Patents Assigned to Lite-On Technology
  • Patent number: 11880516
    Abstract: The present invention discloses a rolling mechanism and a mouse device using the same. The rolling mechanism comprises a base, a circuit module, a roller module, an encoding element and an elastic element. The circuit module is disposed on the base. The roller module is disposed on the circuit module and movable on the base. The encoding element is disposed on the circuit module and electrically connected with the circuit module, and further connected to the roller module. The elastic element is disposed between the roller module and the encoding element, and the elastic element is propped against the roller module. The mouse device comprises a mouse body and a rolling mechanism disposed in the mouse body.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: January 23, 2024
    Assignees: Silitek Electronics (Dongguan) CO., LTD., LITE-ON TECHNOLOGY CORPORATION
    Inventors: Jun Wang, Chiung-Chih Huang
  • Publication number: 20240006134
    Abstract: 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: Application
    Filed: September 12, 2023
    Publication date: January 4, 2024
    Applicants: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology Corporation
    Inventors: Shih-Wen Chiu, Yi-Wen Chen
  • Patent number: 11860401
    Abstract: 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: Grant
    Filed: July 25, 2022
    Date of Patent: January 2, 2024
    Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology Corporation
    Inventor: Yi-Wen Chen
  • Publication number: 20230395336
    Abstract: A key structure including a carrier, a keycap, a lifting member, and an elastic member is provided. The carrier includes a carrier body and multiple positioning hooks. The carrier body has multiple vias, and the positioning hooks are respectively disposed corresponding to the vias. Orthographic projection of each of the positioning hooks falls in the corresponding via. Each of the positioning hooks includes a first positioning portion and a second positioning portion respectively connected to two inner wall surfaces in the corresponding via. The keycap is disposed above the carrier body. The lifting member is disposed between the carrier body and the keycap. One end of the lifting member is connected to the keycap, and an other end of the lifting member is connected to the positioning hooks. The elastic member is disposed between the carrier body and the keycap.
    Type: Application
    Filed: February 14, 2023
    Publication date: December 7, 2023
    Applicant: Lite-On Technology Corporation
    Inventors: Ko-Hsiang Lin, Chun-Lin Chen
  • Patent number: 11837949
    Abstract: A protection circuit including an auxiliary winding, a rectifier unit, the filter unit, a voltage divider unit and a controller is provided. The auxiliary winding is configured to induce an AC voltage. The rectifier unit is coupled to the auxiliary winding and configured to rectify the AC voltage into a DC voltage. The filter unit is coupled to the rectifier unit and configured to filter the DC voltage into a DC filter voltage. The voltage divider unit is coupled to the rectifier unit and the filter unit to transmit the DC filter voltage. The controller is coupled to the voltage divider unit and configured to detect a partial voltage of the DC filter voltage and detect whether to activate a protection mechanism according to the partial voltage.
    Type: Grant
    Filed: April 15, 2022
    Date of Patent: December 5, 2023
    Assignee: LITE-ON TECHNOLOGY CORPORATION
    Inventors: Wei-Ting Lin, Han-Ju Chiang, Chih-Tai Chen
  • Patent number: 11830683
    Abstract: 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: Grant
    Filed: December 31, 2020
    Date of Patent: November 28, 2023
    Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, LITE-ON TECHNOLOGY CORPORATION
    Inventors: Cheng-Kun Liao, En-Huei Wang, Ming-Fu Yen
  • Patent number: 11815708
    Abstract: 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: Grant
    Filed: December 26, 2022
    Date of Patent: November 14, 2023
    Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, LITE-ON TECHNOLOGY CORPORATION
    Inventor: Hsin-Chih Liang
  • Patent number: 11815118
    Abstract: 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: Grant
    Filed: December 8, 2020
    Date of Patent: November 14, 2023
    Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, LITE-ON TECHNOLOGY CORPORATION
    Inventors: Ching-Chih Chang, Pei-Hsuan Huang
  • Patent number: 11804341
    Abstract: The present invention provides a keycap, method for manufacturing a keycap, and keyswitch. The keycap comprises an inner keycap member, an outer keycap member, and a character layer. The inner keycap member comprises an inner body and an inner sidewall. The inner sidewall is disposed on the periphery of the inner body. The outer keycap member is disposed on the inner keycap member. The outer keycap member comprises an outer body and an outer sidewall. The outer sidewall is disposed on the periphery of the outer body. The outer body is corresponding to the inner body. The outer sidewall corresponds to the inner sidewall. The character layer is disposed between the inner keycap member and the outer keycap member. The character layer comprises a character pattern disposed between the outer body and the inner body.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: October 31, 2023
    Assignees: LITE-ON Technology (Chang Zhou) Co., LTD., LITE-ON Technology Corporation
    Inventors: XiaoQiang Liang, Wei-Pin Chuang, Lei Shi, ZhangDong Tan
  • Patent number: 11804343
    Abstract: 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: Grant
    Filed: October 25, 2022
    Date of Patent: October 31, 2023
    Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology Corporation
    Inventor: Yi-Wen Chen
  • Patent number: 11804329
    Abstract: 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: Grant
    Filed: October 30, 2019
    Date of Patent: October 31, 2023
    Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology Corporation
    Inventor: Chih-Shan Chen
  • Patent number: 11805617
    Abstract: A carrier for a storage device is provided. The carrier includes an accommodation bracket, a panel and an electromagnetic shielding element. The accommodation bracket has an open space. The panel has a handle. The electromagnetic shielding element is disposed between the accommodation bracket and the panel. The electromagnetic shielding element is engaged with the accommodation bracket.
