H04N9/312

Display device and method based on discarding bits from a bit sequence

The present disclosure provides a device, in particular a multifocal display device. The device includes: a display element configured to generate an image; and a controller configured to control the display element according to at least a first bit sequence provided over a first determined time period and a second bit sequence provided over a second determined time period, in order to generate the image with one or more colors, the bit sequences including for each color a number of bits of different significance. Moreover, the device is configured to generate the first bit sequence from an original bit sequence based on discarding at least one bit of a color and to generate the second bit sequence from the original bit sequence based on discarding at least one other bit of the color.

Color sequential display
09832437 · 2017-11-28 · ·

Described are improved approaches to implement color sequential displays that can mitigate problems with conventional display technologies. Color-breakup is mitigated by modifying the original color channels and adding one or more additional color channels derived from the original ones.

Optical device and image display apparatus

An optical device includes a movable unit that supports a glass plate, axis portions that swingably support the movable unit around a swing axis, a support unit that supports the axis portions and, a permanent magnet that is provided in the movable unit, and a coil that is disposed to face the permanent magnet, and a coil support unit that is supported by the support unit and supports the coil. A conductive wire is wound around the coil and a drawn wire is drawn from the side of the inner circumference of the coil. The coil support unit includes a through hole overlapping the inner circumference of the coil and the drawn wire is inserted through the through hole.

Image slicing to generate in put frames for a digital micromirror device

Example apparatus described herein include a first circuit configured to slice an input image frame into input image slices, the first circuit including first outputs configured to output the input image slices. Described example apparatus also include digital light processing controllers (DLPCs) including first inputs coupled to the first outputs, the digital light processing controllers configured to process the input image slices to produce output image slices, the digital light processing controllers including second outputs configured to output the output image slices. Described example apparatus further include a second circuit including second inputs coupled to the second outputs, the second circuit configured to combine the output image slices to generate image frame data to provide to an input of a digital micromirror device (DMD).

SPATIAL LIGHT MODULATOR
20220060667 · 2022-02-24 ·

A liquid crystal on silicon spatial light modulator comprising an array of light-modulating pixels and a controller are disclosed. Each light-modulating pixel of the array comprises liquid crystal and is associated with a respective flip-flop. The controller receives a hologram of an image comprising a plurality of hologram pixels. Each hologram pixel comprises a respective n-bit hologram pixel value. The controller drives each light-modulating pixel in accordance with a respective hologram pixel value of the hologram. There is a one-to-n pixel correlation between the hologram and the light-modulating pixels. The flip-flops of each contiguous group of n light-modulating pixels are connected in series to form a shift register. During operation of the shift register, the n-bit hologram pixel value associated with each contiguous group of n light-modulating pixels is provided to each light-modulating pixel one bit at a time over the course of at least n clock cycles.

Magnetic resonance imaging apparatus
09823317 · 2017-11-21 · ·

A magnetic resonance imaging (MRI) apparatus includes a housing which has a bore to which a magnetic field for use in an MRI scan is applied, a moving table on which an inspection target may be placed and that enters the bore of the housing, a projector which projects an image onto an inner wall that forms the bore of the housing, and a controller which controls the projection unit and transmits a video signal to the projector.

DISPLAY CONTROL DEVICE
20170289497 · 2017-10-05 · ·

A display control device includes: a receiver configured to receive an image signal; a measurer configured to measure the number of vertical scanning lines and horizontal scanning time of the image signal; a table generator configured to generate a provisional signal table when data measured by the measurer has not been retained in a previously prepared signal table; a detector configured to detect data for regulating an active display region of an image, from the image signal; and an updater configured to update the provisional signal table, based on a detection result by the detector.

METHODS, SYSTEMS AND APPARATUSES FOR OPTICALLY ADDRESSED IMAGING SYSTEM
20170289506 · 2017-10-05 · ·

Methods, systems and components are disclosed relating to the exclusive optical addressing of information for image display systems.

DISPLAY DEVICE AND CONTROL METHOD FOR DISPLAY DEVICE
20220046211 · 2022-02-10 ·

A display device according to an embodiment include a projecting section, a receiving section configured to receive operation by a permitted operation unit, a mode control section configured to switch a first mode and a second mode in which the operation unit, the operation by which is permitted, is different, an interface section configured to be coupled to external devices, and an identifying section configured to identify an external device to which the interface section is coupled. The mode control section executes the first mode when the interface section is not coupled to a specific external device set in advance and executes the second mode when the interface section is coupled to the specific external device.

OR-FUNCTION ILLUMINATION IN PHASED BITPLANES IN A HIGH DYNAMIC RANGE PROJECTOR
20170251185 · 2017-08-31 ·

OR-function illumination in phased bitplanes in a high dynamic range projector is provided, which can be used to reduce flicker artifacts. The projector comprises: a light source; a premod display; a prime display, the premod display configured to modulate light from the light source to illuminate the prime display; and, a computing device. The computing device drives the prime display according to a phased sequence to transition the prime display from a leading bitplane to a following bitplane. The computing device is further configured to, at least in a time period corresponding to the prime display being driven according to the phased sequence, drive adjacent pixel groups of the premod display according to an OR-function of premod versions of respective portions of each of at least the leading bitplane and the following bitplane.