Patents by Inventor Fei Hu
Fei Hu 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: 20210389653Abstract: A laser light source (300), a wavelength conversion light source, a light combining light source, and a projection system. The laser light source comprises a laser element array, a focusing optical element (33), a collimation optical element (34), an integrator rod (36) for receiving and homogenizing a secondary laser beam array (382), an angular distribution control element (35) disposed on the light path between the laser element array and the integrator rod (36) for enlarging the divergence angle of the laser beam array (382) in the direction of the short axis of the light distribution, such that the rate between the divergence angle of each of the secondary laser beam that enters the integrator rod (36) in the direction of the short axis of the light distribution and the divergence angle in the direction of the long axis is greater than or equal to 0.7.Type: ApplicationFiled: August 30, 2021Publication date: December 16, 2021Applicant: APPOTRONICS CORPORATION LIMITEDInventors: Fei HU, Haixiong HOU
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Publication number: 20210389657Abstract: A projection screen and a processing method therefor, wherein the projection screen comprises, in sequence from the incident side of projection light, a diffusion layer, a microlens array and a substrate. The inner side of the substrate is provided with a Fresnel microstructure, and part of the surface of the Fresnel microstructure is provided with a reflecting layer while the remaining part of the surface is a light absorbing layer. The microlens array is used for focusing the projection light on the reflecting layer. The reflecting layer is used for reflecting projection light back to the field of view of viewers. Ambient light is mostly absorbed by the light absorbing layer. The settings of the structure and dimension of the microlens array enable the projection light to be only incident onto the reflecting layer of the Fresnel microstructure and the ambient light to be mostly absorbed by the light absorbing layer.Type: ApplicationFiled: September 26, 2019Publication date: December 16, 2021Inventors: Lin WANG, Wei SUN, Jie WANG, Fei HU, Yi LI
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Patent number: 11202042Abstract: A display apparatus comprising a light source device, an image data processing module, a light modulation device, and an image synthesizing device. The light source device is configured to emit first light and second light. The image data processing module is configured to receive original image data of an image to be displayed, the original image data of the image to be displayed being image data based on a second color gamut range and comprising original control signal values of m colors of pixels, and the second color gamut range covers a first color gamut range and has a portion beyond the first color gamut range. The image data processing module further maps the original control signal values as m corrected control signal values and n control signal values.Type: GrantFiled: November 5, 2018Date of Patent: December 14, 2021Assignee: Appotronics Corporation LimitedInventors: Xin Yu, Fei Hu, Zu-Qiang Guo, Yi Li
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Publication number: 20210383766Abstract: A display device includes a control device configured to divide a display period of each frame of an image to be displayed into a first time period and a second time period; and send a light source control signal and a modulation signal corresponding to each pixel in the image to be displayed, according to original image data of each frame of the image to be displayed; a light source system configured to emit light source light according to the light source control signal, the light source light including first light and second light; and a light modulation device configured to modulate the first light according to the modulation signal to generate first image light of the image to be displayed, and modulate the second light according to the modulation signal to generate second image light of the image to be displayed.Type: ApplicationFiled: August 14, 2019Publication date: December 9, 2021Inventors: Xin Yu, Fei Hu, Yi Li
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Patent number: 11194243Abstract: Provided is a projection screen, comprising a substrate (10), a total reflection layer (20), and a light absorbing layer (30) for absorbing light rays, which are sequentially arranged from a light incident side, wherein the total reflection layer (20) is provided with a plurality of trapezoidal micro-structures extending in the vertical direction of the projection screen, and the plurality of trapezoidal micro-structures is periodically arranged in the horizontal direction of the projection screen. The projection screen has the characteristics of simple structure, easy processing, low cost and high contrast.Type: GrantFiled: January 5, 2019Date of Patent: December 7, 2021Assignee: Appotronics Corporation LimitedInventors: Lin Wang, Wei Sun, Fei Hu
