Patent
   D967507
Priority
Dec 17 2020
Filed
Dec 17 2020
Issued
Oct 18 2022
Expiry
Oct 18 2037
Assg.orig
Entity
unknown
0
12
n/a
The ornamental design for a light guide plate used in keyboard, as shown and described.

FIG. 1 is a perspective view of a light guide plate used in keyboard showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is another perspective view thereof; and,

FIG. 9 is another front elevational view shown while in use.

The broken lines showing portions of the light guide plate used in keyboard depict portions of the article and form no part of the claimed design. The broken lines showing LEDs in FIG. 9 depict environmental structure and form no part of the claimed design. The center lines showing on the surface of the light guide plate used in keyboard depict the article is transparent.

Hsu, Chin-Hung, Lee, Wen-Yu, Chang, Yung-Shin

Patent Priority Assignee Title
Patent Priority Assignee Title
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7648256, Oct 14 2005 Kabushiki Kaisha Toshiba Lighting system having lenses for light sources emitting rays at different wavelengths
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20140185322,
D564699, Jun 27 2005 Lecip Corporation Low profile light source
D608807, Apr 08 2009 Foxsemicon Integrated Technology, Inc. Optical lens
D623674, Mar 21 2009 Foxsemicon Integrated Technology, Inc. Optical lens
D681262, Jul 24 2012 Light guide plate
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 09 2020LEE, WEN-YUGLOBAL LIGHTING TECHNOLOGY INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0546870748 pdf
Dec 09 2020HSU, CHIN-HUNGGLOBAL LIGHTING TECHNOLOGY INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0546870748 pdf
Dec 09 2020CHANG, YUNG-SHINGLOBAL LIGHTING TECHNOLOGY INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0546870748 pdf
Dec 17 2020GLOBAL LIGHTING TECHNOLOGY INC.(assignment on the face of the patent)
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