Patents by Inventor Haijun Niu
Haijun Niu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11635658Abstract: The color filter substrate includes a photoluminescent layer and an optical path adjustment layer. The photoluminescent layer includes a plurality of photoluminescent portions. Each photoluminescent portion is configured to receive backlight and emit excitation light. The optical path adjustment layer is located on a light incident side of the photoluminescent layer, and the optical path adjustment layer is configured to increase an incident angle of at least portion of the backlight that enters the photoluminescent layer.Type: GrantFiled: August 21, 2020Date of Patent: April 25, 2023Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Song Yang, Ge Shi, Haijun Niu, Yujie Liu, Ming Zhu, Shiyu Zhang, Zheng Fang, Yanliu Sun, Jiahui Han, Yuyao Wang
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Patent number: 11567403Abstract: 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.Type: GrantFiled: April 29, 2020Date of Patent: January 31, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ge Shi, Ming Zhu, Zheng Fang, Yanliu Sun, Haijun Niu, Shiyu Zhang, Song Yang, Yujie Liu, Yuyao Wang, Jiahui Han, Xiaochuan Chen, Xue Dong
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Patent number: 11480822Abstract: 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.Type: GrantFiled: September 4, 2019Date of Patent: October 25, 2022Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Ge Shi, Shiyu Zhang, Ming Zhu, Haijun Niu, Yujie Liu, Zheng Fang, Yuyao Wang, Xiaochuan Chen
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Patent number: 11391749Abstract: This disclosure provides a gene chip comprising a substrate and at least one positioning device fixed on an upper surface of the substrate, wherein the at least one positioning device is provided with a receiving cavity for receiving a bead, the receiving cavity being arranged on a surface of the at least one positioning device facing away from the substrate, and a cross-sectional area of the receiving cavity is gradually decreased in a direction toward the upper surface of the substrate. This disclosure further provides a gene detection device comprising the gene chip.Type: GrantFiled: June 24, 2019Date of Patent: July 19, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Song Yang, Ming Zhu, Shiyu Zhang, Jiahui Han, Zheng Fang, Ge Shi, Haijun Niu, Yujie Liu, Yuyao Wang
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Patent number: 11328645Abstract: 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.Type: GrantFiled: May 31, 2018Date of Patent: May 10, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Bin Dai, Xue Dong, Xiaomang Zhang, Jing Lv, Dong Chen, Yuxin Bi, Yanhui Xi, Xiaolong Li, Haijun Niu
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Patent number: 11314129Abstract: 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.Type: GrantFiled: December 25, 2019Date of Patent: April 26, 2022Assignee: BOE Technology Group Co., Ltd.Inventors: Song Yang, Ming Zhu, Shiyu Zhang, Zheng Fang, Ge Shi, Haijun Niu, Yujie Liu, Jiahui Han, Yuyao Wang
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Patent number: 11308844Abstract: 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.Type: GrantFiled: November 13, 2018Date of Patent: April 19, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yanhui Xi, Bin Dai, Xiaomang Zhang, Haijun Niu, Kuanjun Peng, Xiaolong Li, Donghui Wang, Yan Sun
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Publication number: 20220107533Abstract: The color filter substrate includes a photoluminescent layer and an optical path adjustment layer. The photoluminescent layer includes a plurality of photoluminescent portions. Each photoluminescent portion is configured to receive backlight and emit excitation light. The optical path adjustment layer is located on a light incident side of the photoluminescent layer, and the optical path adjustment layer is configured to increase an incident angle of at least portion of the backlight that enters the photoluminescent layer.Type: ApplicationFiled: August 21, 2020Publication date: April 7, 2022Inventors: Song YANG, Ge SHI, Haijun NIU, Yujie LIU, Ming ZHU, Shiyu ZHANG, Zheng FANG, Yanliu SUN, Jiahui HAN, Yuyao WANG
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Patent number: 11244985Abstract: 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.Type: GrantFiled: November 15, 2019Date of Patent: February 8, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiahui Han, Zheng Fang, Ming Zhu, Ge Shi, Haijun Niu, Shiyu Zhang, Yujie Liu, Song Yang, Yuyao Wang
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Patent number: 11205691Abstract: A display panel and a display device are provided, and the display panel includes a substrate and a pixel layer disposed on the substrate. The pixel layer includes a plurality of pixel units arranged in an array. The display panel includes a main light-transmitting region surrounded by the plurality of pixel units, and an orthographic projection of the main light-transmitting region on the substrate is not overlapped with orthographic projections of the plurality of pixel units on the substrate, so that external light is allowed to pass through the main light-transmitting region of the display panel, and then is received by an image acquisition device disposed on a side of the display panel.Type: GrantFiled: March 17, 2020Date of Patent: December 21, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yanliu Sun, Ming Zhu, Ge Shi, Haijun Niu, Yuyao Wang, Shiyu Zhang, Song Yang, Zheng Fang, Jiahui Han, Yujie Liu, Hao Zhang
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Publication number: 20210335183Abstract: 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.Type: ApplicationFiled: May 31, 2018Publication date: October 28, 2021Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Bin DAI, Xue DONG, Xiaomang ZHANG, Jing LV, Dong CHEN, Yuxin BI, Yanhui XI, Xiaolong LI, Haijun NIU
