US7019736B2 — Method and apparatus for image display

Claim 1

Independent Claim 99 words

An image display device comprising: a plurality of light sources capable of being independently activated; a controller coupled with the light sources, wherein the controller is configured to modify sequencing of the light sources to display an image based on display conditions; and an image content analyzer configured to determine one or more image content attributes of the image and provide an indication of the content attributes to the controller, so as to enable the controller to modify the sequence of the light sources to adjust gamut of the image based on the one or more image content attributes.

Claim 2

Dependent Claim 99 words

An image display device comprising: a plurality of light sources capable of being independently activated; a controller coupled with the light sources, wherein the controller is configured to modify sequencing of the light sources to display an image based on display conditions; and an image content analyzer configured to determine one or more image content attributes of the image and provide an indication of the content attributes to the controller, so as to enable the controller to modify the sequence of the light sources to adjust gamut of the image based on the one or more image content attributes.

Claim 3

Dependent Claim 20 words

The display device of claim 1 , wherein sequencing of the light sources is further based on a gamut selection.

Claim 4

Dependent Claim 44 words

The display device of claim 2 , wherein the gamut selection includes a range of selectable values such that gamut of the image is modified as a result of varying sequencing of the light sources in response to selection of a specific selectable value.

Claim 5

Dependent Claim 23 words

The display device of claim 3 , wherein the gamut of the image varies linearly in relation with the range of selectable values.

Claim 6

Dependent Claim 71 words

The display device of claim 1 , further comprising an ambient light sensor configured to determine a character of ambient light in an environment in which the display device is operating and provide an indication of the character of ambient light to the controller, so as to enable the controller to further modify sequencing of the light sources to adjust a gamut of the image based on the ambient light character.

Claim 7

Dependent Claim 41 words

The display device of claim 1 , wherein the one or more image content attributes include at least one of a number of unique colors, a frequency of the unique colors, an average pixel intensity, and a frame-to-frame image content change.

Claim 8

Dependent Claim 31 words

The display device of claim 1 , wherein the one or more image content attributes include an image source type and the gamut is set based on the image source type.

Claim 9

Dependent Claim 26 words

The display device of claim 7 , wherein the image source type is at least one of graphics, video, still photos, broadcast television and video games.

Claim 10

Dependent Claim 26 words

The display device of claim 1 , wherein the image content analyzer includes video pipeline hardware configured to determine the one or more image content attributes.

Claim 11

Dependent Claim 66 words

The display device of claim 1 , further comprising a display appearance analyzer configured to determine one or more appearance attributes of the displayed image and provide an indication of the appearance attributes to the controller so as to enable the controller to further modify the sequence of the light sources to adjust a gamut of the image based on the one or more content attributes.

Claim 12

Dependent Claim 27 words

The display device of claim 1 , wherein the plurality of light sources includes a red light source, a green light source and a blue light source.

Claim 13

Dependent Claim 36 words

The display device of claim 11 , wherein the plurality of light sources further includes at least one of a white light source, a cyan light source, a magenta light source and a yellow light source.

Claim 14

Dependent Claim 17 words

The display device of claim 1 , wherein the plurality of light sources are solid-state light sources.

Claim 15

Dependent Claim 15 words

The display device of claim 13 , whereinihe solid-state light sources are light emitting diodes.

Claim 16

Dependent Claim 110 words

An image projector comprising: a plurality of solid-state light sources; a controller coupled with the light sources; an image content analyzer configured to determine at least one image content attribute and coupled with the controller so as to cooperate to dynamically modify sequencing of the light sources to display an image based on the at least one image content attribute, so as to adjust gamut based on the at least one image content attribute; and an optical system optically coupled with the plurality of light sources and coupled with the controller, wherein the optical system is configured to cooperate with the controller and the light sources to display the image.

Claim 17

Dependent Claim 110 words

An image projector comprising: a plurality of solid-state light sources; a controller coupled with the light sources; an image content analyzer configured to determine at least one image content attribute and coupled with the controller so as to cooperate to dynamically modify sequencing of the light sources to display an image based on the at least one image content attribute, so as to adjust gamut based on the at least one image content attribute; and an optical system optically coupled with the plurality of light sources and coupled with the controller, wherein the optical system is configured to cooperate with the controller and the light sources to display the image.

Claim 18

Dependent Claim 16 words

The image projector of claim 15 , wherein the solid-state light sources are light emitting diodes.

Claim 19

Dependent Claim 27 words

The image projector of claim 15 , wherein the solid state light sources include a red light source, a green light source and a blue light source.

Claim 20

Dependent Claim 34 words

The image projector of claim 15 , wherein the optical system includes a spatial light modulator coupled with the controller to synchronize the spatial light modulator with the light sources to display the image.

Claim 21

Dependent Claim 17 words

The image projector of claim 18 , wherein the spatial light modulator is a digital micro-mirror device.

Claim 22

Dependent Claim 67 words

The image projector of claim 15 , which further comprises an ambient light sensor configured to determine an intensity of ambient light in an environment in which the image projector is operating, and to provide an indication of that intensity of ambient light to the controller, so as to enable the controller to further modify the sequence of the light sources based on an ambient light intensity.

