USD967507S1 - Light guide plate used in keyboard - Google Patents
Light guide plate used in keyboard Download PDFInfo
- 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
Links
- 230000007613 environmental effect Effects 0.000 description 1
Images
Description
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)
- The ornamental design for a light guide plate used in keyboard, as shown and described.
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 |
Country Status (1)
Country | Link |
---|---|
US (1) | USD967507S1 (en) |
Citations (12)
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 |
-
2020
- 2020-12-17 US US29/762,711 patent/USD967507S1/en active Active
Patent Citations (12)
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)
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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