Patents by Inventor Zhonghai Yan
Zhonghai Yan 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: 11927848Abstract: Provided are a light source module and a backlight display module. The light source module includes a flexible printed circuit board and a plurality of side-emitting LEDs. The flexible printed circuit board extends along a central axis. The plurality of side-emitting LEDs are sequentially arranged along the central axis and bonded to the flexible printed circuit board, and a light-emitting surface of one side-emitting LED of the plurality of side-emitting LEDs is perpendicular to a bonding surface of the flexible printed circuit board.Type: GrantFiled: September 8, 2022Date of Patent: March 12, 2024Assignee: FOSHAN NATIONSTAR OPTOELECTRONICS CO., LTD.Inventors: Weineng Chen, Danlei Gong, Hua Fan, Zhonghai Yan, Zihao Chen, Xiang Chen, Yushan Lin, Ke Yang, Fabo Liu
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Patent number: 11875756Abstract: Provided are a backlight board and a driving method thereof, a backlight module and a driving method thereof, and a display device. The backlight board includes light-emitting devices arranged in rows and columns and a first connector, where each first pin of the first connector is electrically connected to first electrodes of light-emitting devices in one row, each second pin of the first connector is electrically connected to second electrodes of light-emitting devices in one column; and in one drive cycle, a first drive signal drives light-emitting devices in each row for a duration T/n at different times, and a second drive signal drives light-emitting devices in each column for a duration T/n at different times.Type: GrantFiled: April 18, 2023Date of Patent: January 16, 2024Assignee: Foshan Nationstar Optoelectronics Co., Ltd.Inventors: Weineng Chen, Xiang Chen, Dequan Zheng, Zhonghai Yan, Fabo Liu, Danlei Gong, Hua Fan
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Publication number: 20230351974Abstract: Provided are a backlight board and a driving method thereof, a backlight module and a driving method thereof, and a display device. The backlight board includes light-emitting devices arranged in rows and columns and a first connector, where each first pin of the first connector is electrically connected to first electrodes of light-emitting devices in one row, each second pin of the first connector is electrically connected to second electrodes of light-emitting devices in one column; and in one drive cycle, a first drive signal drives light-emitting devices in each row for a duration T/n at different times, and a second drive signal drives light-emitting devices in each column for a duration T/n at different times.Type: ApplicationFiled: April 18, 2023Publication date: November 2, 2023Applicant: FOSHAN NATIONSTAR OPTOELECTRONICS CO., LTD.Inventors: Weineng CHEN, Xiang CHEN, Dequan ZHENG, Zhonghai YAN, Fabo LIU, Danlei GONG, Hua FAN
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Patent number: 11757069Abstract: The disclosure provides an LED white light device, including a blue light chip and phosphors. The blue light chip has a band of (455-470) nm. The phosphors include a dual-band yellow phosphor and a red phosphor having an excited light peak wavelength range of (610-660) nm. The yellow phosphor and the red phosphor are mixed according to a proportion of 1:(0.03-0.2) and cover the blue light chip, such that blue light emitted by the packaged LED white light device has a peak wavelength range of (450-465) nm. The disclosure also provides a preparation method of an LED white light device and an LED backlight module adopting the above LED white light device. The disclosure achieves the effects of blue light prevention, high color gamut and pure white simultaneously, Color uniformity and consistency are good, and a blue-green-red three-color continuous spectrum is provided, which is closer to a solar spectrum.Type: GrantFiled: October 23, 2018Date of Patent: September 12, 2023Assignee: FOSHAN NATIONSTAR OPTOELECTRONICS CO., LTDInventors: Haijun Wang, Yangcheng Huang, Xiang Chen, Fabo Liu, Zhonghai Yan, Danlei Gong, Junhua Chen, Yushan Lin, Jian Gan, Haixing Tan
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Publication number: 20230217586Abstract: Provided are a light board, a method for manufacturing the same, a light-emitting diode (LED) backlight module and an LED backlight device. The light board includes a substrate and a LED device. The substrate includes a first surface and a second surface disposed opposite to each other. The first surface and the second surface are each provided with a wiring area and a non-wiring area. A first heat sink assembly and multiple first reinforcement ribs are disposed in the non-wiring area of the first surface. The multiple first reinforcement ribs intersect to form a first encircled area. The first heat sink assembly is disposed in the first encircled area. The LED device is disposed in the wiring area of the second surface.Type: ApplicationFiled: December 30, 2022Publication date: July 6, 2023Applicant: FOSHAN NATIONSTAR OPTOELECTRONICS CO., LTD.Inventors: Xinghan HE, Danlei GONG, Zhonghai YAN, Hua FAN, Fabo LIU, Youwei ZHAN, Weineng CHEN, Taotao SONG
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Publication number: 20230095880Abstract: Provided are a light source module and a backlight display module. The light source module includes a flexible printed circuit board and a plurality of side-emitting LEDs. The flexible printed circuit board extends along a central axis. The plurality of side-emitting LEDs are sequentially arranged along the central axis and bonded to the flexible printed circuit board, and a light-emitting surface of one side-emitting LED of the plurality of side-emitting LEDs is perpendicular to a bonding surface of the flexible printed circuit board.Type: ApplicationFiled: September 8, 2022Publication date: March 30, 2023Applicant: FOSHAN NATIONSTAR OPTOELECTRONICS CO., LTD.Inventors: Weineng Chen, Danlei Gong, Hua Fan, Zhonghai Yan, Zihao Chen, Xiang Chen, Yushan Lin, Ke Yang, Fabo Liu
