Invention Grant
- Patent Title: Lighting keyboard, backlight module and lighting board
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Application No.: US18297020Application Date: 2023-04-07
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Publication No.: US11881363B2Publication Date: 2024-01-23
- Inventor: Ying-Lan Liu , Hsin-Cheng Ho , Heng-Yi Huang
- Applicant: DARFON ELECTRONICS CORP.
- Applicant Address: TW Taoyuan
- Assignee: DARFON ELECTRONICS CORP.
- Current Assignee: DARFON ELECTRONICS CORP.
- Current Assignee Address: TW Taoyuan
- Agent Winston Hsu
- Priority: TW 1113486 2022.04.08 TW 2108658 2023.03.09 TW 2110265 2023.03.20 TW 2111749 2023.03.28
- Main IPC: H01H13/83
- IPC: H01H13/83 ; F21V8/00 ; H01H13/705 ; H01H13/02 ; H01H3/12
Abstract:
A backlight module is configured to illuminate at least one key cap. The backlight module includes a light emitting unit, a light guide plate and a lighting board. The light guide plate has a light guide hole for accommodating the light emitting unit. The lighting board has a pair of pads connected to the light emitting unit respectively. The lighting board includes a first reflective layer surrounding the light emitting unit and at least partially covering the pair of pads. Each of the pair of pads has a plurality of branches and at least one hollow area. The at least one hollow area overlaps with at least one part of the light emitting unit.
Public/Granted literature
- US20230343525A1 LIGHTING KEYBOARD, BACKLIGHT MODULE AND LIGHTING BOARD Public/Granted day:2023-10-26
Information query
