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公开(公告)号：US20240402409A1
公开(公告)日：2024-12-05
申请号：US18217321
申请日：2023-06-30
Applicant: Primax Electronics Ltd.
Inventor： Ming-Hui Yeh , Ruey-Piin Wang , Yin-Liang Hu , Chia-Ming Li , Ming-Han Yu , Wei-Ping Chan
IPC: F21V8/00
Abstract: The present disclosure provides a ring-shaped light guide module, which includes a ring-shaped light guide plate, a circuit board, a plurality of top light-emitting elements and a reflective layer. The ring-shaped light guide plate has a plurality of accommodating recesses disposed on an outer ring surface of the ring-shaped light guide plate and separated from each other. The circuit board surrounds a portion of the outer ring surface of the ring-shaped light guide plate. The top light-emitting elements are disposed on the circuit board and respectively located in the accommodating recesses. The reflective layer covers a portion of an inner ring surface and a first side surface of the ring-shaped light guide plate. A light emitting device including the aforementioned ring-shaped light guide module is also provided.
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公开(公告)号：US11754769B1
公开(公告)日：2023-09-12
申请号：US18125284
申请日：2023-03-23
Applicant: Primax Electronics Ltd.
Inventor： Wei-Ping Chan , Ruey-Piin Wang , Chia-Ming Li , Hung-Wei Kuo
IPC: F21V8/00
CPC classification number: G02B6/0046 , G02B6/0043 , G02B6/0051 , G02B6/0088
Abstract: A backlight kit includes a base member, a covering member, a slim-type light guide element and an illumination module. The covering member is combined with the base member. The slim-type light guide element and the illumination module are arranged between the base member and the covering member. After the illumination module emits a light beam to the slim-type light guide element, the light beam is transferred through the slim-type light guide element. Consequently, a luminance gradient region is formed on the surface of the covering member.
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公开(公告)号：US20240219624A1
公开(公告)日：2024-07-04
申请号：US18381595
申请日：2023-10-18
Applicant: Primax Electronics Ltd.
Inventor： Wei-Ping Chan , Ming-Hui Yeh
CPC classification number: G02B6/0088 , G06F3/041
Abstract: A touch module includes a touch sensor panel, a light guide plate, an adhesive layer and a shielding body. The touch sensor panel includes an opening. The adhesive layer includes a groove part. The light guide plate is located over the touch sensor panel. The adhesive layer is arranged between the touch sensor panel and the light guide plate. The touch sensor panel and the light guide plate are attached on each other through the adhesive layer. The groove part of the adhesive layer is in communication with the opening of the touch sensor panel to exhaust the gas. The shielding body surrounds the edge part of the light guide plate and the outer periphery part of the touch senor panel. Due to the shielding body, the light beam transferred in the light guide plate will not be leaked out.
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公开(公告)号：US20200293145A1
公开(公告)日：2020-09-17
申请号：US16424118
申请日：2019-05-28
Applicant: Primax Electronics Ltd.
Inventor： Chung-Yuan Chen , Wei-Ping Chan
Abstract: A touch module for an electronic device is provided. The touch module includes a touch-sensitive plate, a light guide plate, a light-shielding plate and a translucent covering plate. The touch-sensitive plate includes plural light-emitting units. The light guide plate is disposed on the touch-sensitive plate. The light-shielding plate is located over the light guide plate. The light-shielding plate includes a hollow portion. The translucent covering plate is located over the light-shielding plate. The hollow portion is covered by the translucent covering plate. According to a touch signal, the touch-sensitive plate controls the plural light-emitting units to emit light beams to the light guide plate. After the light beams are transmitted through the hollow portion, the light beams are transferred to the translucent covering plate.
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公开(公告)号：US09837228B2
公开(公告)日：2017-12-05
申请号：US15137297
申请日：2016-04-25
Applicant: Primax Electronics Ltd.