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Publication number: 20210167256Abstract: The disclosure provides an LED white light device, including a blue light chip and phosphors. The blue light chip has a band of (455-470) nm. The phosphors include a dual-band yellow phosphor and a red phosphor having an excited light peak wavelength range of (610-660) nm. The yellow phosphor and the red phosphor are mixed according to a proportion of 1:(0.03-0.2) and cover the blue light chip, such that blue light emitted by the packaged LED white light device has a peak wavelength range of (450-465) nm. The disclosure also provides a preparation method of an LED white light device and an LED backlight module adopting the above LED white light device. The disclosure achieves the effects of blue light prevention, high color gamut and pure white simultaneously, the color uniformity and consistency are good, and a blue-green-red three-color continuous spectrum is provided, which is closer to a solar spectrum.Type: ApplicationFiled: October 23, 2018Publication date: June 3, 2021Inventors: Haijun WANG, Yangcheng HUANG, Xiang CHEN, Fabo LIU, Zhonghai YAN, Danlei GONG, Junhua CHEN, Yushan LIN, Jian GAN, Haixing TAN
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Patent number: 11016340Abstract: The disclosure provides a LED device, a backlight module and a display device. The LED device includes: a bracket structure and a chip, the bracket structure having a cup cavity and the chip being mounted in the cup cavity; a packaging structure, the packaging structure being provided on the bracket structure in a covering manner to seal the cup cavity and an upper surface, far away from the cup cavity, of the packaging structure forming an emergent surface; and a reflective shielding layer, the reflective shielding layer being provided on the packaging structure and the reflective shielding layer being at a central position of the emergent surface and covering part of the emergent surface. According to the disclosure, the problem in the related art that it is impossible to consider both a good color saturation and brightness contrast of a display of a display device is solved.Type: GrantFiled: June 23, 2020Date of Patent: May 25, 2021Assignee: FOSHAN NATIONSTAR OPTOELECTRONICS CO., LTDInventors: Junhua Chen, Fabo Liu, Danlei Gong, Zhonghai Yan, Xiang Chen, Yao Weng
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Publication number: 20200409215Abstract: The disclosure provides a LED device, a backlight module and a display device. The LED device includes: a bracket structure and a chip, the bracket structure having a cup cavity and the chip being mounted in the cup cavity; a packaging structure, the packaging structure being provided on the bracket structure in a covering manner to seal the cup cavity and an upper surface, far away from the cup cavity, of the packaging structure forming an emergent surface; and a reflective shielding layer, the reflective shielding layer being provided on the packaging structure and the reflective shielding layer being at a central position of the emergent surface and covering part of the emergent surface. According to the disclosure, the problem in the related art that it is impossible to consider both a good color saturation and brightness contrast of a display of a display device is solved.Type: ApplicationFiled: June 23, 2020Publication date: December 31, 2020Inventors: Junhua CHEN, Fabo LIU, Danlei GONG, Zhonghai YAN, Xiang CHEN, Yao WENG
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Publication number: 20200357780Abstract: Some embodiments of the present disclosure provide a backlight module and a display device with the backlight module. The backlight module includes a plurality of Light-Emitting Diode (LED) luminous units arranged at intervals. Part of the plurality of LED luminous units are a plurality of first luminous units A with a first luminous peak wavelength, and the other part of the plurality of LED luminous units are plurality of second luminous units C with a second luminous peak wavelength, wherein the first luminous peak wavelength being less than a preset wavelength and the second luminous peak wavelength being greater than the preset wavelength. The plurality of first luminous units A and the plurality of second luminous units C are alternately arranged in sequence on the substrate, and in any two adjacent LED luminous units, one is a first luminous unit A and the other is a second luminous unit C.Type: ApplicationFiled: May 9, 2020Publication date: November 12, 2020Inventors: Junhua CHEN, Fabo LIU, Danlei GONG, Zhonghai YAN, Yihua TAN
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Publication number: 20200355963Abstract: An embodiment of the present disclosure provides a backlight module and a display device with the backlight module. The backlight module includes a substrate and an LED luminous unit. There are a plurality of LED luminous units, the plurality of LED luminous units are arranged at intervals on the substrate in a length direction and width direction of the substrate, and a center distance A between two adjacent LED luminous units in the plurality of LED luminous units is more than or equal to 4 mm and less than or equal to 20 mm. The substrate includes a plurality of control regions, at least one LED luminous unit in the plurality of LED luminous units is arranged in each of the plurality of control regions, and the LED luminous unit in the each control region is independently controlled to regulate brightness or color of the each control region.Type: ApplicationFiled: May 9, 2020Publication date: November 12, 2020Inventors: Fabo LIU, Danlei GONG, Zhonghai YAN, Junhua CHEN, Yihua TAN
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Patent number: 10818645Abstract: Some embodiments of the present disclosure provide a backlight module and a display device with the backlight module. The backlight module includes a plurality of Light-Emitting Diode (LED) luminous units arranged at intervals. Part of the plurality of LED luminous units are a plurality of first luminous units A with a first luminous peak wavelength, and the other part of the plurality of LED luminous units are plurality of second luminous units C with a second luminous peak wavelength, wherein the first luminous peak wavelength being less than a preset wavelength and the second luminous peak wavelength being greater than the preset wavelength. The plurality of first luminous units A and the plurality of second luminous units C are alternately arranged in sequence on the substrate, and in any two adjacent LED luminous units, one is a first luminous unit A and the other is a second luminous unit C.Type: GrantFiled: May 9, 2020Date of Patent: October 27, 2020Assignee: FOSHAN NATIONSTAR OPTOELECTRONICS CO., LTDInventors: Junhua Chen, Fabo Liu, Danlei Gong, Zhonghai Yan, Yihua Tan