Patents Assigned to CHAMP TECH OPTICAL (FOSHAN) CORPORATION
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Patent number: 11943875Abstract: A circuit board with anti-corrosion properties, a method for manufacturing the circuit board, and an electronic device are provided. The circuit board includes a circuit substrate, a first protective layer, and a second protective layer. The circuit substrate includes a base layer and an outer wiring layer formed on the base layer. The circuit substrate further defines a via hole connected to the outer wiring layer. The first protective layer is formed on the outer wiring layer and an inner sidewall of the via hole, and is made of a white oil. The second protective layer is formed on the first protective layer.Type: GrantFiled: May 10, 2022Date of Patent: March 26, 2024Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventors: Li-Ping Wang, Yung-Ping Lin, Yong-Kang Zhang, Qiu-Ri Zhang, You-Zhi Lu
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Patent number: 11765857Abstract: A fan and an electronic device are provided. The fan includes a hub, an outer frame surrounding the hub, and a plurality of blades connected between the hub and the outer frame. The outer frame includes a first side facing an air inlet of the fan, a second side facing an air outlet of the fan, and an inner wall between the first side and the second side. Each of the plurality of blades includes a first end connected to the hub and a second end connected to the outer frame. The second end includes a first region and a second region, the second region is connected to the inner wall. The first region extends from the second region and is disposed above the first side. A first notch is defined among the first regions of two adjacent blades and the first side.Type: GrantFiled: May 25, 2022Date of Patent: September 19, 2023Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventor: Ling-Jun Zeng
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Patent number: 11725884Abstract: A heat pipe operating noiselessly by preventing, or reducing the effects of, the mixing of working fluid at different temperatures includes a hollow tube, a capillary structure, a working fluid, and a bushing. The porous capillary structure able to carry the fluid is disposed on an inner wall of the tube. The bushing is hollow, and the bushing is disposed on a surface of the capillary structure away from the tube. The heat pipe is divided into evaporation, adiabatic, and condensation sections, the capillary structure being at all sections. The working fluid is disposed in the capillary structure of the evaporation section, the bushing is disposed on a side of the capillary structure of the adiabatic section.Type: GrantFiled: April 21, 2021Date of Patent: August 15, 2023Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventor: Fu-Ping Xiao
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Patent number: 11713772Abstract: A fan frame with an improved heat dissipation performance includes a frame body, a plurality of stationary blades, and a central base. The frame body defines a flow channel, the central base is arranged within the flow channel and divides the flow channel into flowing zones. Each of the flowing zone includes a high-pressure zone and a low-pressure zone. The central base defines first slot, second slot and receiving groove between the first slot and the second slot, the first slot communicates the high-pressure zone and the receiving groove, the second slot communicates the low-pressure zone and the receiving groove.Type: GrantFiled: March 21, 2022Date of Patent: August 1, 2023Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventors: Zheng Luo, Xiao-Guang Ma, Yong-Kang Zhang, Yung-Ping Lin
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Patent number: 11674524Abstract: An oil bearing structure of a fan includes a shaft seat, a rotating shaft, and an oil bearing. The shaft seat includes a boss. A middle portion of the boss defines a slot. One end of the rotating shaft is inserted into the slot. Another end of the rotating shaft is a free end. The oil bearing is sleeved on an outer periphery of the rotating shaft. An axis of the rotating shaft and an axis of the oil bearing are perpendicular to the shaft seat. An effective length of the oil bearing and the rotating shaft is 50%-70% of a length of the fan.Type: GrantFiled: June 11, 2020Date of Patent: June 13, 2023Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventors: Yong-Kang Zhang, Yung-Ping Lin, Jian-Wei Yang
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Patent number: 11635088Abstract: A cooling fan creating a more stable airflow for heat-removing purposes, with reduced noise of operation, comprises a rotor hub and preferably an odd number of blades mounted on periphery of the rotor hub in unequal intervals. Adjacent blades are configured with different shapes, reducing the noise generated during operation without affecting the cooling effect.Type: GrantFiled: May 26, 2022Date of Patent: April 25, 2023Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventors: Xiao-Guang Ma, Zheng Luo, Yung-Ping Lin, Yong-Kang Zhang
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Patent number: 11566638Abstract: A three-bladed impeller providing a cooling airflow in air, with increased heat-dissipating efficiency and reduced noise includes a hub and three blades, the blades are arranged around the hub. Each blade is arched along its axial length from the front of fan to the back and also arched radially from the hub end of each blade to the outside tip. The back edge of each blade includes first and second slots, arranged alternately, the width of each first slot is ?1, the width of each of each second slot is ?2, the comparative sizes between ?2 and ?1 are in a ratio range of 1.6:1 to 1.8:1 (?2:?1).Type: GrantFiled: March 3, 2022Date of Patent: January 31, 2023Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventors: Zheng Luo, Xiao-Guang Ma, Yung-Ping Lin, Yong-Kang Zhang
