Power supply device, display device including the power supply device, and driving method using the same

US9136754B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9136754-B2
Application numberUS-65944510-A
CountryUS
Kind codeB2
Filing dateMar 9, 2010
Priority dateAug 18, 2009
Publication dateSep 15, 2015
Grant dateSep 15, 2015

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  1. Title

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  2. Abstract

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  5. First independent claim

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Abstract

Official abstract text for this publication.

The described technology relates generally to a power supply, a display device including the same, and a driving method thereof to reduce power consumption of the display device. Embodiments include a power source voltage controller sensing a panel current flowing in the display panel and controlling a feedback voltage according to the panel current and the power source voltage, and a DC-DC converter generating a power source voltage according to the feedback voltage to respectively supply it to the plurality of light emitting elements.

First claim

Opening claim text (preview).

What is claimed is: 1. A power supply employable for supplying a power source voltage including a first power source voltage and a second power source voltage to a panel including a plurality of elements, the power supply comprising: a power source voltage controller to generate panel current data corresponding to a total current flowing in the plurality of elements of the panel by varying the second power source voltage within a predetermined range and fixing the first power sour…

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What does patent US9136754B2 cover?
The described technology relates generally to a power supply, a display device including the same, and a driving method thereof to reduce power consumption of the display device. Embodiments include a power source voltage controller sensing a panel current flowing in the display panel and controlling a feedback voltage according to the panel current and the power source voltage, and a DC-DC con…
Who is the assignee on this patent?
Ahn Jung-Keun, Kawashima Shingo, Samsung Display Co Ltd
What technology area does this patent fall under?
Primary CPC classification H02M3/07. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Sep 15 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).