Patents Assigned to MINDU INNOVATION LAB
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Patent number: 12268040Abstract: The invention relates to a ?LED light-emitting and display device with single-ended electrical contact and single-ended carrier injection, and a manufacturing method of the ?LED light-emitting and display device. The ?LED light-emitting and display device comprises more than one pixel unit, and each pixel unit sequentially comprises a lower pixel electrode, ?LED chips, an insulating layer, and an upper pixel electrode from bottom to top, wherein the ?LED chips directly contact with the lower pixel electrode, external carriers are injected into the ?LED chips through the lower pixel electrode, the insulating layer prevents the external carriers from being injected into the ?LED chips through the upper pixel electrode, and the ?LED chips are lit by an alternating electric field applied between the upper pixel electrode and the lower pixel electrode. The invention avoids the complicated bonding process, and is expected to improve the market competitiveness of the ?LED light-emitting and display device.Type: GrantFiled: August 31, 2020Date of Patent: April 1, 2025Assignees: FUZHOU UNIVERSITY, MINDU INNOVATION LABInventors: Tailiang Guo, .Ye Liu, Chaoxing Wu, Dianlun Li, Yongai Zhang, Xiongtu Zhou, Kun Wang
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Publication number: 20240297268Abstract: A light-emitting display device based on special-shaped nLED grains comprises an upper drive electrode substrate, an upper drive electrode, special-shaped nLED grains, a lower drive electrode and a lower drive electrode substrate that are sequentially arranged from top to bottom, and is further provided with an AC drive control module having two ends connected to the upper drive electrode and the lower electrode respectively. The special-shaped nLED grains are nLED grains each comprising a non-planar luminous layer. The drive electrode is isolated from the nLED grains by insulating dielectric layer. In presence of the AC drive signal, the nLED grains are lighted up through electromagnetic coupling.Type: ApplicationFiled: August 31, 2020Publication date: September 5, 2024Applicants: FUZHOU UNIVERSITY, MINDU INNOVATION LABInventors: Tailiangi GUO, Yalian SWENG, Xiongtu ZHOU, Yongai ZHANG, Chaoxing WU, Zhixian LIN, Qun YAN
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Publication number: 20240297154Abstract: The present invention relates to a full-color ?LED display device without electrical contact and mass transfer. The full-color ?LED display device without electrical contact and mass transfer comprises a lower driving electrode disposed on a surface of a lower transparent substrate, optical micro-structures disposed on an upper surface and a lower surface of an upper transparent substrate, an upper driving electrode, a barrier micro-structure connecting the upper transparent substrate and the lower transparent substrate, a ?LED crystal grain disposed in the barrier micro-structure, wavelength down-conversion light emitting layers, an insulating layer and a control module, wherein a unit R for displaying red light, a unit G for displaying green light and a unit B for displaying blue light are successively formed on the barrier micro-structure along a direction of the upper driving electrode.Type: ApplicationFiled: August 31, 2020Publication date: September 5, 2024Applicants: FUZHOU UNIVERSITY, MINDU INNOVATION LABInventors: Tailiang GUO, Penghui LIU, Yongai ZHANG, Xiongtu ZHOU, Chaoxing WU, Zhixian LIN, Lei SUN, Qun YAN
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Publication number: 20240297281Abstract: The invention relates to a ?LED light-emitting and display device with single-ended electrical contact and single-ended carrier injection, and a manufacturing method of the ?LED light-emitting and display device. The ?LED light-emitting and display device comprises more than one pixel unit, and each pixel unit sequentially comprises a lower pixel electrode, ?LED chips, an insulating layer, and an upper pixel electrode from bottom to top, wherein the ?LED chips directly contact with the lower pixel electrode, external carriers are injected into the ?LED chips through the lower pixel electrode, the insulating layer prevents the external carriers from being injected into the ?LED chips through the upper pixel electrode, and the ?LED chips are lit by an alternating electric field applied between the upper pixel electrode and the lower pixel electrode. The invention avoids the complicated bonding process, and is expected to improve the market competitiveness of the ?LED light-emitting and display device.Type: ApplicationFiled: August 31, 2020Publication date: September 5, 2024Applicants: FUZHOU UNIVERSITY, MINDU INNOVATION LABInventors: Tailiang GUO, .Ye LIU, Chaoxing WU, Dianlun LI, Yongai ZHANG, Xiongtu ZHOU, Kun WANG
