Patents Assigned to LITE-ON ELECTRONICS (GUANGZHOU) LIMITED
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Patent number: 12136527Abstract: A light-emitting keyboard includes a bracket, keycaps, a circuit layer and a composite light-emitting layer. The keycaps are disposed on the bracket and connected to the bracket. The circuit layer is disposed between the keycaps and the bracket. The composite light-emitting layer is disposed under the bracket, and includes a substrate, a conductive layer and light sources. The substrate includes a connection portion and extension portions respectively connected to the connection portion. A gap is positioned between any two adjacent extension portions, and a width of the gap is greater than or substantially equal to a width of any of the two adjacent extension portions. The conductive layer is disposed on the substrate. The light sources are disposed on the extension portions.Type: GrantFiled: October 16, 2023Date of Patent: November 5, 2024Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventor: Yi-Wen Chen
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Patent number: 12052841Abstract: A server includes a first server unit, a second server unit, a hinge and a connecting element. The second server unit is disposed on the first server unit and is electrically connected to the first server unit. The second server unit is pivoted to the first server unit through the hinge. The connecting element is disposed between the first server unit and the second server unit. The connecting element has a first connection end and a second connection end, wherein the first connection end is connected to the first server unit, and the second connection end is connected to the second server unit. A server system including a rack and at least one server is also provided.Type: GrantFiled: October 27, 2020Date of Patent: July 30, 2024Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventors: Wei-Ming Shieh, Yi-Feng Pu, Chien-Wen Yeh, Hung-Hsing Chiu, Pei-Hsuan Huang
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Patent number: 12046426Abstract: A key module includes a base plate, a circuit layer and a lifting mechanism. The circuit layer is disposed on the base plate. The lifting mechanism is pivotally connected with the base plate relative to the circuit layer, and the lifting mechanism has an abutment element. The abutment element could interfere with the circuit layer to reduce the noise generated by the key module during operation.Type: GrantFiled: July 12, 2022Date of Patent: July 23, 2024Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, LITE-ON TECHNOLOGY CORPORATIONInventors: Chun-Lin Chen, Jui-Yu Wu, Po-Hsiang Yu
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Publication number: 20240126004Abstract: An input apparatus includes a light guide plate, a first light source, a second light source, a layer, a first group of keycaps and a second group of keycaps. The light guide plate has a first axis and a second axis perpendicular to the first axis, the light guide plate includes a first light guide region and a second light guide region connected with each other by a first junction. The first light source corresponds to the first light guide region. The second light source corresponds to the second light guide region, and the first light source and the second light source are disposed along the first axis. The layer is disposed on a side of the light guide plate, the layer is provided with an extension part extending into a portion between the first light guide region and the second light guide region.Type: ApplicationFiled: December 28, 2023Publication date: April 18, 2024Applicants: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventor: Yi-Wen Chen
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Patent number: 11916427Abstract: The present invention discloses a battery module and a power arrangement method. The battery module includes a battery unit, an energy storage element, a switch, a functional circuit and a control unit. The energy storage element is coupled to the battery unit. The switch is coupled to the energy storage element. The functional circuit is respectively coupled to the battery unit and the energy storage element. The control unit is respectively coupled to the functional circuit and the switch, configured to control the functional circuit to cause the energy storage element to be coupled to the battery unit so that the battery unit charges the energy storage unit, or configured to control the functional circuit to cause the energy storage element to be decoupled with the battery unit so that a discharge path is formed.Type: GrantFiled: July 26, 2021Date of Patent: February 27, 2024Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, LITE-ON TECHNOLOGY CORPORATIONInventors: Yung-Ping Tong, Yu-Kang Lo
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Patent number: 11901137Abstract: A key module includes a keycap, an indicator light source, a first backlight source and a second backlight source. The keycap includes an indication area and a character area. The indicator light source is configured to emit an indicating light of a first color toward the indication area. The first backlight source is configured to emit a first backlight of the first color toward the character area. The second backlight source is configured to emit a second backlight of a second color toward the character area, wherein the second color is different from the first color. As a result, the key module could display the light of different colors based on different operations, thereby being distinguishable from the color of the light emitted by the adjacent key module.Type: GrantFiled: March 5, 2021Date of Patent: February 13, 2024Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, LITE-ON TECHNOLOGY CORPORATIONInventor: Yi-Wen Chen
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Patent number: 11894766Abstract: Disclosed is a three-phase interleaved resonant converter, which includes a three-phase inversion circuit connected to an input voltage and including a first output node, a second output node, and a third output node, a three-phase transformer including three transformers, a three-phase resonant circuit including three resonant capacitors and three resonant inductors, and a three-phase rectifier filter circuit. One ends of the three resonant inductors are respectively connected to the first output node, the second output node and the third output node, and the other ends of the three resonant inductors are respectively connected to a triangular configuration formed by an alternate connection of the three resonant capacitors with primary windings of the three transformers.Type: GrantFiled: November 17, 2021Date of Patent: February 6, 2024Assignee: Lite-On Electronics (Guangzhou) LimitedInventors: Yan Li, Lu Sun, PeiXian Lv, XiaoQiang Li
