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公开(公告)号：US20210349547A1
公开(公告)日：2021-11-11
申请号：US17316737
申请日：2021-05-11
Applicant: DARFON ELECTRONICS CORP.
Inventor： Wei-Yan You , Chin-Lung Chan , Po-Yueh Chou
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：US20210012982A1
公开(公告)日：2021-01-14
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：US11551889B2
公开(公告)日：2023-01-10
申请号：US16745279
申请日：2020-01-16
Applicant: DARFON ELECTRONICS CORP.
Inventor： Yu-Chih Chang , Chin-Lung Chan , Cheng-Min Su
Abstract: A key switch is provided, which includes a base, a cap, a first linkage rod, a second linkage rod, an elastic contraction element, at least one activate member and a thin film circuit unit. The base includes a plurality of first connection portions and a plurality of second connection portions. The first linkage rod is movably connected to the first connection portions and the cap. The second linkage rod is movably connected to the second connection portions and the cap. One end of the elastic contraction element is connected to the first linkage rod, and the other end thereof is connected to the second linkage rod. The activate member is disposed on one of the first linkage rod, the second linkage rod and the cap. The thin film circuit unit includes an activate portion.
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公开(公告)号：US11416083B2
公开(公告)日：2022-08-16
申请号：US17564316
申请日：2021-12-29
Applicant: Darfon Electronics Corp.
Inventor： Chin-Lung Chan , Wei-Yan You
Abstract: A keyboard overlay film forming a plurality of keycap accommodating cavities and a key-gap space, the key-gap space surrounding the keycap accommodating cavities, and the keycap accommodating cavities respectively including a key projection surface, wherein the keyboard overlay film includes a top protective layer; a character layer located on a side of the top protective layer forming the keycap accommodating cavities, and the character layer includes a plurality of light-transparent characters respectively corresponding to the key projection surface of the keycap accommodating cavities; a set of touch electrodes located on a side of the character layer opposite to the top protective layer; and a lower protective layer located on a side of the set of touch electrodes opposite to the character layer.
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公开(公告)号：US11334172B2
公开(公告)日：2022-05-17
申请号：US17195585
申请日：2021-03-08
Applicant: DARFON ELECTRONICS CORP.
Inventor： Chin-Lung Chan , Hsin-Hung Liu , Chih-Ho Hsu
Abstract: A keyboard with light-emitting and touch functions includes a keyswitch, a backlight module having a light source and a light guide plate, a membrane, a capacitive touch sensing sheet disposed on the membrane and the light guide plate, and a board. The keyswitch includes a cap and a support mechanism movably connected to the cap. Light of the light source is incident into the light guide plate and is emitted toward the cap. The membrane has a switch and is selectively disposed on or under the backlight module. The board is disposed under the backlight module and the membrane and has first and second connection members. The first and second connection members pass through the membrane, the light guide plate and the capacitive touch sensing sheet to be movably connected to the support mechanism, so as to make the cap movable downward relative to the board for triggering the switch.
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Patent Agency Ranking
公开(公告)号：US20210351774A1
公开(公告)日：2021-11-11
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：US20210349544A1
公开(公告)日：2021-11-11
申请号：US17195585
申请日：2021-03-08
Applicant: DARFON ELECTRONICS CORP.
Inventor： Chin-Lung Chan , Hsin-Hung Liu , Chih-Ho Hsu
Abstract: A keyboard with light-emitting and touch functions includes a keyswitch, a backlight module having a light source and a light guide plate, a membrane, a capacitive touch sensing sheet disposed on the membrane and the light guide plate, and a board. The keyswitch includes a cap and a support mechanism movably connected to the cap. Light of the light source is incident into the light guide plate and is emitted toward the cap. The membrane has a switch and is selectively disposed on or under the backlight module. The board is disposed under the backlight module and the membrane and has first and second connection members. The first and second connection members pass through the membrane, the light guide plate and the capacitive touch sensing sheet to be movably connected to the support mechanism, so as to make the cap movable downward relative to the board for triggering the switch.
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公开(公告)号：US20210249200A1
公开(公告)日：2021-08-12
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 , H01H13/04 , H01H13/7065
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：US20210193411A1
公开(公告)日：2021-06-24
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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公开(公告)号：US10984968B2
公开(公告)日：2021-04-20
申请号：US16878583
申请日：2020-05-19
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. In an embodiment, 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 indentation portion and can guide the protruding shaft to fit in the indentation portion. In another embodiment, the support includes a support body connected to the base plate, and an abutting arm extending from the support body. The base plate structurally constrains the support through a hook and a limitation post thereof. The abutting arm of one support extends under the other support, so that the two supports can move each other through the abutting arms.
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