Claim 23

Dependent Claim 24 words

The image projector of claim 15 , wherein the image data is modified based on a color matrix prior to the image being displayed.

Claim 24

Dependent Claim 24 words

The image projector of claim 15 , wherein the image data is modified based on an exponential relationship prior to the image being displayed.

Claim 25

Dependent Claim 18 words

The image projector of claim 15 , wherein the controller is one of a microprocessor and a micro-controller.

Claim 26

Independent Claim 81 words

A method of displaying an image in a display device having plural light sources, where the tight sources are capable of being independently activated, the method comprising: receiving image data associated with an image to be displayed; determining one or more image content attributes of the image; and dynamically sequencing the plural light sources to display the image based on the image content attributes, so as to adjust gamut of the image based on the one or more image content attributes.

Claim 27

Independent Claim 81 words

A method of displaying an image in a display device having plural light sources, where the tight sources are capable of being independently activated, the method comprising: receiving image data associated with an image to be displayed; determining one or more image content attributes of the image; and dynamically sequencing the plural light sources to display the image based on the image content attributes, so as to adjust gamut of the image based on the one or more image content attributes.

Claim 28

Dependent Claim 29 words

The method of claim 24 , wherein the method further comprises detecting a gamut setting, so as to adjust a gamut of the image based on the gamut setting.

Claim 29

Dependent Claim 37 words

The method of claim 24 , wherein the method further comprises detecting an ambient light character communicating the ambient light character to a controller; and modifying a gamut of the image based on the ambient light character.

Claim 30

Dependent Claim 18 words

The method of claim 26 , wherein modifying the gamut includes varying a percentage of white frame time.

Claim 31

Dependent Claim 48 words

The method of claim 24 , wherein determining the one or more image content attributes includes determining at least one of a number of unique colors, a frequency of the unique colors, an average pixel intensity, a frame to frame image content change, and an image source type.

Claim 32

Dependent Claim 19 words

The method of claim 28 , wherein sequencing the light sources includes varying a percentage of white frame time.

Claim 33

Dependent Claim 24 words

The method of claim 24 , which further comprises analyzing the displayed image to determine one or more appearance attributes of the displayed image.

Claim 34

Dependent Claim 26 words

The method of claim 24 , wherein dynamically sequencing the light sources includes activating two or more light sources simultaneously during the display of the image.

Claim 35

Dependent Claim 25 words

The method of claim 24 , wherein sequencing the light sources includes repeating a specific sequence of the multiple light sources during a single frame.

Claim 36

Dependent Claim 28 words

The method of claim 24 , further comprising modifying the image data based on at least one of a color matrix, an exponential relationship, and a look-up table.

Claim 37

Dependent Claim 83 words

An article comprising: a storage medium having a plurality of machine-readable instructions, wherein when the instructions are executed, the instructions provide for receiving image data associated with an image to be displayed; determining one or more image content attributes of the image; and dynamically sequencing plural light sources of a display device to display the image, wherein the sequencing is based on the image content attributes, so as to adiust gamut of the image based on the one or more image content attributes.

Claim 38

Dependent Claim 83 words

An article comprising: a storage medium having a plurality of machine-readable instructions, wherein when the instructions are executed, the instructions provide for receiving image data associated with an image to be displayed; determining one or more image content attributes of the image; and dynamically sequencing plural light sources of a display device to display the image, wherein the sequencing is based on the image content attributes, so as to adiust gamut of the image based on the one or more image content attributes.

Claim 39

Dependent Claim 30 words

The article of claim 34 , wherein the instructions further provide for determining a gamut selection setting, so as to adjust a gamut of the image based on the setting.

Claim 40

Dependent Claim 38 words

The article of claim 34 , wherein the instructions further provide for detecting an ambient light character; communicating the ambient light character to a controller; and modifying a gamut of the image based on the ambient light character.

Claim 41

Dependent Claim 25 words

The article of claim 36 , wherein modifying the gamut of the image includes varying a percentage of frame time wherein white light is produced.

Claim 42

Dependent Claim 50 words

The article of claim 34 , wherein determining the one or more image content attributes includes determining at least one of a number of unique colors, a spatial frequency analysis of the unique colors, an average pixel intensity, a frame to frame image content change, and an image source type.

Claim 43

Dependent Claim 27 words

The article of claim 38 , wherein the instructions for sequencing the light sources provide for varying a percentage of frame time wherein white light is produced.

Claim 44

Dependent Claim 26 words

The article of claim 34 , wherein sequencing the multiple light sources includes repeating a specific sequence of the multiple light sources during a single frame.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2009-03-27	2009-09-26	2010-03-28	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2013-03-27	2013-09-26	2014-03-28	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2017-03-27	2017-09-26	2018-03-28	$7700.00	Window Closed / Lapsed

Method and apparatus for image display

Abstract

Inventors

Bibliographic Details

Claims Analysis

References Cited (Backward Citations)

USPTO Annuity & Maintenance Windows

Assigned Categories & Tags

Assign Category Tag