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公开(公告)号：US20180025856A1
公开(公告)日：2018-01-25
申请号：US15650982
申请日：2017-07-17
Applicant: DARFON ELECTRONICS CORP.
Inventor： Pen-Hui Liao , Chin-Hung Lin , Hsin-Hung Liu , I-Chu Kuo , Yu-Ming Huang
CPC classification number: H01H3/12 , G06F3/0202 , H01H13/88
Abstract: A keyswitch includes a cap, a support structure, a first magnet, and a baseplate having a bending arm protruding from the baseplate and a support rib extending horizontally to form a receiving space with the bending arm. The support structure includes a first support member pivoted to the baseplate and against the cap and a magnetic permeable plate extending from the first support member and being above the receiving space. The first magnet is inserted into the receiving space to be supported by the support rib and be pressed by the bending arm. When the cap is pressed to make the magnetic permeable plate away from the first magnet as the first support member rotates, the cap moves to a pressed position. When the cap is released, a magnetic attraction force between the magnetic permeable plate and the first magnet drives the magnetic permeable plate to approach the first magnet.
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公开(公告)号：US20160189892A1
公开(公告)日：2016-06-30
申请号：US14979502
申请日：2015-12-27
Applicant: Darfon Electronics Corp.
Inventor： Hsin-Hung Liu , Pen-Hui Liao
CPC classification number: H01H13/83 , G06F3/0202 , H01H3/125 , H01H2219/044 , H01H2219/058 , H01H2219/062 , H01H2219/0622 , H01H2219/064
Abstract: An illuminant keyboard and a method thereof are provided. A plurality of protruding walls substantially parallel to each other are disposed on one of an upper surface of the transparent plate, a lower surface of the transparent plate and an upper surface of the planar light source. The protruding walls may be either I-shaped, L-shaped, U-shaped or square-shaped. When the protruding walls are made of an opaque material, the protruding walls can effectively reduce the intensity of the halo light surrounding a transparent keycap. When the protruding walls are made of a transparent material with a designated color, the halo light surrounding the keycap will be modulated with the designated color.
Abstract translation: 提供了一种光源键盘及其方法。 多个彼此平行的突出壁设置在透明板的上表面，透明板的下表面和平面光源的上表面之一上。 突出的壁可以是I形，L形，U形或正方形。 当突出的壁由不透明材料制成时，突出的壁可以有效地降低围绕透明键帽的晕圈的强度。 当突出的壁由具有指定颜色的透明材料制成时，围绕键帽的光环将以指定的颜色进行调制。
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公开(公告)号：US20180350537A1
公开(公告)日：2018-12-06
申请号：US15993628
申请日：2018-05-31
Applicant: DARFON ELECTRONICS CORP.
Inventor： Pen-Hui Liao , Chin-Hung Lin , Yen-Hsiao Lin , Hsin-Hung Liu , Chia-Fu Cheng
CPC classification number: H01H13/84 , H01H13/705 , H01H13/85 , H01H13/88 , H01H2221/062
Abstract: A key switch includes a base, a key cap, a link bar and a buffer member. A first hook of a first extending arm of the base and a second hook of a second extending arm of the base extend toward opposite directions respectively. An upper linking end of the link bar is movably connected to the key cap. The buffer member is made of material softer than material of the base. When the first hook and the second hook engage with a first engaging portion and a second engaging portion of the buffer member respectively, a recess structure of the buffer member is adjacent to the base to form a restraining structure. A lower linking end of the link bar is movably disposed through the restraining structure. Therefore, the key switch of the present invention has noise reduction capability.
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公开(公告)号：US10950394B2
公开(公告)日：2021-03-16
申请号：US16442531
申请日：2019-06-16
Applicant: DARFON ELECTRONICS CORP.
Inventor： Pen-Hui Liao , Chin-Hung Lin , Yen-Hsiao Lin , Hsin-Hung Liu , Chia-Fu Cheng
IPC: H01H13/14
Abstract: A key switch includes a base, a key cap, a supporting mechanism, a link bar and a buffer member. The key cap is disposed above the base. The supporting mechanism is connected to the key cap and the base to allow the key cap to move relative to the base upwardly and downwardly. The link bar includes a lower linking end. The buffer member and the base are two independent components. The buffer member is disposed on the base and made of material softer than material of the base. A restraining structure is formed on the buffer member. The lower linking end movably passes through the restraining structure. When the key cap moves relative to the base upwardly and downwardly, the lower linking end is driven to move within the restraining structure correspondingly, so as to reduce noise during movement of the lower linking end relative to the base.
