US Patent 7658531 Backlight unit having improved chromatic dispersion
Patent 7658531 was granted and assigned to Samsung on February, 2010 by the United States Patent and Trademark Office.
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Patent abstract
Provided is a backlight device that includes: a light guide panel having a diffraction pattern for emitting light through an emission surface of the light guide panel by diffracting light entering the light guide panel; and a chromatic dispersion compensation member that is an optical transmitting member located on a light emission side of the light guide panel and has a lattice pattern having a depth in a direction vertical to the emission surface of the light guide panel.
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US Patent 07658531 Backlight unit having improved chromatic dispersion US Patent 7658531 Backlight unit having improved chromatic dispersion
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Patent Number
0765853100
Patent Number
765853100
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
076585310
Date of Patent
February 9, 2010
0Patent Application Number
118721280
Date Filed
October 15, 2007
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
076585310
Date of Patent
February 9, 2010
0Patent Application Number
118721280
Date Filed
October 15, 2007
0Official Website
Patent Primary Examiner
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US Patent 07658531 Backlight unit having improved chromatic dispersion
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07658531
Date of patent
February 9, 2010
Patent application number
11872128
Date Filed
October 15, 2007
Patent primary examiner
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