Canon Kabushiki Kaisha

Masanao Kurita

Masahiro Kamiyoshihara

Yasuo Suda

Atsushi Mizutome

Masayoshi Sekine

Hiroshi Uchiike

Tetsuji Saito

Yasuhiro Matsuura

Hironobu Hoshino

Shinya Oda

Makoto Onogi

Tsuyoshi Oya

Hayato Denda

A print control apparatus that realizes printed matter that appears suitably in a case of observation by reflected light and in a case of observation by transmitted light is disclosed. The print control apparatus, based on data of a source image, generates first print data to be used for printing to a first surface of a recording medium. The print control apparatus also, based on data of the source image, generates second print data that is used for printing to a second surface that is different to the first surface and that represents a higher luminance range, in a luminance range that the data of the source image represents, than a luminance range that the first print data represents.

Print control apparatus and method of controlling the same

An image processing apparatus comprises: a first generation unit that generates approximate light pattern by adjusting spatial frequency of an input image, and generates a projection image data based on the approximate light pattern; and a second generation unit that generates a print image data based on the input image, wherein the second generation unit generates the print image data so that a difference between the input image and an image for observation obtained by superimposing projection light projected based on the projection image data onto a printed matter printed based on the print image data is reduced.

Image processing apparatus and method, image projection apparatus, printing apparatus, and image printing and projection system

A light-emitting apparatus includes: a light-source unit configured to emit light of a first color; a sheet member containing a conversion member configured to emit light of the first color and light of a second color, according to incidence of the light emitted from the light-source unit; a bottom-surface member; a side-surface member; and an upper-surface member, wherein the sheet member emits the light of the second color by a light amount corresponding to a length of a path where the incident light of the first color passes through the sheet member, a space including the light-source unit and the conversion member is formed by the bottom-surface member, the side-surface member, and the upper-surface member, and a first opening connecting an inside and an outside of the space is provided at a position, on the upper-surface member, which does not face the light-source unit.

Light-emitting apparatus and display apparatus

A light source apparatus includes: a light-emitting unit having a plurality of light-emitting diodes having mutually different light emission colors; a setting unit configured to seta drive mode; and a control unit configured to drive the light-emitting unit in such that each of the plurality of light-emitting diodes emits light periodically, by a drive method corresponding to the drive mode set by the setting unit, wherein in a case where the light-emitting unit is lit with a predetermined light emission brightness, in a light-emitting diode from among the plurality of light-emitting diodes, a drive current value during a lighting period is lower and a lighting period during one cycle is longer in a second drive mode than those in a first drive mode.

Light source apparatus, image display apparatus and control method for light source apparatus

A light source apparatus includes: a light-emitting unit having a plurality of light-emitting diodes having mutually different light emission colors; a setting unit configured to set a drive mode; and a control unit configured to drive the light-emitting unit in such that each of the plurality of light-emitting diodes emits light periodically, by a drive method corresponding to the drive mode set by the setting unit, wherein in a case where the light-emitting unit is lit with a predetermined light emission brightness, in a light-emitting diode from among the plurality of light-emitting diodes, a drive current value during a lighting period is lower and a lighting period during one cycle is longer in a second drive mode than those in a first drive mode.

A light-emitting apparatus according to the present invention is a light-emitting apparatus configured to emit light from a light-emitting surface, and includes: a light source configured to emit first light that is ultraviolet light or near-ultraviolet light; a conversion member configured to convert the first light to second light that is white light; and a first filter member configured to reflect the first light and transmit the second light, wherein the light source, the conversion member, and the first filter member are provided in an order of the light source, the conversion member, and the first filter member in a direction from the light source toward the light-emitting surface.

Light-emitting apparatus

Provided is a display apparatus including: a light emitting unit having a light source; a display unit configured to display an image by controlling a transmittance of light from the light emitting unit; first and second sensors provided in the light emitting unit to detect a brightness of the light source; and a control unit configured to control a transmittance of the display unit on the basis of detection values from the first and second sensors. A distance from the light source to the second sensor is longer than a distance from the light source to the first sensor. The control unit controls the transmittance of the display unit on the basis of a change degree of the detection value from the first sensor during a given period and a change degree of the detection value from the second sensor during the period.

