DISPLAY APPARATUS AND METHOD FOR IMPROVING IMAGE QUALITY THEREOF
First Claim
1. A display apparatus comprising:
- a liquid crystal panel;
a light guide plate disposed at a rear side of the liquid crystal panel;
at least one LED module disposed in at least one side of the light guide plate and comprising a plurality of LEDs;
a driver which drives the plurality of LEDs;
an image analyzer which analyzes an input image; and
a switch unit which turns off at least one LED among the plurality of LEDs while a remainder of the plurality of LEDs are being driven by the driver, according to a result of the analyzing the input image,wherein the at least one LED is disposed closer to a corner of the liquid crystal panel than the remainder of the plurality of LEDs.
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Accused Products
Abstract
A display apparatus includes a liquid crystal panel; a light guide plate disposed at a rear side of the liquid crystal panel; at least one LED module disposed in at least one side of the light guide plate and including a plurality of LEDs; a driver which drives the plurality of LEDs; an image analyzer which analyzes an input image; and a switch unit which turns off at least one LED among the plurality of LEDs while a remainder of the plurality of LEDs are being driven by the driver, according to a result of the analyzing the input image, wherein the at least one LED is disposed closer to a corner of the liquid crystal panel than the remainder of the plurality of LEDs.
69 Citations
20 Claims
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1. A display apparatus comprising:
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a liquid crystal panel; a light guide plate disposed at a rear side of the liquid crystal panel; at least one LED module disposed in at least one side of the light guide plate and comprising a plurality of LEDs; a driver which drives the plurality of LEDs; an image analyzer which analyzes an input image; and a switch unit which turns off at least one LED among the plurality of LEDs while a remainder of the plurality of LEDs are being driven by the driver, according to a result of the analyzing the input image, wherein the at least one LED is disposed closer to a corner of the liquid crystal panel than the remainder of the plurality of LEDs. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method for improving image quality of a display apparatus which comprises a liquid crystal panel, a light guide plate disposed at a rear side of the liquid crystal panel, and at least one LED module disposed in at least one side of the light guide plate and comprising a plurality of LEDs, the method comprising:
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driving the plurality of LEDs; analyzing an input image; and turning off at least one LED among the plurality of LEDs while a remainder of the plurality of LEDs are being driven, according to a result of the analyzing the input image, wherein the at least one LED is disposed closer to a corner of the liquid crystal panel than the remainder of the plurality of LEDs.
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16. A display apparatus comprising:
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a display substrate on which an input image is displayed; a light guide plate disposed at a rear side of the display substrate; at least one light source module disposed in at least one side of the light guide and comprising a plurality of light sources; and a controller which turns on and off at least one light source among the plurality of light sources while a remainder of the plurality of light sources are turned on to display the input image on the display substrate. - View Dependent Claims (17, 18, 19, 20)
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Specification