公开(公告)号：US20160139445A1

公开(公告)日：2016-05-19

申请号：US14555933

申请日：2014-11-28

Applicant: Boe Technology Group Co., Ltd.

Inventor： Ming Zhu ,  Yafeng Yang ,  Teruaki Suzuki

IPC: G02F1/1339 ,  G02F1/1341 ,  G02F1/1335

CPC classification number: G02F1/13394 ,  G02F2001/13396 ,  G02F2001/13398 ,  G02F2201/54 ,  G02F2202/36 ,  G02F2203/60

Abstract: A liquid crystal cell and method for fabricating the same, a liquid crystal display panel, and a display device are disclosed. The liquid crystal cell comprises an active area and a dummy area, and comprises a first and second substrate which are arranged oppositely and separated by spacers, and liquid crystal arranged between the first and second substrate. The liquid crystal cell further comprises a volume variation compensating component which is arranged in the active area, and the volume variation compensating component comprises a material with a thermal expansion coefficient opposite to that of the liquid crystal, so as to compensate variation in the volume of liquid crystal when temperature varies. Not only defects of gravity mura at high temperature and bubbles at low temperature are eliminated to spread LC Margin, but also the scope of application environment for the liquid crystal display panel is expanded.

Abstract translation: 公开了一种液晶单元及其制造方法，液晶显示面板和显示装置。 液晶单元包括有源区和虚拟区，并且包括相对布置并由间隔物隔开的第一和第二基板以及布置在第一和第二基板之间的液晶。 液晶单元还包括布置在有源区域中的体积变化补偿组件，并且体积变化补偿组件包括具有与液晶的热膨胀系数相反的热膨胀系数的材料，以便补偿 液晶温度变化时。 消除了高温下的重力缺陷和低温气泡的缺陷，扩大了液晶显示面积，扩大了液晶显示面板的使用环境。

公开(公告)号：US20210231858A1

公开(公告)日：2021-07-29

申请号：US16301481

申请日：2018-02-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Wei Wang ,  Huijuan Wang ,  Yafeng Yang ,  Xiaochuan Chen ,  Xue Dong ,  Xiandong Meng ,  Xianqin Meng ,  Jifeng Tan

IPC: F21V8/00 ,  G02B5/18

Abstract: A backlight source is provided which includes a light guide plate 10 and a light-emitting unit 20. The light guide plate 10 includes a first surface and a second surface disposed oppositely. The light-emitting unit 20 is located on the side of the light guide plate where the first surface disposed. The grating layer 30 includes at least one grating unit configured to diffract light emitted by the light-emitting unit 20. The overall structure of the backlight source is no longer limited by the distance between the LEDs and the first layer diffusion layer, and therefore the thinning and lightening of the backlight source is realized. A manufacturing method of a backlight source and a display device are further provided.

公开(公告)号：US10969650B2

公开(公告)日：2021-04-06

申请号：US16329896

申请日：2018-03-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jian Gao ,  Xue Dong ,  Xiaochuan Chen ,  Yafeng Yang

IPC: G02F1/29 ,  G02F1/13 ,  G02F1/1335 ,  G02B30/27

Abstract: This disclosure proposes a liquid crystal cell, a display and an electronic device. The liquid crystal cell comprises a first substrate and a second substrate disposed above the first substrate. The first substrate is configured to be formed with a diffraction phase grating array on a surface thereof close to the second substrate, and the diffraction phase grating array is filled with liquid crystal units. The second substrate is configured to comprise stacked first electrode layer, insulating layer and second electrode layer on a side thereof close to the first substrate.

公开(公告)号：US10948874B2

公开(公告)日：2021-03-16

申请号：US16029614

申请日：2018-07-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jian Gao ,  Xiaochuan Chen ,  Yafeng Yang

IPC: G03H1/04 ,  G02F1/139 ,  G02F1/1335 ,  G02F1/1343 ,  G03H1/02 ,  G03H1/22 ,  G02F1/1333

Abstract: A holographic imaging device includes a laser device, a laser beam expanding and collimating system and a liquid crystal cell. The laser beam expanding and collimating system is configured to expand a light beam from the laser device and enable the expanded light beam to be transmitted substantially vertically to the liquid crystal cell. An amplitude-transmission coefficient distribution of the liquid crystal cell is determined in accordance with a brightness distribution of holographic interference fringes of an object to be displayed.

公开(公告)号：US10908343B2

公开(公告)日：2021-02-02

申请号：US15756823

申请日：2017-09-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xianqin Meng ,  Xue Dong ,  Wei Wang ,  Xiaochuan Chen ,  Yafeng Yang ,  Jifeng Tan ,  Xiandong Meng ,  Jian Gao ,  Pengxia Liang ,  Ming Zhu

IPC: F21V8/00 ,  G02B6/02 ,  G02B6/293 ,  G02F1/13357

Abstract: This disclosure provides a light source assembly and a display device, and the light source assembly includes: a first substrate and a second substrate arranged opposite to each other; a waveguide layer arranged between the first substrate and the second substrate; and a side-incident collimated light source arranged on a side of the waveguide layer, wherein the refractive index of the waveguide layer is higher than the refractive index of the first substrate, and the refractive index of the second substrate respectively; and light of the side-incident collimated light source is incident onto the side of the waveguide layer at a preset angle, and the incident light is totally reflected at the interference between the first substrate and the waveguide layer.

