公开(公告)号：US20160357068A1

公开(公告)日：2016-12-08

申请号：US14892239

申请日：2015-03-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yafeng Yang ,  Jing Lv ,  Ming Zhu

IPC: G02F1/1335 ,  G02F1/1337

CPC classification number: G02F1/133621 ,  G02F1/133504 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/133528 ,  G02F1/133615 ,  G02F1/133617 ,  G02F1/13362 ,  G02F1/1337 ,  G02F2001/133565 ,  G02F2201/52 ,  G02F2202/36 ,  G02F2203/055

Abstract: Embodiments of the present invention disclose a display panel and a display apparatus so as to increase the optical conversion efficiency of the display panel. The display panel comprises: an array substrate and a color filter substrate which are arranged oppositely; a liquid crystal layer arranged between the array substrate and the color filter substrate; an upper polarizing layer provided between the color filter substrate and the liquid crystal layer; and a quantum dot excitation layer provided on the color substrate, wherein the upper polarizing layer is configured such that a first linearly polarized light transmitted through the upper polarizing layer irradiates on the quantum dot excitation layer. By disposing the upper polarizing layer between the color filter substrate and the liquid crystal layer, a first linearly polarized light transmitted through the upper polarizing layer arrives at the quantum dot excitation layer, then the quantum dot excitation layer is excited by the first linearly polarized light and emits scattered light, the optical conversion efficiency of the display panel is thus increased.

Abstract translation: 本发明的实施例公开了一种显示面板和显示装置，以便提高显示面板的光转换效率。 显示面板包括：相对布置的阵列基板和滤色器基板; 布置在阵列基板和滤色器基板之间的液晶层; 设置在滤色器基板和液晶层之间的上偏振层; 以及设置在彩色基板上的量子点激励层，其中上偏振层被配置为使得透过上偏振层的第一直线偏振光照射在量子点激发层上。 通过在滤色器基板和液晶层之间配置上偏振层，透过上偏振层的第一直线偏振光到达量子点激发层，然后量子点激发层被第一直线偏振光 并发出散射光，因此显示面板的光转换效率提高。

公开(公告)号：US10976593B2

公开(公告)日：2021-04-13

申请号：US16080149

申请日：2018-02-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jifeng Tan ,  Xianqin Meng ,  Yafeng Yang ,  Xiandong Meng ,  Wei Wang ,  Jian Gao

IPC: G02F1/1335 ,  G02B5/20 ,  G02B5/26

Abstract: A filter structure, a display substrate, a display panel and a display device are provided. The filter structure includes a first refractive index match layer, a waveguide layer, a second refractive index match layer and a grating layer, that are stacked, the waveguide layer is located between the first refractive index match layer and the second refractive index match layer, the second refractive index match layer is located between the waveguide layer (112) and the grating layer, and refractive index of the first refractive index match layer and refractive index of the second refractive index match layer both are smaller than refractive index of the waveguide layer.

公开(公告)号：US10795191B2

公开(公告)日：2020-10-06

申请号：US16078285

申请日：2017-11-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jian Gao ,  Xiaochuan Chen ,  Yafeng Yang ,  Xiandong Meng ,  Pengcheng Lu

IPC: G02F1/133 ,  G03H1/22 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1334

Abstract: A display device and a display method are provided. The display device includes: an optical element including a plurality of optical units arranged independent of each other, wherein one or more optical parameters of each of the optical units are adjustable, and the one or more optical parameters comprise at least one of light transmittance or refractive index; a laser source arranged at a side of the optical element, and configured to emit a laser beam related to a to-be-displayed holographic image; and a driving circuit configured to adjust the light transmittance and/or refractive index of each of the optical units in accordance with image data about the to-be-displayed holographic image in such a manner that the optical unit is configured to modulate the laser beam or a linearly-polarized light beam acquired by converting the laser beam.

公开(公告)号：US10712482B2

公开(公告)日：2020-07-14

申请号：US15761131

申请日：2017-06-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wei Wang ,  Yafeng Yang ,  Xiaochuan Chen ,  Qian Wang ,  Jifeng Tan ,  Jian Gao ,  Xinli Ma ,  Can Zhang ,  Can Wang

IPC: G02B5/18 ,  G02B5/20 ,  G02F1/1335

Abstract: A display device is disclosed. The display device includes a display panel, and a grating layer arranged inside or outside of the display panel. Along a direction pointing from a center of a sight concentration area of the display device to a non-sight concentration area of the display device, a grating period of the grating layer decreases gradually. When incident light incident on the grating layer is diffracted at an area of the grating layer corresponding to the non-sight concentration area of the display device, the obtained light of non-zero order diffraction falls into a sight of a viewer.