    Type: Grant
    Filed: April 21, 2022
    Date of Patent: October 31, 2023
    Assignee: LITE-ON TECHNOLOGY CORPORATION
    Inventors: Cheng-Hsuen Chien, Yi-Feng Pu, Chen-Yuan Liu, Pei-Hsuan Huang
  • Patent number: 11791112
    Abstract: 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: Grant
    Filed: October 27, 2022
    Date of Patent: October 17, 2023
    Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology Corporation
    Inventors: Shih-Wen Chiu, Yi-Wen Chen
  • Patent number: 11787332
    Abstract: A light-emitting device includes a substrate including circuit pads and a resin portion. A frame disposed on the substrate to form a first space, first to third light sources, and first and second encapsulants. The frame includes an outer wall and a first partition in the first space to form the first space as independent second and third spaces. A first and second light sources are disposed at the second space and provide first and second light beams respectively. A third light source is disposed at the third space and provides a third light beam. A first encapsulant is filled at the second space to seal the first and second light sources. A second encapsulant is filled at the third space to seal the third light source. The second encapsulant includes a first wavelength conversion material converting the third light beam into a fourth light beam.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: October 17, 2023
    Assignee: Lite-On Technology Corporation
    Inventors: Kai Yu Hsieh, Chih Chiang Kao, Cheng Ying Lee, Tsung Lin Lu
  • Patent number: 11778746
    Abstract: 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: Grant
    Filed: April 9, 2021
    Date of Patent: October 3, 2023
    Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, LITE-ON TECHNOLOGY CORPORATION
    Inventors: Tsung-Po Hsu, Yung-Chou Li, Yu-Jen Wei, Chih-Chun Yang
  • Patent number: 11776774
    Abstract: A keyboard including a base plate, a plurality of keycaps, a plurality of supporting structures and a membrane switch element is provided. The base plate has a through hole. The keycaps are disposed on the base plate. The supporting structures are respectively disposed between the keycaps and the base plate. The membrane switch element is disposed on the base plate. The vertical projection of two adjacent keycaps of the keycaps relative to the base plate overlaps the through hole, and the membrane switch element has a shielding portion covering the through hole.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: October 3, 2023
    Assignee: LITE-ON TECHNOLOGY CORPORATION
    Inventor: Yung-Nien Chai
  • Patent number: 11774691
    Abstract: A light-emitting device and a light emitting module are provided. The light emitting module includes a housing, at least one light guide element, and at least one light emitting element. The housing includes at least one passage passing through its a first surface and a second surface, and a coupling portion formed on an inner surface adjacent to the second surface. The light guide element arranged in the at least one passage has a light emergent surface exposed at one end of the at least one passage and a light incident surface exposed at the other end of the at least one passage. The light emitting element is coupled to the housing by the coupling portion. The light emitting element includes a light emitting surface facing to the light incident surface of the light guide element and a soldering portion exposed from the housing.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: October 3, 2023
    Assignees: LITE-ON OPTO TECHNOLOGY (CHANGZHOU) CO., LTD., LITE-ON TECHNOLOGY CORPORATION
    Inventors: Cheng-Han Wang, Szu-Tsung Kao, Chih-Li Yu, Cheng-Hong Su, Chun-Wei Huang, Chen-Hsiu Lin
  • Publication number: 20230307195
    Abstract: A keyboard includes a backlight module, a base plate, a membrane circuit disposed on the base plate, and a plurality of key structures disposed on the membrane circuit. The backlight module includes a light source, a reflective layer, a light guide layer, and a shielding layer. The light source is disposed corresponding to the light guide layer. The light guide layer is located between the shielding layer and the reflective layer. The light guide layer has a through-hole. The shielding layer and the reflective layer are in contact with each other in the through-hole of the light guide layer. The base plate is disposed on the shielding layer. The base plate has a positioning portion disposed corresponding to the through-hole of the light guide layer, which protrudes toward the reflective layer or the membrane circuit.
    Type: Application
    Filed: May 30, 2023
    Publication date: September 28, 2023
    Applicant: Lite-On Technology Corporation
    Inventor: Yi-Wen Chen
  • Publication number: 20230307196
    Abstract: A key module and a keyboard are disclosed. The key module includes a bottom plate including a first opening; a keycap disposed on the bottom plate, and including a visible region corresponding to the first opening; a flexible component disposed between the bottom plate and the keycap, and including a second opening corresponding to the visible region; a support structure connected between the bottom plate and the flexible component, and including a third opening corresponding to the visible region; a circuit layer disposed between the bottom plate and the flexible component, and including a fourth opening corresponding to the visible region; and a pattern modulator disposed below the bottom plate, and including a pattern region corresponding to the visible region.
    Type: Application
    Filed: March 23, 2023
    Publication date: September 28, 2023
    Applicant: Lite-On Technology Corporation
    Inventors: Cheng-Kun Liao, Ming-Fu Yen, Cheng-Hsiung Huang
  • Publication number: 20230309243
    Abstract: The disclosure provides a conductive slurry, which includes a conductive paste comprising polar materials and a hydrophobic agent mixed with the conductive paste. The hydrophobic agent includes solvent and hydrophobic particles. The solvent of the hydrophobic agent includes a non-polar material.
    Type: Application
    Filed: March 22, 2023
    Publication date: September 28, 2023
    Applicant: Lite-On Technology Corporation
    Inventor: Jen-Chieh Huang