IP Library Granted Patent US 8,432,341
Granted Patent B2
US 8,432,341 · App. 12/381,590 · Granted Apr 30, 2013

Color sequence control for video display apparatus

Inventors: Akira Shirai (Tokyo, JP); Fusao Ishii (Menlo Park, CA)
Assignee: Silicon Quest Kabushiki-Kaisha
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Quick Facts
Patent No.
US 8,432,341
App. No.
12/381,590
Granted
Apr 30, 2013
Kind
B2
Abstract

A video display apparatus is provided, comprising: a light source(s) controllable for emitting a plurality of reference colors; a color conversion circuit received an input video signal for generating the color data of at least one correction color for correcting a reference color emitted from a light source; an image processing unit receives the input video signal for generating an output video signal comprising a plurality of sub-frame signals; and a control circuit applies the color data generated by the color conversion circuit for controlling a light source to display color images.

Claims (46)

1. A video display apparatus comprising:

an adjustable light source for emitting a plurality colors;

a color distribution determination circuit receives and applies an input video signal comprising a plurality of color data to determine and change a color distribution for displaying an image;

a control circuit receives the color distribution from the color determination circuit and applies the color distribution for controlling and changing the adjustable light source for displaying video images with color distribution determined and changed by the color distribution determination circuit; and

an image signal processing unit receives the input video signal including input frame signals the image signal processing unit further processes each of the input frame signals into a plurality of output sub-frame signals with a number of the output sub-frame signals greater than a number of the input frame signals.

2. The video display apparatus according to claim 1 further comprising:

the image signal processing unit further processes the input frame signals to generate the output sub-frame signals and changing the color distributions for each of the output sub-frame signals.

3. The video display apparatus according to claim 1 , wherein:

the control circuit further controls and adjusts an emission light intensity of the adjustable light source for each of the sub-frames.

4. The video display apparatus according to claim 1 , wherein:

the control circuit further receives a gray scale data to control and adjust an emission light intensity of the adjustable light source for each of the sub-frames in accordance with the gray scale data.

5. The video display apparatus according to claim 1 , wherein:

the adjustable light source further comprises a plurality of sub-sources and the control circuit further applies the color distribution to control and adjust an emission light intensity of each of the light sources.

6. The video display apparatus according to claim 1 , wherein:

the adjustable light source further includes a plurality of semiconductor light sources for emitting illumination lights of at least three primary colors.

7. The video display apparatus according to claim 1 , wherein:

the adjustable light source further includes a plurality of semiconductor light sources for emitting illumination lights of at least six colors.

8. The video display apparatus according to claim 1 , wherein:

the adjustable light source further includes a plurality of semiconductor light sources for emitting illumination lights of at least nine colors.

9. The video display apparatus according to claim 1 , wherein:

the adjustable light source further comprises a plurality of sub-sources; and

the control circuit further controls at least one or more of the sub-sources to emit light for one of the output sub-frame.

10. The video display apparatus according to claim 1 , wherein:

the adjustable light source further comprises a plurality of sub-sources; and

the control circuit further control at least two or more of the sub-sources to emit light for one of the output sub-frame.

11. A video display apparatus comprising:

an adjustable light source comprising a plurality of adjustable sub-sources for emitting a plurality of lights with different colors;

a color distribution determination circuit receives and applies an input video signal comprises a plurality of color data for determining a color distribution for displaying an image;

a control circuit receives the color distribution from the color distribution circuit and applies the color distribution for changing the emission sequence of the sub-sources within one frame for displaying an image according to an output sequence generated and controlled by the control circuit;

the light source comprising the sub-sources emitting the lights of at least a primary color and a color complementary to the primary color; and

an image signal processing unit receives the input video signal including input frame signals, the image signal processing unit further processes each of the input frame signals into a plurality of output sub-frame signals with a number of the output sub-frame signals greater than a number of the input frame signals.

12. The video display apparatus according to claim 11 , wherein:

the control circuit receives and applies sub-frame signals to display a sub-frame image for at least one of the sub-frames with one of the primary colors.

13. The video display apparatus according to claim 11 , wherein:

the control circuit for applies the sub-frame signals to display a sub-frame image for at least one of the sub-frames with one of the primary colors and at least another sub-frames with a complimentary color.

14. The video display apparatus according to claim 11 , wherein:

the control circuit for applying the sub-frame signals to change the output sequences of a sub-frame for displaying a sub-frame video image of the primary color and a sub-frame of the complementary color.

15. The video display apparatus according to claim 11 , wherein:

the control circuit to control the light sources for emitting the three primary colors to combine and generate a complementary color.

16. The video display apparatus according to claim 11 , further comprising:

a setup circuit for receiving an input video signal including a gray scale data to control an output sequence for displaying an image in accordance with the gray scale data.

17. A video display apparatus comprising:

an adjustable light source comprising a plurality of adjustable sub-sources for emitting a plurality of lights with different colors;

a color distribution determination circuit receives and applies an input video signal comprises a plurality of color data for determining a color distribution for displaying an image;

a control circuit receives the color distribution from the color distribution circuit and applies the color distribution for changing the emission sequence of the sub-sources within one frame for displaying an image according to an output sequence generated and controlled by the control circuit: a setup circuit for receiving an input video signal including a gray scale data to control an output sequence for displaying an image in accordance with the gray scale data;

the setup circuit further changes the output sequences when the video display apparatus receives a signal to operate in a color emphasis mode.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 19, 2018
From: SILICON QUEST KABUSHIKI-KAISHA(JP); OLYMPUS CORPORATION (JP)
To: IGNITE, INC
Reel/Frame 047238/0291 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 6, 2009
From: SHIRAI, AKIRA; ISHII, FUSAO
To: SILICON QUEST KABUSHIKI-KAISHA; OLYMPUS CORPORATION
Reel/Frame 022511/0335 →
Continuity (8)
Continuation In Part 12074033 · Mar 1, 2008
Continuation In Part 11121543 · May 4, 2005
Continuation In Part 10698620 · Nov 1, 2003
Continuation In Part 10698620 · Nov 1, 2003
Continuation In Part 10699140 · Nov 1, 2003
Continuation In Part 10699143 · Nov 1, 2003
Provisional Application 61069419 · Mar 15, 2008
Related Publication 20090174824A1 · Jul 9, 2009