Inventor： Chung-Yuan Chen , Wei-Ping Chan , Yi-Chen Wang
CPC classification number: H01H13/83 , G02B6/0051 , G02B6/0055 , G02B6/0088 , H01H2219/036 , H01H2219/06 , H01H2219/062 , H01H2221/024 , H01H2223/03 , H01H2223/038 , H01H2223/056 , H01H2231/002 , H01H2233/058 , H01H2233/07 , H01H2235/01 , H03K17/9627
Abstract: An illuminated keyboard with an optical switch is provided. The illuminated keyboard includes a circuit board and plural keys. The circuit board includes plural light-emitting elements. Each light-emitting element is aligned with the corresponding key. The key includes a keycap, a housing, a triggering post, a light guide element and a light guide frame. The keycap is located over the housing. The triggering post, the light guide element and the light guide frame are disposed within the housing. Moreover, the light guide frame is arranged around the triggering post. After a light beam emitted by the light-emitting element is introduced into the housing, the light beam is guided to the light guide frame by the light guide element, and the light beam is scattered to a region around the triggering post and outputted from the keycap.
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Patent Agency Ranking
公开(公告)号：US11567599B1
公开(公告)日：2023-01-31
申请号：US17508732
申请日：2021-10-22
Applicant: Primax Electronics Ltd.
Inventor： Wei-Ping Chan , Wei-Chiang Huang
Abstract: A touch panel and a manufacturing method of the touch panel are provided. The touch panel includes a touch circuit board, a cover plate and a glue layer. The glue layer is arranged between the touch circuit board and the cover plate to bond the touch circuit board and the cover plate. The glue layer contains an epoxy resin main agent and an epoxy resin hardener.
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公开(公告)号：US11454755B1
公开(公告)日：2022-09-27
申请号：US17483766
申请日：2021-09-23
Applicant: Primax Electronics Ltd.
Inventor： Wei-Ping Chan
IPC: F21S43/236 , F21V8/00 , F21V5/04
Abstract: A light emitting structure includes a light guide ring and a plurality of light emitting elements. The light guide ring has a plurality of light guide portions connected in sequence, and each of the light guide portions includes a light source receiving end and a connecting portion opposite to each other, in which one of the light guide portions is connected to another of the light guide portions, and an inner side or an outer side of the one of the light guide portions is connected to the connecting portion of the other of the light guide portions. The light emitting elements are laterally adjacent to the light source receiving ends of the light guide portions, respectively.
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公开(公告)号：US10900493B2
公开(公告)日：2021-01-26
申请号：US16363529
申请日：2019-03-25
Applicant: Primax Electronics Ltd.
Inventor： Wei-Chiang Huang , Wei-Ping Chan
Abstract: A luminous fan includes a fan frame, a main circuit board, a light guide element and a light-guiding impeller. The main circuit board is disposed on a bracket of the fan frame and includes a first light-emitting element. The light guide element is located over the main circuit board, and includes a light input surface and light output surface. A light guide post is disposed on the light input surface. A reflective structure is formed on the light output surface. The light-guiding impeller is pivotally coupled to the bracket. The first light-emitting element emits a first light beam. After the first light beam is transmitted to the reflective structure through the light guide post, the first light beam is reflected by the at least one reflective structure and diffused toward a middle region of the light guide element.
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公开(公告)号：US11746968B1
公开(公告)日：2023-09-05
申请号：US18122568
申请日：2023-03-16
Applicant: Primax Electronics Ltd.
Inventor： Wei-Ping Chan , Ruey-Piin Wang , Chia-Ming Li , Yin-Liang Hu , Ming-Han Yu
CPC classification number: F21S4/28 , F21V13/04 , F21V17/06 , F21V2200/20
Abstract: A miniature backlight kit includes a covering member, a light-shading element, a light guide element, a housing and a light-emitting unit. The light-emitting unit is disposed within a first concave structure of the light-shading element. The light-shading element is disposed within a second concave structure of the light guide element. The light guide element is covered by the lateral wall of the housing. The light-emitting unit emits a light beam. The light beam is reflected to the lateral wall of the housing by the light guide element. Consequently, a luminance gradient region is formed on the surface of the lateral wall of the housing.
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公开(公告)号：US20220163188A1
公开(公告)日：2022-05-26
申请号：US17159477
申请日：2021-01-27
Applicant: Primax Electronics Ltd.
Inventor： Wei-Chiang Huang , Ming-Hui Yeh , Wei-Ping Chan
Abstract: A keyboard device and a backlight module of the keyboard device are provided. The keyboard device includes a casing, the backlight module, a keyboard module and an expansion module. The backlight module includes a main body region and an extension region. The main body region and the extension region are connected with each other. A first light beam is outputted from the main body region to plural keys of the keyboard device. A second light beam is outputted from the extension region to the expansion module.
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