Keyboard backlight module and applications thereof

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11815708
APP PUB NO 20230138295A1
SERIAL NO

18088760

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A backlit keyboard includes key switches and a backlight module. The backlight module includes a light guide plate, a reflecting surface, and at least one light-emitting device. The light guide plate is provided with light-guiding dots disposed on a bottom surface thereof. A light-shielding layer disposed on the light guide plate has a light-shielding portion and a light-transmitting portion corresponding to at least one of the key switches. The reflecting surface faces the bottom surface of the light guide plate, and a pattern at least partially overlaps the light-shielding portion. A first light-emitting device and a second light-emitting device are disposed in an opening of the light guide plate, and the first light-emitting device and the second light-emitting device face respective sidewalls of the opening. The first light-emitting device is located underneath the light-shielding portion.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
LITE-ON TECHNOLOGY CORPORATIONTAIPEI
LITE-ON ELECTRONICS (GUANGZHOU) LIMITEDNO 25 GUANGPU W RD GUANGZHOU SCIENCE CITY GUANGZHOU HI-TECH INDUSTRIAL DEVELOPMENT ZONE GUANGZHOU

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liang, Hsin-Chih Taipei, TW 10 49

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