Patents by Inventor Zhicheng Song
Zhicheng Song 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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Publication number: 20240084484Abstract: The present disclosure provides a method and a device for preparing a modified poly (m-phenylene isophthalamide) (PMIA) fiber by continuous polymerization-dry-wet spinning. The method includes the following steps: (1) preparing a mixed solution of m-phenylenediamine (MPD) and a copolymerized diamine monomer in N,N-dimethylacetamide (DMAC) serving as a solvent using a cosolvent; (2) mixing isophthaloyl chloride (IPC) with the mixed solution of the MPD and the copolymerized diamine monomer in the DMAC, and conducting pre-polycondensation and polycondensation in sequence to obtain a modified PMIA resin solution; and (3) subjecting the modified PMIA resin solution to additive addition, filtration, defoaming, and dry-wet spinning to obtain the modified PMIA fiber.Type: ApplicationFiled: October 11, 2022Publication date: March 14, 2024Applicant: ZHUZHOU TIMES NEW MATERIAL TECHNOLOGY CO., LTD.Inventors: Jun YANG, Kaikai CAO, Jin WANG, Yufeng LIU, Zhicheng SONG, You YANG, Feng YUAN, Wei WU, Zhijun ZHANG, Lei CHEN
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Patent number: 11508882Abstract: Disclosed in the present application are a quantum dot LED, a manufacturing method thereof, and a display device, belonging to the technical field of LED light sources. The quantum dot LED includes an LED support, an LED chip, a filling layer, and a quantum dot layer, where the LED support comprises a chamber; the LED chip is arranged on a bottom surface of the chamber; the filling layer covers the bottom surface of the chamber and the LED chip, and is engaged with walls of the chamber; and the quantum dot layer is arranged at an opening on a top surface of the chamber, a light incident side of the quantum dot layer abuts against a surface of the filling layer away from the bottom surface of the chamber, and a shortest distance h between the LED chip and the quantum dot layer meets h?0.03 mm.Type: GrantFiled: November 4, 2019Date of Patent: November 22, 2022Assignee: Hisense Visual Technology Co., Ltd.Inventors: Fulin Li, Zhicheng Song
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Patent number: 10797205Abstract: Liquid crystal display device and quantum dot LED are provided. The fluorescent layer is arranged at the light-emitting side of the LED chip so that the light of first wavelength generated by the LED chip excites the fluorescent layer to generate the light of second wavelength, the light of first wavelength excites the first quantum dot material of the quantum dot layer to generate the light of third wavelength, the light of first wavelength and the light of second wavelength excite the second quantum dot material to generate the light of fourth wavelength, the third wavelength is shorter than the second wavelength, and the light of third wavelength and the light of second wavelength have the same color.Type: GrantFiled: December 26, 2019Date of Patent: October 6, 2020Assignee: HISENSE VISUAL TECHNOLOGY CO., LTD.Inventors: Fulin Li, Zhicheng Song
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Patent number: 10783836Abstract: This disclosure provides a method, and a liquid crystal display device, where the method includes: determining grayscale values of pixels in a zone image data block under a predetermined rule according to a received image signal; pre-obtaining a zone backlight value corresponding to the zone image data block according to the grayscale values; calculating an adjusted backlight value of a backlight zone corresponding to the zone image data block, based on the zone backlight value, a backlight value gain variable, and an ambient luminance revision variable; outputting the adjusted backlight value to a driver circuit of a backlight source in the backlight zone; and driving the backlight source according to the adjusted backlight value to control brightness of the backlight source in the backlight zone.Type: GrantFiled: December 4, 2018Date of Patent: September 22, 2020Assignee: HISENSE VISUAL TECHNOLOGY CO., LTD.Inventors: Yuxin Zhang, Shunming Huang, Zhicheng Song
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Publication number: 20200144457Abstract: Liquid crystal display device and quantum dot LED are provided. The fluorescent layer is arranged at the light-emitting side of the LED chip so that the light of first wavelength generated by the LED chip excites the fluorescent layer to generate the light of second wavelength, the light of first wavelength excites the first quantum dot material of the quantum dot layer to generate the light of third wavelength, the light of first wavelength and the light of second wavelength excite the second quantum dot material to generate the light of fourth wavelength, the third wavelength is shorter than the second wavelength, and the light of third wavelength and the light of second wavelength have the same color.Type: ApplicationFiled: December 26, 2019Publication date: May 7, 2020Applicant: Qingdao Hisense Electronics Co., Ltd.Inventors: Fulin LI, Zhicheng SONG
