Abstract: Provided are a semiconductor device, a display panel, and a display device including the same. The semiconductor device includes a lower electrode on one side of a substrate, a spacer on another side of the substrate, a middle electrode on the spacer, a lower channel layer on portions of a sidewall of the spacer, the middle electrode, and the lower electrode, a lower gate insulating layer on the lower channel layer, a common gate electrode on the gate insulating layer, an upper gate insulating layer on the common gate electrode, an upper electrode on the spacer and the upper gate insulating layer of the middle electrode, an upper channel layer connected to the upper electrode and disposed on a sidewall of the upper gate insulating layer, and a contact electrode connected to a portion of the upper channel layer and passing through the lower gate insulating layer and the upper gate insulating layer outside the common gate electrode so as to be connected to the lower electrode.

Abstract: Provided are a display device and an augmented reality apparatus including the same. The display device includes a display panel including display blocks and an optics array including pin hole structures that one-to-one correspond to the display blocks. Here, each of the pin hole structures includes a pin hole and a shielding area surrounding the pin hole, and the display blocks are spaced apart from each other in a first direction parallel to a top surface of the display panel and a second direction crossing the first direction and parallel to the top surface of the display panel.

Abstract: Provided are stretchable electronics and a method for manufacturing the same. The stretchable electronics may include a substrate, a plurality of electronic elements disposed to be spaced apart from each other on the substrate, and a wire structure disposed on the substrate to connect the plurality of electronic elements to each other. The wire structure may include an insulator extending from one of the electronic elements to the other of the adjacent electronic elements and a metal wire configured to cover a top surface and side surfaces of the insulator. The insulator may include at least one bent part in a plan view.

Abstract: Provided are a semiconductor device, a display panel, and a display device including the same. The semiconductor device includes a lower electrode on one side of a substrate, a spacer on another side of the substrate, a middle electrode on the spacer, a lower channel layer on portions of a sidewall of the spacer, the middle electrode, and the lower electrode, a lower gate insulating layer on the lower channel layer, a common gate electrode on the gate insulating layer, an upper gate insulating layer on the common gate electrode, an upper electrode on the spacer and the upper gate insulating layer of the middle electrode, an upper channel layer connected to the upper electrode and disposed on a sidewall of the upper gate insulating layer, and a contact electrode connected to a portion of the upper channel layer and passing through the lower gate insulating layer and the upper gate insulating layer outside the common gate electrode so as to be connected to the lower electrode.

Abstract: Provided is an electrochromic display device including: a first substrate; a second substrate on the first substrate; an electrolyte layer disposed between the first substrate and the second substrate; a first transparent electrode provided between the electrolyte layer and the first substrate; second transparent electrodes provided between the electrolyte layer and the second substrate; a first electrochromic layer provided between the first transparent electrode and the electrolyte layer; and a second electrochromic layer provided between the second transparent electrodes and the electrolyte layer, wherein the second transparent electrodes each extend in a first direction and be disposed apart from each other in a second direction perpendicular to the first direction, the second electrochromic layer extends between the second transparent electrodes and contacts a lower surface of the second substrate, the first electrochromic layer includes an inorganic electrochromic material, and the second electrochromic

Abstract: A hologram display device includes a light source unit that emits light, a spatial light modulator that modulates the light emitted from the light source unit, and a random pinhole panel. The random pinhole panel includes a plurality of pinholes of a random position or a random size and is arranged in line with an output part of the spatial light modulator. In the hologram display device and the method of manufacturing the hologram display device, a position and size of a random pinhole on the random pinhole are not limited to inside each pixel of the spatial light modulator.

Abstract: Provided is an electrochromic display device including: a first substrate; a second substrate on the first substrate; an electrolyte layer disposed between the first substrate and the second substrate; a first transparent electrode provided between the electrolyte layer and the first substrate; second transparent electrodes provided between the electrolyte layer and the second substrate; a first electrochromic layer provided between the first transparent electrode and the electrolyte layer; and a second electrochromic layer provided between the second transparent electrodes and the electrolyte layer, wherein the second transparent electrodes each extend in a first direction and be disposed apart from each other in a second direction perpendicular to the first direction, the second electrochromic layer extends between the second transparent electrodes and contacts a lower surface of the second substrate, the first electrochromic layer includes an inorganic electrochromic material, and the second electrochromic

Abstract: Disclosed is an apparatus of analyzing a depth of a holographic image according to the present disclosure, which includes an acquisition unit that acquires a hologram, a restoration unit that restores a three-dimensional holographic image by irradiating the hologram with a light source, an image sensing unit that senses a depth information image of the restored holographic image, and an analysis display unit that analyzes a depth quality of the holographic image, based on the sensed depth information image, and the image sensing unit uses a lensless type of photosensor.

