USD967507S1 - Light guide plate used in keyboard - Google Patents

Light guide plate used in keyboard Download PDF

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Publication number
USD967507S1
USD967507S1 US29/762,711 US202029762711F USD967507S US D967507 S1 USD967507 S1 US D967507S1 US 202029762711 F US202029762711 F US 202029762711F US D967507 S USD967507 S US D967507S
Authority
US
United States
Prior art keywords
keyboard
light guide
guide plate
plate used
view
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
US29/762,711
Inventor
Wen-Yu Lee
Chin-Hung Hsu
Yung-Shin Chang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Global Lighting Technologies Inc
Original Assignee
Global Lighting Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Global Lighting Technologies Inc filed Critical Global Lighting Technologies Inc
Priority to US29/762,711 priority Critical patent/USD967507S1/en
Assigned to GLOBAL LIGHTING TECHNOLOGY INC. reassignment GLOBAL LIGHTING TECHNOLOGY INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHANG, YUNG-SHIN, HSU, CHIN-HUNG, LEE, WEN-YU
Application granted granted Critical
Publication of USD967507S1 publication Critical patent/USD967507S1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Description

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.

Claims (1)

    CLAIM
  1. The ornamental design for a light guide plate used in keyboard, as shown and described.
US29/762,711 2020-12-17 2020-12-17 Light guide plate used in keyboard Active USD967507S1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US29/762,711 USD967507S1 (en) 2020-12-17 2020-12-17 Light guide plate used in keyboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29/762,711 USD967507S1 (en) 2020-12-17 2020-12-17 Light guide plate used in keyboard

Publications (1)

Publication Number Publication Date
USD967507S1 true USD967507S1 (en) 2022-10-18

Family

ID=83595323

Family Applications (1)

Application Number Title Priority Date Filing Date
US29/762,711 Active USD967507S1 (en) 2020-12-17 2020-12-17 Light guide plate used in keyboard

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US (1) USD967507S1 (en)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040075994A1 (en) * 2002-10-18 2004-04-22 Kuo Hong Huang Radial type light-guiding plate
US6924943B2 (en) * 2002-12-02 2005-08-02 Light Prescriptions Innovators, Llc Asymmetric TIR lenses producing off-axis beams
US7239444B2 (en) * 2003-09-29 2007-07-03 Konica Minolta Holdings, Inc. Display front plane, display lenticular lens, and display fresnel lens
US20070165303A1 (en) * 2004-11-25 2007-07-19 Dai Nippon Printing Co., Ltd. Fresnel lens sheet and rear projection screen
USD564699S1 (en) * 2005-06-27 2008-03-18 Lecip Corporation Low profile light source
US7648256B2 (en) * 2005-10-14 2010-01-19 Kabushiki Kaisha Toshiba Lighting system having lenses for light sources emitting rays at different wavelengths
USD608807S1 (en) * 2009-04-08 2010-01-26 Foxsemicon Integrated Technology, Inc. Optical lens
US20100226022A1 (en) * 2009-03-05 2010-09-09 Glory Science Co., Ltd. Fresnel lens, the apparatus and the method of manufacturing thereof
USD623674S1 (en) * 2009-03-21 2010-09-14 Foxsemicon Integrated Technology, Inc. Optical lens
US20110149418A1 (en) * 2009-12-17 2011-06-23 Takayoshi Togino Fresnel optical element and optical system using the same
USD681262S1 (en) * 2012-07-24 2013-04-30 Sang Chul Lee Light guide plate
US20140185322A1 (en) * 2012-12-28 2014-07-03 Innolux Corporation Light guiding plate, backlight module and display device using the same

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040075994A1 (en) * 2002-10-18 2004-04-22 Kuo Hong Huang Radial type light-guiding plate
US6924943B2 (en) * 2002-12-02 2005-08-02 Light Prescriptions Innovators, Llc Asymmetric TIR lenses producing off-axis beams
US7239444B2 (en) * 2003-09-29 2007-07-03 Konica Minolta Holdings, Inc. Display front plane, display lenticular lens, and display fresnel lens
US20070165303A1 (en) * 2004-11-25 2007-07-19 Dai Nippon Printing Co., Ltd. Fresnel lens sheet and rear projection screen
USD564699S1 (en) * 2005-06-27 2008-03-18 Lecip Corporation Low profile light source
US7648256B2 (en) * 2005-10-14 2010-01-19 Kabushiki Kaisha Toshiba Lighting system having lenses for light sources emitting rays at different wavelengths
US20100226022A1 (en) * 2009-03-05 2010-09-09 Glory Science Co., Ltd. Fresnel lens, the apparatus and the method of manufacturing thereof
USD623674S1 (en) * 2009-03-21 2010-09-14 Foxsemicon Integrated Technology, Inc. Optical lens
USD608807S1 (en) * 2009-04-08 2010-01-26 Foxsemicon Integrated Technology, Inc. Optical lens
US20110149418A1 (en) * 2009-12-17 2011-06-23 Takayoshi Togino Fresnel optical element and optical system using the same
USD681262S1 (en) * 2012-07-24 2013-04-30 Sang Chul Lee Light guide plate
US20140185322A1 (en) * 2012-12-28 2014-07-03 Innolux Corporation Light guiding plate, backlight module and display device using the same

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
A review of recent advances in fabrication of optical Fresnel lenses, first available Nov. 2021, retrieved Aug. 1, 2022 from URL: https://www.sciencedirect.com/science/article/pii/S1526612521006721 (Year: 2021). *
Graded-index Fresnel lenses for integrated optics, Copyright 1982, retrieved Aug. 1, 2022 from URL: https://opg.optica.org/ao/fulltext.cfm?uri=ao-21-11-1966&id=25843 (Year: 1982). *

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