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Patent number: 11175578Abstract: Provided is a light source system, including: a light emitting device configured to provide first and second light emitted in time sequence; and a light splitting system including: a light splitting device configured to split first light into first and second primary light and split second light into two paths of third primary light, in such a manner that first and second primary light exit respectively along first and second optical paths in a first time-sequence, first primary light exits along the second optical path and second primary light exits along the first optical path in a second time-sequence, and two paths of third primary light exit respectively along the first and second optical paths in a third time-sequence; and at least two light channels respectively disposed on the first and second optical paths. Each light channel is used for first to third primary light to exit in time sequence.Type: GrantFiled: November 3, 2017Date of Patent: November 16, 2021Assignee: APPOTRONICS CORPORATION LIMITEDInventors: Fei Hu, Haixiong Hou, Yi Li
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Patent number: 11177539Abstract: The present application relates to a current collector and a secondary battery. The current collector is used to electrically connect a pole and tab of a secondary battery, and comprises: a first sheet; a second sheet that is disposed to intersect the first sheet, the second sheet being used to electrically connect to the pole; a current collection unit, the current collection unit and the second sheet being disposed at two opposite sides of the first sheet in a first thickness direction thereof, and the first thickness direction thereof intersecting with a second thickness direction of the second sheet; the current collection unit comprises a first current collection sheet, the first current collection sheet is used to electrically connect to the tab, and the first current collection sheet is provided with a first connection terminal that is connected to the first sheet.Type: GrantFiled: June 24, 2021Date of Patent: November 16, 2021Assignee: Contemporary Amperex Technology Co., LimitedInventors: Yuanbao Chen, Dongyang Shi, Ning Chen, Haizu Jin, Zhenhua Li, Fei Hu
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Patent number: 11177542Abstract: The present disclosure relates to a secondary battery and a battery module. The secondary battery comprises a case, comprising a base plate and a side plate connected with the base plate, wherein the base plate and the side plate form a receiving hole and an opening in communication with the receiving hole, the opening is arranged opposite to the base plate in an axial direction of the receiving hole, and the base plate has a thickness larger than that of the side plate; a cap assembly, sealingly connected with the side plate to close the opening; and an electrode assembly, disposed in the receiving hole and comprising two or more electrode units, which are stacked in the axial direction, and each electrode unit is arranged with a wide side opposite to the base plate and a narrow side toward the side plate.Type: GrantFiled: May 28, 2019Date of Patent: November 16, 2021Assignee: Contemporary Amperex Technology Co., LimitedInventors: Fei Hu, Haizu Jin, Dongyang Shi, Zhenhua Li, Ning Chen, Yuanbao Chen
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Patent number: 11177528Abstract: The present disclosure provides a battery module and a battery pack. The battery pack comprises a box and a battery module, the battery module is accommodated in the box. The battery module comprises batteries sequentially arranged in a first direction. The battery comprises an electrode assembly, a case and a cap assembly, the electrode assembly is received in the case, and the cap assembly is connected with the case. The case comprises two first side walls, and the two first side walls are respectively positioned at two sides of the electrode assembly in the first direction. The first side walls of two adjacent batteries face each other. An area of the first side wall is defined as S1, a distance between the electrode assemblies of two adjacent batteries in the first direction is defined as D, S1 and D satisfying a relationship: 1.2×10?5 mm?1?D/S1?500×10?5 mm?1.Type: GrantFiled: November 21, 2019Date of Patent: November 16, 2021Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Haizu Jin, Fei Hu, Zhenhua Li, Dongyang Shi, Rui Yang, Yuqun Zeng, Yongshou Lin
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Publication number: 20210351331Abstract: Disclosed is an LED display screen, including an LED array including LED light emitting units and arranged on a substrate, a diffusion film arranged at a light-exiting side of the LED array, and a matrix light-shielding frame arranged between the LED array and the diffusion film. A hollow grid array including hollow grids is included. The hollow grids correspond one-to-one to the LED light emitting units and a projection of each hollow grid on the substrate surrounds a corresponding one of the plurality of LED light emitting units. Light emitted from the LED array can pass through a projection region of the matrix light-shielding frame on the diffusion film and exiting therefrom.Type: ApplicationFiled: August 14, 2019Publication date: November 11, 2021Applicant: APPOTRONICS CORPORATION LIMITEDInventors: Shijie LI, Fei HU, Yi LI