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Patent number: 11892028Abstract: A fastening assembly includes: a first sleeve, a second sleeve, a positioning element, a driven element and an elastic element. The first sleeve includes a plug tube having a passage communicating with the first sleeve. The second sleeve is integrated into the first sleeve. The driven element includes an inserting rod movably inserted in the passage along a first direction and a guiding portion having a first inclined guiding surface forming a first acute angle with the first direction. The positioning element includes a guide rod movably inserted in the second sleeve along the second direction and a slide block connected to the guide rod and in sliding contact with the first inclined guiding surface. One end of the elastic element leans against the driven element, and the other end of the elastic element leans against the first sleeve.Type: GrantFiled: September 9, 2021Date of Patent: February 6, 2024Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, LITE-ON TECHNOLOGY CORPORATIONInventors: Ching-Chih Chang, Pei-Hsuan Huang
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Publication number: 20240038459Abstract: A light-emitting keyboard includes a bracket, keycaps, a circuit layer and a composite light-emitting layer. The keycaps are disposed on the bracket and connected to the bracket. The circuit layer is disposed between the keycaps and the bracket. The composite light-emitting layer is disposed under the bracket, and includes a substrate, a conductive layer and light sources. The substrate includes a connection portion and extension portions respectively connected to the connection portion. A gap is positioned between any two adjacent extension portions, and a width of the gap is greater than or substantially equal to a width of any of the two adjacent extension portions. The conductive layer is disposed on the substrate. The light sources are disposed on the extension portions.Type: ApplicationFiled: October 16, 2023Publication date: February 1, 2024Applicants: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventor: Yi-Wen Chen
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Patent number: 11887791Abstract: A key module includes a bottom plate, a circuit layer, a key cap, a supporting structure, a touch member, and a flexible circuit board. The bottom plate has a first surface and a second surface opposite to each other. The circuit layer is disposed on the first surface and has a first opening. The key cap is disposed above the circuit layer and covers the first opening. The supporting structure is disposed between the bottom plate and the key cap. The touch member is disposed at the key cap. The flexible circuit board is electrically connected to the touch member and passes through the first opening to extend next to the second surface of the bottom plate. When the key cap moves downward relative to the bottom plate, a portion of the flexible circuit board located between the key cap and the bottom plate is bent.Type: GrantFiled: June 16, 2020Date of Patent: January 30, 2024Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventors: Jian-Jhih Chen, Ming-Fu Yen, Wei-Pin Chuang
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Publication number: 20240006134Abstract: A backlight module including a circuit layer, a light guide plate, a light-emitting component, an electronic component, a reflective layer, and an identifier is provided. The light guide plate includes an escape opening and a light-source opening. The light-emitting component is connected to the circuit layer. The electronic component is connected to the circuit layer. The reflective layer is disposed between the light guide plate and the circuit layer. The identifier is disposed on the reflective layer. A keyboard using this backlight module is also provided.Type: ApplicationFiled: September 12, 2023Publication date: January 4, 2024Applicants: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventors: Shih-Wen Chiu, Yi-Wen Chen
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Patent number: 11860401Abstract: An input apparatus includes a reflection layer, a light guide plate, a first light source, a second light source and a light absorption member. The light guide plate is disposed on the reflection layer and includes a first light guide region and a second light guide region connected with each other by a junction, a first area of the first light guide region is different from a second area of the second light guide region. The first light source corresponds to the first light guide region. The second light source corresponds to the second light guide region, the light guide plate has a first opening structure disposed between the first light source and the second light source. The light absorption member is disposed at a position corresponding to the first opening structure.Type: GrantFiled: July 25, 2022Date of Patent: January 2, 2024Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventor: Yi-Wen Chen
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Patent number: 11830683Abstract: A key structure is provided. The key structure includes a base plate, a keycap, a positioning element and a rod. The base plate has a through hole. The positioning element is engaged with the through hole. A projection area of the positioning element on the base plate along a lifting direction of the keycap is larger than an area of the through hole.Type: GrantFiled: December 31, 2020Date of Patent: November 28, 2023Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, LITE-ON TECHNOLOGY CORPORATIONInventors: Cheng-Kun Liao, En-Huei Wang, Ming-Fu Yen
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Patent number: 11815708Abstract: A backlit keyboard includes key switches and a backlight module. The backlight module includes a light guide plate, a reflecting surface, and at least one light-emitting device. The light guide plate is provided with light-guiding dots disposed on a bottom surface thereof. A light-shielding layer disposed on the light guide plate has a light-shielding portion and a light-transmitting portion corresponding to at least one of the key switches. The reflecting surface faces the bottom surface of the light guide plate, and a pattern at least partially overlaps the light-shielding portion. A first light-emitting device and a second light-emitting device are disposed in an opening of the light guide plate, and the first light-emitting device and the second light-emitting device face respective sidewalls of the opening. The first light-emitting device is located underneath the light-shielding portion.Type: GrantFiled: December 26, 2022Date of Patent: November 14, 2023Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, LITE-ON TECHNOLOGY CORPORATIONInventor: Hsin-Chih Liang