公开(公告)号：US20210011331A1

公开(公告)日：2021-01-14

申请号：US16077427

申请日：2018-01-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jian Gao ,  Xiaochuan Chen ,  Yafeng Yang ,  Jifeng TAN ,  Xianqin Meng ,  Pengcheng Lu

IPC: G02F1/1335 ,  G02F1/1343

Abstract: The present disclosure relates to a display mode controlling device, a controlling method thereof and a display device. The display mode controlling device includes: a first substrate including a plurality of lens units arranged in an array, each of the lens units is provided with an annular diffractive phase grating; a second substrate aligned with the first substrate; a liquid crystal (LC) layer located between the first substrate and the second substrate; and a control electrode configured to generate a predetermined electric field to control a deflection state of a LC molecule.

公开(公告)号：US10718936B2

公开(公告)日：2020-07-21

申请号：US16067980

申请日：2017-12-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xianqin Meng ,  Wei Wang ,  Xue Dong ,  Yafeng Yang ,  Xiaochuan Chen ,  Jifeng Tan ,  Xiandong Meng ,  Jian Gao

IPC: G02B26/00 ,  G02B5/18

Abstract: A display panel includes a light waveguide layer and a first substrate disposed opposite to each other, and further including an electrowetting control layer disposed between the light waveguide layer and the first substrate, the electrowetting control layer including a first electrode layer, a second electrode layer, and a grating layer and an electrowetting layer which are disposed between the first electrode and the second electrode layer, the grating layer and the electrowetting layer are configured to operatively couple light with a set transmittance, a setting direction, and a set wavelength out of the light waveguide layer.

公开(公告)号：US10663639B2

公开(公告)日：2020-05-26

申请号：US15752629

申请日：2017-08-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wei Wang ,  Yafeng Yang ,  Xiaochuan Chen ,  Xianqin Meng

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

Abstract: The disclosure provides a display device including an upper substrate (001) and a lower substrate (002) arranged opposite to each other, a liquid crystal layer (003), a wave guiding layer (004), electrode structures (005), and a collimated light source (006). The liquid crystal layer (003) is arranged between the upper substrate (001) and the lower substrate (002); the wave guiding layer (004) is arranged on a side of the lower substrate (002) facing the upper substrate (001), and a refractive index of the wave guiding layer (004) is at least greater than a refractive index of a film layer in contact with the wave guiding layer (004); the plurality of electrode structures (005) are arranged on a side of the upper substrate (001) facing the lower substrate (002), and the plurality of electrode structures (005) are arrayed in correspondence to sub-pixels in a one-to-one manner; and the collimated light source (006) is at least arranged on one side of the wave guiding layer (004). The display device can control a display grayscale.

公开(公告)号：US10598947B2

公开(公告)日：2020-03-24

申请号：US15560690

申请日：2016-09-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jifeng Tan ,  Xiaochuan Chen ,  Yafeng Yang ,  Jian Gao

IPC: G02B27/22 ,  G02F1/1335 ,  G09G3/00 ,  G02F1/1343 ,  H04N13/305 ,  F21V8/00

Abstract: A three-dimensional display panel includes a first display substrate having a plurality groups of M pixels, the first display substrate being a reflective display substrate; a second display substrate facing the first display substrate, the second display substrate being a transparent display substrate; and a lens array layer on a side of the second display substrate distal to the first display substrate having a plurality of lenses capable of directing light reflected by each of the M pixels into one of N view zones on a side of the lens array layer distal to the second display substrate; M is an integer ≥2; N is an integer ≥2.

公开(公告)号：US10551716B2

公开(公告)日：2020-02-04

申请号：US15742896

申请日：2017-07-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jian Gao ,  Xue Dong ,  Xiaochuan Chen ,  Yafeng Yang ,  Wei Wang ,  Jifeng Tan ,  Xiandong Meng

IPC: G02F1/29 ,  G02F1/1335 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/13

Abstract: Disclosed is a lens device, including: a first transparent substrate; a second transparent substrate; and a liquid crystal layer filled therebetween. The first transparent substrate is a Fresnel lens, and a surface of the Fresnel lens toward the liquid crystal layer is disposed with grooves which are spaced from one another in accordance with Fresnel wave zones. The second transparent substrate is configured to control state of a liquid crystal, such that a refractive index of the liquid crystal, when polarized light incident into the liquid crystal passes through the liquid crystal, transforms between a first refractive index of the liquid crystal and a second refractive index of the liquid crystal, wherein the first refractive index is greater than the second refractive index, and a refractive index of the Fresnel lens is substantially equal to the first refractive index of the liquid crystal in the liquid crystal layer.