US Patent 7635215 Optical sheet and backlight unit using the same
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Patent Inventor Names
Jae Hyun Park0
Man Hoan Lee0
Won Taek Moon0
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Patent abstract
An optical sheet and a backlight unit using the same are disclosed, in which deviation of a viewing angle is minimized to improve picture quality. The optical sheet includes a diffusion sheet provided with a plurality of diffusion patterns diffusing incident light in at least two directions to allow the incident light to have different strengths.
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US Patent 07635215 Optical sheet and backlight unit using the same US Patent 7635215 Optical sheet and backlight unit using the same
Infobox
Patent Number
076352150
Patent Number
76352150
Edits on 27 Sep, 2022
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Patent Jurisdiction
Patent Number
076352150
Date of Patent
December 22, 2009
0Patent Application Number
114768480
Date Filed
June 29, 2006
0Official Website
Patent Primary Examiner
Edits on 18 Jun, 2022
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US Patent 07635215 Optical sheet and backlight unit using the same
Infobox
Is a
Patent jurisdiction
Patent number
07635215
Date of patent
December 22, 2009
Patent application number
11476848
Date Filed
June 29, 2006
Patent primary examiner
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