Japan Display Inc.

Magnolia White Corporation

Tomoyuki Ishihara

Kazuhiko Sako

Tsutomu Harada

Junji Kobashi

Yasuhiko Yamagishi

Tomohide Oohira

Yoshihiro Watanabe

Kazunari Tomizawa

According to an aspect, a detection device includes: a light-transmitting light guide plate that has a first surface on one side in a first direction and on which an object to be detected is to be placed so as to overlap the first surface; an optical sensor that is disposed on the other side in the first direction with respect to the light guide plate so as to overlap the light guide plate and includes photodiodes; a light source that is adjacent to the light guide plate in a second direction intersecting the first direction and is configured to emit light to a side surface of the light guide plate; and an antenna coil overlapping at least one of the light guide plate and the optical sensor as viewed in the first direction. The optical sensor, the light source, and the antenna coil are electrically coupled to a control board.

Detection device

A display device includes: a display panel with pixels; a dimming panel with dimming pixels; and a light source. When a pixel is controlled to be lit in white and a predetermined condition is satisfied, a blurring region is formed, and light from the light source is transmitted through the blurring region and the pixel. When a pixel is controlled to be lit up in white and the predetermined condition is not satisfied, the blurring region is not formed, the dimming pixel overlapping the pixel on a straight line along a direction in which the display panel faces the dimming panel is controlled to transmit light, and light from the light source is transmitted through the dimming pixel and the pixel. The predetermined condition is satisfied when the pixel controlled to be lit in white is at a predetermined distance or farther from an outer edge of a display area.

Display device with display panel, dimming panel, and light source

A display device includes a display panel comprising a display region for displaying an image, a light source device comprising a plurality of light sources configured to emit light toward the display panel, and a drive circuit configured to drive the display panel based on an image signal including information on the image.

Display device and display system with lighting control based on movement

A display apparatus includes a light-emitting element, a first pixel circuit and a second pixel circuit coupled to the light-emitting element, a first drive transistor included in the first pixel circuit and configured to supply a first drive current to the light-emitting element, a second drive transistor included in the second pixel circuit and configured to supply a second drive current to the light-emitting element, and a drive circuit configured to supply a first video signal to the first drive transistor and to supply a second video signal to the second drive transistor. The first drive transistor is supplied with the first video signal and the second drive transistor is supplied with the second video signal in a same writing period.

Display apparatus

To provide a technology capable of improving efficiency in a mounting process of disposing a large number of identical parts such as LED elements on a circuit board. An optical light emitting device includes: packages of a plurality of regular polyhedra each having a light emitting element; and a board having a plurality of mounting holes fitted with three surfaces of the regular polyhedral packages. In the optical light emitting device, the exterior of each of the regular polyhedra in the regular polyhedral packages is comprised of a transparent member. Each of the regular polyhedral packages includes: first electrodes each provided at each top; and second electrodes each provided on a straight line connecting the two tops, each of the first electrodes is connected to one electrode of the light emitting element, and each of the second electrodes is connected to the other electrode of the light emitting element.

Optical light emitting device, manufacturing method thereof, and optical light emitting element

According to an aspect, a display device includes: a display panel having a display area provided with pixels; a dimming panel disposed so as to face the display panel and having a dimming area provided with dimming pixels; and a light source configured to emit light that travels from the dimming panel toward the display panel. When a pixel among the pixels is controlled to be lit up in white, blurring processing is applied so as to cause more than one of the dimming pixels including a dimming pixel overlapping the pixel to transmit light, and light from the light source is transmitted through the blurring area and the pixel. The blurring area is determined based on a positional misalignment with respect to a predetermined positional relation between the display area and the dimming area.

Display device

According to an aspect, a display device includes: a first panel including pixels; a second panel including light control pixels; and a light source. When any of the pixels is controlled to transmit light in accordance with an input image signal, blurring processing is applied, a blurring area is formed, and light from the light source transmits through the blurring area and the pixel controlled to transmit light and is emitted from the first panel. When a straight line connecting a user viewpoint and the pixel controlled to transmit light has an angle relative to a normal to the first panel, a center of the blurring area is at a position shifted to a side opposite to a reference normal side relative to the normal to the first panel passing through a center of the pixel. The reference normal is a normal to the first panel passing through the viewpoint.