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Publication number: 20200075817Abstract: Disclosed in the present application are a quantum dot LED, a manufacturing method thereof, and a display device, belonging to the technical field of LED light sources. The quantum dot LED includes an LED support, an LED chip, a filling layer, and a quantum dot layer, where the LED support comprises a chamber; the LED chip is arranged on a bottom surface of the chamber; the filling layer covers the bottom surface of the chamber and the LED chip, and is engaged with walls of the chamber; and the quantum dot layer is arranged at an opening on a top surface of the chamber, a light incident side of the quantum dot layer abuts against a surface of the filling layer away from the bottom surface of the chamber, and a shortest distance h between the LED chip and the quantum dot layer meets h?0.03 mm.Type: ApplicationFiled: November 4, 2019Publication date: March 5, 2020Inventors: FULIN LI, ZHICHENG SONG
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Patent number: 10439108Abstract: Some embodiments of the disclosure provide an LED light emitting device for a display device, and a display device, relate to the field of display technologies. The LED light emitting device includes a quantum dot film, a reflective filter layer, and at least one LED lamp, wherein the quantum dot film is arranged between the at least one LED lamp and the reflective filter layer; the at least one LED lamp is configured to emit light to excite a quantum dot material encapsulated in the quantum dot film to generate white backlight; and the reflective filter layer is configured to reflect light in a preset band and to transmit light outside the preset band, wherein the light in the preset band is light in a part of a band of the light emitted by the at least one LED lamp.Type: GrantFiled: July 27, 2018Date of Patent: October 8, 2019Assignees: Hisense Electric Co., Ltd., Hisense USA Corporation, Hisense International Co., Ltd.Inventors: Fulin Li, Zhicheng Song, Kun Shao
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Publication number: 20190243055Abstract: Disclosed is an edge-lit backlight module, including: a mono-color backlight source; a light guide panel (LGP); a light entrance surface of the LGP opposite to the mono-color backlight source and configured to receive light emitted from the mono-color backlight source; a quantum dot (QD) film disposed on a light emergent surface of the LGP; and a reflective sheet disposed on a bottom surface of the LGP opposite to the light emergent surface, where diffusion dots and fluorescence excitation dots are disposed on the bottom surface; where the diffusion dots are disposed in a center region of the bottom surface and configure to receive the light emitted from the mono-color backlight source and generate a diffusion light having a same color with the light emitted from the mono-color backlight source, and the fluorescence excitation dots are disposed in an edge region of the bottom surface.Type: ApplicationFiled: March 20, 2019Publication date: August 8, 2019Applicant: Qingdao Hisense Electronics Co., Ltd.Inventors: Fulin Li, Zhicheng Song, Zhenguo Liu
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Patent number: 10330980Abstract: The disclosure provides a quantum dot light emitting device, a backlight module, and a display device.Type: GrantFiled: October 10, 2017Date of Patent: June 25, 2019Assignees: Hisense Electric Co., Ltd., Hisense USA Coporation, Hisense International Co., Ltd.Inventor: Zhicheng Song
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Publication number: 20190108797Abstract: This disclosure provides a method, and a liquid crystal display device, where the method includes: determining grayscale values of pixels in a zone image data block under a predetermined rule according to a received image signal; pre-obtaining a zone backlight value corresponding to the zone image data block according to the grayscale values; calculating an adjusted backlight value of a backlight zone corresponding to the zone image data block, based on the zone backlight value, a backlight value gain variable, and an ambient luminance revision variable; outputting the adjusted backlight value to a driver circuit of a backlight source in the backlight zone; and driving the backlight source according to the adjusted backlight value to control brightness of the backlight source in the backlight zone.Type: ApplicationFiled: December 4, 2018Publication date: April 11, 2019Inventors: Yuxin Zhang, Shunming Huang, Zhicheng Song
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Patent number: 10235946Abstract: An apparatus for controlling liquid crystal display brightness includes: a subarea image grayscale determining section configured to determine image grayscale values of subarea image data blocks corresponding to backlight subareas according to a received image signal; a subarea backlight value pre-obtaining section configured to pre-obtain subarea backlight values corresponding to the subarea image data blocks according to the image grayscale values of the subarea image data blocks; a subarea backlight value gain section configured to multiply the pre-obtained subarea backlight values with a preset backlight value gain coefficient to obtain gained backlight values of the backlight subareas, wherein the preset backlight value gain coefficient is more than 1; a subarea backlight value adjusting section configured to obtain a subarea backlight value adjustment coefficient, and to further multiply the gained subarea backlight values with the corresponding backlight value adjustment coefficient to obtain adjustedType: GrantFiled: June 17, 2016Date of Patent: March 19, 2019Assignees: Hisense Electric Co., Ltd., Hisense USA Corporation, Hisense International Co., Ltd.Inventors: Yuxin Zhang, Shunming Huang, Zhicheng Song
