公开(公告)号：US11567403B2

公开(公告)日：2023-01-31

申请号：US16861956

申请日：2020-04-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ge Shi ,  Ming Zhu ,  Zheng Fang ,  Yanliu Sun ,  Haijun Niu ,  Shiyu Zhang ,  Song Yang ,  Yujie Liu ,  Yuyao Wang ,  Jiahui Han ,  Xiaochuan Chen ,  Xue Dong

IPC: G02F1/1335 ,  G03F7/00 ,  G02F1/13357 ,  H01L27/32

Abstract: The present disclosure provides a quantum dot color filter, a fabrication method thereof, a display panel and a display device, and belongs to the field of display technology. The quantum dot color filter of the present disclosure includes a quantum dot functional layer configured to emit light of a certain color under excitation of excitation light. The quantum dot functional layer has a hollowed-out portion, which exposes a side surface of the quantum dot functional layer, so that the excitation light is able to arrive at the side surface.

公开(公告)号：US10896635B2

公开(公告)日：2021-01-19

申请号：US16482107

申请日：2018-09-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanhui Xi ,  Bin Dai ,  Xiaomang Zhang ,  Yan Sun ,  Kuanjun Peng ,  Haijun Niu ,  Xiaolong Li ,  Donghui Wang

IPC: G09G3/20

Abstract: Disclosed is a primary color conversion method, which may expand primary color signals that are applicable to a display device. The primary color conversion method includes: acquiring color coordinates and a brightness value of a first color in a first color gamut having M primary colors according to gray-scale values of the M primary colors corresponding to the first color; and mapping the color coordinates and the luminance value of the first color in the first color gamut to color coordinates and a brightness value of a second color corresponding to the first color in a second color gamut having N primary colors. 3≤M, 3≤N, M is different from N, and M and N are positive integers.

公开(公告)号：US11328645B2

公开(公告)日：2022-05-10

申请号：US16323931

申请日：2018-05-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Bin Dai ,  Xue Dong ,  Xiaomang Zhang ,  Jing Lv ,  Dong Chen ,  Yuxin Bi ,  Yanhui Xi ,  Xiaolong Li ,  Haijun Niu

IPC: G09G5/02 ,  G09G3/20

Abstract: The display control method according to some embodiments of the present disclosure includes: acquiring an M-primary-color input signal from each pixel in an original image, the original image including a plurality of pixels corresponding to the plurality of pixel units respectively, each pixel being configured to display a colored image in M primary colors, M being an integer greater than 1 and smaller than N; and calculating an N-primary-color input signal for a corresponding pixel unit of the N-primary-color display panel in accordance with color coordinates of each primary color for the N-primary-color display panel and the M-primary-color input signal.

公开(公告)号：US11308844B2

公开(公告)日：2022-04-19

申请号：US16337741

申请日：2018-11-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanhui Xi ,  Bin Dai ,  Xiaomang Zhang ,  Haijun Niu ,  Kuanjun Peng ,  Xiaolong Li ,  Donghui Wang ,  Yan Sun

IPC: G09G3/20 ,  G09G5/02

Abstract: A multi-primary color conversion method is provided to include: establishing a spatial gamut model of a display panel; determining a target peripheral surface corresponding to the target color according to the color coordinates of the target color and color coordinates of a color corresponding to each vertex of each peripheral surface; obtaining reference gray scales of a part of primary colors of the target color according to gray scales of the primary colors of a color corresponding to each vertex of the target peripheral surface; obtaining reference gray scales of the rest primary colors of the target color and a reference luminance of the target color; and respectively converting the reference gray scales of the plurality of primary colors of the target color into target gray scales according to a proportional relationship between the reference luminance and the target luminance of the target color.

公开(公告)号：US10761362B2

公开(公告)日：2020-09-01

申请号：US16446800

申请日：2019-06-20

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yujie Liu ,  Ming Zhu ,  Song Yang ,  Haijun Niu ,  Zheng Fang ,  Ge Shi ,  Shiyu Zhang ,  Jiahui Han ,  Yuyao Wang

IPC: G02F1/1335 ,  G02B5/18 ,  G02F1/13357 ,  G02F1/1343

Abstract: The disclosure discloses a display panel and a display device. The display panel includes: a base substrate, a reflecting layer, a dielectric grating layer, a filter layer, and a color filter layer including a first color filter element for transmitting light rays in a first color, a second color filter element for transmitting light rays in a second color, and a third color filter element for transmitting white light; the filter layer is configured to transmit light rays in first and second colors, and to reflect light rays in a third color; the dielectric grating layer includes a grating element corresponding in position to the third color filter element, and configured to reflect light rays in the first color transmitted through the filter layer to the first color filter element, and to reflect light rays in the second color transmitted through the filter layer to the second color filter element.