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Publication number: 20220307519Abstract: A three-bladed impeller providing a cooling airflow in air, with increased heat-dissipating efficiency and reduced noise includes a hub and three blades, the blades are arranged around the hub. Each blade is arched along its axial length from the front of fan to the back and also arched radially from the hub end of each blade to the outside tip. The back edge of each blade includes first and second slots, arranged alternately, the width of each first slot is ?1, the width of each of each second slot is ?2, the comparative sizes between ?2 and ?1 are in a ratio range of 1.6:1 to 1.8:1 (?2:?1).Type: ApplicationFiled: March 3, 2022Publication date: September 29, 2022Applicant: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventors: ZHENG LUO, XIAO-GUANG MA, YUNG-PING LIN, YONG-KANG ZHANG
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Patent number: 11234301Abstract: A lighting device which is controllable in respect of color temperature as well as brightness has a control circuit electrically coupled to AC voltage source. The control circuit includes first and second control circuits, the first control circuit turns the light emitting device on and off and adjusts brightness of the light emitting device. The second control circuit determines whether the AC voltage source is on during a predetermined period, and if determined to be on, adjusts color temperature of the light emitting device.Type: GrantFiled: April 20, 2020Date of Patent: January 25, 2022Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventors: Chin-Che Hung, Chun-Chi Chen, Jian-Hong Hu, Wei Yuan, Ai-Hua Li
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Patent number: 11221023Abstract: A fan module includes a first fan frame and a second fan frame. A side surface of the first fan frame includes a number of latching posts and a number of positioning portions extending toward the second fan frame. A side surface of the second fan frame defines a number of latching grooves in one-to-one correspondence with the latching posts. The side surface of the second fan frame further defines a number of rotating grooves in one-to-one correspondence with the positioning portions. Engagement between the latching posts and the latching grooves restricts a tangential relative displacement between the first fan frame and the second fan frame. Engagement between the rotating grooves and the positioning portions restricts an axial displacement between the first fan frame and the second fan frame.Type: GrantFiled: April 10, 2020Date of Patent: January 11, 2022Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventors: Xiao-Guang Ma, Zheng Luo
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Patent number: 11094611Abstract: A heat dissipating device which is liquid cooled includes a base and at least one heat dissipation fin connected to the base. The base includes a first cavity. The at least one heat dissipation fin comprising a second cavity communicating with the first cavity, the second cavity and the first cavity together form an accommodation cavity for accommodating a working fluid which forcefully applies cooling upon being heated sufficiently to be vaporized.Type: GrantFiled: November 7, 2019Date of Patent: August 17, 2021Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventors: Zhen-Quan Zhong, Qiao-Long Chen, Meng Fu
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Patent number: 11065687Abstract: A method for manufacturing hollow and other metal products of irregular shape provides metal powder and binding agent, and the two are feed-mixed and heated to a plastic state. The feed-mix is injected in a mold cavity of a first injection mold to form a first blank, and injected in a mold cavity of a second injection mold to form a second blank. The first blank and the second blank are welded together to form a built-up blank which is degreased to remove the binding agent therein. The degreased built-up blank is sintered to obtain the metal product of irregular shape.Type: GrantFiled: January 2, 2018Date of Patent: July 20, 2021Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventors: Dung-Chang Yeh, Yi-Fan Lin, Jin-Hong Zhu
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Patent number: 10780499Abstract: A method for manufacturing a porous metal with enhanced ability to bond to a plastic subsequently powder feed for injection molding process provides a powder feed to an injection molding process, to form a green embryo. The green embryo is sent into a sintering furnace for high-temperature sintering to obtain a blank sintered product. A chemical reagent is applied to form pores on the sintered product. The powder feed includes first and second metal powders evenly mixed. The second metal powder has a mass percentage of about less than 10% of a total mass of the powder feed for injection molding process. The first metal powder is corrosion-resistant. The second metal powder is readily corrodible.Type: GrantFiled: February 27, 2019Date of Patent: September 22, 2020Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventors: Jin-Hong Zhu, Dung-Chang Yeh
