Abstract: A vertical channel thin film transistor includes substrate, lower source/drain electrode, spacer layer, upper source/drain electrode covering portion of upper surface of the spacer layer, interlayer insulating pattern covering portion of upper surface of the upper source/drain electrode and upper surface of the spacer layer exposed by the upper source/drain electrode, contact hole disposed on the lower source/drain electrode and passing through the interlayer insulating pattern, the upper source/drain electrode, and the spacer layer, active pattern covering inner wall and bottom surface of the contact hole and extending over upper surface of the upper source/drain electrode and upper surface of the interlayer insulating pattern, gate insulating pattern filling portion of the contact hole and extending along upper surface of the active pattern, and gate electrode filling portion of the contact hole and extending along upper surface of the gate insulating pattern.

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: Provided are a stretchable electronic device and a method for manufacturing the same. The stretchable electronic device includes lines having lower pads, a chip provided on the lower pads and having first upper pads, which are wider than the lower pads, and an adhesive layer provided outside the lower pads or between the lower pads and bonded to the first upper pads.

Abstract: Disclosed are a biometric device and a biometric system including the same. The device includes a hiogenic-synthesized film, a reflective layer disposed on one side of the biogenic-synthesized film, a light source disposed on the reflective layer to generate light, a beam splitter disposed between the light source and the reflective layer to provide the light to the reflective layer and another side of the biogenic-synthesized film, and a light switching layer disposed between the beam splitter and the reflective layer to switch the light provided to the reflective layer.

Abstract: Provided is a stretchable display device. The stretchable display device includes a substrate and a base pattern on the substrate, wherein the base pattern comprises a first portion, a second portion, and a connection portion configured to connect the first portion to the second portion. The stretchable display device includes a lower electrode on the first portion of the base pattern; an upper electrode on the lower electrode, a light emitting structure between the lower electrode and the upper electrode, and a protective layer configured to cover top and side surfaces of the upper electrode, side surfaces of the light emitting structure, a side surface of the lower electrode, and a portion of a side surface of the base pattern. The upper electrode extends to a top surface of the connection portion and a top surface of the second portion of the base pattern, and the first portion and the second portion of the base pattern extend in a first direction parallel to a top surface of the substrate.

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 complex biometric sensor. The complex biometric sensor includes a substrate including a light emitting region, a first light receiving region, and a second light receiving region, a light emitting part disposed adjacent to the substrate in the light emitting region, a color conversion layer disposed on the substrate in the light emitting region and vertically overlapping the light emitting part; a first light receiving layer disposed on the substrate in the first light receiving region, and a second light receiving layer disposed on the substrate in the second light receiving region. The light emitting part generates light of a first wavelength. The color conversion layer receives light of the first wavelength and emits the light of the first wavelength and light of the second wavelength. The first light receiving layer detects the light of the first wavelength. The second light receiving layer detects the light of the second wavelength.

Abstract: Provided is a thin film transistor including a substrate, a first spacer on the substrate, a second spacer on the first spacer, a light shield layer intervened between the first spacer and the second spacer, a semiconductor layer on the second spacer, and a gate electrode on the semiconductor layer, wherein the light shield layer includes a plurality of inclined surfaces against a top surface of the substrate.

Abstract: Provided is a pressure sensitive display device including a sensing substrate, a reaction substrate provided on the sensing substrate, and spacers provided between the sensing substrate and the reaction substrate to space the sensing substrate apart from the reaction substrate. Here, the sensing substrate includes a flexible substrate and a touch electrode provided on one surface of the flexible substrate, which faces the reaction substrate. The reaction substrate includes a transparent substrate, a transparent electrode provided on one surface of the transparent substrate, which faces the sensing substrate, and a light emitting layer disposed on the transparent electrode.

Abstract: Provided is a thin film transistor including a substrate, a first spacer on the substrate, a second spacer on the first spacer, a light shield layer intervened between the first spacer and the second spacer, a semiconductor layer on the second spacer, and a gate electrode on the semiconductor layer, wherein the light shield layer includes a plurality of inclined surfaces against a top surface of the substrate.