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Publication number: 20210341825Abstract: A system and method for dynamically adjusting a color gamut of a display system, and a display system are provided. The display system includes a light source system and an imaging system. The light source system includes an excitation light source and a narrow-spectrum primary-light source. The imaging system includes a spatial light modulation device and the system for dynamically adjusting the color gamut of the display system. The excitation light source emits excitation light which is processed to output at least one broad-spectrum primary light. The narrow-spectrum primary light source outputs at least one narrow-spectrum primary light. The narrow-spectrum primary light and the wide-spectrum primary light are combined and then output to the imaging system. The brightness of light emitted by the excitation light source and the narrow-spectrum primary light source is adjusted. Therefore, the efficiency is improved and the costs are reduced while enhancing the color gamut.Type: ApplicationFiled: March 1, 2019Publication date: November 4, 2021Applicant: APPOTRONICS CORPORATION LIMITEDInventors: Xin YU, Fei HU, Xianpeng ZHANG, Zuqiang GUO, Yi LI
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Publication number: 20210341827Abstract: A projection screen and a projection system using the projection screen. The projection screen includes a microstructure layer and a light absorbing layer sequentially stacked from the side where a projected light is introduced. The microstructure layer includes multiple microstructure units. Each microstructure unit includes one reflective surface and one lens surface opposite the reflective surface; moreover, the reflective surface is provided at a position matching the focus of the lens surface. The projection screen and the projection system can resist ambient light and have a high gain and a high contrast.Type: ApplicationFiled: August 14, 2019Publication date: November 4, 2021Applicant: APPOTRONICS CORPORATION LIMITEDInventors: Lin WANG, Wei SUN, Jie WANG, Fei HU, Yi LI
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Publication number: 20210333749Abstract: Disclosed is a process cartridge detachably mounted to an image forming device having a tray (13) and force applying components (60, 61).Type: ApplicationFiled: July 8, 2021Publication date: October 28, 2021Inventors: Liangliang HU, Shiping AO, Fei HU, Mei YAN, Junliang QIU, Shaohua CHEN, Shuangchun YUAN
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Publication number: 20210333698Abstract: Disclosed are a light source system and control method thereof, as well as a display device and control method thereof. The light source system comprises: an array light source, comprising M illuminants with independently adjustable brightness; an optical switch, arranged on an emergent optical path of the army light source, for guiding illumination light emitted by the M illuminants to N sub-regions of a preset light region; and a control device for controlling an optical switch to adjust at a preset frame rate the direction of the illumination light emitted by at least part of the M illuminants, and guiding the illumination light emitted by at least part of the illuminants to sub-regions different from the previous one or more image frames of the current image frame.Type: ApplicationFiled: March 1, 2019Publication date: October 28, 2021Inventors: Xin YU, Chao WU, Fei HU, Yi LI
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Publication number: 20210328304Abstract: The disclosure provides a battery pack, which includes a plurality of batteries and a box, the plurality of batteries accommodated in the box; each battery including an explosion-proof valve; the box including a lower box for supporting the batteries and an upper box matching the lower box, wherein the upper box includes an upper plate and a lower plate, the upper plate covers the lower plate to form an accommodating space for accommodating a fire extinguishing agent; the explosion-proof valve of each battery faces the lower plate of the upper box, and the lower plate is set to be able to discharge the fire extinguishing agent from the accommodating space after being melted. When the battery occurs a thermal runaway, the fire extinguishing agent in the lower plate flows rapidly to the runaway area, thus inhibiting the thermal runaway of the battery.Type: ApplicationFiled: June 28, 2021Publication date: October 21, 2021Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Kaijie YOU, Peng WANG, Haizu JIN, Dongyang SHI, Zhenhua LI, Ning CHEN, Fei HU