公开(公告)号：US20200219936A1

公开(公告)日：2020-07-09

申请号：US16684676

申请日：2019-11-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiahui Han ,  Zheng Fang ,  Ming Zhu ,  Ge Shi ,  Haijun Niu ,  Shiyu Zhang ,  Yujie Liu ,  Song Yang ,  Yuyao Wang

IPC: H01L27/32 ,  H01L51/50

Abstract: The present disclosure discloses a color film assembly, a display substrate and a method for fabricating the same, and a display apparatus. The color film assembly includes a quantum dot layer, and a filter layer on a light emitting side of the quantum dot layer. The filter layer includes filter units. Each of the filter units includes a first filter structure. A light emitting surface of the first filter structure has at least one converging structure. The quantum dot layer includes quantum dot units which are in one-to-one correspondence with the filter units. Each quantum dot unit includes at least one quantum dot structure. The quantum dot structures in each quantum dot unit are in one-to-one correspondence with the first filter structures in the corresponding filter unit.

公开(公告)号：US11480822B2

公开(公告)日：2022-10-25

申请号：US16560867

申请日：2019-09-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ge Shi ,  Shiyu Zhang ,  Ming Zhu ,  Haijun Niu ,  Yujie Liu ,  Zheng Fang ,  Yuyao Wang ,  Xiaochuan Chen

IPC: G02F1/1333 ,  G02F1/1335 ,  G02F1/13357

Abstract: A display substrate, a method for manufacturing the same, and a display device are provided. The display substrate includes a base substrate, a black matrix pattern on the base substrate, display units respectively in regions defined by the black matrix pattern, and a light-reflecting wall between at least two adjacent display units, where at least one of the at least two adjacent display units is a quantum dot display unit, and a reflectance of the light-reflecting wall to light in a first wavelength range is greater than a preset threshold.

公开(公告)号：US11314129B2

公开(公告)日：2022-04-26

申请号：US16963847

申请日：2019-12-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Song Yang ,  Ming Zhu ,  Shiyu Zhang ,  Zheng Fang ,  Ge Shi ,  Haijun Niu ,  Yujie Liu ,  Jiahui Han ,  Yuyao Wang

IPC: G02F1/1335

Abstract: Provided are a front light source and a display apparatus. The front light source is disposed on a light emitting side of a display panel. The front light source includes: a light guide member and a light emitting member disposed on a light incident side of the light guide member, the light guide member being configured to guide light emitted by the light emitting member onto the display panel; the light emitting member includes: a light source element and a quantum dot element which are disposed on a same layer, the light source element being configured to emit light of a first color, and the quantum dot element being configured to emit light of three colors including three-primary colors under excitation of the light emitted by the light source element, the first color is one of the three-primary colors.

公开(公告)号：US11244985B2

公开(公告)日：2022-02-08

申请号：US16684676

申请日：2019-11-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiahui Han ,  Zheng Fang ,  Ming Zhu ,  Ge Shi ,  Haijun Niu ,  Shiyu Zhang ,  Yujie Liu ,  Song Yang ,  Yuyao Wang

IPC: H01L27/32 ,  H01L51/50

Abstract: The present disclosure discloses a color film assembly, a display substrate and a method for fabricating the same, and a display apparatus. The color film assembly includes a quantum dot layer, and a filter layer on a light emitting side of the quantum dot layer. The filter layer includes filter units. Each of the filter units includes a first filter structure. A light emitting surface of the first filter structure has at least one converging structure. The quantum dot layer includes quantum dot units which are in one-to-one correspondence with the filter units. Each quantum dot unit includes at least one quantum dot structure. The quantum dot structures in each quantum dot unit are in one-to-one correspondence with the first filter structures in the corresponding filter unit.

公开(公告)号：US10983258B2

公开(公告)日：2021-04-20

申请号：US16448096

申请日：2019-06-21

Applicant: BOE Technology Group Co., Ltd.

Inventor： Song Yang ,  Ge Shi ,  Ming Zhu ,  Shiyu Zhang ,  Zheng Fang ,  Haijun Niu ,  Yujie Liu ,  Jiahui Han ,  Yuyao Wang

IPC: G02B5/20 ,  G02B5/26 ,  G03F7/00 ,  G02F1/1362

Abstract: Disclosed are a color filter substrate, a method for fabricating the same, and a display device. The color filter substrate includes a plurality of color-resist elements, and the color filter substrate further includes: a base substrate, and a groove arranged on the base substrate in correspondence to each of the color-resist elements, wherein a size of an opening of each groove is increase from the bottom to the top, a reflecting layer is coated on an inner surface of the groove, and a color-resist filler corresponding to a color of light emitted by the color-resist element is further filled in the groove above the reflecting layer.