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Patent number: 10210822Abstract: Disclosed are a method and apparatus for controlling backlight brightness, and a liquid crystal display device, and the method for controlling backlight brightness includes: determining a backlight duty ratio of each backlight zone according to a backlight value of each backlight zone; determining a gain backlight current value of a backlight area according to an average backlight value of the backlight area, and a preset gain curve, wherein each backlight area corresponds to at least one backlight driving chip, and the at least one backlight driving chip controls in parallel more than one backlight zones in the backlight area corresponding to the at least one driving chip; generating a pulse modulation signal of each backlight zone according to the backlight duty ratio of corresponding backlight zone and the gain backlight current value; and adjusting a backlight current of the corresponding backlight zone according to the pulse modulation signal.Type: GrantFiled: November 17, 2017Date of Patent: February 19, 2019Assignee: Hisense Electric Co., Ltd.Inventors: Yuxin Zhang, Zhicheng Song, Shaowei Wu
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Patent number: 10181294Abstract: This disclosure provides a method and apparatus for controlling liquid crystal display brightness, and a liquid crystal display device, and relates to the field of liquid crystal display technologies, where the method includes: determining grayscale values of all pixels in a zone image data block under a predetermined rule according to a received image signal, and pre-obtaining a zone backlight value corresponding to the zone image data block according to the grayscale values; multiplying the pre-obtained zone backlight value with a backlight value gain coefficient to obtain a backlight value of a backlight zone corresponding to the zone image data block to which a gain is applied, wherein the backlight value gain coefficient is more than 1; and outputting the backlight value of the backlight zone to a driver circuit of backlight source in the backlight zone to control the brightness of the backlight source in the backlight zone as a result of driving, thus improving the effect of contrast quality of picturesType: GrantFiled: June 5, 2016Date of Patent: January 15, 2019Assignees: Hisense Electric Co., Ltd., Hisense USA Corporation, Hisense International Co., Ltd.Inventors: Yuxin Zhang, Shunming Huang, Zhicheng Song
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Patent number: 10170057Abstract: This disclosure provides a method, and a liquid crystal display device, and relates to the field of liquid crystal display technologies, where the method includes: determining grayscale values of pixels in zone image data block under a predetermined rule according to a received image signal, and pre-obtaining a zone backlight value corresponding to the zone image data block according to the grayscale values in the zone image data block; determining a backlight gain coefficient according to a backlight value gain variable and an ambient luminance revision variable, and multiplying the zone backlight value with the backlight gain coefficient to obtain backlight values of a backlight zone corresponding to the zone image data block to which a gain is applied, wherein the backlight value gain variable is determined by the grayscale values, and the ambient luminance revision variable is determined by ambient luminance; and outputting the backlight value of the backlight zone to a driver circuit of backlight sourceType: GrantFiled: June 5, 2016Date of Patent: January 1, 2019Assignees: Hisense Electric Co., Ltd., Hisense USA Corporation, Hisense International Co., Ltd.Inventors: Yuxin Zhang, Shunming Huang, Zhicheng Song
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Publication number: 20180337312Abstract: Some embodiments of the disclosure provide an LED light emitting device for a display device, and a display device, relate to the field of display technologies. The LED light emitting device includes a quantum dot film, a reflective filter layer, and at least one LED lamp, wherein the quantum dot film is arranged between the at least one LED lamp and the reflective filter layer; the at least one LED lamp is configured to emit light to excite a quantum dot material encapsulated in the quantum dot film to generate white backlight; and the reflective filter layer is configured to reflect light in a preset band and to transmit light outside the preset band, wherein the light in the preset band is light in a part of a band of the light emitted by the at least one LED lamp.Type: ApplicationFiled: July 27, 2018Publication date: November 22, 2018Applicants: HISENSE ELECTRIC CO., LTD., HISENSE USA CORPORATION, HISENSE INTERNATIONAL CO., LTDInventors: Fulin Li, Zhicheng Song, Kun Shao