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Publication number: 20210328293Abstract: The present disclosure relates to a secondary battery and a battery module. The secondary battery includes a case including a receiving space with an opening; a cap assembly connected to the case and close the opening; an electrode assembly disposed in the receiving space and including two end faces opposite to each other in a first direction perpendicular to an axial direction of the receiving space, and tabs extending from the end faces and two or more electrode units stacked in the axial direction; and a current collecting unit, including a first piece extending in the axial direction and a first current collecting piece connected to the first piece, the tab extends in the first direction and is connected to the first current collecting piece, and a portion of the tab connected to the first current collecting piece and the first current collecting piece are stacked in the axial direction.Type: ApplicationFiled: June 29, 2021Publication date: October 21, 2021Applicant: Contemporary Amperex Technology Co., LimitedInventors: Ning Chen, Haizu Jin, Dongyang Shi, Zhenhua Li, Fei Hu, Yuanbao Chen
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Patent number: 11150547Abstract: A light source system includes an excitation light unit, a spectral filter unit, a scattering unit, and an excited-light unit. The excitation light unit is configured to emit excitation light. In an embodiment, the spectral filter unit reflects a portion of the excitation light to the scattering unit, the scattering unit scatters the same to generate a first light and a second light, and the spectral filter unit transmits the second light. The spectral filter unit also transmits another part of the excitation light to the excited-light unit, the excited-light unit emits excited light under the illumination thereof, and the spectral filter unit reflects the excited light, so that the spectral filter unit merges and emits the transmitted second light and the reflected excited light. The excitation light is thus split into two paths at the spectral filter unit, and finally emits light by combining excitation light and excited light.Type: GrantFiled: April 21, 2017Date of Patent: October 19, 2021Assignee: Appotronics Corporation LimitedInventors: Zuqiang Guo, Fei Hu, Yi Li
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Publication number: 20210320383Abstract: The present application relates to a current collector and a secondary battery. The current collector is used to electrically connect a pole and tab of a secondary battery, and comprises: a first sheet; a second sheet that is disposed to intersect the first sheet, the second sheet being used to electrically connect to the pole; a current collection unit, the current collection unit and the second sheet being disposed at two opposite sides of the first sheet in a first thickness direction thereof, and the first thickness direction thereof intersecting with a second thickness direction of the second sheet; the current collection unit comprises a first current collection sheet, the first current collection sheet is used to electrically connect to the tab, and the first current collection sheet is provided with a first connection terminal that is connected to the first sheet.Type: ApplicationFiled: June 24, 2021Publication date: October 14, 2021Applicant: Contemporary Amperex Technology Co., LimitedInventors: Yuanbao CHEN, Dongyang SHI, Ning CHEN, Haizu JIN, Zhenhua LI, Fei HU
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Publication number: 20210320337Abstract: The application provides a battery module, which includes a plurality of batteries, an upper cover, and a pressing strip. The pressing strip covers an explosion-proof valve of a battery, and includes a main body portion and a bottom plate portion. The bottom plate portion is connected to the main body portion and forms an accommodating cavity together with the main body portion. A fire extinguishing agent is sealed in the accommodating cavity. The bottom plate portion of the pressing strip is configured to be melted. The fire extinguishing agent is constantly stored in the accommodating cavity of the pressing strip, so as to avoid wasteful use of the fire extinguishing agent caused by the same flowing in all directions, so that the amount of the fire extinguishing agent can be maintained at a constant level at all times.Type: ApplicationFiled: June 24, 2021Publication date: October 14, 2021Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Xingdi CHEN, Kaijie YOU, Ziyuan LI, Yanhuo XIANG, Dongyang SHI, Fei HU
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Patent number: 11143947Abstract: A screen comprises the following layers sequentially stacked from an incident side of projected light rays: a micro-lens layer, a transparent matrix layer, a total internal reflection layer, and a light-absorbing layer. The light-absorbing layer absorbs light passing through the micro-lens layer, the transparent matrix layer and the total internal reflection layer. The micro-lens layer comprises a plurality of micro-lens units. The total internal reflection layer comprises a plurality of microstructure units. The microstructure unit has a lower first flat surface and an upper second flat surface. The first flat surface intersects the second flat surface The micro-lens units and the microstructure units are at least partially arranged in an alternating manner. The projected light rays converged toward the first flat surface exit after being totally reflected by the first flat surface and the second flat surface sequentially.Type: GrantFiled: December 3, 2018Date of Patent: October 12, 2021Assignee: Appotronics Corporation LimitedInventors: Lin Wang, Fei Hu, Wei Sun, Yi Li