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公开(公告)号：US11740706B2
公开(公告)日：2023-08-29
申请号：US17316737
申请日：2021-05-11
Applicant: DARFON ELECTRONICS CORP.
Inventor： Wei-Yan You , Chin-Lung Chan , Po-Yueh Chou
CPC classification number: G06F3/0213 , G06F3/0446 , H03K17/9622 , H03K2217/9607
Abstract: A keyboard touch electrode module includes a plurality of same electrode matrices, which are arranged along a lengthwise direction and a widthwise direction and formed by a plurality of series of first electrodes and a plurality of series of second electrodes which interlace with each other. Adjacent two of the electrode matrices in the widthwise direction are mis-aligned. The electrode matrices thereon define a plurality of key projection areas, each of which covers a same key-face electrode pattern. A touch keyboard includes a base, a plurality of keycaps, a plurality of supporting structures connected to and between the base and the keycaps, and the keyboard touch electrode module disposed between the base and the keycaps. The keyboard touch electrode module can senses a non-pressing movement on the keycaps. The keycap can move up and down relative to the base and the keyboard touch electrode module through the corresponding supporting structure.
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公开(公告)号：US10971314B2
公开(公告)日：2021-04-06
申请号：US16880920
申请日：2020-05-21
Applicant: DARFON ELECTRONICS CORP.
Inventor： Chih-Hsiang Chiang , Cheng-Min Su , Chin-Lung Chan , Yu-Chih Chang
Abstract: A key switch includes a base, a key cap, a first support member and a second support member. The key cap is disposed with respect to the base. The first support member and the second support member are disposed between the key cap and the base. The first support member has a first linkage structure. The second support member has a second linkage structure. The first linkage structure and the second linkage structure abut against each other, such that the first support member and the second support member rotate synchronously with respect to a horizontal axis. When one of the first support member and the second support member horizontally moves with respect to the other one of the first support member and the second support member within a predetermined range along the horizontal axis, the first linkage structure and the second linkage structure keep abutting against each other.
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公开(公告)号：US11463090B2
公开(公告)日：2022-10-04
申请号：US17308990
申请日：2021-05-05
Applicant: DARFON ELECTRONICS CORP.
Inventor： Wei-Yan You , Chin-Lung Chan , Po-Yueh Chou
Abstract: A touch keyboard includes a keyboard touch electrode module and keyswitches arranged along lengthwise and widthwise directions. The keyboard touch electrode module includes plural key electrode matrixes one-to-one corresponding to plural key projection areas for the keyswitches. The key electrode matrixes are arranged along the lengthwise direction and the widthwise direction. At least two key electrode matrixes unaligned in the widthwise direction are identical to each other. The key electrode matrix includes plural electrodes arranged alternately at an electrode interval. A size of the electrode in the widthwise direction is defined by a function of the electrode interval, a key pitch between two widthwise-adjacent ones of the key projection areas, and an electrode row number covered within the key pitch.
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公开(公告)号：US20220122788A1
公开(公告)日：2022-04-21
申请号：US17317889
申请日：2021-05-12
Applicant: DARFON ELECTRONICS CORP.
Inventor： Zheng-Hong Lai , Chih-Ho Hsu , Chin-Lung Chan
IPC: H01H13/705 , H01H13/83
Abstract: A keyswitch structure includes a switch and a multilayer structure above the switch. The multilayer structure includes an inner flexible layer, a rigid light-transmissive cover sheet, and a flexible light-transmissive layer. The inner flexible layer has a keycap portion and a connection portion extending outward from the keycap portion. The keycap portion is located above the switch and forms a spatial character structure. The rigid light-transmissive cover sheet is disposed on the keycap portion and covers the spatial character structure. The flexible light-transmissive layer covers the inner flexible layer and the rigid light-transmissive cover sheet. A keyboard includes the keyswitch structure and a device casing carrying the keyswitch structure. The multilayer structure is fixed to the device casing. The rigid light-transmissive cover sheet is harder than the flexible light-transmissive layer and structurally protects the spatial character structure from being damaged when the keyswitch structure is pressed.
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公开(公告)号：US11289288B2
公开(公告)日：2022-03-29
申请号：US17103911
申请日：2020-11-24
Applicant: DARFON ELECTRONICS CORP.
Inventor： Zheng-Hong Lai , Chih-Ho Hsu , Chin-Lung Chan , Che-Wei Lee , Chang-En Sun
Abstract: A waterproof film includes a film reinforcing layer, a light shielding layer, a texture layer, and a pattern. The light shielding layer is combined under the film reinforcing layer and forms a plurality of protruding structures cooperatively with the film reinforcing layer by a hot pressing process. The texture layer is attached to a release film and then formed on a top surface and a side surface of each protruding structure after a hot pressing process is performed and the release film is then peeled. The pattern is formed on the texture layer or the light shielding layer.