Display apparatus and control method thereof

A light source apparatus according to the present invention, includes: a light source substrate on which one or more emission units are located; an optical sheet configured to reflect light from the emission unit; and a detection unit configured to detect reflected light reflected by the optical sheet, wherein the detection unit is located in a position where an amount of change in a detected value due to deflection of the optical sheet when one emission unit is turned ON is a predetermined value or less.

Light source apparatus, method for controlling light source apparatus, and display apparatus

A light source apparatus comprises: a substrate; a light emission unit that is provided on the substrate; a plurality of reflection units configured to reflect light from the light emission unit; and a first detection unit that is provided on the substrate and detects the light from the light emission unit, wherein each of the reflection units has a substantially n-sided pyramid shape and is provided such that a bottom surface thereof is in parallel with the substrate, and the first detection unit is provided between a vertex of an n-sided polygon corresponding to the bottom surface of one of two of the reflection units adjacent to each other and a vertex of an n-sided polygon corresponding to the bottom surface of the other of two of the reflection units adjacent to each other.

Light source apparatus and display apparatus having a plurality of reflection unit each with a substantially N-sided pyramid shape and a detection unit

An image display device including: a light-emitting unit; a display panel including color filters of a plurality of colors and pixels corresponding to the respective color filters; a sensor which detects light from the light-emitting unit and light incident from outside; an acquisition unit configured to acquire, in a state where the display panel is controlled so that, relative to transmittance of pixels of one color among the plurality of colors, transmittance of pixels of colors other than the one color becomes smaller, a detection value that is output from the sensor; and a determination unit configured to determine an irradiation condition of external light based on the detection value of each color of the plurality of colors acquired by the acquisition unit.

Image display device and control method thereof

A light source apparatus according to the present invention, includes a substrate, a plurality of light source units provided on the substrate, a partition wall provided on the substrate and surrounding each of the light source units, and an optical sensor disposed between two or more of the light source units that are adjacent to each other, wherein the number of optical sensors is lower than the number of light source units.

Light source apparatus and display apparatus

A light source apparatus includes: a light-emitting unit which includes a plurality of emission areas emitting light periodically at different phases and in which at least two light sources are disposed in each emission area; a detection unit configured to detect light from the light-emitting unit; and a control unit configured to select the plurality of light sources sequentially and to perform lighting-control of temporarily reducing emission brightness of light sources other than the selected light source, wherein the control unit selects lighting-control target light sources so that lighting-control is sequentially performed on light sources disposed in different emission areas among the plurality of emission areas.

Light source apparatus and method of controlling same

The light source apparatus includes: a light source substrate having a light emission unit; an optical sheet facing the light emission unit; a plurality of detection units configured to detect light; and an adjustment unit configured to adjust light emission brightness of the light emission unit on the basis of detection values of two or more of the detection units, the two or more detection units including the detection unit arranged at a position at which a change in the detection value due to a deflection of the optical sheet is positive when the light emission unit emits the light and the detection unit arranged at a position at which the change in the detection value due to the deflection of the optical sheet is negative when the light emission unit emits the light.

Light source apparatus and method for controlling same

A video display apparatus adapted to be connected to a video playback apparatus having a first frame rate conversion unit configured to convert a frame rate of video data, includes a second frame rate conversion unit configured to convert a frame rate of the video data which is input from the video playback apparatus, and a control unit configured to control and associate operations in the first frame rate conversion unit and the second frame rate conversion unit in response to a request for performing a trick playback of the video data.

Video display apparatus, video playback apparatus and method for controlling the same

The backlight device is configured in a planar geometry by the combination of a plurality of light emitting units. The light guide plate of the light emitting unit has a light guide unit that guides light from the light source and a light emission surface that emits light from the light guide unit. Adjacent light emitting units are arranged to cross to each other and the light emission surface of a light emitting unit overlaps with the light guide unit of another light emitting unit such that the light guide unit of each light guide plate of the light emitting unit does not extend outside the light emission region of the backlight device.

Growing community of inventors

Isehara, Japan

Masanao Kurita