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Patent number: 10660181Abstract: A controllable silicon light regulation apparatus without a driving power element receives an alternating current (AC) from an AC source comprising a first light emitting diode (LED) source module and a second LED source module. The controllable silicon light regulation apparatus stores specified color temperatures. A difference between adjacent specified color temperatures is 100K. Under a segment dimming mode, the controllable silicon light regulation apparatus sets a segment value and selects a number of the specified color temperatures based on the segment value. A color temperature of the controllable silicon light regulation apparatus is gradually regulated in a loop of target color temperatures based on a counted number of turn-on times in a specified time duration of the AC source.Type: GrantFiled: August 6, 2019Date of Patent: May 19, 2020Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventor: Chin-Che Hung
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Patent number: 10590953Abstract: An axial flow fan includes a fan frame and an impeller received in the fan frame. The fan frame includes a base shell and a flange being formed on the base shell. The base shell further includes an air inlet facing away from the flange. The flange includes a first air outlet. The flange further includes a second air outlet. Air flows through the second air outlet in a direction perpendicular to the air flowing through the first air outlet.Type: GrantFiled: June 22, 2017Date of Patent: March 17, 2020Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventors: Yong-Kang Zhang, Yung-Ping Lin
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Patent number: 10564435Abstract: A device emitting light from two sides includes a base, a first light emitting surface, and a second light emitting surface. The base comprises a first surface and a second surface, the first surface is depressed to form a receiving groove, the receiving groove comprising a light incidence surface. The first light emitting surface protrudes from the second surface. The second light emitting surface is arranged beside the receiving groove. The second light emitting surface is a micro-structural portion, the micro-structural portion recessed from the first surface towards the second surface and forming a plurality of micro-structures.Type: GrantFiled: March 13, 2018Date of Patent: February 18, 2020Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventor: Chin-Chung Chen
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Patent number: 10498194Abstract: A heat dissipating fan includes a base with a central tube, a stator arranged on the base and around the central tube, a rotor connected to and rotated surround the stator and a bearing unit received in the central tube of the base. The bearing unit includes a bearing and an oil seal, where the bearing and an oil seal are molded as one.Type: GrantFiled: April 12, 2017Date of Patent: December 3, 2019Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventors: Yong-Kang Zhang, Yung-Ping Lin
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Patent number: 10477731Abstract: A liquid-cooled radiator includes liquid-cooled boards, a condenser, a driver, a coolant conduit assembly, and a mounting bracket. The liquid-cooled boards and the condenser are mounted on the mounting bracket. The driver is coupled to the liquid-cooled boards and the condenser through the coolant conduit assembly. The coolant conduit assembly includes a main conduit, a diverting block, and a sub-conduit. The diverting block is mounted to the mounting bracket. The liquid-cooled boards are coupled to the diverting block in parallel through the sub-conduit. The condenser, the driver, and the diverting block are coupled together through the main conduit. The driver drives coolant from the condenser to flow through the diverting block and the sub-conduit to the liquid-cooled boards, flow through the sub-conduit and the diverting block to the main conduit, and then flow from the main conduit to the condenser to be condensed.Type: GrantFiled: March 1, 2019Date of Patent: November 12, 2019Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventors: Meng Fu, Qiao-Long Chen, Lin-Wei Liu
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Patent number: 10434571Abstract: A method for manufacturing a powder injection molding feedstock includes providing a plurality of powder particles and a secondary binder and applying primary kneading in an internal mixer. The primary mixture is cooled and crushed. A main binder is provided and put into the internal mixer to mix with the mixture that being crushed for secondary kneading to obtain the powder injection molding feedstock. Glass-transition temperature of the secondary binder is greater than glass-transition temperature of the main binder. The secondary binder coats the powder particles. The main binder coats the secondary binder and the powder particles.Type: GrantFiled: October 26, 2017Date of Patent: October 8, 2019Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventors: Dung-Chang Yeh, Lei Yan, Ru-Jie Huang
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Patent number: 10385876Abstract: A vibration-proofed fan frame includes a housing and a base surrounded by the housing. A hollow tube is arranged on the base and has the rotary connection with an impeller of the heat dissipation fan. The base includes a disc and a plurality of ribs extending outwards from periphery of the disc. The fan frame further includes a buffer member within the structural interconnections between the disc and the housing. The buffer member includes first elements. The first elements are embedded in the disc. A heat dissipation fan having the fan frame described is also presented.Type: GrantFiled: July 25, 2016Date of Patent: August 20, 2019Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventors: Hsien-Chou Lin, Xiao-Guang Ma, Yung-Ping Lin, Chien-Nan Cheng, Zheng Luo