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Patent Agency Ranking
公开(公告)号：US11569046B2
公开(公告)日：2023-01-31
申请号：US17161675
申请日：2021-01-29
Applicant: DARFON ELECTRONICS CORP.
Inventor： Chin-Lung Chan , Cheng-Min Su , Hung-Chieh Lo
IPC: H01H3/12 , H01H13/14 , H01H13/7065 , H01H13/04
Abstract: A keyswitch includes a board, a cap opposite to the board, a first support device, a second support device, and a first link member. The first support device is disposed between the cap and the board. An end of the first support device is connected to the board. Another end of the first support device is connected to the cap. The second support device is disposed between the cap and the board and is separate from the first support device at a specific distance. An end of the second support device is connected to the board. Another end of the second support device is connected to the cap. The first link member has a first end portion and a second end portion. The first end portion is movably connected to the first support device. The second end portion is connected to the second support device.
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公开(公告)号：US11289284B2
公开(公告)日：2022-03-29
申请号：US17199461
申请日：2021-03-12
Applicant: DARFON ELECTRONICS CORP.
Inventor： Cheng-Min Su , Chin-Lung Chan , Yu-Chih Chang
Abstract: A keyswitch structure includes a base plate, a keycap, and two supports connected to the base plate and the keycap. The keycap is movable relative to the base plate through the two supports. The support is pivotally connected to the base plate through a pivotal connection structure that includes a guiding slot and a protruding shaft oppositely disposed on the support and the base plate. The guiding slot has an opening and an indentation portion. The opening is located at an upper end of the guiding slot. The protruding shaft enters the guiding slot from the opening to rotatably fit in the indentation portion, so that the support is pivotally connected to the base plate.
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公开(公告)号：US20210202191A1
公开(公告)日：2021-07-01
申请号：US17199461
申请日：2021-03-12
Applicant: DARFON ELECTRONICS CORP.
Inventor： Cheng-Min Su , Chin-Lung Chan , Yu-Chih Chang
Abstract: A keyswitch structure includes a base plate, a keycap, and two supports connected to the base plate and the keycap. The keycap is movable relative to the base plate through the two supports. The support is pivotally connected to the base plate through a pivotal connection structure that includes a guiding slot and a protruding shaft oppositely disposed on the support and the base plate. The guiding slot has an opening and an indentation portion. The opening is located at an upper end of the guiding slot. The protruding shaft enters the guiding slot from the opening to rotatably fit in the indentation portion, so that the support is pivotally connected to the base plate.
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公开(公告)号：US20230245843A1
公开(公告)日：2023-08-03
申请号：US18132433
申请日：2023-04-10
Applicant: DARFON ELECTRONICS CORP.
Inventor： Zheng-Hong Lai , Chih-Ho Hsu , Chin-Lung Chan
IPC: H01H13/705 , H01H13/83
CPC classification number: H01H13/705 , H01H13/83 , H01H2221/07 , H01H2223/044
Abstract: A keyswitch structure includes a switch and a multilayer structure above the switch. The multilayer structure includes an inner flexible layer, a rigid light-transmissive cover sheet, and a flexible light-transmissive layer. The inner flexible layer has a keycap portion and a connection portion extending outward from the keycap portion. The keycap portion is located above the switch and forms a spatial character structure. The rigid light-transmissive cover sheet is disposed on the keycap portion and covers the spatial character structure. The flexible light-transmissive layer covers the inner flexible layer and the rigid light-transmissive cover sheet. A keyboard includes the keyswitch structure and a device casing carrying the keyswitch structure. The multilayer structure is fixed to the device casing. The rigid light-transmissive cover sheet is harder than the flexible light-transmissive layer and structurally protects the spatial character structure from being damaged when the keyswitch structure is pressed.
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公开(公告)号：US11531404B2
公开(公告)日：2022-12-20
申请号：US17316762
申请日：2021-05-11
Applicant: Darfon Electronics Corp.
Inventor： Chin-Lung Chan , Wei-Yan You , Po-Yueh Chou
Abstract: A luminous touch keyboard includes a baseplate, a plurality of keycaps, a plurality of support mechanisms connected between the baseplate and the keycaps, and a keyboard composite electrode module disposed between the baseplate and the keycaps and configured to sense a non-pressing movement over the keycaps and to provide light emitting through the keycaps. The support mechanism supports the keycap to move relative to the baseplate and the keyboard composite electrode module. The keyboard composite electrode module includes a light source circuit and a plurality of electrode matrices arranged along a first direction and a second direction. Two of the electrode matrices adjacent in the second direction are mis-aligned. The light source circuit includes a plurality of light sources disposed in the plurality of electrode matrices in a one-to-one manner, and the position of the light source in the electrode matrix is correspondingly the same.
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