Invention Grant
- Patent Title: Illumination structure for uniform illumination of keys
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Application No.: US15261972Application Date: 2016-09-11
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Publication No.: US10310167B2Publication Date: 2019-06-04
- Inventor: Robert Y. Cao , Craig C. Leong , Bradford J. Zercoe , Dinesh C. Mathew , Mahesh Krishnamurthi , Jun Qi , Rong Liu , Victor H. Yin
- Applicant: Apple Inc.
- Applicant Address: US CA Cupertino
- Assignee: APPLE INC.
- Current Assignee: APPLE INC.
- Current Assignee Address: US CA Cupertino
- Agency: Dorsey & Whitney LLP
- Main IPC: F21V8/00
- IPC: F21V8/00 ; G06F1/16 ; H01H13/02 ; H01H13/14 ; H01H13/83 ; H01H13/7065
Abstract:
Described is an illumination structure for a key of a keyboard. The illumination structure is used to uniformly illuminate the key and any glyphs that are present on the key. The illumination structure includes a light guide having various features that increase total internal reflection and also illuminate the glyphs of the key.
Public/Granted literature
- US20170090106A1 ILLUMINATION STRUCTURE FOR UNIFORM ILLUMINATION OF KEYS Public/Granted day:2017-03-30
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