Image processing apparatus, display apparatus, and image displaying system

An image processor for sequentially outputting image signals respectively corresponding to at least two kinds of images, comprising:

• a memory for storing therein image data respectively of the at least two kinds of images inputted thereto;
• a generating unit which generates, on the basis of image data of a first image included in the at least two kinds of images and stored in the memory, image data of a second image having a relationship in which when luminance values of the image data are added to each other for each pixel, resultant image data is image data of an image not having a correlation with the first image;
• a data allocator unit which allocates, as an image signal including a sequence of pulses for displaying an image on a display device of PWM drive scheme which expresses luminance grayscale by subdividing one frame into a plurality of subfields, a sequence of pulses having one and the same pulse width to the image data of the first image and the image data of the second image;
• and
• a shutter control unit which outputs a shutter control signal only during a period in which the image signal corresponding to the first image is outputted.

An image processor for sequentially outputting image signals respectively corresponding to three kinds of images including a first image, a second image, and a third image, comprising:

• a memory for storing therein image data respectively of the three kinds of images inputted thereto, the first image and the second image having a relationship in which when luminance values of image data respectively thereof are added to each other for each pixel, resultant image data is image data of an image not having a correlation with the first image;
• a generating unit which generates, on the basis of the image data of the second image and the image data of the third image which are stored in the memory, image data of a composite image thereof;
• a data allocator unit which allocates, as an image signal including a sequence of pulses for displaying an image on a display device of PWM drive scheme which expresses luminance grayscale by subdividing one frame into a plurality of subfields, a sequence of pulses having a pulse width to the image data of the composite image, the pulse width being equal to a pulse width of the image data of the first image;
• and
• a shutter control unit which outputs a shutter control signal only during a period in which the image signal corresponding to the first image is outputted.

A display device for sequentially displaying at least two kinds of images in a PWM drive scheme which expresses luminance grayscale by subdividing one frame into a plurality of subfields, comprising:

• a memory for storing therein image signals respectively corresponding to the at least two kinds of images inputted thereto, a first image and a second image being included in the at least two kinds of images having a relationship in which when luminance values respectively thereof are added to each other for each pixel, a resultant image is an image not having a correlation with the first image;
• a data allocator unit which allocates, as a sequence of pulses for displaying an image corresponding to the image signal stored in the memory, a sequence of pulses having one and the same pulse width to the image signal corresponding to the first image and the image signal corresponding to the second image;
• and
• a shutter control unit which outputs a shutter control signal only during a period in which the sequence of pulses allocated to the image signal corresponding to the first image is outputted.

A display device for sequentially displaying at least two kinds of images in a PWM drive scheme which expresses luminance grayscale by subdividing one frame into a plurality of subfields, comprising:

• a memory for storing therein image signals respectively corresponding to the at least two kinds of images inputted thereto;
• a generating unit which generates, on the basis of a first image included in the at least two kinds of images and stored in the memory, a second image having a relationship in which when luminance values of the image are added each other for each pixel, a resultant image is an image not having a correlation with the first image;
• a data allocator unit which allocates, as a sequence of pulses for displaying an image, a sequence of pulses having one and the same pulse width to the image signal corresponding to the first image and the image signal corresponding to the second image;
• and
• a shutter control unit which outputs a shutter control signal only during a period in which the sequence of pulses allocated to the image signal corresponding to the first image is outputted.

A display device for sequentially displaying three kinds of images including a first image, a second image, and a third image in a PWM drive scheme which expresses luminance grayscale by subdividing one frame into a plurality of subfields, comprising:

• a memory for storing therein image signals respectively corresponding to the three kinds of images inputted thereto, the first image and the second image having a relationship in which when luminance values thereof are added to each other for each pixel, a resultant image is an image not having a correlation with the first image;
• a generating unit which generates, on the basis of the image signal corresponding to the second image and the image signal corresponding to the third image which are stored in the memory, an image signal of a composite image thereof;
• a data allocator unit which allocates, as a sequence of pulses for displaying an image, a sequence of pulses having a pulse width to the image signal corresponding to the composite image, the pulse width being equal to a pulse width of the image signal corresponding to the first image;
• and
• a shutter control unit which outputs a shutter control signal only during a period in which a sequence of pulses to which the image signal corresponding to the first image is allocated is outputted.