According to an aspect, a display device includes a display panel configured to display an image; and a light source configured to emit light to the display panel. The light source includes a first light source configured to emit light in a first primary color, a second light source configured to emit light in a second primary color, and a third light source configured to emit light in a third primary color. A frame period that is a display period of one frame image includes a predetermined number of subframe periods, the predetermined number is four or greater, and color reproduction of the one frame image is performed by a combination of colors that are output in the predetermined number of subframe periods. An output order of colors of the subframe periods is an order of colors in a clockwise direction or in a counterclockwise direction in a hue circle.

According to an aspect, a display device includes: a first panel; a second panel disposed opposing one surface of the first panel; a light source configured to emit light to the other surface of the first panel; and an acquirer configured to acquire user information including information indicating at least one of a position of an eye and a position of a head of a user facing the second panel. The first panel includes light control pixels. The second panel includes pixels. Blurring processing is applied by which the light control pixel positioned around a pixel controlled to transmit light in accordance with an input image signal is caused to transmit light. A blurring area including the light control pixel to which the blurring processing is applied on the first panel corresponds to the position of the eye of the user or the position of the head of the user.

A display device includes: a first panel comprising pixels; and a second panel having a plate surface provided substantially parallel to a plate surface of the first panel. The plate surface of each of the first and second panels includes a curved surface. When the curved surface is a convex portion and two pixels controlled to transmit the light through the first panel are located in the convex portion, a distance between centers of two predetermined regions to which a blurring processing is applied corresponding to the two pixels is set smaller than a distance between the two the pixels. When the curved surface is a concave portion and the two pixels controlled to transmit the light through the first panel are located in the concave portion, the distance between the centers of the two predetermined regions is set larger than the distance between the two the pixels.

A display device incudes: a display panel including a plurality of pixels; and a dimming panel that is disposed between the display panel and a light source of light to be emitted to the display panel and includes a plurality of dimming pixels. When one of the pixels produces an output at highest luminance and the other pixels produce an output at lowest luminance to the display panel, the light is transmitted through a predetermined one of the dimming pixels located on an optical axis of the light that is emitted to the one of the pixels and through the other dimming pixels arranged around the predetermined dimming pixel. A degree of transmission of the light through the other dimming pixels decreases as the light is away along one direction from the predetermined dimming pixel, and there are a plurality of directions having different degrees of the decrease.

According to an aspect, a display device includes: a display panel that has a display area in which a plurality of pixels are arranged; a light source configured to illuminate the display area; a first control circuit configured to receive first signals corresponding to a first partial image to be displayed in a portion of the display area; and a second control circuit configured to receive second signals corresponding to a second partial image to be displayed in another portion of the display area. The light source has a plurality of light-emitting areas in each of which a light emission intensity is individually controllable. The first control circuit is configured to transmit lighting quantity information indicating the light emission intensity of each of the light-emitting areas to the second control circuit.

According to an aspect, a display device includes: a first liquid crystal panel; a second liquid crystal panel; a light source configured to emit light; and a controller configured to control the first liquid crystal panel and the second liquid crystal panel based on an image signal corresponding to a resolution of the second liquid crystal panel. The first liquid crystal panel includes dimming pixels, and the second liquid crystal panel includes pixels. More than one of the pixels is arranged within a region of each of the dimming pixels. The controller performs blurring processing and determination of dimming gradation values as processing related to operation of the second liquid crystal panel. Each of the dimming gradation values corresponds to a highest gradation value set after the blurring processing among gradation values set for the more than one pixel arranged within the region of each of the dimming pixels.

A liquid crystal display device includes: a liquid crystal panel having pixels with a first electrode and a second electrode; a control circuit; and a counter. The number and an arrangement of pixels where a potential of the second electrode is higher than that of the first electrode in a first mode equal the number and an arrangement of pixels where the potential of the first electrode is higher than that of the second electrode in a second mode. The counter increases a count while the panel operates in the first mode, and decreases the count while the panel operates in the second mode. The control circuit operates the panel in the first mode when the count at a determination timing is not greater than a first threshold, and operates the panel in the second mode when the count at the determination timing is not less than a second threshold.

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Tokyo, Japan

Tomoyuki Ishihara