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Publication number: 20240297282Abstract: The present invention relates to a ?LED display design method based on nanowire. The method comprises: first, growing different nanowire materials capable of generating three primary colors: red, green and blue on a substrate; then, respectively dissolving the different nanowire materials in insulated photocuring adhesives and injecting the mixtures into different grids of a grid pool, and performing curing; and finally, arranging electrodes on upper and lower surfaces of the grid pool. The method provided by the present invention can simplify the structure and enhance the industrial efficiency of the ?LED.Type: ApplicationFiled: October 31, 2020Publication date: September 5, 2024Applicants: FUZHOU UNIVERSITY, MINDU INNOVATION LABInventors: Tailiang GUO, Zongzhao JIANG, Yun YE, Qun YAN, Hongxing XIE, Jianmin YAO
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Publication number: 20240297272Abstract: A non-direct electrical contact orientation ordered nLED light-emitting display device comprises an upper drive electrode substrate, an upper drive electrode, an nLED grain sheet, a lower drive electrode and a lower drive electrode substrate that are sequentially arranged from top to bottom, and is further provided with an AC drive control module having two ends connected to the upper drive electrode and the lower drive electrode respectively. The nLED grain sheet is formed by a plurality of nLED grains that are arranged in order, so when the nLED grain sheet is disposed between the electrode substrates, a light-emitting layer of each nLED grain is parallel to the electrode substrates and perpendicular to the electric field. At least one of the upper drive electrode and the lower drive electrode is isolated from the nLED grains by an insulating dielectric layer. In presence of the AC drive signal, the nLED grains are lighted up through electromagnetic coupling.Type: ApplicationFiled: August 31, 2020Publication date: September 5, 2024Applicants: FUZHOU UNIVERSITY, MINDU INNOVATION LABInventors: Xiongtu ZHOU, Guixiong CHEN, Tailiangi GUO, Yongai ZHANG, Chaoxing WU, Zhixian LIN, Qun YAN
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Publication number: 20240097078Abstract: The present invention relates to a ?LED light-emitting and display device without electrical contact, external carrier injection and mass transfer and a preparation method thereof. The ?LED light-emitting and display device includes one or more light-emitting pixels, and each light-emitting pixel includes a pixel lower electrode, a lower insulation layer, a ?LED chip, an upper insulation layer and a pixel upper electrode from bottom to top, wherein the upper insulation layer and the lower insulation layer prevent the ?LED chip from being in direct electrical contact with the pixel lower electrode and the pixel upper electrode, and the ?LED chip is lit by an alternating electric field through electromagnetic coupling.Type: ApplicationFiled: August 31, 2020Publication date: March 21, 2024Applicants: FUZHOU UNIVERSITY, MINDU INNOVATION LABInventors: Tailiang GUO, Kun WANG, Chaoxing WU, Dianlun LI, Yongai ZHANG, Xiongtu ZHOU, Ye LIU
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Publication number: 20230352642Abstract: The present invention relates to a full-color µLED micro-display device without electrical contact and a manufacturing method therefor.Type: ApplicationFiled: August 31, 2020Publication date: November 2, 2023Applicants: FUZHOU UNIVERSITY, MINDU INNOVATION LABInventors: Yongai ZHANG, Shiyao CHEN, Tailiangi GUO, Xiongtu ZHOU, Chaoxing WU, Zhixian LIN, Lei SUN, Qun YAN
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Publication number: 20230197882Abstract: The present invention relates to a ?LED light emitting device without electrical contact based on a wavelength down-conversion. The ?LED light emitting device without electrical contact comprises ?LED crystal grains, wavelength down-conversion light emitting lavers, ate upper driving electrode and a lower driving electrode, insulators, an optical micro-structure and a control module. The upper driving electrode and the lower driving electrode are free from direct electrical contact with each of the ?LED crystal grains, the control module is electrically connected with the upper driving electrode and the lower driving electrode respectively to provide alternating driving signals to the upper driving electrode and the lower driving electrode so as to form a driving electric field, and the driving electric field controls an electron-hole recombination of the ?LED crystal grain and emits a first light source which is converted into a second light source via the wavelength down-conversion light emitting layer.Type: ApplicationFiled: August 31, 2020Publication date: June 22, 2023Applicants: FUZHOU UNIVERSITY, MINDU INNOVATION LABInventors: Yongai ZHANG, Xuyang WENG, Tailiang GUO, Xiongtu ZHOU, Chaoxing WU, Zhixian LIN, Lei SUN, Qun YAN