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公开(公告)号：US09966202B2
公开(公告)日：2018-05-08
申请号：US15650982
申请日：2017-07-17
Applicant: DARFON ELECTRONICS CORP.
Inventor： Pen-Hui Liao , Chin-Hung Lin , Hsin-Hung Liu , I-Chu Kuo , Yu-Ming Huang
CPC classification number: H01H3/12 , G06F3/0202 , H01H13/88
Abstract: A keyswitch includes a cap, a support structure, a first magnet, and a baseplate having a bending arm protruding from the baseplate and a support rib extending horizontally to form a receiving space with the bending arm. The support structure includes a first support member pivoted to the baseplate and against the cap and a magnetic permeable plate extending from the first support member and being above the receiving space. The first magnet is inserted into the receiving space to be supported by the support rib and be pressed by the bending arm. When the cap is pressed to make the magnetic permeable plate away from the first magnet as the first support member rotates, the cap moves to a pressed position. When the cap is released, a magnetic attraction force between the magnetic permeable plate and the first magnet drives the magnetic permeable plate to approach the first magnet.
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Patent Agency Ranking
公开(公告)号：US20250166941A1
公开(公告)日：2025-05-22
申请号：US18942760
申请日：2024-11-10
Applicant: DARFON ELECTRONICS CORP.
Inventor： Hsin-Hung Liu , Wen-Ming Hsu , Heng-Yi Huang
IPC: H01H13/02 , H01H13/04 , H01H13/10 , H01H13/7057
Abstract: A lighting keyboard includes a plurality of keys and a backlight module. Each of the keys has a keycap. The backlight module is located below the keys. The backlight module includes a plurality of light emitting units and a light guide plate. Three of the light emitting units are arranged in a triangle to form a light emitting area. The light emitting area overlaps with at least two keycaps. The light guide plate is provided with two relatively sparser microstructure regions and at least one relatively denser microstructure region on a connection line of at least two of the three light emitting units. The two relatively sparser microstructure regions are respectively close to the at least two light emitting units. The at least one relatively denser microstructure region is located between the two relatively sparser microstructure regions.
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公开(公告)号：US11830688B2
公开(公告)日：2023-11-28
申请号：US17699594
申请日：2022-03-21
Applicant: Darfon Electronics Corp.
Inventor： Hsin-Hung Liu , Chao-Yu Chen
CPC classification number: H01H13/83 , G02B6/0035 , G06F3/021 , H01H2219/062
Abstract: A backlight module applicable to a key module is provided, the key module includes a plurality of key units and a baseplate, and the plurality of key units are disposed on the baseplate. The backlight module includes a lower substrate, a plurality of periphery light sources disposed along the peripheral of the baseplate, and a shielding structure. The lower substrate is disposed below the baseplate, and there is an outer edge gap between an outer edge of the baseplate and the lower substrate. The periphery light sources are disposed between the baseplate and the lower substrate. The shielding structure is disposed outside those periphery light sources distributed, to prevent light provided by the plurality of light sources from being emitted out of the outer edge gap.
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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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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：US20190304717A1
公开(公告)日：2019-10-03
申请号：US16442531
申请日：2019-06-16
Applicant: DARFON ELECTRONICS CORP.
Inventor： Pen-Hui Liao , Chin-Hung Lin , Yen-Hsiao Lin , Hsin-Hung Liu , Chia-Fu Cheng
IPC: H01H13/14
Abstract: A key switch includes a base, a key cap, a supporting mechanism, a link bar and a buffer member. The key cap is disposed above the base. The supporting mechanism is connected to the key cap and the base to allow the key cap to move relative to the base upwardly and downwardly. The link bar includes a lower linking end. The buffer member and the base are two independent components. The buffer member is disposed on the base and made of material softer than material of the base. A restraining structure is formed on the buffer member. The lower linking end movably passes through the restraining structure. When the key cap moves relative to the base upwardly and downwardly, the lower linking end is driven to move within the restraining structure correspondingly, so as to reduce noise during movement of the lower linking end relative to the base.
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