An image processor for sequentially outputting image signals respectively corresponding to at least two kinds of images comprising:

• a memory for storing therein image data respectively of the at least two kinds of images inputted thereto, a first image and a second image being included in the at least the two kinds of images having a relationship in which when luminance values of the image data respectively thereof are added to each other for each pixel, resultant image data is image data of an image not having a correlation with the first image;
• data allocator means for allocating, as an image signal including a sequence of pulses for displaying an image corresponding to image data on a display device of PWM drive scheme which expresses luminance grayscale by subdividing one frame into a plurality of subfields, a sequence of pulses having one and the same pulse width to the image data of the first image and the image data of the second image stored in the memory;
• and
• shutter control means for outputting a shutter control signal only during a period in which the image signal corresponding to the first image is outputted.

An image processor for sequentially outputting image signals respectively corresponding to at least two kinds of images, comprising:

• a memory for storing therein image data respectively of the at least two kinds of images inputted thereto;
• generating means for generating, on the basis of image data of a first image included in the at least two kinds of images and stored in the memory, image data of a second image having a relationship in which when luminance values of the image data are added to each other for each pixel, resultant image data is image data of an image not having a correlation with the first image;
• data allocator means for allocating, as an image signal including a sequence of pulses for displaying an image on a display device of PWM drive scheme which expresses luminance grayscale by subdividing one frame into a plurality of subfields, a sequence of pulses having one and the same pulse width to the image data of the first image and the image data of the second image;
• and
• shutter control means for outputting a shutter control signal only during a period in which the image signal corresponding to the first image is outputted.

An image processor for sequentially outputting image signals respectively corresponding to three kinds of images including a first image, a second image, and a third image, comprising:

• a memory for storing therein image data respectively of the three kinds of images inputted thereto, the first image and the second image having a relationship in which when luminance values of image data respectively thereof are added to each other for each pixel, resultant image data is image data of an image not having a correlation with the first image;
• generating means for generating, on the basis of the image data of the second image and the image data of the third image which are stored in the memory, image data of a composite image thereof;
• data allocator means for allocating, as an image signal including a sequence of pulses for displaying an image on a display device of PWM drive scheme which expresses luminance grayscale by subdividing one frame into a plurality of subfields, a sequence of pulses having a pulse width to the image data of the composite image, the pulse width being equal to a pulse width of the image data of the first image;
• and
• shutter control means for outputting a shutter control signal only during a period in which the image signal corresponding to the first image is outputted.

A display device for sequentially displaying at least two kinds of images in a PWM drive scheme which expresses luminance grayscale by subdividing one frame into a plurality of subfields, comprising:

• a memory for storing therein image signals respectively corresponding to the at least two kinds of images inputted thereto, a first image and a second image being included in the at least two kinds of images having a relationship in which when luminance values respectively thereof are added to each other for each pixel, a resultant image is an image not having a correlation with the first image;
• data allocator means for allocating, as a sequence of pulses for displaying an image corresponding to the image signal stored in the memory, a sequence of pulses having one and the same pulse width to the image signal corresponding to the first image and the image signal corresponding to the second image;
• and
• shutter control means for outputting a shutter control signal only during a period in which the sequence of pulses allocated to the image signal corresponding to the first image is outputted.

A display device for sequentially displaying at least two kinds of images in a PWM drive scheme which expresses luminance grayscale by subdividing one frame into a plurality of subfields, comprising:

• a memory for storing therein image signals respectively corresponding to the at least two kinds of images inputted thereto;
• generating means for generating, on the basis of a first image included in the at least two kinds of images and stored in the memory, a second image having a relationship in which when luminance values of the image are added each other for each pixel, a resultant image is an image not having a correlation with the first image;
• data allocator means for allocating, as a sequence of pulses for displaying an image, a sequence of pulses having one and the same pulse width to the image signal corresponding to the first image and the image signal corresponding to the second image;
• and
• shutter control means for outputting a shutter control signal only during a period in which the sequence of pulses allocated to the image signal corresponding to the first image is outputted.

A display device for sequentially displaying three kinds of images including a first image, a second image, and a third image in a PWM drive scheme which expresses luminance grayscale by subdividing one frame into a plurality of subfields, comprising:

• a memory for storing therein image signals respectively corresponding to the three kinds of images inputted thereto, the first image and the second image having a relationship in which when luminance values thereof are added to each other for each pixel, a resultant image is an image not having a correlation with the first image;
• generating means for generating, on the basis of the image signal corresponding to the second image and the image signal corresponding to the third image which are stored in the memory, an image signal of a composite image thereof;
• data allocator means for allocating, as a sequence of pulses for displaying an image, a sequence of pulses having a pulse width to the image signal corresponding to the composite image, the pulse width being equal to a pulse width of the image signal corresponding to the first image;
• and
• shutter control means for outputting a shutter control signal only during a period in which a sequence of pulses to which the image signal corresponding to the first image is allocated is outputted.