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Publication number: 20210335184Abstract: 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.Type: ApplicationFiled: November 13, 2018Publication date: October 28, 2021Inventors: Yanhui XI, Bin DAI, Xiaomang ZHANG, Haijun NIU, Kuanjun PENG, Xiaolong LI, Donghui WANG, Yan SUN
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Patent number: 11099422Abstract: The present disclosure relates to a display panel, a display device, a reflective filter and a control method thereof. The reflective filter includes: a substrate; a first dielectric layer having a first refractive index, and located on one side of the substrate; a periodic array structure located on one side of the first dielectric layer away from the substrate and in direct contact with the first dielectric layer, wherein the periodic array structure includes a plurality of solid material patterns spaced apart by gaps; and a second dielectric layer covering the periodic array structure and filling the gaps, wherein a material of the second dielectric layer is a variable refractive index material; wherein the first refractive index of the first dielectric layer is lower than an equivalent refractive index nneff of the periodic array structure with the gaps filled with the variable refractive index material.Type: GrantFiled: December 11, 2019Date of Patent: August 24, 2021Assignee: BOE Technology Group Co., Ltd.Inventors: Song Yang, Ming Zhu, Shiyu Zhang, Zheng Fang, Haijun Niu, Ge Shi, Yujie Liu, Jiahui Han, Yuyao Wang
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Publication number: 20210232002Abstract: The present disclosure relates to a display panel, a display device, a reflective filter and a control method thereof. The reflective filter includes: a substrate; a first dielectric layer having a first refractive index, and located on one side of the substrate; a periodic array structure located on one side of the first dielectric layer away from the substrate and in direct contact with the first dielectric layer, wherein the periodic array structure includes a plurality of solid material patterns spaced apart by gaps; and a second dielectric layer covering the periodic array structure and filling the gaps, wherein a material of the second dielectric layer is a variable refractive index material; wherein the first refractive index of the first dielectric layer is lower than an equivalent refractive index nneff of the periodic array structure with the gaps filled with the variable refractive index material.Type: ApplicationFiled: December 11, 2019Publication date: July 29, 2021Inventors: Song Yang, Ming Zhu, Shiyu Zhang, Zheng Fang, Haijun Niu, Ge Shi, Yujie Liu, Jiahui Han, Yuyao Wang
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Publication number: 20210223632Abstract: 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.Type: ApplicationFiled: December 25, 2019Publication date: July 22, 2021Inventors: Song YANG, Ming ZHU, Shiyu ZHANG, Zheng FANG, Ge SHI, Haijun NIU, Yujie LIU, Jiahui HAN, Yuyao WANG
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Patent number: 11003014Abstract: Disclosed are a display substrate and a method for manufacturing the same, a display panel and a display device. The display panel includes a carrier substrate; an adhesive layer, a color resist layer, a first flat layer and a metal wire grid layer that are distributed in a direction distal from the carrier substrate; and a light shielding pattern disposed between the adhesive layer and the first flat layer. A surface of the light shielding pattern proximal to the metal wire grid layer is in the same plane as a surface of the color resist layer proximal to the metal wire grid layer. The present disclosure contributes to increasing the yield of the metal wire grid layer and improving the display effect of the display panel.Type: GrantFiled: October 11, 2019Date of Patent: May 11, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zheng Fang, Ge Shi, Ming Zhu, Haijun Niu, Shiyu Zhang, Song Yang, Yujie Liu, Jiahui Han, Yuyao Wang
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Publication number: 20210124262Abstract: 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.Type: ApplicationFiled: April 29, 2020Publication date: April 29, 2021Inventors: Ge SHI, Ming ZHU, Zheng FANG, Yanliu SUN, Haijun NIU, Shiyu ZHANG, Song YANG, Yujie LIU, Yuyao WANG, Jiahui HAN, Xiaochuan CHEN, Xue DONG
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Patent number: 10983258Abstract: 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.Type: GrantFiled: June 21, 2019Date of Patent: April 20, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Song Yang, Ge Shi, Ming Zhu, Shiyu Zhang, Zheng Fang, Haijun Niu, Yujie Liu, Jiahui Han, Yuyao Wang
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Publication number: 20210036078Abstract: A display panel and a display device are provided, and the display panel includes a substrate and a pixel layer disposed on the substrate. The pixel layer includes a plurality of pixel units arranged in an array. The display panel includes a main light-transmitting region surrounded by the plurality of pixel units, and an orthographic projection of the main light-transmitting region on the substrate is not overlapped with orthographic projections of the plurality of pixel units on the substrate, so that external light is allowed to pass through the main light-transmitting region of the display panel, and then is received by an image acquisition device disposed on a side of the display panel.Type: ApplicationFiled: March 17, 2020Publication date: February 4, 2021Inventors: Yanliu Sun, Ming Zhu, Ge Shi, Haijun Niu, Yuyao Wang, Shiyu Zhang, Song Yang, Zheng Fang, Jiahui Han, Yujie Liu, Hao Zhang
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Patent number: 10896635Abstract: 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.Type: GrantFiled: September 27, 2018Date of Patent: January 19, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yanhui Xi, Bin Dai, Xiaomang Zhang, Yan Sun, Kuanjun Peng, Haijun Niu, Xiaolong Li, Donghui Wang