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Patent number: 10127867Abstract: The disclosure provides an apparatus for controlling liquid crystal display brightness, the apparatus pre-obtaining a zone backlight value corresponding to a zone image data block according to grayscale values; if the zone backlight value is above a first threshold, multiplying the pre-obtained zone backlight value with a backlight value gain coefficient, which is more than 1, to a obtain backlight value to which a gain is applied, of a backlight zone corresponding to the zone image data block, outputting the backlight value to which the gain is applied, to a driver circuit of backlight source in the backlight zone to control brightness of the backlight source in the backlight zone as a result of driving; if the zone backlight value is below a second threshold, compensating for the grayscale values of the pixels in the zone image data block using compensation coefficients, each of which is more than 1.Type: GrantFiled: May 19, 2016Date of Patent: November 13, 2018Assignees: HISENSE ELECTRIC CO., LTD., HISENSE USA CORPORATION, HISENSE INTERNATIONAL CO., LTD.Inventors: Yuxin Zhang, Shunming Huang, Zhicheng Song
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Publication number: 20180284534Abstract: A quantum dot color filter, a liquid crystal panel and a liquid crystal display device, belonging to the field of liquid crystal display, are disclosed, where the quantum dot color filter comprising a quantum dot light conversion layer; a base panel arranged on a light incident side of the quantum dot conversion layer; and a protection layer arranged on a light emitting side of the quantum dot conversion layer, wherein a micro-lens array is arranged between the quantum dot conversion layer and the protection layer, the micro-lens array is configured to condense the light emitted from the quantum dot conversion layer. By utilizing the light convergence capability of the micro-lens array, the light emitted by the pixels in the quantum dot color filter is converged to a range of angle-of-view, thereby increasing the brightness within the range of angle-of-view, and improving the display effect of the liquid crystal display device.Type: ApplicationFiled: December 28, 2017Publication date: October 4, 2018Inventors: ZHICHENG SONG, ZHENGUO LIU, WEIDONG LIU, FULIN LI
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Patent number: 10089939Abstract: The disclosure provides an apparatus for controlling liquid crystal display brightness, the apparatus pre-obtaining a zone backlight value corresponding to a zone image data block according to grayscale values; if the zone backlight value is above a first threshold, multiplying the pre-obtained zone backlight value with a backlight value gain coefficient, which is more than 1, to a obtain backlight value to which a gain is applied, of a backlight zone corresponding to the zone image data block, outputting the backlight value to which the gain is applied, to a driver circuit of backlight source in the backlight zone to control brightness of the backlight source in the backlight zone as a result of driving; if the zone backlight value is below a second threshold, compensating for the grayscale values of the pixels in the zone image data block using compensation coefficients, each of which is more than 1.Type: GrantFiled: May 19, 2016Date of Patent: October 2, 2018Assignees: HISENSE ELECTRIC CO., LTD., HISENSE USA CORPORATION, HISENSE INTERNATIONAL CO., LTD.Inventors: Yuxin Zhang, Shunming Huang, Zhicheng Song
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Patent number: 10074318Abstract: An apparatus for controlling liquid crystal display brightness includes: a zone image grayscale determining section configured to determine grayscale values of pixels in a zone image data block under a predetermined rule according to a received image signal; a zone backlight value pre-obtaining section configured to pre-obtain a zone backlight value corresponding to the zone image data block according to the grayscale values; a zone backlight value gain section configured, when it is determined that the zone backlight value is above a first threshold, to multiply the zone backlight value with a backlight value gain coefficient to obtain a backlight value to which a gain is applied, corresponding to the zone image data block, and to output the backlight value to which the gain is applied, to a driver circuit of backlight source in a backlight zone corresponding to the zone image data block, to control brightness of the backlight source in the corresponding backlight zone as a result of driving, where the backlType: GrantFiled: June 3, 2016Date of Patent: September 11, 2018Assignees: HISENSE ELECTRIC CO., LTD., HISENSE USA CORPORATION, HISENSE INTERNATIONAL CO., LTD.Inventors: Yuxin Zhang, Shunming Huang, Zhicheng Song
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Patent number: 10069043Abstract: Some embodiments of the disclosure provide an LED light emitting device for a display device, and a display device, relate to the field of display technologies. The LED light emitting device includes a quantum dot film, a reflective filter layer, and at least one LED lamp, wherein the quantum dot film is arranged between the at least one LED lamp and the reflective filter layer; the at least one LED lamp is configured to emit light to excite a quantum dot material encapsulated in the quantum dot film to generate white backlight; and the reflective filter layer is configured to reflect light in a preset band and to transmit light outside the preset band, wherein the light in the preset band is light in a part of a band of the light emitted by the at least one LED lamp.Type: GrantFiled: June 26, 2015Date of Patent: September 4, 2018Assignees: Hisense Electric Co., Ltd., Hisense USA Corporation, Hisense International Co., Ltd.Inventors: Fulin Li, Zhicheng Song, Kun Shao