According to an aspect, a view-angle control device includes: a drive layer in which light-transmitting regions and switchable regions are alternately arranged in one direction, each light-transmitting region being configured to transmit light, each switchable region being switchable between a light-transmitting state and a light-blocking state through switching of liquid crystal orientation; and a plurality of optical member layers stacked together with the drive layer. Each optical member layer includes a base member that transmits light and a light-blocking part that is provided at a position overlapping with the switchable region and blocks light. The light-blocking part is disposed on a surface of the base member on a farther side from the drive layer.

A display device includes a first liquid crystal panel configured to display an image to be seen by the observer, and a second liquid crystal panel laid on the first liquid crystal panel. The second liquid crystal panel includes a black matrix defining pixels, opaque gate lines disposed to be distant from one another in a first direction, and opaque data lines disposed to be distant from one another in a second direction different from the first direction. Lines of the black matrix disposed to be distant from one another in the first direction and the gate lines constitute dark lines disposed at a specified pitch in the first direction. Lines of the black matrix disposed to be distant from one another in the second direction and the data lines constitute dark lines disposed at a specified pitch in the second direction.

A thin film transistor, an array substrate and a display device. The thin film transistor includes a gate electrode, a first electrode, and a second electrode on the base substrate. The gate electrode includes a first body portion and a first extension portion extending along the first direction, electrically connected with the first body portion, and spaced apart from the first body portion by a first spacing. The first electrode includes a first overlapping end, an orthographic projection of the first overlapping end on the base substrate at least partially overlaps with an orthographic projection of the first body portion on the base substrate; a first compensation end at a side of the first overlapping end away from the first body portion; and a first intermediate portion connecting the first overlapping end and the first compensation end.

A device is provided. The device includes a first lens assembly controllable to switch between a first plurality of optical powers. The first lens assembly includes a plurality of directly optically coupled lenses, and is configured to converge or diverge a light transmitted therethrough. The device also includes a second lens assembly coupled with the first lens assembly, and controllable to switch between a second plurality of optical powers that are opposite to the first plurality of optical powers.

According to one embodiment, in a display device a first panel includes a first polarizing plate, a second polarizing plate, and a first liquid crystal panel interposed between the first polarizing plate and the second polarizing plate, a second panel includes a third polarizing plate, a fourth polarizing plate, and a second liquid crystal panel interposed between the third polarizing plate and the fourth polarizing plat, and a polarizing plate, which is located second from a surface close to an illumination device and a surface closest to an observer, has an extinction ratio that is lower than that of each of the other polarizing plates.

A liquid crystal display device includes a display region, and includes a first liquid crystal panel including a color filter layer, an illumination device provided on a back face side of the first liquid crystal panel, and a second liquid crystal panel arranged between the first liquid crystal panel and the illumination device and not including a color filter layer. The second liquid crystal panel includes a first dimming region defined by a plurality of pixels arranged in a matrix including a plurality of rows and a plurality of columns and facing the display region, and a second dimming region that is defined by a plurality of additional pixels each including an unshaded opening region, and is located outside the first dimming region.

A display provides increased contrast and resolution via first LCD panel energized to generate an image and a second LCD panel configured to increase contrast of the image. The second panel is an LCD panel without color filters and is configured to increase contrast by decreasing black levels of dark portions of images using polarization rotation and filtration. The second LCD panel may have higher resolution than the first LCD panel. A half wave plate and/or film is placed in between the first and the second panel. The panels may be directly illuminated or edge lit, and may be globally or locally dimmed lights that may also include individual control of color intensities for each image or frame displayed.

A mirror with display device includes a transparent planar material; and a display device. The transparent planar material has a metallic thin film. A light-shielding part is formed in the transparent planar material so that the transparent planar material has a translucent part. A display part of the display device for displaying an image is bonded to the translucent part via an adhesive layer.

Systems and methods are disclosed for adjustable polarization in service-providing terminals. In some embodiments, a system is disclosed that includes a display, an input device, an adjustable polarization screen adjacent to the display, and a polarization adjuster. The system may further include a processor configured to execute instructions to perform operations comprising providing illumination to the adjustable polarization screen through the display, controlling, via the polarization adjuster, a polarization of the adjustable polarization screen to a first polarization, receiving, via the input device, a polarization selection input, and, based on the polarization selection input, adjusting, via the polarization adjuster, the polarization of the adjustable polarization screen from the first polarization to a second polarization.

The present disclosure relates to the field of display technology, and provides a display module and a display device. The display module includes a first display sub-panel, where the first display sub-panel includes: a first display sub-panel including a plurality of first pixel units; and a second display sub-panel arranged at a light-entering side of the first display sub-panel and including a plurality of second pixel units. Each second pixel unit corresponds to at least one first pixel unit, an orthogonal projection of each second pixel unit onto the first display sub-panel coincides with the corresponding first pixel unit, and the second display sub-panel is a vertical-electric-field-type liquid crystal display panel.