, and emits a light corresponding to the colors of the diaphragms.

公开(公告)号：US20190129247A1

公开(公告)日：2019-05-02

申请号：US15571702

申请日：2017-06-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kang GUO ,  Pengxia LIANG ,  Xin GU ,  Xiao ZHANG

IPC: G02F1/1335 ,  G02F1/1343

Abstract: A reflective display includes a first substrate and a second substrate arranged oppositely, a first electrode provided on the first substrate, a transparent dielectric layer arranged on the side of the first substrate opposite to the second substrate, a second electrode provided on the second substrate, and immiscible electrostriction light-absorbing material and transparent liquid filled between the first substrate and the second substrate. The light incident into the reflective display can be totally reflected on the side of the transparent liquid next to the first substrate; the electrostriction light-absorbing material deforms under action of an electric field formed by the first electrode and the second electrode, which enables a spreading area of the side of the transparent liquid next to the first substrate change.

公开(公告)号：US20190080138A1

公开(公告)日：2019-03-14

申请号：US16124908

申请日：2018-09-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jian GAO ,  Xiaochuan CHEN ,  Wei WANG ,  Wenqing ZHAO ,  Haisheng WANG ,  Yingming LIU ,  Rui XU ,  Xiandong MENG ,  Jifeng TAN ,  Pengxia LIANG

IPC: G06K9/00 ,  G02B3/00

Abstract: A display panel and a display device are disclosed. The display panel includes a display-side substrate, and a display array layer, a lens layer and an image array layer, which are sequentially provided at a side of the display-side substrate. The display array layer includes a plurality of display pixels arranged in an array; and the image array layer includes a plurality of image pixels arranged in an array, and is configured to form an image with light being reflected from a display side and passing through the lens layer.

公开(公告)号：US20190011735A1

公开(公告)日：2019-01-10

申请号：US15749258

申请日：2017-07-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jifeng TAN ,  Wei WANG ,  Yafeng YANG ,  Xiaochuan CHEN ,  Pengxia LIANG ,  Dacheng ZHANG

IPC: G02F1/1334 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/29 ,  C09K19/54

Abstract: A display panel and a display device are disclosed. The display panel comprises a first substrate, a second substrate, a gating layer, and a waveguide layer, a first electrode and a second electrode between the first and the second substrates, the gating layer includes a polymer layer and multiple liquid crystal gratings arranged with an interval, the polymer layer covering the liquid crystal gratings and being in gaps between the liquid crystal gratings. The first and second electrodes are configured to adjust a refractive index of the liquid crystal gratings by changing voltages applied thereto, a coupling efficiency at which light is coupled out of the waveguide layer is determined according to difference between the refractive indices of the liquid crystal gratings and the polymer layer, and the grating layer controls exiting angle and diffraction efficiency of light of a specific color in each pixel unit.

公开(公告)号：US20180299715A1

公开(公告)日：2018-10-18

申请号：US15568167

申请日：2017-05-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiao ZHANG ,  Pengxia LIANG ,  Kang GUO ,  Xin GU

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

Abstract: A display panel and a driving method and manufacturing method thereof, and a display device. The display panel includes a base substrate, a dielectric layer provided on the base substrate, and a refractive index variable layer provided on a side of the dielectric layer away from the base substrate; the refractive index variable layer is in contact with the dielectric layer and has a contact surface with the dielectric layer, and the refractive index variable layer can change the refractive index so that the light entering from the light incident side is totally reflected or transmitted at the contact surface.

公开(公告)号：US20180292643A1

公开(公告)日：2018-10-11

申请号：US15567263

申请日：2017-06-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengxia LIANG ,  Xin GU ,  Kang GUO

IPC: G02B26/02

CPC classification number: G02B26/02 ,  G02F1/1333 ,  G02F1/133555 ,  G02F1/134309 ,  G02F1/157 ,  G02F1/195 ,  G09F9/302

Abstract: A display panel and a manufacturing method thereof, and a display device are provided. The display panel includes a plurality of display units. Each display unit includes a first substrate and a second substrate opposite to each other. The first substrate includes a first base substrate and a first electrode, an electrostriction layer and a reflective trough which are disposed thereon. The second substrate includes a second base substrate and a second electrode and a reflective cavity body which are disposed thereon. A support is disposed between the first base substrate and the second base substrate, such that a distance between the first base substrate and the second base substrate is kept constant.

公开(公告)号：US20180088434A1

公开(公告)日：2018-03-29

申请号：US15720049

申请日：2017-09-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengxia LIANG ,  Jing YU ,  Ken WEN

IPC: G02F1/167 ,  G02F1/17 ,  G02F1/1362 ,  G09G3/34

CPC classification number: G02F1/167 ,  G02F1/133553 ,  G02F1/1362 ,  G02F1/172 ,  G02F2001/133562 ,  G02F2001/1678 ,  G02F2203/023 ,  G09G3/344 ,  G09G2320/066

Abstract: Embodiments of the present disclosure provide a display panel and a driving method thereof. The display panel includes a first substrate and a second substrate which are aligned and assembled into a cell, wherein the first substrate includes a first base body, a total internal reflection structure and a first electrode are provided at a side of the first base body facing to the second substrate, and the second substrate includes a second base body and a second electrode which is provided at a side of the second base body facing to the first substrate. The display panel further includes cholesteric liquid crystal provided between the first and second substrates, charged light-absorbing particles are mixed in the cholesteric liquid crystal, and a refractive index of the cholesteric liquid crystal is smaller than each of refractive indexes of the total internal reflection structure and the light-absorbing particles.