US 2013/0278595 A1Published application

Three-Dimensional Display Device and Display Control Method Thereof

AssigneeShenzhen China Star Optoelectronics Technology Co., Ltd.

InventorChih-tsung Kang

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Abstract

The present invention provides a three-dimensional display device and display control method thereof, wherein controlling a plurality of backlight units to activate simultaneously when a lowermost display area receiving drive signal of an image frame and when the liquid crystal in the lowermost display area completely responded, and each of backlight units being closed when corresponding display area starting to receive another image frame; wherein drive current of the backlight unit corresponding to each display area being used to control the luminance of each display area. With this, the present invention can reduce the crosstalk caused by the three-dimensional display device, resulting in the reduction of residual image and improving the three-dimensional display effect and viewing experience.

Claims11

Dependent claims

A three-dimensional display device, which comprises:

a liquid crystal display panel, the liquid crystal display panel displaying left-eye image frame and right-eye image frame alternatingly, the liquid crystal display panel being divided into a plurality of display areas distributed continuously and sequentially, and driving being conducted in top-down scanning manner sequentially to drive the plurality of display areas;
a plurality of backlight units, each of backlight units corresponding to each of display areas, the plurality of backlight units activating simultaneously when the lowermost display area receiving drive signal of an image frame and when the liquid crystal in the lowermost display area completely responded, and each of backlight units being closed when corresponding display area starting to receive another image frame;
wherein drive current of the backlight unit corresponding to each display area being used to control luminance of each display area;
the plurality of display areas being a first display area to Nth display area distributed on the liquid crystal panel from top-down continuously and sequentially;
the plurality of backlight units being a first to Nth backlight units corresponding to N display areas respectively;
luminance of N display areas being B1, B2, . . . , Bn, respectively;
activation durations of the N backlight units being not the same, and being T1, T2, . . . , Tn, respectively, N being an integer equal to or greater than 2;
the luminance of each of the N display areas and the activation duration of each of the N backlight units satisfying following equation:
B1*T1=B2*T2= . . . =Bn*Tn

6 more elements

A three-dimensional display device, which comprises:

a liquid crystal display panel, the liquid crystal display panel displaying left-eye image frame and right-eye image frame alternatingly, the liquid crystal display panel being divided into a plurality of display areas distributed continuously and sequentially, and driving being conducted in top-down scanning manner sequentially to drive plurality of display areas;
a plurality of backlight units, each of backlight units corresponding to each of display areas, the plurality of backlight units activating simultaneously when the lowermost display area receiving drive signal of an image frame and when the liquid crystal in the lowermost display area completely responded, and each of backlight units being closed when corresponding display area starting to receive another image frame;
wherein drive current of the backlight unit corresponding to each display area being used to control luminance of each display area.

A display control method of three-dimensional display device, which comprises:

controlling a liquid crystal display panel to display left-eye image frame and right-eye image frame alternatingly, the liquid crystal display panel being divided into a plurality of display areas distributed continuously and sequentially, and driving being conducted in top-down scanning manner sequentially to drive plurality of display areas;
disposing a plurality of backlight units, each of backlight units corresponding to each of display areas, controlling the plurality of backlight units to activate simultaneously when lowermost display area receiving drive signal of an image frame and when the liquid crystal in the lowermost display area completely responded, and each of backlight units being closed when corresponding display area starting to receive another image frame;
wherein drive current of the backlight unit corresponding to each display area being used to control the luminance of each display area.

Dependencies are inferred from the claim text.

Facts

Application: 13/513,305Filed 26 Apr 2012
Priority: CN 201210117390.119 Apr 2012
Published: 24 Oct 2013
Term ends: Not estimatedThe source records don’t support an estimate.

Classification9 codes

H04N 13/30
Stereoscopic video systems; Multi-view video systems; Details thereof: image reproducers
G09G 3/003
Using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide;…
H04N 13/341
Displays for viewing with the aid of special glasses or head-mounted displays [HMD]: using temporal multiplexing
H04N 13/398
Image reproducers: synchronisation thereof; Control thereof

Family

US 9,030,401 B2Related patent
US 2013/0278595 A1This patent

From the US filing history. Foreign family members aren’t listed.

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