Abstract: Provided is an operation method for a digital hologram implementation device including a backlight and a spatial light modulator, the operation method including setting an initial phase value of an optical signal to a remedy phase, computing a reduced phase based on the remedy phase, correcting the remedy phase based on a difference between the reduced phase and a preset optimized phase, determining whether the corrected remedy phase is a stabilized phase, performing forward propagation on the stabilized phase and an amplitude of the optical signal, correcting the amplitude of the optical signal, performing backward propagation on the corrected amplitude and the stabilized phase, and determining whether a phase derived by the backward propagation is an optimized phase.

Abstract: Disclosed is an apparatus for displaying a hologram including a pixel circuit array including first to nth pixel circuits, a first insulating layer provided on the pixel circuit array, first to nth pixel electrodes provided on the first insulating layer and electrically connected to the first to nth pixel circuits, respectively, a second insulating layer provided on the first insulating layer, first to nth display electrodes provided on the second insulating layer and electrically connected to the first to nth pixel electrodes, respectively, a display panel formed on the first to nth display electrodes, and a common electrode formed on the display panel. The first to nth display electrodes are clustery formed, and an area of the first to nth display electrodes is smaller than an area of the pixel circuit array.

Abstract: Provided are a display device and an augmented reality apparatus including the same. The display device includes a display panel including display blocks and an optics array including pin hole structures that one-to-one correspond to the display blocks. Here, each of the pin hole structures includes a pin hole and a shielding area surrounding the pin hole, and the display blocks are spaced apart from each other in a first direction parallel to a top surface of the display panel and a second direction crossing the first direction and parallel to the top surface of the display panel.

Abstract: Provided are a hologram display device and a method of manufacturing the hologram display device. The hologram display device includes a light source unit that emits light, a spatial light modulator that modulates the light emitted from the light source unit, and a random pinhole panel. The random pinhole panel includes a plurality of pinholes of a random position or a random size and is arranged in line with an output part of the spatial light modulator. In the hologram display device and the method of manufacturing the hologram display device, a position and size of a random pinhole on the random pinhole are not limited to inside each pixel of the spatial light modulator.

Abstract: Provided is a display device. The display device includes first to second gate lines provided on a substrate having first and second pixel areas and extending in a first direction, first to third data lines extending in a second direction perpendicular to the first direction and intersecting the first to second gate lines, and a first reflective electrode provided inside the first pixel area and a second reflective electrode provided inside the second pixel area, from a planar viewpoint, wherein the first to second gate lines and the first to third data lines define the first pixel area and the second pixel area, wherein the first to second gate lines are spaced apart from each other in the second direction, wherein the first to third data lines are spaced apart from each other in the first direction.

Abstract: Provided is an active camouflage device including a reflective layer, a first electrode disposed on the reflective layer, a second electrode facing the first electrode, and an electrolyte provided between the first and second electrodes. The first electrode includes a transparent electrode, and the second electrode includes a metal mesh.

Abstract: A spatial light modulator according to the inventive concept includes a light modulation layer including a plurality of pixels arranged on a plane perpendicular to a first direction, a first lens array including first lenses corresponding one-to-one with the pixels, a second lens array including second lenses corresponding one-to-one with the first lenses, and a spacer layer between the first lens array and the second lens array. Each of the first lenses has a first central axis extending in the first direction and the first central axes of the first lenses meet at different positions for each of the pixels.

Abstract: Provided is a reversible electrochemical mirror including a first substrate and a second substrate, which face each other, a first transparent electrode disposed on the first substrate and facing the second substrate, a second transparent electrode disposed on the second substrate and facing the first transparent electrode, an electrolyte solution interposed between the first transparent electrode and the second transparent electrode, and a counter electrode material layer disposed on the second transparent electrode and contacting the electrolyte solution.

Abstract: An electrochromic mirror includes a first electrode structure, a second electrode structure provided on the first electrode structure, and an electrolyte provided between the first and second electrode structures. Here, the first electrode structure further includes a metal layer, a graphene layer disposed on the metal layer, and an interface part disposed between the metal layer and the graphene layer. The interface part includes a micro/nano-porous polymer material.

Abstract: Provided is a light modulating device including a light modulating unit provided on a substrate, a driving unit electrically connected to the light modulating unit and configured to drive the light modulating unit, and a cover disposed on the light modulating unit and configured to seal the light modulating unit, wherein the light modulating unit comprises an electrochromic device.

Abstract: Provided is a reversible electrochemical mirror including a first substrate and a second substrate, which face each other, a first transparent electrode disposed on the first substrate and facing the second substrate, a second transparent electrode disposed on the second substrate and facing the first transparent electrode, an electrolyte solution interposed between the first transparent electrode and the second transparent electrode, and a counter electrode material layer disposed on the second transparent electrode and contacting the electrolyte solution.

Abstract: Provided is an active camouflage device including a reflective layer, a first electrode disposed on the reflective layer, a second electrode facing the first electrode, and an electrolyte provided between the first and second electrodes. The first electrode includes a transparent electrode, and the second electrode includes a metal mesh.