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US 11,238,780 B2Granted
Displays with movable privacy gates
AssigneeHewlett-Packard Development Company, L.P.
InventorsKuan-Ting Wu, Wei-Chung Chen, Hui He
Life of this patent
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Abstract
In one example, a display is described, which may include a plurality of spaced light emitting device packages, a privacy gate having partition walls to partition each of the plurality of spaced light emitting device packages, and a control unit to selectively move the partition walls up or down relative to the plurality of spaced light emitting device packages to control a viewing angle of the display.
Claims11
A display comprising:
- a plurality of spaced light emitting device packages;
- a privacy gate having partition walls to partition each of the plurality of spaced light emitting device packages;
- an optical film disposed above the privacy gate, wherein the optical film comprises an asymmetric turning film, an asymmetrical prism film, a prism film, a brightness enhancement film (BEF), a dual brightness enhancement film (DBEF), a diffuser, a polarizer film, a retardation film, or any combination thereof;
- and
- a control unit to selectively move the partition walls up or down relative to the plurality of spaced light emitting device packages to control a viewing angle of the display.
2 more elements
An electronic device comprising:
- a display comprising:
- a backplane having a plurality of spaced light-emitting diode (LED) packages;
- a privacy gate having partition walls to partition each of the plurality of spaced LED packages, wherein the privacy gate is a grid shaped structure formed by a plurality of intersecting rows and columns of the partition walls, and wherein each LED package is accommodated in a respective space defined by the intersecting rows and columns of the partition walls;
- and
- an optical film disposed above the privacy gate, wherein the optical film comprises an asymmetric turning film, an asymmetrical prism film, a prism film, a brightness enhancement film (BEF), a dual brightness enhancement film (DBEF), a diffuser, a polarizer film, a retardation film, or any combination thereof;
- and
- a control unit to selectively move the partition walls up or down relative to the plurality of spaced LED packages to control a viewing angle of the display.
4 more elements
Dependencies are inferred from the claim text.