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Patent number: 11815118Abstract: The fixing device includes a limiting structure and a movement portion. The limiting structure is extended along a first direction and has an accommodation space and at least one pair of hooks disposed at a terminal end of the limiting structure. The extending directions of the at least one pair of hooks are opposite to each other and parallel to a second direction. The movement portion moves relative to the limiting structure. When a bottom of the movement portion is disposed above the at least one pair of hooks, the at least one pair of hooks has a first distance therebetween in the second direction. When the bottom of the movement portion overlaps the at least one pair of hooks in the second direction, the at least one pair of hooks has a second distance greater than the first distance therebetween in the second direction.Type: GrantFiled: December 8, 2020Date of Patent: November 14, 2023Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, LITE-ON TECHNOLOGY CORPORATIONInventors: Ching-Chih Chang, Pei-Hsuan Huang
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Publication number: 20230360844Abstract: Disclosed is a magnetic integrated device including a first magnetic core plate and N magnetic elements, one of which is connected to the first magnetic core plate. Excitation currents of the N magnetic elements have phases different from each other by 360/N degrees, and excitation directions of adjacent magnetic elements are opposite, wherein N is an integer greater than or equal to 2. Each magnetic element includes a first magnetic core including a first magnetic core body, a first magnetic column and two first side columns fixed on the same side of the first magnetic core body, and a combined winding including a secondary winding and a primary winding which are wound around the first magnetic column, wherein a extension direction of the first magnetic column is towards the first magnetic core plate. Therefore, the cost, power consumption and space volume are reduced, and the power density is improved.Type: ApplicationFiled: July 22, 2022Publication date: November 9, 2023Applicant: Lite-On Electronics (Guangzhou) LimitedInventors: Yan LI, RenJun DONG, JingYang HOU
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Patent number: 11804343Abstract: A light-emitting keyboard includes a bracket, at least one keycap, a circuit layer and a composite light-emitting layer. The at least one keycap is disposed on the bracket and connected to the bracket via a support assembly. The circuit layer is disposed between the keycap and the bracket. The composite light-emitting layer is disposed under the bracket, and includes a substrate, a conductive layer, a reflective layer and at least one light source. The conductive layer is disposed on the substrate and includes a circuit and patterned structures. The reflective layer is conformally disposed on the conductive layer. The at least one light source is located under the at least one keycap and electrically connected to the circuit, and light emitted from the light source is transmitted upwardly to the keycap.Type: GrantFiled: October 25, 2022Date of Patent: October 31, 2023Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventor: Yi-Wen Chen
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Patent number: 11804329Abstract: A transformer includes a hollow bobbin, a coil and a magnetic core. The hollow bobbin has a first end surface and a second end surface opposite to each other. In a direction perpendicular to the normals of the first end surface and the second end surface of the hollow bobbin, the hollow bobbin is not configured with any blocking plates extending laterally from the first end surface and the second end surface. The coil is wound on the hollow bobbin to form a bobbin assembly. The magnetic core has an accommodating space, wherein the bobbin assembly is disposed in the accommodating space. A manufacturing method of the transformer is also provided.Type: GrantFiled: October 30, 2019Date of Patent: October 31, 2023Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventor: Chih-Shan Chen
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Patent number: 11791112Abstract: A backlight module including a light guide plate, a circuit board, an electronic component, a reflective sheet, a light-shielding sheet, and a light-emitting component is provided. The light guide plate includes an escape opening and a light-source opening. The circuit board is disposed under the light guide plate. The electronic component is electrically connected to the circuit board, and at least a part of the electronic component is located in the escape opening. The reflective sheet is disposed on a rear surface of the light guide plate and between the light guide plate and the circuit board. The light-shielding sheet is disposed on a light emitting surface of the light guide plate opposite to the rear surface. The light-emitting component is disposed in the light-source opening. A luminous keyboard using this backlight module is also provided.Type: GrantFiled: October 27, 2022Date of Patent: October 17, 2023Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventors: Shih-Wen Chiu, Yi-Wen Chen
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Patent number: 11778746Abstract: An assembly structure of a transformer and a circuit board includes: a circuit board, a packaging chip, a transformer, a first conductive plate, a second conductive plate and a first heat sink. The packaging chip is disposed on the circuit board. The transformer has at least one first output electrode and at least one second output electrode connected to the first output electrode. The first conductive plate is disposed on the transformer and connected to the at least one first output electrode. The second conductive plate is disposed on the transformer and connected to the at least one second output electrode and the circuit board. The first heat sink is connected to the packaging chip and the first conductive plate, is disposed on the circuit board, and is connected to the circuit board and the first conductive plate.Type: GrantFiled: April 9, 2021Date of Patent: October 3, 2023Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, LITE-ON TECHNOLOGY CORPORATIONInventors: Tsung-Po Hsu, Yung-Chou Li, Yu-Jen Wei, Chih-Chun Yang