公开(公告)号：US20200064532A1

公开(公告)日：2020-02-27

申请号：US15750655

申请日：2017-09-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wei Wang ,  Yafeng Yang ,  Xiaochuan Chen ,  Xinli Ma

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

Abstract: The disclosure provides a display panel and a display device. The display panel includes an upper substrate (001) and a lower substrate (002) arranged opposite to each other, a liquid crystal layer (003), a waveguide layer (004), a plurality of grating coupling structures (005), and a plurality of electrode structures (006). The liquid crystal layer (003) is arranged between the upper substrate (001) and the lower substrate (002), and liquid crystal molecules in the liquid crystal layer (003) have a refractive index no with respect to o-polarized light, and a refractive index ne with respect to e-polarized light; the waveguide layer (004) is arranged on a side of the lower substrate (002) facing the upper substrate (001), and a refractive index of the waveguide layer (004) is at least greater than a refractive index of a film layer in contact with the waveguide layer (004); the plurality of grating coupling structures (005) are arranged and arrayed on a surface of the waveguide layer (004) on a side thereof facing the upper substrate (001); and the plurality of electrode structures (006) are arranged on sides of the grating coupling structures (005) facing the upper substrate (001) and are in correspondence to the grating coupling structures (005) in a one-to-one manner. The display and the display device can control a display grayscale.

公开(公告)号：US10564476B2

公开(公告)日：2020-02-18

申请号：US15501942

申请日：2016-07-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yafeng Yang ,  Xin Li

IPC: G02F1/13363 ,  G02F1/1337 ,  G02F1/1335

Abstract: A liquid crystal display panel is provided. The liquid crystal display panel comprises: a first substrate (110) and a second substrate (120) which are oppositely arranged, and a liquid crystal layer (130) arranged between the first substrate (110) and the second substrate (120); an alignment film (300) arranged on an inner side of the first substrate (110); and a compensation film (400) arranged on an inner side or an outer side of the second substrate (120). The inner side of the first substrate (110) and the inner side of the second substrate (120) are sides facing each other, and the outer side of the second substrate (120) is a side provided away from the inner side of the second substrate (120).

公开(公告)号：US10535306B2

公开(公告)日：2020-01-14

申请号：US15562673

申请日：2017-03-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji Yang ,  Xue Dong ,  Jing Lv ,  Xiaochuan Chen ,  Wenqing Zhao ,  Yafeng Yang ,  Lei Wang ,  Dongni Liu ,  Li Xiao ,  Pengcheng Lu ,  Han Yue ,  Jie Fu

IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3275

Abstract: A pixel circuit, a display panel, a display device and a driving method are disclosed. The pixel circuit includes: a light-emitting circuit including a plurality of light-emitting sub-circuits (111); and a compensation driving circuit including an output terminal and a driving transistor. The plurality of light-emitting sub-circuits are all electrically connected to the output terminal; and the compensation driving circuit is configured to receive a light-emitting data signal, compensate for a threshold voltage of the driving transistor, and drive any one of the plurality of light-emitting sub-circuits to emit light according to an output signal output by the output terminal.

公开(公告)号：US10386695B2

公开(公告)日：2019-08-20

申请号：US15560624

申请日：2017-03-09

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jian Gao ,  Xiaochuan Chen ,  Yafeng Yang

IPC: G02F1/1347 ,  G02F1/29 ,  G09F9/33 ,  G09G3/36 ,  H01L27/32

Abstract: An auxiliary panel, includes two auxiliary liquid crystal panels provided in a stack, wherein each of the auxiliary liquid crystal panels includes a liquid crystal layer, a first substrate and a second substrate provided opposite to each other to form a cell, the liquid crystal layer is encapsulated between the first substrate and the second substrate, the first substrate includes a first base substrate and a first transparent electrode layer, the second substrate includes a second base substrate and a second transparent electrode layer comprising a plurality of second transparent electrodes arranged in a matrix, a number of the second transparent electrodes is equal to a number of the second transparent electrodes, the second transparent electrodes on one of the auxiliary liquid crystal panels and the second transparent electrodes on the other of the auxiliary liquid crystal panels have corresponding positions and the same shape.

公开(公告)号：US20190204781A1

公开(公告)日：2019-07-04

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 ,  G02F1/1335 ,  G02F1/139 ,  G02F1/1343

CPC classification number: G03H1/0486 ,  G02F1/133526 ,  G02F1/133528 ,  G02F1/13439 ,  G02F1/1396 ,  G02F2001/133302 ,  G02F2001/133562 ,  G02F2001/133567 ,  G02F2203/12 ,  G03H2001/0204 ,  G03H2001/0491 ,  G03H2222/12 ,  G03H2222/53 ,  G03H2223/19 ,  G03H2223/22 ,  G03H2225/22 ,  G03H2225/31

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：US10267961B2

公开(公告)日：2019-04-23

申请号：US15568068

申请日：2017-04-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wei Wang ,  Yafeng Yang ,  Xiaochuan Chen ,  Jifeng Tan ,  Jian Gao ,  Can Wang ,  Xinli Ma ,  Can Zhang ,  Qian Wang

IPC: G02B5/18 ,  G02F1/1335 ,  G02B5/20

Abstract: A display device includes a display panel and a grating layer inside or outside the display panel. The display panel includes R pixels, G pixels and B pixels. The grating layer includes a R grating region, a G grating region and a B grating region; along a direction from a center of a central area of the view field of the display device to a non-central area of the view field, each of grating periods of the R, G and B grating regions gradually decreases; and lights emitted from positions of the display device corresponding to the R pixel, the G pixel and the B pixel are emitted respectively along straight lines formed by the position of the R pixel and the viewer, formed by the position of the G pixel and the viewer and formed by the position of the B pixel and the viewer.