Abstract: Provided is a complex biometric sensor. The complex biometric sensor includes a substrate including a light emitting region, a first light receiving region, and a second light receiving region, a light emitting part disposed adjacent to the substrate in the light emitting region, a color conversion layer disposed on the substrate in the light emitting region and vertically overlapping the light emitting part; a first light receiving layer disposed on the substrate in the first light receiving region, and a second light receiving layer disposed on the substrate in the second light receiving region. The light emitting part generates light of a first wavelength. The color conversion layer receives light of the first wavelength and emits the light of the first wavelength and light of the second wavelength. The first light receiving layer detects the light of the first wavelength. The second light receiving layer detects the light of the second wavelength.

Abstract: Provided is an optical fingerprint recognition sensor. The optical fingerprint recognition sensor includes a transparent light emitting unit configured to emit light to a fingerprint, a light receiving unit disposed below the light emitting unit to vertically overlap the light emitting unit and configured to receive light reflected by the fingerprint, and a control unit disposed below the light emitting unit to vertically overlap the light emitting unit and configured to control the light emitting unit and the light receiving unit. The light emitting unit includes an organic layer.

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 fingerprint sensor. The fingerprint sensor according to an embodiment of the inventive concept includes a plurality of transmission lines, a plurality of receive lines, and a sensor array including sensor units connected to the plurality of transmission lines. Each of the sensor units includes a switch transistor having a gate terminal and one terminal, which are commonly connected to a corresponding transmission line of the plurality of transmission lines and a sensor transistor connected between the other end of the switch transistor and a corresponding receive line of the plurality of receive lines. The sensor transistor performs a current suppression on in response to a voltage of a virtual gate that is touched by a fingerprint.

Abstract: Provided is display panel including a substrate including a pixel area and a pad area; and a first conductive line and a second conductive line stacked on the substrate, wherein the first conductive line includes a first part disposed on the pixel area and a second part disposed on the pad area and the second conductive line includes a first part disposed on the pixel area and a second part disposed on the pad area. The first part of the first conductive line and the first part of the second conductive line are parallel to each other and the second part of the first conductive line and the second part of the second conductive line are overlapped vertically.

Abstract: A holographic display apparatus includes a light source unit, a spatial light modulator, and a spatial light modulator control circuit for controlling the spatial light modulator, the spatial light modulator control circuit including a data driving circuit for providing a data voltage to a signal line, a demultiplexer circuit which includes a plurality of switching elements connected to the signal line and sequentially turned on, and transfers the data voltage to a transfer line through a turned-on switching element among the switching elements, and a first element connected between the transfer line and a data line, passing a current flowing from the transfer line to the data line, and blocking a current flowing from the data line to the transfer line.

Abstract: Provided are a p-type oxide semiconductor, a method of forming the p-type oxide semiconductor, and a transistor with the p-type oxide semiconductor. The p-type oxide semiconductor includes an alkali metal and a tin oxide.

Abstract: A display panel includes pixels connected to each of gate lines and data lines. Each of the pixels includes a first transistor connected between a corresponding data line among the data lines and a first node and configured to deliver a data signal of the corresponding data line to the first node in response to an input signal received through a corresponding gate line among the gate lines, a reflective element circuit connected to the first node, and configured to implement the reflective mode in response to a signal of the first node when a first mode selection signal indicates a reflective mode, an emissive element circuit connected to a second node, and configured to implement the emissive mode in response to the signal of the first node when the mode selection mode indicates an emissive mode.

Abstract: Provided is display panel including a substrate including a pixel area and a pad area; and a first conductive line and a second conductive line stacked on the substrate, wherein the first conductive line includes a first part disposed on the pixel area and a second part disposed on the pad area and the second conductive line includes a first part disposed on the pixel area and a second part disposed on the pad area. The first part of the first conductive line and the first part of the second conductive line are parallel to each other and the second part of the first conductive line and the second part of the second conductive line are overlapped vertically.