Provided is a display device or a display system capable of displaying images along a curved surface, a display device or a display system capable of displaying images seamlessly in the form of a ring, or a display device or a display system that is suitable for increasing in size. The display device includes a display panel. The display panel includes a first part and a second part and is flexible. The first part can display images. The second part can transmit visible light. The display panel is curved so that the second part and the first part overlap with each other.

An image display device is a self-luminous type device including a light emitting portion, and a casing portion of a display device unit has a heat dissipating structure portion through which a part of the image display device is exposed for heat dissipation. In manufacturing the display device unit, when performing simple and reliable assembly while securing a high heat dissipation characteristic, for example, by using characteristics of a silicon substrate, high accurate positioning is performed in a display device positioning portion.

An image display device is a self-luminous type device including a light emitting portion, and a casing portion of a display device unit has a heat dissipating structure portion through which a part of the image display device is exposed for heat dissipation. In manufacturing the display device unit, when performing simple and reliable assembly while securing a high heat dissipation characteristic, for example, by using characteristics of a silicon substrate, high accurate positioning is performed in a display device positioning portion.

Methods and apparatus provide for: generating virtual space images by specifying from among a plurality of viewpoint positions and a plurality of directions of line of sight in the virtual space; and displaying the virtual space images on a head-mounted display, where the generating includes changing from a currently selected viewpoint position among the plurality of viewpoint positions to a newly selected viewpoint position among the plurality of viewpoint positions, which is selected in accordance with operation by a user, when generating the virtual space images in response to changing to the newly selected viewpoint position, the generating includes specifying, as a new direction of line of sight among the plurality of directions of line of sight, a direction in which a first position in the virtual space is seen from the newly selected viewpoint position, and at least some of the plurality of viewpoint positions are separated from each other.

Methods and apparatus provide for: generating virtual space images by specifying from among a plurality of viewpoint positions and a plurality of directions of line of sight in the virtual space; and displaying the virtual space images on a head-mounted display, where the generating includes changing from a currently selected viewpoint position among the plurality of viewpoint positions to a newly selected viewpoint position among the plurality of viewpoint positions, which is selected in accordance with operation by a user, when generating the virtual space images in response to changing to the newly selected viewpoint position, the generating includes specifying, as a new direction of line of sight among the plurality of directions of line of sight, a direction in which a first position in the virtual space is seen from the newly selected viewpoint position, and at least some of the plurality of viewpoint positions are separated from each other.

A display apparatus includes: a display panel including: a display area configured to display an image, and a non-display area, at least one first sound generator in the display area, and at least one second sound generator in the non-display area, wherein each of the at least one first sound generator and the at least one second sound generator is configured to vibrate the display panel to generate sound toward a front of the display panel.

An electronic device includes a signal processor, a substrate, and a conductive housing. The signal processor includes an oscillator that outputs oscillation signal. The substrate has a ground component, the signal processor being disposed on the substrate. The conductive housing is connected to a first site of the ground component and to a second site that is different from the first site. The first site and the second site are disposed at positions where a first area of the housing that is an odd-numbered multiple of ¼ wavelength of the oscillation signal away from the first site overlaps at least part of a second area of the housing that is a multiple of ¼ wavelength of the oscillation signal away from the second site.

An audio-visual system may include a housing comprising an open upper end and a storage space, an audio-visual device installed inside the housing and exposable through the open upper end, and a lifting device configured to expose or store the audio-visual device inside the housing through the open upper end. The audio-visual device may include a display, a speaker, and a processor configured to control the audio-visual system to operate in a first mode for outputting media art content while the display is stored in the housing according to a first event, operate in a second mode for outputting audio content through the speaker while part of the display is exposed through the open upper end according to a second event, and operate in a third mode for outputting a visual content while the entire display is exposed through the open upper end according to a third event.

A rollable display device includes a rollable display and a first protection film disposed on a first surface of the rollable display. The first protection film extends beyond a first display edge of the rollable display. The rollable display device further includes a second protection film disposed on a second surface of the rollable display facing the first surface of the rollable display. The second protection film extends beyond the first display edge of the rollable display. The rollable display device additionally includes a first adhesive layer disposed between the rollable display and the first protection film. The rollable display device further includes second adhesive layer disposed between the rollable display and the second protection film, and a first adhesion part disposed adjacent to the first display edge of the rollable display and between the first protection film and the second protection film.

A simulation system includes a processor including hardware. The processor performs: a virtual space setting process of setting a virtual space in which a plurality of objects are arranged; a virtual camera control process of controlling a virtual camera corresponding to a point-of-view of a user wearing a head mounted display; and a display process of generating an image as viewed from the virtual camera in the virtual space as a display image on the head mounted display. In the virtual space setting process, the processor arranges at least one information display object in a line-of-sight direction of the user, and in the display process, when it is determined that a given change condition is satisfied by a change in the point-of-view of the user, the processor performs a change process of a display mode of the information display object.