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US Patent 11994268 Illumination apparatus

Patent 11994268 was granted and assigned to Optovate Limited on May, 2024 by the United States Patent and Trademark Office.

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Contents

Is a
Patent
Patent
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Patent attributes

Patent Applicant
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Optovate Limited
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Current Assignee
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Optovate Limited
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
119942680
Patent Inventor Names
Jonathan Harrold0
Graham J. Woodgate0
Date of Patent
May 28, 2024
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Patent Application Number
179885500
Date Filed
November 16, 2022
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Patent Citations
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US Patent 8721115 Light reflective structure and light panel
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US Patent 8794792 Optical spill light reducer for luminaires
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US Patent 9519153 Directional flat illuminators
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US Patent 10121772 Display apparatus
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US Patent 10126575 Optical stack for privacy display
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US Patent 10303030 Reflective optical stack for privacy display
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US Patent 11063193 Colour micro-LED display apparatus
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US Patent 10533730 Illumination apparatus
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...
Patent Primary Examiner
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Alia Sabur
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CPC Code
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H01L 33/36
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H01L 2224/95
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H01L 29/0684
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H01L 33/0093
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H01L 21/0272
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Patent abstract

An illumination apparatus comprises a plurality of LEDs aligned to an array of directional optical elements wherein the LEDs are substantially at the input aperture of respective optical elements. An electrode array is formed on the array of optical elements to provide at least a first electrical connection to the array of LED elements. Advantageously such an arrangement provides low cost and high efficiency from the directional LED array.

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