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公开(公告)号：US11051375B2
公开(公告)日：2021-06-29
申请号：US16581053
申请日：2019-09-24
Applicant: Primax Electronics Ltd.
Inventor： Ding-Hsiang Pan , Hui-Ling Lin , Chuan-Tai Hsiao , Chun-Han Huang
Abstract: A color adjusting method for a color light-emitting element is provided. Firstly, a first white light beam is produced by red, green and blue light-emitting units collaboratively, and a second white light beam is produced by a white light-emitting unit. Then, a second chromaticity value corresponding to the second white light beam is acquired. Then, the red, green and blue light-emitting units are controlled to produce a third white light beam according to the second chromaticity value, and a first adjusting parameter is acquired. Then, the white light-emitting unit is controlled to produce a fourth white light beam according to a third luminance value corresponding to the third white light beam, and a second adjusting parameter is acquired. Then, a gray level adjustment process is performed according to the first and second adjusting parameters.
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公开(公告)号：US10600591B2
公开(公告)日：2020-03-24
申请号：US16189053
申请日：2018-11-13
Applicant: Primax Electronics Ltd.
Inventor： Ying-Te Chiang , Lei-Lung Tsai , Yu-Ming Lin , Ding-Hsiang Pan
IPC: H01H13/83 , H01H13/705
Abstract: This application provides a luminous keyboard, including a plurality of keys, a plurality of keys, a light guide plate, and a reflector. Each of the keys includes a rubber dome, where the rubber dome is made of a translucent material doped with a plurality of light-diffusion particles, and when the rubber dome is irradiated by a light ray, a part of the light ray is diffused when traveling upward through the rubber dome, and the other part of the light ray is reflected downward by the rubber dome to the reflector, then, is reflected upward, and is diffused when passing by a plurality of light diffusion protrusions of the light guide plate, to be emitted outward through the keys.
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公开(公告)号：US12013565B1
公开(公告)日：2024-06-18
申请号：US18133717
申请日：2023-04-12
Applicant: Primax Electronics Ltd.
Inventor： Ding-Hsiang Pan , Hui-Ling Lin
CPC classification number: G02B6/0055
Abstract: An illuminated keyboard includes a membrane circuit board, a base plate, a key structure, a backlight module and a first reflective layer. The base plate is disposed beneath the membrane circuit board and has a first through hole and a plurality of second through holes adjacent to the first through hole. The key structure is disposed over the membrane circuit board and includes an elastic member. The backlight module is disposed beneath the base plate. The backlight module includes: a direct-type light-emitting element, substantially aligned with the first through hole and misaligned with a trigger portion of the elastic member; and a light guide plate, laterally adjacent to the direct-type light-emitting element. The first reflective layer is disposed over, beneath, or over and beneath the membrane circuit board and is substantially aligned with the first through hole.
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公开(公告)号：US20190172662A1
公开(公告)日：2019-06-06
申请号：US16189053
申请日：2018-11-13
Applicant: Primax Electronics Ltd.
Inventor： Ying-Te Chiang , Lei-Lung Tsai , Yu-Ming Lin , Ding-Hsiang Pan
IPC: H01H13/83 , H01H13/705
Abstract: This application provides a luminous keyboard, including a plurality of keys, a plurality of keys, a light guide plate, and a reflector. Each of the keys includes a rubber dome, where the rubber dome is made of a translucent material doped with a plurality of light-diffusion particles, and when the rubber dome is irradiated by a light ray, a part of the light ray is diffused when traveling upward through the rubber dome, and the other part of the light ray is reflected downward by the rubber dome to the reflector, then, is reflected upward, and is diffused when passing by a plurality of light diffusion protrusions of the light guide plate, to be emitted outward through the keys.
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公开(公告)号：US20190122835A1
公开(公告)日：2019-04-25
申请号：US15906812
申请日：2018-02-27
Applicant: Primax Electronics Ltd.
Inventor： Ding-Hsiang Pan , Chin-Sung Pan , Ying-Te Chiang , Kun-I Yuan
CPC classification number: H01H13/023 , H01H3/125 , H01H13/83 , H01H2219/036 , H01H2219/058 , H01H2219/06 , H01H2221/07
Abstract: A key structure, including a keycap, a movable mechanism, a support plate, a circuit board, and an indicator light-emitting element. The support plate and the movable mechanism pivotally connected to the support plate are disposed above the circuit board. The circuit board has a groove, and the indicator light-emitting element is embedded in the groove and is aligned with the keycap. The indicator light-emitting element emits light upward. The light may be directly emitted into the movable mechanism and is subsequently emitted outward through a light hole of the keycap.
