Akihiro Takagi

US Patent:

8358260, Jan 22, 2013

Filed:

Apr 6, 2009

Appl. No.:

12/384500

Inventors:

Akihiro Takagi - San Mateo CA, US
Cheng-Shih Chin - Campbell CA, US
Yanli Zhang - San Jose CA, US
Maximino Vasquez - Fremont CA, US

Assignee:

Intel Corporation - Santa Clara CA

International Classification:

G09G 3/36

US Classification:

345 98, 345 88, 345 89, 345 92, 345 94, 345102

Abstract:

A display device may include a flat panel display, and a controller coupled to the flat panel display. The controller may be configured to determine an operating mode for the flat panel display among a plurality of operating modes including at least a first operating mode and a second operating mode. In the first operating mode, the controller may set the flat panel display to utilize a first frame rate and a first inversion mode to save power. In the second operating mode, the controller may set the flat panel display to utilize a second frame rate, a second inversion mode, and a black frame insertion to improve image quality. The second frame rate may be faster than the first frame rate. The second inversion mode and black frame insertion may be mutually configured to maintain a DC balanced operation of the flat panel display.

US Patent:

8578192, Nov 5, 2013

Filed:

Jun 30, 2008

Appl. No.:

12/165249

Inventors:

Maximino Vasquez - Fremont CA, US
Akihiro Takagi - San Mateo CA, US
Yanli Zhang - San Jose CA, US
Achintya K. Bhowmik - Milpitas CA, US

Assignee:

Intel Corporation - Santa Clara CA

International Classification:

G06F 1/32
G09G 5/00

US Classification:

713320, 345211, 345212

Abstract:

Some embodiments describe techniques that relate to power efficient, high frequency displays with motion blur mitigation. In one embodiment, the refresh rate of a display device may be dynamically modified, e. g. , to reduce power consumption and/or reduce motion blur. Other embodiments are also described.

US Patent:

20080036728, Feb 14, 2008

Filed:

Aug 10, 2006

Appl. No.:

11/503228

Inventors:

Akihiro Takagi - San Mateo CA, US
David Williams - San Jose CA, US
Achintya K. Bhowmik - Milpitas CA, US
Jim Kardach - Saratoga CA, US

International Classification:

G09G 3/36

US Classification:

345102

Abstract:

A method and system to reduce power consumption of a display includes using a matrix of light sources to illuminate pixels in display segments. The light sources may be light emitting diodes (LED). An LED may be associated with a display segment. The intensity level of an LED may be individually controlled.

US Patent:

20090322795, Dec 31, 2009

Filed:

Jun 30, 2008

Appl. No.:

12/164704

Inventors:

Maximino Vasquez - Fremont CA, US
Achintya Bhowmik - Milpitas CA, US
Yanli Zhang - San Jose CA, US
Akihiro Takagi - San Mateo CA, US

International Classification:

G09G 5/10

US Classification:

345690, 382168

Abstract:

A system, apparatus and method to reduce power consumption for displays is described. The method may include receiving image data comprising a plurality of color components, generating a histogram for each of the plurality of color components, and adjusting each of a plurality of light sources based on the histograms. The plurality of light sources may correspond to the plurality of color components. Other embodiments are described and claimed.

US Patent:

20100328333, Dec 30, 2010

Filed:

Jun 30, 2009

Appl. No.:

12/459424

Inventors:

Jun Shi - San Jose CA, US
Akihiro Takagi - San Mateo CA, US
Robert J. Brennan - San Mateo CA, US
Seh W. Kwa - Saratoga CA, US
Yanli S. Zhang - San Jose CA, US

International Classification:

G09G 5/02

US Classification:

345589

Abstract:

In some embodiments one or more areas of interest to a user of a display screen are determined. Portions of the display screen other than the one or more areas of interest are dimmed. Other embodiments are described and claimed.

US Patent:

20110157212, Jun 30, 2011

Filed:

Dec 29, 2009

Appl. No.:

12/655354

Inventors:

Yanli Zhang - San Jose CA, US
Akihiro Takagi - San Mateo CA, US
Sunil Jain - Portland OR, US

International Classification:

G09G 5/02

US Classification:

345590

Abstract:

Techniques are described that can be used to provide color space conversion for images and video to a display color gamut space. Some techniques provide for accessing an sRGB gamut color table, determining a color conversion matrix based on the sRGB gamut color table and chromaticity values of RGBW primary and gamma stored in the display or associated with the display, applying color space conversion to the pixels for pixels using the color conversion matrix, and applying linear correction of pixels by applying a normalization factor to the color conversion matrix. In addition, some techniques provide analysis of content gamut with respect to display gamut in HSV space, adjustment in HSV space, and conversion back to RGB space before applying color space conversion.

US Patent:

20110181611, Jul 28, 2011

Filed:

Dec 21, 2010

Appl. No.:

12/974135

Inventors:

Yanli Zhang - San Jose CA, US
Akihiro Takagi - San Mateo CA, US
Maximino Vasquez - Fremont CA, US
Yinkui Zhang - Shanghai, CN
Xiaoguo Liang - Shanghai, CN

International Classification:

G09G 5/02

US Classification:

345589

Abstract:

In some embodiments a user interface is adapted to monitor user inputs and one or more controllers are adapted to modify backlight segment brightness and/or image pixel values of a segmented backlight display in response to the monitored user inputs. Other embodiments are described and claimed.

US Patent:

20130113694, May 9, 2013

Filed:

Dec 28, 2012

Appl. No.:

13/729606

Inventors:

Akihiro Takagi - San Mateo CA, US
Cheng-Shih Chin - Campbell CA, US
Yanli Zhang - San Jose CA, US
Maximino Vasquez - Fremont CA, US

International Classification:

G09G 3/36

US Classification:

345 89

Abstract:

In some embodiments, a display device may include a flat panel display a controller coupled to the flat panel display. The controller may be configured to determine an operating mode for the flat panel display among a plurality of operating modes including at least a first operating mode and a second operating mode. In the first operating mode, the controller may set the flat panel display to utilize a first frame rate and a first inversion mode to save power. In the second operating mode, the controller may set the flat panel display to utilize a second frame rate, a second inversion mode, and black frame insertion to improve image quality. The second frame rate may be faster than the first frame rate. The second inversion mode and black frame insertion may be mutually configured to maintain a DC balanced operation of the flat panel display. Other embodiments are disclosed and claimed.