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Patent Agency Ranking
6.发明授权公开(公告)号：US11556152B2
公开(公告)日：2023-01-17
申请号：US17081727
申请日：2020-10-27
Applicant: Primax Electronics Ltd.
Inventor： Ding-Hsiang Pan , Hui-Ling Lin , Yi-Chao Huang
Abstract: A keyboard device includes a keyboard module and an illumination module. The keyboard module includes plural first keys and at least one second key. The illumination module includes a light guide plate and a circuit board. The light guide plate includes plural first mapping zones and a second mapping zone. The first mapping zones are located under the corresponding first keys. The second mapping zone is located under the second key. Moreover, at least one side-view light-emitting element and at least one top-view light-emitting element are installed on the circuit board. The side-view light-emitting element emits a first light beam. The top-view light-emitting element emits a second light beam. The first light beam is extracted through the corresponding first mapping zone and transferred to the corresponding first key. The second light beam is transferred to the second key.
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7.发明申请公开(公告)号：US20220035416A1
公开(公告)日：2022-02-03
申请号：US17081727
申请日：2020-10-27
Applicant: Primax Electronics Ltd.
Inventor： Ding-Hsiang Pan , Hui-Ling Lin , Yi-Chao Huang
Abstract: A keyboard device includes a keyboard module and an illumination module. The keyboard module includes plural first keys and at least one second key. The illumination module includes a light guide plate and a circuit board. The light guide plate includes plural first mapping zones and a second mapping zone. The first mapping zones are located under the corresponding first keys. The second mapping zone is located under the second key. Moreover, at least one side-view light-emitting element and at least one top-view light-emitting element are installed on the circuit board. The side-view light-emitting element emits a first light beam. The top-view light-emitting element emits a second light beam. The first light beam is extracted through the corresponding first mapping zone and transferred to the corresponding first key. The second light beam is transferred to the second key.
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公开(公告)号：US20210022217A1
公开(公告)日：2021-01-21
申请号：US16581053
申请日：2019-09-24
Applicant: Primax Electronics Ltd.
Inventor： Ding-Hsiang Pan , Hui-Ling Lin , Chuan-Tai Hsiao , Chun-Han Huang
Abstract: A color adjusting method for a color light-emitting element is provided. Firstly, a first white light beam is produced by red, green and blue light-emitting units collaboratively, and a second white light beam is produced by a white light-emitting unit. Then, a second chromaticity value corresponding to the second white light beam is acquired. Then, the red, green and blue light-emitting units are controlled to produce a third white light beam according to the second chromaticity value, and a first adjusting parameter is acquired. Then, the white light-emitting unit is controlled to produce a fourth white light beam according to a third luminance value corresponding to the third white light beam, and a second adjusting parameter is acquired. Then, a gray level adjustment process is performed according to the first and second adjusting parameters.
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公开(公告)号：US10699858B2
公开(公告)日：2020-06-30
申请号：US16189861
申请日：2018-11-13
Applicant: Primax Electronics Ltd.
Inventor： Sheng-Fan Chang , Che-An Li , Ding-Hsiang Pan , Chia-Feng Lee
IPC: H01H13/88 , H01H13/14 , H01H13/7065 , H01H3/12 , H01H13/84
Abstract: The present invention provides a keyboard device, including a plurality of keys, thin film circuit boards, and key bottom plates. A connection component of the key is connected between a keycap of the key and a bottom plate connection portion of key bottom plate, and the bottom plate connection portion has a connection portion surface corresponding to the keycap and a raised portion formed on the connection portion surface. When the keycap moves downward relative to the thin film circuit board, a lower surface of the keycap knocks the raised portion.
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公开(公告)号：US11706859B2
公开(公告)日：2023-07-18
申请号：US17534556
申请日：2021-11-24
Applicant: Primax Electronics Ltd.
Inventor： Ding-Hsiang Pan , Hui-Ling Lin
CPC classification number: H05B47/14 , G06F3/0202
Abstract: An input device with a backlight function and a backlight color adjustment method are provided. The input device with the backlight function includes a casing, plural color light-emitting elements, a control module and a charge-coupled device. The control module provides electric power to at least two selected color light-emitting elements through a power supply circuit. By the control module, the chromaticity value of a mixed white light beam from the color light-emitting element is adjusted to be consistent with the chromaticity value of a white light beam, and the luminance value of the mixed white light beam from the color light-emitting element is adjusted to be consistent with the luminance value of the white light beam.
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